/* ═══════════════════════════════════════════
   TRENDPULSE — DARK RADAR AESTHETIC
   Primary: #FFB800 (electric amber)
   Background: #050507 (near-black)
   Surface: #0d0d10
   Text: #f0eeea (warm white)
   Muted: #6b6b70
   ═══════════════════════════════════════════ */

:root {
  --bg: #050507;
  --surface: #0d0d10;
  --surface-2: #141418;
  --amber: #FFB800;
  --amber-dim: rgba(255, 184, 0, 0.15);
  --amber-glow: rgba(255, 184, 0, 0.08);
  --text: #f0eeea;
  --text-muted: #6b6b70;
  --border: rgba(255, 184, 0, 0.1);
  --border-dim: rgba(255, 255, 255, 0.06);
  --font-display: 'Sora', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 2rem;
  backdrop-filter: blur(12px);
  background: rgba(5, 5, 7, 0.7);
  border-bottom: 1px solid var(--border-dim);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.02em;
}
.nav-tag {
  font-size: 0.7rem;
  color: var(--amber);
  font-family: monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.8;
}

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 7rem 2rem 5rem;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 184, 0, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 184, 0, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 100%);
}
.radar-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255, 184, 0, 0.12);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: radar-expand 4s ease-out infinite;
}
.radar-ring-1 { width: 300px; height: 300px; animation-delay: 0s; }
.radar-ring-2 { width: 500px; height: 500px; animation-delay: 1.3s; opacity: 0.6; }
.radar-ring-3 { width: 800px; height: 800px; animation-delay: 2.6s; opacity: 0.3; }
@keyframes radar-expand {
  0% { transform: translate(-50%, -50%) scale(0.8); opacity: 0.8; }
  100% { transform: translate(-50%, -50%) scale(1.3); opacity: 0; }
}
.hero-content {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  font-family: monospace;
  color: var(--amber);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 2rem;
  opacity: 0.85;
}
.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
  animation: pulse-glow 2s ease-in-out infinite;
  display: inline-block;
}
@keyframes pulse-glow {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(255, 184, 0, 0.4); }
  50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(255, 184, 0, 0); }
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 2rem;
}
.hero-headline em {
  font-style: normal;
  color: var(--amber);
  position: relative;
}
.hero-headline em::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--amber);
  border-radius: 2px;
  opacity: 0.6;
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 3rem;
  font-weight: 300;
}
.hero-metrics {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 2.5rem;
}
.metric { display: flex; flex-direction: column; gap: 0.25rem; }
.metric-value {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: -0.02em;
}
.metric-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: monospace;
}
.metric-divider {
  width: 1px;
  height: 36px;
  background: var(--border-dim);
}
.hero-cta-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-family: monospace;
  letter-spacing: 0.03em;
}

/* ── SIGNAL ROW ── */
.signal-row {
  background: var(--surface);
  border-top: 1px solid var(--border-dim);
  border-bottom: 1px solid var(--border-dim);
  padding: 1.5rem 2rem;
}
.signal-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.signal-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  font-family: monospace;
  margin-bottom: 0.85rem;
}
.signal-items {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.signal-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.signal-tag {
  font-size: 0.62rem;
  font-family: monospace;
  letter-spacing: 0.08em;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  background: rgba(255, 184, 0, 0.1);
  color: var(--amber);
  border: 1px solid rgba(255, 184, 0, 0.2);
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 2px;
}
.signal-tag-warn { background: rgba(255, 100, 50, 0.1); color: #ff6b40; border-color: rgba(255, 100, 50, 0.2); }
.signal-text { font-size: 0.88rem; color: var(--text-muted); }

/* ── FEATURES ── */
.features {
  padding: 6rem 2rem;
}
.features-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.section-header {
  margin-bottom: 4rem;
}
.section-eyebrow {
  display: block;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--amber);
  font-family: monospace;
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text);
}
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.feature-item {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 1.5rem;
  align-items: start;
  padding: 2rem 0;
  border-top: 1px solid var(--border-dim);
}
.feature-item:last-child { border-bottom: 1px solid var(--border-dim); }
.feature-num {
  font-family: monospace;
  font-size: 0.75rem;
  color: var(--amber);
  opacity: 0.5;
  padding-top: 0.3rem;
  letter-spacing: 0.05em;
}
.feature-body { max-width: 640px; }
.feature-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}
.feature-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
  font-weight: 300;
}

/* ── AUDIENCE ── */
.audience {
  background: var(--surface);
  padding: 6rem 2rem;
  border-top: 1px solid var(--border-dim);
}
.audience-inner { max-width: 1100px; margin: 0 auto; }
.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-dim);
  border: 1px solid var(--border-dim);
}
.audience-card {
  background: var(--surface);
  padding: 2rem 1.75rem;
  transition: background 0.2s;
}
.audience-card:hover { background: var(--surface-2); }
.audience-icon {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  background: var(--amber-glow);
}
.audience-card h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}
.audience-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
  font-weight: 300;
}

/* ── CLOSING ── */
.closing {
  padding: 8rem 2rem;
  position: relative;
  overflow: hidden;
}
.closing-radial {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(255, 184, 0, 0.06) 0%, transparent 70%);
  pointer-events: none;
}
.closing-inner { max-width: 1100px; margin: 0 auto; }
.closing-content { position: relative; }
.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 2rem;
}
.closing-body {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 3.5rem;
  font-weight: 300;
}
.closing-plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-dim);
  border: 1px solid var(--border-dim);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 3.5rem;
  max-width: 720px;
}
.plan {
  background: var(--surface);
  padding: 2rem 1.5rem;
  position: relative;
}
.plan-featured { background: var(--surface-2); }
.plan-badge {
  display: inline-block;
  font-size: 0.62rem;
  font-family: monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber);
  background: var(--amber-dim);
  border: 1px solid var(--border);
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  margin-bottom: 1rem;
}
.plan-name {
  display: block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
  margin-bottom: 0.6rem;
}
.plan-price {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.04em;
  margin-bottom: 0.5rem;
}
.plan-price span {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-muted);
}
.plan-desc {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
  font-weight: 300;
}
.closing-revenue { max-width: 560px; }
.revenue-calc {
  font-family: monospace;
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}
.revenue-calc strong { color: var(--amber); }
.revenue-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  opacity: 0.6;
  font-style: italic;
}

/* ── FOOTER ── */
.footer {
  border-top: 1px solid var(--border-dim);
  padding: 2.5rem 2rem;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
}
.footer-tagline {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-style: italic;
  font-family: var(--font-body);
}
.footer-meta {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  color: var(--text-muted);
  font-family: monospace;
  letter-spacing: 0.05em;
}
.footer-sep { opacity: 0.4; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .audience-grid { grid-template-columns: repeat(2, 1fr); }
  .closing-plans { grid-template-columns: 1fr; }
  .hero-metrics { gap: 1.25rem; }
}
@media (max-width: 600px) {
  .hero { padding: 6rem 1.5rem 4rem; }
  .hero-metrics { flex-wrap: wrap; }
  .metric-divider { display: none; }
  .audience-grid { grid-template-columns: 1fr; }
  .features, .audience, .closing { padding: 4rem 1.5rem; }
  .signal-items { gap: 0.75rem; }
  .feature-item { grid-template-columns: 40px 1fr; }
  .footer-meta { margin-left: 0; width: 100%; }
  .nav-tag { display: none; }
}