/* CSS Variables */
:root {
    --primary: #1F3A5F; /* Deep Navy */
    --secondary: #F5F5F5; /* Light Gray */
    --accent: #D4A373; /* Warm Gold */
    --text: #2D2D2D; /* Charcoal */
    --cta: #E76F51; /* Terracotta */
    --white: #FFFFFF;
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
}

/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 18px;
    color: var(--text);
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--primary);
    line-height: 1.2;
}

h1 { font-size: 56px; font-weight: 700; }
h2 { font-size: 42px; font-weight: 600; }
h3 { font-size: 32px; font-weight: 600; }
h4 { font-size: 22px; font-weight: 600; }

p { font-weight: 400; line-height: 1.6; margin-bottom: 15px; }
a { text-decoration: none; color: var(--primary); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 100px 0; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 4px;
}
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: #15293f; transform: translateY(-2px); }
.btn-cta { background: var(--cta); color: var(--white); }
.btn-cta:hover { background: #d65a3e; transform: translateY(-2px); box-shadow: 0 4px 15px rgba(231, 111, 81, 0.4); }
.btn-block { width: 100%; }

/* Navigation */
#header { position: fixed; width: 100%; top: 0; left: 0; z-index: 1000; background: rgba(255,255,255,0.95); backdrop-filter: blur(10px); box-shadow: 0 2px 10px rgba(0,0,0,0.05); transition: all 0.3s ease; }
.navbar { display: flex; justify-content: space-between; align-items: center; padding: 20px 0; }
.logo { display: flex; align-items: center; font-family: var(--font-heading); font-weight: 700; font-size: 24px; color: var(--primary); }
.logo-icon { color: var(--accent); font-size: 28px; margin-right: 10px; }
.nav-menu { display: flex; list-style: none; gap: 30px; }
.nav-link { font-weight: 600; font-size: 16px; color: var(--text); transition: color 0.3s; }
.nav-link:hover, .nav-link.active { color: var(--accent); }
.hamburger { display: none; cursor: pointer; flex-direction: column; gap: 5px; }
.hamburger span { width: 25px; height: 3px; background: var(--primary); transition: 0.3s; }

/* Hero */
.hero { height: 100vh; min-height: 600px; position: relative; background: url('https://images.unsplash.com/photo-1503387762-592deb58ef4e?q=80&w=1920') center/cover fixed; display: flex; align-items: center; color: var(--white); }
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(135deg, rgba(31, 58, 95, 0.9), rgba(31, 58, 95, 0.6)); }
.hero-content { position: relative; z-index: 2; max-width: 800px; }
.hero-subtitle { font-size: 18px; color: var(--accent); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 15px; font-weight: 600; }
.hero-title { color: var(--white); font-size: 56px; margin-bottom: 20px; }
.hero-title span { color: var(--accent); }
.hero-text { font-size: 18px; margin-bottom: 30px; color: #e0e0e0; }

/* Section Header */
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag { display: inline-block; background: var(--secondary); color: var(--primary); padding: 8px 20px; border-radius: 20px; font-weight: 600; font-size: 14px; margin-bottom: 15px; }
.section-header h2 { margin-bottom: 15px; }
.section-header p { max-width: 700px; margin: 0 auto; color: #666; }

/* About */
.about-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.about-card { background: var(--white); padding: 40px 30px; border-radius: 8px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); transition: transform 0.3s; border-bottom: 4px solid var(--accent); }
.about-card:hover { transform: translateY(-10px); }
.about-icon { font-size: 40px; color: var(--primary); margin-bottom: 20px; }

/* Stats */
.stats-section { background: var(--primary); padding: 60px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; }
.stat-item h3 { color: var(--accent); font-size: 48px; margin-bottom: 10px; }
.stat-item p { color: var(--white); margin: 0; }

/* Features */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.feature-card { background: var(--secondary); padding: 40px; border-radius: 8px; transition: all 0.3s; }
.feature-card:hover { background: var(--white); box-shadow: 0 15px 40px rgba(0,0,0,0.08); }
.feature-card i { font-size: 36px; color: var(--accent); margin-bottom: 20px; }

/* Process */
.process-section { background: var(--secondary); }
.process-timeline { position: relative; max-width: 1000px; margin: 0 auto; }
.process-step { display: flex; align-items: center; margin-bottom: 40px; position: relative; }
.process-number { background: var(--primary); color: var(--white); width: 60px; height: 60px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 24px; font-weight: 700; flex-shrink: 0; z-index: 2; }
.process-content { background: var(--white); padding: 25px 30px; border-radius: 8px; margin-left: 20px; width: 100%; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }

/* Services */
.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.service-card { background: var(--white); border: 1px solid #eee; padding: 40px; border-radius: 8px; transition: all 0.3s; position: relative; overflow: hidden; }
.service-card::before { content: ''; position: absolute; top: 0; left: 0; width: 5px; height: 0; background: var(--accent); transition: height 0.3s; }
.service-card:hover::before { height: 100%; }
.service-card:hover { transform: translateY(-5px); box-shadow: 0 20px 40px rgba(0,0,0,0.08); }
.service-icon { font-size: 48px; color: var(--primary); margin-bottom: 20px; }
.service-link { font-weight: 600; color: var(--cta); display: inline-flex; align-items: center; gap: 10px; margin-top: 15px; }

/* Warranty CTA */
.warranty-cta { background: var(--accent); padding: 80px 0; text-align: center; color: var(--white); }
.warranty-content h2 { color: var(--white); margin-bottom: 20px; }
.warranty-content p { max-width: 800px; margin: 0 auto 30px; font-size: 18px; }

/* Forms */
.booking-section { background: var(--secondary); }
.form-container { max-width: 800px; margin: 0 auto; background: var(--white); padding: 50px; border-radius: 8px; box-shadow: 0 10px 40px rgba(0,0,0,0.05); }
.form-row { display: flex; gap: 20px; margin-bottom: 20px; }
.form-group { flex: 1; margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 600; font-size: 14px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 12px 15px; border: 1px solid #ccc; border-radius: 4px; font-family: var(--font-body); font-size: 16px; transition: border-color 0.3s; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--primary); outline: none; }

/* FAQ */
.faq-container { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--white); margin-bottom: 15px; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); overflow: hidden; }
.faq-question { width: 100%; padding: 20px 25px; background: none; border: none; text-align: left; font-family: var(--font-heading); font-size: 18px; font-weight: 600; color: var(--primary); cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.faq-question i { transition: transform 0.3s; color: var(--accent); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; padding: 0 25px; }
.faq-answer p { padding-bottom: 20px; color: #666; }
.faq-item.active .faq-answer { max-height: 200px; }
.faq-item.active .faq-question i { transform: rotate(45deg); }

/* Reviews */
.reviews-section { background: var(--secondary); }
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.review-card { background: var(--white); padding: 30px; border-radius: 8px; box-shadow: 0 5px 20px rgba(0,0,0,0.05); }
.stars { color: var(--accent); margin-bottom: 15px; }
.review-card p { font-style: italic; margin-bottom: 20px; }
.reviewer h4 { margin-bottom: 5px; }
.reviewer span { color: #666; font-size: 14px; }

/* Contact */
.contact-wrapper { display: grid; grid-template-columns: 1fr 1.5fr; gap: 50px; background: var(--white); padding: 50px; border-radius: 8px; box-shadow: 0 10px 40px rgba(0,0,0,0.05); }
.contact-info h3 { margin-bottom: 20px; }
.contact-item { display: flex; align-items: flex-start; gap: 20px; margin-bottom: 25px; }
.contact-item i { font-size: 24px; color: var(--accent); margin-top: 5px; }
.contact-form { padding-left: 50px; border-left: 1px solid #eee; }

/* Page Header (Inner Pages) */
.page-header { padding: 150px 0 80px; text-align: center; color: var(--white); }
.page-header h1 { color: var(--white); }

/* Legal Section */
.legal-section { background: var(--white); }
.legal-content { max-width: 900px; margin: 0 auto; }
.legal-content h2 { margin-bottom: 30px; }
.legal-content h3 { margin-top: 30px; margin-bottom: 15px; color: var(--primary); }
.legal-content p { color: #555; margin-bottom: 15px; }

/* Footer */
.footer { background: var(--primary); color: var(--white); padding: 60px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 40px; }
.footer-col h4 { color: var(--white); margin-bottom: 20px; }
.footer-col p { color: #b0b8c4; margin-bottom: 20px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: #b0b8c4; transition: color 0.3s; }
.footer-col ul li a:hover { color: var(--accent); }
.footer-logo { color: var(--white); margin-bottom: 20px; }
.social-links { display: flex; gap: 15px; }
.social-links a { width: 40px; height: 40px; background: rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center; border-radius: 50%; color: var(--white); transition: background 0.3s; }
.social-links a:hover { background: var(--accent); }
.subscribe-form { display: flex; margin-top: 20px; }
.subscribe-form input { flex: 1; padding: 12px; border: none; border-radius: 4px 0 0 4px; font-size: 16px; }
.subscribe-form button { background: var(--cta); color: var(--white); border: none; padding: 0 20px; cursor: pointer; border-radius: 0 4px 4px 0; transition: background 0.3s; }
.subscribe-form button:hover { background: #d65a3e; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; }
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { margin: 0; color: #b0b8c4; font-size: 14px; }
.footer-bottom ul { display: flex; gap: 20px; list-style: none; }
.footer-bottom ul li a { color: #b0b8c4; font-size: 14px; }

/* Animations */
.reveal { opacity: 0; transform: translateY(40px); transition: all 0.8s cubic-bezier(0.5, 0, 0, 1); }
.reveal.active { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 992px) {
    h1 { font-size: 42px; }
    h2 { font-size: 32px; }
    .nav-menu { display: none; position: absolute; top: 100%; left: 0; width: 100%; background: var(--white); flex-direction: column; padding: 20px; box-shadow: 0 5px 10px rgba(0,0,0,0.1); }
    .nav-menu.active { display: flex; }
    .hamburger { display: flex; }
    .about-grid, .feature-grid, .reviews-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-wrapper { grid-template-columns: 1fr; }
    .contact-form { padding-left: 0; border-left: none; border-top: 1px solid #eee; padding-top: 30px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    h1 { font-size: 36px; }
    .section { padding: 60px 0; }
    .form-row { flex-direction: column; gap: 0; }
    .stats-grid, .about-grid, .feature-grid, .reviews-grid, .services-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom .container { flex-direction: column; gap: 10px; text-align: center; }
    .hero { background-attachment: scroll; }
}