/* ============================================
   CSS OPTIMIZADO PARA diariodemam.es
   Versión: 1.0.1
   ============================================ */

/* VARIABLES Y RESET */
:root {
    /* Color Palette - Black and Dark Gray */
    --primary-color: #000000;
    --secondary-color: #1a1a1a;
    --accent-color: #2c2c2c;
    --light-color: #f5f5f5;
    --dark-color: #121212;
    --text-color: #333333;
    --text-light: #666666;
    --border-color: #e0e0e0;
    
    /* Cookie banner colors */
    --cookie-bg: #1a1a1a;
    --cookie-text: #ffffff;
    --cookie-btn-accept-bg: #000000;
    --cookie-btn-accept-text: #ffffff;
    --cookie-btn-reject-bg: transparent;
    --cookie-btn-reject-text: #ffffff;
    --cookie-btn-reject-border: #666666;
    --cookie-btn-configure-bg: #333333;
    --cookie-btn-configure-text: #ffffff;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Merriweather', Georgia, serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --border-radius: 6px;
    --border-radius-lg: 10px;
    
    /* Shadows */
    --shadow-light: 0 2px 8px rgba(0,0,0,0.05);
    --shadow-medium: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-heavy: 0 8px 24px rgba(0,0,0,0.12);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
}

/* RESET */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #ffffff;
    overflow-x: hidden;
}

/* TYPOGRAPHY */
h1, h2, h3, h4 {
    font-family: var(--font-secondary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--text-light);
}

/* UTILITY CLASSES */
.highlight {
    color: var(--primary-color);
    font-weight: 600;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
    font-size: 1.1rem;
}

/* BUTTONS */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    font-family: var(--font-primary);
}

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

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

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

.btn-block {
    display: block;
    width: 100%;
}

/* Cookie banner buttons */
.btn-cookie-accept {
    background-color: var(--cookie-btn-accept-bg);
    color: var(--cookie-btn-accept-text);
    border-color: var(--cookie-btn-accept-bg);
}

.btn-cookie-accept:hover {
    background-color: #333333;
    border-color: #333333;
}

.btn-cookie-reject {
    background-color: var(--cookie-btn-reject-bg);
    color: var(--cookie-btn-reject-text);
    border-color: var(--cookie-btn-reject-border);
}

.btn-cookie-reject:hover {
    background-color: #333333;
    border-color: #ffffff;
    color: #ffffff;
}

.btn-cookie-configure {
    background-color: var(--cookie-btn-configure-bg);
    color: var(--cookie-btn-configure-text);
    border-color: var(--cookie-btn-configure-bg);
}

.btn-cookie-configure:hover {
    background-color: #4d4d4d;
    border-color: #4d4d4d;
}

/* HEADER */
.header {
    background-color: white;
    box-shadow: var(--shadow-light);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 0.5rem 0;
}

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

.logo h1 {
    font-size: 1.8rem;
    margin-bottom: 0;
}

.tagline {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 0;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    margin-bottom: 0;
}

.main-nav a {
    color: var(--text-color);
    font-weight: 500;
    padding: 0.5rem;
}

.main-nav a:hover {
    color: var(--primary-color);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 24px;
    position: relative;
    flex-direction: column;
    justify-content: space-between;
    padding: 0;
}

.mobile-menu-btn span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--primary-color);
    transition: var(--transition-normal);
    border-radius: 2px;
}

/* HERO */
.hero {
    padding: 120px 0 var(--spacing-xl);
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.hero-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.hero-text {
    flex: 1;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-light);
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xl);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
}

.hero-image {
    flex: 0 0 400px;
}

.image-container {
    width: 100%;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-heavy);
    position: relative;
}

.image-container::before {
    content: '';
    display: block;
    padding-top: 125%;
}

.image-container img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ABOUT */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
}

.expertise-list {
    list-style: none;
    padding-left: 0;
}

.expertise-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.expertise-list li::before {
    content: '✓';
    color: var(--primary-color);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.stat-card {
    background: var(--light-color);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-light);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.stat-text {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

/* SERVICES */
.services {
    background-color: var(--light-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: transform var(--transition-normal);
    text-align: center;
}

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

.service-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

/* CLIENTS */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.client-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    border-left: 4px solid var(--primary-color);
}

.client-name {
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.client-business {
    font-style: italic;
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

.client-services {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--spacing-md);
}

.service-tag {
    background: var(--light-color);
    color: var(--text-color);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* BOOKS */
.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.book-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    text-align: center;
}

.book-cover {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

/* CONTACT */
.contact {
    background: var(--light-color);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.contact-details {
    margin-top: var(--spacing-xl);
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
}

.detail-icon {
    font-size: 1.8rem;
    margin-right: var(--spacing-md);
    flex-shrink: 0;
}

.contact-form-container {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
}

.checkbox-group input {
    width: auto;
    margin-right: 0.5rem;
    margin-top: 0.25rem;
}

.checkbox-group label {
    margin-bottom: 0;
    font-size: 0.9rem;
    line-height: 1.4;
    color: var(--text-color);
}

.checkbox-group a {
    color: #000000;
    text-decoration: underline;
    font-weight: 600;
}

.checkbox-group a:hover {
    color: #333333;
}

.form-notice {
    margin-top: var(--spacing-md);
    font-size: 0.85rem;
    color: var(--text-light);
    text-align: center;
}

/* FOOTER */
.footer {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer h3,
.footer h4 {
    color: white;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

.footer-tagline {
    font-style: italic;
    margin-top: var(--spacing-md);
}

.legal-links {
    list-style: none;
    padding-left: 0;
}

.legal-links li {
    margin-bottom: 0.5rem;
}

.legal-link {
    color: rgba(255, 255, 255, 0.8);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-note {
    font-size: 0.8rem;
    margin-top: 0.5rem;
    font-style: italic;
}

/* COOKIE BANNER */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--cookie-bg);
    color: var(--cookie-text);
    padding: var(--spacing-md);
    z-index: 9999;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
}

.cookie-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.cookie-content p {
    flex: 1;
    margin-bottom: 0;
    min-width: 300px;
    color: rgba(255, 255, 255, 0.9);
}

.cookie-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* MODAL */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    z-index: 10000;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.modal-content {
    background: white;
    margin: 2rem auto;
    padding: var(--spacing-xl);
    width: 90%;
    max-width: 700px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-heavy);
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
    background: none;
    border: none;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.close-modal:hover {
    background: var(--light-color);
    color: var(--text-color);
}

.modal-text {
    line-height: 1.6;
}

.modal-text h3 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

/* COOKIE CONFIG */
.cookie-option {
    background: var(--light-color);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
}

.cookie-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.required {
    font-size: 0.8rem;
    color: var(--text-light);
    font-weight: normal;
}

.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #ccc;
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 4px;
    bottom: 4px;
    background: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background: var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(24px);
}

input:disabled + .slider {
    background: #95a5a6;
    cursor: not-allowed;
}

.cookie-details {
    margin-top: var(--spacing-sm);
    padding-left: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--text-light);
}

.cookie-details li {
    margin-bottom: 0.25rem;
}

.cookie-modal-buttons {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

/* RESPONSIVE */
@media (max-width: 992px) {
    .hero-content {
        flex-direction: column;
    }
    
    .hero-image {
        order: -1;
        width: 100%;
        max-width: 400px;
        margin: 0 auto var(--spacing-lg);
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 0.5rem 0;
    }
    
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        box-shadow: var(--shadow-medium);
        padding: var(--spacing-md);
    }
    
    .main-nav.active {
        display: block;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 0;
    }
    
    .main-nav li {
        margin-bottom: var(--spacing-md);
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
    
    .hero {
        padding-top: 100px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .services-grid,
    .clients-grid,
    .books-grid {
        grid-template-columns: 1fr;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-buttons {
        justify-content: center;
    }
    
    .modal-content {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-cta .btn {
        width: 100%;
        text-align: center;
    }
    
    .cookie-modal-buttons {
        flex-direction: column;
    }
    
    .cookie-modal-buttons .btn {
        width: 100%;
    }
}