/* =============================================
   Aviators Ball — Virtual Booth Theme (Breitling-inspired)
   Font: Raleway
   Colourway: Deep Navy + White with Gold Accents
   Author: ChatGPT
   ============================================= */

/* Google Font */
@import url('https://fonts.googleapis.com/css2?family=Raleway:wght@400;500;600;700;800&display=swap');

:root {
  /* Core Colours (sampled from logo) */
  --navy-900: #0b1220;   /* deep hero background */
  --navy-800: #0f1b2a;   /* secondary background */
  --navy-700: #131f31;   /* panels / cards */
  --white:    #ffffff;   /* primary text */
  --muted:    #C9D3DF;   /* secondary text */
  --line:     rgba(255,255,255,0.12);

  /* Gold gradient (logo ribbons) */
  --gold-100: #F2C47A;
  --gold-200: #E9B668;
  --gold-300: #D7A458;
  --gold-400: #C59045;
  --gold-500: #B37E3B;

  /* Effects */
  --shadow: 0 12px 32px rgba(0,0,0,.5);
  --radius: 16px;
  --radius-lg: 22px;
  --transition: 220ms cubic-bezier(.2,.8,.2,1);
}

/* Background with subtle metallic ribbons */
html, body {
  height: 100%;
  margin: 0;
  background:
    radial-gradient(900px 500px at 80% -10%, rgba(242,196,122,0.10), transparent 60%),
    radial-gradient(700px 420px at -15% 110%, rgba(179,126,59,0.10), transparent 55%),
    linear-gradient(120deg, rgba(242,196,122,.06), rgba(11,18,32,0) 20%),
    var(--navy-900);
  color: var(--white);
  font-family: 'Raleway', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1,h2,h3 { margin: 0 0 8px; line-height: 1.15; }
h1 { font-weight: 800; letter-spacing: .02em; font-size: clamp(2rem, 4.5vw, 3.2rem); }
h2 { font-weight: 700; letter-spacing: .02em; font-size: clamp(1.4rem, 2.8vw, 2rem); }
p  { color: var(--muted); font-weight: 500; }

/* Gold utilities */
.gold {
  color: var(--gold-100);
}
.gold-gradient {
  background: linear-gradient(180deg, var(--gold-100), var(--gold-300) 55%, var(--gold-500));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.gold-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-300), transparent);
  border: 0;
}

/* Layout */
.container { width: min(1200px, 92vw); margin: 0 auto; padding: clamp(16px, 2vw, 32px); }
.section { padding: clamp(24px, 5vw, 64px) 0; }

/* Header */
.header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(6px);
  background: linear-gradient(180deg, rgba(11,18,32,.85), rgba(11,18,32,.55));
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 0;
}
.brand {
  display: inline-flex; gap: 12px; align-items: center;
  font-weight: 800; letter-spacing: .06em;
}
.brand img { height: 38px; filter: brightness(0) invert(1); }

/* Hero Card */
.hero {
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(255,255,255,.02), rgba(255,255,255,.00));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.hero__inner {
  display: grid; gap: clamp(18px, 3vw, 36px);
  grid-template-columns: 1.3fr 1fr;
  padding: clamp(18px, 3vw, 36px);
}
@media (max-width: 1000px) { .hero__inner { grid-template-columns: 1fr; } }

.stage {
  aspect-ratio: 16/9;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: radial-gradient(1200px 520px at 40% -20%, rgba(242,196,122,0.10), transparent 55%),
              var(--navy-800);
  display: grid; place-items: center;
  position: relative; overflow: hidden;
}
.stage::before {
  content: ""; position: absolute; inset: -20%;
  background: conic-gradient(from 220deg, rgba(242,196,122,0.06), rgba(179,126,59,0.06), transparent, transparent);
  filter: blur(40px); pointer-events: none;
}

/* Cards & Panels */
.card, .panel {
  border: 1px solid var(--line);
  background: var(--navy-700);
  border-radius: var(--radius);
  padding: clamp(14px, 2vw, 18px);
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}
.card:hover, .panel:hover {
  transform: translateY(-2px);
  border-color: rgba(255,255,255,0.22);
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.00));
}

/* Controls */
.label { display:block; font-size:.92rem; color: var(--muted); margin: 0 0 6px; }
.input, .select, .textarea {
  width: 100%; padding: 12px 14px; border-radius: 12px;
  background: #0e1827; color: var(--white); border: 1px solid var(--line);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.input:focus, .select:focus, .textarea:focus {
  border-color: var(--gold-200);
  box-shadow: 0 0 0 3px rgba(242,196,122,0.22);
}

/* Buttons */
.btn {
  appearance: none; cursor: pointer;
  padding: 12px 18px; border-radius: 999px; font-weight: 700; letter-spacing: .06em;
  color: var(--white); background: transparent; border: 1px solid var(--line);
  transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.btn:hover { transform: translateY(-1px); border-color: rgba(255,255,255,.28); background: rgba(255,255,255,.05); }
.btn:active { transform: translateY(0); }

.btn--gold {
  background: linear-gradient(180deg, var(--gold-100), var(--gold-300) 55%, var(--gold-500));
  border: none; color: #0b0f14;
  box-shadow: 0 10px 24px rgba(242,196,122, .25), inset 0 0 0 1px rgba(255,255,255,.22);
}
.btn--gold:hover { box-shadow: 0 12px 28px rgba(242,196,122, .32), inset 0 0 0 1px rgba(255,255,255,.28); }
.btn--ghost { background: transparent; border-color: rgba(255,255,255,.24); }

/* Chips for aircraft selection */
.chips { display:flex; flex-wrap:wrap; gap:10px; }
.chip {
  border: 1px solid var(--line); border-radius: 999px;
  padding: 8px 12px; background: rgba(255,255,255,.04); color: var(--white);
  font-weight: 600; letter-spacing: .04em;
}
.chip--gold { background: linear-gradient(180deg, rgba(242,196,122,.14), rgba(179,126,59,.08)); border-color: rgba(242,196,122,.35); }

/* Gallery */
.gallery {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px,1fr)); gap: 12px;
}
.thumb {
  aspect-ratio: 4/5; border-radius: 14px; overflow: hidden;
  border: 1px solid var(--line); background: #0f1a29; position: relative;
}
.thumb__badge {
  position: absolute; left: 10px; bottom: 10px;
  padding: 6px 10px; border-radius: 999px;
  background: rgba(0,0,0,.45); border: 1px solid rgba(255,255,255,.22);
  font-size: .8rem; letter-spacing: .06em;
}

/* Animations */
.fade-in { animation: fadeIn 700ms ease forwards; }
@keyframes fadeIn { from {opacity:0; transform: translateY(10px);} to {opacity:1; transform:none;} }

.shimmer { position: relative; overflow: hidden; }
.shimmer::after {
  content: ''; position: absolute; inset: 0; transform: translateX(-100%);
  background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,.12) 50%, transparent 100%);
  animation: shimmer 2.8s linear infinite;
}
@keyframes shimmer { to { transform: translateX(100%); } }

/* Footer */
.footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  padding: 18px 0 32px;
  margin-top: 24px;
  font-size: .95rem;
}

/* Accessibility */
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
}