/* ============================================================
   Master Mechanics — Dark Industrial Theme
   Palette: charcoal blacks, warm gold accent, real workshop photos
   Typography: Archivo Black (headings) + Source Sans 3 (body)
   ============================================================ */

/* --- Custom Properties --- */
:root {
  --bg-primary: #0f0f0f;
  --bg-secondary: #161616;
  --bg-tertiary: #1e1e1e;
  --bg-card: #1a1a1a;
  --text-primary: #f0ede8;
  --text-secondary: #9a9a9a;
  --text-dim: #666;
  --accent: #c8a55c;
  --accent-hover: #dab96e;
  --accent-dark: #a6873d;
  --border: #2a2a2a;
  --overlay: rgba(0, 0, 0, 0.55);
  --overlay-heavy: rgba(0, 0, 0, 0.72);
  --radius: 6px;
  --radius-lg: 12px;
  --transition: 0.3s ease;
  --max-width: 1200px;
  --header-height: 72px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Source Sans 3', 'Source Sans Pro', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: 'Archivo Black', 'Arial Black', sans-serif;
  font-weight: 400; /* Archivo Black is already heavy */
  line-height: 1.1;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

h1 { font-size: clamp(2rem, 6vw, 3.8rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.6rem); }
h3 { font-size: clamp(1.2rem, 3vw, 1.6rem); }
h4 { font-size: 1.1rem; }

p { margin-bottom: 1rem; }
.text-accent { color: var(--accent); }
.text-secondary { color: var(--text-secondary); }
.text-dim { color: var(--text-dim); }

.section-label {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  display: block;
}

.section-intro {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 80px 0;
}

/* --- Header / Nav --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 20px;
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(15, 15, 15, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.site-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-decoration: none;
  line-height: 1;
  gap: 2px;
}

.logo-sub {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.55rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.logo-main {
  font-family: 'Archivo Black', sans-serif;
  font-size: 1.25rem;
  text-transform: uppercase;
  color: var(--text-primary);
  letter-spacing: 0.06em;
}

/* Desktop nav */
.nav-links {
  display: none;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color var(--transition);
  padding: 8px 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-phone {
  display: none;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
}

/* Burger */
.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1002;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile overlay nav */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 10, 10, 0.97);
  z-index: 1001;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.mobile-nav.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-nav a {
  font-family: 'Archivo Black', sans-serif;
  font-size: 1.8rem;
  text-transform: uppercase;
  color: var(--text-primary);
  letter-spacing: 0.06em;
  transition: color var(--transition);
}

.mobile-nav a:hover {
  color: var(--accent);
}

.mobile-nav .mobile-nav-phone {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: 16px;
  letter-spacing: 0.05em;
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero-image {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(15, 15, 15, 0.92) 0%,
    rgba(15, 15, 15, 0.6) 40%,
    rgba(15, 15, 15, 0.3) 70%,
    rgba(15, 15, 15, 0.15) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 20px 60px;
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.hero h1 {
  margin-bottom: 16px;
}

.hero h1 .accent-dot {
  color: var(--accent);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
  max-width: 480px;
  line-height: 1.6;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 28px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  min-height: 48px;
  min-width: 44px;
}

.btn-primary {
  background: var(--accent);
  color: #0f0f0f;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #0f0f0f;
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  border-color: var(--text-secondary);
  color: var(--text-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--accent);
  padding: 14px 16px;
}

.btn-ghost:hover {
  color: var(--accent-hover);
}

/* --- Services Grid --- */
.services-overview {
  background: var(--bg-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 40px;
}

.service-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: border-color var(--transition), transform var(--transition);
}

.service-card:hover {
  border-color: var(--accent-dark);
  transform: translateY(-2px);
}

.service-card h3 {
  margin-bottom: 10px;
  font-size: 1.15rem;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 0;
}

.service-card .service-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(200, 165, 92, 0.1);
  padding: 4px 10px;
  border-radius: 3px;
  margin-bottom: 14px;
}

/* --- Trust / Reviews --- */
.trust-section {
  background: var(--bg-primary);
}

.trust-header {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 40px;
}

.trust-rating {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.stars {
  color: var(--accent);
  font-size: 1rem;
  letter-spacing: 2px;
}

.reviews-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.review-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
}

.review-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-primary);
  margin-bottom: 16px;
  font-style: italic;
}

.review-text::before {
  content: '\201C';
  font-size: 2rem;
  color: var(--accent);
  line-height: 0;
  vertical-align: -0.3em;
  margin-right: 4px;
}

.review-author {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.review-author span {
  color: var(--text-dim);
  font-weight: 400;
}

/* --- Photo Strip --- */
.photo-strip {
  background: var(--bg-secondary);
  padding: 60px 0;
  overflow: hidden;
}

.photo-strip-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 0 20px;
}

.photo-strip-inner img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius);
}

/* --- About Preview --- */
.about-preview {
  background: var(--bg-primary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

.about-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.about-text h2 {
  margin-bottom: 20px;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.7;
}

.about-text .highlight-list {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.highlight-item .check {
  color: var(--accent);
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* --- CTA Banner --- */
.cta-banner {
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
  padding: 60px 20px;
}

.cta-banner h2 {
  margin-bottom: 12px;
}

.cta-banner p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-size: 1.05rem;
}

/* --- Page Hero (interior pages) --- */
.page-hero {
  position: relative;
  padding: 160px 0 80px;
  overflow: hidden;
  min-height: 360px;
  display: flex;
  align-items: flex-end;
}

.page-hero .hero-image {
  position: absolute;
  inset: 0;
}

.page-hero .hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(15, 15, 15, 0.95) 0%,
    rgba(15, 15, 15, 0.5) 60%,
    rgba(15, 15, 15, 0.3) 100%
  );
}

.page-hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

.page-hero h1 {
  margin-bottom: 12px;
}

.page-hero .hero-sub {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 500px;
}

/* --- Services Detail Page --- */
.service-detail {
  background: var(--bg-primary);
  padding: 60px 0;
}

.service-detail + .service-detail {
  border-top: 1px solid var(--border);
}

.service-detail:nth-child(even) {
  background: var(--bg-secondary);
}

.service-detail-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.service-detail-text h2 {
  margin-bottom: 16px;
}

.service-detail-text p {
  color: var(--text-secondary);
  line-height: 1.7;
}

.service-detail-text ul {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-detail-text li {
  color: var(--text-secondary);
  padding-left: 20px;
  position: relative;
  font-size: 0.95rem;
}

.service-detail-text li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

/* --- About Page --- */
.about-section {
  padding: 60px 0;
}

.about-section + .about-section {
  border-top: 1px solid var(--border);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}

.about-content img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.about-content h2 {
  margin-bottom: 16px;
}

.about-content p {
  color: var(--text-secondary);
  line-height: 1.7;
}

.values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 32px;
}

.value-item {
  padding: 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.value-item h3 {
  margin-bottom: 8px;
  font-size: 1rem;
  color: var(--accent);
}

.value-item p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 0;
}

/* --- Contact Page --- */
.contact-section {
  padding: 60px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-block h3 {
  font-size: 0.9rem;
  color: var(--accent);
  margin-bottom: 8px;
}

.contact-block p,
.contact-block a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.contact-block a {
  color: var(--text-primary);
}

.hours-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hours-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 4px 0;
}

.hours-row .day { font-weight: 600; color: var(--text-primary); }
.hours-row.closed .time { color: var(--text-dim); }

/* Contact Form */
.contact-form {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
}

.contact-form h3 {
  margin-bottom: 24px;
  font-size: 1.2rem;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: 'Source Sans 3', sans-serif;
  font-size: 1rem;
  transition: border-color var(--transition);
  min-height: 48px;
}

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

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.form-success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}

.form-success.visible {
  display: block;
}

.form-success h3 {
  color: var(--accent);
  margin-bottom: 12px;
}

.form-success p {
  color: var(--text-secondary);
}

/* --- Footer --- */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 48px 0 24px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-brand .site-logo {
  margin-bottom: 12px;
}

.footer-brand p {
  color: var(--text-dim);
  font-size: 0.9rem;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  color: var(--text-dim);
  font-size: 0.9rem;
  padding: 4px 0;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.footer-bottom a {
  color: var(--text-dim);
}

/* --- Sticky Mobile CTA --- */
.mobile-cta {
  display: flex;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 10px 16px;
  padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px));
  gap: 10px;
}

.mobile-cta .btn {
  flex: 1;
  font-size: 0.85rem;
  padding: 12px 16px;
  min-height: 48px;
}

body:has(.mobile-cta) .site-footer {
  padding-bottom: 80px;
}

/* --- Scroll Reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* --- Responsive: Tablet (768px+) --- */
@media (min-width: 768px) {
  .container { padding: 0 32px; }
  section { padding: 100px 0; }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }

  .about-image img { height: 400px; }

  .photo-strip-inner {
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    padding: 0 32px;
  }

  .photo-strip-inner img { height: 240px; }

  .service-detail-inner {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }

  .service-detail:nth-child(even) .service-detail-inner {
    direction: rtl;
  }

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

  .about-content {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }

  .about-content img { height: 360px; }

  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .footer-inner {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* --- Responsive: Desktop (1024px+) --- */
@media (min-width: 1024px) {
  .nav-links { display: flex; }
  .nav-phone { display: block; }
  .nav-toggle { display: none; }
  .mobile-cta { display: none; }

  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero-content { padding-bottom: 80px; }

  .page-hero { min-height: 420px; padding: 180px 0 80px; }
}

/* --- Responsive: Wide (1280px+) --- */
@media (min-width: 1280px) {
  .container { padding: 0 40px; }

  .reviews-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-inner {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

/* --- Privacy / Legal Pages --- */
.legal-content {
  padding: 140px 0 80px;
}

.legal-content h1 {
  margin-bottom: 32px;
  text-transform: none;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
}

.legal-content h2 {
  margin-top: 32px;
  margin-bottom: 12px;
  font-size: 1.1rem;
  text-transform: none;
}

.legal-content p,
.legal-content li {
  color: var(--text-secondary);
  line-height: 1.7;
}

.legal-content ul {
  padding-left: 20px;
  margin-bottom: 16px;
}

.legal-content li {
  list-style: disc;
  margin-bottom: 6px;
}

/* --- 404 Page --- */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 20px;
}

.error-page h1 {
  font-size: clamp(4rem, 15vw, 8rem);
  color: var(--border);
  margin-bottom: 16px;
}

.error-page p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

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

/* Print */
@media print {
  .site-header, .mobile-cta, .nav-toggle, .mobile-nav { display: none; }
  body { background: #fff; color: #111; }
  .hero { min-height: auto; }
}