/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0f0f0f;
  --bg-card: #1a1a1a;
  --bg-card-hover: #222222;
  --fg: #f5f5f0;
  --fg-muted: #888;
  --fg-dim: #555;
  --accent: #F59E0B;
  --accent-dim: rgba(245,158,11,0.15);
  --border: #2a2a2a;
  --linkedin: #0A66C2;
  --twitter: #000;
  --font-display: 'Bricolage Grotesque', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

html { font-size: 16px; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === NAV === */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(15,15,15,0.85);
  backdrop-filter: blur(12px);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 32px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  color: var(--fg);
}
.nav-badge {
  font-size: 0.6875rem;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 20px;
  background: var(--accent-dim);
  color: var(--accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* === HERO === */
.hero {
  padding-top: 80px;
  padding-bottom: 80px;
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 32px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-eyebrow {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 1.0625rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
}

/* === POST FEED === */
.post-feed {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 32px 64px rgba(0,0,0,0.4);
}
.post-feed-label {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(245,158,11,0.06);
}
.post-card {
  padding: 16px;
  border-bottom: 1px solid var(--border);
}
.post-card:last-child { border-bottom: none; }
.post-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.post-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #e67e00);
  flex-shrink: 0;
}
.post-meta {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.post-name {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--fg);
}
.post-time {
  font-size: 0.6875rem;
  color: var(--fg-dim);
}
.post-badge {
  font-size: 0.625rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 0.05em;
}
.post-badge-linkedin { background: rgba(10,102,194,0.2); color: #4d9de0; }
.post-badge-twitter { background: rgba(255,255,255,0.1); color: var(--fg-muted); }
.post-text {
  font-size: 0.8125rem;
  color: var(--fg-muted);
  line-height: 1.6;
  margin-bottom: 10px;
}
.post-stats {
  display: flex;
  gap: 12px;
}
.post-stat {
  font-size: 0.6875rem;
  color: var(--fg-dim);
}

/* === MANIFESTO === */
.manifesto {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 64px 32px;
  background: var(--bg);
}
.manifesto-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.manifesto-quote {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 400;
  line-height: 1.6;
  color: var(--fg-muted);
  font-style: italic;
}

/* === FEATURES === */
.features {
  padding: 80px 32px;
}
.features-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.section-label {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-headline {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 48px;
}
.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-card);
  padding: 32px;
  transition: background 0.2s;
}
.feature-card:hover { background: var(--bg-card-hover); }
.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-title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 8px;
}
.feature-desc {
  font-size: 0.9375rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* === WORKFLOW === */
.workflow {
  padding: 80px 32px;
  border-top: 1px solid var(--border);
}
.workflow-inner {
  max-width: 900px;
  margin: 0 auto;
}
.workflow-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}
.workflow-step {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}
.workflow-step:last-child { border-bottom: none; }
.step-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: var(--border);
  line-height: 1;
  min-width: 72px;
  letter-spacing: -0.04em;
}
.step-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 8px;
}
.step-desc {
  font-size: 0.9375rem;
  color: var(--fg-muted);
  line-height: 1.6;
  max-width: 540px;
}

/* === CLOSING === */
.closing {
  padding: 96px 32px;
  text-align: center;
  border-top: 1px solid var(--border);
}
.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}
.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 20px;
  line-height: 1.1;
}
.closing-sub {
  font-size: 1.0625rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 56px;
}
.closing-visual {
  position: relative;
  width: 200px;
  height: 200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}
.visual-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--border);
}
.visual-ring-1 { width: 200px; height: 200px; animation: pulse-ring 4s ease-in-out infinite; }
.visual-ring-2 { width: 140px; height: 140px; border-color: rgba(245,158,11,0.25); animation: pulse-ring 4s ease-in-out infinite 0.6s; }
.visual-ring-3 { width: 80px; height: 80px; border-color: rgba(245,158,11,0.4); animation: pulse-ring 4s ease-in-out infinite 1.2s; }
.visual-core {
  width: 52px; height: 52px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  box-shadow: 0 0 32px rgba(245,158,11,0.4);
}
@keyframes pulse-ring {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.06); opacity: 0.7; }
}

/* === FOOTER === */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 32px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.125rem;
  color: var(--fg);
}
.footer-tagline {
  font-size: 0.875rem;
  color: var(--fg-dim);
  margin-top: 4px;
}
.footer-note {
  font-size: 0.8125rem;
  color: var(--fg-dim);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 60px 24px 0;
  }
  .hero-right { order: -1; }
  .post-feed { box-shadow: none; }
  .features-grid { grid-template-columns: 1fr; }
  .workflow-step { gap: 20px; }
  .step-number { font-size: 2.25rem; min-width: 52px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .nav-inner { padding: 12px 20px; }
}

@media (max-width: 480px) {
  .hero { padding-top: 60px; padding-bottom: 60px; }
  .manifesto, .features, .workflow, .closing { padding: 56px 20px; }
  .feature-card { padding: 24px; }
}