/* ============================================================
   SURFACE ART — design system
   Light, technical. Geist + Geist Mono. One blue accent.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700&family=Geist+Mono:wght@400;500&display=swap');

:root{
  /* surfaces */
  --bg:        oklch(0.987 0.002 255);
  --bg-2:      oklch(0.968 0.003 255);
  --bg-3:      oklch(0.945 0.004 255);
  --ink-on-dark: oklch(0.96 0.004 255);

  /* ink */
  --ink:   oklch(0.24 0.013 262);
  --ink-2: oklch(0.47 0.013 262);
  --ink-3: oklch(0.53 0.012 262);

  /* lines */
  --line:   oklch(0.905 0.006 262);
  --line-2: oklch(0.85 0.008 262);

  /* accent — technical blue */
  --accent:      oklch(0.55 0.19 255);
  --accent-deep: oklch(0.46 0.18 256);
  --accent-soft: oklch(0.955 0.028 255);
  --accent-line: oklch(0.86 0.06 255);

  /* dark panel (hero x-ray etc.) */
  --dark:   oklch(0.205 0.012 262);
  --dark-2: oklch(0.255 0.014 262);

  --radius: 6px;
  --maxw: 1240px;
  --pad: clamp(20px, 5vw, 64px);

  --mono: 'Geist Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --sans: 'Geist', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

*{ box-sizing: border-box; }
html{ -webkit-text-size-adjust: 100%; }
body{
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display: block; }
::selection{ background: var(--accent); color: #fff; }

/* ---------- layout helpers ---------- */
.wrap{ max-width: var(--maxw); margin: 0 auto; padding-inline: var(--pad); }
.section{ padding-block: clamp(56px, 9vw, 120px); }
.rule{ border: 0; border-top: 1px solid var(--line); margin: 0; }

/* ---------- typography ---------- */
.mono{
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 400;
}
.mono--accent{ color: var(--accent); }

h1,h2,h3{ font-weight: 500; letter-spacing: -0.022em; line-height: 1.04; margin: 0; }
.display{
  font-size: clamp(40px, 7.2vw, 92px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 0.98;
}
.h2{ font-size: clamp(28px, 4vw, 50px); letter-spacing: -0.025em; }
.h3{ font-size: clamp(20px, 2.2vw, 27px); font-weight: 500; letter-spacing: -0.018em; }
.lead{ font-size: clamp(18px, 1.5vw, 21px); color: var(--ink-2); line-height: 1.55; }
.measure{ max-width: 60ch; }
.measure-s{ max-width: 44ch; }

/* eyebrow */
.eyebrow{ display:inline-flex; align-items:center; gap:10px; }

/* ---------- buttons ---------- */
.btn{
  font-family: var(--sans);
  font-size: 15px; font-weight: 500; letter-spacing: -0.01em;
  display: inline-flex; align-items: center; gap: 9px;
  padding: 12px 20px; border-radius: var(--radius);
  border: 1px solid transparent; cursor: pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
  white-space: nowrap;
}
.btn .arr{ transition: transform .2s ease; }
.btn:hover .arr{ transform: translateX(3px); }
.btn--primary{ background: var(--ink); color: var(--ink-on-dark); }
.btn--primary:hover{ background: var(--accent-deep); }
.btn--accent{ background: var(--accent); color:#fff; }
.btn--accent:hover{ background: var(--accent-deep); }
.btn--ghost{ background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn--ghost:hover{ border-color: var(--ink); }
.btn--sm{ padding: 9px 15px; font-size: 13.5px; }

/* ---------- nav ---------- */
.nav{
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--bg) 82%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav__in{ display: flex; align-items: center; gap: 28px; height: 62px; }
.brand{ display:flex; align-items:center; gap:11px; font-weight:600; letter-spacing:-0.02em; font-size:16px; }
.brand__mark{ width: 22px; height: 22px; flex: none; }
.brand__img{ height:30px; width:auto; display:block; }
.brand__img--foot{ height:30px; background:#fff; padding:9px 13px; border-radius:7px; box-sizing:content-box; }
.nav__links{ display:flex; gap: 26px; margin-left: 8px; }
.nav__links a{ font-size: 14.5px; color: var(--ink-2); transition: color .15s; }
.nav__links a:hover{ color: var(--ink); }
.nav__spacer{ flex: 1; }
.nav__tel{ font-family: var(--mono); font-size: 12.5px; color: var(--ink-2); letter-spacing: 0.04em; }
@media (max-width: 880px){
  .nav__links, .nav__tel{ display:none; }
}

/* ---------- footer ---------- */
.foot{ background: var(--dark); color: var(--ink-on-dark); }
.foot a{ color: color-mix(in oklab, var(--ink-on-dark) 78%, transparent); }
.foot a:hover{ color: #fff; }
.foot__grid{
  display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px;
  padding-block: 64px;
}
.foot__col h4{ font-family: var(--mono); font-size: 11px; letter-spacing:.14em; text-transform:uppercase; color: color-mix(in oklab, var(--ink-on-dark) 55%, transparent); margin: 0 0 16px; font-weight:500; }
.foot__col ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px; font-size:14.5px; }
.foot__bar{ border-top:1px solid var(--dark-2); padding-block: 22px; display:flex; flex-wrap:wrap; gap:14px; justify-content:space-between; align-items:center; font-family:var(--mono); font-size:11.5px; letter-spacing:.06em; color: color-mix(in oklab, var(--ink-on-dark) 55%, transparent); }
@media (max-width: 760px){ .foot__grid{ grid-template-columns: 1fr 1fr; gap:32px; } }

/* ---------- spec card ---------- */
.card{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  padding: 26px;
  display:flex; flex-direction:column; gap: 12px;
  transition: border-color .18s ease, transform .18s ease;
}
.card:hover{ border-color: var(--line-2); }
.card__id{ font-family: var(--mono); font-size: 11px; letter-spacing:.1em; color: var(--accent); }

/* grid background motif */
.grid-bg{
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 32px 32px;
  background-position: -1px -1px;
}

/* corner ticks */
.ticked{ position: relative; }
.ticked::before, .ticked::after{
  content:""; position:absolute; width:7px; height:7px; pointer-events:none;
  border-color: var(--accent); border-style: solid; border-width:0;
}

/* stat */
.stat__n{ font-size: clamp(34px, 4.4vw, 56px); font-weight: 500; letter-spacing:-0.03em; line-height: 1; }
.stat__l{ font-family: var(--mono); font-size: 11.5px; letter-spacing:.1em; text-transform:uppercase; color: var(--ink-3); margin-top: 10px; }

/* ============================================================
   PCB board motif
   ============================================================ */
.board{ position: relative; width: 100%; }
.board__svg{ width: 100%; height: auto; display:block; }

/* NORMAL mode — soldermask + copper */
.board--normal .b-line{ stroke: oklch(0.7 0.13 200); stroke-width: 4; stroke-linejoin: round; stroke-linecap: round; opacity: .9; }
.board--normal .b-chip{ fill: oklch(0.32 0.012 262); stroke: oklch(0.45 0.01 262); stroke-width: 1.5; }
.board--normal .b-chip-dot{ fill: oklch(0.7 0.13 200); }
.board--normal .b-pin{ fill: oklch(0.78 0.11 95); }
.board--normal .b-padr{ fill: oklch(0.8 0.12 95); }
.board--normal .b-via-o{ fill: oklch(0.78 0.11 95); }
.board--normal .b-via-i{ fill: var(--bg); }
.board--normal .b-mount-o{ fill: none; stroke: oklch(0.55 0.02 262); stroke-width: 3; }
.board--normal .b-mount-i{ fill: var(--bg); }

/* XRAY mode — dark board, glowing copper */
.board--xray{ background: var(--dark); border-radius: var(--radius); }
.board--xray .b-line{ stroke: oklch(0.78 0.16 200); stroke-width: 3; stroke-linejoin: round; stroke-linecap: round; opacity: .85; filter: drop-shadow(0 0 4px oklch(0.7 0.16 200 / .6)); }
.board--xray .b-chip{ fill: oklch(0.3 0.02 262 / .55); stroke: oklch(0.7 0.12 200 / .7); stroke-width: 1.2; }
.board--xray .b-chip-dot{ fill: oklch(0.85 0.16 200); }
.board--xray .b-pin{ fill: oklch(0.85 0.12 95 / .85); }
.board--xray .b-padr{ fill: oklch(0.85 0.14 95 / .85); }
.board--xray .b-via-o{ fill: oklch(0.82 0.13 95 / .9); }
.board--xray .b-via-i{ fill: var(--dark); }
.board--xray .b-mount-o{ fill: none; stroke: oklch(0.7 0.1 200 / .6); stroke-width: 3; }
.board--xray .b-mount-i{ fill: var(--dark); }

/* toggle control */
.board-toggle{ display:inline-flex; border:1px solid var(--line-2); border-radius: 999px; padding: 3px; gap:2px; background: var(--bg); }
.board-toggle button{
  font-family: var(--mono); font-size: 11px; letter-spacing:.1em; text-transform:uppercase;
  border:0; background:transparent; color: var(--ink-3); cursor:pointer;
  padding: 6px 14px; border-radius: 999px; transition: background .18s, color .18s;
}
.board-toggle button.on{ background: var(--ink); color: var(--ink-on-dark); }

/* reveal on scroll */
.reveal{ opacity: 0; transform: translateY(14px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in{ opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce){ .reveal{ opacity:1; transform:none; } }

/* ---------- accessibility: skip link + visible focus ---------- */
.skip{
  position: absolute; left: 12px; top: -56px; z-index: 100;
  background: var(--ink); color: var(--ink-on-dark);
  padding: 10px 16px; border-radius: var(--radius);
  font-size: 14px; font-weight: 500;
  transition: top .16s ease;
}
.skip:focus{ top: 12px; }
a:focus-visible, button:focus-visible{
  outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 3px;
}

/* ---------- mobile nav ---------- */
.nav__toggle{
  display: none; align-items: center; justify-content: center;
  width: 40px; height: 40px; flex: none; padding: 0;
  background: transparent; border: 1px solid var(--line-2);
  border-radius: var(--radius); color: var(--ink); cursor: pointer;
  transition: border-color .15s ease;
}
.nav__toggle:hover{ border-color: var(--ink); }
.nav__toggle svg{ width: 20px; height: 20px; }
.nav__toggle .x{ display: none; }
.nav--open .nav__toggle .bars{ display: none; }
.nav--open .nav__toggle .x{ display: block; }
.nav__menu-tel, .nav__menu-cta{ display: none; }
@media (max-width: 880px){
  .nav__in{ gap: 14px; }
  .nav__in > .btn--primary{ display: none; }   /* bar CTA hidden; lives in the menu instead */
  .nav__toggle{ display: inline-flex; }
  .nav__links{
    position: absolute; left: 0; right: 0; top: 100%;
    display: none; flex-direction: column; gap: 0; margin: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 22px 44px -28px oklch(0.2 0.02 262 / .5);
  }
  .nav--open .nav__links{ display: flex; }
  .nav__links a:not(.btn){
    font-size: 16px; color: var(--ink);
    padding: 15px var(--pad); border-top: 1px solid var(--line);
  }
  .nav__links a:not(.btn):first-child{ border-top: 0; }
  .nav__menu-tel{ display: block; color: var(--ink-2); }
  .nav__menu-cta{ display: flex; margin: 16px var(--pad) 20px; }
}

/* ---------- contact CTA band (shared across pages) ---------- */
.cta__in{
  border: 1px solid var(--line); border-radius: 12px;
  padding: clamp(28px, 5vw, 56px);
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: center;
  background-color: var(--bg-2);
}
@media (max-width: 780px){ .cta__in{ grid-template-columns: 1fr; gap: 28px; } }
.cta__side{ display: flex; flex-direction: column; gap: 24px; align-items: flex-start; }
.cta__meta{ display: flex; flex-direction: column; gap: 16px; }
.cta__meta .mono{ display: block; margin-bottom: 4px; }
.cta__meta strong{ font-weight: 500; font-size: 15px; }

/* ---------- forms ---------- */
.form{ display: flex; flex-direction: column; gap: 18px; }
.form-row{ display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 560px){ .form-row{ grid-template-columns: 1fr; } }
.field{ display: flex; flex-direction: column; gap: 7px; }
.field > label{
  font-family: var(--mono); font-size: 11px; letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink-2);
}
.field .req{ color: var(--accent); }
.field input, .field select, .field textarea{
  font-family: var(--sans); font-size: 15.5px; color: var(--ink); width: 100%;
  background: var(--bg); border: 1px solid var(--line-2); border-radius: var(--radius);
  padding: 12px 14px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field textarea{ resize: vertical; min-height: 128px; }
.field input::placeholder, .field textarea::placeholder{ color: var(--ink-3); }
.field input:focus, .field select:focus, .field textarea:focus{
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.field-error{ font-size: 12.5px; color: oklch(0.55 0.2 27); display: none; }
.field.invalid .field-error{ display: block; }
.field.invalid input, .field.invalid select, .field.invalid textarea{
  border-color: oklch(0.6 0.2 27);
}
.form-note{ font-size: 13px; color: var(--ink-3); }
.form-success{
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(28px, 4vw, 44px); background: var(--bg-2); text-align: center;
}
.form-success__mark{
  width: 46px; height: 46px; margin: 0 auto 16px; display: grid; place-items: center;
  border-radius: 50%; background: var(--accent); color: #fff;
}
.form-success__mark svg{ width: 24px; height: 24px; }
.form-success h3{ margin-bottom: 8px; }
.form-success p{ margin: 0; color: var(--ink-2); }

/* ---------- services dropdown (nav) ---------- */
.nav__svc{ position: relative; display: flex; align-items: center; }
.nav__svc-btn{
  font-family: var(--sans); font-size: 14.5px; color: var(--ink-2);
  background: none; border: 0; padding: 0; margin: 0; cursor: pointer;
  display: inline-flex; align-items: center; gap: 5px;
  transition: color .15s ease;
}
.nav__svc-btn:hover{ color: var(--ink); }
.nav__caret{ width: 12px; height: 12px; flex: none; transition: transform .2s ease; }
.nav__svc:hover .nav__caret, .nav__svc.open .nav__caret{ transform: rotate(180deg); }
.nav__svc-menu{
  position: absolute; top: 100%; left: 0; margin-top: 13px;
  min-width: 272px; padding: 8px;
  background: var(--bg); border: 1px solid var(--line); border-radius: 10px;
  box-shadow: 0 22px 44px -24px oklch(0.2 0.02 262 / .5);
  display: flex; flex-direction: column; gap: 1px;
  opacity: 0; visibility: hidden; pointer-events: none;
  transform: translateY(-6px); transition: opacity .16s ease, transform .16s ease;
  z-index: 60;
}
.nav__svc-menu::before{ content: ""; position: absolute; left: 0; right: 0; top: -13px; height: 13px; }
.nav__svc:hover .nav__svc-menu,
.nav__svc:focus-within .nav__svc-menu,
.nav__svc.open .nav__svc-menu{
  opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0);
}
.nav__svc-menu a{
  font-size: 14px; color: var(--ink-2);
  padding: 9px 12px; border-radius: 6px; white-space: nowrap;
  transition: background .12s ease, color .12s ease;
}
.nav__svc-menu a:hover{ background: var(--bg-2); color: var(--accent); }
@media (max-width: 880px){
  .nav__svc{ display: block; }
  .nav__svc-btn{
    width: 100%; justify-content: space-between;
    font-size: 16px; color: var(--ink);
    padding: 15px var(--pad); border-top: 1px solid var(--line);
  }
  .nav__links .nav__svc:first-child .nav__svc-btn{ border-top: 0; }
  .nav__links .nav__svc-menu{
    position: static; transform: none; opacity: 1; visibility: visible; pointer-events: auto;
    min-width: 0; margin: 0; padding: 0;
    background: transparent; border: 0; border-radius: 0; box-shadow: none;
    display: none;
  }
  .nav__svc.open .nav__svc-menu{ display: flex; }
  .nav__svc-menu::before{ display: none; }
  .nav__links .nav__svc-menu a{
    font-size: 15px; color: var(--ink-2); border-radius: 0;
    padding: 13px var(--pad) 13px calc(var(--pad) + 18px);
    border-top: 1px solid var(--line);
  }
}

/* ---------- footer social ---------- */
.foot__social{
  display: inline-flex; align-items: center; gap: 8px; margin-top: 18px;
  font-size: 14px; color: color-mix(in oklab, var(--ink-on-dark) 78%, transparent);
  transition: color .15s ease;
}
.foot__social:hover{ color: #fff; }
.foot__social svg{ flex: none; }

/* ---------- about: team grid ---------- */
.team{
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px 24px;
  margin-top: 48px; padding-top: 40px; border-top: 1px solid var(--line);
}
@media (max-width: 760px){ .team{ grid-template-columns: repeat(2, 1fr); gap: 26px 18px; } }
@media (max-width: 460px){ .team{ grid-template-columns: 1fr; } }
.team__m{ display: flex; flex-direction: column; gap: 4px; }
.team__m strong{ color: var(--accent); font-weight: 600; font-size: 14.5px; text-transform: uppercase; letter-spacing: .04em; }
.team__m span{ color: var(--ink-2); font-size: 14.5px; }

/* ---------- quote feature (portrait + quote) ---------- */
.quote-feat{ display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
@media (max-width: 880px){ .quote-feat{ grid-template-columns: 1fr; gap: 32px; } .quote-feat__fig{ order: -1; } }
.quote-feat__fig{ margin: 0; }
.quote-feat__fig img{ width: 100%; max-width: 300px; height: auto; display: block; margin: 0 auto; }
.quote-feat__q{ margin: 16px 0 0; font-size: clamp(28px, 4vw, 46px); font-weight: 500; letter-spacing: -0.025em; line-height: 1.1; }
.quote-feat__by{ margin: 16px 0 0; color: var(--ink-3); }