style.css

/* =========================================
   VARIABLES (Thème Midnight)
   ========================================= */
:root {
    --bg-dark: #0f1115;
    --bg-header: #16191f;
    --card-bg: #1a1d23;
    --accent: #00f2ff; /* Cyan Néon */
    --text-main: #e0e0e0;
    --text-dim: #a0a0a0;
    --white: #ffffff;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* =========================================
   STRUCTURE & NAVIGATION
   ========================================= */
header {
    padding: 2rem 5%;
    background: linear-gradient(to bottom, var(--bg-header), var(--bg-dark));
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto 4rem auto;
}

.logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.2rem;
    color: var(--accent);
    letter-spacing: 2px;
    text-transform: uppercase;
}

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

nav a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
    transition: var(--transition);
}

nav a:hover {
    color: var(--accent);
}

/* =========================================
   GRILLE DE PROJETS (INDEX)
   ========================================= */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    padding: 2rem 5% 5rem;
    max-width: 1300px;
    margin: 0 auto;
}

.card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #2a2e35;
    transition: var(--transition);
}

/* L'élément qui rend toute la carte cliquable */
.card-link {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    height: 100%;
    width: 100%;
    position: relative;
    z-index: 1;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 242, 255, 0.15);
    border-color: var(--accent);
}

/* IMAGE ET OVERLAY */
.card-image {
    position: relative;
    height: 220px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.image-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(15, 17, 21, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.card:hover .image-overlay {
    opacity: 1;
}

.image-overlay span {
    background: var(--accent);
    color: var(--bg-dark);
    padding: 10px 20px;
    border-radius: 4px;
    font-weight: bold;
    text-transform: uppercase;
    font-size: 0.8rem;
}

/* CONTENU DE LA CARTE */
.card-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.tag {
    align-self: flex-start; /* Empêche le tag de prendre toute la largeur */
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--accent);
    border: 1px solid var(--accent);
    padding: 4px 10px;
    border-radius: 4px;
    margin-bottom: 1rem;
    background: rgba(0, 242, 255, 0.05);
}

.card h3 {
    margin-bottom: 0.8rem;
    font-size: 1.4rem;
    font-family: 'Orbitron', sans-serif;
    color: var(--white);
}

.card p {
    color: var(--text-dim);
    font-size: 0.95rem;
}

/* =========================================
   SECTIONS À PROPOS & CONTACT
   ========================================= */
.content-section-flat {
    padding: 80px 5%;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.content-section-flat h2 {
    font-family: 'Orbitron', sans-serif;
    color: var(--accent);
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.btn-contact {
    display: inline-block;
    margin-top: 2rem;
    padding: 12px 30px;
    background: var(--accent);
    color: var(--bg-dark);
    text-decoration: none;
    font-weight: bold;
    border-radius: 4px;
    transition: var(--transition);
}

.btn-contact:hover {
    background: var(--white);
    transform: scale(1.05);
}

/* =========================================
   FOOTER & RESPONSIVE
   ========================================= */
footer {
    text-align: center;
    padding: 4rem;
    color: var(--text-dim);
    font-size: 0.8rem;
}

@media (max-width: 768px) {
    nav { flex-direction: column; gap: 1.5rem; }
    .grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2.2rem; }
}

/* =========================================
   STYLE SPÉCIFIQUE PAGES PROJETS (CASE STUDY)
   ========================================= */

.project-page .back-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    margin: 2rem 5%;
}

.case-study {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 5% 5rem;
}

.case-study h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 1rem;
    color: var(--white);
}

.project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    color: var(--text-dim);
    margin-bottom: 3rem;
    padding: 1rem 0;
    border-top: 1px solid #2a2e35;
    border-bottom: 1px solid #2a2e35;
}

.content-section {
    margin-top: 4rem;
}

.content-section h2 {
    font-family: 'Orbitron', sans-serif;
    color: var(--accent);
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--accent);
    padding-left: 1rem;
}

/* Galerie d'images et schémas GDD */
.visual-container {
    background: #16191f;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid #2a2e35;
    margin: 2rem 0;
}

.visual-container img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    display: block;
}

.caption {
    display: block;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-top: 10px;
}