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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 120px;
}

body {
    font-family: 'Source Serif Pro', serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.7)),
                url('fondo-marmol.jpg');
    background-size: cover;
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    width: 500px;
    height: 110px;
    object-fit: contain;
    transition: opacity 0.3s ease;
    vertical-align: text-bottom;
}

.logo-img:hover {
    opacity: 0.8;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: flex-end;
    padding-bottom: 0.5rem;
}

.nav-menu a {
    text-decoration: none;
    color: #666;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: #4a4a4a;
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: #2c2c2c;
}

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

/* Contenido principal */
.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 140px;
    padding: 2rem;
}

.hero-section {
    text-align: center;
    max-width: 810px;
}

.hero-content {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(15px);
    padding: 4rem 3rem;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.15);
}

.hero-title {
    font-family: 'Marcellus', serif;
    font-size: 2rem;
    color: #2c2c2c;
    margin-bottom: 1rem;
    font-weight: 400;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-description {
    margin-bottom: 2rem;
}

.hero-description p {
    font-size: 1.2rem;
    color: #555;
    line-height: 1.7;
    text-align: justify;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

/* Sección de contacto */
.contact-section {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 3rem 2rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

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

.contact-container h3 {
    font-family: 'Marcellus', serif;
    text-align: center;
    color: #2c2c2c;
    font-size: 2.2rem;
    margin-bottom: 2rem;
    font-weight: 400;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1080px;
    margin: 0 auto;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 10px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.contact-item strong {
    color: #4a4a4a;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-item span {
    color: #666;
    font-size: 1.1rem;
}

/* Sección de aviso de privacidad */
.privacy-section {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 4rem 2rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.privacy-container {
    max-width: 800px;
    margin: 0 auto;
}

.privacy-container h3 {
    font-family: 'Marcellus', serif;
    text-align: center;
    color: #2c2c2c;
    font-size: 1.8rem;
    margin-bottom: 2rem;
    font-weight: 400;
}

.privacy-content {
    background: rgba(255, 255, 255, 0.6);
    padding: 3rem;
    border-radius: 15px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    text-align: center;
}

.privacy-intro {
    color: #555;
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 3rem;
    text-align: center;
}

.pdf-downloads {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
}

.pdf-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #4a4a4a, #2c2c2c);
    color: white;
    text-decoration: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    min-width: 300px;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.pdf-download-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.pdf-download-btn:hover::before {
    left: 100%;
}

.pdf-download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, #555, #333);
}

.pdf-icon {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

/* Footer */
.footer {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    padding: 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

.footer-links a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #2c2c2c;
}

.footer-copyright p {
    color: #999;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: 1.5rem;
        padding: 1rem;
        align-items: center;
    }
    
    .logo-img {
        width: 250px;
        height: 50px;
    }
    
    .nav-menu {
        gap: 1rem;
        padding-bottom: 0;
    }
    
    .main-content {
        margin-top: 160px;
        padding: 1rem;
    }
    
    .hero-content {
        padding: 2rem 1.5rem;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .hero-description {
        margin-bottom: 1.5rem;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .footer-content {
        text-align: center;
    }

    .pdf-download-btn {
        min-width: 280px;
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .privacy-content {
        padding: 2rem 1.5rem;
    }
}