/* =========================================
   AUTO WORLD · GLOBAL STYLES
   Dark / Silver / Tech-Blue Aesthetic
   ========================================= */

:root {
  --black: #000000;
  --dark-1: #0a0a0a;
  --dark-2: #111111;
  --dark-3: #1a1a1a;
  --dark-4: #222222;
  --silver-1: #e8e8e8;
  --silver-2: #c0c0c0;
  --silver-3: #888888;
  --silver-4: #555555;
  --blue-1: #00aaff;
  --blue-2: #0077dd;
  --blue-3: #004499;
  --blue-glow: rgba(0, 170, 255, 0.3);
  --blue-glow-strong: rgba(0, 170, 255, 0.6);
  --white: #ffffff;
  --font-en: 'Inter', sans-serif;
  --font-zh: 'Noto Sans SC', 'Inter', sans-serif;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --radius: 12px;
  --radius-lg: 20px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  background: var(--black);
  color: var(--silver-1);
  font-family: var(--font-zh);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

::selection {
  background: var(--blue-1);
  color: var(--white);
}

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--dark-2); }
::-webkit-scrollbar-thumb { background: var(--blue-2); border-radius: 3px; }

/* ─── CONTAINER ─── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ─── SECTION COMMON ─── */
.section-label {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 4px;
  color: var(--blue-1);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 16px;
  color: var(--silver-3);
  max-width: 640px;
  margin-bottom: 60px;
}

/* ─── BUTTONS ─── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--blue-1), var(--blue-2));
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 0 30px var(--blue-glow);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: 0.5s;
}

.btn-primary:hover::before { left: 100%; }

.btn-primary:hover {
  box-shadow: 0 0 50px var(--blue-glow-strong);
  transform: translateY(-2px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  background: transparent;
  color: var(--silver-1);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  border-radius: 50px;
  border: 1px solid var(--silver-4);
  cursor: pointer;
  transition: var(--transition);
}

.btn-ghost:hover {
  border-color: var(--blue-1);
  color: var(--blue-1);
  box-shadow: 0 0 20px var(--blue-glow);
}

.btn-large {
  padding: 18px 48px;
  font-size: 16px;
}

.accent-blue { color: var(--blue-1); }

/* ===========================================
   NAVBAR
   =========================================== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: background 0.4s ease, padding 0.4s ease, backdrop-filter 0.4s ease,
              box-shadow 0.4s ease;
}

#navbar.scrolled {
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-logo {
  text-decoration: none;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-en);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 3px;
  color: var(--white);
  text-transform: uppercase;
}

.logo-accent {
  color: var(--blue-1);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
  margin-left: auto;
}

.nav-links a {
  text-decoration: none;
  color: var(--silver-2);
  font-size: 14px;
  font-weight: 400;
  padding: 8px 14px;
  border-radius: 8px;
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 20px; height: 2px;
  background: var(--blue-1);
  border-radius: 1px;
  transition: transform 0.3s ease;
}

.nav-links a:hover,
.nav-links a.nav-active { color: var(--white); }
.nav-links a:hover::after,
.nav-links a.nav-active::after { transform: translateX(-50%) scaleX(1); }

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 4px;
}

.lang-btn {
  background: none;
  border: none;
  color: var(--silver-3);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 4px;
  transition: var(--transition);
  font-family: var(--font-en);
  letter-spacing: 0.5px;
}

.lang-btn:hover,
.lang-btn.active {
  color: var(--blue-1);
}

.lang-sep {
  color: var(--silver-4);
  font-size: 11px;
}

.nav-cta {
  background: linear-gradient(135deg, var(--blue-1), var(--blue-2));
  color: var(--white);
  border: none;
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 0 20px var(--blue-glow);
}

.nav-cta:hover {
  box-shadow: 0 0 35px var(--blue-glow-strong);
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--silver-1);
  border-radius: 1px;
  transition: var(--transition);
}

/* ===========================================
   HERO
   =========================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(0, 100, 200, 0.12), transparent);
}

#heroCanvas {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 0 32px;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--blue-1);
  border: 1px solid rgba(0, 170, 255, 0.3);
  padding: 8px 24px;
  border-radius: 50px;
  margin-bottom: 32px;
  background: rgba(0, 170, 255, 0.05);
  backdrop-filter: blur(10px);
  animation: fadeSlideDown 1s ease 0.2s both;
}

.hero-title {
  font-size: clamp(48px, 9vw, 88px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -1px;
  color: var(--white);
  margin-bottom: 24px;
  animation: fadeSlideUp 1s ease 0.4s both;
}

.hero-title-line {
  display: block;
}

.hero-title-line.accent-blue {
  background: linear-gradient(135deg, var(--blue-1), #60c8ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(15px, 2vw, 18px);
  color: var(--silver-3);
  margin-bottom: 48px;
  line-height: 1.8;
  animation: fadeSlideUp 1s ease 0.6s both;
}

.hero-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeSlideUp 1s ease 0.8s both;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  z-index: 2;
  animation: fadeIn 1s ease 1.5s both;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, var(--blue-1));
  animation: scrollPulse 2s ease infinite;
}

.hero-scroll-hint span {
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--silver-4);
  text-transform: uppercase;
  font-family: var(--font-en);
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.1); }
}

/* ===========================================
   KEY NUMBERS
   =========================================== */
.section-numbers {
  padding: 60px 0;
  background: var(--dark-2);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.numbers-grid {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.number-card {
  flex: 1;
  min-width: 160px;
  text-align: center;
  padding: 28px 16px;
  position: relative;
}

.number-card::after {
  content: '';
  position: absolute;
  right: 0; top: 20%;
  height: 60%;
  width: 1px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.08), transparent);
}

.number-card:last-child::after { display: none; }

.number-val {
  font-family: var(--font-en);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -1px;
  line-height: 1;
  background: linear-gradient(135deg, var(--white), var(--blue-1));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.num-plus {
  font-size: 0.6em;
  color: var(--blue-1);
  -webkit-text-fill-color: var(--blue-1);
}

.number-desc {
  margin-top: 10px;
  font-size: 13px;
  color: var(--silver-3);
  line-height: 1.4;
}

/* ===========================================
   ABOUT
   =========================================== */
.section-about {
  padding: 100px 0;
  background: var(--dark-1);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-bottom: 80px;
}

.about-text p {
  color: var(--silver-2);
  margin-bottom: 20px;
  font-size: 16px;
  line-height: 1.9;
}

.about-tagline {
  margin-top: 32px;
  font-size: 20px;
  font-weight: 600;
  color: var(--white);
  padding-left: 20px;
  border-left: 3px solid var(--blue-1);
  font-style: italic;
}

/* Globe */
.about-visual {
  display: flex;
  justify-content: center;
}

.globe-container {
  position: relative;
  width: 360px;
  height: 360px;
}

#globeCanvas {
  width: 100%;
  height: 100%;
}

.globe-nodes {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
}

.globe-node {
  position: absolute;
  font-size: 20px;
  filter: drop-shadow(0 0 6px var(--blue-1));
  animation: floatNode 3s ease-in-out infinite;
  cursor: default;
}

.globe-node:nth-child(2) { animation-delay: 0.5s; }
.globe-node:nth-child(3) { animation-delay: 1s; }
.globe-node:nth-child(4) { animation-delay: 1.5s; }
.globe-node:nth-child(5) { animation-delay: 2s; }
.globe-node:nth-child(6) { animation-delay: 2.5s; }

@keyframes floatNode {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* Milestones */
.milestones {
  margin-top: 60px;
}

.milestones-label {
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 40px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--blue-1), rgba(0,170,255,0.1));
}

.timeline-item {
  position: relative;
  margin-bottom: 48px;
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  align-items: start;
}

.tl-dot {
  position: absolute;
  left: -40px;
  top: 6px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--blue-1);
  border: 2px solid var(--dark-1);
  box-shadow: 0 0 12px var(--blue-glow);
  margin-left: 2px;
}

.tl-year {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  color: var(--blue-1);
  letter-spacing: 1px;
  padding-top: 4px;
}

.tl-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.tl-desc {
  font-size: 14px;
  color: var(--silver-3);
  line-height: 1.8;
}

/* ===========================================
   SERVICES
   =========================================== */
.section-services {
  padding: 100px 0;
  background: var(--dark-2);
  position: relative;
  overflow: hidden;
}

.section-services::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue-2), transparent);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--dark-3);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  transition: var(--transition);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-2), var(--blue-1));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.service-card:hover {
  border-color: rgba(0, 170, 255, 0.2);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 30px var(--blue-glow);
}

.service-card:hover::before { transform: scaleX(1); }

.srv-num {
  font-family: var(--font-en);
  font-size: 60px;
  font-weight: 900;
  color: rgba(0, 170, 255, 0.08);
  position: absolute;
  top: 24px; right: 32px;
  line-height: 1;
  pointer-events: none;
  transition: color 0.4s ease;
}

.service-card:hover .srv-num {
  color: rgba(0, 170, 255, 0.15);
}

.srv-icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, rgba(0,170,255,0.15), rgba(0,100,200,0.1));
  border: 1px solid rgba(0,170,255,0.2);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--blue-1);
  font-size: 22px;
  transition: var(--transition);
}

.service-card:hover .srv-icon {
  background: linear-gradient(135deg, rgba(0,170,255,0.3), rgba(0,100,200,0.2));
  box-shadow: 0 0 20px var(--blue-glow);
}

.srv-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 14px;
}

.srv-desc {
  font-size: 14px;
  color: var(--silver-3);
  line-height: 1.8;
  margin-bottom: 24px;
}

.srv-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
}

.srv-tags li {
  font-size: 12px;
  padding: 4px 12px;
  background: rgba(0, 170, 255, 0.08);
  border: 1px solid rgba(0, 170, 255, 0.15);
  border-radius: 50px;
  color: var(--blue-1);
  font-family: var(--font-en);
  letter-spacing: 0.3px;
}

/* ===========================================
   RESOURCES
   =========================================== */
.section-resources {
  padding: 100px 0;
  background: var(--dark-1);
}

.res-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding-bottom: 0;
}

.res-tab {
  background: none;
  border: none;
  color: var(--silver-3);
  font-size: 15px;
  font-weight: 500;
  padding: 12px 24px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
  font-family: var(--font-zh);
  position: relative;
  bottom: -1px;
}

.res-tab:hover { color: var(--white); }
.res-tab.active {
  color: var(--blue-1);
  border-bottom-color: var(--blue-1);
}

.res-panel {
  display: none;
}

.res-panel.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

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

.res-item {
  background: var(--dark-3);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: var(--transition);
}

.res-item:hover {
  border-color: rgba(0,170,255,0.2);
  transform: translateY(-4px);
  box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.res-icon {
  font-size: 28px;
  color: var(--blue-1);
  margin-bottom: 16px;
}

.res-num {
  font-family: var(--font-en);
  font-size: 44px;
  font-weight: 800;
  color: var(--white);
  background: linear-gradient(135deg, var(--white), var(--blue-1));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

.res-text {
  font-size: 14px;
  color: var(--silver-3);
  line-height: 1.6;
}

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

.celebrity-card,
.media-card {
  background: var(--dark-3);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: var(--transition);
}

.celebrity-card:hover,
.media-card:hover {
  border-color: rgba(0,170,255,0.2);
  transform: translateY(-4px);
  box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.celeb-icon,
.media-icon {
  font-size: 32px;
  color: var(--blue-1);
  margin-bottom: 16px;
}

.celeb-title,
.media-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.celeb-desc,
.media-desc {
  font-size: 14px;
  color: var(--silver-3);
  line-height: 1.7;
}

/* ===========================================
   AI SECTION
   =========================================== */
.section-ai {
  padding: 100px 0;
  background: var(--dark-2);
  position: relative;
  overflow: hidden;
}

.section-ai::after {
  content: 'AI';
  position: absolute;
  right: -40px; top: 50%;
  transform: translateY(-50%);
  font-size: 300px;
  font-weight: 900;
  font-family: var(--font-en);
  color: rgba(0, 170, 255, 0.03);
  line-height: 1;
  pointer-events: none;
}

.ai-intro {
  font-size: 15px;
  color: var(--silver-3);
  max-width: 700px;
  line-height: 1.9;
  margin-bottom: 60px;
}

.ai-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.ai-card {
  background: var(--dark-3);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.ai-card::before {
  content: '';
  position: absolute;
  bottom: -60px; right: -60px;
  width: 160px; height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,170,255,0.08), transparent 70%);
  transition: transform 0.5s ease;
}

.ai-card:hover::before { transform: scale(1.5); }

.ai-card:hover {
  border-color: rgba(0,170,255,0.25);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 30px var(--blue-glow);
}

.ai-card-icon {
  font-size: 32px;
  color: var(--blue-1);
  margin-bottom: 12px;
}

.ai-card-num {
  font-family: var(--font-en);
  font-size: 52px;
  font-weight: 900;
  color: rgba(0, 170, 255, 0.07);
  position: absolute;
  top: 20px; right: 24px;
  line-height: 1;
}

.ai-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.ai-card p {
  font-size: 14px;
  color: var(--silver-3);
  line-height: 1.8;
}

/* ===========================================
   CASES  — Level 1: Image Card Grid
   =========================================== */
.section-cases {
  padding: 100px 0;
  background: var(--dark-1);
}

.cases-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.case-tab {
  background: var(--dark-3);
  border: 1px solid rgba(255,255,255,0.06);
  color: var(--silver-3);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 24px;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-zh);
}

.case-tab:hover { color: var(--white); border-color: rgba(0,170,255,0.3); }
.case-tab.active {
  background: linear-gradient(135deg, rgba(0,170,255,0.15), rgba(0,100,200,0.1));
  border-color: var(--blue-1);
  color: var(--blue-1);
}

/* ── NEW Image card grid ── */
.cases-grid-new {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

/* Featured card spans 2 cols */
.cases-grid-new .case-img-card:first-child {
  grid-column: span 2;
  grid-row: span 1;
}
.cases-grid-new .case-img-card:first-child .card-img-wrap {
  padding-bottom: 56%;
}

.case-img-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  background: var(--dark-3);
  border: 1px solid rgba(255,255,255,0.05);
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1),
              box-shadow 0.4s ease,
              border-color 0.4s ease;
}

.case-img-card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 24px 60px rgba(0,0,0,0.6), 0 0 30px var(--blue-glow);
  border-color: rgba(0,170,255,0.3);
}

.card-img-wrap {
  position: relative;
  width: 100%;
  padding-bottom: 68%;
  overflow: hidden;
}

.card-img-wrap img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4,0,0.2,1);
  filter: brightness(0.82);
}

.case-img-card:hover .card-img-wrap img {
  transform: scale(1.06);
  filter: brightness(0.65);
}

/* Category badge top-left */
.card-cat-badge {
  position: absolute;
  top: 14px; left: 14px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 50px;
  font-family: var(--font-en);
  z-index: 2;
}
.card-cat-badge.cat-outdoor {
  background: rgba(0,170,255,0.2);
  border: 1px solid rgba(0,170,255,0.4);
  color: var(--blue-1);
}
.card-cat-badge.cat-flash {
  background: rgba(160,80,255,0.2);
  border: 1px solid rgba(160,80,255,0.4);
  color: #c080ff;
}
.card-cat-badge.cat-integrated {
  background: rgba(0,200,120,0.2);
  border: 1px solid rgba(0,200,120,0.4);
  color: #00c878;
}

/* "View" icon hover overlay */
.card-view-icon {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0.6);
  opacity: 0;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: rgba(0,170,255,0.9);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  color: #fff;
  transition: opacity 0.3s ease, transform 0.3s ease;
  z-index: 3;
}

.case-img-card:hover .card-view-icon {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

/* Card text bar */
.card-info {
  padding: 18px 20px 20px;
  background: var(--dark-3);
}

.card-location {
  font-size: 11px;
  color: var(--silver-4);
  margin-bottom: 4px;
  letter-spacing: 0.5px;
}

.card-brand {
  font-family: var(--font-en);
  font-size: 20px;
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 4px;
}

.card-type {
  font-size: 12px;
  color: var(--silver-3);
  margin-bottom: 12px;
}

.card-metric {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.card-metric-num {
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 800;
  color: var(--blue-1);
}

.card-metric-label {
  font-size: 12px;
  color: var(--silver-3);
}

/* "Load more" button */
.cases-more-wrap {
  text-align: center;
  margin-top: 8px;
}

.cases-more-btn {
  background: transparent;
  border: 1px solid rgba(0,170,255,0.3);
  color: var(--blue-1);
  padding: 12px 40px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-zh);
}

.cases-more-btn:hover {
  background: rgba(0,170,255,0.08);
  border-color: var(--blue-1);
  box-shadow: 0 0 20px var(--blue-glow);
}

.cases-more-btn.hidden { display: none; }

/* Keep old metric classes for any reuse */
.case-metric { display: flex; align-items: baseline; gap: 8px; }
.case-metrics-row { display: flex; gap: 24px; }
.metric-num { font-family: var(--font-en); font-size: 26px; font-weight: 800; color: var(--blue-1); }
.metric-label { font-size: 13px; color: var(--silver-3); }

/* ===========================================
   CASE DETAIL MODAL  — Level 2
   =========================================== */
.case-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.case-modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.case-modal {
  background: var(--dark-2);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px;
  width: 100%;
  max-width: 1100px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(40px) scale(0.97);
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
  scrollbar-width: thin;
  scrollbar-color: var(--blue-2) var(--dark-3);
}

.case-modal-overlay.open .case-modal {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 20px; right: 20px;
  z-index: 10;
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(0,0,0,0.5);
  color: var(--silver-2);
  font-size: 16px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}
.modal-close:hover {
  background: var(--blue-2);
  border-color: var(--blue-1);
  color: #fff;
  transform: rotate(90deg);
}

/* Modal hero image */
.modal-hero-img-wrap {
  position: relative;
  width: 100%;
  height: 380px;
  overflow: hidden;
  border-radius: 24px 24px 0 0;
}

.modal-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
  filter: brightness(0.6);
}

.modal-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 30%,
    rgba(0,0,0,0.8) 100%
  );
}

.modal-hero-info {
  position: absolute;
  bottom: 32px; left: 40px;
}

.modal-category-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 50px;
  font-family: var(--font-en);
  margin-bottom: 10px;
  background: rgba(0,170,255,0.25);
  border: 1px solid rgba(0,170,255,0.5);
  color: var(--blue-1);
}
.modal-category-badge.cat-outdoor {
  background: rgba(0,170,255,0.2); border-color: rgba(0,170,255,0.5); color: var(--blue-1);
}
.modal-category-badge.cat-flash {
  background: rgba(160,80,255,0.2); border-color: rgba(160,80,255,0.5); color: #c080ff;
}
.modal-category-badge.cat-integrated {
  background: rgba(0,200,120,0.2); border-color: rgba(0,200,120,0.5); color: #00c878;
}

.modal-brand-name {
  font-family: var(--font-en);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 900;
  color: var(--white);
  line-height: 1;
  text-shadow: 0 2px 20px rgba(0,0,0,0.5);
  margin-bottom: 8px;
}

.modal-location {
  font-size: 15px;
  color: var(--silver-2);
  letter-spacing: 0.5px;
}

/* Modal body layout */
.modal-body {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 48px;
  padding: 40px 40px 48px;
}

.modal-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.3;
}

.modal-desc {
  font-size: 15px;
  color: var(--silver-2);
  line-height: 1.9;
  margin-bottom: 32px;
}

/* Gallery strip */
.modal-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}

.modal-gallery-item {
  border-radius: 10px;
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(255,255,255,0.05);
}

.modal-gallery-item:hover {
  transform: scale(1.03);
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}

.modal-gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(0.85);
  transition: filter 0.3s ease;
}
.modal-gallery-item:hover img { filter: brightness(1); }

/* Modal right column */
.modal-right {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

/* Metrics box */
.modal-metrics {
  background: var(--dark-3);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.modal-metric-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.modal-metric-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.modal-metric-num {
  font-family: var(--font-en);
  font-size: 36px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--white), var(--blue-1));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.modal-metric-label {
  font-size: 13px;
  color: var(--silver-3);
}

/* Tags */
.modal-tags-title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--silver-4);
  font-family: var(--font-en);
  margin-bottom: 12px;
}

.modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.modal-tag {
  font-size: 12px;
  padding: 5px 14px;
  background: rgba(0,170,255,0.07);
  border: 1px solid rgba(0,170,255,0.15);
  border-radius: 50px;
  color: var(--blue-1);
  font-family: var(--font-en);
}

/* Modal navigation arrows */
.modal-nav {
  display: flex;
  gap: 12px;
  margin-top: auto;
}

.modal-prev,
.modal-next {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--dark-3);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  color: var(--silver-2);
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-zh);
}

.modal-prev:hover,
.modal-next:hover {
  border-color: var(--blue-1);
  color: var(--blue-1);
  box-shadow: 0 0 16px var(--blue-glow);
}

/* Fullscreen gallery lightbox */
.img-lightbox {
  position: fixed;
  inset: 0;
  z-index: 3000;
  background: rgba(0,0,0,0.96);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.img-lightbox.open {
  opacity: 1;
  pointer-events: all;
}

.img-lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 0 80px rgba(0,170,255,0.2);
}

.lightbox-close {
  position: absolute;
  top: 24px; right: 24px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}

.lightbox-close:hover { background: var(--blue-2); }

/* ===========================================
   WHY US
   =========================================== */
.section-why {
  padding: 100px 0;
  background: var(--dark-2);
}

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

.why-card {
  background: var(--dark-3);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
}

.why-card:hover {
  border-color: rgba(0,170,255,0.2);
  transform: translateY(-4px);
  box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.why-icon {
  font-size: 28px;
  color: var(--blue-1);
  margin-bottom: 16px;
}

.why-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.why-desc {
  font-size: 14px;
  color: var(--silver-3);
  line-height: 1.7;
}

/* ===========================================
   CTA SECTION
   =========================================== */
.section-cta {
  position: relative;
  padding: 120px 0;
  background: var(--dark-1);
  text-align: center;
  overflow: hidden;
}

#ctaCanvas {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 2;
}

.cta-title {
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.2;
}

.cta-desc {
  font-size: 16px;
  color: var(--silver-3);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.8;
}

/* ===========================================
   FOOTER
   =========================================== */
.site-footer {
  background: var(--dark-2);
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 60px 0 32px;
}

.footer-top {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 60px;
  margin-bottom: 48px;
}

.footer-logo {
  font-family: var(--font-en);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 3px;
  color: var(--white);
  margin-bottom: 12px;
}

.footer-tagline {
  font-size: 13px;
  color: var(--silver-3);
  font-style: italic;
  font-family: var(--font-en);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

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

.footer-col-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--white);
  text-transform: uppercase;
  margin-bottom: 4px;
  font-family: var(--font-en);
}

.footer-col a {
  font-size: 14px;
  color: var(--silver-3);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--blue-1); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.05);
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copy {
  font-size: 13px;
  color: var(--silver-4);
  font-family: var(--font-en);
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--silver-3);
  text-decoration: none;
  font-size: 15px;
  transition: var(--transition);
}

.footer-social a:hover {
  border-color: var(--blue-1);
  color: var(--blue-1);
  box-shadow: 0 0 12px var(--blue-glow);
}

/* ===========================================
   SCROLL ANIMATIONS
   =========================================== */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Stagger delays */
[data-aos]:nth-child(2) { transition-delay: 0.1s; }
[data-aos]:nth-child(3) { transition-delay: 0.2s; }
[data-aos]:nth-child(4) { transition-delay: 0.3s; }
[data-aos]:nth-child(5) { transition-delay: 0.4s; }

/* ===========================================
   KEYFRAMES
   =========================================== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

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

/* ===========================================
   EXTRA POLISH
   =========================================== */

/* Shimmer line separator */
.section-services::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue-3), transparent);
}

/* Section alternation background subtle accent */
.section-about::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
}

/* Pulse on CTA button */
@keyframes pulse-blue {
  0%, 100% { box-shadow: 0 0 30px var(--blue-glow); }
  50% { box-shadow: 0 0 60px var(--blue-glow-strong), 0 0 100px var(--blue-glow); }
}

.btn-large {
  animation: pulse-blue 3s ease infinite;
}

.btn-large:hover {
  animation: none;
}

/* Numbers count animation */
.number-card.counting .number-val {
  animation: countPop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes countPop {
  0% { transform: scale(0.7); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

/* Glow divider lines between sections */
.section-resources::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue-3), transparent);
}

/* ===========================================
   RESPONSIVE
   =========================================== */
@media (max-width: 1200px) {
  .cases-grid-new { grid-template-columns: repeat(3, 1fr); }
  .cases-grid-new .case-img-card:first-child { grid-column: span 2; }
}

@media (max-width: 1024px) {
  .services-grid { grid-template-columns: 1fr; }
  .ai-cards { grid-template-columns: 1fr; }
  .res-grid,
  .celebrity-grid,
  .media-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; gap: 40px; }
  .modal-body { grid-template-columns: 1fr; }
  .modal-right { flex-direction: row; flex-wrap: wrap; gap: 20px; }
  .modal-metrics { flex: 1; min-width: 200px; }
  .modal-tags-wrap { flex: 1; min-width: 200px; }
  .modal-nav { width: 100%; }
}

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .globe-container { width: 280px; height: 280px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .cases-grid-new { grid-template-columns: repeat(2, 1fr); }
  .cases-grid-new .case-img-card:first-child { grid-column: span 2; }
  .modal-hero-img-wrap { height: 260px; }
  .modal-brand-name { font-size: 32px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-cta { display: none; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.97);
    backdrop-filter: blur(20px);
    justify-content: center;
    align-items: center;
    gap: 16px;
    z-index: 999;
  }

  .nav-links.open a {
    font-size: 22px;
    padding: 12px 24px;
  }

  .numbers-grid { flex-direction: column; gap: 4px; }
  .number-card::after { display: none; }

  .services-grid,
  .ai-cards,
  .res-grid,
  .celebrity-grid,
  .media-grid,
  .why-grid { grid-template-columns: 1fr; }

  .timeline-item { grid-template-columns: 80px 1fr; }

  .footer-top { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr 1fr; }

  .case-modal-overlay { padding: 12px; }
  .modal-body { padding: 24px 20px 32px; gap: 24px; }
  .modal-hero-info { left: 20px; bottom: 20px; }
  .modal-gallery { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .container { padding: 0 20px; }
  .hero-btns { flex-direction: column; align-items: center; }
  .footer-links { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-scroll-hint { display: none; }
  .cases-grid-new { grid-template-columns: 1fr 1fr; }
  .cases-grid-new .case-img-card:first-child { grid-column: span 2; }
  .modal-right { flex-direction: column; }
}