* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    -webkit-tap-highlight-color: transparent;
}

body.menu-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
}

:root {
    --primary: #0ea5e9;
    --secondary: #0284c7;
    --accent: #06b6d4;
    --light: #f0f9ff;
    --dark: #0c4a6e;
    --text: #0c2340;
    --brown: #8b6f47;
    --gold: #d4af37;
    --beige: #e8dcc8;
    --terracotta: #c65d3b;
    --success: #27ae60;
    --warning: #c0392b;
    --shadow: 0 10px 15px -3px rgba(14, 165, 233, 0.15), 0 4px 6px -2px rgba(14, 165, 233, 0.1);
    --transition: all 0.3s ease;
}

body {
    line-height: 1.7;
    color: var(--text);
    background-color: #ffffff;
    overflow-x: hidden;
}

.page-start {
    margin-top: 130px;
}

@media (max-width: 768px) {
    .page-start {
        margin-top: 100px;
    }
}

@media (max-width: 576px) {
    .page-start {
        margin-top: 90px;
    }
}

.container {
    width: 92%;
    max-width: 1200px;
    margin: 0 auto;
}

section {
    padding: 100px 0;
}

h1, h2, h3, h4 {
    color: var(--brown);
    margin-bottom: 1.25rem;
    font-weight: 700;
}

h2 {
    font-size: 2.75rem;
    text-align: center;
    margin-bottom: 4rem;
    padding-bottom: 20px;
    border-bottom: 4px solid var(--brown);
    display: inline-block;
    width: 100%;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    background-color: var(--secondary);
    color: white;
    border: none;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.btn:hover {
    background-color: var(--brown);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(139, 111, 71, 0.3);
}

.highlight-box {
    background-color: var(--beige);
    border: 3px solid var(--brown);
    border-radius: 8px;
    padding: 30px;
    margin: 30px 0;
}

.highlight-box h3 {
    color: var(--brown);
    margin-top: 0;
}

.highlight-box ul {
    list-style: none;
    padding-left: 0;
}

.highlight-box li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
    color: var(--brown);
}

.highlight-box li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--brown);
    font-weight: bold;
}

/* Navigation active state */
nav ul li a.active {
    color: var(--secondary);
    position: relative;
}

nav ul li a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--secondary);
}

/* Header et Navigation */
header {
    background-color: white;
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 2000;
    transition: var(--transition);
    padding-top: env(safe-area-inset-top);
}

.partnership-banner {
    background: #f0f9ff;
    text-align: center;
    padding: 12px;
    font-size: 1rem;
    border-top: 2px solid #0284c7;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    position: relative;
    z-index: 2100;
}

.logo-img {
    height: 90px;
    margin-right: 12px;
    transition: var(--transition);
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--brown);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.logo-text span {
    color: var(--brown);
}

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

nav ul li {
    margin-left: 25px;
}

nav ul li a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: color 0.3s ease;
    font-size: 0.95rem;
    position: relative;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary);
    transition: var(--transition);
}

nav ul li a:hover::after,
nav ul li a.active::after {
    width: 100%;
}

nav ul li a:hover {
    color: var(--secondary);
}

.mobile-menu {
    display: none;
    font-size: 1.8rem;
    cursor: pointer;
    position: relative;
    z-index: 2100;
    color: var(--dark);
    transition: var(--transition);
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 1999;
}

.overlay.show {
    opacity: 1;
}

.bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: white;
    border-top: 1px solid #eee;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.08);
    z-index: 1998;
    padding-bottom: env(safe-area-inset-bottom);
    justify-content: space-around;
    align-items: center;
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: 12px 0;
    padding-bottom: calc(12px + env(safe-area-inset-bottom));
    text-decoration: none;
    color: #666;
    font-size: 0.75rem;
    transition: all 0.2s ease;
}

.bottom-nav-item i {
    font-size: 1.5rem;
    margin-bottom: 4px;
}

.bottom-nav-item.active,
.bottom-nav-item:active {
    color: var(--secondary);
}

.bottom-nav-item:hover {
    color: var(--secondary);
}

/* Footer */
footer {
    background-color: #0369a1;
    color: white;
    padding: 60px 0 30px;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    color: white;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.footer-col h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: var(--brown);
}

.footer-col p {
    margin-bottom: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.footer-logo .logo-img {
    height: 40px;
    margin-right: 10px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #bbb;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--secondary);
}

.footer-info p {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.footer-info i {
    margin-right: 10px;
    width: 20px;
    color: var(--secondary);
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #bbb;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {
    h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 2rem;
        margin-bottom: 2.5rem;
    }
    
    section {
        padding: 60px 0;
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: 8px 0;
    }
    
    .logo-img {
        height: 70px;
    }
    
    .logo-text {
        font-size: 1.1rem;
    }
    

    
    #nav-menu {
        display: none;
    }
    
    .mobile-menu {
        display: none;
    }
    
    .bottom-nav {
        display: flex;
    }
    
    body {
        padding-bottom: 70px;
    }
    
    section {
        padding: 50px 0;
    }
    
    h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }

    .page-start {
        margin-top: 150px;
    }
}

@media (max-width: 576px) {
    .container {
        width: 94%;
    }
    
    h1 {
        font-size: 1.6rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 12px 20px;
        width: 100%;
        text-align: center;
        font-size: 0.95rem;
    }
    
    .logo-img {
        height: 60px;
        margin-right: 8px;
    }

    .logo-text {
        font-size: 0.85rem;
        white-space: nowrap;
    }
    
    .footer-logo {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-logo .logo-img {
        margin-right: 0;
        margin-bottom: 10px;
    }

    .page-start {
        margin-top: 130px;
    }
}