/* ONYX PRIVATE — security-print art direction.
   Near-black, steel grey, restrained old-gold. Centered ceremonial composition.
   Motion is glacial; nothing bounces. */

:root{
  --ink:#0d0d0f;
  --ink-2:#121317;
  --steel:#9aa4b2;
  --steel-bright:#dfe3e9;
  --steel-dim:#7d8794;
  --gold:#cfa14c;
  --gold-dim:#8a6c34;
  --hairline:rgba(154,164,178,.16);
  --gold-hairline:rgba(207,161,76,.28);
  --serif:"Cormorant SC", serif;
  --grotesk:"Hanken Grotesk", system-ui, sans-serif;
  --ease-glacial:cubic-bezier(.22,.06,.18,1);
}

*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior:auto; } }

body{
  background:var(--ink);
  color:var(--steel);
  font-family:var(--grotesk);
  font-weight:300;
  font-size:1.02rem;
  line-height:1.72;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

::selection{ background:var(--gold); color:var(--ink); }

a{ color:var(--steel-bright); text-decoration:none; }
a:hover{ color:var(--gold); }
:focus-visible{ outline:1px solid var(--gold); outline-offset:4px; }

.skip{
  position:fixed; top:-3rem; left:50%; transform:translateX(-50%);
  background:var(--ink-2); color:var(--gold); border:1px solid var(--gold-hairline);
  padding:.55rem 1.2rem; z-index:60; transition:top .3s var(--ease-glacial);
  font-size:.78rem; letter-spacing:.14em; text-transform:uppercase;
}
.skip:focus{ top:.8rem; }

.visually-hidden{
  position:absolute; width:1px; height:1px; margin:-1px; padding:0;
  overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0;
}

/* ---------- veil (loader) ---------- */
.veil{
  position:fixed; inset:0; z-index:50; background:var(--ink);
  display:grid; place-items:center;
  transition:opacity 1.4s var(--ease-glacial), visibility 0s 1.4s;
}
.veil-word{
  font-family:var(--serif); font-weight:300; color:var(--steel-dim);
  font-size:clamp(1.4rem,3vw,2rem); letter-spacing:.55em; padding-left:.55em;
  opacity:0; animation:veil-in 1.6s var(--ease-glacial) forwards;
}
@keyframes veil-in{ to{ opacity:1; letter-spacing:.4em; } }
.veil.done{ opacity:0; visibility:hidden; pointer-events:none; }
@media (prefers-reduced-motion: reduce){
  .veil{ display:none; }
  .veil-word{ animation:none; }
}

/* ---------- nav ---------- */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:40;
  display:flex; align-items:center; justify-content:space-between;
  padding:1.1rem clamp(1.2rem,4vw,3rem);
  transition:background 1.2s var(--ease-glacial), border-color 1.2s var(--ease-glacial);
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(13,13,15,.82);
  -webkit-backdrop-filter:blur(12px); backdrop-filter:blur(12px);
  border-bottom-color:var(--hairline);
}
.nav-mark{
  font-family:var(--serif); font-weight:500; font-size:1.3rem;
  letter-spacing:.34em; color:var(--steel-bright);
}
.nav nav{ display:flex; align-items:center; gap:clamp(.9rem,2.4vw,2rem); }
.nav nav a{
  font-size:.72rem; letter-spacing:.2em; text-transform:uppercase;
  color:var(--steel); transition:color .6s var(--ease-glacial);
}
.nav nav a:hover{ color:var(--gold); }
.nav-cta{
  border:1px solid var(--gold-hairline); padding:.5rem 1rem;
  color:var(--gold) !important;
  transition:border-color .6s var(--ease-glacial), background .6s var(--ease-glacial);
}
.nav-cta:hover{ border-color:var(--gold); background:rgba(207,161,76,.06); }
@media (max-width:760px){
  .nav nav a:not(.nav-cta){ display:none; }
}

/* ---------- hero ---------- */
.hero{
  position:relative; min-height:100svh;
  display:grid; place-items:center; text-align:center;
  overflow:hidden;
}
#rosette-canvas{
  position:absolute; inset:0; width:100%; height:100%; display:block;
}
.hero-copy{ position:relative; z-index:2; padding:0 1.4rem; }
.hero-est{
  font-size:.72rem; letter-spacing:.32em; text-transform:uppercase;
  color:var(--gold); margin-bottom:2.2rem;
}
.hero-title{
  font-family:var(--serif); font-weight:300; color:var(--steel-bright);
  font-size:clamp(3rem,11vw,8.5rem); line-height:1.02; letter-spacing:.12em;
  padding-left:.12em; /* optically re-center tracked small caps */
}
.hero-title .line{ display:block; overflow:hidden; }
.hero-title .line span{ display:inline-block; transform:translateY(110%); }
.hero-sub{
  margin-top:2.4rem; color:var(--steel);
  font-size:clamp(.95rem,1.4vw,1.08rem); max-width:34rem; margin-inline:auto;
}
.hero-scroll{
  position:absolute; bottom:2.2rem; left:50%; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:.9rem;
  color:var(--steel-dim); font-size:.68rem; letter-spacing:.28em; text-transform:uppercase;
}
.hero-scroll-line{
  width:1px; height:56px; background:linear-gradient(var(--gold), transparent);
  animation:drop 3.2s var(--ease-glacial) infinite;
  transform-origin:top;
}
@keyframes drop{ 0%{ transform:scaleY(0);} 45%{ transform:scaleY(1);} 100%{ transform:scaleY(1); opacity:0;} }
@media (prefers-reduced-motion: reduce){
  .hero-title .line span{ transform:none; }
  .hero-scroll-line{ animation:none; }
}

/* ---------- preamble ---------- */
.preamble{ padding:clamp(7rem,16vh,12rem) 1.5rem; display:grid; place-items:center; }
.preamble-text{
  max-width:46rem; text-align:center;
  font-family:var(--serif); font-weight:300;
  font-size:clamp(1.25rem,2.6vw,1.9rem); line-height:1.75;
  color:var(--steel-dim);
}
.preamble-text em{ font-style:normal; color:var(--gold); }
.preamble-text .w{ transition:color 1.2s var(--ease-glacial); }
.preamble-text .w.lit{ color:var(--steel-bright); }
.preamble-text em .w.lit{ color:var(--gold); }

/* ---------- shared chapter grammar ---------- */
section{ scroll-margin-top:5rem; }
.chapter-head{ text-align:center; margin:0 auto clamp(3rem,7vh,5rem); padding:0 1.4rem; }
.chapter-index{
  font-size:.72rem; letter-spacing:.32em; text-transform:uppercase;
  color:var(--gold); margin-bottom:1.4rem;
}
.chapter-index::before,
.chapter-index::after{
  content:""; display:inline-block; vertical-align:middle;
  width:2.4rem; height:1px; background:var(--gold-hairline); margin:0 1rem;
}
.chapter-title{
  font-family:var(--serif); font-weight:300; color:var(--steel-bright);
  font-size:clamp(2rem,5vw,3.6rem); line-height:1.14; letter-spacing:.06em;
}

/* ---------- charter ---------- */
.charter{ padding:clamp(5rem,12vh,9rem) 1.5rem; }
.clauses{ list-style:none; max-width:44rem; margin:0 auto; }
.clause{
  text-align:center; padding:clamp(2.6rem,6vh,4rem) 0;
  border-top:1px solid var(--hairline);
}
.clause:last-child{ border-bottom:1px solid var(--hairline); }
.clause-no{
  display:block; font-family:var(--serif); font-weight:400;
  color:var(--gold); font-size:1.1rem; letter-spacing:.3em; padding-left:.3em;
  margin-bottom:1.1rem;
}
.clause h3{
  font-family:var(--serif); font-weight:400; color:var(--steel-bright);
  font-size:clamp(1.3rem,2.6vw,1.7rem); letter-spacing:.08em; margin-bottom:.9rem;
}
.clause p{ max-width:36rem; margin:0 auto; color:var(--steel); }

/* ---------- card ---------- */
.card-section{ padding:clamp(5rem,12vh,9rem) 1.5rem; }
.card-stage{
  display:grid; place-items:center;
  perspective:1200px; padding:1rem 0 2.4rem;
}
.card{
  position:relative;
  width:min(30rem,86vw); aspect-ratio:1.586;
  border-radius:.9rem; overflow:hidden;
  transform-style:preserve-3d;
  box-shadow:0 30px 80px rgba(0,0,0,.6), 0 4px 18px rgba(0,0,0,.5);
  border:1px solid rgba(154,164,178,.22);
  background:var(--ink-2);
  will-change:transform;
}
.card-face{ position:absolute; inset:0; width:100%; height:100%; display:block; }
.card-sheen{
  position:absolute; inset:0; pointer-events:none;
  background:radial-gradient(120% 90% at var(--sx,30%) var(--sy,20%), rgba(223,227,233,.10), rgba(18,19,23,0) 55%);
  transition:opacity 1.2s var(--ease-glacial);
}
.card-note{
  text-align:center; max-width:34rem; margin:0 auto; color:var(--steel);
}
.card-hint{ color:var(--steel-dim); font-size:.86em; }
@media (hover:none){ .card-hint{ display:none; } }

/* ---------- desk ---------- */
.desk{ padding:clamp(5rem,12vh,9rem) 1.5rem; }
.desk-list{ list-style:none; max-width:42rem; margin:0 auto; }
.desk-item{
  display:grid; grid-template-columns:3.4rem 1fr; gap:1.2rem;
  padding:1.9rem 0; border-top:1px solid var(--hairline);
  align-items:start;
}
.desk-item:last-child{ border-bottom:1px solid var(--hairline); }
.desk-no{
  font-family:var(--serif); color:var(--gold); font-weight:400;
  font-size:1rem; letter-spacing:.22em; padding-top:.3rem; text-align:center;
}
.desk-item h3{
  font-family:var(--serif); font-weight:400; color:var(--steel-bright);
  font-size:1.22rem; letter-spacing:.1em; margin-bottom:.35rem;
}
.desk-item p{ color:var(--steel); }

/* ---------- vault ---------- */
.vault{ padding:clamp(5rem,12vh,9rem) 1.5rem; }
.vault-grid{
  max-width:52rem; margin:0 auto;
  display:grid; grid-template-columns:repeat(2,1fr);
  border:1px solid var(--hairline);
}
.vault-item{
  padding:clamp(1.8rem,4vw,2.8rem); text-align:center;
  border:0 solid var(--hairline);
}
.vault-item:nth-child(1){ border-right-width:1px; border-bottom-width:1px; }
.vault-item:nth-child(2){ border-bottom-width:1px; }
.vault-item:nth-child(3){ border-right-width:1px; }
.vault-item h3{
  font-family:var(--serif); font-weight:400; color:var(--gold);
  font-size:1.15rem; letter-spacing:.26em; padding-left:.26em; margin-bottom:.8rem;
}
.vault-item p{ color:var(--steel); font-size:.98rem; }
.vault-fine{
  text-align:center; margin:2.2rem auto 0; max-width:36rem;
  color:var(--steel-dim); font-size:.86rem; letter-spacing:.04em;
}
@media (max-width:640px){
  .vault-grid{ grid-template-columns:1fr; }
  .vault-item{ border-right-width:0 !important; border-bottom-width:1px !important; }
  .vault-item:last-child{ border-bottom-width:0 !important; }
}

/* ---------- invitation ---------- */
.invitation{
  position:relative; padding:clamp(6rem,14vh,11rem) 1.5rem;
  overflow:hidden;
}
#invite-canvas{
  position:absolute; left:50%; top:50%;
  width:min(120vh,120vw); height:min(120vh,120vw);
  transform:translate(-50%,-50%);
  pointer-events:none;
}
.invitation-inner{
  position:relative; z-index:2; max-width:30rem; margin:0 auto; text-align:center;
}
.invitation-title{
  font-family:var(--serif); font-weight:300; color:var(--steel-bright);
  font-size:clamp(2rem,5.4vw,3.4rem); letter-spacing:.06em; line-height:1.14;
}
.invitation-sub{ margin:1.6rem 0 2rem; color:var(--steel); }
.register-status{
  display:flex; justify-content:center; gap:clamp(1.2rem,4vw,2.4rem);
  flex-wrap:wrap; margin-bottom:2.8rem;
  padding:1.1rem .6rem; border-top:1px solid var(--hairline); border-bottom:1px solid var(--hairline);
}
.register-status dt{
  font-size:.62rem; letter-spacing:.24em; text-transform:uppercase;
  color:var(--steel-dim); margin-bottom:.25rem;
}
.register-status dd{
  font-family:var(--serif); color:var(--gold); font-size:1.05rem; letter-spacing:.08em;
}
.invitation-form{ display:grid; gap:1.6rem; text-align:left; }
.field label{
  display:block; font-size:.7rem; letter-spacing:.24em; text-transform:uppercase;
  color:var(--steel-dim); margin-bottom:.5rem;
}
.field .optional{ color:var(--steel-dim); text-transform:none; letter-spacing:.06em; opacity:.75; }
.field input{
  width:100%; background:transparent; border:0;
  border-bottom:1px solid var(--hairline);
  color:var(--steel-bright); font-family:var(--grotesk); font-weight:300;
  font-size:1.05rem; padding:.55rem .1rem;
  transition:border-color .8s var(--ease-glacial);
  border-radius:0;
}
.field input:focus{ outline:none; border-bottom-color:var(--gold); }
.invitation-form button{
  margin-top:1.2rem; cursor:pointer;
  background:transparent; color:var(--gold);
  border:1px solid var(--gold-hairline);
  font-family:var(--grotesk); font-weight:400;
  font-size:.78rem; letter-spacing:.26em; text-transform:uppercase;
  padding:1.05rem 1.4rem;
  transition:border-color 1s var(--ease-glacial), background 1s var(--ease-glacial), color 1s var(--ease-glacial);
}
.invitation-form button:hover,
.invitation-form button:focus-visible{
  border-color:var(--gold); background:rgba(207,161,76,.07);
}
.invitation-confirm{
  margin-top:2rem; color:var(--gold); font-family:var(--serif);
  font-size:1.15rem; letter-spacing:.05em; min-height:1.6em;
}

/* ---------- footer ---------- */
.footer{
  border-top:1px solid var(--hairline);
  padding:3rem 1.5rem 3.4rem; text-align:center;
  display:grid; gap:1rem; justify-items:center;
  color:var(--steel-dim); font-size:.86rem; letter-spacing:.06em;
}
.footer-addr{ color:var(--steel); }
.footer nav a{
  font-size:.72rem; letter-spacing:.24em; text-transform:uppercase; color:var(--gold);
}
.footer-fine{ max-width:38rem; font-size:.78rem; color:var(--steel-dim); }
.footer-fine a{ color:var(--steel); }
.footer-fine a:hover{ color:var(--gold); }

/* ---------- reveal defaults (JS adds motion; keep visible without JS) ---------- */
.reveal{ opacity:1; }

/* ---------- 404 ---------- */
.lost{
  min-height:100svh; display:grid; place-items:center; text-align:center;
  padding:2rem 1.4rem; position:relative; overflow:hidden;
}
.lost-inner{ position:relative; z-index:2; max-width:34rem; }
.lost svg{ margin-bottom:2rem; }
.lost h1{
  font-family:var(--serif); font-weight:300; color:var(--steel-bright);
  font-size:clamp(2rem,6vw,3.4rem); letter-spacing:.1em; margin-bottom:1.2rem;
}
.lost p{ color:var(--steel); margin-bottom:2.4rem; }
.lost a.btn{
  display:inline-block; border:1px solid var(--gold-hairline); color:var(--gold);
  font-size:.74rem; letter-spacing:.26em; text-transform:uppercase;
  padding:.9rem 1.6rem; transition:border-color .8s var(--ease-glacial);
}
.lost a.btn:hover{ border-color:var(--gold); }

/* ---------- guide ---------- */
.guide-body{
  max-width:44rem; margin:0 auto; padding:6rem 1.4rem 5rem;
}
.guide-body .back{
  font-size:.72rem; letter-spacing:.24em; text-transform:uppercase; color:var(--gold);
}
.guide-body h1{
  font-family:var(--serif); font-weight:300; color:var(--steel-bright);
  font-size:clamp(2.2rem,6vw,3.4rem); letter-spacing:.08em;
  margin:1.6rem 0 1.2rem; line-height:1.15;
}
.guide-body h2{
  font-family:var(--serif); font-weight:400; color:var(--gold);
  font-size:1.35rem; letter-spacing:.12em;
  margin:3rem 0 .9rem; padding-top:2.2rem;
  border-top:1px solid var(--hairline);
}
.guide-body p, .guide-body li{ color:var(--steel); margin-bottom:.8rem; }
.guide-body ul, .guide-body ol{ padding-left:1.3rem; }
.guide-body strong{ color:var(--steel-bright); font-weight:500; }
.guide-body em{ color:var(--steel-bright); }
.guide-body code{
  font-family:ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size:.86em; color:var(--gold); background:rgba(207,161,76,.07);
  padding:.1em .35em; border-radius:.25em;
}
.guide-body a{ color:var(--gold); text-decoration:underline; text-underline-offset:3px; }

/* ---------- reduced motion global ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{ animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; }
}

/* ---------- small screens ---------- */
@media (max-width:520px){
  .desk-item{ grid-template-columns:2.2rem 1fr; gap:.9rem; }
  .chapter-index::before, .chapter-index::after{ width:1.2rem; margin:0 .6rem; }
  .hero-title{ letter-spacing:.09em; }
}