/* ============================================================
   BG Office Furniture Indonesia — design system
   Editorial B2B manufacturing: warm paper, ink, teak amber
   ============================================================ */
:root {
  --ink: #1b1a17;
  --ink-soft: #2e2c26;
  --paper: #faf8f3;
  --sand: #f1ece1;
  --sand-2: #e9e2d3;
  --line: #ddd5c4;
  --teak: #a8692a;
  --teak-deep: #8a531d;
  --teak-soft: #f6ead7;
  --text: #33302a;
  --muted: #7a7365;
  --white: #ffffff;
  --dark: #16150f;
  --dark-2: #201e16;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(27,26,23,.06), 0 8px 24px -12px rgba(27,26,23,.18);
  --shadow-lg: 0 2px 4px rgba(27,26,23,.08), 0 24px 48px -24px rgba(27,26,23,.28);
  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --container: 1180px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.7;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--teak-deep); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--ink); font-weight: 560; line-height: 1.15; letter-spacing: -.01em; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 22px; }
section { padding: 4.5rem 0; }
.section-head { max-width: 720px; margin-bottom: 2.6rem; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-block; font-size: .78rem; font-weight: 650; letter-spacing: .14em;
  text-transform: uppercase; color: var(--teak); margin-bottom: .9rem;
}
.section-head h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); margin-bottom: .8rem; }
.section-head p { color: var(--muted); font-size: 1.02rem; }
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .85rem 1.6rem; border-radius: 10px; border: 1.5px solid var(--ink);
  font-weight: 650; font-size: .98rem; cursor: pointer; transition: all .18s ease;
  background: var(--ink); color: var(--paper);
}
.btn:hover { background: var(--teak-deep); border-color: var(--teak-deep); color: var(--white); text-decoration: none; transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--ink); }
.btn-outline:hover { background: var(--ink); color: var(--paper); }
.btn-light { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.btn-light:hover { background: var(--teak); border-color: var(--teak); color: var(--white); }
.btn-ghost-dark { background: transparent; color: var(--paper); border-color: rgba(250,248,243,.45); }
.btn-ghost-dark:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.btn-sm { padding: .6rem 1.1rem; font-size: .9rem; border-radius: 8px; }

/* ---------- top bar ---------- */
.topbar { background: var(--dark); color: #c9c3b4; font-size: .82rem; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding-top: .5rem; padding-bottom: .5rem; flex-wrap: wrap; }
.topbar a { color: #e8e2d2; }
.topbar .topbar-note { color: var(--teak); font-weight: 600; }
.topbar .topbar-right { display: flex; gap: 1.2rem; flex-wrap: wrap; }

/* ---------- header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(250,248,243,.94); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding: .9rem 0; }
.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 10px; background: var(--ink);
  display: grid; place-items: center; color: var(--paper); font-family: var(--font-display);
  font-weight: 700; font-size: 1.05rem; letter-spacing: -.02em; flex: none;
}
.brand-name { font-family: var(--font-display); font-weight: 600; font-size: 1.18rem; color: var(--ink); line-height: 1.1; }
.brand-sub { font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.nav-links { display: flex; align-items: center; gap: 1.05rem; list-style: none; }
.nav-links a { color: var(--text); font-size: .92rem; font-weight: 550; padding: .35rem 0; position: relative; white-space: nowrap; }
.nav-links a:hover { color: var(--teak-deep); text-decoration: none; }
.nav-links a.active { color: var(--teak-deep); }
.nav-links a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--teak); border-radius: 2px;
}
.nav-has-child { position: relative; }
.nav-child {
  position: absolute; top: 100%; left: -12px; min-width: 240px; background: var(--white);
  border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-lg);
  padding: .6rem; display: none; z-index: 70;
}
.nav-has-child:hover .nav-child, .nav-has-child:focus-within .nav-child { display: block; }
.nav-child a { display: block; padding: .55rem .8rem; border-radius: 8px; font-size: .92rem; color: var(--text); }
.nav-child a:hover { background: var(--sand); color: var(--teak-deep); text-decoration: none; }
.nav-actions { display: flex; align-items: center; gap: .8rem; flex: none; }
.nav-wrap { flex-wrap: nowrap; }
.nav-wrap nav { min-width: 0; }
.lang-switch {
  font-size: .82rem; font-weight: 700; color: var(--muted); border: 1.5px solid var(--line);
  border-radius: 8px; padding: .42rem .7rem; background: transparent; cursor: pointer; text-decoration: none;
}
.lang-switch:hover { border-color: var(--teak); color: var(--teak-deep); text-decoration: none; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; width: 42px; height: 42px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px auto; border-radius: 2px; transition: .2s; }

/* ---------- hero ---------- */
.hero { padding: 4.5rem 0 5rem; overflow: hidden; }
.hero .container { display: grid; grid-template-columns: 1.05fr .95fr; gap: 3.5rem; align-items: center; }
.hero h1 { font-size: clamp(2.4rem, 4.6vw, 3.7rem); margin: .6rem 0 1.2rem; }
.hero-sub { font-size: 1.1rem; color: var(--muted); margin-bottom: 1.9rem; max-width: 34em; }
.hero-ctas { display: flex; gap: .9rem; flex-wrap: wrap; margin-bottom: 1.4rem; }
.hero-note { font-size: .88rem; color: var(--muted); }
.hero-figure { position: relative; }
.hero-figure img { border-radius: var(--radius); box-shadow: var(--shadow-lg); aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.hero-badge {
  position: absolute; left: -14px; bottom: 22px; background: var(--dark); color: var(--paper);
  border-radius: 12px; padding: .9rem 1.2rem; box-shadow: var(--shadow-lg); max-width: 250px;
}
.hero-badge strong { display: block; font-family: var(--font-display); font-size: 1.3rem; color: var(--teak); }
.hero-badge span { font-size: .8rem; color: #c9c3b4; }

/* ---------- stats ---------- */
.stats-band { background: var(--dark); color: var(--paper); }
.stats-band .section-head h2 { color: var(--paper); }
.stats-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1.4rem; }
.stat { border-left: 2px solid rgba(168,105,42,.55); padding-left: 1rem; min-width: 0; overflow-wrap: break-word; }
.stat strong { display: block; font-family: var(--font-display); font-size: clamp(1.5rem, 2.6vw, 2.1rem); color: var(--teak); line-height: 1.1; overflow-wrap: break-word; }
.stat span { font-size: .84rem; color: #b8b2a2; }

/* ---------- category cards ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem; }
.cat-card {
  display: block; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease;
}
.cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); text-decoration: none; }
.cat-card img { aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.cat-card-body { padding: 1.1rem 1.2rem 1.2rem; }
.cat-card-body h3 { font-size: 1.08rem; margin-bottom: .25rem; }
.cat-card-body p { font-size: .86rem; color: var(--muted); margin-bottom: .5rem; }
.cat-card-body .card-link { font-size: .86rem; font-weight: 650; color: var(--teak-deep); }

/* ---------- editorial numbered list (why us) ---------- */
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.2rem 3.5rem; }
.why-item { display: grid; grid-template-columns: 3.2rem 1fr; gap: 1.1rem; }
.why-num { font-family: var(--font-display); font-size: 1.9rem; color: var(--teak); line-height: 1; font-weight: 600; }
.why-item h3 { font-size: 1.18rem; margin-bottom: .45rem; }
.why-item p { color: var(--muted); font-size: .97rem; }

/* ---------- dark feature band (ACFTA) ---------- */
.acfta-band { background: var(--dark-2); color: var(--paper); }
.acfta-band .section-head h2 { color: var(--paper); }
.acfta-band .section-head p { color: #b8b2a2; }
.acfta-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: start; }
.acfta-points { list-style: none; display: grid; gap: .8rem; margin-bottom: 1.8rem; }
.acfta-points li { display: flex; gap: .7rem; align-items: flex-start; color: #d8d2c0; font-size: .98rem; }
.acfta-points li::before { content: "✓"; color: var(--teak); font-weight: 800; flex: none; }
.acfta-big {
  font-family: var(--font-display); font-size: clamp(3.2rem, 7vw, 6rem); color: var(--teak); line-height: 1; font-weight: 600;
}
.acfta-big-label { color: #b8b2a2; font-size: .92rem; margin-top: .4rem; }

/* ---------- services ---------- */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.service-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.7rem 1.6rem; box-shadow: var(--shadow); }
.service-card h3 { font-size: 1.16rem; margin-bottom: .9rem; }
.service-card ul { list-style: none; display: grid; gap: .55rem; }
.service-card li { font-size: .94rem; color: var(--muted); display: flex; gap: .55rem; }
.service-card li::before { content: "—"; color: var(--teak); flex: none; }

/* ---------- case study ---------- */
.case-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 3rem; align-items: center; }
.case-photos { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.case-photos img { border-radius: 10px; aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.case-photos img:first-child { grid-column: 1 / -1; aspect-ratio: 16/8; }
.case-points { list-style: none; display: grid; gap: .7rem; margin-top: 1.4rem; }
.case-points li { display: flex; gap: .65rem; font-size: .97rem; color: var(--muted); }
.case-points li::before { content: "▸"; color: var(--teak); font-weight: 700; flex: none; }

/* ---------- blog cards ---------- */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.blog-card { display: block; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease; }
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); text-decoration: none; }
.blog-card img { aspect-ratio: 16/9; object-fit: cover; width: 100%; }
.blog-card-body { padding: 1.2rem 1.3rem 1.4rem; }
.blog-date { font-size: .78rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.blog-card h3 { font-size: 1.08rem; margin: .4rem 0; }
.blog-card p { font-size: .9rem; color: var(--muted); }

/* ---------- FAQ (native details) ---------- */
.faq-list { max-width: 860px; display: grid; gap: .8rem; }
.faq-item { background: var(--white); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.faq-item summary {
  cursor: pointer; list-style: none; padding: 1.05rem 1.3rem; font-weight: 600; color: var(--ink);
  display: flex; justify-content: space-between; align-items: center; gap: 1rem; font-size: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.4rem; color: var(--teak); font-weight: 400; transition: transform .2s; flex: none; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-a { padding: 0 1.3rem 1.2rem; color: var(--muted); font-size: .96rem; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--teak-deep); color: var(--paper); text-align: center; }
.cta-band h2 { color: var(--white); font-size: clamp(1.7rem, 3.4vw, 2.5rem); margin-bottom: .8rem; }
.cta-band p { max-width: 640px; margin: 0 auto 1.8rem; color: #f3e6d3; }
.cta-band .hero-ctas { justify-content: center; margin-bottom: 0; }

/* ---------- footer ---------- */
.site-footer { background: var(--dark); color: #a8a292; font-size: .9rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 2.5rem; padding: 4rem 0 2.5rem; }
.site-footer h4 { color: var(--paper); font-family: var(--font-body); font-size: .8rem; text-transform: uppercase; letter-spacing: .12em; margin-bottom: 1.1rem; font-weight: 650; }
.site-footer a { color: #a8a292; }
.site-footer a:hover { color: var(--teak); text-decoration: none; }
.footer-about p { margin-bottom: 1.1rem; }
.footer-links { list-style: none; display: grid; gap: .55rem; }
.footer-bottom { border-top: 1px solid rgba(250,248,243,.1); padding: 1.3rem 0; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: .82rem; color: #6f6a5e; }
.footer-socials { display: flex; gap: .9rem; }
.social-icons { display: flex; gap: .55rem; flex-wrap: wrap; }
.social-icons a {
  width: 34px; height: 34px; border-radius: 50%; display: inline-grid; place-items: center;
  border: 1px solid rgba(250,248,243,.22); color: #cfc9ba; transition: all .18s ease;
}
.social-icons a:hover { background: var(--teak); border-color: var(--teak); color: var(--white); text-decoration: none; transform: translateY(-2px); }
.social-icons svg { width: 15px; height: 15px; fill: currentColor; }
.topbar-socials { display: flex; gap: .35rem; align-items: center; }
.topbar-socials a {
  width: 24px; height: 24px; border-radius: 50%; display: inline-grid; place-items: center;
  color: #b8b2a2; transition: all .15s ease;
}
.topbar-socials a:hover { color: var(--teak); background: rgba(250,248,243,.08); text-decoration: none; }
.topbar-socials svg { width: 13px; height: 13px; fill: currentColor; }

/* ---------- inner page hero ---------- */
.page-hero { background: var(--sand); border-bottom: 1px solid var(--line); padding: 3.4rem 0 3.2rem; }
.page-hero h1 { font-size: clamp(2rem, 4vw, 3rem); margin: .5rem 0 1rem; }
.page-hero .lead { color: var(--muted); font-size: 1.06rem; max-width: 46em; }
.breadcrumbs { font-size: .82rem; color: var(--muted); display: flex; flex-wrap: wrap; gap: .4rem; }
.breadcrumbs a { color: var(--muted); }
.breadcrumbs a:hover { color: var(--teak-deep); }
.breadcrumbs .sep { color: var(--line); }

/* ---------- prose ---------- */
.prose { max-width: 780px; }
.prose h2 { font-size: 1.55rem; margin: 2.4rem 0 1rem; }
.prose h3 { font-size: 1.2rem; margin: 1.8rem 0 .7rem; }
.prose p { margin-bottom: 1.1rem; color: var(--text); }
.prose ul, .prose ol { margin: 0 0 1.3rem 1.4rem; }
.prose li { margin-bottom: .45rem; }
.prose strong { color: var(--ink); }

/* ---------- data tables ---------- */
.data-table { width: 100%; border-collapse: collapse; background: var(--white); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; font-size: .94rem; }
.data-table th { background: var(--dark); color: var(--paper); text-align: left; padding: .85rem 1.1rem; font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; }
.data-table td { padding: .8rem 1.1rem; border-top: 1px solid var(--line); vertical-align: top; }
.data-table tr:nth-child(even) td { background: var(--sand); }
.data-table td:first-child { font-weight: 650; color: var(--ink); width: 38%; }

/* ---------- product cards ---------- */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.product-card {
  display: flex; flex-direction: column; background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); text-decoration: none; }
.product-card img { aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.product-card-body { padding: 1.15rem 1.25rem 1.3rem; display: flex; flex-direction: column; gap: .35rem; flex: 1; }
.model-tag { font-size: .74rem; font-weight: 700; letter-spacing: .1em; color: var(--teak); text-transform: uppercase; }
.product-card h3 { font-size: 1.05rem; }
.product-card p { font-size: .88rem; color: var(--muted); flex: 1; }
.product-card .card-link { font-size: .88rem; font-weight: 650; color: var(--teak-deep); margin-top: .6rem; }

/* ---------- product detail ---------- */
.pd-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 3rem; align-items: start; }
.pd-gallery img { border-radius: var(--radius); width: 100%; aspect-ratio: 4/3; object-fit: cover; box-shadow: var(--shadow); }
.pd-thumbs { display: grid; grid-template-columns: repeat(3, 1fr); gap: .7rem; margin-top: .8rem; }
.pd-thumbs img { aspect-ratio: 4/3; object-fit: cover; border-radius: 8px; cursor: pointer; opacity: .82; transition: opacity .15s; }
.pd-thumbs img:hover { opacity: 1; }
.pd-info h1 { font-size: clamp(1.8rem, 3.4vw, 2.5rem); margin: .4rem 0 .7rem; }
.pd-model { font-size: .8rem; font-weight: 700; letter-spacing: .12em; color: var(--teak); text-transform: uppercase; }
.pd-short { color: var(--muted); margin-bottom: 1.4rem; font-size: 1.03rem; }
.pd-cta { display: flex; gap: .8rem; flex-wrap: wrap; margin: 1.4rem 0 .9rem; }
.pd-meta { font-size: .86rem; color: var(--muted); }
.pd-colors { margin: 1.2rem 0 .2rem; }
.pd-label { display: block; font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: .55rem; }
.pd-swatches { display: flex; gap: .55rem; flex-wrap: wrap; }
.pd-swatch {
  width: 44px; height: 44px; border-radius: 50%; border: 2px solid var(--line); cursor: pointer;
  background: var(--sw, #ccc); display: grid; place-items: center; padding: 0; transition: all .15s ease;
  position: relative;
}
.pd-swatch span {
  font-size: .62rem; font-weight: 800; letter-spacing: .02em; color: #fff;
  text-shadow: 0 1px 2px rgba(0,0,0,.55); background: rgba(0,0,0,.28);
  border-radius: 6px; padding: 1px 4px;
}
.pd-swatch:hover { transform: translateY(-2px); border-color: var(--teak); }
.pd-swatch.active { border-color: var(--teak-deep); box-shadow: 0 0 0 3px var(--teak-soft); transform: translateY(-2px); }
.pd-color-name { font-size: .88rem; color: var(--muted); margin-top: .6rem; font-weight: 600; color: var(--ink); }
.acc-list { list-style: none; display: grid; gap: .6rem; }
.acc-list li { display: flex; gap: .6rem; align-items: baseline; font-size: .96rem; color: var(--text); background: var(--white); border: 1px solid var(--line); border-radius: 10px; padding: .55rem .9rem; }
.acc-list li::before { content: "▸"; color: var(--teak); font-weight: 700; flex: none; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: start; }
.channel-list { display: grid; gap: .9rem; }
.channel { display: flex; gap: 1rem; align-items: flex-start; background: var(--white); border: 1px solid var(--line); border-radius: 12px; padding: 1.1rem 1.2rem; }
.channel strong { display: block; font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.channel a { font-size: 1.05rem; font-weight: 650; color: var(--ink); }
.channel p { font-size: .86rem; color: var(--muted); }
.contact-form { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow); }
.contact-form h2 { margin-bottom: .5rem; }
.form-note { font-size: .86rem; color: var(--muted); margin-bottom: 1.4rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-grid .full { grid-column: 1 / -1; }
.contact-form label { display: block; font-size: .84rem; font-weight: 650; color: var(--ink); margin-bottom: .35rem; }
.contact-form input, .contact-form textarea, .contact-form select {
  width: 100%; padding: .75rem .9rem; border: 1.5px solid var(--line); border-radius: 9px;
  font-family: var(--font-body); font-size: .96rem; background: var(--paper); color: var(--text); transition: border-color .15s;
}
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus { outline: none; border-color: var(--teak); background: var(--white); }
.contact-form textarea { min-height: 130px; resize: vertical; }
.form-alt { margin-top: .9rem; font-size: .86rem; color: var(--muted); }

/* ---------- page intro / misc ---------- */
.intro-block { max-width: 820px; margin-bottom: 2.8rem; }
.intro-block p { color: var(--muted); font-size: 1.05rem; }
.direct-answer {
  background: var(--teak-soft); border-left: 3px solid var(--teak); border-radius: 0 12px 12px 0;
  padding: 1.3rem 1.5rem; font-size: 1.02rem; color: var(--ink); margin-bottom: 2.4rem;
}
.direct-answer strong { color: var(--teak-deep); }
.updated-note { font-size: .8rem; color: var(--muted); margin-top: 1rem; }
.process-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; }
.process-item { background: var(--white); border: 1px solid var(--line); border-radius: 12px; padding: 1.2rem 1.3rem; }
.process-item h3 { font-size: 1.02rem; margin-bottom: .4rem; color: var(--teak-deep); }
.process-item p { font-size: .93rem; color: var(--muted); }
.evidence-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.evidence-grid img { border-radius: 10px; aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }

/* ---------- 404 ---------- */
.error-hero { text-align: center; padding: 7rem 0; }
.error-hero h1 { font-size: clamp(3rem, 8vw, 6rem); color: var(--teak); }
.error-hero p { color: var(--muted); margin: 1rem auto 2rem; max-width: 34em; }

/* ---------- responsive ---------- */
@media (max-width: 1440px) {
  .brand-sub { display: none; }
  .nav-links { gap: .9rem; }
  .nav-links a { font-size: .88rem; }
}
@media (max-width: 1300px) {
  .nav-links {
    display: none; position: fixed; inset: 0; background: var(--paper); flex-direction: column;
    justify-content: flex-start; align-items: flex-start; gap: 0; padding: 5.5rem 1.6rem 2rem; z-index: 55; overflow-y: auto;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; border-bottom: 1px solid var(--line); }
  .nav-links > li > a { display: block; padding: 1rem 0; font-size: 1.1rem; }
  .nav-child { position: static; box-shadow: none; border: 0; padding: 0 0 .6rem 1rem; min-width: 0; }
  .nav-has-child:hover .nav-child { display: none; }
  .nav-has-child.open .nav-child { display: block; }
  .nav-toggle { display: block; }
  .nav-actions .btn { display: none; }
}
@media (max-width: 1020px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
  .service-grid { grid-template-columns: 1fr; }
  .hero .container, .acfta-grid, .case-grid, .pd-grid, .contact-grid, .two-col { grid-template-columns: 1fr; }
  .hero { padding: 3rem 0 3.5rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .product-grid { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid, .evidence-grid, .blog-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .topbar-note { display: none; }
  .topbar-right span:last-child { display: none; }
  section { padding: 3.2rem 0; }
}
@media (max-width: 640px) {
  .stats-grid { grid-template-columns: 1fr; gap: 1rem; }
  .stat { display: grid; grid-template-columns: 120px 1fr; align-items: baseline; }
  .stat span { font-size: .82rem; }
}
@media (max-width: 400px) {
  .hero-badge { left: 8px; right: 8px; bottom: 12px; max-width: none; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
}

/* ---------- motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}