/* =========================================
   TradeBrief — Financial Intelligence Theme
   ========================================= */

:root {
  --bg: #0B1D2E;
  --surface: #0F263B;
  --surface-alt: #142F48;
  --fg: #F0F4F8;
  --fg-muted: #7A9CB5;
  --accent: #00E5A0;
  --accent-dim: rgba(0, 229, 160, 0.12);
  --bullish: #00E5A0;
  --bearish: #FF6B6B;
  --border: rgba(240, 244, 248, 0.08);
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ─── NAV ─── */
.nav {
  padding: 24px 48px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(11, 29, 46, 0.92);
  backdrop-filter: blur(12px);
  z-index: 100;
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--fg);
}
.nav-tagline {
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 0.3px;
}

/* ─── HERO ─── */
.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 96px 48px 80px;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
}
.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(36px, 5.5vw, 68px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -1.5px;
  color: var(--fg);
  margin-bottom: 28px;
}
.hero-lede {
  font-size: clamp(17px, 2vw, 20px);
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.65;
}

/* ─── BRIEFING PREVIEW ─── */
.preview {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 48px 96px;
}
.preview-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 20px;
}
.preview-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  max-width: 660px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.3), 0 0 0 1px var(--border);
}
.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.preview-pair {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.3px;
}
.preview-status {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  padding: 5px 12px;
  border-radius: 4px;
}
.preview-status.bullish {
  background: rgba(0, 229, 160, 0.15);
  color: var(--bullish);
}
.preview-levels {
  margin-bottom: 24px;
}
.level-row {
  display: grid;
  grid-template-columns: 100px 90px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  align-items: center;
  font-size: 14px;
}
.level-row:last-child { border-bottom: none; }
.level-row.highlight {
  background: var(--accent-dim);
  margin: 4px -16px;
  padding: 12px 16px;
  border-radius: 8px;
  border-bottom: none;
}
.level-label {
  color: var(--fg-muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}
.level-value {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--fg);
}
.level-note {
  color: var(--fg-muted);
  font-size: 12px;
}
.preview-setup {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}
.setup-header {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.setup-text {
  font-size: 15px;
  line-height: 1.6;
  color: var(--fg);
}
.preview-catalyst {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.5;
}
.catalyst-dot {
  color: var(--accent);
  font-size: 8px;
  margin-top: 4px;
  flex-shrink: 0;
}
.preview-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 0.2px;
}

/* ─── FEATURES ─── */
.features {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 48px;
}
.section-heading {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 52px;
  text-align: center;
}
.features-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.feature-card {
  padding: 32px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: border-color 0.2s;
}
.feature-card:hover { border-color: rgba(0, 229, 160, 0.25); }
.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-dim);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.2px;
}
.feature-card p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ─── HOW ─── */
.how {
  padding: 96px 48px;
}
.how-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.how-text h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.5vw, 34px);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 24px;
  line-height: 1.2;
}
.how-text p {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}
.how-text p:last-child { margin-bottom: 0; }
.how-visual {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.stat-block {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 24px 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
}
.stat-number {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -1px;
  line-height: 1;
}
.stat-unit {
  font-size: 18px;
  font-weight: 400;
  margin-left: 2px;
  color: var(--fg-muted);
}
.stat-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.4;
}

/* ─── CLOSING ─── */
.closing {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 96px 48px;
  text-align: center;
}
.closing-inner {
  max-width: 680px;
  margin: 0 auto;
}
.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.1;
  margin-bottom: 24px;
}
.closing p {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ─── FOOTER ─── */
.footer {
  padding: 48px;
  text-align: center;
  border-top: 1px solid var(--border);
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
}
.footer-note {
  font-size: 14px;
  color: var(--fg-muted);
  margin-bottom: 16px;
}
.footer-disclaimer {
  font-size: 12px;
  color: rgba(122, 156, 181, 0.5);
}

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .nav { padding: 20px 24px; }
  .hero { padding: 64px 24px 56px; }
  .preview { padding: 0 24px 64px; }
  .preview-card { padding: 24px; }
  .features { padding: 56px 24px; }
  .features-grid { grid-template-columns: 1fr; gap: 20px; }
  .how { padding: 64px 24px; }
  .how-inner { grid-template-columns: 1fr; gap: 48px; }
  .how-visual { gap: 16px; }
  .stat-block { padding: 18px 20px; }
  .stat-number { font-size: 32px; }
  .closing { padding: 64px 24px; }
  .footer { padding: 40px 24px; }
  .level-row { grid-template-columns: 80px 80px 1fr; }
}

/* ─── NAV CTA ─── */
.nav-cta {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  padding: 8px 16px;
  border: 1px solid rgba(0, 229, 160, 0.35);
  border-radius: 6px;
  transition: background 0.2s, border-color 0.2s;
  letter-spacing: 0.2px;
}
.nav-cta:hover { background: var(--accent-dim); border-color: var(--accent); }

/* ─── BRIEFING PAGE ─── */
.briefing-page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 56px 48px 96px;
}
.briefing-page-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 16px;
  flex-wrap: wrap;
}
.briefing-page-date {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--fg-muted);
  letter-spacing: 0.3px;
}
.briefing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.instrument-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.instrument-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}
.instrument-name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.3px;
}
.instrument-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 4px;
}
.instrument-badge.bullish { background: rgba(0,229,160,0.15); color: var(--bullish); }
.instrument-badge.bearish { background: rgba(255,107,107,0.12); color: var(--bearish); }

.levels-table { display: flex; flex-direction: column; gap: 0; }
.level-row-brief {
  display: grid;
  grid-template-columns: 90px 85px 1fr;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  align-items: center;
  font-size: 13px;
}
.level-row-brief:last-child { border-bottom: none; }
.level-row-brief.key-level {
  background: var(--accent-dim);
  margin: 2px -14px;
  padding: 10px 14px;
  border-radius: 7px;
  border-bottom: none;
}
.level-lbl {
  color: var(--fg-muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}
.level-num {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--fg);
}
.level-desc { color: var(--fg-muted); font-size: 12px; }

.setup-box {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 16px;
}
.setup-tag {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.setup-text { font-size: 14px; line-height: 1.6; color: var(--fg); }

.catalyst-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 12px;
  color: var(--fg-muted);
  line-height: 1.5;
}
.catalyst-dash { color: var(--accent); font-weight: 700; margin-top: 2px; }

@media (max-width: 768px) {
  .briefing-page { padding: 40px 24px 64px; }
  .briefing-page-header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .briefing-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .level-row { grid-template-columns: 1fr; gap: 4px; }
  .level-row.highlight { margin: 4px -12px; padding: 12px; }
}