:root {
  --bg: #0c0c0e;
  --bg-2: #111114;
  --surface: #18181c;
  --surface-2: #1f1f24;
  --accent: #f59e0b;
  --accent-dim: #b47408;
  --text: #f0ede6;
  --text-muted: #8a8a96;
  --border: #2a2a33;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ─── NAV ────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(12,12,14,0.92);
  backdrop-filter: blur(12px);
  z-index: 100;
}

.wordmark {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.15em;
  color: var(--text);
}

.tagline {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* ─── HERO ───────────────────────────────── */
.hero {
  min-height: 88vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 80px 40px 60px;
  gap: 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(245,158,11,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  gap: 28px;
  max-width: 520px;
}

.hero-eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
}

.hero-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(2.6rem, 5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text);
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 440px;
}

.hero-cta-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.cta-badge {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(245,158,11,0.3);
  padding: 5px 12px;
  border-radius: 2px;
  font-weight: 500;
}

.cta-sep {
  color: var(--border);
  font-size: 1.2rem;
}

/* hero visual - metal shapes */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.metal-shapes {
  position: relative;
  width: 380px;
  height: 380px;
}

.shape {
  position: absolute;
  border-radius: 4px;
}

.shape-1 {
  width: 220px;
  height: 220px;
  top: 30px;
  left: 30px;
  border: 1px solid rgba(245,158,11,0.25);
  transform: rotate(15deg);
}

.shape-2 {
  width: 160px;
  height: 160px;
  top: 100px;
  left: 120px;
  border: 1px solid rgba(245,158,11,0.4);
  transform: rotate(-8deg);
}

.shape-3 {
  width: 100px;
  height: 100px;
  top: 150px;
  left: 60px;
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.6);
  transform: rotate(30deg);
}

.crosshair {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
}

.crosshair::before,
.crosshair::after {
  content: '';
  position: absolute;
  background: var(--accent);
}

.crosshair::before {
  width: 2px;
  height: 100%;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
}

.crosshair::after {
  height: 2px;
  width: 100%;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}

/* ─── STATS ─────────────────────────────── */
.stats-row {
  display: flex;
  align-items: stretch;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}

.stat {
  flex: 1;
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-divider {
  width: 1px;
  background: var(--border);
  align-self: stretch;
}

.stat-value {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 2rem;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ─── SERVICES ───────────────────────────── */
.services {
  padding: 100px 40px;
  background: var(--bg);
}

.section-header {
  margin-bottom: 56px;
}

.section-label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  font-weight: 500;
}

.section-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  letter-spacing: -0.02em;
  color: var(--text);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.service-card {
  background: var(--surface);
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: background 0.2s;
}

.service-card:hover {
  background: var(--surface-2);
}

.service-icon {
  color: var(--accent);
  width: 32px;
  height: 32px;
}

.service-name {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  letter-spacing: -0.01em;
}

.service-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ─── PROCESS ────────────────────────────── */
.process {
  padding: 100px 40px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}

.process-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.process-title {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.1;
  margin-bottom: 24px;
}

.process-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: flex;
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}

.step:last-child {
  border-bottom: none;
}

.step-num {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--accent);
  opacity: 0.6;
  min-width: 48px;
  letter-spacing: -0.02em;
  line-height: 1;
  padding-top: 2px;
}

.step-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text);
  margin-bottom: 6px;
}

.step-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ─── MATERIALS ──────────────────────────── */
.materials {
  padding: 100px 40px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.mat-grid {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.mat-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 20px 28px;
  border-radius: 4px;
  flex: 1;
  min-width: 200px;
}

.mat-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.mat-steel { background: #8a8a96; }
.mat-inox { background: #c0c0c8; }
.mat-alu { background: #d4d4d4; }
.mat-zinc { background: #e8e8e8; }
.mat-copper { background: #c97a4a; }

.mat-name {
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 3px;
}

.mat-grades {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

/* ─── CLOSING ────────────────────────────── */
.closing {
  padding: 120px 40px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.closing-inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
  position: relative;
}

.closing-rising {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, var(--accent));
  margin: 0 auto 48px;
}

.closing-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 28px;
  line-height: 1.05;
}

.closing-body {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ─── FOOTER ─────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 40px;
  background: var(--bg-2);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

.footer-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ─── RESPONSIVE ─────────────────────────── */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding: 60px 24px 40px; }
  .hero-visual { display: none; }
  .stats-row { flex-wrap: wrap; }
  .stat { min-width: 45%; }
  .stat-divider { display: none; }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .process-inner { grid-template-columns: 1fr; gap: 48px; }
  .mat-grid { flex-direction: column; }
  .mat-card { min-width: unset; }
  .topbar { padding: 16px 24px; }
  .services, .process, .materials, .closing { padding: 60px 24px; }
  .footer-inner { flex-direction: column; gap: 8px; align-items: flex-start; }
}

@media (max-width: 600px) {
  .service-grid { grid-template-columns: 1fr; }
  .stat { min-width: 100%; padding: 24px 20px; }
  .stat-value { font-size: 1.6rem; }
}