/* ===== Precision Fenestration Testing ===== */
:root {
  --ink: #0e1b2a;
  --navy: #122c46;
  --steel: #2f5d8c;
  --accent: #1f9bd6;
  --accent-deep: #0d6fa3;
  --paper: #f6f8fa;
  --line: #d8e0e8;
  --muted: #5a6b7b;
  --white: #ffffff;
  --maxw: 1120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--accent-deep); text-decoration: none; }
a:hover { text-decoration: underline; }

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

/* Typography */
h1, h2, h3 { font-family: "Inter", sans-serif; line-height: 1.15; letter-spacing: -0.02em; color: var(--ink); }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 700; margin-bottom: 0.6em; }
h3 { font-size: 1.18rem; font-weight: 700; }
.eyebrow {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent-deep); margin-bottom: 0.8rem; display: block;
}
.lede { font-size: 1.18rem; color: var(--muted); max-width: 60ch; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 800; font-size: 1.05rem; color: var(--ink); letter-spacing: -0.01em; }
.brand:hover { text-decoration: none; }
.brand .mark {
  width: 30px; height: 30px; flex: none;
  border: 2px solid var(--steel); border-radius: 4px; position: relative; background: var(--white);
}
.brand .mark::before { content:""; position:absolute; inset:5px; border:1.5px solid var(--accent); border-radius:1px; }
.brand .mark::after { content:""; position:absolute; left:50%; top:5px; bottom:5px; width:1.5px; background:var(--accent); transform:translateX(-50%); }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { color: var(--navy); font-weight: 500; font-size: 0.95rem; }
.nav-links a.cta-link {
  background: var(--accent-deep); color: #fff; padding: 9px 18px; border-radius: 6px; font-weight: 600;
}
.nav-links a.cta-link:hover { background: var(--navy); text-decoration: none; }
.nav-toggle { display: none; background: none; border: 0; font-size: 1.5rem; cursor: pointer; color: var(--navy); }

/* Buttons */
.btn {
  display: inline-block; background: var(--accent-deep); color: #fff; font-weight: 600;
  padding: 13px 26px; border-radius: 7px; font-size: 1rem; border: 0; cursor: pointer; transition: background .15s;
}
.btn:hover { background: var(--navy); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--white); border: 1.5px solid rgba(255,255,255,0.5); }
.btn.ghost:hover { background: rgba(255,255,255,0.12); border-color: #fff; }
.btn.dark { background: var(--ink); }
.btn.dark:hover { background: var(--steel); }

/* Hero */
.hero {
  background:
    radial-gradient(900px 500px at 78% -10%, rgba(31,155,214,0.22), transparent 60%),
    linear-gradient(160deg, var(--ink) 0%, var(--navy) 60%, #0a2236 100%);
  color: #eaf2f8; position: relative; overflow: hidden;
}
.hero::after {
  content:""; position:absolute; inset:0; opacity:0.5; pointer-events:none;
  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: 46px 46px;
  mask-image: radial-gradient(600px 400px at 80% 10%, #000, transparent 75%);
}
.hero .wrap { position: relative; z-index: 1; padding: 92px 24px 100px; }
.hero h1 { color: #fff; max-width: 17ch; }
.hero .eyebrow { color: #7fd0f2; }
.hero p.lede { color: #b9cddd; margin-top: 1.2rem; }
.hero-actions { margin-top: 2.2rem; display: flex; gap: 14px; flex-wrap: wrap; }
.hero-standards {
  margin-top: 3.4rem; display: flex; flex-wrap: wrap; gap: 10px 10px; align-items: center;
}
.hero-standards span.label { color: #8aa3b8; font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; margin-right: 6px; }
.chip {
  border: 1px solid rgba(255,255,255,0.22); color: #cfe0ed; font-size: 0.82rem; font-weight: 600;
  padding: 5px 12px; border-radius: 100px; font-variant-numeric: tabular-nums;
}

/* Sections */
section.block { padding: 78px 0; }
section.block.alt { background: var(--paper); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 64ch; margin-bottom: 2.6rem; }

/* Grid cards */
.grid { display: grid; gap: 22px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--white); border: 1px solid var(--line); border-radius: 11px; padding: 28px;
  transition: transform .15s, box-shadow .15s;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 14px 34px -18px rgba(14,27,42,0.35); }
.card .num {
  font-variant-numeric: tabular-nums; font-weight: 800; color: var(--accent);
  font-size: 0.85rem; letter-spacing: 0.1em; margin-bottom: 12px;
}
.card h3 { margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 0.97rem; }
.card .std { margin-top: 14px; font-size: 0.8rem; color: var(--steel); font-weight: 600; letter-spacing: 0.04em; }

/* Feature row */
.feature-row { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.stat-panel {
  background: linear-gradient(155deg, var(--navy), var(--ink)); border-radius: 14px; padding: 38px; color: #dceaf4;
}
.stat-panel .stat { display: flex; justify-content: space-between; align-items: baseline; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,0.12); }
.stat-panel .stat:last-child { border-bottom: 0; }
.stat-panel .stat b { font-size: 1.9rem; font-weight: 800; color: #fff; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.stat-panel .stat span { color: #9fb6c8; font-size: 0.92rem; text-align: right; max-width: 22ch; }

/* List with ticks */
.ticks { list-style: none; }
.ticks li { padding: 10px 0 10px 32px; position: relative; border-bottom: 1px solid var(--line); color: var(--navy); }
.ticks li:last-child { border-bottom: 0; }
.ticks li::before {
  content: ""; position: absolute; left: 2px; top: 16px; width: 14px; height: 8px;
  border-left: 2.5px solid var(--accent); border-bottom: 2.5px solid var(--accent); transform: rotate(-45deg);
}

/* Process steps */
.steps { counter-reset: step; display: grid; gap: 0; }
.step { display: grid; grid-template-columns: 64px 1fr; gap: 22px; padding: 26px 0; border-top: 1px solid var(--line); }
.step:first-child { border-top: 0; }
.step .idx {
  counter-increment: step; font-variant-numeric: tabular-nums; font-weight: 800; color: var(--accent);
  font-size: 1.4rem; letter-spacing: -0.02em;
}
.step .idx::before { content: counter(step, decimal-leading-zero); }
.step h3 { margin-bottom: 5px; }
.step p { color: var(--muted); }

/* CTA band */
.cta-band { background: linear-gradient(150deg, var(--accent-deep), var(--navy)); color: #fff; border-radius: 16px; padding: 52px; text-align: center; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #d6e8f3; max-width: 52ch; margin: 0 auto 1.8rem; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-info dt { font-weight: 700; color: var(--ink); margin-top: 18px; font-size: 0.85rem; letter-spacing: 0.06em; text-transform: uppercase; }
.contact-info dd { color: var(--muted); margin-top: 3px; }
.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; color: var(--navy); }
.form-field input, .form-field textarea, .form-field select {
  width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: 7px; font: inherit; color: var(--ink); background: var(--white);
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus { outline: 2px solid var(--accent); border-color: transparent; }
.form-note { font-size: 0.85rem; color: var(--muted); margin-top: 10px; }

/* Footer */
.site-footer { background: var(--ink); color: #9fb6c8; padding: 48px 0 36px; }
.site-footer .cols { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 28px; }
.site-footer .brand { color: #fff; }
.site-footer a { color: #cfe0ed; }
.site-footer .small { font-size: 0.85rem; margin-top: 28px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,0.12); color: #7e96a9; }

/* Page hero (interior) */
.page-hero { background: linear-gradient(160deg, var(--ink), var(--navy)); color: #eaf2f8; }
.page-hero .wrap { padding: 70px 24px 60px; }
.page-hero h1 { color: #fff; }
.page-hero p { color: #b9cddd; max-width: 60ch; margin-top: 0.8rem; font-size: 1.1rem; }
.page-hero .eyebrow { color: #7fd0f2; }

/* Utility */
.center { text-align: center; }
.mt-s { margin-top: 1.2rem; }

/* Responsive */
@media (max-width: 860px) {
  .grid.cols-3 { grid-template-columns: 1fr; }
  .grid.cols-2 { grid-template-columns: 1fr; }
  .feature-row { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .nav-links {
    position: absolute; top: 70px; left: 0; right: 0; background: #fff; flex-direction: column;
    align-items: stretch; gap: 0; padding: 8px 0; border-bottom: 1px solid var(--line); display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 13px 24px; }
  .nav-links a.cta-link { margin: 8px 24px; text-align: center; }
  .nav-toggle { display: block; }
  .cta-band { padding: 36px 24px; }
  .stat-panel { padding: 28px; }
}

/* ===== Trusted by ===== */
.trusted {
  border-bottom: 1px solid var(--line);
  background: var(--white);
  padding: 30px 0;
}
.trusted .wrap {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}
.trusted-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  flex: none;
}
.trusted-logos {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 16px 40px;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
}
.trusted-logo {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--navy);
  white-space: nowrap;
}
.trusted-more {
  font-size: 0.98rem;
  font-weight: 400;
  color: var(--muted);
  font-style: italic;
}
/* When real logo images are dropped in later */
.trusted-logo img {
  height: 28px;
  width: auto;
  display: block;
  filter: grayscale(1);
  opacity: 0.75;
  transition: filter .15s, opacity .15s;
}
.trusted-logo img:hover {
  filter: grayscale(0);
  opacity: 1;
}
@media (max-width: 600px) {
  .trusted .wrap { gap: 16px; }
  .trusted-logos { gap: 12px 28px; }
  .trusted-logo { font-size: 1.05rem; }
}

/* ===== Print ===== */
@media print {
  /* Force readable black-on-white everywhere */
  * {
    background: #fff !important;
    color: #111 !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }

  body { font-size: 11pt; line-height: 1.45; }

  /* Strip decorative backgrounds and overlays */
  .hero, .page-hero, .stat-panel, .cta-band, .site-footer, .card,
  .hero::after, .hero::before { background: #fff !important; }
  .hero::after, .hero::before { display: none !important; }

  /* Headings and accents back to black, links readable */
  h1, h2, h3, .eyebrow, .card .num, .step .idx, .card .std,
  .hero h1, .page-hero h1, .cta-band h2 { color: #111 !important; }
  a { color: #111 !important; text-decoration: none !important; }

  /* Show link targets so a printed page is still useful */
  .nav-links a[href]::after,
  .site-footer a[href]::after { content: ""; }

  /* Keep simple hairline borders for structure */
  .card, .stat-panel, .cta-band { border: 1px solid #999 !important; border-radius: 0 !important; }
  .ticks li, .step, .stat-panel .stat { border-color: #ccc !important; }
  .ticks li::before { border-color: #111 !important; }

  /* Hide interactive chrome that doesn't belong on paper */
  .site-header, .nav-toggle, .hero-actions, .btn, .cta-band a,
  .form-note, button { display: none !important; }

  /* The brand mark uses colored borders; make it print as outline only */
  .brand .mark { border-color: #111 !important; }
  .brand .mark::before, .brand .mark::after { background: #111 !important; border-color: #111 !important; }

  /* Layout: let content flow full width, avoid awkward breaks */
  .wrap { max-width: 100% !important; padding: 0 !important; }
  section.block, .page-hero .wrap, .hero .wrap { padding: 18px 0 !important; }
  .grid.cols-2, .grid.cols-3 { display: block !important; }
  .card, .step, .stat-panel .stat { page-break-inside: avoid; margin-bottom: 12px; }
  h1, h2, h3 { page-break-after: avoid; }

  /* Contact form: keep labels/values legible if printed */
  .form-field input, .form-field textarea, .form-field select {
    border: 1px solid #999 !important;
  }

  @page { margin: 1.6cm; }
}