/* masters.md FIRST: Read masters.md BEFORE editing or adding files.
 * Standalone stylesheet for the TEMPORARY marketing site (masters-mba-site/).
 * Self-contained (no build step, no Tailwind) so the HTML can be uploaded as-is
 * to masters.mba. Colors mirror the "Modern Prestige" brand preset (black + gold,
 * gold-forward) from src/lib/brand.ts / docs/BRANDING.md — kept in sync by hand. */

:root {
  --background: #0b0b0e;
  --surface: #17171c;
  --surface-2: #1f1f26;
  --surface-3: #26262d;
  --border: #26262d;
  --border-strong: #3a3a42;
  --foreground: #f2f2f5;
  --muted: #9a9aa6;
  --muted-2: #6c6c78;
  --accent: #e7b53c;
  --accent-hover: #d6a52f;
  --accent-foreground: #0b0b0e;
  --gold: #e7b53c;
  --success: #34d399;
  --radius: 0.875rem;
  --radius-sm: 0.5rem;
  --radius-lg: 1.25rem;
  --shadow-soft: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.35);
  --maxw: 1120px;
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .brand-display {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  line-height: 1.1;
  font-weight: 700;
}

a { color: inherit; text-decoration: none; }

img { max-width: 100%; }

:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--background), 0 0 0 4px var(--accent);
  border-radius: var(--radius-sm);
}

/* Ambient premium gradient for hero sections. */
.bg-aurora {
  background-image:
    radial-gradient(60rem 60rem at 85% -10%, rgba(231,181,60,.10), transparent 60%),
    radial-gradient(40rem 40rem at -10% 110%, rgba(231,181,60,.07), transparent 60%);
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---- Header / nav ---------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(10px);
  background: rgba(11,11,14,.72);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--muted); font-size: .95rem; transition: color .15s; }
.nav-links a:hover, .nav-links a.active { color: var(--foreground); }

.logo { display: inline-flex; align-items: center; gap: 2px; font-family: var(--font-display); font-weight: 700; font-size: 1.4rem; }
.logo .mba {
  background: var(--gold); color: var(--accent-foreground);
  border-radius: 6px; padding: 1px 8px; font-size: 1.05rem; margin-left: 4px;
}

/* ---- Buttons --------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-sans); font-weight: 600; font-size: .95rem;
  padding: 12px 22px; border-radius: var(--radius-sm); cursor: pointer;
  border: 1px solid transparent; transition: background .15s, border-color .15s, transform .05s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--accent-foreground); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-outline { border-color: var(--border-strong); color: var(--foreground); }
.btn-outline:hover { border-color: var(--accent); }
.btn-ghost { color: var(--muted); }
.btn-ghost:hover { color: var(--foreground); }
.btn-sm { padding: 8px 16px; font-size: .9rem; }
.btn-lg { padding: 15px 30px; font-size: 1.02rem; }

/* ---- Generic sections ------------------------------------------------ */
.section { padding: 88px 0; }
.section-tight { padding: 56px 0; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--muted); font-size: .78rem; letter-spacing: .04em; text-transform: uppercase;
  padding: 6px 14px; border-radius: 999px;
}
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }

.lead { color: var(--muted); font-size: 1.12rem; max-width: 52ch; }

.gold { color: var(--gold); }

.section-head { max-width: 62ch; margin-bottom: 48px; }
.section-head h2 { font-size: clamp(1.9rem, 3.6vw, 2.6rem); margin: 14px 0 12px; }

/* ---- Cards ----------------------------------------------------------- */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-soft);
  transition: border-color .18s, transform .18s;
}
.card:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.card h3 { font-size: 1.18rem; margin: 0 0 8px; }
.card p { color: var(--muted); margin: 0; font-size: .96rem; }

.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---- Hero ------------------------------------------------------------ */
.hero { padding: 84px 0 72px; }
.hero h1 { font-size: clamp(2.4rem, 5.4vw, 4rem); margin: 22px 0 20px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; margin-top: 56px; }
.stat .num { font-family: var(--font-display); font-size: 2.4rem; color: var(--gold); font-weight: 700; }
.stat .lbl { color: var(--muted); font-size: .9rem; }

/* ---- Retention highlight -------------------------------------------- */
.figure-87 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(4rem, 12vw, 8rem); line-height: 1; color: var(--gold);
}

/* ---- Numbered / icon list ------------------------------------------- */
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 10px;
  background: rgba(231,181,60,.12); color: var(--gold);
  font-family: var(--font-display); font-weight: 700; margin-bottom: 16px;
}
.ico {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 12px;
  background: rgba(231,181,60,.10); font-size: 1.3rem; margin-bottom: 16px;
}

/* ---- CTA band -------------------------------------------------------- */
.cta-band {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 56px; text-align: center;
}
.cta-band h2 { font-size: clamp(1.8rem, 3.4vw, 2.4rem); margin: 0 0 14px; }
.cta-band p { color: var(--muted); max-width: 54ch; margin: 0 auto 28px; }

/* ---- Form ------------------------------------------------------------ */
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .9rem; color: var(--muted); margin-bottom: 7px; }
.field input, .field select, .field textarea {
  width: 100%; background: var(--surface-3); color: var(--foreground);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 12px 14px; font-family: var(--font-sans); font-size: .96rem;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); outline: none; }

/* ---- Footer ---------------------------------------------------------- */
.site-footer { border-top: 1px solid var(--border); padding: 48px 0 40px; color: var(--muted-2); }
.footer-grid { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; margin-bottom: 32px; }
.footer-grid a { color: var(--muted); display: block; margin: 8px 0; font-size: .92rem; }
.footer-grid a:hover { color: var(--foreground); }
.footer-col h4 { font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted-2); margin: 0 0 10px; }

.divider { height: 1px; background: var(--border); border: 0; margin: 0; }

/* ---- Responsive ------------------------------------------------------ */
@media (max-width: 860px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .hero-split { grid-template-columns: 1fr !important; }
  .nav-links { display: none; }
  .cta-band { padding: 40px 24px; }
}
@media (max-width: 560px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .hero-stats { gap: 26px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}