:root {
  color-scheme: dark;
  --bg: #04050a;
  --surface: #0c1220;
  --surface-alt: #111a2f;
  --border: rgba(255,255,255,0.09);
  --text: #f4f6fb;
  --muted: #a0acc9;
  --accent: #70f8c2;
  --accent-2: #7f7cff;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
  box-sizing: border-box;
}

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

a {
  color: inherit;
}

section, header, footer {
  padding: clamp(2.5rem, 6vw, 5rem) clamp(1.5rem, 6vw, 6rem);
}

.language-toggle {
  position: sticky;
  top: 0;
  padding: 0.5rem 1.5rem;
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  background: rgba(4,5,10,0.9);
  backdrop-filter: blur(8px);
  z-index: 50;
}

.language-toggle button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 999px;
  padding: 0.3rem 0.9rem;
  font-weight: 600;
  cursor: pointer;
}

.language-toggle button.active {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #04141e;
  border-color: transparent;
}

body[data-lang="es"] #content-es,
body[data-lang="en"] #content-en {
  display: block;
}

.lang {
  display: none;
}

.hero {
  background: radial-gradient(circle at 15% 20%, rgba(112,248,194,0.25), transparent 45%),
              radial-gradient(circle at 80% 0%, rgba(127,124,255,0.25), transparent 40%),
              linear-gradient(135deg, #050814, #0c1324);
  min-height: 90vh;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.branding {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.branding img {
  width: 42px;
  height: 42px;
}

.nav__links {
  display: flex;
  gap: 1.25rem;
  font-size: 0.95rem;
  flex-wrap: wrap;
}

.nav__links a {
  text-decoration: none;
  color: var(--muted);
}

.btn {
  padding: 0.8rem 1.6rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 500;
  border: none;
  cursor: pointer;
}

.btn.ghost {
  border: 1px solid var(--border);
  color: var(--text);
  background: transparent;
}

.btn.full {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #04141e;
  font-weight: 600;
}

.hero__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
}

.kicker {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.78rem;
  color: var(--accent);
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  line-height: 1.15;
  margin: 0.5rem 0 1rem;
}

.lead {
  color: var(--muted);
  max-width: 640px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.stats article {
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.25rem;
  background: rgba(255,255,255,0.02);
}

.stats span {
  display: block;
  font-size: 2rem;
  font-weight: 600;
}

.panel {
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  padding: 2rem;
  background: rgba(5,8,20,0.7);
}

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

.panel li {
  border-top: 1px solid var(--border);
  padding: 1rem 0;
}

.panel li:first-child {
  border-top: 0;
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  background: var(--surface);
}

.split article {
  padding: 2.5rem;
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  background: var(--surface-alt);
}

.list.two {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
}

.list ul {
  padding-left: 1.2rem;
  color: var(--muted);
}

.bullets {
  padding-left: 1.2rem;
  color: var(--muted);
}

.badge {
  margin-top: 1.5rem;
  padding: 0.85rem 1.2rem;
  border-radius: 999px;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 0.9rem;
  text-align: center;
}

.tech {
  background: #080d18;
}

.tech__header {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.tech__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.tech__grid article {
  padding: 1.5rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}

.sectors__grid,
.org__grid,
.timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.sectors__grid article,
.timeline article {
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  padding: 1.5rem;
  background: rgba(255,255,255,0.02);
}

.timeline span {
  display: inline-flex;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  border: 1px solid var(--accent-2);
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.org {
  background: var(--surface);
}

.org__grid article {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  background: rgba(8,12,24,0.6);
}

.org__grid img {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  object-fit: cover;
}

.compliance {
  background: #080d18;
}

.legal {
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.25rem;
  background: rgba(255,255,255,0.02);
}

.contact {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  background: linear-gradient(125deg, rgba(112,248,194,0.08), rgba(127,124,255,0.15));
}

.form {
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  padding: 2rem;
  background: rgba(0,0,0,0.35);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.95rem;
}

.form input,
.form textarea {
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 0.75rem;
  background: rgba(0,0,0,0.3);
  color: var(--text);
  padding: 0.85rem 1rem;
  font-size: 1rem;
  font-family: inherit;
}

.form__note {
  color: var(--muted);
  font-size: 0.85rem;
}

footer {
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--muted);
}

@media (max-width: 900px) {
  .nav__links {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 720px) {
  .nav__links {
    display: none;
  }
  .hero {
    min-height: auto;
  }
  .language-toggle {
    justify-content: center;
  }
}