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

:root {
  --bg: #0a0a0d;
  --surface: #131318;
  --surface-2: #1a1a21;
  --border: #252530;
  --accent: #f5a623;
  --accent-dim: rgba(245, 166, 35, 0.12);
  --text: #e8e8e3;
  --text-muted: #888899;
  --text-dim: #555566;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* === NAV === */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px 64px;
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--text);
}

.nav-tagline {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* === HERO === */
.hero {
  min-height: 88vh;
  display: flex;
  align-items: center;
  padding: 80px 64px 60px;
  gap: 80px;
  position: relative;
  overflow: hidden;
}

.hero-bg-glow {
  position: absolute;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245,166,35,0.06) 0%, transparent 70%);
  top: -100px;
  left: -200px;
  pointer-events: none;
}

.hero-content {
  flex: 1;
  max-width: 520px;
}

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}

.hero-headline {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 420px;
}

/* === SCANNER WIDGET === */
.hero-scanner {
  flex: 0 0 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  position: relative;
}

.scanner-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.scanner-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.tag {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 99px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all 0.2s;
}

.tag-active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

.tag-dim { opacity: 0.45; }

.scanner-result {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 20px;
}

.result-header {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.result-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.3;
}

.result-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.result-chip {
  font-size: 0.65rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 6px;
  background: var(--accent-dim);
  color: var(--accent);
  letter-spacing: 0.04em;
}

.scanner-divider {
  height: 1px;
  background: var(--border);
  margin: 20px 0;
}

.scanner-loop {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.loop-step {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.loop-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* === MANIFESTO === */
.manifesto {
  padding: 80px 64px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.manifesto-inner {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.manifesto-text {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.manifesto-text:last-child { margin-bottom: 0; }

/* === HOW IT WORKS === */
.hiw {
  padding: 100px 64px;
}

.section-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 48px;
}

.hiw-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}

.hiw-card {
  padding: 32px 28px 36px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}

.hiw-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 20px;
  line-height: 1;
}

.hiw-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.3;
}

.hiw-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* === FEATURES === */
.features {
  padding: 100px 64px;
  border-top: 1px solid var(--border);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}

.feature-card {
  padding: 44px 40px;
  background: var(--surface);
}

.feature-icon {
  margin-bottom: 20px;
}

.feature-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* === CLOSER === */
.closer {
  padding: 100px 64px 80px;
  border-top: 1px solid var(--border);
}

.closer-inner {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.closer-headline {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.1;
}

.closer-sub {
  font-size: 1rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 48px;
}

.closer-statement p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 16px;
}

.closer-statement p:last-child { margin-bottom: 0; }

/* === FOOTER === */
.footer {
  padding: 48px 64px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text);
  margin-bottom: 8px;
}

.footer-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer-copy {
  font-size: 0.72rem;
  color: var(--text-dim);
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .nav { padding: 20px 28px; }
  .hero { flex-direction: column; padding: 60px 28px 48px; gap: 48px; min-height: auto; }
  .hero-content { max-width: 100%; }
  .hero-scanner { flex: none; width: 100%; }
  .hiw { padding: 60px 28px; }
  .hiw-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .features { padding: 60px 28px; }
  .features-grid { grid-template-columns: 1fr; }
  .manifesto { padding: 60px 28px; }
  .closer { padding: 60px 28px 48px; }
  .footer { padding: 40px 28px; }
}

@media (max-width: 480px) {
  .hiw-grid { grid-template-columns: 1fr; }
  .hero-headline { font-size: 2rem; }
}