:root {
  --bg: #0b0f1a;
  --bg2: #141b2e;
  --card: #131a2c;
  --line: #23304d;
  --text: #e8ecf6;
  --dim: #93a0bb;
  --cyan: #22e0ff;
  --mint: #06d6a0;
  --amber: #ffb703;
  --rose: #ff4d6d;
  --violet: #b388ff;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.7 -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 880px; margin: 0 auto; padding: 0 18px; }

/* ---------- header ---------- */
header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(11, 15, 26, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.nav {
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: 880px;
  margin: 0 auto;
  padding: 12px 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--text);
}

.brand img { width: 30px; height: 30px; border-radius: 8px; }

.nav .spacer { flex: 1; }

.nav a.link {
  color: var(--dim);
  font-size: 14px;
  font-weight: 600;
  padding: 6px 8px;
  border-radius: 8px;
}

.nav a.link:hover { color: var(--text); background: #1a2338; text-decoration: none; }
.nav a.link.active { color: var(--cyan); }

/* ---------- hero ---------- */
.hero { padding: 54px 0 30px; text-align: center; }

.hero img.logo {
  width: 108px;
  height: 108px;
  border-radius: 26px;
  box-shadow: 0 0 0 1px var(--line), 0 18px 50px rgba(34, 224, 255, 0.16);
}

h1 {
  font-size: 40px;
  margin: 18px 0 6px;
  letter-spacing: 1px;
}

.tagline { color: var(--cyan); font-weight: 700; letter-spacing: 2px; font-size: 14px; margin: 0; }

.lead { color: var(--dim); max-width: 620px; margin: 16px auto 0; }

/* ---------- buttons ---------- */
.btnrow { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin: 26px 0 8px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(180deg, #46f0bb, var(--mint));
  color: #04120d;
  font-weight: 800;
  padding: 13px 22px;
  border-radius: 14px;
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.35);
}

.btn:hover { text-decoration: none; filter: brightness(1.05); }

.btn.ghost {
  background: #1a2338;
  color: var(--text);
  border: 1px solid var(--line);
  box-shadow: none;
}

/* ---------- cards / sections ---------- */
section { padding: 26px 0; }

h2 { font-size: 22px; margin: 0 0 12px; color: var(--mint); }
h3 { font-size: 16px; margin: 22px 0 6px; color: var(--text); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px 20px;
  margin: 14px 0;
}

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }

ul.clean { list-style: none; padding-left: 0; margin: 8px 0; }
ul.clean li { padding-left: 24px; position: relative; margin: 7px 0; color: #d7deec; }
ul.clean li::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
}

ol.steps { padding-left: 20px; color: #d7deec; }
ol.steps li { margin: 8px 0; }

.pill {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--amber);
  border: 1px solid #3a2f10;
  background: #1e1a0c;
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}

.muted { color: var(--dim); font-size: 14px; }

.note {
  background: #101728;
  border-left: 3px solid var(--cyan);
  border-radius: 8px;
  padding: 12px 14px;
  color: #cfd8ea;
}

.qa { margin: 14px 0; }
.qa .q { font-weight: 700; color: var(--text); }
.qa .a { color: #cfd8ea; margin-top: 2px; }

.mail {
  font-size: 18px;
  font-weight: 700;
  word-break: break-all;
}

footer {
  border-top: 1px solid var(--line);
  margin-top: 30px;
  padding: 26px 0 40px;
  color: var(--dim);
  font-size: 14px;
  text-align: center;
}

footer a { color: var(--dim); }
footer .dots { letter-spacing: 6px; color: var(--cyan); font-size: 18px; }

/* ---------- small screens ---------- */
.brand { white-space: nowrap; }
.nav { flex-wrap: wrap; }

@media (max-width: 640px) {
  .nav { gap: 6px 8px; padding: 10px 14px; }
  .nav a.link { font-size: 13px; padding: 5px 7px; }
  .brand { font-size: 13px; letter-spacing: 0.3px; }
  .brand img { width: 26px; height: 26px; }
  h1 { font-size: 31px; }
  .hero { padding: 34px 0 22px; }
  .hero img.logo { width: 92px; height: 92px; }
  .mail { font-size: 16px; }
}

@media (max-width: 420px) {
  .brand .word { display: none; }
}