@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500&family=Outfit:wght@400;600;700;800&display=swap');

:root {
    --primary-color: #63c74d; /* Vert vibrant */
    --secondary-color: #8b5cf6; /* Violet vibrant */
    --text-dark: #1e293b;
    --text-light: #64748b;
    
    /* Glassmorphism Variables */
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.05);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

:root[data-theme="dark"] {
    --text-dark: #f8fafc;
    --text-light: #cbd5e1;
    --glass-bg: rgba(15, 23, 42, 0.75);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    line-height: 1.7;
    /* Mesh Gradient dynamique mais subtil */
    background-color: #f8fafc;
    background-image: 
        radial-gradient(at 0% 0%, rgba(99, 199, 77, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(139, 92, 246, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(99, 199, 77, 0.1) 0px, transparent 50%);
    background-attachment: fixed;
    min-height: 100vh;
}

:root[data-theme="dark"] body {
    background-color: #0f172a;
    background-image: 
        radial-gradient(at 0% 0%, rgba(99, 199, 77, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(139, 92, 246, 0.1) 0px, transparent 50%);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* Glass Header */
header {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo img {
    height: 70px;
    object-fit: contain;
}

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

.nav-links a {
    font-weight: 500;
    font-size: 1rem;
    position: relative;
}

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

.lang-switcher {
    display: flex;
    gap: 0.5rem;
}

.lang-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-light);
    font-family: var(--font-body);
}

.lang-btn.active {
    color: var(--primary-color);
}

.theme-switcher {
    margin-left: 1rem;
    padding: 0.5rem;
    border-radius: 50%;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    color: var(--text-dark);
    cursor: pointer;
    backdrop-filter: blur(4px);
    transition: transform 0.3s;
}

.theme-switcher:hover {
    transform: rotate(15deg) scale(1.1);
}

/* Impactful Buttons */
.btn {
    display: inline-block;
    padding: 0.9rem 2.2rem;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.05rem;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    letter-spacing: 0.5px;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    box-shadow: 0 10px 25px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(139, 92, 246, 0.4);
    color: white;
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--text-dark);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

/* Hero Section */
.hero {
    padding: 10rem 2rem 6rem 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 800;
    max-width: 900px;
    margin: 0 auto 1.5rem auto;
    background: linear-gradient(135deg, var(--text-dark) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1.5px;
}

:root[data-theme="dark"] .hero h1 {
    background: linear-gradient(135deg, #ffffff 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 650px;
    margin: 0 auto 3rem auto;
}

/* Container */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

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

/* Grid & Cards (Glassmorphism) */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.card, .content-section, .sidebar {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 3rem 2.5rem;
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s ease;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.15);
    border-color: rgba(99, 199, 77, 0.3);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.card h3 {
    font-size: 1.6rem;
}

/* Page headers */
.page-header {
    padding: 8rem 2rem 4rem 2rem;
    text-align: center;
}

.page-header h1 {
    font-size: 3.5rem;
    font-weight: 800;
}

/* Footer */
footer {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--glass-border);
    color: var(--text-light);
    text-align: center;
    padding: 4rem 2rem;
    margin-top: 6rem;
}

footer p {
    margin-bottom: 0.5rem;
}

/* Sidebar Layout */
.page-layout {
    display: grid;
    grid-template-columns: 2.5fr 1fr;
    gap: 3rem;
    align-items: start;
}

.sidebar {
    position: sticky;
    top: 120px;
    padding: 2rem;
}

.sidebar h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

.report-list {
    list-style: none;
    padding: 0;
}

.report-list li {
    margin-bottom: 1rem;
}

.report-list a {
    display: block;
    padding: 1rem;
    border-radius: 10px;
    font-weight: 500;
    color: var(--text-light);
    background: transparent;
    transition: all 0.3s ease;
}

.report-list a:hover {
    background: rgba(139, 92, 246, 0.05);
    color: var(--text-dark);
}

.report-list a.active {
    background: linear-gradient(135deg, rgba(99,199,77,0.1) 0%, rgba(139,92,246,0.1) 100%);
    color: var(--text-dark);
    border-left: 4px solid var(--primary-color);
}

.report-date {
    display: block;
    font-size: 0.8rem;
    color: var(--secondary-color);
    margin-bottom: 0.2rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

@media (max-width: 900px) {
    .page-layout {
        grid-template-columns: 1fr;
    }
}


/* Flag switcher */
.lang-flag { width: 24px; height: 18px; object-fit: contain; border-radius: 2px; vertical-align: middle; transition: filter 0.3s ease; }
.lang-btn:not(.active) .lang-flag { filter: grayscale(100%) opacity(50%); }
.lang-btn.active .lang-flag, .lang-btn:hover .lang-flag { filter: grayscale(0%) opacity(100%); }
.lang-switcher { display: flex; align-items: center; gap: 0.5rem; }


/* Partner Marquee Carousel */
.marquee-wrapper { overflow: hidden; padding: 2rem 0; margin: 3rem 0; background: var(--bg-alt); border-radius: var(--radius-card); box-shadow: inset var(--shadow-soft); position: relative; border: 2px solid var(--border-color); }
.marquee-container { display: flex; width: fit-content; animation: marquee 25s linear infinite; }
.marquee-container:hover { animation-play-state: paused; }
.marquee-content { display: flex; align-items: center; gap: 4rem; padding-right: 4rem; }
.partner-logo { height: 100px; object-fit: contain; transition: transform 0.3s ease; }
.partner-logo:hover { transform: scale(1.08); }
.partner-fallback { font-family: var(--font-heading); font-weight: 700; font-size: 1.2rem; color: var(--primary-color); border: 3px solid var(--primary-color); padding: 0.8rem 1.5rem; border-radius: var(--radius-btn); white-space: nowrap; transition: all 0.3s ease; }
.partner-fallback:hover { background-color: var(--primary-color); color: var(--white); transform: scale(1.05); }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }