:root {
  --bg: #0f1115;
  --header-footer: #171a21;
  --block: #1d2230;
  --card: #222838;
  --border: #2c3345;
  --text: #f5f7fa;
  --muted: #b8c0cc;
  --accent: #ff3b3b;
  --accent-hover: #ff5757;
  --accent-soft: #ffd166;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
  line-height: 1.65;
}

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

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

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(23, 26, 33, 0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.logo {
  width: 140px;
  height: auto;
}

.bonus-btn,
.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 700;
  box-shadow: 0 8px 18px rgba(255, 59, 59, 0.25);
  transition: background 0.2s ease, transform 0.2s ease;
}

.bonus-btn:hover,
.cta-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.menu-toggle {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 20px;
}

.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list a {
  display: inline-flex;
  align-items: center;
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--muted);
  font-weight: 600;
  white-space: nowrap;
}

.nav-list a:hover,
.nav-list a.active {
  color: var(--text);
  background: var(--card);
}

main {
  padding: 26px 0 10px;
}

.hero {
  background: linear-gradient(180deg, rgba(34, 40, 56, 0.85), rgba(29, 34, 48, 0.95));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 30px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
  align-items: center;
}

h1 {
  margin: 0 0 14px;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  line-height: 1.2;
}

h2 {
  margin: 0 0 12px;
  font-size: clamp(1.3rem, 2.8vw, 1.9rem);
  line-height: 1.3;
}

p {
  margin: 0 0 14px;
  color: var(--muted);
}

.hero-actions {
  margin-top: 16px;
}

.banner-link img {
  border-radius: 14px;
  border: 1px solid var(--border);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.28);
}

.content-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.section-card {
  background: var(--block);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 10px;
}

.faq-item:last-child {
  margin-bottom: 0;
}

.faq-item h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.faq-item p {
  margin: 0;
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.links-grid a {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--text);
  text-align: center;
  font-weight: 600;
}

.links-grid a:hover {
  border-color: var(--accent-soft);
  color: var(--accent-soft);
}

.site-footer {
  margin-top: 26px;
  border-top: 1px solid var(--border);
  background: var(--header-footer);
}

.footer-inner {
  padding: 22px 0 28px;
  text-align: center;
}

.footer-logo {
  width: 130px;
  margin: 0 auto 12px;
}

.footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--muted);
}

.footer-links a:hover {
  color: var(--text);
}

.copyright {
  color: var(--muted);
  font-size: 0.93rem;
}

@media (max-width: 980px) {
  .header-inner {
    min-height: 62px;
  }

  .logo {
    width: 118px;
  }

  .main-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--header-footer);
    border-bottom: 1px solid var(--border);
    border-top: 1px solid var(--border);
    padding: 8px 0;
    display: none;
  }

  .main-nav.open {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 0 24px;
  }

  .nav-list a {
    width: 100%;
    justify-content: flex-start;
    padding: 10px 12px;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .hero {
    padding: 22px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .links-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .container {
    padding: 0 16px;
  }

  .bonus-btn {
    padding: 9px 12px;
    font-size: 0.92rem;
  }

  .hero,
  .section-card {
    padding: 18px;
  }
}