:root {
  --bg-main: #050816;
  --bg-surface: rgba(11, 16, 40, 0.88);
  --bg-card: rgba(12, 18, 45, 0.95);
  --text-main: #f5f7ff;
  --text-soft: #b8bed6;
  --text-muted: #8a90a8;
  --line: rgba(120, 131, 184, 0.18);
  --purple-1: #6b4dff;
  --purple-2: #9b6dff;
  --purple-3: #c08bff;
  --blue-1: #4db8ff;
  --gold-1: #d6a34f;
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 24px rgba(122, 89, 255, 0.28);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --container: 1440px;
  --header-height: 88px;
  --transition: 0.25s ease;
  --font-main: "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-title: "Orbitron", "Inter", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: var(--font-main);
  color: var(--text-main);
  background:
    radial-gradient(circle at top, rgba(98, 73, 255, 0.18), transparent 28%),
    radial-gradient(circle at 80% 20%, rgba(77, 184, 255, 0.12), transparent 20%),
    linear-gradient(180deg, #060814 0%, #040611 100%);
  background-color: var(--bg-main);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.8) 0 1px, transparent 1px),
    radial-gradient(circle at 70% 20%, rgba(255, 255, 255, 0.7) 0 1px, transparent 1px),
    radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.55) 0 1px, transparent 1px),
    radial-gradient(circle at 85% 70%, rgba(255, 255, 255, 0.6) 0 1px, transparent 1px);
  background-size: 320px 320px, 420px 420px, 380px 380px, 500px 500px;
  opacity: 0.28;
  z-index: -1;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  border: none;
  background: none;
  cursor: pointer;
}

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

ul,
ol {
  list-style: none;
}

.container {
  width: min(100% - 32px, var(--container));
  margin: 0 auto;
}

main {
  padding-top: calc(var(--header-height) + 0px);
}

.section {
  padding: 32px 0;
}

.section-title {
  font-family: var(--font-title);
  font-size: clamp(1.6rem, 2vw, 2.4rem);
  line-height: 1.1;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.section-text {
  color: var(--text-soft);
  line-height: 1.7;
}

.card {
  background: linear-gradient(180deg, rgba(18, 24, 58, 0.92), rgba(9, 13, 34, 0.96));
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(8px);
}

.grid {
  display: grid;
  gap: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
}

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

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--purple-2), var(--purple-1));
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  color: var(--purple-3);
  border: 1px solid rgba(146, 107, 255, 0.35);
  background: rgba(14, 16, 42, 0.72);
}

.text-gradient {
  background: linear-gradient(90deg, #ffffff 0%, #d2b4ff 42%, #8a5cff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-hero {
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(10, 15, 38, 0.95), rgba(7, 10, 26, 0.98));
  box-shadow: var(--shadow-soft);
}

.page-placeholder {
  display: grid;
  place-items: center;
  min-height: 52vh;
  text-align: center;
  padding: 32px;
}

.page-placeholder p {
  max-width: 640px;
  color: var(--text-soft);
  line-height: 1.7;
}

.footer {
  margin-top: 48px;
  padding: 32px 0 40px;
  border-top: 1px solid var(--line);
}

.footer p {
  color: var(--text-muted);
}

@media (max-width: 768px) {
  :root {
    --header-height: 78px;
  }

  .container {
    width: min(100% - 20px, var(--container));
  }

  .section {
    padding: 24px 0;
  }

  .page-hero,
  .page-placeholder {
    padding: 24px;
  }
}