:root {
  --bg: #070b08;
  --bg-2: #0c1410;
  --text: #e8f3ec;
  --text-2: rgba(232, 243, 236, .68);
  --text-3: rgba(232, 243, 236, .44);
  --accent: #00e676;
  --accent-2: #00b8d4;
  --hair: rgba(255, 255, 255, .10);
  --card: rgba(255, 255, 255, .03);
  --radius: 18px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--font); color: var(--text); background: var(--bg);
  line-height: 1.5; -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.01em; }
ul { padding-left: 1.2em; }
li { margin-bottom: 6px; color: var(--text-2); }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between;
  padding: 18px 6vw; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hair);
}
.brand { font-family: var(--mono); font-weight: 700; font-size: 18px; color: var(--text); }
.brand span { color: var(--accent); }
.nav nav { display: flex; align-items: center; gap: 26px; }
.nav nav a:not(.btn) { color: var(--text-2); font-size: 15px; }
.nav nav a:not(.btn):hover { color: var(--text); }
.nav-email { font-family: var(--mono); font-size: 13.5px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px; font-weight: 600; font-size: 15px; cursor: pointer; border: 0;
  transition: transform .2s, filter .2s, box-shadow .2s;
}
.btn:active { transform: scale(.97); }
.btn-primary { color: #04140b; background: linear-gradient(135deg, var(--accent), var(--accent-2)); box-shadow: 0 8px 24px color-mix(in srgb, var(--accent) 35%, transparent); }
.btn-primary:hover { box-shadow: 0 10px 30px color-mix(in srgb, var(--accent) 55%, transparent); }
.btn-ghost { color: var(--text); background: var(--card); border: 1px solid var(--hair); }
.btn-sm { padding: 9px 18px; font-size: 14px; }

/* ---------- layout ---------- */
main { max-width: 980px; margin: 0 auto; padding: 0 6vw; }
section { padding: 80px 0; border-bottom: 1px solid var(--hair); }
section:last-of-type { border-bottom: 0; }
.muted { color: var(--text-2); }

/* ---------- hero ---------- */
.hero { padding-top: 90px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.eyebrow { font-family: var(--mono); color: var(--accent); font-size: 13px; letter-spacing: .08em; text-transform: uppercase; margin: 0 0 14px; }
.hero h1 { font-size: clamp(30px, 4.2vw, 46px); margin: 0 0 20px; }
.hero h1 span { color: var(--accent); }
.hero .lead { font-size: 18px; color: var(--text-2); max-width: 560px; margin: 0 0 32px; }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-mock { display: flex; justify-content: center; }
.mock-card {
  position: relative; width: 100%; max-width: 340px; padding: 22px 22px 18px; border-radius: 20px;
  background: var(--bg-2); border: 1px solid var(--hair); box-shadow: 0 30px 60px rgba(0, 0, 0, .45);
}
.mock-dot { position: absolute; top: 18px; right: 18px; width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 60%, transparent); animation: mockPulse 1.8s ease-out infinite; }
@keyframes mockPulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 55%, transparent); } 100% { box-shadow: 0 0 0 9px transparent; } }
.mock-row { display: flex; justify-content: space-between; font-size: 13.5px; color: var(--text-3); margin: 0 0 11px; font-family: var(--mono); }
.mock-row b { color: var(--text); font-weight: 600; }
.mock-row b.ok { color: var(--accent); }
.mock-bar { height: 8px; border-radius: 99px; background: rgba(255,255,255,.08); overflow: hidden; margin: 14px 0 10px; }
.mock-bar i { display: block; height: 100%; width: 68%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); border-radius: inherit; }
.mock-caption { margin: 0; font-size: 12px; color: var(--text-3); text-align: center; }

/* ---------- how it works ---------- */
.how h2 { font-size: 30px; margin: 0 0 32px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step-no {
  display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--accent); font-family: var(--mono);
  font-weight: 700; font-size: 14px; margin-bottom: 14px;
}
.step h3 { font-size: 17px; margin: 0 0 8px; }
.step p { margin: 0; color: var(--text-2); font-size: 14.5px; }

/* ---------- features ---------- */
.features h2, .privacy h2, .contact h2 { font-size: 30px; margin: 0 0 32px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--card); border: 1px solid var(--hair); border-radius: var(--radius); padding: 22px; }
.card h3 { font-size: 17px; margin: 0 0 8px; color: var(--accent); }
.card p { margin: 0; color: var(--text-2); font-size: 14.5px; }

/* ---------- privacy ---------- */
.privacy h3 { font-size: 18px; margin: 28px 0 10px; }
.privacy > p.muted { max-width: 700px; }

/* ---------- contact ---------- */
.contact { max-width: 560px; }
#lead-form { display: grid; gap: 16px; margin-top: 10px; }
#lead-form label { display: grid; gap: 6px; font-size: 14px; color: var(--text-2); }
#lead-form .optional { color: var(--text-3); font-weight: 400; }
#lead-form input, #lead-form textarea {
  width: 100%; padding: 13px 14px; border-radius: 12px; background: var(--card); border: 1px solid var(--hair);
  color: var(--text); font: inherit; font-size: 15px; outline: none; resize: vertical;
}
#lead-form input:focus, #lead-form textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); }
#lead-form button { justify-self: start; }
.form-note { margin: 0; font-size: 14px; min-height: 1.2em; }
.form-note.ok { color: var(--accent); }
.form-note.bad { color: #ff6b7a; }

footer { padding: 54px 6vw 30px; color: var(--text-3); font-size: 14px; border-top: 1px solid var(--hair); }
footer a { color: var(--text-2); display: block; margin-bottom: 8px; }
footer a:hover { color: var(--text); }
.footer-cols { max-width: 980px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 24px; padding-bottom: 28px; }
.footer-cols .brand { display: inline-block; margin-bottom: 8px; }
.footer-cols p.muted { font-size: 13.5px; max-width: 320px; }
.footer-label { font-size: 12px; text-transform: uppercase; letter-spacing: .07em; color: var(--text-3); margin: 0 0 10px; }
.copyright { max-width: 980px; margin: 0 auto; padding-top: 22px; border-top: 1px solid var(--hair); }

@media (max-width: 760px) {
  .nav nav { gap: 14px; }
  .nav nav a:not(.btn) { display: none; }
  .grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .hero { grid-template-columns: 1fr; }
  .hero-mock { order: -1; }
  section { padding: 56px 0; }
  .footer-cols { grid-template-columns: 1fr; gap: 28px; }
}