:root {
  --bg: #0a0e1a;
  --bg-soft: #0f1526;
  --card: #121a30;
  --card-hover: #182240;
  --border: #243052;
  --border-hover: #35507a;
  --text: #eef4ff;
  --text-soft: #aab6d1;
  --muted: #7d8aa8;
  --blue: #4fc3f7;
  --blue-deep: #2f80d8;
  --gold: #f5c16c;
  --radius: 16px;
  --max-w: 1080px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}

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

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

.container {
  width: min(100%, var(--max-w));
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(36, 48, 82, 0.9);
  background: rgba(10, 14, 26, 0.88);
  backdrop-filter: blur(16px);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 66px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 750;
  letter-spacing: -0.02em;
  font-size: 16px;
}

.brand img {
  border-radius: 8px;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
  color: var(--text-soft);
}

.desktop-nav a {
  transition: color 0.2s ease;
}

.desktop-nav a:hover {
  color: var(--text);
}

.nav-cta {
  color: #081120 !important;
  background: linear-gradient(135deg, var(--blue), var(--blue-deep));
  padding: 9px 15px;
  border-radius: 999px;
  font-weight: 700;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 12px 24px 18px;
  border-top: 1px solid var(--border);
  background: rgba(10, 14, 26, 0.98);
}

.mobile-nav a {
  padding: 11px 10px;
  border-radius: 10px;
  color: var(--text-soft);
  font-size: 14px;
}

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

.hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 76px;
  text-align: center;
}

.hero::before {
  content: "";
  position: absolute;
  top: -260px;
  left: 50%;
  width: 760px;
  height: 560px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(79, 195, 247, 0.18), transparent 68%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 820px;
}

.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 13px;
  border: 1px solid rgba(79, 195, 247, 0.28);
  border-radius: 999px;
  background: rgba(79, 195, 247, 0.08);
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin-top: 24px;
  font-size: clamp(46px, 8vw, 84px);
  line-height: 0.98;
  letter-spacing: -0.045em;
  font-weight: 800;
}

.hero h1 {
  background: linear-gradient(120deg, #ffffff 0%, var(--blue) 55%, var(--gold) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  max-width: 680px;
  margin: 22px auto 0;
  color: var(--text-soft);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  transition: transform 0.2s ease, opacity 0.2s ease, border-color 0.2s ease;
}

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

.button-primary {
  color: #06111f;
  background: linear-gradient(135deg, var(--blue), var(--blue-deep));
}

.button-primary:hover {
  opacity: 0.9;
}

.button-secondary {
  color: var(--text);
  border: 1px solid var(--border-hover);
  background: rgba(18, 26, 48, 0.72);
}

.button-secondary:hover {
  border-color: var(--blue);
}

.hero-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
}

.section {
  padding: 84px 0;
}

.section-alt {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-heading {
  max-width: 680px;
  margin-bottom: 42px;
  text-align: center;
}

.section-heading h2 {
  margin-top: 14px;
  font-size: clamp(30px, 5vw, 44px);
  letter-spacing: -0.035em;
  line-height: 1.12;
}

.section-heading p {
  margin-top: 14px;
  color: var(--text-soft);
  font-size: 16px;
}

.split,
.grid-4 {
  display: grid;
  gap: 18px;
}

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

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.card:hover {
  background: var(--card-hover);
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  border-radius: 12px;
  background: rgba(79, 195, 247, 0.1);
  color: var(--blue);
  font-size: 22px;
}

.card h3 {
  margin-bottom: 9px;
  font-size: 18px;
  letter-spacing: -0.015em;
}

.card p {
  color: var(--text-soft);
  font-size: 14px;
}

.steps {
  display: grid;
  gap: 18px;
  max-width: 780px;
  margin: 0 auto;
}

.step {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}

.step-number {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(79, 195, 247, 0.2), rgba(47, 128, 216, 0.18));
  color: var(--blue);
  font-size: 17px;
  font-weight: 800;
}

.step h3 {
  margin-bottom: 7px;
  font-size: 17px;
}

.step p {
  color: var(--text-soft);
  font-size: 14px;
}

.faq-list {
  display: grid;
  gap: 12px;
  max-width: 820px;
  margin: 0 auto;
}

details {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}

summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 20px;
  cursor: pointer;
  font-weight: 700;
  font-size: 15px;
}

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

summary::after {
  content: "+";
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(79, 195, 247, 0.1);
  color: var(--blue);
  font-size: 19px;
  transition: transform 0.2s ease;
}

details[open] summary::after {
  transform: rotate(45deg);
}

details p {
  padding: 0 20px 18px;
  color: var(--text-soft);
  font-size: 14px;
}

.site-footer {
  padding: 54px 0;
  border-top: 1px solid var(--border);
  color: var(--text-soft);
}

.footer-inner {
  display: grid;
  gap: 20px;
}

.footer-brand {
  color: var(--text);
  font-weight: 750;
  margin-bottom: 6px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 14px;
}

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

.footer-disclaimer {
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 900px) {
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .desktop-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .mobile-nav.is-open {
    display: flex;
  }

  .hero {
    padding: 68px 0 56px;
  }

  .section {
    padding: 60px 0;
  }

  .split,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}