:root {
  --bg-main: #050608;
  --bg-elevated: #111218;
  --bg-soft: #171822;
  --accent: #ff8a1f;
  --accent-soft: rgba(255, 138, 31, 0.16);
  --accent-strong: #ffb347;
  --text-main: #f7f7f7;
  --text-muted: #9b9daf;
  --border-subtle: rgba(255, 255, 255, 0.06);
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.7);
  --radius-lg: 18px;
  --radius-full: 999px;
  --transition-fast: 0.18s ease-out;
}

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #181920 0, #050608 55%);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: linear-gradient(
    to bottom,
    rgba(5, 6, 8, 0.98),
    rgba(5, 6, 8, 0.96),
    rgba(5, 6, 8, 0.82)
  );
  border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
}

.logo {
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 18px;
  color: var(--accent-strong);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
}

.main-nav a {
  color: var(--text-muted);
  padding: 4px 0;
  position: relative;
  transition: color var(--transition-fast);
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  transition: width var(--transition-fast);
}

.main-nav a:hover {
  color: #e4e6ff;
}

.main-nav a:hover::after {
  width: 100%;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast),
    border-color var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #120b04;
  box-shadow: 0 12px 28px rgba(255, 138, 31, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 40px rgba(255, 138, 31, 0.45);
}

.btn-secondary {
  background: rgba(255, 138, 31, 0.08);
  color: var(--accent-strong);
  border-color: rgba(255, 138, 31, 0.5);
}

.btn-secondary:hover {
  background: rgba(255, 138, 31, 0.16);
}

.btn-outline {
  background: transparent;
  border-color: var(--border-subtle);
  color: var(--text-main);
}

.btn-outline:hover {
  border-color: var(--accent);
  background: rgba(255, 138, 31, 0.06);
}

.hero {
  position: relative;
  min-height: 82vh;
  display: flex;
  align-items: center;
  padding: 40px 0 72px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top left, rgba(255, 138, 31, 0.12), transparent),
    radial-gradient(circle at bottom right, rgba(255, 138, 31, 0.14), transparent),
    url("./pc-bg.webp") center right / cover no-repeat;
  opacity: 0.22;
  mix-blend-mode: screen;
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at left,
    rgba(0, 0, 0, 0.7),
    rgba(0, 0, 0, 0.3)
  );
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 640px;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(12, 13, 20, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--accent-strong);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.hero-offer {
  font-size: 18px;
  color: var(--accent-strong);
  margin: 0 0 8px;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 48px);
  margin: 0 0 12px;
  line-height: 1.08;
}

.hero-subtitle {
  margin: 0 0 24px;
  font-size: 15px;
  color: var(--text-muted);
  max-width: 520px;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px 18px;
}

.hero-note {
  font-size: 12px;
  color: var(--text-muted);
}

.section {
  padding: 56px 0;
}

.section-benefits {
  background: radial-gradient(circle at top, #10111a 0, #050608 55%);
}

.section h2 {
  font-size: 26px;
  margin: 0 0 10px;
}

.section-subtitle {
  margin: 0 0 28px;
  color: var(--text-muted);
  font-size: 14px;
  max-width: 520px;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.benefit-card {
  padding: 18px 18px 20px;
  border-radius: var(--radius-lg);
  background: linear-gradient(
    145deg,
    rgba(17, 18, 24, 0.98),
    rgba(8, 8, 12, 0.98)
  );
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
}

.benefit-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
}

.benefit-card p {
  margin: 0;
  font-size: 14px;
  color: var(--text-muted);
}

.section-extra {
  background: radial-gradient(circle at bottom, #14151f 0, #050608 55%);
}

.extra-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.extra-card {
  padding: 14px 14px 16px;
  border-radius: 14px;
  background: rgba(11, 11, 16, 0.86);
  border: 1px solid var(--border-subtle);
}

.extra-card h3 {
  margin: 0 0 8px;
  font-size: 15px;
}

.extra-card p {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
}

.section-transfer {
  padding: 60px 0 72px;
}

.transfer-inner {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.4fr);
  gap: 32px;
  padding: 24px 24px 26px;
  border-radius: 22px;
  background: linear-gradient(
    135deg,
    rgba(255, 138, 31, 0.08),
    rgba(4, 5, 10, 0.98)
  );
  border: 1px solid rgba(255, 138, 31, 0.5);
  box-shadow: 0 20px 54px rgba(0, 0, 0, 0.85);
}

.transfer-label {
  font-size: 13px;
  color: var(--accent-strong);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin: 0 0 8px;
}

.transfer-inner h2 {
  margin: 0 0 10px;
  font-size: 22px;
}

.transfer-description {
  margin: 0;
  font-size: 14px;
  color: var(--text-muted);
}

.transfer-action {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  justify-content: center;
}

.transfer-note {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
}

.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 18px 0 20px;
  background: #050608;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 11px;
  color: var(--text-muted);
}

.footer-logo {
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.footer-text {
  margin: 0;
  max-width: 520px;
}

@media (max-width: 900px) {
  .header-inner {
    padding-inline: 12px;
  }

  .main-nav {
    display: none;
  }

  .hero {
    padding-top: 28px;
  }

  .benefits-grid {
    grid-template-columns: 1fr;
  }

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

  .transfer-inner {
    grid-template-columns: 1fr;
    padding: 20px 18px 22px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 600px) {
  .hero {
    min-height: auto;
    padding-bottom: 56px;
  }

  .hero-content {
    padding-top: 12px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .extra-grid {
    grid-template-columns: 1fr;
  }
}