:root {
  --azul-oscuro: #13202d;
  --azul-neon: #00a8ff;
  --fondo-oscuro: #0d141c;
  --texto: #e5e9f0;
  --texto-suave: #a0aec0;
  --card: #141c26;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(to bottom, #18222f, #0d141c);
  color: var(--texto);
}

/* HEADER */
header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(10, 15, 22, 0.85);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 36px;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-area img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-text span:first-child {
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--azul-neon);
}

.logo-text span:last-child {
  font-size: 14px;
  color: var(--texto-suave);
}

nav a {
  color: var(--texto-suave);
  margin-left: 20px;
  text-decoration: none;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  padding-bottom: 4px;
  position: relative;
}

nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--azul-neon);
  transition: width 0.25s ease;
}

nav a:hover {
  color: #ffffff;
}

nav a:hover::after {
  width: 100%;
}

/* TEXTOS JUSTIFICADOS */
p, .card, .hero-subtitle {
  text-align: justify;
}

/* LAYOUT */
main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4px 20px 80px;
}

/* HERO */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.3fr);
  gap: 40px;
  align-items: center;
  padding: 6px 20px 20px;
}

.hero-title {
  font-size: 38px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.hero-title span {
  color: var(--azul-neon);
}

.hero-subtitle {
  margin-top: 8px;
  font-size: 16px;
  color: var(--texto-suave);
}

.hero-tags {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(156, 163, 175, 0.4);
  color: var(--texto-suave);
}

.hero-cta {
  margin-top: 20px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  border-radius: 999px;
  padding: 11px 22px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: 0.18s ease;
  cursor: pointer;
}

.btn-primary {
  background: var(--azul-neon);
  color: #020617;
  box-shadow: 0 12px 30px rgba(0, 168, 255, 0.30);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 34px rgba(0, 168, 255, 0.45);
}

.btn-ghost {
  border: 1px solid rgba(148, 163, 184, 0.5);
  color: var(--texto-suave);
}

.btn-ghost:hover {
  background: rgba(20, 30, 45, 0.8);
  color: white;
}

/* PANEL INDICADORES */
.hero-panel {
  background: radial-gradient(circle at top, #24344a 0%, #0d141c 75%);
  border-radius: 18px;
  padding: 20px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.hero-panel h3 {
  margin: 0;
  font-size: 15px;
  color: var(--texto-suave);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 500;
}

.metrics {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.metric {
  background: rgba(13, 20, 30, 0.8);
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.4);
}

.metric span:first-child {
  font-size: 22px;
  color: var(--azul-neon);
  font-weight: 600;
}

.metric span:last-child {
  display: block;
  font-size: 12px;
  color: var(--texto-suave);
  margin-top: 4px;
}

/* SECCIONES */
section {
  margin-top: 50px;
}

section h2 {
  font-size: 22px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 14px;
  color: var(--texto-suave);
}

section h2 span {
  color: var(--azul-neon);
}

section p {
  max-width: 720px;
  font-size: 14px;
  color: var(--texto-suave);
}

/* CARDS */
.grid-cards {
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.card {
  background: var(--card);
  border-radius: 16px;
  padding: 18px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.55);
  font-size: 14px;
  color: var(--texto-suave);
}

.card h3 {
  margin-bottom: 8px;
  color: #ffffff;
}

.card small {
  color: var(--azul-neon);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

/* CONTACTO */
.contact-box {
  margin-top: 26px;
  display: inline-block;
  background: rgba(15, 23, 42, 0.9);
  border-radius: 14px;
  padding: 16px 20px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  font-size: 14px;
}

.contact-box a {
  color: var(--azul-neon);
  text-decoration: underline;
}

/* FOOTER */
footer {
  margin-top: 60px;
  text-align: center;
  padding: 20px;
  font-size: 12px;
  color: var(--texto-suave);
  background: #0b1118;
  border-top: 1px solid rgba(148, 163, 184, 0.25);
}

@media (max-width: 800px) {
  nav {
    display: none;
  }
  .hero {
    grid-template-columns: 1fr;
  }
}