:root {
    --color-primary: #2b1d17;
    --color-secondary: #6d4c41;
    --color-accent: #d7ccc8;
    --color-text: #4e342e;
    --color-bg: #fafafa;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
    --navbar-height: 70px;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 100px;
    height: 100px;
    position: relative;
}

.loader:before,
.loader:after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: var(--color-accent);
}

.loader:before {
    animation: spin 1.5s linear infinite;
}

.loader:after {
    border-top-color: white;
    animation: spin 2s linear infinite;
    opacity: 0.7;
}

.loader-logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background-image: url('../assets/img/logo.png'); /* Asegúrate de tener tu logo aquí */
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

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

/* Navbar Styles */
.nav-menu {
    background: transparent;
    padding: 20px 30px;
    position: fixed;
    width: 100%;
    z-index: 9999;
    transition: all 0.4s ease;
}

.navbar-brand {
    color: white;
    font-family: 'Playfair Display';
    font-size: 25px;
    font-weight: 400;
    letter-spacing: 3px;
    transition: all 0.3s ease;
}

.navbar-brand:hover {
    cursor: pointer;
    color: var(--color-accent);
}

.navbar-collapse {
    transition: all 0.3s ease-in-out;
}

.nav-item {
    padding: 0 10px;
}

.menu-item {
    font-family: 'Josefin Sans', sans-serif;
    font-size: 11px;
    letter-spacing: 2px;
    color: white;
    text-transform: uppercase;
    transition: color 0.3s ease;
    position: relative;
}

.menu-item::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background: var(--color-accent);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

.menu-item:hover,
.nav-active {
    color: var(--color-accent);
}

/* Hamburger Menu */
.navbar-toggler {
    cursor: pointer;
    border: none;
    outline: none;
    padding: 0;
    background: transparent;
}

.ham {
    width: 28px;
    height: 2px;
    background: #F9F8F7;
    margin: 6px 0;
    transition: 0.4s;
}

.change .line1 {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.change .line2 {
    opacity: 0;
}

.change .line3 {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('../assets/images/woodworking.jpeg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.hero-content {
    color: white;
    z-index: 1;
    padding: 0 20px;
}

.hero h1 {
    font-family: 'Playfair Display', serif;
    font-size: 4rem;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease;
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.3s;
    opacity: 0;
    animation-fill-mode: forwards;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: transparent;
    border: 2px solid white;
    color: white;
    text-decoration: none;
    font-weight: 500;
    border-radius: 30px;
    transition: var(--transition);
    animation: fadeInUp 1s ease 0.6s;
    opacity: 0;
    animation-fill-mode: forwards;
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: white;
    transition: var(--transition);
    z-index: -1;
}

.cta-button:hover {
    color: var(--color-primary);
    text-decoration: none;
}

.cta-button:hover::before {
    left: 0;
}

/* Sections Common Styles */
section {
    padding: 6rem 0;
}

section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
    position: relative;
}

section h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--color-primary);
}

/* Services Section */
.servicios {
    background: white;
}

.servicios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.servicio-card {
    padding: 2rem;
    text-align: center;
    background: var(--color-bg);
    border-radius: 10px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.servicio-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--color-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.servicio-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.servicio-card:hover::before {
    transform: scaleX(1);
}

.servicio-card i {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    transition: var(--transition);
}

.servicio-card:hover i {
    transform: scale(1.1);
}

/* Proyectos Section */
.proyectos {
    background-color: #f9f9f9;
    position: relative;
    overflow: hidden;
}

.proyectos::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--color-primary), transparent);
}

.proyectos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 1rem;
}

.proyecto-card {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    aspect-ratio: 4/3;
    cursor: pointer;
    /* Estilos iniciales para animación */
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease-out forwards;
}

/* Animaciones escalonadas para las tarjetas de proyecto */
.proyecto-card:nth-child(1) { animation-delay: 0.1s; }
.proyecto-card:nth-child(2) { animation-delay: 0.2s; }
.proyecto-card:nth-child(3) { animation-delay: 0.3s; }
.proyecto-card:nth-child(4) { animation-delay: 0.4s; }
.proyecto-card:nth-child(5) { animation-delay: 0.5s; }
.proyecto-card:nth-child(6) { animation-delay: 0.6s; }
.proyecto-card:nth-child(7) { animation-delay: 0.7s; }
.proyecto-card:nth-child(8) { animation-delay: 0.8s; }
.proyecto-card:nth-child(9) { animation-delay: 0.9s; }

.proyecto-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.proyecto-card:hover img {
    transform: scale(1.1);
}

.proyecto-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem 1.5rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.8) 40%);
    color: white;
    transform: translateY(100px);
    transition: transform 0.5s ease;
}

.proyecto-card:hover .proyecto-info {
    transform: translateY(0);
}

.proyecto-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-family: 'Playfair Display', serif;
}

.proyecto-info p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.proyecto-categoria {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--color-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    transform: translateY(-100px);
    opacity: 0;
    transition: all 0.5s ease;
}

.proyecto-card:hover .proyecto-categoria {
    transform: translateY(0);
    opacity: 1;
}

/* Estado de carga de proyectos */
.proyecto-loading {
    display: flex;
    justify-content: center;
    align-items: center;
    grid-column: 1 / -1; /* Ocupa todo el ancho del grid */
    padding: 2rem;
    color: var(--color-text);
    font-style: italic;
    min-height: 200px;
}

.proyecto-loading p {
    margin: 0;
    font-size: 1.1rem;
    opacity: 0.7;
}

/* Estilos para el botón Ver más proyectos */
.ver-mas-proyectos {
    text-align: center;
    margin-top: 3rem;
}

.btn-ver-mas {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--color-primary);
    color: white;
    text-decoration: none;
    font-weight: 500;
    border-radius: 30px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-ver-mas:hover {
    background: var(--color-secondary);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    text-decoration: none;
}

/* Filtros de proyectos */
.proyectos-filtros {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filtro-btn {
    padding: 0.5rem 1.5rem;
    border: none;
    background: transparent;
    color: var(--color-text);
    cursor: pointer;
    position: relative;
    font-family: 'Josefin Sans', sans-serif;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.filtro-btn::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.3s ease;
}

.filtro-btn:hover::after,
.filtro-btn.active::after {
    width: 80%;
}

.filtro-btn.active {
    color: var(--color-primary);
}

/* Contact Form */
.contacto-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

input,
textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid transparent;
    border-radius: 5px;
    background: white;
    transition: var(--transition);
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(43, 29, 23, 0.1);
}

.submit-button {
    background: var(--color-primary);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.submit-button:hover {
    background: var(--color-secondary);
}

.submit-button.loading {
    opacity: 0.7;
    cursor: not-allowed;
}

/* WhatsApp Button */
.whatsapp-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    z-index: 100;
}

.whatsapp-button:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
    text-decoration: none;
}

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--color-secondary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* Footer */
footer {
    background: var(--color-primary);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.social-icons {
    margin-top: 1rem;
}

.social-icons a {
    color: white;
    margin: 0 0.5rem;
    font-size: 1.5rem;
    transition: var(--transition);
}

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

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(-100%);
    }
}

/* Utility Classes */
.costum-navbar {
    background-color: var(--color-primary) !important;
    padding-top: 10px;
    padding-bottom: 10px;
    box-shadow: var(--shadow-md);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.2rem;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .proyectos-grid {
        grid-template-columns: 1fr;
        padding: 0.5rem;
    }
    
    .proyecto-card:nth-child(n) {
        animation-delay: 0.1s;
    }
    
    .whatsapp-button {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
        bottom: 20px;
        right: 20px;
    }
}