/* Modern CSS Reset & Variables */
:root {
    --primary-color: #1a1a1a;
    --secondary-color: #d4a017; /* Gold/Amber for premium construction look */
    --accent-color: #f4f4f4;
    --text-color: #333333;
    --text-light: #ffffff;
    --bg-light: #ffffff;
    --bg-dark: #121212;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    --container-width: 1200px;
    --border-radius: 8px;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--text-color);
    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(--primary-color);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Utilities */
.btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--secondary-color);
    color: var(--text-light);
    font-weight: 600;
    border-radius: var(--border-radius);
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid var(--secondary-color);
    cursor: pointer;
}

.btn:hover {
    background-color: transparent;
    color: var(--secondary-color);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--text-light);
    color: var(--text-light);
}

.btn-outline:hover {
    background-color: var(--text-light);
    color: var(--primary-color);
}

.section-padding {
    padding: var(--spacing-lg) 0;
}

.text-center { text-align: center; }
.text-gold { color: var(--secondary-color); }

/* Header */
.site-header {
    background-color: var(--primary-color);
    color: var(--text-light);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 50px;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    font-weight: 500;
    font-size: 1rem;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--secondary-color);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: 80vh;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('../images/hero-bg.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-light);
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-sm);
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Services Preview */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.service-card {
    background: var(--bg-light);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: left;
    border-bottom: 3px solid transparent;
}

.service-card:hover {
    transform: translateY(-5px);
    border-bottom-color: var(--secondary-color);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
}

/* Footer */
.site-footer {
    background-color: var(--primary-color);
    color: var(--text-light);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer-col h3 {
    color: var(--secondary-color);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a:hover {
    color: var(--secondary-color);
}

.contact-info li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
}

.copyright {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--primary-color);
        padding: var(--spacing-md);
        text-align: center;
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }
}