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

        body {
            font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
            background: #191629;
            color: #2c3e50;
            line-height: 1.5;
        }

        /* Header / nav inspiré de ../index.html */
        header.site-header {
            color: #fff;
            padding: 20px 20px;
        }

        .site-inner {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 20px;
        }

        nav.main-nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            margin-bottom: 18px;
        }

        .brand {
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: .2px;
        }

        .nav-links {
            display: flex;
            gap: 12px;
        }

        .nav-links a {
            color: rgba(255,255,255,0.9);
            text-decoration: none;
            padding: 8px 12px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.95rem;
        }

        .nav-links a.active,
        .nav-links a:hover {
            background: rgba(255,255,255,0.15);
        }

        header h1 {
            font-size: 2.5rem;
            color: #d1d1d1;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        header p.lead {
            margin-top: 8px;
            color: rgba(255,255,255,0.95);
            max-width: 780px;
        }

        /* Section title / description */
        .section {
            margin: 36px auto;
            max-width: 1100px;
            padding: 0 20px 40px 20px;
        }

        .section-title {
            font-size: 1.6rem;
            color: #637afa;
            margin-bottom: 8px;
        }
        .section-description {
            color: #c4c4c4;
            margin-bottom: 22px;
        }

        /* Projects grid and card layout */
        .projects-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
            align-items: start;
        }

        .project-card {
            background: #fff;
            border-radius: 14px;
            box-shadow: 0 6px 18px rgba(40, 44, 63, 0.08);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: transform 220ms ease, box-shadow 220ms ease;
            min-height: 320px;
        }

        .project-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 18px 40px rgba(40, 44, 63, 0.12);
        }

        .project-media {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: linear-gradient(90deg,#eef2ff,#fff);
        }

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

        .project-info {
            padding: 16px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .project-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: #111827;
        }

        .project-meta {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
        }

        .tag {
            background: #eef2ff;
            color: #4f46e5;
            padding: 6px 10px;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        .project-description {
            color: #6b7280;
            font-size: 0.94rem;
            margin-top: 6px;
            flex: 1;
        }

        .project-actions {
            display: flex;
            gap: 10px;
            margin-top: 12px;
            align-items: center;
        }

        .btn {
            display: inline-block;
            padding: 10px 14px;
            border-radius: 10px;
            text-decoration: none;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
        }

        .btn-primary {
            display: inline-block;
            padding: 8px 26px;
            background: linear-gradient(90deg, #150941 0%, #008cff 100%);
            color: #fff;
            font-size: 1.1rem;
            font-weight: 600;
            border: none;
            border-radius: 30px;
            text-decoration: none;
            box-shadow: 0 4px 16px rgba(100, 100, 100, 0.12);
            transition: background 0.3s, transform 0.2s, box-shadow 0.2s;
            cursor: pointer;
        }

        .btn-ghost {
            background: transparent;
            border: 1px solid #e6e9f2;
            color: #374151;
        }

        /* Responsive */
        @media (max-width: 980px) {
            .projects-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 640px) {
            .projects-grid { grid-template-columns: 1fr; }
            header h1 { font-size: 1.4rem; }
            header p.lead { font-size: 0.95rem; }
        }