/* =============================================
   NUCLEUS — Landing Page Stylesheet
   ============================================= */

:root {
  --bg: #0d0f12;
  --bg-2: #141720;
  --fg: #f0ede8;
  --fg-muted: #8a8880;
  --accent: #00c9a7;
  --accent-dim: rgba(0, 201, 167, 0.12);
  --border: rgba(240, 237, 232, 0.08);
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

/* 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-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  background: rgba(13, 15, 18, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.nav-tagline {
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.8;
}

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(0, 201, 167, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(240, 237, 232, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(240, 237, 232, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 0%, black 30%, transparent 80%);
}

.hero-content {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 40px 120px;
  width: 100%;
}

.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 32px;
  max-width: 900px;
}

.hero-headline em {
  font-style: italic;
  color: var(--accent);
}

.hero-lede {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  color: var(--fg-muted);
  max-width: 580px;
  line-height: 1.65;
  margin-bottom: 64px;
  font-weight: 300;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 40px;
}

.hero-stat-value {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  color: var(--fg);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 8px;
}

.hero-stat-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.4;
  max-width: 180px;
}

.hero-stat-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
}

/* MANIFESTO */
.manifesto {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 120px 0;
}

.manifesto-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.manifesto-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}

.manifesto-headline {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 28px;
  max-width: 720px;
}

.manifesto-body {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.75;
  max-width: 640px;
  margin-bottom: 40px;
  font-weight: 300;
}

.manifesto-quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--fg);
  border-left: 2px solid var(--accent);
  padding-left: 24px;
  max-width: 500px;
}

/* HOW IT WORKS */
.how {
  padding: 120px 0;
}

.how-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.how-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}

.how-headline {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 72px;
}

.how-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.how-step {
  display: flex;
  gap: 48px;
  align-items: flex-start;
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
}

.how-step:last-child {
  border-bottom: none;
}

.how-step-num {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
  min-width: 32px;
  padding-top: 4px;
}

.how-step-content h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.how-step-content p {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 560px;
  font-weight: 300;
}

/* OUTCOMES */
.outcomes {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 100px 0;
}

.outcomes-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.outcome-card {
  background: var(--bg);
  padding: 48px 40px;
}

.outcome-value {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--accent);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 12px;
}

.outcome-label {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* CLOSING */
.closing {
  padding: 140px 0;
}

.closing-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  text-align: center;
}

.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 28px;
}

.closing-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.6;
  max-width: 480px;
  margin: 0 auto;
  font-weight: 300;
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 0;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--fg);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav-inner { padding: 0 24px; }
  .hero-content { padding: 60px 24px 80px; }
  .hero-stats { flex-direction: column; align-items: flex-start; gap: 24px; }
  .hero-stat-divider { width: 40px; height: 1px; }
  .manifesto-inner { padding: 0 24px; }
  .how-inner { padding: 0 24px; }
  .how-step { gap: 24px; }
  .outcomes-inner { padding: 0 24px; }
  .outcomes-grid { grid-template-columns: 1fr; }
  .closing-inner { padding: 0 24px; }
  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 2.4rem; }
  .hero-stat-value { font-size: 2.4rem; }
  .outcome-value { font-size: 2.8rem; }
  .manifesto, .how, .outcomes, .closing { padding: 80px 0; }
}