/* === IRONBRAND EXCHANGE — Professional Design v2 === */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* === THEME SYSTEM === */
:root {
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1200px;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 6px;
  --shadow: 0 4px 24px rgba(0,0,0,.12);
  --shadow-lg: 0 8px 40px rgba(0,0,0,.2);
  --transition: .25s cubic-bezier(.4,0,.2,1);
  --green: #00c076;
  --red: #ff4d4f;
  --green-bg: rgba(0,192,118,.1);
  --red-bg: rgba(255,77,79,.1);
}

/* Dark theme (default) */
[data-theme="dark"] {
  --bg-0: #08090a;
  --bg-1: #0f1114;
  --bg-2: #16181c;
  --bg-3: #1e2026;
  --bg-4: #282a30;
  --bg-hover: #2a2d35;
  --text-0: #ffffff;
  --text-1: #e8e9eb;
  --text-2: #9ca3af;
  --text-3: #6b7280;
  --accent: #7c5cfc;
  --accent-light: #9b82fd;
  --accent-dark: #6344e0;
  --accent-bg: rgba(124,92,252,.1);
  --accent-2: #00c9ff;
  --border: rgba(255,255,255,.08);
  --border-2: rgba(255,255,255,.12);
  --glass: rgba(15,17,20,.85);
  --glass-border: rgba(255,255,255,.06);
  --gradient-hero: linear-gradient(135deg, #0f1114 0%, #1a1040 50%, #0f1114 100%);
  --gradient-accent: linear-gradient(135deg, #7c5cfc, #00c9ff);
  --gradient-card: linear-gradient(135deg, rgba(124,92,252,.05), rgba(0,201,255,.05));
  --input-bg: #1e2026;
}

/* Light theme */
[data-theme="light"] {
  --bg-0: #ffffff;
  --bg-1: #f8f9fb;
  --bg-2: #f0f2f5;
  --bg-3: #e8eaed;
  --bg-4: #dfe1e5;
  --bg-hover: #eef0f3;
  --text-0: #0f1114;
  --text-1: #1e2026;
  --text-2: #4b5563;
  --text-3: #6b7280;
  --accent: #6d4afc;
  --accent-light: #8b6efd;
  --accent-dark: #5535d4;
  --accent-bg: rgba(109,74,252,.08);
  --accent-2: #0099cc;
  --border: rgba(0,0,0,.08);
  --border-2: rgba(0,0,0,.12);
  --glass: rgba(255,255,255,.9);
  --glass-border: rgba(0,0,0,.06);
  --gradient-hero: linear-gradient(135deg, #f8f9fb 0%, #ede7ff 50%, #f8f9fb 100%);
  --gradient-accent: linear-gradient(135deg, #6d4afc, #0099cc);
  --gradient-card: linear-gradient(135deg, rgba(109,74,252,.04), rgba(0,153,204,.04));
  --input-bg: #ffffff;
  --shadow: 0 4px 24px rgba(0,0,0,.06);
  --shadow-lg: 0 8px 40px rgba(0,0,0,.1);
}

/* === RESET === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg-0);
  color: var(--text-1);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  transition: background var(--transition), color var(--transition);
}
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-light); }
img { max-width: 100%; display: block; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem; }

/* === BUTTONS === */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .625rem 1.5rem; border-radius: var(--radius-sm); font-size: .875rem;
  font-weight: 600; border: none; cursor: pointer; transition: all var(--transition);
  font-family: var(--font); white-space: nowrap;
}
.btn-primary {
  background: var(--gradient-accent); color: #fff;
  box-shadow: 0 4px 16px rgba(124,92,252,.3);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 24px rgba(124,92,252,.4); }
.btn-secondary { background: var(--bg-3); color: var(--text-1); }
.btn-secondary:hover { background: var(--bg-4); }
.btn-outline {
  background: transparent; border: 1.5px solid var(--border-2); color: var(--text-1);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-ghost { background: transparent; color: var(--text-2); }
.btn-ghost:hover { color: var(--text-0); }
.btn-lg { padding: .875rem 2rem; font-size: 1rem; border-radius: var(--radius); }
.btn-sm { padding: .375rem .875rem; font-size: .8rem; }
.btn-icon { width: 40px; height: 40px; padding: 0; border-radius: var(--radius-sm); }

/* === NAVBAR === */
.navbar {
  position: sticky; top: 0; z-index: 1000;
  background: var(--glass); backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  transition: background var(--transition);
}
.navbar .container {
  display: flex; align-items: center; justify-content: space-between; height: 68px;
}
.nav-brand {
  display: flex; align-items: center; gap: .625rem;
  font-size: 1.2rem; font-weight: 800; color: var(--text-0);
  letter-spacing: .02em;
}
.nav-brand img { height: 30px; }
.nav-center { display: flex; align-items: center; gap: .25rem; }
.nav-center a {
  color: var(--text-2); font-size: .875rem; font-weight: 500;
  padding: .5rem .875rem; border-radius: var(--radius-xs);
  transition: all var(--transition);
}
.nav-center a:hover { color: var(--text-0); background: var(--bg-hover); }
.nav-center a.active { color: var(--text-0); background: var(--accent-bg); }
/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown > a { display:flex; align-items:center; gap:.3rem; }
.nav-dropdown > a::after { content:''; border:4px solid transparent; border-top:4px solid currentColor; margin-top:2px; transition:transform var(--transition); }
.nav-dropdown:hover > a::after { transform:rotate(180deg); }
.nav-dropdown-menu {
  position:absolute; top:100%; left:50%; transform:translateX(-50%);
  min-width:240px; padding:.5rem 0;
  background:var(--glass); backdrop-filter:blur(20px) saturate(180%);
  border:1px solid var(--border); border-radius:var(--radius);
  box-shadow:var(--shadow-lg);
  opacity:0; visibility:hidden; translate:0 8px;
  transition:opacity .2s ease, visibility .2s ease, translate .2s ease;
  z-index:1001;
}
.nav-dropdown:hover .nav-dropdown-menu { opacity:1; visibility:visible; translate:0 0; }
.nav-dropdown-menu a {
  display:flex; align-items:center; gap:.625rem;
  padding:.55rem 1rem; font-size:.8rem; color:var(--text-2);
  border-radius:0; white-space:nowrap;
}
.nav-dropdown-menu a:hover { color:var(--text-0); background:var(--bg-hover); }
.nav-dropdown-menu .dd-icon { font-size:1rem; width:22px; text-align:center; flex-shrink:0; }
.nav-dropdown-menu .dd-divider { height:1px; background:var(--border); margin:.35rem 0; }
.nav-dropdown-menu .dd-label { padding:.4rem 1rem .2rem; font-size:.65rem; color:var(--text-3); text-transform:uppercase; letter-spacing:.08em; font-weight:600; }
.nav-right { display: flex; align-items: center; gap: .5rem; }

/* Theme toggle */
.theme-toggle {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  background: var(--bg-3); border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; transition: all var(--transition); color: var(--text-2);
}
.theme-toggle:hover { background: var(--bg-4); color: var(--text-0); }

/* Mobile */
.menu-toggle {
  display: none; background: none; border: none;
  color: var(--text-1); font-size: 1.5rem; cursor: pointer;
}
@media (max-width: 768px) {
  .nav-center {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    background: var(--glass); backdrop-filter: blur(20px);
    flex-direction: column; padding: 1rem; border-bottom: 1px solid var(--border);
  }
  .nav-center.open { display: flex; }
  .menu-toggle { display: block; }
  .nav-right .btn-outline, .nav-right .btn-primary { display: none; }
  .nav-dropdown-menu {
    position:static; transform:none; opacity:1; visibility:visible; translate:0;
    box-shadow:none; border:none; background:transparent; backdrop-filter:none;
    min-width:0; padding:0 0 0 1rem;
  }
  .nav-dropdown > a::after { display:none; }
}

/* === HERO === */
.hero {
  padding: 6rem 0 5rem;
  background: var(--gradient-hero);
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -50%; right: -20%;
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(124,92,252,.15) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; bottom: -30%; left: -10%;
  width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,201,255,.1) 0%, transparent 70%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero-content { max-width: 640px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--accent-bg); border: 1px solid rgba(124,92,252,.2);
  padding: .375rem 1rem; border-radius: 50px; font-size: .8rem;
  color: var(--accent-light); font-weight: 500; margin-bottom: 1.5rem;
}
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .4; } }
.hero h1 {
  font-size: 3.5rem; font-weight: 900; line-height: 1.1;
  margin-bottom: 1.25rem; letter-spacing: -.02em;
}
.hero h1 .gradient {
  background: var(--gradient-accent); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.hero p { color: var(--text-2); font-size: 1.15rem; line-height: 1.7; margin-bottom: 2rem; max-width: 500px; }
.hero-actions { display: flex; gap: .75rem; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 3rem; margin-top: 3.5rem; padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.hero-stat-value { font-size: 1.75rem; font-weight: 800; color: var(--text-0); }
.hero-stat-label { font-size: .8rem; color: var(--text-3); margin-top: .25rem; text-transform: uppercase; letter-spacing: .05em; }

/* === TICKER === */
.ticker-tape {
  background: var(--bg-1); border-bottom: 1px solid var(--border);
  overflow: hidden; height: 44px;
}
.ticker-content {
  display: flex; gap: 2.5rem; animation: ticker 40s linear infinite;
  white-space: nowrap; align-items: center; height: 44px; padding: 0 1rem;
}
.ticker-item { display: inline-flex; align-items: center; gap: .5rem; font-size: .825rem; }
.ticker-item .symbol { font-weight: 700; color: var(--text-0); }
.ticker-item .price { color: var(--text-2); font-weight: 500; }
.ticker-item .change { font-weight: 700; font-size: .8rem; padding: .15rem .5rem; border-radius: 4px; }
.ticker-item .change.up { color: #34d399; background: rgba(0,192,118,.15); }
.ticker-item .change.down { color: #f87171; background: rgba(255,77,79,.15); }
@keyframes ticker { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* === SECTIONS === */
.section { padding: 5rem 0; }
.section-header { text-align: center; margin-bottom: 3rem; }
.section-header h2 { font-size: 2.25rem; font-weight: 800; letter-spacing: -.01em; margin-bottom: .5rem; }
.section-header p { color: var(--text-2); font-size: 1.05rem; max-width: 560px; margin: 0 auto; }
.section-tag {
  display: inline-block; font-size: .75rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .1em; color: var(--accent);
  margin-bottom: .75rem;
}

/* === MARKET TABLE === */
.market-card {
  background: var(--bg-1); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}
.market-card-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--border);
}
.market-card-header h3 { font-size: 1rem; font-weight: 700; }
.market-table { width: 100%; border-collapse: collapse; }
.market-table th {
  text-align: left; padding: .75rem 1.25rem; color: var(--text-3);
  font-size: .75rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .06em; border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}
.market-table td {
  padding: .875rem 1.25rem; border-bottom: 1px solid var(--border); font-size: .9rem;
}
.market-table tbody tr { transition: background var(--transition); cursor: pointer; }
.market-table tbody tr:hover { background: var(--bg-hover); }
.market-table tbody tr:last-child td { border-bottom: none; }
.coin-cell { display: flex; align-items: center; gap: .75rem; }
.coin-cell img { width: 28px; height: 28px; border-radius: 50%; }
.coin-cell .name { font-weight: 600; color: var(--text-0); }
.coin-cell .ticker { color: var(--text-3); font-size: .8rem; margin-left: .25rem; }
.price-up { color: var(--green); }
.price-down { color: var(--red); }
.sparkline { width: 100px; height: 32px; }

/* === FEATURES === */
.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem;
}
.feature-card {
  background: var(--bg-1); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
  transition: all var(--transition); position: relative; overflow: hidden;
}
.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--gradient-accent); opacity: 0; transition: opacity var(--transition);
}
.feature-card:hover { border-color: var(--border-2); transform: translateY(-2px); box-shadow: var(--shadow); }
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 48px; height: 48px; border-radius: var(--radius-sm);
  background: var(--accent-bg); display: flex; align-items: center;
  justify-content: center; font-size: 1.5rem; margin-bottom: 1.25rem;
}
.feature-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: .5rem; color: var(--text-0); }
.feature-card p { color: var(--text-2); font-size: .875rem; line-height: 1.6; }

/* === CHART === */
.chart-container {
  background: var(--bg-1); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem; overflow: hidden;
}
.chart-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.25rem; flex-wrap: wrap; gap: .75rem;
}
.chart-pair { display: flex; align-items: center; gap: 1rem; }
.chart-pair h2 { font-size: 1.25rem; font-weight: 700; }
.chart-price { font-size: 1.5rem; font-weight: 800; color: var(--text-0); }
.chart-change {
  font-size: .85rem; font-weight: 600; padding: .2rem .625rem;
  border-radius: 4px;
}
.chart-change.price-up { color: var(--green); background: var(--green-bg); }
.chart-change.price-down { color: var(--red); background: var(--red-bg); }
.time-tabs { display: flex; gap: .25rem; background: var(--bg-2); padding: .25rem; border-radius: var(--radius-xs); }
.time-tabs button {
  background: transparent; border: none; color: var(--text-3);
  padding: .375rem .75rem; border-radius: var(--radius-xs);
  font-size: .8rem; font-weight: 600; cursor: pointer;
  transition: all var(--transition); font-family: var(--font);
}
.time-tabs button:hover { color: var(--text-1); }
.time-tabs button.active { background: var(--bg-0); color: var(--text-0); box-shadow: 0 1px 3px rgba(0,0,0,.1); }
.coin-selector { display: flex; gap: .375rem; flex-wrap: wrap; margin-top: 1rem; }
.coin-selector button {
  background: var(--bg-2); border: 1px solid var(--border); color: var(--text-2);
  padding: .375rem .875rem; border-radius: 50px; font-size: .8rem; font-weight: 600;
  cursor: pointer; transition: all var(--transition); font-family: var(--font);
}
.coin-selector button:hover { border-color: var(--accent); color: var(--accent); }
.coin-selector button.active {
  background: var(--accent-bg); border-color: var(--accent);
  color: var(--accent);
}
#mainChart { width: 100%; height: 400px; }

/* === ACADEMY === */
.academy-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 1.5rem;
}
.academy-card {
  background: var(--bg-1); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: all var(--transition);
}
.academy-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--border-2); }
.academy-card-img {
  height: 200px; background: var(--gradient-card);
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem; position: relative; overflow: hidden;
}
.academy-card-img::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 60px; background: linear-gradient(transparent, var(--bg-1));
}
.academy-card-body { padding: 1.5rem; }
.academy-card-body .meta {
  display: flex; align-items: center; gap: .75rem;
  margin-bottom: .75rem; font-size: .8rem; color: var(--text-3);
}
.academy-card-body h3 {
  font-size: 1.1rem; font-weight: 700; margin-bottom: .5rem;
  color: var(--text-0); line-height: 1.4;
}
.academy-card-body p { color: var(--text-2); font-size: .875rem; line-height: 1.6; margin-bottom: 1rem; }
.tag {
  display: inline-block; padding: .2rem .625rem; border-radius: 50px;
  font-size: .7rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em;
}
.tag.beginner { color: var(--green); background: var(--green-bg); }
.tag.intermediate { color: var(--accent); background: var(--accent-bg); }
.tag.advanced { color: var(--red); background: var(--red-bg); }
.read-time { color: var(--text-3); font-size: .8rem; }

/* === NEWSLETTER === */
.newsletter {
  background: var(--gradient-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 3rem; text-align: center;
  position: relative; overflow: hidden;
}
.newsletter::before {
  content: ''; position: absolute; top: -100px; right: -100px;
  width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, rgba(124,92,252,.08) 0%, transparent 70%);
}
.newsletter h3 { font-size: 1.5rem; font-weight: 800; margin-bottom: .5rem; }
.newsletter p { color: var(--text-2); margin-bottom: 1.5rem; }
.newsletter-form {
  display: flex; gap: .5rem; max-width: 440px; margin: 0 auto;
}
.newsletter-form input {
  flex: 1; padding: .75rem 1rem; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--input-bg);
  color: var(--text-1); font-size: .9rem; font-family: var(--font);
  transition: border-color var(--transition);
}
.newsletter-form input:focus { outline: none; border-color: var(--accent); }
.newsletter-form input::placeholder { color: var(--text-3); }
.newsletter-msg { margin-top: .75rem; font-size: .85rem; color: var(--green); display: none; }

/* === AUTH PAGES === */
.auth-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: var(--gradient-hero); padding: 2rem;
}
.auth-card {
  background: var(--bg-1); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2.5rem; width: 100%; max-width: 420px;
  box-shadow: var(--shadow-lg);
}
.auth-card .auth-logo {
  display: flex; align-items: center; justify-content: center; gap: .5rem;
  margin-bottom: 2rem; font-size: 1.2rem; font-weight: 800; color: var(--text-0);
}
.auth-card .auth-logo img { height: 28px; }
.auth-card h1 { font-size: 1.5rem; font-weight: 800; margin-bottom: .5rem; text-align: center; }
.auth-card .auth-subtitle { color: var(--text-2); text-align: center; margin-bottom: 2rem; font-size: .9rem; }
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block; font-size: .8rem; font-weight: 600; color: var(--text-2);
  margin-bottom: .375rem; text-transform: uppercase; letter-spacing: .04em;
}
.form-group input, .form-group select {
  width: 100%; padding: .75rem 1rem; border-radius: var(--radius-sm);
  border: 1.5px solid var(--border); background: var(--input-bg);
  color: var(--text-1); font-size: .9rem; font-family: var(--font);
  transition: all var(--transition);
}
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-bg); }
.form-group input::placeholder { color: var(--text-3); }
.form-group .input-icon {
  position: relative;
}
.form-group .input-icon input { padding-right: 2.5rem; }
.form-group .input-icon .toggle-pw {
  position: absolute; right: .75rem; top: 50%; transform: translateY(-50%);
  background: none; border: none; color: var(--text-3); cursor: pointer; font-size: 1rem;
}
.form-check {
  display: flex; align-items: center; gap: .5rem; margin-bottom: 1.5rem;
}
.form-check input[type="checkbox"] {
  width: 16px; height: 16px; accent-color: var(--accent);
}
.form-check label { font-size: .85rem; color: var(--text-2); cursor: pointer; }
.auth-card .btn-primary { width: 100%; padding: .875rem; font-size: .95rem; }
.auth-footer { text-align: center; margin-top: 1.5rem; font-size: .875rem; color: var(--text-2); }
.auth-divider {
  display: flex; align-items: center; gap: 1rem; margin: 1.5rem 0;
  color: var(--text-3); font-size: .8rem;
}
.auth-divider::before, .auth-divider::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.form-error { color: var(--red); font-size: .8rem; margin-top: .25rem; display: none; }

/* === LEGAL === */
.legal-content { max-width: 800px; margin: 0 auto; padding: 3rem 1.5rem; }
.legal-content h1 { font-size: 2rem; font-weight: 800; margin-bottom: .5rem; }
.legal-content .legal-date { color: var(--text-3); margin-bottom: 2rem; font-size: .9rem; }
.legal-content h2 {
  font-size: 1.2rem; font-weight: 700; margin-top: 2.5rem; margin-bottom: .75rem;
  color: var(--accent); padding-bottom: .5rem; border-bottom: 1px solid var(--border);
}
.legal-content p, .legal-content li { color: var(--text-2); font-size: .9rem; margin-bottom: .75rem; line-height: 1.7; }
.legal-content ul, .legal-content ol { padding-left: 1.5rem; }
.legal-content table { width: 100%; border-collapse: collapse; margin: 1rem 0; border-radius: var(--radius-sm); overflow: hidden; }
.legal-content th, .legal-content td {
  border: 1px solid var(--border); padding: .625rem .875rem; text-align: left; font-size: .85rem;
}
.legal-content th { background: var(--bg-2); color: var(--text-0); font-weight: 600; }
.legal-content td { color: var(--text-2); }

/* === FOOTER === */
.footer {
  background: var(--bg-1); border-top: 1px solid var(--border);
  padding: 4rem 0 1.5rem; margin-top: 0;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2.5rem;
  margin-bottom: 2.5rem;
}
.footer-brand .brand-name {
  display: flex; align-items: center; gap: .5rem;
  font-weight: 800; font-size: 1.1rem; color: var(--text-0); margin-bottom: .75rem;
}
.footer-brand .brand-name img { height: 24px; }
.footer-brand p { color: var(--text-3); font-size: .85rem; line-height: 1.6; max-width: 280px; }
.footer-col h4 {
  font-size: .75rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .08em; color: var(--text-2); margin-bottom: 1rem;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: .5rem; }
.footer-col a { color: var(--text-3); font-size: .85rem; transition: color var(--transition); }
.footer-col a:hover { color: var(--text-0); }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 1.5rem;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: .5rem;
}
.footer-bottom p { color: var(--text-3); font-size: .8rem; }

/* === CTA SECTION === */
.cta-section {
  padding: 5rem 0; text-align: center;
  background: var(--gradient-hero); position: relative;
}
.cta-section h2 { font-size: 2.5rem; font-weight: 900; margin-bottom: .75rem; }
.cta-section h2 .gradient {
  background: var(--gradient-accent); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.cta-section p { color: var(--text-2); font-size: 1.1rem; margin-bottom: 2rem; max-width: 500px; margin-left: auto; margin-right: auto; }

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero { padding: 3.5rem 0 3rem; }
  .hero h1 { font-size: 2.25rem; }
  .hero-stats { flex-direction: column; gap: 1.5rem; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .academy-grid { grid-template-columns: 1fr; }
  .newsletter-form { flex-direction: column; }
  .chart-header { flex-direction: column; align-items: flex-start; }
  #mainChart { height: 260px; }
  .market-table th:nth-child(5), .market-table td:nth-child(5),
  .market-table th:nth-child(6), .market-table td:nth-child(6),
  .market-table th:nth-child(7), .market-table td:nth-child(7) { display: none; }
  .auth-card { padding: 1.75rem; }
  .cta-section h2 { font-size: 1.75rem; }
}

/* === ARTICLE PAGE === */
.article-content {
  max-width: 720px; margin: 0 auto; padding: 2rem 1.5rem 4rem;
}
.article-content .article-header { margin-bottom: 2.5rem; }
.article-content .article-header h1 {
  font-size: 2.25rem; font-weight: 800; line-height: 1.2; margin-bottom: 1rem;
}
.article-content .article-meta {
  display: flex; align-items: center; gap: 1rem; color: var(--text-3); font-size: .85rem;
}
.article-content h2 {
  font-size: 1.4rem; font-weight: 700; margin-top: 2.5rem; margin-bottom: 1rem;
  color: var(--text-0);
}
.article-content h3 {
  font-size: 1.1rem; font-weight: 600; margin-top: 2rem; margin-bottom: .75rem;
  color: var(--text-0);
}
.article-content p {
  color: var(--text-2); font-size: .95rem; line-height: 1.8; margin-bottom: 1.25rem;
}
.article-content ul, .article-content ol {
  padding-left: 1.5rem; margin-bottom: 1.25rem;
}
.article-content li {
  color: var(--text-2); font-size: .95rem; line-height: 1.8; margin-bottom: .5rem;
}
.article-content blockquote {
  border-left: 3px solid var(--accent); padding: 1rem 1.25rem; margin: 1.5rem 0;
  background: var(--accent-bg); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.article-content blockquote p { color: var(--text-1); margin-bottom: 0; }
.article-content code {
  background: var(--bg-3); padding: .15rem .4rem; border-radius: 4px;
  font-size: .85rem; color: var(--accent);
}
.article-content .key-point {
  background: var(--gradient-card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 1.25rem 1.5rem; margin: 1.5rem 0;
}
.article-content .key-point strong { color: var(--text-0); }
.article-nav {
  display: flex; justify-content: space-between; margin-top: 3rem;
  padding-top: 2rem; border-top: 1px solid var(--border);
}

/* === TRADINGVIEW OVERRIDES === */
.tradingview-widget-copyright { display: none !important; }

/* === NEURAL 3D GRAPH === */
.neural-hero {
  position: relative; width: 100%; height: 85vh; min-height: 640px;
  overflow: hidden; background: var(--bg-0);
}
/* Ambient glow orbs */
.neural-hero::before {
  content:''; position:absolute; top:10%; left:60%;
  width:500px; height:500px; border-radius:50%;
  background:radial-gradient(circle, rgba(124,92,252,.12) 0%, transparent 70%);
  animation:orbFloat 8s ease-in-out infinite alternate;
  pointer-events:none; z-index:1;
}
.neural-hero::after {
  content:''; position:absolute; bottom:15%; right:65%;
  width:400px; height:400px; border-radius:50%;
  background:radial-gradient(circle, rgba(0,201,255,.08) 0%, transparent 70%);
  animation:orbFloat 10s ease-in-out infinite alternate-reverse;
  pointer-events:none; z-index:1;
}
@keyframes orbFloat {
  0%{transform:translate(0,0) scale(1)}
  50%{transform:translate(30px,-20px) scale(1.1)}
  100%{transform:translate(-20px,30px) scale(.95)}
}
/* Grid overlay */
.neural-grid-overlay {
  position:absolute; top:0; left:0; right:0; bottom:0;
  background-image:
    linear-gradient(rgba(124,92,252,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,92,252,.03) 1px, transparent 1px);
  background-size:60px 60px;
  animation:gridScroll 20s linear infinite;
  pointer-events:none; z-index:2;
}
@keyframes gridScroll { 0%{background-position:0 0} 100%{background-position:60px 60px} }
/* Data particles */
.hero-particles {
  position:absolute; top:0; left:0; right:0; bottom:0;
  pointer-events:none; z-index:3; overflow:hidden;
}
.hero-particle {
  position:absolute; width:2px; height:2px; border-radius:50%;
  background:#7c5cfc; opacity:.4;
  animation:particleFloat linear infinite;
}
@keyframes particleFloat {
  0%{transform:translateY(100vh) translateX(0); opacity:0}
  10%{opacity:.6}
  90%{opacity:.6}
  100%{transform:translateY(-20px) translateX(20px); opacity:0}
}
/* Data stream lines */
.hero-streams {
  position:absolute; top:0; left:0; right:0; bottom:0;
  pointer-events:none; z-index:3; overflow:hidden;
}
.data-stream {
  position:absolute; width:1px; height:80px;
  background:linear-gradient(180deg, transparent, var(--accent), transparent);
  opacity:.15; animation:streamFall linear infinite;
}
@keyframes streamFall {
  0%{transform:translateY(-100px)} 100%{transform:translateY(100vh)}
}
/* Hexagonal corner accents */
.hex-accent {
  position:absolute; pointer-events:none; z-index:4;
  font-family:'Courier New',monospace; font-size:.55rem;
  color:rgba(124,92,252,.25); letter-spacing:.1em; text-transform:uppercase;
  line-height:1.6;
}
.hex-accent.top-left { top:1rem; left:1.5rem; }
.hex-accent.bottom-right { bottom:1rem; right:1.5rem; text-align:right; }
.neural-hero #neural-graph {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  z-index: 6; cursor: pointer;
}
.neural-hero-content {
  position: absolute; top: 0; left: 0; bottom: 0;
  display: flex; flex-direction: column; justify-content: center;
  padding: 0 2rem; z-index: 10; pointer-events: none;
  width: 480px; max-width: 40%;
}
.neural-hero-content > * { pointer-events: auto; }
.neural-hero-inner {
  background: rgba(8,9,10,.75);
  backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid rgba(124,92,252,.15);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 0 8px 40px rgba(0,0,0,.4);
}
[data-theme="light"] .neural-hero-inner {
  background: rgba(248,249,251,.82);
  border-color: rgba(109,74,252,.12);
  box-shadow: 0 8px 40px rgba(0,0,0,.1);
}
.neural-overlay {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none; z-index: 5;
}
.scan-line {
  position: absolute; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent 5%, rgba(124,92,252,.4) 30%, rgba(0,201,255,.6) 50%, rgba(124,92,252,.4) 70%, transparent 95%);
  box-shadow: 0 0 12px rgba(124,92,252,.4), 0 0 30px rgba(0,201,255,.2);
  animation: scanMove 4s ease-in-out infinite;
}
@keyframes scanMove { 0%{top:0} 50%{top:100%} 100%{top:0} }
/* Secondary scan line (horizontal) */
.scan-line-h {
  position: absolute; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(180deg, transparent 5%, rgba(0,201,255,.3) 40%, rgba(124,92,252,.4) 60%, transparent 95%);
  animation: scanMoveH 6s ease-in-out infinite;
}
@keyframes scanMoveH { 0%{left:0} 50%{left:100%} 100%{left:0} }
.neural-stats {
  position: absolute; top: 1rem; right: 1.5rem;
  display: flex; flex-direction: column; gap: .5rem;
}
.ns-item {
  display: flex; align-items: center; gap: .75rem;
  background: rgba(8,9,10,.88); backdrop-filter: blur(8px);
  border: 1px solid rgba(124,92,252,.25);
  padding: .5rem .875rem; border-radius: var(--radius-xs);
  font-family: 'Courier New', monospace;
}
.ns-label { font-size: .65rem; color: var(--text-2); letter-spacing: .06em; text-transform: uppercase; }
.ns-value { font-size: .85rem; font-weight: 700; color: var(--accent-light); }
[data-theme="light"] .ns-item { background: rgba(255,255,255,.85); border-color: rgba(109,74,252,.2); }
[data-theme="light"] .ns-value { color: var(--accent-dark); }
.neural-feed {
  position: absolute; bottom: 1rem; right: 1.5rem; width: 420px; max-width: 45%;
  display: flex; flex-direction: column; gap: .375rem;
}
.feed-item {
  background: rgba(8,9,10,.9); backdrop-filter: blur(8px);
  border: 1px solid rgba(124,92,252,.2); border-left: 3px solid var(--accent);
  padding: .5rem .875rem; border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
  font-size: .8rem; color: #e0e0e0; font-family: 'Courier New', monospace;
  opacity: 0; transform: translateY(10px);
  transition: all .4s ease;
  line-height: 1.4;
  text-shadow: 0 1px 2px rgba(0,0,0,.5);
}
[data-theme="light"] .feed-item {
  background: rgba(255,255,255,.92);
  color: var(--text-1);
  text-shadow: none;
}
.feed-item.visible { opacity: 1; transform: translateY(0); }
/* === NODE SIDEBAR (click interaction) === */
.node-sidebar {
  position: fixed; top: 0; right: 0; bottom: 0; width: 380px; max-width: 90%;
  background: rgba(8,9,10,.92); backdrop-filter: blur(24px) saturate(150%);
  border-left: 1px solid rgba(124,92,252,.2);
  z-index: 999; padding: 2rem 1.75rem;
  display: flex; flex-direction: column; gap: 1rem;
  transform: translateX(100%); transition: transform .4s cubic-bezier(.4,0,.2,1);
  overflow-y: auto; pointer-events: auto;
}
.node-sidebar.open { transform: translateX(0); }
[data-theme="light"] .node-sidebar {
  background: rgba(248,249,251,.94);
  border-left-color: rgba(109,74,252,.15);
}
.node-sidebar-close {
  position: absolute; top: 1rem; right: 1rem;
  background: none; border: 1px solid var(--border-2); color: var(--text-2);
  width: 32px; height: 32px; border-radius: 50%; cursor: pointer;
  font-size: 1.2rem; display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.node-sidebar-close:hover { background: var(--accent-bg); color: var(--accent-light); border-color: var(--accent); }
.node-sidebar-icon {
  width: 48px; height: 48px; border-radius: 50%;
  margin-bottom: .25rem;
  transition: all .4s ease;
}
.node-sidebar-title {
  font-size: 1.5rem; font-weight: 800; color: var(--text-0); margin: 0; line-height: 1.2;
}
.node-sidebar-group {
  font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
  font-family: 'Courier New', monospace;
}
.node-sidebar-desc {
  font-size: .9rem; color: var(--text-2); line-height: 1.7; margin: 0;
}
.node-sidebar-data {
  display: flex; flex-direction: column; gap: .5rem;
}
.sidebar-metric {
  display: flex; justify-content: space-between; align-items: center;
  padding: .625rem .875rem;
  background: rgba(124,92,252,.06); border: 1px solid rgba(124,92,252,.12);
  border-radius: var(--radius-xs);
}
.sm-label { font-size: .75rem; color: var(--text-3); text-transform: uppercase; letter-spacing: .05em; }
.sm-value { font-size: .9rem; font-weight: 700; color: var(--text-1); font-family: 'Courier New', monospace; }
.node-sidebar-cta {
  margin-top: auto; text-align: center; text-decoration: none;
}

@media (max-width: 768px) {
  .neural-hero { height: auto; min-height: 0; }
  .neural-hero #neural-graph { position: relative; height: 300px; }
  .neural-hero-content {
    position: relative; width: 100%; max-width: 100%;
    padding: 1.5rem;
  }
  .neural-hero-inner { padding: 1.5rem; background: var(--bg-1); }
  .neural-hero-inner h1 { font-size: 1.75rem !important; }
  .neural-stats { display: none; }
  .neural-feed { display: none; }
  .node-sidebar { width: 100%; max-width: 100%; }
}