/* Variables y reset */
:root {
  --bg: #0b0d12;
  --panel: #11141a;
  --muted: #a8b3cf;
  --text: #e6e9f2;
  --brand: #4f7cff;
  --brand-600: #3f63cc;
  --accent: #14cba8;
  --danger: #ff6b6b;
  --border: #1f2430;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 20% -10%, rgba(79,124,255,0.15), transparent),
              radial-gradient(1200px 600px at 100% 10%, rgba(20,203,168,0.12), transparent),
              var(--bg);
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { color: var(--text); text-decoration: none; }

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

/* Header y navegación */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 13, 18, 0.7);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.nav-menu { display: flex; gap: 24px; align-items: center; }
.nav-menu a { color: var(--muted); }
.nav-menu a:hover { color: var(--text); }

.nav-toggle {
  display: none;
  background: transparent; border: 0; color: var(--text);
}
.nav-toggle-bar { display: block; width: 24px; height: 2px; background: var(--text); margin: 5px 0; }

/* Hero */
.hero { padding: 72px 0 48px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center; }
.hero h1 { font-size: 40px; line-height: 1.15; margin: 0 0 12px; letter-spacing: -0.02em; }
.hero p { color: var(--muted); margin: 0 0 24px; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-media { display: grid; place-items: center; position: relative; }
.hero-illustration {
  width: 100%; height: 320px; border-radius: 16px; border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(79,124,255,0.14), rgba(20,203,168,0.12));
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.hero-illustration::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background:
    radial-gradient(600px 300px at 20% 10%, rgba(79,124,255,0.18), transparent 60%),
    radial-gradient(600px 300px at 85% 85%, rgba(20,203,168,0.18), transparent 60%);
}

.hero-illustration::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background:
    repeating-linear-gradient(0deg, rgba(168,179,207,0.08) 0, rgba(168,179,207,0.08) 1px, transparent 1px, transparent 22px),
    repeating-linear-gradient(90deg, rgba(168,179,207,0.08) 0, rgba(168,179,207,0.08) 1px, transparent 1px, transparent 22px);
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.7), rgba(0,0,0,1));
}

/* Órbitas de imágenes tecnológicas en el hero */
.hero-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(78%, 420px);
  aspect-ratio: 1 / 1;
  margin-top: 0;
  pointer-events: none;
  z-index: 1;
}

.hero-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120px;
  height: 120px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: radial-gradient(60px 60px at 50% 50%, rgba(79,124,255,0.18), transparent 70%);
  filter: drop-shadow(0 8px 24px rgba(0,0,0,0.35));
}

.hero-center img {
  width: 84px;
  height: auto;
  opacity: 0.95;
  object-fit: contain;
}

.orbit {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px dashed rgba(168, 179, 207, 0.16);
  animation: orbit-rotate 28s linear infinite;
}

.orbit--outer { animation-duration: 40s; }

.orbit-item {
  position: absolute;
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.orbit-item svg {
  width: 26px;
  height: 26px;
  stroke: var(--text);
  fill: none;
  stroke-width: 1.6;
}

/* Posiciones a lo largo de la órbita */
.orbit--inner .pos-1 { top: 0%; left: 50%; transform: translate(-50%, -50%); }
.orbit--inner .pos-2 { top: 50%; left: 100%; transform: translate(-50%, -50%); }
.orbit--inner .pos-3 { top: 100%; left: 50%; transform: translate(-50%, -50%); }
.orbit--inner .pos-4 { top: 50%; left: 0%; transform: translate(-50%, -50%); }

.orbit--outer { inset: 8%; }
.orbit--outer .pos-1 { top: 0%; left: 50%; transform: translate(-50%, -50%); }
.orbit--outer .pos-2 { top: 50%; left: 100%; transform: translate(-50%, -50%); }
.orbit--outer .pos-3 { top: 100%; left: 50%; transform: translate(-50%, -50%); }
.orbit--outer .pos-4 { top: 50%; left: 0%; transform: translate(-50%, -50%); }

@keyframes orbit-rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Responsive de las órbitas */
@media (max-width: 920px) {
  .hero-orbit { max-width: 360px; }
  .orbit-item { width: 50px; height: 50px; }
  .orbit-item svg { width: 24px; height: 24px; }
}

@media (max-width: 720px) {
  .hero-orbit { max-width: 320px; }
  .orbit-item { width: 46px; height: 46px; }
  .orbit-item svg { width: 22px; height: 22px; }
}

/* Accesibilidad: reducir movimiento si el usuario lo prefiere */
@media (prefers-reduced-motion: reduce) {
  .orbit { animation: none; }
}

/* Secciones */
.section { padding: 56px 0; }
.section.alt { background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0)); }
.section h2 { font-size: 28px; margin: 0 0 8px; }
.section-lead { color: var(--muted); margin: 0 0 28px; }

/* Componentes */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 40px; padding: 0 16px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--panel); color: var(--text); font-weight: 600; transition: 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--brand); border-color: transparent; }
.btn-primary:hover { background: var(--brand-600); }
.btn-ghost { background: transparent; }

.cards-grid {
  display: grid; gap: 16px; grid-template-columns: repeat(3, 1fr);
}
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 18px;
}
.card h3 { margin: 0 0 4px; font-size: 18px; }
.card p { margin: 0 0 12px; color: var(--muted); }
.card ul { margin: 0; padding-left: 18px; color: var(--muted); }

.solutions-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.solution { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 18px; }
.solution h3 { margin: 0 0 6px; font-size: 18px; }
.solution p { margin: 0; color: var(--muted); }

.tech-list { display: flex; flex-wrap: wrap; gap: 10px 12px; padding: 0; list-style: none; }
.tech-list li { padding: 8px 12px; border: 1px dashed var(--border); border-radius: 999px; color: var(--muted); }

.pill-list { display: flex; flex-wrap: wrap; gap: 10px 12px; padding: 0; list-style: none; }
.pill-list li { padding: 8px 12px; border: 1px solid var(--border); border-radius: 999px; color: var(--muted); background: var(--panel); }

.narrow { width: min(760px, 92%); }

/* Contacto */
.contact-form { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 18px; }
.form-grid { display: grid; gap: 12px; grid-template-columns: repeat(2, 1fr); }
.form-grid .full { grid-column: 1 / -1; }
.contact-form label { display: grid; gap: 6px; font-size: 14px; color: var(--muted); }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; height: 40px; padding: 0 12px; border-radius: 10px;
  border: 1px solid var(--border); background: #0e1117; color: var(--text);
}
.contact-form textarea { height: auto; padding: 10px 12px; resize: vertical; }
.form-actions { display: flex; align-items: center; gap: 12px; margin-top: 10px; flex-wrap: wrap; }
.form-note { color: var(--muted); margin: 0; font-size: 12px; }
.form-status { margin: 0; font-size: 14px; }
.form-status.success { color: var(--accent); }
.form-status.error { color: var(--danger); }

/* Footer */
.site-footer { border-top: 1px solid var(--border); background: rgba(11, 13, 18, 0.5); }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 16px; padding: 32px 0; }
.footer-list { list-style: none; padding: 0; margin: 0; }
.footer-list li { margin: 8px 0; }
.footer-list a { color: var(--muted); }
.footer-list a:hover { color: var(--text); }
.copyright { padding: 16px 0 28px; color: var(--muted); }

/* Responsive */
@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; }
  .solutions-grid { grid-template-columns: repeat(2, 1fr); }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: inline-block; }
  .nav-menu {
    position: absolute; right: 4%; left: 4%; top: 64px; display: none; flex-direction: column; gap: 10px;
    background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 12px;
  }
  .nav-menu.open { display: flex; }
  .cards-grid { grid-template-columns: 1fr; }
  .solutions-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}