/* =========================================
   VoltTech Electric | Style Guide
   ========================================= */

:root {
    /* Color Palette - Professional Contractor */
    --primary: #f59e0b; /* Vibrant Amber/Yellow */
    --primary-light: #fbbf24;
    --primary-dark: #d97706;
    --secondary: #1e293b; /* Deep Slate Blue */
    --accent: #3b82f6; /* Trustworthy Blue */
    
    /* Neutral Colors */
    --text-main: #334155; /* Slate Gray */
    --text-muted: #64748b;
    --bg-light: #f8fafc; /* Very light slate */
    --bg-white: #ffffff;
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Layout */
    --container-width: 1200px;
    --transition: all 0.3s ease;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-pill: 100px;
    
    /* Shadows */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

body {
    font-family: var(--font-body);
    color: var(--text-main);
    background-color: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--secondary);
    line-height: 1.2;
    font-weight: 700;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.text-center { text-align: center; }

/* Buttons & Badges */
.btn-primary {
    display: inline-block;
    background-color: var(--primary);
    color: var(--secondary);
    padding: 0.8rem 2rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-family: var(--font-heading);
    box-shadow: var(--shadow-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.95rem;
    transition: var(--transition);
}

.btn-primary:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    display: inline-block;
    background-color: transparent;
    color: var(--secondary);
    padding: 0.8rem 2rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-family: var(--font-heading);
    border: 2px solid var(--secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.95rem;
}

.btn-outline:hover {
    background-color: var(--secondary);
    color: var(--bg-white);
}

.btn-primary-full, .btn-outline-full {
    display: block; width: 100%; text-align: center; padding: 1rem;
    border-radius: var(--radius-sm); font-weight: 600; font-family: var(--font-heading);
    font-size: 1rem; cursor: pointer; border: none; transition: var(--transition);
    text-transform: uppercase; letter-spacing: 1px;
}

.btn-primary-full { background-color: var(--primary); color: var(--secondary); box-shadow: var(--shadow-sm); }
.btn-primary-full:hover { background-color: var(--primary-light); transform: translateY(-2px); }

.btn-outline-full { background-color: transparent; color: var(--secondary); border: 2px solid var(--secondary); }
.btn-outline-full:hover { background-color: var(--secondary); color: var(--bg-white); }

.btn-link { color: var(--accent); font-weight: 600; font-size: 0.95rem; display: inline-flex; align-items: center; gap: 0.5rem; }
.btn-link:hover { color: var(--secondary); gap: 0.8rem; }

.badge-pill {
    display: inline-block; background-color: rgba(245, 158, 11, 0.15); color: var(--primary-dark);
    padding: 0.4rem 1.2rem; border-radius: var(--radius-pill); font-size: 0.85rem;
    font-weight: 700; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 1.5rem;
}

/* Typography Utilities */
.section-subtitle { color: var(--primary); font-size: 1rem; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 0.5rem; }
.section-title { font-size: 2.8rem; font-weight: 800; color: var(--secondary); margin-bottom: 1.5rem; }

/* Navbar */
.navbar { position: fixed; top: 0; left: 0; width: 100%; padding: 1.2rem 0; z-index: 1000; transition: var(--transition); background: var(--secondary); box-shadow: var(--shadow-sm); }
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.8rem; font-weight: 800; font-family: var(--font-heading); color: var(--bg-white); display: flex; align-items: center; gap: 0.5rem; letter-spacing: 1px; text-transform: uppercase;}
.logo i { color: var(--primary); }
.logo span { color: var(--primary); }
.nav-links { display: flex; gap: 2rem; }
.nav-links a { color: var(--bg-white); font-weight: 500; font-size: 1rem; transition: var(--transition); }
.nav-links a:hover { color: var(--primary); }
.nav-actions { display: flex; align-items: center; gap: 1rem; }
.desktop-btn { padding: 0.6rem 1.5rem; font-size: 0.9rem; }
.menu-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--bg-white); cursor: pointer; }

/* Hero Section */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; padding-top: 80px; background-color: var(--secondary); }
.hero-content { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 4rem; align-items: center; position: relative; z-index: 2; }
.hero-text-wrapper { padding-right: 2rem; }
.hero h1 { font-size: 4.5rem; font-weight: 800; margin-bottom: 1.5rem; color: var(--bg-white); line-height: 1.1; letter-spacing: -1px;}
.hero h1 span { color: var(--primary); }
.hero p { font-size: 1.2rem; color: #cbd5e1; margin-bottom: 2.5rem; font-weight: 400; line-height: 1.8;}
.hero-buttons { display: flex; gap: 1rem; }
.hero-image-wrapper { position: relative; border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-lg); border: 4px solid var(--secondary); outline: 2px solid var(--primary); outline-offset: 4px;}
.hero-image-wrapper img { width: 100%; height: 500px; object-fit: cover; }

.hero-stats { display: flex; gap: 3rem; background: var(--bg-white); padding: 2rem; border-radius: var(--radius-md); box-shadow: var(--shadow-lg); margin-top: 4rem; align-self: flex-start; border-left: 6px solid var(--primary); position: relative; z-index: 10;}
.stat-item h3 { font-size: 2.5rem; color: var(--secondary); margin-bottom: 0.2rem; font-weight: 800;}
.stat-item p { font-size: 0.9rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; margin: 0; }

/* Section Base */
.services-section, .pricing-section { padding: 8rem 0; background-color: var(--bg-light); }
.about-section, .contact-section { padding: 8rem 0; background-color: var(--bg-white); }

/* Services Grid */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; margin-top: 4rem; }
.service-card { background: var(--bg-white); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); border: 1px solid #e2e8f0; }
.service-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--primary); }
.service-image { position: relative; height: 220px; overflow: hidden; }
.service-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.service-card:hover .service-image img { transform: scale(1.05); }
.service-content { padding: 2rem; }
.service-content h3 { font-size: 1.4rem; margin-bottom: 1rem; color: var(--secondary); }
.service-content p { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 1.5rem; }

/* About Section */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.about-image { position: relative; border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-lg); }
.about-image img { width: 100%; height: 600px; object-fit: cover; }
.about-badge { position: absolute; bottom: 2rem; right: 2rem; background: var(--primary); color: var(--secondary); padding: 1.5rem; border-radius: var(--radius-sm); font-weight: 800; font-size: 1.2rem; text-align: center; box-shadow: var(--shadow-md); }
.about-badge span { display: block; font-size: 2.5rem; line-height: 1; }
.about-text p { color: var(--text-muted); font-size: 1.1rem; margin-bottom: 2rem; line-height: 1.8;}
.feature-list { display: flex; flex-direction: column; gap: 1.5rem; }
.feature-list li { display: flex; gap: 1.5rem; align-items: flex-start; background: var(--bg-light); padding: 1.5rem; border-radius: var(--radius-md); border-left: 4px solid var(--primary);}
.icon-box { font-size: 2rem; color: var(--secondary); }
.feature-list h4 { font-size: 1.1rem; margin-bottom: 0.2rem; color: var(--secondary);}
.feature-list p { font-size: 0.95rem; margin-bottom: 0; color: var(--text-muted);}

/* Pricing Section */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-top: 4rem; align-items: center; }
.price-card { background: var(--bg-white); padding: 3rem 2rem; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); text-align: center; position: relative; border: 1px solid #e2e8f0; transition: var(--transition); }
.price-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.price-card.popular { transform: scale(1.05); border: 2px solid var(--primary); box-shadow: var(--shadow-lg); background: var(--secondary); color: var(--bg-white); z-index: 1;}
.price-card.popular:hover { transform: scale(1.05) translateY(-5px); }
.price-card.popular h3, .price-card.popular .plan-desc, .price-card.popular .plan-features li { color: var(--bg-white); }
.price-card.popular .plan-features li { border-bottom-color: rgba(255,255,255,0.1); }
.price-card.popular .plan-features i { color: var(--primary); }
.badge { position: absolute; top: -15px; left: 50%; transform: translateX(-50%); background: var(--primary); color: var(--secondary); padding: 0.5rem 1.5rem; border-radius: var(--radius-pill); font-size: 0.8rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;}
.price-card h3 { font-size: 1.5rem; margin-bottom: 1rem; color: var(--secondary); }
.price { font-size: 3.5rem; font-weight: 800; font-family: var(--font-heading); color: var(--primary); margin-bottom: 1rem; display: flex; justify-content: center; align-items: flex-start; }
.price span:first-child { font-size: 1.5rem; margin-top: 0.5rem; color: var(--text-muted);}
.plan-desc { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 2rem; min-height: 45px;}
.plan-features { text-align: left; margin-bottom: 2.5rem; }
.plan-features li { padding: 0.8rem 0; border-bottom: 1px solid #e2e8f0; color: var(--text-main); display: flex; align-items: center; gap: 1rem; font-size: 0.95rem;}
.plan-features i { color: var(--accent); }

/* Contact Section */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; }
.contact-text h2 { font-size: 2.5rem; margin-bottom: 1.5rem; }
.contact-text p { color: var(--text-muted); font-size: 1.1rem; margin-bottom: 3rem; }
.contact-info { display: flex; flex-direction: column; gap: 2rem; }
.contact-item { display: flex; gap: 1.5rem; align-items: flex-start; }
.contact-item i { font-size: 2rem; color: var(--primary); }
.contact-item h4 { font-size: 1.2rem; margin-bottom: 0.3rem; color: var(--secondary);}
.contact-item p { margin-bottom: 0; font-size: 1rem; color: var(--text-muted);}
.contact-form { background: var(--bg-light); padding: 3rem; border-radius: var(--radius-md); border: 1px solid #e2e8f0; }
.contact-form h3 { font-size: 1.8rem; margin-bottom: 2rem; color: var(--secondary);}
.input-group { margin-bottom: 1.5rem; }
.input-group input, .input-group select, .input-group textarea { width: 100%; padding: 1rem; border: 1px solid #cbd5e1; border-radius: var(--radius-sm); font-family: var(--font-body); font-size: 1rem; transition: var(--transition); background: var(--bg-white); }
.input-group input:focus, .input-group select:focus, .input-group textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2); }

/* Footer */
footer { background: #0f172a; color: var(--bg-white); padding: 5rem 0 2rem; }
.footer-content { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 4rem; margin-bottom: 4rem; }
.footer-brand .logo { color: var(--bg-white); margin-bottom: 1.5rem; }
.footer-brand p { color: #94a3b8; font-size: 1rem; max-width: 350px; line-height: 1.8;}
.footer-links h4, .footer-socials h4 { font-size: 1.2rem; margin-bottom: 1.5rem; color: var(--bg-white);}
.footer-links ul { display: flex; flex-direction: column; gap: 0.8rem; }
.footer-links a { color: #94a3b8; transition: var(--transition);}
.footer-links a:hover { color: var(--primary); padding-left: 5px; }
.social-icons { display: flex; gap: 1rem; }
.social-icons a { width: 40px; height: 40px; border-radius: var(--radius-sm); background: #1e293b; display: flex; justify-content: center; align-items: center; color: var(--bg-white); transition: var(--transition); }
.social-icons a:hover { background: var(--primary); color: var(--secondary); transform: translateY(-3px); }
.footer-bottom { text-align: center; padding-top: 2rem; border-top: 1px solid #1e293b; color: #64748b; font-size: 0.9rem; }

/* Responsive */
@media (max-width: 992px) {
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero-text-wrapper { padding-right: 0; }
    .hero-buttons { justify-content: center; }
    .hero-stats { align-self: center; justify-content: center; margin-left: auto; margin-right: auto;}
    .hero-image-wrapper { display: none; }
    .services-grid, .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 4rem;}
    .footer-content { grid-template-columns: 1fr 1fr; gap: 3rem; }
}

@media (max-width: 768px) {
    .menu-toggle { display: block; }
    .desktop-btn { display: none; }
    .nav-links { position: fixed; top: 0; right: -300px; width: 300px; height: 100vh; background: var(--secondary); flex-direction: column; gap: 0; padding-top: 80px; transition: var(--transition); z-index: 999; box-shadow: -5px 0 15px rgba(0,0,0,0.2); }
    .nav-links.active { right: 0; }
    .nav-links a { display: block; padding: 1.5rem 2rem; border-bottom: 1px solid rgba(255,255,255,0.05); font-size: 1.1rem; }
    .hero h1 { font-size: 3rem; }
    .services-grid, .pricing-grid { grid-template-columns: 1fr; }
    .price-card.popular { transform: none; }
    .price-card.popular:hover { transform: translateY(-5px); }
    .footer-content { grid-template-columns: 1fr; }
    .about-image img { height: 400px; }
}