/* ============================================================
   AI CHAMPIONS CLUB — landing page
   Black grounds, Unbounded display type, Pink & Ice stripe.
   Tokens from the AI Champions Club design system.
   ============================================================ */

:root {
  /* Coal (black ramp) */
  --coal-950: #0a0a0b;
  --coal-900: #111113;
  --coal-800: #17171a;
  --coal-700: #202024;
  --white: #ffffff;

  /* Pink & Ice stripe palette */
  --stripe-1: #ff7aa8;
  --stripe-2: #f03278;
  --stripe-3: #2fd9e8;
  --stripe-4: #16707a;

  --pink-600: #c21e5c;
  --pink-500: #f03278;
  --pink-400: #ff5c94;
  --ice-500: #2fd9e8;
  --ice-700: #16707a;

  /* Text */
  --text-strong: var(--white);
  --text-body: #c9cdce;
  --text-muted: #8a9194;
  --text-faint: #5c6366;

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.12);
  --border-on-dark: rgba(255, 255, 255, 0.16);

  /* Effects */
  --grad-stripe: linear-gradient(90deg, #ff7aa8 0%, #f03278 34%, #2fd9e8 67%, #16707a 100%);
  --grad-cta: linear-gradient(135deg, #ff5c94 0%, #d91e64 100%);
  --shadow-brand: 0 8px 28px rgba(240, 50, 120, 0.35);

  /* Type */
  --font-display: "Unbounded", "Archivo", system-ui, sans-serif;
  --font-sans: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --pad-x: 64px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--coal-950);
  color: var(--white);
  font-family: var(--font-sans);
  padding-bottom: 60px;
  min-height: 100vh;
}

a { color: inherit; }

/* ---- Shared bits ---- */

.stripe-rule { height: 6px; background: var(--grad-stripe); }

.eyebrow {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pink-500);
}

.section-title {
  margin: 14px 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 34px;
  line-height: 1.15;
  text-transform: uppercase;
}

.section-lede {
  margin: 0 0 40px;
  font-size: 17px;
  color: var(--text-body);
}

.mono-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ice-500);
}

.btn {
  text-decoration: none;
  display: inline-block;
  font-weight: 800;
  border-radius: 999px;
  color: var(--white);
}

.btn-cta {
  background: var(--grad-cta);
  box-shadow: var(--shadow-brand);
}

.btn-ghost { border: 1.5px solid var(--border-on-dark); }

.accent-pink { color: var(--pink-500); }
.accent-ice { color: var(--ice-500); }

/* ---- Nav ---- */

.nav {
  position: sticky;
  top: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px var(--pad-x);
  background: rgba(10, 10, 11, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-subtle);
}

.logo {
  text-decoration: none;
  color: var(--white);
  display: inline-flex;
  flex-direction: column;
  gap: 1px;
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1;
  font-size: 16px;
}

.logo-top { display: flex; align-items: center; gap: 7px; }

.logo-champions { position: relative; }

.logo-chip {
  position: absolute;
  right: -15px;
  top: -12px;
  font-size: 10px;
  background: var(--ice-500);
  color: var(--coal-950);
  padding: 3px 7px 2px;
  border-radius: 3px;
  transform: rotate(12deg);
  white-space: nowrap;
}

.nav-links {
  display: flex;
  gap: 28px;
  margin-left: auto;
  font-size: 14px;
  font-weight: 700;
}

.nav-links a { color: var(--text-body); text-decoration: none; }
.nav-links a:hover { color: var(--white); }

.nav-cta {
  font-size: 13px;
  padding: 10px 22px;
  margin-left: 24px;
}

/* ---- Hero ---- */

.hero {
  position: relative;
  text-align: center;
  padding: 100px var(--pad-x) 92px;
  overflow: hidden;
}

.hero-mark {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.09;
}

.hero-inner { position: relative; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ice-500);
  border: 1px solid rgba(47, 217, 232, 0.4);
  border-radius: 999px;
  padding: 8px 18px;
  margin-bottom: 30px;
}

.hero h1 {
  margin: 0 auto;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 56px;
  line-height: 1.05;
  text-transform: uppercase;
  max-width: 1000px;
}

.hero-sub {
  margin: 28px auto 38px;
  font-size: 19px;
  line-height: 1.55;
  color: var(--text-body);
  max-width: 660px;
}

.hero-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

.hero-actions .btn-cta { font-size: 16px; padding: 17px 42px; }
.hero-actions .btn-ghost { font-size: 16px; padding: 16px 34px; }

.hero-price {
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

.hero-stats {
  margin-top: 48px;
  display: flex;
  justify-content: center;
  gap: 36px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

/* ---- Why now ---- */

.why-now {
  padding: 80px var(--pad-x);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
}

.why-now h2 { margin: 14px 0 0; font-size: 34px; }

.why-now p { margin: 0; font-size: 17px; line-height: 1.65; color: var(--text-body); }

/* ---- How it works / tracks cards ---- */

.section { padding: 80px var(--pad-x); scroll-margin-top: 90px; }

.section-bordered { border-bottom: 1px solid var(--border-subtle); }

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

.card {
  background: var(--coal-800);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
}

.card-stripe { height: 4px; background: var(--grad-stripe); }

.card-body { padding: 26px 24px 28px; }

.card-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ice-500);
  margin-bottom: 14px;
}

.card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  text-transform: uppercase;
  line-height: 1.3;
}

.card p { margin: 0; font-size: 14.5px; line-height: 1.55; color: var(--text-body); }

.track-body { display: flex; flex-direction: column; gap: 12px; }

.track-body img { height: 44px; width: auto; align-self: flex-start; }

.track-body h3 { margin: 6px 0 0; }

.perk-row {
  margin-top: 24px;
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--text-body);
}

.chev { color: var(--ice-500); }
.chev-pink { color: var(--pink-500); font-weight: 800; }
.chev-ice { color: var(--ice-500); font-weight: 800; }

/* ---- First 30 days ---- */

.days-30 {
  padding: 76px var(--pad-x) 88px;
  background: var(--coal-900);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.days-30 h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 30px;
  text-transform: uppercase;
  text-align: center;
}

.days-30 > p { margin: 0 0 48px; text-align: center; font-size: 16px; color: var(--text-body); }

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.steps-line {
  position: absolute;
  top: 23px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: var(--grad-stripe);
}

.step { text-align: center; position: relative; }

.step-num {
  width: 46px;
  height: 46px;
  border-radius: 999px;
  background: var(--coal-950);
  border: 2px solid;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14px;
}

.step-title { font-weight: 800; font-size: 15px; text-transform: uppercase; margin-bottom: 8px; }

.step p {
  margin: 0 auto;
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-body);
  max-width: 210px;
}

/* ---- Playbooks ---- */

.playbooks {
  padding: 80px var(--pad-x);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
  scroll-margin-top: 90px;
}

.playbooks h2 { margin: 14px 0 18px; font-size: 30px; }

.playbooks p { margin: 0; font-size: 16px; line-height: 1.6; color: var(--text-body); max-width: 460px; }

.pill-cloud { display: flex; flex-wrap: wrap; gap: 10px; }

.pill {
  border: 1px solid var(--border-on-dark);
  border-radius: 999px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-body);
}

.pill-ice { border-color: var(--ice-500); color: var(--ice-500); }

/* ---- Experts ---- */

.experts { padding: 80px var(--pad-x) 88px; }

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

.expert-grid + .mono-label { display: block; }

.expert-card {
  background: var(--coal-800);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.expert-card.placeholder-card { border-style: dashed; border-color: rgba(255, 255, 255, 0.2); }

.avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  flex: none;
}

.avatar-empty {
  border: 1px dashed rgba(255, 255, 255, 0.25);
  background: var(--coal-900);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
}

.expert-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  text-transform: uppercase;
}

.expert-role { margin-top: 4px; font-size: 13.5px; font-weight: 700; color: var(--pink-500); }

.expert-card p { margin: 0; font-size: 14.5px; line-height: 1.55; color: var(--text-body); }

.expert-meta {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

.placeholder-card .expert-name,
.placeholder-card p { color: var(--text-muted); }

.placeholder-card .expert-meta { color: var(--text-faint); }

.guest-card {
  background: var(--coal-900);
  border: 1px dashed rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  gap: 18px;
  align-items: center;
}

.guest-card .avatar,
.guest-card .avatar-empty { width: 72px; height: 72px; }

.guest-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  color: var(--text-muted);
}

.guest-blurb { margin-top: 4px; font-size: 13px; line-height: 1.5; color: var(--text-muted); }

/* ---- Economics ---- */

.economics {
  padding: 80px var(--pad-x);
  background: var(--coal-900);
  border-bottom: 1px solid var(--border-subtle);
  scroll-margin-top: 90px;
}

.economics-inner { max-width: 1060px; margin: 0 auto; }

.economics h2 { margin: 14px 0 20px; font-size: 30px; }

.equation {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  margin-bottom: 36px;
  font-size: 24px;
}

.equation .op { color: var(--text-faint); }
.equation .result { color: var(--ice-500); }

.economics-cols {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 48px;
  align-items: start;
}

.economics-points {
  display: flex;
  flex-direction: column;
  gap: 22px;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-body);
}

.economics-points p { margin: 0; }

.economics-points strong { color: var(--white); font-weight: 700; }

.calc {
  background: var(--coal-800);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  overflow: hidden;
}

.calc-stripe { height: 4px; background: var(--grad-stripe); }

.calc-body { padding: 28px; }

.calc-title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 22px;
}

.calc-field { margin-bottom: 20px; }
.calc-field:nth-of-type(2) { margin-bottom: 26px; }

.calc-row {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 10px;
}

.calc-value { font-family: var(--font-mono); color: var(--ice-500); }

.calc input[type="range"] { width: 100%; accent-color: var(--pink-500); }

.calc-result { border-top: 1px solid var(--border-subtle); padding-top: 22px; }

.calc-monthly {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 30px;
  color: var(--ice-500);
}

.calc-monthly small { font-size: 14px; color: var(--text-muted); font-weight: 800; }

.calc-note {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

/* ---- Pricing ---- */

.pricing { padding: 88px var(--pad-x) 40px; scroll-margin-top: 90px; }

.pricing-head { text-align: center; margin-bottom: 44px; }

.pricing-head h2 { margin: 14px 0 0; font-size: 34px; }

.plan-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  max-width: 1060px;
  margin: 0 auto;
}

.plan {
  background: var(--coal-800);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.plan-featured {
  border: 1.5px solid var(--pink-500);
  position: relative;
  box-shadow: 0 16px 48px rgba(240, 50, 120, 0.15);
}

.plan-badge {
  position: absolute;
  top: 18px;
  right: 24px;
  background: var(--pink-500);
  color: var(--white);
  font-weight: 800;
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 5px 12px;
  border-radius: 999px;
}

.plan-stripe { height: 5px; background: var(--grad-stripe); }

.plan-body { padding: 36px; display: flex; flex-direction: column; flex: 1; }

.plan-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  text-transform: uppercase;
}

.plan-tag { margin: 10px 0 0; font-size: 15px; line-height: 1.5; color: var(--text-body); }

.plan-tag strong { color: var(--white); font-weight: 700; }

.plan-price {
  margin: 24px 0 4px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 42px;
}

.plan-price small { font-size: 16px; color: var(--text-muted); font-weight: 700; }

.plan-terms { font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); }

.plan-features {
  margin: 26px 0 30px;
  display: flex;
  flex-direction: column;
  gap: 13px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-body);
}

.plan-features strong { color: var(--white); font-weight: 700; }

.plan-btn {
  margin-top: auto;
  display: block;
  text-align: center;
  font-size: 15px;
  padding: 15px 0;
}

.plan-featured .plan-btn { padding: 16px 0; }

/* ---- Who it's for ---- */

.who { padding: 36px var(--pad-x) 72px; }

.who-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  max-width: 1060px;
  margin: 0 auto;
}

.who-card {
  background: var(--coal-900);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 28px;
}

.who-kicker { font-family: var(--font-mono); font-size: 12px; margin-bottom: 14px; }

.who-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 15px;
  line-height: 1.55;
  color: var(--text-body);
}

.founding-banner {
  max-width: 1060px;
  margin: 22px auto 0;
}

.founding-banner-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--coal-900);
  border: 1px solid rgba(47, 217, 232, 0.35);
  border-radius: 14px;
  padding: 20px 28px;
}

.founding-banner-inner .seat-label {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ice-500);
  white-space: nowrap;
}

.seat-track {
  flex: 1;
  height: 6px;
  border-radius: 999px;
  background: var(--coal-700);
  overflow: hidden;
}

.seat-fill { height: 100%; background: linear-gradient(90deg, #ff7aa8, #f03278); }

.founding-banner-inner .seat-note { font-size: 14px; color: var(--text-body); }

.founding-banner-inner .seat-note strong { color: var(--white); font-weight: 700; }

/* ---- FAQ ---- */

.faq {
  padding: 76px var(--pad-x) 84px;
  background: var(--coal-900);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.faq-inner { max-width: 820px; margin: 0 auto; }

.faq h2 {
  margin: 0 0 36px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 30px;
  text-transform: uppercase;
}

.faq-item { padding: 24px 0; border-top: 1px solid var(--border-subtle); }

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

.faq-q { font-size: 16px; font-weight: 800; margin-bottom: 8px; }

.faq-item p { margin: 0; font-size: 15px; line-height: 1.6; color: var(--text-body); }

/* ---- Final CTA ---- */

.final-cta {
  margin: 72px var(--pad-x) 80px;
  border-radius: 16px;
  background: #161619;
  border: 1px solid var(--border-subtle);
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.final-cta-stripe {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: var(--grad-stripe);
}

.final-cta h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 32px;
  text-transform: uppercase;
}

.final-cta p { margin: 0 auto 30px; font-size: 16px; color: var(--text-body); max-width: 480px; }

.final-cta .btn-cta { font-size: 15px; padding: 16px 38px; }

/* ---- Footer ---- */

.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 36px var(--pad-x);
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}

.footer-brand { font-family: var(--font-display); font-weight: 800; font-size: 13px; }

.footer-links { display: flex; gap: 24px; margin-left: auto; font-size: 13px; font-weight: 700; }

.footer-links a { color: var(--text-muted); text-decoration: none; }
.footer-links a:hover { color: var(--white); }

.footer-copy { font-family: var(--font-mono); font-size: 12px; color: var(--text-faint); }

/* ---- Sticky founding bar ---- */

.founding-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 13px var(--pad-x);
  background: rgba(23, 23, 26, 0.96);
  border-top: 1px solid var(--border-subtle);
  backdrop-filter: blur(8px);
  z-index: 50;
}

.founding-bar .seat-label { font-family: var(--font-mono); font-size: 13px; color: var(--ice-500); }

.founding-bar .btn-cta { font-size: 13px; padding: 10px 24px; box-shadow: none; }

/* ---- Responsive ---- */

@media (max-width: 1080px) {
  :root { --pad-x: 40px; }

  .card-grid, .steps { grid-template-columns: 1fr 1fr; }
  .steps { gap: 40px 24px; }
  .steps-line { display: none; }
  .expert-grid { grid-template-columns: 1fr 1fr; }
  .economics-cols { grid-template-columns: 1fr; }
  .why-now, .playbooks { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 680px) {
  :root { --pad-x: 20px; }

  body { overflow-x: clip; }

  .nav-links { display: none; }
  .nav-cta { margin-left: auto; }

  .hero { padding-top: 72px; padding-bottom: 64px; }
  .hero-badge {
    flex-wrap: wrap;
    justify-content: center;
    max-width: 100%;
    white-space: normal;
  }
  .hero h1 { font-size: 34px; }
  .hero-sub { font-size: 17px; }
  .hero-stats { flex-direction: column; gap: 12px; }

  .section-title, .pricing-head h2 { font-size: 26px; }
  .days-30 h2, .faq h2, .final-cta h2 { font-size: 24px; }
  .plan-price { font-size: 34px; }

  .card-grid, .steps, .expert-grid, .plan-grid, .who-grid { grid-template-columns: 1fr; }

  .equation { font-size: 18px; }

  .founding-banner-inner { flex-wrap: wrap; }
  .founding-bar .seat-track { display: none; }
  .final-cta { padding: 48px 24px; }
}