/* ============================================================================
   FixLab — the technologically advanced B2B electronics repair warehouse.
   Bespoke brand (NOT Nearbuy/True North): precision industrial-tech.
   Palette: black base + coral-red (from the FixLab sign's "LAB") + navy ("FIX") accent.
   Type: Montserrat (wordmark) + Space Grotesk (display) + Inter (body) + mono.
   ========================================================================== */

:root {
  /* Brand — FixLab signage: navy "FIX" + coral-red "LAB", on a black base. */
  --red-600: #c92c22;
  --red-500: #e23b30;   /* primary red (buttons, accents) */
  --red-400: #f2564b;   /* the sign's LAB coral */
  --red-300: #ff8a7d;
  --navy: #2b3a6b;      /* the sign's FIX navy (secondary accent) */
  --carbon-900: #0a0a0c;
  --carbon-800: #121317;
  --carbon-700: #181a1f;
  --carbon-600: #21242b;
  --amber-400: #f59e0b;
  --amber-300: #fbbf24;

  /* Back-compat aliases so existing rules adopt the new black+red palette. */
  --navy-900: var(--carbon-900);
  --navy-800: var(--carbon-800);
  --navy-700: var(--carbon-700);
  --navy-600: var(--carbon-600);
  --blue-600: var(--red-600);
  --blue-500: var(--red-500);
  --blue-400: var(--red-400);
  --cyan-400: var(--red-400);
  --cyan-300: var(--red-300);

  /* Surfaces / text */
  --bg: #ffffff;
  --bg-alt: #f5f7fb;
  --surface: #ffffff;
  --ink: #0b1220;
  --ink-soft: #475569;
  --ink-mute: #7a8699;
  --line: #e4e9f2;
  --on-dark: #eef3fc;
  --on-dark-soft: #9fb0cc;
  --on-dark-line: rgba(255, 255, 255, 0.12);

  --radius: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(8, 15, 30, 0.06), 0 2px 8px rgba(8, 15, 30, 0.05);
  --shadow-md: 0 10px 30px rgba(8, 15, 30, 0.10);
  --shadow-glow: 0 18px 60px rgba(226, 59, 48, 0.35);

  --maxw: 1160px;
  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.08; letter-spacing: -0.02em; margin: 0; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
.shell { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--font-mono); }

/* Fluid type */
.t-display { font-size: clamp(2.6rem, 6vw, 4.4rem); }
.t-h2 { font-size: clamp(1.9rem, 3.6vw, 2.9rem); }
.t-h3 { font-size: clamp(1.2rem, 1.8vw, 1.45rem); }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue-500);
  font-weight: 600;
}
.eyebrow.on-dark { color: var(--cyan-300); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: var(--font-display); font-weight: 600; font-size: 0.98rem;
  padding: 0.85rem 1.5rem; border-radius: var(--radius-pill);
  border: 1px solid transparent; cursor: pointer;
  transition: transform 0.2s var(--ease), box-shadow 0.25s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.btn:active { transform: translateY(1px) scale(0.99); }
.btn-primary { background: linear-gradient(180deg, var(--blue-500), var(--blue-600)); color: #fff; box-shadow: var(--shadow-glow); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 22px 70px rgba(226, 59, 48, 0.45); }
.btn-ghost { background: rgba(255,255,255,0.06); color: var(--on-dark); border-color: var(--on-dark-line); }
.btn-ghost:hover { background: rgba(255,255,255,0.12); transform: translateY(-2px); }
.btn-light { background: var(--ink); color: #fff; }
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-outline:hover { border-color: var(--blue-500); color: var(--blue-600); }

/* ───────────────────────── Nav ───────────────────────── */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), backdrop-filter 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled { background: rgba(10, 10, 12, 0.86); backdrop-filter: blur(14px); border-bottom-color: var(--on-dark-line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
/* Wordmark — recreates the FixLab sign: bold geometric caps, "LAB" in coral red.
   "FIX" is white on dark surfaces (the sign's navy is reserved for light backgrounds). */
.brand { display: inline-flex; align-items: baseline; gap: 0.16em; font-family: 'Montserrat', var(--font-display); font-weight: 900; font-size: 1.34rem; color: #fff; letter-spacing: 0.005em; text-transform: uppercase; }
.brand .lab, .brand .dot { color: var(--red-400); }
.brand.on-light .fix { color: var(--navy); }
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a { color: var(--on-dark-soft); font-size: 0.92rem; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: #fff; }
.nav-cta { display: flex; align-items: center; gap: 0.75rem; }
.nav-toggle { display: none; background: none; border: 0; color: #fff; cursor: pointer; padding: 8px; }
@media (max-width: 880px) {
  .nav-links { display: none; }
  .nav .btn-ghost { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav.open .nav-links {
    display: flex; flex-direction: column; align-items: flex-start; gap: 0.25rem;
    position: absolute; top: 70px; left: 0; right: 0; padding: 16px 24px 24px;
    background: var(--navy-800); border-bottom: 1px solid var(--on-dark-line);
  }
  .nav.open .nav-links a { padding: 0.6rem 0; width: 100%; }
}

/* ───────────────────────── Hero ───────────────────────── */
.hero { position: relative; background: var(--navy-900); color: var(--on-dark); overflow: hidden; padding: 168px 0 110px; }
.hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(60rem 32rem at 72% -8%, rgba(226, 59, 48, 0.38), transparent 60%),
    radial-gradient(42rem 26rem at 6% 16%, rgba(242, 86, 75, 0.18), transparent 58%);
}
.hero .grid-bg {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.5;
  background-image: linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 54px 54px;
  -webkit-mask-image: radial-gradient(75% 60% at 50% 24%, #000, transparent);
  mask-image: radial-gradient(75% 60% at 50% 24%, #000, transparent);
}
.hero .circuit { position: absolute; right: -6%; top: 8%; width: min(720px, 56%); opacity: 0.5; pointer-events: none; }
.hero-inner { position: relative; max-width: 760px; }
.chip {
  display: inline-flex; align-items: center; gap: 0.55rem; padding: 0.45rem 0.95rem;
  border: 1px solid var(--on-dark-line); border-radius: var(--radius-pill);
  background: rgba(255,255,255,0.04); font-size: 0.8rem; color: var(--on-dark-soft);
  font-family: var(--font-mono); letter-spacing: 0.04em;
}
.chip .pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan-400); box-shadow: 0 0 0 0 rgba(242,86,75,0.6); animation: pulse 2.4s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(242,86,75,0.5);} 70%{ box-shadow:0 0 0 10px rgba(242,86,75,0);} 100%{box-shadow:0 0 0 0 rgba(242,86,75,0);} }
.hero h1 { margin-top: 26px; color: #fff; }
.hero h1 .grad { background: linear-gradient(100deg, var(--cyan-300), var(--blue-400)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lede { margin-top: 22px; font-size: clamp(1.05rem, 1.5vw, 1.25rem); color: var(--on-dark-soft); max-width: 620px; }
.hero-cta { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 0.9rem; }
.hero-stats { margin-top: 56px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; border-top: 1px solid var(--on-dark-line); padding-top: 28px; }
.hero-stats .stat .k { font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; color: #fff; }
.hero-stats .stat .v { font-size: 0.84rem; color: var(--on-dark-soft); margin-top: 2px; }
@media (max-width: 720px) { .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 22px 14px; } .hero { padding: 132px 0 80px; } }

/* ───────────────────────── Sections ───────────────────────── */
section { padding: 92px 0; }
.section-head { max-width: 660px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { margin-top: 14px; }
.section-head p { margin-top: 16px; color: var(--ink-soft); font-size: 1.08rem; }
.alt { background: var(--bg-alt); }
.dark { background: var(--navy-800); color: var(--on-dark); }
.dark .section-head p { color: var(--on-dark-soft); }
.dark h2, .dark h3 { color: #fff; }

/* Capability cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .cards { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .cards { grid-template-columns: 1fr; } }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 26px; transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease), border-color 0.28s var(--ease);
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: #d4ddec; }
.card .ic {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(180deg, rgba(226,59,48,0.12), rgba(242,86,75,0.10));
  color: var(--blue-600); margin-bottom: 16px;
}
.card h3 { font-size: 1.18rem; }
.card p { margin-top: 9px; color: var(--ink-soft); font-size: 0.96rem; }

/* Technology split */
.split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
@media (max-width: 880px) { .split { grid-template-columns: 1fr; gap: 36px; } }
.feature-list { list-style: none; padding: 0; margin: 26px 0 0; display: flex; flex-direction: column; gap: 16px; }
.feature-list li { display: flex; gap: 14px; align-items: flex-start; }
.feature-list .tick { flex-shrink: 0; width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; background: rgba(242,86,75,0.16); color: var(--cyan-300); margin-top: 2px; }
.dark .feature-list li strong { color: #fff; }
.dark .feature-list li span { color: var(--on-dark-soft); }
.feature-list li strong { display: block; font-family: var(--font-display); font-size: 1.02rem; }
.feature-list li span { color: var(--ink-soft); font-size: 0.94rem; }

/* Panel (terminal-ish visual) */
.panel { border-radius: var(--radius-lg); border: 1px solid var(--on-dark-line); background: linear-gradient(180deg, var(--navy-700), var(--navy-800)); box-shadow: var(--shadow-md); overflow: hidden; }
.panel .bar { display: flex; align-items: center; gap: 7px; padding: 13px 16px; border-bottom: 1px solid var(--on-dark-line); }
.panel .bar i { width: 11px; height: 11px; border-radius: 50%; background: #2c3a57; }
.panel .bar i:nth-child(1){ background:#f87171;} .panel .bar i:nth-child(2){ background:#fbbf24;} .panel .bar i:nth-child(3){ background:#34d399;}
.panel .bar .t { margin-left: 8px; font-family: var(--font-mono); font-size: 0.76rem; color: var(--on-dark-soft); }
.panel .body { padding: 22px; font-family: var(--font-mono); font-size: 0.84rem; color: var(--on-dark-soft); line-height: 1.9; }
.panel .body .ln span { color: var(--cyan-300); }
.panel .body .ok { color: #34d399; }
.panel .body .num { color: var(--amber-300); }

/* Process pipeline */
.pipeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; counter-reset: step; }
@media (max-width: 900px) { .pipeline { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .pipeline { grid-template-columns: 1fr; } }
.step { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 18px; }
.step .n { font-family: var(--font-mono); font-size: 0.78rem; color: var(--blue-500); font-weight: 600; }
.step h4 { margin-top: 8px; font-size: 1.05rem; }
.step p { margin-top: 6px; font-size: 0.88rem; color: var(--ink-soft); }

/* Quality / certifications */
.certs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 820px) { .certs { grid-template-columns: 1fr; } }
.cert { border: 1px solid var(--on-dark-line); border-radius: var(--radius-lg); padding: 26px; background: rgba(255,255,255,0.03); }
.cert .badge { display: inline-flex; align-items: center; gap: 0.5rem; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; padding: 0.3rem 0.7rem; border-radius: var(--radius-pill); }
.badge.live { background: rgba(52,211,153,0.16); color: #6ee7b7; }
.badge.prog { background: rgba(245,158,11,0.16); color: var(--amber-300); }
.cert h3 { margin-top: 16px; font-size: 1.22rem; }
.cert p { margin-top: 10px; color: var(--on-dark-soft); font-size: 0.95rem; }

/* CTA band */
.cta-band { position: relative; background: var(--navy-900); color: #fff; overflow: hidden; padding: 96px 0; text-align: center; }
.cta-band::before { content:''; position:absolute; inset:0; background: radial-gradient(50rem 24rem at 50% 120%, rgba(226,59,48,0.4), transparent 60%); }
.cta-band .inner { position: relative; max-width: 640px; margin: 0 auto; }
.cta-band p { margin-top: 16px; color: var(--on-dark-soft); font-size: 1.1rem; }
.cta-band .hero-cta { justify-content: center; margin-top: 32px; }

/* Footer */
.footer { background: var(--navy-900); color: var(--on-dark-soft); border-top: 1px solid var(--on-dark-line); padding: 54px 0 40px; }
.footer-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 28px; }
.footer .brand { margin-bottom: 12px; }
.footer .blurb { max-width: 360px; font-size: 0.92rem; }
.footer-links { display: flex; gap: 56px; flex-wrap: wrap; }
.footer-col h5 { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--on-dark-soft); margin: 0 0 12px; }
.footer-col a { display: block; color: var(--on-dark-soft); font-size: 0.92rem; padding: 4px 0; transition: color 0.2s; }
.footer-col a:hover { color: #fff; }
.footer-bottom { margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--on-dark-line); display: flex; flex-wrap: wrap; gap: 8px; justify-content: space-between; font-size: 0.82rem; }

/* Reveal on scroll — progressive enhancement: only hidden when JS is present
   (the inline `js` class in <head>), so no-JS visitors still see all content. */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } .pulse { animation: none; } }