:root {
  --bg: #000000;
  --bg-soft: #0a0a0a;
  --bg-elev: #111111;
  --line: #1f1f1f;
  --text: #f5f5f5;
  --muted: #a8a8a8;
  --mint: #00ffc8;
  --mint-deep: #00cc9f;
  --mint-soft: rgba(0, 255, 200, 0.12);
  --radius: 14px;
  --maxw: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

/* ---------- Nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 32px;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.brand img { border-radius: 8px; }

.nav nav { display: flex; gap: 8px; align-items: center; }
.nav nav a {
  padding: 10px 14px;
  font-size: 15px;
  color: var(--muted);
  border-radius: 10px;
  transition: color .15s, background .15s;
}
.nav nav a:hover { color: var(--text); background: var(--bg-elev); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  transition: transform .15s, background .15s, border-color .15s, color .15s;
  cursor: pointer;
}
.btn-primary {
  background: var(--mint);
  color: #001b15;
}
.btn-primary:hover { background: var(--mint-deep); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--mint); color: var(--mint); }
.nav .btn-ghost { padding: 10px 18px; }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding: 96px 32px 80px;
  max-width: var(--maxw);
  margin: 0 auto;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mint);
  background: var(--mint-soft);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 20px;
}

h1 {
  font-size: clamp(40px, 6.4vw, 76px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  font-weight: 800;
  margin: 0 0 22px;
}
h1 .accent { color: var(--mint); }

.lead {
  font-size: 19px;
  color: var(--muted);
  max-width: 540px;
  margin: 0 0 32px;
}

.cta-row { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-visual img {
  position: relative;
  z-index: 2;
  border-radius: 28px;
  box-shadow: 0 40px 80px -20px rgba(0, 255, 200, 0.35);
}
.hero-glow {
  position: absolute;
  inset: -10%;
  background: radial-gradient(circle at center, rgba(0, 255, 200, 0.35), transparent 60%);
  filter: blur(40px);
  z-index: 1;
}

/* ---------- Sections ---------- */

.section {
  padding: 96px 32px;
  max-width: var(--maxw);
  margin: 0 auto;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s ease, transform .6s ease;
}
.section.in { opacity: 1; transform: none; }

.section-alt {
  max-width: none;
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section-alt > * { max-width: var(--maxw); margin-left: auto; margin-right: auto; }

.section-head {
  text-align: center;
  margin-bottom: 56px;
}
.section-head h2 {
  font-size: clamp(30px, 4vw, 46px);
  letter-spacing: -0.025em;
  margin: 12px 0 0;
  font-weight: 800;
}
.section-sub {
  margin-top: 14px;
  color: var(--muted);
  font-size: 17px;
}

/* ---------- Cards ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.cards-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

.card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform .25s, border-color .25s, background .25s;
  opacity: 0;
  transform: translateY(16px);
}
.card.in { opacity: 1; transform: none; transition: opacity .5s, transform .5s; }
.card:hover {
  border-color: var(--mint);
  transform: translateY(-4px);
  background: #131313;
}
.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--mint-soft);
  color: var(--mint);
  font-size: 22px;
  margin-bottom: 18px;
}
.card h3 {
  font-size: 19px;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
  font-weight: 700;
}
.card p { color: var(--muted); margin: 0; font-size: 15.5px; }
.card-offer ul {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
.card-offer ul li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 8px;
}
.card-offer ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint);
}

/* ---------- Steps ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.step {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 28px 28px;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .5s, transform .5s, border-color .25s;
}
.step.in { opacity: 1; transform: none; }
.step:hover { border-color: var(--mint); }
.step-num {
  position: absolute;
  top: -24px;
  left: 28px;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--mint);
  color: #001b15;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  font-weight: 800;
  box-shadow: 0 12px 30px -10px rgba(0, 255, 200, 0.5);
}
.step h3 { margin: 14px 0 8px; font-size: 20px; letter-spacing: -0.01em; }
.step p { color: var(--muted); margin: 0; }

/* ---------- Contact ---------- */

.contact {
  display: flex;
  justify-content: center;
}
.contact-pill {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 28px 56px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--bg-elev);
  transition: border-color .2s, transform .2s;
}
.contact-pill:hover { border-color: var(--mint); transform: translateY(-2px); }
.contact-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--mint);
}
.contact-value {
  font-size: clamp(22px, 3.4vw, 32px);
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* ---------- Footer ---------- */

.footer {
  border-top: 1px solid var(--line);
  padding: 32px;
  background: var(--bg-soft);
}
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}
.footer-brand img { border-radius: 6px; }
.footer p { margin: 0; color: var(--muted); font-size: 14px; }

/* ---------- Mobile ---------- */

@media (max-width: 820px) {
  .nav { padding: 14px 18px; }
  .nav nav a:not(.btn) { display: none; }
  .hero { padding: 56px 18px 48px; }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-visual { order: -1; }
  .hero-visual img { width: 200px; height: 200px; }
  h1 { font-size: clamp(32px, 9vw, 56px); }
  .lead { font-size: 17px; }
  .section { padding: 72px 18px; }
  .section-head { margin-bottom: 40px; }
  .contact-pill { padding: 22px 32px; max-width: calc(100vw - 36px); }
  .contact-value { word-break: break-all; }
}

@media (max-width: 480px) {
  h1 { font-size: 36px; }
  .nav .btn-ghost { padding: 8px 14px; font-size: 14px; }
}