/* ============================================================
   HALDEN — a minimalist fashion house
   Style register: "Zendaya" — cool, editorial, ultra-minimal,
   taste-forward. Cinematic imagery does the talking. Dark canvas.
   Demo build for the Stack Studios portfolio.
   ============================================================ */

:root {
  --bg:       #0C0B0A;   /* near-black */
  --bg-2:     #151310;
  --bone:     #F1EEE7;   /* text on dark */
  --dim:      #A39C8F;   /* muted */
  --faint:    #6C665C;
  --line:     rgba(241,238,231,0.15);
  --line-2:   rgba(241,238,231,0.07);
  --accent:   #B99B6E;   /* muted bronze — hairlines / rare marks only */
  --sig:      var(--accent);                                  /* Stack Studios signature — the demo's own accent */
  --sig-line: color-mix(in srgb, var(--sig) 55%, transparent);

  --display: "Bodoni Moda", Georgia, "Times New Roman", serif;
  --sans:    "Archivo", system-ui, -apple-system, sans-serif;

  --maxw: 1360px;
  --gutter: clamp(20px, 4vw, 56px);
  --section: clamp(80px, 12vw, 180px);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,*::before,*::after { box-sizing:border-box; }
html { -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body {
  margin:0; background:var(--bg); color:var(--bone);
  font-family:var(--sans); font-size:16px; line-height:1.6; font-weight:400;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
img { display:block; max-width:100%; }
a { color:inherit; text-decoration:none; }
button { font:inherit; cursor:pointer; }
h1,h2,h3,h4 { margin:0; font-family:var(--display); font-weight:400; line-height:1; letter-spacing:-0.01em; }
p { margin:0; }
::selection { background:var(--bone); color:var(--bg); }

/* layout */
.wrap { max-width:var(--maxw); margin-inline:auto; padding-inline:var(--gutter); }
.section { padding-block:var(--section); }
.section-sm { padding-block: clamp(56px,8vw,110px); }
.sr-only { position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0; }
.skip-link { position:absolute;left:-999px;top:8px;z-index:200;background:var(--bone);color:var(--bg);padding:10px 16px; }
.skip-link:focus { left:8px; }

/* editorial labels — tiny wide-tracked uppercase Archivo */
.label { font-family:var(--sans); font-size:0.7rem; font-weight:500; letter-spacing:0.28em; text-transform:uppercase; color:var(--dim); }
.label-accent { color:var(--accent); }
.idx { font-family:var(--sans); font-size:0.7rem; letter-spacing:0.2em; color:var(--faint); }

/* type scale — Bodoni display */
.d-huge { font-size:clamp(3.2rem, 11vw, 12rem); line-height:0.92; letter-spacing:-0.02em; font-weight:400; }
.d-xl { font-size:clamp(2.6rem, 7vw, 6.5rem); line-height:0.98; letter-spacing:-0.015em; }
.d-l  { font-size:clamp(2rem, 4.6vw, 4rem); line-height:1.02; }
.d-m  { font-size:clamp(1.5rem, 2.6vw, 2.4rem); line-height:1.08; }
.serif-it { font-style:italic; }
.lede { font-family:var(--sans); font-size:clamp(1rem,1.4vw,1.18rem); line-height:1.6; color:var(--dim); max-width:44ch; }
.dim { color:var(--dim); }
.measure { max-width:56ch; }

:focus-visible { outline:2px solid var(--accent); outline-offset:3px; }

/* nav — thin, uppercase, fixed overlay; gains a backdrop on scroll */
.nav { position:fixed; top:0; left:0; right:0; z-index:50; transition:background .3s, border-color .3s; border-bottom:1px solid transparent; }
.nav.solid { background:color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px); border-bottom-color:var(--line-2); }
.nav-in { display:flex; align-items:center; justify-content:space-between; height:78px; }
.brand { font-family:var(--display); font-weight:400; font-size:1.5rem; letter-spacing:0.32em; text-transform:uppercase; padding-left:0.32em; }
.nav-links { display:flex; align-items:center; gap:clamp(20px,3vw,42px); list-style:none; margin:0; padding:0; }
.nav-links a { font-family:var(--sans); font-size:0.74rem; font-weight:500; letter-spacing:0.2em; text-transform:uppercase; color:var(--bone); opacity:.82; transition:opacity .2s; }
.nav-links a:hover, .nav-links a[aria-current="page"] { opacity:1; }
.nav-toggle { display:none; background:none; border:0; padding:8px; }
.nav-toggle span { display:block; width:24px; height:1px; background:var(--bone); margin:6px 0; }

/* buttons — minimal editorial */
.btn { display:inline-flex; align-items:center; gap:12px; font-family:var(--sans); font-size:0.74rem; font-weight:500; letter-spacing:0.2em; text-transform:uppercase; padding:15px 30px; border:1px solid var(--line); color:var(--bone); background:transparent; transition:background .25s, color .25s, border-color .25s, transform .1s; }
.btn:hover { background:var(--bone); color:var(--bg); border-color:var(--bone); }
.btn-solid { background:var(--bone); color:var(--bg); border-color:var(--bone); }
.btn-solid:hover { background:transparent; color:var(--bone); }
.link-u { font-family:var(--sans); font-size:0.74rem; font-weight:500; letter-spacing:0.2em; text-transform:uppercase; display:inline-flex; align-items:center; gap:10px; border-bottom:1px solid var(--line); padding-bottom:5px; transition:border-color .25s, gap .25s; }
.link-u:hover { border-color:var(--bone); gap:14px; }
.btn:active, .btn-solid:active, .nav-toggle:active, .link-u:active { transform:scale(.97); }

/* hero — full-bleed cinematic */
.hero { position:relative; min-height:100svh; display:flex; align-items:flex-end; overflow:hidden; }
.hero-img { position:absolute; inset:0; }
.hero-img img { width:100%; height:100%; object-fit:cover; object-position:50% 18%; }
.hero-img::after { content:""; position:absolute; inset:0; background:linear-gradient(180deg, rgba(12,11,10,.55) 0%, rgba(12,11,10,.15) 35%, rgba(12,11,10,.75) 100%); }
.hero-content { position:relative; z-index:2; width:100%; padding-bottom:clamp(40px,6vw,80px); }
.hero-row { display:flex; align-items:flex-end; justify-content:space-between; gap:24px; flex-wrap:wrap; }
.hero h1 { max-width:12ch; }
.hero-meta { text-align:right; }

/* editorial index bar */
.index-bar { display:flex; justify-content:space-between; align-items:center; gap:20px; padding-block:22px; border-top:1px solid var(--line); border-bottom:1px solid var(--line); flex-wrap:wrap; }

/* asymmetric collection grid */
.collection { display:grid; grid-template-columns:repeat(12,1fr); gap:clamp(16px,2.4vw,32px); align-items:end; }
.look { position:relative; overflow:hidden; }
.look img { width:100%; height:100%; object-fit:cover; transition:transform 1.2s var(--ease); }
.look:hover img { transform:scale(1.04); }
.look .cap { display:flex; justify-content:space-between; align-items:baseline; margin-top:14px; gap:12px; }
.look .cap .name { font-family:var(--display); font-size:1.3rem; }
.look-a { grid-column:1 / 7; }
.look-b { grid-column:8 / 13; margin-bottom:12vh; }
.look-c { grid-column:2 / 8; margin-top:8vh; }
.look-d { grid-column:8 / 13; }

/* split image + text */
.split { display:grid; grid-template-columns:1fr 1fr; gap:clamp(32px,5vw,90px); align-items:center; }
/* statement layout — slim label column, statement fills the rest (no empty half) */
.split.split-statement { grid-template-columns:clamp(110px,16vw,190px) minmax(0,1fr); gap:clamp(28px,4vw,64px); }
.split.split-statement .d-l { max-width:24ch; }
.split.rev .split-media { order:-1; }
.split-media img { width:100%; height:100%; object-fit:cover; }

/* full-bleed statement / campaign */
.bleed { position:relative; }
.bleed-media { aspect-ratio:16/9; overflow:hidden; }
.bleed-media img { width:100%; height:100%; object-fit:cover; }
.statement { text-align:center; max-width:20ch; margin-inline:auto; }

/* marquee-ish tagline row */
.tagrow { display:flex; align-items:center; justify-content:center; gap:clamp(20px,4vw,60px); flex-wrap:wrap; padding-block:clamp(40px,6vw,80px); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.tagrow span { font-family:var(--display); font-size:clamp(1.4rem,3vw,2.6rem); font-style:italic; color:var(--bone); }
.tagrow .dot { width:6px; height:6px; border-radius:50%; background:var(--accent); }

/* stockists / list */
.st-list { border-top:1px solid var(--line); }
.st-row { display:grid; grid-template-columns:0.5fr 1.5fr 1fr auto; gap:20px; align-items:center; padding:26px 0; border-bottom:1px solid var(--line); }
.st-row .city { font-family:var(--display); font-size:1.5rem; }
.st-row .name { font-weight:500; letter-spacing:.02em; }
.st-row .addr { color:var(--dim); font-size:0.9rem; }

/* form */
.field { display:grid; gap:8px; margin-bottom:22px; }
.field label { font-family:var(--sans); font-size:0.68rem; letter-spacing:0.2em; text-transform:uppercase; color:var(--dim); }
.field input, .field textarea, .field select { font:inherit; padding:13px 0; border:0; border-bottom:1px solid var(--line); background:transparent; color:var(--bone); }
.field input:focus, .field textarea:focus, .field select:focus { outline:0; border-color:var(--bone); }
.field select option { color:#000; }

/* footer */
.footer { border-top:1px solid var(--line); padding-block:clamp(56px,7vw,90px) 40px; }
.footer-top { display:flex; justify-content:space-between; gap:40px; flex-wrap:wrap; }
.footer .biglogo { font-family:var(--display); font-size:clamp(3rem,10vw,9rem); letter-spacing:0.06em; line-height:0.9; }
.footer-nav { display:flex; gap:clamp(30px,5vw,80px); flex-wrap:wrap; }
.footer-nav h4 { font-family:var(--sans); font-size:0.68rem; letter-spacing:0.2em; text-transform:uppercase; color:var(--faint); font-weight:500; margin-bottom:14px; }
.footer-nav a { display:block; padding:5px 0; color:var(--dim); font-size:0.9rem; }
.footer-nav a:hover { color:var(--bone); }
.footer-bot { display:flex; justify-content:space-between; align-items:center; margin-top:56px; padding-top:22px; border-top:1px solid var(--line-2); flex-wrap:wrap; gap:10px; }
.footer-bot, .footer-bot span { font-family:var(--sans); font-size:0.72rem; letter-spacing:0.1em; color:var(--faint); }
.demo-flag { border:1px solid var(--line); padding:6px 13px; text-transform:uppercase; }

/* page hero (interior) */
.page-hero { padding-top:clamp(120px,16vw,200px); }
.crumbs { font-family:var(--sans); font-size:0.7rem; letter-spacing:0.2em; text-transform:uppercase; color:var(--faint); margin-bottom:20px; }
.crumbs a:hover { color:var(--bone); }
.rule { border:0; border-top:1px solid var(--line); margin:0; }

/* ============================================================
   STACK STUDIOS SIGNATURE — recurring craft, in this demo's own
   accent (--sig). Seam hairline · one orchestrated first-load
   moment · footer mark · press feedback. Style-agnostic by design.
   ============================================================ */
.sig-kicker { display:inline-flex; align-items:center; gap:14px; }
.sig-seam   { display:inline-block; width:34px; height:1px; background:var(--sig); transform-origin:left center; flex:none; }
.sig-mask   { display:block; overflow:hidden; padding-block:.12em; margin-block:-.12em; }
.sig-rule   { display:flex; align-items:center; gap:16px; }
.sig-rule::after { content:""; flex:1; height:1px; background:var(--sig-line); }
.sig-credit  { display:inline-flex; align-items:center; gap:9px; }
.sig-emblem  { width:15px; height:15px; color:var(--sig); flex:none; }

@media (prefers-reduced-motion: no-preference){
  /* First-load choreography — pure CSS, plays on load once the inline <head>
     bootstrap adds `.js` (synchronous, before first paint). No dependency on any
     script finishing; with JS off or reduced motion the rules simply don't apply
     and all content is fully visible. Seam draws → headline rises from its mask
     → hero items stagger up. */
  .js .sig-seam      { animation:sig-draw .70s var(--ease) .12s both; }
  .js .sig-mask > h1 { animation:sig-rise .85s var(--ease) .18s both; }
  .js .sig-hero      { animation:sig-up   .60s var(--ease) both; }
  .js .sig-d1 { animation-delay:.08s; }
  .js .sig-d2 { animation-delay:.30s; }
  .js .sig-d3 { animation-delay:.40s; }
  @keyframes sig-draw { from{transform:scaleX(0);}        to{transform:scaleX(1);} }
  @keyframes sig-rise { from{transform:translateY(118%);} to{transform:translateY(0);} }
  @keyframes sig-up   { from{opacity:0;transform:translateY(20px);} to{opacity:1;transform:none;} }
}

/* reveal */
@media (prefers-reduced-motion: no-preference) {
  .js .fade { opacity:0; transform:translateY(26px); transition:opacity 1s var(--ease), transform 1s var(--ease); }
  .js .fade.in { opacity:1; transform:none; }
  .js .fade-img { clip-path:inset(0 0 100% 0); transition:clip-path 1.1s var(--ease); }
  .js .fade-img.in { clip-path:inset(0 0 0 0); }
}

/* responsive */
@media (max-width: 900px) {
  .split, .split.split-statement, .footer-top { grid-template-columns:1fr; }
  .split.split-statement .d-l { max-width:none; }
  .split.rev .split-media { order:0; }
  .collection { grid-template-columns:1fr; }
  .look-a,.look-b,.look-c,.look-d { grid-column:1 / -1; margin:0; }
  .st-row { grid-template-columns:1fr; gap:6px; }
  .st-row .city { grid-row:1; }
  .nav-links, .nav-actions { display:none; }
  .nav-toggle { display:block; }
  .nav-links.open { display:flex; position:fixed; inset:78px 0 auto 0; flex-direction:column; align-items:flex-start; gap:0; background:var(--bg); border-bottom:1px solid var(--line); padding:10px var(--gutter) 22px; z-index:60; }
  .nav-links.open li { width:100%; border-top:1px solid var(--line-2); }
  .nav-links.open a { display:block; padding:16px 0; font-size:0.9rem; }
}