:root {
    --primary: #2563eb;
    --secondary: #3b82f6;
    --dark: #1e293b;
    --light: #f8fafc;
    --gray: #64748b;
    --transition: all 0.3s ease;
}

.dark-mode {
    --primary: #3b82f6;
    --secondary: #60a5fa;
    --dark: #f8fafc;
    --light: #0f172a;
    --gray: #94a3b8;
}

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

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
    transition: var(--transition);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
}

h1 {
    font-size: 3.5rem;
    line-height: 1.1;
}

h2 {
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
    margin-bottom: 3rem;
}

h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 70px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
}

.text-gradient {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 100px 0;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.dark-mode .navbar {
    background-color: rgba(15, 23, 42, 0.95);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.3);
}

.navbar.scrolled {
    padding: 10px 0;
    background-color: rgba(255, 255, 255, 0.98);
}

.dark-mode .navbar.scrolled {
    background-color: rgba(15, 23, 42, 0.98);
}

.navbar-brand {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--dark);
}

.navbar-brand img {
    height: 40px;
    margin-right: 10px;
}

.nav-link {
    font-weight: 500;
    margin: 0 15px;
    color: var(--dark);
    position: relative;
    transition: var(--transition);
}

.nav-link:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: var(--transition);
}

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

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

.theme-toggle {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark);
    transition: var(--transition);
}

.theme-toggle:hover {
    color: var(--primary);
}

/* Hero Section */
#home {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-bg {
    position: absolute;
    top: 0;
    right: 0;
    height: 100%;
    width: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    clip-path: polygon(25% 0%, 100% 0%, 100% 100%, 0% 100%);
    opacity: 0.05;
}

.hero-img {
    position: absolute;
    top: 50%;
    right: 10%;
    transform: translateY(-50%);
    width: 35%;
    height: 70%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 20px;
    box-shadow: 0 25px 50px -12px rgba(37, 99, 235, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    z-index: 1;
}

.hero-img:before {
    content: "EV";
    position: absolute;
    font-size: 15rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.1);
}

.hero-btns {
    margin-top: 30px;
    display: flex;
    gap: 15px;
}

.btn {
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 500;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border: none;
    color: white;
}

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

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px -10px rgba(37, 99, 235, 0.5);
}

/* Skills Section */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.skill-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    text-align: center;
}

.dark-mode .skill-card {
    background: #1e293b;
}

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(37, 99, 235, 0.15);
}

.skill-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-size: 2rem;
    border-radius: 50%;
}

.skill-card h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

/* About Section */
.about-content {
    display: flex;
    gap: 50px;
    align-items: center;
}

.about-text {
    flex: 1;
}

.about-img {
    flex: 1;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

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

.stats {
    display: flex;
    gap: 30px;
    margin-top: 30px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Projects Section - Carrusel */
#projects {
  position: relative;
  overflow: hidden;
}

.carousel-container {
  width: 100%;
  overflow: hidden;
  position: relative;
  padding: 20px 0 40px;
  margin-top: 40px;
}

.carousel-track {
  display: flex;
  gap: 30px;
  transition: transform 0.5s ease-in-out;
}

.project-card {
  min-width: calc(33.333% - 20px);
  flex-shrink: 0;
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.dark-mode .project-card {
  background: #1e293b;
}

.project-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 15px 40px rgba(37, 99, 235, 0.15);
}

.project-img {
  height: 200px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 5rem;
  opacity: 0.9;
  transition: var(--transition);
}

.project-card:hover .project-img {
  opacity: 1;
  transform: scale(1.05);
}

.project-content {
  padding: 25px;
}

.project-content h3 {
  margin-bottom: 10px;
}

.project-tags {
  display: flex;
  gap: 10px;
  margin: 15px 0;
  flex-wrap: wrap;
}

.project-tag {
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
  padding: 5px 15px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}

.project-tag:hover {
  background: var(--primary);
  color: white;
}

.project-links {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

/* Botones de navegación */
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background: white;
  border: none;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  color: var(--dark);
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 10;
  opacity: 0;
  visibility: hidden;
}

#projects:hover .carousel-btn {
  opacity: 1;
  visibility: visible;
}

.carousel-btn:hover {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
}

.carousel-btn.prev {
  left: 20px;
}

.carousel-btn.next {
  right: 20px;
}

/* Indicadores */
.carousel-indicators {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 30px;
}

.indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gray);
  opacity: 0.3;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  padding: 0;
}

.indicator.active {
  opacity: 1;
  background: var(--primary);
  transform: scale(1.2);
  width: 30px;
  border-radius: 10px;
}

.indicator:hover {
  opacity: 0.8;
  background: var(--primary);
}

/* Responsive para el carrusel */
@media (max-width: 992px) {
  .project-card {
    min-width: calc(50% - 15px);
  }
}

@media (max-width: 768px) {
  .project-card {
    min-width: 100%;
  }
  
  .carousel-btn {
    width: 35px;
    height: 35px;
    font-size: 1.2rem;
  }
  
  .carousel-btn.prev {
    left: 10px;
  }
  
  .carousel-btn.next {
    right: 10px;
  }
  
  .indicator {
    width: 8px;
    height: 8px;
  }
  
  .indicator.active {
    width: 25px;
  }
}

/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 50px;
    margin-top: 40px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-text h3 {
    margin-bottom: 5px;
    font-size: 1.2rem;
}

.contact-form {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.dark-mode .contact-form {
    background: #1e293b;
}

.form-group {
    margin-bottom: 20px;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    background: #f8fafc;
    transition: var(--transition);
    font-family: 'Roboto', sans-serif;
}

.dark-mode .form-control {
    background: #1e293b;
    border-color: #334155;
    color: white;
}

.form-control:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

/* Footer */
footer {
    background: var(--dark);
    color: white;
    padding: 40px 0 20px;
    text-align: center;
}

.dark-mode footer {
    background: #0f172a;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 20px 0;
}

.social-link {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-link:hover {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    transform: translateY(-5px);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 20px 0;
    flex-wrap: wrap;
}

.footer-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-link:hover {
    color: white;
}

.copyright {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {
    h1 {
    font-size: 2.8rem;
    }
    
    h2 {
    font-size: 2.2rem;
    }
    
    .hero-img {
    display: none;
    }
    
    .hero-bg {
    width: 100%;
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 80%);
    }
    
    .about-content {
    flex-direction: column;
    }
}

@media (max-width: 768px) {
    section {
    padding: 70px 0;
    }
    
    h1 {
    font-size: 2.3rem;
    }
    
    h2 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    }
    
    .hero-btns {
    flex-direction: column;
    }
    
    .stats {
    flex-direction: column;
    gap: 20px;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
    opacity: 0;
    transform: translateY(30px);
    }
    to {
    opacity: 1;
    transform: translateY(0);
    }
}

.fadeInUp {
    animation: fadeInUp 0.8s ease forwards;
}
.hidden {
    display: none;
}

/* Agrega esto al final de tu archivo CSS */

.dark-mode .form-group label {
    color: #f8fafc !important; /* Color blanco para las etiquetas en modo oscuro */
}

/* Opcional: También puedes mejorar la visibilidad del placeholder */
.dark-mode .form-control::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

/* Si también quieres que el texto dentro de los campos de entrada sea blanco */
.dark-mode .form-control {
    color: #f8fafc;
}

/* ARREGLO CRUCIAL PARA EL CARRUSEL */
#projects .container {
    position: relative;
    overflow: visible;
}

.carousel-container {
    width: 100%;
    overflow: hidden !important;
    position: relative !important;
}

.carousel-track {
    display: flex !important;
    flex-wrap: nowrap !important;
    gap: 30px !important;
    transition: transform 0.5s ease-in-out !important;
    will-change: transform;
}

.project-card {
    flex: 0 0 auto !important;
    width: calc(33.333% - 20px) !important;
    min-width: auto !important;
}

@media (max-width: 992px) {
    .project-card {
        width: calc(50% - 15px) !important;
    }
}

@media (max-width: 768px) {
    .project-card {
        width: 100% !important;
    }
}

/* Asegurar que los botones estén bien posicionados */
#projects {
    position: relative !important;
}

.carousel-btn {
    position: absolute !important;
    z-index: 100 !important;
}

.carousel-indicators {
    position: relative !important;
    z-index: 50 !important;
}

/* ===== BOTONES DEL CARRUSEL - CORREGIDOS ===== */

/* Contenedor principal con posición relativa */
#projects {
    position: relative;
    overflow: hidden;
}

/* Hacemos que el contenedor del carrusel tenga padding para dejar espacio a los botones */
.carousel-container {
    width: 100%;
    overflow: hidden;
    position: relative;
    padding: 20px 50px !important;  /* Aumentamos el padding horizontal */
    margin-top: 40px;
}

/* Posicionamos los botones FUERA del contenedor del carrusel */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: white;
    border: none;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    color: var(--dark);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 100;
    opacity: 0.9;
}

/* Botón izquierdo - lo movemos más afuera */
.carousel-btn.prev {
    left: -20px;  /* Valor negativo para sacarlo del contenedor */
}

/* Botón derecho - lo movemos más afuera */
.carousel-btn.next {
    right: -20px;  /* Valor negativo para sacarlo del contenedor */
}

/* Hover effects */
.carousel-btn:hover {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.4);
    opacity: 1;
}

/* Responsive: en móvil ajustamos para que no se salgan demasiado */
@media (max-width: 768px) {
    .carousel-container {
        padding: 20px 40px !important;
    }
    
    .carousel-btn.prev {
        left: -10px;
    }
    
    .carousel-btn.next {
        right: -10px;
    }
    
    .carousel-btn {
        width: 35px;
        height: 35px;
        font-size: 1.2rem;
        background: rgba(255, 255, 255, 0.9);
    }
}

/* Para pantallas muy pequeñas, los dejamos dentro pero semitransparentes */
@media (max-width: 480px) {
    .carousel-container {
        padding: 20px 30px !important;
    }
    
    .carousel-btn.prev {
        left: -5px;
    }
    
    .carousel-btn.next {
        right: -5px;
    }
}