/* TechspanQA — shared styles. Plain CSS, no build step. */
:root {
  --ink: #2D2926;
  --ink-soft: #5b544d;
  --bronze: #A79576;
  --bronze-d: #70614A;
  --cream: #E6DCCF;
  --mist: #F8F5EF;
  --line: #E9E2D6;
  --paper: #ffffff;
  --font: "Albert Sans", "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --maxw: 1180px;
  --gutter: max(20px, 4vw);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--font); font-size: 17px; line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--bronze); outline-offset: 3px; border-radius: 4px; }
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); }
section[id] { scroll-margin-top: 84px; }

/* ---------- type ---------- */
h1, h2, h3 { font-weight: 500; letter-spacing: -0.02em; line-height: 1.08; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(2.5rem, 5.6vw, 4.6rem); font-weight: 400; }
h1 strong { font-weight: 600; color: var(--bronze-d); }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.9rem); }
h3 { font-size: 1.3rem; letter-spacing: -0.01em; line-height: 1.2; }
p { margin: 0; }
.eyebrow {
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--bronze-d); display: inline-flex; align-items: center; gap: 12px;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--bronze); }
.lead { font-size: clamp(1.08rem, 1.5vw, 1.28rem); color: var(--ink-soft); max-width: 58ch; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px; text-decoration: none; cursor: pointer;
  font: 600 0.98rem/1 var(--font); padding: 16px 26px; border-radius: 999px; border: 1.5px solid transparent;
  transition: background .25s, color .25s, border-color .25s, transform .25s;
}
.btn-primary { background: var(--bronze-d); color: #fff; }
.btn-primary:hover { background: var(--ink); transform: translateY(-1px); }
.btn-ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--ink); color: #fff; }
.btn .arrow { transition: transform .25s; }
.btn:hover .arrow { transform: translateX(4px); }
.link-arrow { font-weight: 600; text-decoration: none; border-bottom: 1.5px solid var(--bronze); padding-bottom: 2px; }
.link-arrow:hover { color: var(--bronze-d); }

/* ---------- header ---------- */
.topbar { background: var(--ink); color: var(--cream); font-size: 0.86rem; }
.topbar .wrap { display: flex; justify-content: space-between; gap: 16px; padding-block: 9px; flex-wrap: wrap; }
.topbar a { text-decoration: none; }
.topbar a:hover { color: #fff; }
.topbar .contact { display: flex; gap: 22px; flex-wrap: wrap; }
.topbar .tag { color: var(--bronze); font-family: var(--mono); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.94); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 600; font-size: 1.28rem; letter-spacing: -0.01em; }
.brand img { width: 40px; height: 40px; object-fit: contain; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav a { text-decoration: none; font-size: 0.96rem; font-weight: 500; color: var(--ink); position: relative; }
.nav a:not(.btn)::after { content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0; background: var(--bronze); transition: width .25s; }
.nav a:not(.btn):hover::after, .nav a[aria-current="page"]::after { width: 100%; }
.nav .btn { padding: 12px 22px; font-size: .92rem; color: #fff; }
.menu-btn { display: none; background: none; border: 1.5px solid var(--line); border-radius: 10px; padding: 9px 12px; cursor: pointer; color: var(--ink); font: 600 .9rem var(--font); }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; background: #fff; }
.hero::before { /* sweeping cream arc echoing the logo */
  content: ""; position: absolute; left: -8%; top: -30%; width: 120%; height: 120%;
  background: radial-gradient(120% 90% at 0% 0%, var(--cream) 0%, rgba(230,220,207,.55) 32%, rgba(255,255,255,0) 58%);
  clip-path: ellipse(70% 62% at 0% 0%); opacity: .75; pointer-events: none;
}
.hero .wrap { position: relative; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 40px; align-items: center; padding-block: clamp(48px, 8vw, 104px); }
.hero h1 { margin: 22px 0 24px; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-top: 34px; }
.globe-box { position: relative; aspect-ratio: 1; width: 100%; max-width: 560px; justify-self: end; }
.globe-box canvas { width: 100%; height: 100%; display: block; }
.globe-caption { position: absolute; left: 4%; bottom: 3%; font-family: var(--mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--bronze-d); }
.segments { border-top: 1px solid var(--line); background: #fff; position: relative; }
.segments .wrap { display: flex; flex-wrap: wrap; gap: 14px 40px; align-items: center; padding-block: 22px; font-size: .92rem; }
.segments .label { font-family: var(--mono); font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--bronze-d); }
.segments span.seg { display: inline-flex; align-items: center; gap: 10px; font-weight: 500; }
.segments span.seg::before { content: ""; width: 7px; height: 7px; background: var(--bronze); transform: rotate(45deg); }

/* ---------- sections ---------- */
.section { padding-block: clamp(64px, 9vw, 120px); }
.section.tint { background: var(--mist); }
.section-head { display: grid; gap: 18px; max-width: 760px; margin-bottom: clamp(36px, 5vw, 64px); }

/* services */
.services { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service { padding: 36px 32px 38px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; display: flex; flex-direction: column; gap: 14px; transition: background .3s; position: relative; }
.service:hover { background: var(--mist); }
.service .ico { width: 46px; height: 46px; color: var(--bronze-d); }
.service p { color: var(--ink-soft); font-size: .98rem; }
.service .for { margin-top: auto; padding-top: 10px; font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--bronze-d); }

/* data center teaser */
.dc-band { background: var(--ink); color: #fff; position: relative; overflow: hidden; }
.dc-band::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(167,149,118,.14) 1px, transparent 1px), linear-gradient(90deg, rgba(167,149,118,.14) 1px, transparent 1px); background-size: 44px 44px; mask-image: linear-gradient(90deg, transparent 0%, #000 60%); -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 60%); }
.dc-band .wrap { position: relative; display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: center; padding-block: clamp(56px, 7vw, 92px); }
.dc-band .eyebrow { color: var(--bronze); }
.dc-band p { color: var(--cream); max-width: 56ch; margin: 18px 0 30px; }
.dc-band .btn-primary { background: var(--bronze); color: var(--ink); }
.dc-band .btn-primary:hover { background: var(--cream); }
.chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-end; }
.chip { font-family: var(--mono); font-size: .85rem; letter-spacing: .06em; padding: 10px 16px; border: 1px solid rgba(230,220,207,.35); border-radius: 6px; color: var(--cream); }

/* about */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 88px); align-items: start; }
.about-grid .copy { display: grid; gap: 20px; color: var(--ink-soft); }
.about-grid .copy strong { color: var(--ink); font-weight: 600; }
.signals { display: grid; gap: 0; border-top: 1px solid var(--line); }
.signal { display: grid; grid-template-columns: 150px 1fr; gap: 20px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.signal .k { font-family: var(--mono); font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--bronze-d); padding-top: 4px; }
.signal .v { font-weight: 500; }
.signal .v span { display: block; color: var(--ink-soft); font-weight: 400; font-size: .96rem; }
.team { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: clamp(48px, 6vw, 80px); }
.role { padding: 26px 24px; background: #fff; border: 1px solid var(--line); border-top: 3px solid var(--bronze); }
.role h3 { font-size: 1.08rem; margin-bottom: 8px; }
.role p { font-size: .93rem; color: var(--ink-soft); }
.team-title { margin-top: clamp(48px, 6vw, 80px); display: flex; justify-content: space-between; align-items: end; gap: 20px; flex-wrap: wrap; }
.team-title h3 { font-size: 1.6rem; }
.team-title + .team { margin-top: 28px; }

/* contact */
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(32px, 6vw, 84px); align-items: start; }
.contact-info { display: grid; gap: 24px; }
.contact-info .row { display: grid; gap: 4px; padding-top: 18px; border-top: 1px solid var(--line); }
.contact-info .k { font-family: var(--mono); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--bronze-d); }
.contact-info a { font-size: 1.18rem; font-weight: 500; text-decoration: none; }
.contact-info a:hover { color: var(--bronze-d); }
form.inquiry { display: grid; gap: 18px; background: #fff; border: 1px solid var(--line); padding: clamp(24px, 4vw, 44px); box-shadow: 0 30px 60px -40px rgba(45,41,38,.35); }
.field { display: grid; gap: 7px; }
.field label { font-size: .86rem; font-weight: 600; }
.field input, .field textarea { font: inherit; color: var(--ink); background: var(--mist); border: 1.5px solid transparent; border-bottom-color: var(--cream); padding: 14px 14px; border-radius: 6px 6px 0 0; transition: border-color .2s, background .2s; width: 100%; }
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field textarea:focus { outline: none; background: #fff; border-color: var(--bronze-d); }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.hp { position: absolute; left: -9999px; }
.form-note { font-size: .86rem; color: var(--ink-soft); }
.form-status { padding: 14px 16px; border-left: 3px solid var(--bronze-d); background: var(--mist); font-size: .95rem; }
.form-status[hidden] { display: none; }

/* footer */
.site-footer { background: var(--ink); color: var(--cream); padding-block: 64px 28px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.site-footer .brand { color: #fff; }
.site-footer .brand img { background: #fff; border-radius: 50%; padding: 3px; }
.site-footer p { font-size: .94rem; margin-top: 16px; max-width: 34ch; }
.site-footer h4 { font-family: var(--mono); font-weight: 500; font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--bronze); margin: 0 0 16px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; font-size: .95rem; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.legal { margin-top: 48px; padding-top: 22px; border-top: 1px solid rgba(230,220,207,.2); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: .84rem; color: #cfc4b3; }

/* ---------- data center page ---------- */
.dc-hero { background: var(--ink); color: #fff; position: relative; overflow: hidden; }
.dc-hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(167,149,118,.13) 1px, transparent 1px), linear-gradient(90deg, rgba(167,149,118,.13) 1px, transparent 1px); background-size: 52px 52px; mask-image: radial-gradient(80% 90% at 80% 20%, #000, transparent 75%); -webkit-mask-image: radial-gradient(80% 90% at 80% 20%, #000, transparent 75%); }
.dc-hero::after { content: ""; position: absolute; right: -10%; top: -40%; width: 70%; aspect-ratio: 1; border-radius: 50%; border: 1px solid rgba(167,149,118,.35); box-shadow: 0 0 0 60px rgba(167,149,118,.05), 0 0 0 120px rgba(167,149,118,.035); pointer-events: none; }
.dc-hero .wrap { position: relative; padding-block: clamp(64px, 9vw, 120px); display: grid; gap: 26px; }
.dc-hero .eyebrow { color: var(--bronze); }
.dc-hero h1 { max-width: 16ch; }
.dc-hero h1 strong { color: var(--bronze); }
.dc-hero .lead { color: var(--cream); }
.dc-hero .actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }
.dc-hero .btn-primary { background: var(--bronze); color: var(--ink); }
.dc-hero .btn-primary:hover { background: var(--cream); }
.dc-hero .btn-ghost { border-color: var(--cream); color: #fff; }
.dc-hero .btn-ghost:hover { background: #fff; color: var(--ink); }
.status-line { display: flex; flex-wrap: wrap; gap: 8px 28px; margin-top: 18px; font-family: var(--mono); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--cream); }
.status-line span::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--bronze); margin-right: 10px; animation: pulse 2.6s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .35; } }
.gpus { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.gpu { background: var(--ink); color: #fff; padding: 28px 24px; display: grid; gap: 12px; align-content: start; border-top: 3px solid var(--bronze); }
.gpu .model { font-family: var(--mono); font-size: 1.5rem; letter-spacing: -.01em; color: #fff; }
.gpu .cls { font-family: var(--mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--bronze); }
.gpu p { font-size: .94rem; color: var(--cream); }
.dc-two { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 72px); }
.list { display: grid; border-top: 1px solid var(--line); }
.list .item { padding: 20px 0; border-bottom: 1px solid var(--line); display: grid; gap: 4px; }
.list .item b { font-weight: 600; }
.list .item span { color: var(--ink-soft); font-size: .96rem; }
.locations { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.loc { padding: 28px; border: 1px solid var(--line); background: #fff; display: grid; gap: 8px; }
.loc .city { font-size: 1.5rem; font-weight: 500; letter-spacing: -.01em; }
.loc .where { font-family: var(--mono); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--bronze-d); }
.loc p { color: var(--ink-soft); font-size: .95rem; }
.cta-end { background: var(--mist); text-align: left; }
.cta-end .wrap { display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap; padding-block: clamp(56px, 7vw, 88px); }
.cta-end h2 { max-width: 20ch; }

/* ---------- responsive ---------- */
@media (max-width: 1020px) {
  .services { grid-template-columns: repeat(2, 1fr); }
  .team, .gpus { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .menu-btn { display: inline-block; }
  .nav { position: absolute; left: 0; right: 0; top: 72px; background: #fff; flex-direction: column; align-items: stretch; gap: 0; padding: 8px var(--gutter) 22px; border-bottom: 1px solid var(--line); display: none; }
  .nav.open { display: flex; }
  .nav a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav a:not(.btn)::after { display: none; }
  .nav .btn { margin-top: 16px; justify-content: center; }
  .hero .wrap, .dc-band .wrap, .about-grid, .contact-grid, .dc-two { grid-template-columns: 1fr; }
  .globe-box { justify-self: center; max-width: 420px; }
  .chips { justify-content: flex-start; }
  .locations { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .services, .team, .gpus, .two, .foot-grid { grid-template-columns: 1fr; }
  .signal { grid-template-columns: 1fr; gap: 6px; }
  .topbar .tag { display: none; }
  .brand span { font-size: 1.12rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}