/* ==========================================
   VeinLogix — Industrial Dark Theme
   Coal Logistics & Site Management
   ========================================== */

:root {
  --bg: #0d0d0f;
  --bg-2: #111116;
  --bg-3: #16161b;
  --surface: #1a1a20;
  --surface-2: #222228;
  --amber: #e87722;
  --amber-dim: rgba(232, 119, 34, 0.12);
  --amber-glow: rgba(232, 119, 34, 0.06);
  --text: #e8e8e0;
  --text-2: #989890;
  --text-3: #5a5a54;
  --border: #2a2a30;
  --font-display: 'Bebas Neue', 'Arial Black', sans-serif;
  --font-body: 'IBM Plex Sans', 'Helvetica Neue', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---- Navigation ---- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 0;
  background: rgba(13, 13, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 3px;
  color: var(--text);
}
.nav-logo-accent { color: var(--amber); }
.nav-tagline {
  font-size: 12px;
  color: var(--text-3);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  overflow: hidden;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(232,119,34,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232,119,34,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 60% 50%, black 20%, transparent 80%);
}
.hero-atmosphere {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 60%;
  background: radial-gradient(ellipse at center, rgba(232,119,34,0.06) 0%, transparent 65%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-overline {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 24px;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(56px, 8vw, 96px);
  line-height: 0.95;
  letter-spacing: 2px;
  color: var(--text);
  margin-bottom: 32px;
}
.hero-lede {
  font-size: 17px;
  color: var(--text-2);
  max-width: 460px;
  line-height: 1.7;
}
.hero-right {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.hero-truck-art {
  width: 100%;
}
.hero-truck-art svg {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 0 40px rgba(232,119,34,0.1));
}
.hero-metrics {
  display: flex;
  gap: 40px;
}
.hero-metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero-metric-val {
  font-family: var(--font-display);
  font-size: 40px;
  color: var(--amber);
  letter-spacing: 2px;
  line-height: 1;
}
.hero-metric-label {
  font-size: 12px;
  color: var(--text-3);
  line-height: 1.4;
}

/* ---- Stats ---- */
.stats {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 48px 0;
  background: var(--bg-2);
}
.stats-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  gap: 0;
}
.stat {
  flex: 1;
  padding: 0 40px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat:first-child { padding-left: 0; }
.stat-number {
  font-family: var(--font-display);
  font-size: 48px;
  color: var(--amber);
  letter-spacing: 1px;
  line-height: 1;
}
.stat-unit {
  font-size: 13px;
  color: var(--amber);
  opacity: 0.7;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.stat-desc {
  font-size: 12px;
  color: var(--text-3);
  line-height: 1.5;
}
.stat-divider {
  width: 1px;
  height: 80px;
  background: var(--border);
  flex-shrink: 0;
}

/* ---- Services ---- */
.services {
  padding: 120px 0;
  background: var(--bg);
}
.services-header {
  max-width: 1200px;
  margin: 0 auto 64px;
  padding: 0 40px;
}
.services-title {
  font-family: var(--font-display);
  font-size: 64px;
  letter-spacing: 2px;
  color: var(--text);
  margin-bottom: 16px;
}
.services-sub {
  font-size: 16px;
  color: var(--text-2);
  max-width: 480px;
}
.services-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.service-card {
  background: var(--bg-2);
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: background 0.2s;
}
.service-card:hover { background: var(--surface); }
.service-icon { width: 32px; }
.service-name {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 1px;
  color: var(--text);
}
.service-desc {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
  flex: 1;
}
.service-tag {
  font-size: 11px;
  color: var(--amber);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border: 1px solid rgba(232,119,34,0.3);
  padding: 6px 10px;
  display: inline-block;
  width: fit-content;
}

/* ---- Differentiation ---- */
.diff {
  padding: 120px 0;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.diff-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.diff-label {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 20px;
}
.diff-headline {
  font-family: var(--font-display);
  font-size: 42px;
  line-height: 1.05;
  letter-spacing: 1px;
  color: var(--text);
  margin-bottom: 24px;
}
.diff-body {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.8;
}
.diff-right {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding-top: 16px;
}
.diff-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
.diff-item:last-child { border-bottom: none; padding-bottom: 0; }
.diff-icon {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(232,119,34,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.diff-item-title {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 1px;
  color: var(--text);
  margin-bottom: 6px;
}
.diff-item-body {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.6;
}

/* ---- Case Statement ---- */
.case {
  padding: 100px 0;
  background: var(--bg);
  position: relative;
}
.case-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 40px;
  text-align: center;
}
.case-quote-mark {
  font-family: var(--font-display);
  font-size: 120px;
  color: var(--amber);
  opacity: 0.15;
  line-height: 0.5;
  margin-bottom: 32px;
}
.case-quote {
  font-family: var(--font-display);
  font-size: 32px;
  letter-spacing: 1px;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 28px;
}
.case-attr {
  font-size: 13px;
  color: var(--text-3);
  letter-spacing: 1px;
}

/* ---- Closing ---- */
.closing {
  padding: 120px 0;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}
.closing-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 40px;
  text-align: center;
}
.closing-eyebrow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 48px;
}
.closing-line {
  flex: 1;
  max-width: 120px;
  height: 1px;
  background: var(--amber);
  opacity: 0.4;
}
.closing-text {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--amber);
}
.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(40px, 5.5vw, 68px);
  line-height: 1.05;
  letter-spacing: 1px;
  color: var(--text);
  margin-bottom: 32px;
}
.closing-body {
  font-size: 16px;
  color: var(--text-2);
  line-height: 1.8;
  max-width: 620px;
  margin: 0 auto 48px;
}
.closing-cta-block {
  display: flex;
  justify-content: center;
}
.closing-cta-text {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 2px;
  color: var(--amber);
  opacity: 0.6;
}

/* ---- Footer ---- */
.footer {
  background: var(--bg-3);
  border-top: 1px solid var(--border);
  padding: 80px 0 40px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  margin-bottom: 64px;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 4px;
  color: var(--text);
  display: block;
  margin-bottom: 16px;
}
.footer-logo-accent { color: var(--amber); }
.footer-desc {
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.6;
}
.footer-right {
  display: flex;
  gap: 60px;
}
.footer-col { flex: 1; }
.footer-col-head {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 16px;
}
.footer-col p {
  font-size: 13px;
  color: var(--text-3);
  line-height: 2;
}
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 40px 0;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-bottom p {
  font-size: 12px;
  color: var(--text-3);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .hero-content { grid-template-columns: 1fr; gap: 48px; }
  .hero-right { order: -1; }
  .hero-metrics { gap: 24px; }
  .services-grid { grid-template-columns: 1fr; }
  .diff-inner { grid-template-columns: 1fr; gap: 48px; }
  .stats-inner { flex-direction: column; gap: 32px; }
  .stat { padding: 0; }
  .stat-divider { width: 80px; height: 1px; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-right { flex-direction: column; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .nav-inner { padding: 0 20px; }
  .nav-tagline { display: none; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 48px; }
  .services-title { font-size: 48px; }
  .diff-headline { font-size: 32px; }
  .case-quote { font-size: 22px; }
}