/* --- Variables y Reset --- */
:root {
    --bg-color: #ffffff;
    --text-color: #1a1a1a;
    --text-muted: #666666;
    --accent-color: #000000;
    --highlight-color: #4f46e5;
    --light-gray: #f9f9f9;
    --border-color: #e5e5e5;
    --font-main: 'Montserrat', sans-serif;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: inherit;
}

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

/* --- Botones --- */
.btn {
    display: inline-block;
    padding: 12px 30px;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 4px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #fff;
}

.btn-primary:hover {
    background-color: #333;
}

.btn-secondary {
    background-color: transparent;
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
}

.btn-secondary:hover {
    background-color: var(--light-gray);
}

.btn-block {
    width: 100%;
    text-align: center;
}

.btn-sm {
    padding: 8px 24px;
    font-size: 0.8rem;
    margin-top: 15px;
    border-width: 1.5px;
}

/* --- Header & Navbar --- */
.navbar {
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    z-index: 1000;
}

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

.logo-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 55px;
    height: 55px;
    overflow: hidden;
    border-radius: 4px;
}

.nav-logo {
    width: 100%;
    height: 100%;
    object-fit: contain; 
    transition: var(--transition);
}

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

.nav-links a {
    margin-left: 30px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--text-muted);
}

.nav-links .btn-nav {
    border: 1px solid var(--accent-color);
    padding: 8px 18px;
    border-radius: 4px;
}

.nav-links .btn-nav:hover {
    background: var(--accent-color);
    color: #fff;
}

/* --- Hero Section --- */
.hero {
    padding: 120px 0 90px 0;
    text-align: center;
    background: radial-gradient(circle at bottom, #fcfcfc, #ffffff);
}

.hero-content h1 {
    font-size: 2.8rem;
    font-weight: 300;
    line-height: 1.2;
    margin-bottom: 20px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-content h1 strong {
    font-weight: 700;
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 40px auto;
}

.hero-actions .btn {
    margin: 0 10px;
}

/* --- Servicios --- */
.services-section {
    padding: 80px 0;
    background-color: var(--light-gray);
}

.section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 50px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: #fff;
    padding: 40px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.service-icon {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--accent-color);
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.service-card.highlighted {
    border: 2px solid var(--highlight-color);
    background: linear-gradient(145deg, #ffffff, #f5f3ff);
}

.service-card.highlighted .service-icon {
    color: var(--highlight-color);
}

.service-card .badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: var(--highlight-color);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    text-transform: uppercase;
}

/* --- Portafolio --- */
.portfolio-section {
    padding: 100px 0;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-top: -40px;
    margin-bottom: 50px;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 20px;
}

.portfolio-item {
    background-color: var(--light-gray);
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
    filter: grayscale(20%);
}

.portfolio-item:hover img {
    transform: scale(1.05);
    filter: grayscale(0%);
}

/* --- Contacto --- */
.contact-section {
    padding: 100px 0;
    background-color: var(--light-gray);
    border-top: 1px solid var(--border-color);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.contact-text h2 {
    font-size: 2.3rem;
    margin-bottom: 20px;
}

.contact-text p {
    color: var(--text-muted);
    font-size: 1.05rem;
}

.contact-form {
    background: #fff;
    padding: 40px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0,0,0,0.02);
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: var(--font-main);
    font-size: 0.95rem;
    transition: var(--transition);
}

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

/* --- Footer --- */
.footer {
    background-color: #111111;
    color: #ffffff;
    padding: 60px 0 20px 0;
    font-size: 0.9rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    border-bottom: 1px solid #222;
    padding-bottom: 40px;
}

.footer-info h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.footer-info p {
    color: #888;
}

.footer-contact h4,
.footer-socials h4 {
    font-size: 1rem;
    margin-bottom: 15px;
    color: #fff;
    font-weight: 600;
}

.footer-contact p {
    color: #888;
    margin-bottom: 8px;
}

.footer-contact a:hover {
    color: #fff;
}

.social-links a {
    display: block;
    color: #888;
    margin-bottom: 8px;
    transition: var(--transition);
}

.social-links a:hover {
    color: #fff;
    transform: translateX(3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    color: #555;
    font-size: 0.8rem;
}

.footer-logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 65px;
    height: 65px;
    overflow: hidden;
    border-radius: 4px;
    margin-bottom: 20px;
}

.footer-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: var(--transition);
}

/* --- Modal Interactivo --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    visibility: hidden;
    opacity: 0;
    transition: visibility 0s, opacity 0.3s ease-in-out;
}

.show-modal {
    visibility: visible;
    opacity: 1;
}

.modal-content {
    position: relative;
    background-color: var(--bg-color);
    padding: 10px;
    border-radius: 8px;
    max-width: 900px;
    width: 90%;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
    transform: scale(0.95);
    transition: transform 0.3s ease-in-out;
}

.show-modal .modal-content {
    transform: scale(1);
}

.modal-img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    display: block;
}

.close-modal {
    position: absolute;
    top: -40px;
    right: 0;
    color: #ffffff;
    font-size: 2rem;
    font-weight: 300;
    cursor: pointer;
    transition: var(--transition);
}

.close-modal:hover {
    transform: scale(1.1);
    color: var(--border-color);
}


/* ==========================================================================
   ESTILOS RESPONSIVOS & MÓVIL (Media Queries)
   ========================================================================== */

.menu-toggle, .menu-barras {
    display: none;
}

@media (max-width: 768px) {
    
    .navbar {
        padding: 15px 0;
    }

    .menu-barras {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 24px;
        height: 18px;
        cursor: pointer;
        z-index: 1010;
    }

    .menu-barras span {
        width: 100%;
        height: 2px;
        background-color: var(--text-color);
        transition: var(--transition);
        border-radius: 2px;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 300px;
        height: 100vh;
        background-color: #ffffff;
        box-shadow: -10px 0 30px rgba(0,0,0,0.05);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 30px;
        transition: right 0.4s ease-in-out;
        z-index: 1005;
    }

    .nav-links a {
        margin: 0;
        font-size: 1.1rem;
    }

    .menu-toggle:checked ~ .nav-links {
        right: 0;
    }

    .menu-toggle:checked ~ .menu-barras span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .menu-toggle:checked ~ .menu-barras span:nth-child(2) {
        opacity: 0;
    }
    .menu-toggle:checked ~ .menu-barras span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero {
        padding: 80px 0 60px 0;
    }

    .hero-content h1 {
        font-size: 1.9rem;
        line-height: 1.3;
    }

    .hero-content p {
        font-size: 1rem;
        margin-bottom: 30px;
    }

    .hero-actions {
        display: flex;
        flex-direction: column;
        gap: 15px;
        padding: 0 20px;
    }

    .hero-actions .btn {
        margin: 0;
        width: 100%;
    }

    .services-section, .portfolio-section, .contact-section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 1.6rem;
        margin-bottom: 35px;
    }

    .portfolio-grid {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: 12px;
    }

    .contact-container {
        grid-template-columns: 1fr;
        gap: 35px;
        text-align: center;
    }

    .contact-form {
        padding: 25px 20px;
        text-align: left;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .footer-logo-container {
        margin: 0 auto 20px auto;
    }

    .social-links a {
        display: inline-block;
        margin: 0 10px;
    }

    .close-modal {
        top: -35px;
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}