/* ===============================================
   FANDRESENA - Site web one-page
   =============================================== */

/* === VARIABLES CSS === */
:root {
    --color-primary: #2eaa6d;
    --color-primary-dark: #1e8454;
    --color-primary-light: #4bc98a;
    --color-white: #ffffff;
    --color-black: #1a1a1a;
    --color-gray-light: #f5f5f5;
    --color-gray-medium: #666666;
    --color-gray-dark: #333333;

    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;

    --transition: all 0.3s ease;
    --border-radius: 8px;
    --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

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

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

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

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

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

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

a:hover {
    color: var(--color-primary-dark);
}

strong {
    font-weight: 600;
}

em {
    font-style: italic;
}

/* === LAYOUT === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
    min-height: 100vh;
}

.section-presentation {
    background-color: var(--color-white);
    padding-top: 120px;
}

.section-budget {
    background-color: var(--color-gray-light);
}

.section-dons {
    background-color: var(--color-white);
}

/* === HEADER === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    transition: var(--transition);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo {
    height: 60px;
    width: auto;
}

.brand-title {
    font-size: 1.8rem;
    color: var(--color-black);
    margin: 0;
}

.brand-tagline {
    font-size: 0.9rem;
    color: var(--color-gray-medium);
    margin: 0;
}

/* === NAVIGATION === */
.nav {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--color-black);
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* Mobile menu toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-black);
    transition: var(--transition);
}

/* === CONTENT BLOCKS === */
.content-block {
    margin-bottom: var(--spacing-lg);
}

.section-title {
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    font-size: 2.5rem;
}

.subsection-title {
    color: var(--color-primary-dark);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

/* === NOTICE === */
.notice {
    background-color: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--border-radius);
}

/* === IMAGES === */
.hero-image {
    margin-bottom: var(--spacing-lg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.img-fluid {
    width: 100%;
    height: auto;
    display: block;
}

.content-image {
    margin: 0 auto;
    text-align: center;
}

.content-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
    display: block;
}

figcaption {
    margin-top: var(--spacing-sm);
    color: var(--color-gray-medium);
    font-size: 0.9rem;
}

/* === TEAM GRID === */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.team-member {
    background-color: var(--color-gray-light);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-primary);
}

/* === HIGHLIGHT === */
.highlight {
    background-color: var(--color-gray-light);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-primary);
    margin: var(--spacing-md) 0;
}

/* === OBJECTIVES GRID === */
.objectives-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.objective-item {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.objective-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

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

.objective-item p {
    margin: 0;
}

/* === TIMELINE === */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-md) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 60px;
    top: 0;
    bottom: 0;
    width: 4px;
    background-color: var(--color-primary);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-lg);
    padding-left: 140px;
}

.timeline-marker {
    position: absolute;
    left: 0;
    top: 0;
    width: 120px;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-weight: 700;
    text-align: center;
    font-size: 1.1rem;
}

.timeline-marker::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    border-left: 8px solid var(--color-primary);
}

.timeline-content {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.timeline-content h3 {
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-sm);
}

.budget-amount {
    background-color: #d4edda;
    border-left: 4px solid #28a745;
    padding: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    border-radius: var(--border-radius);
}

.rentability {
    background-color: #d1ecf1;
    border-left: 4px solid #17a2b8;
    padding: var(--spacing-sm);
    margin: var(--spacing-sm) 0;
    border-radius: var(--border-radius);
}

/* === DONATION SECTION === */
.donation-methods {
    list-style-position: inside;
    margin: var(--spacing-md) 0;
}

.donation-methods li {
    margin-bottom: var(--spacing-sm);
}

.bank-details {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    margin: var(--spacing-lg) 0;
    box-shadow: var(--box-shadow);
}

.bank-iban {
    font-size: 1.8rem;
    font-weight: 700;
    font-family: var(--font-heading);
    letter-spacing: 2px;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
}

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

.bank-address {
    font-size: 1rem;
    opacity: 0.95;
}

.donation-note {
    font-style: italic;
    color: var(--color-gray-medium);
    margin: var(--spacing-md) 0;
}

.thank-you {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-primary);
    text-align: center;
    margin: var(--spacing-lg) 0;
}

/* === BUTTONS === */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: 1.1rem;
    padding: var(--spacing-md) var(--spacing-lg);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(46, 170, 109, 0.3);
}

.pdf-link-container {
    text-align: center;
    margin: var(--spacing-lg) 0;
}

/* === FOOTER === */
.footer {
    background-color: var(--color-black);
    color: var(--color-white);
    text-align: center;
    padding: var(--spacing-lg) 0;
}

.footer p {
    margin: 0;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .header-content {
        flex-wrap: wrap;
    }

    .nav {
        display: none;
        flex-direction: column;
        width: 100%;
        padding: var(--spacing-sm) 0;
    }

    .nav.active {
        display: flex;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .brand-title {
        font-size: 1.4rem;
    }

    .logo {
        height: 50px;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        padding-left: 60px;
    }

    .timeline-marker {
        width: 80px;
        font-size: 0.9rem;
        padding: var(--spacing-xs);
    }

    .bank-iban {
        font-size: 1.2rem;
        letter-spacing: 1px;
    }

    .objectives-grid {
        grid-template-columns: 1fr;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-lg: 1.5rem;
    }

    .section {
        min-height: auto;
    }

    .logo-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
    }

    .brand-tagline {
        font-size: 0.8rem;
    }
}

/* === SCROLL ANIMATIONS === */
@media (prefers-reduced-motion: no-preference) {
    .section {
        opacity: 0;
        animation: fadeIn 0.8s ease-in forwards;
    }

    @keyframes fadeIn {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}