@font-face {
    font-family: 'Inter';
    src: url('fonts/inter-v13-latin-regular.woff2') format('truetype');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'Inter';
    src: url('fonts/inter-v13-latin-700.woff2') format('truetype');
    font-weight: 700;
    font-style: normal;
}

:root {
    --bg-color: #050a05;
    --card-bg: #0d1a0d;
    --primary-green: #00ff41;
    --secondary-green: #008f11;
    --text-color: #e0ffe0;
    --text-muted: #a0c0a0;
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-family);
    line-height: 1.6;
    overflow-x: hidden;
    /* Optimization for Google Sites Embeds */
    min-height: 100vh;
    margin: 0;
    -ms-overflow-style: none;
    /* IE and Edge */
    scrollbar-width: none;
    /* Firefox */
}

/* Hide scrollbars for a cleaner look when embedded (Chrome, Safari, Opera) */
body::-webkit-scrollbar {
    display: none;
}

/* Language Switch Logic */
[lang="en"] .lang-fr,
[lang="fr"] .lang-en {
    display: none;
}

header {
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background: rgba(5, 10, 5, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--secondary-green);
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-green);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 40px;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

nav a:hover,
nav a.active {
    color: var(--primary-green);
}

.tab-section {
    display: none;
}

.tab-section.active-tab {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.lang-switch {
    background: var(--card-bg);
    border: 1px solid var(--secondary-green);
    color: var(--primary-green);
    padding: 0.5rem 1rem;
    cursor: pointer;
    border-radius: 4px;
    font-size: 0.8rem;
    transition: all 0.3s;
}

.lang-switch:hover {
    background: var(--primary-green);
    color: var(--bg-color);
}

section {
    padding: 5rem 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

h2 {
    font-size: 2.5rem;
    color: var(--primary-green);
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero {
    text-align: center;
    padding: 8rem 2rem;
    background: radial-gradient(circle at center, #0d1a0d 0%, #050a05 70%);
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
    color: var(--text-muted);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #1a3a1a;
    transition: transform 0.3s, border-color 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-green);
}

.card h3 {
    color: var(--primary-green);
    margin-bottom: 1rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #1a3a1a;
    display: flex;
    flex-direction: column;
}

.project-img {
    width: 100%;
    aspect-ratio: 1;
    background: #111;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-green);
}

.project-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-info {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-info .btn {
    margin-top: auto;
    align-self: flex-start;
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: var(--primary-green);
    color: var(--bg-color);
    text-decoration: none;
    border-radius: 6px;
    font-weight: bold;
    margin-top: 1rem;
    transition: opacity 0.3s;
}

.btn:hover {
    opacity: 0.8;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--primary-green);
    color: var(--primary-green);
}

footer {
    padding: 4rem 2rem;
    text-align: center;
    border-top: 1px solid var(--secondary-green);
    color: var(--text-muted);
    font-size: 0.8rem;
}

@media (max-width: 768px) {
    header {
        flex-wrap: wrap;
        padding: 1rem;
        gap: 1rem;
    }

    nav {
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    nav::-webkit-scrollbar {
        display: none;
    }

    nav ul {
        display: flex;
        gap: 1.5rem;
    }

    nav a {
        white-space: nowrap;
    }
}