/* ==========================================
   PageOne — Landing Page Stylesheet
   Dark editorial aesthetic, amber accents
   ========================================== */

:root {
  --bg: #0d0f14;
  --bg-elevated: #131620;
  --bg-card: #181c28;
  --amber: #f59e0b;
  --amber-dim: rgba(245, 158, 11, 0.12);
  --amber-glow: rgba(245, 158, 11, 0.25);
  --text: #e8e6e0;
  --text-muted: #6e7180;
  --border: rgba(245, 158, 11, 0.12);
  --radius: 12px;
  --font-display: 'Syne', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: hidden;
}

/* ── Neural Background ── */
.neural-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.35;
}
.neural-bg canvas {
  width: 100%;
  height: 100%;
}

/* ── Nav ── */
nav {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--text);
}
.nav-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-body);
}
.nav-cta {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--bg);
  background: var(--amber);
  padding: 8px 20px;
  border-radius: 6px;
  text-decoration: none;
  transition: opacity 0.2s;
}
.nav-cta:hover { opacity: 0.85; }
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px #22c55e;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ── Section Commons ── */
section { position: relative; z-index: 2; }
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--amber);
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  margin-bottom: 20px;
}
section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text);
}
.section-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 520px;
  margin: 16px auto 0;
  line-height: 1.7;
}

/* ── Hero ── */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  padding: 80px 48px 100px;
  align-items: center;
}
.hero-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--amber);
  border: 1px solid var(--border);
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 24px;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.08;
  color: var(--text);
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 440px;
  margin-bottom: 36px;
}
.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 48px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--amber);
  color: var(--bg);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 28px;
  border-radius: 8px;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.2s;
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-muted);
  padding: 12px 20px;
  border-radius: 8px;
  text-decoration: none;
  border: 1px solid var(--border);
  transition: color 0.2s, border-color 0.2s;
}
.btn-ghost:hover { color: var(--text); border-color: var(--amber-dim); }
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--amber);
  letter-spacing: -0.04em;
  line-height: 1;
}
.stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.3;
}
.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
  margin: 0 28px;
}

/* ── Feed Window ── */
.feed-window {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 0 60px rgba(245,158,11,0.06), 0 32px 64px rgba(0,0,0,0.4);
}
.feed-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}
.feed-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-muted);
  opacity: 0.4;
}
.feed-dot.active { background: var(--amber); opacity: 1; }
.feed-title {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-left: 8px;
  font-family: var(--font-body);
}
.live-badge {
  margin-left: auto;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--bg);
  background: var(--amber);
  padding: 2px 8px;
  border-radius: 999px;
  animation: livePulse 1.5s ease-in-out infinite;
}
@keyframes livePulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}
.feed-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 280px;
}
.feed-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.feed-item.visible {
  opacity: 1;
  transform: translateY(0);
}
.feed-item.new {
  opacity: 1;
  transform: translateY(0);
  animation: slideIn 0.4s ease;
}
@keyframes slideIn {
  from { opacity: 0; transform: translateY(-16px); }
  to { opacity: 1; transform: translateY(0); }
}
.feed-item-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.feed-platform {
  font-size: 0.62rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.05em;
}
.feed-platform.x { background: rgba(0,0,0,0.5); color: #e7e9ea; border: 1px solid rgba(231,233,234,0.2); }
.feed-platform.li { background: rgba(0,80,152,0.3); color: #0a66c2; }
.feed-time { font-size: 0.7rem; color: var(--text-muted); }
.feed-imp { font-size: 0.7rem; color: var(--amber); margin-left: auto; }
.feed-text {
  font-size: 0.82rem;
  color: var(--text);
  line-height: 1.6;
}

/* ── Manifesto ── */
.manifesto {
  padding: 100px 48px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.manifesto-inner { max-width: 760px; margin: 0 auto; }
.manifesto-tag {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 24px;
}
.manifesto blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 24px;
  font-style: normal;
}
.manifesto-sub {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 48px;
}
.manifesto-comp {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
}
.comp-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.comp-item.new { border-color: var(--amber-glow); }
.comp-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.comp-item.new .comp-label { color: var(--amber); }
.comp-item p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; }
.comp-item.new p { color: var(--text); }
.comp-arrow { display: flex; align-items: center; }

/* ── Agent Flow ── */
.agent {
  padding: 100px 48px;
}
.agent-flow {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.agent-step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 24px;
  align-items: flex-start;
}
.agent-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--amber-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 4px;
}
.agent-content h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.agent-content p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 14px;
}
.agent-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tag {
  font-size: 0.68rem;
  color: var(--amber);
  background: var(--amber-dim);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 999px;
}
.flow-connector {
  display: flex;
  justify-content: flex-start;
  padding-left: 68px;
  margin: 8px 0;
}

/* ── Features ── */
.features {
  padding: 100px 48px;
  border-top: 1px solid var(--border);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.feature-card {
  background: var(--bg-elevated);
  padding: 36px 32px;
  transition: background 0.2s ease;
}
.feature-card:hover {
  background: var(--bg-card);
}
.feature-icon {
  margin-bottom: 20px;
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.feature-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── How ── */
.how {
  padding: 100px 48px;
  border-top: 1px solid var(--border);
}
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  max-width: 900px;
  margin: 0 auto;
}
.step-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: var(--amber);
  letter-spacing: -0.05em;
  line-height: 1;
  margin-bottom: 20px;
  opacity: 0.4;
}
.step h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.step p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; }

/* ── Closing ── */
.closing {
  padding: 120px 48px;
  border-top: 1px solid var(--border);
  text-align: center;
}
.closing-inner { max-width: 720px; margin: 0 auto; }
.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 28px;
}
.closing p {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 560px;
  margin: 0 auto 40px;
}
.closing-cta {
  display: flex;
  justify-content: center;
}

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 48px;
  display: flex;
  align-items: center;
  gap: 24px;
  position: relative;
  z-index: 2;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
}
.footer-tagline {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-left: 8px;
}
.footer-links {
  margin-left: auto;
  display: flex;
  gap: 20px;
}
.footer-links a {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--amber); }

/* ── Responsive ── */
@media (max-width: 900px) {
  nav { padding: 16px 24px; }
  .hero {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 60px 24px 80px;
  }
  .manifesto { padding: 80px 24px; }
  .manifesto-comp { grid-template-columns: 1fr; gap: 16px; }
  .comp-arrow { transform: rotate(90deg); }
  .agent { padding: 80px 24px; }
  .features { padding: 80px 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .how { padding: 80px 24px; }
  .steps { grid-template-columns: 1fr; gap: 40px; }
  .closing { padding: 80px 24px; }
  footer { padding: 32px 24px; flex-wrap: wrap; }
  footer .footer-tagline { display: none; }
}
@media (max-width: 600px) {
  .hero-stats { flex-direction: column; align-items: flex-start; gap: 12px; }
  .stat-divider { display: none; }
  .feed-body { min-height: 200px; }
}