:root {
  --bg: #0b1020;
  --bg-alt: #111a33;
  --card: #141f3d;
  --text: #e8eefc;
  --muted: #b7c4e5;
  --primary: #3aa0ff;
  --primary-strong: #1d7ed8;
  --accent: #56f1c9;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% 20%, #1b2b5c, var(--bg));
}

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

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

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

header {
  padding: 24px 0;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 20px;
}

.logo-badge {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: grid;
  place-items: center;
  color: #0b1020;
  font-weight: 800;
}

.nav-links {
  display: flex;
  gap: 18px;
  font-size: 14px;
  color: var(--muted);
}

.hero {
  padding: 60px 0 30px;
  display: grid;
  gap: 40px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
}

.hero-visual {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow);
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.hero-visual .overlay {
  position: absolute;
  inset: auto 16px 16px 16px;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(11, 16, 32, 0.78);
  font-size: 13px;
  color: var(--muted);
}

.hero-content h1 {
  font-size: clamp(32px, 4vw, 54px);
  margin: 0 0 16px;
}

.hero-content p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

.hero-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  border: 1px solid transparent;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: 0.2s ease;
}

.btn-primary {
  background: var(--primary);
  color: #0b1020;
}

.btn-primary:hover {
  background: var(--primary-strong);
}

.btn-outline {
  border-color: var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.hero-card {
  background: linear-gradient(160deg, rgba(58, 160, 255, 0.18), rgba(20, 31, 61, 0.65));
  padding: 28px;
  border-radius: 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero-card ul {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  display: grid;
  gap: 12px;
  color: var(--muted);
}

.section {
  padding: 60px 0;
}

.section h2 {
  margin: 0 0 16px;
  font-size: clamp(24px, 3vw, 36px);
}

.section p {
  color: var(--muted);
  line-height: 1.7;
}

.grid {
  display: grid;
  gap: 20px;
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 22px;
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(58, 160, 255, 0.15);
  color: var(--primary);
  font-size: 20px;
  margin-bottom: 12px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 6px 12px;
  background: rgba(86, 241, 201, 0.18);
  color: var(--accent);
  font-weight: 600;
  font-size: 13px;
}

.list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: grid;
  gap: 12px;
}

.list li {
  padding-left: 24px;
  position: relative;
  color: var(--muted);
}

.list li::before {
  content: "✔";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.faq {
  display: grid;
  gap: 16px;
}

.faq-item {
  padding: 18px 20px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.gallery figure {
  margin: 0;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  box-shadow: var(--shadow);
}

.gallery img {
  width: 100%;
  height: auto;
  object-fit: contain;
  background: rgba(11, 16, 32, 0.35);
}

.gallery figcaption {
  padding: 12px 14px 14px;
  color: var(--muted);
  font-size: 13px;
}

.split {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: center;
}

.soft-card {
  padding: 24px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

footer {
  border-top: 1px solid var(--border);
  padding: 24px 0 40px;
  color: var(--muted);
  font-size: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 10px;
}

.highlight {
  color: var(--accent);
  font-weight: 600;
}

@media (max-width: 720px) {
  .nav-links {
    display: none;
  }
}