:root {
    --primary: #c5a059;
    --primary-dark: #a38142;
    --secondary: #1a252f;
    --accent: #f8f5f0;
    --text: #2c3e50;
    --gray: #6c7a89;
    --white: #ffffff;
    --border: #e2e8f0;
    --shadow: 0 10px 30px rgba(0,0,0,0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif; color: var(--text); background-color: var(--accent); line-height: 1.8; }
.container { width: 90%; max-width: 1200px; margin: 0 auto; padding: 0 15px; }

header { background: var(--white); box-shadow: 0 4px 20px rgba(0,0,0,0.05); position: sticky; top: 0; z-index: 1000; }
header .container { display: flex; justify-content: space-between; align-items: center; padding: 20px 0; }
.logo { font-size: 24px; font-weight: 700; color: var(--secondary); letter-spacing: 0.5px; }
nav ul { list-style: none; display: flex; align-items: center; }
nav ul li { margin-left: 25px; }
nav ul li a { text-decoration: none; color: var(--secondary); font-weight: 600; font-size: 15px; transition: color 0.3s ease; }
nav ul li a:hover, nav ul li a.active { color: var(--primary); }
.btn-devis { background: var(--primary); color: var(--white) !important; padding: 12px 24px; border-radius: 30px; font-weight: 600; box-shadow: 0 4px 15px rgba(197, 160, 89, 0.3); transition: all 0.3s ease; }
.btn-devis:hover { background: var(--primary-dark); transform: translateY(-2px); }

.hero-slider { position: relative; height: 600px; background: #000; overflow: hidden; }
.slide { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-size: cover; background-position: center; opacity: 0; transition: opacity 1.2s ease-in-out; display: flex; align-items: center; justify-content: center; text-align: center; color: var(--white); }
.slide.active { opacity: 1; }
.slide::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.7)); }
.slide-content { position: relative; z-index: 2; max-width: 900px; padding: 0 20px; }
.slide-content h1 { font-size: 46px; margin-bottom: 20px; font-weight: 800; letter-spacing: -0.5px; text-shadow: 0 2px 10px rgba(0,0,0,0.3); }
.slide-content p { font-size: 20px; margin-bottom: 35px; font-weight: 300; color: #f1f5f9; }
.cta-group { display: flex; justify-content: center; gap: 20px; }
.btn-primary, .btn-whatsapp { display: inline-flex; align-items: center; padding: 15px 35px; border-radius: 30px; font-weight: 700; text-decoration: none; box-shadow: 0 6px 20px rgba(0,0,0,0.2); transition: all 0.3s ease; font-size: 16px; }
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-3px); }
.btn-whatsapp { background: #25d366; color: var(--white); }
.btn-whatsapp:hover { background: #20ba5a; transform: translateY(-3px); }

.services-overview, .advantages, .page-content { padding: 90px 0; background: var(--white); }
.advantages { background: var(--accent); }
h2 { text-align: center; margin-bottom: 60px; color: var(--secondary); font-size: 38px; font-weight: 800; letter-spacing: -0.5px; }
.grid, .grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 35px; }
.card, .adv-card { background: var(--white); padding: 40px 30px; border-radius: 16px; box-shadow: var(--shadow); border-top: 5px solid var(--primary); transition: all 0.3s ease; display: flex; flex-direction: column; justify-content: space-between; }
.card:hover, .adv-card:hover { transform: translateY(-8px); box-shadow: 0 20px 40px rgba(0,0,0,0.12); }
.card img, .page-img { width: 100%; height: 220px; object-fit: cover; border-radius: 12px; margin-bottom: 20px; }
.card h3, .adv-card h3 { font-size: 22px; color: var(--secondary); margin-bottom: 15px; font-weight: 700; }
.card p, .adv-card p { color: var(--gray); font-size: 15px; margin-bottom: 20px; }
.link { color: var(--primary); text-decoration: none; font-weight: 700; display: inline-flex; align-items: center; gap: 5px; transition: gap 0.3s ease; }
.link:hover { gap: 10px; }

.page-content h1 { color: var(--secondary); font-size: 42px; margin-bottom: 25px; font-weight: 800; }
.page-content h2 { text-align: left; font-size: 28px; margin: 40px 0 20px 0; color: var(--secondary); }
.page-content h3 { font-size: 20px; margin: 25px 0 15px 0; color: var(--secondary); }
.page-content p { margin-bottom: 20px; font-size: 17px; color: var(--text); }
.page-content ul { margin: 20px 0 25px 25px; }
.page-content li { margin-bottom: 10px; font-size: 17px; color: var(--text); }
.lead { font-size: 20px; color: var(--gray); margin-bottom: 40px; }
.responsive-img { width: 100%; max-height: 550px; object-fit: cover; border-radius: 16px; margin: 35px 0; box-shadow: var(--shadow); }
.cta-box { background: var(--accent); border-left: 6px solid var(--primary); padding: 50px; margin-top: 60px; border-radius: 12px; text-align: center; }
.contact-form { max-width: 700px; margin: 0 auto; background: var(--accent); padding: 50px; border-radius: 16px; box-shadow: var(--shadow); }
.form-group { margin-bottom: 25px; }
.form-group label { display: block; margin-bottom: 10px; font-weight: 600; color: var(--secondary); }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 16px; border: 1px solid var(--border); border-radius: 10px; font-size: 16px; background: var(--white); transition: border-color 0.3s; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--primary); }
footer { background: var(--secondary); color: var(--white); text-align: center; padding: 50px 0; margin-top: 80px; font-size: 15px; }