/* ============================================================
   CLASSIC METAL FABRICATION — MAIN STYLESHEET
   Mobile-first. Breakpoints: 480 / 768 / 1024 / 1280
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');
@import 'themes.css';
@import 'theme-switcher.css';

/* ── Metal Effects ─────────────────────────────────────────
   Chrome/metallic treatments for dark themes.
   Applied via .metal-text, .metal-surface, .brushed classes.
──────────────────────────────────────────────────────────── */

/* Chrome gradient text — headings in dark themes */
[data-theme="a"] h1,
[data-theme="b"] h1,
[data-theme="c"] h1 {
  background: var(--metal-highlight);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Fallback: if background-clip:text isn't supported, use plain color */
@supports not (-webkit-background-clip: text) {
  [data-theme="a"] h1,
  [data-theme="b"] h1,
  [data-theme="c"] h1 { color: var(--text); }
}

/* Brushed metal surface — applied to hero overlay, section bg */
.brushed-surface {
  background: var(--metal-surface);
  position: relative;
}

/* Subtle horizontal-grain texture overlay on dark themes */
[data-theme="a"] .brushed-surface::after,
[data-theme="b"] .brushed-surface::after,
[data-theme="c"] .brushed-surface::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    transparent 0px,
    transparent 3px,
    rgba(255,255,255,0.012) 3px,
    rgba(255,255,255,0.012) 4px
  );
  pointer-events: none;
}

/* Accent glow on interactive elements */
.btn-primary {
  box-shadow: 0 0 0 0 var(--accent-glow);
  transition: background 0.2s, color 0.2s, border-color 0.2s,
              transform 0.1s, box-shadow 0.25s;
}

.btn-primary:hover {
  box-shadow: 0 0 20px var(--accent-glow), 0 4px 12px rgba(0,0,0,0.3);
}

/* Metal rule — decorative horizontal divider */
.metal-rule {
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--border-light) 20%,
    var(--accent) 50%,
    var(--border-light) 80%,
    transparent 100%
  );
  margin: 0.5rem 0;
}

/* Service card — bevel effect on dark themes */
[data-theme="a"] .service-card,
[data-theme="b"] .service-card,
[data-theme="c"] .service-card {
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.06),
    inset 0 -1px 0 rgba(0,0,0,0.3),
    var(--shadow-sm);
}

[data-theme="a"] .service-card:hover,
[data-theme="b"] .service-card:hover,
[data-theme="c"] .service-card:hover {
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.08),
    inset 0 -1px 0 rgba(0,0,0,0.4),
    0 8px 32px var(--accent-glow),
    var(--shadow);
}

/* Nav logo — metallic treatment on dark themes */
[data-theme="a"] .nav-logo,
[data-theme="b"] .nav-logo,
[data-theme="c"] .nav-logo {
  background: var(--metal-highlight);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.08em;
}

[data-theme="a"] .nav-logo span,
[data-theme="b"] .nav-logo span,
[data-theme="c"] .nav-logo span {
  background: linear-gradient(180deg, var(--accent) 0%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Light theme (D) — keep nav logo plain for legibility */
[data-theme="d"] .nav-logo { color: var(--text); }
[data-theme="d"] .nav-logo span { color: var(--accent); -webkit-text-fill-color: unset; }

/* Section divider accent bar */
.section-label::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--accent);
  vertical-align: middle;
  margin-right: 0.6rem;
  margin-bottom: 2px;
}

/* Stat numbers — metallic on dark themes */
[data-theme="a"] .stat-number,
[data-theme="b"] .stat-number,
[data-theme="c"] .stat-number {
  background: var(--metal-highlight);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Form inputs — subtle inset on dark themes */
[data-theme="a"] .form-input,
[data-theme="a"] .form-select,
[data-theme="a"] .form-textarea,
[data-theme="b"] .form-input,
[data-theme="b"] .form-select,
[data-theme="b"] .form-textarea,
[data-theme="c"] .form-input,
[data-theme="c"] .form-select,
[data-theme="c"] .form-textarea {
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.4), inset 0 1px 0 rgba(0,0,0,0.2);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
}

img, video { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--primary-hover); }

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  line-height: 1.15;
  color: var(--text);
  letter-spacing: 0.01em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.2rem; }

p { margin-bottom: 1rem; max-width: 70ch; }

/* ── Layout ── */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

@media (min-width: 768px)  { .container { padding: 0 2rem; } }
@media (min-width: 1280px) { .container { padding: 0 2.5rem; } }

section { padding: 4rem 0; }
@media (min-width: 768px) { section { padding: 6rem 0; } }

/* ── Navigation ── */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: background 0.3s;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  font-family: 'Oswald', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.nav-logo span { color: var(--accent); }

.nav-links {
  display: none;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 768px) {
  .nav-links { display: flex; }
}

.nav-links a {
  font-family: 'Oswald', sans-serif;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

.nav-cta {
  display: none;
}

@media (min-width: 768px) {
  .nav-cta { display: block; }
}

.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

@media (min-width: 768px) { .hamburger { display: none; } }

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: transform 0.3s, opacity 0.3s;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  gap: 1rem;
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
  font-family: 'Oswald', sans-serif;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

/* ── Buttons ── */
.btn {
  display: inline-block;
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.875rem 2rem;
  border-radius: var(--btn-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.1s;
  white-space: nowrap;
}

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

.btn-primary {
  background: var(--primary);
  color: var(--text-inverse);
  border-color: var(--primary);
}

.btn-primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: var(--text-inverse);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border-light);
}

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

.btn-phone {
  background: var(--accent);
  color: var(--text-inverse);
  border-color: var(--accent);
  font-size: 1.1rem;
}

.btn-phone:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: var(--text-inverse);
}

.btn-lg { padding: 1.1rem 2.5rem; font-size: 1.1rem; }
.btn-sm { padding: 0.6rem 1.25rem; font-size: 0.85rem; }
.btn-block { display: block; width: 100%; text-align: center; }

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--bg);
  overflow: hidden;
  margin-top: 0;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--hero-overlay);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 8rem 0 4rem;
}

.hero-eyebrow {
  font-family: 'Oswald', sans-serif;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.hero h1 {
  margin-bottom: 1.25rem;
  text-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.hero-trust {
  margin-top: 3rem;
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.trust-item strong { color: var(--text); }

/* ── Section Headers ── */
.section-label {
  font-family: 'Oswald', sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-title { margin-bottom: 1rem; }
.section-sub { color: var(--text-muted); font-size: 1.05rem; }

/* ── Service Cards ── */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 3rem;
}

@media (min-width: 480px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
}

.service-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  cursor: pointer;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--accent);
}

.service-card-img {
  aspect-ratio: 16/10;
  background: var(--bg-raised);
  overflow: hidden;
}

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

.service-card:hover .service-card-img img { transform: scale(1.04); }

.service-card-body {
  padding: 1.5rem;
}

.service-card-body h3 { margin-bottom: 0.5rem; font-size: 1.15rem; }
.service-card-body p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 1rem; }

.service-card-featured {
  grid-column: 1 / -1;
}

@media (min-width: 1024px) {
  .service-card-featured { grid-column: span 2; }
}

/* ── Lead Form ── */
.lead-form-section {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 2.5rem 1.5rem;
}

@media (min-width: 768px) {
  .lead-form-section { padding: 3rem; }
}

.lead-form-title { margin-bottom: 0.5rem; }
.lead-form-sub { color: var(--text-muted); margin-bottom: 2rem; }

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

@media (min-width: 640px) {
  .form-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid .form-group-full { grid-column: 1 / -1; }
}

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }

.form-label {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.form-input,
.form-select,
.form-textarea {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  padding: 0.75rem 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent);
}

.form-textarea { min-height: 120px; resize: vertical; }
.form-select { cursor: pointer; }

.form-submit-row {
  margin-top: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
}

.form-privacy {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.form-success, .form-error {
  display: none;
  padding: 1rem 1.25rem;
  border-radius: 4px;
  font-size: 0.95rem;
  margin-top: 1rem;
}

.form-success {
  background: color-mix(in srgb, #22c55e 15%, transparent);
  border: 1px solid #22c55e;
  color: #22c55e;
}

.form-error {
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  border: 1px solid var(--accent);
  color: var(--accent);
}

/* ── Two-column split (content + form) ── */
.split-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}

@media (min-width: 1024px) {
  .split-section { grid-template-columns: 1fr 480px; gap: 5rem; }
}

/* ── Gallery / Portfolio ── */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-top: 2rem;
}

@media (min-width: 640px) {
  .gallery-grid { grid-template-columns: repeat(3, 1fr); gap: 1rem; }
}

@media (min-width: 1024px) {
  .gallery-grid { grid-template-columns: repeat(4, 1fr); }
}

.gallery-item {
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: var(--card-radius);
  background: var(--bg-raised);
  cursor: pointer;
}

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

.gallery-item:hover img { transform: scale(1.06); }

/* ── Why Choose Us / Stats ── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

@media (min-width: 768px) {
  .stats-row { grid-template-columns: repeat(4, 1fr); }
}

.stat {
  text-align: center;
  padding: 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
}

.stat-number {
  font-family: 'Oswald', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label { font-size: 0.85rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; }

/* ── Testimonials ── */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 3rem;
}

@media (min-width: 768px) {
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1280px) {
  .testimonials-grid { grid-template-columns: repeat(3, 1fr); }
}

.testimonial-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 1.75rem;
}

.testimonial-stars { color: #f59e0b; font-size: 1rem; margin-bottom: 0.75rem; }
.testimonial-text { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 1.25rem; font-style: italic; }
.testimonial-author { font-weight: 600; font-size: 0.9rem; }
.testimonial-location { font-size: 0.8rem; color: var(--text-muted); }

/* ── Process Steps ── */
.process-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 3rem;
  counter-reset: step;
}

@media (min-width: 768px) {
  .process-steps { grid-template-columns: repeat(4, 1fr); }
}

.process-step { position: relative; text-align: center; padding: 1.5rem 1rem; }
.process-step-number {
  width: 52px; height: 52px;
  background: var(--primary);
  color: var(--text-inverse);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Oswald', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0 auto 1rem;
}

.process-step h4 { margin-bottom: 0.5rem; }
.process-step p { font-size: 0.9rem; color: var(--text-muted); max-width: 100%; }

/* ── CTA Band ── */
.cta-band {
  background: var(--primary);
  padding: 4rem 0;
}

.cta-band h2, .cta-band p { color: var(--text-inverse); }
.cta-band h2 { margin-bottom: 0.75rem; }
.cta-band p { margin-bottom: 2rem; opacity: 0.85; }

.cta-band .btn-outline {
  border-color: var(--text-inverse);
  color: var(--text-inverse);
}

.cta-band .btn-outline:hover {
  background: var(--text-inverse);
  color: var(--primary);
}

/* ── Footer ── */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 3rem 0 1.5rem;
}

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

@media (min-width: 640px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1.5fr; }
}

.footer-brand p { color: var(--text-muted); font-size: 0.9rem; margin-top: 0.75rem; }

.footer-col-title {
  font-family: 'Oswald', sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--accent); }

.footer-contact-item {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ── Utility ── */
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.bg-raised { background: var(--bg-raised); }
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0);
}