/* ============================================================
   数字币钱包 - 主样式表
   配色：深色背景(#0f172a) + 科技蓝(#3b82f6) + 渐变紫(#8b5cf6)
          + 青色点缀(#06b6d4) + 白色
   ============================================================ */

/* --- CSS Variables --- */
:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: #1a2332;
  --bg-card-hover: #1e2d3d;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-blue: #3b82f6;
  --accent-blue-light: #60a5fa;
  --accent-purple: #8b5cf6;
  --accent-purple-light: #a78bfa;
  --accent-cyan: #06b6d4;
  --accent-cyan-light: #22d3ee;
  --gradient-primary: linear-gradient(135deg, #3b82f6, #8b5cf6);
  --gradient-cyan: linear-gradient(135deg, #06b6d4, #3b82f6);
  --gradient-hero: linear-gradient(180deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
  --border-color: rgba(59, 130, 246, 0.2);
  --border-glow: rgba(59, 130, 246, 0.4);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 20px rgba(59,130,246,0.3);
  --shadow-glow-purple: 0 0 20px rgba(139,92,246,0.3);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  --container-max: 1200px;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-blue-light);
}

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

/* --- Utility Classes --- */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */

/* Fade In Up */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 10px rgba(59,130,246,0.4); }
  50%      { box-shadow: 0 0 30px rgba(59,130,246,0.7); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-15px); }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

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

@keyframes borderRotate {
  0%   { border-color: var(--accent-blue); }
  33%  { border-color: var(--accent-purple); }
  66%  { border-color: var(--accent-cyan); }
  100% { border-color: var(--accent-blue); }
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

/* ============================================================
   HEADER & NAVIGATION
   ============================================================ */

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition-normal), box-shadow var(--transition-normal);
}

header.scrolled {
  background: rgba(15, 23, 42, 0.95);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.logo a {
  color: inherit;
  -webkit-text-fill-color: transparent;
}

nav ul {
  display: flex;
  gap: 28px;
  align-items: center;
}

nav ul li a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 6px 0;
  position: relative;
  transition: color var(--transition-fast);
}

nav ul li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
  transition: width var(--transition-normal);
}

nav ul li a:hover,
nav ul li a.active {
  color: var(--text-primary);
}

nav ul li a:hover::after,
nav ul li a.active::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* ============================================================
   HERO SECTION
   ============================================================ */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 20px 80px;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(59,130,246,0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 80%, rgba(139,92,246,0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.3);
  border-radius: 50px;
  font-size: 0.9rem;
  color: var(--accent-blue-light);
  margin-bottom: 24px;
  animation: fadeInUp 0.6s ease;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  animation: fadeInUp 0.6s ease 0.1s both;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 36px;
  animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease 0.3s both;
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 15px rgba(59,130,246,0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(59,130,246,0.5);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--accent-blue);
  background: rgba(59,130,246,0.08);
  transform: translateY(-3px);
  color: var(--accent-blue-light);
}

.btn-cyan {
  background: var(--gradient-cyan);
  color: #fff;
  box-shadow: 0 4px 15px rgba(6,182,212,0.3);
}

.btn-cyan:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(6,182,212,0.5);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--accent-blue-light);
  border: 2px solid var(--accent-blue);
}

.btn-outline:hover {
  background: var(--accent-blue);
  color: #fff;
  transform: translateY(-3px);
}

.btn-lg {
  padding: 16px 40px;
  font-size: 1.1rem;
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.9rem;
}

.btn-xl {
  padding: 18px 48px;
  font-size: 1.15rem;
  border-radius: var(--radius-xl);
}

/* ============================================================
   FEATURES SECTION
   ============================================================ */

.features {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
  margin-top: 20px;
}

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

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow);
  border-color: var(--border-glow);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(59,130,246,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
  transition: all var(--transition-normal);
}

.feature-card:hover .feature-icon {
  background: rgba(59,130,246,0.2);
  box-shadow: 0 0 20px rgba(59,130,246,0.2);
}

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  font-weight: 700;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */

.services {
  padding: 100px 0;
  background: var(--bg-primary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px 30px;
  transition: all var(--transition-normal);
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.service-card:hover {
  border-color: var(--accent-purple);
  box-shadow: var(--shadow-glow-purple);
  transform: translateY(-5px);
}

.service-card .service-icon {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: rgba(139,92,246,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.93rem;
}

/* ============================================================
   DOWNLOAD / CTA SECTION
   ============================================================ */

.cta-section {
  padding: 100px 0;
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at 30% 50%, rgba(59,130,246,0.08) 0%, transparent 50%),
              radial-gradient(circle at 70% 50%, rgba(139,92,246,0.08) 0%, transparent 50%);
  pointer-events: none;
}

.cta-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 60px 40px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.cta-card h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-card p {
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Download button special style */
.btn-download {
  background: var(--gradient-primary);
  color: #fff;
  padding: 16px 36px;
  border-radius: var(--radius-lg);
  font-size: 1.08rem;
  font-weight: 700;
  animation: pulseGlow 2.5s ease-in-out infinite;
  transition: all var(--transition-normal);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.btn-download:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 12px 35px rgba(59,130,246,0.5);
  color: #fff;
  animation: none;
}

/* ============================================================
   WALLET LIST TABLE
   ============================================================ */

.wallet-section {
  padding: 100px 0;
  background: var(--bg-primary);
}

.wallet-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  margin-top: 20px;
}

.wallet-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 700px;
}

.wallet-table thead {
  background: rgba(59,130,246,0.08);
}

.wallet-table th {
  padding: 16px 20px;
  text-align: left;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--accent-blue-light);
  white-space: nowrap;
}

.wallet-table td {
  padding: 16px 20px;
  border-top: 1px solid var(--border-color);
  font-size: 0.93rem;
  color: var(--text-secondary);
}

.wallet-table tbody tr {
  transition: background var(--transition-fast);
}

.wallet-table tbody tr:hover {
  background: rgba(59,130,246,0.04);
}

.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.badge-blue {
  background: rgba(59,130,246,0.15);
  color: var(--accent-blue-light);
}

.badge-green {
  background: rgba(34,197,94,0.15);
  color: #4ade80;
}

.badge-purple {
  background: rgba(139,92,246,0.15);
  color: var(--accent-purple-light);
}

/* ============================================================
   NEWS / BLOG SECTION
   ============================================================ */

.news-section {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}

.news-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-glow);
}

.news-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.news-card-body {
  padding: 24px;
}

.news-card-body .tag {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(59,130,246,0.12);
  color: var(--accent-blue-light);
  border-radius: 4px;
  font-size: 0.8rem;
  margin-bottom: 10px;
}

.news-card-body h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  line-height: 1.5;
}

.news-card-body p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 12px;
}

.news-card-body .date {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ============================================================
   ABOUT PAGE - TIMELINE
   ============================================================ */

.timeline {
  position: relative;
  padding: 40px 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-blue), var(--accent-purple));
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 48px;
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row;
}

.timeline-item:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-blue);
  border: 3px solid var(--bg-primary);
  transform: translateX(-50%);
  z-index: 1;
  box-shadow: 0 0 12px rgba(59,130,246,0.5);
}

.timeline-content {
  width: 44%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all var(--transition-normal);
}

.timeline-content:hover {
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-glow);
}

.timeline-content h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--accent-blue-light);
}

.timeline-content p {
  color: var(--text-secondary);
  font-size: 0.93rem;
}

/* ============================================================
   TEAM SECTION
   ============================================================ */

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
}

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition-normal);
}

.team-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
  border-color: var(--accent-purple);
}

.team-card img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin: 0 auto 16px;
  border: 3px solid var(--accent-blue);
}

.team-card h3 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.team-card .role {
  color: var(--accent-blue-light);
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.team-card p {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* ============================================================
   FAQ PAGE
   ============================================================ */

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.faq-item:hover {
  border-color: var(--border-glow);
}

.faq-item summary {
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  transition: background var(--transition-fast);
}

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

.faq-item summary::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--accent-blue);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
  margin-left: 12px;
}

.faq-item[open] summary::after {
  content: '−';
  transform: rotate(180deg);
}

.faq-item[open] summary {
  background: rgba(59,130,246,0.06);
}

.faq-item .faq-answer {
  padding: 0 24px 24px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 20px;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast);
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all var(--transition-normal);
}

.contact-info-card:hover {
  border-color: var(--accent-blue);
}

.contact-info-card h3 {
  font-size: 1.08rem;
  margin-bottom: 10px;
  color: var(--accent-blue-light);
}

.contact-info-card p {
  color: var(--text-secondary);
  font-size: 0.93rem;
}

.social-links {
  display: flex;
  gap: 16px;
  margin-top: 8px;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(59,130,246,0.1);
  transition: all var(--transition-normal);
  font-size: 1.2rem;
}

.social-links a:hover {
  background: var(--accent-blue);
  transform: translateY(-3px);
}

/* ============================================================
   STATS SECTION
   ============================================================ */

.stats-section {
  padding: 80px 0;
  background: var(--bg-secondary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 28px;
  text-align: center;
}

.stat-card {
  padding: 30px 20px;
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.stat-label {
  color: var(--text-secondary);
  margin-top: 8px;
  font-size: 1rem;
}

/* ============================================================
   SECURITY SECTION
   ============================================================ */

.security-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.security-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  text-align: center;
  transition: all var(--transition-normal);
}

.security-card:hover {
  border-color: #22c55e;
  box-shadow: 0 0 20px rgba(34,197,94,0.15);
  transform: translateY(-5px);
}

.security-card .security-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.security-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.security-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ============================================================
   PAGE HERO (INNER PAGES)
   ============================================================ */

.page-hero {
  padding: 140px 0 80px;
  text-align: center;
  background: var(--gradient-hero);
  position: relative;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(59,130,246,0.12) 0%, transparent 60%);
  pointer-events: none;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.page-hero p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================================
   BREADCRUMB
   ============================================================ */

.breadcrumb {
  padding: 16px 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--text-secondary);
}

.breadcrumb a:hover {
  color: var(--accent-blue-light);
}

.breadcrumb span {
  margin: 0 8px;
}

/* ============================================================
   FOOTER
   ============================================================ */

footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h3 {
  font-size: 1.05rem;
  margin-bottom: 16px;
  font-weight: 700;
}

.footer-col p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
  color: var(--accent-blue-light);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ============================================================
   RESPONSIVE DESIGN
   ============================================================ */

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-item,
  .timeline-item:nth-child(even) {
    flex-direction: row;
    padding-left: 50px;
  }

  .timeline-dot {
    left: 20px;
  }

  .timeline-content {
    width: 100%;
  }

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

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  nav ul {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    transform: translateY(-120%);
    transition: transform var(--transition-normal);
    border-bottom: 1px solid var(--border-color);
  }

  nav ul.open {
    transform: translateY(0);
  }

  .hero {
    padding: 100px 20px 60px;
    min-height: auto;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .features-grid,
  .services-grid,
  .news-grid,
  .security-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .cta-card {
    padding: 40px 24px;
  }

  .cta-card h2 {
    font-size: 1.5rem;
  }

  .hero-buttons,
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .wallet-table-wrap {
    font-size: 0.85rem;
  }

  .wallet-table th,
  .wallet-table td {
    padding: 10px 12px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.5rem;
  }

  .section-title {
    font-size: 1.4rem;
  }

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

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

  .stat-number {
    font-size: 2.2rem;
  }

  .contact-form {
    padding: 24px 16px;
  }
}

/* ============================================================
   PRINT STYLES
   ============================================================ */
@media print {
  header, footer, .cta-section, .hero-buttons {
    display: none;
  }
  body {
    background: #fff;
    color: #000;
  }
}