/* ═══════════════════════════════════════════
   FRED INTELLIGENCE — Landing Page Styles
   Dark theme, mobile-first, zero frameworks
   ═══════════════════════════════════════════ */

:root {
  --bg: #06060a;
  --bg-card: #0c0c14;
  --bg-elevated: #111119;
  --border: #1a1a28;
  --text: #e0e0e8;
  --text-dim: #888899;
  --text-muted: #555566;
  --accent: #00ff88;
  --accent-dim: #00cc6a;
  --cyan: #00d4ff;
  --green: #22c55e;
  --red: #ef4444;
  --orange: #f97316;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

html { scroll-behavior: smooth; }

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ═══ NAV ═══ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(6, 6, 10, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.logo { display: flex; align-items: baseline; gap: 6px; }

.logo-mark {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 2px;
}

.logo-text {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--text); }

.btn-nav {
  background: var(--accent) !important;
  color: #000 !important;
  padding: 6px 16px;
  border-radius: 6px;
  font-weight: 600 !important;
}

.btn-nav:hover { background: var(--accent-dim) !important; }

/* ═══ HERO ═══ */

.hero {
  padding: 120px 0 80px;
  text-align: center;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(0, 255, 136, 0.06) 0%, transparent 60%),
    var(--bg);
}

.hero-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  border: 1px solid rgba(0, 255, 136, 0.2);
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 28px;
  letter-spacing: 0.3px;
}

.hero h1 {
  font-size: clamp(32px, 6vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  color: #fff;
}

.accent {
  background: linear-gradient(135deg, var(--accent), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 17px;
  color: var(--text-dim);
  max-width: 580px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

/* ═══ SIGNUP FORM ═══ */

.signup-form {
  max-width: 480px;
  margin: 0 auto;
}

.input-group {
  display: flex;
  gap: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 0.2s;
}

.input-group:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
}

.input-group input {
  flex: 1;
  padding: 14px 16px;
  background: transparent;
  border: none;
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  outline: none;
  min-width: 0;
}

.input-group input::placeholder { color: var(--text-muted); }

.input-group button {
  padding: 14px 24px;
  background: var(--accent);
  color: #000;
  border: none;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s;
}

.input-group button:hover { background: var(--accent-dim); }
.input-group button:disabled { opacity: 0.6; cursor: not-allowed; }

.form-note {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 10px;
  text-align: center;
}

.form-msg {
  font-size: 13px;
  margin-top: 8px;
  text-align: center;
  min-height: 20px;
}

.form-msg.success { color: var(--accent); }
.form-msg.error { color: var(--red); }

.social-proof {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 28px;
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.proof-sep { color: var(--border); }

/* ═══ FEATURES ═══ */

.features {
  padding: 80px 0;
  border-top: 1px solid var(--border);
}

.section-title {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  text-align: center;
  margin-bottom: 12px;
  color: #fff;
}

.section-sub {
  font-size: 16px;
  color: var(--text-dim);
  text-align: center;
  margin-bottom: 48px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px 24px;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: rgba(0, 255, 136, 0.3);
}

.feature-icon {
  font-size: 20px;
  color: var(--accent);
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ═══ SAMPLE REPORT ═══ */

.sample {
  padding: 80px 0;
  border-top: 1px solid var(--border);
}

.report-preview {
  max-width: 620px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg-card);
}

.report-chrome {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.chrome-dots {
  display: flex;
  gap: 6px;
}

.chrome-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
}

.chrome-dots span:first-child { background: #ef4444; }
.chrome-dots span:nth-child(2) { background: #eab308; }
.chrome-dots span:last-child { background: #22c55e; }

.chrome-title {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--mono);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.report-body {
  padding: 20px;
  max-height: 520px;
  overflow-y: auto;
  font-size: 13px;
  line-height: 1.5;
}

.report-body::-webkit-scrollbar { width: 4px; }
.report-body::-webkit-scrollbar-track { background: transparent; }
.report-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.report-loading {
  text-align: center;
  color: var(--text-muted);
  padding: 40px 0;
}

/* ═══ PRICING ═══ */

.pricing {
  padding: 80px 0;
  border-top: 1px solid var(--border);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  align-items: start;
}

.pricing-grid.three-col {
  grid-template-columns: repeat(3, 1fr);
  max-width: 900px;
  margin: 0 auto;
}

.price-launch {
  font-size: 11px;
  color: var(--accent);
  margin-top: -14px;
  margin-bottom: 16px;
  font-weight: 500;
}

.price-buttons {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.btn-crypto {
  background: transparent;
  border: 1px solid var(--cyan) !important;
  color: var(--cyan) !important;
}

.btn-crypto:hover {
  background: rgba(0, 212, 255, 0.08) !important;
  color: #fff !important;
}

.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px 20px;
  text-align: center;
  position: relative;
  transition: border-color 0.2s;
}

.price-card:hover { border-color: var(--text-muted); }

.price-card.popular {
  border-color: var(--accent);
  box-shadow: 0 0 30px rgba(0, 255, 136, 0.08);
}

.price-badge {
  position: absolute;
  top: -11px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #000;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 14px;
  border-radius: 10px;
  white-space: nowrap;
}

.price-tier {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.price-amount {
  font-family: var(--mono);
  font-size: 42px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
}

.price-currency {
  font-size: 22px;
  vertical-align: top;
  color: var(--text-dim);
  margin-right: 2px;
}

.price-period {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 400;
  margin-left: 2px;
}

.price-features {
  list-style: none;
  text-align: left;
  margin-bottom: 24px;
}

.price-features li {
  font-size: 13px;
  color: var(--text-dim);
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  line-height: 1.5;
}

.price-features li strong { color: var(--text); }

.price-tagline {
  font-size: 12px;
  color: var(--cyan);
  margin-bottom: 20px;
  font-style: italic;
  min-height: 18px;
}

.price-features li.included::before {
  content: "\2713";
  color: var(--accent);
  margin-right: 8px;
  font-weight: 600;
}

.price-features li.locked {
  color: var(--text-muted);
  opacity: 0.5;
}

.price-features li.locked::before {
  content: "\1F512";
  margin-right: 8px;
  font-size: 11px;
}

.price-card.alpha {
  border-color: var(--cyan);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.08);
}

.alpha-badge {
  background: var(--cyan) !important;
}

.btn-price {
  display: block;
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-price:hover {
  border-color: var(--text-dim);
  color: #fff;
}

.btn-primary {
  background: var(--accent) !important;
  color: #000 !important;
  border-color: var(--accent) !important;
}

.btn-primary:hover { background: var(--accent-dim) !important; }

/* ═══ FAQ ═══ */

.faq {
  padding: 80px 0;
  border-top: 1px solid var(--border);
}

.faq-list {
  max-width: 680px;
  margin: 40px auto 0;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item summary {
  padding: 18px 0;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-item summary::after {
  content: "+";
  font-size: 20px;
  font-weight: 300;
  color: var(--text-muted);
  transition: transform 0.2s;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
  color: var(--accent);
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.7;
  padding-bottom: 18px;
}

/* ═══ PARTNERS PROGRAM ═══ */

.referral {
  padding: 80px 0;
  border-top: 1px solid var(--border);
}

.partner-tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 900px;
  margin: 40px auto 0;
}

.partner-tiers.four-col {
  grid-template-columns: repeat(4, 1fr);
  max-width: 1000px;
}

.partner-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px 20px;
  text-align: center;
}

.partner-card:hover { border-color: var(--text-muted); }

.partner-highlight {
  border-color: var(--accent);
  box-shadow: 0 0 30px rgba(0, 255, 136, 0.08);
}

.partner-elite {
  border-color: var(--cyan);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.08);
}

.partner-level {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}

.partner-elite .partner-level { color: var(--cyan); }

.partner-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.partner-rewards {
  list-style: none;
  text-align: left;
}

.partner-rewards li {
  font-size: 13px;
  color: var(--text-dim);
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  line-height: 1.5;
}

.partner-rewards li::before {
  content: "\2713";
  color: var(--accent);
  margin-right: 8px;
  font-weight: 600;
}

.partner-elite .partner-rewards li::before { color: var(--cyan); }

.partner-rewards li.bonus {
  color: var(--accent);
  font-weight: 600;
  border-bottom: none;
}

.partner-rewards li.bonus::before {
  content: "\2605";
}

.referral-box {
  max-width: 480px;
  margin: 0 auto;
}

.referral-form {
  max-width: 480px;
  margin: 0 auto;
}

@media (max-width: 900px) {
  .partner-tiers.four-col { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  .partner-tiers, .partner-tiers.four-col { grid-template-columns: 1fr; max-width: 360px; }
}

/* ═══ FINAL CTA ═══ */

.final-cta {
  padding: 80px 0;
  text-align: center;
  background:
    radial-gradient(ellipse at 50% 100%, rgba(0, 255, 136, 0.06) 0%, transparent 60%),
    var(--bg);
  border-top: 1px solid var(--border);
}

.final-cta h2 {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.final-cta p {
  font-size: 16px;
  color: var(--text-dim);
  margin-bottom: 28px;
}

.final-cta .signup-form { max-width: 440px; }

/* ═══ FOOTER ═══ */

.footer {
  padding: 40px 0 28px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: start;
  justify-content: space-between;
  margin-bottom: 28px;
}

.footer-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 10px;
  line-height: 1.5;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-dim);
  text-decoration: none;
}

.footer-links a:hover { color: var(--accent); }

.footer-legal {
  border-top: 1px solid var(--border);
  padding-top: 20px;
}

.footer-legal p {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 8px;
}

/* ═══ LAYOUT UTILITY CLASSES ═══ */

.verticals-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.features-grid.three-col {
  grid-template-columns: repeat(3, 1fr);
}

.features-grid.four-col {
  grid-template-columns: repeat(4, 1fr);
}

.model-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 24px;
}

/* ═══ SPORTS: Metric boxes ═══ */

.metric-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 24px;
  text-align: center;
  min-width: 120px;
}

.metric-box .value {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 700;
  color: #fff;
}

.metric-box .value.accent { color: var(--accent); }

.metric-box .label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ═══ RESPONSIVE ═══ */

@media (max-width: 900px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid.three-col { grid-template-columns: repeat(2, 1fr); }
  .features-grid.four-col { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid.three-col { grid-template-columns: repeat(2, 1fr); }
  .how-grid { grid-template-columns: repeat(2, 1fr); }
  .model-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 700px) {
  .verticals-grid { grid-template-columns: 1fr; gap: 24px; }
  .model-grid { grid-template-columns: 1fr; }
  .footer-links { flex-wrap: wrap; gap: 12px; }
}

@media (max-width: 600px) {
  /* Nav */
  .nav-links a:not(.btn-nav) { display: none; }

  /* Hero */
  .hero { padding: 100px 0 60px; }
  .hero h1 { font-size: 28px; }
  .hero-sub { font-size: 15px; }
  .hero-badge { font-size: 11px; padding: 5px 12px; }

  /* Grids stack to 1 column */
  .features-grid,
  .features-grid.three-col,
  .features-grid.four-col { grid-template-columns: 1fr; }
  .pricing-grid,
  .pricing-grid.three-col { grid-template-columns: 1fr; max-width: 360px; margin: 0 auto; }
  .how-grid { grid-template-columns: 1fr 1fr; }
  .verticals-grid { grid-template-columns: 1fr; gap: 20px; }
  .model-grid { grid-template-columns: 1fr; }

  /* Forms full width */
  .input-group { flex-direction: column; }
  .input-group button { padding: 14px; }
  .signup-form { max-width: 100%; }
  .referral-form { max-width: 100%; }
  .referral-box { max-width: 100%; }

  /* Section titles */
  .section-title { font-size: 22px; }
  .section-sub { font-size: 14px; }

  /* Pricing */
  .price-amount { font-size: 34px; }
  .price-card { padding: 24px 16px; }

  /* Footer */
  .footer-inner { flex-direction: column; gap: 20px; }
  .footer-links { flex-wrap: wrap; gap: 12px 16px; }

  /* Social proof */
  .social-proof { flex-direction: column; gap: 4px; }
  .social-proof .proof-sep { display: none; }

  /* Metric boxes (sports) */
  .metric-box { min-width: 100px; padding: 12px 16px; }
  .metric-box .value { font-size: 22px; }
}

@media (max-width: 400px) {
  .how-grid { grid-template-columns: 1fr; }
  .container { padding: 0 16px; }
  .hero h1 { font-size: 24px; }
  .price-amount { font-size: 28px; }
  .nav-inner { height: 48px; }
  .logo-mark { font-size: 16px; }
}