/* CSS Variables for Palette and Tokens */
:root {
  --bg-primary: #131313;
  --bg-secondary: #212526;
  --border-color: #4c4d4f;
  --text-muted: #ffffff;
  --text-accent: #bbbbbb;
  --text-light: #e5e2e1;
  --primary-white: #ffffff;

  --max-width: 1200px;
  --section-gap: 120px;
  --header-height: 80px;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-light);
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  font-family: "Hanken Grotesk", sans-serif;
  font-weight: 700;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

ul {
  list-style: none;
}

button,
.btn {
  cursor: pointer;
  border: none;
  font-family: "Inter", sans-serif;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: all 0.3s ease;
  font-size: 12px;
  padding: 12px 24px;
}

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

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

section {
  padding: var(--section-gap) 0;
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(19, 19, 19, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo img {
  height: 60px;
  width: auto;
  display: block;
}

nav ul {
  display: flex;
  gap: 32px;
}

nav a {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-muted);
}

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

.btn-consult {
  background-color: var(--text-accent);
  color: var(--bg-primary);
}

.btn-consult:hover {
  background-color: var(--primary-white);
}

/* Hamburger Menu Styles */
#menu-toggle {
  display: none;
}

.hamburger-label {
  display: none;
  cursor: pointer;
  z-index: 1001;
  padding: 10px;
}

.hamburger-icon {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary-white);
  position: relative;
  transition: background 0.3s ease;
}

.hamburger-icon::before,
.hamburger-icon::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 2px;
  background: var(--primary-white);
  transition: transform 0.3s ease, top 0.3s ease;
}

.hamburger-icon::before {
  top: -8px;
}
.hamburger-icon::after {
  top: 8px;
}

/* Checkbox Hack - Active State */
#menu-toggle:checked ~ .hamburger-label .hamburger-icon {
  background: transparent;
}

#menu-toggle:checked ~ .hamburger-label .hamburger-icon::before {
  transform: rotate(45deg);
  top: 0;
}

#menu-toggle:checked ~ .hamburger-label .hamburger-icon::after {
  transform: rotate(-45deg);
  top: 0;
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--bg-primary);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

#menu-toggle:checked ~ .mobile-menu-overlay {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-overlay ul {
  display: flex;
  flex-direction: column;
  gap: 24px;
  text-align: center;
  margin-bottom: 40px;
}

.mobile-menu-overlay a {
  font-size: 24px;
  font-family: "Hanken Grotesk", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.mobile-menu-overlay a:hover {
  color: var(--primary-white);
}

/* Hero Section */
#inicio {
  height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 0;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) opacity(0.4);
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--bg-primary) 10%, transparent 100%);
}

.hero-content {
  max-width: 700px;
  border-left: 1px solid var(--border-color);
  padding-left: 48px;
}

.label {
  font-size: 11px;
  color: var(--text-accent);
  text-transform: uppercase;
  letter-spacing: 0.3em;
  margin-bottom: 16px;
  display: block;
}

#inicio h1 {
  font-size: clamp(32px, 5vw, 64px);
  line-height: 1.1;
  margin-bottom: 24px;
}

#inicio p {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 40px;
  max-width: 500px;
}

.hero-actions {
  display: flex;
  gap: 16px;
}

.btn-outline {
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--primary-white);
}

.btn-outline:hover {
  background: var(--bg-secondary);
}

/* Nosotros Section */
.nosotros-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: center;
}

#nosotros h2 {
  font-size: 40px;
  margin-bottom: 32px;
}

.nosotros-text p {
  margin-bottom: 24px;
  color: var(--text-muted);
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
}

.stat-item .value {
  font-size: 32px;
  font-weight: 700;
  display: block;
}

.stat-item .desc {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-muted);
}

.nosotros-visual {
  position: relative;
  height: 500px;
}

.img-main {
  width: 80%;
  height: 80%;
  object-fit: cover;
  filter: grayscale(100%);
  border: 1px solid var(--border-color);
  position: absolute;
  right: 0;
  top: 0;
}

.img-sub {
  width: 60%;
  height: 50%;
  object-fit: cover;
  filter: grayscale(100%);
  border: 1px solid var(--border-color);
  position: absolute;
  left: 0;
  bottom: 0;
  background: var(--bg-secondary);
  padding: 10px;
}

/* Servicios Section */
#servicios {
  background-color: #0e0e0e;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.servicios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--border-color);
}

.servicio-card {
  padding: 48px;
  border-right: 1px solid var(--border-color);
  transition: background 0.4s ease;
}

.servicio-card:last-child {
  border-right: none;
}

.servicio-card:hover {
  background: var(--bg-secondary);
}

.servicio-card .icon {
  font-size: 40px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.servicio-card:hover .icon {
  color: var(--text-accent);
}

.servicio-card h3 {
  font-size: 24px;
  margin-bottom: 16px;
}

.servicio-card p {
  color: var(--text-muted);
  margin-bottom: 24px;
  font-size: 14px;
}

.servicio-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.servicio-list li {
  display: flex;
  align-items: center;
  font-size: 12px;
  color: var(--text-muted);
}

.servicio-list li span {
  font-size: 14px;
  margin-right: 8px;
}

/* Resultados Section */
.resultados-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 48px;
}

.resultados-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.proyecto-card {
  position: relative;
  height: 400px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.proyecto-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: transform 0.6s ease;
}

.proyecto-card:hover img {
  transform: scale(1.05);
}

.proyecto-info {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 24px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
}

.proyecto-info .cat {
  font-size: 9px;
  color: var(--text-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.proyecto-info h4 {
  font-size: 18px;
  margin-top: 4px;
}

/* Contacto Section */
#contacto {
  background-color: #0e0e0e;
}

.contacto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
}

.info-list {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.info-item {
  display: flex;
  gap: 16px;
}

.info-item .icon {
  color: var(--text-accent);
}

.info-item h4 {
  font-size: 16px;
  margin-bottom: 4px;
}

.info-item p {
  color: var(--text-muted);
  font-size: 14px;
}

.contact-form {
  background: var(--bg-secondary);
  padding: 48px;
  border: 1px solid var(--border-color);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
  letter-spacing: 0.1em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  padding: 12px;
  color: var(--primary-white);
  font-family: inherit;
}

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

.btn-submit {
  width: 100%;
  background: var(--text-accent);
  color: var(--bg-primary);
  padding: 16px;
  margin-top: 16px;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-color);
  padding: 80px 0 32px 0;
}

.footer-top {
  text-align: center;
  display: grid;
  grid-template-columns: 0.6fr 1fr 1fr;
  gap: 30px;
  margin-bottom: 64px;
}

.footer-logo img{
  width: 150px;
  height: auto;
  margin: auto; 
}

.footer-brand p {
  color: var(--text-muted);
  margin-top: 20px;
  font-size: 14px;
  max-width: 300px;
}

.footer-links h5 {
  text-transform: uppercase;
  font-size: 12px;
  margin-bottom: 24px;
  letter-spacing: 0.1em;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 14px;
}

.footer-links a:hover {
  color: var(--primary-white);
}

.footer-bottom {
  padding-top: 2px;
  margin: auto;
  border-top: 1px solid rgba(76, 77, 79, 0.3);
  display: flex;
  flex-direction: column; /* Alinea en forma de columna */
  justify-content: center;
  align-items: center;
  text-align: center; /* Centra el texto de los elementos hijos */
}

.footer-bottom p {
  font-size: 10px;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
}

.status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 10px;
  text-transform: uppercase;
  color: var(--text-muted);
}

.dot {
  width: 6px;
  height: 6px;
  background: #4caf50;
  border-radius: 50%;
  box-shadow: 0 0 5px #4caf50;
}

/* Responsive */
@media (max-width: 1024px) {
  .nosotros-grid,
  .contacto-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }
  .servicios-grid {
    grid-template-columns: 1fr;
  }
  .servicio-card {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }
  .resultados-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin: 0 auto;
    max-width: 100%;
  }

  .footer-top {
    text-align: center;
    grid-template-columns: 1fr;
  }

  /* Hide desktop nav */
  nav,
  .header-inner > .btn-consult {
    display: none;
  }

  /* Show hamburger */
  .hamburger-label {
    display: flex;
    align-items: center;
  }
}

@media (max-width: 768px) {
  .resultados-grid {
    grid-template-columns: 1fr;
  }
  .footer-brand img {
    margin: auto;
  }
  .footer-brand {
    margin: auto;
    text-align: center;
  }
  .footer-top {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer-bottom {
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .footer-bottom p {
    text-align: center;
  }

  .hero-content {
    padding-left: 24px;
  }
  .nosotros-visual {
    height: 400px;
  }
}