:root {
  --black: #070708;
  --black-2: #0b0b0d;
  --black-3: #111114;
  --dark: #171719;

  --red: #d71920;
  --red-2: #b9141b;
  --red-soft: rgba(215, 25, 32, .16);

  --yellow: #ffc400;
  --yellow-2: #ffdc64;
  --yellow-soft: rgba(255, 196, 0, .16);

  --white: #ffffff;
  --soft: #f5f5f5;
  --muted: #a7a7ad;
  --muted-2: #d7d7dc;

  --border: rgba(255, 255, 255, .12);
  --border-strong: rgba(255, 255, 255, .20);

  --shadow: 0 24px 80px rgba(0, 0, 0, .42);
  --shadow-red: 0 18px 42px rgba(215, 25, 32, .28);

  --radius-sm: 14px;
  --radius: 22px;
  --radius-lg: 32px;

  --container: 1180px;
  --header-height: 82px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--black);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
}

img,
svg {
  max-width: 100%;
  display: block;
}

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(var(--container), calc(100% - 32px));
  margin-inline: auto;
}

.section {
  padding: 96px 0;
}

.section-head {
  max-width: 820px;
  margin-bottom: 38px;
}

.split-head {
  display: grid;
  grid-template-columns: 1fr .82fr;
  align-items: end;
  gap: 34px;
  max-width: none;
}

.section-head h2,
.page-hero h1 {
  margin: 10px 0 14px;
  line-height: 1.06;
  letter-spacing: -0.045em;
}

.section-head h2 {
  font-size: clamp(34px, 5vw, 58px);
}

.section-head p,
.page-hero p {
  color: var(--muted-2);
  margin: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--yellow);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .10em;
  font-size: 12px;
}

.eyebrow i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 6px rgba(215, 25, 32, .18);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 0;
  text-decoration: none;
  min-height: 50px;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 900;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--red), #f01f28);
  color: var(--white);
  box-shadow: var(--shadow-red);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--red-2), var(--red));
}

.btn-secondary {
  background: rgba(255, 255, 255, .08);
  border: 1px solid var(--border-strong);
  color: var(--white);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  border-color: rgba(255, 196, 0, .45);
  background: rgba(255, 255, 255, .12);
}

.btn-lg {
  min-height: 58px;
  padding: 15px 24px;
  font-size: 16px;
}

.btn-lg strong {
  letter-spacing: .02em;
}

.center {
  text-align: center;
  margin-top: 38px;
}

.premium-card {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .075), rgba(255, 255, 255, .035));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 16px 46px rgba(0, 0, 0, .20);
}

.premium-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top right, rgba(255, 196, 0, .12), transparent 34%),
    radial-gradient(circle at bottom left, rgba(215, 25, 32, .12), transparent 38%);
  pointer-events: none;
}

.page-main {
  padding-top: var(--header-height);
}

.page-hero {
  padding: 94px 0 62px;
  background:
    radial-gradient(circle at top left, rgba(215, 25, 32, .22), transparent 35%),
    radial-gradient(circle at top right, rgba(255, 196, 0, .16), transparent 32%),
    linear-gradient(180deg, #0b0b0d, #080809);
  border-bottom: 1px solid var(--border);
}

.page-hero h1 {
  font-size: clamp(40px, 7vw, 74px);
}

.alert {
  padding: 14px 16px;
  border-radius: 14px;
  margin-bottom: 18px;
  font-weight: 800;
}

.alert.success {
  background: rgba(34,197,94,.12);
  color: #86efac;
  border: 1px solid rgba(34,197,94,.25);
}

.alert.error {
  background: rgba(239,68,68,.12);
  color: #fecaca;
  border: 1px solid rgba(239,68,68,.25);
}

@media (max-width: 900px) {
  :root {
    --header-height: 78px;
  }

  .section {
    padding: 68px 0;
  }

  .split-head {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .page-main {
    padding-top: var(--header-height);
  }

  .page-hero {
    padding: 72px 0 46px;
  }
}