:root {
    --primary-color: #0056b3;
    --accent-color: #e63946;
    --text-color: #333;
    --bg-light: #f8f9fa;
    --white: #ffffff;
}

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

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

.container { width: 90%; max-width: 1100px; margin: 0 auto; }

/* Header & Sticky CTA */
.sticky-header {
    position: sticky; top: 0;
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 15px 0;
    z-index: 1000;
}
.header-flex {
    display: flex; justify-content: space-between; align-items: center;
}
.logo { font-size: 1.5rem; font-weight: 800; color: var(--primary-color); }
.logo span { color: var(--text-color); }

/* Buttons */
.cta-button {
    background: var(--accent-color);
    color: var(--white);
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: 600;
    text-align: center;
    display: inline-block;
    transition: background 0.3s ease;
}
.cta-button:hover { background: #c1121f; }
.primary-cta { font-size: 1.2rem; padding: 15px 30px; width: 100%; max-width: 400px; margin: 20px 0; }
.pulse { animation: pulse 2s infinite; }
@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(230, 57, 70, 0.7); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 10px rgba(230, 57, 70, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(230, 57, 70, 0); }
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 86, 179, 0.9), rgba(0, 86, 179, 0.8)), center/cover;
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}
.trust-badge {
    background: rgba(255,255,255,0.2);
    display: inline-block; padding: 5px 15px;
    border-radius: 20px; font-size: 0.9rem; margin-bottom: 15px; font-weight: 600;
}
.hero h1 { font-size: 2.5rem; margin-bottom: 20px; line-height: 1.2; text-transform: capitalize; }
.hero-subtitle { font-size: 1.1rem; max-width: 700px; margin: 0 auto; margin-bottom: 20px; }
.hero-actions { display: flex; flex-direction: column; align-items: center; }
.devis-text { font-size: 0.9rem; font-weight: 600; }

/* Grid Layouts */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.benefits { padding: 50px 0; background: var(--bg-light); }
.benefit-card { background: var(--white); padding: 25px; border-radius: 8px; box-shadow: 0 4px 6px rgba(0,0,0,0.05); text-align: center; }
.benefit-card h3 { color: var(--primary-color); margin-bottom: 15px; }

/* Services */
.services { padding: 50px 0; }
.services h2 { text-align: center; margin-bottom: 30px; font-size: 2rem; }
.service-list { list-style: none; max-width: 600px; margin: 0 auto; font-size: 1.1rem; }
.service-list li { padding: 10px; border-bottom: 1px solid #ddd; }

/* Reviews */
.reviews { background: var(--bg-light); padding: 50px 0; text-align: center; }
.reviews h2 { margin-bottom: 30px; }
.review-box { max-width: 600px; margin: 0 auto; background: var(--white); padding: 30px; border-radius: 8px; box-shadow: 0 4px 6px rgba(0,0,0,0.05); }
.stars { color: #ffb703; font-size: 1.5rem; margin-bottom: 15px; }
.review-author { font-weight: 600; margin-top: 15px; }

/* Footer */
footer { background: #222; color: #fff; text-align: center; padding: 30px 0; }
footer a { color: var(--accent-color); font-weight: bold; text-decoration: none; }

/* Mobile Optimizations */
@media(max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .hero { padding: 40px 0; }
}