/* Academy home page: same tokens and components as the course sites, plus the course catalogue */
:root {
  --bg: #fbfaf7;
  --bg-soft: #f3f1ec;
  --card: #ffffff;
  --ink: #1d1c22;
  --ink-soft: #55535e;
  --ink-faint: #8a8794;
  --line: #e4e1da;
  --accent: #4f46e5;
  --accent-soft: #eef0ff;
  --accent-ink: #3730a3;
  --shadow: 0 1px 2px rgba(20, 18, 30, .05), 0 8px 24px rgba(20, 18, 30, .06);
  --radius: 14px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --serif: "Fraunces", Georgia, serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111116; --bg-soft: #17171e; --card: #1b1b23; --ink: #ecebf2; --ink-soft: #b2b0bd; --ink-faint: #85838f;
    --line: #2c2b36; --accent: #8b85ff; --accent-soft: #23224a; --accent-ink: #c4c1ff;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #111116; --bg-soft: #17171e; --card: #1b1b23; --ink: #ecebf2; --ink-soft: #b2b0bd; --ink-faint: #85838f;
  --line: #2c2b36; --accent: #8b85ff; --accent-soft: #23224a; --accent-ink: #c4c1ff;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.65 var(--font); overflow-x: hidden; }
a { color: var(--accent); }

/* top bar */
.topbar {
  position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px clamp(16px, 4vw, 40px); background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 600; letter-spacing: -.01em; white-space: nowrap; }
.brand-mark { color: var(--accent); display: flex; }
.topnav { display: flex; align-items: center; gap: clamp(10px, 2.4vw, 26px); font-size: 15px; }
.topnav a { color: var(--ink-soft); text-decoration: none; }
.topnav a:hover { color: var(--accent); }
.topnav .lang-switch { border: 1px solid var(--line); border-radius: 999px; padding: 3px 11px; font-size: 13.5px; color: var(--ink); background: var(--card); white-space: nowrap; }
.topnav .lang-switch:hover { border-color: var(--accent); }
.theme-toggle { border: 1px solid var(--line); background: var(--card); color: var(--ink-soft); border-radius: 9px; width: 34px; height: 34px; display: grid; place-items: center; cursor: pointer; }
.theme-toggle .i-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .i-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .i-moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .i-sun { display: none; }
  :root:not([data-theme="light"]) .theme-toggle .i-moon { display: block; }
}

/* buttons, chips */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 12px 20px; border-radius: 11px; text-decoration: none; border: 1px solid var(--line); color: var(--ink); background: var(--card); cursor: pointer; font: 600 15px var(--font); }
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { color: #fff; filter: brightness(1.08); }
.btn-ghost { background: transparent; }
.chips { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.chips li { font-size: 12.5px; padding: 3px 9px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-ink); }
.eyebrow { text-transform: uppercase; letter-spacing: .08em; font-size: 12.5px; font-weight: 600; color: var(--accent); margin: 0 0 10px; }

/* page */
.landing { max-width: 1180px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 40px); }
.hero { padding: clamp(40px, 8vw, 88px) 0 40px; max-width: 820px; }
.hero h1 { font-family: var(--serif); font-size: clamp(40px, 6.5vw, 68px); line-height: 1.04; letter-spacing: -.02em; margin: 0 0 18px; }
.lead { font-size: clamp(17px, 2vw, 19.5px); color: var(--ink-soft); margin: 0 0 26px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-stats { list-style: none; padding: 0; margin: 34px 0 0; display: grid; grid-template-columns: repeat(4, auto); justify-content: start; gap: 12px 34px; }
.hero-stats b { display: block; font-size: 26px; font-family: var(--serif); }
.hero-stats span { font-size: 13.5px; color: var(--ink-faint); }
.section-head h2, .path h2, .how h2 { font-family: var(--serif); font-size: clamp(30px, 4vw, 40px); margin: 0 0 8px; letter-spacing: -.01em; }
.section-head p { color: var(--ink-soft); max-width: 720px; margin: 0; }

/* course catalogue */
.catalog { padding: 24px 0 40px; }
.course-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 26px; }
.course-card { display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); }
.course-top { display: flex; justify-content: space-between; align-items: center; }
.course-mark { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 12px; background: var(--accent); color: #fff; font: 700 17px var(--font); }
.course-level { font-size: 12.5px; font-weight: 600; color: var(--accent); text-transform: uppercase; letter-spacing: .08em; }
.course-card h3 { font-family: var(--serif); font-size: 26px; margin: 16px 0 6px; line-height: 1.2; }
.course-card > p { margin: 0; color: var(--ink-soft); font-size: 15px; }
.course-meta { list-style: none; padding: 0; margin: 14px 0 4px; display: flex; flex-wrap: wrap; gap: 4px 18px; font-size: 13.5px; color: var(--ink-faint); }
.course-label { font-size: 12.5px !important; font-weight: 600; color: var(--ink-faint) !important; text-transform: uppercase; letter-spacing: .08em; margin: 16px 0 8px !important; }
.course-needs { flex: 1; }
.course-card .btn { margin-top: 22px; align-self: flex-start; }

/* suggested path */
.path { padding: 24px 0 40px; }
.steps { list-style: none; padding: 0; margin: 18px 0 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.steps li { display: flex; gap: 16px; align-items: flex-start; }
.step { flex: none; display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; border: 2px solid var(--accent); color: var(--accent); font: 700 16px var(--font); }
.steps h3 { margin: 4px 0 4px; font-size: 18px; }
.steps p { margin: 0; color: var(--ink-soft); font-size: 15px; }

/* how it works */
.how { padding: 24px 0 64px; }
.pillars { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin-top: 18px; }
.pillars div { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.pillars h3 { margin: 0 0 6px; font-size: 17px; }
.pillars p { margin: 0; color: var(--ink-soft); font-size: 15px; }

.footer { border-top: 1px solid var(--line); padding: 26px clamp(16px, 4vw, 40px); text-align: center; color: var(--ink-faint); font-size: 13.5px; }
.footer p { margin: 4px 0; }

@media (max-width: 960px) {
  .pillars { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .course-grid, .steps { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 620px) {
  .pillars { grid-template-columns: minmax(0, 1fr); }
  .hero-stats { grid-template-columns: repeat(2, auto); }
  .topnav { gap: 10px; font-size: 14px; }
  .brand span:last-child { font-size: 15px; }
}
@media (max-width: 520px) {
  .brand span:last-child { display: none; }
  .topnav { gap: 8px; font-size: 13px; }
  .topnav .lang-switch { padding: 2px 8px; font-size: 12.5px; }
}