* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #030a18;
  --panel: rgba(2, 18, 42, 0.72);
  --panel-soft: rgba(255, 255, 255, 0.08);
  --text: #ffffff;
  --muted: #c6d7ec;
  --accent: #00d4ff;
  --accent-soft: rgba(0, 212, 255, 0.22);
  --border: rgba(255, 255, 255, 0.14);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    linear-gradient(rgba(2, 8, 22, 0.76), rgba(2, 8, 22, 0.92)),
    url("../img/hero-datacenter.jpg");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

img {
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 8%;
  background: rgba(0, 7, 18, 0.72);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(14px);
}

.logo {
  color: var(--text);
  text-decoration: none;
  font-size: 23px;
  font-weight: 800;
  letter-spacing: 1.6px;
}

.main-nav {
  display: flex;
  gap: 28px;
}

.main-nav a {
  color: var(--text);
  text-decoration: none;
  font-size: 15px;
  opacity: 0.86;
  transition: 0.25s ease;
}

.main-nav a:hover {
  color: var(--accent);
  opacity: 1;
}

.menu-button {
  display: none;
  border: 1px solid var(--border);
  background: var(--panel-soft);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 22px;
  cursor: pointer;
}

.hero {
  min-height: 86vh;
  display: flex;
  align-items: center;
  padding: 90px 8%;
}

.hero-content {
  max-width: 780px;
  padding: 46px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 26px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.hero h1 {
  margin-bottom: 22px;
  font-size: clamp(38px, 6vw, 76px);
  line-height: 1.04;
}

.hero p,
.section-heading p,
.service-card p,
.photo-info p,
.contact-box p {
  color: var(--muted);
  line-height: 1.7;
}

.hero p {
  max-width: 680px;
  margin-bottom: 30px;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 24px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  transition: 0.25s ease;
}

.btn-primary {
  color: #00111f;
  background: var(--accent);
  box-shadow: 0 0 26px rgba(0, 212, 255, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 38px rgba(0, 212, 255, 0.62);
}

.btn-secondary {
  color: var(--text);
  border: 1px solid var(--border);
  background: var(--panel-soft);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.services,
.gallery,
.contact {
  padding: 82px 8%;
  background: rgba(0, 0, 0, 0.38);
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 38px;
  text-align: center;
}

.section-heading h2,
.contact-box h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 4vw, 48px);
}

.service-grid,
.gallery-grid {
  display: grid;
  gap: 24px;
}

.service-grid {
  grid-template-columns: repeat(3, 1fr);
}

.service-card {
  padding: 30px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: 0 16px 45px rgba(0, 0, 0, 0.28);
}

.service-card h3 {
  margin-bottom: 12px;
  color: var(--accent);
  font-size: 24px;
}

.gallery-grid {
  grid-template-columns: repeat(4, 1fr);
}

.photo-card {
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.34);
  transition: 0.28s ease;
}

.photo-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 26px 56px rgba(0, 212, 255, 0.18);
}

.photo-card img {
  width: 100%;
  height: 230px;
  display: block;
  object-fit: cover;
}

.photo-info {
  padding: 22px;
}

.photo-info h3 {
  margin-bottom: 8px;
  color: var(--accent);
}

.contact {
  background:
    linear-gradient(rgba(0, 0, 0, 0.45), rgba(0, 0, 0, 0.72)),
    url("../img/infraestructura.jpg");
  background-size: cover;
  background-position: center;
}

.contact-box {
  max-width: 760px;
  margin: 0 auto;
  padding: 42px;
  text-align: center;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 26px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.contact-box p {
  margin-bottom: 24px;
}

.site-footer {
  padding: 24px 8%;
  text-align: center;
  color: var(--muted);
  background: rgba(0, 0, 0, 0.82);
  border-top: 1px solid var(--border);
}

@media (max-width: 980px) {
  .service-grid,
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .site-header {
    padding: 18px 6%;
  }

  .menu-button {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: 70px;
    left: 6%;
    right: 6%;
    display: none;
    flex-direction: column;
    gap: 16px;
    padding: 20px;
    background: rgba(0, 7, 18, 0.94);
    border: 1px solid var(--border);
    border-radius: 18px;
  }

  .main-nav.is-open {
    display: flex;
  }

  .hero,
  .services,
  .gallery,
  .contact {
    padding-left: 6%;
    padding-right: 6%;
  }

  .hero-content,
  .contact-box {
    padding: 28px;
  }

  .service-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .photo-card img {
    height: 250px;
  }
}