/* === BASE === */
:root {
  --bg: #0A0A0A;
  --bg-secondary: #111111;
  --bg-card: #181818;
  --fg: #F2F2F2;
  --fg-muted: #888888;
  --accent: #F5A623;
  --accent-dim: rgba(245, 166, 35, 0.15);
  --border: rgba(255,255,255,0.07);
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --max-w: 1200px;
}

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

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

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

/* === NAV === */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.nav-tagline {
  font-size: 12px;
  color: var(--fg-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* === HERO === */
.hero {
  position: relative;
  padding: 100px 48px 80px;
  max-width: var(--max-w);
  margin: 0 auto;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, black, transparent);
  pointer-events: none;
}

.hero-content { position: relative; max-width: 720px; }

.hero-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
  font-weight: 500;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 28px;
}

.hero-lede {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: 56px;
  font-weight: 300;
}

/* === SIGNAL BLOCK === */
.signal-block {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  max-width: 560px;
}

.signal-line {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}

.signal-line:last-child { border-bottom: none; }
.signal-line:hover { background: rgba(255,255,255,0.03); }

.signal-line--live { background: rgba(245,166,35,0.06); }

.signal-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.signal-line--live .signal-dot {
  animation: pulse 1.8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.signal-text {
  flex: 1;
  font-size: 14px;
  color: var(--fg);
}

.signal-time {
  font-size: 12px;
  color: var(--fg-muted);
  flex-shrink: 0;
}

/* === PROBLEM === */
.problem {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 48px;
}

.problem-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.section-eyebrow {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  font-weight: 500;
}

.problem-headline {
  font-family: var(--font-display);
  font-size: 36px;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.problem-body {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 20px;
  font-weight: 300;
}

.problem-stat {
  margin-top: 40px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.problem-stat-number {
  font-family: var(--font-display);
  font-size: 48px;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.problem-stat-label {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* === SOLUTION === */
.solution {
  padding: 80px 48px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.solution-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.solution-body {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 48px;
  max-width: 640px;
  font-weight: 300;
}

.solution-breakdown {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.solution-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 28px 32px;
  border-bottom: 1px solid var(--border);
}

.solution-item:last-child { border-bottom: none; }

.solution-icon {
  width: 40px;
  height: 40px;
  background: var(--accent-dim);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.solution-item-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.solution-item-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* === FEATURES === */
.features {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 48px;
}

.features-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin-top: 40px;
}

.feature-card {
  background: var(--bg);
  padding: 36px 32px;
}

.feature-card--primary {
  background: var(--bg-card);
}

.feature-card-label {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  font-weight: 600;
}

.feature-card-title {
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.2;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.feature-card-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
  margin-bottom: 24px;
  font-weight: 300;
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.feature-tag {
  font-size: 11px;
  padding: 4px 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--fg-muted);
}

/* === MANIFESTO === */
.manifesto {
  padding: 80px 48px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.manifesto-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.manifesto-quote {
  border-left: 2px solid var(--accent);
  padding-left: 28px;
}

.manifesto-text {
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.4;
  font-style: italic;
  color: var(--fg);
}

.manifesto-body {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.manifesto-body p {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.7;
  font-weight: 300;
}

/* === CLOSING === */
.closing {
  border-top: 1px solid var(--border);
  padding: 96px 48px;
  text-align: center;
}

.closing-inner { max-width: 600px; margin: 0 auto; }

.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.closing-body {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.7;
  font-weight: 300;
}

/* === FOOTER === */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 48px;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-muted);
}

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

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .nav { padding: 16px 24px; }
  .hero { padding: 64px 24px 56px; }
  .problem { padding: 64px 24px; }
  .problem-inner { grid-template-columns: 1fr; gap: 40px; }
  .solution { padding: 64px 24px; }
  .features { padding: 64px 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .manifesto { padding: 64px 24px; }
  .manifesto-inner { grid-template-columns: 1fr; gap: 40px; }
  .closing { padding: 64px 24px; }
  .footer { padding: 24px; }
  .footer-inner { flex-direction: column; gap: 8px; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 36px; }
  .problem-headline { font-size: 28px; }
  .solution-headline { font-size: 28px; }
  .closing-headline { font-size: 36px; }
  .solution-item { padding: 20px; }
  .feature-card { padding: 28px 20px; }
}