/* AIVOR ONE — cinematic slice
   Design system: docs/AIVOR_DESIGN_SYSTEM.md */

:root{
  --bg:#040404;
  --obsidian:#0b0b0c;
  --ink:#ede7de;
  --muted:#8d8578;
  --champ:#c9a46a;
  --champ-deep:#a57c42;
  --hair:rgba(201,164,106,.28);

  --display:"Bodoni Moda","Bodoni 72",Didot,"Times New Roman",serif;
  --ui:"Archivo","Helvetica Neue",Helvetica,Arial,sans-serif;

  --pad:clamp(20px,4vw,72px);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink)}
body{
  font-family:var(--ui);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
::selection{background:rgba(201,164,106,.22)}

.skip{
  position:fixed;left:-9999px;top:8px;z-index:100;
  background:var(--champ);color:#0a0a0a;padding:10px 16px;font-size:12px;letter-spacing:.18em;
}
.skip:focus{left:8px}

/* ---------- NAV ---------- */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:40;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:18px var(--pad);
  background:linear-gradient(to bottom,rgba(4,4,4,.92),rgba(4,4,4,.55) 60%,transparent);
  transition:opacity .5s var(--ease);
}
.brand img{height:26px;width:auto;filter:contrast(1.04) saturate(.96)}
.links{display:flex;gap:clamp(14px,2.4vw,34px)}
.links a{
  font-size:10.5px;letter-spacing:.30em;text-transform:uppercase;color:var(--muted);
  transition:color .3s var(--ease);
}
.links a:hover,.links a:focus-visible{color:var(--ink)}
.own{
  font-size:10.5px;letter-spacing:.28em;text-transform:uppercase;
  border:1px solid var(--hair);padding:10px 18px;color:var(--ink);
  transition:background .35s var(--ease),border-color .35s var(--ease);
}
.own:hover,.own:focus-visible{background:rgba(201,164,106,.10);border-color:var(--champ)}
.own--inline{margin-top:28px;display:inline-block}

/* ---------- RAIL ---------- */
.rail{
  position:fixed;left:var(--pad);top:50%;transform:translateY(-50%);z-index:30;
  pointer-events:none;
}
.rail ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.rail li{display:flex;align-items:center;gap:8px;opacity:.28;transition:opacity .4s var(--ease)}
.rail li span{font-size:9.5px;letter-spacing:.14em;color:var(--muted)}
.rail li em{
  font-style:normal;font-size:8.5px;letter-spacing:.26em;text-transform:uppercase;color:var(--muted);
  opacity:0;transform:translateX(-4px);transition:opacity .4s var(--ease),transform .4s var(--ease);
  white-space:nowrap;
}
.rail li.is-on{opacity:1}
.rail li.is-on span{color:var(--champ)}
.rail li.is-on em{opacity:1;transform:none;color:var(--ink)}

/* ---------- STAGE ---------- */
.scroller{position:relative;height:640vh}
.stage{position:sticky;top:0;height:100svh;overflow:hidden;background:var(--bg)}

.scene{
  position:absolute;inset:0;
  opacity:var(--o,0);
  will-change:opacity;
  contain:paint;
}
.plate{position:absolute;inset:0;will-change:transform;transform-origin:50% 55%;overflow:hidden}
.plate img{width:100%;height:100%;object-fit:cover;transform:scale(var(--z,1)) translate3d(var(--x,0),var(--y,0),0)}
.plate--hero img,.plate--hero2 img{object-position:50% 46%}
.plate--exploded img{object-position:50% 30%}
.plate--macro img{object-position:50% 50%}

/* reveal mask for the hero plate */
.scene--reveal .plate{
  -webkit-mask-image:radial-gradient(120% 100% at 50% 52%,#000 42%,rgba(0,0,0,.75) 66%,transparent 92%);
  mask-image:radial-gradient(120% 100% at 50% 52%,#000 42%,rgba(0,0,0,.75) 66%,transparent 92%);
}

/* ---------- IDENTITY / HOLD ---------- */
.scene--identity,.scene--hold{display:grid;place-items:center;text-align:center}
.identity{display:flex;flex-direction:column;align-items:center;gap:22px;transform:translateY(var(--iy,0))}
.identity .mark{
  width:clamp(150px,13vw,210px);height:auto;opacity:var(--mo,0);
  filter:drop-shadow(0 0 26px rgba(201,164,106,.16));
}
.hairline{
  width:var(--hw,0px);height:1px;background:linear-gradient(90deg,transparent,var(--champ),transparent);
  opacity:var(--lo,0);
}
.cue{
  margin:0;font-size:9.5px;letter-spacing:.34em;text-transform:uppercase;color:var(--muted);
  opacity:var(--co,0);
}
.glow{
  position:absolute;width:60vmax;height:60vmax;left:50%;top:50%;transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(201,164,106,.10),rgba(201,164,106,.03) 42%,transparent 70%);
  opacity:var(--go,0);pointer-events:none;
}

/* ---------- COPY ---------- */
.scene-copy{position:absolute;z-index:3;pointer-events:none}
.scene-copy{left:var(--pad);bottom:clamp(56px,11vh,120px);max-width:min(46ch,46vw)}
.scene-copy--right{left:auto;right:var(--pad);text-align:right;bottom:auto;top:50%;transform:translateY(-50%)}
.scene-copy--top{top:clamp(84px,14vh,140px);bottom:auto;left:var(--pad);max-width:none;display:flex;gap:14px;align-items:baseline}
.scene-copy--bottom{bottom:clamp(56px,10vh,110px)}

.eyebrow{
  margin:0 0 14px;font-size:10px;letter-spacing:.34em;text-transform:uppercase;color:var(--champ);
}
h1,h2{
  font-family:var(--display);font-weight:400;margin:0;
  font-size:clamp(2.7rem,6.4vw,5.9rem);line-height:.98;letter-spacing:-.01em;
}
h1{font-size:clamp(2.6rem,5.6vw,5.2rem)}
.note{
  margin:18px 0 0;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);
  opacity:.75;
}
.line{
  margin:18px 0 0;font-family:var(--display);font-size:clamp(1.05rem,1.6vw,1.42rem);
  line-height:1.5;color:#d9cfc2;font-style:italic;letter-spacing:.01em;
}
.scene-copy--top .line{margin:0;font-size:clamp(.95rem,1.3vw,1.15rem)}
.scene-copy--top .eyebrow{margin:0}

/* ---------- ANNOTATIONS ---------- */
.anno{position:absolute;z-index:4;display:flex;align-items:center;gap:10px;pointer-events:none}
.anno .dot{
  width:5px;height:5px;border-radius:50%;background:var(--champ);
  box-shadow:0 0 0 4px rgba(201,164,106,.12);opacity:var(--ao,0);flex:0 0 auto;
}
.anno .hair{
  width:var(--hx,0px);height:1px;background:var(--hair);flex:0 0 auto;
}
.anno p{margin:0;opacity:var(--ao,0);transform:translateY(4px)}
.anno b{
  display:block;font-weight:500;font-size:9.5px;letter-spacing:.26em;text-transform:uppercase;color:var(--ink);
}
.anno i{
  display:block;font-style:normal;font-size:9px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--muted);margin-top:5px;
}
.anno--1{right:8%;top:30%}
.anno--2{right:6%;top:52%}
.anno--3{right:9%;top:70%}

/* ---------- LIGHT ---------- */
.rim,.sweep{position:absolute;inset:0;pointer-events:none;mix-blend-mode:screen}
.rim{
  background:radial-gradient(120% 80% at 18% 12%,rgba(228,190,138,.18),transparent 46%);
  opacity:var(--ro,0);
}
.sweep{
  background:linear-gradient(105deg,transparent 38%,rgba(236,205,160,.16) 48%,rgba(236,205,160,.05) 54%,transparent 66%);
  transform:translateX(var(--sx,-40%));
  opacity:var(--so,0);
}
.sweep--macro{
  background:linear-gradient(100deg,transparent 30%,rgba(240,214,174,.22) 46%,transparent 62%);
}

/* ---------- HOLD ---------- */
.hold-copy{
  position:absolute;left:50%;bottom:clamp(40px,7vh,80px);transform:translateX(-50%);
  width:min(64ch,86vw);text-align:center;opacity:var(--ho,0);
}
.hold-copy .eyebrow{margin-bottom:14px}
.disclaimer{
  margin:0;font-size:10.5px;line-height:1.8;letter-spacing:.06em;color:var(--muted);
}

/* ---------- FILM LAYERS ---------- */
.grain{
  position:fixed;inset:0;z-index:20;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/></filter><rect width='160' height='160' filter='url(%23n)' opacity='.6'/></svg>");
}
.vignette{
  position:fixed;inset:0;z-index:19;pointer-events:none;
  background:radial-gradient(120% 90% at 50% 45%,transparent 52%,rgba(0,0,0,.55) 88%,rgba(0,0,0,.82));
}

/* ---------- 06 INTERIOR ---------- */
.scene--interior .plate--interior img{object-position:50% 42%}
.provisional{
  position:absolute;right:var(--pad);bottom:clamp(22px,4vh,40px);margin:0;
  font-size:8.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);opacity:.55;
  max-width:34ch;text-align:right;
}

/* ---------- 07 CARRY ---------- */
.scene--carry .plate img{object-position:50% 46%;filter:brightness(.62) saturate(.92)}
.carry{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  display:flex;gap:clamp(28px,6vw,90px);align-items:flex-end;z-index:3;
}
.count{text-align:center;opacity:0;transform:translateY(10px);will-change:opacity,transform}
.count b{
  display:block;font-family:var(--display);font-weight:400;font-size:clamp(2.4rem,5.2vw,4.4rem);
  line-height:1;color:var(--ink);
}
.count span{
  display:block;margin-top:10px;font-size:9.5px;letter-spacing:.28em;text-transform:uppercase;color:var(--champ);
}
.count span i{display:block;margin-top:6px;font-style:normal;font-size:8.5px;letter-spacing:.16em;color:var(--muted)}
.carry-copy{
  position:absolute;left:var(--pad);bottom:clamp(40px,8vh,84px);margin:0;z-index:3;
  font-family:var(--display);font-size:clamp(1rem,1.5vw,1.3rem);line-height:1.5;color:#cbc1b3;
  opacity:var(--cco,0);max-width:26ch;
}

/* ---------- 08 PROFILE ---------- */
.scene--profile .plate img{object-position:50% 38%;filter:brightness(.55)}
.measure{
  position:absolute;right:var(--pad);top:50%;transform:translateY(-50%);z-index:3;
  width:min(430px,42vw);
}
.bar{position:relative;padding:14px 0 16px;border-top:1px solid rgba(201,164,106,.18)}
.bar:last-of-type{border-bottom:1px solid rgba(201,164,106,.18)}
.bar span{display:block;font-size:9px;letter-spacing:.28em;text-transform:uppercase;color:var(--muted)}
.bar b{display:block;font-family:var(--display);font-weight:400;font-size:clamp(1.4rem,2.4vw,2rem);margin-top:6px}
.bar i{
  position:absolute;left:0;bottom:-1px;height:1px;background:var(--champ);
  width:var(--bw,0%);transition:none;box-shadow:0 0 10px rgba(201,164,106,.4);
}
.target-note{
  margin:22px 0 0;font-size:9px;line-height:1.8;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);
  opacity:.7;max-width:34ch;
}

/* ---------- 09 ASSEMBLY ---------- */
.scene--assembly .plate--re-exploded{opacity:var(--r1,1);transform:scale(var(--rs,1))}
.scene--assembly .plate--re-hero{opacity:var(--r2,0);transform:scale(var(--rz,1.06))}
.scene--assembly .plate img{object-position:50% 40%}

/* ---------- 10 PROOF ---------- */
.scene--proof .plate img{object-position:50% 45%;filter:brightness(.72)}

/* ---------- 11 OWN ---------- */
.scene--own .plate--hero3 img{object-position:50% 46%;filter:brightness(.42) blur(1px);transform:scale(1.04)}
.order{
  position:absolute;right:var(--pad);top:50%;transform:translateY(-50%);z-index:3;
  width:min(430px,44vw);text-align:left;
}
.order h2{font-size:clamp(2rem,3.6vw,3.1rem)}
.price{display:flex;align-items:baseline;gap:14px;margin:20px 0 0}
.price b{font-family:var(--display);font-weight:400;font-size:clamp(1.5rem,2.6vw,2.1rem)}
.price span{font-size:8.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.terms{list-style:none;margin:20px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}
.terms li{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.terms li::before{content:"— ";color:var(--champ)}
.interest{margin:26px 0 0}
.interest label{display:block;font-size:8.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.field{display:flex;border:1px solid var(--hair)}
.field input{
  flex:1;background:transparent;border:0;outline:none;color:var(--ink);
  font-family:var(--ui);font-size:12px;letter-spacing:.06em;padding:12px 14px;min-width:0;
}
.field input::placeholder{color:#6d675e}
.field button{
  border:0;background:var(--champ);color:#0a0a0a;font-family:var(--ui);font-size:9.5px;
  letter-spacing:.24em;padding:0 18px;cursor:pointer;transition:opacity .3s var(--ease);
}
.field button:hover{opacity:.86}
.field:focus-within{border-color:var(--champ)}
.msg{margin:10px 0 0;font-size:10px;letter-spacing:.1em;color:var(--champ);min-height:14px}
.msg.err{color:#d98b7a}
.scene--own .disclaimer{margin-top:22px;text-align:left;font-size:9px;line-height:1.9}

/* ---------- RESPONSIVE ---------- */
@media (max-width:900px){
  .scroller{height:520vh}
  .links{display:none}
  .rail{display:none}
  .scene-copy,.scene-copy--right{
    left:var(--pad);right:var(--pad);bottom:clamp(40px,8vh,72px);
    top:auto;transform:none;text-align:left;max-width:none;
  }
  .scene-copy--top{top:auto;bottom:auto;left:var(--pad);right:var(--pad);display:block;margin-top:96px;position:absolute;top:0}
  .anno--1{right:6%;top:26%}
  .anno--2{right:5%;top:46%}
  .anno--3{right:6%;top:64%}
  .anno p{max-width:120px}
  .brand img{height:22px}

  .measure{position:relative;right:auto;top:auto;transform:none;width:auto;margin:0 var(--pad)}
  .order{position:relative;right:auto;top:auto;transform:none;width:auto;padding:0 var(--pad)}
  .scene--own{align-content:end;padding-bottom:54px}
  .carry{top:auto;bottom:132px;gap:20px;transform:translateX(-50%)}
  .count b{font-size:2.1rem}
  .carry-copy{display:none}
  .provisional{left:var(--pad);right:var(--pad);text-align:left;max-width:none;bottom:16px}
  .target-note{max-width:none}
}

/* ---------- REDUCED MOTION ---------- */
@media (prefers-reduced-motion:reduce){
  .scroller{height:auto}
  .stage{position:static;height:auto;display:block}
  .plate,.scene-copy,.anno,.identity,.hold-copy{transform:none!important}
  .scene{position:relative;inset:auto;min-height:92svh;opacity:1!important;display:grid;place-items:center;padding:120px var(--pad) 80px}
  .identity,.hold-copy{position:relative;left:auto;bottom:auto;transform:none}
  .sweep,.rim,.grain{display:none}
  .plate{position:absolute;inset:0}
  .scene-copy{position:relative;left:auto;right:auto;bottom:auto;top:auto}
}