/* ═══════════════════════════════════════
   DESIGN TOKENS
   ═══════════════════════════════════════ */
:root {
  --blue-50: #F0F7FF;
  --blue-100: #E0EFFF;
  --blue-200: #B8D9FC;
  --blue-300: #8DC5F0;
  --blue-400: #5BA8E6;
  --blue-500: #3B8DD4;
  --blue-600: #2A6FB0;
  --blue-700: #1E5490;
  --lavender: #9B8FD4;
  --lavender-light: #C4BCEB;
  --lavender-pale: #EEEAFF;

  --white: #FFFFFF;
  --green-400: #34D399;
  --green-500: #10B981;

  /* Semantic — Brand */
  --color-brand-primary: var(--blue-400);
  --color-brand-primary-hover: var(--blue-500);
  --color-brand-secondary: var(--lavender);

  /* Semantic — Surface */
  --color-surface-page: #F8FBFF;
  --color-surface-base: #FFFFFF;
  --color-surface-raised: #FFFFFF;
  --color-surface-overlay: rgba(15,29,47,0.6);
  --color-surface-subtle: #F1F5FB;

  /* Semantic — Text */
  --color-text-primary: #0F1D2F;
  --color-text-secondary: #3B4F68;
  --color-text-disabled: #94A3B8;
  --color-text-inverse: #FFFFFF;
  --color-text-placeholder: #94A3B8;

  /* Semantic — Border */
  --color-border-default: rgba(91,168,230,0.12);
  --color-border-strong: rgba(91,168,230,0.20);
  --color-border-focus: var(--blue-400);
  --color-border-subtle: rgba(91,168,230,0.06);

  /* Semantic — Status */
  --color-semantic-error: #ef4444;
  --color-semantic-error-bg: rgba(239,68,68,0.10);
  --color-semantic-error-text: #dc2626;
  --color-semantic-warning: #f59e0b;
  --color-semantic-warning-bg: rgba(245,158,11,0.10);
  --color-semantic-warning-text: #b45309;
  --color-semantic-success: var(--green-500);
  --color-semantic-success-bg: rgba(16,185,129,0.10);
  --color-semantic-success-text: #047857;
  --color-semantic-info: var(--blue-400);
  --color-semantic-info-bg: var(--blue-50);
  --color-semantic-info-text: var(--blue-600);

  /* Font Family */
  --font-sans: 'Outfit', 'Noto Sans TC', -apple-system, sans-serif;
  --font-mono: 'Outfit', ui-monospace, monospace;
  --font-serif: 'Noto Serif TC', Georgia, serif;

  /* Blog Category */
  --blog-a-bg: #E8F2FF;
  --blog-a-text: #4A8EDF;
  --blog-b-bg: #EEFBF4;
  --blog-b-text: #2D9D6E;
  --blog-c-bg: #FFF0F5;
  --blog-c-text: #FF6B9D;


  --shadow-sm: 0 1px 3px rgba(15,29,47,0.04), 0 1px 2px rgba(15,29,47,0.02);
  --shadow-md: 0 4px 16px rgba(15,29,47,0.06), 0 2px 6px rgba(15,29,47,0.03);
  --shadow-lg: 0 12px 40px rgba(15,29,47,0.08), 0 4px 12px rgba(15,29,47,0.04);
  --shadow-xl: 0 24px 64px rgba(15,29,47,0.1), 0 8px 24px rgba(15,29,47,0.05);
  --shadow-blue: 0 8px 32px rgba(91,168,230,0.2);
  --shadow-blue-lg: 0 16px 48px rgba(91,168,230,0.25);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 100px;

  --fs-2xs: 10px;
  --fs-xs: 11px;
  --fs-sm: 12px;
  --fs-base: 13px;
  --fs-md: 14px;
  --fs-std: 15px;
  --fs-lg: 16px;
  --fs-xl: 17px;
  --fs-2xl: 18px;
  --fs-3xl: 20px;
  --fs-4xl: 22px;
  --fs-5xl: 28px;
  --fs-display: 48px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ═══════════════════════════════════════
   RESET & BASE
   ═══════════════════════════════════════ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  background: var(--color-surface-page);
  color: var(--color-text-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

/* Noise texture overlay for depth */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  opacity: 0.018;
  pointer-events: none;
  z-index: 9999;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

/* ═══════════════════════════════════════
   TYPOGRAPHY
   ═══════════════════════════════════════ */
.font-display {
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* ═══════════════════════════════════════
   SHARED COMPONENTS
   ═══════════════════════════════════════ */
.section-inner {
  max-width: 1080px;
  margin: 0 auto;
}

section {
  padding: 100px 48px;
  position: relative;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-400);
  background: var(--blue-100);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}

.section-title {
  font-family: var(--font-sans);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-lead {
  font-size: var(--fs-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 48px;
}

/* Primary CTA Button */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--blue-400) 0%, var(--blue-500) 100%);
  color: white;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-size: var(--fs-std);
  font-weight: 600;
  letter-spacing: 0.02em;
  border: none;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  box-shadow: var(--shadow-blue), inset 0 1px 0 rgba(255,255,255,0.15);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue-lg), inset 0 1px 0 rgba(255,255,255,0.2);
}
.btn-primary:hover::before { opacity: 1; }
.btn-primary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(91,168,230,0.4);
}
.btn-primary:active { transform: translateY(0); }

/* Secondary CTA Button */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--blue-500);
  font-size: var(--fs-std);
  font-weight: 500;
  padding: 14px 8px;
  transition: all 0.25s var(--ease-out);
  border-bottom: 1.5px solid transparent;
}
.btn-secondary:hover {
  color: var(--blue-600);
  border-bottom-color: var(--blue-400);
}
.btn-secondary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(91,168,230,0.4);
  border-radius: var(--radius-sm);
}
.btn-secondary svg {
  width: 16px;
  height: 16px;
  transition: transform 0.25s var(--ease-out);
}
.btn-secondary:hover svg { transform: translateY(2px); }

/* White CTA */
.btn-white {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: white;
  color: var(--blue-500);
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-size: var(--fs-std);
  font-weight: 600;
  transition: all 0.3s var(--ease-out);
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}
.btn-white:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(91,168,230,0.4);
}

/* Glass Card */
.glass-card {
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all 0.35s var(--ease-out);
}
.glass-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-strong);
  transform: translateY(-2px);
}

/* ═══════════════════════════════════════
   NAV
   ═══════════════════════════════════════ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 48px;
  background: rgba(248,251,255,0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 0 var(--color-border-default);
  transition: all 0.3s var(--ease-out);
}
nav.scrolled {
  padding: 12px 48px;
  box-shadow:
    0 1px 0 0 var(--color-border-default),
    var(--shadow-sm);
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  transition: opacity 0.2s;
}
.nav-logo img {
  height: 32px;
  width: auto;
}
.nav-logo:hover { opacity: 0.8; }

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}
.nav-links a:not(.nav-cta) {
  color: var(--color-text-secondary);
  font-size: var(--fs-md);
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color 0.2s;
  position: relative;
}
.nav-links a:not(.nav-cta):hover { color: var(--color-text-primary); }
.nav-links a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--blue-400);
  transition: width 0.25s var(--ease-out);
}
.nav-links a:not(.nav-cta):hover::after { width: 100%; }

.nav-cta {
  background: var(--blue-400);
  color: var(--color-text-inverse);
  padding: 9px 22px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--fs-base);
  transition: all 0.25s var(--ease-out);
  box-shadow: 0 2px 8px rgba(91,168,230,0.2);
}
.nav-cta:hover {
  background: var(--blue-500);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(91,168,230,0.3);
}
.nav-cta:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(91,168,230,0.4);
}

/* Hamburger button (mobile only) */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  position: relative;
  z-index: 200;
}
.nav-hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: transform 0.3s var(--ease-out), opacity 0.3s;
}
.nav-hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ═══════════════════════════════════════
   HERO
   ═══════════════════════════════════════ */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 48px 100px;
  position: relative;
  overflow: hidden;
  background: var(--color-surface-page);
}

/* Gradient mesh background */
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}
.hero-bg-img {
  position: absolute;
  right: -5%;
  top: 0;
  width: 55%;
  height: 100%;
  object-fit: cover;
  opacity: 0.12;
  mask-image: linear-gradient(to left, rgba(0,0,0,0.6) 0%, transparent 80%);
  -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,0.6) 0%, transparent 80%);
  filter: saturate(0.4) brightness(1.1);
}
.hero-bg::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  top: -10%; right: -5%;
  background: radial-gradient(circle, rgba(91,168,230,0.12) 0%, transparent 70%);
  border-radius: 50%;
  animation: float-slow 20s ease-in-out infinite;
}
.hero-bg::after {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  bottom: -15%; left: -5%;
  background: radial-gradient(circle, rgba(155,143,212,0.1) 0%, transparent 70%);
  border-radius: 50%;
  animation: float-slow 25s ease-in-out infinite reverse;
}

.hero-layout {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 80px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.hero-content {
  flex: 1;
  animation: hero-enter 1s var(--ease-out) both;
}

.hero-eyebrow {
  font-size: var(--fs-md);
  font-weight: 500;
  color: var(--blue-400);
  letter-spacing: 0.06em;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-eyebrow::before {
  content: '';
  width: 24px;
  height: 1.5px;
  background: var(--blue-300);
  flex-shrink: 0;
}

.hero-title {
  font-family: var(--font-sans);
  font-size: clamp(36px, 5.5vw, 56px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--color-text-primary);
  margin-bottom: 24px;
}
.hero-title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--blue-400), var(--lavender));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--fs-2xl);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
  max-width: 420px;
}

.hero-slogan {
  font-size: var(--fs-std);
  font-weight: 500;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 420px;
}
.hero-slogan span {
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  font-weight: 400;
  color: var(--color-text-disabled);
  letter-spacing: 0.03em;
}

.hero-actions {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

/* Hero Visual - App Mockup */
.hero-visual {
  flex-shrink: 0;
  width: min(520px, 45vw);
  animation: hero-visual-enter 1.2s 0.3s var(--ease-out) both;
}

.phone-carousel {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 400px;
}

.phone-item {
  flex-shrink: 0;
  width: 90px;
  height: 180px;
  border-radius: 22px;
  overflow: hidden;
  background: var(--blue-50);
  box-shadow:
    0 0 0 2px rgba(91,168,230,0.12),
    var(--shadow-sm);
  cursor: pointer;
  transition: all 0.5s var(--ease-out);
  opacity: 0.4;
  filter: blur(1px) saturate(0.5);
  transform: scale(0.88);
}
.phone-item.near {
  width: 110px;
  height: 230px;
  opacity: 0.65;
  filter: blur(0) saturate(0.7);
  transform: scale(0.94);
  border-radius: 26px;
}
.phone-item.active {
  width: 170px;
  height: 360px;
  opacity: 1;
  filter: blur(0) saturate(1);
  transform: scale(1);
  z-index: 2;
  border-radius: 32px;
  box-shadow:
    0 0 0 2px rgba(91,168,230,0.25),
    0 0 0 6px rgba(91,168,230,0.08),
    var(--shadow-xl);
}
.phone-item:focus-visible {
  outline: none;
  box-shadow:
    0 0 0 3px rgba(91,168,230,0.4);
}
.phone-item:hover:not(.active) {
  opacity: 0.75;
  filter: blur(0) saturate(0.8);
  transform: scale(0.95);
}
.phone-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ═══════════════════════════════════════
   MECHANISM STRIP
   ═══════════════════════════════════════ */
#mechanism {
  background: var(--color-surface-base);
  border-top: 1px solid var(--color-border-default);
  border-bottom: 1px solid var(--color-border-default);
  padding: 0 48px;
}

.mechanism-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 900px;
  margin: 0 auto;
}

.mechanism-item {
  padding: 32px 24px;
  text-align: center;
  position: relative;
  transition: background 0.3s;
}
.mechanism-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0; top: 20%; bottom: 20%;
  width: 1px;
  background: var(--color-border-default);
}
.mechanism-item:hover {
  background: var(--blue-50);
}

.mechanism-number {
  font-family: var(--font-sans);
  font-size: var(--fs-5xl);
  font-weight: 700;
  color: var(--blue-400);
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.mechanism-label {
  font-size: var(--fs-base);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ═══════════════════════════════════════
   HOW IT WORKS — Carousel
   ═══════════════════════════════════════ */
#how { background: var(--color-surface-page); }

.steps-carousel {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
}

.steps-track {
  display: flex;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: var(--color-surface-base);
  box-shadow:
    0 0 0 1px var(--color-border-default),
    var(--shadow-lg);
}

.step-slide {
  min-width: 100%;
  padding: 48px 40px;
  display: flex;
  align-items: center;
  gap: 36px;
  transition: transform 0.5s var(--ease-out);
}

.step-slide-icon {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-100), var(--lavender-pale));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.step-slide-icon svg {
  width: 36px; height: 36px;
  color: var(--blue-500);
}

.step-slide-content { flex: 1; }

.step-slide-num {
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--blue-400);
  margin-bottom: 8px;
}

.step-slide-title {
  font-family: var(--font-sans);
  font-size: var(--fs-4xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 10px;
}

.step-slide-desc {
  font-size: var(--fs-std);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.step-slide-note {
  font-size: var(--fs-sm);
  color: var(--color-text-disabled);
  line-height: 1.7;
  margin-top: 10px;
}

/* Carousel dots + arrows */
.steps-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 24px;
}

.steps-dots {
  display: flex;
  gap: 8px;
}

.step-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--blue-200);
  border: none;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  padding: 0;
}
.step-dot.active {
  background: var(--blue-400);
  width: 28px;
  border-radius: var(--radius-full);
}
.step-dot:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(91,168,230,0.4);
}

.step-arrow-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1.5px solid var(--color-border-strong);
  background: var(--color-surface-base);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: all 0.25s var(--ease-out);
}
.step-arrow-btn:hover {
  background: var(--blue-50);
  border-color: var(--blue-300);
  color: var(--blue-500);
}
.step-arrow-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(91,168,230,0.4);
}
.step-arrow-btn svg {
  width: 18px; height: 18px;
}

/* Mini step progress bar */
.steps-progress {
  display: flex;
  gap: 4px;
  max-width: 720px;
  margin: 16px auto 0;
}
.steps-progress-item {
  flex: 1;
  height: 3px;
  border-radius: 3px;
  background: var(--blue-100);
  transition: background 0.3s;
}
.steps-progress-item.done {
  background: var(--blue-400);
}
.steps-progress-item.current {
  background: linear-gradient(90deg, var(--blue-400), var(--blue-200));
}

/* ═══════════════════════════════════════
   BONUS: 解鎖更多可能
   ═══════════════════════════════════════ */
#bonus {
  background: var(--color-surface-base);
}

.bonus-card {
  background: linear-gradient(135deg, var(--blue-50) 0%, var(--lavender-pale) 100%);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.bonus-card::before {
  content: '';
  position: absolute;
  top: -50%; right: -30%;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(155,143,212,0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.bonus-tag {
  display: inline-flex;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--lavender);
  background: rgba(155,143,212,0.12);
  padding: 5px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  position: relative;
}

.bonus-title {
  font-family: var(--font-sans);
  font-size: var(--fs-5xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 8px;
  position: relative;
}

.bonus-subtitle {
  font-size: var(--fs-lg);
  font-weight: 600;
  color: var(--lavender);
  margin-bottom: 16px;
  position: relative;
}

.bonus-desc {
  font-size: var(--fs-std);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 420px;
  margin: 0 auto;
  position: relative;
}

/* ═══════════════════════════════════════
   CTA BAND
   ═══════════════════════════════════════ */
.cta-band {
  padding: 64px 48px;
  text-align: center;
}
.cta-band.subtle {
  background: var(--color-surface-subtle);
}
.cta-band.warm {
  background: linear-gradient(135deg, var(--blue-400) 0%, var(--blue-600) 50%, var(--lavender) 100%);
  color: white;
  position: relative;
  overflow: hidden;
}
.cta-band.warm .cta-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
  filter: saturate(0) brightness(1.2);
}
.cta-band.warm::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: 0.05;
}

/* Subtle CTA with photo */
.cta-band.subtle {
  background: var(--color-surface-subtle);
  position: relative;
  overflow: hidden;
}
.cta-band.subtle .cta-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  filter: saturate(0.5);
}

/* ═══════════════════════════════════════
   LIFESTYLE GALLERY STRIP
   ═══════════════════════════════════════ */
.lifestyle-strip {
  display: flex;
  overflow: hidden;
  height: 200px;
  gap: 0;
}
.lifestyle-strip img {
  flex: 1;
  min-width: 0;
  object-fit: cover;
  height: 100%;
  filter: saturate(0.75) brightness(0.95);
  transition: all 0.5s var(--ease-out);
}
.lifestyle-strip img:hover {
  filter: saturate(1) brightness(1);
  flex: 1.5;
}

/* ═══════════════════════════════════════
   ABOUT with side image
   ═══════════════════════════════════════ */
.about-layout {
  display: flex;
  gap: 48px;
  align-items: center;
  max-width: 900px;
  margin: 0 auto;
}
.about-text { flex: 1; }
.about-image-wrapper {
  flex-shrink: 0;
  width: 280px;
  height: 360px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
}
.about-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85);
}
.about-image-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(91,168,230,0.1) 0%, transparent 50%);
  border-radius: var(--radius-xl);
}

.cta-band h2 {
  font-family: var(--font-sans);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 28px;
  position: relative;
}
.cta-band.subtle h2 { color: var(--color-text-secondary); }
.cta-band .btn-primary,
.cta-band .btn-white { position: relative; }

/* ═══════════════════════════════════════
   TRUST
   ═══════════════════════════════════════ */
#trust { background: var(--color-surface-page); }

.trust-top-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.trust-card-top {
  background: var(--color-surface-base);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: all 0.35s var(--ease-out);
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 0 1px var(--color-border-default);
}
.trust-card-top::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-300), var(--blue-400));
  opacity: 0;
  transition: opacity 0.3s;
}
.trust-card-top:hover {
  transform: translateY(-4px);
  box-shadow:
    0 0 0 1px var(--color-border-default),
    var(--shadow-lg);
}
.trust-card-top:hover::before { opacity: 1; }

.trust-step-label {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--blue-400);
  background: var(--blue-50);
  display: inline-flex;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.trust-card-icon {
  width: 48px; height: 48px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-100), var(--lavender-pale));
  display: flex;
  align-items: center;
  justify-content: center;
}
.trust-card-icon svg {
  width: 22px; height: 22px;
  color: var(--blue-500);
}

.trust-card-title {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.trust-card-desc {
  font-size: var(--fs-md);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* Trust Bottom Features */
.trust-bottom-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}

.trust-feature {
  background: var(--color-surface-base);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  transition: all 0.3s var(--ease-out);
  box-shadow: 0 0 0 1px var(--color-border-default);
}
.trust-feature:hover {
  box-shadow:
    0 0 0 1px var(--blue-200),
    var(--shadow-sm);
}

.trust-feature-title {
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.trust-feature-title::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--blue-400);
  flex-shrink: 0;
}

.trust-feature-desc {
  font-size: var(--fs-base);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* Trust Summary */
.trust-summary {
  display: flex;
  gap: 24px;
  align-items: center;
  justify-content: center;
  padding: 20px 32px;
  background: var(--blue-50);
  border-radius: var(--radius-lg);
  margin-bottom: 40px;
}

.trust-summary-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-md);
  color: var(--color-text-secondary);
}
.trust-summary-item strong {
  color: var(--blue-500);
  font-weight: 700;
}
.trust-summary-icon {
  width: 28px; height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.trust-summary-icon svg {
  width: 18px; height: 18px;
  color: var(--blue-400);
}

/* Profile Cards */
.profile-carousel {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: center;
  perspective: 800px;
}

.profile-card {
  min-width: 240px;
  max-width: 280px;
  background: var(--color-surface-base);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  transition: all 0.45s var(--ease-out);
  opacity: 0.55;
  transform: scale(0.92);
  filter: blur(0.5px);
  cursor: pointer;
  box-shadow: 0 0 0 1px var(--color-border-default);
}
.profile-card.active {
  opacity: 1;
  transform: scale(1);
  filter: blur(0);
  box-shadow:
    0 0 0 1px var(--blue-200),
    var(--shadow-lg);
}
.profile-card:focus-visible {
  outline: none;
  box-shadow:
    0 0 0 3px rgba(91,168,230,0.4);
}
.profile-card:hover {
  opacity: 1;
  transform: scale(1);
  filter: blur(0);
}

.profile-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 14px;
}

.profile-name {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 2px;
}
.profile-meta {
  font-size: var(--fs-sm);
  color: var(--color-text-disabled);
}

.profile-rating {
  font-family: var(--font-sans);
  font-size: var(--fs-3xl);
  font-weight: 700;
  color: var(--blue-400);
  line-height: 1;
}

.profile-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.profile-tag {
  font-size: var(--fs-sm);
  padding: 4px 12px;
  background: var(--blue-50);
  color: var(--blue-500);
  border-radius: var(--radius-full);
  font-weight: 500;
}

.profile-verified {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.verified-item {
  font-size: var(--fs-sm);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}
.verified-check {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green-400), var(--green-500));
  color: white;
  font-size: var(--fs-2xs);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════
   TESTIMONIALS
   ═══════════════════════════════════════ */
#testimonials { background: var(--color-surface-base); }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.testimonial-card {
  background: var(--color-surface-page);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all 0.3s var(--ease-out);
  position: relative;
  box-shadow: 0 0 0 1px var(--color-border-default);
}
.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 16px; left: 20px;
  font-family: var(--font-sans);
  font-size: var(--fs-display);
  line-height: 1;
  color: var(--blue-100);
  font-weight: 700;
}
.testimonial-card:hover {
  box-shadow:
    0 0 0 1px var(--blue-200),
    var(--shadow-md);
  transform: translateY(-2px);
}

.testimonial-quote {
  font-size: var(--fs-std);
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
  position: relative;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-200), var(--lavender-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-md);
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.author-name {
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--color-text-primary);
}
.author-meta {
  font-size: var(--fs-sm);
  color: var(--color-text-disabled);
}

/* ═══════════════════════════════════════
   FAQ
   ═══════════════════════════════════════ */
#faq { background: var(--color-surface-page); }

.faq-list {
  max-width: 680px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border-default);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
  font-family: var(--font-sans);
  font-size: var(--fs-std);
  font-weight: 600;
  color: var(--color-text-primary);
  text-align: left;
  transition: color 0.2s;
  gap: 16px;
}
.faq-question:hover { color: var(--blue-500); }
.faq-question:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(91,168,230,0.4);
  border-radius: var(--radius-sm);
}

.faq-icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--blue-50);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-400);
  font-size: var(--fs-lg);
  flex-shrink: 0;
  transition: all 0.3s var(--ease-out);
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--blue-400);
  color: white;
}

.faq-answer {
  font-size: var(--fs-md);
  color: var(--color-text-secondary);
  line-height: 1.8;
  padding-bottom: 22px;
  display: none;
  animation: fade-in 0.3s var(--ease-out);
}
.faq-item.open .faq-answer { display: block; }

/* ═══════════════════════════════════════
   ABOUT
   ═══════════════════════════════════════ */
#about {
  background: var(--color-surface-base);
}

.about-quote {
  font-family: var(--font-sans);
  font-size: clamp(18px, 2.5vw, 26px);
  font-weight: 400;
  color: var(--blue-500);
  line-height: 1.7;
  max-width: 560px;
  margin: 0 0 40px;
  position: relative;
}
.about-quote::before {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: var(--blue-200);
  margin: 0 0 24px;
}

.about-body {
  font-size: var(--fs-std);
  color: var(--color-text-secondary);
  line-height: 1.9;
  max-width: 560px;
  margin: 0 0 24px;
}
.about-signature {
  margin-top: 32px;
  font-size: var(--fs-std);
  color: var(--color-text-secondary);
}
.about-signature em {
  font-style: italic;
  color: var(--color-text-disabled);
  font-size: var(--fs-md);
}

.about-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
  font-size: var(--fs-base);
  color: var(--color-text-disabled);
  margin-top: 48px;
  text-align: center;
}
.about-meta strong {
  color: var(--color-text-secondary);
  font-size: var(--fs-md);
}
.about-meta a {
  color: var(--blue-400);
  transition: color 0.2s;
}
.about-meta a:hover { color: var(--blue-500); }

.about-quote-highlight {
  font-size: var(--fs-2xl);
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.8;
  margin-bottom: 24px;
  padding-left: 16px;
  border-left: 3px solid var(--blue-400);
}
.about-closing-quote {
  font-style: italic;
  color: var(--color-text-primary);
}
.about-company-info {
  margin-top: 64px;
  text-align: center;
  padding: 24px 0;
  border-top: 1px solid var(--color-border-default);
}
.about-company-info p { margin-bottom: 4px; }
.about-company-info p:last-child { margin-bottom: 0; }
.about-company-info strong { color: var(--color-text-primary); }

/* Skip navigation */
.skip-nav {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-nav:focus {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 10000;
  width: auto;
  height: auto;
  padding: 12px 24px;
  background: var(--blue-600);
  color: var(--color-text-inverse);
  border-radius: var(--radius-md);
  font-size: var(--fs-md);
  font-weight: 600;
  text-decoration: none;
}

/* ═══════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════ */
footer {
  background: var(--color-text-primary);
  padding: 40px 48px;
  text-align: center;
}

.footer-logo {
  font-family: var(--font-sans);
  font-size: var(--fs-3xl);
  font-weight: 700;
  color: white;
  margin-bottom: 16px;
  display: block;
}

.footer-links {
  margin-bottom: 12px;
  font-size: var(--fs-base);
}
.footer-links a {
  color: rgba(255,255,255,0.5);
  transition: color 0.2s;
}
.footer-links a:hover { color: rgba(255,255,255,0.8); }

.footer-copy {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.35);
}

/* ═══════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════ */
@keyframes hero-enter {
  from { opacity: 0; transform: translateY(32px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes hero-visual-enter {
  from { opacity: 0; transform: translateY(40px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes float-slow {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -30px); }
}
@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Scroll animation */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
/* Stagger children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}
.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0s; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.08s; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.16s; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.24s; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 0.32s; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 0.4s; opacity: 1; transform: translateY(0); }

/* ═══════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════ */
/* ═══════════════════════════════════════
   ABOUT PAGE
   ═══════════════════════════════════════ */
.about-page {
  padding: 120px 48px 80px;
  max-width: 900px;
  margin: 0 auto;
}
.about-page h1 {
  font-family: var(--font-sans);
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.about-page .about-subtitle {
  font-size: var(--fs-std);
  color: var(--color-text-secondary);
  margin-bottom: 48px;
  line-height: 1.7;
}
.about-page .gradient-text {
  background: linear-gradient(135deg, var(--blue-400), var(--lavender));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Mission banner */
.about-mission {
  background: var(--color-text-primary);
  padding: 32px 36px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 64px;
}
.about-mission-icon {
  flex-shrink: 0;
  width: 48px; height: 48px;
  background: rgba(91,168,230,0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-mission h3 {
  font-size: var(--fs-2xl);
  font-weight: 700;
  color: var(--color-text-inverse);
  margin-bottom: 4px;
}
.about-mission p {
  font-size: var(--fs-md);
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
}

/* Story section */
.about-page h2 {
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 48px 0 16px;
  letter-spacing: -0.01em;
}
.about-page h2 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--blue-400), var(--lavender));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.about-page p {
  font-size: var(--fs-std);
  color: var(--color-text-secondary);
  line-height: 1.9;
  margin-bottom: 14px;
}

/* Founders grid */
.founders-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 24px;
}
.founder-card {
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  box-shadow:
    0 0 0 1px var(--color-border-default),
    var(--shadow-sm);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s;
}
.founder-card:hover {
  transform: translateY(-2px);
  box-shadow:
    0 0 0 1px var(--color-border-default),
    var(--shadow-md);
}
.founder-avatar {
  width: 56px; height: 56px;
  min-width: 56px;
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 2px solid rgba(91,168,230,0.2);
  background: var(--blue-50);
  display: flex;
  align-items: center;
  justify-content: center;
}
.founder-avatar svg { display: block; }
.founder-info { flex: 1; }
.founder-name {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 2px;
}
.founder-name-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 2px;
}
.linkedin-link {
  display: inline-flex;
  align-items: center;
  color: var(--blue-400);
  transition: color 0.2s;
}
.linkedin-link:hover { color: var(--blue-600); }
.founder-title {
  font-size: var(--fs-sm);
  color: var(--color-text-disabled);
  margin-bottom: 8px;
}
.founder-role-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--blue-50);
  color: var(--blue-500);
  font-size: var(--fs-xs);
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 10px;
  border: 1px solid rgba(91,168,230,0.2);
}
.resp-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.resp-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-base);
  color: var(--color-text-secondary);
}
.resp-list .resp-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-400), var(--lavender));
  flex-shrink: 0;
}

/* Values grid */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 24px;
}
.value-card {
  background: rgba(255,255,255,0.7);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s;
  box-shadow: 0 0 0 1px var(--color-border-default);
}
.value-card:hover {
  transform: translateY(-2px);
  box-shadow:
    0 0 0 1px var(--color-border-default),
    var(--shadow-md);
}
.value-icon-wrap {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: var(--blue-50);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.value-card h3 {
  font-size: var(--fs-std);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 6px;
}
.value-card p {
  font-size: var(--fs-base);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ═══════════════════════════════════════
   LEGAL PAGES
   ═══════════════════════════════════════ */
.legal-page { padding: 120px 48px 80px; max-width: 720px; margin: 0 auto; }
.legal-page h1 { font-family: var(--font-sans); font-size: clamp(28px, 4vw, 36px); font-weight: 700; color: var(--color-text-primary); margin-bottom: 8px; }
.legal-page .legal-subtitle { font-size: var(--fs-md); color: var(--color-text-disabled); margin-bottom: 48px; }
.legal-page h2 { font-size: var(--fs-2xl); font-weight: 700; color: var(--color-text-primary); margin: 40px 0 12px; padding-bottom: 8px; border-bottom: 1px solid var(--color-border-default); }
.legal-page p { font-size: var(--fs-std); color: var(--color-text-secondary); line-height: 1.9; margin-bottom: 12px; }
.legal-page ul { margin: 8px 0 16px 20px; }
.legal-page li { font-size: var(--fs-std); color: var(--color-text-secondary); line-height: 1.9; margin-bottom: 4px; }
.legal-back { display: inline-flex; align-items: center; gap: 6px; font-size: var(--fs-md); color: var(--blue-400); margin-bottom: 32px; transition: color 0.2s; }
.legal-back:hover { color: var(--blue-600); }

/* ═══════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════ */
@media (max-width: 900px) {
  nav { padding: 14px 20px; }
  nav.scrolled { padding: 10px 20px; }

  nav .nav-hamburger {
    display: flex;
  }

  nav .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    width: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-surface-base);
    border-radius: var(--radius-md);
    box-shadow:
      0 0 0 1px var(--color-border-default),
      var(--shadow-lg);
    padding: 8px 0;
    z-index: 150;
  }
  nav .nav-links.mobile-open {
    display: flex;
  }
  nav .nav-links a:not(.nav-cta) {
    font-size: var(--fs-md);
    font-weight: 500;
    color: var(--color-text-secondary);
    padding: 10px 24px;
    white-space: nowrap;
  }
  nav .nav-links a:not(.nav-cta):hover {
    background: var(--color-surface-subtle);
    color: var(--color-text-primary);
  }
  nav .nav-links .nav-cta {
    margin: 4px 16px 8px;
    text-align: center;
    padding: 10px 24px;
  }

  section { padding: 72px 20px; }
  .about-page { padding: 100px 20px 60px; }
  .about-mission { flex-direction: column; text-align: center; gap: 16px; }
  .founders-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .legal-page { padding: 100px 20px 60px; }
  #hero { padding: 100px 20px 60px; min-height: auto; }
  .hero-layout { flex-direction: column; gap: 40px; }
  .hero-visual { width: 100%; max-width: 380px; align-self: center; }
  .hero-title { font-size: clamp(30px, 8vw, 42px); }

  #mechanism { padding: 0 20px; }
  .mechanism-grid { grid-template-columns: 1fr; gap: 0; }
  .mechanism-item:not(:last-child)::after {
    right: 15%; left: 15%; top: auto; bottom: 0;
    width: auto; height: 1px;
  }

  .steps-carousel { margin: 0 -20px; }
  .step-slide { padding: 32px 24px; flex-direction: column; gap: 20px; text-align: center; }
  .step-slide-icon { width: 64px; height: 64px; }
  .step-slide-icon svg { width: 28px; height: 28px; }

  .trust-top-grid { grid-template-columns: 1fr; }
  .trust-bottom-grid { grid-template-columns: 1fr; }
  .trust-summary { flex-direction: column; gap: 12px; align-items: flex-start; padding: 20px; }

  .profile-carousel {
    flex-direction: column;
    gap: 12px;
    align-items: center;
  }
  .profile-card {
    max-width: 300px;
    min-width: auto;
    width: 100%;
    opacity: 1;
    transform: none;
    filter: none;
  }
  .profile-card.active { transform: none; }

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

  .bonus-card { padding: 32px 24px; }

  .lifestyle-strip { height: 120px; }

  .about-layout {
    flex-direction: column;
    text-align: center;
  }
  .about-quote { margin-left: auto; margin-right: auto; }
  .about-quote::before { margin-left: auto; margin-right: auto; }
  .about-body { margin-left: auto; margin-right: auto; }
  .about-image-wrapper {
    width: 100%;
    max-width: 300px;
    height: 240px;
    align-self: center;
  }

  .mechanism-number { font-size: var(--fs-4xl); }

  .cta-band { padding: 48px 20px; }
  footer { padding: 32px 20px; }
  .footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px; }

  .phone-carousel { height: 280px; gap: 6px; }
  .phone-item { width: 55px; height: 110px; border-radius: 14px; }
  .phone-item.near { width: 70px; height: 150px; border-radius: 18px; }
  .phone-item.active { width: 115px; height: 240px; border-radius: 22px; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .phone-carousel { height: 240px; gap: 4px; }
  .phone-item { width: 45px; height: 90px; border-radius: 12px; }
  .phone-item.near { width: 58px; height: 125px; border-radius: 14px; }
  .phone-item.active { width: 100px; height: 210px; border-radius: 20px; }

  .mechanism-number { font-size: var(--fs-2xl); }
  .section-lead { font-size: var(--fs-md); }
  .step-slide-title { font-size: var(--fs-2xl); }
  .step-slide-desc { font-size: var(--fs-md); }
  .bonus-title { font-size: var(--fs-4xl); }

  .about-image-wrapper { height: 200px; }
}

/* ═══════════════════════════════════════
   404 PAGE
   ═══════════════════════════════════════ */
.error-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 20px;
}
.error-code {
  font-family: var(--font-sans);
  font-size: clamp(72px, 15vw, 120px);
  font-weight: 700;
  color: var(--blue-200);
  line-height: 1;
  margin-bottom: 16px;
}
.error-title {
  font-family: var(--font-sans);
  font-size: clamp(20px, 4vw, 28px);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 12px;
}
.error-desc {
  font-size: var(--fs-std);
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  max-width: 360px;
}

/* ═══════════════════════════════════════
   APP PREVIEW (iOS / Android)
   ═══════════════════════════════════════ */
.app-preview {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 20px 80px;
  position: relative;
  overflow: hidden;
}
.app-preview::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  top: -15%; right: -10%;
  background: radial-gradient(circle, rgba(91,168,230,0.1) 0%, transparent 70%);
  border-radius: 50%;
}
.app-preview::after {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  bottom: -10%; left: -5%;
  background: radial-gradient(circle, rgba(155,143,212,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.app-preview-inner {
  max-width: 560px;
  text-align: center;
  position: relative;
  z-index: 1;
}
.app-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-base);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-text-inverse);
  background: linear-gradient(135deg, var(--blue-400), var(--lavender));
  padding: 8px 20px;
  border-radius: var(--radius-full);
  margin-bottom: 28px;
}
.app-badge svg { width: 16px; height: 16px; }
.app-title {
  font-family: var(--font-sans);
  font-size: clamp(32px, 6vw, 48px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--color-text-primary);
  margin-bottom: 20px;
}
.app-title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--blue-400), var(--lavender));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.app-subtitle {
  font-size: var(--fs-xl);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 440px;
  margin-left: auto;
  margin-right: auto;
}
.app-date {
  font-family: var(--font-sans);
  font-size: var(--fs-std);
  font-weight: 600;
  color: var(--blue-500);
  margin-bottom: 36px;
}
.app-features {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.app-feature-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-md);
  color: var(--color-text-secondary);
}
.app-feature-icon {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--blue-50);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.app-feature-icon svg { width: 16px; height: 16px; color: var(--blue-400); }
.app-cta-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.app-cta-note {
  font-size: var(--fs-base);
  color: var(--color-text-disabled);
}
.app-store-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--color-text-primary);
  color: var(--color-text-inverse);
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-size: var(--fs-md);
  font-weight: 600;
  transition: all 0.3s var(--ease-out);
  box-shadow: var(--shadow-md);
}
.app-store-badge:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.app-store-badge svg { width: 24px; height: 24px; }
.app-store-badge .badge-text-small {
  font-size: var(--fs-xs);
  font-weight: 400;
  opacity: 0.8;
  display: block;
  text-align: left;
  line-height: 1;
  margin-bottom: 2px;
}
.app-store-badge .badge-text-large {
  font-size: var(--fs-xl);
  font-weight: 600;
  display: block;
  text-align: left;
  line-height: 1;
}
.app-secondary-link {
  font-size: var(--fs-md);
  color: var(--blue-400);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s;
}
.app-secondary-link:hover { color: var(--blue-600); }
.app-secondary-link svg { width: 14px; height: 14px; }

/* ═══════════════════════════════════════
   BLOG LISTING PAGE
   ═══════════════════════════════════════ */
.blog-hero {
  text-align: center;
  padding: 100px 20px 48px;
  background: linear-gradient(180deg, var(--color-surface-base) 60%, var(--blue-50) 100%);
}
.blog-hero h1 {
  font-family: var(--font-sans);
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 700;
  color: var(--blue-400);
  margin: 0 0 12px;
}
.blog-hero p {
  font-size: clamp(14px, 2.5vw, 18px);
  color: var(--color-text-secondary);
  margin: 0;
}
.blog-filters {
  display: flex;
  justify-content: center;
  padding: 0 20px 32px;
  background: var(--blue-50);
}
.blog-filters-inner {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}
.blog-pill {
  padding: 8px 20px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  font-size: var(--fs-md);
  font-weight: 600;
  font-family: var(--font-sans);
  transition: all 0.2s;
  background: var(--blue-50);
  color: var(--color-text-primary);
}
.blog-pill.active {
  background: var(--blue-400);
  color: var(--color-text-inverse);
  box-shadow: 0 2px 8px rgba(106,174,255,0.3);
}
.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px 60px;
}
@media (min-width: 640px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .blog-grid { grid-template-columns: repeat(3, 1fr); } }
.blog-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface-base);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 0 1px rgba(224,224,224,0.8);
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow:
    0 0 0 1px rgba(224,224,224,0.8),
    0 8px 24px rgba(0,0,0,0.1);
}
.blog-card-cover {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  background: linear-gradient(135deg, var(--blue-400), #8FC3FF);
  overflow: hidden;
}
.blog-card-cover img {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.blog-card-cover img.cover-top { object-position: top; }
.blog-card-cover-text {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-text-inverse);
  font-size: var(--fs-lg);
  font-weight: 600;
  letter-spacing: 0.05em;
  opacity: 0.8;
}
.blog-card-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.blog-chip {
  display: inline-block;
  align-self: flex-start;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: 600;
  line-height: 1.6;
}
.blog-chip-A { background: var(--blog-a-bg); color: var(--blog-a-text); }
.blog-chip-B { background: var(--blog-b-bg); color: var(--blog-b-text); }
.blog-chip-C { background: var(--blog-c-bg); color: var(--blog-c-text); }
.blog-card-title {
  font-size: var(--fs-md);
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-text-primary);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-card-excerpt {
  font-size: var(--fs-md);
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-card-date {
  font-size: var(--fs-sm);
  color: var(--color-text-secondary);
  margin-top: 4px;
}
.blog-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--color-text-secondary);
  padding: 60px 0;
}

/* ═══════════════════════════════════════
   BLOG ARTICLE PAGE
   ═══════════════════════════════════════ */
.article-wrapper { max-width: 720px; margin: 0 auto; padding: 100px 20px 60px; }
.article-header { margin-bottom: 32px; }
.article-chip { display: inline-block; padding: 4px 12px; border-radius: var(--radius-full); font-size: var(--fs-base); font-weight: 600; margin-bottom: 12px; }
.article-chip-A { background: var(--blog-a-bg); color: var(--blog-a-text); }
.article-chip-B { background: var(--blog-b-bg); color: var(--blog-b-text); }
.article-chip-C { background: var(--blog-c-bg); color: var(--blog-c-text); }
.article-header h1 { font-family: var(--font-sans); font-size: clamp(22px, 4vw, 28px); font-weight: 700; color: var(--color-text-primary); line-height: 1.4; margin: 0 0 12px; }
.article-meta { font-size: var(--fs-md); color: var(--color-text-secondary); margin-bottom: 20px; }
.article-cover { position: relative; width: 100%; padding-top: 56.25%; border-radius: var(--radius-md); overflow: hidden; background: linear-gradient(135deg, var(--blue-400), #8FC3FF); margin-bottom: 32px; }
.article-cover img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; }
.article-cover-text { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); color: var(--color-text-inverse); font-size: var(--fs-2xl); font-weight: 600; letter-spacing: 0.05em; opacity: 0.85; text-align: center; line-height: 1.6; }
.article-body h2 { font-size: var(--fs-3xl); font-weight: 700; color: var(--color-text-primary); margin-top: 32px; margin-bottom: 12px; line-height: 1.4; }
.article-body h3 { font-size: var(--fs-xl); font-weight: 700; color: var(--color-text-primary); margin-top: 24px; margin-bottom: 8px; line-height: 1.4; }
.article-body p { font-size: var(--fs-lg); line-height: 1.8; color: var(--color-text-secondary); margin-bottom: 16px; }
.article-body blockquote { border-left: 4px solid #6AAEFF; background: var(--blue-50); padding: 12px 16px; margin: 16px 0; border-radius: 0 8px 8px 0; font-style: italic; }
.article-body blockquote p { margin-bottom: 0; color: var(--color-text-secondary); }
.article-body strong { color: var(--color-text-primary); }
.article-body ul, .article-body ol { margin: 12px 0 16px 20px; }
.article-body li { font-size: var(--fs-lg); line-height: 1.8; color: var(--color-text-secondary); margin-bottom: 4px; }
.article-body hr { border: none; border-top: 1px solid var(--color-border-default); margin: 32px 0; }
.testimonial-inline { background: var(--blue-50); border-radius: var(--radius-md); padding: 20px 24px; margin: 16px 0; }
.testimonial-inline p { font-style: italic; margin-bottom: 8px; }
.testimonial-inline .testimonial-author { font-size: var(--fs-md); font-style: normal; color: var(--color-text-disabled); margin-bottom: 0; }
.related-card { background: var(--blue-50); border-radius: var(--radius-md); padding: 20px 24px; margin-top: 40px; text-decoration: none; display: block; transition: transform 0.2s, box-shadow 0.2s; }
.related-card:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(106,174,255,0.15); }
.related-label { font-size: var(--fs-base); font-weight: 600; color: var(--color-text-secondary); margin-bottom: 6px; }
.related-title { font-size: var(--fs-lg); font-weight: 700; color: var(--color-text-primary); display: flex; align-items: center; gap: 8px; }
.related-title .arrow { color: var(--blue-400); flex-shrink: 0; }
.article-cta { background: linear-gradient(135deg, #6AAEFF, var(--blog-a-text)); border-radius: var(--radius-lg); padding: 40px 24px; text-align: center; margin-top: 40px; color: var(--color-text-inverse); }
.article-cta p { font-size: var(--fs-2xl); font-weight: 700; margin-bottom: 20px; line-height: 1.5; }
.article-cta-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.article-cta-buttons a { display: inline-block; padding: 12px 28px; border-radius: var(--radius-full); background: var(--color-surface-base); color: var(--blog-a-text); font-weight: 700; font-size: var(--fs-std); text-decoration: none; transition: transform 0.2s, box-shadow 0.2s; }
.article-cta-buttons a:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(0,0,0,0.15); }
.article-nav { display: flex; justify-content: space-between; border-top: 1px solid var(--color-border-default); margin-top: 40px; padding-top: 24px; gap: 16px; }
.article-nav a { text-decoration: none; color: var(--color-text-primary); font-size: var(--fs-md); line-height: 1.5; max-width: 48%; }
.article-nav a:hover { color: var(--blue-400); }
.article-nav .nav-label { font-size: var(--fs-sm); color: var(--color-text-secondary); display: block; margin-bottom: 4px; }
.article-nav .nav-chip { display: inline-block; padding: 2px 8px; border-radius: var(--radius-full); font-size: var(--fs-xs); font-weight: 600; margin-bottom: 4px; }
.article-nav .nav-right { text-align: right; margin-left: auto; }

/* App preview responsive */
@media (max-width: 900px) {
  .app-preview { padding: 100px 20px 60px; }
  .app-title { font-size: clamp(28px, 7vw, 40px); }
}
@media (max-width: 480px) {
  .app-features { flex-direction: column; align-items: center; }
  .app-store-badge { padding: 12px 24px; }
  .app-subtitle { font-size: var(--fs-std); }
}