:root {
  --bg: #0b1117;
  --bg-alt: #0f1821;
  --surface: #131e29;
  --border: #22313f;
  --text: #e8eef4;
  --muted: #9bb0c2;
  --accent: #4fd1c5;
  --accent-strong: #2bb3a6;
  --radius: 14px;
  --maxw: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  z-index: 10;
  background: var(--accent);
  color: #06231f;
  padding: .6rem 1rem;
  border-radius: 8px;
  text-decoration: none;
}

/* Header */
.site-head {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.5rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -.01em;
  font-size: 1.1rem;
}

.brand-mark {
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--accent), #6c8cff);
  box-shadow: 0 0 0 1px rgba(79, 209, 197, .35), 0 6px 18px -8px var(--accent);
}

.brand-name span { color: var(--accent); }

.site-head nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: .95rem;
}

.site-head nav a {
  text-decoration: none;
  color: var(--muted);
  transition: color .15s ease;
}
.site-head nav a:hover { color: var(--text); }

.nav-cta {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .4rem 1rem;
  color: var(--text) !important;
}
.nav-cta:hover { border-color: var(--accent); }

/* Hero */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(3rem, 9vw, 6.5rem) 1.25rem clamp(3rem, 7vw, 5rem);
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: min(560px, 85%);
  height: 320px;
  background: radial-gradient(circle at 20% 30%, rgba(79, 209, 197, .18), transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.eyebrow {
  margin: 0 0 1rem;
  font-size: .85rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}

h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2.3rem, 6.5vw, 4rem);
  line-height: 1.08;
  letter-spacing: -.03em;
  font-weight: 700;
  max-width: 20ch;
}

h1 em {
  font-style: normal;
  color: var(--accent);
}

.lead {
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  max-width: 56ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin: 2rem 0 0;
}

.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  padding: .8rem 1.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--accent);
  color: #06231f;
}
.btn-primary:hover { background: var(--accent-strong); }

.btn-ghost {
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent); }

.hero-facts {
  list-style: none;
  margin: 3.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  border-top: 1px solid var(--border);
  padding-top: 1.75rem;
}

.hero-facts strong {
  display: block;
  font-size: 1.15rem;
  letter-spacing: -.01em;
}

.hero-facts span {
  color: var(--muted);
  font-size: .95rem;
}

/* Sections */
.section {
  padding: clamp(3rem, 7vw, 5rem) 1.25rem;
}

.section > * {
  max-width: var(--maxw);
  margin-left: auto;
  margin-right: auto;
}

.section-alt { background: var(--bg-alt); }

h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.1rem);
  letter-spacing: -.02em;
  margin: 0 0 2rem;
}

/* Cards */
.cards {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(265px, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  transition: border-color .15s ease, transform .15s ease;
}
.card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.card h3 {
  margin: 0 0 .6rem;
  font-size: 1.1rem;
  letter-spacing: -.01em;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: .97rem;
}

/* Steps */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  counter-reset: step;
}

.steps li { position: relative; }

.step-no {
  display: inline-block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--accent);
  margin-bottom: .5rem;
}

.steps h3 {
  margin: 0 0 .4rem;
  font-size: 1.05rem;
}

.steps p {
  margin: 0;
  color: var(--muted);
  font-size: .97rem;
}

/* Contact */
.contact {
  text-align: center;
  border-top: 1px solid var(--border);
}

.contact .lead { margin: 0 auto; }

.contact-actions { margin: 2rem 0 0; }

/* Footer */
.site-foot {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem;
  color: var(--muted);
  font-size: .9rem;
}

.site-foot p { margin: 0; }

.foot-meta { color: var(--accent); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn:hover, .card:hover { transform: none; }
}

@media (max-width: 480px) {
  .site-head { padding-bottom: .5rem; }
  .site-head nav { gap: 1rem; font-size: .9rem; }
}