/* ============================================
   Texas Structural Partners — Stylesheet
   ============================================ */

/* ---------- Design Tokens ---------- */
:root {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.25rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.5rem);
  --text-hero: clamp(2.5rem, 1rem + 4.5vw, 5rem);

  /* Spacing (4px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;

  --font-display: 'Clash Display', 'Satoshi', 'Segoe UI', sans-serif;
  --font-body: 'Satoshi', 'Inter', 'Segoe UI', sans-serif;
}

:root,
[data-theme='light'] {
  --color-bg: #f7f7f9;
  --color-surface: #ffffff;
  --color-surface-2: #f2f3f7;
  --color-surface-offset: #eceef4;
  --color-surface-offset-2: #e4e7f0;
  --color-surface-dynamic: #dde1ec;
  --color-divider: #e2e4ec;
  --color-border: #d7dae5;

  --color-text: #131735;
  --color-text-muted: #565b78;
  --color-text-faint: #9a9db2;
  --color-text-inverse: #f7f7f9;

  --color-primary: #26317f;
  --color-primary-hover: #1b2464;
  --color-primary-active: #131a4a;
  --color-primary-highlight: #dde1f3;

  --color-accent: #d81f2a;
  --color-accent-hover: #b0161f;
  --color-accent-active: #8b1017;
  --color-accent-highlight: #f8dcde;

  --color-orange: #ea8c1c;
  --color-orange-hover: #c8730f;
  --color-orange-highlight: #fbe6cc;

  --shadow-sm: 0 1px 2px rgba(19, 23, 53, 0.06);
  --shadow-md: 0 6px 16px rgba(19, 23, 53, 0.08);
  --shadow-lg: 0 20px 48px rgba(19, 23, 53, 0.14);
}

[data-theme='dark'] {
  --color-bg: #0c0e1f;
  --color-surface: #12142b;
  --color-surface-2: #161933;
  --color-surface-offset: #191c3b;
  --color-surface-offset-2: #1e2144;
  --color-surface-dynamic: #23264c;
  --color-divider: #1f2244;
  --color-border: #292d54;

  --color-text: #e7e8f5;
  --color-text-muted: #a4a7c4;
  --color-text-faint: #6a6e91;
  --color-text-inverse: #131735;

  --color-primary: #7c8ce0;
  --color-primary-hover: #98a5e8;
  --color-primary-active: #b1bced;
  --color-primary-highlight: #232a55;

  --color-accent: #f0555e;
  --color-accent-hover: #f37982;
  --color-accent-active: #f79aa0;
  --color-accent-highlight: #3a2028;

  --color-orange: #f5a53f;
  --color-orange-hover: #f7b862;
  --color-orange-highlight: #3c2c17;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 16px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.5);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color var(--transition-interactive), color var(--transition-interactive);
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul[role='list'], ol[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4, h5, h6 { text-wrap: balance; line-height: 1.12; font-family: var(--font-display); letter-spacing: -0.01em; }
p, li, figcaption { text-wrap: pretty; }

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

::selection { background: color-mix(in oklab, var(--color-primary) 30%, transparent); }

:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

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

a, button, [role='button'], input, textarea, select {
  transition: color var(--transition-interactive), background var(--transition-interactive),
    border-color var(--transition-interactive), box-shadow var(--transition-interactive), transform var(--transition-interactive);
}

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

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}

.section-head {
  max-width: 720px;
  margin-bottom: var(--space-12);
}

.section-head.center { margin-inline: auto; text-align: center; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.eyebrow::before {
  content: '';
  width: 18px;
  height: 2px;
  background: var(--color-accent);
  display: inline-block;
}

.section-title {
  font-size: var(--text-xl);
  font-weight: 600;
}

.section-lede {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  margin-top: var(--space-4);
  max-width: 60ch;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.btn svg { flex-shrink: 0; }
@media (max-width: 480px) {
  .family-copy .btn-outline { white-space: normal; text-align: center; }
}

.btn-primary {
  background: var(--color-accent);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--color-accent-hover); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-primary:active { background: var(--color-accent-active); transform: translateY(0); }

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--color-border);
  color: var(--color-text);
}
.btn-outline:hover { border-color: var(--color-primary); background: var(--color-primary-highlight); }

.btn-ghost-inverse {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.55);
  color: #ffffff;
}
.btn-ghost-inverse:hover { background: rgba(255,255,255,0.12); border-color: #ffffff; }

.btn-lg { padding: var(--space-5) var(--space-8); font-size: var(--text-sm); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.site-header.is-hidden { transform: translateY(-100%); }
.site-header.is-scrolled { box-shadow: var(--shadow-sm); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-3);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}
.brand img { height: 44px; width: auto; }
[data-theme='dark'] .brand img { filter: brightness(0) invert(1); }
[data-theme='dark'] .footer-brand img { filter: brightness(0) invert(1); }
[data-theme='dark'] .family-logos .logo-chip img { filter: brightness(0) invert(1); }

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.main-nav ul { display: flex; align-items: center; gap: var(--space-5); }
.main-nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  padding: var(--space-2) 0;
  position: relative;
  white-space: nowrap;
}
.main-nav a:hover { color: var(--color-text); }
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -3px;
  width: 0; height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-interactive);
}
.main-nav a:hover::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: var(--space-3); }

.header-sister-link {
  display: inline-flex;
  align-items: center;
  height: 34px;
  padding: 0 var(--space-2);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  transition: border-color var(--transition-interactive), transform var(--transition-interactive);
}
.header-sister-link:hover { border-color: var(--color-primary); transform: translateY(-1px); }
.header-sister-link img { height: 14px; width: auto; display: block; }

.mobile-sister-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-1, 4px);
  padding: var(--space-3) 0 !important;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-2);
}
.mobile-sister-link img { height: 22px; width: auto; }
.mobile-sister-link span {
  font-size: var(--text-xs, 0.75rem);
  font-weight: 500;
  color: var(--color-text-muted);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.theme-toggle:hover { color: var(--color-text); border-color: var(--color-primary); }

.header-phone {
  display: none;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
}
.header-phone svg { color: var(--color-accent); }

.nav-toggle {
  display: none;
  width: 38px; height: 38px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

@media (max-width: 900px) {
  .main-nav { display: none; }
  .header-phone { display: none !important; }
  .header-sister-link { display: none !important; }
  .nav-toggle { display: flex; }
  .brand img { height: 40px; }
}
@media (max-width: 460px) {
  .header-inner { gap: var(--space-3); }
  .header-actions { gap: var(--space-2); }
  .header-actions .btn-primary { padding: var(--space-3) var(--space-4); }
  .brand img { height: 36px; }
}
@media (max-width: 360px) {
  .site-header .container { padding-inline: var(--space-4); }
  .header-actions { gap: 6px; }
  .header-actions .btn-primary { padding: var(--space-3) var(--space-3); font-size: 0.75rem; }
  .theme-toggle, .nav-toggle { width: 34px; height: 34px; }
  .brand img { height: 30px; }
}
@media (min-width: 901px) {
  .header-phone { display: inline-flex; }
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4) var(--space-6) var(--space-6);
  border-top: 1px solid var(--color-divider);
}
.mobile-nav.is-open { display: flex; }
.mobile-nav a {
  padding: var(--space-3) 0;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-divider);
}
.mobile-nav .btn { margin-top: var(--space-4); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #ffffff;
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-media::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11,14,35,0.78) 0%, rgba(11,14,35,0.62) 45%, rgba(11,14,35,0.88) 100%);
}
[data-theme='light'] .hero-media::after {
  background: linear-gradient(180deg, rgba(10,13,40,0.72) 0%, rgba(10,13,40,0.55) 45%, rgba(10,13,40,0.85) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-block: var(--space-16) var(--space-16);
  max-width: 780px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--color-orange); }

.hero h1 {
  font-size: var(--text-hero);
  font-weight: 600;
  text-transform: uppercase;
  line-height: 1.08;
  letter-spacing: 0.01em;
  word-spacing: 0.12em;
}
.hero h1 span { color: var(--color-orange); }

.hero-sub {
  margin-top: var(--space-6);
  font-size: var(--text-lg);
  font-family: var(--font-body);
  font-weight: 400;
  color: rgba(255,255,255,0.86);
  max-width: 56ch;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-10);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-16);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.2);
  max-width: 900px;
}
.hero-stat .num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: #ffffff;
}
.hero-stat .label {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.72);
  margin-top: var(--space-1);
  letter-spacing: 0.03em;
}

@media (max-width: 720px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero { min-height: 100vh; }
}

/* ---------- Capabilities (two-column) ---------- */
.capabilities-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
}
@media (max-width: 860px) { .capabilities-grid { grid-template-columns: 1fr; } }

.cap-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
}
.cap-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-bottom: var(--space-5);
  margin-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-divider);
}
.cap-card-header .tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #fff;
}
.cap-card.new .cap-card-header .tag { background: var(--color-primary); }
.cap-card.restore .cap-card-header .tag { background: var(--color-accent); }

.cap-list { display: flex; flex-direction: column; gap: var(--space-5); }
.cap-item { display: flex; gap: var(--space-4); }
.cap-item .icon {
  flex-shrink: 0;
  width: 40px; height: 40px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  background: var(--color-surface-2);
  color: var(--color-primary);
}
.cap-card.restore .cap-item .icon { color: var(--color-accent); }
.cap-item h4 { font-family: var(--font-body); font-size: var(--text-base); font-weight: 700; margin-bottom: var(--space-1); }
.cap-item p { font-size: var(--text-sm); color: var(--color-text-muted); }

/* ---------- Site Logistics & Support ---------- */
.logistics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
@media (max-width: 900px) { .logistics-grid { grid-template-columns: 1fr; } }

.logistics-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
}
.logistics-card .icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-5);
}
.logistics-card h4 { font-size: var(--text-base); font-weight: 700; margin-bottom: var(--space-2); font-family: var(--font-body); }
.logistics-card p { font-size: var(--text-sm); color: var(--color-text-muted); }

.logistics-cta {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: var(--space-6);
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}
.logistics-cta-icon {
  flex-shrink: 0;
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.15);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
}
.logistics-cta-text { flex: 1; }
.logistics-cta-text h4 { font-size: var(--text-base); font-weight: 700; color: #fff; margin-bottom: var(--space-1); font-family: var(--font-body); }
.logistics-cta-text p { font-size: var(--text-sm); color: rgba(255,255,255,0.8); margin: 0; }
.logistics-cta .btn { flex-shrink: 0; }
@media (max-width: 700px) {
  .logistics-cta { flex-direction: column; align-items: flex-start; text-align: left; }
  .logistics-cta .btn { width: 100%; justify-content: center; }
}

/* ---------- Services grid ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}
@media (max-width: 1000px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .services-grid { grid-template-columns: 1fr; } }

.service-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-interactive), box-shadow var(--transition-interactive);
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.service-card .media { aspect-ratio: 4/3; overflow: hidden; }
.service-card .media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s cubic-bezier(0.16,1,0.3,1); }
.service-card:hover .media img { transform: scale(1.05); }
.service-card .body { padding: var(--space-6); }
.service-card h3 { font-size: var(--text-base); font-weight: 700; margin-bottom: var(--space-3); font-family: var(--font-body); }
.service-card ul { display: flex; flex-direction: column; gap: var(--space-2); }
.service-card li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-left: var(--space-4);
  position: relative;
}
.service-card li::before {
  content: '';
  position: absolute; left: 0; top: 0.55em;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-accent);
}

.services-note {
  margin-top: var(--space-8);
  padding: var(--space-5) var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--color-primary-highlight);
  border: 1px solid color-mix(in oklab, var(--color-primary) 25%, transparent);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  font-size: var(--text-sm);
}
.services-note strong { color: var(--color-primary); }
[data-theme='dark'] .services-note strong { color: var(--color-text); }
.services-note a { color: var(--color-accent); font-weight: 700; }
.services-note a:hover { text-decoration: underline; }

/* ---------- Projects (real work) ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: var(--space-5);
}
@media (max-width: 900px) { .projects-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .projects-grid { grid-template-columns: 1fr; } }

.project-tile {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #000;
  cursor: pointer;
  min-height: 260px;
}
.project-tile.tall { grid-row: span 2; min-height: 540px; }
@media (max-width: 900px) { .project-tile.tall { grid-row: span 1; min-height: 320px; } }

.project-tile img, .project-tile video {
  width: 100%; height: 100%; object-fit: cover;
  position: absolute; inset: 0;
  transition: transform 0.5s cubic-bezier(0.16,1,0.3,1);
}
.project-tile:hover img, .project-tile:hover video { transform: scale(1.04); }

.project-tile .overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11,14,35,0) 45%, rgba(11,14,35,0.82) 100%);
}
.project-tile .info {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: var(--space-5);
  color: #fff;
  z-index: 2;
}
.project-tile .info .kind {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-orange);
}
.project-tile .info h4 { font-size: var(--text-base); font-family: var(--font-body); font-weight: 700; margin-top: var(--space-1); }

.play-badge {
  position: absolute;
  top: var(--space-4); right: var(--space-4);
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.92);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary);
  z-index: 2;
}

/* Lightbox */
.lightbox {
  position: fixed; inset: 0;
  background: rgba(6,7,18,0.92);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}
.lightbox.is-open { display: flex; }
.lightbox-inner { max-width: 900px; width: 100%; }
.lightbox-inner video, .lightbox-inner img { width: 100%; max-height: 82vh; border-radius: var(--radius-md); object-fit: contain; background: #000; }
.lightbox-close {
  position: absolute; top: var(--space-6); right: var(--space-6);
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,0.12); color: #fff;
  display: flex; align-items: center; justify-content: center;
}
.lightbox-close:hover { background: rgba(255,255,255,0.22); }

/* ---------- Why choose (two columns) ---------- */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
}
@media (max-width: 860px) { .why-grid { grid-template-columns: 1fr; } }

.why-col h3 {
  font-size: var(--text-lg);
  font-family: var(--font-body);
  font-weight: 700;
  margin-bottom: var(--space-6);
  display: flex; align-items: center; gap: var(--space-3);
}
.why-col h3 .swatch { width: 10px; height: 10px; border-radius: 50%; }
.why-col.gc h3 .swatch { background: var(--color-primary); }
.why-col.owner h3 .swatch { background: var(--color-accent); }

.why-list { display: flex; flex-direction: column; gap: var(--space-5); }
.why-list li { display: flex; gap: var(--space-4); }
.why-list .num {
  flex-shrink: 0;
  width: 34px; height: 34px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: var(--text-xs); font-weight: 700;
  border: 1.5px solid var(--color-border);
  color: var(--color-text-muted);
}
.why-list h4 { font-size: var(--text-base); font-family: var(--font-body); font-weight: 700; margin-bottom: var(--space-1); }
.why-list p { font-size: var(--text-sm); color: var(--color-text-muted); }

/* ---------- Family of companies ---------- */
.family-section {
  background: var(--color-surface-2);
}
.family-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-sm);
}
@media (max-width: 860px) { .family-card { grid-template-columns: 1fr; padding: var(--space-8); } }

.family-logos {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
  margin-top: var(--space-7);
}
.family-logos .logo-chip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--text-sm);
}
.family-logos .logo-chip img { height: 40px; width: auto; object-fit: contain; }
.family-logos .arrow { color: var(--color-text-faint); flex-shrink: 0; }
@media (max-width: 500px) { .family-logos { flex-direction: column; } .family-logos .arrow { transform: rotate(90deg); } }

.family-copy h3 { font-size: var(--text-xl); margin-bottom: var(--space-4); }
.family-copy p { color: var(--color-text-muted); margin-bottom: var(--space-6); max-width: 52ch; }

.family-video {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3 / 4;
  max-height: 440px;
  margin: 0 auto;
  width: 100%;
  max-width: 330px;
  box-shadow: var(--shadow-md);
  background: #0c0f1a;
}
.family-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.family-video-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: var(--space-4) var(--space-5);
  background: linear-gradient(to top, rgba(0,0,0,0.72), rgba(0,0,0,0));
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
}
@media (max-width: 860px) { .family-video { max-width: 280px; } }

/* ---------- About: combined companies badge ---------- */
.about-combined {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-6);
  flex-wrap: wrap;
}
.about-combined-logos {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}
.about-combined-logos img { height: 24px; width: auto; object-fit: contain; }
.about-combined-logos .plus { color: var(--color-text-faint); font-weight: 700; font-size: var(--text-base); }
.about-combined-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
}
[data-theme='dark'] .about-combined-logos img { filter: brightness(0) invert(1); }

/* ---------- Industries / service area ---------- */
.industries-wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-12);
  align-items: start;
}
@media (max-width: 900px) { .industries-wrap { grid-template-columns: 1fr; } }

.industry-tags { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-6); }
.industry-tags span {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  font-size: var(--text-sm);
  font-weight: 500;
  background: var(--color-surface);
}

.area-card {
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}
.area-card h3 { font-size: var(--text-lg); margin-bottom: var(--space-4); font-family: var(--font-body); }
.area-list { display: flex; flex-direction: column; gap: var(--space-3); }
.area-list li { display: flex; gap: var(--space-3); align-items: flex-start; font-size: var(--text-sm); color: rgba(255,255,255,0.9); }
.area-list li svg { flex-shrink: 0; margin-top: 3px; color: var(--color-orange); }

/* ---------- Contact ---------- */
.contact-wrap {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-12);
}
@media (max-width: 900px) { .contact-wrap { grid-template-columns: 1fr; } }

.contact-info-list { display: flex; flex-direction: column; gap: var(--space-6); margin-top: var(--space-8); }
.contact-info-item { display: flex; gap: var(--space-4); }
.contact-info-item .icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
}
.contact-info-item h4 { font-family: var(--font-body); font-size: var(--text-sm); font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-text-faint); margin-bottom: var(--space-1); }
.contact-info-item p, .contact-info-item a { font-size: var(--text-base); font-weight: 600; }
.contact-info-item a:hover { color: var(--color-accent); }

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-5); }
.field label { font-size: var(--text-xs); font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-text-muted); }
.field input, .field select, .field textarea {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  color: var(--color-text);
  font-size: var(--text-sm);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-highlight);
}
.field textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-3); }
.form-success {
  display: none;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: color-mix(in oklab, var(--color-primary) 12%, var(--color-surface));
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-5);
}
[data-theme='dark'] .form-success { color: var(--color-text); }
.form-success.is-visible { display: block; }

/* ---------- Final CTA ---------- */
.cta-band {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  border-radius: var(--radius-xl);
  padding: var(--space-16) var(--space-10);
  text-align: center;
  margin-inline: auto;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}
.cta-band h2 { font-size: var(--text-2xl); color: var(--color-primary); }
.cta-band p { color: var(--color-text-muted); max-width: 52ch; margin: var(--space-4) auto var(--space-8); }
.cta-band .hero-ctas { justify-content: center; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-surface);
  color: var(--color-text-muted);
  padding-block: var(--space-16) var(--space-8);
  border-top: 1px solid var(--color-border);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--color-divider);
}
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-brand img { height: 46px; margin-bottom: var(--space-4); }
.footer-brand p { font-size: var(--text-sm); max-width: 34ch; }
.footer-social { display: flex; gap: var(--space-3); margin-top: var(--space-5); }
.footer-social a {
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  display: flex; align-items: center; justify-content: center;
}
.footer-social a:hover { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }

.footer-col h5 { font-family: var(--font-body); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-text-faint); margin-bottom: var(--space-4); }
.footer-col ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col a { font-size: var(--text-sm); color: var(--color-text-muted); }
.footer-col a:hover { color: var(--color-primary); }

.footer-family-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  border: 1px solid var(--color-border);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  margin-top: var(--space-2);
}
.footer-family-link:hover { background: var(--color-accent-highlight); border-color: var(--color-accent); color: var(--color-accent); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding-top: var(--space-6);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.footer-bottom a { color: var(--color-text-muted); }

/* ---------- Utilities ---------- */
.mt-0 { margin-top: 0 !important; }
.visually-hide-mobile { display: none; }
@media (min-width: 640px) { .visually-hide-mobile { display: inline; } }

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Service pages ---------- */
.hero.page-hero { min-height: 64vh; }
.breadcrumb { display: flex; gap: var(--space-2); align-items: center; font-size: var(--text-sm); color: rgba(255,255,255,0.8); margin-bottom: var(--space-4); }
.breadcrumb a { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.service-split { display: grid; grid-template-columns: 1.25fr 1fr; gap: var(--space-8); align-items: start; margin-top: var(--space-10); }
@media (max-width: 900px) { .service-split { grid-template-columns: 1fr; } }
.signs-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-8); box-shadow: var(--shadow-sm); }
.signs-card h3 { font-size: var(--text-lg); margin-bottom: var(--space-5); }
.signs-list { display: flex; flex-direction: column; gap: var(--space-3); margin-bottom: var(--space-5); padding: 0; list-style: none; }
.signs-list li { position: relative; padding-left: var(--space-6); font-size: var(--text-sm); color: var(--color-text); line-height: 1.5; }
.signs-list li::before { content: ''; position: absolute; left: 0; top: 0.55em; width: 8px; height: 8px; border-radius: 50%; background: var(--color-orange); }
.signs-note { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-5); }
.feature-split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-12); align-items: center; }
@media (max-width: 900px) { .feature-split { grid-template-columns: 1fr; gap: var(--space-8); } }
.feature-media img { width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); aspect-ratio: 3 / 2; object-fit: cover; }
.check-list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: var(--space-3); margin-top: var(--space-5); }
.check-list li { display: flex; gap: var(--space-3); align-items: flex-start; font-size: var(--text-sm); }
.check-list svg { color: var(--color-primary); flex-shrink: 0; margin-top: 1px; }
.roof-why { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-8); display: flex; flex-direction: column; }
.roof-why h3 { font-size: var(--text-lg); }
.roof-why .btn { margin-top: auto; align-self: flex-start; }
.roof-why .check-list { margin-bottom: var(--space-6); }
.roof-projects .project-tile { min-height: 460px; }
.roof-projects .project-tile video { object-fit: cover; }
@media (max-width: 900px) { .roof-projects .roof-why { grid-column: 1 / -1; } }
.process-wrap { max-width: 760px; margin-inline: auto; }
.faq-list { max-width: 820px; margin-inline: auto; display: flex; flex-direction: column; gap: var(--space-3); }
.faq-item { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-5) var(--space-6); }
.faq-item summary { cursor: pointer; font-weight: 700; font-size: var(--text-base); list-style: none; display: flex; justify-content: space-between; gap: var(--space-4); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; color: var(--color-primary); font-size: 1.4em; line-height: 1; flex-shrink: 0; }
.faq-item[open] summary::after { content: '\2212'; }
.faq-item p { margin-top: var(--space-3); color: var(--color-text-muted); font-size: var(--text-sm); line-height: 1.65; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); margin-top: var(--space-8); }
@media (max-width: 900px) { .related-grid { grid-template-columns: 1fr; } }
.related-card { display: flex; flex-direction: column; gap: var(--space-2); padding: var(--space-6); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); color: var(--color-text); text-decoration: none; transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive); }
.related-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-md); }
.related-card h4 { font-size: var(--text-base); font-family: var(--font-body); font-weight: 700; }
.related-card p { font-size: var(--text-sm); color: var(--color-text-muted); }
.related-card span { margin-top: auto; padding-top: var(--space-2); font-size: var(--text-sm); font-weight: 700; color: var(--color-primary); }
.cap-link { color: inherit; text-decoration: none; }
.cap-link:hover { color: var(--color-primary); }
.cap-more { display: inline-block; margin-top: var(--space-1); font-weight: 700; color: var(--color-primary); white-space: nowrap; }
.page-hero h1 { font-size: clamp(2.25rem, 1rem + 3.2vw, 3.75rem); }
.page-hero .hero-content { max-width: 860px; }