/* Submerge Plumbing & Gas — Propeller demo site */
:root {
  --brand: #0F4C81;
  --brand-dark: #0a3658;
  --accent: #00B5D8;
  --ink: #0a0a0a;
  --ink-soft: #2a2a2a;
  --muted: #5a5a5a;
  --line: #e5e5e7;
  --paper: #ffffff;
  --paper-soft: #fafafa;
  --paper-mute: #f4f4f6;
  --max: 1180px;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.04), 0 6px 24px rgba(15,76,129,0.06);
  --shadow-lg: 0 4px 12px rgba(0,0,0,0.06), 0 24px 56px rgba(15,76,129,0.10);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #ffffff;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-dark); }

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

/* ───── glass-pill nav (G20) ───── */
.site-header {
  position: fixed;
  inset: 16px 0 auto 0;
  z-index: 50;
  display: flex;
  justify-content: center;
  pointer-events: none;
}
.nav-pill {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: 28px;
  width: fit-content;
  margin: 0 auto;
  padding: 10px 14px 10px 20px;
  background: rgba(255,255,255,0.86);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  border: 1px solid rgba(15,76,129,0.10);
  border-radius: 999px;
  box-shadow: 0 4px 24px rgba(10,20,40,0.08);
}
.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
  font-size: 15px;
}
.nav-brand-mark {
  width: 28px; height: 28px;
  display: inline-block;
  object-fit: contain;
}
.nav-links {
  display: flex; gap: 22px; margin: 0;
  font-size: 14px; font-weight: 500;
}
.nav-links a { color: var(--ink-soft); white-space: nowrap; }
.nav-links a:hover { color: var(--brand); }
.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 16px;
  background: var(--ink);
  color: #fff;
  border-radius: 999px;
  font-size: 14px; font-weight: 600;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--brand); color: #fff; }

/* mobile nav toggle (G17) — base rule must come BEFORE the desktop @media override */
.mobile-menu-toggle {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border-radius: 999px;
  background: var(--ink); color: #fff; border: 0;
  cursor: pointer; pointer-events: auto;
}
.mobile-menu-toggle svg { width: 18px; height: 18px; fill: currentColor; }
.mobile-menu {
  display: none;
  position: fixed; inset: 0;
  background: rgba(10,10,10,0.88);
  z-index: 60;
  padding: 24px;
  overflow-y: auto;
}
.mobile-menu.open { display: block; }
.mobile-menu-close {
  position: absolute; top: 18px; right: 18px;
  width: 44px; height: 44px;
  background: transparent; border: 1px solid rgba(255,255,255,0.18);
  border-radius: 999px; color: #fff; font-size: 20px; cursor: pointer;
}
.mobile-menu-inner {
  max-width: 480px; margin: 96px auto 0; color: #fff;
}
.mobile-menu-inner a {
  display: block;
  padding: 18px 4px;
  color: #fff;
  font-size: 22px; font-weight: 600;
  border-bottom: 1px solid rgba(255,255,255,0.10);
}
.mobile-menu-inner .mobile-cta {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 24px;
  padding: 14px 22px;
  background: var(--brand); color: #fff;
  border-radius: 999px; font-weight: 700;
  border: none;
}
.mobile-phone-block {
  margin-top: 32px; padding: 20px;
  background: rgba(255,255,255,0.06);
  border-radius: 14px;
  text-align: center;
}
.mobile-phone-block strong { display: block; font-size: 14px; color: rgba(255,255,255,0.7); margin-bottom: 6px; }
.mobile-phone-block a { font-size: 28px; font-weight: 700; padding: 0; border: none; color: #fff; }

/* ───── hero (typographic-only, G10 fallback) ───── */
.hero {
  position: relative;
  padding: 152px 0 96px;
  background: var(--paper);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(60% 80% at 80% 10%, rgba(0,181,216,0.10) 0%, transparent 60%),
    radial-gradient(50% 60% at 0% 110%, rgba(15,76,129,0.06) 0%, transparent 60%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  text-align: center;
}
.hero-eyebrow {
  display: inline-flex; gap: 10px; align-items: center;
  margin: 0 auto 24px;
  padding: 7px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px; font-weight: 500;
  color: var(--muted);
  width: fit-content;
}
.hero-eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.hero h1 {
  font-size: clamp(44px, 7.5vw, 92px);
  line-height: 0.98;
  letter-spacing: -0.025em;
  font-weight: 800;
  margin: 0 0 24px;
  color: var(--ink);
}
.hero h1 .accent { color: var(--brand); }
.hero h1 .muted { color: var(--muted); font-weight: 500; }
.hero-sub {
  max-width: 640px; margin: 0 auto 40px;
  font-size: clamp(17px, 1.6vw, 19px);
  color: var(--ink-soft);
  line-height: 1.55;
}
.hero-ctas { display: inline-flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px;
  font-weight: 600; font-size: 15px;
  border-radius: 999px;
  transition: transform 80ms ease, background-color 120ms ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: var(--brand); }
.btn-secondary { background: var(--paper-mute); color: var(--ink); border: 1px solid var(--line); }
.btn-secondary:hover { background: var(--paper); border-color: var(--brand); color: var(--brand); }
.btn-light { background: rgba(255,255,255,0.12); color: #fff; border: 1px solid rgba(255,255,255,0.24); }
.btn-light:hover { background: rgba(255,255,255,0.20); }

/* ───── hero typographic mark ───── */
.hero-mark {
  position: relative;
  margin-top: 72px;
  padding: 56px 32px 64px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 60%, #06243d 100%);
  color: #fff;
  border-radius: 18px;
  text-align: center;
  overflow: hidden;
}
.hero-mark::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(40% 50% at 80% 20%, rgba(0,181,216,0.30), transparent 70%),
    radial-gradient(50% 70% at 10% 100%, rgba(255,255,255,0.06), transparent 70%);
}
.hero-mark-inner { position: relative; z-index: 1; }
.hero-mark .glyph {
  display: block;
  width: 112px; height: 112px;
  margin: 0 auto 28px;
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(255,255,255,0.30);
  border-radius: 24px;
  padding: 14px;
  object-fit: contain;
  box-shadow: 0 8px 32px rgba(0,0,0,0.20);
}
.hero-mark h2 { font-size: clamp(28px, 4vw, 44px); margin: 0 0 12px; font-weight: 700; letter-spacing: -0.01em; }
.hero-mark p { margin: 0 auto; max-width: 560px; color: rgba(255,255,255,0.78); }
.hero-mark .stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 720px; margin: 40px auto 0;
}
.hero-mark .stats > div { padding: 20px 8px; border-radius: 12px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); }
.hero-mark .stats strong { display: block; font-size: 26px; font-weight: 800; color: #fff; }
.hero-mark .stats span { display: block; font-size: 13px; color: rgba(255,255,255,0.7); margin-top: 4px; }

/* ───── section base ───── */
section { position: relative; }
.section { padding: 96px 0; }
.section-tight { padding: 64px 0; }
.section-eyebrow {
  display: inline-flex; gap: 10px; align-items: center;
  margin: 0 0 18px;
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--brand);
}
.section-eyebrow::before { content: ""; width: 24px; height: 1px; background: var(--brand); }
.section h2 {
  font-size: clamp(32px, 4.5vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin: 0 0 18px;
}
.section h2 .muted { color: var(--muted); font-weight: 500; }
.section-lede {
  max-width: 580px;
  margin: 0 0 56px;
  font-size: 17px;
  color: var(--ink-soft);
}

/* ───── about preview / promise grid ───── */
.about-preview { background: var(--paper-mute); }
.about-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 64px; align-items: center; }
.about-bullets { list-style: none; padding: 0; margin: 32px 0 0; display: grid; gap: 14px; }
.about-bullets li { display: flex; gap: 14px; align-items: flex-start; font-size: 16px; color: var(--ink-soft); }
.about-bullets .check {
  flex-shrink: 0; width: 22px; height: 22px;
  border-radius: 50%; background: var(--brand); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
}
.about-card {
  background: #fff; padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.about-card h3 { font-size: 20px; margin: 0 0 16px; }
.about-card p { margin: 0 0 12px; color: var(--ink-soft); font-size: 15px; }
.about-card .meta { font-size: 13px; color: var(--muted); margin-top: 18px; }

/* ───── services list (reference: rows of expandable items) ───── */
.services { background: var(--paper); }
.services-list { margin-top: 24px; }
.service-row {
  display: grid; grid-template-columns: 280px 1fr auto;
  gap: 32px; align-items: center;
  padding: 28px 0; border-top: 1px solid var(--line);
}
.service-row:last-child { border-bottom: 1px solid var(--line); }
.service-row h3 { margin: 0; font-size: 22px; font-weight: 600; letter-spacing: -0.01em; }
.service-row p { margin: 0; color: var(--ink-soft); font-size: 15px; line-height: 1.5; }
.service-row .arrow {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--paper-mute); color: var(--brand);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.service-row:hover .arrow { background: var(--brand); color: #fff; }

/* ───── steps / process ───── */
.process { background: var(--paper-mute); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; margin-top: 40px; }
.process-step { position: relative; padding-top: 24px; }
.process-step::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px; background: var(--line);
}
.process-step::after {
  content: ""; position: absolute; top: 0; left: 0; width: 32px; height: 2px; background: var(--brand);
}
.process-step .step-num { font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.process-step h4 { margin: 0 0 8px; font-size: 18px; font-weight: 600; }
.process-step p { margin: 0; font-size: 14px; color: var(--ink-soft); }

/* ───── reviews (template1 visual language, Tier 2 aggregate) ───── */
.gr-section { background: var(--paper); padding: 96px 0; }
.section-head-tpl1 {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 40px;
  align-items: end;
  margin-bottom: 56px;
}
.section-head-tpl1 .idx {
  font-family: 'SF Mono', 'JetBrains Mono', Menlo, Consolas, monospace;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
  padding-top: 16px;
}
.section-head-tpl1 h2 {
  font-size: clamp(40px, 5.6vw, 80px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.04em;
  max-width: 820px;
  margin: 0;
}
.section-head-tpl1 h2 .thin { font-weight: 300; color: var(--muted); }
.section-head-tpl1 .lead {
  max-width: 300px;
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.55;
  padding-bottom: 8px;
}
.gr-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 24px 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  flex-wrap: wrap;
  box-shadow: var(--shadow);
}
.gr-sum-left { display: flex; align-items: center; gap: 16px; }
.gr-logo {
  width: 48px; height: 48px;
  border-radius: 999px;
  background: #f8f9fa;
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.gr-meta-top { display: flex; align-items: baseline; gap: 10px; }
.gr-score {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.gr-stars {
  display: inline-flex;
  gap: 1px;
  color: #fbbc05;
  font-size: 17px;
  letter-spacing: -1px;
}
.gr-sub { font-size: 14px; color: var(--muted); margin-top: 2px; }
.gr-sub strong { color: var(--ink); font-weight: 600; }
.gr-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  border: 1px solid var(--line);
  background: #fff;
  transition: background 0.25s, transform 0.25s, border-color 0.25s, color 0.25s;
  letter-spacing: -0.005em;
}
.gr-cta:hover {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
  transform: translateY(-1px);
}
.gr-cta svg { width: 12px; height: 12px; }
@media (max-width: 1023px) {
  .section-head-tpl1 { grid-template-columns: 1fr; gap: 20px; }
  .section-head-tpl1 .lead { max-width: 540px; }
  .gr-summary { padding: 18px 20px; }
  .gr-score { font-size: 24px; }
}

/* ───── service-area panel ───── */
.area-panel { background: var(--paper-mute); }
.area-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.area-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 24px 0 0; padding: 0; list-style: none; }
.area-list li { font-size: 15px; color: var(--ink-soft); padding: 6px 0; border-bottom: 1px solid var(--line); }
.area-map {
  position: relative;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; overflow: hidden;
}
.area-map svg { width: 100%; height: 100%; opacity: 0.85; }
.area-map-pin {
  position: absolute; left: 50%; top: 48%;
  width: 16px; height: 16px;
  background: #fff; border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(255,255,255,0.18), 0 0 0 14px rgba(255,255,255,0.10);
  transform: translate(-50%, -50%);
}
.area-map-label {
  position: absolute; left: 50%; bottom: 28px;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.4); color: #fff;
  padding: 6px 14px; border-radius: 999px;
  font-size: 13px; backdrop-filter: blur(6px);
}

/* ───── CTA band ───── */
.cta-band {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
  color: #fff;
  padding: 80px 0;
}
.cta-band-inner {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: center;
}
.cta-band h2 { font-size: clamp(28px, 4vw, 44px); margin: 0 0 12px; color: #fff; line-height: 1.1; }
.cta-band p { margin: 0; color: rgba(255,255,255,0.82); }
.cta-band-actions { display: flex; gap: 14px; flex-wrap: wrap; justify-content: flex-end; }
.cta-band-actions .btn-primary { background: #fff; color: var(--ink); }
.cta-band-actions .btn-primary:hover { background: var(--accent); color: var(--ink); }

/* ───── contact form ───── */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; }
.contact-info { display: grid; gap: 24px; }
.contact-info-block { padding: 24px; background: var(--paper-mute); border-radius: var(--radius); }
.contact-info-block h3 { margin: 0 0 8px; font-size: 14px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.contact-info-block p { margin: 0; font-size: 17px; color: var(--ink); font-weight: 500; }
.contact-info-block a { color: var(--ink); }
.contact-info-block a:hover { color: var(--brand); }
.contact-form {
  padding: 32px; background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.contact-form .field { margin-bottom: 16px; }
.contact-form label { display: block; font-size: 13px; font-weight: 500; color: var(--ink-soft); margin-bottom: 6px; }
.contact-form input, .contact-form textarea, .contact-form select {
  width: 100%; padding: 12px 14px;
  border: 1px solid var(--line); border-radius: 8px;
  font-size: 15px; font-family: inherit;
  background: #fff; color: var(--ink);
}
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus {
  outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(15,76,129,0.10);
}
.contact-form textarea { min-height: 120px; resize: vertical; }
.contact-form button {
  width: 100%; margin-top: 8px;
  padding: 14px 20px;
  background: var(--ink); color: #fff;
  border: 0; border-radius: 999px;
  font-size: 15px; font-weight: 600; cursor: pointer;
}
.contact-form button:hover { background: var(--brand); }
.contact-msg { margin-top: 12px; font-size: 14px; }
.contact-msg.success { color: #1f7a1f; }
.contact-msg.error { color: #b40000; }

/* ───── FAQ ───── */
.faq-section { background: var(--paper); }
.faq-list { max-width: 820px; margin: 32px auto 0; }
.faq-list details {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}
.faq-list details summary {
  list-style: none;
  cursor: pointer;
  font-size: 17px; font-weight: 600;
  color: var(--ink);
  display: flex; justify-content: space-between; align-items: flex-start; gap: 16px;
}
.faq-list details summary::-webkit-details-marker { display: none; }
.faq-list details summary::after {
  content: "+";
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%; background: var(--paper-mute);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 600; transition: transform 120ms ease;
}
.faq-list details[open] summary::after { content: "−"; background: var(--brand); color: #fff; }
.faq-list details p { margin: 14px 0 0; color: var(--ink-soft); font-size: 15.5px; line-height: 1.55; }

.faq-toc { display: grid; grid-template-columns: 240px 1fr; gap: 48px; }
.faq-toc-nav { position: sticky; top: 96px; align-self: flex-start; }
.faq-toc-nav h3 { font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin: 0 0 14px; }
.faq-toc-nav a { display: block; padding: 8px 0; font-size: 14px; color: var(--ink-soft); border-bottom: 1px solid var(--line); }
.faq-toc-nav a:hover { color: var(--brand); }

/* ───── breadcrumb ───── */
.breadcrumb {
  padding: 144px 0 0;
  font-size: 13px; color: var(--muted);
}
.breadcrumb ol { list-style: none; margin: 0; padding: 0; display: flex; gap: 8px; flex-wrap: wrap; }
.breadcrumb li::after { content: "/"; margin-left: 8px; opacity: 0.4; }
.breadcrumb li:last-child::after { display: none; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--brand); }

/* ───── about-page ───── */
.about-hero { padding: 152px 0 64px; }
.about-hero h1 { font-size: clamp(40px, 6vw, 72px); line-height: 1; letter-spacing: -0.02em; font-weight: 800; margin: 0 0 24px; max-width: 920px; }
.about-hero h1 .muted { color: var(--muted); font-weight: 500; }
.about-hero .lede { max-width: 720px; font-size: 18px; color: var(--ink-soft); }
.about-body { background: var(--paper-mute); padding: 80px 0; }
.about-body-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 64px; }
.about-body-grid h2 { font-size: 32px; margin: 0 0 16px; }
.about-body-grid p { margin: 0 0 14px; color: var(--ink-soft); font-size: 16px; line-height: 1.65; }
.about-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.about-stat {
  padding: 28px; background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.about-stat strong { display: block; font-size: 32px; font-weight: 800; color: var(--brand); letter-spacing: -0.02em; }
.about-stat span { display: block; font-size: 13px; color: var(--muted); margin-top: 6px; }

/* ───── service-detail page ───── */
.svc-hero { padding: 144px 0 56px; }
.svc-hero h1 { font-size: clamp(40px, 6vw, 64px); line-height: 1.05; letter-spacing: -0.02em; font-weight: 800; margin: 0 0 16px; max-width: 880px; }
.svc-hero .lede { max-width: 720px; font-size: 18px; color: var(--ink-soft); margin: 0; }
.svc-body { display: grid; grid-template-columns: 1fr 320px; gap: 64px; padding: 64px 0; }
.svc-body h2 { font-size: 28px; margin: 0 0 14px; letter-spacing: -0.01em; }
.svc-body p { margin: 0 0 14px; color: var(--ink-soft); font-size: 16px; }
.svc-aside { position: sticky; top: 96px; align-self: flex-start; padding: 32px; background: var(--paper-mute); border-radius: var(--radius); }
.svc-aside h3 { font-size: 14px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; margin: 0 0 14px; color: var(--muted); }
.svc-aside .phone { font-size: 24px; font-weight: 700; color: var(--ink); display: block; margin-bottom: 12px; }
.svc-aside .btn { width: 100%; justify-content: center; }
.svc-aside ul { margin: 18px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.svc-aside ul li { font-size: 14px; color: var(--ink-soft); display: flex; gap: 10px; }
.svc-aside ul li::before { content: "✓"; color: var(--brand); font-weight: 700; }
.svc-related { background: var(--paper-mute); padding: 64px 0; }
.svc-related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 32px; }
.svc-card {
  padding: 28px; background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 120ms ease, box-shadow 120ms ease;
  display: block; color: inherit;
}
.svc-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); border-color: var(--brand); }
.svc-card h3 { font-size: 18px; margin: 0 0 10px; }
.svc-card p { margin: 0; font-size: 14px; color: var(--ink-soft); }

/* ───── footer ───── */
footer {
  background: #0a1929;
  color: rgba(255,255,255,0.78);
  padding: 64px 0 28px;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}
.footer-grid h4 { color: #fff; font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; margin: 0 0 16px; }
.footer-grid a { color: rgba(255,255,255,0.78); display: block; padding: 4px 0; }
.footer-grid a:hover { color: var(--accent); }
.footer-brand {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 18px; font-weight: 700; color: #fff;
  margin-bottom: 12px;
}
.footer-brand .mark {
  width: 42px; height: 42px;
  background: rgba(255,255,255,0.94);
  border-radius: 10px;
  padding: 5px;
  object-fit: contain;
}
.footer-tagline { font-size: 14px; color: rgba(255,255,255,0.64); max-width: 320px; line-height: 1.5; }
.footer-nap { font-size: 13px; color: rgba(255,255,255,0.6); margin-top: 16px; line-height: 1.6; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.10);
  padding-top: 24px;
  display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap;
  font-size: 12px; color: rgba(255,255,255,0.56);
}
.footer-credit a { color: var(--accent); }
.footer-credit a:hover { color: #fff; }

/* ───── mobile sticky CTA (G8) ───── */
.mobile-sticky {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0;
  z-index: 40;
  background: #fff;
  border-top: 1px solid var(--line);
  box-shadow: 0 -2px 12px rgba(0,0,0,0.06);
}
.mobile-sticky-inner { display: grid; grid-template-columns: 1fr 1fr; }
.mobile-sticky a {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 16px 12px;
  font-weight: 600; font-size: 15px;
  color: #fff;
}
.mobile-sticky .call { background: var(--brand); }
.mobile-sticky .message { background: #0a0a0a; }
.mobile-sticky a:hover { opacity: 0.94; }

/* ───── responsive ───── */
@media (max-width: 1023px) {
  .nav-links, .nav-cta { display: none; }
  .nav-pill { padding: 10px 12px; gap: 0; justify-content: space-between; min-width: 240px; }
  .nav-brand { font-size: 14px; }
  .hero { padding: 128px 0 64px; }
  .hero-mark { margin-top: 48px; padding: 40px 24px 48px; }
  .hero-mark .stats { grid-template-columns: 1fr; gap: 14px; }
  .about-grid, .area-grid, .contact-grid, .about-body-grid, .svc-body, .cta-band-inner, .faq-toc { grid-template-columns: 1fr; gap: 40px; }
  .process-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .service-row { grid-template-columns: 1fr 36px; gap: 12px; padding: 22px 0; }
  .service-row p { grid-column: 1 / -1; }
  .svc-related-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cta-band-actions { justify-content: flex-start; }
  .mobile-sticky { display: block; }
  body { padding-bottom: 64px; }
}

@media (min-width: 1024px) {
  .mobile-menu-toggle { display: none !important; }
  .mobile-menu { display: none !important; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 44px; }
  .section { padding: 64px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .about-stats { grid-template-columns: 1fr; }
}

/* ───── reduced motion ───── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}