/* ===================================
   Variables CSS et Configuration
   =================================== */
:root {
    /* Couleurs principales */
    --color-primary: #C9A961;
    --color-primary-dark: #A68845;
    --color-primary-light: #E5D4A6;
    --color-secondary: #8B6F47;
    --color-dark: #2C2416;
    --color-dark-alt: #3D3228;
    --color-beige: #F5EFE6;
    --color-beige-light: #FAF7F2;
    --color-white: #FFFFFF;
    --color-black: #1A1A1A;
    
    /* Couleurs de texte */
    --text-primary: #2C2416;
    --text-secondary: #5C4F3D;
    --text-light: #8B7E6F;
    --text-white: #FFFFFF;
    
    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typographie */
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Playfair Display', serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Ombres */
    --shadow-sm: 0 2px 8px rgba(44, 36, 22, 0.1);
    --shadow-md: 0 4px 16px rgba(44, 36, 22, 0.15);
    --shadow-lg: 0 8px 32px rgba(44, 36, 22, 0.2);
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
}

/* ===================================
   Reset et Base
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    background-color: var(--color-beige-light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

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

/* ===================================
   Navigation - NOUVELLE VERSION
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to bottom, 
        rgba(255, 255, 255, 0.98), 
        rgba(255, 255, 255, 0.95)
    );
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 25px rgba(44, 36, 22, 0.08);
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 2px solid transparent;
}

.navbar::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--color-primary) 20%, 
        var(--color-primary-dark) 50%, 
        var(--color-primary) 80%, 
        transparent 100%
    );
    opacity: 0;
    transition: opacity 0.3s ease;
}

.navbar.scrolled {
    box-shadow: 0 4px 35px rgba(44, 36, 22, 0.12);
    background: rgba(255, 255, 255, 0.98);
}

.navbar.scrolled::after {
    opacity: 1;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    transition: transform 0.3s ease;
    cursor: pointer;
}

.logo:hover {
    transform: scale(1.05);
}

.logo img {
    height: 75px;
    width: auto;
    filter: drop-shadow(0 2px 10px rgba(201, 169, 97, 0.2));
    transition: filter 0.3s ease;
}

.logo:hover img {
    filter: drop-shadow(0 4px 15px rgba(201, 169, 97, 0.4));
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-menu > li {
    list-style: none;
}

.nav-link {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.75rem 1.25rem;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    white-space: nowrap;
    display: inline-block;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
    border-radius: 2px;
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--color-primary);
    background-color: rgba(201, 169, 97, 0.08);
    transform: translateY(-2px);
}

.nav-link:hover::after {
    width: 60%;
}

.nav-link.active {
    color: var(--color-primary-dark);
    background: linear-gradient(135deg, 
        rgba(201, 169, 97, 0.15), 
        rgba(229, 212, 166, 0.15)
    );
    font-weight: 700;
}

.nav-link.active::after {
    width: 70%;
}

/* Dropdown styles */
.nav-dropdown {
    position: relative;
}

.nav-dropdown > .nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-dropdown > .nav-link i {
    font-size: 0.7rem;
    transition: transform 0.3s ease;
}

.nav-dropdown:hover > .nav-link i {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(-15px);
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.98), 
        rgba(250, 247, 242, 0.98)
    );
    backdrop-filter: blur(20px);
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(44, 36, 22, 0.15);
    padding: 0.75rem;
    min-width: 260px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid rgba(201, 169, 97, 0.15);
    z-index: 1001;
}

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid rgba(201, 169, 97, 0.15);
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.95rem 1.15rem;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 12px;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.dropdown-menu a i {
    color: var(--color-primary);
    font-size: 1.15rem;
    width: 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.dropdown-menu a:hover {
    background: linear-gradient(135deg, 
        rgba(201, 169, 97, 0.15), 
        rgba(229, 212, 166, 0.1)
    );
    color: var(--color-primary-dark);
    transform: translateX(5px);
    padding-left: 1.35rem;
}

.dropdown-menu a:hover i {
    transform: scale(1.2) rotate(5deg);
    color: var(--color-primary-dark);
}

/* Bouton Don */
.btn-don {
    background: linear-gradient(135deg, 
        var(--color-primary), 
        var(--color-primary-dark)
    );
    color: var(--text-white);
    padding: 0.75rem 1.75rem;
    border-radius: 25px;
    font-weight: 700;
    font-size: 0.95rem;
    box-shadow: 0 4px 20px rgba(201, 169, 97, 0.35);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    margin-left: 0.75rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.btn-don i {
    font-size: 1rem;
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    10% { transform: scale(1.1); }
    20% { transform: scale(1); }
    30% { transform: scale(1.1); }
    40% { transform: scale(1); }
}

.btn-don:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 30px rgba(201, 169, 97, 0.45);
    background: linear-gradient(135deg, 
        var(--color-primary-dark), 
        var(--color-secondary)
    );
}

.btn-don:active {
    transform: translateY(-1px);
}

.mobile-menu-toggle {
    display: none;
    background: linear-gradient(135deg, 
        rgba(245, 239, 230, 0.8), 
        rgba(229, 212, 166, 0.6)
    );
    border: 2px solid var(--color-primary);
    padding: 0.65rem;
    border-radius: 12px;
    font-size: 1.3rem;
    color: var(--color-primary);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: 48px;
    height: 48px;
    align-items: center;
    justify-content: center;
}

.mobile-menu-toggle:hover {
    background: var(--color-primary);
    color: var(--text-white);
    transform: rotate(90deg);
    box-shadow: 0 4px 15px rgba(201, 169, 97, 0.3);
}

.mobile-menu-toggle:active {
    transform: rotate(90deg) scale(0.95);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-beige-light) 0%, var(--color-primary-light) 100%);
    margin-top: 100px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(201, 169, 97, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 111, 71, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, transparent 0%, rgba(245, 239, 230, 0.3) 100%);
}

.hero-content {
    position: relative;
    text-align: center;
    z-index: 2;
}

.hero-logo img {
    height: 200px;
    width: auto;
    margin: 0 auto var(--spacing-md);
    filter: drop-shadow(0 4px 12px rgba(44, 36, 22, 0.1));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hero-title {
    font-family: var(--font-secondary);
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.05);
}

.hero-subtitle {
    font-family: var(--font-secondary);
    font-size: 1.8rem;
    color: var(--color-secondary);
    font-style: italic;
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 2rem;
    color: var(--color-primary);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ===================================
   Boutons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-base);
    border: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
}

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

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

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--text-white);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1.1rem;
}

/* ===================================
   Section Headers
   =================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-header.centered {
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-lg);
}

.section-label {
    display: inline-block;
    color: var(--color-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-family: var(--font-secondary);
    font-size: 2.5rem;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.section-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
    margin: 0 auto var(--spacing-md);
    border-radius: 2px;
}

.section-divider.left {
    margin: 0 0 var(--spacing-md) 0;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===================================
   Présentation Section
   =================================== */
.section-presentation {
    background-color: var(--color-white);
}

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

.presentation-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
}

.lead-text {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.presentation-text p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.presentation-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.stat-card {
    background: linear-gradient(135deg, var(--color-beige-light), var(--color-primary-light));
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

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

.stat-card i {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.stat-number {
    font-family: var(--font-secondary);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ===================================
   Actions Section
   =================================== */
.section-actions {
    background: linear-gradient(135deg, var(--color-beige-light) 0%, var(--color-beige) 100%);
}

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

.action-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.action-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.action-link {
    display: block;
}

.action-image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.action-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.action-card:hover .action-image img {
    transform: scale(1.1);
}

.action-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(44, 36, 22, 0.7) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-base);
}

.action-card:hover .action-overlay {
    opacity: 1;
}

.action-overlay i {
    font-size: 3rem;
    color: var(--text-white);
    transform: translateX(-20px);
    transition: var(--transition-base);
}

.action-card:hover .action-overlay i {
    transform: translateX(0);
}

.action-content {
    padding: var(--spacing-md);
}

.action-content h3 {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.action-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===================================
   Project Layout
   =================================== */
.section-orphelins {
    background-color: var(--color-white);
}

.section-femmes {
    background: linear-gradient(135deg, var(--color-beige-light) 0%, var(--color-beige) 100%);
}

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

.section-coran {
    background: linear-gradient(135deg, var(--color-beige-light) 0%, var(--color-beige) 100%);
}

/* Sections Valeurs et Algérie */
.section-valeurs .valeur-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(44, 36, 22, 0.15);
}

.project-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.project-layout.reverse {
    direction: rtl;
}

.project-layout.reverse > * {
    direction: ltr;
}

.project-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

.project-label {
    color: var(--color-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.9rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.project-title {
    font-family: var(--font-secondary);
    font-size: 2.5rem;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.project-subtitle {
    font-family: var(--font-secondary);
    font-size: 1.3rem;
    color: var(--color-secondary);
    font-style: italic;
    margin-bottom: var(--spacing-sm);
}

.project-description {
    margin-bottom: var(--spacing-md);
}

.project-description p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.highlight-text {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 1.15rem;
}

.project-quote {
    background: linear-gradient(135deg, var(--color-beige-light), var(--color-primary-light));
    padding: var(--spacing-md);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-sm);
    margin: var(--spacing-md) 0;
    position: relative;
}

.project-quote i {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    font-size: 2rem;
    color: var(--color-primary);
    opacity: 0.2;
}

.project-quote p {
    font-style: italic;
    color: var(--color-secondary);
    font-weight: 500;
    margin: 0;
}

.project-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
}

.feature-item i {
    color: var(--color-primary);
    font-size: 1.2rem;
}

.project-benefits {
    list-style: none;
    padding: 0;
    margin: var(--spacing-md) 0;
}

.project-benefits li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: var(--color-beige-light);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    transition: var(--transition-base);
}

.project-benefits li:hover {
    background-color: var(--color-primary-light);
    transform: translateX(5px);
}

.project-benefits i {
    color: var(--color-primary);
    font-size: 1.2rem;
}

.project-impact {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-beige-light));
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
}

.project-impact h4 {
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.project-impact h4 i {
    color: var(--color-primary);
}

.project-impact p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin: 0;
}

.project-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.project-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-secondary);
    font-size: 0.95rem;
}

.project-info i {
    color: var(--color-primary);
}

/* ===================================
   Don Section
   =================================== */
.section-don {
    background-color: var(--color-white);
}

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

.don-info h3,
.don-form-container h3 {
    font-family: var(--font-secondary);
    font-size: 1.8rem;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.don-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.don-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-beige-light);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.don-list li:hover {
    background-color: var(--color-primary-light);
    transform: translateX(5px);
}

.don-list i {
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.don-list span {
    color: var(--text-secondary);
    line-height: 1.6;
}

.don-form-container {
    background: linear-gradient(135deg, var(--color-beige-light), var(--color-primary-light));
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.form-note {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.payment-methods {
    display: grid;
    gap: var(--spacing-md);
}

.payment-method {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    transition: var(--transition-base);
}

.payment-method:hover {
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

.payment-method i {
    font-size: 2rem;
    color: var(--color-primary);
    margin-top: 5px;
}

.payment-method h4 {
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

.payment-method p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===================================
   Contact Section
   =================================== */
.section-contact {
    background: linear-gradient(135deg, var(--color-beige-light) 0%, var(--color-beige) 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

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

.contact-item i {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-top: 5px;
}

.contact-item h4 {
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.contact-item p {
    color: var(--text-secondary);
}

.contact-form {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

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

.form-group label {
    display: block;
    color: var(--color-dark);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--color-beige);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--text-primary);
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: var(--color-beige-light);
}

.form-group textarea {
    resize: vertical;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: linear-gradient(135deg, var(--color-dark), var(--color-dark-alt));
    color: var(--text-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    height: 100px;
    width: auto;
    margin-bottom: var(--spacing-sm);
    object-fit: contain;
}

.footer-tagline {
    font-family: var(--font-secondary);
    font-size: 1.1rem;
    font-style: italic;
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-sm);
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.footer-section h4 {
    color: var(--color-primary-light);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-base);
}

.footer-links a:hover {
    color: var(--color-primary-light);
    transform: translateX(5px);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-links a {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-white);
    transition: var(--transition-base);
}

.social-links a:hover {
    background-color: var(--color-primary);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

/* ===================================
   Scroll to Top Button
   =================================== */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 999;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* ===================================
   Responsive Design
   =================================== */
@media (min-width: 1200px) {
    .nav-menu {
        gap: 0.5rem;
    }
    
    .nav-link {
        font-size: 1rem;
        padding: 0.8rem 1.4rem;
    }
}

@media (max-width: 992px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .project-layout,
    .don-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .project-layout.reverse {
        direction: ltr;
    }
    
    .nav-menu {
        gap: 0.25rem;
    }
    
    .nav-link {
        font-size: 0.85rem;
        padding: 0.65rem 1rem;
    }
    
    .btn-don {
        font-size: 0.85rem;
        padding: 0.65rem 1.3rem;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 90px;
        left: 1rem;
        right: 1rem;
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(250, 247, 242, 0.98));
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 1.5rem;
        box-shadow: 0 8px 40px rgba(44, 36, 22, 0.15);
        border-radius: var(--radius-lg);
        transform: translateY(-150%);
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        opacity: 0;
        gap: 0.5rem;
        border: 2px solid rgba(201, 169, 97, 0.2);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-link {
        width: 100%;
        text-align: center;
        padding: 1rem;
        font-size: 1rem;
        border-radius: var(--radius-md);
        justify-content: center;
    }
    
    .btn-don {
        width: 100%;
        text-align: center;
        margin-left: 0;
        margin-top: 0.5rem;
        padding: 1rem 1.5rem;
        font-size: 1rem;
        justify-content: center;
    }
    
    .nav-dropdown {
        width: 100%;
    }
    
    .dropdown-menu {
        position: static;
        transform: none;
        opacity: 0;
        visibility: hidden;
        max-height: 0;
        overflow: hidden;
        transition: all 0.3s ease;
        margin-top: 0.5rem;
        padding: 0;
        pointer-events: auto;
    }
    
    .nav-dropdown.active .dropdown-menu {
        opacity: 1;
        visibility: visible;
        max-height: 300px;
        padding: 0.5rem;
    }
    
    .dropdown-menu::before {
        display: none;
    }
    
    .dropdown-menu a {
        padding: 0.85rem;
        text-align: left;
    }
    
    .logo img {
        height: 65px;
    }
    
    .hero {
        margin-top: 100px;
        min-height: 90vh;
    }
    
    .hero-logo img {
        height: 150px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.4rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .actions-grid {
        grid-template-columns: 1fr;
    }
    
    .presentation-stats {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .logo img {
        height: 55px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .project-title {
        font-size: 2rem;
    }
    
    .btn-large {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

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

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

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

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }