/* ===================================
   Patrimonio Entre Líneas - CSS Principal
   Conservación Cultural España
   =================================== */

/* === IMPORTS === */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700;900&family=Crimson+Pro:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* === ROOT VARIABLES === */
:root {
    /* Paleta de Colores */
    --color-sepia: #8D6E63;
    --color-azul-digital: #1976D2;
    --color-dorado: #FFB300;
    --color-verde-conservacion: #43A047;
    --color-crema: #FFF8E1;
    --color-blanco: #FFFFFF;
    --color-gris-oscuro: #424242;
    --color-gris-claro: #F5F5F5;
    --color-negro: #212121;
    
    /* Tipografía */
    --font-titulo: 'Playfair Display', serif;
    --font-cuerpo: 'Crimson Pro', serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Tamaños */
    --size-title: 46px;
    --size-subtitle: 32px;
    --size-body: 18px;
    --size-caption: 14px;
    --line-height: 1.85;
    
    /* Anchos de Bloques */
    --width-wide: 1200px;
    --width-medium: 920px;
    --width-compact: 720px;
    
    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: var(--font-cuerpo);
    font-size: var(--size-body);
    line-height: var(--line-height);
    color: var(--color-negro);
    background-color: var(--color-crema);
    overflow-x: hidden;
}

/* === TIPOGRAFÍA === */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-titulo);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--color-sepia);
}

h1 {
    font-size: var(--size-title);
    font-weight: 900;
}

h2 {
    font-size: var(--size-subtitle);
}

h3 {
    font-size: 26px;
}

p {
    margin-bottom: 1.2rem;
}

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

a:hover {
    color: var(--color-dorado);
}

/* === HEADER === */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(135deg, var(--color-sepia) 0%, var(--color-azul-digital) 100%);
    padding: 1.2rem 2rem;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.header-content {
    max-width: var(--width-wide);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: var(--color-dorado);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: var(--shadow-sm);
}

.logo h1 {
    font-size: 24px;
    color: var(--color-blanco);
    margin: 0;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav a {
    color: var(--color-blanco);
    font-size: 16px;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: var(--transition-normal);
}

nav a:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-dorado);
}

/* === HERO SECTIONS === */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-sepia) 0%, var(--color-azul-digital) 100%);
    padding: 8rem 2rem 4rem;
}

.hero-content {
    max-width: var(--width-wide);
    text-align: center;
    color: var(--color-blanco);
    z-index: 2;
}

.hero h1 {
    font-size: 56px;
    color: var(--color-blanco);
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 22px;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-3d {
    margin: 2rem auto;
    width: 400px;
    height: 400px;
    position: relative;
}

.object-3d {
    width: 100%;
    height: 100%;
    animation: rotate3d 20s infinite linear;
}

@keyframes rotate3d {
    from { transform: rotateY(0deg) rotateX(10deg); }
    to { transform: rotateY(360deg) rotateX(10deg); }
}

/* === SECTIONS === */
section {
    padding: 5rem 2rem;
}

.section-wide {
    max-width: var(--width-wide);
    margin: 0 auto;
}

.section-medium {
    max-width: var(--width-medium);
    margin: 0 auto;
}

.section-compact {
    max-width: var(--width-compact);
    margin: 0 auto;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 42px;
    color: var(--color-sepia);
    margin-bottom: 1rem;
}

.section-title .label {
    font-family: var(--font-mono);
    font-size: var(--size-caption);
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-dorado);
    margin-bottom: 0.5rem;
    display: block;
}

/* === GRIDS === */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

/* === CARDS === */
.card {
    background: var(--color-blanco);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-dorado);
}

.card-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--color-sepia), var(--color-azul-digital));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--color-blanco);
    margin-bottom: 1.5rem;
}

.card h3 {
    color: var(--color-azul-digital);
    margin-bottom: 1rem;
}

.card p {
    color: var(--color-gris-oscuro);
    font-size: 17px;
}

/* === CAROUSEL === */
.carousel {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
}

.carousel-track {
    display: flex;
    transition: transform var(--transition-slow);
}

.carousel-item {
    min-width: 100%;
    padding: 2rem;
}

.carousel-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.carousel-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    background: var(--color-azul-digital);
    color: var(--color-blanco);
    font-size: 20px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.carousel-btn:hover {
    background: var(--color-dorado);
    transform: scale(1.1);
}

/* === BUTTONS === */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 17px;
    font-weight: 600;
    font-family: var(--font-cuerpo);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-azul-digital), var(--color-sepia));
    color: var(--color-blanco);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--color-dorado);
    color: var(--color-negro);
}

.btn-secondary:hover {
    background: var(--color-verde-conservacion);
    color: var(--color-blanco);
}

/* === GALLERY === */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4/3;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-normal);
}

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

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 1.5rem;
    color: var(--color-blanco);
    transform: translateY(100%);
    transition: var(--transition-normal);
}

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

/* === TABS === */
.tabs {
    margin: 3rem 0;
}

.tab-buttons {
    display: flex;
    gap: 1rem;
    border-bottom: 3px solid var(--color-gris-claro);
    margin-bottom: 2rem;
}

.tab-btn {
    padding: 1rem 2rem;
    background: transparent;
    border: none;
    font-size: 17px;
    font-family: var(--font-cuerpo);
    font-weight: 600;
    color: var(--color-gris-oscuro);
    cursor: pointer;
    position: relative;
    transition: var(--transition-fast);
}

.tab-btn.active {
    color: var(--color-azul-digital);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-dorado);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* === TIMELINE === */
.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--color-sepia), var(--color-azul-digital));
}

.timeline-item {
    display: flex;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-content {
    width: 45%;
    background: var(--color-blanco);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.timeline-marker {
    width: 20px;
    height: 20px;
    background: var(--color-dorado);
    border-radius: 50%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 0 4px var(--color-crema);
}

/* === STATS === */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.stat-box {
    text-align: center;
    padding: 2rem;
    background: var(--color-blanco);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.stat-number {
    font-size: 48px;
    font-weight: 900;
    font-family: var(--font-titulo);
    color: var(--color-azul-digital);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-family: var(--font-mono);
    font-size: var(--size-caption);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-gris-oscuro);
}

/* === FORMS === */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-family: var(--font-mono);
    font-size: var(--size-caption);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-sepia);
    margin-bottom: 0.5rem;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--color-gris-claro);
    border-radius: 8px;
    font-family: var(--font-cuerpo);
    font-size: 16px;
    transition: var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-azul-digital);
    box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 150px;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.form-checkbox input {
    width: 20px;
    height: 20px;
}

/* === FOOTER === */
footer {
    background: linear-gradient(135deg, var(--color-sepia) 0%, var(--color-azul-digital) 100%);
    color: var(--color-blanco);
    padding: 4rem 2rem 2rem;
}

.footer-content {
    max-width: var(--width-wide);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--color-blanco);
    margin-bottom: 1.5rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: var(--color-crema);
    opacity: 0.9;
}

.footer-section a:hover {
    color: var(--color-dorado);
    opacity: 1;
}

.footer-bottom {
    max-width: var(--width-wide);
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    font-size: 15px;
    opacity: 0.8;
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    :root {
        --size-title: 38px;
        --size-subtitle: 28px;
        --size-body: 17px;
    }
    
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    nav ul {
        gap: 1rem;
    }
    
    nav a {
        font-size: 15px;
    }
}

@media (max-width: 768px) {
    :root {
        --size-title: 32px;
        --size-subtitle: 24px;
        --size-body: 16px;
    }
    
    header {
        padding: 1rem;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero {
        min-height: 70vh;
        padding: 6rem 1rem 3rem;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero-3d {
        width: 300px;
        height: 300px;
    }
    
    section {
        padding: 3rem 1rem;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        padding-left: 50px;
    }
    
    .timeline-content {
        width: 100%;
    }
    
    .timeline-marker {
        left: 20px;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 18px;
    }
    
    .logo-icon {
        width: 40px;
        height: 40px;
        font-size: 22px;
    }
    
    nav ul {
        gap: 0.5rem;
    }
    
    nav a {
        padding: 0.4rem 0.8rem;
        font-size: 14px;
    }
    
    .hero h1 {
        font-size: 28px;
    }
    
    .hero p {
        font-size: 18px;
    }
}

/* === UTILIDADES === */
.text-center {
    text-align: center;
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-sepia), var(--color-azul-digital));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

.highlight {
    background: var(--color-dorado);
    color: var(--color-negro);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: var(--color-verde-conservacion);
    color: var(--color-blanco);
    border-radius: 20px;
    font-size: var(--size-caption);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* === COOKIE BANNER === */
#cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--color-sepia) 0%, var(--color-azul-digital) 100%);
    color: var(--color-blanco);
    padding: 1.5rem 2rem;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    z-index: 10000;
    display: none;
    animation: slideUp 0.4s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideDown {
    from {
        transform: translateY(0);
        opacity: 1;
    }
    to {
        transform: translateY(100%);
        opacity: 0;
    }
}

#cookie-banner.show {
    display: block;
}

.cookie-content {
    max-width: var(--width-wide);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.cookie-text {
    flex: 1;
}

.cookie-text h3 {
    color: var(--color-blanco);
    margin-bottom: 0.5rem;
    font-size: 20px;
}

.cookie-text p {
    margin: 0;
    opacity: 0.95;
    font-size: 15px;
}

.cookie-text a {
    color: var(--color-dorado);
    text-decoration: underline;
}

.cookie-buttons {
    display: flex;
    gap: 1rem;
    flex-shrink: 0;
}

.cookie-btn {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-family: var(--font-cuerpo);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.cookie-btn-accept {
    background: var(--color-dorado);
    color: var(--color-negro);
}

.cookie-btn-accept:hover {
    background: var(--color-verde-conservacion);
    color: var(--color-blanco);
    transform: translateY(-2px);
}

.cookie-btn-reject {
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-blanco);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.cookie-btn-reject:hover {
    background: rgba(255, 255, 255, 0.3);
}

@media (max-width: 768px) {
    .cookie-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .cookie-buttons {
        width: 100%;
        flex-direction: column;
    }
    
    .cookie-btn {
        width: 100%;
    }
}