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

:root {
  --bg: #09090b;
  --surface: #111113;
  --surface2: #18181b;
  --fg: #f4f4f5;
  --fg2: #a1a1aa;
  --fg3: #52525b;
  --accent: #f59e0b;
  --accent-dim: #b45309;
  --dot-green: #22c55e;
  --font-display: 'Syne', sans-serif;
  --font-body: 'Figtree', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
}

.nav-mark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.nav-status {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--surface2);
  border-radius: 999px;
  padding: 6px 14px;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--dot-green);
  box-shadow: 0 0 6px var(--dot-green);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.dot-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--fg2);
  letter-spacing: 0.03em;
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 48px 80px;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-overline {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}

.hero-headline {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(52px, 7vw, 96px);
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
}

.hero-headline .line { display: block; }

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

.hero-sub {
  font-size: 18px;
  color: var(--fg2);
  line-height: 1.65;
  max-width: 420px;
}

/* Feed widget */
.hero-feed {
  background: var(--surface);
  border: 1px solid var(--surface2);
  border-radius: 16px;
  padding: 28px;
  position: relative;
  overflow: hidden;
}

.hero-feed::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.4;
}

.feed-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--fg3);
  margin-bottom: 20px;
}

.feed-rows { display: flex; flex-direction: column; gap: 16px; }

.feed-row {
  display: flex;
  align-items: center;
  gap: 12px;
  animation: fadeSlideIn 0.6s ease-out both;
}

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: translateX(0); }
}

.feed-icon {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.feed-icon.research { background: #60a5fa; }
.feed-icon.write    { background: var(--accent); }
.feed-icon.send     { background: var(--dot-green); }
.feed-icon.follow   { background: #a78bfa; }
.feed-icon.reply    { background: #f472b6; }

.feed-text {
  font-size: 13px;
  color: var(--fg2);
  line-height: 1.4;
}

/* FEED SECTION */
.feed-section {
  padding: 0 48px 100px;
}

.feed-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 60px;
}

.feed-stat { text-align: center; }

.stat-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(40px, 5vw, 72px);
  letter-spacing: -0.05em;
  color: var(--fg);
  line-height: 1;
  margin-bottom: 10px;
}

.stat-label {
  font-size: 13px;
  color: var(--fg3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}

.feed-divider {
  width: 1px;
  height: 64px;
  background: var(--surface2);
  flex-shrink: 0;
}

/* FEATURES */
.features {
  padding: 80px 48px 100px;
  background: var(--surface);
}

.features-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.feature-card {
  padding: 36px 32px;
  background: var(--bg);
  border: 1px solid var(--surface2);
  transition: border-color 0.2s;
}

.feature-card:hover { border-color: var(--fg3); }

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

.feature-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 14px;
  color: var(--fg2);
  line-height: 1.65;
}

/* MANIFESTO */
.manifesto {
  padding: 100px 48px;
}

.manifesto-inner {
  max-width: 900px;
  margin: 0 auto;
}

.manifesto-rule {
  width: 48px;
  height: 2px;
  background: var(--accent);
  margin-bottom: 48px;
}

.manifesto-text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.45;
  letter-spacing: -0.02em;
  color: var(--fg);
  font-style: normal;
  margin-bottom: 28px;
}

.manifesto-attr {
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.02em;
}

/* CLOSING */
.closing {
  padding: 100px 48px 120px;
}

.closing-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.closing-headline {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(36px, 5vw, 64px);
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 24px;
}

.closing-sub {
  font-size: 18px;
  color: var(--fg2);
  line-height: 1.65;
  max-width: 560px;
  margin: 0 auto;
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--surface2);
  padding: 28px 48px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-mark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: -0.01em;
}

.footer-copy {
  font-size: 13px;
  color: var(--fg3);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav { padding: 16px 24px; }
  .hero { padding: 100px 24px 60px; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-headline { font-size: 48px; }
  .hero-sub { max-width: 100%; }
  .feed-section { padding: 0 24px 60px; }
  .feed-inner { flex-direction: column; gap: 32px; }
  .feed-divider { width: 48px; height: 1px; }
  .features { padding: 60px 24px; }
  .features-grid { grid-template-columns: 1fr; gap: 2px; }
  .manifesto { padding: 60px 24px; }
  .closing { padding: 60px 24px 80px; }
  .footer { padding: 20px 24px; }
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
}