/* ============================================================
   JÖKL Seed Clone PDP — Style System
   Design System: "The Biological Atelier"
   - Manrope (headlines) + Inter (body)
   - Forest Green primary (#1E392A)
   - Ice-off-white surface (#f8faf9)
   - No-Line Rule: zero 1px borders for sectioning
   - Tonal Layering: depth via background-color shifts
   ============================================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Pretendard Variable', 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--surface);
  color: var(--on-surface);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── DESIGN TOKENS ── */
:root {
  /* Primary Palette — Deep Forest */
  --primary: #072316;
  --primary-container: #1E392A;
  --primary-fixed: #CBEAD4;
  --primary-fixed-dim: #AFCEB9;
  --on-primary: #FFFFFF;
  --on-primary-container: #85A38F;

  /* Surface Palette — Layered Paper */
  --surface: #F8FAF9;
  --surface-container-lowest: #FFFFFF;
  --surface-container-low: #F3F4F3;
  --surface-container: #EDEEED;
  --surface-container-high: #E7E8E7;
  --surface-container-highest: #E1E3E2;
  --surface-dim: #D9DAD9;
  --surface-variant: #E1E3E2;

  /* On Surface */
  --on-surface: #191C1C;
  --on-surface-variant: #424843;

  /* Outline */
  --outline: #727973;
  --outline-variant: #C2C8C1;

  /* Secondary */
  --secondary: #5E5E5E;
  --secondary-container: #E2E2E2;

  /* Tertiary — Earth Clay */
  --tertiary: #321518;
  --tertiary-container: #4B2A2C;

  /* Error */
  --error: #BA1A1A;

  /* Inverse */
  --inverse-surface: #2E3131;
  --inverse-on-surface: #F0F1F0;
  --inverse-primary: #AFCEB9;

  /* Shadows & Overlays */
  --shadow-ambient: hsla(160, 20%, 10%, 0.04);
  --shadow-ambient-strong: hsla(160, 20%, 10%, 0.08);
  --glass-bg: rgba(248, 250, 249, 0.82);

  /* Typography Scale */
  --font-display: 'Pretendard Variable', 'Pretendard', -apple-system, sans-serif;
  --font-body: 'Pretendard Variable', 'Pretendard', -apple-system, sans-serif;

  /* Spacing Scale (8px grid) */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 80px;
  --space-5xl: 120px;

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 200ms;
  --duration-med: 400ms;
  --duration-slow: 600ms;
}

/* ── UTILITIES ── */
.section-inner {
  max-width: 480px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section-eyebrow {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-primary-container);
  margin-bottom: var(--space-md);
}

.section-eyebrow--light {
  color: var(--primary-fixed-dim);
}

.section-headline {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--on-surface);
  margin-bottom: var(--space-lg);
}

.display-headline {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--on-surface);
}

.jokl-radius {
  border-radius: 28px !important;
  overflow: hidden !important;
}

/* ── JÖKL Typography Scale (matched to v2 TABLET: ×2.2) ── */
/* L0 — Primary headline: 샴푸 다음, 뭐 하세요? */
.jokl-h1 {
  font-family: var(--font-display) !important;
  font-size: clamp(70px, 10vw, 97px) !important;
  font-weight: 800 !important;
  line-height: 1.3 !important;
  letter-spacing: -0.03em;
}

/* L1 — Section headline */
.jokl-h2 {
  font-family: var(--font-display) !important;
  font-size: clamp(62px, 9vw, 88px) !important;
  font-weight: 800 !important;
  line-height: 1.22;
  letter-spacing: -0.03em;
}

/* L2 — Feature headline: TOUCH / COOL / BOOST / WRAP */
.jokl-h3 {
  font-family: var(--font-display) !important;
  font-size: clamp(53px, 8vw, 75px) !important;
  font-weight: 700 !important;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

/* L3 — Subline: 서브카피, 체감묘사 */
.jokl-sub {
  font-family: var(--font-body) !important;
  font-size: 28px !important;
  font-weight: 400;
  line-height: 1.49;
}

/* L4 — Body: 본문 설명 */
.jokl-body {
  font-family: var(--font-body) !important;
  font-size: clamp(15px, 1.5vw, 17px) !important;
  font-weight: 400;
  line-height: 1.7;
}

/* Scroll Reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-slow) var(--ease-out), 
              transform var(--duration-slow) var(--ease-out);
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ── TOP BAR ── */
.top-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: box-shadow var(--duration-fast) ease;
}

.top-bar.scrolled {
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}

.top-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 480px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
  height: 56px;
}

.top-bar__logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--primary-container);
  text-decoration: none;
}

.top-bar__menu,
.top-bar__cart {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--on-surface);
  padding: var(--space-sm);
  border-radius: var(--radius-full);
  transition: background var(--duration-fast) ease;
}

.top-bar__menu:hover,
.top-bar__cart:hover {
  background: var(--surface-container-high);
}

/* ── HERO SECTION ── */
.hero {
  padding-top: 56px; /* top bar offset */
}

.hero__image-wrapper {
  position: relative;
  background: linear-gradient(165deg, var(--surface-container-low) 0%, var(--surface-container-high) 100%);
}

.hero__image {
  width: 100%;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__image-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  color: var(--outline);
}

.hero__image-placeholder .material-icons-outlined {
  font-size: 64px;
  opacity: 0.3;
}

.hero__image-dots {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) 0 var(--space-lg);
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--outline-variant);
  transition: all var(--duration-fast) ease;
}

.dot.active {
  width: 20px;
  background: var(--primary-container);
}

.hero__content {
  padding: var(--space-xl) var(--space-lg) var(--space-3xl);
}

.hero__tag {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--on-primary-container);
  margin-bottom: var(--space-md);
}

.hero__title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--on-surface);
  margin-bottom: var(--space-md);
}

.hero__subtitle {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--on-surface-variant);
  margin-bottom: var(--space-xl);
}

.hero__pricing {
  margin-bottom: var(--space-xl);
}

.hero__price-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  margin-bottom: var(--space-xs);
}

.hero__price-original {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--outline);
  text-decoration: line-through;
}

.hero__price-current {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--on-surface);
}

.hero__price-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--on-primary-container);
  font-weight: 500;
}

.hero__details {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.hero__detail-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  color: var(--on-surface-variant);
}

.hero__detail-item .material-icons-outlined {
  font-size: 16px;
  color: var(--on-primary-container);
}

.hero__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-md) var(--space-xl);
  background: var(--primary-container);
  color: var(--on-primary);
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.hero__cta::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.08) 100%);
  opacity: 0;
  transition: opacity var(--duration-fast) ease;
}

.hero__cta:hover {
  background: var(--primary);
  transform: translateY(-1px);
  box-shadow: 0 12px 40px var(--shadow-ambient-strong);
}

.hero__cta:hover::after {
  opacity: 1;
}

.hero__cta:active {
  transform: translateY(0);
}

.hero__cta .material-icons-outlined {
  font-size: 18px;
  transition: transform var(--duration-fast) var(--ease-out);
}

.hero__cta:hover .material-icons-outlined {
  transform: translateX(3px);
}

.hero__assurance {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--outline);
  text-align: center;
  margin-top: var(--space-md);
}

/* ── PROBLEM BRIDGE ── */
.problem-bridge {
  padding: var(--space-5xl) 0;
  background: var(--surface-container-low);
  text-align: center;
}

.problem-bridge .display-headline {
  margin-bottom: var(--space-lg);
}

.problem-bridge__body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--on-surface-variant);
  max-width: 320px;
  margin: 0 auto;
}

/* ── BENEFITS ── */
.benefits {
  padding: var(--space-4xl) 0;
  background: var(--surface);
}

.benefits__timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.benefits__item {
  display: flex;
  gap: var(--space-lg);
}

.benefits__marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
  width: 20px;
  padding-top: 6px;
}

.benefits__marker-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--primary-container);
  flex-shrink: 0;
}

.benefits__marker-line {
  width: 2px;
  flex: 1;
  background: linear-gradient(180deg, var(--primary-fixed-dim) 0%, transparent 100%);
  margin-top: var(--space-sm);
}

.benefits__card {
  flex: 1;
  background: var(--surface-container-lowest);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: box-shadow var(--duration-med) var(--ease-out);
}

.benefits__card:hover {
  box-shadow: 0 12px 40px var(--shadow-ambient);
}

.benefits__period {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-primary-container);
  margin-bottom: var(--space-sm);
}

.benefits__title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--on-surface);
  margin-bottom: var(--space-md);
}

.benefits__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.benefits__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--on-surface-variant);
}

.benefits__list .material-icons-outlined {
  font-size: 18px;
  color: var(--on-primary-container);
  flex-shrink: 0;
  margin-top: 1px;
}

/* ── COMPARISON ── */
.comparison {
  padding: var(--space-4xl) 0;
  background: var(--surface-container-low);
}

.comparison__table {
  margin-top: var(--space-lg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface-container-lowest);
}

.comparison__header {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.comparison__col-label {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 700;
  padding: var(--space-md) var(--space-md);
  background: var(--primary-container);
  color: var(--on-primary);
  text-align: center;
}

.comparison__col-label--other {
  background: var(--surface-container-high);
  color: var(--on-surface-variant);
}

.comparison__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.comparison__row:not(:last-child) {
  /* Using tonal shift instead of border (No-Line Rule) */
  background-image: linear-gradient(
    to right, 
    var(--surface-container-low) 24px, 
    transparent 24px, 
    transparent calc(100% - 24px), 
    var(--surface-container-low) calc(100% - 24px)
  );
  background-size: 100% 1px;
  background-position: bottom;
  background-repeat: no-repeat;
}

.comparison__cell {
  padding: var(--space-md);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  line-height: 1.5;
  display: flex;
  align-items: flex-start;
  gap: 6px;
}

.comparison__cell--us {
  color: var(--on-surface);
}

.comparison__cell--us .material-icons-outlined {
  font-size: 16px;
  color: var(--on-primary-container);
  flex-shrink: 0;
  margin-top: 2px;
}

.comparison__cell--them {
  color: var(--outline);
  background: var(--surface-container-low);
}

.comparison__footer {
  margin-top: var(--space-xl);
  text-align: center;
  padding-bottom: var(--space-sm);
}

.comparison__footer-headline {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--on-surface);
  margin-bottom: var(--space-sm);
}

.comparison__footer-sub {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--on-surface-variant);
}

/* ── TECHNOLOGY / UVP ── */
.technology__hero {
  background: linear-gradient(165deg, var(--primary) 0%, var(--primary-container) 100%);
  padding: var(--space-4xl) 0;
}

.technology__headline {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--on-primary);
  margin-bottom: var(--space-md);
}

.technology__subtitle {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--primary-fixed-dim);
  margin-bottom: var(--space-xl);
}

.technology__cta-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary-fixed);
  text-decoration: none;
  transition: gap var(--duration-fast) var(--ease-out);
}

.technology__cta-link:hover {
  gap: var(--space-md);
}

.technology__cta-link .material-icons-outlined {
  font-size: 18px;
}

.technology__features {
  padding: var(--space-3xl) 0;
  background: var(--surface);
}

.technology__features .section-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.technology__feature-card {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: box-shadow var(--duration-med) var(--ease-out);
}

.technology__feature-card:hover {
  box-shadow: 0 12px 40px var(--shadow-ambient);
}

.technology__feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--primary-fixed);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.technology__feature-icon .material-icons-outlined {
  font-size: 24px;
  color: var(--primary-container);
}

.technology__feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--on-surface);
  margin-bottom: var(--space-sm);
}

.technology__feature-card p {
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--on-surface-variant);
}

/* ── MATERIAL / INGREDIENTS ── */
.material {
  padding: var(--space-4xl) 0;
  background: var(--surface-container-low);
}

.material__tabs {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.material__tab {
  flex: 1;
  padding: var(--space-md);
  background: var(--surface-container-highest);
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--on-surface-variant);
  cursor: pointer;
  transition: all var(--duration-fast) ease;
}

.material__tab.active {
  background: var(--primary-container);
  color: var(--on-primary);
}

.material__tab:not(.active):hover {
  background: var(--surface-dim);
}

.material__panel {
  display: none;
  animation: fadeIn var(--duration-med) var(--ease-out);
}

.material__panel.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.material__spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.material__spec-item {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  transition: box-shadow var(--duration-med) var(--ease-out);
}

.material__spec-item:hover {
  box-shadow: 0 12px 40px var(--shadow-ambient);
}

.material__spec-item .material-icons-outlined {
  font-size: 28px;
  color: var(--on-primary-container);
  margin-bottom: var(--space-sm);
}

.material__spec-item h4 {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--on-surface);
  margin-bottom: var(--space-xs);
}

.material__spec-item p {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--on-surface-variant);
}

.material__detail-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--surface-container-lowest);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.material__detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  background: var(--surface-container-lowest);
}

.material__detail-row:nth-child(even) {
  background: var(--surface-container-low);
}

.material__detail-label {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--on-surface-variant);
}

.material__detail-value {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  color: var(--on-surface);
  text-align: right;
}

/* ── HOW TO USE ── */
.how-to-use {
  padding: var(--space-4xl) 0;
  background: var(--surface);
}

.how-to-use__steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.how-to-use__step {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.how-to-use__step-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-fixed-dim);
  flex-shrink: 0;
  width: 52px;
  line-height: 1;
  padding-top: 4px;
}

.how-to-use__step-content {
  flex: 1;
  padding-bottom: var(--space-lg);
  /* Tonal separator instead of border (No-Line Rule) */
  background-image: linear-gradient(
    to right, 
    transparent 0%, 
    var(--surface-container-high) 20%, 
    var(--surface-container-high) 80%, 
    transparent 100%
  );
  background-size: 100% 1px;
  background-position: bottom;
  background-repeat: no-repeat;
}

.how-to-use__step:last-child .how-to-use__step-content {
  background-image: none;
  padding-bottom: 0;
}

.how-to-use__step-content h3 {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--on-surface);
  margin-bottom: var(--space-sm);
}

.how-to-use__step-content p {
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--on-surface-variant);
}

/* ── TRUST ── */
.trust {
  padding: var(--space-4xl) 0;
  background: var(--surface-container-low);
}

.trust__cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.trust__card {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: box-shadow var(--duration-med) var(--ease-out);
}

.trust__card:hover {
  box-shadow: 0 12px 40px var(--shadow-ambient);
}

.trust__card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--primary-fixed);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.trust__card-icon .material-icons-outlined {
  font-size: 22px;
  color: var(--primary-container);
}

.trust__card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--on-surface);
  margin-bottom: var(--space-sm);
}

.trust__card p {
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--on-surface-variant);
}

/* ── CTA SECTION ── */
.cta-section {
  padding: var(--space-5xl) 0;
  background: var(--surface);
  text-align: center;
}

.cta-section__emotion {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--on-surface-variant);
  margin-bottom: var(--space-xl);
}

.cta-section__headline {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--on-surface);
  margin-bottom: var(--space-2xl);
}

.cta-section__price-box {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: 0 12px 40px var(--shadow-ambient);
}

.cta-section__price-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.cta-section__price-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--on-primary-container);
}

.cta-section__price-original {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  color: var(--outline);
  text-decoration: line-through;
  margin-right: var(--space-sm);
}

.cta-section__price-current {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--on-surface);
}

.cta-section__button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-md) var(--space-xl);
  background: var(--primary-container);
  color: var(--on-primary);
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}

.cta-section__button:hover {
  background: var(--primary);
  transform: translateY(-1px);
  box-shadow: 0 12px 40px var(--shadow-ambient-strong);
}

.cta-section__button:active {
  transform: translateY(0);
}

.cta-section__button .material-icons-outlined {
  font-size: 18px;
  transition: transform var(--duration-fast) var(--ease-out);
}

.cta-section__button:hover .material-icons-outlined {
  transform: translateX(3px);
}

.cta-section__assurance {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--outline);
  margin-top: var(--space-md);
}

/* ── FAQ ── */
.faq {
  padding: var(--space-4xl) 0;
  background: var(--surface-container-low);
}

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

.faq__item {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--duration-med) var(--ease-out);
}

.faq__item[open] {
  box-shadow: 0 8px 32px var(--shadow-ambient);
}

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--on-surface);
  list-style: none;
  user-select: none;
  transition: background var(--duration-fast) ease;
}

.faq__question::-webkit-details-marker {
  display: none;
}

.faq__question:hover {
  background: var(--surface-container-low);
}

.faq__icon {
  font-size: 20px;
  color: var(--outline);
  transition: transform var(--duration-fast) var(--ease-out);
}

.faq__item[open] .faq__icon {
  transform: rotate(180deg);
}

.faq__answer {
  padding: 0 var(--space-lg) var(--space-lg);
  animation: faqSlide var(--duration-med) var(--ease-out);
}

@keyframes faqSlide {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.faq__answer p {
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--on-surface-variant);
}

/* ── FOOTER ── */
.footer {
  padding: var(--space-3xl) 0 calc(var(--space-3xl) + 72px);
  background: var(--inverse-surface);
  text-align: center;
}

.footer__brand {
  margin-bottom: var(--space-xl);
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--inverse-primary);
}

.footer__tagline {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--inverse-on-surface);
  margin-top: var(--space-sm);
  opacity: 0.6;
}

.footer__links {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.footer__links a {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  color: var(--inverse-on-surface);
  text-decoration: none;
  opacity: 0.7;
  transition: opacity var(--duration-fast) ease;
}

.footer__links a:hover {
  opacity: 1;
}

.footer__copy {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--inverse-on-surface);
  opacity: 0.4;
}

/* ── STICKY CTA ── */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 -4px 40px var(--shadow-ambient);
  transform: translateY(100%);
  transition: transform var(--duration-med) var(--ease-out);
}

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

.sticky-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 480px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
  gap: var(--space-md);
}

.sticky-cta__info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sticky-cta__name {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--on-surface-variant);
}

.sticky-cta__price {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--on-surface);
}

.sticky-cta__button {
  padding: var(--space-md) var(--space-xl);
  background: var(--primary-container);
  color: var(--on-primary);
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--duration-fast) var(--ease-out);
}

.sticky-cta__button:hover {
  background: var(--primary);
}

.sticky-cta__button:active {
  transform: scale(0.97);
}

/* ── DESKTOP (Responsive) ── */
@media (min-width: 768px) {
  .section-inner {
    max-width: 720px;
  }

  .hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 80px;
  }

  .hero__image-wrapper {
    border-radius: 0 0 var(--radius-xl) 0;
    min-height: 600px;
  }

  .hero__image {
    aspect-ratio: auto;
    height: 100%;
  }

  .hero__content {
    padding: var(--space-4xl) var(--space-3xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .hero__title {
    font-size: 2.5rem;
  }

  .display-headline {
    font-size: 3.5rem;
  }

  .section-headline {
    font-size: 2.25rem;
  }

  .material__spec-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .comparison__table {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }

  .sticky-cta__inner {
    max-width: 720px;
  }
}

@media (min-width: 1024px) {
  .section-inner {
    max-width: 960px;
  }

  .technology__features .section-inner {
    flex-direction: row;
    gap: var(--space-xl);
  }

  .technology__feature-card {
    flex: 1;
  }

  .trust__cards {
    flex-direction: row;
  }

  .trust__card {
    flex: 1;
  }
}