/* ==========================================================================
   Build League — Design System
   Motif: engineering / technical drawing — drafting paper, thin navy
   linework, dimension marks, mono annotation labels.
   ========================================================================== */

:root {
  --color-navy-950: #0c2338;
  --color-navy-900: #14344f;
  --color-navy-800: #1c4568;
  --color-navy-700: #2a5d86;
  --color-navy-600: #3d7aa8;
  --color-blue-line: #4a7fa7;
  --color-cream-0: #fbfaf5;
  --color-cream-100: #f6f3ea;
  --color-cream-200: #ece6d6;
  --color-orange-600: #d9622a;
  --color-orange-700: #b94f1f;
  --color-ink: #1a2530;
  --color-ink-muted: #4d5b68;
  --color-success: #2f7a4f;
  --color-text-heading: var(--color-cream-0);
  --color-text-body: #c3d2df;

  --font-heading: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --space-8: 96px;

  --radius-sm: 2px;
  --radius-md: 4px;
  --max-width: 1180px;
  --border-thin: 1.5px solid var(--color-blue-line);
  --shadow-card: 0 2px 0 rgba(12, 35, 56, 0.08), 0 8px 24px rgba(12, 35, 56, 0.08);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-body);
  background: var(--color-navy-950);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 48px 48px;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--font-heading); text-transform: uppercase; letter-spacing: 0.02em; color: var(--color-text-heading); margin: 0 0 var(--space-3); line-height: 1.15; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); }
p { margin: 0 0 var(--space-3); color: var(--color-text-body); max-width: 62ch; }

/* Light "paper" surfaces (cards, photo frames, callouts) keep dark ink
   text regardless of the page-level theme. */
.card h3, .card h4, .ep-body h3 { color: var(--color-navy-950); }
.card p, .callout p { color: var(--color-ink-muted); }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-4); }
section { padding: var(--space-7) 0; position: relative; }
ul { padding-left: 1.2em; color: var(--color-ink-muted); }

/* ---------- Focus & a11y ---------- */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--color-orange-600);
  outline-offset: 2px;
}
.skip-link {
  position: absolute; left: -9999px; top: 0; background: var(--color-navy-950); color: #fff;
  padding: var(--space-2) var(--space-3); z-index: 200; font-family: var(--font-mono);
}
.skip-link:focus { left: var(--space-3); top: var(--space-3); }

/* ---------- Technical annotation label (drafting callout) ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-navy-700);
  margin-bottom: var(--space-2);
}
.eyebrow::before { content: '+'; color: var(--color-orange-600); font-weight: 700; }

/* ---------- Corner-bracket frame (blueprint registration marks) ---------- */
.frame {
  position: relative;
  border: var(--border-thin);
  background: var(--color-cream-0);
}
.frame::before, .frame::after,
.frame > .corner-tl, .frame > .corner-br { content: ''; position: absolute; width: 14px; height: 14px; pointer-events: none; }
.frame::before { top: -6px; left: -6px; border-top: 2px solid var(--color-orange-600); border-left: 2px solid var(--color-orange-600); }
.frame::after { bottom: -6px; right: -6px; border-bottom: 2px solid var(--color-orange-600); border-right: 2px solid var(--color-orange-600); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.95rem;
  padding: 14px 28px;
  min-height: 48px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 150ms ease, box-shadow 150ms ease, background-color 150ms ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--color-orange-600); color: #fff; border-color: var(--color-orange-600); }
.btn-primary:hover { background: var(--color-orange-700); border-color: var(--color-orange-700); }
.btn-outline { background: transparent; color: var(--color-navy-950); border-color: var(--color-navy-950); }
.btn-outline:hover { background: var(--color-navy-950); color: #fff; }
.btn-outline-light { background: transparent; color: #fff; border-color: #fff; }
.btn-outline-light:hover { background: #fff; color: var(--color-navy-950); }
.btn-light { background: var(--color-cream-0); color: var(--color-navy-950); border-color: var(--color-cream-0); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(251, 250, 245, 0.94);
  backdrop-filter: blur(6px);
  border-bottom: var(--border-thin);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  max-width: var(--max-width); margin: 0 auto;
}
.nav-logo { height: 40px; width: auto; }
.nav-logo-link { display: flex; align-items: center; }
.nav-links {
  display: flex; align-items: center; gap: var(--space-5);
  list-style: none; margin: 0; padding: 0;
  font-family: var(--font-heading); text-transform: uppercase; letter-spacing: 0.03em; font-size: 0.92rem;
}
.nav-links a { text-decoration: none; padding: var(--space-2) 0; border-bottom: 2px solid transparent; color: var(--color-navy-950); }
.nav-links a:hover, .nav-links a[aria-current="page"] { border-bottom-color: var(--color-orange-600); }
.nav-toggle {
  display: none; background: none; border: 2px solid var(--color-navy-950); border-radius: var(--radius-sm);
  width: 44px; height: 44px; align-items: center; justify-content: center; cursor: pointer;
}
.nav-toggle .bar { display: block; width: 20px; height: 2px; background: var(--color-navy-950); position: relative; }
.nav-toggle .bar::before, .nav-toggle .bar::after { content: ''; position: absolute; left: 0; width: 20px; height: 2px; background: var(--color-navy-950); }
.nav-toggle .bar::before { top: -6px; }
.nav-toggle .bar::after { top: 6px; }

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: fixed; inset: 73px 0 0 0; background: var(--color-cream-0);
    flex-direction: column; align-items: flex-start; gap: 0;
    padding: var(--space-4); font-size: 1.4rem;
    transform: translateX(100%); transition: transform 220ms ease;
    overflow-y: auto;
  }
  .nav-links.is-open { transform: translateX(0); }
  .nav-links li { width: 100%; border-bottom: 1px solid var(--color-cream-200); }
  .nav-links a { display: block; padding: var(--space-3) 0; }
}

/* ---------- Hero (full-bleed media, overlaid title) ---------- */
/* .hero-bg holds either an <img> or, later, a <video> — both are styled
   identically via object-fit so the video can drop in without CSS changes. */
.hero-full {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; background: var(--color-navy-950); }
.hero-bg img, .hero-bg video { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(12,35,56,0.15) 0%, rgba(12,35,56,0.55) 60%, rgba(12,35,56,0.92) 100%);
}
.hero-fg { position: relative; z-index: 1; width: 100%; padding: var(--space-7) 0 var(--space-6); }
.hero-title {
  font-family: var(--font-heading); text-transform: uppercase; letter-spacing: 0.02em;
  color: #fff; font-size: clamp(3rem, 11vw, 7rem); margin: 0 0 var(--space-2); line-height: 0.95;
}
.hero-tagline { color: #e7edf2; font-size: clamp(1.05rem, 2.4vw, 1.5rem); max-width: 46ch; margin: 0 0 var(--space-4); }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-4); }
@media (max-width: 600px) { .hero-full { min-height: 82vh; } }

/* ---------- Sections / cards ---------- */
.section-navy { background: var(--color-navy-900); color: var(--color-cream-0); }
.section-navy h2, .section-navy h3 { color: var(--color-cream-0); }
.section-navy p { color: #c3d2df; }
.section-navy .eyebrow { color: #9fc1dd; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-5); align-items: start; }
.grid-2 > * { min-width: 0; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
@media (max-width: 900px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

.card {
  background: var(--color-cream-0);
  border: var(--border-thin);
  padding: var(--space-4);
  box-shadow: var(--shadow-card);
}

/* ---------- Gallery ---------- */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
@media (max-width: 960px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .gallery-grid { grid-template-columns: 1fr; } }

.ep-card {
  position: relative;
  text-decoration: none;
  color: var(--color-ink);
  display: block;
  background: var(--color-cream-0);
  border: var(--border-thin);
  overflow: hidden;
  transition: transform 180ms ease, box-shadow 180ms ease;
}
.ep-card:hover, .ep-card:focus-visible { transform: translateY(-3px); box-shadow: var(--shadow-card); }
.ep-thumb-wrap { position: relative; aspect-ratio: 4 / 3; overflow: hidden; border-bottom: var(--border-thin); }
.ep-thumb-wrap img { width: 100%; height: 100%; object-fit: cover; }
.ep-tag {
  position: absolute; top: var(--space-2); left: var(--space-2);
  background: var(--color-navy-950); color: var(--color-cream-0);
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.06em;
  padding: 3px 8px; border-radius: var(--radius-sm);
}
.ep-body { padding: var(--space-3); }
.ep-body h3 { margin-bottom: var(--space-1); font-size: 1.05rem; }
.ep-link-hint { font-family: var(--font-mono); font-size: 0.75rem; color: var(--color-navy-700); text-transform: uppercase; letter-spacing: 0.06em; }

/* ---------- Forms ---------- */
.form-field { margin-bottom: var(--space-4); }
.form-field label { display: block; font-family: var(--font-mono); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-navy-900); margin-bottom: var(--space-2); }
.form-field input, .form-field textarea, .form-field select {
  width: 100%; font-family: var(--font-body); font-size: 1rem;
  padding: 12px 14px; border: var(--border-thin); border-radius: var(--radius-sm);
  background: var(--color-cream-0); color: var(--color-ink); min-height: 48px;
}
.form-field textarea { min-height: 120px; resize: vertical; }
.form-hint { font-size: 0.85rem; color: var(--color-ink-muted); margin-top: var(--space-1); }
.form-required { color: var(--color-orange-600); }

/* Compact form variant — tighter spacing for pages with several stacked forms */
.form-compact.card { padding: var(--space-3); }
.form-compact .form-field { margin-bottom: var(--space-2); }
.form-compact .form-field input,
.form-compact .form-field textarea { padding: 9px 12px; min-height: 40px; }
.form-compact .form-field textarea { min-height: 80px; }
.form-compact .btn { padding: 10px 22px; min-height: 40px; }

/* Checkbox acknowledgment field */
.form-checkbox label {
  display: flex; align-items: flex-start; gap: var(--space-2);
  font-family: var(--font-body); text-transform: none; letter-spacing: normal;
  font-size: 0.9rem; color: var(--color-ink-muted); cursor: pointer;
}
.form-checkbox input[type="checkbox"] { width: 18px; height: 18px; min-height: 0; flex-shrink: 0; margin: 2px 0 0 0; accent-color: var(--color-orange-600); }

/* Slot availability status */
.slot-status { display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap; }
.slot-status .dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; background: var(--color-success); }
.slot-status.is-low .dot { background: var(--color-orange-600); }
.slot-status.is-full .dot { background: var(--color-ink-muted); }

/* ---------- Callout / notice ---------- */
.callout {
  border-left: 4px solid var(--color-orange-600);
  background: var(--color-cream-100);
  padding: var(--space-4);
}
.callout.callout-success { border-left-color: var(--color-success); }
.callout.callout-success,
.callout.callout-success p { color: var(--color-navy-950); font-weight: 600; }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-navy-950); color: #c3d2df; padding: var(--space-6) 0 var(--space-4); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--space-5); }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h4 { color: var(--color-cream-0); font-size: 1rem; }
.site-footer a { text-decoration: none; color: #c3d2df; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.site-footer ul { list-style: none; padding: 0; }
.site-footer li { margin-bottom: var(--space-2); }
.footer-bottom { border-top: 1px solid #22405c; margin-top: var(--space-5); padding-top: var(--space-4); font-family: var(--font-mono); font-size: 0.78rem; color: #7d97ab; display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-2); }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.stack-gap { display: flex; flex-direction: column; gap: var(--space-3); }
.map-frame { border: var(--border-thin); width: 100%; aspect-ratio: 16/9; }
.map-frame iframe { width: 100%; height: 100%; border: 0; }
.person-photo-fallback {
  aspect-ratio: 1; background: var(--color-navy-900); color: var(--color-cream-0);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-heading); font-size: 2.5rem; text-transform: uppercase;
}
.badge-pill {
  display: inline-block; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.06em;
  text-transform: uppercase; background: var(--color-cream-100); border: 1px solid var(--color-navy-700);
  color: var(--color-navy-900); padding: 3px 10px; border-radius: 100px; margin: 0 6px 6px 0;
}