:root {
  --bg: #040712;
  --bg-secondary: #0c1428;
  --panel: rgba(12, 20, 40, 0.82);
  --panel-strong: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.12);
  --text: #f4f7fb;
  --muted: #a7b3c9;
  --accent: #8a5cff;
  --accent-2: #21d4fd;
  --accent-3: #ff5f7d;
  --shadow: 0 20px 45px rgba(6, 10, 24, 0.45);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.7;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(138, 92, 255, 0.35), transparent 24%),
    radial-gradient(circle at top right, rgba(33, 212, 253, 0.22), transparent 21%),
    linear-gradient(135deg, var(--bg) 0%, #07111f 100%);
  min-height: 100vh;
}

img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, textarea { font: inherit; }
.page-shell { overflow-x: hidden; }
section[id] { scroll-margin-top: 90px; }
.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}
.section { padding: 5rem 0; }
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: #ffffff;
  color: #040712;
  padding: 0.7rem 1rem;
  z-index: 250;
  border-radius: 0 0 0.8rem 0;
  text-decoration: none;
  font-weight: 700;
}
.skip-link:focus { left: 1rem; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(4, 7, 18, 0.8);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
}
.logo {
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}
.site-nav a {
  text-decoration: none;
  color: var(--muted);
  transition: color 180ms ease;
}
.site-nav a:hover, .site-nav a:focus-visible { color: var(--text); }
.nav-auth {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-left: 0.3rem;
}
.nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}
.nav-btn:hover, .nav-btn:focus-visible {
  transform: translateY(-1px);
}
.nav-btn-secondary {
  border: 1px solid rgba(255,255,255,0.16);
  color: var(--text);
  background: rgba(255,255,255,0.04);
}
.nav-btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #04121f;
}
.nav-cta {
  padding: 0.65rem 1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #04121f;
  font-weight: 700;
}
.menu-toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 0.15rem;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px 0;
  background: var(--text);
  border-radius: 999px;
}
.hero {
  padding: 5.5rem 0 4rem;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-2);
  margin-bottom: 1rem;
}
h1, h2, h3 {
  line-height: 1.15;
  margin-top: 0;
}
h1 { font-size: clamp(2.3rem, 4.5vw, 4rem); margin-bottom: 1.25rem; }
h2 { font-size: clamp(1.8rem, 3vw, 2.45rem); margin-bottom: 1rem; }
h3 { font-size: 1.2rem; margin-bottom: 0.6rem; }
.hero-text, .section-heading p, .feature-panel p, .card p, .experience-card p, .faq-answer p, .testimonial-card footer, .intro-grid p, .cta-card p, .info-card p, .info-list li {
  color: var(--muted);
}
.hero-auth-actions,
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 1.2rem 0 1.5rem;
}
.hero-auth-actions {
  margin-top: 0;
  margin-bottom: 1.4rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.25rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}
.btn:hover, .btn:focus-visible {
  transform: translateY(-2px);
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #04121f;
  box-shadow: 0 12px 25px rgba(33, 212, 253, 0.18);
}
.btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}
.trust-list {
  list-style: none;
  padding: 0;
  margin: 1.4rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}
.trust-list li {
  padding: 0.65rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
  font-size: 0.95rem;
}
.hero-visual img {
  width: 100%;
  border-radius: 1.7rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow);
  background: linear-gradient(145deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
}
.intro-grid, .split-grid, .cta-card {
  display: grid;
  gap: 2rem;
  align-items: center;
}
.intro-grid {
  grid-template-columns: 0.9fr 1.1fr;
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: 1.6rem;
  background: var(--panel);
  box-shadow: var(--shadow);
}
.info-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.2rem;
  align-items: start;
}
.info-card {
  padding: 1.5rem;
  border: 1px solid rgba(255,255,255,0.1);
  background: var(--panel);
  box-shadow: var(--shadow);
  border-radius: 1.35rem;
}
.info-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: grid;
  gap: 0.7rem;
}
.info-list li {
  padding: 0.8rem 0.95rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}
.inline-link {
  color: var(--accent-2);
  text-decoration: none;
  font-weight: 600;
}
.inline-link:hover, .inline-link:focus-visible {
  text-decoration: underline;
}
.section-heading {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 2.5rem;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
}
.card, .experience-card, .testimonial-card, .faq-item, .stat-card, .feature-panel, .cta-card {
  border: 1px solid rgba(255,255,255,0.1);
  background: var(--panel);
  box-shadow: var(--shadow);
  border-radius: 1.35rem;
}
.card {
  padding: 1.45rem;
  position: relative;
  overflow: hidden;
}
.card::after {
  content: '';
  position: absolute;
  inset: auto -25% -25% auto;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(33,212,253,0.16), transparent 70%);
  pointer-events: none;
}
.card-large {
  grid-column: span 2;
}
.card ul { padding-left: 1rem; color: var(--muted); }
.split-section { padding-top: 2rem; }
.split-grid { grid-template-columns: 1fr 1fr; }
.feature-panel { padding: 1.8rem; }
.feature-panel-visual { display: flex; align-items: center; justify-content: center; }
.compact-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.experience-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
}
.experience-card { padding: 1.4rem; }
.stats-section { padding-top: 3rem; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}
.stat-card { padding: 1.2rem; text-align: center; }
.stat-card strong {
  display: block;
  font-size: 2rem;
  color: var(--accent-2);
  margin-bottom: 0.25rem;
}
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.testimonial-card { padding: 1.35rem; }
.testimonial-card footer { margin-top: 1rem; font-style: italic; }
.faq-list { display: grid; gap: 0.9rem; }
.faq-question {
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  color: var(--text);
  padding: 1.15rem 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 600;
}
.faq-question span {
  font-size: 1.35rem;
  color: var(--accent-2);
  transition: transform 180ms ease;
}
.faq-item.is-open .faq-question span { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 280ms ease;
  padding: 0 1.2rem;
}
.faq-item.is-open .faq-answer {
  max-height: 700px;
  padding-bottom: 1rem;
}
.cta-card {
  grid-template-columns: 1.2fr 0.8fr;
  padding: 2rem;
  background: linear-gradient(135deg, rgba(138, 92, 255, 0.2), rgba(33, 212, 253, 0.12));
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: flex-end;
}
.site-footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-links { display: flex; gap: 1rem; flex-wrap: wrap; }
.footer-links a { text-decoration: none; color: var(--muted); }

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-left: auto;
  padding-left: 1rem;
  font-size: 0.85rem;
  font-weight: 500;
}
.lang-switch img {
  border-radius: 2px;
  display: inline-block;
  vertical-align: middle;
}
.lang-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  text-decoration: none;
  color: var(--muted);
  padding: 0.2rem 0.3rem;
  border-radius: 0.3rem;
  transition: color 150ms ease, background 150ms ease;
}
.lang-link:hover,
.lang-link:focus {
  color: var(--text);
  background: rgba(255,255,255,0.06);
}
.lang-link[aria-current="page"] {
  color: var(--text);
  font-weight: 600;
}
.lang-sep {
  color: rgba(255,255,255,0.25);
  user-select: none;
}

@media (max-width: 920px) {
  .hero-grid, .split-grid, .intro-grid, .cta-card, .info-grid { grid-template-columns: 1fr; }
  .card-grid, .compact-grid, .experience-grid, .testimonial-grid, .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .card-large { grid-column: span 2; }
  .cta-actions { justify-content: flex-start; }
}

@media (max-width: 760px) {
  .menu-toggle { display: inline-block; }
  .site-nav {
    position: absolute;
    top: 74px;
    left: 1rem;
    right: 1rem;
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem;
    border-radius: 1rem;
    background: rgba(4, 7, 18, 0.95);
    border: 1px solid rgba(255,255,255,0.08);
    display: none;
  }
  .site-nav.is-open { display: flex; }
  .hero { padding-top: 3.5rem; }
  .section { padding: 4rem 0; }
  .card-grid, .compact-grid, .experience-grid, .testimonial-grid, .stats-grid { grid-template-columns: 1fr; }
  .card-large { grid-column: span 1; }
  .stats-grid .stat-card strong { font-size: 1.8rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}