/* ===== Holdstrōm website — mobile-first, built on the design-system tokens ===== */
@import url("https://fonts.googleapis.com/css2?family=Spectral:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400;1,500&family=Hanken+Grotesk:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap");

:root{
  --paper:#F4F0E8; --ink:#211C16; --ink-2:#191510;
  --patina:#4A4137; --patina-muted:#8C8068;
  --ink-ground:#17191A;
  --line:#D7CEBE; --line-soft:#E4DCCD;
  --oxblood:#7A2B2B; --cedar:#C9A06A;
  --imgbg:#E9E7E2; --tile:#EAE6DD;
  --bone-70:rgba(244,240,232,0.72); --bone-50:rgba(244,240,232,0.52); --bone-line:rgba(244,240,232,0.16);
  --font-display:'Spectral',Georgia,serif;
  --font-body:'Hanken Grotesk',system-ui,sans-serif;
  --font-mono:'IBM Plex Mono',ui-monospace,monospace;
  --mx:22px;            /* page edge — mobile */
  --maxw:1180px;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0; background:var(--paper); color:var(--ink);
  font-family:var(--font-body); font-weight:400;
  line-height:1.6; -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block; max-width:100%;}
a{color:inherit; text-decoration:none;}
em{font-style:italic;}
.kw{font-style:normal;}

/* ---- shell ---- */
.wrap{max-width:var(--maxw); margin:0 auto; padding-inline:var(--mx);}

/* ---- wordmark ---- */
.wm{font-family:var(--font-display); font-weight:600; text-transform:uppercase; letter-spacing:0.18em;}
.ox-o{color:inherit;}

/* ================= HEADER ================= */
.nav{
  position:sticky; top:0; z-index:50;
  background:var(--ink-ground); color:var(--paper);
}
.nav-inner{
  max-width:var(--maxw); margin:0 auto; padding:0 var(--mx);
  height:56px; display:flex; align-items:center; justify-content:space-between;
}
.nav-brand{font-family:var(--font-display); font-weight:600; text-transform:uppercase; letter-spacing:0.16em; font-size:16px; color:var(--paper);}
.nav-links{display:none;}
.nav-toggle{
  appearance:none; background:none; border:0; padding:8px; margin:-8px;
  color:var(--paper); cursor:pointer; display:flex; align-items:center;
}
.nav-toggle svg{width:24px; height:24px;}
.nav-panel{
  display:none; background:var(--ink-ground); border-top:1px solid var(--bone-line);
}
.nav-panel.open{display:block;}
.nav-panel a{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px var(--mx); min-height:52px;
  color:var(--bone-70); border-bottom:1px solid var(--bone-line);
  font-size:15px; letter-spacing:0.01em;
}
.nav-panel a .ix{font-family:var(--font-mono); font-size:11px; color:var(--bone-50); letter-spacing:0.08em;}
.nav-panel a[aria-current="page"]{color:var(--paper);}

/* ================= HERO ================= */
.hero{position:relative; min-height:60vh; display:flex; align-items:flex-end; overflow:hidden; background:var(--ink-ground);}
.hero-img{position:absolute; inset:0; width:100%; height:100%; object-fit:cover; object-position:14% 50%;}
.hero::after{content:""; position:absolute; inset:0; background:linear-gradient(180deg,rgba(10,11,12,0.30) 0%,rgba(10,11,12,0) 32%,rgba(10,11,12,0.18) 60%,rgba(10,11,12,0.74) 100%);}
.hero-content{position:relative; z-index:2; width:100%; max-width:var(--maxw); margin:0 auto; padding:0 var(--mx) 40px;}
.hero h1{
  font-family:var(--font-display); font-weight:400; color:#fff;
  font-size:clamp(40px,10vw,74px); line-height:1.0; letter-spacing:-0.015em; margin:0;
}
.hero .sub{
  font-family:var(--font-display); font-style:italic; font-weight:300;
  color:rgba(255,255,255,0.86); font-size:clamp(17px,4.6vw,24px); margin:14px 0 0;
}
.hero .desc{
  font-family:var(--font-body); text-transform:uppercase; letter-spacing:0.18em;
  font-size:11px; color:rgba(255,255,255,0.72); margin-top:22px;
}

/* ================= SECTIONS ================= */
section{padding-block:var(--sec,56px);}
.eyebrow{font-family:var(--font-body); font-weight:600; text-transform:uppercase; letter-spacing:0.18em; font-size:11px; color:var(--patina-muted); margin:0 0 18px;}
.serif{font-family:var(--font-display); font-weight:400; letter-spacing:-0.01em; line-height:1.08; font-size:clamp(28px,7.5vw,46px); margin:0;}
.serif em{color:var(--oxblood);}
.lead{font-size:clamp(16px,4.4vw,19px); line-height:1.55; color:var(--patina); max-width:60ch; margin:18px 0 0;}
.prose p{font-size:16px; line-height:1.66; color:var(--patina); max-width:62ch;}
.prose p+p{margin-top:18px;}
.pull{font-family:var(--font-display); font-style:italic; font-size:clamp(18px,5vw,22px); color:var(--ink); line-height:1.45; margin:24px 0 0;}
.rule{height:1px; background:var(--line); border:0; margin:0;}
.bone-soft{background:#EFEAE0;}

/* ================= FAMILY / PRODUCT CARDS ================= */
.cards{display:grid; grid-template-columns:1fr; gap:34px; margin-top:36px;}
.card-fig{display:block;}
.card-fig .tile{background:var(--imgbg); overflow:hidden; aspect-ratio:1/1;}
.card-fig .tile img{width:100%; height:100%; object-fit:cover; transition:transform .6s cubic-bezier(.2,.6,.2,1);}
.card-fig:hover .tile img{transform:scale(1.03);}
.card-name{font-family:var(--font-body); font-weight:500; font-size:21px; margin:14px 0 0;}
.card-desc{font-size:14.5px; line-height:1.4; color:var(--patina); margin:6px 0 0; max-width:42ch;}
.card-meta{font-family:var(--font-mono); font-size:12px; letter-spacing:0.06em; color:var(--patina-muted); margin-top:10px;}

/* ================= CTA / LINK ================= */
.btn{
  display:inline-flex; align-items:center; gap:10px; min-height:48px;
  padding:0 26px; font-family:var(--font-body); font-weight:500; font-size:15px;
  letter-spacing:0.01em; border:1px solid var(--ink); color:var(--ink); background:none;
  cursor:pointer; transition:background .2s,color .2s;
}
.btn:hover{background:var(--ink); color:var(--paper);}
.btn-light{border-color:rgba(244,240,232,0.5); color:var(--paper);}
.btn-light:hover{background:var(--paper); color:var(--ink); border-color:var(--paper);}
.btn-ox{border-color:var(--oxblood); color:var(--paper); background:var(--oxblood);}
.btn-ox:hover{background:#642121; border-color:#642121;}
.txtlink{display:inline-flex; align-items:center; gap:8px; font-weight:500; font-size:15px; border-bottom:1px solid var(--line); padding-bottom:3px;}
.txtlink:hover{border-color:var(--ink);}
.arrow{width:16px; height:16px; flex:none;}

/* ================= FEATURE CLAIMS ================= */
.feat{display:grid; grid-template-columns:1fr; gap:34px; margin-top:38px;}
.feat .num{font-family:var(--font-mono); font-size:12px; color:var(--oxblood); letter-spacing:0.1em;}
.feat h3{font-family:var(--font-body); font-weight:500; font-size:18px; line-height:1.25; margin:10px 0 8px;}

:root{--fig:340px;}
/* quiet line-diagram plates (from the catalogue) */
.plate-tile{background:var(--imgbg); aspect-ratio:1/1; padding:0; margin-bottom:16px; overflow:hidden; max-width:var(--fig);}
.plate{width:100%; height:100%; display:block;}
.plate .pl-ink{fill:none; stroke:var(--ink); stroke-width:3; stroke-linecap:round;}
.plate .pl-ox{fill:none; stroke:var(--oxblood); stroke-width:3; stroke-linecap:round;}
.plate text{font-family:var(--font-mono); font-size:22px; letter-spacing:0.16em; fill:var(--patina-muted);}
.plate .pl-oxt{fill:var(--oxblood);}

/* compact inline diagrams for feature points */
.iplate{background:var(--imgbg); aspect-ratio:1/1; overflow:hidden; max-width:var(--fig); margin-bottom:14px;}
.iplate svg{width:100%; height:100%; display:block;}
.iplate .pl-ink{fill:none; stroke:var(--ink); stroke-width:5; stroke-linecap:round; stroke-linejoin:round;}
.iplate .pl-ox{fill:none; stroke:var(--oxblood); stroke-width:5; stroke-linecap:round; stroke-linejoin:round;}

/* unified figure size for photos + diagrams */
.diff-photo .tile{background:var(--imgbg); aspect-ratio:1/1; overflow:hidden; max-width:var(--fig);}
.diff-photo .tile img{width:100%; height:100%; object-fit:cover;}
.head-split{align-items:center;}
.head-split .diff-photo{margin-bottom:24px;}
@media(min-width:900px){ .head-split .diff-photo{margin-bottom:0;} }
.feat p{font-size:14.5px; line-height:1.55; color:var(--patina); margin:0; max-width:46ch;}
.feat .avail{display:inline-block; margin-top:10px; font-family:var(--font-mono); font-size:11px; letter-spacing:0.04em; color:var(--patina-muted);}

/* ================= SPEC TABLE ================= */
.spectable{background:var(--imgbg); padding:24px; margin-top:28px;}
.spectable table{width:100%; border-collapse:collapse; font-family:var(--font-mono);}
.spectable th{
  text-align:left; font-family:var(--font-body); font-weight:600; text-transform:uppercase;
  letter-spacing:0.1em; font-size:10.5px; color:var(--patina-muted);
  padding:0 14px 12px 0; border-bottom:1px solid var(--line);
}
.spectable td{font-size:13.5px; color:var(--ink); padding:12px 14px 12px 0; border-bottom:1px solid rgba(33,28,22,0.08); letter-spacing:0.01em; vertical-align:top;}
.spectable tr:last-child td{border-bottom:0;}
.spectable td.v{color:var(--ink); font-weight:500;}
.footnote{font-size:12px; line-height:1.5; color:var(--patina-muted); margin:14px 0 0; max-width:64ch;}

/* spec key/value list (rail style) */
.speclist{margin-top:28px; border-top:1px solid var(--line);}
.speclist .row{display:flex; flex-direction:column; gap:2px; padding:12px 0; border-bottom:1px solid var(--line-soft);}
.speclist .val{font-family:var(--font-mono); font-size:14px; color:var(--ink);}
.speclist .key{font-family:var(--font-mono); font-size:10px; text-transform:uppercase; letter-spacing:0.14em; color:var(--patina-muted);}

/* ================= HIGHLIGHTS LIST ================= */
.hl{margin:24px 0 0; padding:0; list-style:none; border-top:1px solid var(--line-soft);}
.hl li{padding:11px 0; border-bottom:1px solid var(--line-soft); font-size:15px; color:var(--patina);}
.hl li.head{font-weight:600; color:var(--ink); font-size:13px;}

/* ================= COMPARE ================= */
.compare-wrap{overflow-x:auto; margin-top:32px; -webkit-overflow-scrolling:touch;}
.compare{width:100%; min-width:560px; border-collapse:collapse;}
.compare th,.compare td{text-align:left; padding:11px 14px 11px 0; border-bottom:1px solid var(--line-soft); font-size:13.5px; vertical-align:top;}
.compare thead th{border-bottom:1px solid var(--line);}
.compare .lname{display:block; font-family:var(--font-body); font-weight:500; font-size:16px;}
.compare .lrole{display:block; font-size:12px; color:var(--patina-muted); margin-top:2px;}
.compare td.lab{color:var(--patina); font-size:13px;}
.compare .val{font-family:var(--font-mono); font-size:12.5px; color:var(--ink);}
.compare .dot{display:inline-block; width:7px; height:7px; border-radius:50%; background:var(--oxblood);}
.compare .dash{color:var(--patina-muted);}

/* ================= PRODUCT HERO (interior pages) ================= */
.phero{position:relative; background:var(--ink-ground); color:var(--paper); overflow:hidden;}
.phero-img{width:100%; aspect-ratio:4/5; object-fit:cover;}
.phero-body{padding:34px var(--mx) 8px;}
.phero .name{font-family:var(--font-body); font-weight:500; font-size:clamp(30px,9vw,46px); letter-spacing:-0.01em; margin:0;}
.phero .tag{font-family:var(--font-display); font-style:normal; font-weight:400; font-size:clamp(26px,7vw,40px); line-height:1.08; letter-spacing:-0.01em; color:var(--paper); margin:12px 0 0;}
.phero .tag em{font-style:italic; color:var(--cedar);}
.phero .blurb{color:var(--bone-70); font-size:16px; line-height:1.55; margin:16px 0 0; max-width:52ch;}

/* page intro band */
.page-head{padding-block:38px 8px;}
.crumbs{font-family:var(--font-mono); font-size:11px; letter-spacing:0.06em; color:var(--patina-muted); margin-bottom:18px; display:flex; gap:8px; flex-wrap:wrap;}
.crumbs a:hover{color:var(--ink);}

/* sizes grid */
.product-layout > div + div{margin-top:42px;}
.sizes{display:grid; grid-template-columns:repeat(2,1fr); gap:var(--gut,16px); margin-top:30px;}
.size .tile{background:var(--imgbg); aspect-ratio:1/1; overflow:hidden;}
.size .tile img{width:100%; height:100%; object-fit:cover;}
.size .vol{font-family:var(--font-body); font-weight:500; font-size:16px; margin-top:9px;}

/* ================= CONTACT ================= */
.contact{background:var(--ink-ground); color:var(--paper);}
.contact .serif em{color:var(--cedar);}
.contact-grid{display:grid; grid-template-columns:1fr; gap:0; margin-top:30px; border-top:1px solid var(--bone-line);}
.contact-row{display:flex; flex-direction:column; gap:4px; padding:18px 0; border-bottom:1px solid var(--bone-line);}
.contact-row .lbl{font-family:var(--font-body); text-transform:uppercase; letter-spacing:0.16em; font-size:10.5px; color:var(--bone-50);}
.contact-row .reveal{
  appearance:none; background:none; border:0; padding:0; cursor:pointer; text-align:left;
  font-family:var(--font-mono); font-size:16px; color:var(--cedar); letter-spacing:0.02em;
  border-bottom:1px dashed rgba(201,160,106,0.5); align-self:flex-start; padding-bottom:2px;
}
.contact-row a.val, .contact-row .val{font-family:var(--font-mono); font-size:16px; color:var(--paper); letter-spacing:0.01em;}
.contact-row a.val{border-bottom:1px solid var(--bone-line); align-self:flex-start; padding-bottom:2px;}

/* ================= FOOTER ================= */
.foot{background:var(--ink-ground); color:var(--bone-70); border-top:1px solid var(--bone-line);}
.foot-inner{max-width:var(--maxw); margin:0 auto; padding:40px var(--mx); display:flex; flex-direction:column; gap:26px;}
.foot-brand{font-family:var(--font-display); font-weight:600; text-transform:uppercase; letter-spacing:0.16em; font-size:18px; color:var(--paper);}
.foot-nav{display:flex; flex-direction:column; gap:12px;}
.foot-nav a{color:var(--bone-70); font-size:14px;}
.foot-nav a:hover{color:var(--paper);}
.foot-fine{font-family:var(--font-body); text-transform:uppercase; letter-spacing:0.14em; font-size:10px; color:var(--bone-50); line-height:1.8;}

/* reveal on scroll */
.reveal-up{opacity:0; transform:translateY(16px); transition:opacity .7s ease, transform .7s cubic-bezier(.2,.6,.2,1);}
.reveal-up.in{opacity:1; transform:none;}
@media (prefers-reduced-motion:reduce){.reveal-up{opacity:1; transform:none; transition:none;} .card-fig .tile img{transition:none;}}

/* ============================================================= */
/* ===================== TABLET / DESKTOP ====================== */
/* ============================================================= */
@media (min-width:680px){
  :root{--mx:40px;}
  section{--sec:84px;}
  .cards{grid-template-columns:repeat(3,1fr); gap:24px;}
  .feat{grid-template-columns:repeat(3,1fr); gap:30px;}
  .sizes{grid-template-columns:repeat(3,1fr);}
  .contact-grid{grid-template-columns:repeat(3,1fr); gap:0 40px;}
  .contact-row{border-bottom:0;}
}
@media (min-width:900px){
  :root{--mx:56px;}
  section{--sec:104px;}
  .nav-toggle{display:none;}
  .nav-links{display:flex; align-items:center; gap:30px;}
  .nav-links a{font-size:13.5px; letter-spacing:0.02em; color:var(--bone-70); text-transform:none;}
  .nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--paper);}
  .nav-panel{display:none !important;}

  .hero{min-height:86vh;}
  .hero-img{object-position:55% 50%;}
  .hero-content{padding-bottom:56px;}

  /* two-column editorial rows */
  .split{display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center;}
  .split.rail{grid-template-columns:1fr 2fr; gap:56px; align-items:start;}
  .feat{grid-template-columns:repeat(3,1fr);}

  .phero{display:grid; grid-template-columns:1fr 1fr; align-items:stretch;}
  .phero-img{height:100%; aspect-ratio:auto; min-height:560px;}
  .phero-body{display:flex; flex-direction:column; justify-content:center; padding:64px 56px;}

  .product-layout{display:grid; grid-template-columns:1fr 2fr; gap:56px; align-items:start;}
  .product-layout > div + div{margin-top:0;}
  .foot-inner{flex-direction:row; justify-content:space-between; align-items:flex-start;}
  .foot-nav{flex-direction:row; gap:34px;}
}
@media (min-width:1100px){
  .sizes{grid-template-columns:repeat(4,1fr);}
}