:root {
  --bg: #0f1419;
  --bg-elevated: #1a2332;
  --card: #1e2a3a;
  --text: #e8edf2;
  --muted: #94a3b8;
  --accent: #d4a853;
  --accent-hover: #e8bc6a;
  --accent-dim: rgba(212, 168, 83, 0.12);
  --border: #2d3a4d;
  --gradient: linear-gradient(135deg, #1a2332 0%, #0f1419 100%);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 20, 25, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: 1080px;
  margin: 0 auto;
}

.logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--accent);
  font-weight: 600;
}

.nav-desktop {
  display: flex;
  gap: 0.25rem;
  align-items: center;
}

.nav-desktop a {
  padding: 0.45rem 0.85rem;
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 500;
}

.nav-desktop a:hover,
.nav-desktop a.active {
  color: var(--text);
  background: var(--accent-dim);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.4rem 0.65rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1.1rem;
}

.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 0 1.5rem 1rem;
  max-width: 1080px;
  margin: 0 auto;
}

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

.nav-mobile a {
  padding: 0.65rem 0;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}

.nav-mobile a:last-child { border-bottom: none; }

/* Hero */
.hero {
  background: var(--gradient);
  padding: 5rem 0 4.5rem;
  border-bottom: 1px solid var(--border);
}

.hero-tag {
  display: inline-block;
  padding: 0.3rem 0.85rem;
  background: var(--accent-dim);
  border: 1px solid rgba(212, 168, 83, 0.25);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.15;
  margin: 0 0 1.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  max-width: 18ch;
}

.hero-lead {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 52ch;
  margin: 0 0 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background 0.15s, transform 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: #0f1419;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #0f1419;
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

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

/* Sections */
section {
  padding: 4rem 0;
}

section:nth-child(even) {
  background: var(--bg-elevated);
}

.section-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

section h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.section-intro {
  color: var(--muted);
  max-width: 60ch;
  margin: 0 0 2.5rem;
  font-size: 1.05rem;
}

/* Cards grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
}

.card h3 {
  margin: 0 0 0.65rem;
  font-size: 1.1rem;
  color: var(--text);
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.card-icon {
  width: 2.5rem;
  height: 2.5rem;
  background: var(--accent-dim);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  counter-reset: step;
}

.step {
  position: relative;
  padding-left: 3.5rem;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.25rem;
  height: 2.25rem;
  background: var(--accent);
  color: #0f1419;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
}

.step h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.step p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* Partnership table */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th, td {
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  background: var(--card);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

tr:last-child td { border-bottom: none; }

td { color: var(--muted); }

td strong { color: var(--text); }

/* Whitepaper teaser */
.whitepaper-teaser {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem;
  align-items: center;
}

.whitepaper-teaser blockquote {
  margin: 0 0 0.75rem;
  font-style: italic;
  color: var(--accent);
  font-size: 1.05rem;
}

.whitepaper-teaser p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* CTA band */
.cta-band {
  background: var(--accent-dim);
  border-top: 1px solid rgba(212, 168, 83, 0.2);
  border-bottom: 1px solid rgba(212, 168, 83, 0.2);
  padding: 3.5rem 0;
  text-align: center;
}

.cta-band h2 {
  margin: 0 0 0.75rem;
}

.cta-band p {
  color: var(--muted);
  margin: 0 0 1.5rem;
}

/* Page header (inner pages) */
.page-header {
  background: var(--gradient);
  padding: 3rem 0 2.5rem;
  border-bottom: 1px solid var(--border);
}

.page-header h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  letter-spacing: -0.02em;
}

.page-header p {
  margin: 0;
  color: var(--muted);
  max-width: 55ch;
  font-size: 1.05rem;
}

/* Main content */
.page-content {
  padding: 3rem 0 4rem;
}

.page-content h2 {
  font-size: 1.35rem;
  margin: 2rem 0 0.75rem;
  color: var(--text);
}

.page-content h2:first-child { margin-top: 0; }

.page-content p,
.page-content li {
  color: var(--muted);
  font-size: 0.98rem;
}

.page-content ul {
  padding-left: 1.25rem;
}

.page-content ul li { margin-bottom: 0.4rem; }

/* Contact form */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.contact-details h3 {
  margin: 0 0 1rem;
  font-size: 1.1rem;
}

.contact-item {
  margin-bottom: 1.25rem;
}

.contact-item label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.contact-item a,
.contact-item span {
  color: var(--text);
  font-size: 1rem;
}

.contact-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.15rem;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
}

.form-note {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.75rem;
}

/* Insight cards */
.insight-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.insight-card {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem 1.75rem;
  transition: border-color 0.15s;
}

.insight-card:hover {
  border-color: var(--accent);
}

.insight-card h3 {
  margin: 0 0 0.35rem;
  color: var(--text);
  font-size: 1.05rem;
}

.insight-card .meta {
  font-size: 0.82rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.insight-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  background: var(--bg);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: start;
}

.footer-brand p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
}

.footer-links a {
  color: var(--muted);
  font-size: 0.88rem;
}

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

.footer-legal {
  width: 100%;
  padding-top: 1.5rem;
  margin-top: 0.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--muted);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-desktop { display: none; }
  .nav-toggle { display: block; }

  .hero { padding: 3.5rem 0 3rem; }

  .whitepaper-teaser {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  section { padding: 3rem 0; }
}