:root {
  --bg: #0c0e14;
  --bg-surface: #12151e;
  --bg-elevated: #1a1e2c;
  --border: #252a3a;
  --violet: #8b5cf6;
  --violet-dim: rgba(139, 92, 246, 0.12);
  --violet-glow: rgba(139, 92, 246, 0.25);
  --cyan: #22d3ee;
  --text: #e8eaf0;
  --text-muted: #7a8196;
  --text-dim: #4a5068;
  --green: #34d399;
  --orange: #fb923c;
  --mono: 'IBM Plex Mono', monospace;
  --sans: 'IBM Plex Sans', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

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

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 14, 20, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-mark {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  background: var(--violet);
  color: white;
  padding: 4px 8px;
  border-radius: 6px;
  letter-spacing: 0.5px;
}
.logo-name {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.3px;
}
.nav-status {
  display: flex;
  align-items: center;
  gap: 8px;
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.status-text {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-muted);
}

/* Section base */
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section-header {
  margin-bottom: 48px;
}
.section-label {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--violet);
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 600;
  color: var(--text);
  line-height: 1.25;
  letter-spacing: -0.5px;
}

/* Hero */
.hero {
  position: relative;
  padding: 80px 0 100px;
  overflow: hidden;
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to bottom, transparent 0%, var(--bg) 100%),
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 100% 100%, 60px 60px, 60px 60px;
  opacity: 0.35;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 0%, black 40%, transparent 100%);
}
.hero-inner {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}
.eyebrow-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 4px;
}
.eyebrow-line {
  width: 32px;
  height: 1px;
  background: var(--border);
}
.hero-headline {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: var(--text);
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 40px;
}
.hero-proof {
  display: flex;
  align-items: center;
  gap: 24px;
}
.proof-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.proof-number {
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 600;
  color: var(--violet);
}
.proof-label {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.3px;
}
.proof-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* Hero mockup */
.hero-mockup {
  display: flex;
  justify-content: flex-end;
}
.mockup-frame {
  width: 100%;
  max-width: 380px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(139,92,246,0.1), 0 0 40px rgba(139,92,246,0.08);
}
.mockup-header {
  background: var(--bg-elevated);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
}
.mockup-dots {
  display: flex;
  gap: 6px;
}
.mockup-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
}
.mockup-dots span:first-child { background: #ff5f57; }
.mockup-dots span:nth-child(2) { background: #febc2e; }
.mockup-dots span:last-child { background: #28c840; }
.mockup-title {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-muted);
}
.mockup-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.telegram-msg {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
}
.alert-msg { border-left: 3px solid var(--orange); }
.post-msg { border-left: 3px solid var(--text-dim); }
.draft-msg { border-left: 3px solid var(--violet); background: var(--violet-dim); }
.meta-msg { background: transparent; border: 1px dashed var(--border); padding: 8px 12px; }
.msg-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}
.msg-bot { font-family: var(--mono); font-size: 11px; font-weight: 600; color: var(--orange); }
.msg-time { font-family: var(--mono); font-size: 10px; color: var(--text-dim); }
.msg-text { font-size: 12px; color: var(--text); }
.msg-text strong { font-size: 11px; font-weight: 600; }
.msg-platform { font-family: var(--mono); font-size: 10px; color: var(--text-muted); margin-bottom: 4px; }
.msg-content { font-size: 11px; color: var(--text-muted); line-height: 1.5; font-style: italic; margin-bottom: 6px; }
.msg-engagement { display: flex; gap: 6px; }
.engagement-badge {
  font-family: var(--mono);
  font-size: 9px;
  background: var(--bg-surface);
  color: var(--text-dim);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--border);
}
.msg-label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--violet);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}
.msg-draft { font-size: 11px; color: var(--text); line-height: 1.5; margin-bottom: 8px; }
.msg-draft-actions { display: flex; gap: 8px; }
.action-approve, .action-edit {
  font-family: var(--mono);
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 4px;
  cursor: default;
}
.action-approve { background: rgba(52, 211, 153, 0.15); color: var(--green); border: 1px solid rgba(52, 211, 153, 0.3); }
.action-edit { background: var(--bg-surface); color: var(--text-muted); border: 1px solid var(--border); }
.msg-meta-line { display: flex; gap: 6px; flex-wrap: wrap; }
.meta-tag {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--text-dim);
}

/* How it works */
.howitworks {
  padding: 100px 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
}
.step {
  flex: 1;
  padding: 0 40px;
}
.step:first-child { padding-left: 0; }
.step:last-child { padding-right: 0; }
.step-number {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--violet);
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.step-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}
.step-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}
.step-connector {
  width: 60px;
  height: 1px;
  background: var(--border);
  margin-top: 28px;
  flex-shrink: 0;
  background-image: linear-gradient(90deg, var(--violet), transparent);
  opacity: 0.4;
}

/* Features */
.features {
  padding: 100px 0;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.feature-card {
  background: var(--bg-surface);
  padding: 32px;
  transition: background 0.2s;
}
.feature-card:hover { background: var(--bg-elevated); }
.feature-icon {
  width: 44px;
  height: 44px;
  background: var(--violet-dim);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--violet);
  margin-bottom: 20px;
}
.feature-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}
.feature-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Signal feed */
.signalfeed {
  padding: 100px 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.signalfeed-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.signalfeed-title {
  font-size: clamp(22px, 2.5vw, 30px);
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 24px;
}
.signalfeed-title em {
  color: var(--text-muted);
  font-style: normal;
}
.signalfeed-body {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}
.feed-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
}
.feed-card.muted { opacity: 0.5; }
.feed-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.feed-platform-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 6px;
}
.feed-platform-badge.x { background: rgba(255,255,255,0.06); color: var(--text); }
.feed-platform-badge.li { background: rgba(10,102,194,0.2); color: #60a0e0; }
.feed-time { font-family: var(--mono); font-size: 11px; color: var(--text-dim); }
.feed-text { font-size: 13px; color: var(--text); line-height: 1.6; margin-bottom: 10px; font-style: italic; }
.feed-engagement { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.feed-engagement span { font-family: var(--mono); font-size: 11px; color: var(--text-dim); }
.feed-relevance.high { background: rgba(52, 211, 153, 0.15); color: var(--green); padding: 2px 8px; border-radius: 4px; font-weight: 600; }
.feed-relevance.low { background: rgba(255,255,255,0.05); color: var(--text-dim); padding: 2px 8px; border-radius: 4px; }
.feed-draft { background: var(--violet-dim); border: 1px solid rgba(139,92,246,0.2); border-radius: 8px; padding: 12px; margin-top: 10px; }
.draft-label { font-family: var(--mono); font-size: 10px; color: var(--violet); text-transform: uppercase; letter-spacing: 1px; display: block; margin-bottom: 6px; }
.draft-preview { font-size: 12px; color: var(--text-muted); line-height: 1.5; }
.feed-skipped { font-family: var(--mono); font-size: 11px; color: var(--text-dim); font-style: italic; margin-top: 8px; }

/* Closing */
.closing {
  padding: 120px 0;
  text-align: center;
}
.closing-inner { max-width: 720px; margin: 0 auto; }
.closing-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--violet);
  background: var(--violet-dim);
  border: 1px solid rgba(139,92,246,0.2);
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 32px;
}
.closing-headline {
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  letter-spacing: -1px;
  margin-bottom: 24px;
}
.closing-body {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 56px;
}
.closing-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
}
.stat { text-align: center; }
.stat-val {
  display: block;
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 600;
  color: var(--violet);
  margin-bottom: 6px;
}
.stat-label { font-size: 12px; color: var(--text-muted); line-height: 1.4; max-width: 120px; margin: 0 auto; }
.stat-sep { width: 1px; height: 48px; background: var(--border); }

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.footer-logo { display: flex; align-items: center; gap: 10px; }
.footer-tagline { font-size: 13px; color: var(--text-dim); margin-left: 12px; }
.footer-links { font-family: var(--mono); font-size: 11px; color: var(--text-dim); margin-left: auto; }

/* Responsive */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-mockup { justify-content: flex-start; }
  .mockup-frame { max-width: 100%; }
  .steps { flex-direction: column; gap: 32px; }
  .step { padding: 0; }
  .step-connector { width: 40px; height: 1px; margin-top: 0; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .signalfeed-layout { grid-template-columns: 1fr; gap: 48px; }
  .closing-stats { flex-direction: column; gap: 24px; }
  .stat-sep { width: 40px; height: 1px; }
}
@media (max-width: 600px) {
  .hero { padding: 48px 0 64px; }
  .howitworks, .features, .signalfeed, .closing { padding: 64px 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .hero-proof { flex-wrap: wrap; }
  .footer-inner { flex-wrap: wrap; gap: 12px; }
  .footer-links { margin-left: 0; width: 100%; }
}