/* ============================================================
   VOLANCE — Editorial Luxe design system
   Dark cinematic base · champagne accent · serif + grotesque
   ============================================================ */

:root {
  --ink:        #0B0F14;   /* page base */
  --ink-2:      #0E141B;   /* alternate band */
  --panel:      #12171E;   /* raised surface */
  --panel-2:    #161C25;   /* hover / nested surface */
  --gold:       #C8A86B;   /* single accent — champagne */
  --gold-soft:  #DAC289;   /* lighter champagne */
  --cream:      #EDE7DC;   /* primary text */
  --mute:       #9AA0A8;   /* secondary text (cool gray) */
  --faint:      #6B7178;   /* tertiary text */
  --line:       rgba(237, 231, 220, 0.10);  /* hairline */
  --line-gold:  rgba(200, 168, 107, 0.22);
  --shadow:     0 24px 70px rgba(0,0,0,0.55), 0 6px 22px rgba(0,0,0,0.4);
  --shadow-gold:0 22px 60px rgba(200,168,107,0.10), 0 4px 18px rgba(0,0,0,0.5);
}

* { font-family: 'Space Grotesk', system-ui, sans-serif; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { background: var(--ink); color: var(--cream); overflow-x: hidden; }

.font-serif, .serif { font-family: 'Fraunces', Georgia, serif; }

::selection { background: rgba(200,168,107,0.28); color: #fff; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--ink); }
::-webkit-scrollbar-thumb { background: rgba(200,168,107,0.4); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold); }

/* ---- Film grain overlay (breaks digital flatness) ---- */
.grain {
  position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---- Scroll progress ---- */
#scroll-bar {
  position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 200;
  background: linear-gradient(90deg, var(--gold), var(--gold-soft));
  transform-origin: left; transform: scaleX(0); transition: transform .05s linear;
}

/* ---- Reveal on scroll ---- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .08s; }
.reveal-delay-2 { transition-delay: .16s; }
.reveal-delay-3 { transition-delay: .24s; }
.reveal-delay-4 { transition-delay: .32s; }

/* ---- Section label ( // membership ) ---- */
.kicker {
  display: inline-flex; align-items: center; gap: .7rem;
  font-size: .72rem; letter-spacing: .28em; text-transform: uppercase;
  color: var(--gold); font-weight: 500;
}
.kicker::before { content: ""; width: 30px; height: 1px; background: var(--gold); opacity: .7; }
.kicker--center::after { content: ""; width: 30px; height: 1px; background: var(--gold); opacity: .7; }

.eyebrow { font-size:.72rem; letter-spacing:.24em; text-transform:uppercase; color:var(--faint); font-weight:500; }

/* ---- Navigation ---- */
#siteNav { transition: background .35s ease, border-color .35s ease, backdrop-filter .35s ease; border-bottom: 1px solid transparent; }
#siteNav.scrolled {
  background: rgba(11,15,20,0.82);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.navlink { color: var(--mute); position: relative; transition: color .25s ease; }
.navlink::after { content:""; position:absolute; left:0; bottom:-6px; height:1px; width:0; background:var(--gold); transition: width .3s ease; }
.navlink:hover { color: var(--cream); }
.navlink:hover::after { width: 100%; }
.brand { letter-spacing: .01em; }

/* ---- Buttons ---- */
.btn-gold {
  display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
  padding:.78rem 1.5rem; border-radius:999px;
  background: linear-gradient(180deg, var(--gold-soft), var(--gold));
  color:#1a140a; font-weight:600; font-size:.875rem; letter-spacing:.01em;
  border:1px solid rgba(255,255,255,.15);
  box-shadow: 0 10px 30px rgba(200,168,107,.18);
  transition: transform .2s ease, box-shadow .25s ease, filter .25s ease;
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(200,168,107,.28); filter:brightness(1.05); }
.btn-gold:active { transform: translateY(0) scale(.98); }

.btn-ghost {
  display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
  padding:.78rem 1.5rem; border-radius:999px;
  background: rgba(237,231,220,.03); color:var(--cream); font-weight:500; font-size:.875rem;
  border:1px solid var(--line); transition: border-color .25s ease, background .25s ease, transform .2s ease;
}
.btn-ghost:hover { border-color: var(--line-gold); background: rgba(200,168,107,.06); transform: translateY(-2px); }
.btn-ghost:active { transform: translateY(0) scale(.98); }

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 4px;
}

/* ---- Luxe card (panel + hairline + tinted shadow + cursor spotlight) ---- */
.lux-card {
  position: relative; background: var(--panel); border: 1px solid var(--line);
  border-radius: 18px; transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease, background .35s ease;
  overflow: hidden;
}
.lux-card::before {
  content:""; position:absolute; inset:0; border-radius:inherit; opacity:0; transition:opacity .35s ease;
  background: radial-gradient(420px circle at var(--mx,50%) var(--my,0%), rgba(200,168,107,.10), transparent 60%);
  pointer-events:none;
}
.lux-card:hover { transform: translateY(-5px); border-color: var(--line-gold); box-shadow: var(--shadow-gold); background: var(--panel-2); }
.lux-card:hover::before { opacity: 1; }

/* hairline divider */
.hr-line { height:1px; width:100%; background: linear-gradient(90deg, var(--line-gold), transparent); }

/* ---- Stats / numerals ---- */
.stat-num { font-variant-numeric: tabular-nums; font-family:'Fraunces',serif; }
.num-serif { font-family:'Fraunces',serif; font-variant-numeric: tabular-nums; }

/* ---- Timeline ---- */
.tl-node { box-shadow: 0 0 0 4px var(--ink), 0 0 18px rgba(200,168,107,.5); }

/* ---- Fleet imagery ---- */
.fleet-card .fleet-img { transition: transform .6s cubic-bezier(.2,.7,.2,1); filter: saturate(.85) brightness(.9); }
.fleet-card:hover .fleet-img { transform: scale(1.06); filter: saturate(1) brightness(1); }

/* ---- FAQ accordion ---- */
.faq-body { max-height: 0; overflow: hidden; opacity: 0; transition: max-height .45s ease, opacity .35s ease; }
.faq-body.open { max-height: 460px; opacity: 1; }
.faq-icon { transition: transform .35s ease; }
.faq-icon.open { transform: rotate(45deg); color: var(--gold); }

/* ---- Pricing emphasis ---- */
.tier-featured { background: linear-gradient(180deg, #181F29, #12171E); border-color: var(--line-gold); }
.tier-tag { background: linear-gradient(180deg, var(--gold-soft), var(--gold)); color:#1a140a; }

/* ---- Forms ---- */
.field {
  width:100%; padding:.85rem 1.1rem; border-radius:12px;
  background: rgba(237,231,220,.04); border:1px solid var(--line); color:var(--cream); font-size:.9rem;
  transition: border-color .25s ease, background .25s ease;
}
.field::placeholder { color: var(--faint); }
.field:focus { outline:none; border-color: var(--line-gold); background: rgba(200,168,107,.05); }
select.field option { background:#12171E; color:var(--cream); }

/* ---- Underline link ---- */
.ul-link { color: var(--gold); position:relative; }
.ul-link::after { content:""; position:absolute; left:0; bottom:-2px; height:1px; width:100%; background:var(--gold); transform:scaleX(0); transform-origin:left; transition:transform .3s ease; }
.ul-link:hover::after { transform:scaleX(1); }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
  * { transition: none !important; scroll-behavior: auto !important; }
}
