/* ============================================================
   Just TNPSC Academy — Permanent PYQ Booklet Store
   Complete Design System · Mobile-First · Premium
   ============================================================ */

/* --- Google Fonts Import (Plus Jakarta Sans is loaded in index.html) --- */

/* ── Custom Properties ─────────────────────────────────────── */
:root {
  /* Brand Colors: Deep Violet & Vibrant Pink */
  --primary:        #7c3aed;  /* Deep Violet */
  --primary-hover:  #6d28d9;
  --primary-light:  #f5f3ff;
  --primary-border: #ddd6fe;
  --primary-dark:   #2e1065;  /* Rich Deep Purple/Violet */

  /* Pink Accent */
  --pink:           #ec4899;  /* Vibrant Pink */
  --pink-hover:     #db2777;
  --pink-light:     #fdf2f8;
  --pink-border:    #fbcfe8;

  /* Accent */
  --gold:           #f59e0b;
  --gold-light:     #fef3c7;
  --gold-border:    #fde68a;

  /* Semantic */
  --emerald:        #059669;
  --emerald-hover:  #047857;
  --emerald-light:  #ecfdf5;
  --emerald-border: #a7f3d0;

  --whatsapp:       #25d366;
  --whatsapp-hover: #128c7e;

  --orange:         #ea580c;
  --orange-light:   #fff7ed;
  --orange-border:  #ffedd5;

  --purple:         #7c3aed;
  --purple-light:   #f5f3ff;
  --purple-border:  #ddd6fe;

  /* Neutrals */
  --bg-page:        #fafafd;
  --bg-white:       #ffffff;
  --bg-dark:        #180828;
  --bg-navy:        #2e1065;

  --text-dark:      #180828;
  --text-body:      #334155;
  --text-muted:     #64748b;
  --text-light:     #94a3b8;

  --border:         #e2e8f0;
  --border-light:   #f1f5f9;
  --border-mid:     #cbd5e1;

  /* Spacing */
  --r-sm:   8px;
  --r-md:   12px;
  --r-lg:   16px;
  --r-xl:   24px;
  --r-2xl:  32px;

  /* Shadows */
  --shadow-xs:  0 1px 2px rgba(15,23,42,.04);
  --shadow-sm:  0 1px 4px rgba(15,23,42,.06);
  --shadow-md:  0 4px 16px rgba(15,23,42,.09);
  --shadow-lg:  0 10px 30px rgba(15,23,42,.12);
  --shadow-xl:  0 20px 60px rgba(15,23,42,.16);

  /* Typography */
  --font-sans:    'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono:    ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Layout */
  --container-max: 1200px;
  --section-pad-y: 4rem;
}

/* Skip to content — accessibility */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  font-size: .9rem;
  padding: .65rem 1.25rem;
  border-radius: var(--r-md);
  z-index: 9999;
  transition: top .2s;
  text-decoration: none;
}
.skip-to-content:focus {
  top: 1rem;
}

/* Global focus-visible — keyboard accessibility */
*:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ─────────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  width: 100%;
  overflow-x: hidden;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-page);
  color: var(--text-dark);
  line-height: 1.6;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: var(--font-sans);
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ── Utility ────────────────────────────────────────────────── */
.section-container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--section-pad-y) 1rem;
}

.section-header-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 2rem;
  width: 100%;
}

.section-label-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid var(--primary-border);
  padding: .25rem .75rem;
  border-radius: 99px;
  font-size: .7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .1em;
  margin: 0 auto .75rem auto;
}

.section-label-tag.light {
  background: rgba(255,255,255,.15);
  color: #fff;
  border-color: rgba(255,255,255,.3);
}

.section-h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 900;
  color: var(--text-dark);
  line-height: 1.2;
  letter-spacing: -.03em;
  margin: 0 auto .75rem auto;
  text-align: center;
  width: 100%;
}

.section-h2.light { color: #fff; }

.section-subtext {
  font-size: .95rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 2rem auto;
  text-align: center;
  width: 100%;
}

.section-subtext.light { color: rgba(255,255,255,.75); }

/* ═══════════════════════════════════════════════════════════
   NAVIGATION
═══════════════════════════════════════════════════════════ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  width: 100%;
}

.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: .6rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-logo {
  height: 40px;
  width: auto;
  object-fit: contain;
  border-radius: var(--r-md);
  padding: 4px 10px;
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.nav-links {
  display: none;
  gap: 1.5rem;
  align-items: center;
}

.nav-link {
  font-size: .85rem;
  font-weight: 600;
  color: var(--text-body);
  transition: color .2s;
}

.nav-link:hover { color: var(--pink); }

.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
  color: #fff;
  font-size: .82rem;
  font-weight: 800;
  padding: .5rem 1.15rem;
  border-radius: var(--r-md);
  box-shadow: 0 4px 14px rgba(219,39,119,0.28);
  transition: all .2s ease;
  white-space: nowrap;
  min-height: 40px;
}

.nav-cta-btn:hover {
  background: linear-gradient(135deg, #db2777 0%, #be185d 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(219,39,119,0.38);
}

/* ═══════════════════════════════════════════════════════════
   HERO SECTION (Clean White Background with Pink & Violet Accents)
═══════════════════════════════════════════════════════════ */
.hero-section {
  background: #ffffff;
  padding: 1.15rem 1rem 2.5rem;
  overflow: hidden;
  position: relative;
  border-bottom: 1px solid var(--border);
}

@media (max-width: 768px) {
  .hero-section {
    padding: 0.75rem 0.85rem 2rem;
  }

  .hero-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero-text {
    display: contents;
  }

  .hero-eyebrow { order: 1; margin-bottom: .65rem; }
  .hero-h1 { order: 2; margin-bottom: .75rem; text-align: center; }
  .hero-image-wrap { order: 3; margin-bottom: 1.25rem; width: 100%; max-width: 360px; }
  .hero-subtext, .hero-subtext-card { order: 4; margin-bottom: 1rem; text-align: center; }
  .hero-bullets { order: 5; margin-bottom: 1.25rem; align-items: flex-start; text-align: left; }
  .hero-ctas { order: 6; width: 100%; justify-content: center; margin-top: 0; margin-bottom: 0; }
  .btn-hero-primary, .btn-hero-secondary { width: 100%; justify-content: center; }
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.07) 0%, rgba(124, 58, 237, 0.05) 50%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
}

.hero-text { flex: 1; }

.hero-eyebrow {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .45rem;
  margin-bottom: .85rem;
}

.eyebrow-badge {
  background: #ffffff;
  border: 1.5px solid #fee2e2;
  color: #991b1b;
  font-size: .82rem;
  font-weight: 800;
  padding: .4rem 1.05rem;
  border-radius: 99px;
  letter-spacing: .03em;
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  box-shadow: 0 4px 14px rgba(153, 27, 27, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
}

.latest-edition-badge {
  background: #ecfdf5;
  border: 1.5px solid #a7f3d0;
  color: #047857;
  font-size: .78rem;
  font-weight: 800;
  padding: .35rem .95rem;
  border-radius: 99px;
  letter-spacing: .03em;
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  box-shadow: 0 3px 12px rgba(16, 185, 129, 0.08);
}

.hero-eyebrow-top-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem;
  margin-bottom: .6rem;
}

/* ─── Hero Discount Card (Attached Section Design) ───────── */
.hero-discount-card {
  width: 100%;
  max-width: 580px;
  background: #ffffff;
  border: 1.5px solid #e9d5ff;
  border-radius: 20px;
  padding: 1.15rem;
  margin-top: 0.5rem;
  margin-bottom: 0.85rem;
  box-shadow: 0 10px 30px rgba(124, 58, 237, 0.08), 0 2px 6px rgba(0, 0, 0, 0.03);
  box-sizing: border-box;
}

.hero-disc-card-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-disc-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 0.85rem;
}

.hero-disc-badge-tag {
  background: #fef3c7;
  color: #92400e;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.95rem;
  border-radius: 99px;
  margin-bottom: 0.35rem;
  display: inline-block;
  box-shadow: 0 1px 3px rgba(146, 64, 14, 0.08);
}

.hero-disc-card-title {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 900;
  color: #180828;
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.2;
}

.hero-disc-tiers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  width: 100%;
  margin-bottom: 0.85rem;
}

.hero-disc-tier {
  background: #faf5ff;
  border: 1.5px solid #e9d5ff;
  border-radius: 12px;
  padding: 0.6rem 0.35rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 0.15rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.hero-disc-tier:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.1);
}

.hero-disc-range {
  font-size: 0.72rem;
  font-weight: 700;
  color: #64748b;
  white-space: nowrap;
}

.hero-disc-amount {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 900;
  color: #7c3aed;
  line-height: 1.1;
}

.hero-disc-amount span {
  font-size: 0.7rem;
  font-weight: 800;
}

/* Green Highlighted Tier (Tier 3: ₹1,501 – ₹2,000 15% OFF) */
.hero-disc-tier.tier-active-green {
  background: #ecfdf5;
  border: 1.5px solid #6ee7b7;
  box-shadow: 0 3px 10px rgba(5, 150, 105, 0.12);
}

.hero-disc-tier.tier-active-green .hero-disc-range {
  color: #047857;
}

.hero-disc-tier.tier-active-green .hero-disc-amount {
  color: #059669;
}

/* Bottom Highlight Bar */
.hero-disc-combo-bar {
  width: 100%;
  background: #fef9c3;
  border: 1.5px solid #fde047;
  border-radius: 12px;
  padding: 0.6rem 0.85rem;
  text-align: center;
  color: #713f12;
  font-size: 0.82rem;
  font-weight: 800;
  line-height: 1.4;
  box-sizing: border-box;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.12);
}

.hero-disc-combo-bar strong {
  color: #854d0e;
  font-weight: 900;
}

@media (max-width: 540px) {
  .hero-disc-tiers-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.45rem;
  }
  .hero-disc-card-title {
    font-size: 1.35rem;
  }
  .hero-disc-combo-bar {
    font-size: 0.76rem;
    padding: 0.55rem 0.65rem;
  }
}

.latest-edition-label strong {
  color: #065f46;
  font-weight: 900;
}

.live-glow-dot {
  width: 9px;
  height: 9px;
  background-color: #10b981;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
  box-shadow: 0 0 8px #10b981;
  animation: liveGreenGlow 1.8s infinite ease-in-out;
}

@keyframes liveGreenGlow {
  0% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.8), 0 0 4px rgba(16, 185, 129, 0.8);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 0 7px rgba(16, 185, 129, 0), 0 0 10px rgba(16, 185, 129, 0.5);
    transform: scale(1.15);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0), 0 0 4px rgba(16, 185, 129, 0.8);
    transform: scale(1);
  }
}

.hero-h1 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4.2vw, 2.2rem);
  font-weight: 900;
  color: #2e1065;
  line-height: 1.25;
  letter-spacing: -.02em;
  margin-bottom: 0.85rem;
}

.hero-line {
  display: block;
  white-space: nowrap;
}

.hero-line-3 {
  font-size: calc(1em - 8px);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 2px;
}

.hero-h1-highlight {
  color: var(--pink);
  display: inline;
}

.hero-subtext-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 245, 255, 0.95) 100%);
  border: 1px solid #ede9fe;
  border-left: 4px solid var(--primary, #7c3aed);
  border-radius: 16px;
  padding: 1.25rem 1.35rem;
  margin-bottom: 1.35rem;
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.06), 0 1px 3px rgba(0, 0, 0, 0.03);
  max-width: 580px;
  width: 100%;
  box-sizing: border-box;
  transition: all .25s ease;
}

.hero-subtext-card:hover {
  box-shadow: 0 12px 30px rgba(124, 58, 237, 0.1);
  border-color: #ddd6fe;
}

.hero-sub-header {
  font-family: var(--font-sans);
  font-size: 1.08rem;
  font-weight: 800;
  color: #1e1b4b;
  line-height: 1.4;
  margin-bottom: .75rem;
}

.hero-sub-badges {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: .55rem;
  margin-bottom: .75rem;
}

.hero-sub-pill {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-size: .83rem;
  font-weight: 700;
  padding: .35rem .8rem;
  border-radius: 99px;
  line-height: 1.4;
  box-sizing: border-box;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
  transition: transform .15s ease;
}

.hero-sub-pill:hover {
  transform: translateY(-1px);
}

.hero-sub-pill.purple {
  background: #f3e8ff;
  border: 1px solid #e9d5ff;
  color: #6d28d9;
}

.hero-sub-pill.green {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #047857;
}

.sub-pill-icon {
  font-size: .9rem;
  flex-shrink: 0;
}

.hero-sub-desc {
  color: #475569;
  font-size: .9rem;
  line-height: 1.55;
  margin: 0;
  font-weight: 500;
}

.hero-bullets {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  margin-bottom: 1.85rem;
}

.hero-bullet {
  display: flex;
  align-items: center;
  gap: .65rem;
  color: #1e1b4b;
  font-size: .95rem;
  font-weight: 600;
}

.bullet-icon {
  font-size: 1.05rem;
  flex-shrink: 0;
  color: var(--pink);
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
  margin-top: 1rem;
  margin-bottom: 1.35rem;
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
  color: #fff;
  font-size: 1rem;
  font-weight: 800;
  padding: .85rem 1.75rem;
  border-radius: var(--r-lg);
  box-shadow: 0 8px 24px rgba(219, 39, 119, 0.32);
  transition: all .25s ease;
  white-space: nowrap;
  min-height: 48px;
}

.btn-hero-primary:hover {
  background: linear-gradient(135deg, #db2777 0%, #be185d 100%);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(219, 39, 119, 0.42);
}

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  background: #f5f3ff;
  border: 1.5px solid #ddd6fe;
  color: #2e1065;
  font-size: .92rem;
  font-weight: 800;
  padding: .85rem 1.5rem;
  border-radius: var(--r-lg);
  transition: all .2s ease;
  min-height: 48px;
}

.btn-hero-secondary:hover {
  background: #ede9fe;
  border-color: #7c3aed;
  color: #180828;
  transform: translateY(-1px);
}


.hero-combo-highlight {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
  background: #f3e8ff;
  border: 1.5px solid #e9d5ff;
  border-radius: var(--r-md);
  padding: .65rem 1.1rem;
}

.combo-tag {
  background: var(--pink);
  color: #fff;
  font-size: .68rem;
  font-weight: 900;
  padding: .2rem .6rem;
  border-radius: 99px;
  letter-spacing: .05em;
  white-space: nowrap;
}

.combo-text {
  color: #4c1d95;
  font-size: .92rem;
  font-weight: 700;
}

.combo-text strong { color: #2e1065; font-weight: 900; }
.combo-text del { color: #8b5cf6; opacity: .75; }

/* Hero 3D Booklet Showcase & Discount Card Container */
.hero-image-wrap {
  position: relative;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.15rem;
}

.hero-slider-box {
  position: relative;
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--r-2xl);
  overflow: hidden;
  background: transparent;
  box-shadow: 0 16px 44px rgba(76, 29, 149, 0.14);
  touch-action: pan-y;
}

.hero-slides-track {
  display: flex;
  width: 100%;
  height: 100%;
  will-change: transform;
  transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

.hero-slide {
  min-width: 100%;
  width: 100%;
  height: 100%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-2xl);
  overflow: hidden;
}

.hero-book-img {
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  border-radius: var(--r-2xl);
}

.hero-slide-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(226, 232, 240, 0.8);
  color: var(--text-dark);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.12);
  backdrop-filter: blur(8px);
  transition: all 0.2s ease;
  user-select: none;
  opacity: 0.85;
}

.hero-slide-nav:hover {
  background: #ffffff;
  color: var(--primary);
  opacity: 1;
  transform: translateY(-50%) scale(1.1);
}

.hero-nav-prev { left: 10px; }
.hero-nav-next { right: 10px; }

.hero-slide-badge {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  background: rgba(24, 8, 40, 0.78);
  color: #ffffff;
  padding: 0.25rem 0.75rem;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  pointer-events: none;
}

.hero-float-badge {
  position: absolute;
  background: #ffffff;
  border: 1px solid #f3e8ff;
  border-radius: var(--r-lg);
  padding: .6rem 1rem;
  box-shadow: 0 10px 30px rgba(76, 29, 149, 0.12);
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: floatBadge 3.2s ease-in-out infinite;
}

.hero-float-1 { top: 12%; left: -10%; animation-delay: 0s; }
.hero-float-2 { bottom: 18%; right: -8%; animation-delay: 1.5s; }

@keyframes floatBadge {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

.float-num {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
}

.float-label {
  font-size: .65rem;
  font-weight: 700;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ═══════════════════════════════════════════════════════════
   TRUST BAR
═══════════════════════════════════════════════════════════ */
.trust-bar {
  background: var(--bg-white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: .85rem 1rem;
  width: 100%;
}

.trust-bar-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  flex-wrap: wrap;
}

.trust-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  font-size: .83rem;
  font-weight: 600;
  color: #334155;
  background: #f8f5ff;
  border: 1px solid rgba(124, 58, 237, 0.16);
  border-radius: 9999px;
  padding: .45rem 1rem;
  box-shadow: 0 2px 6px rgba(124, 58, 237, 0.04);
  transition: all .2s ease;
  white-space: nowrap;
}

.trust-item:hover {
  background: #f3e8ff;
  border-color: rgba(124, 58, 237, 0.3);
  transform: translateY(-1px);
}

.trust-item strong {
  color: #6d28d9;
  font-weight: 800;
}

.trust-icon { font-size: 1.05rem; }

/* Mobile 2x2 Grid Layout for Trust Bar */
@media (max-width: 768px) {
  .trust-bar {
    padding: .65rem .75rem;
  }

  .trust-bar-inner {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: .5rem;
    width: 100%;
    max-width: 100%;
  }

  .trust-item {
    width: 100%;
    padding: .45rem .35rem;
    font-size: .76rem;
    gap: .3rem;
    border-radius: 12px;
    box-sizing: border-box;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .trust-icon {
    font-size: .95rem;
    flex-shrink: 0;
  }

  .trust-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

/* ═══════════════════════════════════════════════════════════
   WHY SECTION
═══════════════════════════════════════════════════════════ */
.why-section {
  background: var(--bg-white);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.why-card {
  background: var(--bg-page);
  border: 1.5px solid var(--border);
  border-radius: var(--r-xl);
  padding: 1.25rem;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}

.why-card:hover {
  border-color: var(--primary-border);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.why-icon {
  font-size: 1.75rem;
  margin-bottom: .65rem;
}

.why-card-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: .35rem;
}

.why-card-text {
  font-size: .875rem;
  color: var(--text-body);
  line-height: 1.6;
}

.why-reviews-wrap {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px dashed var(--border);
}

.why-reviews-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-dark);
  text-align: center;
  margin-bottom: 1.25rem;
}

/* ═══════════════════════════════════════════════════════════
   INCLUDED SECTION
═══════════════════════════════════════════════════════════ */
.included-section {
  background: linear-gradient(180deg, var(--bg-page) 0%, #eef2ff 100%);
}

.included-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: .85rem;
  margin-bottom: 2rem;
}

.included-card {
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--r-xl);
  padding: 1.15rem;
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  transition: box-shadow .2s, transform .2s;
}

.included-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.included-card.featured {
  border-color: var(--emerald-border);
  background: var(--emerald-light);
}

.included-icon {
  font-size: 1.75rem;
  flex-shrink: 0;
  line-height: 1;
  margin-top: .1rem;
}

.included-title {
  font-size: .95rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: .2rem;
}

.included-sub {
  font-size: .8rem;
  color: var(--text-body);
  line-height: 1.5;
  margin-bottom: .45rem;
}

.badge-free-lrg {
  display: inline-block;
  background: var(--emerald);
  color: #fff;
  font-size: .65rem;
  font-weight: 900;
  padding: .15rem .55rem;
  border-radius: 99px;
  letter-spacing: .05em;
}

.included-student-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

@media (min-width: 640px) {
  .included-student-wrap {
    grid-template-columns: repeat(2, 1fr);
  }
}

.student-img {
  width: 100%;
  height: auto;
  max-height: none;
  border-radius: var(--r-xl);
  object-fit: contain;
  box-shadow: var(--shadow-lg);
}

/* ═══════════════════════════════════════════════════════════
   BOOKLETS SHOWCASE SECTION
═══════════════════════════════════════════════════════════ */
.booklets-section {
  background: var(--bg-white);
}

.product-showcase-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.15rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 640px) {
  .product-showcase-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .product-showcase-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.35rem;
  }
}

/* Product Showcase Card */
.showcase-card {
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  display: flex;
  box-shadow: var(--shadow-sm);
  transition: border-color .25s, box-shadow .25s, transform .25s;
  cursor: pointer;
  position: relative;
}

.showcase-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.showcase-card-img-wrap {
  width: 145px;
  min-width: 145px;
  flex-shrink: 0;
  padding: .75rem;
  background: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 1px solid var(--border);
}

.showcase-card-img {
  width: auto;
  max-width: 100%;
  max-height: 160px;
  object-fit: contain;
  display: block;
  border-radius: var(--r-sm);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.14);
  transition: transform .3s ease;
}

.showcase-card:hover .showcase-card-img {
  transform: scale(1.05);
}

.showcase-card-body {
  padding: 1rem 1.15rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: .6rem;
  min-width: 0;
}

.showcase-badges {
  display: flex;
  gap: .4rem;
  flex-wrap: wrap;
  align-items: center;
}

.sc-num-badge {
  background: var(--pink-light);
  color: var(--pink);
  border: 1px solid var(--pink-border);
  font-size: .68rem;
  font-weight: 900;
  padding: .15rem .45rem;
  border-radius: 6px;
}

.sc-unit-badge {
  background: var(--primary-light);
  color: var(--primary-dark);
  border: 1px solid var(--primary-border);
  font-size: .68rem;
  font-weight: 800;
  padding: .15rem .45rem;
  border-radius: 6px;
  text-transform: uppercase;
}

.sc-pyq-count {
  background: var(--emerald-light);
  color: var(--emerald);
  border: 1px solid var(--emerald-border);
  font-size: .68rem;
  font-weight: 800;
  padding: .15rem .45rem;
  border-radius: 6px;
}

.showcase-title-group {
  display: flex;
  flex-direction: column;
  gap: .2rem;
}

.showcase-name-en {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.25;
}

.showcase-name-ta {
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-muted);
  line-height: 1.3;
}

.showcase-features {
  display: flex;
  gap: .4rem;
  flex-wrap: wrap;
}

.sc-feat {
  font-size: .68rem;
  font-weight: 700;
  color: var(--text-body);
  background: var(--bg-page);
  border: 1px solid var(--border-mid);
  padding: .18rem .5rem;
  border-radius: 6px;
}

.showcase-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  margin-top: .3rem;
  padding-top: .6rem;
  border-top: 1px dashed var(--border);
}

.showcase-price-tag {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--primary-dark);
}

.btn-showcase-add {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  background: var(--pink-light);
  color: var(--pink);
  border: 1.5px solid var(--pink-border);
  font-size: .78rem;
  font-weight: 800;
  padding: .45rem .85rem;
  border-radius: var(--r-md);
  transition: all .2s;
  cursor: pointer;
  white-space: nowrap;
  min-height: 38px;
}

.showcase-card:hover .btn-showcase-add {
  background: var(--pink);
  color: #fff;
  border-color: var(--pink);
}

/* Combo Banner */
.combo-banner-box {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  border-radius: var(--r-2xl);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 1.25rem;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
  margin: 0 auto;
  max-width: 100%;
}

.combo-banner-box::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  background: rgba(255,255,255,.06);
  border-radius: 50%;
  pointer-events: none;
}

.combo-banner-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 100%;
}

.combo-banner-tag {
  display: inline-block;
  background: var(--gold);
  color: #78350f;
  font-size: .7rem;
  font-weight: 900;
  padding: .3rem .85rem;
  border-radius: 99px;
  letter-spacing: .08em;
  margin: 0 auto .6rem auto;
}

.combo-banner-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  margin-bottom: .4rem;
  text-align: center;
}

.combo-banner-sub {
  color: rgba(255,255,255,.8);
  font-size: .9rem;
  margin-bottom: .85rem;
  text-align: center;
  max-width: 540px;
}

.combo-banner-includes {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: .5rem .85rem;
  margin: 0 auto;
}

.combo-banner-includes span {
  color: rgba(255,255,255,.95);
  font-size: .82rem;
  font-weight: 600;
  background: rgba(255,255,255,0.08);
  padding: 0.25rem 0.65rem;
  border-radius: var(--r-md);
}

.combo-title-badge {
  display: inline-block;
  background: var(--gold);
  color: #78350f;
  font-size: .75rem;
  font-weight: 900;
  padding: .2rem .65rem;
  border-radius: 99px;
  vertical-align: middle;
  margin-left: .35rem;
  letter-spacing: .03em;
}

.combo-banner-right {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: .35rem;
  width: 100%;
}

.combo-off-badge {
  display: inline-block;
  background: #ef4444;
  color: #ffffff;
  font-size: .85rem;
  font-weight: 900;
  padding: .25rem .85rem;
  border-radius: 99px;
  letter-spacing: .06em;
  box-shadow: 0 4px 14px rgba(239, 68, 68, 0.45);
  margin: 0 auto .25rem auto;
}

.combo-price-del {
  color: rgba(255,255,255,.6);
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
}

.combo-price-main {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 900;
  color: #fff;
  line-height: 1;
  text-align: center;
}

.combo-save-tag {
  display: inline-block;
  background: var(--gold);
  color: #78350f;
  font-size: .75rem;
  font-weight: 900;
  padding: .25rem .75rem;
  border-radius: 99px;
  margin: 0 auto .6rem auto;
  letter-spacing: .03em;
}

.btn-combo-order {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
  color: #fff;
  font-size: .95rem;
  font-weight: 800;
  padding: .8rem 1.5rem;
  border-radius: var(--r-lg);
  box-shadow: 0 6px 20px rgba(219,39,119,0.35);
  transition: all .25s ease;
  white-space: normal;
  text-align: center;
  min-height: 46px;
  width: 100%;
  max-width: 440px;
  margin: .4rem auto 0 auto;
}

.btn-combo-order:hover {
  background: linear-gradient(135deg, #db2777 0%, #be185d 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(219,39,119,0.45);
}

/* ═══════════════════════════════════════════════════════════
   SAMPLES SECTION
═══════════════════════════════════════════════════════════ */
.samples-section {
  background: var(--bg-page);
  overflow: hidden;
}

.samples-scroll-track {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: .75rem;
  scrollbar-width: none;
  -ms-overflow-style: none;
  margin-bottom: 1.25rem;
}

.samples-scroll-track::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

.samples-scroll-inner {
  display: flex;
  gap: 1rem;
  padding: .5rem .25rem;
  width: max-content;
  transition: transform .3s ease;
}

.sample-card {
  width: 260px;
  min-width: 260px;
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--border);
  background: var(--bg-white);
  transition: box-shadow .25s, transform .25s, border-color .25s;
  flex-shrink: 0;
}

.sample-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-6px) scale(1.02);
  border-color: var(--primary-border);
}

.sample-img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  transition: transform .3s;
}

.sample-card:hover .sample-img {
  transform: scale(1.04);
}

.samples-nav {
  display: flex;
  gap: .65rem;
  justify-content: center;
  margin-top: .5rem;
}

.sample-nav-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--bg-white);
  border: 1.5px solid var(--border-mid);
  color: var(--text-dark);
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s, border-color .2s, transform .15s;
}

.sample-nav-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  transform: scale(1.08);
}

/* ═══════════════════════════════════════════════════════════
   REVIEWS SECTION
═══════════════════════════════════════════════════════════ */
.reviews-section {
  background: var(--bg-white);
  scroll-margin-top: 75px;
}

.reviews-summary-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 2rem;
  width: 100%;
}

.rating-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  background: #fffbeb;
  border: 1.5px solid rgba(245, 158, 11, 0.35);
  border-radius: 9999px;
  padding: .55rem 1.4rem;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.08);
  transition: all .2s ease;
}

.rating-badge-pill:hover {
  border-color: rgba(245, 158, 11, 0.5);
  transform: translateY(-1px);
}

.rating-stars-gold {
  color: #f59e0b;
  font-size: 1.15rem;
  letter-spacing: .12em;
}

.rating-badge-text {
  font-size: .88rem;
  color: #78350f;
  font-weight: 600;
}

.rating-badge-text strong {
  color: #92400e;
  font-weight: 800;
}

.reviews-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.review-card {
  background: var(--bg-page);
  border: 1.5px solid var(--border);
  border-radius: var(--r-xl);
  padding: 1.15rem;
  transition: box-shadow .2s, transform .2s;
}

.review-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.review-header {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: .85rem;
}

.reviewer-avatar {
  width: 42px;
  height: 42px;
  min-width: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.reviewer-info { flex: 1; min-width: 0; }

.reviewer-name {
  font-size: .9rem;
  font-weight: 800;
  color: var(--text-dark);
}

.reviewer-detail {
  font-size: .72rem;
  color: var(--text-muted);
  font-weight: 500;
}

.review-stars {
  color: #f59e0b;
  font-size: .95rem;
  flex-shrink: 0;
}

.review-screenshot-wrap {
  border-radius: var(--r-md);
  overflow: hidden;
  margin-bottom: .85rem;
  border: 1px solid var(--border);
  background: #fff;
}

.review-screenshot {
  width: 100%;
  height: auto;
  aspect-ratio: 600 / 1200;
  display: block;
}

.review-text {
  font-size: .85rem;
  color: var(--text-body);
  line-height: 1.6;
  font-style: italic;
}

/* ═══════════════════════════════════════════════════════════
   HOW TO ORDER
═══════════════════════════════════════════════════════════ */
.how-section {
  background: linear-gradient(180deg, var(--bg-page) 0%, var(--primary-light) 100%);
}

.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  align-items: center;
}

.step-arrow {
  display: none;
  font-size: 1.5rem;
  color: var(--primary-border);
  text-align: center;
  font-weight: 900;
}

.step-card {
  background: var(--bg-white);
  border: 2px solid var(--border);
  border-radius: var(--r-xl);
  padding: 1.5rem;
  text-align: center;
  transition: border-color .2s, box-shadow .2s, transform .2s;
  position: relative;
}

.step-card:hover {
  border-color: var(--primary-border);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.step-number {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 28px;
  background: var(--primary);
  color: #fff;
  font-size: .8rem;
  font-weight: 900;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-icon {
  font-size: 2.25rem;
  margin-bottom: .75rem;
}

.step-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: .5rem;
}

.step-text {
  font-size: .85rem;
  color: var(--text-body);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════
   DELIVERY SECTION
═══════════════════════════════════════════════════════════ */
.delivery-section {
  background: var(--bg-white);
}

.delivery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.delivery-card {
  background: var(--bg-page);
  border: 1.5px solid var(--border);
  border-radius: var(--r-xl);
  padding: 1.5rem;
  transition: box-shadow .2s, transform .2s;
}

.delivery-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.delivery-icon {
  font-size: 2rem;
  margin-bottom: .75rem;
}

.delivery-card-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: .85rem;
}

.delivery-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  margin-bottom: .85rem;
}

.delivery-list li {
  font-size: .88rem;
  color: var(--text-body);
}

.delivery-note {
  font-size: .8rem;
  color: var(--text-muted);
  line-height: 1.55;
  background: var(--primary-light);
  border-radius: var(--r-sm);
  padding: .6rem .75rem;
  border-left: 3px solid var(--primary);
}

.address-format-box {
  background: var(--gold-light);
  border: 1.5px solid var(--gold-border);
  border-radius: var(--r-md);
  padding: 1rem;
}

.address-format-title {
  font-size: .85rem;
  font-weight: 800;
  color: #78350f;
  margin-bottom: .65rem;
}

.address-format-lines {
  display: flex;
  flex-direction: column;
  gap: .35rem;
}

.address-format-lines span {
  font-size: .82rem;
  color: #92400e;
  font-weight: 600;
  padding-left: .5rem;
  border-left: 2px solid var(--gold-border);
}

/* Payment proof */
.payment-proof-wrap {
  background: var(--bg-page);
  border: 1.5px solid var(--border);
  border-radius: var(--r-xl);
  padding: 1.25rem;
}

.payment-proof-label {
  font-size: .85rem;
  font-weight: 700;
  color: var(--text-body);
  margin-bottom: 1rem;
}

.payment-screenshots-row {
  display: flex;
  gap: .85rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: .5rem;
  scrollbar-width: thin;
}

.payment-ss {
  width: 160px;
  min-width: 160px;
  height: 280px;
  object-fit: cover;
  object-position: top;
  border-radius: var(--r-lg);
  border: 1.5px solid var(--border);
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
  transition: transform .2s, box-shadow .2s;
}

.payment-ss:hover {
  transform: scale(1.04);
  box-shadow: var(--shadow-md);
}

/* ═══════════════════════════════════════════════════════════
   FAQ SECTION
═══════════════════════════════════════════════════════════ */
.faq-section {
  background: var(--bg-page);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: .65rem;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.faq-item {
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  transition: border-color .2s;
}

.faq-item.open {
  border-color: var(--primary-border);
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 1.1rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: .9rem;
  font-weight: 700;
  color: var(--text-dark);
  cursor: pointer;
  transition: background .15s;
}

.faq-question:hover { background: var(--primary-light); }

.faq-item.open .faq-question { background: var(--primary-light); color: var(--primary); }

.faq-arrow {
  font-size: 1rem;
  font-weight: 900;
  flex-shrink: 0;
  transition: transform .3s;
  color: var(--primary);
}

.faq-item.open .faq-arrow { transform: rotate(180deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .3s;
}

.faq-item.open .faq-answer {
  max-height: 600px;
}

.faq-answer p {
  padding: 0 1.25rem 1.1rem;
  font-size: .875rem;
  color: var(--text-body);
  line-height: 1.7;
}

/* FAQ Discount slab list */
.faq-discount-list {
  list-style: none;
  padding: 0 1.25rem 0.75rem 1.5rem;
  margin: 0;
}
.faq-discount-list li {
  position: relative;
  padding: 0.3rem 0 0.3rem 1.25rem;
  font-size: .875rem;
  color: var(--text-body);
  line-height: 1.6;
}
.faq-discount-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}
.faq-combo-line {
  padding: 0.5rem 1.25rem 1.1rem !important;
  border-top: 1px solid rgba(255,255,255,0.07);
  margin-top: 0.25rem;
}

/* ═══════════════════════════════════════════════════════════
   CALCULATOR SECTION  ← EXISTING SYSTEM — STYLES UPDATED
═══════════════════════════════════════════════════════════ */
.calculator-section {
  background: linear-gradient(135deg, var(--bg-navy) 0%, #1e3a6e 50%, var(--primary) 100%);
  padding: 0 0 2rem;
  scroll-margin-top: 75px;
}

.calc-section-header {
  padding: 3rem 1rem 2rem;
  text-align: center;
  max-width: var(--container-max);
  margin: 0 auto;
}

.calc-steps-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
}

.calc-step {
  display: flex;
  align-items: center;
  gap: .4rem;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 99px;
  padding: .3rem .8rem;
}

.cstep-num {
  background: var(--gold);
  color: #78350f;
  font-size: .65rem;
  font-weight: 900;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cstep-txt {
  font-size: .72rem;
  font-weight: 700;
  color: rgba(255,255,255,.9);
  white-space: nowrap;
}

.cstep-arrow {
  color: rgba(255,255,255,.35);
  font-size: .9rem;
  font-weight: 900;
}

/* Calculator Layout */
.calc-main {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1rem;
}

.landing-layout {
  display: flex;
  flex-direction: column;
  gap: 0;
  width: 100%;
}

.selection-column {
  width: 100%;
  padding: .75rem 0;
  display: flex;
  flex-direction: column;
  gap: .85rem;
}

.invoice-column {
  width: 100%;
  padding: .75rem 0;
  display: flex;
  flex-direction: column;
}

/* ── Promo Banner (inside calculator) ── */
.promo-banner {
  background: #ffffff;
  border: 2px solid var(--border-mid);
  border-radius: var(--r-xl);
  padding: 1rem;
  box-shadow: var(--shadow-md);
}

.promo-header {
  text-align: center;
  margin-bottom: .85rem;
}

.promo-tag {
  display: inline-block;
  padding: .2rem .7rem;
  background: #ffedd5;
  color: #9a3412;
  font-size: .65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .1em;
  border-radius: 99px;
  margin-bottom: .2rem;
}

.promo-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: -.03em;
  color: var(--text-dark);
}

.promo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .5rem;
}

.promo-tier {
  padding: .6rem .3rem;
  border-radius: var(--r-md);
  border: 2px solid transparent;
  text-align: center;
  transition: all .25s ease;
}

.promo-tier:hover { transform: translateY(-2px); }

.promo-tier.active-tier {
  transform: scale(1.04);
  box-shadow: 0 4px 14px rgba(37,99,235,.25);
  border-width: 3px;
}

.tier-range {
  font-size: .6rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: .15rem;
}

.tier-discount {
  font-size: 1.35rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.04em;
}

.tier-discount span {
  font-size: .7rem;
  margin-left: 2px;
}

.tier-5  { background: var(--primary-light); border-color: var(--primary-border); }
.tier-5  .tier-discount { color: var(--primary); }
.tier-5.active-tier  { border-color: var(--primary); }

.tier-10 { background: var(--primary-light); border-color: var(--primary-border); }
.tier-10 .tier-discount { color: var(--primary); }
.tier-10.active-tier { border-color: var(--primary); }

.tier-15 { background: var(--emerald-light); border-color: var(--emerald-border); }
.tier-15 .tier-discount { color: var(--emerald); }
.tier-15.active-tier { border-color: var(--emerald); }

.tier-20 { background: var(--purple-light);  border-color: var(--purple-border); }
.tier-20 .tier-discount { color: var(--purple); }
.tier-20.active-tier { border-color: var(--purple); }

.combo-hero-pill {
  margin-top: .85rem;
  background: #fef3c7;
  border: 1px solid #fde68a;
  color: #92400e;
  padding: .55rem .75rem;
  border-radius: var(--r-md);
  font-size: .78rem;
  text-align: center;
  font-weight: 600;
  line-height: 1.4;
}

/* ── Section Header (inside calculator) ── */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: .5rem;
  width: 100%;
}

.section-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: #ffffff;
}

.section-subtitle {
  font-size: .75rem;
  color: rgba(255,255,255,.7);
}

.btn-select-all {
  font-size: .78rem;
  font-weight: 700;
  color: var(--primary);
  background: #fff;
  border: 1.5px solid var(--primary-border);
  padding: .4rem .9rem;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: all .2s;
  white-space: nowrap;
  min-height: 38px;
}

.btn-select-all:hover {
  background: var(--primary-light);
}

/* ── Subject Cards Grid ── */
.subjects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: .75rem;
  width: 100%;
}

.subject-card {
  display: flex;
  align-items: flex-start;
  gap: .65rem;
  padding: .85rem;
  background: var(--bg-white);
  border: 2px solid var(--border-mid);
  border-radius: var(--r-xl);
  cursor: pointer;
  pointer-events: auto;
  box-shadow: var(--shadow-sm);
  transition: border-color .2s, box-shadow .2s, background .2s, transform .15s;
  user-select: none;
  width: 100%;
  touch-action: manipulation;
  -webkit-tap-highlight-color: rgba(37,99,235,.1);
  position: relative;
  overflow: visible;
}

.subject-card * { pointer-events: none; }

.subject-card:hover {
  border-color: #93c5fd;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.subject-card.selected {
  background: var(--primary-light);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-border), var(--shadow-md);
  transform: translateY(-2px);
}

.checkbox-custom {
  width: 1.4rem;
  height: 1.4rem;
  min-width: 1.4rem;
  border: 2px solid #cbd5e1;
  border-radius: 6px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: .15rem;
  transition: all .15s;
  pointer-events: none;
}

.subject-card.selected .checkbox-custom {
  border-color: var(--primary);
  background: var(--primary);
}

.checkmark {
  color: #fff;
  font-size: .9rem;
  font-weight: 900;
  line-height: 1;
  display: none;
  user-select: none;
}

.subject-card.selected .checkmark { display: block; }

.subject-thumb-box {
  width: 80px;
  min-width: 80px;
  aspect-ratio: 4/3;
  border-radius: var(--r-sm);
  overflow: hidden;
  background: #fff;
  border: 1.5px solid var(--border);
  box-shadow: 0 2px 6px rgba(15,23,42,.08);
  flex-shrink: 0;
  pointer-events: none;
}

.subject-card.selected .subject-thumb-box { border-color: #93c5fd; }

.subject-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
}

.subject-details {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: .12rem;
}

.subject-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .35rem;
  flex-wrap: wrap;
  margin-bottom: .1rem;
}

.subject-badges {
  display: flex;
  align-items: center;
  gap: .3rem;
  flex-wrap: wrap;
}

.subject-num-badge {
  font-size: .7rem;
  font-weight: 900;
  color: var(--pink);
  background: var(--pink-light);
  border: 1px solid var(--pink-border);
  padding: .12rem .4rem;
  border-radius: 5px;
  line-height: 1;
  white-space: nowrap;
}

.subject-unit-badge {
  font-size: .7rem;
  font-weight: 800;
  color: var(--primary-dark);
  background: var(--primary-light);
  border: 1px solid var(--primary-border);
  padding: .12rem .4rem;
  border-radius: 5px;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
}

.subject-price-tag {
  font-family: var(--font-mono);
  font-weight: 900;
  font-size: 1.18rem;
  color: var(--primary-dark);
  flex-shrink: 0;
  white-space: nowrap;
  margin-left: auto;
  line-height: 1.1;
  letter-spacing: -.02em;
}

.subject-name-en {
  font-weight: 800;
  font-size: .9rem;
  color: var(--text-dark);
  line-height: 1.3;
  word-break: break-word;
}

.subject-name-ta {
  font-size: .78rem;
  font-weight: 600;
  color: var(--text-body);
  line-height: 1.3;
  word-break: break-word;
}

/* ── Combo Nudge ── */
.combo-nudge {
  padding: .85rem 1rem;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--r-xl);
  display: flex;
  align-items: center;
  gap: .65rem;
  backdrop-filter: blur(6px);
}

.combo-icon {
  width: 2rem;
  height: 2rem;
  min-width: 2rem;
  border-radius: 50%;
  background: var(--gold);
  color: #78350f;
  font-weight: 900;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.combo-text h3 {
  font-weight: 800;
  color: #ffffff;
  font-size: .88rem;
}

.combo-text p {
  font-size: .8rem;
  color: rgba(255,255,255,.95);
  margin-top: .15rem;
  line-height: 1.4;
}

.combo-text strong,
.combo-nudge strong,
.combo-banner-box strong {
  color: #fbbf24 !important;
  font-weight: 900;
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.combo-hero-pill strong {
  color: #78350f !important;
  font-weight: 800;
  text-shadow: none;
}

.combo-hero-pill del {
  color: #b45309;
  opacity: 0.85;
}

/* ── Invoice Card ── */
.invoice-card {
  background: var(--bg-white);
  border-radius: var(--r-xl);
  padding: 1.25rem;
  box-shadow: var(--shadow-xl);
  border-top: 6px solid var(--primary);
}

.invoice-card-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  border-bottom: 1px solid var(--border);
  padding-bottom: .85rem;
  margin-bottom: .85rem;
  gap: .3rem;
}

.invoice-brand-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .3rem;
}

.invoice-logo {
  height: 48px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  border-radius: var(--r-md);
  padding: 5px 12px;
  background: #ffffff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.invoice-brand-sub {
  font-size: .72rem;
  font-weight: 700;
  color: var(--text-muted);
}

.invoice-meta-center {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  flex-wrap: wrap;
  margin-top: .1rem;
}

.invoice-datetime {
  font-size: .72rem;
  color: var(--text-muted);
  font-weight: 600;
}

.invoice-id-badge {
  background: var(--primary-light);
  color: var(--primary);
  padding: .12rem .45rem;
  border-radius: 99px;
  font-size: .7rem;
  font-weight: 700;
  border: 1px solid var(--primary-border);
}

/* Invoice Table */
.invoice-table-wrapper {
  overflow-x: auto;
  margin-bottom: 1rem;
}

.invoice-table {
  width: 100%;
  border-collapse: collapse;
}

.invoice-table th {
  padding: .45rem .3rem;
  font-size: .65rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
  border-bottom: 2px solid var(--border);
}

.invoice-table td {
  padding: .5rem .3rem;
  border-bottom: 1px solid var(--border-light);
  vertical-align: top;
}

.col-num {
  width: 1.5rem;
  color: var(--text-muted);
  font-weight: 700;
  font-size: .75rem;
}

.col-name { font-size: .8rem; font-weight: 700; color: var(--text-dark); }

.inv-item-cell {
  display: flex;
  align-items: center;
  gap: .4rem;
}

.inv-thumb-img {
  width: 30px;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: 4px;
  flex-shrink: 0;
  border: 1px solid var(--border);
}

.inv-item-text {
  display: flex;
  flex-direction: column;
  gap: .03rem;
}

.inv-unit-code {
  font-size: .6rem;
  font-weight: 800;
  color: #9a3412;
  text-transform: uppercase;
}

.inv-name-en {
  font-weight: 700;
  font-size: .78rem;
  color: var(--text-dark);
  line-height: 1.2;
}

.inv-name-ta {
  font-size: .68rem;
  font-weight: 600;
  color: var(--text-muted);
  line-height: 1.2;
}

.col-price {
  text-align: right;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: .8rem;
  color: var(--text-dark);
  white-space: nowrap;
}

.empty-row td {
  text-align: center;
  color: var(--text-light);
  padding: 2.5rem 1rem;
  font-weight: 500;
  font-size: .85rem;
}

/* Coupon Box */
.coupon-box {
  background: var(--primary-light);
  border: 1px solid var(--primary-border);
  border-radius: var(--r-md);
  padding: .75rem;
  margin-bottom: 1rem;
}

.coupon-input-group {
  display: flex;
  gap: .4rem;
}

.coupon-input {
  flex: 1;
  padding: .45rem .65rem;
  border: 1.5px solid var(--primary-border);
  border-radius: var(--r-sm);
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  outline: none;
  background: #fff;
  font-family: var(--font-sans);
  min-width: 0;
  transition: border-color .2s;
}

.coupon-input:focus { border-color: var(--primary); }

.btn-apply {
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  font-size: .8rem;
  border: none;
  padding: .45rem .85rem;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: background .2s;
  white-space: nowrap;
  min-height: 38px;
  font-family: var(--font-sans);
}

.btn-apply:hover { background: var(--primary-hover); }

.coupon-error-msg {
  color: #dc2626;
  font-size: .7rem;
  font-weight: 700;
  margin-top: .3rem;
}

.offer-applied-banner {
  background: var(--emerald-light);
  border: 1px solid var(--emerald-border);
  border-radius: var(--r-sm);
  padding: .5rem .75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: .35rem;
}

.offer-applied-left {
  display: flex;
  align-items: center;
  gap: .4rem;
}

.badge-success {
  background: #a7f3d0;
  color: #065f46;
  padding: .12rem .4rem;
  border-radius: 4px;
  font-size: .6rem;
  font-weight: 800;
}

.btn-remove-offer {
  background: none;
  border: none;
  color: var(--emerald);
  font-size: .72rem;
  font-weight: 700;
  text-decoration: underline;
  cursor: pointer;
  font-family: var(--font-sans);
}

/* Invoice Totals */
.invoice-totals {
  padding-top: .85rem;
  border-top: 2px solid var(--border);
}

.invoice-totals-box {
  display: flex;
  flex-direction: column;
  gap: .55rem;
}

.invoice-total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .82rem;
  color: var(--text-muted);
}

.invoice-total-row.total-price-row {
  font-size: .95rem;
  font-weight: 800;
  color: var(--text-dark);
}

.invoice-total-row.total-price-row #inv-total-cost {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--text-dark);
}

.invoice-total-row.discount-row {
  color: var(--emerald);
  font-weight: 700;
}

#inv-discount-amount {
  font-family: var(--font-mono);
  font-weight: 800;
  color: var(--emerald);
}

.delivery-benefits-box {
  background: var(--emerald-light);
  border: 1px dashed var(--emerald-border);
  border-radius: var(--r-sm);
  padding: .55rem .75rem;
}

.delivery-benefit-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .75rem;
  font-weight: 700;
  color: #047857;
  padding: .1rem 0;
}

.badge-free {
  background: #a7f3d0;
  color: #065f46;
  font-size: .6rem;
  font-weight: 900;
  padding: .08rem .3rem;
  border-radius: 4px;
}

.invoice-final-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: .85rem;
  border-top: 2px solid var(--border);
  margin-top: .25rem;
}

.invoice-final-label {
  font-size: .95rem;
  font-weight: 800;
  color: var(--text-dark);
}

.invoice-final-amount {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--primary);
}

.invoice-saved-tag {
  display: flex;
  justify-content: flex-end;
  margin-top: .35rem;
}

.invoice-saved-badge {
  background: var(--emerald-light);
  color: var(--emerald);
  font-size: .7rem;
  font-weight: 800;
  padding: .2rem .65rem;
  border-radius: 99px;
  border: 1px solid var(--emerald-border);
}

.invoice-payment-banner {
  margin-top: 1.25rem;
  padding-top: .85rem;
  border-top: 2px dashed var(--border);
}

.payment-box-inner {
  background: var(--bg-page);
  padding: .75rem;
  border-radius: var(--r-md);
  text-align: center;
}

.payment-instructions-text {
  font-size: .82rem;
  font-weight: 700;
  color: var(--text-body);
  line-height: 1.4;
}

/* ── Action Buttons ── */
.invoice-actions-footer {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  margin-top: 1rem;
}

.btn-whatsapp {
  width: 100%;
  background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
  color: #fff;
  font-weight: 900;
  font-size: .95rem;
  padding: .9rem;
  border: none;
  border-radius: var(--r-lg);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  box-shadow: 0 6px 20px rgba(219,39,119,0.35);
  transition: all .25s ease;
  cursor: pointer;
  min-height: 52px;
  font-family: var(--font-sans);
  letter-spacing: .02em;
}

.btn-whatsapp:hover {
  background: linear-gradient(135deg, #db2777 0%, #be185d 100%);
  box-shadow: 0 8px 26px rgba(219,39,119,0.45);
  transform: translateY(-2px);
}

.btn-whatsapp:active { transform: scale(.98); }

.btn-secondary {
  background: rgba(255,255,255,.12);
  border: 1.5px solid rgba(255,255,255,.25);
  color: rgba(255,255,255,.9);
  font-weight: 700;
  font-size: .82rem;
  padding: .65rem;
  border-radius: var(--r-lg);
  cursor: pointer;
  transition: background .2s, border-color .2s;
  width: 100%;
  text-align: center;
  min-height: 44px;
  font-family: var(--font-sans);
}

.btn-secondary:hover {
  background: rgba(255,255,255,.22);
  border-color: rgba(255,255,255,.4);
}

/* ── Mobile Sticky Bar ── */
@media (max-width: 767.98px) {
  body {
    padding-bottom: 125px;
  }
}

.mobile-sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #ffffff;
  border-top: 2px solid var(--primary-border);
  padding: .55rem .85rem calc(.55rem + env(safe-area-inset-bottom, 0px));
  z-index: 1000;
  box-shadow: 0 -8px 30px rgba(15,23,42,.18);
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.mobile-sticky-offer-row {
  width: 100%;
  display: flex;
}

.btn-sticky-offer {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  padding: .45rem .75rem;
  font-size: .8rem;
  font-weight: 800;
  font-family: var(--font-sans);
  border-radius: var(--r-md);
  border: 1.5px dashed #8b5cf6;
  background: #f5f3ff;
  color: #6d28d9;
  cursor: pointer;
  transition: all .2s ease;
  box-shadow: 0 2px 8px rgba(139,92,246,0.12);
  min-height: 38px;
}

.btn-sticky-offer:hover {
  background: #ede9fe;
  border-color: #7c3aed;
  color: #5b21b6;
}

.btn-sticky-offer:active {
  transform: scale(.98);
}

.btn-sticky-offer.applied {
  background: #ecfdf5;
  border: 1.5px solid #10b981;
  color: #047857;
  box-shadow: 0 2px 8px rgba(16,185,129,0.15);
}

.btn-sticky-offer.combo-applied {
  background: #fffbeb;
  border: 1.5px solid #f59e0b;
  color: #b45309;
  box-shadow: 0 2px 8px rgba(245,158,11,0.15);
}

.mobile-sticky-main-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  width: 100%;
}

.mobile-sticky-info { display: flex; flex-direction: column; flex-shrink: 0; }

.mobile-sticky-label {
  font-size: .6rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
}

.mobile-sticky-price-row {
  display: flex;
  align-items: center;
  gap: .4rem;
}

.mobile-sticky-price {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--primary-dark);
}

.btn-mobile-whatsapp {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
  color: #fff;
  font-weight: 900;
  font-size: .88rem;
  padding: .65rem .75rem;
  border: none;
  border-radius: var(--r-md);
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(219,39,119,0.32);
  white-space: nowrap;
  min-height: 46px;
  font-family: var(--font-sans);
  transition: all .2s ease;
  box-sizing: border-box;
}

.btn-mobile-whatsapp:hover {
  background: linear-gradient(135deg, #db2777 0%, #be185d 100%);
}
.btn-mobile-whatsapp:active { transform: scale(.98); }

/* ═══════════════════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════════════════ */
.site-footer {
  background: var(--bg-dark);
  color: #94a3b8;
  padding: 0;
}

.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 2.5rem 1rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.footer-logo {
  height: 40px;
  width: auto;
  object-fit: contain;
  border-radius: var(--r-md);
  padding: 4px 10px;
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  margin-bottom: .65rem;
}

.footer-tagline {
  font-size: .82rem;
  line-height: 1.6;
  color: #64748b;
}

.footer-col-title {
  font-size: .72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: #475569;
  margin-bottom: .75rem;
}

.footer-links-col {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

.footer-link {
  font-size: .85rem;
  color: #94a3b8;
  font-weight: 500;
  transition: color .2s;
}

.footer-link:hover { color: var(--pink); }

.footer-courier-badge {
  margin-top: .65rem;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--r-sm);
  padding: .4rem .65rem;
  font-size: .75rem;
  color: #64748b;
}

.footer-bottom {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1rem;
  border-top: 1px solid rgba(255,255,255,.07);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: .35rem .75rem;
  font-size: .78rem;
  color: #475569;
  text-align: center;
}

.footer-sep { color: #334155; }

.footer-website-yellow,
.footer-bottom .footer-website-yellow,
.footer-link .footer-website-yellow {
  color: #facc15 !important;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color .2s ease;
}

.footer-link:hover .footer-website-yellow {
  color: #fef08a !important;
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE — MOBILE (max-width: 767px) — HERO CENTER ALIGN
═══════════════════════════════════════════════════════════ */
@media (max-width: 767px) {
  .hero-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero-text {
    display: contents;
  }

  .hero-eyebrow {
    order: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin-bottom: .65rem;
    gap: .4rem;
  }

  .hero-eyebrow-top-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: .4rem;
    margin-bottom: .3rem;
  }

  .hero-discount-banners {
    justify-content: center;
    gap: .28rem;
  }

  .hero-disc-pill {
    font-size: .68rem;
    padding: .22rem .55rem;
  }

  .disc-max { font-size: .72rem; }

  .eyebrow-badge, .latest-edition-badge {
    margin: 0 auto;
  }

  .hero-h1 {
    order: 2;
    text-align: center;
    margin-bottom: .75rem;
  }

  .hero-image-wrap {
    order: 3;
    margin-bottom: 1.25rem;
    width: 100%;
    max-width: 360px;
  }

  .hero-subtext-card {
    order: 4;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 1.15rem;
    padding: 1rem 1rem;
  }

  .hero-sub-header {
    text-align: center;
    font-size: .98rem;
  }

  .hero-sub-badges {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    gap: .5rem;
  }

  .hero-sub-pill {
    width: fit-content;
    max-width: 100%;
    justify-content: center;
    margin: 0 auto;
    font-size: .82rem;
    padding: .35rem .75rem;
    text-align: center;
  }

  .hero-sub-desc {
    text-align: center;
    font-size: .85rem;
  }

  .hero-bullets {
    order: 5;
    align-items: flex-start;
    width: fit-content;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 1.25rem;
  }

  .hero-bullet {
    justify-content: flex-start;
    text-align: left;
  }

  .hero-ctas {
    order: 6;
    justify-content: center;
    width: 100%;
    margin-top: 0;
    margin-bottom: 0;
  }
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE — TABLETS (640px+)
═══════════════════════════════════════════════════════════ */
@media (min-width: 640px) {
  :root { --section-pad-y: 5rem; }

  .why-grid        { grid-template-columns: repeat(2, 1fr); }
  .included-grid   { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid    { grid-template-columns: repeat(2, 1fr); }
  .delivery-grid   { grid-template-columns: repeat(2, 1fr); }
  .footer-inner    { grid-template-columns: repeat(2, 1fr); }

  .product-showcase-grid { grid-template-columns: repeat(2, 1fr); }

  .promo-grid { grid-template-columns: repeat(4, 1fr); gap: .75rem; }

  .subjects-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-h1 { font-size: 2.5rem; }

  .included-student-wrap {
    flex-direction: row;
    gap: 1.25rem;
  }

  .student-img { max-height: none; height: auto; }

  .steps-grid { grid-template-columns: 1fr auto 1fr auto 1fr; }
  .step-arrow { display: block; }

  .combo-banner-box {
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2.5rem 2rem;
  }
  .combo-banner-right {
    align-items: center;
    text-align: center;
  }
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE — LARGE TABLETS (768px+)
═══════════════════════════════════════════════════════════ */
@media (min-width: 768px) {
  .nav-links { display: flex; }

  .hero-inner {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
    width: 100%;
  }

  .hero-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    flex: 1;
    max-width: 600px;
  }

  .hero-eyebrow,
  .hero-h1,
  .hero-subtext-card,
  .hero-bullets,
  .hero-ctas,
  .hero-image-wrap {
    order: initial;
  }

  .hero-eyebrow    { text-align: left; align-items: flex-start; }
  .hero-eyebrow-top-row { justify-content: flex-start; }
  .hero-discount-banners { justify-content: flex-start; }
  .hero-h1         { text-align: left; }
  .hero-subtext    { text-align: left; margin-left: 0; margin-right: 0; }
  .hero-bullets    { align-items: flex-start; width: 100%; margin-left: 0; margin-right: 0; }
  .hero-image-wrap { width: 440px; max-width: 440px; flex-shrink: 0; margin-bottom: 0; }
  .hero-ctas       { justify-content: flex-start; width: 100%; margin-top: 1.25rem; margin-bottom: 0; }

  .why-grid { grid-template-columns: repeat(3, 1fr); }

  .reviews-grid { grid-template-columns: repeat(2, 1fr); }

  .delivery-grid { grid-template-columns: repeat(3, 1fr); }

  .payment-ss { width: 180px; min-width: 180px; height: 320px; }
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE — DESKTOP (1024px+)
═══════════════════════════════════════════════════════════ */
@media (min-width: 1024px) {
  :root { --section-pad-y: 6rem; }

  .main-content { padding-bottom: 2rem; }

  .landing-layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .selection-column {
    width: 55%;
    padding: 1rem 0;
  }

  .invoice-column {
    width: 45%;
    padding: 1rem 0;
    position: sticky;
    top: 100px;
    align-self: flex-start;
  }

  .mobile-sticky-bar { display: none !important; }

  .reviews-grid { grid-template-columns: repeat(3, 1fr); }

  .footer-inner { grid-template-columns: 2fr 1fr 1fr; }

  .product-showcase-grid { grid-template-columns: repeat(2, 1fr); }

  .showcase-card-img-wrap { width: 160px; min-width: 160px; }

  .subjects-grid { grid-template-columns: 1fr; }
}

@media (max-width: 1023px) {
  body {
    padding-bottom: 76px;
  }
}

@media (max-width: 500px) {
  .hero-float-1 { top: 4%; left: 0; }
  .hero-float-2 { bottom: 4%; right: 0; }
  .hero-h1 { font-size: 1.85rem; }
  .section-h2 { font-size: 1.45rem; }
  .showcase-card {
    flex-direction: column;
  }
  .showcase-card-img-wrap {
    width: 100%;
    min-width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 1rem;
  }
  .showcase-card-img {
    max-height: 140px;
  }
}

/* ═══════════════════════════════════════════════════════════
   SMALL PHONES (max 360px)
═══════════════════════════════════════════════════════════ */
@media (max-width: 360px) {
  .nav-cta-btn { padding: .35rem .65rem; font-size: .72rem; }
  .hero-h1     { font-size: 1.65rem; }
  .subject-thumb-box { width: 64px; min-width: 64px; }
  .showcase-card-img-wrap { width: 100%; min-width: 100%; }
  .btn-mobile-whatsapp { font-size: .8rem; padding: .6rem .5rem; }
}

/* Heavy below-fold sections — paint performance */
.samples-section,
.reviews-section,
.delivery-section {
  content-visibility: auto;
  contain-intrinsic-size: 1px 600px;
}

/* ═══════════════════════════════════════════════════════════
   ANIMATIONS & MICRO-INTERACTIONS
═══════════════════════════════════════════════════════════ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-20px); }
  to   { opacity: 1; transform: translateX(0); }
}

.hero-text   { animation: slideInLeft .7s ease forwards; }
.hero-image-wrap { animation: fadeInUp .8s ease .2s both; }

/* Scroll-triggered fade-in */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .55s ease, transform .55s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Smooth anchor scroll offset for sticky nav */
:target::before {
  content: '';
  display: block;
  height: 80px;
  margin-top: -80px;
  pointer-events: none;
}

/* ═══════════════════════════════════════════════════════════
   SAMPLE PDF SECTION (SWIPE GALLERY)
═══════════════════════════════════════════════════════════ */
.sample-pdf-section {
  padding: 4rem 1rem;
  background: linear-gradient(135deg, #180828 0%, #2e1065 50%, #1e0b36 100%);
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(236, 72, 153, 0.25);
  border-bottom: 1px solid rgba(124, 58, 237, 0.2);
}

.sample-pdf-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 140%;
  height: 200%;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.14) 0%, rgba(124, 58, 237, 0.06) 50%, transparent 70%);
  pointer-events: none;
}

.sample-pdf-container {
  max-width: 960px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.sample-pdf-header {
  text-align: center;
  margin-bottom: 2rem;
}

.sample-pdf-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.22) 0%, rgba(124, 58, 237, 0.22) 100%);
  border: 1px solid rgba(236, 72, 153, 0.45);
  border-radius: 999px;
  color: #fbcfe8;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.sample-pdf-title {
  font-size: clamp(1.65rem, 4vw, 2.25rem);
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.75rem;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.sample-pdf-subtitle {
  font-size: clamp(0.95rem, 2vw, 1.08rem);
  color: #cbd5e1;
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.6;
}

.sample-pdf-subtitle strong {
  color: #f472b6;
  font-weight: 600;
}

/* Gallery Card Wrapper */
.sample-gallery-card {
  background: rgba(24, 9, 42, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(236, 72, 153, 0.35);
  border-radius: var(--r-xl, 16px);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.55), 0 0 35px rgba(236, 72, 153, 0.18);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.sample-gallery-card:hover {
  border-color: rgba(236, 72, 153, 0.55);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.65), 0 0 45px rgba(236, 72, 153, 0.25);
}

/* Topbar */
.gallery-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.25rem;
  background: rgba(14, 5, 26, 0.75);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.gallery-counter {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: #cbd5e1;
}

.gallery-counter strong {
  color: #f472b6;
  font-size: 1rem;
}

.btn-gallery-pdf {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.9rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--r-md, 8px);
  color: #f1f5f9 !important;
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none !important;
  transition: all 0.2s ease;
}

.btn-gallery-pdf:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(236, 72, 153, 0.5);
  color: #ffffff !important;
}

/* Viewport & Slider Track */
.gallery-viewport {
  position: relative;
  width: 100%;
  overflow: hidden;
  outline: none;
}

.gallery-viewport:focus-visible {
  box-shadow: inset 0 0 0 2px #ec4899;
}

.gallery-track {
  display: flex;
  width: 100%;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  cursor: grab;
  user-select: none;
}

.gallery-track::-webkit-scrollbar {
  display: none;
}

.gallery-track.dragging {
  cursor: grabbing;
  scroll-behavior: auto;
}

/* Individual Slide — MUST BE 100% WIDTH */
.gallery-slide {
  flex: 0 0 100%;
  width: 100%;
  min-width: 100%;
  max-width: 100%;
  scroll-snap-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1.5rem 1rem;
  background: rgba(10, 4, 18, 0.5);
  box-sizing: border-box;
}

.page-image-wrapper {
  position: relative;
  display: inline-block;
  cursor: pointer;
  max-width: 100%;
}

/* Floating Zoom Button (Top-Left of Page Image - Matching Reference Layout) */
.btn-page-zoom {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 6;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(15, 6, 28, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  transition: all 0.22s ease;
}

.btn-page-zoom:hover {
  background: #ec4899;
  border-color: #f472b6;
  box-shadow: 0 0 16px rgba(236, 72, 153, 0.6);
  transform: scale(1.1);
}

.gallery-slide img {
  display: block;
  max-width: 100%;
  max-height: 70vh;
  height: auto;
  width: auto;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.12);
  pointer-events: auto;
}

/* Floating Navigation Arrows over Viewport */
.gallery-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(24, 9, 42, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(236, 72, 153, 0.5);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.5);
  transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-nav-btn.prev-btn { left: 1rem; }
.gallery-nav-btn.next-btn { right: 1rem; }

.gallery-nav-btn:hover {
  background: #ec4899;
  border-color: #f472b6;
  box-shadow: 0 0 20px rgba(236, 72, 153, 0.6);
  transform: translateY(-50%) scale(1.1);
}

.gallery-nav-btn:active {
  transform: translateY(-50%) scale(0.95);
}

.gallery-nav-btn:disabled {
  opacity: 0.25;
  cursor: not-allowed;
  pointer-events: none;
}

/* Reference Structural Navigation Toolbar (< 1 / 28 >) */
.ref-viewer-toolbar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 0.75rem 1.25rem;
  background: #0b0416;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.3);
}

.ref-nav-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #f1f5f9;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.ref-nav-btn:hover {
  background: #ec4899;
  border-color: #f472b6;
  color: #ffffff;
  box-shadow: 0 0 14px rgba(236, 72, 153, 0.5);
}

.ref-nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  pointer-events: none;
}

.ref-page-indicator {
  font-size: 1rem;
  font-weight: 700;
  color: #e2e8f0;
  letter-spacing: 0.08em;
  font-family: inherit;
}

.ref-page-indicator span:first-child {
  color: #ffffff;
}

/* Fullscreen Lightbox Zoom Modal */
.pdf-zoom-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pdf-zoom-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 4, 18, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.pdf-zoom-content {
  position: relative;
  z-index: 10001;
  max-width: 95vw;
  max-height: 94vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.pdf-zoom-close {
  position: absolute;
  top: -45px;
  right: 0;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.pdf-zoom-close:hover {
  background: #ec4899;
  border-color: #f472b6;
}

.pdf-zoom-img-wrap {
  overflow: auto;
  max-height: 80vh;
  max-width: 100%;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: #000;
}

.pdf-zoom-img-wrap img {
  display: block;
  max-height: 78vh;
  width: auto;
  height: auto;
  object-fit: contain;
}

.pdf-zoom-toolbar {
  margin-top: 0.85rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background: rgba(24, 9, 42, 0.9);
  padding: 0.5rem 1.25rem;
  border-radius: 999px;
  border: 1px solid rgba(236, 72, 153, 0.35);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
}

.pdf-zoom-counter {
  font-size: 0.95rem;
  font-weight: 700;
  color: #e2e8f0;
}

/* Download CTA Below Gallery */
.sample-pdf-download-wrap {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.btn-section-order-now {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 1rem 2.2rem;
  background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
  color: #ffffff !important;
  font-size: 1.05rem;
  font-weight: 800;
  border-radius: var(--r-lg, 12px);
  text-decoration: none !important;
  box-shadow: 0 10px 25px rgba(219, 39, 119, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.25) inset;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  letter-spacing: .01em;
}

.btn-section-order-now:hover {
  background: linear-gradient(135deg, #db2777 0%, #be185d 100%);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 14px 32px rgba(219, 39, 119, 0.55), 0 0 20px rgba(236, 72, 153, 0.4);
  color: #ffffff !important;
}

.btn-section-order-now:active {
  transform: translateY(0) scale(0.98);
}

.btn-cta-arrow {
  transition: transform 0.2s ease;
  font-weight: 900;
}

.btn-section-order-now:hover .btn-cta-arrow {
  transform: translateX(4px);
}

.reviews-cta-wrap {
  margin-top: 2.5rem;
  display: flex;
  justify-content: center;
  width: 100%;
}

.btn-download-full-pdf {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 1rem 2rem;
  background: #ffffff;
  border: 2px solid #7c3aed;
  color: #7c3aed !important;
  font-size: 1.02rem;
  font-weight: 700;
  border-radius: var(--r-lg, 12px);
  text-decoration: none !important;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.12);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.btn-download-full-pdf:hover {
  background: #f5f3ff;
  border-color: #6d28d9;
  color: #6d28d9 !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(124, 58, 237, 0.22);
}

.btn-download-full-pdf:active {
  transform: translateY(0) scale(0.98);
}

@media (max-width: 640px) {
  .sample-pdf-section {
    padding: 2.5rem 0.75rem;
  }
  .gallery-slide {
    padding: 0.75rem 0.5rem;
  }
  .gallery-slide img {
    max-height: 65vh;
  }
  .btn-page-zoom {
    width: 34px;
    height: 34px;
    top: 8px;
    left: 8px;
  }
  .gallery-nav-btn {
    width: 38px;
    height: 38px;
  }
  .gallery-nav-btn.prev-btn { left: 0.4rem; }
  .gallery-nav-btn.next-btn { right: 0.4rem; }
  .btn-section-order-now, .btn-download-full-pdf {
    width: 100%;
    font-size: .95rem;
    padding: .85rem 1.25rem;
  }
  .reviews-cta-wrap {
    margin-top: 1.75rem;
    padding: 0 .5rem;
  }
}

/* Print styles — clean invoice card */
@media print {
  .site-nav, .hero-section, .trust-bar, .why-section,
  .included-section, .booklets-section, .samples-section,
  .sample-pdf-section, .reviews-section, .how-section, .delivery-section,
  .faq-section, .calc-section-header, .selection-column,
  .mobile-sticky-bar, .site-footer, .invoice-actions-footer { display: none !important; }

  .calculator-section { background: #fff; padding: 0; }
  .landing-layout { flex-direction: column; }
  .invoice-column { width: 100%; position: static; }
  .invoice-card { box-shadow: none; border-top-width: 4px; }
}

/* ═══════════════════════════════════════════════════════════
   MOBILE OPTIMIZATIONS & UX POLISH
═══════════════════════════════════════════════════════════ */

/* ── Better touch targets for subject cards on mobile ── */
@media (max-width: 767px) {
  /* Hero section improvements */
  .hero-section {
    padding: 0.85rem 0.85rem 1.75rem;
  }

  .hero-h1 {
    font-size: clamp(1.75rem, 7.5vw, 2.4rem);
    line-height: 1.13;
    margin-bottom: .7rem;
  }

  .hero-bullets {
    margin-bottom: 1rem;
  }

  .hero-bullet {
    font-size: .88rem;
  }

  .btn-hero-primary {
    font-size: .92rem;
    padding: .8rem 1.35rem;
  }

  /* Calculator section mobile improvements */
  .calc-section-header {
    padding: 2rem 1rem 1.5rem;
  }

  .calc-steps-bar {
    gap: .3rem;
    margin-top: 1rem;
  }

  .cstep-txt {
    font-size: .67rem;
  }

  .calc-step {
    padding: .25rem .6rem;
  }

  /* Subject card larger tap area on mobile */
  .subject-card {
    min-height: 72px;
    padding: 1rem .85rem;
    gap: .75rem;
  }

  .subject-name-en {
    font-size: .92rem;
  }

  /* Invoice improvements */
  .invoice-card {
    border-radius: var(--r-lg);
    padding: 1rem;
  }

  .invoice-final-amount {
    font-size: 1.4rem;
  }

  /* Promo banner mobile */
  .promo-banner {
    padding: .85rem;
  }

  .promo-title {
    font-size: 1.1rem;
  }

  .tier-discount {
    font-size: 1.2rem;
  }

  .combo-hero-pill {
    font-size: .75rem;
    padding: .5rem .65rem;
  }

  /* WhatsApp button full width mobile */
  .btn-whatsapp {
    min-height: 54px;
    font-size: .92rem;
  }

  /* Action buttons */
  .invoice-actions-footer {
    gap: .5rem;
    margin-top: .85rem;
  }

  /* Combo banner mobile */
  .combo-banner-box {
    padding: 1.5rem 1rem;
  }

  .combo-banner-title {
    font-size: 1.25rem;
  }

  .combo-price-main {
    font-size: 2.25rem;
  }

  .btn-combo-order {
    font-size: .88rem;
    padding: .75rem 1.25rem;
    min-height: 52px;
  }

  /* Section spacing */
  .section-container {
    padding: 2.5rem 0.9rem;
  }

  /* Trust bar text size on small screens */
  .trust-item {
    font-size: .72rem;
  }

  /* Delivery section */
  .delivery-list li {
    font-size: .85rem;
    line-height: 1.5;
  }

  /* FAQ improvements */
  .faq-question {
    font-size: .85rem;
    padding: .95rem 1rem;
  }

  .faq-answer p {
    font-size: .82rem;
    padding: 0 1rem 1rem;
  }

  /* Mobile sticky bar — tighter on very small screens */
  .mobile-sticky-bar {
    padding: .5rem .75rem calc(.5rem + env(safe-area-inset-bottom, 0px));
  }

  .btn-sticky-offer {
    min-height: 36px;
    font-size: .76rem;
  }

  .mobile-sticky-price {
    font-size: 1.1rem;
  }
}

/* ── Very small phones (360px and below) ── */
@media (max-width: 360px) {
  .hero-disc-pill {
    font-size: .63rem;
    padding: .2rem .45rem;
  }

  .disc-max {
    font-size: .67rem;
  }

  .hero-discount-banners {
    gap: .22rem;
  }

  .subject-card {
    gap: .5rem;
  }

  .subject-thumb-box {
    width: 60px;
    min-width: 60px;
  }
}

/* ── Desktop & Laptop (1024px+) Hero Optimization ── */
@media (min-width: 1024px) {
  .hero-section {
    padding: 1.2rem 1.5rem 1.6rem;
  }

  .hero-inner {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 2.25rem;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1rem;
  }

  .hero-text {
    flex: 0 1 auto;
    max-width: 475px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }

  .hero-eyebrow {
    align-items: flex-start;
    text-align: left;
    margin-bottom: 0.65rem;
  }

  .hero-eyebrow-top-row {
    justify-content: flex-start;
    margin-bottom: 0.45rem;
  }

  .hero-h1 {
    font-size: clamp(1.6rem, 2.15vw, 2.15rem);
    line-height: 1.18;
    letter-spacing: -0.025em;
    margin-bottom: 0.85rem;
    text-align: left;
  }

  .hero-bullets {
    display: flex;
    flex-direction: column;
    gap: 0.42rem;
    margin-bottom: 1.15rem;
    width: 100%;
    align-items: flex-start;
    text-align: left;
  }

  .hero-bullet {
    font-size: 0.9rem;
    white-space: nowrap;
    gap: 0.55rem;
  }

  .bullet-icon {
    font-size: 0.95rem;
  }

  .hero-ctas {
    justify-content: flex-start;
    width: 100%;
    margin-top: 0.15rem;
    margin-bottom: 0;
  }

  .btn-hero-primary {
    font-size: 0.96rem;
    padding: 0.78rem 1.65rem;
    min-height: 44px;
  }

  /* Desktop side-by-side product visual & discount card */
  .hero-image-wrap {
    display: flex;
    flex-direction: row-reverse;
    align-items: center;
    gap: 1.15rem;
    width: auto;
    max-width: none;
    flex: 0 0 auto;
    margin-bottom: 0;
  }

  .hero-slider-box {
    width: 300px;
    height: 300px;
    aspect-ratio: 1 / 1;
    flex-shrink: 0;
    box-shadow: 0 12px 36px rgba(76, 29, 149, 0.16);
  }

  .hero-discount-card {
    width: 285px;
    max-width: 285px;
    margin: 0;
    padding: 0.9rem 0.85rem;
    border-radius: 16px;
    flex-shrink: 0;
    box-shadow: 0 10px 28px rgba(124, 58, 237, 0.08), 0 2px 8px rgba(0, 0, 0, 0.03);
  }

  .hero-disc-header {
    margin-bottom: 0.55rem;
  }

  .hero-disc-badge-tag {
    font-size: 0.68rem;
    padding: 0.2rem 0.75rem;
    margin-bottom: 0.25rem;
  }

  .hero-disc-card-title {
    font-size: 1.25rem;
  }

  .hero-disc-tiers-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.45rem;
    margin-bottom: 0.65rem;
  }

  .hero-disc-tier {
    padding: 0.5rem 0.35rem;
    border-radius: 10px;
    gap: 0.1rem;
  }

  .hero-disc-range {
    font-size: 0.68rem;
  }

  .hero-disc-amount {
    font-size: 1.1rem;
  }

  .hero-disc-amount span {
    font-size: 0.65rem;
  }

  .hero-disc-combo-bar {
    font-size: 0.76rem;
    padding: 0.5rem 0.65rem;
    border-radius: 10px;
    line-height: 1.35;
  }

  /* Wider nav container */
  .nav-inner {
    padding: .65rem 1.5rem;
  }

  /* Calculator section */
  .calc-section-header {
    padding: 3.5rem 1.5rem 2.5rem;
  }

  .subjects-grid {
    gap: .85rem;
  }

  .subject-card {
    transition: border-color .18s, box-shadow .18s, background .18s, transform .12s;
  }

  /* Invoice sticky column */
  .invoice-column {
    top: 90px;
  }

  /* Why section 3-column on desktop */
  .why-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }

  /* Included grid 3-column on desktop */
  .included-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ── 1280px+ wide desktop ── */
@media (min-width: 1280px) {
  .nav-inner {
    padding: .65rem 2rem;
  }

  .hero-section {
    padding: 1.25rem 2rem 1.65rem;
  }
}

/* ═══════════════════════════════════════════════════════════
   VERIFIED CONFIRMATIONS SECTION (STANDALONE SQUARE SLIDER)
═══════════════════════════════════════════════════════════ */
.confirmations-section {
  background: var(--bg-white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 3rem 0;
  position: relative;
  overflow: hidden;
  scroll-margin-top: 75px;
}

.confirmations-slider-box {
  position: relative;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Scrollable track — ONLY THIS SQUARE TRACK MOVES/SCROLLS */
.confirmations-scroll-track {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  padding: .75rem .25rem 1.25rem;
  scrollbar-width: none;
}

.confirmations-scroll-track::-webkit-scrollbar {
  display: none;
}

/* Full Vertical Screenshot Cards (1:2 ratio for complete WhatsApp screenshot visibility) */
.confirmation-square-card {
  flex: 0 0 260px;
  width: 260px;
  height: 520px;
  aspect-ratio: 1 / 2;
  border-radius: var(--r-xl);
  overflow: hidden;
  background: #ffffff;
  border: 2px solid var(--border);
  box-shadow: var(--shadow-md);
  scroll-snap-align: start;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.25s ease;
  position: relative;
}

.confirmation-square-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-border);
}

.confirmation-ss-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: top center;
  display: block;
  border-radius: inherit;
  background: #0f172a;
  transition: transform 0.3s ease;
}

.confirmation-square-card:hover .confirmation-ss-img {
  transform: scale(1.02);
}

/* Navigation Buttons for Screenshots Slider */
.confirmations-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #ffffff;
  border: 1.5px solid var(--border-mid);
  color: var(--primary-dark);
  font-size: 1.4rem;
  font-weight: 800;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.12);
  transition: all 0.2s ease;
  user-select: none;
}

.confirmations-nav-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 6px 18px rgba(124, 58, 237, 0.3);
}

.confirmations-nav-btn.prev-btn { left: -6px; }
.confirmations-nav-btn.next-btn { right: -6px; }

@media (max-width: 768px) {
  .confirmations-section {
    padding: 2.25rem 0;
  }
  .confirmation-square-card {
    flex: 0 0 220px;
    width: 220px;
    height: 440px;
  }
  .confirmations-nav-btn {
    width: 36px;
    height: 36px;
    font-size: 1.2rem;
  }
  .confirmations-nav-btn.prev-btn { left: 2px; }
  .confirmations-nav-btn.next-btn { right: 2px; }
}

@media (max-width: 480px) {
  .confirmation-square-card {
    flex: 0 0 200px;
    width: 200px;
    height: 400px;
  }
}