:root {
    --primary: #0a192f;       /* Bleu nuit profond */
    --accent: #c5a059;        /* Doré discret (luxe) */
    --text-dark: #1a1a1a;
    --text-light: #f8f9fa;
    --bg-light: #f4f4f4;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: #fff;
}

/* Header & Nav */
header {
    padding: 20px 10%;
    position: fixed;
    width: 100%;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid #eee;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: 1px;
}

.logo span {
    color: var(--accent);
}

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

nav ul li {
    margin: 0 20px;
}

nav ul li a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.btn-contact {
    background: var(--primary);
    color: white;
    padding: 10px 25px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.btn-contact:hover {
    background: var(--accent);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(rgba(10, 25, 47, 0.8), rgba(10, 25, 47, 0.8)), 
                url('https://images.unsplash.com/photo-1503387762-592de58d45ce?auto=format&fit=crop&q=80') no-repeat center center/cover;
    color: white;
    padding: 0 15%;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    font-weight: 800;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.btn-primary {
    background: var(--accent);
    padding: 15px 35px;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    margin: 10px;
    display: inline-block;
    font-weight: bold;
}

.btn-secondary {
    border: 2px solid white;
    padding: 13px 35px;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    margin: 10px;
    display: inline-block;
}

/* Sections */
.section {
    padding: 100px 10%;
}

.bg-light {
    background-color: var(--bg-light);
}

.subtitle {
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.8rem;
    font-weight: 700;
    display: block;
    margin-bottom: 10px;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
}

.intro-text {
    margin-bottom: 50px;
    color: #666;
}

/* Hardware Cards */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    padding: 40px;
    border: 1px solid #eee;
    border-radius: 10px;
    transition: var(--transition);
    background: white;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
    border-color: var(--accent);
}

.card.featured {
    border: 2px solid var(--accent);
    position: relative;
}

.badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: var(--accent);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.7rem;
}

.card ul {
    list-style: none;
    margin-top: 20px;
}

.card ul li::before {
    content: "✓ ";
    color: var(--accent);
}

/* Software Section */
.software-container {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.soft-box {
    flex: 1;
    min-width: 300px;
    padding: 50px;
    background: var(--primary);
    color: white;
    border-radius: 15px;
}

/* Tips Grid */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.tip-item {
    padding: 30px;
    background: white;
    border-left: 4px solid var(--accent);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.tip-number {
    font-size: 3rem;
    font-weight: 800;
    color: #eee;
    margin-bottom: -20px;
}

/* Training Section */
.video-placeholder {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    background: #000;
    height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 15px;
    color: white;
}

/* Footer */
footer {
    background: var(--primary);
    color: white;
    padding: 60px 10% 30px;
}

.footer-content {
    text-align: center;
}

.socials {
    margin: 20px 0;
}

.socials a {
    color: white;
    margin: 0 15px;
    text-decoration: none;
    font-weight: bold;
}

.copy {
    margin-top: 40px;
    font-size: 0.8rem;
    opacity: 0.6;
}

/* Responsive */
@media (max-width: 768px) {
    nav ul { display: none; }
    .hero h1 { font-size: 2.5rem; }
}