:root {
  --bg: #0e1116;
  --surface: #161b22;
  --surface-2: #1c232e;
  --border: #2a3342;
  --text: #e8eaf0;
  --muted: #9aa3b2;
  --accent: #5277cc;
  --accent-soft: rgba(82, 119, 204, 0.14);
  --radius: 14px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(1200px 500px at 50% -120px, rgba(82, 119, 204, 0.16), transparent 70%), var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  line-height: 1.55;
}
.wrap { max-width: 1020px; margin: 0 auto; padding: 0 22px; }
header.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text); }
.brand img { width: 38px; height: 38px; border-radius: 10px; }
.brand b { font-size: 19px; }
nav.links a { color: var(--muted); text-decoration: none; margin-left: 22px; font-size: 14px; }
nav.links a:hover { color: var(--text); }
.btn {
  display: inline-block; background: var(--accent); color: #fff; border: 0; border-radius: 12px;
  padding: 13px 26px; font-size: 15px; font-weight: 600; cursor: pointer; text-decoration: none;
  transition: transform 0.16s ease, opacity 0.16s ease, background 0.16s ease;
}
.btn:hover { opacity: 0.9; transform: translateY(-1px); }
.btn:disabled { opacity: 0.45; cursor: default; transform: none; }
.btn.ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
.hero { text-align: center; padding: 72px 0 46px; }
.hero .logo-big {
  width: 120px; height: 120px; border-radius: 28px;
  box-shadow: 0 24px 70px rgba(82, 119, 204, 0.35);
  animation: float 5s ease-in-out infinite;
}
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.hero h1 { font-size: 46px; margin: 26px 0 8px; letter-spacing: -0.5px; }
.hero p.sub { color: var(--muted); font-size: 18px; max-width: 620px; margin: 0 auto 30px; }
.hero .actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero .ver { margin-top: 16px; color: var(--muted); font-size: 13px; }
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin: 26px 0 10px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; transition: transform 0.18s ease, border-color 0.18s ease;
}
.card:hover { transform: translateY(-3px); border-color: var(--accent); }
.card .ico { font-size: 30px; }
.card h3 { margin: 12px 0 6px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
section.block { padding: 44px 0 8px; }
section.block h2 { font-size: 28px; margin: 0 0 6px; }
section.block p.lead { color: var(--muted); margin: 0 0 8px; }
.shots { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-top: 18px; }
.shots figure {
  margin: 0; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px; text-align: center;
  transition: transform 0.18s ease;
}
.shots figure:hover { transform: scale(1.03); }
.shots img { width: 84px; height: 84px; border-radius: 20px; }
.shots figcaption { margin-top: 12px; color: var(--muted); font-size: 14px; }
.steps { counter-reset: step; margin: 18px 0 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.steps li {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px 16px 60px; position: relative;
}
.steps li::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: 18px; top: 14px; width: 28px; height: 28px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent); font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
footer { margin: 60px 0 0; padding: 26px 0 40px; border-top: 1px solid var(--border); color: var(--muted); font-size: 13px; }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
footer a { color: var(--muted); }
/* auth + profile */
.panel {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; margin: 20px 0;
}
.panel h3 { margin: 0 0 4px; }
.panel p.hint { color: var(--muted); font-size: 13px; margin: 0 0 14px; }
.field { margin: 10px 0; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 5px; }
input[type=text], input[type=email], input[type=password] {
  width: 100%; background: var(--surface-2); border: 1px solid var(--border); color: var(--text);
  border-radius: 10px; padding: 11px 13px; font-size: 14px;
}
input:focus { outline: none; border-color: var(--accent); }
.row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.bigcode {
  font-size: 40px; letter-spacing: 10px; font-weight: 800; text-align: center;
  background: var(--surface-2); border: 1px dashed var(--accent); border-radius: var(--radius);
  padding: 18px; margin: 14px 0;
}
.msg { min-height: 22px; font-size: 13px; color: var(--muted); margin-top: 10px; }
.msg.error { color: #f08787; }
.msg.ok { color: #7ddf9a; }
.profile-top { display: flex; gap: 18px; align-items: center; }
.profile-top img { width: 84px; height: 84px; border-radius: 50%; object-fit: cover; background: var(--surface-2); }
.profile-top .ph {
  width: 84px; height: 84px; border-radius: 50%; background: var(--accent);
  display: flex; align-items: center; justify-content: center; font-size: 34px; font-weight: 700; color: #fff;
}
.pill {
  display: inline-block; font-size: 12px; background: var(--accent-soft); color: var(--accent);
  border-radius: 999px; padding: 3px 12px; margin: 2px 6px 2px 0;
}
ul.clean { list-style: none; margin: 10px 0; padding: 0; display: grid; gap: 8px; }
ul.clean li {
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 14px; display: flex; justify-content: space-between; align-items: center; gap: 10px;
}
.mini { background: transparent; border: 1px solid var(--border); color: var(--text); border-radius: 9px; padding: 6px 12px; font-size: 13px; cursor: pointer; }
.mini:hover { border-color: var(--accent); }
.mini.danger:hover { border-color: #f08787; color: #f08787; }
@media (max-width: 640px) {
  .hero h1 { font-size: 33px; }
  nav.links a { margin-left: 14px; }
}