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

:root {
  --bg: #0d0d10;
  --bg-raised: #131318;
  --bg-card: #1a1a21;
  --fg: #f0ece4;
  --fg-muted: #8a8680;
  --fg-dim: #4a4845;
  --accent: #f5a623;
  --accent-dim: rgba(245, 166, 35, 0.12);
  --accent-glow: rgba(245, 166, 35, 0.25);
  --border: rgba(240, 236, 228, 0.08);
  --border-accent: rgba(245, 166, 35, 0.2);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --section-pad: clamp(80px, 10vw, 140px);
  --container: 1160px;
  --radius: 4px;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
.section-label {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 20px;
}

/* ===== LAYOUT ===== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 64px);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 0;
  padding: 0 clamp(24px, 5vw, 80px);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(245,166,35,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  grid-column: 1;
  max-width: 560px;
  padding: var(--section-pad) 0;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.eyebrow-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.eyebrow-sep {
  color: var(--accent);
  font-size: 14px;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(44px, 5.5vw, 80px);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 28px;
}

.hero-lede {
  font-size: clamp(16px, 1.4vw, 19px);
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
}

/* ===== HERO VISUAL — AXON ORB ===== */
.hero-visual {
  grid-column: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--section-pad) 0;
  position: relative;
}

.axon-orb {
  position: relative;
  width: clamp(260px, 28vw, 420px);
  height: clamp(260px, 28vw, 420px);
}

.orb-core {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background: radial-gradient(circle at 40% 40%, var(--accent), #b87a10);
  border-radius: 50%;
  box-shadow: 0 0 40px var(--accent-glow), 0 0 80px var(--accent-dim), 0 0 120px rgba(245,166,35,0.08);
}

.orb-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotateX(75deg);
  border-radius: 50%;
  border: 1px solid var(--border-accent);
  animation: orb-rotate 20s linear infinite;
}

.orb-ring-1 { width: 180px; height: 180px; animation-duration: 18s; }
.orb-ring-2 { width: 260px; height: 260px; animation-duration: 26s; animation-direction: reverse; }
.orb-ring-3 { width: 340px; height: 340px; animation-duration: 35s; }

@keyframes orb-rotate {
  from { transform: translate(-50%, -50%) rotateX(75deg) rotateZ(0deg); }
  to { transform: translate(-50%, -50%) rotateX(75deg) rotateZ(360deg); }
}

.orb-node {
  position: absolute;
  width: 14px;
  height: 14px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent-glow);
}

.orb-node::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  opacity: 0.3;
  animation: node-pulse 3s ease-in-out infinite;
}

@keyframes node-pulse {
  0%, 100% { transform: scale(1); opacity: 0.3; }
  50% { transform: scale(1.4); opacity: 0; }
}

.node-label {
  position: absolute;
  white-space: nowrap;
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  background: var(--bg-raised);
  padding: 3px 8px;
  border-radius: 2px;
  border: 1px solid var(--border);
}

.node-1 { top: 14%; left: 50%; transform: translateX(-50%); }
.node-1 .node-label { top: -28px; left: 50%; transform: translateX(-50%); }
.node-2 { top: 42%; right: 8%; }
.node-2 .node-label { top: 50%; right: calc(100% + 12px); transform: translateY(-50%); }
.node-3 { bottom: 14%; left: 50%; transform: translateX(-50%); }
.node-3 .node-label { bottom: -28px; left: 50%; transform: translateX(-50%); }
.node-4 { top: 42%; left: 8%; }
.node-4 .node-label { top: 50%; left: calc(100% + 12px); transform: translateY(-50%); }

/* ===== PROBLEM ===== */
.problem {
  padding: var(--section-pad) clamp(24px, 5vw, 80px);
  border-top: 1px solid var(--border);
}

.problem-header {
  margin-bottom: 56px;
  max-width: 600px;
}

.problem-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 48px;
}

.problem-card {
  background: var(--bg-raised);
  padding: 36px 32px;
}

.problem-stat {
  font-family: var(--font-display);
  font-size: clamp(40px, 4.5vw, 64px);
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
  margin-bottom: 12px;
  line-height: 1;
}

.problem-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}

.problem-body {
  font-size: clamp(16px, 1.3vw, 18px);
  color: var(--fg-muted);
  max-width: 620px;
  line-height: 1.75;
}

.problem-body strong {
  color: var(--fg);
  font-weight: 500;
}

/* ===== HOW IT WORKS ===== */
.howitworks {
  padding: var(--section-pad) clamp(24px, 5vw, 80px);
  background: var(--bg-raised);
  border-top: 1px solid var(--border);
}

.how-header {
  max-width: 680px;
  margin-bottom: 64px;
}

.how-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 20px;
}

.how-sub {
  font-size: clamp(15px, 1.2vw, 17px);
  color: var(--fg-muted);
  line-height: 1.75;
}

.how-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 680px;
}

.how-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  padding: 40px 0;
  border-top: 1px solid var(--border);
  align-items: start;
}

.step-number {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
  padding-top: 4px;
}

.step-title {
  font-family: var(--font-display);
  font-size: clamp(18px, 1.8vw, 22px);
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.step-desc {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ===== FEATURES ===== */
.features {
  padding: var(--section-pad) clamp(24px, 5vw, 80px);
  border-top: 1px solid var(--border);
}

.features-header {
  margin-bottom: 56px;
}

.features-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
}

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

.feature-card {
  background: var(--bg-raised);
  padding: 44px 40px;
  transition: background 0.2s ease;
}

.feature-card:hover {
  background: var(--bg-card);
}

.feature-icon {
  margin-bottom: 20px;
  opacity: 0.9;
}

.feature-title {
  font-family: var(--font-display);
  font-size: clamp(17px, 1.5vw, 20px);
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.feature-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.75;
}

/* ===== WHY NOW ===== */
.whynow {
  padding: var(--section-pad) clamp(24px, 5vw, 80px);
  background: var(--bg-raised);
  border-top: 1px solid var(--border);
}

.whynow-inner {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 64px;
  align-items: start;
}

.whynow-headline {
  font-family: var(--font-display);
  font-size: clamp(24px, 2.8vw, 38px);
  font-weight: 700;
  color: var(--fg);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 40px;
}

.whynow-points {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.whynow-point {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.point-marker {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 8px;
  box-shadow: 0 0 8px var(--accent-glow);
}

.whynow-point p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.75;
}

.whynow-point p strong {
  color: var(--fg);
  font-weight: 600;
}

/* ===== CLOSING ===== */
.closing {
  padding: clamp(80px, 12vw, 160px) clamp(24px, 5vw, 80px);
  border-top: 1px solid var(--border);
  text-align: center;
}

.closing-inner {
  max-width: 760px;
  margin: 0 auto;
}

.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.5vw, 62px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 24px;
}

.closing-body {
  font-size: clamp(16px, 1.4vw, 20px);
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 64px clamp(24px, 5vw, 80px) 40px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 64px;
  margin-bottom: 48px;
}

.footer-brand {
  max-width: 240px;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.footer-tagline {
  font-size: 13px;
  color: var(--fg-muted);
}

.footer-links {
  display: flex;
  gap: 64px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 4px;
}

.footer-link {
  font-size: 13px;
  color: var(--fg-muted);
  cursor: default;
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.footer-copy {
  font-size: 12px;
  color: var(--fg-dim);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 100px;
    padding-bottom: 80px;
  }

  .hero-visual {
    display: none;
  }

  .hero-content {
    max-width: 100%;
  }

  .problem-grid {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .whynow-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-links {
    gap: 40px;
  }

  .how-step {
    grid-template-columns: 48px 1fr;
    gap: 20px;
  }
}

@media (max-width: 600px) {
  .footer-links {
    flex-direction: column;
    gap: 32px;
  }

  .hero-headline {
    font-size: 40px;
  }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-accent); border-radius: 3px; }

/* ===== SELECTION ===== */
::selection { background: var(--accent-dim); color: var(--accent); }