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

:root {
  --bg: #0d0d0f;
  --bg-2: #131318;
  --bg-3: #1a1a22;
  --fg: #e8e4dc;
  --fg-2: #9a9590;
  --accent: #ff8c00;
  --accent-2: #ffb84d;
  --accent-dim: rgba(255, 140, 0, 0.12);
  --border: rgba(255, 255, 255, 0.07);
  --border-2: rgba(255, 255, 255, 0.12);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent); color: var(--bg); }

/* === NAV === */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 40px;
  background: rgba(13, 13, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-size: 18px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.nav-tag {
  font-size: 12px;
  color: var(--fg-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 40px 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(255, 140, 0, 0.08) 0%, rgba(255, 100, 0, 0.03) 40%, transparent 70%);
  pointer-events: none;
}
.hero-strata {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 40%;
  background: linear-gradient(to top, rgba(26, 26, 34, 0.9) 0%, transparent 100%);
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}
.hero-eyebrow {
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fg-2);
  margin-bottom: 24px;
}
.hero-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(42px, 7vw, 88px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 28px;
  max-width: 760px;
}
.hero-lede {
  font-size: clamp(17px, 2vw, 20px);
  color: var(--fg-2);
  max-width: 600px;
  margin-bottom: 56px;
  font-weight: 300;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--border-2);
  border-radius: 4px;
  overflow: hidden;
  background: rgba(255,255,255,0.03);
  width: fit-content;
}
.hero-stat {
  padding: 24px 36px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.hero-stat-div {
  width: 1px;
  height: 50px;
  background: var(--border-2);
}
.hero-stat-val {
  font-family: 'Syne', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.hero-stat-label {
  font-size: 12px;
  color: var(--fg-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* === PROOF === */
.proof {
  padding: 100px 40px;
  background: var(--bg-2);
}
.proof-inner { max-width: 1200px; margin: 0 auto; }
.proof-label {
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 48px;
}
.proof-blocks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.proof-card {
  padding: 48px 36px;
  background: var(--bg-2);
  transition: background 0.2s;
}
.proof-card:hover { background: var(--bg-3); }
.proof-card-icon {
  color: var(--accent);
  margin-bottom: 24px;
}
.proof-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
}
.proof-card p {
  font-size: 15px;
  color: var(--fg-2);
  line-height: 1.6;
}

/* === MECHANISM === */
.mechanism {
  padding: 120px 40px;
  background: var(--bg);
}
.mech-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.section-label {
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.mech-text h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 28px;
}
.mech-text > p {
  color: var(--fg-2);
  font-size: 16px;
  margin-bottom: 16px;
}
.mech-chain {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.mech-step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.mech-step-num {
  font-family: 'Syne', sans-serif;
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(255,140,0,0.2);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 2px;
  flex-shrink: 0;
  letter-spacing: 0.05em;
}
.mech-step strong {
  display: block;
  font-size: 15px;
  font-weight: 500;
  color: var(--fg);
  margin-bottom: 4px;
}
.mech-step p {
  font-size: 14px;
  color: var(--fg-2);
}

/* mech diagram */
.mech-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.mech-diagram {
  position: relative;
  width: 320px;
  height: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.md-ring {
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}
.md-ring-outer {
  width: 320px;
  height: 320px;
  border: 1px solid rgba(255, 140, 0, 0.15);
  background: radial-gradient(ellipse at center, rgba(255, 140, 0, 0.04) 0%, transparent 70%);
}
.md-ring-mid {
  width: 220px;
  height: 220px;
  border: 1px solid rgba(255, 184, 77, 0.25);
  background: radial-gradient(ellipse at center, rgba(255, 184, 77, 0.06) 0%, transparent 70%);
}
.md-ring-inner {
  width: 120px;
  height: 120px;
  border: 1px solid rgba(255, 140, 0, 0.5);
  background: radial-gradient(ellipse at center, rgba(255, 140, 0, 0.15) 0%, transparent 70%);
}
.md-label {
  position: absolute;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-2);
  white-space: nowrap;
}
.md-ring-outer .md-label { bottom: -28px; }
.md-ring-mid .md-label { bottom: -22px; }
.md-core {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.md-core-icon {
  animation: flicker 3s ease-in-out infinite alternate;
}
@keyframes flicker {
  0% { opacity: 0.85; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
  100% { opacity: 0.9; transform: scale(0.97); }
}
.md-core-label {
  font-family: 'Syne', sans-serif;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.md-legend {
  position: absolute;
  bottom: -60px;
  left: 0; right: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
}
.md-legend-item {
  font-size: 11px;
  color: var(--fg-2);
  display: flex;
  align-items: center;
  gap: 8px;
}
.md-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

/* === OUTCOMES === */
.outcomes {
  padding: 120px 40px;
  background: var(--bg-2);
}
.outcomes-inner { max-width: 1200px; margin: 0 auto; }
.outcomes h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 56px;
  max-width: 600px;
}
.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px 80px;
}
.outcome-val {
  font-family: 'Syne', sans-serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
}
.outcome-val span {
  color: var(--accent);
  font-size: 16px;
}
.outcome-bar {
  height: 3px;
  background: var(--border-2);
  border-radius: 2px;
  margin-bottom: 12px;
  overflow: hidden;
}
.outcome-fill {
  height: 100%;
  background: linear-gradient(to right, var(--accent), var(--accent-2));
  border-radius: 2px;
}
.outcome p {
  font-size: 14px;
  color: var(--fg-2);
  line-height: 1.5;
}

/* === PHILOSOPHY === */
.philosophy {
  padding: 120px 40px;
  background: var(--bg);
}
.philosophy-inner { max-width: 1200px; margin: 0 auto; }
.philosophy-quote {
  margin-bottom: 56px;
  padding-left: 32px;
  border-left: 3px solid var(--accent);
}
.philosophy-quote blockquote {
  font-family: 'Syne', sans-serif;
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 700;
  color: var(--fg);
  line-height: 1.25;
  letter-spacing: -0.02em;
  font-style: normal;
  margin-bottom: 16px;
}
.philosophy-quote cite {
  font-size: 13px;
  color: var(--fg-2);
  font-style: normal;
}
.philosophy-body p {
  font-size: 17px;
  color: var(--fg-2);
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: 20px;
}

/* === CLOSING === */
.closing {
  padding: 120px 40px;
  background: linear-gradient(135deg, #0d0d0f 0%, #1a1208 100%);
  border-top: 1px solid rgba(255,140,0,0.15);
}
.closing-inner { max-width: 1200px; margin: 0 auto; }
.closing h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 800;
  color: var(--fg);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  max-width: 700px;
}
.closing p {
  font-size: 18px;
  color: var(--fg-2);
  max-width: 560px;
  line-height: 1.65;
}

/* === FOOTER === */
.footer {
  padding: 48px 40px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-name {
  font-family: 'Syne', sans-serif;
  font-size: 16px;
  font-weight: 800;
  color: var(--accent);
}
.footer-sub {
  font-size: 12px;
  color: var(--fg-2);
  margin-top: 2px;
}
.footer-links a {
  font-size: 13px;
  color: var(--fg-2);
  text-decoration: none;
  transition: color 0.15s;
}
.footer-links a:hover { color: var(--fg); }
.footer-copy {
  font-size: 12px;
  color: var(--fg-2);
  opacity: 0.5;
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .proof-blocks { grid-template-columns: 1fr; }
  .mech-inner { grid-template-columns: 1fr; }
  .mech-visual { display: none; }
  .outcomes-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; width: 100%; }
  .hero-stat-div { width: 100%; height: 1px; }
}
@media (max-width: 600px) {
  .nav, .hero, .proof, .mechanism, .outcomes, .philosophy, .closing, .footer {
    padding-left: 24px;
    padding-right: 24px;
  }
  .proof-card { padding: 32px 24px; }
}