@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Source+Sans+3:ital,wght@0,400;0,600;1,400&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg: #F8F9FA;
  --surface: #FFFFFF;
  --surface-2: #F3F4F5;
  --card: #FFFFFF;
  --border: #E2E8F0;
  --border-strong: #C3C6D1;
  --text: #191C1D;
  --muted: #475569;
  --outline: #737780;
  --accent: #003366;
  --accent-strong: #001E40;
  --accent-soft: #D5E3FF;
  --secondary: #B6171E;
  --secondary-strong: #93000A;
  --secondary-soft: #FFDAD6;
  --navy: #001F3F;
  --on-primary: #FFFFFF;
  --on-secondary: #FFFFFF;
  --tag-options: #0891B2;
  --tag-ml: #6366F1;
  --tag-crypto: #8B5CF6;
  --tag-india: #F59E0B;
  --tag-hindi: #2E7D32;
  --shadow: 0 1px 2px rgba(0, 0, 0, .06);
  --ghost: 0 2px 8px rgba(0, 51, 102, .08);
  --radius: 0.5rem;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: 'Inter', sans-serif; color: var(--accent-strong); }
a { color: var(--accent); }
code, pre { font-family: 'JetBrains Mono', monospace; }

.wrap { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* ---------- Header (glass, deep brand) ---------- */
.site-header {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none;
  color: var(--accent-strong);
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.brand img { height: 32px; width: 32px; }
.nav-links { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.nav-links a {
  color: #43474f;
  text-decoration: none;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.83rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  transition: color .2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-cta {
  background: var(--secondary) !important;
  color: #fff !important;
  padding: 9px 18px;
  border-radius: 9999px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: background .2s, transform .2s;
  white-space: nowrap;
}
.nav-cta:hover { background: #DA3433 !important; color: #fff !important; transform: translateY(-1px); }

/* ---------- Hero (hemisphere) ---------- */
.hero { padding: 70px 0 30px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 48px; align-items: center; }
.hero h1 {
  font-family: 'Inter', sans-serif;
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--accent-strong);
  margin-bottom: 18px;
}
.hero .lead {
  font-size: 1.15rem;
  line-height: 1.65;
  color: var(--muted);
  max-width: 720px;
  margin: 0 0 22px;
}
.hero-benefits {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
}
.hero-benefits li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 8px;
  color: #2a2e33;
  font-size: 1rem;
}
.hero-benefits li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-media { display: block; text-align: center; }
.hero-media img {
  display: block;
  width: 100%;
  max-width: 240px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--ghost), 0 12px 28px rgba(0, 51, 102, 0.14);
}
.hero-media figcaption {
  margin-top: 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-media { order: -1; max-width: 300px; margin: 0 auto 8px; }
}

/* ---------- Buttons (pill) ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 9999px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  transition: all .2s;
  box-shadow: var(--shadow);
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-strong); transform: translateY(-1px); box-shadow: var(--ghost); }
.btn-secondary { background: #fff; color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--surface-2); transform: translateY(-1px); box-shadow: var(--ghost); }
.btn-action { background: var(--secondary); color: #fff; }
.btn-action:hover { background: var(--secondary-strong); transform: translateY(-1px); box-shadow: var(--ghost); }

/* ---------- Stats strip ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
  padding: 34px 0;
}
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  padding: 22px 14px;
  transition: box-shadow .2s;
}
.stat:hover { box-shadow: var(--ghost); }
.stat strong {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}
.stat span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- Sections ---------- */
.section { padding: 46px 0; }
.section-head { margin-bottom: 28px; }
.kicker {
  font-family: 'JetBrains Mono', monospace;
  color: var(--secondary);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.section-head h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); font-weight: 700; letter-spacing: -0.01em; }
.section-head p { color: var(--muted); margin-top: 8px; max-width: 640px; }

/* ---------- Category cards ---------- */
.category-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; }
.cat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-decoration: none;
  color: var(--text);
  transition: all .2s;
}
.cat-card:hover { border-color: rgba(0, 51, 102, .35); box-shadow: var(--ghost); }
.cat-card h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 8px; }
.cat-card p { font-size: 0.9rem; color: var(--muted); margin-bottom: 12px; }
.cat-count {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.03em;
}

/* ---------- Article list (cards) ---------- */
.article-list { display: flex; flex-direction: column; gap: 10px; }
.article-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  text-decoration: none;
  color: var(--text);
  display: block;
  transition: all .2s;
}
.article-item:hover { border-color: rgba(0, 51, 102, .35); box-shadow: var(--ghost); }
.article-item h3 { font-size: 1rem; font-weight: 600; color: var(--accent-strong); line-height: 1.4; }
.article-item .article-meta { font-size: 0.8rem; color: var(--muted); white-space: nowrap; }

/* ---------- Category chips ---------- */
.article-tag {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #fff;
  background: var(--accent);
  padding: 3px 9px;
  border-radius: 4px;
  margin-left: 8px;
  vertical-align: middle;
}
.tag-options  { background: var(--tag-options); }
.tag-ml       { background: var(--tag-ml); }
.tag-crypto   { background: var(--tag-crypto); }
.tag-india    { background: var(--tag-india); }
.tag-regulated, .tag-regulation { background: #F59E0B; }
.tag-hindi    { background: var(--tag-hindi); }
.tag-options-trading  { background: var(--tag-options); }
.tag-machine-learning { background: var(--tag-ml); }
.tag-crypto-trading, .tag-cryptocurrency { background: var(--tag-crypto); }

/* ---------- FAQ ---------- */
.faq-list { max-width: 820px; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item summary {
  padding: 18px 0;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::after { content: '+'; font-size: 1.3rem; color: var(--accent); margin-left: 16px; }
.faq-item[open] summary::after { content: '−'; }
.faq-item p { padding: 0 0 18px; color: var(--muted); font-size: 0.97rem; line-height: 1.7; max-width: 760px; }

/* ---------- Author box ---------- */
.author-box {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 28px;
  display: flex;
  gap: 22px;
  align-items: flex-start;
}
.author-box img { width: 96px; height: 96px; border-radius: 50%; object-fit: cover; }
.author-info h3 { font-size: 1.05rem; margin-bottom: 8px; }
.author-info p { color: var(--muted); font-size: 0.92rem; margin-bottom: 8px; }
.author-links { display: flex; gap: 14px; flex-wrap: wrap; }
.author-links a { color: var(--accent); text-decoration: none; font-size: 0.85rem; font-weight: 600; }
.author-links a:hover { text-decoration: underline; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, #001E40 0%, #003366 100%);
  color: #fff;
  text-align: center;
  padding: 52px 20px;
  border-radius: 0.75rem;
  margin: 40px 0;
}
.cta-band h2 { font-family: 'Inter', sans-serif; font-size: 1.6rem; font-weight: 700; color: #fff; margin-bottom: 14px; }
.cta-band p { color: #B9C7DF; margin-bottom: 22px; max-width: 640px; margin-left: auto; margin-right: auto; }
.cta-band .btn-action { background: var(--secondary); color: #fff; }

/* ---------- Footer (deep navy) ---------- */
.site-footer { background: var(--navy); color: #C7D3E5; padding: 46px 0 22px; margin-top: 60px; }
.site-footer .wrap { max-width: 1280px; }
.site-footer h4 { color: #fff; }
.site-footer a { color: #9FB2C8; }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 30px; margin-bottom: 30px; }
.footer-col h4 { margin-bottom: 12px; font-size: 0.9rem; font-family: 'Inter', sans-serif; font-weight: 600; }
.footer-col a { display: block; text-decoration: none; font-size: 0.87rem; padding: 3px 0; }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.12); padding-top: 18px; text-align: center; color: #8FA3BA; font-size: 0.8rem; }

/* ---------- Article typography ---------- */
.article-body h2 {
  font-family: 'Inter', sans-serif;
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--accent-strong);
  letter-spacing: -0.01em;
  margin: 36px 0 14px;
}
.article-body h3 {
  font-family: 'Inter', sans-serif;
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--accent-strong);
  margin: 26px 0 10px;
}
.article-body p { margin: 0 0 16px; color: #23272a; }
.article-body ul, .article-body ol { margin: 0 0 18px 22px; }
.article-body li { margin-bottom: 6px; }
.article-body strong { color: var(--accent-strong); }
.article-body code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 0.88em;
}
.article-body pre {
  background: #0B1F3A;
  color: #E6EEF8;
  border-radius: var(--radius);
  padding: 18px;
  overflow-x: auto;
  font-size: 0.87rem;
  line-height: 1.6;
  margin: 0 0 18px;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav { height: auto; padding: 12px 0; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  .footer-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .author-box { flex-direction: column; text-align: center; }
  .nav-links { gap: 14px 18px; }
  .article-list { gap: 8px; }
}
/* ---------- Flash offer popup ---------- */
.flash-modal { position: fixed; inset: 0; z-index: 9999; display: none; align-items: center; justify-content: center; padding: 20px; }
.flash-modal.show { display: flex; }
.flash-backdrop { position: absolute; inset: 0; background: rgba(0, 18, 38, 0.72); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
.flash-card { position: relative; z-index: 1; max-width: 460px; width: 100%; background: #fff; border-radius: 18px; padding: 34px 30px 26px; text-align: center; box-shadow: 0 24px 60px rgba(0, 20, 50, 0.45); border-top: 5px solid var(--secondary); }
.flash-close { position: absolute; top: 12px; right: 16px; border: none; background: none; font-size: 1.6rem; line-height: 1; color: var(--muted); cursor: pointer; padding: 4px; }
.flash-close:hover { color: var(--secondary); }
.flash-badge { display: inline-block; background: var(--secondary-soft); color: var(--secondary-strong); font-family: 'JetBrains Mono', monospace; font-weight: 600; font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; padding: 5px 14px; border-radius: 999px; margin-bottom: 14px; }
.flash-card h2 { font-size: 1.5rem; color: var(--accent-strong); margin-bottom: 10px; }
.flash-card p { color: var(--muted); font-size: 0.95rem; line-height: 1.55; margin-bottom: 18px; }
.flash-wa { display: inline-block; background: #25D366; color: #fff; font-family: 'Inter', sans-serif; font-weight: 700; font-size: 0.98rem; padding: 14px 28px; border-radius: 999px; text-decoration: none; transition: all 0.2s; box-shadow: 0 8px 18px rgba(37, 211, 102, 0.35); }
.flash-wa:hover { background: #1EBE5B; color: #fff; transform: translateY(-1px); }
.flash-card .flash-note { font-size: 0.8rem; color: var(--muted); margin: 14px 0 0; opacity: 0.85; }
@media (max-width: 480px) { .flash-card { padding: 28px 20px 22px; } }

/* ---------- Tools: market watch + heatmap ---------- */
.tools-bar { display: flex; align-items: center; justify-content: flex-end; margin-bottom: 14px; }
.watch-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(215px, 100%), 1fr)); gap: 12px; }
.watch-card { background: #fff; border: 1px solid var(--border, #dbe3ee); border-radius: 14px; padding: 16px 18px; box-shadow: 0 2px 10px rgba(0, 31, 63, 0.05); }
.watch-name { font-family: 'Inter', sans-serif; font-weight: 700; font-size: 0.95rem; color: var(--accent-strong); display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.watch-sym { font-family: 'JetBrains Mono', monospace; font-weight: 500; font-size: 0.68rem; color: var(--muted); letter-spacing: 0.03em; }
.watch-price { font-family: 'JetBrains Mono', monospace; font-size: 1.6rem; font-weight: 700; color: var(--accent-strong); margin: 6px 0 4px; }
.watch-chg { font-family: 'JetBrains Mono', monospace; font-size: 0.85rem; font-weight: 600; }
.watch-chg.up { color: #16a34a; } .watch-chg.down { color: var(--secondary-strong, #b6171e); } .watch-chg.flat { color: var(--muted); }
.mkt-state { display: inline-block; font-family: 'JetBrains Mono', monospace; font-weight: 700; font-size: 0.8rem; letter-spacing: 0.06em; padding: 8px 16px; border-radius: 999px; }
.mkt-state.open { background: rgba(22, 163, 74, 0.12); color: #15803d; }
.mkt-state.closed { background: var(--accent-soft); color: var(--accent-strong); }
.heat-legend { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; color: var(--muted); }
.legend-box { width: 34px; height: 12px; border-radius: 4px; }
.legend-down { background: var(--secondary); } .legend-mid { background: #dbe3ee; } .legend-up { background: #16a34a; }
.heat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(92px, 100%), 1fr)); gap: 6px; }
.heat-tile { aspect-ratio: 1 / 1; border-radius: 9px; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 6px; text-align: center; box-shadow: inset 0 0 0 1px rgba(0, 31, 63, 0.06); }
.heat-sym { font-family: 'Inter', sans-serif; font-weight: 700; font-size: 0.72rem; letter-spacing: 0.02em; line-height: 1.2; }
.heat-pct { font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; font-weight: 600; margin-top: 3px; }