:root {
    --color-primary: #D2691E;
    --color-primary-dark: #A0522D;
    --color-secondary: #8FBC8F;
    --color-accent: #CD853F;
    --color-text: #2C2C2C;
    --color-text-light: #666;
    --color-background: #FEFEFE;
    --color-background-alt: #F8F6F0;
    --color-white: #FFFFFF;
    --color-border: #E8E8E8;
    
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.2);
    
    --border-radius: 8px;
    --border-radius-large: 16px;
    
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    color: var(--color-text);
    line-height: 1.6;
    background-color: var(--color-background);
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 0.5rem 1rem;
    text-decoration: none;
    border-radius: var(--border-radius);
}

.skip-link:focus {
    position: fixed;
    top: 1rem;
    left: 1rem;
    width: auto;
    height: auto;
    z-index: 10000;
}

.header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    box-shadow: var(--shadow-light);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
}

.nav-brand {
    flex-shrink: 0;
}

.brand-name {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-family: var(--font-primary);
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--color-primary);
    background-color: rgba(210, 105, 30, 0.1);
}

.nav-donate-btn {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    font-weight: 600;
}

.nav-donate-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text);
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    margin: 1rem auto 0;
    border-radius: 2px;
}

.hero {
    height: 100vh;
    min-height: 600px;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), 
                url('assets/centre-fandresena-2.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-white);
    position: relative;
}

.hero-content {
    max-width: 800px;
    padding: 0 2rem;
}

.hero-title {
    font-family: var(--font-primary);
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    font-weight: 300;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-family: var(--font-primary);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--border-radius-large);
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    box-shadow: var(--shadow-medium);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    border: 2px solid transparent;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

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

.about {
    padding: 6rem 0;
    background: var(--color-background);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

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

.lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--color-text-light);
}

.mission-list {
    list-style: none;
    text-align: left;
    max-width: 600px;
    margin: 2rem auto 0;
}

.mission-list li {
    position: relative;
    padding: 1rem 0 1rem 2rem;
    font-size: 1.1rem;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
}

.mission-list li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: bold;
    font-size: 1.2rem;
}

.mission-list li:last-child {
    border-bottom: none;
}

.gallery {
    padding: 6rem 0;
    background: var(--color-background-alt);
}

.gallery-grid {
    display: grid;
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.gallery-main {
    text-align: center;
}

.gallery-main-img {
    width: 100%;
    max-width: 600px;
    height: 400px;
    object-fit: cover;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-medium);
    background: var(--color-white);
    padding: 1rem;
}

.gallery-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 1rem;
}

.gallery-item {
    background: var(--color-white);
    border-radius: var(--border-radius-large);
    padding: 1rem;
    box-shadow: var(--shadow-light);
    text-align: center;
    transition: var(--transition);
}

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

.gallery-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

.gallery-caption {
    font-family: var(--font-primary);
    font-weight: 500;
    color: var(--color-text);
    font-size: 0.95rem;
    margin-top: 1rem;
}

.budget {
    padding: 6rem 0;
    background: var(--color-background);
}

.budget-content {
    display: grid;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.budget-context h3 {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.budget-context p {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    background: var(--color-white);
    padding: 2rem 1rem;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-light);
}

.stat-number {
    display: block;
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-weight: 500;
}

.budget-table h3 {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 2rem;
    text-align: center;
}

.budget-breakdown {
    width: 100%;
    background: var(--color-white);
    border-radius: var(--border-radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    border-collapse: collapse;
}

.budget-breakdown th {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 1.5rem 1rem;
    font-family: var(--font-primary);
    font-weight: 600;
    text-align: left;
}

.budget-breakdown td {
    padding: 1.25rem 1rem;
    border-bottom: 1px solid var(--color-border);
}

.budget-breakdown tr:hover {
    background: var(--color-background-alt);
}

.budget-breakdown .total {
    background: var(--color-background-alt);
}

.budget-breakdown .total td {
    font-weight: 600;
    border-bottom: none;
}

.donate {
    padding: 6rem 0;
    background: var(--color-background-alt);
}

.donate-content {
    max-width: 900px;
    margin: 0 auto;
}

.donate-info .lead {
    text-align: center;
    margin-bottom: 3rem;
}

.payment-methods {
    display: grid;
    gap: 3rem;
}

.payment-method-unified {
    background: var(--color-white);
    padding: 2.5rem;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-light);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.payment-left,
.payment-right {
    display: flex;
    flex-direction: column;
}

.payment-left h3,
.payment-right h3 {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.payment-method {
    background: var(--color-white);
    padding: 2.5rem;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-light);
}

.payment-method h3 {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.bank-details p {
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.bank-details strong {
    color: var(--color-text);
    font-weight: 600;
}

.qr-section {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    flex-wrap: wrap;
}

.qr-preview {
    text-align: center;
}

.qr-image {
    width: 200px;
    height: 200px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    object-fit: contain;
}

.qr-image:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-medium);
}

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

.qr-download .btn {
    box-shadow: var(--shadow-light);
}

.contact-donate {
    margin-top: 3rem;
    text-align: center;
    padding: 2rem;
    background: var(--color-background);
    border-radius: var(--border-radius-large);
    border-left: 4px solid var(--color-primary);
}

.contact-donate a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.contact-donate a:hover {
    text-decoration: underline;
}

.footer {
    background: var(--color-text);
    color: var(--color-white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.footer-section p {
    line-height: 1.8;
    color: #ccc;
}

.footer-section address {
    font-style: normal;
}

.footer-section a {
    color: var(--color-primary);
    text-decoration: none;
}

.footer-section a:hover {
    text-decoration: underline;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #444;
    color: #999;
}

.lightbox {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.lightbox-content {
    position: relative;
    margin: auto;
    display: block;
    width: 90%;
    max-width: 800px;
    max-height: 90%;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: var(--color-white);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    background: var(--color-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.lightbox-close:hover {
    background: var(--color-primary-dark);
}

.lightbox-image {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

/* Mobile-first navigation */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    padding: 0.75rem;
    cursor: pointer;
    width: 44px;
    height: 44px;
    justify-content: center;
    align-items: center;
    z-index: 1001;
    position: relative;
}

.nav-toggle-icon {
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition);
    position: relative;
    display: block;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
    content: '';
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition);
}

.nav-toggle-icon::before {
    top: -7px;
}

.nav-toggle-icon::after {
    top: 7px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon {
    background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before {
    transform: rotate(45deg);
    top: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
    transform: rotate(-45deg);
    top: 0;
}

@media (max-width: 768px) {
    .nav {
        padding: 1rem;
        position: relative;
        justify-content: space-between;
        align-items: center;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-brand {
        flex: 1;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 999;
        list-style: none;
    }
    
    .nav-menu.nav-open {
        transform: translateX(0);
    }
    
    .nav-menu li {
        opacity: 0;
        animation: fadeInUp 0.3s ease forwards;
    }
    
    .nav-menu.nav-open li {
        animation-delay: calc(var(--item-index, 0) * 0.1s);
    }
    
    .nav-link {
        font-size: 1.2rem;
        padding: 1rem 2rem;
    }
    
    .nav-donate-btn {
        font-size: 1.1rem;
        padding: 1rem 2rem;
    }
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
    from {
        opacity: 0;
        transform: translateY(20px);
    }
}
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .gallery-row {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .budget-breakdown {
        font-size: 0.9rem;
    }
    
    .budget-breakdown th,
    .budget-breakdown td {
        padding: 1rem 0.5rem;
    }
    
    .payment-method-unified {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .qr-section {
        flex-direction: column;
        text-align: center;
    }
    
    .payment-method {
        padding: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .mission-list li {
        font-size: 1rem;
    }
}