/* ============================================
   Trust冷钱包 - 全站样式表
   深空蓝→极光紫渐变 | 磨砂玻璃 | 响应式
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Noto+Sans+SC:wght@300;400;500;700;900&display=swap');

/* CSS Variables */
:root {
  --deep-space: #0a0e27;
  --aurora-purple: #6c3ce0;
  --aurora-blue: #1a3a8f;
  --neon-blue: #00d4ff;
  --neon-green: #00ff88;
  --neon-purple: #a855f7;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --text-primary: #e8eaf6;
  --text-secondary: #9ca3c7;
  --text-accent: #00d4ff;
  --card-radius: 16px;
  --section-padding: 80px 0;
  --max-width: 1200px;
  --font-main: 'Inter', 'Noto Sans SC', 'PingFang SC', -apple-system, sans-serif;
  --gradient-main: linear-gradient(135deg, #0a0e27 0%, #1a1545 30%, #2d1b69 60%, #6c3ce0 100%);
  --gradient-card: linear-gradient(135deg, rgba(108,60,224,0.15), rgba(0,212,255,0.08));
  --gradient-btn: linear-gradient(135deg, #6c3ce0, #00d4ff);
  --gradient-text: linear-gradient(90deg, #00d4ff, #a855f7);
}

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

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

body {
  font-family: var(--font-main);
  background: var(--deep-space);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

/* 网格背景 */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-image:
    linear-gradient(rgba(108,60,224,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(108,60,224,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* 粒子效果容器 */
.particles-bg {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 3px; height: 3px;
  background: var(--neon-blue);
  border-radius: 50%;
  opacity: 0.4;
  animation: floatParticle 20s infinite linear;
}

.particle:nth-child(2n) { background: var(--neon-purple); width: 2px; height: 2px; animation-duration: 25s; }
.particle:nth-child(3n) { background: var(--neon-green); width: 4px; height: 4px; opacity: 0.2; animation-duration: 30s; }

@keyframes floatParticle {
  0% { transform: translateY(100vh) translateX(0); opacity: 0; }
  10% { opacity: 0.4; }
  90% { opacity: 0.4; }
  100% { transform: translateY(-100vh) translateX(100px); opacity: 0; }
}

/* Container */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

/* ============ HEADER ============ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10, 14, 39, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: all 0.3s ease;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 800;
  font-size: 1.3rem;
}

.logo img {
  height: 36px;
  width: auto;
}

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

/* Navigation */
.main-nav { display: flex; align-items: center; gap: 6px; }

.main-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.main-nav a:hover, .main-nav a.active {
  color: var(--neon-blue);
  background: rgba(0, 212, 255, 0.08);
}

.nav-download-btn {
  background: var(--gradient-btn) !important;
  color: #fff !important;
  padding: 8px 20px !important;
  border-radius: 24px !important;
  font-weight: 600 !important;
}

.nav-download-btn:hover {
  box-shadow: 0 0 20px rgba(108, 60, 224, 0.5);
  transform: translateY(-1px);
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 70px; left: 0; right: 0;
  background: rgba(10, 14, 39, 0.98);
  backdrop-filter: blur(20px);
  padding: 20px;
  border-bottom: 1px solid var(--glass-border);
  z-index: 999;
}

.mobile-nav.active { display: block; }

.mobile-nav a {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.mobile-nav a:hover { color: var(--neon-blue); background: rgba(0,212,255,0.08); }

/* Search Bar */
.search-bar {
  background: rgba(10, 14, 39, 0.7);
  border-bottom: 1px solid var(--glass-border);
  padding: 12px 0;
  margin-top: 70px;
}

.search-wrapper {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-input {
  flex: 1;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 10px 18px;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font-main);
  outline: none;
  transition: border-color 0.3s;
}

.search-input:focus { border-color: var(--neon-blue); }

.search-input::placeholder { color: var(--text-secondary); }

.search-btn {
  background: var(--gradient-btn);
  border: none;
  color: #fff;
  padding: 10px 24px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s;
}

.search-btn:hover { box-shadow: 0 0 15px rgba(108,60,224,0.4); }

.search-status {
  display: none;
  color: var(--neon-blue);
  font-size: 0.85rem;
  margin-top: 8px;
  animation: pulse 1.5s infinite;
}

@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.5; } }

/* Breadcrumb */
.breadcrumb {
  padding: 16px 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.breadcrumb a {
  color: var(--neon-blue);
  text-decoration: none;
}

.breadcrumb a:hover { text-decoration: underline; }

.breadcrumb span { margin: 0 8px; }

/* ============ HERO SECTION ============ */
.hero-section {
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
  min-height: 85vh;
  display: flex;
  align-items: center;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%; right: -30%;
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(108,60,224,0.2), transparent 70%);
  border-radius: 50%;
  animation: heroGlow 8s ease-in-out infinite alternate;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -30%; left: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,212,255,0.12), transparent 70%);
  border-radius: 50%;
  animation: heroGlow 10s ease-in-out infinite alternate-reverse;
}

@keyframes heroGlow {
  0% { transform: scale(1) translate(0, 0); }
  100% { transform: scale(1.2) translate(30px, -20px); }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-text h1 {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 20px;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text h2 {
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: 30px;
  line-height: 1.6;
}

.hero-badges {
  display: flex;
  gap: 12px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--neon-blue);
  backdrop-filter: blur(10px);
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient-btn);
  color: #fff;
  padding: 14px 32px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(108,60,224,0.4);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--neon-blue);
  padding: 14px 32px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  border: 1px solid var(--neon-blue);
  transition: all 0.3s;
  cursor: pointer;
}

.btn-secondary:hover {
  background: rgba(0,212,255,0.1);
  transform: translateY(-2px);
}

.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image img {
  max-width: 100%;
  height: auto;
  border-radius: 20px;
  position: relative;
  z-index: 2;
}

.hero-image::before {
  content: '';
  position: absolute;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(108,60,224,0.3), transparent);
  border-radius: 50%;
  z-index: 1;
  animation: heroGlow 6s ease-in-out infinite alternate;
}

/* ============ GLASS CARDS ============ */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--card-radius);
  padding: 30px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--gradient-btn);
  opacity: 0;
  transition: opacity 0.3s;
}

.glass-card:hover {
  border-color: rgba(108,60,224,0.3);
  transform: translateY(-4px);
  box-shadow: var(--glass-shadow);
}

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

/* Section Titles */
.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2, .section-title h3, .section-title h4 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.8;
}

/* Section */
.section { padding: var(--section-padding); position: relative; z-index: 1; }

/* ============ DASHBOARD ============ */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.dash-card {
  text-align: center;
  padding: 30px 20px;
}

.dash-card .dash-icon {
  width: 48px; height: 48px;
  margin: 0 auto 16px;
  background: var(--gradient-card);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.dash-card .dash-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--neon-blue);
  margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
}

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

.dash-card .dash-change {
  font-size: 0.8rem;
  margin-top: 4px;
}

.dash-change.up { color: var(--neon-green); }
.dash-change.down { color: #ff4757; }

/* ============ NEWS / ARTICLES GRID ============ */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.article-card { cursor: pointer; }

.article-card .card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 12px 12px 0 0;
  margin: -30px -30px 20px -30px;
  width: calc(100% + 60px);
}

.article-card h5, .article-card h6 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
  line-height: 1.5;
}

.article-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.article-tag {
  background: rgba(108,60,224,0.2);
  color: var(--neon-purple);
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
}

/* ============ EXPERT SECTION ============ */
.experts-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.expert-card {
  text-align: center;
  padding: 30px 20px;
}

.expert-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  margin: 0 auto 16px;
  background: var(--gradient-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  border: 2px solid var(--glass-border);
}

.expert-card h6 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.expert-card .expert-title {
  font-size: 0.8rem;
  color: var(--neon-blue);
  margin-bottom: 12px;
}

.expert-card .expert-quote {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.6;
}

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

.review-card { padding: 30px; }

.review-stars {
  color: #ffd700;
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.review-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.review-author-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--gradient-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.review-author-info .name {
  font-weight: 600;
  font-size: 0.9rem;
}

.review-author-info .date {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* ============ VIDEO CARDS ============ */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.video-card {
  position: relative;
  cursor: pointer;
  overflow: hidden;
  border-radius: var(--card-radius);
  aspect-ratio: 16/9;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
}

.video-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.video-card:hover img { transform: scale(1.05); }

.video-play-btn {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0);
  width: 64px; height: 64px;
  background: rgba(108,60,224,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  backdrop-filter: blur(10px);
}

.video-play-btn::after {
  content: '';
  width: 0; height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent #fff;
  margin-left: 4px;
}

.video-card:hover .video-play-btn { transform: translate(-50%, -50%) scale(1); }

.video-card .video-title {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 20px;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
}

/* ============ SHARE BUTTONS ============ */
.share-section {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.share-section span {
  font-weight: 600;
  color: var(--text-secondary);
}

.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.3s;
  cursor: pointer;
}

.share-btn:hover {
  background: rgba(108,60,224,0.2);
  border-color: var(--aurora-purple);
  transform: translateY(-2px);
}

/* ============ COMMUNITY / FORUM ============ */
.forum-list { display: flex; flex-direction: column; gap: 16px; }

.forum-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
}

.forum-item .forum-avatar {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--gradient-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.forum-item .forum-content { flex: 1; }

.forum-item .forum-content h6 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.forum-item .forum-content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.forum-item .forum-meta {
  text-align: right;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* ============ STEPS / GUIDE ============ */
.steps-container {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.step-bar {
  display: flex;
  justify-content: center;
  gap: 0;
  margin-bottom: 40px;
  position: relative;
}

.step-bar::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 10%; right: 10%;
  height: 2px;
  background: var(--glass-border);
  z-index: 0;
}

.step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  position: relative;
  z-index: 1;
  padding: 0 20px;
}

.step-number {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 2px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  transition: all 0.3s;
}

.step-item.active .step-number {
  background: var(--gradient-btn);
  border-color: var(--neon-blue);
  color: #fff;
}

.step-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-align: center;
  transition: color 0.3s;
}

.step-item.active .step-label { color: var(--neon-blue); }

.step-content {
  display: none;
  animation: fadeIn 0.5s ease;
}

.step-content.active { display: block; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ============ SVG ANIMATION ============ */
.svg-animation-container {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}

.encryption-layer {
  opacity: 0;
  animation: layerReveal 2s ease forwards;
}

.encryption-layer:nth-child(2) { animation-delay: 0.5s; }
.encryption-layer:nth-child(3) { animation-delay: 1s; }

@keyframes layerReveal { to { opacity: 1; } }

.data-flow-line {
  stroke-dasharray: 200;
  stroke-dashoffset: 200;
  animation: drawLine 3s ease forwards infinite;
}

@keyframes drawLine {
  to { stroke-dashoffset: 0; }
}

/* ============ FOOTER ============ */
.site-footer {
  background: rgba(5, 8, 20, 0.9);
  border-top: 1px solid var(--glass-border);
  padding: 60px 0 30px;
  position: relative;
  z-index: 1;
}

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

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-col h6 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-col a {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 4px 0;
  transition: color 0.3s;
}

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

.footer-contact p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 8px;
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid var(--glass-border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.footer-bottom .update-time {
  color: var(--neon-blue);
  font-size: 0.8rem;
}

/* ============ CONTENT ARTICLE ============ */
.article-content {
  max-width: 900px;
  margin: 0 auto;
}

.article-content h3, .article-content h4, .article-content h5 {
  margin: 30px 0 16px;
  font-weight: 700;
}

.article-content h3 { font-size: 1.6rem; }
.article-content h4 { font-size: 1.3rem; }
.article-content h5 { font-size: 1.1rem; }

.article-content p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.article-content ul, .article-content ol {
  color: var(--text-secondary);
  padding-left: 24px;
  margin-bottom: 20px;
}

.article-content li {
  margin-bottom: 8px;
  line-height: 1.7;
}

.article-content img {
  max-width: 100%;
  border-radius: 12px;
  margin: 20px 0;
}

.article-content blockquote {
  border-left: 3px solid var(--neon-blue);
  padding: 16px 24px;
  margin: 24px 0;
  background: var(--glass-bg);
  border-radius: 0 12px 12px 0;
  color: var(--text-secondary);
  font-style: italic;
}

/* ============ TAGS ============ */
.tags-section {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0;
}

.tag {
  background: rgba(108,60,224,0.15);
  color: var(--neon-purple);
  padding: 5px 14px;
  border-radius: 16px;
  font-size: 0.8rem;
  text-decoration: none;
  transition: all 0.3s;
}

.tag:hover {
  background: rgba(108,60,224,0.3);
}

/* ============ COUNTER ANIMATION ============ */
.counter {
  font-variant-numeric: tabular-nums;
}

/* ============ LAZY LOAD ============ */
.lazy-img {
  opacity: 0;
  transition: opacity 0.5s ease;
}

.lazy-img.loaded { opacity: 1; }

/* ============ JSON-LD (hidden) ============ */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-text h1 { font-size: 2.4rem; }
  .hero-btns { justify-content: center; }
  .hero-badges { justify-content: center; }
  .hero-image { margin-top: 40px; }
  .dashboard-grid { grid-template-columns: repeat(2, 1fr); }
  .articles-grid { grid-template-columns: repeat(2, 1fr); }
  .experts-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: 1fr; }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .main-nav { display: none; }
  .mobile-menu-btn { display: block; }
  .hero-section { padding: 100px 0 60px; min-height: auto; }
  .hero-text h1 { font-size: 2rem; }
  .hero-text h2 { font-size: 1.1rem; }
  .section { padding: 50px 0; }
  .section-title h2, .section-title h3, .section-title h4 { font-size: 1.6rem; }
  .dashboard-grid { grid-template-columns: repeat(2, 1fr); }
  .articles-grid { grid-template-columns: 1fr; }
  .experts-grid { grid-template-columns: 1fr 1fr; }
  .video-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .step-bar { flex-wrap: wrap; gap: 8px; }
  .step-bar::before { display: none; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero-text h1 { font-size: 1.6rem; }
  .dashboard-grid { grid-template-columns: 1fr; }
  .experts-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; align-items: center; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
  .glass-card { padding: 20px; }
  .dash-card .dash-value { font-size: 1.4rem; }
}

/* ============ UTILITY ============ */
.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }
.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }
.gap-20 { gap: 20px; }

/* Security page - 3 layer encryption */
.encryption-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  padding: 40px 0;
}

.layer-card {
  width: 100%;
  max-width: 700px;
  padding: 30px;
  border-left: 4px solid;
  transition: all 0.5s;
}

.layer-card:nth-child(1) { border-color: var(--neon-blue); }
.layer-card:nth-child(2) { border-color: var(--neon-purple); }
.layer-card:nth-child(3) { border-color: var(--neon-green); }

.layer-card h5 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.layer-card p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Market ticker */
.ticker-bar {
  overflow: hidden;
  background: rgba(0,0,0,0.3);
  border-radius: 12px;
  padding: 12px 0;
  margin-bottom: 30px;
}

.ticker-content {
  display: flex;
  gap: 40px;
  animation: ticker 30s linear infinite;
  white-space: nowrap;
}

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

.ticker-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
}

.ticker-item .symbol { font-weight: 700; color: var(--text-primary); }
.ticker-item .price { color: var(--neon-blue); }
.ticker-item .change-up { color: var(--neon-green); }
.ticker-item .change-down { color: #ff4757; }

/* Feature list with icons */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-item {
  padding: 30px;
  text-align: center;
}

.feature-icon {
  width: 64px; height: 64px;
  margin: 0 auto 20px;
  border-radius: 16px;
  background: var(--gradient-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.feature-item h5 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  font-weight: 700;
}

.feature-item p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .feature-grid { grid-template-columns: 1fr; }
}

/* CSS-drawn icons */
.icon-shield {
  position: relative;
  width: 32px; height: 38px;
  background: var(--neon-blue);
  border-radius: 2px 2px 16px 16px;
  clip-path: polygon(50% 0%, 100% 15%, 100% 65%, 50% 100%, 0% 65%, 0% 15%);
}

.icon-lock {
  position: relative;
  width: 24px; height: 20px;
  background: var(--neon-purple);
  border-radius: 4px;
}

.icon-lock::before {
  content: '';
  position: absolute;
  top: -12px; left: 4px;
  width: 16px; height: 14px;
  border: 3px solid var(--neon-purple);
  border-radius: 10px 10px 0 0;
  border-bottom: none;
}

.icon-chain {
  display: flex;
  gap: 2px;
}

.icon-chain span {
  width: 10px; height: 10px;
  border: 2px solid var(--neon-green);
  border-radius: 3px;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--deep-space); }
::-webkit-scrollbar-thumb { background: var(--aurora-purple); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--neon-purple); }