:root {
  --bg: #0a0a0a;
  --bg-elevated: #141414;
  --bg-card: #1a1a1a;
  --fg: #f0ece4;
  --fg-muted: #9a948a;
  --accent: #e8c872;
  --accent-dim: rgba(232, 200, 114, 0.15);
  --border: rgba(240, 236, 228, 0.08);
  --radius: 16px;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.accent { color: var(--accent); }
.section-tag {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 1rem;
}

/* NAV */
.nav {
  padding: 2rem 2.5rem;
  position: relative;
  z-index: 10;
}
.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--fg);
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(232, 200, 114, 0.06) 0%, transparent 60%);
}
.hero-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 2.5rem;
  max-width: 720px;
  position: relative;
  z-index: 2;
}
.hero-tag {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 1.5rem;
}
h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 540px;
  line-height: 1.7;
}

/* ORBIT VISUAL */
.hero-visual {
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
  width: 500px;
  height: 500px;
  z-index: 1;
}
.orbit-ring {
  width: 100%;
  height: 100%;
  border: 1px solid var(--border);
  border-radius: 50%;
  position: relative;
  animation: spin 30s linear infinite;
}
.orbit-item {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.6rem 1.2rem;
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
  animation: counter-spin 30s linear infinite;
}
.o1 { top: -15px; left: 50%; transform: translateX(-50%); }
.o2 { right: -30px; top: 50%; transform: translateY(-50%); }
.o3 { bottom: -15px; left: 50%; transform: translateX(-50%); }
.o4 { left: -40px; top: 50%; transform: translateY(-50%); }

@keyframes spin { to { transform: translateY(-50%) rotate(360deg); } }
@keyframes counter-spin { to { transform: rotate(-360deg); } }

/* PROBLEM */
.problem {
  padding: 6rem 2.5rem;
  background: var(--bg-elevated);
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
}
.problem-card {
  padding: 2.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
}
.problem-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.5rem;
  color: var(--accent);
  opacity: 0.3;
  display: block;
  margin-bottom: 1rem;
}
.problem-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.35;
}
.problem-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* FEATURES */
.features {
  padding: 6rem 2.5rem;
  max-width: 1100px;
  margin: 0 auto;
}
.features-header {
  margin-bottom: 3.5rem;
}
.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  transition: border-color 0.3s;
}
.feature-card:hover {
  border-color: rgba(232, 200, 114, 0.25);
}
.feature-large {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(232, 200, 114, 0.04) 100%);
}
.feature-icon {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.feature-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* HOW */
.how {
  padding: 6rem 2.5rem;
  background: var(--bg-elevated);
}
.how-header {
  max-width: 1100px;
  margin: 0 auto 3.5rem;
}
.how-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.how-steps {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
}
.step {
  flex: 1;
}
.step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.step h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.step p {
  color: var(--fg-muted);
  font-size: 0.95rem;
}
.step-divider {
  width: 60px;
  height: 1px;
  background: var(--border);
  margin-top: 24px;
  flex-shrink: 0;
}

/* CLOSING */
.closing {
  padding: 8rem 2.5rem;
  text-align: center;
  background: radial-gradient(ellipse 70% 50% at 50% 100%, rgba(232, 200, 114, 0.06) 0%, transparent 70%);
}
.closing-content {
  max-width: 680px;
  margin: 0 auto;
}
.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}
.closing p {
  color: var(--fg-muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

/* FOOTER */
.footer {
  padding: 3rem 2.5rem;
  border-top: 1px solid var(--border);
}
.footer-content {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.footer-tagline {
  color: var(--fg-muted);
  font-size: 0.85rem;
}

/* MOBILE */
@media (max-width: 768px) {
  .hero-visual { display: none; }
  .hero-content { padding: 2rem 1.5rem; }
  .nav { padding: 1.5rem; }
  .problem { padding: 4rem 1.5rem; }
  .problem-grid { grid-template-columns: 1fr; }
  .features { padding: 4rem 1.5rem; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-large { grid-column: span 1; }
  .how { padding: 4rem 1.5rem; }
  .how-steps { flex-direction: column; }
  .step-divider { width: 100%; margin: 0; }
  .closing { padding: 5rem 1.5rem; }
  .footer-content { flex-direction: column; gap: 0.5rem; text-align: center; }
}