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

:root {
  --bg: #080B10;
  --bg-raised: #0E1218;
  --bg-card: #111720;
  --accent: #F5A623;
  --accent-dim: rgba(245, 166, 35, 0.12);
  --text-primary: #EEF0F4;
  --text-secondary: #7A8494;
  --text-muted: #4A5568;
  --border: rgba(255,255,255,0.06);
  --success: #2DD4A8;
  --warning: #F5A623;
}

html { font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === TYPOGRAPHY === */
h1, h2, h3 { font-family: 'Syne', sans-serif; font-weight: 700; line-height: 1.1; }

/* === NAV === */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 40px;
  background: rgba(8,11,16,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { font-family: 'Syne', sans-serif; font-size: 20px; font-weight: 800; color: var(--accent); letter-spacing: -0.5px; }
.nav-tagline { font-size: 13px; color: var(--text-muted); letter-spacing: 0.08em; text-transform: uppercase; }
.nav-dashboard-link { font-size: 13px; color: var(--accent); text-decoration: none; font-weight: 500; margin-left: auto; transition: opacity 0.15s; }
.nav-dashboard-link:hover { opacity: 0.7; }

/* === HERO === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 40px 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -100px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(245,166,35,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  width: 100%;
}
.hero-eyebrow { margin-bottom: 28px; }
.badge {
  display: inline-block;
  padding: 6px 14px;
  background: var(--accent-dim);
  border: 1px solid rgba(245,166,35,0.2);
  color: var(--accent);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 2px;
}
.hero-headline {
  font-size: clamp(42px, 5vw, 68px);
  color: var(--text-primary);
  margin-bottom: 24px;
  letter-spacing: -2px;
}
.hero-sub {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 460px;
  line-height: 1.7;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  align-items: flex-start;
  gap: 0;
}
.stat {
  flex: 1;
  padding: 20px 0;
}
.stat-num {
  display: block;
  font-family: 'Syne', sans-serif;
  font-size: 36px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 6px;
}
.stat-label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
  max-width: 140px;
}
.stat-divider {
  width: 1px;
  background: var(--border);
  margin: 0 32px;
  align-self: stretch;
}

/* === INBOX CARD === */
.hero-visual { display: flex; justify-content: flex-end; align-items: center; }
.inbox-card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 100%;
  max-width: 420px;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5), 0 0 40px rgba(245,166,35,0.04);
}
.inbox-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}
.inbox-dots { display: flex; gap: 6px; }
.inbox-dots span { width: 10px; height: 10px; border-radius: 50%; background: var(--text-muted); }
.inbox-dots span:first-child { background: #FF5F57; }
.inbox-dots span:nth-child(2) { background: #FFBD2E; }
.inbox-dots span:nth-child(3) { background: #28CA41; }
.inbox-title { font-family: 'Syne', sans-serif; font-size: 13px; font-weight: 700; flex: 1; }
.inbox-badge {
  font-size: 10px; font-weight: 500;
  padding: 3px 8px; border-radius: 20px;
  background: rgba(45,212,168,0.12);
  color: var(--success);
  letter-spacing: 0.05em;
}
.inbox-threads { padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.thread {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: border-color 0.2s;
}
.thread-done { opacity: 0.75; }
.thread-pending { border-color: rgba(245,166,35,0.15); }
.thread-icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  flex-shrink: 0;
  margin-top: 2px;
}
.thread-icon--sent { background: rgba(45,212,168,0.15); }
.thread-icon--cal { background: rgba(99,179,237,0.15); }
.thread-icon--follow { background: rgba(167,139,250,0.15); }
.thread-icon--waiting { background: rgba(245,166,35,0.1); }
.thread-body { flex: 1; min-width: 0; }
.thread-subject { font-size: 13px; font-weight: 500; color: var(--text-primary); margin-bottom: 3px; }
.thread-preview { font-size: 11px; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.thread-status {
  font-size: 10px; font-weight: 500; padding: 3px 8px; border-radius: 20px;
  flex-shrink: 0; align-self: flex-start; margin-top: 3px;
}
.status-done { background: rgba(45,212,168,0.1); color: var(--success); }
.status-pending { background: rgba(245,166,35,0.1); color: var(--accent); }
.inbox-footer {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  background: var(--bg-raised);
}
.agent-label { font-size: 11px; color: var(--text-muted); font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase; }
.agent-pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 0 rgba(45,212,168,0.4);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(45,212,168,0.4); }
  70% { box-shadow: 0 0 0 8px rgba(45,212,168,0); }
  100% { box-shadow: 0 0 0 0 rgba(45,212,168,0); }
}

/* === PROOF === */
.proof {
  padding: 80px 40px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.proof-inner { max-width: 900px; margin: 0 auto; text-align: center; }
.proof-quote {
  font-family: 'Syne', sans-serif;
  font-size: clamp(22px, 3vw, 32px);
  color: var(--text-secondary);
  line-height: 1.5;
  font-weight: 600;
  letter-spacing: -0.5px;
}

/* === FEATURES === */
.features {
  padding: 100px 40px;
}
.features-header { max-width: 1200px; margin: 0 auto 72px; }
.section-title {
  font-size: clamp(32px, 4vw, 52px);
  color: var(--text-primary);
  letter-spacing: -1.5px;
  max-width: 600px;
}
.features-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.feature-card {
  background: var(--bg-raised);
  padding: 44px 40px;
  transition: background 0.2s;
}
.feature-card:hover { background: var(--bg-card); }
.feature-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--accent-dim);
  margin-bottom: 24px;
}
.feature-name {
  font-family: 'Syne', sans-serif;
  font-size: 20px;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}
.feature-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* === MANIFESTO === */
.manifesto {
  padding: 100px 40px;
  background: var(--bg-raised);
  border-top: 1px solid var(--border);
}
.manifesto-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto auto; gap: 0 80px; }
.manifesto-label {
  font-size: 11px; font-weight: 500; color: var(--accent);
  letter-spacing: 0.15em; text-transform: uppercase;
  grid-column: 1; grid-row: 1;
  align-self: center;
  writing-mode: vertical-lr;
  transform: rotate(180deg);
}
.manifesto-headline {
  font-size: clamp(28px, 3.5vw, 44px);
  color: var(--text-primary);
  letter-spacing: -1px;
  grid-column: 2; grid-row: 1;
  margin-bottom: 32px;
}
.manifesto-body {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 680px;
  grid-column: 2; grid-row: 2;
  margin-bottom: 48px;
}
.manifesto-divider {
  grid-column: 2; grid-row: 2;
  height: 1px;
  background: var(--border);
  margin-bottom: 48px;
  position: relative;
  top: 24px;
}
.manifesto-pillars { grid-column: 2; grid-row: 3; display: flex; flex-direction: column; gap: 20px; }
.pillar { display: flex; align-items: flex-start; gap: 16px; }
.pillar-mark { color: var(--accent); font-family: 'Syne', sans-serif; font-size: 16px; font-weight: 700; flex-shrink: 0; margin-top: 2px; }
.pillar-text { font-size: 15px; color: var(--text-secondary); line-height: 1.6; }

/* === CLOSING === */
.closing { padding: 120px 40px; }
.closing-inner { max-width: 1200px; margin: 0 auto; text-align: center; }
.closing-headline {
  font-size: clamp(36px, 5vw, 64px);
  color: var(--text-primary);
  letter-spacing: -2px;
  margin-bottom: 24px;
}
.closing-sub {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 56px;
  line-height: 1.7;
}
.closing-vision {
  max-width: 640px;
  margin: 0 auto;
  padding: 24px 40px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-raised);
}
.vision-label { font-size: 15px; color: var(--text-secondary); line-height: 1.7; }

/* === FOOTER === */
.footer {
  padding: 40px;
  border-top: 1px solid var(--border);
}
.footer-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.footer-brand { font-family: 'Syne', sans-serif; font-size: 16px; font-weight: 800; color: var(--accent); }
.footer-tagline { font-size: 13px; color: var(--text-muted); }

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .hero { padding: 120px 24px 60px; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { justify-content: flex-start; }
  .inbox-card { max-width: 100%; }
  .hero-stats { flex-wrap: wrap; }
  .stat { flex: 0 0 100%; padding: 12px 0; }
  .stat-divider { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .manifesto-inner { grid-template-columns: 1fr; }
  .manifesto-label { writing-mode: horizontal-tb; transform: none; }
  .manifesto-headline, .manifesto-body, .manifesto-divider, .manifesto-pillars { grid-column: 1; }
  .nav { padding: 16px 24px; }
  .proof { padding: 60px 24px; }
  .features { padding: 60px 24px; }
  .manifesto { padding: 60px 24px; }
  .closing { padding: 80px 24px; }
}