:root {
  --bg-color: #ffffff;
  --text-color: #000000;
  --accent-color: #e0e0e0;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-heading: 'Syne', sans-serif;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --follower-color: rgba(0, 0, 0, 0.08); /* Boosted opacity for better visibility */
}

[data-theme="dark"] {
  --bg-color: #000000;
  --text-color: #ffffff;
  --accent-color: #1a1a1a;
  --follower-color: rgba(255, 255, 255, 0.15); /* Boosted opacity for better visibility */
}

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

img, video, iframe, canvas {
  max-width: 100%;
  height: auto;
  display: block;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  text-transform: uppercase;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

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

ul {
  list-style: none;
}

/* Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 5%;
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px; /* Standardize mobile padding */
  }
}

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border: 2px solid var(--text-color);
  background-color: transparent;
  color: var(--text-color);
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--text-color);
  color: var(--bg-color);
  transform: translateX(-101%);
  transition: transform 0.4s cubic-bezier(0.7, 0, 0.3, 1);
  z-index: -1;
}

.btn:hover {
  color: var(--bg-color);
}

.btn:hover::before {
  transform: translateX(0);
}

.btn-solid {
  background-color: var(--text-color);
  color: var(--bg-color);
}

.btn-solid::before {
  background-color: var(--bg-color);
}

.btn-solid:hover {
  color: var(--text-color);
}

.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.section-padding {
  padding: 8rem 0;
}

@media (max-width: 768px) {
  .section-padding {
    padding: 4rem 0;
  }
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 1rem 0;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  z-index: 5000; /* Higher priority to ensure it's on top */
  border-bottom: 1px solid var(--accent-color);
  transition: transform 0.3s ease, background-color 0.3s ease;
}

@media (max-width: 768px) {
  .navbar {
    padding: 0.7rem 0;
  }
}

[data-theme="dark"] .navbar {
  background-color: rgba(0, 0, 0, 0.9);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -1px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-logo {
  height: 50px; /* Reducido de 60px para mejor balance */
  width: auto;
  object-fit: contain;
  transition: var(--transition);
}

@media (max-width: 768px) {
  .nav-logo {
    height: 40px; /* Tamaño optimizado para tablets y móviles */
  }
}

@media (max-width: 480px) {
  .nav-logo {
    height: 35px; /* Aún más pequeño para teléfonos estrechos */
  }
}

.logo span {
  display: inline-block;
  width: 10px;
  height: 10px;
  background-color: var(--text-color);
  border-radius: 50%;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--text-color);
  transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-color);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--text-color);
  transition: var(--transition);
}

.theme-toggle:hover {
  background-color: var(--text-color);
  color: var(--bg-color);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Animations */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 100px; /* Espacio para el navbar fijo */
}

@media (min-width: 769px) {
  .hero {
    padding-top: 120px;
  }
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, transparent 0%, var(--bg-color) 100%);
  pointer-events: none;
  opacity: 0.8;
}

.hero-bg {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background-image: radial-gradient(var(--text-color) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.05;
  animation: rotate 100s linear infinite;
  z-index: -1;
}

@keyframes rotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.hero .container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  z-index: 10;
  max-width: 900px;
}

@media (max-width: 768px) {
  .hero .container {
    text-align: center;
    align-items: center;
  }
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 6rem);
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  font-weight: 400;
  max-width: 600px;
  margin-bottom: 3rem;
  opacity: 0.9;
}

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

@media (max-width: 480px) {
  .hero-btns {
    width: 100%;
    justify-content: center;
  }
  .hero-btns .btn {
    width: 100%;
    text-align: center;
  }
}

/* Services Overview */
.services-overview {
  background-color: var(--text-color);
  color: var(--bg-color);
}

.services-overview .section-title {
  font-size: clamp(2rem, 5vw, 4rem);
  margin-bottom: 4rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--bg-color);
}

.service-card {
  padding: 3rem 2.5rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

@media (max-width: 480px) {
  .service-card {
    padding: 2rem 1.5rem;
  }
}

[data-theme="dark"] .services-overview .service-card {
  border: 1px solid rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .services-overview {
  background-color: #ffffff;
  color: #000000;
}

[data-theme="dark"] .services-overview .section-title {
  border-bottom: 2px solid #000000;
}

.service-card:hover {
  transform: translateY(-10px);
  background-color: var(--bg-color);
  color: var(--text-color);
}

[data-theme="dark"] .service-card:hover {
  background-color: #000000;
  color: #ffffff;
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.service-card p {
  opacity: 0.8;
  margin-bottom: 2rem;
}

/* Footer */
footer {
  padding: 4rem 0;
  border-top: 1px solid var(--accent-color);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
}

.social-links {
  display: flex;
  gap: 1.5rem;
}

.social-links a {
  font-size: 1.1rem;
  text-transform: uppercase;
  font-weight: 600;
}

.social-links a:hover {
  text-decoration: underline;
}

.copyright {
  width: 100%;
  text-align: center;
  margin-top: 3rem;
  font-size: 0.9rem;
  opacity: 0.6;
}

/* Portfolio Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  background-color: var(--accent-color);
  aspect-ratio: 16/9;
  cursor: pointer;
  border: 1px solid rgba(0,0,0,0.1);
}

[data-theme="dark"] .portfolio-item {
  border: 1px solid rgba(255,255,255,0.1);
}

.portfolio-item img,
.portfolio-item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.portfolio-item:hover img,
.portfolio-item:hover video {
  transform: scale(1.05);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  padding: 2rem;
  text-align: center;
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.portfolio-item:hover .portfolio-title {
  transform: translateY(0);
}

/* Custom Logo Image */
.nav-logo {
  height: 40px;
  width: auto;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.logo:hover .nav-logo {
  transform: scale(1.05);
}

/* Page Headers for subpages */
.subpage-header {
  padding: 120px 0 60px 0;
  background-color: var(--text-color);
  color: var(--bg-color);
  text-align: center;
}

@media (max-width: 768px) {
  .subpage-header {
    padding: 100px 20px 40px 20px;
  }
}
.subpage-header h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}
.subpage-header p {
  opacity: 0.8;
  max-width: 600px;
  margin: 1.5rem auto 0;
  font-size: 1.1rem;
}

/* Media Queries */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
    background-color: var(--bg-color);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    transition: left 0.4s cubic-bezier(0.7, 0, 0.3, 1);
    z-index: 10000; /* Ensure it stays above everything */
    overflow-y: auto;
    padding: 80px 0;
  }
  
  .nav-links.active {
    left: 0;
  }
  
  .nav-links a {
    font-size: 1.8rem;
    font-family: var(--font-heading);
  }
  
  .mobile-menu-btn {
    display: block;
    position: relative;
    z-index: 10001; /* Must be above the fixed menu overlay */
  }
}

/* Project Detail Pages */
.project-hero {
  width: 100%;
  height: 70vh;
  position: relative;
  overflow: hidden;
  margin-top: 80px;
}

.project-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-details {
  padding: 6rem 0;
}

.project-info-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  margin-bottom: 6rem;
}

@media (max-width: 768px) {
  .project-info-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.info-sidebar {
  border-right: 1px solid var(--accent-color);
  padding-right: 2rem;
}

@media (max-width: 768px) {
  .info-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--accent-color);
    padding-right: 0;
    padding-bottom: 2rem;
  }
}

.info-item {
  margin-bottom: 2rem;
}

.info-item label {
  display: block;
  text-transform: uppercase;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
  opacity: 0.5;
}

.info-item p {
  font-size: 1.1rem;
  font-weight: 600;
}

.project-content h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
}

.project-content p {
  font-size: 1.1rem;
  line-height: 1.8;
  opacity: 0.8;
  margin-bottom: 2rem;
}

.project-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 4rem;
}

@media (max-width: 768px) {
  .project-gallery {
    grid-template-columns: 1fr;
  }
}

.gallery-item {
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: 5px;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.gallery-item:hover img {
  transform: scale(1.03);
}

.project-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4rem 0;
  border-top: 1px solid var(--accent-color);
  margin-top: 6rem;
}

.nav-project-btn {
  display: flex;
  flex-direction: column;
}

.nav-project-btn span {
  font-size: 0.8rem;
  text-transform: uppercase;
  opacity: 0.5;
  margin-bottom: 0.5rem;
}

.nav-project-btn a {
  font-size: 1.5rem;
  font-weight: 800;
  font-family: var(--font-heading);
}

.nav-project-btn a:hover {
  text-decoration: underline;
}

/* Mouse Follower Styling */
.mouse-follower {
  position: fixed;
  top: 0;
  left: 0;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--follower-color) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: opacity 0.5s ease, background 0.5s ease;
  opacity: 0;
}

.mouse-follower.visible {
  opacity: 1;
}

@media (hover: none) and (pointer: coarse) {
  .mouse-follower {
    display: none;
  }
}