@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@500;700&family=Space+Grotesk:wght@500;600;700&display=swap');

*, *::before, *::after { box-sizing: border-box; }
:root {
  --paper: #f4f1ea;
  --paper-raised: #fffdf7;
  --ink: #152034;
  --muted: #566174;
  --line: #152034;
  --lime: #dbfb6b;
  --blue: #00bddd;
  --coral: #ff6b6b;
  --shadow: 5px 5px 0 #152034;
}
html[data-design="terminal"] {
  --paper: #0b1526;
  --paper-raised: #101d31;
  --ink: #f4f1ea;
  --muted: #abb7c9;
  --line: #f4f1ea;
  --shadow: 5px 5px 0 #00bddd;
}
html { color-scheme: light; scroll-behavior: smooth; }
html[data-design="terminal"] { color-scheme: dark; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, system-ui, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  background-image: linear-gradient(rgba(21,32,52,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(21,32,52,.045) 1px, transparent 1px);
  background-size: 40px 40px;
}
a { color: inherit; }
button, input { font: inherit; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 2px solid var(--line);
  background: color-mix(in srgb, var(--paper) 94%, transparent);
  backdrop-filter: blur(12px);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  text-decoration: none;
}
.brand-mark { color: #152034; background: var(--lime); border: 2px solid #152034; padding: 1px 6px; }
.header-links { display: flex; align-items: center; gap: 16px; font-size: 14px; font-weight: 700; }
.header-links a { text-decoration: none; }
.cart-link { border: 2px solid var(--line); padding: 6px 10px; background: var(--paper-raised); }
.shell { width: min(1120px, calc(100% - 32px)); margin-inline: auto; }
.hero { padding: 72px 0 48px; }
.eyebrow {
  margin: 0 0 12px;
  font: 700 11px/1.4 "JetBrains Mono", monospace;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.eyebrow::before { content: "/| "; color: var(--blue); }
h1, h2, h3 { font-family: "Space Grotesk", sans-serif; line-height: 1.05; }
h1 { margin: 0; max-width: 900px; font-size: clamp(48px, 12vw, 108px); letter-spacing: -.055em; }
.hero-copy { max-width: 720px; margin: 26px 0 0; font-size: clamp(18px, 3vw, 24px); line-height: 1.45; }
.offer-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 32px 0;
  border: 2px solid var(--line);
  background: var(--paper-raised);
  box-shadow: var(--shadow);
}
.offer-fact { padding: 18px; border-right: 2px solid var(--line); }
.offer-fact:last-child { border-right: 0; }
.offer-fact span { display: block; color: var(--muted); font: 700 11px "JetBrains Mono", monospace; text-transform: uppercase; letter-spacing: .08em; }
.offer-fact strong { display: block; margin-top: 4px; font: 700 clamp(22px, 5vw, 36px) "Space Grotesk", sans-serif; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 28px; }
.button {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 11px 19px;
  border: 2px solid var(--line);
  border-radius: 3px;
  color: var(--ink);
  background: var(--paper-raised);
  box-shadow: 3px 3px 0 var(--line);
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}
.button:hover { transform: translate(-1px, -1px); box-shadow: 5px 5px 0 var(--line); }
.button:disabled { cursor: wait; opacity: .65; transform: none; }
.button-primary { background: var(--lime); color: #152034; }
.button-blue { background: var(--blue); color: #152034; }
.status-message { min-height: 24px; color: #a02f35; font-weight: 700; }
.section { padding: 48px 0; }
.section-head { max-width: 700px; margin-bottom: 24px; }
.section h2 { margin: 0 0 12px; font-size: clamp(30px, 6vw, 54px); letter-spacing: -.035em; }
.section-head p { color: var(--muted); font-size: 17px; }
.cohort-grid, .program-grid { display: grid; gap: 16px; }
.cohort-card, .program-card, .policy-card, .cart-row, .summary-card, .empty-cart {
  border: 2px solid var(--line);
  background: var(--paper-raised);
  box-shadow: 4px 4px 0 var(--line);
}
.cohort-card { display: grid; gap: 6px; padding: 22px; }
.cohort-card span, .cohort-card small { color: var(--muted); font: 700 12px "JetBrains Mono", monospace; text-transform: uppercase; letter-spacing: .06em; }
.cohort-card strong { font-size: 19px; }
.policy-card { padding: 24px; border-left: 10px solid var(--coral); }
.policy-card h2 { font-size: 28px; }
.policy-card p:last-child { margin-bottom: 0; }
.faq { display: grid; gap: 12px; }
.faq details { border-top: 2px solid var(--line); padding: 18px 0; }
.faq details:last-child { border-bottom: 2px solid var(--line); }
.faq summary { cursor: pointer; font-family: "Space Grotesk", sans-serif; font-size: 19px; font-weight: 700; }
.faq p { max-width: 760px; color: var(--muted); }
.page-note { color: var(--muted); font-size: 13px; }
.empty-note { color: var(--muted); }
.programs-hero h1 { max-width: 760px; }
.program-grid { grid-template-columns: 1fr; }
.program-card { display: flex; flex-direction: column; padding: 26px; }
.program-card h2 { margin: 0 0 12px; font-size: 32px; }
.program-card p { color: var(--muted); }
.program-card .program-meta { margin-top: auto; padding-top: 18px; color: var(--ink); font-weight: 800; }
.program-card .button { align-self: flex-start; margin-top: 16px; }
.cart-layout { display: grid; gap: 24px; padding-bottom: 72px; }
.cart-list { display: grid; gap: 16px; }
.cart-row { display: grid; gap: 20px; padding: 22px; }
.cart-row h2 { margin: 0; font-size: 26px; }
.cart-row p { margin: 4px 0 0; color: var(--muted); }
.cart-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; }
.cart-actions input { width: 70px; margin-left: 7px; padding: 5px; border: 2px solid var(--line); background: var(--paper); color: var(--ink); }
.text-button { border: 0; background: none; color: var(--ink); padding: 4px; text-decoration: underline; cursor: pointer; }
.cart-membership-term { color: var(--muted); }
.summary-card { height: max-content; padding: 24px; }
.summary-line { display: flex; justify-content: space-between; gap: 18px; font-size: 22px; }
.lab-addon { margin: 22px 0; padding: 18px 0; border-block: 2px solid var(--line); }
.lab-addon p { color: var(--muted); }
.empty-cart { padding: 28px; }
.thanks-card { max-width: 760px; margin: 80px auto; padding: clamp(28px, 6vw, 60px); border: 2px solid var(--line); background: var(--paper-raised); box-shadow: var(--shadow); }
.thanks-card h1 { font-size: clamp(44px, 10vw, 84px); }
.thanks-card p { font-size: 18px; }
.site-footer { margin-top: 56px; padding: 28px 20px; border-top: 2px solid var(--line); color: var(--muted); text-align: center; }

@media (max-width: 600px) {
  .header-links > a:first-child { display: none; }
  .offer-strip { grid-template-columns: 1fr; }
  .offer-fact { border-right: 0; border-bottom: 2px solid var(--line); }
  .offer-fact:last-child { border-bottom: 0; }
  .actions .button { width: 100%; }
}
@media (min-width: 760px) {
  .site-header { padding-inline: 32px; }
  .hero { padding-top: 96px; }
  .cohort-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .program-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cart-row { grid-template-columns: 1fr auto; align-items: center; }
  .cart-layout { grid-template-columns: minmax(0, 1fr) 340px; align-items: start; }
}