/* Edatel — diseño minimalista */
:root {
  --color-primary: #0a3d6b;
  --color-primary-light: #1a5a96;
  --color-accent: #00a8e8;
  --color-text: #1a1a2e;
  --color-text-muted: #5c6370;
  --color-bg: #ffffff;
  --color-bg-alt: #f4f7fa;
  --color-border: #e2e8f0;
  --font-sans: "DM Sans", system-ui, sans-serif;
  --max-width: 1140px;
  --radius: 8px;
  --shadow: 0 4px 24px rgba(10, 61, 107, 0.08);
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-accent);
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo img {
  height: 40px;
  width: auto;
}

.nav {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.nav a:hover,
.nav a.active {
  color: var(--color-primary);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

/* Hero */
.hero {
  padding: 8rem 0 5rem;
  background: linear-gradient(160deg, var(--color-bg-alt) 0%, var(--color-bg) 60%);
}

.hero__content {
  max-width: 640px;
}

.hero__tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
}

.hero p {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}

.btn--primary:hover {
  background: var(--color-primary-light);
  color: #fff;
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--outline:hover {
  background: var(--color-primary);
  color: #fff;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Section common */
.section {
  padding: 5rem 0;
}

.section--alt {
  background: var(--color-bg-alt);
}

.section__header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3.5rem;
}

.section__label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.section__title {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.section__desc {
  color: var(--color-text-muted);
}

/* About / Historia */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about__story p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.about__story p:last-child {
  margin-bottom: 0;
}

.mv-grid {
  display: grid;
  gap: 1.5rem;
}

.mv-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.section--alt .mv-card {
  background: #fff;
}

.mv-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.mv-card p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

.service-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.service-card__image {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-bg-alt);
}

.service-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-card__body {
  padding: 1.5rem;
}

.service-card__category {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.service-card ul {
  margin-top: 0.75rem;
  padding-left: 1.25rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.service-card li {
  margin-bottom: 0.35rem;
}

/* Clients marquee */
.clients {
  padding: 3rem 0;
  overflow: hidden;
  border-block: 1px solid var(--color-border);
}

.clients__label {
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.clients__track {
  display: flex;
  gap: 3rem;
  animation: marquee 40s linear infinite;
  width: max-content;
}

.clients__track:hover {
  animation-play-state: paused;
}

.clients__slide {
  display: flex;
  gap: 3rem;
  flex-shrink: 0;
}

.clients__slide img {
  height: 52px;
  width: auto;
  object-fit: contain;
  opacity: 1;
  transition: transform var(--transition), opacity var(--transition);
}

.clients__slide img:hover {
  transform: scale(1.08);
  opacity: 1;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  cursor: pointer;
  background: var(--color-bg-alt);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-item:hover img {
  transform: scale(1.04);
}

.gallery-item__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem;
  background: linear-gradient(transparent, rgba(10, 61, 107, 0.85));
  color: #fff;
  font-size: 0.85rem;
  font-weight: 500;
  opacity: 0;
  transition: opacity var(--transition);
}

.gallery-item:hover .gallery-item__caption {
  opacity: 1;
}

/* Brands */
.brands-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
  align-items: stretch;
}

.brand-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  height: 110px;
  overflow: hidden;
}

.brand-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  /* Las imágenes fuente son 600×600 con mucho margen blanco */
  transform: scale(2.6);
  transition: transform var(--transition);
}

.brand-item:hover img {
  transform: scale(2.8);
}

/* Testimonial */
.testimonial {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  padding: 2rem;
}

.testimonial__stars {
  color: #f5a623;
  font-size: 1.25rem;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
}

.testimonial blockquote {
  font-size: 1.1rem;
  font-style: italic;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-info h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}

.contact-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.contact-item__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  color: var(--color-primary);
}

.contact-item strong {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 0.15rem;
}

.contact-item a,
.contact-item span {
  color: var(--color-text);
  font-weight: 500;
}

.contact-map {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  min-height: 300px;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  min-height: 300px;
  border: 0;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.35rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 0.95rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* Footer */
.footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.8);
  padding: 2.5rem 0;
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.footer__logo img {
  height: 32px;
  filter: brightness(0) invert(1);
}

.footer__copy {
  font-size: 0.85rem;
}

.footer__admin {
  text-align: center;
  padding-top: 1rem;
  margin-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.footer__admin a {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.45);
  transition: color var(--transition);
}

.footer__admin a:hover {
  color: rgba(255, 255, 255, 0.85);
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  transition: background var(--transition);
}

.social-links a:hover {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius);
}

.lightbox__close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.lightbox__close:hover {
  opacity: 1;
}

/* Responsive */
@media (max-width: 900px) {
  .about__grid,
  .services-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .brand-item {
    height: 100px;
  }

  .brand-item img {
    transform: scale(2.4);
  }

  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 0;
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav li {
    padding: 0.75rem 1.5rem;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}

@media (max-width: 600px) {
  .brands-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero {
    padding: 7rem 0 3.5rem;
  }

  .section {
    padding: 3.5rem 0;
  }

  .hero__actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }
}