/* ABC2 — demo site
   Single stylesheet, all tokens in custom properties. */
:root {
  --navy-950: #0a1826;
  --navy-900: #0b1f33;
  --navy-800: #122a45;
  --navy-700: #1d3a5c;
  --navy-600: #3d5570;
  --navy-400: #64809f;
  --navy-300: #8fa5bf;
  --navy-200: #b9c9dc;
  --navy-100: #d8e2ee;
  --cream: #f7f4ee;
  --paper: #ffffff;
  --line: #e4ded2;
  --gold-400: #fbbf24;
  --gold-500: #f59e0b;
  --gold-700: #b45309;
  --gold-800: #92400e;
  --banner-bg: #fef3c7;
  --error: #b91c1c;
  --success-bg: #ecfdf5;
  --success-line: #059669;
  --success-text: #065f46;
  --radius: 16px;
  --shadow: 0 8px 24px rgba(10, 24, 38, 0.08);
  --wrap: 1120px;
  --font-body: 'Inter Variable', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

@font-face {
  font-family: 'Inter Variable';
  src: url('../fonts/InterVariable.woff2') format('woff2var');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--navy-900);
  background: var(--paper);
}
img, svg { max-width: 100%; height: auto; }
a { color: var(--gold-700); }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--gold-500); outline-offset: 2px; border-radius: 4px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--gold-400); color: var(--navy-950);
  padding: 10px 16px; border-radius: 0 0 8px 0; font-weight: 700;
}
.skip-link:focus { left: 0; }

/* Demo banner */
.demo-banner {
  background: var(--banner-bg); color: #713f12;
  font-size: 13px; font-weight: 600;
  padding: 8px 16px; text-align: center;
}
.demo-banner a { color: var(--gold-800); font-weight: 800; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--navy-900); color: var(--navy-100);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; min-height: 72px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  color: #fff; text-decoration: none; font-weight: 800; font-size: 18px;
  letter-spacing: -0.01em;
}
.brand .mark { width: 34px; height: 34px; flex: none; }
.brand small { display: block; font-size: 11px; font-weight: 600; color: var(--gold-400); letter-spacing: 0.14em; text-transform: uppercase; }

.nav-menu { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-menu a {
  display: block; padding: 10px 14px; border-radius: 10px;
  color: var(--navy-100); text-decoration: none; font-weight: 600; font-size: 15px;
}
.nav-menu a:hover { background: rgba(255,255,255,0.08); color: #fff; }
.nav-menu a[aria-current="page"] { background: rgba(251,191,36,0.16); color: var(--gold-400); }
.nav-menu .nav-cta {
  margin-left: 8px; background: var(--gold-500); color: var(--navy-950);
  font-weight: 800; border-radius: 10px;
}
.nav-menu .nav-cta:hover { background: var(--gold-400); }

.nav-toggle {
  display: none; background: none; border: 1px solid rgba(255,255,255,0.25);
  border-radius: 10px; width: 44px; height: 44px; cursor: pointer;
  padding: 10px; color: #fff;
}
.nav-toggle svg { display: block; width: 100%; height: 100%; }

@media (max-width: 880px) {
  .nav-toggle { display: block; }
  .nav-menu {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: var(--navy-950); padding: 12px 16px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: none;
  }
  .nav-menu.open { display: flex; }
  .nav-menu a { padding: 12px 14px; }
  .nav-menu .nav-cta { margin: 8px 0 0; text-align: center; }
}

/* Sections */
.section { padding: 72px 0; }
.section-alt { background: var(--cream); }
.section-dark { background: var(--navy-900); color: var(--navy-100); }
.section-dark a { color: var(--gold-400); }
.eyebrow {
  display: inline-block; font-size: 12px; font-weight: 800;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--gold-700);
}
.section-dark .eyebrow { color: var(--gold-400); }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.2rem); line-height: 1.12; font-weight: 800; letter-spacing: -0.02em; margin: 0 0 18px; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 800; letter-spacing: -0.015em; margin: 0 0 12px; }
h3 { font-size: 1.1rem; font-weight: 700; margin: 0 0 8px; }
.lead { font-size: 1.13rem; color: var(--navy-600); max-width: 62ch; }
.section-dark .lead { color: var(--navy-200); }
.section-head { max-width: 720px; margin-bottom: 40px; }
.section-head.centered { margin-left: auto; margin-right: auto; text-align: center; }

/* Buttons */
.btn {
  display: inline-block; padding: 13px 22px; border-radius: 12px;
  font-weight: 800; font-size: 15px; text-decoration: none;
  border: 2px solid transparent; cursor: pointer; font-family: inherit;
}
.btn-primary { background: var(--gold-500); color: var(--navy-950); }
.btn-primary:hover { background: var(--gold-400); }
.btn-ghost { background: transparent; border-color: var(--navy-700); color: var(--navy-900); }
.btn-ghost:hover { border-color: var(--navy-900); }
.hero .btn-ghost { border-color: var(--navy-300); color: #fff; }
.hero .btn-ghost:hover { border-color: var(--gold-400); color: var(--gold-400); background: transparent; }
.section-dark .btn-ghost { border-color: var(--navy-300); color: #fff; }
.section-dark .btn-ghost:hover { border-color: var(--gold-400); color: var(--gold-400); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }

/* Hero */
.hero { background: var(--navy-900); color: #fff; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(700px 380px at 85% 10%, rgba(251,191,36,0.14), transparent 65%),
    radial-gradient(600px 400px at 0% 100%, rgba(29,58,92,0.55), transparent 60%);
}
.hero .wrap { position: relative; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; padding-top: 84px; padding-bottom: 84px; }
.hero h1 { color: #fff; }
.hero .lead { color: var(--navy-200); }
.hero-art { width: 100%; }
.offer-chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(251,191,36,0.14); border: 1px solid rgba(251,191,36,0.45);
  color: var(--gold-400); font-size: 13px; font-weight: 700;
  padding: 7px 14px; border-radius: 999px; margin-bottom: 20px;
}
@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 32px; padding-top: 56px; padding-bottom: 56px; }
  .hero-art { max-width: 520px; }
}

/* Trust strip */
.trust-strip { background: var(--navy-800); border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; padding: 22px 0; }
.trust-grid div { display: flex; gap: 10px; align-items: center; color: var(--navy-100); font-size: 14px; font-weight: 600; }
.trust-grid svg { flex: none; color: var(--gold-400); }
@media (max-width: 880px) { .trust-grid { grid-template-columns: 1fr 1fr; } }

/* Cards */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.card .icon {
  width: 44px; height: 44px; border-radius: 12px; margin-bottom: 14px;
  background: var(--navy-900); color: var(--gold-400);
  display: flex; align-items: center; justify-content: center;
}
.card p { margin: 8px 0 0; font-size: 14.5px; color: var(--navy-600); }
.card .price { display: inline-block; margin-top: 14px; font-weight: 800; color: var(--gold-700); font-size: 14px; }
@media (max-width: 900px) { .card-grid, .card-grid.cols-2 { grid-template-columns: 1fr; } }

/* Steps */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; list-style: none; margin: 0; padding: 0; }
.steps li { position: relative; padding: 26px 24px; background: var(--navy-800); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius); }
.steps .num {
  display: inline-flex; width: 36px; height: 36px; align-items: center; justify-content: center;
  background: var(--gold-500); color: var(--navy-950); font-weight: 800; border-radius: 999px;
  margin-bottom: 14px;
}
.steps h3 { color: #fff; }
.steps p { margin: 0; font-size: 14.5px; color: var(--navy-200); }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr; } }

/* Programme detail blocks */
.programme {
  display: grid; grid-template-columns: 1fr 300px; gap: 28px;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; margin-bottom: 20px;
}
.programme h3 { font-size: 1.25rem; }
.programme .facts { background: var(--cream); border-radius: 12px; padding: 18px; font-size: 14px; }
.programme .facts dl { margin: 0; }
.programme .facts dt { font-weight: 700; color: var(--navy-400); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; margin-top: 12px; }
.programme .facts dt:first-child { margin-top: 0; }
.programme .facts dd { margin: 2px 0 0; font-weight: 600; color: var(--navy-900); }
@media (max-width: 820px) { .programme { grid-template-columns: 1fr; } }

/* FAQ */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-list details {
  background: var(--paper); border: 1px solid var(--line); border-radius: 12px;
  padding: 0 20px; margin-bottom: 12px;
}
.faq-list summary {
  cursor: pointer; font-weight: 700; padding: 18px 0; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; font-size: 22px; color: var(--gold-700); line-height: 1; flex: none; }
.faq-list details[open] summary::after { content: "\2013"; }
.faq-list details p { margin: 0 0 18px; color: var(--navy-600); font-size: 15px; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; gap: 32px; } }

/* Forms */
.form-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: start; }
@media (max-width: 900px) { .form-grid { grid-template-columns: 1fr; } }
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 700; font-size: 14px; margin-bottom: 6px; color: var(--navy-900); }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; font: inherit; font-size: 15px;
  border: 1.5px solid var(--navy-200); border-radius: 10px; background: var(--paper);
  color: var(--navy-900);
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--gold-500); box-shadow: 0 0 0 3px rgba(245,158,11,0.25);
}
.field input[aria-invalid="true"], .field select[aria-invalid="true"] { border-color: var(--error); }
.field .field-error { display: none; color: var(--error); font-size: 13px; font-weight: 600; margin-top: 6px; }
.field.invalid .field-error { display: block; }
.form-note { font-size: 13px; color: var(--navy-400); margin: 0 0 18px; }
.form-status { display: none; border-radius: 12px; padding: 16px 18px; font-size: 14.5px; font-weight: 600; margin-bottom: 20px; }
.form-status.error { display: block; background: #fef2f2; border: 1px solid #fecaca; color: var(--error); }
.form-status.success { display: block; background: var(--success-bg); border: 1px solid var(--success-line); color: var(--success-text); }
.next-panel { background: var(--navy-900); color: var(--navy-100); border-radius: var(--radius); padding: 28px; }
.next-panel h3 { color: #fff; }
.next-panel ol { margin: 16px 0 0; padding-left: 20px; }
.next-panel li { margin-bottom: 12px; font-size: 15px; }
.next-panel li::marker { color: var(--gold-400); font-weight: 800; }

/* CTA band */
.cta-band { background: var(--navy-950); color: #fff; text-align: center; }
.cta-band h2 { color: #fff; }
.cta-band p { color: var(--navy-200); max-width: 56ch; margin: 0 auto 8px; }

/* Footer */
.site-footer { background: var(--navy-950); color: var(--navy-300); font-size: 14px; padding: 48px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; margin-bottom: 32px; }
.site-footer h4 { color: #fff; font-size: 13px; text-transform: uppercase; letter-spacing: 0.1em; margin: 0 0 12px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: var(--navy-200); text-decoration: none; }
.site-footer a:hover { color: var(--gold-400); }
.footer-demo-note {
  border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px;
  font-size: 13px; color: var(--navy-400); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
}
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr; gap: 24px; } }

/* Reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .card:hover { transform: none; }
}