/* ============================================
   夜色夜聊 - 官网样式
   暗色主题 · 玻璃态 · 渐变流光
   ============================================ */

/* --- CSS Variables --- */
:root {
  --bg-primary: #06060f;
  --bg-secondary: #0c0c1d;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-glass: rgba(255, 255, 255, 0.05);
  --border-glass: rgba(255, 255, 255, 0.08);
  --text-primary: #f0f0f5;
  --text-secondary: rgba(240, 240, 245, 0.6);
  --text-muted: rgba(240, 240, 245, 0.35);
  --accent-1: #8b5cf6;
  --accent-2: #a855f7;
  --accent-3: #ec4899;
  --accent-4: #6366f1;
  --gradient-main: linear-gradient(135deg, #6366f1, #8b5cf6, #a855f7, #ec4899);
  --gradient-subtle: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(168,85,247,0.15), rgba(236,72,153,0.15));
  --gradient-glow: radial-gradient(ellipse at 50% 0%, rgba(139,92,246,0.15) 0%, transparent 60%);
  --shadow-glow: 0 0 60px rgba(139,92,246,0.15);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --font-sans: 'Inter', 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { border: none; cursor: pointer; font-family: inherit; }
input, textarea { font-family: inherit; }

/* --- Utility --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 120px 0; position: relative; }
.section-sm { padding: 80px 0; }
.text-gradient {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* --- Background Glow Effects --- */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 20%, rgba(99,102,241,0.06) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 60%, rgba(168,85,247,0.04) 0%, transparent 50%),
              radial-gradient(ellipse at 50% 80%, rgba(236,72,153,0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* --- Animated Background Orbs --- */
.bg-orbs {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.bg-orbs .orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
  animation: orbFloat 20s ease-in-out infinite;
}
.bg-orbs .orb:nth-child(1) {
  width: 500px; height: 500px;
  background: rgba(99,102,241,0.2);
  top: -10%; left: -5%;
  animation-delay: 0s;
}
.bg-orbs .orb:nth-child(2) {
  width: 400px; height: 400px;
  background: rgba(168,85,247,0.15);
  top: 40%; right: -10%;
  animation-delay: -7s;
  animation-duration: 25s;
}
.bg-orbs .orb:nth-child(3) {
  width: 350px; height: 350px;
  background: rgba(236,72,153,0.12);
  bottom: -5%; left: 30%;
  animation-delay: -14s;
  animation-duration: 22s;
}
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -40px) scale(1.05); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(40px, 30px) scale(1.02); }
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(6,6,15,0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-glass);
  padding: 10px 0;
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.nav-logo .logo-icon {
  width: 38px; height: 38px;
  background: var(--gradient-main);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--gradient-main);
  border-radius: 1px;
  transition: width 0.3s ease;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  padding: 10px 24px;
  background: var(--gradient-main);
  border-radius: 50px;
  font-size: 0.88rem;
  font-weight: 600;
  color: #fff !important;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(139,92,246,0.3);
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(139,92,246,0.45);
}
.nav-cta::after { display: none !important; }

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 80px;
  overflow: hidden;
}
.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px 6px 8px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 50px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
}
.hero-badge .badge-dot {
  width: 8px; height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: 40px;
  line-height: 1.8;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: var(--gradient-main);
  color: #fff;
  box-shadow: 0 4px 25px rgba(139,92,246,0.35);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 40px rgba(139,92,246,0.5);
}
.btn-secondary {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(10px);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.08);
  transform: translateY(-3px);
  border-color: rgba(255,255,255,0.15);
}
.btn svg, .btn img { width: 20px; height: 20px; }

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.phone-mockup {
  position: relative;
  width: 280px;
  height: 560px;
  background: linear-gradient(160deg, rgba(139,92,246,0.2), rgba(236,72,153,0.2));
  border-radius: 40px;
  border: 1px solid rgba(255,255,255,0.1);
  overflow: hidden;
  box-shadow: var(--shadow-glow), 0 25px 60px rgba(0,0,0,0.5);
  backdrop-filter: blur(20px);
}
.phone-mockup::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 120px; height: 28px;
  background: var(--bg-primary);
  border-radius: 0 0 20px 20px;
  z-index: 2;
}
.phone-screen {
  width: 100%; height: 100%;
  padding: 40px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.phone-screen .chat-bubble {
  max-width: 80%;
  padding: 12px 16px;
  border-radius: 18px;
  font-size: 0.82rem;
  line-height: 1.5;
  animation: fadeInUp 0.6s ease forwards;
  opacity: 0;
}
.chat-bubble.received {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.06);
  align-self: flex-start;
  border-bottom-left-radius: 6px;
}
.chat-bubble.sent {
  background: linear-gradient(135deg, rgba(139,92,246,0.4), rgba(168,85,247,0.4));
  border: 1px solid rgba(139,92,246,0.2);
  align-self: flex-end;
  border-bottom-right-radius: 6px;
}
.chat-bubble:nth-child(1) { animation-delay: 0.3s; }
.chat-bubble:nth-child(2) { animation-delay: 0.8s; }
.chat-bubble:nth-child(3) { animation-delay: 1.3s; }
.chat-bubble:nth-child(4) { animation-delay: 1.8s; }
.chat-bubble:nth-child(5) { animation-delay: 2.3s; }
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Floating elements around phone */
.float-card {
  position: absolute;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  animation: float 6s ease-in-out infinite;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  white-space: nowrap;
}
.float-card .icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.float-card:nth-child(2) { top: 15%; right: -30px; animation-delay: -2s; }
.float-card:nth-child(3) { bottom: 25%; left: -40px; animation-delay: -4s; }
.float-card:nth-child(4) { bottom: 8%; right: -20px; animation-delay: -1s; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-2);
  margin-bottom: 16px;
}
.section-label::before, .section-label::after {
  content: '';
  width: 20px; height: 1px;
  background: var(--accent-2);
  opacity: 0.4;
}
.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 16px;
}
.section-header p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* --- Feature Cards --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--gradient-main);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.feature-card:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.12);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 56px; height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  background: var(--gradient-subtle);
  border: 1px solid rgba(139,92,246,0.15);
}
.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.feature-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* --- Stats Section --- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-item {
  text-align: center;
  padding: 40px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}
.stat-item:hover {
  background: rgba(255,255,255,0.04);
  transform: translateY(-4px);
}
.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 4px;
}
.stat-label {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* --- How It Works --- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  position: relative;
}
.steps-grid::before {
  content: '';
  position: absolute;
  top: 50px;
  left: 16.66%;
  right: 16.66%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-4), var(--accent-2), var(--accent-3));
  opacity: 0.2;
}
.step-item { text-align: center; position: relative; }
.step-number {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--gradient-subtle);
  border: 1px solid rgba(139,92,246,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 800;
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
  color: var(--accent-2);
}
.step-item h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.step-item p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* --- Testimonials --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}
.testimonial-card:hover {
  background: rgba(255,255,255,0.04);
  transform: translateY(-4px);
}
.testimonial-stars {
  color: #fbbf24;
  font-size: 0.9rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}
.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
  font-style: italic;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--gradient-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  border: 1px solid var(--border-glass);
}
.testimonial-name {
  font-size: 0.9rem;
  font-weight: 600;
}
.testimonial-role {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* --- CTA Section --- */
.cta-section {
  position: relative;
  overflow: hidden;
}
.cta-box {
  background: var(--gradient-subtle);
  border: 1px solid rgba(139,92,246,0.15);
  border-radius: var(--radius-xl);
  padding: 80px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(ellipse at center, rgba(139,92,246,0.08) 0%, transparent 60%);
  animation: rotateSlow 30s linear infinite;
}
@keyframes rotateSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.cta-box h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  position: relative;
}
.cta-box p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto 36px;
  position: relative;
}
.cta-box .btn { position: relative; }

/* --- Download Section --- */
.download-platforms {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 40px;
}
.platform-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  transition: var(--transition);
  min-width: 200px;
}
.platform-btn:hover {
  background: rgba(255,255,255,0.06);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
  border-color: rgba(255,255,255,0.12);
}
.platform-btn .platform-icon { font-size: 2rem; }
.platform-btn .platform-info { text-align: left; }
.platform-btn .platform-label { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.platform-btn .platform-name { font-size: 1.05rem; font-weight: 700; }

/* --- FAQ Section --- */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border-glass);
  padding: 24px 0;
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-size: 1.05rem;
  font-weight: 600;
  gap: 16px;
  background: none;
  color: var(--text-primary);
  width: 100%;
  text-align: left;
  padding: 0;
}
.faq-question:hover { color: var(--accent-2); }
.faq-toggle {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-item.active .faq-toggle {
  background: var(--gradient-subtle);
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-item.active .faq-answer { max-height: 300px; }
.faq-answer p {
  padding-top: 16px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--border-glass);
  padding: 60px 0 30px;
  position: relative;
  z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-top: 16px;
  max-width: 280px;
  line-height: 1.7;
}
.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
  color: var(--text-primary);
}
.footer-col a {
  display: block;
  font-size: 0.88rem;
  color: var(--text-secondary);
  padding: 5px 0;
}
.footer-col a:hover { color: var(--accent-2); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border-glass);
  font-size: 0.82rem;
  color: var(--text-muted);
}
.footer-social {
  display: flex;
  gap: 16px;
}
.footer-social a {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: var(--transition);
}
.footer-social a:hover {
  background: var(--gradient-subtle);
  border-color: rgba(139,92,246,0.3);
  transform: translateY(-2px);
}

/* --- Page Hero (Inner Pages) --- */
.page-hero {
  padding: 160px 0 80px;
  text-align: center;
  position: relative;
}
.page-hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.page-hero p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.8;
}

/* --- Privacy / About Content --- */
.content-block {
  max-width: 760px;
  margin: 0 auto;
}
.content-block h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 48px 0 16px;
  letter-spacing: -0.02em;
}
.content-block h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 32px 0 12px;
}
.content-block p, .content-block li {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 12px;
}
.content-block ul {
  padding-left: 20px;
  list-style: disc;
}
.content-block ul li { margin-bottom: 8px; }

/* --- Team Grid --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  max-width: 800px;
  margin: 40px auto 0;
}
.team-card {
  text-align: center;
  padding: 36px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}
.team-card:hover {
  background: rgba(255,255,255,0.04);
  transform: translateY(-4px);
}
.team-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--gradient-subtle);
  border: 2px solid rgba(139,92,246,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 16px;
}
.team-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 4px; }
.team-card p { font-size: 0.82rem; color: var(--text-muted); }

/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero p { margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .hero-visual { margin-top: 40px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .section { padding: 80px 0; }
  .nav-links { display: none; }
  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: rgba(6,6,15,0.95);
    backdrop-filter: blur(20px);
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border-glass);
  }
  .nav-toggle { display: flex; }
  .features-grid,
  .steps-grid,
  .testimonials-grid { grid-template-columns: 1fr; }
  .steps-grid::before { display: none; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .cta-box { padding: 50px 24px; }
  .phone-mockup { width: 240px; height: 480px; }
  .float-card { display: none; }
  .team-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .hero-buttons { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
  .stats-row { grid-template-columns: 1fr; }
  .download-platforms { flex-direction: column; align-items: center; }
  .platform-btn { width: 100%; }
}