/* CCHS Academy — Cool Car Hat Spiders
   Theme: night drive at sunset — charcoal body, tangerine & crimson accents */

:root {
  --bg: #0c0a10;
  --bg-2: #14101c;
  --bg-3: #1c1626;
  --line: #2c2340;
  --ink: #f3eee8;
  --ink-dim: #b4a8c2;
  --ink-faint: #7d7192;
  --sun: #ff7a18;
  --sun-2: #ffb347;
  --red: #e00040;
  --gold: #f5c14e;
  --good: #3ddc84;
  --bad: #ff5470;
  --radius: 14px;
  --font-head: "Sora", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.2; margin: 0 0 .5em; }
p { margin: 0 0 1em; }
a { color: var(--sun-2); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
em { color: var(--sun-2); font-style: italic; }

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

/* ---------- top nav ---------- */
.site-nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(12, 10, 16, .85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 20px;
  display: flex; align-items: center; gap: 24px; height: 60px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-head); font-weight: 700; font-size: 1.05rem;
  color: var(--ink); text-decoration: none;
}
.brand:hover { text-decoration: none; }
.brand .logo { width: 32px; height: 32px; }
.brand small { color: var(--ink-faint); font-weight: 400; display: block; font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; }
.nav-links { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.nav-links a {
  color: var(--ink-dim); padding: 8px 14px; border-radius: 8px;
  font-size: .95rem; text-decoration: none;
}
.nav-links a:hover { color: var(--ink); background: var(--bg-3); }
.nav-links a.active { color: var(--sun-2); background: var(--bg-3); }
.nav-progress {
  font-size: .8rem; font-weight: 600; color: var(--good);
  border: 1px solid var(--good); border-radius: 999px; padding: 3px 10px;
  margin-left: 8px;
}
.nav-toggle {
  display: none; margin-left: auto; background: none; border: 1px solid var(--line);
  color: var(--ink); border-radius: 8px; padding: 8px 12px; font-size: 1.1rem; cursor: pointer;
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 60px; right: 0; left: 0;
    flex-direction: column; align-items: stretch; padding: 12px 20px 18px;
    background: var(--bg-2); border-bottom: 1px solid var(--line);
  }
  .nav-links.open { display: flex; }
  .nav-progress { margin: 10px 0 0; align-self: flex-start; }
}

/* ---------- hero ---------- */
.hero {
  position: relative; overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(224, 0, 64, .25), transparent 60%),
    radial-gradient(900px 500px at 10% 110%, rgba(255, 122, 24, .15), transparent 60%),
    var(--bg);
}
.hero-inner {
  max-width: 1100px; margin: 0 auto; padding: 72px 20px 64px;
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center;
}
.hero-eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .18em;
  text-transform: uppercase; color: var(--sun-2);
  border: 1px solid rgba(255, 179, 71, .4); border-radius: 999px; padding: 5px 14px; margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 3.8rem); font-weight: 800; letter-spacing: -.02em;
}
.hero h1 .grad {
  background: linear-gradient(92deg, var(--sun-2), var(--sun) 45%, var(--red));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { font-size: 1.15rem; color: var(--ink-dim); max-width: 46ch; margin-bottom: 28px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-img {
  border-radius: var(--radius); overflow: hidden; position: relative;
  border: 1px solid var(--line);
  box-shadow: 0 30px 80px -20px rgba(224, 0, 64, .35), 0 10px 30px rgba(0,0,0,.5);
  transform: rotate(1.5deg);
}
.hero-img::after {
  content: "Professor Legs McGraw · Founder, CCHS Academy";
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 24px 16px 12px; font-size: .8rem; color: var(--ink-dim);
  background: linear-gradient(transparent, rgba(0,0,0,.85));
}
@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; padding: 48px 20px; }
  .hero-img { transform: none; order: -1; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-block; font-family: var(--font-head); font-weight: 600; font-size: 1rem;
  padding: 13px 26px; border-radius: 10px; border: 1px solid transparent;
  cursor: pointer; text-decoration: none; transition: transform .12s ease, box-shadow .12s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  color: #fff; background: linear-gradient(92deg, var(--sun), var(--red));
  box-shadow: 0 8px 24px -8px rgba(224, 0, 64, .6);
}
.btn-ghost { color: var(--ink); background: var(--bg-3); border-color: var(--line); }

/* ---------- sections ---------- */
.section { padding: 64px 0; }
.section.alt { background: var(--bg-2); border-block: 1px solid var(--line); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 40px; }
.section-head .kicker {
  font-size: .78rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--sun);
}
.section-head h2 { font-size: clamp(1.7rem, 3.5vw, 2.3rem); letter-spacing: -.01em; }
.section-head p { color: var(--ink-dim); }

.home-progress {
  max-width: 1100px; margin: 24px auto 0; padding: 14px 20px;
  border: 1px solid rgba(61, 220, 132, .35); border-radius: var(--radius);
  background: rgba(61, 220, 132, .07); color: var(--ink-dim); font-size: .95rem;
}

/* ---------- feature cards (home) ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 860px) { .feature-grid { grid-template-columns: 1fr; } }
.feature-card {
  display: block; background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; color: var(--ink); text-decoration: none; transition: transform .15s ease, border-color .15s ease;
}
.feature-card:hover { transform: translateY(-4px); border-color: var(--sun); text-decoration: none; }
.feature-card h3 { margin: 10px 0 6px; font-size: 1.2rem; }
.feature-card p { color: var(--ink-dim); font-size: .95rem; margin-bottom: 14px; }
.course-icon { font-size: 2rem; }
.course-num {
  display: inline-block; margin-left: 10px; font-size: .75rem; font-weight: 700;
  letter-spacing: .14em; color: var(--gold); vertical-align: middle;
}
.feature-link { color: var(--sun-2); font-weight: 600; font-size: .9rem; }

/* ---------- stat strip ---------- */
.stat-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
@media (max-width: 720px) { .stat-strip { grid-template-columns: repeat(2, 1fr); } }
.stat b {
  display: block; font-family: var(--font-head); font-size: 2.2rem; font-weight: 800;
  background: linear-gradient(92deg, var(--sun-2), var(--red));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat span { color: var(--ink-dim); font-size: .9rem; }

/* ---------- why list ---------- */
.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 720px) { .why-grid { grid-template-columns: 1fr; } }
.why-item { display: flex; gap: 16px; }
.why-item .why-icon { font-size: 1.6rem; line-height: 1; margin-top: 4px; }
.why-item h3 { font-size: 1.05rem; margin-bottom: 4px; }
.why-item p { color: var(--ink-dim); font-size: .95rem; margin: 0; }

/* ---------- course catalog ---------- */
.course-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
@media (max-width: 860px) { .course-grid { grid-template-columns: 1fr; } }
.course-card {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; scroll-margin-top: 80px;
}
.course-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.course-top .course-num { margin-left: 0; }
.course-card h2 { font-size: 1.35rem; margin-bottom: 4px; }
.course-card .tagline { color: var(--ink-dim); font-size: .95rem; margin-bottom: 14px; }
.course-meta { display: flex; gap: 14px; font-size: .82rem; color: var(--ink-faint); margin-bottom: 14px; }
.lesson-list { list-style: none; margin: 14px 0 0; padding: 0; }
.lesson-list li a {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px;
  border-radius: 10px; color: var(--ink); text-decoration: none; font-size: .95rem;
}
.lesson-list li a:hover { background: var(--bg-3); }
.lesson-check {
  flex: 0 0 26px; height: 26px; border-radius: 8px; display: grid; place-items: center;
  background: var(--bg-3); border: 1px solid var(--line); font-size: .8rem; font-weight: 700; color: var(--ink-dim);
}
.lesson-list li.done .lesson-check { background: rgba(61,220,132,.15); border-color: var(--good); color: var(--good); }
.lesson-list li.done .lesson-name { color: var(--ink-dim); }
.lesson-name { flex: 1; }
.lesson-min { font-size: .78rem; color: var(--ink-faint); }

.progress-bar { height: 6px; border-radius: 3px; background: var(--bg-3); overflow: hidden; }
.progress-fill { height: 100%; border-radius: 3px; background: linear-gradient(90deg, var(--sun), var(--red)); transition: width .4s ease; }
.progress-label { font-size: .8rem; color: var(--ink-faint); margin: 8px 0 0; }

/* ---------- lesson page ---------- */
.lesson-wrap { max-width: 760px; margin: 0 auto; padding: 40px 20px 80px; }
.breadcrumb { font-size: .85rem; color: var(--ink-faint); margin-bottom: 24px; }
.breadcrumb a { color: var(--ink-dim); }
.breadcrumb span { margin: 0 8px; }
.lesson-head h1 { font-size: clamp(1.9rem, 4.5vw, 2.6rem); letter-spacing: -.01em; }
.lesson-meta { color: var(--ink-faint); font-size: .9rem; margin-bottom: 32px; }
.lesson-section { margin-bottom: 34px; }
.lesson-section h2 { font-size: 1.35rem; color: var(--sun-2); }
.lesson-section p { color: #d9d2e4; }
.lesson-section strong { color: var(--ink); }
.fact-box {
  background: linear-gradient(160deg, rgba(255,122,24,.1), rgba(224,0,64,.08));
  border: 1px solid rgba(255,122,24,.3); border-radius: var(--radius); padding: 24px 26px; margin: 40px 0;
}
.fact-box h2 { font-size: 1.05rem; color: var(--sun-2); text-transform: uppercase; letter-spacing: .1em; }
.fact-box ul { margin: 0; padding-left: 20px; }
.fact-box li { margin-bottom: 8px; color: #d9d2e4; }
.lesson-actions { margin: 36px 0; }
.lesson-pager { display: flex; justify-content: space-between; gap: 16px; margin-top: 40px; }
.pager-card {
  flex: 1; max-width: 48%; display: block; background: var(--bg-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px 18px; color: var(--ink); text-decoration: none;
}
.pager-card.next { text-align: right; margin-left: auto; }
.pager-card:hover { border-color: var(--sun); }
.pager-card span { display: block; font-size: .78rem; color: var(--ink-faint); text-transform: uppercase; letter-spacing: .1em; }
.pager-card strong { font-family: var(--font-head); font-size: .95rem; }
.lesson-missing { text-align: center; padding: 80px 0; }

/* ---------- quiz ---------- */
.quiz-wrap { max-width: 680px; margin: 0 auto; padding: 48px 20px 80px; }
.quiz-card {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px;
}
.quiz-start, .quiz-results { text-align: center; }
.quiz-start p, .quiz-results p { color: var(--ink-dim); }
.quiz-best { color: var(--gold) !important; }
.quiz-hud { display: flex; justify-content: space-between; font-size: .85rem; color: var(--ink-faint); margin-bottom: 12px; }
.quiz-q { font-size: 1.4rem; margin: 22px 0 20px; }
.quiz-options { display: grid; gap: 10px; }
.quiz-opt {
  text-align: left; font-family: var(--font-body); font-size: 1rem; color: var(--ink);
  background: var(--bg-3); border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 18px; cursor: pointer; transition: border-color .12s ease;
}
.quiz-opt:hover:not(:disabled) { border-color: var(--sun); }
.quiz-opt:disabled { cursor: default; opacity: .75; }
.quiz-opt.correct { border-color: var(--good); background: rgba(61,220,132,.12); opacity: 1; }
.quiz-opt.wrong { border-color: var(--bad); background: rgba(255,84,112,.12); }
.quiz-why { margin-top: 18px; padding: 14px 16px; border-radius: 10px; background: var(--bg-3); font-size: .92rem; color: var(--ink-dim); }
.quiz-why strong { color: var(--ink); }
#quiz-next { margin-top: 20px; }
.quiz-score-big {
  font-family: var(--font-head); font-size: 4.5rem; font-weight: 800; line-height: 1;
  background: linear-gradient(92deg, var(--sun-2), var(--red));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.quiz-score-big span { font-size: 2rem; }
.diploma {
  margin: 26px auto; padding: 22px; max-width: 420px;
  border: 2px solid var(--gold); border-radius: var(--radius);
  font-family: var(--font-head); font-weight: 700; letter-spacing: .08em; color: var(--gold);
  background: rgba(245,193,78,.06);
}
.diploma small { font-weight: 400; letter-spacing: 0; color: var(--ink-dim); }
.quiz-actions { display: flex; gap: 12px; justify-content: center; margin-top: 24px; flex-wrap: wrap; }

/* ---------- about ---------- */
.about-wrap { max-width: 720px; margin: 0 auto; padding: 56px 20px 80px; }
.about-wrap h1 { font-size: clamp(2rem, 4.5vw, 2.6rem); }
.about-wrap h2 { color: var(--sun-2); font-size: 1.3rem; margin-top: 36px; }
.about-wrap p, .about-wrap li { color: #d9d2e4; }
.about-mascot { border-radius: var(--radius); border: 1px solid var(--line); margin: 24px 0; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: var(--bg-2); margin-top: 40px; }
.footer-inner {
  max-width: 1100px; margin: 0 auto; padding: 36px 20px;
  display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between;
}
.footer-inner .brand { font-size: .95rem; }
.footer-links { display: flex; gap: 18px; font-size: .9rem; }
.footer-links a { color: var(--ink-dim); }
.footer-note { width: 100%; font-size: .8rem; color: var(--ink-faint); }

/* ---------- misc ---------- */
.skip-link {
  position: absolute; left: -9999px; top: 8px; z-index: 100;
  background: var(--sun); color: #000; padding: 8px 16px; border-radius: 8px;
}
.skip-link:focus { left: 8px; }
::selection { background: rgba(255,122,24,.4); }