@import url('https://fonts.googleapis.com/css2?family=Poppins%3Awght%40100%3B200%3B300%3B400%3B500%3B600&display=swap%27%29%3B');
/* Reset de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: #1b1b1b; /* gris carbone */
    color: #f5f5f5;
    line-height: 1.6;
}

/* Vidéo de fond (initialement cachée) */
#bg-video {
    position: fixed;
    top: 0;
    left: 0;
    min-width: 100%;
    min-height: 100%;
    object-fit: cover;
    z-index: -1;
    opacity: 0;
    transition: opacity 1s ease;
    pointer-events: none;
    filter: brightness(0.4);
}

#top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #e50914; /* rouge GT-R */
    color: white;
    text-decoration: none;
    font-size: 20px;
    padding: 10px 15px;
    border-radius: 5px;
    z-index: 1000;
    opacity: 0.8;
    transition: 0.3s;
}

#top:hover {
    background: #b20610;
}

/* Header */
header {
    background-color: #121212;
    padding: 30px 20px;
    text-align: center;
    border-bottom: 2px solid #8a0303; /* rouge bordeau foncé */
}

header h1 {
    color: #e50914; /* rouge GT-R */
    font-size: 2.8em;
    letter-spacing: 1px;
    font-weight: 600;
}

/* Navigation */
nav ul {
    list-style: none;
    margin-top: 15px;
}

nav ul li {
    display: inline-block;
    margin: 0 20px;
}

nav ul li a {
    text-decoration: none;
    color: #ccc;
    padding: 8px 16px;
    transition: all 0.3s ease;
    border-radius: 5px;
}

nav ul li a:hover {
    background-color: #e50914;
    color: #fff;
}

main {
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 20px;
}

section {
    margin-bottom: 60px;
}
.conception-technique {
    margin-bottom: 60px;
}

.conception-technique .conception-content {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
    align-items: flex-start;
}

.conception-technique .texte {
    flex: 1;
    min-width: 280px;
    font-size: 1.05em;
    color: #ddd;
}

.conception-technique .image-plan {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.conception-technique .image-plan img {
    width: 100%;
    max-width: 600px;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease;
}

.conception-technique .image-plan img:hover {
    transform: scale(1.02);
}

@media (max-width: 768px) {
    .conception-technique .conception-content {
        flex-direction: column;
        text-align: center;
    }
}

h2 {
    font-size: 1.8em;
    color: #e50914;
    margin-bottom: 15px;
    border-left: 5px solid #e50914;
    padding-left: 10px;
}

p, ul li {
    color: #ddd;
    font-size: 1.05em;
}

ul {
    padding-left: 20px;
}
.record-gtr {
    margin-bottom: 60px;
    background-color: #111;
    padding: 40px 20px;
    border-left: 5px solid #e50914;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0,0,0,0.4);
}

.record-gtr h2 {
    color: #e50914;
    font-size: 1.8em;
    margin-bottom: 30px;
    text-align: center;
    border-left: none;
}

.record-gtr .record-content {
    color: #ddd;
    font-size: 1.05em;
    line-height: 1.6;
}

img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    transition: transform 0.3s ease;
}

img:hover {
    transform: scale(1.02);
}

/* Footer */
footer {
    background-color: #121212;
    text-align: center;
    padding: 20px;
    font-size: 0.9em;
    color: #aaa;
    border-top: 1px solid #333;
}

/* Responsive nav (optionnel) */
@media (max-width: 600px) {
    nav ul li {
        display: block;
        margin: 10px 0;
    }
}