/* ==========================================================================
   Giga Build Limited — Design Tokens
   Brand palette: charcoal (structure) + concrete (ground) + sunshine orange
   (materials/contracting) + sky blue (solar/water) + plant green (biogas).
   Display type: Exo 2 (matches the logo wordmark — geometric, futuristic,
   legible at distance for vehicle branding)
   Body type: Inter (clean, legible)
   Signature: diagonal hazard-stripe divider + blueprint grid texture
   ========================================================================== */

:root {
  --charcoal: #141715;
  --charcoal-soft: #23282A;
  --charcoal-line: #3A3E3B;
  --concrete: #EBE7DE;
  --concrete-dark: #D8D3C7;
  --amber: #FF8A00;
  --amber-dark: #CC6F00;
  --teal: #00AEEF;
  --teal-dark: #0089BD;
  --green: #22B14C;
  --green-dark: #1B8C3C;
  --white: #FFFFFF;
  --text-dark: #141715;
  --text-muted: #5B5F5A;
  --text-on-dark: #EDEAE2;
  --text-on-dark-muted: #A9AEA9;

  --font-display: 'Exo 2', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius: 3px;
  --container: 1180px;
  --shadow: 0 4px 18px rgba(28, 31, 30, 0.10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
.hero-logo { height: 80px; } .hero-tagline { font-size: 1.05rem; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 1.05;
  margin: 0 0 0.4em;
  color: var(--charcoal);
}

h1 { font-size: clamp(2.6rem, 5vw, 4.4rem); font-weight: 800; }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.7rem); }
h3 { font-size: 1.35rem; }

p { margin: 0 0 1em; color: var(--text-muted); }

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

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--amber-dark);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 0.8em;
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--amber-dark);
  display: inline-block;
}
.eyebrow.teal { color: var(--teal); }
.eyebrow.teal::before { background: var(--teal); }

/* ---------- Hazard stripe signature divider ---------- */
.stripe-divider {
  height: 10px;
  width: 100%;
  background: repeating-linear-gradient(
    -45deg,
    var(--amber) 0, var(--amber) 18px,
    var(--charcoal) 18px, var(--charcoal) 36px
  );
}
.stripe-divider.teal {
  background: repeating-linear-gradient(
    -45deg,
    var(--teal) 0, var(--teal) 18px,
    var(--charcoal) 18px, var(--charcoal) 36px
  );
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.95rem;
  padding: 13px 28px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }

.btn-amber { background: var(--amber); color: var(--charcoal); }
.btn-amber:hover { background: var(--amber-dark); }

.btn-teal { background: var(--teal); color: var(--white); }
.btn-teal:hover { background: var(--teal-dark); }

.btn-outline { background: transparent; color: var(--white); border-color: var(--white); }
.btn-outline:hover { background: var(--white); color: var(--charcoal); }

.btn-dark { background: var(--charcoal); color: var(--white); }
.btn-dark:hover { background: var(--charcoal-soft); }

.btn-sm { padding: 8px 16px; font-size: 0.8rem; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--charcoal);
  border-bottom: 3px solid var(--amber);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--container);
  margin: 0 auto;
}
brand { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; font-family: var(--font-display); font-weight: 800; color: var(--white); text-transform: uppercase; letter-spacing: 0.02em; } .brand-logo { height: 68px; width: auto; display: block; } .admin-sidebar .brand-logo { height: 46px; } .brand-tagline { font-family: var(--font-display); font-weight: 700; font-size: 0.62rem; letter-spacing: 0.09em; color: var(--amber); }
}
.nav-links {
  display: flex;
  gap: 30px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  color: var(--text-on-dark);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--amber); border-color: var(--amber); }

.nav-toggle {
  display: none;
  background: none;
  border: 2px solid var(--text-on-dark);
  color: var(--white);
  padding: 8px 10px;
  border-radius: var(--radius);
  cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--charcoal);
  color: var(--white);
  overflow: hidden;
  padding: 90px 0 70px;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--charcoal-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--charcoal-line) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 0.35;
  pointer-events: none;
}
.hero-inner { position: relative; max-width: 760px; }
.hero-brand { text-align: center; margin-bottom: 52px; } .hero-logo { height: 130px; width: auto; margin: 0 auto 20px; display: block; } .hero-tagline { font-family: var(--font-display); font-weight: 800; text-transform: uppercase; letter-spacing: 0.08em; font-size: 1.4rem; color: var(--amber); margin: 0; }
.hero h1 { color: var(--white); }
.hero h1 em {
  font-style: normal;
  color: var(--amber);
}
.hero p.lead {
  font-size: 1.15rem;
  color: var(--text-on-dark-muted);
  max-width: 560px;
  margin-bottom: 1.8em;
}
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-stats {
  position: relative;
  display: flex;
  gap: 40px;
  margin-top: 56px;
  flex-wrap: wrap;
  border-top: 1px solid var(--charcoal-line);
  padding-top: 28px;
}
.hero-stats div strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2.1rem;
  color: var(--amber);
  font-weight: 800;
}
.hero-stats div span {
  font-size: 0.82rem;
  color: var(--text-on-dark-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---------- Pillars (3 divisions) ---------- */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}
.pillar {
  padding: 56px 40px;
  border-right: 1px solid var(--concrete-dark);
}
.pillar:last-child { border-right: none; }
.pillar .num {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}
.pillar h3 { margin-top: 10px; }
.pillar a.link {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--amber-dark);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.pillar:nth-child(2) a.link { color: var(--teal); }

/* ---------- Section shell ---------- */
.section { padding: 80px 0; }
.section-dark { background: var(--charcoal); color: var(--text-on-dark); }
.section-dark h2, .section-dark h3 { color: var(--white); }
.section-dark p { color: var(--text-on-dark-muted); }
.section-tint { background: var(--concrete); }
.section-head { max-width: 640px; margin-bottom: 48px; }

/* ---------- Category filter chips ---------- */
.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--concrete-dark);
}
.filter-chip {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  padding: 9px 18px;
  border: 1px solid var(--concrete-dark);
  border-radius: 999px;
  color: var(--text-muted);
  background: var(--white);
  transition: all 0.15s ease;
}
.filter-chip:hover { border-color: var(--amber); color: var(--charcoal); }
.filter-chip.active { background: var(--charcoal); color: var(--white); border-color: var(--charcoal); }

/* ---------- Product grid ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}
.product-card {
  background: var(--white);
  border: 1px solid var(--concrete-dark);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  display: flex;
  flex-direction: column;
}
.product-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.product-thumb {
  aspect-ratio: 4/3;
  background: var(--concrete);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.product-thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-thumb .placeholder {
  font-family: var(--font-display);
  color: var(--concrete-dark);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.badge-out {
  position: absolute; top: 10px; left: 10px;
  background: var(--charcoal); color: var(--white);
  font-family: var(--font-display); font-size: 0.72rem;
  text-transform: uppercase; letter-spacing: 0.05em;
  padding: 4px 10px; border-radius: var(--radius);
}
.badge-featured {
  position: absolute; top: 10px; right: 10px;
  background: var(--amber); color: var(--charcoal);
  font-family: var(--font-display); font-size: 0.72rem;
  text-transform: uppercase; letter-spacing: 0.05em;
  padding: 4px 10px; border-radius: var(--radius);
}
.product-body { padding: 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.product-cat {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--teal);
  font-weight: 600;
}
.product-body h3 { font-size: 1.15rem; margin-bottom: 0; text-transform: none; }
.product-desc { font-size: 0.9rem; color: var(--text-muted); flex: 1; }
.product-price {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--charcoal);
}
.product-price small { font-family: var(--font-body); font-weight: 400; font-size: 0.75rem; color: var(--text-muted); }

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---------- About / values ---------- */
.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
  margin-top: 20px;
}
.value-card {
  border-left: 3px solid var(--amber);
  padding-left: 18px;
}
.value-card.teal { border-left-color: var(--teal); }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: start;
}
.contact-item { display: flex; gap: 14px; margin-bottom: 24px; }
.contact-item .icon {
  width: 40px; height: 40px; flex-shrink: 0;
  background: var(--amber);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 800; color: var(--charcoal);
}
.contact-item strong { display: block; font-family: var(--font-display); text-transform: uppercase; font-size: 0.9rem; letter-spacing: 0.03em; }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
  color: var(--charcoal);
}
.form-group input[type=text],
.form-group input[type=email],
.form-group input[type=tel],
.form-group input[type=number],
.form-group input[type=password],
.form-group input[type=file],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--concrete-dark);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--white);
  color: var(--text-dark);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(232,163,61,0.2);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.checkbox-row { display: flex; align-items: center; gap: 8px; }
.checkbox-row input { width: auto; }

.alert {
  padding: 14px 18px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  font-size: 0.92rem;
}
.alert-success { background: #E4F1EA; color: var(--teal-dark); border: 1px solid var(--teal); }
.alert-error { background: #FBEAE4; color: #A13B1F; border: 1px solid #C7522F; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--charcoal);
  color: var(--text-on-dark-muted);
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--charcoal-line);
}
.footer-grid h4 {
  color: var(--white);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 10px; font-size: 0.9rem; }
.footer-grid a:hover { color: var(--amber); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 26px; font-size: 0.82rem; flex-wrap: wrap; gap: 10px;
}

/* ---------- Admin panel ---------- */
.admin-shell { display: flex; min-height: 100vh; background: var(--concrete); }
.admin-sidebar {
  width: 230px;
  background: var(--charcoal);
  color: var(--text-on-dark);
  padding: 24px 0;
  flex-shrink: 0;
}
.admin-sidebar .brand { padding: 0 24px 24px; font-size: 1.2rem; border-bottom: 1px solid var(--charcoal-line); margin-bottom: 10px; }
.admin-sidebar a {
  display: block;
  padding: 12px 24px;
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  color: var(--text-on-dark-muted);
  border-left: 3px solid transparent;
}
.admin-sidebar a:hover, .admin-sidebar a.active { color: var(--white); border-left-color: var(--amber); background: var(--charcoal-soft); }
.admin-main { flex: 1; padding: 40px; max-width: 1100px; }
.admin-topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 32px; }
.admin-card {
  background: var(--white);
  border: 1px solid var(--concrete-dark);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 24px;
}
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th, .admin-table td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--concrete-dark);
  font-size: 0.9rem;
}
.admin-table th {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}
.admin-table img { width: 48px; height: 48px; object-fit: cover; border-radius: var(--radius); }
.admin-actions { display: flex; gap: 10px; }
.login-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--charcoal);
  padding: 20px;
}
.login-card {
  background: var(--white);
  padding: 44px;
  width: 100%;
  max-width: 400px;
  border-radius: var(--radius);
  border-top: 4px solid var(--amber);
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .pillars { grid-template-columns: 1fr; }
  .pillar { border-right: none; border-bottom: 1px solid var(--concrete-dark); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .admin-shell { flex-direction: column; }
  .admin-sidebar { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}