/* ============================================================
   NOCTURNE — stylesheet
   Asset paths are relative to this file (css/), so images live
   one level up under ../assets/img/
   ============================================================ */

:root{
  --bg:#080b12;
  --bg-2:#0d1420;
  --ink:#eef2f8;
  --muted:#9aa7bd;
  --line:rgba(255,255,255,.10);
  --gold:#c8a86b;
  --gold-soft:#e6d3a8;
  --serif:'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --sans:'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --wrap:1200px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:clip;
}
img,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}

/* ---------- Typography helpers ---------- */
.eyebrow{
  font-size:.72rem;letter-spacing:.42em;text-transform:uppercase;
  color:var(--gold);font-weight:500;
}
.display{
  font-family:var(--serif);font-weight:500;line-height:1.02;
  letter-spacing:.005em;
}

/* ---------- Nav ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  transition:background .4s ease, backdrop-filter .4s ease, border-color .4s ease;
  border-bottom:1px solid transparent;
}
header.scrolled{
  background:rgba(8,11,18,.72);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
nav{display:flex;align-items:center;justify-content:space-between;height:78px}
.brand{
  font-family:var(--serif);font-size:1.55rem;font-weight:600;
  letter-spacing:.22em;text-transform:uppercase;
}
.brand span{color:var(--gold)}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{
  font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);font-weight:400;transition:color .25s;
}
.nav-links a:hover{color:var(--ink)}
.btn{
  display:inline-block;font-size:.78rem;letter-spacing:.16em;
  text-transform:uppercase;font-weight:500;
  padding:13px 26px;border:1px solid var(--gold);color:var(--gold-soft);
  border-radius:2px;transition:all .3s ease;background:transparent;cursor:pointer;
}
.btn:hover{background:var(--gold);color:#12100a;border-color:var(--gold)}
.btn-solid{background:var(--gold);color:#12100a}
.btn-solid:hover{background:var(--gold-soft);border-color:var(--gold-soft)}
.menu-toggle{display:none;background:none;border:0;color:var(--ink);cursor:pointer;padding:8px}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:.3s}

/* ---------- Scroll-scrubbed video hero ---------- */
.scroll-hero{position:relative;height:360vh}
.sticky-stage{position:sticky;top:0;height:100vh;overflow:hidden;background:#05070c}
.stage-fallback{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.stage-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;display:block}
.stage-veil{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(to top, rgba(8,11,18,.94) 0%, rgba(8,11,18,.22) 44%, rgba(8,11,18,.5) 100%);
}
.cap-layer{
  position:absolute;left:0;right:0;bottom:0;z-index:2;padding-bottom:12vh;
  opacity:0;transform:translateY(28px);transition:opacity .8s ease, transform .8s ease;pointer-events:none;
}
.cap-layer.on{opacity:1;transform:none;pointer-events:auto}
.cap-layer .eyebrow{display:block;margin-bottom:.9em}
.cap-layer h1{font-size:clamp(3rem,9vw,7.2rem);margin:.05em 0 .35em;max-width:16ch}
.cap-layer h2.big-line{font-size:clamp(2.3rem,6.6vw,5.2rem);max-width:19ch;line-height:1.06;margin-bottom:.3em}
.cap-layer p.lead{font-size:clamp(1rem,1.5vw,1.22rem);color:var(--muted);max-width:46ch;font-weight:300}
.hero-cta{display:flex;gap:16px;margin-top:36px;flex-wrap:wrap}
/* progress rail */
.scrub-rail{
  position:absolute;right:26px;top:50%;transform:translateY(-50%);z-index:3;
  width:2px;height:130px;background:rgba(255,255,255,.14);border-radius:2px;overflow:hidden;
}
.scrub-rail i{position:absolute;left:0;top:0;width:100%;height:0%;background:var(--gold);border-radius:2px;transition:height .1s linear}
.scroll-hint{
  position:absolute;bottom:28px;left:50%;transform:translateX(-50%);z-index:3;
  font-size:.68rem;letter-spacing:.3em;text-transform:uppercase;color:var(--muted);
  display:flex;flex-direction:column;align-items:center;gap:10px;opacity:.8;transition:opacity .5s ease;
}
.scroll-hint i{width:1px;height:46px;background:linear-gradient(var(--gold),transparent);animation:pulse 2s ease infinite}
/* no-JS fallback: only the first caption shows */
html:not(.js) .cap-layer{display:none}
html:not(.js) .cap-layer:first-child{display:block;opacity:1;transform:none;position:relative;padding-top:120px}
html:not(.js) .scrub-rail,html:not(.js) .scroll-hint{display:none}

@keyframes rise{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulse{0%,100%{opacity:.3;transform:scaleY(.6)}50%{opacity:1;transform:scaleY(1)}}

/* ---------- Section base ---------- */
section{position:relative}
.pad{padding:120px 0}
.center{text-align:center}
.section-head{max-width:640px;margin:0 auto 64px}
.section-head.center{text-align:center}
h2.display{font-size:clamp(2.1rem,4.6vw,3.6rem);margin:.2em 0 .4em}
.muted{color:var(--muted);font-weight:300}

/* reveal — progressive enhancement: hidden only when JS is active */
.js .reveal{opacity:0;transform:translateY(34px);transition:opacity 1s ease, transform 1s ease}
.js .reveal.in{opacity:1;transform:none}

/* ---------- Manifesto (clouds bg) ---------- */
.manifesto{
  background:linear-gradient(rgba(8,11,18,.62),rgba(8,11,18,.82)),
             url("../assets/img/storm-clouds.jpg") center/cover fixed no-repeat;
  text-align:center;
}
.manifesto .wrap{max-width:820px}
.manifesto .big{
  font-family:var(--serif);font-weight:400;font-style:italic;
  font-size:clamp(1.6rem,3.6vw,2.9rem);line-height:1.35;
}
.manifesto .big em{color:var(--gold-soft);font-style:italic}

/* ---------- Feature split (Paris) ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:0;align-items:stretch}
.split .media{position:relative;min-height:560px;overflow:hidden}
.split .media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.split .media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 60%,rgba(8,11,18,.4))}
.split .body{background:var(--bg-2);padding:clamp(48px,7vw,96px);display:flex;flex-direction:column;justify-content:center}
.split .body h2{font-size:clamp(2rem,3.8vw,3.2rem)}
.split .tag{font-size:.72rem;letter-spacing:.34em;text-transform:uppercase;color:var(--gold);margin-bottom:6px}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat{padding:52px 20px;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat .num{font-family:var(--serif);font-size:clamp(2.6rem,5vw,3.8rem);color:var(--gold-soft);line-height:1}
.stat .lbl{font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-top:12px}

/* ---------- Destinations grid ---------- */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{position:relative;overflow:hidden;border-radius:3px;aspect-ratio:3/4;cursor:pointer}
.card img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s cubic-bezier(.2,.7,.2,1)}
.card:hover img{transform:scale(1.08)}
.card::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(8,11,18,.9),transparent 55%)}
.card .cap{position:absolute;left:24px;bottom:24px;z-index:2}
.card .cap .city{font-family:var(--serif);font-size:1.7rem;line-height:1.1}
.card .cap .meta{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);margin-top:4px}

/* ---------- Steps (how it works) ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:44px}
.step .n{font-family:var(--serif);font-size:2.4rem;color:var(--gold);opacity:.55}
.step h3{font-family:var(--serif);font-size:1.5rem;font-weight:500;margin:6px 0 10px}
.step p{color:var(--muted);font-weight:300;font-size:.96rem}
.step{padding-top:26px;border-top:1px solid var(--line)}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(rgba(8,11,18,.55),rgba(8,11,18,.8)),url("../assets/img/airplane-window.jpg") center 30%/cover no-repeat;
  text-align:center;
}
.cta-band h2{font-size:clamp(2.2rem,5vw,4rem);max-width:20ch;margin:0 auto .4em}

/* ---------- Footer ---------- */
footer{background:#05070c;border-top:1px solid var(--line);padding:72px 0 40px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;margin-bottom:52px}
footer .brand{margin-bottom:16px;display:inline-block}
footer p.small{color:var(--muted);font-weight:300;font-size:.92rem;max-width:34ch}
.foot-col h4{font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ink);margin-bottom:18px}
.foot-col a{display:block;color:var(--muted);font-size:.9rem;padding:6px 0;transition:color .25s}
.foot-col a:hover{color:var(--gold-soft)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:26px;gap:16px;flex-wrap:wrap}
.foot-bottom p{font-size:.8rem;color:var(--muted);letter-spacing:.04em}

/* ---------- Feature split — reversed (Cabin / Onboard) ---------- */
.split.reverse{grid-template-columns:1fr 1.05fr}
.split.reverse .body{order:1}
.split.reverse .media{order:2}
.split.reverse .media::after{background:linear-gradient(270deg,transparent 60%,rgba(8,11,18,.4))}
.feature-list{display:flex;flex-direction:column;gap:22px;margin-top:4px}
.feature-item{padding-top:20px;border-top:1px solid var(--line)}
.feature-item h3{font-family:var(--serif);font-size:1.32rem;font-weight:500;margin-bottom:6px}
.feature-item p{color:var(--muted);font-weight:300;font-size:.95rem;margin:0}

/* ---------- Press / voices ---------- */
.press-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote{
  position:relative;background:var(--bg-2);border:1px solid var(--line);
  border-radius:4px;padding:40px 34px 34px;display:flex;flex-direction:column;
}
.quote::before{
  content:"\201C";position:absolute;top:6px;left:26px;
  font-family:var(--serif);font-size:4.4rem;line-height:1;color:var(--gold);opacity:.28;
}
.quote blockquote{
  font-family:var(--serif);font-style:italic;font-weight:400;
  font-size:1.28rem;line-height:1.42;color:var(--ink);margin:24px 0 26px;flex:1;
}
.quote figcaption{display:flex;flex-direction:column;gap:3px;border-top:1px solid var(--line);padding-top:18px}
.quote .who{font-size:.9rem;letter-spacing:.04em;color:var(--gold-soft);font-weight:500}
.quote .src{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}

/* ---------- Membership tiers ---------- */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.tier{
  position:relative;background:var(--bg-2);border:1px solid var(--line);
  border-radius:5px;padding:46px 34px;display:flex;flex-direction:column;
  transition:border-color .35s ease, transform .35s ease;
}
.tier:hover{border-color:rgba(200,168,107,.5)}
.tier.featured{
  border-color:var(--gold);transform:translateY(-12px);
  background:linear-gradient(rgba(200,168,107,.06),rgba(200,168,107,.015)),var(--bg-2);
  box-shadow:0 26px 70px -34px rgba(200,168,107,.55);
}
.tier.featured:hover{border-color:var(--gold-soft)}
.tier-badge{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--gold);color:#12100a;white-space:nowrap;
  font-size:.62rem;letter-spacing:.24em;text-transform:uppercase;font-weight:600;
  padding:7px 16px;border-radius:2px;
}
.tier-name{font-family:var(--serif);font-size:1.9rem;font-weight:500;line-height:1.1}
.tier-price{
  font-family:var(--serif);font-size:1.55rem;color:var(--gold-soft);
  margin:12px 0 26px;padding-bottom:26px;border-bottom:1px solid var(--line);
}
.tier-price span{
  display:block;font-family:var(--sans);font-size:.72rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--muted);margin-top:6px;
}
.tier-feats{list-style:none;margin:0 0 34px;flex:1}
.tier-feats li{
  position:relative;padding:12px 0 12px 28px;color:var(--muted);
  font-weight:300;font-size:.95rem;border-bottom:1px solid rgba(255,255,255,.05);
}
.tier-feats li:last-child{border-bottom:0}
.tier-feats li::before{
  content:"";position:absolute;left:3px;top:16px;
  width:5px;height:9px;border:solid var(--gold);border-width:0 1.6px 1.6px 0;transform:rotate(45deg);
}
.tier .btn{display:block;text-align:center}

/* stagger the reveal of grouped cards */
.js .tiers .tier:nth-child(2),.js .press-row .quote:nth-child(2){transition-delay:.09s}
.js .tiers .tier:nth-child(3),.js .press-row .quote:nth-child(3){transition-delay:.18s}

/* ---------- Back to top ---------- */
.back-to-top{
  position:fixed;right:24px;bottom:24px;z-index:70;
  width:50px;height:50px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(8,11,18,.72);backdrop-filter:blur(10px);
  border:1px solid var(--gold);color:var(--gold-soft);cursor:pointer;
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity .4s ease, transform .4s ease, background .3s ease, color .3s ease;
}
.back-to-top.show{opacity:1;transform:none;pointer-events:auto}
.back-to-top:hover{background:var(--gold);color:#12100a}
.back-to-top:focus-visible{outline:2px solid var(--gold-soft);outline-offset:3px}
.back-to-top svg{display:block}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .nav-links{
    position:fixed;inset:78px 0 auto 0;background:rgba(8,11,18,.97);backdrop-filter:blur(16px);
    flex-direction:column;gap:0;padding:18px 28px 30px;border-bottom:1px solid var(--line);
    transform:translateY(-120%);transition:transform .4s ease;
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:14px 0;width:100%;border-bottom:1px solid var(--line)}
  .nav-links .btn{margin-top:14px;text-align:center}
  .menu-toggle{display:block}
  .split{grid-template-columns:1fr}
  .split .media{min-height:380px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:28px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .manifesto{background-attachment:scroll}
  .cta-band{background-attachment:scroll}
  .pad{padding:88px 0}
  /* new sections stack */
  .split.reverse .body,.split.reverse .media{order:0}
  .press-row{grid-template-columns:1fr;gap:18px;max-width:540px;margin:0 auto}
  .tiers{grid-template-columns:1fr;gap:22px;max-width:460px;margin:0 auto}
  .tier.featured{transform:none}
  .foot-col a{padding:10px 0}
}
@media (max-width:520px){
  .wrap{padding:0 20px}
  .foot-grid{grid-template-columns:1fr}
  .hero-cta{flex-direction:column}
  .hero-cta .btn{width:100%;text-align:center}
  .pad{padding:66px 0}
  .section-head{margin-bottom:44px}
  .split .body{padding:52px 24px}
  .tier{padding:38px 26px}
  .quote{padding:34px 26px 28px}
  .quote blockquote{font-size:1.2rem}
  .cap-layer{padding-bottom:15vh}
  .back-to-top{width:44px;height:44px;right:16px;bottom:16px}
  .back-to-top svg{width:18px;height:18px}
}