:root {
  --bg: #020b1c;
  --bg-2: #06183d;
  --fg: #e6f1ff;
  --accent: #00f0ff;
  --accent-2: #a855f7;
  --muted: #7a8ba3;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background:
    radial-gradient(ellipse at 20% 20%, rgba(0, 240, 255, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(168, 85, 247, 0.08) 0%, transparent 50%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  color: var(--fg);
  font-family: "SF Mono", "Fira Code", "JetBrains Mono", monospace;
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
  padding-bottom: 3rem;
}

#grid {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.35;
  pointer-events: none;
}

.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
}

.hero-compact {
  min-height: auto;
  padding: 4rem 2rem 1rem;
}

.hero-compact .glitch {
  font-size: clamp(5rem, 18vw, 12rem);
  line-height: 0.85;
}

.hero-compact .subtitle {
  margin-top: 1.5rem;
  font-size: 1rem;
  letter-spacing: 0.08em;
}

.section-inline {
  padding: 2.5rem 2rem 1rem;
}

.three-col {
  grid-template-columns: repeat(3, 1fr);
}

.three-col .card {
  padding: 2rem 1.5rem;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.three-col .card h3 {
  font-size: 1rem;
  margin-bottom: 1.2rem;
}

.three-col .card p {
  font-size: 0.95rem;
}

.footer-inline {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1;
  text-align: center;
  padding: 1.2rem 2rem 0.8rem;
  color: var(--fg);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
}

.footer-inline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 5%;
  right: 5%;
  height: 2px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--accent) 15%,
    #fff 50%,
    var(--accent) 85%,
    transparent 100%
  );
  box-shadow:
    0 0 10px var(--accent),
    0 0 30px rgba(0, 240, 255, 0.6),
    0 0 60px rgba(0, 240, 255, 0.3);
}

.footer-inline::after {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40%;
  height: 0;
  border-left: 40px solid transparent;
  border-right: 40px solid transparent;
  border-top: 24px solid rgba(0, 240, 255, 0.15);
  filter: drop-shadow(0 0 10px rgba(0, 240, 255, 0.3));
  z-index: -1;
}

.footer-links {
  position: relative;
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--fg);
  text-decoration: none;
  transition: color 0.2s;
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-links .divider {
  margin: 0 0.8rem;
  color: var(--accent);
  text-shadow: 0 0 10px var(--accent);
}

.badge {
  display: inline-block;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 0.35rem 0.9rem;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  margin-bottom: 2rem;
  background: rgba(0, 240, 255, 0.05);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.glitch {
  font-size: clamp(4rem, 15vw, 10rem);
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #fff;
  position: relative;
  text-shadow:
    0 0 10px rgba(0, 240, 255, 0.9),
    0 0 40px rgba(0, 240, 255, 0.7),
    0 0 80px rgba(0, 240, 255, 0.5),
    0 0 120px rgba(0, 240, 255, 0.3);
  -webkit-text-stroke: 1px rgba(0, 240, 255, 0.3);
}

.glitch::after {
  content: attr(data-text);
  position: absolute;
  left: 0;
  top: 100%;
  width: 100%;
  height: 100%;
  color: #fff;
  transform: scaleY(-1);
  opacity: 0.25;
  filter: blur(2px);
  text-shadow:
    0 0 20px rgba(0, 240, 255, 0.6),
    0 0 60px rgba(168, 85, 247, 0.4);
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.6), transparent);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.6), transparent);
  pointer-events: none;
}

.subtitle {
  color: var(--fg);
  margin-top: 1.5rem;
  font-size: 1rem;
  letter-spacing: 0.12em;
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.tagline {
  color: var(--accent-2);
  margin-top: 0.8rem;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
}

.cta-group {
  margin-top: 2.5rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  padding: 0.85rem 2rem;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-decoration: none;
  border: 1px solid;
  transition: all 0.25s ease;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
}

.btn-primary:hover {
  background: #7fffff;
  box-shadow: 0 0 35px rgba(0, 240, 255, 0.6);
}

.btn-ghost {
  border-color: var(--muted);
  color: var(--muted);
}

.btn-ghost:hover {
  border-color: var(--accent-2);
  color: var(--accent-2);
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.3);
}

.section {
  position: relative;
  z-index: 1;
  max-width: 1000px;
  margin: 0 auto;
  padding: 6rem 2rem;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 1.6rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 0.8rem;
}

.section-header p {
  color: var(--muted);
  font-size: 1rem;
  letter-spacing: 0.08em;
}

.section-badge {
  display: inline-block;
  border: 1px solid var(--accent-2);
  color: var(--accent-2);
  padding: 0.2rem 0.7rem;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  margin-bottom: 1rem;
  background: rgba(168, 85, 247, 0.08);
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

@media (max-width: 900px) {
  .three-col {
    grid-template-columns: 1fr;
  }

  .hero-compact {
    padding-top: 3rem;
  }
}

.section-grid.two-col {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  max-width: 600px;
  margin: 0 auto;
}

.section-compact {
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.card {
  background: rgba(0, 240, 255, 0.05);
  border: 1px solid rgba(0, 240, 255, 0.3);
  padding: 2rem;
  border-radius: 4px;
  backdrop-filter: blur(6px);
  box-shadow:
    0 0 15px rgba(0, 240, 255, 0.1),
    inset 0 0 20px rgba(0, 240, 255, 0.03);
}

.three-col .card {
  background: rgba(0, 240, 255, 0.04);
  border: 1px solid rgba(0, 240, 255, 0.35);
  box-shadow:
    0 0 20px rgba(0, 240, 255, 0.15),
    inset 0 0 30px rgba(0, 240, 255, 0.04);
}

.card h2,
.card h3 {
  color: var(--accent);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
}

.card p {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.card p:last-child {
  margin-bottom: 0;
}

.card-featured {
  border-color: rgba(0, 240, 255, 0.25);
  background: rgba(0, 240, 255, 0.04);
}

.card-featured h3 {
  color: var(--accent);
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.card strong {
  color: var(--fg);
}

.card ul {
  list-style: none;
}

.card li + li {
  margin-top: 0.8rem;
}

.lang-switch {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 10;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
}

.lang-switch a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.lang-switch a:hover,
.lang-switch a.active {
  color: var(--accent);
}

.lang-switch span {
  color: var(--muted);
  margin: 0 0.3rem;
}

.card a {
  color: var(--fg);
  text-decoration: none;
  transition: color 0.2s;
}

.card a:hover {
  color: var(--accent);
}

.card-link {
  display: block;
  text-decoration: none;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.card-link:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow:
    0 0 40px rgba(0, 240, 255, 0.3),
    inset 0 0 30px rgba(0, 240, 255, 0.08);
}

.card-link .section-badge {
  margin-bottom: 1.5rem;
}

.page-header {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 6rem 2rem 2rem;
}

.page-header h1 {
  font-size: clamp(2rem, 8vw, 4rem);
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-top: 1.5rem;
}

.page-header p {
  color: var(--muted);
  margin-top: 0.8rem;
  letter-spacing: 0.08em;
}

.back-link {
  display: inline-block;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  transition: color 0.2s;
}

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

footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 3rem 2rem 4rem;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
}

.pulse {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  margin-right: 0.6rem;
  box-shadow: 0 0 10px var(--accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}