/* ============================================================
   闫宝龙法语网站建设 · 营销网站
   Design System · 法式优雅 × 商务大气
   ============================================================ */

/* ------------------- Design Tokens ------------------- */
:root {
  /* Color */
  --c-navy-900: #0B1B2B;
  --c-navy-800: #0F2538;
  --c-navy-700: #14314A;
  --c-blue-700: #1E40AF;
  --c-blue-600: #2D5BFF;
  --c-blue-500: #3B6BFF;
  --c-blue-100: #E8EEFF;
  --c-gold-500: #C8A35F;
  --c-gold-400: #D9B679;
  --c-gold-300: #E5C895;
  --c-cream-50: #F5F1EA;
  --c-cream-100: #FAF7F1;
  --c-white: #FFFFFF;
  --c-gray-50: #F8FAFC;
  --c-gray-100: #F1F5F9;
  --c-gray-200: #E2E8F0;
  --c-gray-300: #CBD5E1;
  --c-gray-400: #94A3B8;
  --c-gray-500: #64748B;
  --c-gray-600: #475569;
  --c-gray-700: #334155;
  --c-gray-800: #1E293B;
  --c-text: #0B1B2B;
  --c-text-soft: #475569;
  --c-text-muted: #94A3B8;

  /* Semantic */
  --bg-page: var(--c-cream-50);
  --bg-card: var(--c-white);
  --bg-dark: var(--c-navy-900);
  --bg-dark-soft: var(--c-navy-800);
  --text-primary: var(--c-text);
  --text-secondary: var(--c-text-soft);
  --border: rgba(11, 27, 43, 0.08);
  --border-strong: rgba(11, 27, 43, 0.16);

  /* Accent gradient */
  --grad-gold: linear-gradient(135deg, #C8A35F 0%, #E5C895 100%);
  --grad-blue: linear-gradient(135deg, #1E40AF 0%, #2D5BFF 100%);
  --grad-hero: linear-gradient(135deg, #0B1B2B 0%, #14314A 60%, #1E40AF 100%);
  --grad-text: linear-gradient(135deg, #C8A35F 0%, #E5C895 50%, #C8A35F 100%);

  /* Typography */
  --font-serif: 'Noto Serif SC', 'Cormorant Garamond', 'Songti SC', serif;
  --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-display: 'Cormorant Garamond', 'Noto Serif SC', serif;
  --font-mono: 'Inter', 'Helvetica Neue', sans-serif;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;

  /* Radius */
  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-2xl: 36px;
  --r-full: 999px;

  /* Shadow */
  --shadow-sm: 0 2px 8px rgba(11, 27, 43, 0.04);
  --shadow-md: 0 8px 24px rgba(11, 27, 43, 0.08);
  --shadow-lg: 0 20px 48px rgba(11, 27, 43, 0.12);
  --shadow-gold: 0 12px 32px rgba(200, 163, 95, 0.24);

  /* Container */
  --container-w: 1240px;
  --container-pad: 24px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --t-fast: 180ms var(--ease-out);
  --t-base: 320ms var(--ease-out);
  --t-slow: 560ms var(--ease-out);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--t-fast);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: 0;
  background: none;
}

ul, ol { list-style: none; }

::selection { background: var(--c-gold-500); color: var(--c-navy-900); }

/* ------------------- Layout ------------------- */
.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.section {
  padding: clamp(72px, 9vw, 128px) 0;
  position: relative;
}

.section--alt { background: var(--c-white); }

.section-head {
  max-width: 760px;
  margin: 0 auto clamp(48px, 6vw, 72px);
  text-align: center;
}

.section-head h2 {
  font-family: var(--font-serif);
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 600;
  line-height: 1.25;
  color: var(--c-navy-900);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.section-head h2 em {
  font-style: normal;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.section-head p {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.8;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-gold-500);
  background: rgba(200, 163, 95, 0.1);
  border: 1px solid rgba(200, 163, 95, 0.32);
  border-radius: var(--r-full);
  margin-bottom: 20px;
}

.eyebrow i { width: 14px; height: 14px; }

/* ------------------- Buttons ------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--r-full);
  letter-spacing: 0.02em;
  transition: all var(--t-base);
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn i { width: 18px; height: 18px; }

.btn--primary {
  background: var(--grad-gold);
  color: var(--c-navy-900);
  box-shadow: var(--shadow-gold);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(200, 163, 95, 0.36);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.06);
  color: var(--c-white);
  border: 1px solid rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(12px);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: var(--c-gold-400);
  color: var(--c-gold-300);
}

.btn--outline {
  background: transparent;
  color: var(--c-navy-900);
  border: 1.5px solid var(--c-navy-900);
}

.btn--outline:hover {
  background: var(--c-navy-900);
  color: var(--c-white);
  transform: translateY(-2px);
}

/* ------------------- Header ------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  transition: all var(--t-base);
  padding: 18px 0;
}

.site-header.is-scrolled {
  background: rgba(11, 27, 43, 0.92);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 12px 0;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  color: var(--c-white);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.brand-mark {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  position: relative;
}

.brand-r {
  font-size: 11px;
  color: var(--c-gold-500);
  font-weight: 400;
  position: relative;
  top: -8px;
  margin-left: 1px;
}

.brand-divider {
  color: var(--c-gold-500);
  font-weight: 300;
  font-size: 16px;
}

.brand-sub {
  font-size: 15px;
  font-weight: 400;
  color: var(--c-gold-300);
  letter-spacing: 0.05em;
}

.primary-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}

.primary-nav a {
  display: inline-block;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.84);
  border-radius: var(--r-sm);
  transition: all var(--t-fast);
  position: relative;
}

.primary-nav a:hover,
.primary-nav a.is-active {
  color: var(--c-gold-400);
}

.primary-nav a::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 0;
  height: 1px;
  background: var(--c-gold-400);
  transition: all var(--t-base);
  transform: translateX(-50%);
}

.primary-nav a:hover::after { width: 24px; }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-navy-900);
  background: var(--grad-gold);
  border-radius: var(--r-full);
  letter-spacing: 0.02em;
  box-shadow: var(--shadow-gold);
  transition: all var(--t-base);
}

.nav-cta i { width: 16px; height: 16px; }

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(200, 163, 95, 0.4);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  color: var(--c-white);
  border-radius: var(--r-sm);
}

.nav-toggle i { width: 24px; height: 24px; }

.mobile-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(11, 27, 43, 0.98);
  backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--t-base);
}

.mobile-nav.is-open {
  max-height: 600px;
}

.mobile-nav ul {
  padding: 16px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  color: rgba(255, 255, 255, 0.88);
  border-radius: var(--r-sm);
  font-size: 15px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.mobile-nav a:hover { background: rgba(200, 163, 95, 0.08); color: var(--c-gold-400); }

.mobile-cta {
  background: var(--grad-gold);
  color: var(--c-navy-900) !important;
  font-weight: 600;
  margin-top: 8px;
  border-radius: var(--r-full) !important;
  border: 0 !important;
  justify-content: center;
}

.mobile-cta i { width: 18px; height: 18px; }

/* ------------------- Hero ------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 140px 0 80px;
  background: var(--grad-hero);
  color: var(--c-white);
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero-mesh {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 20%, rgba(45, 91, 255, 0.32), transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 30%, rgba(200, 163, 95, 0.18), transparent 60%),
    radial-gradient(ellipse 70% 50% at 60% 80%, rgba(30, 64, 175, 0.24), transparent 60%);
  filter: blur(40px);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, #000, transparent);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, #000, transparent);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
}

.hero-glow--gold {
  width: 480px;
  height: 480px;
  background: var(--c-gold-500);
  bottom: -120px;
  right: -120px;
  opacity: 0.18;
}

.hero-glow--blue {
  width: 380px;
  height: 380px;
  background: var(--c-blue-600);
  top: 10%;
  left: -100px;
  opacity: 0.22;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-content { max-width: 720px; }

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(40px, 6vw, 76px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 20px 0 24px;
}

.hero-title-cn {
  display: block;
  background: linear-gradient(180deg, #FFFFFF 0%, #C8D6E5 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero-title-fr {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 32px);
  font-weight: 500;
  font-style: italic;
  color: var(--c-gold-400);
  margin-top: 8px;
  letter-spacing: 0.04em;
}

.hero-subtitle {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.78);
  max-width: 600px;
}

.hero-points {
  margin: 32px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  max-width: 540px;
}

.hero-point {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14.5px;
  color: rgba(255, 255, 255, 0.88);
}

.hero-point i {
  width: 18px;
  height: 18px;
  color: var(--c-gold-400);
  flex-shrink: 0;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-meta {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-meta li {
  display: flex;
  flex-direction: column;
}

.hero-meta strong {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 600;
  color: var(--c-gold-400);
  line-height: 1;
  letter-spacing: -0.01em;
}

.hero-meta span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.56);
  margin-top: 6px;
}

/* Hero Card */
.hero-card {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--r-2xl);
  padding: 32px;
  position: relative;
}

.hero-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--r-2xl);
  padding: 1px;
  background: linear-gradient(135deg, rgba(200, 163, 95, 0.4), transparent 50%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.hero-card-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-card-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--c-gold-500);
  flex-shrink: 0;
}

.hero-card-avatar img { width: 100%; height: 100%; object-fit: cover; }

.hero-card-head h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--c-white);
  margin-bottom: 4px;
}

.hero-card-head p {
  font-size: 13px;
  color: var(--c-gold-300);
}

.hero-card-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 24px;
}

.hero-card-list li {
  display: flex;
  align-items: center;
  gap: 14px;
}

.hero-card-list i {
  width: 20px;
  height: 20px;
  color: var(--c-gold-400);
  flex-shrink: 0;
}

.hero-card-list span {
  display: block;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 2px;
  letter-spacing: 0.04em;
}

.hero-card-list a strong,
.hero-card-list strong {
  font-size: 16px;
  font-weight: 600;
  color: var(--c-white);
  font-family: var(--font-mono);
}

.hero-card-qr {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--r-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-card-qr img {
  width: 88px;
  height: 88px;
  border-radius: var(--r-sm);
  background: var(--c-white);
  padding: 4px;
  flex-shrink: 0;
}

.hero-card-qr p {
  font-size: 13px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.78);
}

/* Hero Marquee */
.hero-marquee {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2;
  padding: 16px 0;
  background: rgba(0, 0, 0, 0.24);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  backdrop-filter: blur(8px);
}

.hero-marquee-track {
  display: flex;
  gap: 28px;
  align-items: center;
  white-space: nowrap;
  animation: marquee 40s linear infinite;
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--c-gold-300);
  font-style: italic;
}

.hero-marquee-track span:not(:nth-child(2n)) {
  font-weight: 500;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ------------------- Grids ------------------- */
.grid { display: grid; gap: 24px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ------------------- Cards ------------------- */
.card {
  background: var(--c-white);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 32px;
  transition: all var(--t-base);
  position: relative;
  overflow: hidden;
}

.card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--grad-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-base);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(200, 163, 95, 0.32);
}

.card:hover::after { transform: scaleX(1); }

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--r-md);
  background: linear-gradient(135deg, rgba(200, 163, 95, 0.12), rgba(45, 91, 255, 0.08));
  border: 1px solid rgba(200, 163, 95, 0.24);
  color: var(--c-gold-500);
  margin-bottom: 20px;
}

.card-icon i { width: 26px; height: 26px; }

.card h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--c-navy-900);
  margin-bottom: 12px;
  line-height: 1.4;
}

.card p {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-secondary);
}

.card-list {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card-list li {
  position: relative;
  padding-left: 20px;
  font-size: 13.5px;
  color: var(--text-secondary);
}

.card-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--c-gold-500);
  border-radius: 50%;
}

/* Service card special */
.card--service {
  background: var(--c-white);
}

/* ------------------- Advantages ------------------- */
.advantages .advantage {
  background: var(--c-white);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 32px 24px;
  text-align: center;
  position: relative;
  transition: all var(--t-base);
}

.advantages .advantage:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(200, 163, 95, 0.32);
}

.advantage-num {
  position: absolute;
  top: 20px;
  right: 20px;
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 500;
  font-style: italic;
  color: var(--c-gold-300);
  line-height: 1;
  opacity: 0.4;
}

.advantages .advantage i {
  display: inline-flex;
  width: 56px;
  height: 56px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--grad-blue);
  color: var(--c-white);
  margin-bottom: 20px;
}

.advantages .advantage i { width: 26px; height: 26px; }

.advantages .advantage h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--c-navy-900);
  margin-bottom: 12px;
}

.advantages .advantage p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-secondary);
}

/* ------------------- Process ------------------- */
.process {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  position: relative;
}

.process::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 6%;
  right: 6%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-gold-500) 20%, var(--c-gold-500) 80%, transparent);
  z-index: 0;
}

.process li {
  text-align: center;
  position: relative;
  z-index: 1;
}

.process-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--c-white);
  border: 2px solid var(--c-gold-500);
  color: var(--c-gold-500);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin: 0 auto 20px;
  box-shadow: 0 0 0 6px var(--c-cream-50);
  position: relative;
  transition: all var(--t-base);
}

.process li:hover .process-step {
  background: var(--c-gold-500);
  color: var(--c-navy-900);
  transform: scale(1.08);
}

.process h3 {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--c-navy-900);
  margin-bottom: 8px;
}

.process p {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-secondary);
  padding: 0 4px;
}

.section--alt .process-step {
  box-shadow: 0 0 0 6px var(--c-white);
}

/* ------------------- Cases ------------------- */
.card--case {
  padding: 0;
  background: var(--c-white);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.case-thumb {
  height: 200px;
  background: linear-gradient(135deg, var(--c1, #1E40AF), var(--c2, #2D5BFF));
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 20px;
  overflow: hidden;
}

.case-thumb::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 30px 30px;
  opacity: 0.6;
}

.case-thumb::after {
  content: '';
  position: absolute;
  width: 200%;
  height: 200%;
  top: -50%;
  left: -50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.16) 0%, transparent 60%);
  animation: rotateGlow 20s linear infinite;
}

@keyframes rotateGlow {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.case-thumb span {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-size: 18px;
  font-style: italic;
  color: rgba(255, 255, 255, 0.96);
  letter-spacing: 0.04em;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.32);
}

.case-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.case-body h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--c-navy-900);
  margin-bottom: 10px;
  line-height: 1.4;
}

.case-body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 16px;
  flex: 1;
}

.case-body ul {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.case-body li {
  font-size: 12px;
  padding: 4px 10px;
  background: var(--c-cream-100);
  color: var(--c-navy-700);
  border-radius: var(--r-full);
  border: 1px solid var(--border);
}

/* ------------------- Pricing ------------------- */
.card--price {
  display: flex;
  flex-direction: column;
  padding: 36px 32px;
  position: relative;
}

.card--price header {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.card--price h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--c-navy-900);
  margin-bottom: 6px;
}

.price-meta {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
}

.price-amount {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 28px;
  font-family: var(--font-mono);
}

.price-currency {
  font-size: 22px;
  color: var(--c-gold-500);
  font-weight: 500;
}

.price-value {
  font-size: 44px;
  font-weight: 700;
  color: var(--c-navy-900);
  line-height: 1;
  letter-spacing: -0.02em;
}

.price-unit {
  font-size: 16px;
  color: var(--text-secondary);
  margin-left: 4px;
}

.card--price ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
  flex: 1;
}

.card--price li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.card--price li i {
  width: 16px;
  height: 16px;
  color: var(--c-gold-500);
  flex-shrink: 0;
}

.card--price .btn { width: 100%; }

.card--price--featured {
  background: var(--c-navy-900);
  color: var(--c-white);
  border-color: var(--c-gold-500);
  transform: scale(1.04);
  box-shadow: var(--shadow-lg);
}

.card--price--featured::after { background: var(--grad-gold); transform: scaleX(1); }

.card--price--featured h3,
.card--price--featured .price-value { color: var(--c-white); }

.card--price--featured .price-currency { color: var(--c-gold-400); }

.card--price--featured .price-meta { color: rgba(255, 255, 255, 0.6); }

.card--price--featured header { border-bottom-color: rgba(255, 255, 255, 0.12); }

.card--price--featured li { color: rgba(255, 255, 255, 0.84); }

.card--price--featured li i { color: var(--c-gold-400); }

.card--price--featured .btn--outline {
  color: var(--c-white);
  border-color: var(--c-gold-500);
}

.card--price--featured .btn--outline:hover {
  background: var(--c-gold-500);
  color: var(--c-navy-900);
}

.price-flag {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 5px 16px;
  background: var(--grad-gold);
  color: var(--c-navy-900);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  border-radius: var(--r-full);
  box-shadow: var(--shadow-gold);
}

/* ------------------- Industries ------------------- */
.industries {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.industries li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 28px 16px;
  background: var(--c-white);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  text-align: center;
  transition: all var(--t-base);
  cursor: default;
}

.industries li:hover {
  transform: translateY(-4px);
  border-color: var(--c-gold-500);
  box-shadow: var(--shadow-md);
}

.industries li i {
  width: 32px;
  height: 32px;
  color: var(--c-gold-500);
  transition: color var(--t-fast);
}

.industries li:hover i { color: var(--c-blue-600); }

.industries li span {
  font-size: 14px;
  font-weight: 500;
  color: var(--c-navy-900);
}

/* ------------------- About ------------------- */
.about { background: var(--c-white); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.about-photo {
  position: sticky;
  top: 100px;
}

.about-photo-frame {
  position: relative;
  border-radius: var(--r-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--c-cream-100);
  aspect-ratio: 4/5;
}

.about-photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.05) saturate(1.05);
}

.about-photo-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
  background: linear-gradient(180deg, transparent, rgba(11, 27, 43, 0.88));
  color: var(--c-white);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.about-photo-caption strong {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
}

.about-photo-caption span {
  font-size: 13px;
  color: var(--c-gold-300);
  letter-spacing: 0.04em;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.about-stats div {
  text-align: center;
  padding: 18px 8px;
  background: var(--c-cream-50);
  border-radius: var(--r-md);
  border: 1px solid var(--border);
}

.about-stats strong {
  display: block;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  color: var(--c-gold-500);
  margin-bottom: 4px;
}

.about-stats span {
  font-size: 12px;
  color: var(--text-secondary);
}

.about-content h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 600;
  line-height: 1.3;
  color: var(--c-navy-900);
  margin-bottom: 20px;
}

.about-content h2 em {
  font-style: normal;
  color: var(--c-gold-500);
}

.about-lead {
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-secondary);
  margin-bottom: 36px;
}

.about-timeline {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
}

.about-timeline::before {
  content: '';
  position: absolute;
  left: 60px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--c-gold-500), var(--border));
}

.about-tl-item {
  display: flex;
  gap: 24px;
  position: relative;
}

.about-tl-year {
  flex-shrink: 0;
  width: 100px;
  padding: 8px 0;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--c-gold-500);
  text-align: right;
  position: relative;
}

.about-tl-year::after {
  content: '';
  position: absolute;
  right: -10px;
  top: 14px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-white);
  border: 2px solid var(--c-gold-500);
  z-index: 1;
}

.about-tl-item > div { flex: 1; }

.about-tl-item h4 {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--c-navy-900);
  margin-bottom: 6px;
}

.about-tl-item p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ------------------- FAQ ------------------- */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 80px;
  align-items: start;
}

.faq-head { position: sticky; top: 100px; }

.faq-head h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.4vw, 38px);
  font-weight: 600;
  line-height: 1.3;
  color: var(--c-navy-900);
  margin-bottom: 16px;
}

.faq-head h2 em {
  font-style: normal;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.faq-head p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--c-white);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: all var(--t-base);
}

.faq-item:hover { border-color: rgba(200, 163, 95, 0.4); }

.faq-item[open] {
  border-color: var(--c-gold-500);
  box-shadow: 0 8px 24px rgba(200, 163, 95, 0.12);
}

.faq-item summary {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background var(--t-fast);
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary:hover { background: var(--c-cream-50); }

.faq-q {
  flex: 1;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--c-navy-900);
  line-height: 1.5;
}

.faq-icon-plus,
.faq-icon-minus {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--c-gold-500);
  transition: opacity var(--t-fast);
}

.faq-icon-minus { display: none; }
.faq-item[open] .faq-icon-plus { display: none; }
.faq-item[open] .faq-icon-minus { display: inline-block; }

.faq-a {
  padding: 0 24px 24px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-secondary);
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin-top: -4px;
  padding-left: 24px;
  padding-right: 24px;
}

/* ------------------- Contact ------------------- */
.contact { background: var(--c-white); }

.section-head--center { text-align: center; max-width: 720px; }

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr) 1.2fr;
  gap: 20px;
}

.contact-card {
  text-align: center;
  padding: 40px 28px;
  background: var(--c-cream-50);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  transition: all var(--t-base);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.contact-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-gold-500);
  box-shadow: var(--shadow-md);
}

.contact-card i {
  width: 48px;
  height: 48px;
  padding: 12px;
  border-radius: 50%;
  background: var(--grad-gold);
  color: var(--c-navy-900);
  margin-bottom: 20px;
}

.contact-card i { width: 24px; height: 24px; }

.contact-card h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--c-navy-900);
  margin-bottom: 8px;
}

.contact-card p {
  font-size: 13.5px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  flex: 1;
}

.contact-link {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--c-gold-500);
  letter-spacing: 0.02em;
  transition: color var(--t-fast);
}

.contact-link:hover { color: var(--c-navy-900); }

.contact-card--qr {
  background: var(--c-navy-900);
  color: var(--c-white);
  border-color: var(--c-navy-900);
}

.contact-card--qr i { display: none; }

.contact-card--qr img {
  width: 140px;
  height: 140px;
  border-radius: var(--r-md);
  background: var(--c-white);
  padding: 6px;
  margin-bottom: 20px;
}

.contact-card--qr h3 { color: var(--c-white); }

.contact-card--qr p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

/* ------------------- Footer ------------------- */
.site-footer {
  background: var(--c-navy-900);
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 0 24px;
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 0% 0%, rgba(45, 91, 255, 0.16), transparent 60%),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(200, 163, 95, 0.08), transparent 60%);
  pointer-events: none;
}

.footer-top {
  position: relative;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 56px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand--light { color: var(--c-white); }

.footer-brand p {
  font-size: 14px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.6);
  margin: 20px 0 24px;
  max-width: 360px;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.78);
}

.footer-contact i { width: 16px; height: 16px; color: var(--c-gold-400); }

.footer-contact a:hover { color: var(--c-gold-400); }

.footer-links h4 {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 600;
  color: var(--c-white);
  margin-bottom: 18px;
  position: relative;
  padding-left: 14px;
}

.footer-links h4::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 4px;
  height: 14px;
  background: var(--c-gold-500);
  border-radius: 2px;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.6);
  transition: all var(--t-fast);
  display: inline-block;
}

.footer-links a:hover {
  color: var(--c-gold-400);
  transform: translateX(4px);
}

.footer-fr {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 14px;
  color: var(--c-gold-300);
  line-height: 1.7;
  margin-top: 8px;
}

.footer-bottom {
  position: relative;
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--t-fast);
}

.footer-bottom a:hover { color: var(--c-gold-400); }

.footer-tagline {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.36);
  letter-spacing: 0.06em;
}

/* ------------------- Floating CTA ------------------- */
.floating-cta {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 12px;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--t-base);
}

.floating-cta.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.floating-cta__btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--c-navy-900);
  color: var(--c-white);
  box-shadow: 0 8px 24px rgba(11, 27, 43, 0.32);
  transition: all var(--t-base);
  font-size: 11px;
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.floating-cta__btn i { width: 20px; height: 20px; }

.floating-cta__btn:hover {
  background: var(--c-gold-500);
  color: var(--c-navy-900);
  transform: scale(1.08);
}

.floating-cta__btn--top {
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px);
}

.floating-cta.is-visible .floating-cta__btn--top {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* ------------------- Reveal Animations ------------------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ------------------- Responsive ------------------- */
@media (max-width: 1080px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-photo { position: static; max-width: 480px; margin: 0 auto; }
  .faq-grid { grid-template-columns: 1fr; gap: 48px; }
  .faq-head { position: static; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 880px) {
  .primary-nav, .nav-cta { display: none; }
  .nav-toggle { display: inline-flex; }
  .mobile-nav { display: block; }

  .process { grid-template-columns: repeat(2, 1fr); gap: 32px 16px; }
  .process::before { display: none; }
  .industries { grid-template-columns: repeat(3, 1fr); }
  .grid--3 { grid-template-columns: 1fr; }
  .hero-points { grid-template-columns: 1fr; }
  .hero-meta { gap: 24px; }
  .hero-meta strong { font-size: 26px; }
}

@media (max-width: 640px) {
  :root { --container-pad: 20px; }
  .section { padding: 64px 0; }
  .grid--4 { grid-template-columns: 1fr; }
  .grid--3 { grid-template-columns: 1fr; }
  .hero { padding: 120px 0 96px; min-height: auto; }
  .hero-title { font-size: 38px; }
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .hero-ctas .btn { width: 100%; }
  .industries { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .process { grid-template-columns: 1fr; }
  .floating-cta { right: 16px; bottom: 16px; }
  .floating-cta__btn { width: 48px; height: 48px; font-size: 10px; }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}