/* Long Zhou Engineering — AI Studio corporate design (static) */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;600;700&display=swap");

:root {
  --primary-dark: #b71c1c;
  --primary-medium: #d32f2f;
  --accent-gold: #f5b041;
  --brand-bg: #fafafa;
  --brand-text: #1a1a1a;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-150: #eceff3;
  --gray-200: #e5e7eb;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-950: #0a0a0a;
  --blue-50: #eff6ff;
  --blue-100: #dbeafe;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --emerald-50: #ecfdf5;
  --emerald-100: #d1fae5;
  --emerald-600: #059669;
  --emerald-700: #047857;
  --amber-50: #fffbeb;
  --amber-100: #fef3c7;
  --amber-600: #d97706;
  --amber-700: #b45309;
  --red-50: #fef2f2;
  --red-100: #fee2e2;
  --red-600: #dc2626;
  --orange-50: #fff7ed;
  --orange-100: #ffedd5;
  --orange-600: #ea580c;
  --orange-900: #7c2d12;
  --font-sans: "Inter", "Segoe UI", system-ui, sans-serif;
  --font-display: "Space Grotesk", "Inter", sans-serif;
  --nav-h: 4.75rem;
  --container: min(80rem, calc(100% - 2rem));
  --radius-xl: 1.5rem;
  --radius-2xl: 1.75rem;
  --radius-3xl: 2rem;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background: var(--brand-bg);
  color: var(--brand-text);
}

body {
  margin: 0;
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }

button { font: inherit; cursor: pointer; border: none; background: none; }

address { font-style: normal; }

.container {
  width: var(--container);
  margin-inline: auto;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 200;
  padding: 0.55rem 1rem;
  background: var(--primary-dark);
  color: #fff;
  border-radius: 999px;
  font-weight: 600;
}

.skip-link:focus { top: 0.75rem; }

/* Navbar */
.site-nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  padding: 1.25rem 0;
  transition: background 0.3s, padding 0.3s, box-shadow 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}

.site-nav--scrolled {
  padding: 0.75rem 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-color: var(--gray-100);
  box-shadow: var(--shadow-sm);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: inherit;
  min-width: 0;
}

.brand-mark {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 999px;
  background: var(--primary-dark);
  border: 1px solid rgba(245, 176, 65, 0.2);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  flex-shrink: 0;
}

.brand-mark__ring {
  position: absolute;
  width: 1.75rem;
  height: 1.75rem;
  border: 1px solid rgba(245, 176, 65, 0.35);
  transform: rotate(45deg);
}

.brand-mark svg { width: 1.25rem; height: 1.25rem; color: #fff; }

.brand-text-stack { display: flex; flex-direction: column; line-height: 1.1; }

.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(0.95rem, 2.5vw, 1.125rem);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--gray-950);
}

.brand-cn {
  margin-top: 0.15rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--primary-dark);
}

.brand-logo { height: 2.25rem; width: auto; }
.brand-fallback { display: none; font-weight: 700; font-size: 0.92rem; }
.brand--fallback .brand-logo, .brand--fallback .brand-mark { display: none; }
.brand--fallback .brand-fallback { display: block; }

.nav-desktop {
  display: none;
  align-items: center;
  gap: 2rem;
}

.nav-desktop a,
.nav-desktop button {
  position: relative;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
  transition: color 0.2s;
}

.nav-desktop a:hover,
.nav-desktop button:hover { color: var(--primary-dark); }

.nav-desktop a::after,
.nav-desktop button::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  width: 0;
  height: 2px;
  background: var(--primary-dark);
  transition: width 0.3s;
}

.nav-desktop a:hover::after,
.nav-desktop button:hover::after { width: 100%; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s, background 0.2s, box-shadow 0.2s;
}

.btn--primary {
  background: var(--primary-dark);
  color: #fff;
  padding: 0.65rem 1.25rem;
  font-size: 0.875rem;
  box-shadow: 0 8px 20px rgba(183, 28, 28, 0.18);
}

.btn--primary:hover {
  background: var(--primary-medium);
  transform: translateY(-1px);
}

.btn--outline {
  border: 2px solid var(--gray-950);
  color: var(--gray-950);
  padding: 0.65rem 1.5rem;
  font-size: 0.75rem;
  background: transparent;
}

.btn--outline:hover { background: rgba(0, 0, 0, 0.04); }

.btn--dark {
  background: var(--gray-950);
  color: #fff;
  padding: 0.75rem 1.5rem;
  font-size: 0.75rem;
}

.btn--blue {
  background: var(--blue-600);
  color: #fff;
  padding: 0.75rem 1.5rem;
  font-size: 0.75rem;
}

.btn--blue:hover { background: var(--blue-700); }

.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  color: var(--gray-700);
}

.nav-toggle svg { width: 1.5rem; height: 1.5rem; }

.mobile-panel {
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  padding: 0.75rem 0 1rem;
}

.mobile-panel[hidden] { display: none; }

.mobile-panel a,
.mobile-panel button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.65rem 0.85rem;
  border-radius: 1rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--gray-700);
}

.mobile-panel a:hover,
.mobile-panel button:hover {
  background: var(--gray-50);
  color: var(--primary-dark);
}

.mobile-panel__cta {
  margin-top: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--gray-100);
}

/* Sections */
.section { padding: 4rem 0; position: relative; overflow: hidden; }

.section--hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-h) + 2rem);
  padding-bottom: 4rem;
  background: linear-gradient(135deg, #fffdfa 0%, #fffaf5 50%, #f4f7fe 100%);
  border-bottom: 1px solid var(--gray-150);
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  opacity: 0.06;
  pointer-events: none;
}

.section--about {
  background: linear-gradient(180deg, #f1fcf5 0%, #fafdfa 100%);
  border-bottom: 1px solid var(--gray-150);
}

.section--services {
  background: linear-gradient(180deg, #f3f5fc 0%, #fafbfe 100%);
  border-bottom: 1px solid var(--blue-50);
}

.section--sectors {
  position: relative;
  isolation: isolate;
  background: linear-gradient(180deg, #faf6ee 0%, #fcfaf4 100%);
  border-top: 1px solid #ffedd5;
  border-bottom: 1px solid #ffedd5;
}

.section--sectors::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: url("/assets/img/projects/sitework-og.jpg");
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  opacity: 0.14;
  pointer-events: none;
}

.section--sectors::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    180deg,
    rgba(250, 246, 238, 0.94) 0%,
    rgba(252, 250, 244, 0.9) 45%,
    rgba(252, 250, 244, 0.92) 100%
  );
  pointer-events: none;
}

.section--safety {
  background: linear-gradient(180deg, #fff5f5 0%, #fffbfb 50%, #fff 100%);
  border-bottom: 1px solid var(--gray-200);
}

.section--contact {
  background: linear-gradient(180deg, #f3f6fc 0%, #eef2fa 100%);
  border-bottom: 1px solid var(--gray-200);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge--orange { background: var(--orange-50); border: 1px solid var(--orange-100); color: var(--orange-900); }
.badge--emerald { background: var(--emerald-50); border: 1px solid var(--emerald-100); color: var(--emerald-700); }
.badge--blue { background: var(--blue-50); border: 1px solid var(--blue-100); color: var(--blue-700); }
.badge--amber { background: var(--amber-50); border: 1px solid var(--amber-100); color: var(--amber-700); }
.badge--red { background: var(--red-50); border: 1px solid var(--red-100); color: #b91c1c; }

.badge__dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 999px;
  background: currentColor;
}

.section-head {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto 2rem;
}

.section-head--left { text-align: left; margin: 0 0 1.5rem; max-width: none; }

.section-title {
  margin: 0.75rem 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.02em;
  color: var(--gray-950);
  line-height: 1.15;
}

.section-lead {
  margin: 0;
  color: var(--gray-600);
  font-size: clamp(0.8125rem, 1.8vw, 0.9375rem);
  line-height: 1.65;
}

/* Hero */
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-copy { display: flex; flex-direction: column; gap: 1.25rem; }

.hero-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.875rem, 5vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--gray-950);
}

.hero-title__accent {
  background: linear-gradient(90deg, var(--primary-dark), var(--orange-600), #f59e0b);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  margin: 0;
  max-width: 36rem;
  color: var(--gray-600);
  font-size: clamp(0.8125rem, 1.8vw, 1rem);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.hero-creds {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
  max-width: 32rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--gray-150);
}

.hero-cred {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--gray-800);
}

.hero-cred svg { width: 1.1rem; height: 1.1rem; flex-shrink: 0; }

.hero-card {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border: 1px solid var(--orange-100);
  border-radius: var(--radius-3xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  max-width: 24rem;
  margin-inline: auto;
}

.hero-card__label {
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange-600);
}

.hero-card__title {
  margin: 0.35rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.125rem;
  line-height: 1.35;
  color: var(--gray-950);
}

.hero-card__text {
  margin: 0.5rem 0 0;
  font-size: 0.75rem;
  color: var(--gray-500);
  line-height: 1.55;
}

.hero-card__meta {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid #fff7ed;
  display: grid;
  gap: 0.5rem;
}

.meta-row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.75rem;
  color: var(--gray-600);
}

.meta-row strong { color: var(--gray-950); font-weight: 700; text-align: right; }
.meta-row strong.emerald { color: var(--emerald-600); }

.hero-scroll {
  display: none;
  justify-content: center;
  margin-top: 2.5rem;
}

.hero-scroll button {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-400);
}

.hero-scroll svg { width: 0.875rem; height: 0.875rem; color: var(--primary-dark); animation: bounce 1.8s infinite; }

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(4px); }
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

.about-visual {
  width: 100%;
  min-width: 0;
}

.about-photo {
  position: relative;
  margin: 0;
  height: clamp(300px, 78vw, 360px);
  overflow: hidden;
  border-radius: var(--radius-2xl);
  border: 1px solid var(--emerald-100);
  box-shadow: var(--shadow-md);
  display: flex;
  justify-content: center;
  align-items: center;
}

.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

.about-photo__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0) 35%,
    rgba(0, 0, 0, 0.18) 62%,
    rgba(0, 0, 0, 0.48) 100%
  );
  pointer-events: none;
}

.about-copy p { margin: 0.75rem 0 0; color: var(--gray-700); font-size: 0.875rem; line-height: 1.65; }
.about-copy p.small { font-size: 0.8125rem; color: var(--gray-600); }

.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.65rem;
}

.stats-grid--overlay {
  position: absolute;
  left: 0.75rem;
  right: 0.75rem;
  bottom: 0.75rem;
  z-index: 1;
}

.stat-card {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 1rem;
  padding: 0.75rem 0.85rem;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.14);
}

.stat-value {
  display: flex;
  align-items: baseline;
  gap: 0.15rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--gray-950);
}

.stat-value span { color: var(--emerald-700); font-size: 1rem; }

.stat-label {
  margin: 0.25rem 0 0;
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--gray-700);
  line-height: 1.35;
}

/* Services */
.services-head {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.service-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.service-tag {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--blue-100);
  background: rgba(219, 234, 254, 0.65);
  color: var(--blue-700);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.service-card {
  background: #fff;
  border: 1px solid var(--blue-100);
  border-radius: var(--radius-3xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
}

.service-card:hover {
  border-color: #93c5fd;
  box-shadow: var(--shadow-md);
  background: linear-gradient(135deg, #fff 0%, rgba(239, 246, 255, 0.35) 100%);
}

.service-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.service-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-700);
}

.service-icon svg { width: 1.25rem; height: 1.25rem; }

.service-num {
  font-size: 0.625rem;
  font-weight: 700;
  color: #bfdbfe;
}

.service-card h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--gray-950);
}

.service-card p {
  margin: 0;
  font-size: 0.75rem;
  color: var(--gray-600);
  line-height: 1.55;
}

/* Marquee */
.marquee-wrap {
  position: relative;
  overflow: hidden;
  padding: 1rem 0;
}

.marquee-wrap::before,
.marquee-wrap::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: min(8rem, 18vw);
  z-index: 2;
  pointer-events: none;
}

.marquee-wrap--amber::before { left: 0; background: linear-gradient(90deg, #faf6ee, transparent); }
.marquee-wrap--amber::after { right: 0; background: linear-gradient(270deg, #faf6ee, transparent); }
.marquee-wrap--red { background: rgba(254, 242, 242, 0.35); }
.marquee-wrap--red::before { left: 0; background: linear-gradient(90deg, #fff5f5, transparent); }
.marquee-wrap--red::after { right: 0; background: linear-gradient(270deg, #fff5f5, transparent); }

.marquee-track {
  display: flex;
  gap: 1.15rem;
  width: max-content;
  animation: marquee 24s linear infinite;
}

.marquee-track--fast { animation-duration: 20s; }

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-33.333%); }
}

@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; flex-wrap: wrap; width: auto; justify-content: center; }
  .marquee-wrap { overflow: visible; }
  .marquee-wrap::before, .marquee-wrap::after { display: none; }
  .hero-scroll svg { animation: none; }
}

.sector-card,
.cert-card {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background: #fff;
  border-radius: var(--radius-2xl);
  padding: 1rem;
  box-shadow: var(--shadow-sm);
}

.sector-card {
  width: min(19rem, 78vw);
  border: 1px solid var(--amber-100);
}

.cert-card {
  width: min(20rem, 82vw);
  border: 2px solid var(--red-100);
  flex-direction: column;
  align-items: stretch;
}

.sector-icon,
.cert-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sector-icon { background: rgba(255, 251, 235, 0.85); border: 1px solid var(--amber-100); color: var(--amber-700); }
.cert-icon { background: var(--red-50); border: 1px solid var(--red-100); color: var(--red-600); }

.sector-icon svg, .cert-icon svg { width: 1.1rem; height: 1.1rem; }

.sector-card h3,
.cert-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.875rem;
  color: var(--gray-950);
  line-height: 1.25;
}

.sector-cat {
  display: block;
  font-size: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber-600);
  margin-bottom: 0.15rem;
}

.sector-desc { display: block; margin-top: 0.15rem; font-size: 0.625rem; color: var(--gray-500); }

.cert-top { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; }
.cert-code { font-size: 0.5625rem; font-weight: 700; color: #b91c1c; background: var(--red-50); border: 1px solid var(--red-100); padding: 0.15rem 0.55rem; border-radius: 999px; }
.cert-issuer { font-size: 0.5625rem; color: var(--gray-400); margin-top: 0.15rem; }
.cert-card p { margin: 0.5rem 0 0; font-size: 0.6875rem; color: var(--gray-600); line-height: 1.5; }
.cert-foot {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--red-50);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.53rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-400);
}

.cert-active {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  background: rgba(209, 250, 229, 0.85);
  color: #065f46;
  font-weight: 700;
}

.section-footnote {
  text-align: center;
  margin: 1.25rem 0 0;
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-400);
}

/* Contact */
.contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.contact-card {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  border: 2px solid var(--blue-100);
  border-radius: var(--radius-2xl);
  padding: 1.25rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.25s, background 0.25s;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.contact-card:hover { background: #fff; border-color: var(--blue-600); }

.contact-card__icon {
  width: 2.25rem;
  height: 2.25rem;
  margin: 0 auto 0.65rem;
  border-radius: 999px;
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-600);
}

.contact-card__icon svg { width: 1.1rem; height: 1.1rem; }

.contact-card h3 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-400);
}

.contact-card p,
.contact-card address {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--gray-700);
  line-height: 1.55;
}

.contact-card a { color: var(--blue-700); font-weight: 700; }

.contact-card__company {
  display: block;
  color: var(--primary-dark);
  font-size: 0.625rem;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
  font-weight: 800;
}

.contact-card__company--energy { color: var(--blue-700); }

.contact-card__map {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.85rem;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--blue-100);
  background: var(--blue-50);
  color: var(--blue-700);
  font-size: 0.6875rem;
  font-weight: 700;
  transition: background 0.2s, border-color 0.2s;
}

.contact-card__map:hover {
  background: var(--blue-100);
  border-color: var(--blue-600);
}

.contact-reach-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  grid-column: 1 / -1;
}

/* Footer */
.site-footer {
  background: #121212;
  color: #fff;
  border-top: 1px solid #1f2937;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding: 2rem 0 1.5rem;
}

.footer-grid--compact { gap: 1.25rem; }

.footer-col--company { min-width: 0; }

.footer-company-name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.9375rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent-gold);
}

.footer-tagline {
  margin: 0.25rem 0 0.75rem;
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-500);
}

.footer-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-gold);
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.85rem;
}

.footer-links a,
.footer-links button {
  font-size: 0.6875rem;
  color: var(--gray-400);
  text-align: left;
}

.footer-links a:hover,
.footer-links button:hover { color: #fff; }

.footer-email {
  display: inline-block;
  color: var(--primary-medium);
  font-weight: 700;
  font-size: 0.8125rem;
}

.footer-email:hover { color: #fff; }

.footer-address {
  font-size: 0.6875rem;
  color: var(--gray-400);
  line-height: 1.45;
}

.footer-address strong {
  display: block;
  color: #fff;
  font-size: 0.625rem;
  text-transform: uppercase;
  margin-bottom: 0.15rem;
}

.footer-address + .footer-address {
  margin-top: 0.65rem;
  padding-top: 0.65rem;
  border-top: 1px solid #1f2937;
}

.footer-map {
  display: inline-block;
  margin-top: 0.25rem;
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--blue-600);
}

.footer-map:hover { color: #fff; }

.footer-bar {
  background: #0a0a0a;
  border-top: 1px solid #111827;
  padding: 0.85rem 0;
}

.footer-bar-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
  text-align: center;
}

.footer-bar p {
  margin: 0;
  font-size: 0.625rem;
  color: var(--gray-500);
  line-height: 1.45;
}

.footer-top {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  color: var(--gray-400);
  font-size: 0.625rem;
}

.footer-top svg { width: 0.75rem; height: 0.75rem; }

.footer-credit {
  background: #070707;
  border-top: 1px solid #111827;
  padding: 0.35rem 0;
}

.footer-credit p {
  margin: 0;
  text-align: center;
  font-size: 0.5rem;
  letter-spacing: 0.06em;
  color: #4b5563;
}

/* Responsive */
@media (min-width: 640px) {
  .hero-actions { flex-direction: row; align-items: center; }
  .services-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .about-photo { height: clamp(360px, 52vw, 420px); }
  .stats-grid--overlay { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.55rem; }

  .contact-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact-reach-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 900px) {
  .nav-desktop { display: flex; }
  .nav-toggle, .mobile-panel { display: none !important; }

  .hero-grid { grid-template-columns: 1.15fr 0.85fr; gap: 3rem; }
  .hero-card { margin-inline: 0; }
  .hero-scroll { display: flex; }

  .about-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: center; }
  .about-photo { height: clamp(420px, 38vw, 520px); }
  .stats-grid--overlay {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
    gap: 0.65rem;
  }
  .stat-card { padding: 0.85rem 0.95rem; }
  .stat-value { font-size: 1.65rem; }

  .services-head { flex-direction: row; align-items: flex-end; justify-content: space-between; }
  .services-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }

  .footer-grid--compact {
    grid-template-columns: 1.1fr 0.9fr 1.2fr;
    gap: 2rem;
    align-items: start;
  }
  .footer-bar-row { flex-direction: row; justify-content: space-between; text-align: left; }
}

@media (max-width: 639px) {
  .stats-grid--overlay {
    gap: 0.45rem;
    left: 0.65rem;
    right: 0.65rem;
    bottom: 0.65rem;
  }

  .stat-card { padding: 0.6rem 0.7rem; }

  .stat-value { font-size: 1.25rem; }
  .stat-value span { font-size: 0.875rem; }
  .stat-label { font-size: 0.5625rem; }
}

@media (max-width: 480px) {
  .hero-creds { grid-template-columns: 1fr; }
}

body.nav-open { overflow: hidden; }