* {
  box-sizing: border-box;
}

:root {
  --bg: #0b0b0b;
  --bg-soft: #131313;
  --surface: #171717;
  --surface-2: #1e1e1e;
  --yellow: #ffd21f;
  --yellow-soft: #ffe46b;
  --yellow-dark: #b98c00;
  --text: #f5f5f5;
  --muted: #bdbdbd;
  --border: rgba(255, 210, 31, 0.18);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 210, 31, 0.09), transparent 28%),
    linear-gradient(180deg, #090909 0%, #101010 100%);
  color: var(--text);
  line-height: 1.7;
}

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

a:hover {
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: min(1180px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(8, 8, 8, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  color: var(--yellow);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.nav a {
  color: #e6e6e6;
  padding: 9px 12px;
  border-radius: 9px;
  font-size: 0.95rem;
  transition: 0.2s ease;
}

.nav a:hover {
  color: var(--yellow);
  background: rgba(255, 210, 31, 0.08);
}

.content {
  padding-top: 44px;
  padding-bottom: 70px;
}

.premium-hero {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 26px;
  padding: 42px;
  border: 1px solid var(--border);
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(255, 210, 31, 0.08), transparent 45%),
    linear-gradient(180deg, #171717 0%, #101010 100%);
  box-shadow: var(--shadow);
}

.premium-hero::after {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  right: -90px;
  top: -100px;
  border-radius: 50%;
  background: rgba(255, 210, 31, 0.12);
  filter: blur(10px);
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.hero-copy h1 {
  margin: 8px 0 14px;
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  line-height: 1;
  letter-spacing: -0.055em;
}

.hero-copy p {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: 1.06rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--yellow);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 12px;
  font-weight: 800;
  transition: 0.2s ease;
}

.btn-primary {
  color: #111;
  background: linear-gradient(135deg, var(--yellow), var(--yellow-soft));
  box-shadow: 0 10px 30px rgba(255, 210, 31, 0.18);
}

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

.btn-secondary {
  color: var(--text);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
}

.hero-panel {
  position: relative;
  z-index: 2;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: rgba(6, 6, 6, 0.5);
}

.hero-panel-label {
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.quick-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 15px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.quick-link:last-child {
  border-bottom: 0;
}

.quick-link strong {
  display: block;
  color: var(--text);
}

.quick-link small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
}

.quick-link .arrow {
  color: var(--yellow);
  font-size: 1.4rem;
}

.section-block {
  margin-top: 34px;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 20px;
}

.section-heading h2,
.content-panel h2,
.highlight-panel h2,
.cta-section h2 {
  margin: 8px 0 10px;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.section-heading p,
.content-panel p,
.highlight-panel p,
.cta-section p {
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card,
.content-panel,
.highlight-panel {
  border: 1px solid var(--border);
  border-radius: 20px;
  background: linear-gradient(180deg, var(--surface) 0%, #111 100%);
  box-shadow: var(--shadow);
}

.card {
  padding: 24px;
}

.card h3 {
  margin: 12px 0 8px;
  font-size: 1.22rem;
}

.card p {
  margin: 0 0 16px;
  color: var(--muted);
}

.feature-card {
  position: relative;
  overflow: hidden;
}

.card-number {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: #111;
  background: var(--yellow);
  font-weight: 900;
}

.text-link {
  color: var(--yellow);
  font-weight: 800;
}

.two-column {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
}

.content-panel,
.highlight-panel {
  padding: 28px;
}

.highlight-panel {
  background:
    linear-gradient(135deg, rgba(255, 210, 31, 0.09), transparent 55%),
    #151515;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
}

.check-list li {
  position: relative;
  padding: 10px 0 10px 28px;
  color: #dedede;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--yellow);
  font-weight: 900;
}

.cta-section {
  margin-top: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 30px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background:
    linear-gradient(120deg, rgba(255, 210, 31, 0.14), rgba(255, 210, 31, 0.03)),
    #151515;
  box-shadow: var(--shadow);
}

.site-footer {
  margin-top: 42px;
  padding: 30px 0;
  color: #a9a9a9;
  background: #080808;
  border-top: 1px solid var(--border);
}

.site-footer a {
  color: var(--yellow);
}

@media (max-width: 900px) {
  .premium-hero,
  .two-column {
    grid-template-columns: 1fr;
  }

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

  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .cta-section {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .content {
    padding-top: 24px;
  }

  .premium-hero {
    padding: 24px;
    border-radius: 20px;
  }

  .hero-copy h1 {
    font-size: 2.6rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .nav {
    width: 100%;
  }

  .nav a {
    padding-left: 0;
  }
}