/* PACKFORM — design system v2.1
   Reference: Lumson (editorial, full-bleed, giant grotesque type) */

@font-face{font-family:"Inter Tight";src:url("fonts/inter-tight-normal.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:"Instrument Serif";src:url("fonts/instrument-serif-normal.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Instrument Serif";src:url("fonts/instrument-serif-italic.woff2") format("woff2");font-weight:400;font-style:italic;font-display:swap}

:root{
  --ink:#111110; --paper:#ffffff; --soft:#f4f3ef; --line:#e4e2da;
  --accent:#0e4c46; --muted:#6f6f68;
  --sans:"Inter Tight","Helvetica Neue",Helvetica,Arial,"PingFang SC",sans-serif;
  --serif:"Instrument Serif",Georgia,"Times New Roman",serif;
  --pad:clamp(20px,4.4vw,64px);
  --gap:clamp(20px,3vw,44px);
  --sec:clamp(56px,8vw,124px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.55;font-weight:400;letter-spacing:-.005em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
::selection{background:var(--accent);color:#fff}

/* ---------- type ---------- */
.eyebrow{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);font-weight:500}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.038em}
h1{font-size:clamp(44px,7.6vw,128px);line-height:.9;text-transform:uppercase}
h2{font-size:clamp(32px,5.2vw,84px);line-height:.96}
h3{font-size:clamp(19px,1.9vw,26px);line-height:1.15;letter-spacing:-.02em}
.serif{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:0}
.small{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-weight:500}
p{margin:0}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:60;display:flex;align-items:center;justify-content:space-between;
  gap:24px;padding:18px var(--pad);background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);transition:padding .25s ease}
.nav.compact{padding:12px var(--pad)}
.logo{font-size:18px;font-weight:700;letter-spacing:.18em}
.logo span{color:var(--accent)}
.nav nav{display:flex;align-items:center;gap:clamp(16px,2.4vw,36px)}
.nav nav a{font-size:11px;letter-spacing:.15em;text-transform:uppercase;opacity:.8;transition:opacity .2s}
.nav nav a:hover{opacity:1}
.nav nav a.btn{opacity:1;color:#fff}
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--ink);color:#fff;
  font-size:11px;letter-spacing:.15em;text-transform:uppercase;padding:15px 22px;font-weight:500;
  transition:background .22s ease}
.btn:hover{background:var(--accent)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.btn.ghost:hover{background:var(--ink);color:#fff}
.btn .arw{transition:transform .25s ease}
.btn:hover .arw{transform:translateX(4px)}


/* ---------- full-bleed hero ---------- */
.hero-full{position:relative;height:calc(100svh - 60px);min-height:560px;max-height:880px;overflow:hidden;background:#111}
.hero-slides{position:absolute;inset:0}
.hero-slide{position:absolute;inset:0;margin:0;opacity:0;transition:opacity 1.1s ease}
.hero-slide.is-active{opacity:1}
.hero-fg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-scrim{position:absolute;inset:0;background:linear-gradient(90deg,rgba(244,243,239,.96) 0%,rgba(244,243,239,.9) 30%,rgba(244,243,239,.45) 48%,rgba(244,243,239,0) 64%)}
.hero-copy{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;text-align:left;padding:0 var(--pad);max-width:1180px;color:var(--ink)}
.hero-copy .eyebrow{color:var(--accent)}
.hero-copy h1{font-size:clamp(42px,6.2vw,100px);line-height:.9;margin:14px 0 18px;color:var(--ink)}
.hero-copy .lead{font-size:clamp(16px,1.45vw,20px);color:#4d4d47;max-width:54ch;line-height:1.45}
.hero-copy .btn{margin-top:26px;background:var(--ink);color:#fff;align-self:flex-start}
.hero-copy .btn:hover{background:var(--accent);color:#fff}
.hero-arrow{position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;border:1px solid rgba(17,17,16,.35);background:rgba(255,255,255,.35);color:var(--ink);font-size:22px;line-height:1;cursor:pointer;z-index:3;transition:background .2s}
.hero-arrow:hover{background:rgba(255,255,255,.85)}
.hero-arrow.prev{left:18px}
.hero-arrow.next{right:18px}
.hero-dots{position:absolute;bottom:22px;right:var(--pad);left:auto;transform:none;transform:translateX(-50%);display:flex;gap:8px;z-index:3}
.hero-dots button{width:36px;height:2px;padding:0;border:0;background:rgba(17,17,16,.25);cursor:pointer;transition:background .2s}
.hero-dots button.is-active{background:var(--ink)}
.hero-meta{position:absolute;left:var(--pad);bottom:20px;z-index:2;color:rgba(17,17,16,.45);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase}

@media(max-width:900px){
  .hero-full{height:78svh;min-height:500px}
  .hero-scrim{background:linear-gradient(180deg,rgba(244,243,239,.95) 0%,rgba(244,243,239,.75) 46%,rgba(244,243,239,.15) 72%,rgba(244,243,239,0) 88%)}
  .hero-arrow{display:none}
  .hero-meta{display:none}
  .hero-copy h1{font-size:clamp(40px,11vw,72px)}
}

/* ---------- statement ---------- */
.statement{display:grid;grid-template-columns:1.35fr .65fr;gap:var(--gap);
  padding:var(--sec) var(--pad);border-bottom:1px solid var(--line);align-items:end}
.statement p{color:var(--muted);max-width:40ch;font-size:16px}

/* ---------- materials ---------- */
.materials{border-bottom:1px solid var(--line)}
.mat{display:grid;grid-template-columns:120px 1fr;gap:var(--gap);align-items:baseline;
  padding:clamp(20px,2.6vw,34px) var(--pad);border-top:1px solid var(--line);transition:background .25s}
.mat:first-child{border-top:0}
.mat:hover{background:var(--soft)}
.mat b{font-size:clamp(26px,3.2vw,44px);letter-spacing:-.03em;font-weight:700}
.mat span{font-size:14.5px;color:var(--muted);max-width:62ch}

/* ---------- facts ---------- */
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);padding:clamp(34px,4.6vw,64px) var(--pad);border-bottom:1px solid var(--line)}
.fact b{display:block;font-size:clamp(24px,3.4vw,46px);letter-spacing:-.03em;line-height:1;margin-bottom:8px}
.fact span{font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:var(--muted)}

/* ---------- section head ---------- */
.head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  padding:var(--sec) var(--pad) clamp(18px,2.6vw,34px)}
.head .right{text-align:right;color:var(--muted);font-family:var(--serif);font-style:italic;font-size:clamp(15px,1.5vw,20px);max-width:26ch}

/* ---------- sectors ---------- */
.sectors{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;padding:0 2px}
.sector{position:relative;display:block;overflow:hidden}
.sector img{width:100%;height:clamp(320px,40vw,560px);object-fit:cover;transition:transform 1s cubic-bezier(.19,1,.22,1)}
.sector:hover img{transform:scale(1.045)}
.sector::after{content:"";position:absolute;inset:55% 0 0 0;background:linear-gradient(to top,rgba(0,0,0,.55),rgba(0,0,0,0));pointer-events:none}
.sector .idx{position:absolute;top:18px;left:20px;color:#fff;font-size:11px;letter-spacing:.16em;z-index:2;mix-blend-mode:difference}
.sector .lbl{position:absolute;left:20px;bottom:20px;z-index:2;color:#fff;font-size:clamp(22px,2.6vw,38px);line-height:1.02;letter-spacing:-.02em;font-weight:700;text-shadow:0 2px 26px rgba(0,0,0,.35)}
.sector .lbl small{display:block;font-size:11px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;opacity:.85;margin-bottom:8px}

/* ---------- formats ---------- */
.formats{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,80px);padding:0 var(--pad) var(--sec);align-items:start}
.flist{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.flist li{border-bottom:1px solid var(--line)}
.flist a{display:grid;grid-template-columns:44px 1fr auto;align-items:center;gap:14px;
  padding:clamp(18px,2.4vw,30px) 0;font-size:clamp(26px,3.6vw,46px);letter-spacing:-.03em;font-weight:700;transition:color .2s}
.flist a i{font-style:normal;font-size:11px;letter-spacing:.14em;color:var(--muted);font-weight:500}
.flist a em{font-style:normal;font-size:12px;letter-spacing:.1em;color:var(--muted);font-weight:400}
.flist a:hover{color:var(--accent)}
.flist a:hover em{color:var(--accent)}
.fview{position:sticky;top:104px}
.fview img{width:100%;height:clamp(340px,46vw,600px);object-fit:cover;background:var(--soft);transition:opacity .3s ease}
.fview .cap{display:flex;justify-content:space-between;margin-top:10px}

/* ---------- gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;padding:0 2px}
.gallery figure{margin:0;position:relative;overflow:hidden}
.gallery figure::after{content:"";position:absolute;inset:50% 0 0 0;background:linear-gradient(to top,rgba(0,0,0,.6),rgba(0,0,0,0));pointer-events:none}
.gallery img{width:100%;height:clamp(300px,34vw,480px);object-fit:cover;transition:transform 1s cubic-bezier(.19,1,.22,1)}
.gallery figure:hover img{transform:scale(1.04)}
.gallery figcaption{position:absolute;left:16px;bottom:14px;z-index:2;color:#fff;font-size:11px;letter-spacing:.14em;text-transform:uppercase;text-shadow:0 1px 14px rgba(0,0,0,.45)}
.gallery figcaption b{display:block;font-size:14px;letter-spacing:-.01em;text-transform:none;margin-bottom:3px}

/* ---------- process ---------- */
.process{padding:var(--sec) var(--pad) clamp(40px,5vw,72px)}
.plist{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);border-top:1px solid var(--ink);padding-top:18px}
.step .n{font-size:11px;letter-spacing:.16em;color:var(--muted)}
.step h3{margin:14px 0 8px}
.step p{font-size:14px;color:var(--muted);max-width:34ch}

/* ---------- contact ---------- */
.contact{background:var(--ink);color:#fff;padding:clamp(64px,9vw,150px) var(--pad)}
.contact .eyebrow{color:#9ec9c1}
.contact h2{margin:18px 0 24px;text-transform:uppercase}
.contact .grid{display:grid;grid-template-columns:1.35fr .65fr;gap:var(--gap);align-items:end}
.contact p{color:#c8c8c1;max-width:48ch;margin-bottom:32px}
.contact .send{list-style:none;margin:0;padding:0;border-top:1px solid rgba(255,255,255,.25)}
.contact .send li{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.15);font-size:13px;color:#c8c8c1}
.contact .send li b{color:#fff;font-weight:500}
.contact .note{margin-top:18px;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#9ec9c1}
.contact .btn{background:#fff;color:var(--ink)}
.contact .btn:hover{background:#9ec9c1;color:var(--ink)}
.contact .btn.alt{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.45);margin-left:10px}
.contact .btn.alt:hover{background:#fff;color:var(--ink)}

/* ---------- footer ---------- */
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:var(--gap);
  padding:clamp(40px,5vw,64px) var(--pad) 40px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.foot .mark{font-size:clamp(22px,2.6vw,34px);font-weight:700;letter-spacing:.14em;color:var(--ink)}
.foot h4{margin:0 0 10px;font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:var(--ink)}
.foot a:hover{color:var(--accent)}
.foot .bar{grid-column:1/-1;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:26px;margin-top:10px;border-top:1px solid var(--line);font-size:11px;letter-spacing:.06em}

/* ---------- motion ---------- */
.reveal{opacity:1;transform:none}
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .8s cubic-bezier(.19,1,.22,1),transform .8s cubic-bezier(.19,1,.22,1)}
.js .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.sector img,.gallery img{transition:none}}

/* ---------- sub pages ---------- */
.sub{padding:clamp(48px,7vw,110px) var(--pad) clamp(56px,8vw,110px)}
.sub h1{margin:16px 0 20px;max-width:18ch}
.sub .lede{max-width:60ch;color:var(--muted);font-size:17px}
.qa{margin-top:clamp(34px,5vw,64px);border-top:1px solid var(--ink)}
.qa details{border-bottom:1px solid var(--line);padding:clamp(18px,2.4vw,26px) 0}
.qa summary{cursor:pointer;list-style:none;font-size:clamp(18px,2.1vw,26px);letter-spacing:-.02em;font-weight:700;display:flex;justify-content:space-between;gap:24px}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:'+';font-weight:400;color:var(--muted)}
.qa details[open] summary::after{content:'–'}
.qa p{margin:14px 0 0;max-width:74ch;color:var(--muted);font-size:16px}
.back{display:inline-flex;align-items:center;gap:10px;margin-top:40px;font-size:11px;letter-spacing:.15em;text-transform:uppercase;border-bottom:1px solid var(--ink);padding-bottom:5px}

/* ---------- responsive ---------- */
@media(max-width:1000px){
  .statement{grid-template-columns:1fr}
  .contact .grid{grid-template-columns:1fr}
  .formats{grid-template-columns:1fr}
  .fview{position:static;order:-1}
  .facts{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .plist{grid-template-columns:1fr 1fr;row-gap:36px}
  .foot{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .hero-strip{grid-template-columns:1fr;gap:2px}
  .hero-strip img{height:64vw}
  .sectors{grid-template-columns:1fr}
  .sector img{height:72vw}
  .nav nav a:not(.btn){display:none}
  .nav nav .btn{padding:12px 16px}
  .head{flex-direction:column;align-items:flex-start}
  .head .right{text-align:left}
  .mat{grid-template-columns:1fr;gap:8px}
  .flist a{grid-template-columns:34px 1fr auto;font-size:24px}
  .contact .btn.alt{margin:12px 0 0}
  .foot{grid-template-columns:1fr}
}

/* factory band */
.factory-band{margin:0;padding:0 2px}
.factory-band img{width:100%;height:clamp(220px,26vw,420px);object-fit:cover}

/* logo lockup */
.logo{display:inline-flex;align-items:center;gap:10px}
.logo img{height:28px;width:auto;display:block}
.foot .mark{display:inline-flex;align-items:center;gap:10px}
.foot .mark img{height:44px;width:auto;display:block}