:root {
  color-scheme: dark;
  --color-bg: #0e0e12;
  --color-surface: rgba(255, 255, 255, 0.04);
  --color-surface-strong: rgba(255, 255, 255, 0.08);
  --color-border: rgba(255, 255, 255, 0.08);
  --color-text: #f5f7ff;
  --color-muted: #9aa0b2;
  --color-accent: #8b7bff;
  --color-accent-strong: #605dff;
  --color-highlight: #ff4ecd;
  --color-button-primary-start: #a855f7;
  --color-button-primary-end: #6366f1;
  --color-button-primary-highlight: rgba(99, 102, 241, 0.5);
  --color-button-secondary-bg: rgba(148, 163, 184, 0.12);
  --color-button-secondary-border: rgba(148, 163, 184, 0.55);
  --color-button-secondary-hover: rgba(148, 163, 184, 0.2);
  --gradient-hero: linear-gradient(
    135deg,
    rgba(98, 93, 255, 0.28),
    rgba(255, 78, 205, 0.1)
  );
  --gradient-cta: linear-gradient(135deg, #605dff, #ff4ecd);
  --max-width: 1120px;
  --font-base: "Segoe UI", "SF Pro Display", "Inter", "Open Sans", sans-serif;
}

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

body {
  margin: 0;
  font-family: var(--font-base);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

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

a:hover,
a:focus {
  text-decoration: underline;
}

.container {
  width: min(var(--max-width), 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(14, 14, 18, 0.78);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 0;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.branding {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}

.branding-link {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: inherit;
  text-decoration: none;
}

.branding-link:hover,
.branding-link:focus {
  text-decoration: none;
}

.logo {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: block;
}

.brand-name {
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  gap: 1.6rem;
  font-size: 0.95rem;
}

.main-nav a {
  position: relative;
  padding-bottom: 0.2rem;
  text-decoration: none;
}

.main-nav a::after {
  content: "";
  position: absolute;
  inset: auto 0 -0.35rem;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.2s ease;
}

.main-nav a:hover::after,
.main-nav a:focus::after {
  transform: scaleX(1);
}

.main-nav a:hover,
.main-nav a:focus {
  text-decoration: none;
}

.cta-link {
  color: var(--color-highlight);
  font-weight: 600;
}

.language-switcher {
  position: relative;
}

.language-switcher select {
  appearance: none;
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.5rem 2.2rem 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 500;
  outline: none;
  transition: border 0.2s ease, background 0.2s ease;
}

.language-switcher select:hover,
.language-switcher select:focus {
  border-color: rgba(139, 123, 255, 0.6);
  background: var(--color-surface-strong);
}

.language-switcher::after {
  content: "";
  position: absolute;
  right: 0.9rem;
  top: 50%;
  width: 0.5rem;
  height: 0.5rem;
  border-left: 2px solid rgba(255, 255, 255, 0.7);
  border-bottom: 2px solid rgba(255, 255, 255, 0.7);
  transform: translateY(-60%) rotate(-45deg);
  pointer-events: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hero {
  position: relative;
  padding: 7rem 0 5rem;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  filter: blur(120px);
  opacity: 0.8;
  pointer-events: none;
}

.hero-content {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(2.7rem, 5vw, 3.6rem);
  line-height: 1.15;
  margin-bottom: 1.2rem;
  letter-spacing: -0.02em;
}

.hero-text p {
  font-size: 1.1rem;
  color: var(--color-muted);
  margin-bottom: 2rem;
  max-width: 32rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.8rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
  border: 1px solid transparent;
}

.btn.primary {
  background: linear-gradient(
    135deg,
    var(--color-button-primary-start),
    var(--color-button-primary-end)
  );
  color: #fff;
  border-color: rgba(168, 85, 247, 0.4);
  box-shadow: 0 18px 40px rgba(99, 102, 241, 0.32);
}

.btn.primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 26px 52px rgba(99, 102, 241, 0.44);
  text-decoration: none;
}

.btn.primary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(14, 14, 18, 0.6),
    0 0 0 6px var(--color-button-primary-highlight);
}

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

.btn.secondary:hover {
  background: var(--color-button-secondary-hover);
  text-decoration: none;
}

.btn.secondary:focus-visible {
  outline: none;
  border-color: rgba(139, 123, 255, 0.6);
  box-shadow: 0 0 0 3px rgba(14, 14, 18, 0.6),
    0 0 0 6px rgba(139, 123, 255, 0.4);
}

.hero-visual {
  display: grid;
  gap: 1.4rem;
}

.glass-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  padding: 1.9rem;
  backdrop-filter: blur(20px);
  box-shadow: 0 40px 70px rgba(0, 0, 0, 0.35);
}

.glass-card.primary-card {
  position: relative;
  overflow: hidden;
}

.glass-card.primary-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at 20% -10%,
    rgba(255, 255, 255, 0.16),
    transparent 55%
  );
  pointer-events: none;
}

.card-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-muted);
  margin-bottom: 1.1rem;
}

.glass-card h2 {
  margin: 0 0 0.8rem;
  font-size: 1.6rem;
}

.glass-card p {
  margin: 0 0 1.4rem;
  color: var(--color-muted);
  max-width: 26rem;
}

.card-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.8rem;
  font-size: 0.95rem;
}

.card-list li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 14px;
  padding: 0.7rem 1rem;
}

.card-list span {
  font-size: 1.15rem;
}

.glass-card.secondary-card h3 {
  margin: 0 0 0.8rem;
  font-size: 1.2rem;
}

.features,
.how-it-works,
.faq {
  padding: 4.5rem 0;
}

.features h2,
.how-it-works h2,
.faq h2 {
  text-align: center;
  margin-bottom: 2.4rem;
  font-size: 2.2rem;
  letter-spacing: -0.01em;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.8rem;
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 22px;
  padding: 2.1rem;
  box-shadow: 0 30px 54px rgba(0, 0, 0, 0.32);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(139, 123, 255, 0.5);
}

.feature-card h3 {
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.feature-card p {
  margin: 0;
  color: var(--color-muted);
}

.how-it-works .steps {
  list-style: none;
  display: grid;
  gap: 1.6rem;
  padding: 0;
  margin: 0 auto;
  max-width: 720px;
}

.how-it-works li {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 1.6rem 1.9rem;
}

.how-it-works strong {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 0.45rem;
}

.cta-banner {
  padding: 4.2rem 0;
  background: linear-gradient(135deg, #2a277a, #7a1f63);
  text-align: center;
  border-radius: 28px;
  width: min(calc(var(--max-width) + 4vw), 95vw);
  margin: 0 auto;
  box-shadow: 0 38px 64px rgba(96, 93, 255, 0.35);
}

.cta-banner h2 {
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: 2.1rem;
}

.cta-banner p {
  margin: 0 auto 1.6rem;
  max-width: 540px;
  color: rgba(255, 255, 255, 0.82);
}

.faq .faq-item {
  background: var(--color-surface);
  border-radius: 20px;
  padding: 1.8rem;
  border: 1px solid var(--color-border);
  margin-bottom: 1rem;
  box-shadow: 0 26px 48px rgba(0, 0, 0, 0.32);
}

.faq h3 {
  margin-top: 0;
  margin-bottom: 0.7rem;
  font-size: 1.15rem;
}

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

.site-footer {
  padding: 2.6rem 0;
  background: rgba(10, 10, 14, 0.88);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  margin-top: 4rem;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  align-items: center;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.footer-content p {
  margin: 0;
}

.footer-links {
  display: flex;
  gap: 1.8rem;
  flex-wrap: wrap;
  justify-content: center;
  padding-top: 0.6rem;
}

.footer-link {
  color: var(--color-highlight);
  font-weight: 500;
}

.legal-link {
  font-size: 0.95rem;
}

.legal-page .hero {
  padding-top: 5rem;
}

.legal-main {
  padding: 4rem 0 5rem;
}

.legal-hero {
  padding: 4rem 0 2rem;
}

.legal-hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.2rem, 4vw, 3rem);
}

.legal-hero p {
  margin: 0;
  color: var(--color-muted);
  max-width: 640px;
}

.legal-section {
  padding: 2rem 0 4rem;
}

.legal-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.8rem;
}

.legal-article {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 22px;
  padding: 2rem;
  box-shadow: 0 26px 48px rgba(0, 0, 0, 0.32);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.legal-article h2 {
  margin: 0;
  font-size: 1.3rem;
}

.legal-article p {
  margin: 0;
  color: var(--color-muted);
}

.legal-article a {
  color: var(--color-highlight);
}

@media (max-width: 820px) {
  .main-nav {
    display: none;
  }

  .hero {
    padding-top: 5.8rem;
  }

  .header-actions {
    gap: 0.8rem;
  }
}

@media (max-width: 600px) {
  .hero-actions {
    width: 100%;
  }

  .btn {
    flex: 1;
    text-align: center;
  }

  .language-switcher select {
    padding: 0.45rem 2rem 0.45rem 0.9rem;
    font-size: 0.85rem;
  }

  .cta-banner {
    border-radius: 22px;
  }
}