:root {
  --bg: #0c0c0e;
  --bg-elevated: #141418;
  --bg-card: #1a1a20;
  --border: rgba(255, 255, 255, 0.08);
  --text: #f4f4f5;
  --text-muted: #a1a1aa;
  --text-subtle: #71717a;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.25);
  --radius: 12px;
  --radius-lg: 20px;
  --max-width: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-hover);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: #a5b4fc;
}

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

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  background: rgba(12, 12, 14, 0.85);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.875rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--text);
  font-weight: 600;
  font-size: 1.05rem;
}

.brand img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.925rem;
  font-weight: 500;
}

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

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff !important;
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
}

.header-cta:hover {
  background: var(--accent-hover);
  color: #fff !important;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
}

/* Hero */
.hero {
  padding: 5rem 0 4rem;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  padding: 0.35rem 0.875rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-muted);
  font-size: 0.8125rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.hero h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  max-width: 18ch;
  margin-inline: auto;
}

.hero p {
  margin: 0 auto 2rem;
  max-width: 42rem;
  color: var(--text-muted);
  font-size: 1.125rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.875rem;
  margin-bottom: 3.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.375rem;
  border-radius: 999px;
  font-size: 0.9375rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-elevated);
  color: var(--text);
}

.hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: -40% 20% auto;
  height: 60%;
  background: radial-gradient(ellipse, var(--accent-glow), transparent 70%);
  pointer-events: none;
}

.hero-visual img {
  width: 100%;
  position: relative;
}

/* Sections */
section {
  padding: 4.5rem 0;
}

.section-label {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-hover);
  margin-bottom: 0.75rem;
}

.section-header {
  max-width: 36rem;
  margin-bottom: 2.75rem;
}

.section-header h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.section-header p {
  margin: 0;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.section-header.center {
  text-align: center;
  margin-inline: auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.feature-card {
  padding: 1.5rem;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.feature-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(99, 102, 241, 0.12);
  color: var(--accent-hover);
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 600;
}

.feature-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  counter-reset: step;
}

.step {
  position: relative;
  padding-top: 0.5rem;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.step h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.step p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.highlight-band {
  background: var(--bg-elevated);
  border-block: 1px solid var(--border);
}

.highlight-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.highlight-inner h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.02em;
}

.highlight-inner p {
  margin: 0 0 1.25rem;
  color: var(--text-muted);
}

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

.check-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.625rem;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-hover);
  font-weight: 700;
}

.faq-list {
  max-width: 720px;
  margin-inline: auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 0;
}

.faq-item:first-child {
  border-top: 1px solid var(--border);
}

.faq-item h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 600;
}

.faq-item p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.cta-band {
  text-align: center;
  padding: 4rem 0 5rem;
}

.cta-band h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
}

.cta-band p {
  margin: 0 auto 1.75rem;
  max-width: 32rem;
  color: var(--text-muted);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
  padding: 2.5rem 0 2rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand p {
  margin: 0.5rem 0 0;
  color: var(--text-subtle);
  font-size: 0.875rem;
  max-width: 22rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2rem;
}

.footer-col h4 {
  margin: 0 0 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-subtle);
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li {
  margin-bottom: 0.5rem;
}

.footer-col a {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.footer-col a:hover {
  color: var(--text);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--text-subtle);
  font-size: 0.8125rem;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

.footer-legal a {
  color: var(--text-subtle);
}

.footer-legal a:hover {
  color: var(--text-muted);
}

/* Legal pages */
.legal-page {
  padding: 3rem 0 4rem;
}

.legal-page h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  letter-spacing: -0.02em;
}

.legal-meta {
  color: var(--text-subtle);
  font-size: 0.875rem;
  margin-bottom: 2.5rem;
}

.legal-content h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.2rem;
  font-weight: 600;
}

.legal-content h3 {
  margin: 1.5rem 0 0.5rem;
  font-size: 1rem;
  font-weight: 600;
}

.legal-content p,
.legal-content li {
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.legal-content ul {
  padding-left: 1.25rem;
}

.legal-content a {
  word-break: break-word;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin-bottom: 1.5rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
}

.back-link:hover {
  color: var(--text);
}

/* Responsive */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem 1rem 1rem;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li a {
    display: block;
    padding: 0.625rem 0;
  }

  .header-inner {
    position: relative;
    flex-wrap: wrap;
  }

  .header-cta {
    display: none;
  }

  .hero {
    padding-top: 3rem;
  }

  .highlight-inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .footer-inner {
    flex-direction: column;
  }
}