/* — Variables — */
:root {
  --bg: #0e0e14;
  --bg-2: #14141e;
  --bg-card: #1a1a26;
  --fg: #f0ece6;
  --fg-2: #9a9590;
  --accent: #e63946;
  --accent-dim: rgba(230,57,70,0.12);
  --border: rgba(240,236,230,0.08);
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --radius: 4px;
}

/* — Reset — */
*, *::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-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* — Navbar — */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-mark {
  color: var(--accent);
  font-size: 18px;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 20px;
  letter-spacing: -0.02em;
}

.navbar-status {
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 6px #22c55e;
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.status-label {
  font-size: 12px;
  color: var(--fg-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* — Hero — */
.hero {
  padding: 100px 48px 80px;
  max-width: 860px;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-tag {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(52px, 7vw, 80px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 400;
}

.hero-sub {
  font-size: 18px;
  color: var(--fg-2);
  max-width: 560px;
  line-height: 1.7;
}

.hero-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.meta-badge {
  font-size: 11px;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--fg-2);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* — Operation — */
.operation {
  padding: 64px 48px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.operation-inner {
  max-width: 760px;
}

.section-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-2);
  margin-bottom: 32px;
}

.tick-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.tick-item {
  display: flex;
  gap: 20px;
  align-items: center;
  padding: 16px 20px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border-left: 3px solid transparent;
}

.tick-item.tick-done {
  border-left-color: var(--accent);
}

.tick-time {
  font-family: var(--font-mono, monospace);
  font-size: 12px;
  color: var(--fg-2);
  min-width: 44px;
}

.tick-content {
  flex: 1;
}

.tick-title {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
}

.tick-bar {
  height: 2px;
  background: rgba(240,236,230,0.1);
  border-radius: 1px;
}

.tick-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 1px;
  transition: width 0.4s ease;
}

.tick-complete {
  background: #22c55e;
}

.operation-caption {
  margin-top: 20px;
  font-size: 12px;
  color: var(--fg-2);
  font-style: italic;
}

/* — Features — */
.features {
  padding: 80px 48px;
}

.features-inner {
  max-width: 900px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  margin-top: 40px;
}

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

.feature-icon {
  font-size: 24px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 400;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 14px;
  color: var(--fg-2);
  line-height: 1.7;
}

/* — Manifesto — */
.manifesto {
  padding: 80px 48px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}

.manifesto-inner {
  max-width: 800px;
}

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

.manifesto-quote p {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.5vw, 26px);
  line-height: 1.5;
  font-style: italic;
  color: var(--fg);
}

.manifesto-quote p:last-child {
  color: var(--fg-2);
  font-style: normal;
  font-size: 16px;
  font-family: var(--font-sans);
}

.manifesto-divider {
  width: 40px;
  height: 1px;
  background: var(--accent);
  margin: 48px 0;
}

.manifesto-stat {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 20px;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 48px;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 14px;
  color: var(--fg-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* — Closing — */
.closing {
  padding: 100px 48px;
}

.closing-inner {
  max-width: 700px;
}

.closing-headline {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 20px;
}

.closing-sub {
  font-size: 16px;
  color: var(--fg-2);
  max-width: 540px;
  line-height: 1.7;
}

/* — Footer — */
.footer {
  padding: 40px 48px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--fg-2);
}

.footer-note {
  margin-left: auto;
  font-size: 12px;
  color: var(--fg-2);
  opacity: 0.5;
}

/* — Responsive — */
@media (max-width: 640px) {
  .navbar { padding: 16px 20px; }
  .hero { padding: 64px 20px 48px; }
  .features { padding: 48px 20px; }
  .features-grid { grid-template-columns: 1fr; }
  .operation { padding: 48px 20px; }
  .manifesto { padding: 48px 20px; }
  .closing { padding: 64px 20px; }
  .footer { padding: 32px 20px; }
  .footer-note { margin-left: 0; }
}