:root {
  --bg: #07090d;
  --bg-soft: #0e1218;
  --bg-card: #141a22;
  --line: rgba(255, 255, 255, 0.08);
  --cyan: #00e5ff;
  --cyan-dim: #00b8d4;
  --gold: #ffd166;
  --text: #f4f6f8;
  --muted: #9aa3ad;
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  --max: 1120px;
  --header: 92px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header) + 12px);
}

body {
  font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--cyan);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  background: var(--cyan);
  color: #041016;
  padding: 8px 12px;
  border-radius: 8px;
  z-index: 100;
  font-weight: 700;
}

.skip-link:focus {
  top: 12px;
}

.promo-bar {
  background: linear-gradient(90deg, #04181c, #1a1406);
  border-bottom: 1px solid rgba(0, 229, 255, 0.22);
  padding: 10px 0;
  font-size: 0.92rem;
}

.promo-bar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.promo-bar p {
  margin: 0;
  color: #e8eef2;
}

.promo-bar b {
  color: var(--cyan);
}

.promo-bar a {
  font-weight: 800;
  white-space: nowrap;
}

.progress {
  position: fixed;
  inset: 0 0 auto;
  height: 3px;
  background: transparent;
  z-index: 80;
  pointer-events: none;
}

.progress span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--cyan), #7cffff);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  height: var(--header);
  backdrop-filter: blur(16px);
  background: rgba(5, 5, 5, 0.86);
  border-bottom: 1px solid var(--line);
}

.header-inner,
.wrap {
  width: min(var(--max), calc(100% - 32px));
  margin-inline: auto;
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo img {
  height: 64px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav a:not(.btn) {
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 600;
}

.nav a:not(.btn):hover,
.nav a[aria-current="page"] {
  color: var(--white);
  text-decoration: none;
}

.header-cta {
  display: flex;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 12px;
  font-weight: 700;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none !important;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--cyan);
  color: #041016;
  box-shadow: 0 8px 24px rgba(0, 229, 255, 0.22);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.18);
}

.btn-lg {
  min-height: 52px;
  padding: 0 26px;
  font-size: 1.02rem;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: transparent;
  color: var(--white);
  font-size: 1.3rem;
}

.hero {
  position: relative;
  padding: 72px 0 56px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  width: 560px;
  height: 560px;
  left: -140px;
  top: -180px;
  background: radial-gradient(circle, rgba(255, 209, 102, 0.12), transparent 68%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  color: var(--cyan);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.hero-brand {
  height: 92px;
  width: auto;
  margin: 0 0 18px;
}

h1 {
  font-size: clamp(2.8rem, 6vw, 4.6rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
  color: var(--white);
}

h1 span {
  color: var(--cyan);
}

.lead {
  font-size: 1.12rem;
  color: var(--muted);
  max-width: 62ch;
  margin-bottom: 28px;
}

.lead strong {
  color: var(--white);
  font-weight: 800;
}

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

.trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  border: 1px solid var(--line);
  background: var(--bg-card);
  color: var(--muted);
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 0.82rem;
  font-weight: 600;
}

.chip-hot {
  border-color: rgba(0, 229, 255, 0.45);
  color: var(--cyan);
  background: rgba(0, 229, 255, 0.1);
}

.chip-gold {
  border-color: rgba(255, 209, 102, 0.45);
  color: var(--gold);
  background: rgba(255, 209, 102, 0.1);
}

.hero-card {
  background: linear-gradient(180deg, #16161c, #0e0e12);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.hero-card img {
  margin: 0 auto 18px;
  height: 108px;
  width: auto;
}

.hero-card p {
  color: var(--muted);
  text-align: center;
  margin-bottom: 18px;
}

.card-kicker {
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--cyan);
  margin-bottom: 12px !important;
}

.offer-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 0 0 18px;
  padding: 0;
}

.offer-list li {
  background: #0a0a0e;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 8px;
  text-align: center;
}

.offer-list b {
  display: block;
  font-size: 1.85rem;
  color: var(--cyan);
  line-height: 1.1;
}

.offer-list li:last-child b {
  color: var(--gold);
}

.offer-list span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  margin-top: 4px;
  line-height: 1.35;
}

.hero-card .btn {
  width: 100%;
  margin-bottom: 10px;
}

.campaigns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 10px 0 48px;
}

.campaign {
  display: grid;
  gap: 8px;
  padding: 24px;
  border-radius: 18px;
  text-decoration: none !important;
  border: 1px solid rgba(0, 229, 255, 0.28);
  background: linear-gradient(180deg, rgba(0, 229, 255, 0.12), #121216);
  color: var(--text);
  box-shadow: var(--shadow);
  transition: transform 0.18s ease;
}

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

.campaign-gold {
  border-color: rgba(255, 209, 102, 0.35);
  background: linear-gradient(180deg, rgba(255, 209, 102, 0.12), #121216);
}

.campaign-tag {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
}

.campaign-gold .campaign-tag {
  color: var(--gold);
}

.campaign strong {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.03em;
  color: var(--white);
}

.campaign > span {
  color: var(--muted);
}

.campaign em {
  font-style: normal;
  font-weight: 800;
  color: var(--cyan);
}

.campaign-gold em {
  color: var(--gold);
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 10px 0 48px;
}

.stat {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}

.stat b {
  display: block;
  color: var(--cyan);
  font-size: 1.15rem;
}

.stat span {
  color: var(--muted);
  font-size: 0.88rem;
}

.layout {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 36px;
  padding-bottom: 72px;
}

.toc {
  position: sticky;
  top: calc(var(--header) + 18px);
  align-self: start;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
}

.toc-title {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
  font-weight: 700;
}

.toc ol {
  list-style: none;
  display: grid;
  gap: 8px;
}

.toc a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
}

.toc a:hover,
.toc a.active {
  color: var(--cyan);
  text-decoration: none;
}

article h2 {
  font-size: 1.7rem;
  letter-spacing: -0.02em;
  margin: 42px 0 14px;
}

article h3 {
  font-size: 1.22rem;
  margin: 28px 0 10px;
}

article p {
  color: #d5dbe1;
  margin-bottom: 16px;
}

article ul,
article ol {
  margin: 0 0 18px 1.2rem;
  color: #d5dbe1;
}

article li {
  margin-bottom: 8px;
}

.updated {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 18px;
}

.cta-band {
  margin: 36px 0;
  padding: 28px;
  border-radius: 18px;
  border: 1px solid rgba(0, 229, 255, 0.22);
  background: linear-gradient(90deg, rgba(0, 229, 255, 0.08), rgba(255, 255, 255, 0.03));
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.cta-band h2 {
  margin: 0 0 6px;
  font-size: 1.35rem;
}

.cta-band p {
  margin: 0;
  color: var(--muted);
}

.cta-band .actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

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

.faq summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq details p {
  margin: 10px 0 0;
  color: var(--muted);
}

.steps {
  display: grid;
  gap: 12px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.steps li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: start;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  margin: 0;
}

.steps b {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: rgba(0, 229, 255, 0.12);
  color: var(--cyan);
  font-size: 1.05rem;
}

.steps span {
  color: #d5dbe1;
}

article ol.steps {
  margin-left: 0;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 36px 0 110px;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer img {
  height: 56px;
  width: auto;
  margin: 8px 0 12px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 28px;
}

.footer-title {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 10px;
  font-weight: 700;
}

.site-footer ul {
  list-style: none;
}

.site-footer li {
  margin-bottom: 6px;
}

.disclaimer {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.mobile-cta {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  background: rgba(5, 5, 5, 0.94);
  border-top: 1px solid var(--line);
  gap: 8px;
}

.mobile-cta .btn {
  flex: 1;
}

@media (max-width: 900px) {
  :root {
    --header: 80px;
  }

  .logo img {
    height: 48px;
  }

  .hero-brand {
    height: 72px;
  }

  .hero-grid,
  .layout,
  .footer-grid,
  .stats {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
  }

  .nav {
    display: none;
    position: absolute;
    top: var(--header);
    left: 0;
    right: 0;
    background: #0b0b0d;
    border-bottom: 1px solid var(--line);
    padding: 16px;
    flex-direction: column;
    align-items: flex-start;
  }

  .nav.open {
    display: flex;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .header-cta {
    display: none;
  }

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

  .promo-bar .wrap {
    flex-direction: column;
    text-align: center;
  }

  .cta-band,
  .cta-band .actions {
    display: grid;
  }

  .mobile-cta {
    display: flex;
  }
}