:root {
  --primary: #1f3f63;
  --primary-dark: #16314d;
  --secondary: #4b667b;
  --accent: #d9ddd3;
  --surface: rgba(255, 255, 255, 0.88);
  --bg: #f6f5f2;
  --text: #1a2430;
  --muted: #5d6771;
  --border: rgba(31, 63, 99, 0.12);
  --shadow: 0 20px 50px rgba(21, 35, 49, 0.12);
  --radius: 24px;
  --radius-sm: 18px;
  --transition: all 0.35s ease;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }

.container {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
  background: #fff;
  padding: 10px 14px;
  border-radius: 10px;
  z-index: 200;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(246, 245, 242, 0.86);
  border-bottom: 1px solid var(--border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 78px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand img {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 8px 20px rgba(31, 63, 99, 0.14);
}
.brand strong {
  display: block;
  font-size: 1.05rem;
  color: var(--primary);
}
.brand span {
  display: block;
  font-size: 0.9rem;
  color: var(--muted);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}
.main-nav a {
  font-size: 0.95rem;
  color: var(--secondary);
  transition: var(--transition);
}
.main-nav a:hover { color: var(--primary); }

.menu-toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 6px;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary);
  margin: 5px 0;
  border-radius: 999px;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 92vh;
  display: grid;
  align-items: center;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, rgba(14, 28, 42, 0.78), rgba(31, 63, 99, 0.52)),
    url('assets/portada.jpg') center/cover no-repeat;
  transform: scale(1.03);
}
.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: center;
  padding: 70px 0;
}
.hero-copy {
  color: #fff;
}
.eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.14);
  color: inherit;
  font-size: 0.84rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.hero h1,
.section-heading h2,
.split-copy h2,
.contact-copy h2 {
  margin: 0 0 16px;
  line-height: 1.08;
}
.hero h1 { font-size: clamp(2.4rem, 5vw, 4.7rem); }
.hero p { font-size: 1.08rem; max-width: 700px; color: rgba(255,255,255,0.92); }
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0 24px;
}
.hero-highlights {
  padding: 0;
  margin: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.hero-highlights li {
  padding: 10px 14px;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 999px;
  background: rgba(255,255,255,0.1);
}

.glass-card {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255,255,255,0.18);
  backdrop-filter: blur(12px);
  color: #fff;
  box-shadow: var(--shadow);
}
.hero-card {
  padding: 28px;
  border-radius: var(--radius);
}
.hero-logo {
  width: 94px;
  height: 94px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 18px;
}
.hero-card h2 { margin: 0 0 12px; font-size: 1.5rem; }
.hero-card p { margin: 0 0 18px; color: rgba(255,255,255,0.9); }
.mini-contact {
  display: grid;
  gap: 10px;
}
.mini-contact a, .mini-contact span {
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255,255,255,0.1);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: bold;
  transition: var(--transition);
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 10px 26px rgba(31,63,99,0.24);
}
.btn-primary:hover { transform: translateY(-2px); background: var(--primary-dark); }
.btn-secondary {
  background: #fff;
  color: var(--primary);
  border-color: rgba(31,63,99,0.12);
}
.btn-secondary:hover { transform: translateY(-2px); }

.section { padding: 90px 0; }
.alt-section { background: linear-gradient(180deg, rgba(217,221,211,0.18), rgba(255,255,255,0)); }
.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}
.section-heading h2,
.split-copy h2,
.contact-copy h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
.section-heading p,
.split-copy p,
.contact-copy p { color: var(--muted); }

.stats-grid,
.services-grid,
.social-grid,
.contact-grid {
  display: grid;
  gap: 22px;
}
.stats-grid { grid-template-columns: repeat(3, 1fr); }
.services-grid { grid-template-columns: repeat(4, 1fr); }
.social-grid { grid-template-columns: 360px 1fr; align-items: stretch; }
.contact-grid { grid-template-columns: 0.9fr 1.1fr; align-items: start; }

.stat-card,
.service-card,
.social-card,
.contact-form,
.social-embed,
.video-frame,
.split-visual img {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.stat-card,
.service-card,
.social-card { padding: 28px; }
.stat-card strong,
.service-card h3,
.social-card h3 { display: block; margin-bottom: 10px; font-size: 1.1rem; color: var(--primary); }
.stat-card span,
.service-card p,
.social-card p { color: var(--muted); }

.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: center;
}
.steps { display: grid; gap: 18px; margin-top: 24px; }
.steps article {
  padding: 20px;
  background: #fff;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 26px rgba(21,35,49,0.08);
  border: 1px solid var(--border);
}
.steps strong { display: block; color: var(--primary); margin-bottom: 8px; }
.split-visual img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.gallery-item {
  border: 0;
  background: transparent;
  padding: 0;
  border-radius: 22px;
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow);
}
.gallery-item img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  transition: transform 0.45s ease;
}
.gallery-item:hover img { transform: scale(1.06); }

.video-frame {
  overflow: hidden;
  min-height: 520px;
}
.video-frame iframe {
  width: 100%;
  min-height: 520px;
  border: 0;
}

.social-logo {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 18px;
}
.social-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.social-embed {
  overflow: hidden;
  min-height: 420px;
}
.social-embed iframe { width: 100%; height: 100%; }

.contact-list {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}
.contact-list a {
  padding: 14px 16px;
  background: #fff;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 10px 24px rgba(21,35,49,0.08);
}
.contact-form {
  padding: 28px;
  display: grid;
  gap: 16px;
}
.contact-form label {
  display: grid;
  gap: 8px;
  font-weight: bold;
  color: var(--primary);
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(31,63,99,0.16);
  border-radius: 16px;
  background: #fff;
  color: var(--text);
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(31,63,99,0.18);
  border-color: var(--primary);
}
.form-note { margin: 0; font-size: 0.92rem; color: var(--muted); }

.floating-whatsapp {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 120;
  width: 60px;
  height: 60px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #25d366;
  box-shadow: 0 14px 30px rgba(0,0,0,0.18);
  transition: var(--transition);
}
.floating-whatsapp:hover { transform: translateY(-3px) scale(1.04); }
.floating-whatsapp svg {
  width: 32px;
  height: 32px;
  fill: #fff;
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(8, 14, 20, 0.88);
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 14px;
  padding: 24px;
  z-index: 200;
}
.lightbox.is-visible { display: flex; }
.lightbox img {
  max-width: min(92vw, 900px);
  max-height: 78vh;
  border-radius: 18px;
}
.lightbox p { color: #fff; margin: 0; text-align: center; }
.lightbox-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 0;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  color: #fff;
  background: rgba(255,255,255,0.14);
}

.site-footer {
  background: #102235;
  color: rgba(255,255,255,0.88);
  padding: 30px 0;
}
.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}
.site-footer p { margin: 6px 0 0; color: rgba(255,255,255,0.75); }
.site-footer a { color: #fff; }

.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.delay-1 { transition-delay: 0.08s; }
.delay-2 { transition-delay: 0.16s; }

@media (max-width: 980px) {
  .hero-content,
  .split-layout,
  .stats-grid,
  .services-grid,
  .social-grid,
  .contact-grid,
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero-content { grid-template-columns: 1fr; }
  .social-grid,
  .contact-grid,
  .split-layout { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .menu-toggle { display: block; }
  .main-nav {
    position: absolute;
    top: 78px;
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: rgba(255,255,255,0.97);
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: var(--shadow);
    overflow: hidden;
  }
  .main-nav.is-open { display: flex; }
  .main-nav a {
    width: 100%;
    padding: 14px 18px;
    border-bottom: 1px solid rgba(31,63,99,0.08);
  }
  .main-nav a:last-child { border-bottom: 0; }
  .hero { min-height: auto; }
  .section { padding: 72px 0; }
  .stats-grid,
  .services-grid,
  .gallery-grid { grid-template-columns: 1fr; }
  .hero-actions,
  .hero-highlights { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .hero-card { padding: 22px; }
  .video-frame,
  .video-frame iframe { min-height: 320px; }
  .footer-content { text-align: center; justify-content: center; }
}