/* Reset & base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --violeta: #a855f7;
  --cyan: #22d3ee;
  --indigo: #818cf8;
  --fondo: #0a0a12;
  --fondo-alt: #11111d;
  --superficie: #16162a;
  --borde: #262640;
  --texto: #f4f4f8;
  --texto-suave: #a0a0b8;
  --radio: 12px;
  --sombra: 0 8px 32px rgba(0,0,0,.4);
  --glow: 0 0 32px rgba(168,85,247,.25);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  color: var(--texto);
  background: var(--fondo);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.grad {
  background: linear-gradient(120deg, var(--cyan), var(--violeta));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Nav */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,18,.72);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--borde);
}

nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand { display: flex; align-items: center; }
.logo { height: 34px; width: auto; }

nav ul {
  list-style: none;
  display: flex;
  gap: 32px;
}

nav a {
  text-decoration: none;
  color: var(--texto-suave);
  font-size: .95rem;
  font-weight: 500;
  transition: color .2s;
}
nav a:hover { color: var(--texto); }

/* Animaciones */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Hero */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 80px 24px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 50% at 20% 20%, rgba(168,85,247,.22), transparent 70%),
    radial-gradient(50% 50% at 85% 30%, rgba(34,211,238,.18), transparent 70%),
    radial-gradient(60% 60% at 60% 100%, rgba(129,140,248,.15), transparent 70%);
}

.hero-content {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 20px;
  padding: 6px 16px;
  border: 1px solid var(--borde);
  border-radius: 50px;
  background: rgba(34,211,238,.06);
  animation: fadeUp .7s ease both;
}

.hero h1 {
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  font-weight: 700;
  line-height: 1.12;
  margin-bottom: 22px;
  letter-spacing: -.5px;
  animation: fadeUp .7s ease .15s both;
}

.hero p {
  font-size: 1.15rem;
  color: var(--texto-suave);
  max-width: 560px;
  margin: 0 auto 36px;
  animation: fadeUp .7s ease .28s both;
}

.btn-primary {
  display: inline-block;
  background: linear-gradient(120deg, var(--violeta), var(--cyan));
  color: #0a0a12;
  font-weight: 700;
  font-size: 1rem;
  padding: 15px 38px;
  border-radius: var(--radio);
  text-decoration: none;
  transition: transform .2s, box-shadow .2s;
  box-shadow: var(--glow);
  animation: fadeUp .7s ease .4s both;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 44px rgba(168,85,247,.45); }

/* Secciones genéricas */
section { padding: 88px 24px; }

section h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 52px;
}

/* Servicios */
.servicios { background: var(--fondo-alt); }

.grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
}

.card {
  position: relative;
  background: var(--superficie);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 32px 28px;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--violeta);
  box-shadow: var(--sombra), var(--glow);
}

.card-icon {
  width: 46px;
  height: 46px;
  color: var(--cyan);
  margin-bottom: 18px;
}
.card-icon svg { width: 100%; height: 100%; }

.card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.card p { color: var(--texto-suave); font-size: .95rem; }

.card-ai { border-style: dashed; border-color: var(--violeta); }

.badge {
  font-size: .66rem;
  font-weight: 700;
  background: linear-gradient(120deg, var(--violeta), var(--cyan));
  color: #0a0a12;
  padding: 3px 9px;
  border-radius: 20px;
  letter-spacing: .5px;
  text-transform: uppercase;
}

/* Nosotros */
.nosotros { background: var(--fondo); }

.nosotros-content {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.nosotros-content h2 { margin-bottom: 24px; }

.nosotros-content p {
  color: var(--texto-suave);
  font-size: 1.05rem;
  margin-bottom: 16px;
}

/* Contacto */
.contacto { background: var(--fondo-alt); text-align: center; }

.contacto-sub {
  color: var(--texto-suave);
  margin-top: -32px;
  margin-bottom: 48px;
  font-size: 1.05rem;
}

.contacto-opciones {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-email {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radio);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s;
  background: var(--superficie);
  color: var(--texto);
  border: 1px solid var(--borde);
}
.btn-email:hover { transform: translateY(-2px); border-color: var(--cyan); box-shadow: 0 6px 24px rgba(34,211,238,.2); }
.btn-email svg { width: 20px; height: 20px; color: var(--cyan); }

/* Footer */
footer {
  background: var(--fondo);
  color: var(--texto-suave);
  text-align: center;
  padding: 32px 24px;
  font-size: .875rem;
  border-top: 1px solid var(--borde);
}

/* Responsive */
@media (max-width: 600px) {
  nav ul { gap: 18px; }
  nav ul li:first-child { display: none; }
  .hero { min-height: 80vh; }
  section { padding: 64px 20px; }
}