:root {
  --bg-900: #0a1324;
  --bg-800: #122047;
  --bg-700: #1c3563;
  --surface-1: rgba(24, 42, 80, 0.92);
  --surface-2: rgba(30, 52, 94, 0.92);
  --card-surface: rgba(36, 62, 112, 0.94);
  --text-100: #f2f6ff;
  --text-200: rgba(242, 246, 255, 0.84);
  --gold-500: #d4af37;
  --gold-600: #c19a2e;
  --accent-400: #7cc7e6;
  --border-subtle: rgba(124, 199, 230, 0.26);
  --shadow-soft: 0 18px 40px rgba(3, 8, 20, 0.45);
  --radius-lg: 22px;
  --radius-md: 16px;
  --space-xs: 0.5rem;
  --space-sm: 0.9rem;
  --space-md: 1.4rem;
  --space-lg: 2.2rem;
  --space-xl: 3.4rem;
  --max-width: 1120px;
  --transition-base: 0.25s ease;
}

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

body {
  font-family: system-ui, -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background:
    radial-gradient(circle at 18% 12%, rgba(124, 199, 230, 0.22), transparent 48%),
    radial-gradient(circle at 82% 14%, rgba(124, 199, 230, 0.16), transparent 44%),
    radial-gradient(circle at 50% 0%, rgba(32, 64, 116, 0.45), transparent 55%),
    linear-gradient(155deg, rgba(32, 68, 124, 0.25) 0%, transparent 42%),
    linear-gradient(160deg, var(--bg-800) 0%, var(--bg-700) 45%, var(--bg-900) 100%);
  color: var(--text-100);
  line-height: 1.65;
  min-height: 100vh;
}

a {
  color: var(--accent-400);
  text-decoration: none;
  position: relative;
  transition: color var(--transition-base);
}

a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.2rem;
  width: 100%;
  height: 2px;
  background: currentcolor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

a:hover::after,

a:focus-visible::after {
  transform: scaleX(1);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent-400);
  outline-offset: 3px;
}

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

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

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(10, 19, 36, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(124, 199, 230, 0.18);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 0;
  gap: 1.5rem;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(124, 199, 230, 0.35);
  background: rgba(10, 19, 36, 0.65);
  cursor: pointer;
  transition: background var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  background: rgba(124, 199, 230, 0.12);
  border-color: rgba(124, 199, 230, 0.6);
  transform: translateY(-1px);
}

.nav-toggle__icon {
  position: relative;
  width: 20px;
  height: 14px;
}

.nav-toggle__icon span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: var(--text-100);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle__icon span:nth-child(1) {
  top: 0;
}

.nav-toggle__icon span:nth-child(2) {
  top: 6px;
}

.nav-toggle__icon span:nth-child(3) {
  top: 12px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  flex: 1;
}

.logo {
  font-weight: 600;
  letter-spacing: 0.3px;
  font-size: 1.05rem;
  color: var(--text-100);
}

.logo.active {
  color: var(--gold-500);
}

.nav-links {
  display: flex;
  gap: 1.4rem;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--text-200);
  font-size: 0.95rem;
  padding-bottom: 0.3rem;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-base), border-color var(--transition-base);
}

.nav-links a::after {
  display: none;
}

.nav-links a:hover,
.nav-links a:focus {
  color: var(--accent-400);
}

.nav-links a.active {
  color: var(--gold-500);
  border-color: var(--gold-500);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: auto;
}

.nav-cta {
  margin-left: 0;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem;
  border-radius: 999px;
  border: 1px solid rgba(124, 199, 230, 0.4);
  background: rgba(10, 19, 36, 0.5);
}

.lang-toggle__btn {
  border: none;
  background: transparent;
  color: var(--text-200);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--transition-base), color var(--transition-base), box-shadow var(--transition-base);
}

.lang-toggle__btn.is-active {
  background: rgba(212, 175, 55, 0.25);
  color: var(--text-100);
  box-shadow: 0 8px 16px rgba(212, 175, 55, 0.18);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.7rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-100);
  background: transparent;
  transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base), color var(--transition-base);
  text-decoration: none;
}

.btn::after {
  display: none;
}

.btn--primary {
  background: linear-gradient(135deg, #f0cf6b 0%, var(--gold-500) 45%, var(--gold-600) 100%);
  color: #1a1a1a;
  box-shadow: 0 12px 28px rgba(212, 175, 55, 0.28);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(212, 175, 55, 0.35);
}

.btn--ghost {
  border: 1px solid rgba(212, 175, 55, 0.55);
  color: var(--gold-500);
  background: rgba(10, 19, 36, 0.4);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  background: rgba(212, 175, 55, 0.12);
  color: var(--text-100);
  transform: translateY(-1px);
}

.page-hero {
  padding: 4.5rem 0 3.5rem;
  background:
    radial-gradient(circle at 10% 20%, rgba(124, 199, 230, 0.22), transparent 52%),
    linear-gradient(140deg, rgba(16, 30, 64, 0.92), rgba(10, 19, 36, 0.95));
  border-bottom: 1px solid rgba(124, 199, 230, 0.18);
}

.page-hero__content {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.page-hero h1 {
  font-size: clamp(2.3rem, 4vw, 3.4rem);
  line-height: 1.15;
  margin-bottom: 0.6rem;
}

.page-hero p {
  color: var(--text-200);
  max-width: 640px;
  font-size: 1.05rem;
}

.page-hero__aside {
  background: var(--card-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.6rem;
  box-shadow: var(--shadow-soft);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.4rem;
}

.section {
  padding: 3.6rem 0;
  background: var(--surface-1);
}

.section--alt {
  background: var(--surface-2);
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2.2rem;
}

.section-label {
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-size: 0.75rem;
  color: var(--gold-500);
  margin-bottom: 0.6rem;
}

.section h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  margin-bottom: 0.6rem;
}

.section p {
  color: var(--text-200);
  max-width: 720px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.6rem;
}

.card {
  background: var(--card-surface);
  border: 1px solid rgba(124, 199, 230, 0.28);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 44px rgba(3, 8, 20, 0.45);
}

.card h3 {
  margin-bottom: 0.7rem;
  font-size: 1.2rem;
  color: var(--text-100);
}

.card p {
  color: var(--text-200);
  margin-bottom: 0.8rem;
}

.list {
  display: grid;
  gap: 0.8rem;
  margin-top: 1.2rem;
}

.list li {
  list-style: none;
  padding-left: 1.2rem;
  position: relative;
  color: var(--text-200);
}

.list li::before {
  content: "•";
  color: var(--gold-500);
  position: absolute;
  left: 0;
}

.highlight {
  background: var(--card-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  color: var(--text-200);
  box-shadow: var(--shadow-soft);
}

.disclaimer {
  margin-top: 1.8rem;
  text-align: center;
}

.form {
  display: grid;
  gap: 1.2rem;
  background: var(--card-surface);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--border-subtle);
}

.form label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.form input,
.form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  border: 1px solid rgba(124, 199, 230, 0.38);
  background: rgba(10, 19, 36, 0.6);
  color: var(--text-100);
}

.form textarea {
  min-height: 140px;
  resize: vertical;
}

.form button {
  justify-self: start;
}

.button-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer {
  border-top: 1px solid rgba(124, 199, 230, 0.25);
  padding: 2.5rem 0;
  margin-top: 0;
  background: rgba(10, 19, 36, 0.85);
  color: var(--text-200);
  font-size: 0.9rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (min-width: 900px) {
  .page-hero__content {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }
}

@media (max-width: 900px) {
  .section-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  .nav {
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-menu {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.4rem;
    padding: 0.6rem 0 0;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transform: translateY(-8px);
    transition: max-height 0.35s ease, opacity 0.25s ease, transform 0.25s ease;
    pointer-events: none;
  }

  .nav-menu.is-open {
    max-height: 500px;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .nav-links {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.8rem;
  }

  .nav-actions {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .nav-cta {
    width: 100%;
  }

  .nav-cta .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav-menu {
    transition: none;
  }
}

@media (max-width: 600px) {
  .page-hero {
    padding-top: 3.5rem;
  }

  .btn {
    width: 100%;
  }

  .hero-actions,
  .button-group {
    width: 100%;
  }
}