/* Estils per al Projecte Espacio de Datos Forestales */

:root {
    --primary-green: #3c5b40;
    --secondary-green: #688a5a;
    --accent-green: #acc991;
    --accent-teal: #0ecac1;
    --accent-teal-dark: #0bb8b0;
    --background-beige: #fcf5e9;
    --text-dark: #3c5b40;
    --text-medium: #688a5a;
    --white: #ffffff;
    --shadow-light: rgba(60, 91, 64, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.1);
    --shadow-dark: rgba(0, 0, 0, 0.15);
    --radius-sm: 15px;
    --radius-md: 18px;
    --radius-lg: 20px;
    --radius-xl: 25px;
    --radius-full: 30px;
    --spacing-xs: 10px;
    --spacing-sm: 15px;
    --spacing-md: 20px;
    --spacing-lg: 25px;
    --spacing-xl: 30px;
    --spacing-2xl: 35px;
    --spacing-3xl: 40px;
    --spacing-4xl: 60px;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-beige);
    color: var(--text-dark);
    line-height: 1.6;
    padding: 20px;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 15px 40px var(--shadow-light);
    overflow: hidden;
}

header {
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
    color: var(--white);
    padding: 60px 40px;
    text-align: center;
    position: relative;
}

.header-content {
    max-width: 1000px;
    margin: 0 auto;
}

.header-text {
    text-align: center;
}

.back-button {
    position: absolute;
    top: 30px;
    right: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    text-decoration: none;
    padding: 12px 20px;
    border-radius: 25px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    z-index: 10;
}

.back-button:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.back-icon {
    font-size: 1.2rem;
    font-weight: bold;
}

.back-text {
    font-size: 0.9rem;
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 800;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.subtitle {
    font-size: 1.8rem;
    opacity: 0.95;
    margin-bottom: 15px;
    font-weight: 600;
}

.description {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

.main-content {
    padding: 60px 40px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 35px;
    margin-top: 50px;
}

.project-card {
    background: var(--white);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow-medium);
    transition: all 0.4s ease;
    border: 3px solid transparent;
    display: flex;
    flex-direction: column;
    height: fit-content;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px var(--shadow-dark);
    border-color: var(--accent-teal);
}

.project-header {
    background: linear-gradient(135deg, var(--accent-green), var(--secondary-green));
    color: var(--white);
    padding: 35px 30px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.project-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.project-subtitle {
    font-size: 1rem;
    opacity: 0.9;
    font-weight: 500;
}

.project-content {
    padding: 35px 30px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.project-link {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-teal), var(--accent-teal-dark));
    color: var(--white);
    text-decoration: none;
    padding: 18px 35px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    text-align: center;
    width: 100%;
    margin-top: auto;
    flex-shrink: 0;
    box-shadow: 0 5px 15px rgba(14, 202, 193, 0.2);
}

.project-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(14, 202, 193, 0.4);
    background: linear-gradient(135deg, var(--accent-teal-dark), var(--accent-teal));
}

footer {
    background: var(--primary-green);
    color: var(--white);
    text-align: center;
    padding: 40px;
    margin-top: 60px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 25px;
}

.footer-info h4 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--accent-green);
}

.footer-info p {
    opacity: 0.9;
    font-size: 0.95rem;
}

.footer-links {
    display: flex;
    gap: 25px;
}

.footer-links a {
    color: var(--accent-green);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 20px;
    background: rgba(172, 201, 145, 0.1);
}

.footer-links a:hover {
    color: var(--accent-teal);
    background: rgba(14, 202, 193, 0.1);
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: var(--spacing-sm);
    }
    
    .container {
        border-radius: var(--radius-sm);
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    header {
        padding: 40px 20px;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    .main-content {
        padding: 40px 20px;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .palette-section {
        padding: var(--spacing-lg);
    }
    
    .usage-examples {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2.4rem;
    }
    
    .subtitle {
        font-size: 1.3rem;
    }
    
    .description {
        font-size: 1rem;
    }
    
    .project-title {
        font-size: 1.6rem;
    }
    
    .project-link {
        padding: 16px 30px;
        font-size: 1rem;
    }
    
    .palette-grid {
        grid-template-columns: 1fr;
    }
    
    .example-grid {
        grid-template-columns: 1fr;
    }
}



/* ========================================
   PALETA DE COLORS
   ======================================== */
.palette-section {
    padding: var(--spacing-3xl);
}

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

.color-card {
    background: var(--white);
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.color-swatch {
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.color-swatch::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
}

.color-info {
    padding: var(--spacing-lg);
}

.color-name {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.color-hex {
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
    color: var(--text-medium);
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--background-beige);
    border-radius: 6px;
    display: inline-block;
}

.color-description {
    color: var(--text-dark);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* ========================================
   EXEMPLES D'ÚS
   ======================================== */
.usage-examples {
    background: var(--background-beige);
    padding: var(--spacing-3xl);
    margin-top: var(--spacing-3xl);
}

.usage-examples h2 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    font-size: 2rem;
}

.example-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.example-item {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    border-left: 4px solid;
}

.example-title {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.example-text {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ========================================
   UTILITATS
   ======================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }

.hidden { display: none; }
.visible { display: block; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

/* ========================================
   PALETA DE COLORS
   ======================================== */
.palette-section {
    padding: var(--spacing-3xl);
}

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

.color-card {
    background: var(--white);
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.color-swatch {
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.color-swatch::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
}

.color-info {
    padding: var(--spacing-lg);
}

.color-name {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.color-hex {
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
    color: var(--text-medium);
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--background-beige);
    border-radius: 6px;
    display: inline-block;
}

.color-description {
    color: var(--text-dark);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* ========================================
   EXEMPLES D'ÚS
   ======================================== */
.usage-examples {
    background: var(--background-beige);
    padding: var(--spacing-3xl);
    margin-top: var(--spacing-3xl);
}

.example-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.example-item {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    border-left: 4px solid;
}

.example-title {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.example-text {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ========================================
   ANIMACIONS I TRANSICIONS
   ======================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.slide-in {
    animation: slideIn 0.5s ease-out;
}

/* ========================================
   DOCUMENTACIÓ CSS
   ======================================== */
.documentation-content {
    max-width: 1000px;
    margin: 0 auto;
}

.doc-section {
    margin-bottom: 50px;
    padding: 30px;
    background: white;
    border-radius: 18px;
    box-shadow: 0 5px 20px rgba(60, 91, 64, 0.1);
}

.doc-section h2 {
    color: var(--primary-green);
    border-bottom: 3px solid var(--accent-teal);
    padding-bottom: 15px;
    margin-bottom: 25px;
}

.doc-section h3 {
    color: var(--secondary-green);
    margin-bottom: 15px;
    margin-top: 25px;
}

.doc-section p {
    margin-bottom: 20px;
    line-height: 1.7;
}

.doc-section code {
    background: var(--background-beige);
    padding: 4px 8px;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    color: var(--primary-green);
    font-weight: 600;
}

.doc-section pre {
    background: var(--background-beige);
    padding: 20px;
    border-radius: 10px;
    overflow-x: auto;
    margin: 20px 0;
    border-left: 4px solid var(--accent-teal);
}

.doc-section pre code {
    background: none;
    padding: 0;
    color: var(--text-dark);
}

/* Exemples de codi */
.code-example {
    background: var(--background-beige);
    padding: 25px;
    border-radius: 15px;
    margin: 25px 0;
    border: 2px solid rgba(60, 91, 64, 0.1);
}

.code-example h3 {
    margin-top: 0;
    color: var(--primary-green);
}

/* Grids d'exemples */
.color-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.color-item {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 15px;
}

.color-swatch {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    border: 2px solid white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    flex-shrink: 0;
}

.color-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.color-info strong {
    color: var(--primary-green);
    font-size: 0.9rem;
}

.color-info code {
    font-size: 0.85rem;
    background: white;
    padding: 3px 6px;
}

.color-info span {
    font-size: 0.8rem;
    color: var(--text-medium);
}

.spacing-grid, .radius-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.spacing-item, .radius-item {
    background: white;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.spacing-item strong, .radius-item strong {
    color: var(--primary-green);
    display: block;
    margin-bottom: 8px;
}

.spacing-item code, .radius-item code {
    background: var(--accent-teal);
    color: white;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.9rem;
}

/* Exemples de botons */
.button-examples {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin: 20px 0;
}

.button-examples .btn {
    min-width: 120px;
}

/* Exemples de targetes */
.card-examples {
    margin: 20px 0;
}

.card-examples .card {
    max-width: 300px;
    margin: 0 auto;
}

/* Exemples de grid */
.grid-examples {
    margin: 20px 0;
}

.grid-examples .grid {
    max-width: 400px;
    margin: 0 auto;
}

/* Exemples de layout */
.layout-examples {
    margin: 20px 0;
}

/* Grids d'utilitats */
.utility-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.utility-item {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.utility-item strong {
    color: var(--primary-green);
    display: block;
    margin-bottom: 10px;
}

/* Breakpoints */
.breakpoint-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.breakpoint-item {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.breakpoint-item strong {
    color: var(--accent-teal);
    display: block;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.breakpoint-item span {
    color: var(--text-medium);
    font-size: 0.9rem;
}

/* Llistes de característiques */
.feature-list {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.feature-list li {
    background: white;
    padding: 15px 20px;
    margin-bottom: 10px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border-left: 4px solid var(--accent-teal);
}

.feature-list li strong {
    color: var(--primary-green);
}

/* Exemples d'animacions */
.animation-examples, .keyframe-examples {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.animation-item, .keyframe-item {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.animation-item strong, .keyframe-item strong {
    color: var(--primary-green);
    display: block;
    margin-bottom: 10px;
}

.animation-item code, .keyframe-item code {
    background: var(--accent-teal);
    color: white;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.9rem;
}

.animation-item span, .keyframe-item span {
    color: var(--text-medium);
    font-size: 0.9rem;
    display: block;
    margin-top: 8px;
}

/* Exemples pràctics */
.example-layout {
    margin: 20px 0;
}

.form-example {
    margin: 20px 0;
}

.form-example input {
    border: 2px solid var(--accent-green);
    border-radius: 8px;
    padding: 10px;
    width: 100%;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-example input:focus {
    outline: none;
    border-color: var(--accent-teal);
}

.form-example label {
    color: var(--primary-green);
    font-weight: 600;
}

/* Responsive per a documentació */
@media (max-width: 768px) {
    .doc-section {
        padding: 20px;
        margin-bottom: 30px;
    }
    
    .color-grid, .spacing-grid, .radius-grid {
        grid-template-columns: 1fr;
    }
    
    .button-examples {
        flex-direction: column;
        align-items: center;
    }
    
    .button-examples .btn {
        width: 100%;
        max-width: 200px;
    }
    
    .utility-grid, .breakpoint-grid, .animation-examples, .keyframe-examples {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   ACCESSIBILITAT
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus visible per a navegació per teclat */
button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--accent-teal);
    outline-offset: 2px;
}

/* ========================================
   PRINT STYLES
   ======================================== */
@media print {
    * {
        background: transparent !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    .project-card {
        break-inside: avoid;
        page-break-inside: avoid;
    }
    
    .back-button {
        display: none;
    }
}

/* ========================================
   BOTONS DESHABILITATS
   ======================================== */
.project-link.disabled {
    background: linear-gradient(135deg, #cccccc, #999999) !important;
    color: #666666 !important;
    cursor: not-allowed !important;
    pointer-events: none !important;
    opacity: 0.6 !important;
    transform: none !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
}

.project-link.disabled:hover {
    transform: none !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
    background: linear-gradient(135deg, #cccccc, #999999) !important;
}

/* Estil per a targetes amb botons deshabilitats */
.project-card:has(.project-link.disabled) {
    opacity: 0.8;
}

.project-card:has(.project-link.disabled):hover {
    transform: none;
    border-color: transparent;
    box-shadow: 0 10px 30px var(--shadow-medium);
}