/* =========================================================
   Gliese Semiconductor Pte Ltd — Shared Stylesheet
   Design language: wafer / reticle / cleanroom precision,
   derived from the brand's infinity-mark logo (navy + blue
   circuitry, amber process-light bead).
   ========================================================= */

:root {
  /* -- Core palette (named, brand-derived) -- */
  --ink-950:   #060c18;   /* cleanroom dark — hero / signature surfaces */
  --navy-900:  #0a1a33;
  --navy-800:  #0d2547;
  --navy-700:  #123061;
  --blue-600:  #1c56a8;
  --blue-500:  #2f6fd6;
  --blue-400:  #4f8fe8;
  --blue-300:  #86b6ee;
  --blue-100:  #e8f1fc;
  --cyan-400:  #5be3ff;   /* process-light glow — new accent */
  --cyan-300:  #a4eeff;
  --amber-600: #d97e00;
  --amber-500: #f5a623;   /* signature accent / CTA */
  --amber-300: #ffcf85;

  --ink:       #101722;
  --muted:     #57687d;
  --line:      #dfe4ec;
  --line-dark: rgba(255,255,255,.14);
  --bg:        #ffffff;
  --paper:     #f4f6f9;
  --white:     #ffffff;

  --radius:    6px;
  --radius-sm: 3px;
  --shadow:    0 10px 26px rgba(6,12,24,.08);
  --shadow-lg: 0 26px 60px rgba(6,12,24,.18);
  --maxw:      1200px;

  --font-display: "Space Grotesk", "Segoe UI", Arial, sans-serif;
  --font:         "IBM Plex Sans", "Segoe UI", Arial, sans-serif;
  --font-mono:    "IBM Plex Mono", "Consolas", monospace;
}

@font-face {
  font-family: "BankGothic Md BT";
  src: url("../assets/fonts/bank gothic medium bt.ttf") format("truetype"),
       url("../assets/fonts/Bank Gothic Medium.otf") format("opentype");
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--blue-500); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--amber-600); }

:focus-visible { outline: 2px solid var(--cyan-400); outline-offset: 3px; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

section { padding: 96px 0; }

h1, h2, h3, h4 { color: var(--navy-800); line-height: 1.15; font-weight: 600; font-family: var(--font-display); letter-spacing: -.01em; }
h1 { font-size: clamp(2.3rem, 5vw, 3.6rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.35rem); }
h3 { font-size: 1.2rem; }

/* -- Eyebrow: mono "die-swatch" label, echoes the wafer motif -- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 2.5px;
  font-size: .76rem;
  font-weight: 500;
  color: var(--blue-500);
  margin-bottom: 16px;
}
.eyebrow::before {
  content: ""; display: inline-block; width: 9px; height: 9px;
  background: var(--amber-500); flex: none;
}
.hero .eyebrow, .page-hero .eyebrow, .cta-band .eyebrow { color: var(--cyan-300); }

.lead { font-size: 1.1rem; color: var(--muted); max-width: 720px; }

.section-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.section-head .lead { margin: 14px auto 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 13px 26px; border-radius: var(--radius); font-weight: 600; font-size: .96rem;
  font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .8px;
  cursor: pointer; border: 1px solid transparent; transition: all .2s ease;
}
.btn-primary { background: var(--blue-500); color: #fff; }
.btn-primary:hover { color: #fff; background: var(--blue-600); transform: translateY(-2px); box-shadow: 0 12px 24px rgba(47,111,214,.3); }
.btn-accent { background: var(--amber-500); color: var(--ink-950); }
.btn-accent:hover { color: var(--ink-950); background: var(--amber-300); transform: translateY(-2px); box-shadow: 0 12px 24px rgba(245,166,35,.35); }
.btn-ghost { background: transparent; color: var(--navy-800); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--blue-400); color: var(--blue-500); }
.btn-light { background: rgba(255,255,255,.08); color: #fff; border-color: rgba(255,255,255,.35); }
.btn-light:hover { border-color: #fff; background: rgba(255,255,255,.16); transform: translateY(-2px); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.9);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 46px; width: auto; }
.brand .brand-text {
  display: flex; flex-direction: row; align-items: baseline; gap: 8px; white-space: nowrap;
  font-family: "BankGothic Md BT", var(--font-display);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
.brand .brand-text strong { color: var(--navy-800); font-size: 1.15rem; letter-spacing: 1px; font-weight: normal; }
.brand .brand-text span { color: var(--navy-800); font-size: 1.15rem; letter-spacing: 1px; text-transform: uppercase; }

.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav-links a {
  position: relative;
  color: var(--ink); font-weight: 500; padding: 9px 14px; font-size: .84rem;
  font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 1px;
}
.nav-links a::after {
  content:""; position:absolute; left:14px; right:14px; bottom:4px; height:2px;
  background: var(--amber-500); transform: scaleX(0); transform-origin: left;
  transition: transform .22s ease;
}
.nav-links a:hover { color: var(--blue-600); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a.active { color: var(--blue-600); }
.nav-links a.active::after { transform: scaleX(1); }
.nav-cta { margin-left: 8px; }
.nav-links .nav-cta a { color: #fff; padding: 11px 20px; }
.nav-links .nav-cta a::after { display: none; }
.nav-links .nav-cta a:hover { color: #fff; }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--navy-800); margin: 5px 0; transition: .3s; }

/* ---------- Reticle grid background (shared by dark surfaces) ---------- */
.reticle-bg {
  position: relative; color: #fff; overflow: hidden;
  background:
    radial-gradient(900px 460px at 82% -8%, rgba(91,227,255,.14), transparent 60%),
    radial-gradient(700px 420px at 10% 110%, rgba(245,166,35,.10), transparent 55%),
    linear-gradient(160deg, var(--ink-950) 0%, var(--navy-900) 55%, var(--navy-800) 130%);
}
.reticle-bg::after {
  content:""; position:absolute; inset:0; pointer-events:none; opacity:.5;
  background-image:
    linear-gradient(rgba(134,182,238,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(134,182,238,.08) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(80% 80% at 60% 20%, #000 40%, transparent 100%);
}

/* ---------- Hero ---------- */
.hero { padding-top: 0; }
.hero .container {
  position: relative; z-index: 2; padding-top: 88px; padding-bottom: 90px;
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center;
}
.hero h1 { color: #fff; }
.hero h1 .accent { color: var(--amber-300); }
.hero p { color: #b9cbe2; font-size: 1.14rem; max-width: 560px; margin-top: 20px; }
.hero-actions { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; }

/* -- spec table: datasheet-style facts, replaces generic stat row -- */
.spec-table { margin-top: 52px; border-top: 1px solid var(--line-dark); max-width: 480px; }
.spec-row {
  display: flex; justify-content: space-between; gap: 20px;
  padding: 12px 0; border-bottom: 1px solid var(--line-dark);
  font-family: var(--font-mono); font-size: .84rem;
}
.spec-row dt { color: #7e93ad; text-transform: uppercase; letter-spacing: 1.5px; }
.spec-row dd { color: #e7effa; text-align: right; }

/* -- Wafer signature graphic -- */
.wafer-wrap {
  position: relative; aspect-ratio: 1; width: 100%; max-width: 440px; margin: 0 auto;
}
.wafer-glow {
  position: absolute; inset: 6%; border-radius: 50%; filter: blur(38px);
  background: radial-gradient(circle, rgba(91,227,255,.35), rgba(47,111,214,.12) 60%, transparent 72%);
}
.wafer-svg { position: relative; width: 100%; height: 100%; display: block; }
.wafer-sweep {
  position: absolute; inset: 3.5%; border-radius: 50%; overflow: hidden; pointer-events: none;
  mix-blend-mode: screen;
}
.wafer-sweep::before {
  content: ""; position: absolute; inset: -50%;
  background: conic-gradient(from 0deg, transparent 0deg, rgba(91,227,255,.55) 18deg, transparent 46deg, transparent 360deg);
  animation: wafer-rotate 13s linear infinite;
}
@keyframes wafer-rotate { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .wafer-sweep::before { animation: none; } }

.die-cell { fill: none; stroke: rgba(134,182,238,.4); stroke-width: 1; }
.die-cell.is-amber { fill: rgba(245,166,35,.55); stroke: var(--amber-300); }
.die-cell.is-cyan { fill: rgba(91,227,255,.28); stroke: var(--cyan-300); }
.wafer-edge { fill: none; stroke: rgba(134,182,238,.55); stroke-width: 1.5; stroke-dasharray: 2 3; }

/* page hero (inner pages) */
.page-hero { padding: 74px 0 66px; }
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { color:#fff; }
.page-hero p { color:#b9cbe2; margin-top: 12px; max-width: 640px; }
.breadcrumb { font-family: var(--font-mono); color:#7e93ad; font-size:.78rem; margin-bottom: 16px; letter-spacing:1.5px; text-transform: uppercase; }
.breadcrumb a { color:#b9cbe2; }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 26px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  position: relative;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 30px; transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}
.card::before, .card::after {
  content: ""; position: absolute; width: 14px; height: 14px; pointer-events: none;
  border-color: var(--amber-500); opacity: 0; transition: opacity .25s ease;
}
.card::before { top: -1px; left: -1px; border-top: 2px solid; border-left: 2px solid; }
.card::after { bottom: -1px; right: -1px; border-bottom: 2px solid; border-right: 2px solid; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.card:hover::before, .card:hover::after { opacity: 1; }
.card .icon {
  width: 50px; height: 50px; border-radius: var(--radius-sm); display: grid; place-items: center;
  background: var(--paper); border: 1px solid var(--line); color: var(--blue-500);
  margin-bottom: 20px;
}
.card .icon svg { width: 24px; height: 24px; }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--muted); font-size: .98rem; }

.bg-soft { background: var(--paper); }

/* ---------- Feature list / chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 18px; }
.chip {
  background: var(--paper); color: var(--navy-800); border: 1px solid var(--line);
  padding: 6px 13px; border-radius: var(--radius-sm); font-size: .82rem; font-weight: 500;
  font-family: var(--font-mono);
}

.ticklist { list-style: none; margin-top: 16px; }
.ticklist li { position: relative; padding-left: 28px; margin-bottom: 12px; color: var(--ink); }
.ticklist li::before {
  content:""; position:absolute; left:2px; top:6px; width:9px; height:9px;
  background: var(--amber-500);
}

/* ---------- Services detailed block ---------- */
.service-block {
  display: grid; grid-template-columns: 1fr 1.15fr; gap: 46px; align-items: center;
  padding: 54px 0; border-bottom: 1px solid var(--line);
}
.service-block:last-child { border-bottom: 0; }
.service-block.reverse .service-media { order: 2; }
.service-media {
  position: relative; border-radius: var(--radius); min-height: 300px;
  display:grid; place-items:center; color:#fff; overflow:hidden;
}
.service-media .icon-lg { width: 84px; height: 84px; color: var(--cyan-300); opacity: .9; position: relative; z-index: 2; }
.service-code { font-family: var(--font-mono); font-size: .8rem; font-weight: 600; letter-spacing: 2px; color: var(--amber-600); text-transform: uppercase; }

/* ---------- Customer logos ---------- */
.logo-wall {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; align-items: stretch;
}
.logo-slot {
  min-height: 118px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  display: grid; place-items: center; background: #fff; padding: 22px;
  color: var(--muted); font-size: .82rem; text-align: center;
}
.logo-slot img { max-width: 100%; max-height: 54px; width: auto; height: auto; object-fit: contain; }

/* ---------- Forms ---------- */
.form-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 40px; box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { margin-bottom: 20px; }
.field label { display: block; font-weight: 600; font-size: .82rem; margin-bottom: 8px; color: var(--navy-800); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .6px; }
.field .req { color: var(--amber-600); }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  font-family: var(--font); font-size: .97rem; color: var(--ink); background: #fff; transition: border .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--blue-400); box-shadow: 0 0 0 3px rgba(47,111,214,.15);
}
.field input[type="file"] { padding: 10px; background: var(--paper); cursor: pointer; }
.field .hint { font-size: .8rem; color: var(--muted); margin-top: 6px; }
.form-note { font-size: .84rem; color: var(--muted); margin-top: 8px; }
.form-status { margin-top: 16px; padding: 14px 16px; border-radius: var(--radius-sm); font-size: .92rem; display: none; }
.form-status.show { display: block; }
.form-status.ok { background: #e6f7ee; color: #0a7a41; border: 1px solid #b6e6cd; }
.form-status.err { background: #fdecec; color: #b3261e; border: 1px solid #f5c6c4; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 40px; }
.contact-info .info-item { display: flex; gap: 16px; margin-bottom: 26px; }
.contact-info .info-item .ico {
  flex: none; width: 44px; height: 44px; border-radius: var(--radius-sm); display: grid; place-items: center;
  background: var(--paper); border: 1px solid var(--line); color: var(--blue-500);
}
.contact-info .info-item .ico svg { width: 20px; height: 20px; }
.contact-info .info-item h4 { margin-bottom: 3px; }
.contact-info .info-item p, .contact-info .info-item a { color: var(--muted); }
.map-embed { border:0; width:100%; height: 320px; border-radius: var(--radius); box-shadow: var(--shadow); margin-top: 40px; filter: grayscale(.15); }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative; text-align: center; overflow: hidden;
  border-radius: var(--radius); padding: 64px 30px;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: #b9cbe2; max-width: 560px; margin: 12px auto 28px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink-950); color: #93a6bd; padding: 62px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; }
.site-footer h4 { color: #fff; font-family: var(--font-mono); font-size: .8rem; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 18px; }
.site-footer a { color: #93a6bd; display: block; margin-bottom: 10px; font-size: .93rem; }
.site-footer a:hover { color: var(--amber-300); }
.footer-brand p { font-size: .93rem; margin-top: 16px; max-width: 280px; }
.footer-brand img { height: 60px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1); margin-top: 44px; padding-top: 22px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-family: var(--font-mono); font-size: .76rem; letter-spacing: .4px; color: #66798e;
}

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1040px) {
  .hero .container { grid-template-columns: 1fr; }
  .wafer-wrap { max-width: 320px; margin-top: 20px; }
}
@media (max-width: 940px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .service-block { grid-template-columns: 1fr; gap: 26px; }
  .service-block.reverse .service-media { order: 0; }
  .service-media { min-height: 220px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .logo-wall { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 720px) {
  section { padding: 64px 0; }
  .nav-links {
    position: fixed; top: 74px; right: 0; left: 0; background: #fff;
    flex-direction: column; align-items: stretch; gap: 0; padding: 12px 20px 20px;
    border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
    transform: translateY(-140%); transition: transform .3s ease; z-index: 99;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 13px 8px; }
  .nav-links a::after { left: 8px; right: 8px; }
  .nav-links li { width: 100%; }
  .nav-cta { margin: 8px 0 0; }
  .nav-toggle { display: block; }
  .grid-3, .grid-2, .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}