:root {
  --bg: #f3f5fb;
  --ink: #1c2333;
  --muted: #6b7385;
  --line: #e6eaf3;
  --card: #fff;
  --accent: #5b5ce2;
  --accent-2: #4338ca;
  --good: #16a34a;
  --bad: #e11d48;
  --r: 16px;
  --shadow: 0 10px 30px rgba(28, 35, 51, .06);
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: Inter, system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.45;
}
a { color: var(--accent); text-decoration: none; }
.top {
  display: flex; justify-content: space-between; align-items: center;
  padding: .85rem 2rem; background: #fff; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; gap: .7rem; align-items: center; color: inherit; font-weight: 800; }
.brand small { display: block; font-weight: 500; color: var(--muted); font-size: .78rem; }
.top nav { display: flex; gap: 1rem; align-items: center; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent); color: #fff; border: 0; border-radius: 12px;
  padding: .7rem 1.15rem; font-weight: 700; cursor: pointer;
}
.btn:hover { background: var(--accent-2); color: #fff; }
.btn-ghost { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.hero { max-width: 920px; margin: 0 auto; padding: 4rem 1.5rem 2rem; }
.eyebrow { color: var(--accent); font-weight: 700; letter-spacing: .04em; text-transform: uppercase; font-size: .78rem; }
.hero h1 { font-size: clamp(1.8rem, 4vw, 3rem); letter-spacing: -.03em; line-height: 1.12; margin: .4rem 0 1rem; }
.lead { font-size: 1.15rem; color: #3d4658; max-width: 720px; }
.hero-actions { display: flex; gap: .7rem; margin: 1.4rem 0 .6rem; flex-wrap: wrap; }
.hero-note { color: var(--muted); font-size: .9rem; }
.block { max-width: 1100px; margin: 0 auto; padding: 1.5rem 1.5rem 3rem; }
.block h2 { font-size: 1.6rem; margin-bottom: 1rem; }
.steps { padding-left: 1.2rem; }
.steps li { margin: .6rem 0; }
.cards-3, .price-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.cards-3 article, .price-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r);
  padding: 1.2rem 1.3rem; box-shadow: var(--shadow);
}
.price-card.featured { border-color: #c7c8f5; box-shadow: 0 12px 32px rgba(91, 92, 226, .12); }
.price-kicker { color: var(--accent); font-weight: 700; margin: 0; font-size: .85rem; }
.price-card h3 { font-size: 2rem; margin: .3rem 0 1rem; }
.price-card h3 span { font-size: 1rem; font-weight: 500; color: var(--muted); }
.price-card ul { padding-left: 1.1rem; color: #3d4658; }
.foot {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  padding: 1.5rem 2rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem;
}
.foot nav { display: flex; gap: 1rem; flex-wrap: wrap; }
.muted { color: var(--muted); }
.login-wrap { min-height: 70vh; display: grid; place-items: center; padding: 2rem 1rem; }
.login-card {
  width: min(420px, 100%); background: #fff; border: 1px solid var(--line);
  border-radius: 20px; padding: 1.6rem; box-shadow: var(--shadow);
  display: grid; gap: .8rem;
}
.login-card label { display: grid; gap: .3rem; font-weight: 600; font-size: .9rem; }
.login-card input {
  border: 1px solid var(--line); border-radius: 10px; padding: .7rem .8rem; font: inherit;
}
.err { background: #fff1f2; color: #be123c; padding: .6rem .8rem; border-radius: 10px; }