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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Roboto, sans-serif;
    background: #0f0f0f;
    color: #fff;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ==== HEADER ==== */
.header {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
}

.header img {
    max-width: 120px;
    height: auto;
}

/* ==== VIDEO ==== */
.video {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 1rem 0;
}

.video video {
    width: 90%;
    max-width: 600px;
    border-radius: 15px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.4);
}

/* ==== DESCRIPTION ==== */
.description {
    text-align: center;
    padding: 1.5rem;
}

.description h1 {
    font-size: 1.8rem;
    margin-bottom: 0.8rem;
    color: #ffcc00;
}

.description p {
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto 1.2rem;
    color: #ccc;
}

/* ==== BOUTON DE TÉLÉCHARGEMENT ==== */
.download-section {
    margin-top: 1rem;
}

.downloadbtn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: linear-gradient(135deg, #4cafef, #6be8ff);
    color: #fff;
    padding: 1rem 1.6rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    font-size: 1.1rem;
    box-shadow: 0 5px 20px rgba(100, 200, 255, 0.4);
    transition: all 0.25s ease-in-out;
}

.downloadbtn i {
    font-size: 1.3rem;
}

.downloadbtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(100, 200, 255, 0.6);
    background: linear-gradient(135deg, #5dc6ff, #8ff6ff);
}

.downloadbtn:active {
    transform: scale(0.97);
}

.download-note {
    font-size: 0.85rem;
    color: #aaa;
    margin-top: 0.4rem;
}

/* ==== SECTION SEO ==== */
.seo-text {
    max-width: 800px;
    margin: 2rem auto;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.seo-text h2 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #ffcc00;
}

.seo-text p {
    margin-bottom: 0.8rem;
    color: #ddd;
}

/* ==== FOOTER ==== */
footer {
    margin-top: auto;
    padding: 1rem;
    text-align: center;
    font-size: 0.85rem;
    background: rgba(255,255,255,0.05);
}

footer a {
    color: #ffcc00;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* ==== RESPONSIVE ==== */
@media (max-width: 768px) {
    .description h1 {
        font-size: 1.5rem;
    }
    .seo-text h2 {
        font-size: 1.2rem;
    }
}