/* styles.css */
:root {
  --azul-oscuro: #1F3A5F;
  --gris: #6B7280;
  --blanco: #FFFFFF;
  --teal: #219EBC;
  --rojo-profundo: #B22222;
  --fondo: #F7FAFC;

  --titulo: 'Merriweather', serif;
  --texto: 'Lato', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

  --maxw: 1200px;
  --radius: 18px;
  --shadow: 0 10px 25px rgba(0,0,0,.08);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--texto);
  color: #0F172A;
  background: var(--blanco);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 95%; display: block; }
a { color: inherit; text-decoration: none; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 1.2rem; }

header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(31,58,95,.08);
}
.nav { 
  display: flex; 
  align-items: center; 
  justify-content: space-between; 
  height: 72px; 
  gap: 1rem;   
  overflow: visible; /* deja que el logo pueda sobresalir */
}
.brand { display: flex; align-items: center; gap: .75rem; }

.logo-img {
 width: auto;
 height: 150px;
 display: block;
 top: 10px;
}
.brand h1 { font-family: var(--titulo); font-size: 1.1rem; margin: 0; line-height: 1.1; color: var(--azul-oscuro); }
nav ul { display: flex; list-style: none; gap: 1rem; margin: 0; padding: 0; }
nav a { padding: .55rem .8rem; border-radius: 10px; font-weight: 600; color: var(--azul-oscuro); }
nav a:hover { background: rgba(33,158,188,.08); }

.hero {
  background: linear-gradient(180deg, rgba(31,58,95,.06), transparent 60%), radial-gradient(1000px 400px at 10% -10%, rgba(33,158,188,.12), transparent 60%), var(--blanco);
  padding: 80px 0 60px;
}
.hero-grid { display: grid; gap: 2rem; grid-template-columns: 1.1fr .9fr; align-items: center; }
.hero h2 { font-family: var(--titulo); font-size: clamp(1.8rem, 3vw + 1rem, 3rem); line-height: 1.15; margin: 0 0 1rem 0; color: var(--azul-oscuro); }
.hero p { color: var(--gris); font-size: 1.05rem; margin: 0 0 1.5rem 0; }

.cta {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .9rem 1.1rem; border-radius: 12px; font-weight: 700;
  background: linear-gradient(180deg, var(--teal), #197e9c);
  color: white; box-shadow: var(--shadow); border: none; cursor: pointer;
}
.cta:hover { filter: brightness(1.05); transform: translateY(-1px); }
.cta:active { transform: translateY(0); }

.hero-card { background: var(--blanco); border: 1px solid rgba(31,58,95,.08); border-radius: var(--radius); padding: 1.25rem; box-shadow: var(--shadow); }
.badges { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .75rem; }
.badge { font-size: .85rem; padding: .4rem .6rem; border-radius: 999px; background: rgba(33,158,188,.12); color: var(--azul-oscuro); font-weight: 600; }

section { padding: 64px 0; }
.section-title { font-family: var(--titulo); font-size: 1.65rem; color: var(--azul-oscuro); margin: 0 0 1rem; }
.section-sub { color: var(--gris); margin: 0 0 2rem; }

.features { display: grid; gap: 1rem; grid-template-columns: repeat(4, 1fr); }
.feature { background: var(--blanco); border: 1px solid rgba(31,58,95,.08); border-radius: var(--radius); padding: 1rem; box-shadow: var(--shadow); }
.feature h3 { margin: .2rem 0 .5rem; font-size: 1.05rem; color: var(--azul-oscuro); }
.feature p { margin: 0; color: var(--gris); font-size: .98rem; }

.services { background: var(--fondo); }
.services-grid { display: grid; gap: 1rem; grid-template-columns: repeat(3, 1fr); }
.card { background: var(--blanco); border: 1px solid rgba(31,58,95,.08); border-radius: var(--radius); padding: 1.1rem; box-shadow: var(--shadow); }
.card h3 { margin: .2rem 0 .5rem; font-size: 1.05rem; color: var(--azul-oscuro); }
.card p { margin: 0; color: var(--gris); font-size: .98rem; }

.about { display: grid; gap: 2rem; grid-template-columns: .9fr 1.1fr; align-items: center; }
.about .portrait { aspect-ratio: 4/3; border-radius: var(--radius); overflow: hidden; background: white; box-shadow: var(--shadow); }
.about p { color: var(--gris); }

.contact { background: linear-gradient(180deg, rgba(31,58,95,.06), transparent), var(--fondo); }
form { display: grid; gap: .9rem; grid-template-columns: 1fr 1fr; }
label { font-weight: 600; color: var(--azul-oscuro); font-size: .95rem; }
input, textarea {
  width: 100%; padding: .8rem .9rem; border-radius: 12px; border: 1px solid rgba(31,58,95,.18);
  font: inherit; background: #fff
  }
textarea { min-height: 140px; grid-column: 1 / -1; resize: vertical; }
.actions { display: flex; gap: .75rem; align-items: center; }

.btn-secondary {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .85rem 1.05rem; border-radius: 12px; font-weight: 700; background: transparent;
  color: var(--azul-oscuro); border: 2px solid var(--azul-oscuro); cursor: pointer;
}
.btn-secondary:hover { background: rgba(31,58,95,.06); }

/* Footer */
footer { border-top: 1px solid rgba(31,58,95,.08); padding: 28px 0; color: var(--gris); font-size: .95rem; }
.foot { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }

/* Utilidades */
.muted { color: var(--gris); }
.accent { color: var(--rojo-profundo); }
.split { display: grid; gap: 1rem; grid-template-columns: 1fr 1fr; }

/* Responsive */
@media (max-width: 980px) {
  .hero-grid, .about, .services-grid, .features, form, .split { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 48px; }
/*  nav ul { display: none; }*/
}

/* Burger oculto por defecto (en escritorio) */
.burger {
  display: none;
  font-size: 28px;
  background: none;
  border: none;
  color: var(--azul-oscuro);
  cursor: pointer;
  margin-left: auto;
}

/* Menú en escritorio: visible y horizontal */
nav {
  display: block;
}

nav ul {
  display: flex;
  gap: 1.5rem;
}

nav ul li a {
  text-decoration: none;
  color: var(--azul-oscuro);
  font-weight: 600;
  transition: color 0.3s;
}

nav ul li a:hover {
  color: var(--naranja);
}

/* Versión móvil */
@media (max-width: 768px) {
  .burger {
    display: block; /* visible solo en móvil */
  }

  nav {
    display: none; /* oculto por defecto */
    position: absolute;
    top: 70px;
    right: 0;
    background: var(--blanco);
    width: 100%;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  }

  nav.open {
    display: block;
  }

  nav ul {
    flex-direction: column;
    gap: 0;
  }

  nav ul li {
    border-bottom: 1px solid var(--gris);
  }

  nav ul li a {
    display: block;
    padding: 1rem;
  }

  .nav {
    justify-content: space-between;
  }
}