/* Variables CSS - Estudio de Arquitectura */
:root {
    --color-primary: #0a0a0a;
    --color-secondary: #1a1a1a;
    --color-accent: #00bcd4;
    --color-gold: #ffd700;
    --color-text: #ffffff;
    --color-text-light: #b0b0b0;
    --color-text-muted: #808080;
    --color-white: #ffffff;
    --color-bg-light: #2a2a2a;
    --color-bg-dark: #141414;
    --color-bg-section: #1e1e1e;
    
    --font-primary: 'Montserrat', sans-serif;
    --font-display: 'Playfair Display', serif;
    
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.4);
    --shadow-strong: 0 15px 35px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(0, 188, 212, 0.3);
    
    --radius: 8px;
    --radius-large: 16px;
    
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg-dark);
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navegación Minimalista */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(20, 20, 20, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-accent);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.8);
    z-index: 1000;
    transition: var(--transition);
}

/* Efecto al hacer scroll */
.navbar.scrolled {
    background: rgba(10, 10, 10, 0.99);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.9), 0 0 20px rgba(0, 188, 212, 0.1);
    border-bottom: 2px solid var(--color-accent);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--color-accent);
    letter-spacing: -0.02em;
    text-shadow: 0 0 10px rgba(0, 188, 212, 0.3);
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: -0.25rem;
    opacity: 0.8;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 3rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--color-white);
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: var(--transition);
    position: relative;
    opacity: 0.9;
}

.nav-link:hover {
    color: var(--color-accent);
    opacity: 1;
    text-shadow: 0 0 8px rgba(0, 188, 212, 0.4);
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-white);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section - Layout Arquitectónico Dinámico */
.hero {
    min-height: 100vh;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 400px;
    grid-template-rows: 1fr 200px;
    gap: 2rem;
    min-height: calc(100vh - 80px);
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    grid-template-areas: 
        "main-image content gallery"
        "stats stats stats";
}

.hero-main-image {
    grid-area: main-image;
    position: relative;
    border-radius: var(--radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-strong);
}

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

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.3), rgba(255, 107, 53, 0.2));
}

.hero-content {
    grid-area: content;
    /*display: flex;*/
    align-items: center;
    padding: 3rem 0;
}

.hero-text {
    animation: slideInUp 1s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 600;
    line-height: 1.1;
    margin: 4rem 0 2rem 0;
    color: var(--color-white);
}

.highlight {
    color: var(--color-accent);
    font-style: italic;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 3rem;
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
}

.btn-primary, .btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.9rem;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-primary);
    box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
    background: var(--color-gold);
    color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-strong);
}

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

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

.hero-gallery {
    grid-area: gallery;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    height: 100%;
}

.gallery-item {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    flex: 1;
    min-height: 150px;
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-medium);
}

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

.floating-stats {
    grid-area: stats;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    margin-top: 2rem;
    padding: 2rem 0;
    background: rgba(0, 188, 212, 0.05);
    border-radius: var(--radius-large);
    border: 1px solid rgba(0, 188, 212, 0.2);
}

.stat-card {
    background: rgba(42, 42, 42, 0.9);
    backdrop-filter: blur(20px);
    padding: 2rem;
    border-radius: var(--radius-large);
    text-align: center;
    box-shadow: var(--shadow-light), var(--shadow-glow);
    transition: var(--transition);
    border: 1px solid rgba(0, 188, 212, 0.3);
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-accent);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.scroll-indicator {
    position: absolute;
    bottom: 30rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: var(--color-text-light);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

.scroll-line {
    width: 2px;
    height: 30px;
    background: var(--color-accent);
}

.scroll-indicator span {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Secciones Generales */
.proyectos, .servicios, .estudio, .contacto {
    padding: 6rem 0;
}

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

.servicios {
    background: var(--color-bg-dark);
}

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

.contacto {
    background: var(--color-bg-dark);
}

.section-header {
    display: flex;
    align-items: flex-start;
    gap: 3rem;
    margin-bottom: 4rem;
}

.section-number {
    font-size: 6rem;
    font-weight: 900;
    color: var(--color-secondary);
    line-height: 1;
    text-shadow: 2px 2px 0 var(--color-accent);
}

.section-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-text-light);
    line-height: 1.6;
    max-width: 600px;
}

/* Proyectos - Layout Masonry */
.projects-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
    padding: 0 1rem;
}

.filter-btn {
    background: transparent;
    border: 2px solid var(--color-text-light);
    color: var(--color-text-light);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    font-size: 0.875rem;
    white-space: nowrap;
    min-width: fit-content;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: white;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    grid-auto-rows: 350px;
    grid-auto-flow: dense;
}

.project-item {
    border-radius: var(--radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    position: relative;
}

.project-item.large {
    grid-row: span 2;
}

.project-item.wide {
    grid-column: span 2;
}

/* Layout dinámico - sin posiciones fijas */

.project-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-strong), var(--shadow-glow);
}

.project-image {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

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

.project-item:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 2rem;
    transform: translateY(100%);
    transition: var(--transition);
}

.project-item:hover .project-overlay {
    transform: translateY(0);
}

.project-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.project-info p {
    font-size: 0.875rem;
    opacity: 0.8;
    margin-bottom: 1rem;
}

.project-area {
    background: var(--color-accent);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

/* Servicios - Layout Diagonal */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--color-bg-light);
    padding: 3rem 2rem;
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    position: relative;
    border-top: 4px solid transparent;
    color: var(--color-text);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-strong), var(--shadow-glow);
    border-top-color: var(--color-accent);
}

.service-card.featured {
    background: var(--color-secondary);
    color: white;
    transform: scale(1.05);
    border: 1px solid var(--color-accent);
}

.featured-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--color-accent);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-medium);
}

.service-card.featured .service-icon {
    background: var(--color-gold);
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.service-card p {
    margin-bottom: 2rem;
    line-height: 1.6;
    opacity: 0.9;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.875rem;
}

.service-features li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

.service-card.featured .service-features li::before {
    color: var(--color-gold);
}

/* Estudio - Layout Asimétrico */
.estudio-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: start;
}

.estudio-description {
    font-size: 1.125rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 3rem;
}

.philosophy {
    background: var(--color-secondary);
    color: white;
    padding: 2rem;
    border-radius: var(--radius-large);
    margin-bottom: 3rem;
    border: 1px solid var(--color-accent);
}

.philosophy h3 {
    margin-bottom: 1rem;
    color: var(--color-accent);
}

.philosophy blockquote {
    font-style: italic;
    font-size: 1.125rem;
    line-height: 1.6;
}

.team-info h3 {
    margin-bottom: 2rem;
    color: var(--color-white);
}

.team-stats {
    display: flex;
    gap: 2rem;
}

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

.team-stat .stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-accent);
    line-height: 1;
}

.team-stat .stat-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
    text-transform: uppercase;
}

.estudio-visual {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.main-image {
    border-radius: var(--radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-strong);
}

.main-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.awards {
    background: var(--color-bg-light);
    padding: 2rem;
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-light);
    color: var(--color-text);
}

.awards h4 {
    margin-bottom: 1.5rem;
    color: var(--color-white);
}

.award-item {
    display: flex;
    gap: 1rem;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-secondary);
}

.award-item:last-child {
    border-bottom: none;
}

.award-item i {
    color: var(--color-gold);
    font-size: 1.5rem;
}

.award-item h5 {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.award-item p {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* Contacto */
.contacto-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: grid;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: center;
    padding: 2rem;
    background: var(--color-bg-light);
    border-radius: var(--radius-large);
    transition: var(--transition);
    color: var(--color-text);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium), var(--shadow-glow);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.contact-details h4 {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.contact-details p {
    color: var(--color-text-light);
    line-height: 1.5;
}

.contact-form {
    background: var(--color-secondary);
    padding: 3rem;
    border-radius: var(--radius-large);
    color: white;
    border: 1px solid var(--color-accent);
}

.project-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-family: var(--font-primary);
    transition: var(--transition);
}

/* Estilos específicos para el select y sus opciones */
.form-group select {
    background: rgba(42, 42, 42, 0.95);
    color: white;
    cursor: pointer;
}

.form-group select option {
    background: var(--color-secondary);
    color: white;
    padding: 0.5rem;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.15);
}

.btn-submit {
    background: var(--color-accent);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-submit:hover {
    background: var(--color-gold);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* Footer */
.footer {
    background: var(--color-primary);
    color: white;
    padding: 3rem 0 1rem;
    border-top: 1px solid var(--color-accent);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo {
    margin-bottom: 1rem;
}

.footer-main p {
    opacity: 0.8;
    line-height: 1.6;
    margin-bottom: 2rem;
}

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

.social-links a {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--color-accent);
    transform: translateY(-2px);
}

.footer-services h4,
.footer-projects h4,
.footer-contact h4 {
    margin-bottom: 1rem;
    color: var(--color-accent);
}

.footer-services ul,
.footer-projects ul {
    list-style: none;
}

.footer-services li,
.footer-projects li {
    margin-bottom: 0.5rem;
}

.footer-services a,
.footer-projects a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-services a:hover,
.footer-projects a:hover {
    opacity: 1;
    color: var(--color-accent);
}

.footer-contact p {
    margin-bottom: 0.5rem;
    opacity: 0.8;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-contact i {
    color: var(--color-accent);
    width: 20px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    opacity: 0.6;
    margin-bottom: 0.5rem;
}

.disclaimer {
    font-style: italic;
    opacity: 0.5;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto auto;
        grid-template-areas: 
            "main-image"
            "content"
            "gallery"
            "stats";
    }
    
    .hero-gallery {
        flex-direction: row;
        height: auto;
        gap: 1rem;
    }
    
    .gallery-item {
        flex: 1;
        min-height: 200px;
    }
    
    .floating-stats {
        margin-top: 1rem;
        padding: 1.5rem 0;
    }
    
    .section-header {
        flex-direction: column;
        gap: 1rem;
    }
    
    .section-number {
        font-size: 4rem;
    }
    
    .estudio-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contacto-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 900px) and (min-width: 769px) {
    .projects-filter {
        gap: 0.75rem;
        margin-bottom: 2rem;
    }
    
    .filter-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.8rem;
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        grid-auto-rows: 300px;
    }
}

@media (max-width: 768px) {
    .projects-filter {
        gap: 0.5rem;
        margin-bottom: 2rem;
        padding: 0 0.5rem;
    }
    
    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
        flex: 1;
        min-width: auto;
        max-width: calc(50% - 0.25rem);
    }
    .container {
        padding: 0 1rem;
    }
    
    .nav-container {
        padding: 1rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .floating-stats {
        flex-direction: column;
        gap: 1rem;
        margin-top: 1rem;
        padding: 1rem 0;
    }
    
    .stat-card {
        padding: 1.5rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 300px;
    }
    
    .project-item.large,
    .project-item.wide {
        grid-column: 1;
        grid-row: auto;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .team-stats {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

/* Media query para pantallas muy pequeñas */
@media (max-width: 480px) {
    .projects-filter {
        gap: 0.25rem;
        margin-bottom: 1.5rem;
        padding: 0 0.25rem;
    }
    
    .filter-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.7rem;
        letter-spacing: 0.02em;
        border-width: 1px;
    }
}