:root {
  --bg-dark: #0a0c15;
  --bg-card: rgba(22, 25, 45, 0.62);
  --accent: #00f7ff;
  --accent-alt: #2686ff;
  --text-primary: #f0f5ff;
  --text-secondary: #a0aec0;
  --border: rgba(110, 138, 255, 0.2);
  --radius: 14px;
  --transition: all 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-dark);
  color: var(--text-primary);
  font-family: "Segoe UI", "SF Pro Display", -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

.grid-overlay {
  position: fixed;
  inset: 0;
  background:
    linear-gradient(rgba(0, 247, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 247, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: -1;
  pointer-events: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg-dark);
  z-index: 100;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--accent), var(--accent-alt));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

nav ul {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 0.5rem 0;
  will-change: transform;
}

nav a:hover {
  color: var(--accent);
}

.breadcrumb {
  margin: 1rem 0 1.2rem;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  list-style: none;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.breadcrumb li + li::before {
  content: "/";
  color: rgba(255, 255, 255, 0.3);
}

.breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--accent);
}

.layout {
  display: grid;
  gap: 1rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid rgba(170, 195, 255, 0.2);
  border-radius: var(--radius);
  padding: 1.3rem;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: -1px;
  background:
    radial-gradient(900px 220px at 5% 0%, rgba(0, 247, 255, 0.14), transparent 55%),
    radial-gradient(900px 220px at 95% 0%, rgba(38, 134, 255, 0.14), transparent 55%);
  pointer-events: none;
}

.card > * {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: clamp(1.55rem, 3.1vw, 2.2rem);
  line-height: 1.2;
  margin: 0.4rem 0 0.7rem;
}

.tag {
  display: inline-block;
  border: 1px solid rgba(0, 247, 255, 0.3);
  background: rgba(0, 247, 255, 0.09);
  color: var(--accent);
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.lead {
  color: var(--text-secondary);
  margin-bottom: 0.65rem;
}

.intent {
  font-size: 0.97rem;
}

.intent strong {
  color: var(--accent);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: 700;
  color: #031525;
  background: linear-gradient(120deg, var(--accent), #4ff5ff);
  border: 1px solid transparent;
  border-radius: 10px;
  min-height: 40px;
  padding: 0.55rem 0.95rem;
  transition: var(--transition);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(0, 247, 255, 0.22);
}

.btn.secondary {
  color: var(--text-primary);
  background: rgba(10, 16, 30, 0.5);
  border-color: rgba(130, 160, 255, 0.35);
}

.card h2 {
  font-size: 1.28rem;
  margin-bottom: 0.7rem;
}

.step-list {
  display: grid;
  gap: 0.7rem;
  margin-left: 1.2rem;
}

.step-list li {
  color: var(--text-secondary);
}

.faq-item + .faq-item {
  margin-top: 0.9rem;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(138, 160, 255, 0.17);
}

.faq-item h3 {
  font-size: 1.03rem;
  margin-bottom: 0.35rem;
  color: #e8f1ff;
}

.faq-item p {
  color: var(--text-secondary);
}

.trust p + p {
  margin-top: 0.48rem;
}

.trust a,
.footer a {
  color: var(--accent);
  text-decoration: none;
}

.trust a:hover,
.footer a:hover {
  text-decoration: underline;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.58rem;
}

.guide-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 38px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--text-secondary);
  border: 1px solid rgba(120, 150, 255, 0.25);
  background: rgba(8, 12, 28, 0.45);
  padding: 0.5rem 0.65rem;
  font-weight: 600;
  transition: var(--transition);
}

.guide-link:hover {
  color: var(--text-primary);
  border-color: rgba(0, 247, 255, 0.32);
}

.guide-link.active {
  color: #011522;
  border-color: transparent;
  background: linear-gradient(120deg, var(--accent), #3cb5ff);
}

.website-card p {
  color: var(--text-secondary);
}

.footer {
  margin: 1rem 0 0.3rem;
  border-top: 1px solid var(--border);
  padding: 1rem 0;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer p {
  display: flex;
  gap: 0.8rem;
  align-items: center;
}

@media (max-width: 600px) {
  .container {
    padding: 0.8rem;
  }

  header {
    flex-direction: column;
    gap: 1rem;
  }

  nav ul {
    gap: 1rem;
  }

  .card {
    padding: 1rem;
  }

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