/* =============================================
   YIWANJING - 软件开发公司官网 样式表 v2
   ============================================= */

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

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #0f0f1a;
  --bg-tertiary: #151525;
  --bg-card: #1a1a2e;
  --bg-card-hover: #1f1f35;
  --border: rgba(255,255,255,0.06);
  --border-light: rgba(255,255,255,0.1);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --accent: #22d3ee;
  --accent-dark: #06b6d4;
  --accent-glow: rgba(34,211,238,0.15);
  --accent-gradient: linear-gradient(135deg, #22d3ee 0%, #8b5cf6 100%);
  --gradient-1: linear-gradient(135deg, #22d3ee, #3b82f6, #8b5cf6);
  --success: #22c55e;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --container: 1280px;
  --section-padding: 120px;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  --transition: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

html { scroll-behavior: smooth; font-size: 16px; }

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

::selection { background: var(--accent); color: var(--bg-primary); }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }

/* ---------- Cursor Glow ---------- */
.cursor-glow {
  position: fixed;
  width: 400px; height: 400px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  background: radial-gradient(circle, rgba(34,211,238,0.12) 0%, rgba(139,92,246,0.05) 40%, transparent 70%);
  transform: translate(-50%, -50%);
  mix-blend-mode: screen;
  transition: opacity 0.3s;
}

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
}

.section { padding: var(--section-padding) 0; position: relative; }

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 80px;
}

.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 500;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(34,211,238,0.2);
  padding: 6px 18px; border-radius: 100px;
  margin-bottom: 24px; letter-spacing: 0.02em;
}

.section-title {
  font-size: 48px; font-weight: 800;
  line-height: 1.15; letter-spacing: -0.03em;
  margin-bottom: 20px; color: var(--text-primary);
}

.section-desc {
  font-size: 18px; color: var(--text-secondary);
  line-height: 1.7; max-width: 560px; margin: 0 auto;
}

.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600; border-radius: var(--radius);
  transition: all var(--transition);
  white-space: nowrap; position: relative; overflow: hidden;
}

.btn-primary {
  background: var(--accent-gradient); color: #fff;
  padding: 14px 32px; font-size: 16px;
  box-shadow: 0 0 30px rgba(34,211,238,0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 40px rgba(34,211,238,0.4);
}

.btn-outline {
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  padding: 14px 32px; font-size: 16px;
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--accent); color: var(--accent);
  background: var(--accent-glow);
}

.btn-sm { padding: 10px 24px; font-size: 14px; }
.btn-lg { padding: 16px 36px; font-size: 17px; }

/* ---------- Header ---------- */
.header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000; padding: 14px 0;
  transition: all var(--transition);
}

.header.scrolled {
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}

.header .container {
  display: flex; align-items: center; justify-content: space-between;
}

.logo { display: flex; align-items: center; gap: 10px; z-index: 1001; }
.logo-icon { font-size: 28px; color: var(--accent); filter: drop-shadow(0 0 10px rgba(34,211,238,0.5)); }
.logo-text { font-size: 22px; font-weight: 800; letter-spacing: -0.02em; color: var(--text-primary); }
.logo-accent { color: var(--accent); font-weight: 700; }

.nav-list { display: flex; gap: 8px; }

.nav-link {
  padding: 8px 16px; font-size: 15px; font-weight: 500;
  color: var(--text-secondary); border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.nav-link:hover,
.nav-link.active { color: var(--text-primary); background: var(--bg-card); }

.mobile-toggle { display: none; flex-direction: column; gap: 5px; z-index: 1001; padding: 4px; }
.mobile-toggle span { width: 24px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: all var(--transition); }
.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; overflow: hidden; padding: 120px 0 60px;
}

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

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

.hero-grid {
  position: absolute; inset: 0;
  background-image: 
    linear-gradient(rgba(34,211,238,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34,211,238,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 70% 50%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 50%, black 30%, transparent 70%);
}

.hero-glow {
  position: absolute; border-radius: 50%; filter: blur(120px);
}

.hero-glow-1 {
  width: 600px; height: 600px; background: var(--accent);
  top: -200px; right: -100px;
}

.hero-glow-2 {
  width: 400px; height: 400px; background: #8b5cf6;
  bottom: -100px; left: -50px;
}

.hero-particles { position: absolute; inset: 0; }

.hero-content { max-width: 580px; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--bg-card); border: 1px solid var(--border);
  padding: 8px 20px; border-radius: 100px;
  font-size: 14px; color: var(--text-secondary);
  margin-bottom: 32px;
}

.badge-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-size: 64px; font-weight: 900; line-height: 1.08;
  letter-spacing: -0.04em; margin-bottom: 24px;
}

.hero-desc {
  font-size: 18px; color: var(--text-secondary);
  line-height: 1.8; margin-bottom: 40px; max-width: 500px;
}

.hero-actions { display: flex; gap: 16px; margin-bottom: 64px; }

.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.stat-item { text-align: center; }

.stat-number {
  display: block; font-size: 40px; font-weight: 900;
  letter-spacing: -0.03em; color: var(--text-primary);
  line-height: 1; margin-bottom: 6px;
}

.stat-label { font-size: 13px; color: var(--text-tertiary); font-weight: 500; }

/* Hero Visual */
.hero-visual {
  position: relative; display: flex;
  justify-content: center; align-items: center; height: 500px;
}

.hero-cube {
  width: 160px; height: 160px; position: relative;
  transform-style: preserve-3d;
  animation: cubeSpin 16s linear infinite;
}

.cube-face {
  position: absolute; width: 160px; height: 160px;
  border: 2px solid rgba(34,211,238,0.3);
  background: rgba(34,211,238,0.05);
  backdrop-filter: blur(4px); border-radius: 4px;
}

.front  { transform: translateZ(80px); }
.back   { transform: rotateY(180deg) translateZ(80px); }
.right  { transform: rotateY(90deg) translateZ(80px); }
.left   { transform: rotateY(-90deg) translateZ(80px); }
.top    { transform: rotateX(90deg) translateZ(80px); }
.bottom { transform: rotateX(-90deg) translateZ(80px); }

@keyframes cubeSpin {
  from { transform: rotateX(-25deg) rotateY(0deg); }
  to   { transform: rotateX(-25deg) rotateY(360deg); }
}

/* Floating Cards */
.hero-float-card {
  position: absolute; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px 20px; display: flex; align-items: center;
  gap: 10px; font-size: 13px; color: var(--text-secondary);
  backdrop-filter: blur(10px); box-shadow: var(--shadow);
}

.card-1 { top: 10%; right: 0; }
.card-2 { bottom: 25%; left: 0; }
.card-3 { bottom: 10%; right: 10%; }

.mini-chart { width: 60px; }
.mini-avatar-group { display: flex; }
.mini-avatar {
  width: 24px; height: 24px; border-radius: 50%;
  border: 2px solid var(--bg-card); margin-left: -8px;
}
.mini-avatar:first-child { margin-left: 0; }
.a1 { background: linear-gradient(135deg, #22d3ee, #3b82f6); }
.a2 { background: linear-gradient(135deg, #8b5cf6, #ec4899); }
.a3 { background: linear-gradient(135deg, #22c55e, #10b981); }
.a4 { background: linear-gradient(135deg, #f59e0b, #ef4444); }

.code-blink { color: var(--success); animation: blink 2s ease-in-out infinite; }

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute; bottom: 32px; left: 50%;
  transform: translateX(-50%); display: flex;
  flex-direction: column; align-items: center; gap: 8px;
  font-size: 11px; color: var(--text-tertiary);
  letter-spacing: 0.1em; text-transform: uppercase;
}

.scroll-mouse {
  width: 24px; height: 36px; border: 2px solid var(--text-tertiary);
  border-radius: 12px; display: flex; justify-content: center; padding-top: 6px;
}

.scroll-dot {
  width: 4px; height: 8px; border-radius: 2px;
  background: var(--accent);
  animation: scrollDot 2s ease-in-out infinite;
}

@keyframes scrollDot {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(12px); opacity: 0; }
}

/* ---------- About ---------- */
.about { background: var(--bg-secondary); }

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

.about-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 40px 32px;
  transition: all var(--transition); position: relative; overflow: hidden;
  cursor: default;
}

.about-card::before {
  content: ''; position: absolute; inset: 0;
  background: var(--accent-gradient); opacity: 0;
  transition: opacity var(--transition);
}

.about-card:hover { border-color: rgba(34,211,238,0.2); }

.about-card:hover::before { opacity: 0.03; }

.about-icon {
  width: 56px; height: 56px; display: flex;
  align-items: center; justify-content: center;
  background: var(--accent-glow);
  border: 1px solid rgba(34,211,238,0.2);
  border-radius: var(--radius); color: var(--accent);
  margin-bottom: 24px; position: relative; z-index: 1;
}

.about-card h3 { font-size: 22px; font-weight: 700; margin-bottom: 12px; position: relative; z-index: 1; }
.about-card p { color: var(--text-secondary); line-height: 1.7; position: relative; z-index: 1; }

/* ---------- Services ---------- */
.services { position: relative; }

.services::before {
  content: ''; position: absolute;
  top: -200px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(139,92,246,0.06) 0%, transparent 70%);
  pointer-events: none;
}

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

.service-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 36px 28px;
  transition: all var(--transition); position: relative;
}

.service-card:hover { border-color: rgba(34,211,238,0.2); }

.service-badge {
  position: absolute; top: 16px; right: 16px;
  font-size: 11px; font-weight: 600;
  padding: 4px 12px; border-radius: 100px;
}

.service-badge.hot { background: rgba(239,68,68,0.15); color: #ef4444; }

.service-icon-wrap {
  width: 64px; height: 64px; display: flex;
  align-items: center; justify-content: center;
  background: var(--accent-glow);
  border: 1px solid rgba(34,211,238,0.2);
  border-radius: var(--radius); color: var(--accent);
  margin-bottom: 24px;
}

.service-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
.service-card > p { color: var(--text-secondary); font-size: 14px; line-height: 1.7; margin-bottom: 24px; }

.service-features { display: flex; flex-direction: column; gap: 10px; }
.service-features li {
  font-size: 13px; color: var(--text-tertiary);
  padding-left: 20px; position: relative;
}
.service-features li::before {
  content: ''; position: absolute; left: 0; top: 7px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); opacity: 0.6;
}

/* ---------- Cases ---------- */
.cases { background: var(--bg-secondary); }
.cases-grid { display: flex; flex-direction: column; gap: 40px; }

.case-card {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); overflow: hidden;
  transition: all var(--transition);
}

.case-card:hover { border-color: rgba(34,211,238,0.15); box-shadow: 0 12px 40px rgba(0,0,0,0.3); }

.case-image { position: relative; overflow: hidden; min-height: 320px; }

.case-img-placeholder {
  width: 100%; height: 100%; display: flex;
  align-items: center; justify-content: center;
  position: absolute; inset: 0;
}

.c1 { background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #172554 100%); }
.c2 { background: linear-gradient(135deg, #1a0a2e 0%, #2d1b69 50%, #0f172a 100%); }
.c3 { background: linear-gradient(135deg, #0f172a 0%, #0c4a6e 50%, #164e63 100%); }

.case-demo-ui {
  width: 85%; max-width: 400px;
  background: rgba(15,15,26,0.9);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.case-demo-ui.mobile { width: 55%; max-width: 220px; }

.demo-header {
  display: flex; gap: 6px; padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.case-demo-ui.mobile .demo-header { justify-content: center; }
.demo-header span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.2); }

.demo-body { padding: 16px; display: flex; gap: 12px; }
.case-demo-ui.mobile .demo-body { flex-direction: column; }

.demo-sidebar { width: 60px; background: rgba(34,211,238,0.05); border-radius: 6px; }

.demo-content { flex: 1; display: flex; flex-direction: column; gap: 8px; }
.demo-line { height: 6px; border-radius: 3px; background: rgba(255,255,255,0.05); }
.l1 { width: 100%; } .l2 { width: 75%; } .l3 { width: 50%; }

.demo-chart {
  display: flex; align-items: flex-end; gap: 4px;
  height: 60px; margin-top: 8px;
}

.demo-chart span {
  flex: 1; border-radius: 3px 3px 0 0;
  background: linear-gradient(to top, var(--accent), rgba(139,92,246,0.4));
}

.demo-banner { height: 50px; background: rgba(139,92,246,0.1); border-radius: 6px; }
.demo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; }
.demo-card { height: 40px; background: rgba(255,255,255,0.03); border-radius: 4px; }

.demo-map {
  position: relative; height: 100px;
  background: rgba(255,255,255,0.02); border-radius: 6px; overflow: hidden;
}

.demo-pin {
  position: absolute; width: 8px; height: 8px;
  background: var(--accent); border-radius: 50%;
  animation: pinPulse 2s ease-in-out infinite;
}

.p1 { top: 30%; left: 25%; }
.p2 { top: 50%; left: 55%; animation-delay: 0.5s; }
.p3 { top: 20%; left: 75%; animation-delay: 1s; }

@keyframes pinPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34,211,238,0.4); }
  50% { box-shadow: 0 0 0 12px rgba(34,211,238,0); }
}

.demo-path {
  position: absolute; top: 35%; left: 25%; width: 60%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  transform: rotate(-10deg);
}

.demo-stats { display: flex; gap: 16px; margin-top: 12px; }
.demo-stat-item { display: flex; flex-direction: column; }
.demo-stat-item span { font-size: 20px; font-weight: 700; color: var(--accent); font-family: var(--font-mono); }
.demo-stat-item small { font-size: 10px; color: var(--text-tertiary); }

.case-info {
  padding: 40px 40px 40px 0;
  display: flex; flex-direction: column; justify-content: center;
}

.case-category {
  display: inline-block; font-size: 12px; font-weight: 600;
  color: var(--accent); text-transform: uppercase;
  letter-spacing: 0.1em; margin-bottom: 12px;
}

.case-info h3 { font-size: 28px; font-weight: 700; margin-bottom: 16px; letter-spacing: -0.02em; }
.case-info > p { color: var(--text-secondary); line-height: 1.7; margin-bottom: 24px; }

.case-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.case-tags span {
  font-size: 12px; padding: 4px 12px; border-radius: 100px;
  background: var(--bg-tertiary); color: var(--text-secondary);
  font-weight: 500; font-family: var(--font-mono);
}

.case-result { display: flex; gap: 24px; }
.case-result span { font-size: 14px; color: var(--success); font-weight: 600; }

.cases-more { text-align: center; margin-top: 48px; }

/* ---------- Process ---------- */
.process-steps { max-width: 800px; margin: 0 auto; position: relative; }

.process-line {
  position: absolute; left: 39px; top: 60px; bottom: 60px;
  width: 2px; background: var(--border);
}

.process-progress {
  width: 100%; height: 0%;
  background: var(--accent-gradient);
}

.step { display: flex; gap: 32px; padding: 32px 0; position: relative; }

.step-number {
  width: 80px; height: 80px; min-width: 80px;
  border-radius: 50%; border: 2px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; font-weight: 800;
  font-family: var(--font-mono); color: var(--text-tertiary);
  background: var(--bg-primary); z-index: 1;
  transition: all 0.4s ease;
}

.step.active .step-number {
  border-color: var(--accent); color: var(--accent);
  background: var(--accent-glow);
  box-shadow: 0 0 20px rgba(34,211,238,0.2);
}

.step-content { padding-top: 16px; }
.step-content h4 { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.step-content p { color: var(--text-secondary); line-height: 1.7; }

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

.tech-group {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 36px;
  transition: all var(--transition);
}

.tech-group:hover { border-color: rgba(34,211,238,0.15); }

.tech-group h3 {
  font-size: 18px; font-weight: 700; color: var(--accent);
  margin-bottom: 24px; padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.tech-items { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.tech-item {
  display: flex; align-items: center; gap: 10px;
  font-size: 14px; color: var(--text-secondary);
  padding: 10px 14px; border-radius: var(--radius-sm);
  background: var(--bg-tertiary); transition: all var(--transition);
}

.tech-item:hover { background: var(--bg-card-hover); color: var(--text-primary); }
.tech-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* ---------- Testimonials ---------- */
.testimonials { background: var(--bg-secondary); overflow: hidden; }

.testimonial-slider { max-width: 900px; margin: 0 auto; overflow: hidden; }
.testimonial-track { display: flex; }

.testimonial-card {
  min-width: 100%; padding: 40px 48px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); position: relative;
}

.testimonial-quote {
  font-size: 80px; line-height: 1; font-weight: 900;
  color: var(--accent); opacity: 0.2;
  margin-bottom: -20px; font-family: Georgia, serif;
}

.testimonial-text {
  font-size: 20px; line-height: 1.8;
  color: var(--text-primary); margin-bottom: 32px; font-weight: 500;
}

.testimonial-author { display: flex; align-items: center; gap: 14px; }
.author-avatar { width: 48px; height: 48px; border-radius: 50%; }
.testimonial-author strong { display: block; font-size: 16px; margin-bottom: 2px; }
.testimonial-author span { font-size: 13px; color: var(--text-tertiary); }

.testimonial-dots { display: flex; justify-content: center; gap: 8px; margin-top: 32px; }
.testimonial-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--border-light); cursor: pointer;
  transition: all var(--transition);
}
.testimonial-dot.active {
  background: var(--accent); width: 24px; border-radius: 4px;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--bg-tertiary); border-top: 1px solid var(--border);
  padding: 80px 0 32px;
}

.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; margin-bottom: 48px;
}

.footer-brand p { color: var(--text-secondary); line-height: 1.7; margin-top: 20px; max-width: 300px; font-size: 14px; }

.footer-social { display: flex; gap: 12px; margin-top: 24px; }
.social-link {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); display: flex;
  align-items: center; justify-content: center;
  color: var(--text-tertiary); transition: all var(--transition);
}
.social-link:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }

.footer-links h4 { font-size: 14px; font-weight: 700; color: var(--text-primary); margin-bottom: 20px; }
.footer-links ul { display: flex; flex-direction: column; gap: 12px; }
.footer-links a { font-size: 14px; color: var(--text-tertiary); transition: color var(--transition); }
.footer-links a:hover { color: var(--accent); }

.footer-bottom { padding-top: 24px; border-top: 1px solid var(--border); text-align: center; }
.footer-bottom p { font-size: 13px; color: var(--text-tertiary); }

/* ---------- Scroll Reveal GSAP Class ---------- */
.gsap-reveal { opacity: 0; visibility: hidden; }

/* ---------- Responsive ---------- */
@media (max-width: 1200px) {
  :root { --section-padding: 80px; }
  .hero-title { font-size: 48px; }
  .hero .container { gap: 40px; }
  .case-card { grid-template-columns: 1fr; }
  .case-info { padding: 0 32px 40px; }
  .case-image { min-height: 250px; }
}

@media (max-width: 1024px) {
  .container { padding: 0 24px; }
  .section-title { font-size: 36px; }
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero-content { max-width: 100%; }
  .hero-desc { max-width: 100%; }
  .hero-actions { justify-content: center; }
  .hero-visual { display: none; }
  .hero-stats { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; }
  .about-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --section-padding: 60px; }
  .container { padding: 0 20px; }
  .section-title { font-size: 30px; }
  .section-desc { font-size: 16px; }
  .cursor-glow { display: none; }

  .nav {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(10,10,15,0.98); backdrop-filter: blur(20px);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; pointer-events: none;
    transition: opacity var(--transition);
  }
  .nav.open { opacity: 1; pointer-events: all; }
  .nav-list { flex-direction: column; align-items: center; gap: 8px; }
  .nav-link { font-size: 22px; padding: 12px 24px; }
  .header .btn-primary { display: none; }
  .mobile-toggle { display: flex; }
  .hero-title { font-size: 36px; }
  .hero-stats { gap: 24px; }
  .stat-number { font-size: 28px; }
  .about-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: 1fr; }
  .tech-items { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .testimonial-card { padding: 28px 24px; }
  .testimonial-text { font-size: 16px; }
  .process-line { left: 27px; }
  .step-number { width: 56px; height: 56px; min-width: 56px; font-size: 18px; }
  .step { gap: 20px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 28px; }
  .hero-actions { flex-direction: column; }
  .hero-stats { gap: 16px; }
  .stat-number { font-size: 24px; }
  .case-result { flex-direction: column; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}