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

:root {
  --bg: #080810;
  --surface: #0D0D1A;
  --surface-2: #13131F;
  --border: #1E1E30;
  --accent: #00E5A0;
  --accent-dim: rgba(0, 229, 160, 0.12);
  --warn: #F5A623;
  --warn-dim: rgba(245, 166, 35, 0.12);
  --text: #EDEDF5;
  --text-muted: #7A7A9A;
  --text-dim: #4A4A6A;
  --font-display: 'Instrument Serif', serif;
  --font-mono: 'DM Mono', monospace;
}

html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === NAV === */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 48px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(8, 8, 16, 0.92);
  backdrop-filter: blur(12px);
  z-index: 100;
}
.nav-brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { display: flex; align-items: center; }
.brand-name {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.08em;
  color: var(--text);
}
.nav-tagline {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* === HERO === */
.hero {
  padding: 100px 48px 80px;
  overflow: hidden;
}
.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  max-width: 1200px;
  margin: 0 auto;
  align-items: center;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4vw, 3.8rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 24px;
}
.hero-headline em {
  font-style: italic;
  color: var(--accent);
}
.hero-sub {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 440px;
}

/* Cost Meter (hero visual) */
.hero-visual { display: flex; justify-content: center; }
.cost-meter {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 0 60px rgba(0, 229, 160, 0.05);
}
.meter-label {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.meter-value {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.meter-breakdown { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.meter-row { display: flex; align-items: center; gap: 12px; }
.meter-tag.method {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  width: 40px;
  flex-shrink: 0;
}
.meter-bar {
  height: 6px;
  width: var(--pct, 50%);
  background: var(--accent);
  border-radius: 3px;
  opacity: 0.6;
  flex-shrink: 0;
}
.meter-num {
  font-size: 0.8rem;
  color: var(--text);
  margin-left: auto;
}
.meter-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.meter-up { font-size: 0.75rem; color: var(--warn); }
.meter-hint { font-size: 0.65rem; color: var(--text-dim); }

/* === MANIFESTO === */
.manifesto {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 48px;
}
.manifesto-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 220px 1px 1fr;
  gap: 60px;
  align-items: start;
}
.manifesto-stat { padding-right: 40px; }
.stat-num {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 400;
  line-height: 1;
  color: var(--accent);
  margin-bottom: 12px;
}
.stat-unit { font-size: 2rem; }
.stat-desc { font-size: 0.8rem; color: var(--text-muted); line-height: 1.6; }
.manifesto-divider {
  width: 1px;
  background: var(--border);
  align-self: stretch;
}
.manifesto-text p { font-size: 0.95rem; color: var(--text-muted); line-height: 1.8; margin-bottom: 16px; }
.manifesto-text p:last-child { margin-bottom: 0; }

/* === DASHBOARD MOCK === */
.dashboard-section { padding: 100px 48px; }
.section-header { text-align: center; max-width: 600px; margin: 0 auto 60px; }
.section-tag {
  display: inline-block;
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(0, 229, 160, 0.25);
  border-radius: 4px;
  padding: 4px 12px;
  margin-bottom: 20px;
}
.section-title {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 14px;
  line-height: 1.2;
}
.section-desc { font-size: 0.9rem; color: var(--text-muted); }

.dashboard-mock {
  max-width: 960px;
  margin: 0 auto;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  height: 420px;
}
.mock-sidebar {
  width: 160px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 20px 0;
  flex-shrink: 0;
}
.sidebar-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  font-size: 0.75rem;
  color: var(--text-muted);
  cursor: pointer;
}
.sidebar-item:hover { color: var(--text); }
.sidebar-item.active { color: var(--accent); background: var(--accent-dim); }
.sidebar-icon { display: flex; align-items: center; flex-shrink: 0; }

.mock-main { flex: 1; padding: 20px; overflow: hidden; }
.mock-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.mock-title { font-size: 0.85rem; font-weight: 500; color: var(--text); }
.mock-date { font-size: 0.7rem; color: var(--text-muted); padding: 3px 8px; border: 1px solid var(--border); border-radius: 4px; }

.mock-kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.kpi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
}
.kpi-card.warning { border-color: rgba(245, 166, 35, 0.3); background: var(--warn-dim); }
.kpi-label { font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 4px; }
.kpi-value { font-size: 1.1rem; font-weight: 500; color: var(--text); margin-bottom: 4px; }
.kpi-delta { font-size: 0.7rem; }
.kpi-delta.up { color: var(--warn); }
.kpi-delta.down { color: var(--accent); }
.kpi-delta.neutral { color: var(--text-muted); }

.mock-chart { margin-bottom: 16px; }
.chart-label { font-size: 0.7rem; color: var(--text-muted); margin-bottom: 12px; letter-spacing: 0.05em; }
.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 24px;
  height: 90px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}
.chart-bar-group { display: flex; flex-direction: column; align-items: center; gap: 4px; flex: 1; }
.chart-bar {
  width: 100%;
  height: var(--h, 50%);
  background: var(--color, var(--accent));
  border-radius: 4px 4px 0 0;
  opacity: 0.7;
  transition: opacity 0.2s;
}
.chart-bar:hover { opacity: 1; }
.chart-label { font-size: 0.65rem; color: var(--text-muted); }
.chart-val { font-size: 0.65rem; color: var(--text); }

.mock-alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px;
  background: var(--warn-dim);
  border: 1px solid rgba(245, 166, 35, 0.2);
  border-radius: 8px;
  margin-top: 12px;
}
.alert-icon { flex-shrink: 0; margin-top: 1px; }
.alert-text { font-size: 0.75rem; color: var(--text-muted); line-height: 1.5; }
.alert-text strong { color: var(--text); }

/* === BREAKDOWN === */
.breakdown-section { padding: 80px 48px; border-top: 1px solid var(--border); }
.breakdown-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.breakdown-card {
  background: var(--surface);
  padding: 40px;
}
.card-icon { margin-bottom: 20px; }
.card-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 12px;
}
.card-desc { font-size: 0.85rem; color: var(--text-muted); line-height: 1.7; }

/* === CLOSING === */
.closing { padding: 100px 48px; }
.closing-inner { max-width: 720px; margin: 0 auto; text-align: center; }
.closing-statement {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 400;
  line-height: 1.4;
  color: var(--text);
  margin-bottom: 24px;
}
.closing-founder { font-size: 0.85rem; color: var(--text-muted); line-height: 1.7; }

/* === FOOTER === */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-brand { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--text-muted); }
.footer-note { font-size: 0.75rem; color: var(--text-dim); }

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .manifesto-inner { grid-template-columns: 1fr; gap: 32px; }
  .manifesto-divider { display: none; }
  .dashboard-mock { flex-direction: column; height: auto; }
  .mock-sidebar { width: 100%; display: flex; overflow-x: auto; padding: 0; border-right: none; border-bottom: 1px solid var(--border); }
  .sidebar-item { flex-direction: column; gap: 4px; padding: 12px 16px; white-space: nowrap; }
  .breakdown-grid { grid-template-columns: 1fr; }
  .mock-kpis { grid-template-columns: repeat(2, 1fr); }
  .nav { padding: 20px 24px; }
  .hero { padding: 60px 24px 48px; }
  .manifesto { padding: 60px 24px; }
  .dashboard-section { padding: 60px 24px; }
  .breakdown-section { padding: 60px 24px; }
  .closing { padding: 60px 24px; }
  .footer { padding: 24px; flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 2rem; }
  .mock-kpis { grid-template-columns: 1fr 1fr; }
  .breakdown-card { padding: 24px; }
}