/* ==========================================================================
   CODEBREAKER MATH — PRODUCT-FIRST V03.2 MASTER STYLESHEET
   Direction: Detective Mystery / Educational E-Commerce CRO
   Palette: Deep Navy (#0f172a), Crimson (#be123c), Amber (#f59e0b), Paper (#f8fafc)
   ========================================================================== */

:root {
  --navy-950: #020617;
  --navy-900: #0f172a;
  --navy-800: #1e293b;
  --navy-700: #334155;
  --navy-600: #475569;
  --navy-500: #64748b;
  --navy-300: #cbd5e1;
  --navy-200: #e2e8f0;
  --navy-100: #f1f5f9;
  --navy-50:  #f8fafc;

  --crimson-700: #9f1239;
  --crimson-600: #be123c;
  --crimson-500: #e11d48;
  --crimson-100: #ffe4e6;
  --crimson-50:  #fff1f2;

  --amber-600: #d97706;
  --amber-500: #f59e0b;
  --amber-400: #fbbf24;
  --amber-100: #fef3c7;
  --amber-50:  #fffbeb;

  --emerald-600: #059669;
  --emerald-500: #10b981;
  --emerald-100: #d1fae5;
  --emerald-50:  #ecfdf5;

  --sky-600: #0284c7;
  --sky-500: #0ea5e9;
  --sky-100: #e0f2fe;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(15,23,42,0.08);
  --shadow-lg: 0 12px 30px rgba(15,23,42,0.12);
  --shadow-xl: 0 20px 45px rgba(15,23,42,0.18);

  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif: 'DM Serif Display', Georgia, serif;
}

/* Base Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--navy-900);
  background-color: var(--navy-50);
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  width: 100%;
  max-width: 100%;
}

body {
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Accessibility: Prevent Anchor Header Overlap */
section[id], [id] {
  scroll-margin-top: 90px;
}

@media (max-width: 768px) {
  section[id], [id] {
    scroll-margin-top: 75px;
  }
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1260px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* ==========================================================================
   PROMOTIONAL ANNOUNCEMENT BAR (NO TIMER)
   ========================================================================== */
.promo-bar {
  background: var(--navy-900);
  color: var(--navy-100);
  border-bottom: 1px solid rgba(245, 158, 11, 0.3);
  font-size: 0.85rem;
  padding: 10px 0;
  position: relative;
  z-index: 50;
}

.promo-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.promo-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.promo-tag {
  background: var(--amber-500);
  color: var(--navy-950);
  font-weight: 800;
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.promo-msg {
  font-weight: 500;
  color: var(--navy-200);
}

.promo-review-pill {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.3);
  padding: 3px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: #34d399;
}

/* ==========================================================================
   SITE HEADER
   ========================================================================== */
.site-header {
  background: #ffffff;
  border-bottom: 1px solid var(--navy-200);
  position: sticky;
  top: 0;
  z-index: 40;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 20px;
}

.brand-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.brand-link:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.site-logo-img {
  height: 44px;
  width: auto;
  max-width: 210px;
  object-fit: contain;
  display: block;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.header-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--navy-700);
  transition: color 0.15s ease;
}

.header-nav a:hover {
  color: var(--crimson-600);
}

.header-cta-mobile {
  display: none;
}

.header-cta-btn {
  background: linear-gradient(180deg, #fbbf24 0%, #f59e0b 100%);
  color: #0f172a;
  border: 1px solid #d97706;
  border-radius: var(--radius-md);
  padding: 10px 18px;
  font-size: 0.92rem;
  font-weight: 900;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.35);
  white-space: nowrap;
  flex-shrink: 0;
}

.header-cta-btn:hover {
  background: linear-gradient(180deg, #f59e0b 0%, #d97706 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(217, 119, 6, 0.45);
}

.header-cta-btn svg {
  stroke: #0f172a;
}

/* ==========================================================================
   SECTION 1: HERO & BUY BOX
   ========================================================================== */
.hero-section {
  padding: 40px 0 60px;
  background: linear-gradient(180deg, #ffffff 0%, var(--navy-100) 100%);
  border-bottom: 1px solid var(--navy-200);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 40px;
  align-items: start;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.hero-grid > * {
  min-width: 0;
  max-width: 100%;
}

/* Product Showcase Gallery (Left Column) */
.product-showcase {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.main-image-container {
  position: relative;
  background: var(--navy-900);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  cursor: zoom-in;
  border: 1px solid rgba(0,0,0,0.06);
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.main-image-preview {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: var(--navy-900);
  transition: transform 0.25s ease;
}

.main-image-container:hover .main-image-preview {
  transform: scale(1.02);
}

.zoom-hint-pill {
  position: absolute;
  bottom: 16px;
  right: 16px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(4px);
  color: #ffffff;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.25);
  pointer-events: none;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* Thumbnail Track */
.thumbnail-selector {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.thumb-btn {
  background: #ffffff;
  border: 2px solid var(--navy-200);
  border-radius: var(--radius-sm);
  padding: 2px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  transition: all 0.15s ease;
  overflow: hidden;
}

.thumb-btn img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 4px;
}

.thumb-btn span {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--navy-600);
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
  max-width: 100%;
  padding-bottom: 2px;
}

.thumb-btn.active, .thumb-btn:hover {
  border-color: var(--crimson-600);
  box-shadow: 0 0 0 1px var(--crimson-600);
}

.thumb-btn.active span {
  color: var(--crimson-600);
}

/* Hero Offer Details & Buy Box (Right Column) */
.hero-details {
  display: flex;
  flex-direction: column;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--sky-600);
  margin-bottom: 8px;
}

.hero-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--navy-950);
  line-height: 1.15;
  letter-spacing: -0.8px;
  margin-bottom: 12px;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--navy-600);
  line-height: 1.5;
  margin-bottom: 16px;
}

/* Social Proof Strip with WhatsApp-style Profile Avatars */
.social-proof-strip {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.avatar-group {
  display: flex;
  align-items: center;
}

.avatar-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2.5px solid #ffffff;
  margin-left: -10px;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.18);
  transition: transform 0.15s ease, z-index 0.15s ease;
  position: relative;
}

.avatar-circle:first-child {
  margin-left: 0;
}

.avatar-circle:hover {
  transform: translateY(-2px) scale(1.12);
  z-index: 5;
}

.rating-details {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.rating-stars-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.rating-stars {
  display: flex;
  align-items: center;
  gap: 2px;
  color: var(--amber-500);
}

.rating-stars svg {
  width: 17px;
  height: 17px;
}

.rating-score {
  font-weight: 800;
  font-size: 1rem;
  color: var(--navy-950);
}

.rating-customer-count {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--navy-600);
}

/* Buy Box Card */
.buy-box-card {
  background: #ffffff;
  border: 2px solid var(--navy-200);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.price-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.price-main-wrapper {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.price-main {
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--navy-950);
  line-height: 1;
  letter-spacing: -1px;
}

.price-old-strikethrough {
  font-size: 1.35rem;
  font-weight: 800;
  color: #ef4444; /* High-contrast red requested by user */
  text-decoration: line-through;
  text-decoration-color: #ef4444;
  text-decoration-thickness: 2.5px;
}

.btn-strikethrough-tag {
  display: inline-block;
  color: #dc2626;
  text-decoration: line-through;
  text-decoration-color: #991b1b;
  text-decoration-thickness: 2.5px;
  font-weight: 900;
  margin-right: 6px;
  opacity: 0.95;
}

.header-cta-btn .btn-strikethrough-tag {
  color: #dc2626;
  text-decoration: line-through;
  text-decoration-color: #991b1b;
}

.sticky-mobile-btn .btn-strikethrough-tag {
  color: #dc2626;
  text-decoration: line-through;
  text-decoration-color: #991b1b;
}

.btn-primary-buy .btn-strikethrough-tag {
  color: #dc2626;
  text-decoration: line-through;
  text-decoration-color: #991b1b;
}

.price-savings-badge {
  background: var(--emerald-50);
  border: 1px solid var(--emerald-500);
  color: var(--emerald-600);
  font-size: 0.82rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.price-subtext {
  font-size: 0.85rem;
  color: var(--navy-600);
}

/* Main Buy Button (Vibrant Golden Yellow - Aha! Printables & Amazon Standard) */
.btn-primary-buy {
  background: linear-gradient(180deg, #fbbf24 0%, #f59e0b 100%);
  color: #0f172a;
  border: 1px solid #d97706;
  border-radius: var(--radius-md);
  padding: 16px 24px;
  font-size: 1.12rem;
  font-weight: 900;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4);
  transition: all 0.2s ease;
}

.btn-primary-buy svg {
  stroke: #0f172a;
}

.btn-primary-buy:hover {
  background: linear-gradient(180deg, #f59e0b 0%, #d97706 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(217, 119, 6, 0.5);
}

.btn-primary-buy:active {
  transform: translateY(0);
}

.price-guarantee-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--navy-600);
  font-weight: 600;
}

.price-guarantee-note svg {
  color: var(--emerald-600);
}

/* Color Psychology: Free Bonus High-Value Callout */
.buy-box-bonus-callout {
  background: linear-gradient(135deg, #fdf4ff 0%, #ede9fe 100%);
  border: 1px solid #c084fc;
  border-radius: var(--radius-md);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.12);
}

.bonus-callout-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
}

.bonus-callout-text {
  font-size: 0.8rem;
  color: #4c1d95;
  line-height: 1.35;
}

.bonus-callout-text strong {
  color: #6d28d9;
}

/* Trust Micro-Strip */
.trust-micro-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding-top: 10px;
  border-top: 1px solid var(--navy-200);
}

.micro-trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
}

.micro-trust-item svg {
  width: 20px;
  height: 20px;
  color: var(--sky-600);
}

.micro-trust-item span {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--navy-700);
  line-height: 1.2;
}

/* ==========================================================================
   SECTION 2: HOW IT WORKS (COMPACT VISUAL WALKTHROUGH)
   ========================================================================== */
.how-it-works-section {
  padding: 70px 0;
  background: #ffffff;
  border-bottom: 1px solid var(--navy-200);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 44px;
}

.section-tag {
  display: inline-block;
  background: var(--amber-50);
  border: 1px solid var(--amber-500);
  color: var(--amber-600);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 10px;
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--navy-950);
  letter-spacing: -0.6px;
  margin-bottom: 10px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--navy-600);
  line-height: 1.5;
}

/* 3-Step Visual Layout */
.steps-grid-visual {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.step-card-visual {
  flex: 1;
  background: var(--navy-50);
  border: 2px solid var(--navy-200);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease;
}

.step-card-visual:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--sky-500);
}

.step-number-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--navy-900);
  color: #ffffff;
  font-weight: 900;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.step-visual-box {
  width: 100%;
  background: #ffffff;
  border: 1px solid var(--navy-200);
  border-radius: var(--radius-md);
  padding: 16px 12px;
  margin-bottom: 16px;
  min-height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-math-example, .step-cipher-example, .step-reveal-example {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  width: 100%;
}

.step-math-label {
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--navy-500);
  letter-spacing: 0.5px;
}

.math-big {
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--navy-900);
  font-family: monospace;
}

.math-big strong {
  color: var(--sky-600);
}

.cipher-lookup {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 900;
}

.cipher-answer {
  background: var(--amber-100);
  color: var(--amber-600);
  padding: 2px 8px;
  border-radius: 4px;
}

.cipher-arrow {
  color: var(--navy-500);
}

.cipher-letter {
  background: var(--sky-100);
  color: var(--sky-600);
  padding: 2px 10px;
  border-radius: 4px;
}

.codeword-reveal {
  display: flex;
  gap: 3px;
}

.codeword-letter {
  width: 20px;
  height: 26px;
  border-bottom: 2px solid var(--navy-900);
  font-weight: 900;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.codeword-letter.filled {
  color: var(--emerald-600);
  border-color: var(--emerald-600);
}

.codeword-meaning {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--navy-600);
  text-align: center;
}

.step-arrow {
  color: var(--sky-500);
  flex-shrink: 0;
}

.step-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--navy-950);
  margin-bottom: 6px;
}

.step-desc {
  font-size: 0.85rem;
  color: var(--navy-600);
  line-height: 1.45;
}

/* ==========================================================================
   SECTION 3: AUTHENTIC PRODUCT SAMPLES (GALLERY)
   ========================================================================== */
.gallery-section {
  padding: 70px 0;
  background: var(--navy-100);
  border-bottom: 1px solid var(--navy-200);
}

.gallery-tabs-nav {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.gallery-tab-btn {
  background: #ffffff;
  border: 1px solid var(--navy-300);
  color: var(--navy-700);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
}

.gallery-tab-btn.active, .gallery-tab-btn:hover {
  background: var(--navy-900);
  color: #ffffff;
  border-color: var(--navy-900);
}

/* Color Psychology: Bonus Tab Highlight */
.gallery-tab-btn.tab-bonus {
  background: #fdf4ff;
  color: #7c3aed;
  border-color: #c084fc;
  font-weight: 800;
}

.gallery-tab-btn.tab-bonus.active, .gallery-tab-btn.tab-bonus:hover {
  background: linear-gradient(135deg, #7c3aed 0%, #4f46e5 100%);
  color: #ffffff;
  border-color: #7c3aed;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.35);
}

.samples-section .container {
  max-width: 1280px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.sample-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
  border: 1px solid var(--navy-200);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.sample-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.12);
  border-color: var(--navy-300);
}

.sample-card.hidden {
  display: none !important;
}

.sample-card-media {
  position: relative;
  background: #ffffff;
  cursor: zoom-in;
  overflow: hidden;
  aspect-ratio: 78 / 101;
  border-bottom: 1px solid var(--navy-200);
}

.sample-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.25s ease;
}

.sample-card-media:hover img {
  transform: scale(1.03);
}

.sample-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.sample-card-media:hover .sample-card-overlay {
  opacity: 1;
}

.overlay-zoom-pill {
  background: #ffffff;
  color: var(--navy-950);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: var(--shadow-md);
}

.sample-card-content {
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.sample-badge {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  width: fit-content;
  margin-bottom: 8px;
}

.badge-g3 { background: var(--emerald-50); color: var(--emerald-600); }
.badge-g4 { background: var(--sky-100); color: var(--sky-600); }
.badge-g5 { background: var(--crimson-50); color: var(--crimson-600); }
.badge-answer { background: var(--amber-50); color: var(--amber-600); }
.badge-guide { background: var(--navy-200); color: var(--navy-700); }
.badge-bonus { 
  background: linear-gradient(135deg, #7c3aed 0%, #4f46e5 100%); 
  color: #ffffff; 
  box-shadow: 0 2px 6px rgba(124, 58, 237, 0.35);
}

/* Card Bonus Featured VIP Banner */
.sample-card.card-bonus-featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 360px 1fr;
  background: linear-gradient(135deg, #ffffff 0%, #faf5ff 100%);
  border: 2px solid #a855f7;
  box-shadow: 0 10px 30px rgba(124, 58, 237, 0.12);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.sample-card.card-bonus-featured:hover {
  border-color: #7c3aed;
  box-shadow: 0 16px 40px rgba(124, 58, 237, 0.2);
  transform: translateY(-4px);
}

.sample-bonus-featured-content {
  padding: 32px 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}

.bonus-featured-tag {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: #7c3aed;
  flex-wrap: wrap;
}

.bonus-value-tag {
  background: #f3e8ff;
  border: 1px solid #c084fc;
  color: #6b21a8;
  padding: 3px 10px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 0.78rem;
}

.bonus-featured-title {
  font-size: 1.45rem;
  font-weight: 900;
  color: #1e1b4b;
  line-height: 1.25;
}

.bonus-featured-desc {
  font-size: 0.92rem;
  color: #475569;
  line-height: 1.5;
}

.bonus-feature-bullets {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 4px 0;
}

.bonus-bullet-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: #334155;
}

.bonus-bullet-item svg {
  width: 17px;
  height: 17px;
  color: #7c3aed;
  flex-shrink: 0;
  margin-top: 2px;
}

.bonus-micro-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(168, 85, 247, 0.2);
  padding-top: 12px;
  font-size: 0.82rem;
  color: #64748b;
}

.bonus-zip-badge {
  background: #e0e7ff;
  color: #3730a3;
  padding: 4px 10px;
  border-radius: 6px;
  font-weight: 700;
}

.bonus-hint-action {
  color: #7c3aed;
  font-weight: 700;
}

.sample-card-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--navy-900);
  margin-bottom: 4px;
}

.sample-card-desc {
  font-size: 0.88rem;
  color: var(--navy-600);
  line-height: 1.4;
}

/* ==========================================================================
   SECTION 4: BENEFITS GRID
   ========================================================================== */
.benefits-section {
  padding: 70px 0;
  background: #ffffff;
  border-bottom: 1px solid var(--navy-200);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.benefit-card {
  background: var(--navy-50);
  border: 1px solid var(--navy-200);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.benefit-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--sky-100);
  color: var(--sky-600);
  display: flex;
  align-items: center;
  justify-content: center;
}

.benefit-card h3 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--navy-950);
}

.benefit-card p {
  font-size: 0.92rem;
  color: var(--navy-600);
  line-height: 1.5;
}

/* ==========================================================================
   SECTION 5: COMPLETE DIGITAL PACKAGE (BUNDLE)
   ========================================================================== */
.bundle-section {
  padding: 70px 0;
  background: var(--navy-900);
  color: #ffffff;
}

.bundle-section .section-title {
  color: #ffffff;
}

.bundle-section .section-subtitle {
  color: var(--navy-300);
}

.bundle-box {
  background: var(--navy-800);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-xl);
}

.bundle-items-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}

.bundle-item-card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
}

.bundle-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.bundle-grade-pill {
  font-size: 0.72rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.pill-g3 { background: #059669; color: #fff; }
.pill-g4 { background: #0284c7; color: #fff; }
.pill-g5 { background: #be123c; color: #fff; }
.pill-all { background: #f59e0b; color: #020617; }
.pill-bonus { 
  background: linear-gradient(135deg, #7c3aed 0%, #4f46e5 100%); 
  color: #ffffff; 
  box-shadow: 0 2px 6px rgba(124, 58, 237, 0.35);
}

/* Bundle Bonus Card Highlight */
.bundle-item-card.bundle-bonus-card {
  background: linear-gradient(145deg, rgba(30, 27, 75, 0.85) 0%, rgba(15, 23, 42, 0.95) 100%);
  border: 2px solid #a855f7;
  box-shadow: 0 8px 25px rgba(124, 58, 237, 0.25);
}

.bonus-val-tag {
  color: #d8b4fe !important;
  font-weight: 800;
}

.bonus-meta-tag {
  color: #c084fc !important;
  font-weight: 800;
}

.bundle-page-count {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--navy-300);
}

.bundle-item-title {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 6px;
  color: #ffffff;
}

.bundle-item-desc {
  font-size: 0.85rem;
  color: var(--navy-300);
  line-height: 1.45;
  margin-bottom: 12px;
  flex: 1;
}

.bundle-item-meta {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--sky-500);
}

.bundle-cta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  flex-wrap: wrap;
}

.bundle-summary-info {
  display: flex;
  align-items: center;
  gap: 14px;
}

.bundle-zip-icon {
  font-size: 2rem;
}

.bundle-summary-info strong {
  font-size: 1.1rem;
  color: #ffffff;
  display: block;
}

.bundle-summary-info p {
  font-size: 0.85rem;
  color: var(--navy-300);
}

.bundle-cta-row .btn-primary-buy {
  width: auto;
  max-width: 100%;
  min-width: 0;
}

/* ==========================================================================
   SECTION 6: TRUST & VERIFICATION
   ========================================================================== */
.trust-section {
  padding: 70px 0;
  background: #ffffff;
  border-bottom: 1px solid var(--navy-200);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.trust-point {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px;
  background: var(--navy-50);
  border-radius: var(--radius-md);
  border: 1px solid var(--navy-200);
}

.trust-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--emerald-100);
  color: var(--emerald-600);
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.trust-point strong {
  display: block;
  font-size: 1.05rem;
  color: var(--navy-950);
  margin-bottom: 4px;
}

.trust-point p {
  font-size: 0.88rem;
  color: var(--navy-600);
  line-height: 1.45;
}

/* ==========================================================================
   SECTION 7: FAQ (ACCORDION)
   ========================================================================== */
.faq-section {
  padding: 70px 0;
  background: var(--navy-100);
  border-bottom: 1px solid var(--navy-200);
}

.faq-accordion-container {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--navy-200);
  overflow: hidden;
}

.faq-trigger {
  width: 100%;
  padding: 18px 20px;
  background: none;
  border: none;
  text-align: left;
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy-900);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: color 0.15s ease;
}

.faq-trigger:hover {
  color: var(--crimson-600);
}

.faq-icon-chevron {
  width: 20px;
  height: 20px;
  color: var(--navy-500);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-icon-chevron {
  transform: rotate(180deg);
}

.faq-panel {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease, padding 0.25s ease;
}

.faq-item.active .faq-panel {
  padding: 0 20px 18px;
  max-height: 300px;
}

.faq-panel p {
  font-size: 0.92rem;
  color: var(--navy-600);
  line-height: 1.55;
}

/* ==========================================================================
   FINAL CTA SECTION
   ========================================================================== */
.final-cta-section {
  padding: 80px 0;
  background: linear-gradient(180deg, #ffffff 0%, var(--navy-50) 100%);
  text-align: center;
}

.final-cta-box {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.final-cta-box h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--navy-950);
  letter-spacing: -0.6px;
}

.final-cta-box p {
  font-size: 1.1rem;
  color: var(--navy-600);
}

.btn-large {
  padding: 18px 36px;
  font-size: 1.2rem;
  width: auto;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

.final-cta-note {
  font-size: 0.8rem;
  color: var(--navy-500);
}

/* ==========================================================================
   SITE FOOTER
   ========================================================================== */
.site-footer {
  background: var(--navy-950);
  color: var(--navy-500);
  padding: 40px 0;
  font-size: 0.82rem;
  line-height: 1.6;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: center;
}

.footer-brand-lockup {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.footer-logo-card {
  background: #ffffff;
  padding: 8px 18px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-brand-logo {
  height: 38px;
  width: auto;
  object-fit: contain;
  display: block;
}

.footer-tagline {
  font-size: 0.88rem;
  font-weight: 700;
  color: #fbbf24;
  letter-spacing: 0.5px;
}

.footer-product-name {
  font-size: 0.85rem;
  color: #e2e8f0;
}

.footer-product-name strong {
  color: #ffffff;
}

.footer-disclaimer {
  max-width: 820px;
  margin: 0 auto;
  font-size: 0.78rem;
  color: var(--navy-400);
}

.footer-copyright {
  font-size: 0.76rem;
  color: var(--navy-500);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 14px;
}

/* ==========================================================================
   STICKY MOBILE CTA BAR (COMPACT & PROPORTIONAL)
   ========================================================================== */
.sticky-mobile-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  max-width: 100%;
  background: rgba(15, 23, 42, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 10px 16px;
  padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px));
  z-index: 99;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.35);
  box-sizing: border-box;
}

.sticky-mobile-cta.visible {
  transform: translateY(0);
}

.sticky-mobile-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  box-sizing: border-box;
}

.sticky-mobile-price-box {
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex-shrink: 0;
}

.sticky-price-row {
  display: flex;
  align-items: baseline;
  gap: 6px;
  line-height: 1;
}

.sticky-price-old {
  font-size: 0.9rem;
  font-weight: 800;
  color: #ef4444;
  text-decoration: line-through;
  text-decoration-color: #ef4444;
  text-decoration-thickness: 2px;
}

.sticky-mobile-price {
  font-size: 1.25rem;
  font-weight: 900;
  color: #ffffff;
  letter-spacing: -0.3px;
}

.sticky-mobile-tag {
  font-size: 0.68rem;
  color: var(--amber-400);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-top: 2px;
}

.sticky-mobile-btn {
  background: linear-gradient(180deg, #fbbf24 0%, #f59e0b 100%);
  color: #0f172a;
  border: 1px solid #d97706;
  border-radius: var(--radius-md);
  padding: 10px 18px;
  font-size: 0.92rem;
  font-weight: 900;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0 3px 10px rgba(245, 158, 11, 0.4);
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-shrink: 0;
}

.sticky-mobile-btn:hover {
  background: linear-gradient(180deg, #f59e0b 0%, #d97706 100%);
}

.sticky-mobile-btn svg {
  stroke: #0f172a;
}

/* ==========================================================================
   LIGHTBOX MODAL (ZOOM LEVEL 2: DEEP INSPECTION)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.92);
  backdrop-filter: blur(6px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-card {
  background: var(--navy-900);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  width: 100%;
  max-width: 1000px;
  height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0,0,0,0.6);
}

.lightbox-header {
  padding: 14px 20px;
  background: var(--navy-950);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.lightbox-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

.lightbox-nav-counter {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--amber-400);
  white-space: nowrap;
}

.lightbox-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lightbox-btn, .lightbox-nav-btn {
  background: var(--navy-800);
  border: 1px solid var(--navy-700);
  color: #ffffff;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
}

.lightbox-btn:hover, .lightbox-nav-btn:hover {
  background: var(--navy-700);
}

.lightbox-close-btn {
  background: var(--crimson-600);
  border: none;
  color: #ffffff;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s ease;
}

.lightbox-close-btn:hover {
  background: var(--crimson-700);
}

.lightbox-viewport {
  flex: 1;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #020617;
  cursor: default;
}

.lightbox-viewport.dragging {
  cursor: grabbing;
}

.lightbox-img-full {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transform-origin: center center;
  transition: transform 0.2s cubic-bezier(0.2, 0, 0.2, 1);
  user-select: none;
  cursor: zoom-in;
}

/* Floating Side Navigation Arrows */
.lightbox-side-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 30;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.82);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.55);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 0;
}

.lightbox-side-arrow:hover {
  background: rgba(2, 132, 199, 0.95);
  border-color: #38bdf8;
  color: #ffffff;
  transform: translateY(-50%) scale(1.12);
  box-shadow: 0 8px 30px rgba(2, 132, 199, 0.6);
}

.lightbox-side-arrow:active {
  transform: translateY(-50%) scale(0.96);
}

.lightbox-side-arrow:focus-visible {
  outline: 3px solid #38bdf8;
  outline-offset: 2px;
}

.lightbox-side-arrow.prev-arrow {
  left: 24px;
}

.lightbox-side-arrow.next-arrow {
  right: 24px;
}

.lightbox-caption {
  padding: 12px 20px;
  background: var(--navy-950);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
  color: var(--navy-300);
  line-height: 1.4;
}

/* ==========================================================================
   CHECKOUT DEMO MODAL
   ========================================================================== */
.checkout-demo-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 32px;
  width: 100%;
  max-width: 500px;
  box-shadow: 0 25px 60px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.demo-modal-badge {
  background: var(--amber-100);
  color: var(--amber-600);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  width: fit-content;
  text-transform: uppercase;
}

.demo-modal-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--navy-950);
}

.demo-modal-text {
  font-size: 0.92rem;
  color: var(--navy-600);
  line-height: 1.5;
}

.demo-order-summary {
  background: var(--navy-50);
  border: 1px solid var(--navy-200);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.88rem;
}

.demo-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.demo-summary-row strong {
  color: var(--navy-950);
}

.demo-dismiss-btn {
  background: var(--navy-900);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  padding: 14px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s ease;
}

.demo-dismiss-btn:hover {
  background: var(--navy-950);
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS (320px – 1440px)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
    width: 100%;
    max-width: 100%;
  }
  .steps-grid-visual {
    flex-direction: column;
  }
  .step-arrow {
    transform: rotate(90deg);
  }
  .benefits-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .bundle-items-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
  .sample-card.card-bonus-featured {
    grid-column: 1 / -1;
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  }
}

@media (max-width: 768px) {
  body {
    padding-bottom: calc(75px + env(safe-area-inset-bottom, 0px));
  }
  .header-nav {
    display: none;
  }
  .header-inner {
    height: 60px;
  }
  .header-cta-btn {
    padding: 8px 14px;
    font-size: 0.85rem;
  }
  .hero-title {
    font-size: 1.85rem;
  }
  .benefits-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .bundle-items-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .trust-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .thumbnail-selector {
    display: flex;
    overflow-x: auto;
    gap: 8px;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }
  .thumb-btn {
    flex: 0 0 64px;
    width: 64px;
    height: 64px;
    min-width: 64px;
  }
  .gallery-tabs {
    display: flex;
    overflow-x: auto;
    flex-wrap: nowrap;
    gap: 8px;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    padding-bottom: 8px;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }
  .gallery-tab-btn {
    flex-shrink: 0;
    white-space: nowrap;
    font-size: 0.85rem;
    padding: 8px 14px;
  }
  .gallery-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    width: 100%;
    max-width: 100%;
  }
  .sample-card {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }
  .sample-card.card-bonus-featured {
    grid-column: 1;
    grid-template-columns: minmax(0, 1fr);
  }
  .sample-bonus-featured-content {
    padding: 24px 20px;
  }
  .lightbox-side-arrow {
    width: 44px;
    height: 44px;
    background: rgba(15, 23, 42, 0.9);
  }
  .lightbox-side-arrow.prev-arrow {
    left: 10px;
  }
  .lightbox-side-arrow.next-arrow {
    right: 10px;
  }
  .trust-micro-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    width: 100%;
  }
  .bundle-cta-row {
    flex-direction: column;
    align-items: stretch;
  }
  .bundle-cta-row .btn-primary-buy {
    width: 100%;
    min-width: 0;
  }
  .btn-large {
    width: 100%;
    min-width: 0;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }
  .site-logo-img {
    height: 32px;
    max-width: 135px;
    width: auto;
    object-fit: contain;
  }
  .header-cta-desktop {
    display: none;
  }
  .header-cta-mobile {
    display: inline-flex;
  }
  .header-cta-btn {
    padding: 6px 11px;
    font-size: 0.8rem;
    gap: 4px;
  }
  .section-title {
    font-size: 1.55rem;
  }
  .promo-bar {
    padding: 8px 0;
  }
  .promo-bar-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .promo-left {
    flex-wrap: wrap;
    gap: 6px;
  }
  .promo-msg {
    font-size: 0.8rem;
  }
  .hero-section {
    padding: 24px 0 40px;
  }
  .hero-eyebrow {
    font-size: 0.75rem;
    letter-spacing: 1px;
  }
  .hero-title {
    font-size: 1.62rem;
    letter-spacing: -0.5px;
    line-height: 1.2;
  }
  .hero-subtitle {
    font-size: 0.95rem;
  }
  .buy-box-card {
    padding: 18px 14px;
    gap: 14px;
  }
  .price-main {
    font-size: 2.25rem;
  }
  .btn-primary-buy {
    font-size: 1.02rem;
    padding: 13px 16px;
  }
  .btn-strikethrough-tag {
    font-size: 0.88rem;
  }
  .thumb-btn {
    flex: 0 0 58px;
    width: 58px;
    height: 58px;
    min-width: 58px;
  }
  .sticky-mobile-cta {
    padding: 9px 14px;
    padding-bottom: calc(9px + env(safe-area-inset-bottom, 0px));
  }
  .sticky-mobile-price {
    font-size: 1.2rem;
  }
  .sticky-mobile-btn {
    font-size: 0.88rem;
    padding: 10px 14px;
  }
  .lightbox-card {
    height: 100vh;
    max-height: 100vh;
    width: 100vw;
    border-radius: 0;
  }
  .lightbox-title {
    font-size: 0.82rem;
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .lightbox-caption {
    font-size: 0.78rem;
    padding: 10px 14px;
  }
}

@media (max-width: 360px) {
  .container {
    padding: 0 12px;
  }
  .site-logo-img {
    height: 28px;
    max-width: 115px;
  }
  .header-cta-btn {
    padding: 5px 8px;
    font-size: 0.74rem;
  }
  .hero-title {
    font-size: 1.45rem;
  }
  .price-main {
    font-size: 2rem;
  }
  .thumb-btn {
    flex: 0 0 52px;
    width: 52px;
    height: 52px;
    min-width: 52px;
  }
  .sticky-mobile-price {
    font-size: 1.1rem;
  }
  .sticky-mobile-tag {
    display: none;
  }
  .sticky-mobile-btn {
    padding: 8px 10px;
    font-size: 0.82rem;
  }
  .btn-primary-buy {
    font-size: 0.95rem;
    padding: 12px 14px;
  }
}