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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #0a0e27;
    color: #fff;
    overflow-x: hidden;
}

nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 2rem;
    border-bottom: 2px solid #ff4655;
}

.nav-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    background: linear-gradient(135deg, #ff4655, #00d4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 60px;  
    width: auto;
}

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

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
}

.nav-links a:hover {
    color: #ff4655;
    transform: translateY(-2px);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #ff4655;
    transition: width 0.3s;
}

.nav-links a:hover::after {
    width: 100%;
}

section {
    padding: 6rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

#accueil {
    background: linear-gradient(135deg, #0a0e27 0%, #1a1e47 100%);
    position: relative;
    overflow: hidden;
}

#accueil::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 70, 85, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

h1 {
    font-size: 5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #fff, #ff4655, #00d4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: slideIn 1s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tagline {
    font-size: 1.5rem;
    color: #aaa;
    margin-bottom: 3rem;
    animation: slideIn 1s ease-out 0.2s both;
}

.cta-button {
    display: inline-block;
    padding: 1rem 3rem;
    background: linear-gradient(135deg, #ff4655, #ff6b7a);
    color: #fff;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: bold;
    border-radius: 50px;
    transition: all 0.3s;
    animation: slideIn 1s ease-out 0.4s both;
    box-shadow: 0 10px 30px rgba(255, 70, 85, 0.4);
}

.cta-button:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 40px rgba(255, 70, 85, 0.6);
}

h2 {
    font-size: 3rem;
    margin-bottom: 3rem;
    text-align: center;
    background: linear-gradient(135deg, #fff, #00d4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(241px, 1fr));
    gap: 2rem;
}

.card {
    background: linear-gradient(135deg, rgba(26, 30, 71, 0.8), rgba(15, 18, 45, 0.9));
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 70, 85, 0.3);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 70, 85, 0.1), transparent);
    transition: left 0.5s;
}

.card:hover::before {
    left: 100%;
}

.card:hover {
    transform: translateY(-10px);
    border-color: #ff4655;
    box-shadow: 0 20px 40px rgba(255, 70, 85, 0.3);
}

.card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #ff4655;
}

.card p {
    color: #ccc;
    line-height: 1.6;
}

.character-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #ff4655, #00d4ff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.mode-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(0, 212, 255, 0.2);
    border: 1px solid #00d4ff;
    border-radius: 20px;
    margin-top: 1rem;
    font-size: 0.9rem;
    color: #00d4ff;
}

.install-steps {
    background: rgba(26, 30, 71, 0.6);
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid #ff4655;
    margin-bottom: 2rem;
}

.install-steps ol {
    margin-left: 1.5rem;
    margin-top: 1rem;
}

.install-steps li {
    margin-bottom: 1rem;
    line-height: 1.8;
    color: #ddd;
}

.download-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, #00d4ff, #0099cc);
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    border-radius: 50px;
    transition: all 0.3s;
    margin-top: 1rem;
}

.download-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #00d4ff;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(26, 30, 71, 0.6);
    border: 1px solid rgba(255, 70, 85, 0.3);
    border-radius: 10px;
    color: #fff;
    font-size: 1rem;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #ff4655;
    box-shadow: 0 0 20px rgba(255, 70, 85, 0.3);
}

textarea {
    resize: vertical;
    min-height: 150px;
}

.submit-button {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, #ff4655, #ff6b7a);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
}

.submit-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 70, 85, 0.4);
}

footer {
    background: #050814;
    padding: 2rem;
    text-align: center;
    border-top: 2px solid #ff4655;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
}

.social-links a {
    color: #fff;
    font-size: 1.5rem;
    transition: all 0.3s;
}

.social-links a:hover {
    color: #ff4655;
    transform: scale(1.2);
}

@media (max-width: 768px) {
    h1 {
        font-size: 3rem;
    }

    h2 {
        font-size: 2rem;
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }

    section {
        padding: 4rem 1rem;
    }
}