/* ============================================
   DUPONT PLOMBERIE - Artisan Plombier
   Design Professionnel & Accessible
   ============================================ */

:root {
    --primary: #0066cc;
    --primary-dark: #004999;
    --secondary: #ff6600;
    --secondary-light: #ff8533;
    --noir: #222;
    --gris-dark: #444;
    --gris: #666;
    --gris-light: #999;
    --blanc: #fff;
    --blanc-off: #f5f7fa;
    --success: #28a745;
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    --shadow: 0 5px 25px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
    --radius: 8px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); color: var(--gris-dark); font-size: 16px; line-height: 1.7; background: var(--blanc); }

h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 700; color: var(--noir); line-height: 1.3; }
h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
p { color: var(--gris); }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--secondary); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 5rem 0; }
.text-center { text-align: center; }
.bg-light { background: var(--blanc-off); }
.bg-primary { background: var(--primary); color: var(--blanc); }
.bg-primary h2, .bg-primary h3 { color: var(--blanc); }
.bg-primary p { color: rgba(255,255,255,0.9); }

.section-header { text-align: center; margin-bottom: 3rem; }
.section-subtitle { display: inline-block; font-size: 0.85rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--secondary); background: rgba(255,102,0,0.1); padding: 0.3rem 1rem; border-radius: 20px; margin-bottom: 0.8rem; }
.section-header p { max-width: 600px; margin: 0.8rem auto 0; }

.btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 1rem 2rem; font-family: var(--font-heading); font-size: 0.95rem; font-weight: 600; border: none; border-radius: var(--radius); cursor: pointer; transition: var(--transition); }
.btn-primary { background: var(--primary); color: var(--blanc); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--secondary); color: var(--blanc); }
.btn-secondary:hover { background: var(--secondary-light); }
.btn-outline { background: transparent; border: 2px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: var(--blanc); }
.btn-white { background: var(--blanc); color: var(--primary); }
.btn-white:hover { background: var(--blanc-off); }
.btn-lg { padding: 1.2rem 2.5rem; font-size: 1.1rem; }

/* Top Bar */
.top-bar { background: var(--noir); color: var(--blanc); padding: 0.5rem 0; font-size: 0.85rem; }
.top-bar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem; }
.top-bar a { color: var(--blanc); }
.top-bar .phone { font-weight: 600; color: var(--secondary); }

/* Navigation */
.navbar { background: var(--blanc); box-shadow: var(--shadow); padding: 1rem 0; position: sticky; top: 0; z-index: 1000; }
.navbar .container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700; color: var(--primary); display: flex; align-items: center; gap: 0.5rem; }
.logo span { color: var(--secondary); }
.nav-links { display: flex; list-style: none; gap: 2rem; }
.nav-links a { font-size: 0.95rem; font-weight: 500; color: var(--gris-dark); }
.nav-links a:hover { color: var(--primary); }
.nav-cta { display: flex; gap: 1rem; align-items: center; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.nav-toggle span { width: 25px; height: 3px; background: var(--primary); border-radius: 2px; }

/* Hero */
.hero { background: linear-gradient(rgba(0,102,204,0.9), rgba(0,102,204,0.95)), url('https://images.unsplash.com/photo-1585704032915-c3400ca199e7?w=1920') center/cover; padding: 5rem 0; color: var(--blanc); }
.hero-content { max-width: 600px; }
.hero-content h1 { color: var(--blanc); margin-bottom: 1rem; }
.hero-content p { font-size: 1.1rem; margin-bottom: 2rem; color: rgba(255,255,255,0.9); }
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-features { display: flex; gap: 2rem; margin-top: 3rem; flex-wrap: wrap; }
.hero-feature { display: flex; align-items: center; gap: 0.5rem; }
.hero-feature span { font-size: 1.5rem; }

/* Urgence Banner */
.urgence-banner { background: var(--secondary); padding: 1rem 0; text-align: center; }
.urgence-banner p { color: var(--blanc); font-weight: 600; font-size: 1.1rem; margin: 0; }
.urgence-banner a { color: var(--blanc); text-decoration: underline; }

/* Services */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.service-card { background: var(--blanc); padding: 2rem; border-radius: var(--radius); box-shadow: var(--shadow); text-align: center; transition: var(--transition); }
.service-card:hover { transform: translateY(-5px); }
.service-icon { width: 70px; height: 70px; margin: 0 auto 1.5rem; background: var(--blanc-off); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 2rem; }
.service-card h3 { margin-bottom: 0.8rem; }

/* Why Us */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
.why-card { text-align: center; padding: 1.5rem; }
.why-icon { font-size: 3rem; margin-bottom: 1rem; }
.why-card h3 { margin-bottom: 0.5rem; color: var(--blanc); }
.why-card p { color: rgba(255,255,255,0.8); }

/* Zone */
.zone-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.zone-image img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow); }
.zone-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; list-style: none; margin: 1.5rem 0; }
.zone-list li { display: flex; align-items: center; gap: 0.5rem; }
.zone-list li::before { content: '✓'; color: var(--success); font-weight: bold; }

/* Testimonials */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.testimonial-card { background: var(--blanc); padding: 2rem; border-radius: var(--radius); box-shadow: var(--shadow); }
.testimonial-stars { color: #ffc107; margin-bottom: 1rem; font-size: 1.2rem; }
.testimonial-text { font-style: italic; margin-bottom: 1.5rem; }
.testimonial-author { display: flex; align-items: center; gap: 1rem; }
.testimonial-author img { width: 50px; height: 50px; border-radius: 50%; object-fit: cover; }
.testimonial-author h4 { margin: 0; font-size: 1rem; }
.testimonial-author span { font-size: 0.85rem; color: var(--gris-light); }

/* CTA */
.cta-section { background: var(--secondary); padding: 4rem 0; text-align: center; }
.cta-section h2 { color: var(--blanc); }
.cta-section p { color: rgba(255,255,255,0.9); max-width: 600px; margin: 1rem auto 2rem; }
.cta-phone { font-family: var(--font-heading); font-size: 2.5rem; font-weight: 700; color: var(--blanc); display: block; margin-bottom: 1.5rem; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 3rem; }
.contact-info { background: var(--primary); color: var(--blanc); padding: 2.5rem; border-radius: var(--radius); }
.contact-info h3 { color: var(--blanc); margin-bottom: 2rem; }
.contact-item { display: flex; gap: 1rem; margin-bottom: 1.5rem; }
.contact-icon { font-size: 1.5rem; }
.contact-form { background: var(--blanc); padding: 2.5rem; border-radius: var(--radius); box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: 0.9rem; font-weight: 500; margin-bottom: 0.5rem; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 0.9rem; border: 1px solid #ddd; border-radius: var(--radius); font-family: var(--font-body); font-size: 1rem; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--primary); }
.form-group textarea { min-height: 120px; resize: vertical; }

/* Footer */
.footer { background: var(--noir); color: var(--blanc); padding: 4rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-brand .logo { margin-bottom: 1rem; }
.footer-brand p { color: rgba(255,255,255,0.7); }
.footer h4 { font-size: 1rem; margin-bottom: 1.5rem; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.6rem; }
.footer-links a { color: rgba(255,255,255,0.7); font-size: 0.95rem; }
.footer-links a:hover { color: var(--secondary); }
.footer-bottom { padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.1); text-align: center; }
.footer-bottom p { color: rgba(255,255,255,0.6); font-size: 0.9rem; }

/* Page Header */
.page-header { background: linear-gradient(rgba(0,102,204,0.9), rgba(0,102,204,0.95)), url('https://images.unsplash.com/photo-1585704032915-c3400ca199e7?w=1920') center/cover; padding: 8rem 0 3rem; text-align: center; }
.page-header h1 { color: var(--blanc); margin-bottom: 0.5rem; }
.page-header p { color: rgba(255,255,255,0.9); }

/* Responsive */
@media (max-width: 1024px) {
    .nav-links { position: fixed; top: 0; right: -100%; width: 280px; height: 100vh; background: var(--blanc); flex-direction: column; justify-content: center; align-items: center; gap: 2rem; box-shadow: var(--shadow); transition: var(--transition); }
    .nav-links.active { right: 0; }
    .nav-toggle { display: flex; }
    .nav-cta { display: none; }
    .services-grid, .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .zone-grid, .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .section { padding: 3rem 0; }
    .top-bar .container { justify-content: center; text-align: center; }
    .services-grid, .testimonials-grid, .why-grid, .footer-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .hero-buttons { flex-direction: column; }
    .hero-features { flex-direction: column; gap: 1rem; }
    .zone-list { grid-template-columns: 1fr; }
}