/* ===========================================================
   Denver Elysium — "Twilight Luxe"
   Palette: ink + indigo / champagne gold / ivory / copper
   =========================================================== */

:root{
  --ink:#0B0D13;
  --ink-2:#10131C;
  --indigo:#161A30;
  --indigo-2:#1E2444;
  --panel:#141828;
  --gold:#C9A24B;
  --gold-soft:#E6CE8A;
  --copper:#C06F3D;
  --ivory:#F4EFE4;
  --ivory-2:#E9E3D4;
  --slate:#9aa0b8;
  --slate-dim:#727892;
  --line:rgba(244,239,228,.14);
  --line-soft:rgba(244,239,228,.08);

  --serif:"Cormorant Garamond",Georgia,serif;
  --sans:"Manrope",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;

  --maxw:1240px;
  --gut:clamp(20px,5vw,64px);
  --r:14px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  background:var(--ink);
  color:var(--ivory);
  line-height:1.65;
  font-size:clamp(15px,1.05vw,17px);
  letter-spacing:.005em;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--gold);color:var(--ink)}

/* ---------- type ---------- */
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.04;letter-spacing:.005em}
.display{font-size:clamp(2.8rem,7.4vw,6.2rem);font-weight:600}
h2.section-title{font-size:clamp(2.1rem,4.6vw,3.6rem)}
h3{font-size:clamp(1.4rem,2.4vw,1.9rem)}
p{color:var(--ivory-2)}
.lead{font-size:clamp(1.05rem,1.5vw,1.28rem);color:var(--ivory-2)}

.eyebrow{
  font-family:var(--sans);
  font-size:.74rem;font-weight:700;
  letter-spacing:.34em;text-transform:uppercase;
  color:var(--gold);
  display:inline-flex;align-items:center;gap:.8em;
}
.eyebrow::before{content:"";width:34px;height:1px;background:linear-gradient(90deg,transparent,var(--gold))}
.eyebrow.center::before{background:var(--gold)}

.gold-text{color:var(--gold)}
.serif-accent{font-family:var(--serif);font-style:italic;color:var(--gold-soft)}

/* ---------- layout ---------- */
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut)}
section{padding-block:clamp(72px,11vw,140px);position:relative}
.bg-indigo{background:linear-gradient(180deg,var(--ink),var(--ink-2))}
.bg-panel{background:radial-gradient(120% 120% at 50% 0%,var(--indigo) 0%,var(--ink) 70%)}

/* ---------- buttons ---------- */
.btn{
  --bg:var(--gold);--fg:var(--ink);
  font-family:var(--sans);font-weight:700;font-size:.82rem;
  letter-spacing:.13em;text-transform:uppercase;
  display:inline-flex;align-items:center;gap:.7em;
  padding:1.02em 1.8em;border-radius:100px;
  background:var(--bg);color:var(--fg);
  border:1px solid var(--bg);cursor:pointer;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),background .3s,color .3s;
  will-change:transform;
}
.btn:hover{transform:translateY(-3px);box-shadow:0 14px 38px -12px rgba(201,162,75,.6)}
.btn .arr{transition:transform .35s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}
.btn-ghost{--bg:transparent;--fg:var(--ivory);border-color:var(--line)}
.btn-ghost:hover{--fg:var(--gold);border-color:var(--gold);box-shadow:none}
.btn-sm{padding:.8em 1.3em;font-size:.74rem}

/* ---------- nav ---------- */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:60;
  display:flex;align-items:center;justify-content:space-between;
  gap:1.5rem;padding:1.15rem var(--gut);
  transition:background .5s var(--ease),padding .5s var(--ease),border-color .5s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(11,13,19,.82);backdrop-filter:blur(14px);
  padding-block:.7rem;border-bottom-color:var(--line-soft);
}
.brand{display:flex;flex-direction:column;line-height:1;z-index:62}
.brand b{font-family:var(--serif);font-size:1.42rem;font-weight:700;letter-spacing:.02em}
.brand b span{color:var(--gold)}
.brand small{font-size:.58rem;letter-spacing:.42em;text-transform:uppercase;color:var(--slate);margin-top:.45em}
.nav-links{display:flex;align-items:center;gap:clamp(1rem,2vw,2.1rem)}
.nav-links a.lnk{
  font-size:.82rem;font-weight:600;letter-spacing:.05em;color:var(--ivory-2);
  position:relative;padding:.3em 0;
}
.nav-links a.lnk::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--gold);transition:width .35s var(--ease)}
.nav-links a.lnk:hover{color:var(--ivory)}
.nav-links a.lnk:hover::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:1rem}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;z-index:62}
.burger span{width:26px;height:2px;background:var(--ivory);transition:.35s var(--ease)}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{
  min-height:100svh;display:flex;align-items:flex-end;
  position:relative;overflow:hidden;padding-bottom:clamp(48px,8vw,90px);
}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;transform:scale(1.08);animation:slowZoom 18s var(--ease) forwards}
@keyframes slowZoom{to{transform:scale(1)}}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(11,13,19,.55) 0%,rgba(11,13,19,.12) 32%,rgba(11,13,19,.72) 78%,var(--ink) 100%),
    radial-gradient(80% 60% at 18% 92%,rgba(11,13,19,.7),transparent 70%);
}
.hero-inner{position:relative;z-index:2;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut);width:100%}
.hero h1{margin:.32em 0 .28em;max-width:14ch;text-shadow:0 2px 30px rgba(0,0,0,.35)}
.hero .lead{max-width:46ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2.1rem}
.scroll-cue{
  position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:2;
  display:flex;flex-direction:column;align-items:center;gap:.6em;
  font-size:.62rem;letter-spacing:.3em;text-transform:uppercase;color:var(--slate);
}
.scroll-cue i{width:1px;height:42px;background:linear-gradient(var(--gold),transparent);animation:cue 2.2s var(--ease) infinite}
@keyframes cue{0%{transform:scaleY(.2);transform-origin:top;opacity:0}40%{opacity:1}100%{transform:scaleY(1);transform-origin:top;opacity:0}}

/* ---------- intro / welcome ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,6vw,6rem);align-items:center}
.welcome p+p{margin-top:1.1rem}
.frame{position:relative;border-radius:var(--r);overflow:hidden}
.frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/5}
.frame::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px var(--line);border-radius:var(--r);pointer-events:none}
.frame .tag{position:absolute;left:18px;bottom:16px;background:rgba(11,13,19,.7);backdrop-filter:blur(6px);border:1px solid var(--line);border-radius:100px;padding:.5em 1.1em;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);border-radius:var(--r);overflow:hidden;margin-top:clamp(2.4rem,5vw,3.4rem)}
.stat{background:var(--ink-2);padding:clamp(1.4rem,3vw,2.2rem)}
.stat b{font-family:var(--serif);font-size:clamp(2rem,4vw,3rem);color:var(--gold);display:block;line-height:1}
.stat span{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--slate);margin-top:.6em;display:block}

/* ---------- amenities ---------- */
.amenities-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);border-radius:var(--r);overflow:hidden;margin-top:clamp(2.4rem,5vw,3.6rem)}
.amenity{background:linear-gradient(180deg,var(--ink-2),var(--ink));padding:clamp(1.6rem,3vw,2.3rem);transition:background .5s var(--ease)}
.amenity:hover{background:linear-gradient(180deg,var(--indigo),var(--ink-2))}
.amenity svg{width:30px;height:30px;stroke:var(--gold);fill:none;stroke-width:1.4;margin-bottom:1.1rem}
.amenity h4{font-family:var(--sans);font-weight:700;font-size:1.02rem;letter-spacing:.01em;margin-bottom:.4em}
.amenity p{font-size:.92rem;color:var(--slate)}

/* ---------- 3D GALLERY (signature) ---------- */
.gallery{background:radial-gradient(120% 90% at 50% 18%,var(--indigo) 0%,var(--ink) 62%)}
.filters{display:flex;flex-wrap:wrap;gap:.6rem;justify-content:center;margin:clamp(1.8rem,4vw,2.6rem) 0 clamp(.5rem,2vw,1rem)}
.filter{
  font-family:var(--sans);font-size:.74rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--slate);background:transparent;border:1px solid var(--line);
  padding:.62em 1.15em;border-radius:100px;cursor:pointer;transition:.3s var(--ease);
}
.filter:hover{color:var(--ivory);border-color:var(--slate)}
.filter[aria-pressed="true"]{color:var(--ink);background:var(--gold);border-color:var(--gold)}

.stage{
  position:relative;height:clamp(360px,52vw,560px);
  perspective:1500px;perspective-origin:50% 42%;
  margin-top:1.2rem;
}
.ring{
  position:absolute;inset:0;margin:auto;width:0;height:0;left:50%;top:46%;
  transform-style:preserve-3d;transition:transform 1s var(--ease);
}
.panel{
  position:absolute;
  width:var(--pw,300px);height:var(--ph,400px);
  left:calc(var(--pw,300px)/-2);top:calc(var(--ph,400px)/-2);
  transform-style:preserve-3d;cursor:pointer;
  border-radius:12px;overflow:hidden;
  box-shadow:0 30px 60px -28px rgba(0,0,0,.85);
  outline:1px solid var(--line);
  transition:outline-color .4s,box-shadow .4s;
  -webkit-backface-visibility:hidden;backface-visibility:hidden;
}
.panel img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease),filter .6s}
.panel::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(8,9,14,.82));opacity:.85;transition:opacity .4s}
.panel .cap{position:absolute;left:14px;right:14px;bottom:13px;z-index:2;font-size:.82rem;letter-spacing:.02em;color:var(--ivory);transform:translateY(6px);opacity:.9;transition:.45s var(--ease)}
.panel:hover{outline-color:var(--gold);box-shadow:0 36px 70px -24px rgba(201,162,75,.45)}
.panel:hover img{transform:scale(1.07)}
.panel.is-front .cap{opacity:1;transform:none}

.stage-ui{display:flex;align-items:center;justify-content:center;gap:1.4rem;margin-top:clamp(1.4rem,3vw,2rem)}
.rot{width:54px;height:54px;border-radius:50%;border:1px solid var(--line);background:rgba(244,239,228,.03);color:var(--ivory);cursor:pointer;display:grid;place-items:center;transition:.3s var(--ease)}
.rot:hover{border-color:var(--gold);color:var(--gold);transform:scale(1.06)}
.rot svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6}
.stage-hint{font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--slate-dim);text-align:center;margin-top:1rem}

/* ---------- lightbox ---------- */
.lightbox{position:fixed;inset:0;z-index:120;background:rgba(7,8,12,.95);backdrop-filter:blur(8px);display:none;align-items:center;justify-content:center;padding:clamp(16px,4vw,48px)}
.lightbox.open{display:flex}
.lb-img{max-width:min(1100px,92vw);max-height:84vh;border-radius:10px;box-shadow:0 40px 90px -30px #000;outline:1px solid var(--line)}
.lb-cap{position:absolute;bottom:max(18px,4vh);left:0;right:0;text-align:center;color:var(--ivory-2);font-size:.9rem;letter-spacing:.04em}
.lb-btn{position:absolute;background:rgba(244,239,228,.06);border:1px solid var(--line);color:var(--ivory);width:50px;height:50px;border-radius:50%;cursor:pointer;display:grid;place-items:center;transition:.3s var(--ease)}
.lb-btn:hover{border-color:var(--gold);color:var(--gold)}
.lb-btn svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7}
.lb-close{top:max(18px,3vh);right:max(18px,3vw)}
.lb-prev{left:max(12px,2vw);top:50%;transform:translateY(-50%)}
.lb-next{right:max(12px,2vw);top:50%;transform:translateY(-50%)}

/* ---------- rooms ---------- */
.rooms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(1rem,2vw,1.6rem);margin-top:clamp(2.4rem,5vw,3.4rem)}
.room{position:relative;border-radius:var(--r);overflow:hidden;background:var(--ink-2);border:1px solid var(--line-soft)}
.room-img{aspect-ratio:4/3;overflow:hidden}
.room-img img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease)}
.room:hover .room-img img{transform:scale(1.06)}
.room-body{padding:1.4rem 1.5rem 1.6rem}
.room-body h3{font-size:1.4rem;margin-bottom:.3em}
.room-body p{font-size:.92rem;color:var(--slate)}
.room-feats{display:flex;flex-wrap:wrap;gap:.5em;margin:1rem 0 1.2rem}
.room-feats span{font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-soft);border:1px solid var(--line);border-radius:100px;padding:.4em .8em}

/* ---------- video / screening ---------- */
.screen{position:relative;border-radius:var(--r);overflow:hidden;margin-top:clamp(2.2rem,5vw,3rem);isolation:isolate}
.screen img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/8;filter:saturate(1.05)}
.screen::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,13,19,.45),rgba(11,13,19,.78));z-index:1}
.screen-inner{position:absolute;inset:0;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:1.2rem;padding:var(--gut)}
.play{width:clamp(78px,9vw,108px);height:clamp(78px,9vw,108px);border-radius:50%;background:rgba(201,162,75,.16);border:1px solid var(--gold);display:grid;place-items:center;transition:.4s var(--ease);position:relative}
.play::before{content:"";position:absolute;inset:-1px;border-radius:50%;border:1px solid var(--gold);animation:ripple 2.6s var(--ease) infinite}
@keyframes ripple{0%{transform:scale(1);opacity:.6}100%{transform:scale(1.5);opacity:0}}
.play svg{width:34%;height:34%;fill:var(--gold);margin-left:6%}
.screen a.screen-link:hover .play{background:var(--gold)}
.screen a.screen-link:hover .play svg{fill:var(--ink)}
.screen h3{font-size:clamp(1.6rem,3vw,2.4rem)}
.channel-handle{font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold-soft)}

/* ---------- location ---------- */
.loc-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.6rem,4vw,3rem);align-items:stretch;margin-top:clamp(2.2rem,5vw,3rem)}
.map-card{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);min-height:340px}
.map-card iframe{width:100%;height:100%;min-height:340px;border:0;filter:grayscale(.3) contrast(1.05) brightness(.92)}
.loc-info h3{margin-bottom:.5em}
.loc-list{list-style:none;margin-top:1.4rem;display:grid;gap:1.1rem}
.loc-list li{display:flex;gap:1rem;align-items:flex-start;padding-bottom:1.1rem;border-bottom:1px solid var(--line-soft)}
.loc-list svg{width:22px;height:22px;stroke:var(--gold);fill:none;stroke-width:1.5;flex:0 0 auto;margin-top:3px}
.loc-list b{display:block;font-family:var(--sans);font-weight:700;font-size:.95rem}
.loc-list span{font-size:.9rem;color:var(--slate)}

/* ---------- cta band ---------- */
.cta-band{position:relative;overflow:hidden;text-align:center}
.cta-band .frame-bg{position:absolute;inset:0;z-index:0}
.cta-band .frame-bg img{width:100%;height:100%;object-fit:cover}
.cta-band .frame-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,13,19,.82),rgba(11,13,19,.92))}
.cta-band .wrap{position:relative;z-index:2}
.cta-band h2{margin:.3em auto .4em;max-width:18ch}
.cta-band .lead{max-width:52ch;margin-inline:auto}
.cta-actions{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center;margin-top:2rem}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(1.8rem,5vw,4rem);margin-top:clamp(2.2rem,5vw,3rem)}
.contact-info .ci{display:flex;gap:1rem;align-items:flex-start;margin-bottom:1.5rem}
.contact-info svg{width:22px;height:22px;stroke:var(--gold);fill:none;stroke-width:1.5;flex:0 0 auto;margin-top:2px}
.contact-info b{display:block;font-family:var(--sans);font-weight:700;font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--slate);margin-bottom:.3em}
.contact-info a,.contact-info span{font-size:1.05rem;color:var(--ivory)}
form .row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
form label{display:block;margin-bottom:1rem}
form .lbl{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--slate);margin-bottom:.5em;display:block}
form input,form textarea,form select{
  width:100%;background:var(--ink-2);border:1px solid var(--line);border-radius:10px;
  color:var(--ivory);font-family:var(--sans);font-size:.98rem;padding:.85em 1em;transition:border-color .3s;
}
form input:focus,form textarea:focus,form select:focus{outline:none;border-color:var(--gold)}
form textarea{min-height:120px;resize:vertical}

/* ---------- footer ---------- */
.footer{background:var(--ink-2);border-top:1px solid var(--line-soft);padding-block:clamp(48px,7vw,80px) 28px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2rem}
.footer .brand b{font-size:1.5rem}
.footer h5{font-family:var(--sans);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--slate);margin-bottom:1.1rem}
.footer ul{list-style:none;display:grid;gap:.7rem}
.footer ul a{font-size:.92rem;color:var(--ivory-2)}
.footer ul a:hover{color:var(--gold)}
.social{display:flex;gap:.7rem;margin-top:1.2rem}
.social a{width:42px;height:42px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;transition:.3s var(--ease)}
.social a:hover{border-color:var(--gold);background:var(--gold)}
.social a:hover svg{fill:var(--ink)}
.social svg{width:18px;height:18px;fill:var(--ivory)}
.foot-base{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;align-items:center;margin-top:clamp(2.4rem,5vw,3.4rem);padding-top:1.6rem;border-top:1px solid var(--line-soft)}
.foot-base p{font-size:.82rem;color:var(--slate-dim)}
.credit{font-size:.72rem;color:var(--slate-dim);letter-spacing:.04em}
.credit span{color:var(--slate)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* ---------- responsive ---------- */
@media(max-width:1024px){
  .amenities-grid{grid-template-columns:repeat(2,1fr)}
  .rooms-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .nav-links{
    position:fixed;inset:0;flex-direction:column;justify-content:center;gap:1.6rem;
    background:rgba(11,13,19,.97);backdrop-filter:blur(16px);
    transform:translateX(100%);transition:transform .5s var(--ease);
  }
  .nav-links.open{transform:none}
  .nav-links a.lnk{font-size:1.3rem;font-family:var(--serif)}
  .burger{display:flex}
  .nav .nav-cta .btn{display:none}
  .split,.loc-grid,.contact-grid{grid-template-columns:1fr}
  .split .frame{order:-1}
  .stats{grid-template-columns:1fr 1fr}
  .rooms-grid,.amenities-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:2.4rem}
  form .row{grid-template-columns:1fr}
  .hero{align-items:flex-end}
}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .ring{transition:none}
}