:root {
  --bg: #0e0e0f;
  --bg-card: #161618;
  --bg-card-alt: #1c1c1f;
  --fg: #f0ede6;
  --fg-muted: #7a7875;
  --accent: #e8923a;
  --accent-dim: rgba(232, 146, 58, 0.12);
  --border: rgba(240, 237, 230, 0.08);
}

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

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;
}

h1, h2, h3, h4 { font-family: 'Syne', system-ui, sans-serif; }

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 40px;
  background: rgba(14, 14, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
}
.logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--fg);
}
.tagline {
  font-size: 12px;
  color: var(--fg-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ── HERO ── */
.hero {
  min-height: 100vh;
  padding: 140px 40px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
}
.hero-headline {
  font-size: clamp(38px, 5.5vw, 62px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.6;
  max-width: 440px;
  margin-bottom: 32px;
}
.hero-callout {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent-dim);
  border: 1px solid rgba(232, 146, 58, 0.2);
  border-radius: 100px;
  padding: 8px 18px;
  font-size: 13px;
  color: var(--accent);
  font-weight: 500;
}
.callout-icon { font-size: 11px; }

/* Hero visual */
.hero-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-width: 440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}
.signal-lines { position: absolute; inset: 0; }
.line {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(232, 146, 58, 0.15);
}
.l1 { inset: 5%; }
.l2 { inset: 18%; }
.l3 { inset: 31%; }
.l4 { inset: 44%; }
.l5 { inset: 57%; }
.pulse-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(232, 146, 58, 0.3);
  animation: pulse 3s ease-in-out infinite;
}
.r1 { width: 120px; height: 120px; animation-delay: 0s; }
.r2 { width: 220px; height: 220px; animation-delay: 0.8s; }
.r3 { width: 340px; height: 340px; animation-delay: 1.6s; }
@keyframes pulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.04); }
}
.center-node {
  position: relative;
  z-index: 2;
  width: 72px;
  height: 72px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 40px rgba(232, 146, 58, 0.4);
}
.node-label {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 15px;
  color: #0e0e0f;
}
.node {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 600;
  font-family: 'Syne', sans-serif;
  color: var(--fg);
  white-space: nowrap;
}
.n1 { top: 8%; left: 50%; transform: translateX(-50%); }
.n2 { top: 35%; right: 0; }
.n3 { bottom: 35%; right: 0; }
.n4 { bottom: 8%; left: 50%; transform: translateX(-50%); }

/* ── SECTION BASE ── */
section { padding: 80px 40px; }
.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.section-heading {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 48px;
}

/* ── HOW IT WORKS ── */
.howitworks { max-width: 1100px; margin: 0 auto; }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 36px 32px;
}
.step-num {
  font-family: 'Syne', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 20px;
}
.step h3 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
  color: var(--fg);
}
.step p { font-size: 15px; color: var(--fg-muted); line-height: 1.65; }

/* ── SERVICES ── */
.services { background: var(--bg-card); }
.services .section-heading { color: var(--fg); }
.services-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.service-card {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 32px 28px;
}
.svc-icon {
  font-size: 18px;
  color: var(--accent);
  margin-bottom: 16px;
}
.service-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--fg);
}
.service-card p { font-size: 14px; color: var(--fg-muted); line-height: 1.6; }

/* ── NUMBERS ── */
.numbers { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.numbers-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 0;
}
.num-divider { width: 1px; height: 60px; background: var(--border); }
.num-block { padding: 0 40px; text-align: center; }
.num-value {
  font-family: 'Syne', sans-serif;
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--fg);
  line-height: 1;
}
.num-label { font-size: 12px; color: var(--fg-muted); margin-top: 6px; letter-spacing: 0.03em; }

/* ── CLOSER ── */
.closer { text-align: center; max-width: 680px; margin: 0 auto; }
.closer h2 {
  font-size: clamp(26px, 3.2vw, 38px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--fg);
  margin-bottom: 20px;
}
.closer p {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ── FOOTER ── */
footer {
  padding: 32px 40px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-brand { display: flex; align-items: center; gap: 16px; }
.footer-tagline { font-size: 13px; color: var(--fg-muted); }
.footer-meta { font-size: 12px; color: var(--fg-muted); }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  nav { padding: 14px 24px; }
  section { padding: 60px 24px; }
  .hero {
    padding: 120px 24px 60px;
    grid-template-columns: 1fr;
    gap: 48px;
    min-height: auto;
  }
  .hero-right { order: -1; }
  .hero-visual { max-width: 300px; }
  .hero-sub { max-width: 100%; }
  .steps-grid, .services-grid { grid-template-columns: 1fr; }
  .numbers-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .num-divider { display: none; }
  .num-block { padding: 0; text-align: left; }
  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
}