/* === BASE === */
:root {
  --navy: #0B1F3A;
  --navy-deep: #071425;
  --gunmetal: #1E2A3A;
  --gunmetal-light: #2A3B52;
  --amber: #D97706;
  --amber-light: #F59E0B;
  --amber-glow: rgba(217, 119, 6, 0.15);
  --white: #F9F7F4;
  --off-white: #E8E4DC;
  --text-muted: #9CA8B8;
  --font-display: 'Bebas Neue', 'Arial Black', sans-serif;
  --font-body: 'Source Sans 3', 'Segoe UI', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--navy-deep);
  color: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* === HEADER === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 40px;
  background: rgba(7, 20, 37, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(217, 119, 6, 0.15);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
}

.wordmark {
  display: flex;
  align-items: baseline;
  gap: 0;
  line-height: 1;
}

.wordmark-iron {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.wordmark-bridge {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 0.12em;
  color: var(--white);
}

.header-tagline {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding-left: 16px;
  border-left: 1px solid var(--gunmetal-light);
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 40px 80px;
  overflow: hidden;
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(217, 119, 6, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(217, 119, 6, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 60%, black 40%, transparent 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(217, 119, 6, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.hero-eyebrow {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 24px;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(52px, 7vw, 88px);
  line-height: 1.0;
  letter-spacing: 0.02em;
  color: var(--white);
  margin-bottom: 28px;
}

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

.hero-sub {
  font-size: 18px;
  line-height: 1.65;
  color: var(--text-muted);
  max-width: 640px;
  font-weight: 300;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  border-top: 1px solid var(--gunmetal-light);
  padding-top: 40px;
}

.hero-stat {
  padding: 0 40px 0 0;
}

.hero-stat:first-child { padding-left: 0; }

.hero-stat-value {
  font-family: var(--font-display);
  font-size: 44px;
  color: var(--amber);
  letter-spacing: 0.02em;
  line-height: 1;
  margin-bottom: 6px;
}

.hero-stat-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  max-width: 160px;
  line-height: 1.4;
}

.hero-stat-divider {
  width: 1px;
  height: 60px;
  background: var(--gunmetal-light);
  margin-right: 40px;
  flex-shrink: 0;
}

/* === VALUE PROPS === */
.value-props {
  background: var(--gunmetal);
  padding: 100px 40px;
}

.value-props-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 52px);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--white);
  margin-bottom: 64px;
}

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

.prop-card {
  background: var(--navy);
  padding: 40px 36px;
  border: 1px solid var(--gunmetal-light);
  transition: border-color 0.2s;
}

.prop-card:hover {
  border-color: var(--amber);
}

.prop-icon {
  margin-bottom: 20px;
}

.prop-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.08em;
  color: var(--white);
  margin-bottom: 12px;
}

.prop-card p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-muted);
  font-weight: 300;
}

/* === MODEL === */
.model-section {
  background: var(--navy-deep);
  padding: 100px 40px;
  border-top: 1px solid var(--gunmetal-light);
}

.model-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.model-eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 16px;
}

.model-headline {
  font-family: var(--font-display);
  font-size: 40px;
  letter-spacing: 0.02em;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 20px;
}

.model-body {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-muted);
  font-weight: 300;
}

.model-streams {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.stream-item {
  padding: 28px 0;
  border-bottom: 1px solid var(--gunmetal-light);
}

.stream-item:first-child {
  border-top: 1px solid var(--gunmetal-light);
}

.stream-label {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.1em;
  color: var(--amber);
  margin-bottom: 8px;
}

.stream-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-muted);
  font-weight: 300;
}

/* === CLOSING === */
.closing-section {
  background: var(--gunmetal);
  padding: 100px 40px;
  border-top: 1px solid var(--gunmetal-light);
}

.closing-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.closing-stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 64px;
}

.closing-stat {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.closing-stat-num {
  font-family: var(--font-display);
  font-size: 56px;
  color: var(--amber);
  line-height: 1;
}

.closing-stat-text {
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-muted);
  font-weight: 300;
}

.closing-statement {
  border-left: 3px solid var(--amber);
  padding-left: 28px;
}

.closing-statement p {
  font-size: 18px;
  line-height: 1.7;
  color: var(--off-white);
  font-weight: 300;
  max-width: 760px;
}

/* === FOOTER === */
.site-footer {
  background: var(--navy-deep);
  padding: 48px 40px;
  border-top: 1px solid var(--gunmetal-light);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-brand {
  margin-bottom: 20px;
}

.footer-wordmark {
  display: flex;
  align-items: baseline;
  gap: 0;
  margin-bottom: 6px;
}

.footer-iron {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.footer-bridge {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.12em;
  color: var(--white);
}

.footer-tagline {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.footer-legal {
  font-size: 11px;
  line-height: 1.6;
  color: rgba(156, 168, 184, 0.5);
  max-width: 640px;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .site-header { padding: 16px 24px; }
  .hero { padding: 120px 24px 60px; }
  .hero-stats { flex-direction: column; align-items: flex-start; gap: 28px; }
  .hero-stat-divider { display: none; }
  .props-grid { grid-template-columns: 1fr; }
  .model-inner { grid-template-columns: 1fr; gap: 48px; }
  .closing-stat-row { grid-template-columns: 1fr; gap: 28px; }
  .value-props, .model-section, .closing-section { padding: 64px 24px; }
}

@media (max-width: 480px) {
  .wordmark-iron, .wordmark-bridge { font-size: 22px; }
  .hero-headline { font-size: 44px; }
  .hero-stat-value { font-size: 36px; }
  .closing-stat-num { font-size: 44px; }
}