:root {
  --bg: #070a10;
  --panel: #0b0f16;
  --line: rgba(255, 255, 255, 0.09);
  --txt: #e8edf5;
  --mut: #9aa6b8;
  --blue: #2e7cf6;
  --blue-l: #4da3ff;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--txt);
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.skip {
  position: absolute; left: -999px; top: 0;
  background: #fff; color: #000; padding: 8px 16px; border-radius: 8px; z-index: 99;
}
.skip:focus { left: 12px; top: 12px; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }
.center { text-align: center; }

/* NAV */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(7, 10, 16, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-in { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: #fff; font-weight: 700; font-size: 15px; line-height: 1.1; }
.brand small { display: block; font-size: 10px; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--mut); }
.mark-img {
  width: 38px; height: 38px; border-radius: 10px; display: block;
  border: 1px solid rgba(77, 163, 255, 0.35);
  box-shadow: 0 8px 24px -8px rgba(46, 124, 246, 0.7);
}
.links { display: flex; align-items: center; gap: 24px; }
.links a { color: var(--mut); text-decoration: none; font-size: 14px; font-weight: 500; }
.links a:hover { color: #fff; }
.burger {
  display: none; background: none; border: 1px solid var(--line);
  color: #fff; font-size: 20px; border-radius: 8px; width: 42px; height: 42px; cursor: pointer;
}

/* BUTTONS */
.btn {
  display: inline-block; background: var(--blue); color: #fff !important;
  padding: 13px 26px; border-radius: 9px; font-weight: 600; font-size: 14px;
  text-decoration: none; border: 1px solid rgba(77, 163, 255, 0.4);
  box-shadow: 0 8px 32px -8px rgba(46, 124, 246, 0.55);
  cursor: pointer; font-family: inherit;
}
.btn:hover { background: var(--blue-l); }
.btn.ghost { background: transparent; border: 1px solid rgba(255, 255, 255, 0.16); box-shadow: none; color: var(--txt) !important; }
.btn.ghost:hover { border-color: rgba(255, 255, 255, 0.35); }
.btn-sm { padding: 9px 16px; }
.btn.full { width: 100%; border: none; }

/* HERO */
.hero { padding: 72px 0 64px; background: radial-gradient(600px 320px at 20% 10%, rgba(46,124,246,.16), transparent 70%), radial-gradient(700px 380px at 85% 15%, rgba(46,124,246,.12), transparent 70%); }
.hero-grid { display: grid; gap: 40px; align-items: center; }
@media (min-width: 900px) { .hero-grid { grid-template-columns: 1.1fr 0.9fr; } }
.pill {
  display: inline-block; font-size: 12px; font-weight: 600; color: #8db9ff;
  border: 1px solid rgba(46, 124, 246, 0.4); background: rgba(46, 124, 246, 0.1);
  padding: 6px 14px; border-radius: 99px;
}
h1 { font-size: clamp(32px, 5vw, 52px); line-height: 1.1; letter-spacing: -0.02em; margin: 18px 0 16px; }
h2 { font-size: clamp(22px, 3vw, 30px); letter-spacing: -0.01em; margin: 10px 0 8px; }
.lead { font-size: 18px; color: var(--mut); max-width: 560px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.mini { font-size: 13px; color: #5d6a80; margin-top: 24px; }
.kick { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.2em; color: var(--blue-l); }
.sub { color: var(--mut); margin-top: 6px; max-width: 640px; }

/* CARDS + GRIDS */
.sec { padding: 64px 0; }
.sec.alt { background: var(--panel); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.card {
  border: 1px solid var(--line); border-radius: 14px; padding: 26px;
  background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.015));
}
.card h3 { font-size: 16px; margin-bottom: 8px; }
.card p { font-size: 14px; color: var(--mut); }
.grid4, .grid3 { display: grid; gap: 16px; margin-top: 28px; }
@media (min-width: 640px) { .grid4 { grid-template-columns: repeat(2, 1fr); } .grid3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .grid4 { grid-template-columns: repeat(4, 1fr); } .grid3 { grid-template-columns: repeat(3, 1fr); } }

.chart { width: 100%; height: auto; }
.chips { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 18px; }
.chips span {
  text-align: center; font-size: 12px; font-weight: 600; color: #c6d2e4;
  border: 1px solid var(--line); border-radius: 8px; padding: 10px 4px; background: rgba(255,255,255,.02);
}

/* STEPS */
.steps { list-style: none; display: grid; gap: 12px; margin-top: 28px; }
.steps li {
  border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px;
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.01));
  display: grid; gap: 4px;
}
.steps b { color: #fff; font-size: 15px; }
.steps span { color: var(--mut); font-size: 14px; }

/* FORM */
.form { margin-top: 28px; display: grid; gap: 18px; }
.form .row { display: grid; gap: 18px; }
@media (min-width: 640px) { .form .row { grid-template-columns: 1fr 1fr; } }
label { display: block; font-size: 14px; font-weight: 500; color: #c6d2e4; margin-bottom: 6px; }
input, select, textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 9px;
  background: rgba(255, 255, 255, 0.03); color: #fff;
  padding: 12px 14px; font-size: 14px; font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: rgba(77, 163, 255, 0.6); box-shadow: 0 0 0 3px rgba(46, 124, 246, 0.25); }
select option { background: #0b0f16; }
.err {
  border: 1px solid rgba(255, 90, 90, 0.35); background: rgba(255, 60, 60, 0.1);
  color: #ff9d9d; font-size: 14px; border-radius: 9px; padding: 12px 16px;
}
.ok {
  border: 1px solid rgba(77, 163, 255, 0.35); background: rgba(46, 124, 246, 0.1);
  border-radius: 9px; padding: 16px; font-size: 14px; color: var(--mut);
}
.ok b { color: #fff; }
.ok a, .mail { color: var(--blue-l); }
.fine { font-size: 12px; color: #5d6a80; }
.mail { font-size: 20px; font-weight: 700; display: inline-block; margin-top: 10px; }

/* LEGAL */
.legal p { font-size: 14px; color: var(--mut); margin: 10px 0 26px; }

/* FOOTER */
footer { border-top: 1px solid var(--line); background: #080b11; }
.foot { display: grid; gap: 28px; padding: 48px 20px; }
@media (min-width: 800px) { .foot { grid-template-columns: 2fr 1fr 1fr; } }
.foot b { color: #fff; }
.foot p { font-size: 14px; color: var(--mut); margin-top: 10px; }
.foot a { color: var(--mut); text-decoration: none; font-size: 14px; display: block; margin-top: 8px; }
.foot a:hover, .foot nav a:hover { color: #fff; }
.copy {
  border-top: 1px solid var(--line); padding: 18px 20px; text-align: center;
  font-size: 12px; color: #5d6a80;
}

/* MOBILE NAV */
@media (max-width: 899px) {
  .burger { display: block; }
  .links {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--panel); border-bottom: 1px solid var(--line); padding: 8px 20px 16px;
  }
  .links.open { display: flex; }
  .links a { padding: 12px 4px; border-bottom: 1px solid rgba(255,255,255,.05); }
  .links .btn { text-align: center; margin-top: 10px; border-bottom: none; }
  .nav-in { position: relative; }
}