/* Silver Lite Flooring — Premium dark navy + silver */
:root {
  --navy: #0b1220;
  --navy-mid: #121a2b;
  --charcoal: #1a2336;
  --charcoal-light: #243049;
  --silver: #c5cdd8;
  --silver-bright: #e8ecf2;
  --accent: #9aa8bc;
  --accent-glow: #b8c4d4;
  --white: #f7f9fc;
  --muted: #8b97a8;
  --success: #3d9b6e;
  --border: rgba(197, 205, 216, 0.15);
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --font: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --max: 1120px;
  --header-h: 72px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--navy);
  color: var(--silver-bright);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-glow); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--white); }
ul { list-style: none; }

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* —— Header —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 18, 32, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--white);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--silver) 0%, var(--accent) 50%, var(--charcoal-light) 100%);
  display: grid;
  place-items: center;
  color: var(--navy);
  font-weight: 800;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.logo span { color: var(--silver); font-weight: 500; }

.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav a {
  color: var(--silver);
  padding: 0.5rem 0.85rem;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 500;
}

.nav a:hover,
.nav a.active {
  color: var(--white);
  background: rgba(197, 205, 216, 0.08);
}

.nav-cta {
  margin-left: 0.5rem !important;
  background: linear-gradient(135deg, var(--silver) 0%, var(--accent) 100%) !important;
  color: var(--navy) !important;
  font-weight: 600 !important;
  padding: 0.55rem 1.1rem !important;
}

.nav-cta:hover {
  filter: brightness(1.08);
  color: var(--navy) !important;
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--silver);
  width: 44px;
  height: 44px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.35rem;
  line-height: 1;
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, filter 0.2s, background 0.2s;
  text-align: center;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: linear-gradient(135deg, var(--silver-bright) 0%, var(--accent) 100%);
  color: var(--navy);
}

.btn-primary:hover { filter: brightness(1.06); color: var(--navy); }

.btn-secondary {
  background: transparent;
  color: var(--silver-bright);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: rgba(197, 205, 216, 0.1);
  border-color: var(--accent);
  color: var(--white);
}

.btn-block { width: 100%; }

/* —— Hero —— */
.hero {
  position: relative;
  padding: 4.5rem 0 5rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(160deg, rgba(11, 18, 32, 0.75) 0%, rgba(11, 18, 32, 0.55) 40%, rgba(11, 18, 32, 0.85) 100%),
    url("https://images.unsplash.com/photo-1600585154340-be6161a56a0c?w=1600&q=80") center/cover no-repeat;
  z-index: 0;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 40%, rgba(154, 168, 188, 0.12), transparent 55%);
}

.hero .container { position: relative; z-index: 1; }

.hero-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-glow);
  background: rgba(197, 205, 216, 0.1);
  border: 1px solid var(--border);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: clamp(1.85rem, 5vw, 3rem);
  font-weight: 750;
  line-height: 1.15;
  color: var(--white);
  max-width: 18ch;
  margin-bottom: 1.15rem;
}

.hero-sub {
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  color: var(--silver);
  max-width: 38rem;
  margin-bottom: 2rem;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

/* —— Trust strip —— */
.trust-strip {
  background: var(--charcoal);
  border-block: 1px solid var(--border);
  padding: 1.15rem 0;
}

.trust-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem 1.75rem;
  font-size: 0.88rem;
  color: var(--silver);
  font-weight: 500;
}

.trust-list li {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.trust-list li::before {
  content: "✓";
  color: var(--accent-glow);
  font-weight: 700;
}

/* —— Sections —— */
.section {
  padding: 4.5rem 0;
}

.section-alt {
  background: var(--navy-mid);
}

.section-header {
  text-align: center;
  max-width: 36rem;
  margin: 0 auto 2.75rem;
}

.section-header h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.15rem);
  color: var(--white);
  margin-bottom: 0.65rem;
  font-weight: 700;
}

.section-header p {
  color: var(--muted);
  font-size: 1.02rem;
}

.eyebrow {
  display: block;
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

/* —— Service cards —— */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.35rem;
}

.card {
  background: var(--charcoal);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.65rem;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  border-color: rgba(197, 205, 216, 0.35);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(145deg, var(--charcoal-light), var(--navy));
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  margin-bottom: 1.1rem;
  font-size: 1.4rem;
}

.card h3 {
  font-size: 1.15rem;
  color: var(--white);
  margin-bottom: 0.55rem;
}

.card p {
  color: var(--muted);
  font-size: 0.94rem;
}

.card a.card-link {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-glow);
}

/* Featured metallic card */
.card-featured {
  grid-column: 1 / -1;
  background:
    linear-gradient(120deg, rgba(232, 236, 242, 0.10), transparent 45%, rgba(154, 168, 188, 0.08) 80%),
    var(--charcoal);
  border-color: rgba(197, 205, 216, 0.35);
}

.card-featured h3 { font-size: 1.35rem; }
.card-featured p { max-width: 46rem; }

.card-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-glow);
  margin-bottom: 0.35rem;
}

/* Metallic finish illustration (placeholder until real photos) */
.metallic-swatch {
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse 60% 40% at 28% 32%, rgba(255, 255, 255, 0.55), transparent 70%),
    radial-gradient(ellipse 50% 35% at 72% 68%, rgba(184, 196, 212, 0.55), transparent 70%),
    radial-gradient(ellipse 35% 25% at 60% 25%, rgba(232, 236, 242, 0.35), transparent 70%),
    conic-gradient(from 210deg at 55% 50%, #0b1220, #4d5d75, #e8ecf2, #8a97ab, #1a2336, #c5cdd8, #243049, #0b1220);
}

.service-featured .service-detail-img { box-shadow: var(--shadow); border-color: rgba(197, 205, 216, 0.35); }

/* —— Why us —— */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.why-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 4/3;
  background:
    linear-gradient(180deg, transparent 40%, rgba(11,18,32,0.7)),
    url("https://images.unsplash.com/photo-1564013799919-ab600027ffc6?w=900&q=80") center/cover;
  min-height: 280px;
}

.why-list {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.why-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.why-num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(197, 205, 216, 0.12);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-glow);
}

.why-item h4 {
  color: var(--white);
  font-size: 1.02rem;
  margin-bottom: 0.2rem;
}

.why-item p {
  color: var(--muted);
  font-size: 0.9rem;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2.5rem;
}

.process-step {
  text-align: center;
  padding: 1.25rem 0.75rem;
  background: var(--charcoal);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.process-step strong {
  display: block;
  color: var(--accent-glow);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.process-step span {
  color: var(--silver);
  font-size: 0.9rem;
  font-weight: 600;
}

/* —— Gallery —— */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 4/3;
  background: var(--charcoal);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.gallery-item:hover img { transform: scale(1.05); }

.gallery-caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1.5rem 1rem 0.9rem;
  background: linear-gradient(transparent, rgba(11, 18, 32, 0.92));
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--white);
}

.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--silver);
  padding: 0.45rem 1rem;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s;
}

.filter-btn:hover,
.filter-btn.active {
  background: rgba(197, 205, 216, 0.12);
  border-color: var(--accent);
  color: var(--white);
}

/* —— CTA band —— */
.cta-band {
  background: linear-gradient(135deg, var(--charcoal) 0%, var(--charcoal-light) 100%);
  border-block: 1px solid var(--border);
  padding: 3.5rem 0;
  text-align: center;
}

.cta-band h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--white);
  margin-bottom: 0.65rem;
}

.cta-band p {
  color: var(--muted);
  margin-bottom: 1.5rem;
  max-width: 28rem;
  margin-inline: auto;
}

.cta-band .hero-ctas { justify-content: center; }

/* —— Page hero (inner) —— */
.page-hero {
  padding: 3rem 0 2.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--navy-mid);
}

.page-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--white);
  margin-bottom: 0.5rem;
}

.page-hero p {
  color: var(--muted);
  max-width: 36rem;
  font-size: 1.05rem;
}

/* —— About —— */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: start;
}

.about-content h2 {
  color: var(--white);
  font-size: 1.65rem;
  margin-bottom: 1rem;
}

.about-content p {
  color: var(--muted);
  margin-bottom: 1rem;
}

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

.stat-box {
  background: var(--charcoal);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem;
  text-align: center;
}

.stat-box strong {
  display: block;
  font-size: 1.75rem;
  color: var(--accent-glow);
  margin-bottom: 0.25rem;
}

.stat-box span {
  font-size: 0.85rem;
  color: var(--muted);
}

/* —— Contact / Form —— */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2.5rem;
  align-items: start;
}

.contact-info h2 {
  color: var(--white);
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.contact-info p {
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-detail {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  padding: 1rem;
  background: var(--charcoal);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.contact-detail strong {
  display: block;
  color: var(--white);
  font-size: 0.9rem;
  margin-bottom: 0.15rem;
}

.contact-detail span,
.contact-detail a {
  color: var(--muted);
  font-size: 0.9rem;
}

.placeholder-note {
  font-size: 0.75rem;
  color: var(--accent);
  font-style: italic;
}

.quote-form {
  background: var(--charcoal);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

.quote-form h3 {
  color: var(--white);
  margin-bottom: 1.25rem;
  font-size: 1.2rem;
}

.form-group {
  margin-bottom: 1.1rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--silver);
  margin-bottom: 0.4rem;
}

.form-group label .req { color: var(--accent-glow); }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 0.95rem;
  background: var(--navy);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--white);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group textarea { min-height: 110px; resize: vertical; }

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='%9aa8bc'%3E%3Cpath d='M0 0l6 8 6-8z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-success {
  display: none;
  text-align: center;
  padding: 2rem 1rem;
}

.form-success.show { display: block; }
.form-success h3 { color: var(--success); margin-bottom: 0.5rem; }
.form-success p { color: var(--muted); }

.form-fields.hide { display: none; }

/* —— Service detail blocks —— */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
}

.service-detail:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.service-detail:nth-child(even) { direction: rtl; }
.service-detail:nth-child(even) > * { direction: ltr; }

.service-detail-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 16/11;
  background: var(--charcoal);
}

.service-detail-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-detail h2 {
  color: var(--white);
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.service-detail p {
  color: var(--muted);
  margin-bottom: 1rem;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 1.25rem;
}

.feature-list li {
  color: var(--silver);
  font-size: 0.92rem;
  padding-left: 1.35rem;
  position: relative;
}

.feature-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent-glow);
}

/* —— Footer —— */
.site-footer {
  background: var(--navy-mid);
  border-top: 1px solid var(--border);
  padding: 3rem 0 1.5rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-brand .logo { margin-bottom: 0.85rem; }

.footer-brand p {
  color: var(--muted);
  font-size: 0.9rem;
  max-width: 22rem;
}

.footer-col h4 {
  color: var(--white);
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-col a {
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-col a:hover { color: var(--silver-bright); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--muted);
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

/* —— Utilities —— */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* —— Responsive —— */
@media (max-width: 900px) {
  .why-grid,
  .about-grid,
  .contact-grid,
  .service-detail,
  .service-detail:nth-child(even) {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .process-steps { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .menu-toggle { display: grid; place-items: center; }

  .nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--navy-mid);
    border-bottom: 1px solid var(--border);
    padding: 1rem;
    gap: 0.25rem;
    align-items: stretch;
  }

  .nav.open { display: flex; }

  .nav a {
    padding: 0.85rem 1rem;
  }

  .nav-cta {
    margin-left: 0 !important;
    text-align: center;
    margin-top: 0.5rem !important;
  }

  .hero { padding: 3rem 0 3.5rem; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.75rem; }
}

@media (max-width: 480px) {
  .process-steps { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr; }
  .trust-list { flex-direction: column; align-items: center; gap: 0.55rem; }
}