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

:root {
  --bg: #080809;
  --surface: #111113;
  --border: #1c1c1f;
  --text: #e8e4df;
  --text-muted: #7a7672;
  --accent: #f59e0b;
  --accent-dim: rgba(245, 158, 11, 0.12);
  --accent-glow: rgba(245, 158, 11, 0.06);
}

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;
  overflow-x: hidden;
}

/* ── Typography ── */
h1, h2, h3, h4 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.section-label {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ── Navigation ── */
.topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  font-family: 'Syne', sans-serif;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
}

.nav-tag {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ── Hero ── */
.hero {
  min-height: 85vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 80px 48px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.hero-content {
  max-width: 600px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
  background: var(--accent-dim);
  padding: 6px 14px;
  border-radius: 100px;
}

.hero-headline {
  font-size: clamp(2.4rem, 5vw, 4rem);
  color: var(--text);
  margin-bottom: 28px;
  line-height: 1.08;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 480px;
}

/* Orb visual */
.hero-orb-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  height: 480px;
}

.orb {
  border-radius: 50%;
  position: absolute;
}

.orb-1 {
  width: 340px;
  height: 340px;
  background: radial-gradient(circle at 40% 40%, #f59e0b 0%, rgba(245,158,11,0.4) 40%, rgba(245,158,11,0) 70%);
  filter: blur(2px);
  animation: pulse 4s ease-in-out infinite;
}

.orb-2 {
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(245,158,11,0.8) 0%, rgba(245,158,11,0.2) 50%, transparent 70%);
  filter: blur(1px);
  animation: pulse 3s ease-in-out infinite 0.8s;
}

.orb-3 {
  width: 80px;
  height: 80px;
  background: radial-gradient(circle, #f59e0b 0%, rgba(245,158,11,0.5) 60%, transparent 80%);
  filter: blur(0.5px);
  animation: pulse 2.5s ease-in-out infinite 1.6s;
  box-shadow: 0 0 40px rgba(245,158,11,0.5);
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.85; }
  50% { transform: scale(1.06); opacity: 1; }
}

/* ── Features ── */
.features {
  padding: 100px 48px;
  border-bottom: 1px solid var(--border);
}

.features-header {
  max-width: 600px;
  margin-bottom: 64px;
}

.features-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  color: var(--text);
  margin-top: 12px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.feature-card {
  background: var(--bg);
  padding: 40px;
  transition: background 0.2s;
}

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

.feature-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-dim);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.2rem;
  color: var(--text);
  margin-bottom: 12px;
  font-family: 'Syne', sans-serif;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ── Differentiators ── */
.differentiators {
  padding: 100px 48px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

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

.diff-text h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: var(--text);
  margin-top: 12px;
  margin-bottom: 20px;
}

.diff-text p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 28px;
}

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

.diff-list li {
  color: var(--text);
  font-size: 0.95rem;
  padding-left: 20px;
  position: relative;
}

.diff-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.diff-visual {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.diff-block {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 32px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  transition: border-color 0.2s;
}

.diff-block:hover {
  border-color: rgba(245,158,11,0.3);
}

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

.diff-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ── Manifesto ── */
.manifesto {
  padding: 100px 48px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  text-align: center;
}

.manifesto-inner {
  max-width: 860px;
  margin: 0 auto;
}

blockquote {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
}

.manifesto p {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 600px;
  margin: 0 auto;
}

/* ── Footer ── */
.site-footer {
  padding: 60px 48px 48px;
  text-align: center;
}

.footer-brand {
  font-family: 'Syne', sans-serif;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.footer-tagline {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.footer-meta {
  color: var(--text-muted);
  font-size: 0.75rem;
  opacity: 0.5;
}

/* ── Mobile ── */
@media (max-width: 768px) {
  .topnav { padding: 16px 24px; }
  .hero {
    grid-template-columns: 1fr;
    padding: 60px 24px;
    min-height: auto;
    gap: 40px;
  }
  .hero-orb-wrap { height: 260px; }
  .orb-1 { width: 200px; height: 200px; }
  .orb-2 { width: 130px; height: 130px; }
  .features { padding: 64px 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .differentiators { padding: 64px 24px; }
  .diff-inner { grid-template-columns: 1fr; gap: 48px; }
  .manifesto { padding: 64px 24px; }
  .site-footer { padding: 48px 24px 40px; }
}