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

:root {
  --bg: #0e0e0e;
  --surface: #171717;
  --surface-2: #1f1f1f;
  --border: #2a2a2a;
  --text: #f0ebe1;
  --text-muted: #7a746c;
  --accent: #d4840a;
  --accent-dim: #a36608;
  --font-head: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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;
}

::selection { background: var(--accent); color: var(--bg); }

/* ── Typography ── */
.section-label {
  display: block;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-headline {
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 32px;
}

/* ── Nav ── */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 40px;
  background: rgba(14,14,14,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-tagline {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ── Hero ── */
.hero {
  position: relative;
  padding: 140px 40px 80px;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 60px;
  align-items: start;
}

.hero-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(36px, 5.5vw, 64px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 540px;
  line-height: 1.65;
}

.hero-meta {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding-top: 8px;
  border-left: 1px solid var(--border);
  padding-left: 40px;
}

.meta-block {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.meta-number {
  font-family: var(--font-head);
  font-size: 36px;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
  letter-spacing: -0.03em;
}

.meta-label {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.hero-decoration {
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 280px;
  pointer-events: none;
  display: flex;
  align-items: flex-end;
}

.deco-line {
  position: absolute;
  top: 0; bottom: 0;
  left: 40px;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--accent) 30%, var(--accent-dim) 70%, transparent);
  opacity: 0.3;
}

.deco-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  width: 100%;
  padding: 0 40px 60px 0;
}

.deco-cell {
  height: 48px;
  border: 1px solid var(--border);
  border-radius: 4px;
}

.deco-cell:nth-child(odd) { background: var(--surface); }
.deco-cell:nth-child(even) { background: var(--surface-2); }

/* ── Services ── */
.services {
  padding: 80px 40px;
  border-bottom: 1px solid var(--border);
}

.services-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.service-card {
  background: var(--surface);
  padding: 36px 32px;
  transition: background 0.2s;
}

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

.service-icon {
  color: var(--accent);
  margin-bottom: 20px;
  display: flex;
}

.service-card h3 {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ── Differentiators ── */
.diff-section {
  padding: 80px 40px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.diff-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 80px;
  align-items: center;
}

.diff-text h2 {
  font-family: var(--font-head);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 16px;
}

.diff-text > p {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 28px;
}

.diff-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.diff-list li {
  font-size: 15px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 12px;
}

.diff-marker {
  color: var(--accent);
  font-weight: 600;
  flex-shrink: 0;
}

.diff-stat-stack {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.diff-stat {
  background: var(--bg);
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-value {
  font-family: var(--font-head);
  font-size: 40px;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
  letter-spacing: -0.04em;
}

.stat-desc {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

/* ── Operating Model ── */
.model-section {
  padding: 80px 40px;
  border-bottom: 1px solid var(--border);
}

.model-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}

.model-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.model-num {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  display: block;
  margin-bottom: 4px;
}

.model-item h4 {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.model-item p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── Closing ── */
.closing-section {
  padding: 100px 40px;
  background: var(--surface);
}

.closing-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.closing-text h2 {
  font-family: var(--font-head);
  font-size: clamp(32px, 4.5vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 20px;
}

.closing-text p {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.7;
}

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

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer-logo {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
}

.footer-tagline {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.footer-meta {
  font-size: 12px;
  color: var(--text-muted);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-meta { border-left: none; padding-left: 0; flex-direction: row; flex-wrap: wrap; gap: 20px; }
  .hero-decoration { display: none; }
  .services-grid { grid-template-columns: 1fr; }
  .diff-inner { grid-template-columns: 1fr; gap: 40px; }
  .model-grid { grid-template-columns: repeat(2, 1fr); }
  .closing-inner { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .site-nav, .hero, .services, .diff-section, .model-section, .closing-section, .site-footer { padding-left: 20px; padding-right: 20px; }
  .model-grid { grid-template-columns: 1fr; }
  .meta-number { font-size: 28px; }
  .site-footer .footer-inner { flex-direction: column; gap: 12px; align-items: flex-start; }
}