/* cy.archilab — homepage
   One look: the dusk of the hero film continues into the night page below.
   --stage, --ink, --yard, --lab are also read by the wordmark canvas in main.js. */
:root{
  --night:#0F1B2B;
  --night-2:#13233A;
  --stage:#172A40;
  --ink:#F1EADF;
  --muted:#A3AEBB;
  --rule:rgba(241,234,223,.14);
  --yard:#F0A040;
  --lab:#8EC3DC;
  --dusk-1:#13233A; --dusk-2:#2C4867; --dusk-3:#7E7A93; --dusk-4:#E2AE8C; --dusk-5:#F5D0A3;
  --f-display:"Bricolage Grotesque","IBM Plex Sans KR",system-ui,sans-serif;
  --f-body:"IBM Plex Sans KR","Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;
  --f-mono:"IBM Plex Mono","IBM Plex Sans KR",ui-monospace,Menlo,monospace;
  --f-hand:"Gaegu","IBM Plex Sans KR",cursive;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--night);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;word-break:keep-all;overflow-wrap:break-word}
a{color:inherit}
:focus-visible{outline:2px solid var(--yard);outline-offset:3px}

/* ---------- hero ---------- */
.hero{position:relative;height:100vh;height:100svh;min-height:560px;overflow:hidden;
  background:linear-gradient(180deg,var(--dusk-1) 0%,var(--dusk-2) 32%,var(--dusk-3) 56%,var(--dusk-4) 79%,var(--dusk-5) 100%)}
@media (max-aspect-ratio: 3/4){.hero{height:min(100svh,165vw)}}
.hero canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.hero::before,.hero::after{content:"";position:absolute;left:0;right:0;pointer-events:none;z-index:1}
.hero::before{top:0;height:120px;background:linear-gradient(180deg,rgba(10,18,30,.42),rgba(10,18,30,0))}
.hero::after{bottom:0;height:150px;background:linear-gradient(0deg,var(--night) 0%,rgba(15,27,43,.55) 40%,rgba(15,27,43,0) 100%)}
.hero.is-static{background:url(../img/og.png) center/cover no-repeat,var(--night-2)}
.hero.is-static canvas,.hero.is-static .labels{display:none}

.labels{position:absolute;inset:0;pointer-events:none;z-index:2}
.lb{position:absolute;left:0;top:0;white-space:nowrap;will-change:transform,opacity;opacity:0}
.lb.name{font-family:var(--f-hand);font-weight:700;font-size:clamp(17px,2vw,22px);line-height:1;padding:5px 9px 4px;background:#FFF8EE;border-radius:4px;box-shadow:0 4px 14px rgba(20,30,45,.22)}
.lb.k{color:#C8761C}
.lb.d{color:#2F5F82}
.lb.mono{font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#FFF6EA;text-shadow:0 1px 6px rgba(0,0,0,.4)}
.lb.greek{text-transform:none;letter-spacing:.06em;font-size:12.5px}
.lb.prop{display:flex;flex-direction:column;gap:3px;padding:7px 10px 6px;background:#FFF8EE;border-radius:4px;box-shadow:0 6px 18px rgba(20,30,45,.25)}
.lb.prop small{font-family:var(--f-mono);font-size:10px;letter-spacing:.12em;color:#2F5F82}
.lb.prop b{font-family:var(--f-hand);font-weight:700;font-size:clamp(18px,2.1vw,24px);line-height:1}
.lb.tagline{font-family:var(--f-mono);font-size:clamp(10px,1.1vw,12px);letter-spacing:.2em;color:#4A3A2A}
.lb.tagline span{color:#B8641C}
.lb.tagline i{font-style:normal;color:#2F5F82}

.nav{position:absolute;left:0;right:0;top:0;z-index:3;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 16px;
  padding:calc(18px + env(safe-area-inset-top,0px)) clamp(18px,4vw,44px) 18px}
.nav-logo{font-family:var(--f-display);font-weight:600;font-size:clamp(17px,1.6vw,20px);letter-spacing:-.01em;text-decoration:none;color:#FFF6EA}
.nav-logo b,.foot-logo b{color:var(--yard);font-weight:inherit}
.nav-links{display:flex;gap:clamp(16px,2.6vw,32px);list-style:none;margin:0 0 0 auto;padding:0}
.nav-links a{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;text-decoration:none;color:#FFF6EA;opacity:.85;padding-block:15px}
.nav-links a:hover{opacity:1;text-decoration:underline;text-underline-offset:5px}
@media (max-width:380px){.nav-links{gap:12px}.nav-links a{letter-spacing:.1em}}

.cap{position:absolute;left:clamp(18px,4vw,44px);right:96px;bottom:calc(30px + env(safe-area-inset-bottom,0px));z-index:3;margin:0;
  font-size:clamp(14px,1.5vw,18px);font-weight:500;line-height:1.45;color:#FFF6EA;opacity:0;transition:opacity .4s ease;text-wrap:balance;pointer-events:none;text-shadow:0 1px 10px rgba(0,0,0,.35)}
.cap.on{opacity:.95}
.play{position:absolute;right:clamp(18px,4vw,44px);bottom:calc(22px + env(safe-area-inset-bottom,0px));z-index:3;width:44px;height:44px;border-radius:50%;
  border:1px solid rgba(255,246,234,.4);background:rgba(15,27,43,.35);color:#FFF6EA;display:grid;place-items:center;cursor:pointer;padding:0;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.play:hover{background:rgba(15,27,43,.55)}
.play svg{width:14px;height:14px;fill:currentColor}
.play svg[hidden],.play[hidden]{display:none}

/* ---------- sections ---------- */
.wrap{max-width:1120px;margin-inline:auto;padding-inline:clamp(18px,4vw,44px)}
.sec{padding-block:clamp(72px,11vw,140px)}
.sec + .sec{border-top:1px solid var(--rule)}
.eyebrow{margin:0 0 18px;font-family:var(--f-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--yard)}
.statement{margin:0;max-width:22ch;font-family:var(--f-body);font-weight:600;font-size:clamp(28px,4.6vw,52px);line-height:1.3;letter-spacing:-.02em;text-wrap:balance}
.statement em{font-style:normal;color:var(--yard)}
.title{margin:0;font-family:var(--f-body);font-weight:600;font-size:clamp(26px,3.4vw,38px);line-height:1.3;letter-spacing:-.015em}

.gloss{list-style:none;margin:clamp(44px,6vw,72px) 0 0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 clamp(28px,5vw,64px)}
@media (max-width:760px){.gloss{grid-template-columns:minmax(0,1fr)}}
.gloss li{display:flex;flex-direction:column;gap:10px;padding-block:26px;border-top:1px solid var(--rule);min-width:0}
.term{display:flex;flex-direction:column;gap:2px}
.term b{font-family:var(--f-display);font-weight:600;font-size:clamp(22px,2.4vw,28px);line-height:1.15;letter-spacing:-.015em}
.term span{font-family:var(--f-mono);font-size:12px;letter-spacing:.04em;color:var(--muted)}
.gloss p{margin:0;max-width:52ch;color:#D9D2C6}
.gloss li:nth-child(1) .term b,.gloss li:nth-child(2) .term b{color:var(--yard)}
.gloss li:nth-child(3) .term b,.gloss li:nth-child(4) .term b{color:var(--lab)}

.wm-box{margin-top:clamp(32px,5vw,56px);background:var(--stage);border:1px solid var(--rule)}
.wm-box canvas{display:block;width:100%;height:clamp(170px,30vw,320px)}
.notes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px clamp(24px,4vw,48px);margin:clamp(28px,4vw,44px) 0 0}
@media (max-width:760px){.notes{grid-template-columns:minmax(0,1fr)}}
.notes div{display:flex;flex-direction:column;gap:6px;border-top:1px solid var(--rule);padding-top:14px;min-width:0}
.notes dt{font-weight:600;font-size:17px}
.notes dd{margin:0;color:#D9D2C6;font-size:15px}

/* ---------- footer ---------- */
.foot{padding-block:56px calc(56px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--rule);background:var(--night)}
.foot .wrap{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px 28px}
.foot-logo{font-family:var(--f-display);font-weight:600;font-size:22px;letter-spacing:-.01em;text-decoration:none}
.foot-tag{margin:0;font-family:var(--f-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.foot-tag span{color:var(--yard)}
.foot-tag i{font-style:normal;color:var(--lab)}
.foot-copy{margin:0 0 0 auto;font-family:var(--f-mono);font-size:12px;color:var(--muted)}
@media (max-width:560px){.foot-copy{margin-left:0;width:100%}}