/* =========================================================
   edu.bcvr.io — course site stylesheet
   BCVR tokens (black canvas, neon wordmark gradient).
   ========================================================= */

:root {
  --ink-0: #000000; --ink-1: #0A0A0F; --ink-2: #14141C; --ink-3: #1F1F2B;
  --ink-4: #2A2A38; --ink-5: #3F3F50; --ink-6: #6B6B7E; --ink-7: #9B9BAE;
  --ink-8: #C9C9D6; --ink-9: #ECECF2;
  --pink: #F742C5; --orange: #FF7B10; --blue: #3096FB; --gold: #F7D000;
  --hairline: rgba(255,255,255,.06);
  --grad-wordmark: linear-gradient(180deg,#6840E8 0%,#BD31D6 18%,#F742C5 38%,#FF4A88 50%,#FF6A3D 70%,#FF8410 85%,#FFC845 100%);
  --grad-bar: linear-gradient(90deg,#6840E8,#F742C5,#FF7B10,#FFC845);
  --font-display: 'Audiowide','Arial Black',system-ui,sans-serif;
  --font-body: 'Space Grotesk',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --font-mono: 'JetBrains Mono',ui-monospace,'SF Mono',Menlo,Consolas,monospace;
  --ease: cubic-bezier(.16,1,.3,1);
  --pad-x: 60px;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--ink-0); color: var(--ink-9); overflow-x: hidden;
  font-family: var(--font-body); font-size: 15px; line-height: 1.5;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  min-height: 100%; display: flex; flex-direction: column;
}
img { display: block; max-width: 100%; }
a { color: var(--ink-9); text-decoration: none; transition: color 120ms var(--ease); }
a:hover { color: var(--pink); }
p { margin: 0; }
h1, h2, h3 { margin: 0; }
:focus-visible { outline: 2px solid var(--pink); outline-offset: 3px; }

.wrap { max-width: 1320px; margin: 0 auto; padding-left: var(--pad-x); padding-right: var(--pad-x); }
.sec { border-bottom: 1px solid var(--hairline); }
.sec > .wrap { padding-top: 96px; padding-bottom: 96px; }
.sec-dark { background: var(--ink-1); }

/* --- type -------------------------------------------------- */
.eyebrow { font-family: var(--font-mono); font-size: 12px; font-weight: 500; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-7); }
.eyebrow.dim { color: var(--ink-6); }
.eyebrow.hot { color: var(--orange); }
.mono { font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em; color: var(--ink-6); }
.display { font-family: var(--font-display); text-transform: uppercase; line-height: 1.1; color: var(--ink-9); }
.sec-title { font-size: 40px; }
.lede { font-size: 17px; line-height: 1.65; color: var(--ink-7); }
.grad-text { background: var(--grad-wordmark); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.stack { display: flex; flex-direction: column; gap: 20px; }

/* --- buttons ----------------------------------------------- */
.btn { position: relative; display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 28px; font-family: var(--font-body); font-size: 15px; font-weight: 600; border-radius: 0; cursor: pointer; white-space: nowrap; transition: box-shadow 120ms var(--ease), color 120ms var(--ease), border-color 120ms var(--ease); }
.btn-primary { background: var(--ink-0); color: var(--ink-9); border: 1px solid var(--pink); }
.btn-primary:hover { color: #fff; box-shadow: 0 0 24px rgba(247,66,197,.45); }
.btn-ghost { background: transparent; color: var(--ink-8); border: 1px solid var(--ink-5); font-weight: 500; }
.btn-ghost:hover { border-color: var(--ink-6); color: var(--ink-9); }
.btn-sm { min-height: 44px; padding: 0 22px; font-size: 14px; }
.btn[disabled] { opacity: .6; cursor: progress; box-shadow: none; }

/* --- surfaces ---------------------------------------------- */
.card { background: var(--ink-2); border: 1px solid var(--hairline); border-radius: 4px; box-shadow: inset 0 1px 0 rgba(255,255,255,.05), 0 6px 16px rgba(0,0,0,.55); transition: border-color 120ms var(--ease); }
.card:hover { border-color: var(--ink-5); }
.rule { border-top: 1px solid var(--ink-4); }

/* --- header ------------------------------------------------ */
.hdr { position: sticky; top: 0; z-index: 20; background: rgba(0,0,0,.7); -webkit-backdrop-filter: blur(20px) saturate(140%); backdrop-filter: blur(20px) saturate(140%); border-bottom: 1px solid var(--hairline); }
.hdr .wrap { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: flex; align-items: center; gap: 14px; }
.brand img { height: 30px; width: auto; }
.brand span { font-family: var(--font-mono); font-size: 12px; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-7); border-left: 1px solid var(--ink-4); padding-left: 14px; }
.nav { display: flex; align-items: center; gap: 32px; }
.nav a { color: var(--ink-7); font-size: 15px; font-weight: 500; }
.nav a:hover { color: var(--ink-9); }
.hdr-cta { display: flex; align-items: center; gap: 12px; }
.menu-btn { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; background: transparent; border: 1px solid var(--ink-4); color: var(--ink-9); cursor: pointer; padding: 0; }
.menu-btn svg { display: block; }
.menu-btn .x { display: none; }
body.menu-open .menu-btn .bars { display: none; }
body.menu-open .menu-btn .x { display: block; }

.sheet { display: none; position: fixed; inset: 64px 0 0 0; z-index: 19; background: rgba(0,0,0,.96); -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px); padding: 32px 20px; flex-direction: column; gap: 8px; overflow: auto; }
.sheet a { display: block; padding: 16px 0; border-bottom: 1px solid var(--ink-4); font-family: var(--font-display); font-size: 20px; text-transform: uppercase; color: var(--ink-9); }
.sheet a.btn { border: 1px solid var(--pink); font-family: var(--font-body); font-size: 15px; text-transform: none; margin-top: 24px; display: inline-flex; }
body.menu-open .sheet { display: flex; }
body.menu-open { overflow: hidden; }

/* --- hero -------------------------------------------------- */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--hairline); background: var(--ink-1); }
.hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 40%; filter: contrast(1.1) saturate(.95) brightness(.9); }
.hero-shade { position: absolute; inset: 0; pointer-events: none; background: linear-gradient(180deg, rgba(0,0,0,.35) 0%, rgba(0,0,0,.6) 50%, rgba(0,0,0,.92) 100%), linear-gradient(90deg, rgba(0,0,0,.75) 0%, rgba(0,0,0,.3) 55%, rgba(0,0,0,.1) 100%); }
.hero .wrap { position: relative; padding-top: 112px; padding-bottom: 96px; display: grid; grid-template-columns: minmax(0,7fr) minmax(0,5fr); gap: 64px; align-items: end; }
.hero-copy { display: flex; flex-direction: column; gap: 28px; }
.hero-title { font-size: 68px; line-height: 1.02; letter-spacing: -.01em; }
.hero-sub { font-family: var(--font-display); font-size: 22px; line-height: 1.2; letter-spacing: .02em; text-transform: uppercase; color: var(--ink-8); }
.hero-sub span { color: var(--ink-6); }
.hero-lede { font-size: 20px; line-height: 1.5; color: var(--ink-8); max-width: 58ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.hero-note { font-family: var(--font-mono); font-size: 12px; letter-spacing: .04em; color: var(--ink-6); }

.glance { padding: 32px; }
.glance .eyebrow { margin-bottom: 20px; }
.glance dl { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.glance dl div { padding: 16px 0; border-top: 1px solid var(--ink-4); }
.glance dt { font-size: 12px; color: var(--ink-6); margin-bottom: 6px; }
.glance dd { margin: 0; font-size: 18px; font-weight: 600; color: var(--ink-9); }
.bar { margin-top: 24px; height: 2px; background: var(--grad-bar); }

/* --- trust strip ------------------------------------------- */
.trust .wrap { padding-top: 28px; padding-bottom: 28px; display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 24px; }
.trust p { font-family: var(--font-mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-7); }

/* --- layout helpers ---------------------------------------- */
.two { display: grid; grid-template-columns: minmax(0,5fr) minmax(0,7fr); gap: 64px; align-items: start; }
.two.even { grid-template-columns: 1fr 1fr; }
.three { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.four { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; }

/* --- overview ---------------------------------------------- */
.stats { align-content: start; }
.stat { padding: 24px; display: flex; flex-direction: column; gap: 10px; }
.stat .num { font-family: var(--font-display); font-size: 40px; line-height: 1; }
.stat .lbl { font-size: 15px; font-weight: 600; color: var(--ink-9); }
.stat .txt { font-size: 13px; line-height: 1.5; color: var(--ink-7); }
.who { grid-column: 1 / -1; }
.who .three { gap: 20px; margin-top: 6px; }
.who p { font-size: 14px; line-height: 1.55; color: var(--ink-8); }
.who strong { color: var(--ink-9); }

/* --- curriculum -------------------------------------------- */
.curr-head { margin-bottom: 56px; align-items: end; }
.modules { border-bottom: 1px solid var(--ink-4); }
.module { display: grid; grid-template-columns: 120px minmax(0,4fr) minmax(0,5fr) 140px; gap: 32px; padding: 32px 0; align-items: start; border-top: 1px solid var(--ink-4); transition: background 120ms var(--ease); }
.module:hover { background: var(--ink-1); }
.module .num { font-family: var(--font-display); font-size: 40px; line-height: 1; }
.module h3 { font-size: 22px; font-weight: 600; line-height: 1.2; }
.module .when { margin-top: 8px; }
.module .desc { font-size: 15px; line-height: 1.6; color: var(--ink-7); }
.module .count { font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em; color: var(--ink-7); text-align: right; }
.curr-foot { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; }
.curr-foot p { font-size: 14px; color: var(--ink-6); }

/* --- how it works ------------------------------------------ */
.format-head { max-width: 720px; margin-bottom: 56px; }
.feat { padding: 28px 24px; display: flex; flex-direction: column; gap: 14px; }
.feat h3 { font-size: 18px; font-weight: 600; }
.feat p { font-size: 14px; line-height: 1.6; color: var(--ink-7); }
.voc { margin-top: 16px; padding: 40px; position: relative; overflow: hidden; display: grid; grid-template-columns: minmax(0,5fr) minmax(0,7fr); gap: 48px; align-items: center; }
.voc-glow { position: absolute; right: -200px; top: -200px; width: 600px; height: 600px; background: radial-gradient(circle at center, rgba(255,123,16,.16) 0%, rgba(0,0,0,0) 65%); pointer-events: none; }
.voc > :not(.voc-glow) { position: relative; }
.voc h3 { font-size: 30px; }
.voc .copy { display: flex; flex-direction: column; gap: 16px; }
.voc .copy p { font-size: 15px; line-height: 1.65; color: var(--ink-7); }
.voc figure { margin: 0; border: 1px solid var(--ink-4); display: flex; flex-direction: column; }
.voc figure > div { aspect-ratio: 16 / 10; background: var(--ink-1); overflow: hidden; }
.voc figure img { width: 100%; height: 100%; object-fit: cover; filter: contrast(1.1) saturate(.9); }
.voc figcaption { padding: 16px; display: flex; flex-direction: column; gap: 6px; }
.voc figcaption b { font-size: 15px; font-weight: 600; color: var(--ink-9); }
.voc figcaption span { font-size: 13px; line-height: 1.5; color: var(--ink-7); }
.needs { margin-top: 16px; padding: 28px 32px; display: flex; flex-wrap: wrap; gap: 32px; align-items: center; justify-content: space-between; }
.needs > div { display: flex; flex-direction: column; gap: 6px; flex: 1 1 420px; }
.needs p { font-size: 15px; line-height: 1.6; color: var(--ink-8); }

/* --- tutor ------------------------------------------------- */
.tutor-fig { margin: 0; position: relative; aspect-ratio: 4 / 5; background: var(--ink-2); border: 1px solid var(--hairline); overflow: hidden; }
.tutor-fig img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; filter: grayscale(100%) contrast(1.15); }
.tutor-fig .shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0) 55%, rgba(0,0,0,.75) 100%), radial-gradient(ellipse at 85% 10%, rgba(247,66,197,.28), rgba(0,0,0,0) 50%); }
.tutor-fig figcaption { position: absolute; left: 24px; bottom: 24px; font-family: var(--font-mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-8); }
.tutor-copy { display: flex; flex-direction: column; gap: 24px; }
.tutor-copy .lede.bright { color: var(--ink-8); }
.creds { margin-top: 8px; }
.creds div { padding: 16px 0; border-top: 1px solid var(--ink-4); }
.creds b { display: block; font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-6); margin-bottom: 6px; }
.creds span { font-size: 15px; color: var(--ink-9); }
.link-pink { font-size: 15px; font-weight: 500; color: var(--pink); }
.link-pink:hover { color: #fff; }

/* --- enrol ------------------------------------------------- */
.enrol { position: relative; overflow: hidden; }
.enrol-glow { position: absolute; left: 20%; top: 50%; width: 900px; height: 600px; transform: translate(-50%,-50%); background: radial-gradient(ellipse at center, rgba(48,150,251,.16) 0%, rgba(0,0,0,0) 65%); pointer-events: none; }
.enrol .wrap { position: relative; }
.facts { display: flex; flex-direction: column; }
.facts div { display: flex; justify-content: space-between; gap: 16px; padding: 16px 0; border-top: 1px solid var(--ink-4); font-size: 15px; }
.facts div:last-child { border-bottom: 1px solid var(--ink-4); }
.facts span:first-child { color: var(--ink-7); }
.facts span:last-child { font-weight: 600; color: var(--ink-9); text-align: right; }
.fine { font-size: 14px; line-height: 1.6; color: var(--ink-6); }

.form { padding: 32px; display: flex; flex-direction: column; gap: 20px; }
.form:hover { border-color: var(--hairline); }
.form-intro { display: flex; flex-direction: column; gap: 6px; }
.form-intro p { font-size: 15px; line-height: 1.5; color: var(--ink-8); }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 13px; color: var(--ink-7); }
.field input, .field textarea { min-height: 48px; padding: 12px 14px; background: var(--ink-1); border: 1px solid var(--ink-4); border-radius: 4px; color: var(--ink-9); font-family: var(--font-body); font-size: 15px; width: 100%; }
.field textarea { min-height: 96px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--ink-6); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--pink); box-shadow: 0 0 0 3px rgba(247,66,197,.18); }
.fields-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form .btn { width: 100%; }
.form-note { font-size: 12px; line-height: 1.5; color: var(--ink-6); }
.form-msg { display: none; font-size: 14px; line-height: 1.5; padding: 12px 14px; border-radius: 4px; }
.form-msg.err { display: block; color: #FFB4B4; border: 1px solid rgba(255,74,74,.4); background: rgba(255,74,74,.08); }
.form.sent .form-fields, .form.sent .btn, .form.sent .form-note, .form.sent .form-intro { display: none; }
.form-done { display: none; flex-direction: column; gap: 14px; padding: 8px 0; }
.form.sent .form-done { display: flex; }
.form-done .big { font-family: var(--font-display); font-size: 26px; text-transform: uppercase; line-height: 1.1; }
.form-done p { font-size: 15px; line-height: 1.6; color: var(--ink-8); }
.cf-turnstile { min-height: 0; max-width: 100%; overflow: hidden; }
.cf-turnstile iframe { max-width: 100%; }

/* --- faq --------------------------------------------------- */
.faq-list { display: flex; flex-direction: column; border-top: 1px solid var(--ink-4); }
.faq-list details { border-bottom: 1px solid var(--ink-4); }
.faq-list summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 22px 0; font-size: 17px; font-weight: 500; color: var(--ink-9); }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary:hover { color: var(--pink); }
.faq-list .chev { font-size: 22px; color: var(--ink-7); line-height: 1; transition: transform 220ms var(--ease); flex: none; }
.faq-list details[open] .chev { transform: rotate(45deg); }
.faq-list details p { margin: 0 0 22px; font-size: 15px; line-height: 1.65; color: var(--ink-7); max-width: 64ch; }
.faq-side p a { color: var(--pink); }

/* --- footer ------------------------------------------------ */
.ftr { background: var(--ink-0); margin-top: auto; }
.ftr-grid { padding-top: 64px; padding-bottom: 40px; display: grid; grid-template-columns: minmax(0,2fr) repeat(3, minmax(0,1fr)); gap: 48px; }
.ftr-grid > div { display: flex; flex-direction: column; gap: 12px; }
.ftr-grid img { height: 28px; width: auto; align-self: flex-start; margin-bottom: 4px; }
.ftr-grid .about { font-size: 14px; line-height: 1.6; color: var(--ink-6); max-width: 36ch; }
.ftr-grid b { font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-6); }
.ftr-grid a { font-size: 14px; color: var(--ink-7); }
.ftr-grid a:hover { color: var(--pink); }
.ftr-grid .soon { font-size: 14px; color: var(--ink-5); }
.ftr-base { padding-top: 24px; padding-bottom: 40px; border-top: 1px solid var(--hairline); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; color: var(--ink-6); }

/* --- phone ------------------------------------------------- */
@media (max-width: 1100px) {
  .hero-title { font-size: 56px; }
  .module { grid-template-columns: 80px minmax(0,4fr) minmax(0,5fr); }
  .module .count { grid-column: 2; text-align: left; }
  .voc { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  :root { --pad-x: 20px; }
  .sec > .wrap { padding-top: 56px; padding-bottom: 56px; }
  .hdr .wrap { min-height: 64px; gap: 16px; }
  .brand img { height: 24px; }
  .brand span { font-size: 11px; padding-left: 10px; }
  .nav { display: none; }
  .hdr-cta .btn { display: none; }
  .menu-btn { display: inline-flex; }
  .hero .wrap { grid-template-columns: minmax(0,1fr); gap: 32px; padding-top: 56px; padding-bottom: 48px; }
  .hero-img { object-position: 35% 45%; filter: contrast(1.1) saturate(.95) brightness(.85); }
  .hero-shade { background: linear-gradient(180deg, rgba(0,0,0,.45) 0%, rgba(0,0,0,.7) 50%, rgba(0,0,0,.95) 100%); }
  .hero-copy { gap: 22px; }
  .hero-title { font-size: 36px; line-height: 1.04; }
  .hero-sub { font-size: 15px; line-height: 1.3; }
  .hero-lede { font-size: 16px; }
  .hero-actions { flex-direction: column; align-items: stretch; gap: 12px; }
  .hero-actions .btn { width: 100%; }
  .glance { padding: 20px; }
  .glance dd { font-size: 16px; }
  .sec-title { font-size: 26px; }
  .lede { font-size: 15px; }
  .trust .wrap { grid-template-columns: 1fr 1fr; gap: 16px; }
  .trust p { font-size: 11px; }
  .two, .two.even { grid-template-columns: minmax(0,1fr); gap: 32px; }
  .three { grid-template-columns: minmax(0,1fr); }
  .two > *, .three > *, .four > *, .form > * { min-width: 0; }
  .stats { grid-template-columns: repeat(3, minmax(0,1fr)); gap: 10px; }
  .stat { padding: 14px; gap: 6px; }
  .stat .num { font-size: 26px; }
  .stat .lbl { font-size: 12px; font-weight: 500; color: var(--ink-8); }
  .stat .txt { display: none; }
  .who { padding: 20px; }
  .who .three { grid-template-columns: 1fr; gap: 12px; }
  .four { grid-template-columns: 1fr 1fr; gap: 10px; }
  .feat { padding: 20px 16px; }
  .curr-head { margin-bottom: 24px; }
  .module { grid-template-columns: 36px minmax(0,1fr); gap: 10px 16px; padding: 18px 0; }
  .module .num { font-size: 20px; }
  .module h3 { font-size: 16px; }
  .module .when { margin-top: 4px; font-size: 11px; }
  .module .desc { grid-column: 2; font-size: 14px; }
  .module .count { grid-column: 2; text-align: left; font-size: 11px; }
  .format-head { margin-bottom: 24px; }
  .voc { padding: 24px 20px; gap: 24px; }
  .voc h3 { font-size: 24px; }
  .voc .three { grid-template-columns: 1fr; gap: 10px; }
  .voc figure { flex-direction: row; align-items: stretch; }
  .voc figure > div { flex: 0 0 112px; aspect-ratio: auto; }
  .voc figcaption { padding: 12px 14px; justify-content: center; }
  .needs { padding: 20px; gap: 16px; }
  .needs .btn { width: 100%; }
  .tutor-fig { aspect-ratio: 1 / 1; width: 160px; border-radius: 50%; border-color: var(--ink-5); }
  .tutor-fig img { object-position: 50% 22%; }
  .tutor-fig .shade, .tutor-fig figcaption { display: none; }
  .creds.three { gap: 0; }
  .enrol-glow { display: none; }
  .form { padding: 20px; }
  .fields-2 { grid-template-columns: minmax(0,1fr); }
  .facts div { font-size: 14px; padding: 12px 0; }
  .faq-list summary { font-size: 15px; padding: 16px 0; }
  .ftr-grid { grid-template-columns: minmax(0,1fr); gap: 28px; padding-top: 40px; }
  .ftr-base { padding-bottom: 32px; }
}
@media (max-width: 400px) {
  .hero-title { font-size: 32px; }
  .four { grid-template-columns: 1fr; }
}