:root {
  --bg: #070b18;
  --bg-elevated: #0d1428;
  --surface: rgba(255, 255, 255, 0.06);
  --surface-strong: rgba(255, 255, 255, 0.12);
  --text: #eaf0ff;
  --muted: #aab6d6;
  --primary: #00e5ff;
  --secondary: #9b5cff;
  --accent: #7cf6c3;
  --border: rgba(255, 255, 255, 0.16);
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  --radius: 16px;
  --radius-sm: 12px;
  --container: 1200px;
  --transition: 220ms ease;
}

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

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(0, 229, 255, 0.1), transparent 60%),
    radial-gradient(1000px 500px at 90% 0%, rgba(155, 92, 255, 0.12), transparent 60%),
    linear-gradient(180deg, #060a16 0%, #070b18 100%);
  min-height: 100vh;
}

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

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

p {
  margin: 0 0 1rem;
  color: var(--muted);
}

h1,
h2,
h3 {
  margin: 0 0 0.8rem;
  line-height: 1.2;
  color: var(--text);
}

h1 {
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.4rem, 3vw, 2.15rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(12px);
  background: rgba(7, 11, 24, 0.78);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0.8rem 1rem;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 0.75rem;
  align-items: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.brand-mark {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  filter: drop-shadow(0 0 8px rgba(0, 229, 255, 0.25));
}

.primary-nav {
  display: none;
}

.primary-nav a,
.mobile-nav a {
  position: relative;
  color: var(--muted);
  font-weight: 500;
  transition: color var(--transition);
}

.primary-nav a::after,
.mobile-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.2rem;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.primary-nav a:hover,
.primary-nav a:focus-visible,
.mobile-nav a:hover,
.mobile-nav a:focus-visible {
  color: var(--text);
}

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

.menu-toggle {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 999px;
  padding: 0.5rem 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.menu-toggle:hover,
.menu-toggle:focus-visible {
  background: var(--surface-strong);
  border-color: rgba(255, 255, 255, 0.3);
}

.menu-icon {
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 99px;
  position: relative;
}

.menu-icon::before,
.menu-icon::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 2px;
  left: 0;
  background: currentColor;
  border-radius: 99px;
}

.menu-icon::before {
  top: -6px;
}

.menu-icon::after {
  top: 6px;
}

.menu-label {
  font-size: 0.9rem;
  font-weight: 600;
}

.header-cta {
  display: none;
}

.mobile-menu {
  border-top: 1px solid var(--border);
  background: rgba(8, 14, 30, 0.92);
}

.mobile-nav {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0.8rem 1rem 1rem;
  display: grid;
  gap: 0.65rem;
}

.mobile-nav a {
  padding: 0.45rem 0;
  width: fit-content;
}

main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 1rem;
}

.section {
  margin: 1.5rem 0 2rem;
}

.hero.section {
  margin-top: 1rem;
}

.glass-card,
.glass-overlay-card {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.03));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.hero-card {
  padding: clamp(1.1rem, 4vw, 2rem);
}

.eyebrow {
  display: inline-block;
  margin-bottom: 0.7rem;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
}

.hero-actions {
  margin-top: 1.15rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.62rem 1rem;
  font-weight: 650;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  color: #0a0e1d;
  box-shadow: 0 10px 24px rgba(0, 229, 255, 0.22), 0 8px 22px rgba(155, 92, 255, 0.2);
}

.button-secondary {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}

.section-heading {
  margin-bottom: 1rem;
}

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.guide-card {
  overflow: hidden;
  position: relative;
  min-height: 290px;
}

.card-image {
  width: 100%;
  height: 100%;
  min-height: 290px;
  object-fit: cover;
}

.card-overlay {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1rem;
  background: linear-gradient(to top, rgba(5, 9, 20, 0.92) 0%, rgba(5, 9, 20, 0.7) 55%, rgba(5, 9, 20, 0) 100%);
  z-index: 1;
}

.card-tag {
  display: inline-block;
  margin-bottom: 0.45rem;
  padding: 0.22rem 0.55rem;
  font-size: 0.76rem;
  border-radius: 999px;
  border: 1px solid rgba(124, 246, 195, 0.45);
  color: var(--accent);
  background: rgba(124, 246, 195, 0.08);
}

.card-overlay p {
  margin-bottom: 0.8rem;
}

.card-link {
  font-weight: 700;
  color: var(--primary);
}

.card-link:hover,
.card-link:focus-visible {
  color: #7af1ff;
}

.supporting .glass-card {
  padding: clamp(1rem, 4vw, 1.6rem);
}

.site-footer {
  border-top: 1px solid var(--border);
  background: rgba(5, 9, 20, 0.95);
  margin-top: 2rem;
}

.footer-grid {
  max-width: var(--container);
  margin: 0 auto;
  padding: 1.2rem 1rem 1.4rem;
  display: grid;
  gap: 1.2rem;
}

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

.footer-grid li + li {
  margin-top: 0.48rem;
}

.footer-grid a {
  color: var(--muted);
}

.footer-grid a:hover,
.footer-grid a:focus-visible {
  color: var(--text);
}

.cookie-banner {
  position: fixed;
  left: 0.8rem;
  right: 0.8rem;
  bottom: 0.8rem;
  z-index: 1100;
  padding: 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(7, 13, 28, 0.95);
  box-shadow: var(--shadow);
}

.cookie-banner p {
  margin-bottom: 0.7rem;
  font-size: 0.95rem;
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.cookie-actions button {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 0.5rem 0.72rem;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.cookie-actions button:hover,
.cookie-actions button:focus-visible {
  background: var(--surface-strong);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

@media (min-width: 700px) {
  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

@media (min-width: 980px) {
  .header-inner {
    grid-template-columns: auto 1fr auto;
    gap: 1rem;
  }

  .primary-nav {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    justify-self: center;
    flex-wrap: wrap;
  }

  .menu-toggle,
  .mobile-menu {
    display: none;
  }

  .header-cta {
    display: inline-flex;
    align-items: center;
    border: 1px solid rgba(0, 229, 255, 0.45);
    color: var(--text);
    padding: 0.5rem 0.85rem;
    border-radius: 999px;
    font-weight: 650;
    background: rgba(0, 229, 255, 0.08);
    transition: background var(--transition), transform var(--transition), border-color var(--transition);
  }

  .header-cta:hover,
  .header-cta:focus-visible {
    background: rgba(0, 229, 255, 0.16);
    border-color: rgba(0, 229, 255, 0.7);
    transform: translateY(-1px);
  }

  .hero.section {
    margin-top: 1.5rem;
  }

  .card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .guide-card:nth-child(4),
  .guide-card:nth-child(5) {
    grid-column: span 1;
  }

  .cookie-banner {
    left: 1.2rem;
    right: auto;
    width: min(560px, calc(100% - 2.4rem));
    bottom: 1.2rem;
  }
}

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