/* 1. Variables et Configuration Globale */
:root {
    --bg-dark: #0a192f;
    --bg-medium: #112240;
    --bg-light: #162a48;
    --text-primary: #dbeafe;
    --text-secondary: #a8b2d1;
    --accent-primary: #00bfff;
    --accent-secondary: #7f5af0;
    --font-family: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
}

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

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--accent-primary);
    margin-bottom: 50px;
}

/* 2. Header & Hero */
.hero {
    background: linear-gradient(rgba(10, 25, 47, 0.85), rgba(10, 25, 47, 0.95)), url('bg-tech.png') no-repeat center center/cover;
    text-align: center;
    padding: 120px 20px;
    position: relative;
}

.language-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
}

.language-toggle a {
    background: var(--bg-light);
    color: var(--accent-primary);
    padding: 8px 16px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s, color 0.3s;
}

.language-toggle a:hover {
    background-color: var(--accent-primary);
    color: var(--bg-dark);
}

.logo {
    width: 150px;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 2.8rem;
    margin-bottom: 10px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.cta-button {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    padding: 16px 40px;
    border-radius: 50px;
    text-decoration: none;
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s, box-shadow 0.3s;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.5);
}

/* 3. Sections */
.services-section, .contact-section, .quote-section {
    padding: 80px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--bg-light);
    border-radius: 12px;
    padding: 40px 30px;
    text-align: center;
    border: 1px solid #1d345a;
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.service-card h4 {
    color: var(--accent-secondary);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.contact-section {
    background-color: var(--bg-medium);
    text-align: center;
}

.contact-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.contact-button {
    background-color: var(--accent-secondary);
    color: white;
    padding: 14px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s;
}

.contact-button:hover {
    background-color: #6a49d8;
}

.contact-info {
    color: var(--text-secondary);
}
.contact-info p {
    margin: 5px 0;
}
.contact-info a {
    color: var(--text-secondary);
    text-decoration: none;
}
.contact-info a:hover {
    color: var(--accent-primary);
}


/* 4. Formulaire de Devis */
.quote-form-container {
    background-color: var(--bg-light);
    padding: 40px;
    border-radius: 12px;
    max-width: 700px;
    margin: 0 auto;
    border: 1px solid #1d345a;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background-color: var(--bg-dark);
    border: 1px solid #2a4162;
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: var(--font-family);
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 191, 255, 0.3);
}

.submit-button {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: opacity 0.3s;
}

.submit-button:hover {
    opacity: 0.9;
}

/* 5. Footer */
.footer {
    background-color: #02172e;
    color: var(--text-secondary);
    text-align: center;
    padding: 40px 20px;
    font-size: 0.9rem;
}

/* 6. Animations et Responsive */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s, transform 0.6s;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.2rem;
    }
    .section-title {
        font-size: 2rem;
    }
    .quote-form-container {
        padding: 20px;
    }
}