/* --- BASE & VARIABLES --- */
:root {
    --primary-blue: #0066ff;
    --deep-blue: #0044cc;
    --light-blue: #f0f7ff;
    --tech-white: #ffffff;
    --text-main: #1d1d1f;
    --text-muted: #6e6e73;
    --border: #e5e5e7;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; color: var(--text-main); background: var(--tech-white); line-height: 1.6; overflow-x: hidden; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 30px; }

/* --- HEADER --- */
.main-header {
    height: 80px; display: flex; align-items: center; position: sticky; top: 0;
    background: rgba(255,255,255,0.85); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); z-index: 1000;
}
.main-header nav { width: 100%; display: flex; justify-content: space-between; align-items: center; }
.logo-tech { font-weight: 900; font-size: 1.5rem; letter-spacing: -1px; }
.logo-v { background: var(--primary-blue); color: white; padding: 2px 8px; border-radius: 4px; margin-right: 4px; }
.logo-five { color: var(--primary-blue); }
.nav-links { display: flex; list-style: none; gap: 30px; align-items: center; }
.nav-links a { text-decoration: none; color: var(--text-main); font-weight: 500; transition: var(--transition); }
.nav-links a:hover { color: var(--primary-blue); }
.btn-nav { background: var(--primary-blue); color: white !important; padding: 10px 20px; border-radius: 6px; }

/* --- HERO --- */
.hero-tech { padding: 120px 0; background: radial-gradient(circle at 90% 10%, var(--light-blue) 0%, transparent 45%); }
.hero-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 60px; align-items: center; }
.hero-text h1 { font-size: 4.5rem; line-height: 1.1; margin-bottom: 25px; font-weight: 900; }
.text-blue { color: var(--primary-blue); }
.cta-group { display: flex; gap: 20px; }
.btn-main { background: var(--primary-blue); color: white; border: none; padding: 18px 35px; border-radius: 8px; font-weight: 700; cursor: pointer; transition: var(--transition); text-decoration: none; display: inline-block; text-align: center; border: 2px solid var(--primary-blue); }
.btn-main:hover { background: var(--deep-blue); border-color: var(--deep-blue); }
.btn-outline { border: 2px solid var(--primary-blue); color: var(--primary-blue); padding: 16px 35px; border-radius: 8px; text-decoration: none; font-weight: 700; transition: var(--transition); text-align: center; }
.btn-outline:hover { background: var(--light-blue); }

.tech-blob { width: 100%; height: 400px; background: var(--primary-blue); border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; opacity: 0.1; animation: morph 10s infinite alternate; }
@keyframes morph { 0% { border-radius: 30% 70% 70% 30%; } 100% { border-radius: 60% 40% 30% 70%; } }

/* --- VISION & EQUIPE --- */
.vision-section { padding: 100px 0; background: var(--tech-white); }
.vision-content { max-width: 800px; margin: 0 auto 60px; text-align: center; font-size: 1.2rem; color: var(--text-muted); }
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }
.member-card { background: white; padding: 40px; border-radius: 20px; border: 1px solid var(--border); transition: var(--transition); text-align: center; }
.member-card:hover { border-color: var(--primary-blue); transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0,102,255,0.08); }
.member-info h4 { font-size: 1.25rem; margin-bottom: 8px; color: var(--text-main); font-weight: 700; }
.member-info span { color: var(--primary-blue); font-weight: 700; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; }

/* --- PORTFOLIO --- */
.portfolio-tech { padding: 100px 0; background: #fbfbfd; }
.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; }
.project-card { background: white; border-radius: 20px; overflow: hidden; border: 1px solid var(--border); transition: var(--transition); }
.project-card:hover { transform: translateY(-10px); border-color: var(--primary-blue); box-shadow: 0 20px 40px rgba(0,102,255,0.1); }
.img-placeholder { height: 200px; background: linear-gradient(135deg, var(--light-blue), #e0edff); display: flex; align-items: center; justify-content: center; font-weight: 800; color: var(--primary-blue); }
.project-info { padding: 25px; }
.tag { display: inline-block; padding: 4px 12px; background: var(--light-blue); color: var(--primary-blue); border-radius: 50px; font-size: 0.75rem; font-weight: 700; margin-top: 15px; }

/* --- TARIFS --- */
.pricing-tech { padding: 100px 0; background: var(--tech-white); }
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; margin-top: 40px; }
.price-card { padding: 40px; border-radius: 25px; border: 1px solid var(--border); transition: var(--transition); position: relative; background: white; }
.price-card.featured { border-color: var(--primary-blue); transform: scale(1.05); box-shadow: 0 20px 40px rgba(0,102,255,0.1); }
.price { font-size: 2.2rem; font-weight: 900; color: var(--primary-blue); margin: 20px 0; }
.price span { font-size: 0.9rem; color: var(--text-muted); }
.price-features { list-style: none; margin: 30px 0; }
.price-features li { margin-bottom: 12px; font-size: 0.9rem; color: var(--text-muted); }
.badge { position: absolute; top: 15px; right: 15px; background: var(--primary-blue); color: white; padding: 4px 12px; border-radius: 20px; font-size: 0.65rem; font-weight: 800; }

/* --- CONTACT --- */
.contact-tech-inline { padding: 100px 0; }
.contact-wrapper { display: flex; background: var(--text-main); color: white; border-radius: 30px; overflow: hidden; }
.contact-info-side { flex: 1; padding: 60px; background: linear-gradient(135deg, #1d1d1f 0%, var(--primary-blue) 150%); }
.contact-form-side { flex: 1.2; padding: 60px; background: white; color: var(--text-main); }
.form-row { display: flex; gap: 20px; }
.form-group { margin-bottom: 20px; flex: 1; }
.form-group input, .form-group textarea { width: 100%; padding: 12px; border: 1px solid var(--border); border-radius: 8px; font-family: inherit; }
.full-width { width: 100%; }

/* --- RESPONSIVE MOBILE (CORRECTIF) --- */
@media (max-width: 992px) {
    .container { padding: 0 20px; }
    .hero-grid { grid-template-columns: 1fr; text-align: center; padding-top: 40px; }
    .hero-text h1 { font-size: 2.8rem; }
    .cta-group { justify-content: center; flex-direction: column; }
    .tech-blob { height: 250px; margin-top: 30px; }
    
    .nav-links { display: none; } /* On cache le menu complexe sur mobile pour l'instant */
    
    .contact-wrapper { flex-direction: column; }
    .form-row { flex-direction: column; gap: 0; }
    .price-card.featured { transform: scale(1); margin: 20px 0; }
    
    .section-header { text-align: center; }
    .bar { margin: 20px auto; }
}

/* --- ANIMATIONS --- */
.fade-in { opacity: 0; transform: translateY(30px); transition: 0.8s ease-out; }
.fade-in.visible { opacity: 1; transform: translateY(0); }