/* ==========================================================================
   GrapeTech — design tokens
   One accent color, one structural idea (the connection line), used sparingly.
   ========================================================================== */
:root{
  --ink:#15150f;
  --ink-soft:#4a493f;
  --paper:#f7f6f1;
  --panel:#eeece3;
  --line:#dedad0;
  --accent:#183c43;
  --accent-ink:#e5eeee;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --display: "Space Grotesk", var(--sans);
  --max: 1180px;
  --radius: 3px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden}

img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--display); font-weight:600; line-height:1.1; margin:0 0 .5em}
p{margin:0 0 1em; max-width:62ch}
.container{width:100%; max-width:var(--max); margin:0 auto; padding:0 24px}
.visually-hidden{position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap}

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
}

/* ---- header ---- */
.site-header{
  border-bottom:1px solid var(--line);
  position:sticky; top:0; background:rgba(247,246,241,.92);
  backdrop-filter:saturate(140%) blur(6px);
  z-index:50;
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  height:72px;
}
.logo{
  display:inline-flex; align-items:center; gap:9px;
  font-family:var(--display); font-weight:700; font-size:1.25rem;
  text-decoration:none; letter-spacing:-.01em;
}
.logo img{width:30px; height:30px; flex:0 0 30px; object-fit:contain}
.logo-wordmark{color:var(--ink); white-space:nowrap}
.logo-wordmark .logo-accent{color:var(--accent)}
.main-nav{display:flex; gap:28px; align-items:center}
.main-nav a{text-decoration:none; font-size:.95rem; color:var(--ink-soft)}
.main-nav a:hover{color:var(--ink)}
.nav-cta{
  display:inline-flex; align-items:center; gap:8px;
  background:var(--ink); color:var(--paper);
  padding:10px 18px; border-radius:var(--radius);
  text-decoration:none; font-size:.9rem; font-weight:500;
  white-space:nowrap;
}
.nav-cta:hover{background:var(--accent)}
.main-nav .nav-cta,
.main-nav .nav-cta:hover{color:#fff}
.nav-toggle{display:none}

@media (max-width:860px){
  .main-nav{
    position:fixed; inset:72px 0 0 0; background:var(--paper);
    flex-direction:column; align-items:flex-start; gap:0;
    padding:8px 24px 24px; transform:translateY(-8px);
    opacity:0; pointer-events:none; transition:opacity .18s ease, transform .18s ease;
    height:calc(100vh - 72px); height:calc(100dvh - 72px); overflow-y:auto;
  }
  .main-nav.is-open{opacity:1; pointer-events:auto; transform:none}
  .main-nav a{padding:14px 0; border-bottom:1px solid var(--line); width:100%}
  .main-nav .nav-cta{margin-top:16px; width:100%; justify-content:center}
  .nav-toggle{
    display:block; background:none; border:1px solid var(--line); border-radius:var(--radius);
    width:44px; height:44px; position:relative; cursor:pointer;
  }
  .nav-toggle span, .nav-toggle::before, .nav-toggle::after{
    content:""; position:absolute; left:9px; right:9px; height:2px; background:var(--ink);
  }
  .nav-toggle::before{top:16px} .nav-toggle span{top:21px} .nav-toggle::after{top:26px}
}

/* ---- hero ---- */
.hero{padding:72px 0 88px; border-bottom:1px solid var(--line)}
.hero .container{display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center}
.hero .container > *, .product-feature > *{min-width:0}
.hero-eyebrow{font-family:var(--mono); font-size:.82rem; color:var(--accent); margin-bottom:18px; letter-spacing:.02em}
.hero h1{font-size:clamp(2.2rem, 4vw, 3.4rem); max-width:14ch; letter-spacing:-.01em}
.hero p.lede{font-size:1.15rem; color:var(--ink-soft); max-width:48ch}
.hero-actions{display:flex; gap:14px; margin-top:28px; flex-wrap:wrap}
.btn{
  display:inline-flex; align-items:center; gap:8px; text-decoration:none;
  padding:13px 22px; border-radius:var(--radius); font-size:.95rem; font-weight:500;
  border:1px solid transparent;
}
.btn-primary{background:var(--accent); color:#fff}
.btn-primary:hover{background:#102b30}
.btn-secondary{border-color:var(--ink); color:var(--ink)}
.btn-secondary:hover{background:var(--ink); color:var(--paper)}

@media (max-width:860px){
  .hero .container{grid-template-columns:1fr}
  .hero{padding:44px 0 56px}
}

/* ---- system diagram (hero visual) ---- */
.diagram-frame{border:1px solid var(--line); background:var(--panel); border-radius:var(--radius); padding:20px}
.diagram-frame svg{width:100%; height:auto; display:block}
.node-label{font-family:var(--mono); font-size:11px; fill:var(--ink-soft)}
.node-core{font-family:var(--display); font-weight:700; font-size:15px; fill:var(--ink)}
.flow-line{stroke:var(--accent); stroke-width:1.4; fill:none; stroke-dasharray:4 5; opacity:.55}
@media (prefers-reduced-motion: no-preference){
  .flow-line{animation:dash 9s linear infinite}
}
@keyframes dash{to{stroke-dashoffset:-90}}

/* ---- trust bar ---- */
.trustbar{border-bottom:1px solid var(--line); padding:34px 0}
.trustbar .container{display:flex; flex-wrap:wrap; gap:40px; justify-content:space-between}
.stat{min-width:140px}
.stat .num{font-family:var(--display); font-size:1.7rem; font-weight:700; display:block}
.stat .label{font-family:var(--mono); font-size:.78rem; color:var(--ink-soft)}
.markets{font-family:var(--mono); font-size:.82rem; color:var(--ink-soft); display:flex; gap:18px; flex-wrap:wrap; align-items:center}

/* ---- sections ---- */
section.block{padding:76px 0; border-bottom:1px solid var(--line)}
section.block:last-of-type{border-bottom:none}
.block-head{max-width:640px; margin-bottom:44px}
.block-head h2{font-size:clamp(1.6rem, 2.6vw, 2.2rem)}
.block-head p{color:var(--ink-soft)}

/* pillar cards */
.pillars{display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line)}
.pillar{background:var(--paper); padding:28px 24px}
.pillar .idx{font-family:var(--mono); font-size:.8rem; color:var(--accent)}
.pillar h3{font-size:1.15rem; margin-top:10px}
.pillar p{color:var(--ink-soft); font-size:.95rem; margin-bottom:0}
@media (max-width:960px){.pillars{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.pillars{grid-template-columns:1fr}}

/* automation before/after */
.transform{display:grid; grid-template-columns:1fr auto 1fr; gap:24px; align-items:center}
.transform-col{border:1px solid var(--line); background:var(--panel); padding:24px; border-radius:var(--radius)}
.transform-col h4{font-family:var(--mono); font-size:.8rem; text-transform:none; color:var(--ink-soft); margin-bottom:14px}
.transform-col ul{margin:0; padding-left:18px; color:var(--ink-soft)}
.transform-col.after{background:var(--accent-ink); border-color:#bfd0d2}
.transform-arrow{font-family:var(--mono); color:var(--accent); font-size:1.4rem}
@media (max-width:760px){.transform{grid-template-columns:1fr}.transform-arrow{transform:rotate(90deg); justify-self:center}}

/* product feature */
.product-feature{display:grid; grid-template-columns:1fr 1fr; gap:52px; align-items:center}
.product-feature .mock{border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; background:var(--panel)}
@media (max-width:900px){.product-feature{grid-template-columns:1fr}}

/* animated work carousel */
.work-carousel{
  overflow-x:auto; overscroll-behavior-inline:contain; scrollbar-width:thin;
  background:var(--line); border:1px solid var(--line);
}
.work-track{display:flex; width:max-content}
.work-card{
  background:var(--paper); padding:30px; display:flex; flex-direction:column; gap:10px;
  width:clamp(300px,32vw,390px); min-height:245px; border-right:1px solid var(--line);
  text-decoration:none; color:var(--ink);
}
.work-card:last-child{border-right:0}
.work-card .cat{font-family:var(--mono); font-size:.76rem; color:var(--accent)}
.work-card h3{font-size:1.25rem; margin:0}
.work-card p{color:var(--ink-soft); font-size:.95rem; margin-bottom:0}
.work-card .visit{font-size:.85rem; margin-top:auto; color:var(--ink-soft)}
.work-card:hover .visit{color:var(--accent)}
.work-carousel.is-animated{overflow:hidden}
.work-carousel.is-animated .work-track{animation:work-marquee 38s linear infinite; will-change:transform}
.work-carousel.is-animated:hover .work-track,
.work-carousel.is-animated:focus-within .work-track{animation-play-state:paused}
@keyframes work-marquee{to{transform:translateX(-50%)}}
@media (max-width:760px){.work-card{width:min(82vw,340px); padding:26px; min-height:230px}}
@media (prefers-reduced-motion:reduce){
  .work-carousel.is-animated{overflow-x:auto}
  .work-carousel.is-animated .work-track{animation:none}
}

/* process */
.process{display:grid; grid-template-columns:repeat(6,1fr); gap:1px; background:var(--line); border:1px solid var(--line)}
.process-five{grid-template-columns:repeat(5,1fr)}
.process div{background:var(--paper); padding:20px 16px}
.process .idx{font-family:var(--mono); color:var(--accent); font-size:.8rem; display:block; margin-bottom:8px}
.process h4{font-size:.95rem; margin:0 0 6px}
.process p{font-size:.85rem; color:var(--ink-soft); margin:0}
@media (max-width:960px){.process{grid-template-columns:repeat(3,1fr)}}
@media (max-width:600px){.process{grid-template-columns:1fr 1fr}}

/* locations */
.locations{display:grid; grid-template-columns:repeat(4,1fr); gap:20px}
.location{border-top:2px solid var(--ink); padding-top:14px}
.location .country{font-family:var(--mono); font-size:.78rem; color:var(--accent)}
.location h4{margin:6px 0 0; font-size:1.05rem}
@media (max-width:860px){.locations{grid-template-columns:1fr 1fr}}
@media (max-width:500px){.locations{grid-template-columns:1fr}}

/* CTA band */
.cta-band{background:var(--ink); color:var(--paper); padding:76px 0; text-align:left}
.cta-band h2{color:#fff; max-width:16ch}
.cta-band p{color:#c9c6bc}
.cta-band .btn-secondary{border-color:#fff; color:#fff}
.cta-band .btn-secondary:hover{background:#fff; color:var(--ink)}

/* forms */
.field{margin-bottom:18px}
.field label{display:block; font-size:.85rem; margin-bottom:6px; color:var(--ink-soft)}
.field input, .field select, .field textarea{
  width:100%; padding:12px 14px; border:1px solid var(--line); border-radius:var(--radius);
  background:#fff; font:inherit; color:var(--ink);
}
.field-row{display:grid; grid-template-columns:1fr 1fr; gap:18px}
@media (max-width:600px){.field-row{grid-template-columns:1fr}}
.form-note{font-size:.85rem; color:var(--ink-soft)}

/* footer */
.site-footer{padding:56px 0 32px}
.footer-logo{margin-bottom:4px}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:32px}
.footer-grid h5{font-family:var(--mono); font-size:.78rem; color:var(--ink-soft); margin:0 0 14px; font-weight:400}
.footer-grid ul{list-style:none; margin:0; padding:0}
.footer-grid li{margin-bottom:10px}
.footer-grid a{text-decoration:none; font-size:.92rem}
.footer-grid a:hover{color:var(--accent)}
.footer-bottom{
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px;
  margin-top:48px; padding-top:24px; border-top:1px solid var(--line);
  font-size:.85rem; color:var(--ink-soft);
}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr 1fr}}

/* breadcrumb */
.breadcrumb{font-family:var(--mono); font-size:.8rem; color:var(--ink-soft); padding:20px 0 0}
.breadcrumb a{text-decoration:none; color:var(--ink-soft)}
.breadcrumb a:hover{color:var(--accent)}

/* page hero (inner pages) */
.page-hero{padding:36px 0 56px}
.page-hero .kicker{font-family:var(--mono); font-size:.82rem; color:var(--accent); margin-bottom:14px}
.page-hero h1{font-size:clamp(1.9rem,3.4vw,2.8rem); max-width:20ch}

@media (max-width:600px){
  .container{padding-inline:20px}
  .site-header .container{height:68px}
  .logo{font-size:1.15rem; gap:8px}
  .logo img{width:28px; height:28px; flex-basis:28px}
  .main-nav{
    inset-block-start:68px; padding-inline:20px;
    height:calc(100vh - 68px); height:calc(100dvh - 68px);
  }
  .hero{padding:42px 0 52px}
  .hero .container{gap:38px}
  .hero h1{font-size:clamp(2.05rem,10vw,2.55rem)}
  .hero p.lede{font-size:1.05rem}
  .hero-actions{flex-direction:column; align-items:stretch; gap:10px}
  .hero-actions .btn{width:100%; justify-content:center}
  .diagram-frame{padding:10px}
  .trustbar{padding:28px 0}
  .trustbar .container{gap:24px}
  section.block{padding:54px 0}
  .block-head{margin-bottom:30px}
  .product-feature{gap:34px}
  .process{grid-template-columns:1fr}
  .cta-band{padding:56px 0}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column; margin-top:36px}
}