/* Import Poppins Font */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary-dark: #0369A1;
    --primary-light: #0EA5E9;
    --accent: #F97316;
    --bg-light: #F8FAFC;
    --bg-dark: #0F172A;
    --text-dark: #0F172A;
    --text-light: #F8FAFC;
    --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Poppins', sans-serif; color: var(--text-dark); background: var(--bg-light); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; height: auto; }

/* Utility Classes */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section-padding { padding: 80px 0; }
.text-center { text-align: center; }
.btn { display: inline-block; padding: 14px 32px; border-radius: 50px; font-weight: 600; cursor: pointer; border: none; transition: var(--transition); }
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--primary-light); transform: translateY(-3px); box-shadow: 0 10px 20px rgba(14, 165, 233, 0.3); }
.btn-secondary { background: var(--primary-dark); color: white; }
.btn-secondary:hover { background: var(--primary-light); }

/* Typography */
h1, h2, h3, h4 { color: var(--primary-dark); font-weight: 700; line-height: 1.2; margin-bottom: 1rem; }
h2 { font-size: 2.5rem; position: relative; display: inline-block; }
h2::after { content: ''; position: absolute; bottom: -10px; left: 50%; transform: translateX(-50%); width: 60px; height: 4px; background: var(--accent); border-radius: 2px; }
.section-subtitle { color: var(--primary-light); font-weight: 600; text-transform: uppercase; letter-spacing: 2px; font-size: 0.9rem; margin-bottom: 10px; display: block; }

/* 1. Navigation */
.navbar { position: fixed; top: 0; width: 100%; background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(10px); z-index: 1000; box-shadow: 0 2px 15px rgba(0,0,0,0.05); padding: 15px 0; }
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 1.5rem; font-weight: 800; color: var(--primary-dark); }
.logo i { color: var(--accent); font-size: 1.8rem; }
.nav-menu { display: flex; gap: 30px; align-items: center; }
.nav-link { font-weight: 500; color: var(--text-dark); position: relative; }
.nav-link:hover, .nav-link.active { color: var(--primary-light); }
.nav-link::after { content: ''; position: absolute; bottom: -5px; left: 0; width: 0; height: 2px; background: var(--accent); transition: var(--transition); }
.nav-link:hover::after { width: 100%; }
.hamburger { display: none; font-size: 1.5rem; cursor: pointer; color: var(--primary-dark); }

/* 2. Hero Section */
.hero { min-height: 100vh; display: flex; align-items: center; background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary-dark) 100%); color: white; padding-top: 80px; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -50%; right: -20%; width: 800px; height: 800px; background: var(--primary-light); opacity: 0.1; border-radius: 50%; }
.hero-content { max-width: 600px; position: relative; z-index: 2; }
.hero h1 { font-size: 3.5rem; color: white; margin-bottom: 20px; }
.hero p { font-size: 1.2rem; margin-bottom: 30px; opacity: 0.9; }
.hero .btn-primary { font-size: 1.1rem; padding: 16px 40px; }

/* 3. About Us */
.about-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; margin-top: 40px; }
.about-card { background: white; padding: 30px; border-radius: 15px; box-shadow: 0 5px 20px rgba(0,0,0,0.05); border-top: 4px solid var(--primary-light); transition: var(--transition); }
.about-card:hover { transform: translateY(-10px); box-shadow: 0 15px 30px rgba(0,0,0,0.1); }
.about-card i { font-size: 2.5rem; color: var(--accent); margin-bottom: 15px; }

/* 4. Statistics */
.stats-section { background: var(--primary-dark); color: white; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 30px; text-align: center; }
.stat-item h3 { font-size: 3rem; color: var(--accent); margin-bottom: 5px; }
.stat-item p { font-size: 1.1rem; opacity: 0.9; }

/* 5. Features (Why Choose Us) */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 40px; }
.feature-card { background: white; padding: 35px; border-radius: 15px; text-align: center; box-shadow: 0 5px 15px rgba(0,0,0,0.05); transition: var(--transition); }
.feature-card:hover { transform: translateY(-5px); box-shadow: 0 15px 30px rgba(14, 165, 233, 0.15); }
.feature-card i { font-size: 2.5rem; color: var(--primary-light); margin-bottom: 20px; background: rgba(14, 165, 233, 0.1); width: 70px; height: 70px; line-height: 70px; border-radius: 50%; }

/* 6. Work Process */
.process-section { background: var(--bg-light); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px; position: relative; }
.process-grid::before { content: ''; position: absolute; top: 40px; left: 10%; right: 10%; height: 3px; background: var(--primary-light); z-index: 0; }
.process-step { background: white; padding: 30px 20px; border-radius: 15px; text-align: center; position: relative; z-index: 1; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
.step-number { width: 50px; height: 50px; background: var(--accent); color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1.2rem; margin: 0 auto 20px; border: 4px solid var(--bg-light); }

/* 7. Services */
.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; margin-top: 40px; }
.service-card { display: flex; gap: 20px; background: white; padding: 30px; border-radius: 15px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); transition: var(--transition); border-left: 5px solid transparent; }
.service-card:hover { border-left-color: var(--accent); transform: translateX(10px); }
.service-icon { min-width: 60px; height: 60px; background: rgba(3, 105, 161, 0.1); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: var(--primary-dark); font-size: 1.5rem; }

/* 8. Insurance & Warranty */
.warranty-section { background: linear-gradient(rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.9)), url('https://images.unsplash.com/photo-1450101499163-c8848c66ca85?auto=format&fit=crop&w=1920') center/cover fixed; color: white; text-align: center; }
.warranty-section h2 { color: white; }
.warranty-section h2::after { background: var(--accent); }

/* 9 & 12. Forms (Booking & Contact) */
.form-container { background: white; padding: 40px; border-radius: 20px; box-shadow: 0 10px 30px rgba(0,0,0,0.08); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 500; color: var(--text-dark); }
.form-control { width: 100%; padding: 14px; border: 2px solid #e2e8f0; border-radius: 8px; font-family: 'Poppins', sans-serif; transition: var(--transition); }
.form-control:focus { outline: none; border-color: var(--primary-light); box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.contact-info-item { display: flex; gap: 15px; margin-bottom: 25px; }
.contact-info-item i { width: 50px; height: 50px; background: var(--primary-light); color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; }

/* 10. FAQ */
.faq-item { background: white; margin-bottom: 15px; border-radius: 10px; overflow: hidden; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
.faq-question { padding: 20px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-weight: 600; color: var(--primary-dark); transition: var(--transition); }
.faq-question:hover { background: var(--bg-light); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; padding: 0 20px; color: #64748b; }
.faq-item.active .faq-answer { max-height: 200px; padding-bottom: 20px; }
.faq-item.active .faq-question { color: var(--accent); }

/* 11. Reviews */
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 40px; }
.review-card { background: white; padding: 30px; border-radius: 15px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); position: relative; }
.review-card::before { content: '"'; position: absolute; top: 20px; right: 20px; font-size: 4rem; color: var(--primary-light); opacity: 0.2; font-family: serif; }
.stars { color: #FBBF24; margin-bottom: 15px; }
.reviewer { display: flex; align-items: center; gap: 15px; margin-top: 20px; }
.reviewer-img { width: 50px; height: 50px; border-radius: 50%; background: var(--bg-light); display: flex; align-items: center; justify-content: center; font-weight: 700; color: var(--primary-dark); }

/* 13. Footer */
.footer { background: var(--bg-dark); color: #94a3b8; padding: 70px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 50px; }
.footer h4 { color: white; margin-bottom: 25px; font-size: 1.2rem; }
.footer-links li { margin-bottom: 12px; }
.footer-links a:hover { color: var(--accent); padding-left: 5px; }
.footer-bottom { border-top: 1px solid #1e293b; padding: 25px 0; text-align: center; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 15px; }
.footer-bottom a { color: var(--primary-light); }

/* Responsive */
@media (max-width: 992px) {
    .features-grid, .reviews-grid { grid-template-columns: repeat(2, 1fr); }
    .process-grid { grid-template-columns: repeat(2, 1fr); }
    .process-grid::before { display: none; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .hamburger { display: block; }
    .nav-menu { position: fixed; top: 70px; right: -100%; width: 100%; height: calc(100vh - 70px); background: white; flex-direction: column; padding: 40px; transition: var(--transition); box-shadow: -5px 0 15px rgba(0,0,0,0.1); }
    .nav-menu.active { right: 0; }
    .hero h1 { font-size: 2.5rem; }
    .services-grid, .contact-grid, .features-grid, .reviews-grid, .process-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
}