/* Reset and Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-primary: #1e3a5f;
    --color-primary-dark: #152a45;
    --color-text: #1e1e1e;
    --color-text-light: #555;
    --color-white: #ffffff;
    --color-bg: #ffffff;
    --color-bg-light: #f9f9f9;
    --color-border: #e0e0e0;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --container-max: 1200px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

address {
    font-style: normal;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header */
.site-header {
    background-color: var(--color-white);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 50;
}

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

.logo img {
    height: 70px;
    width: auto;
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.phone-number {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--color-primary);
}

.phone-number svg {
    color: var(--color-primary);
}

.phone-number:hover {
    color: var(--color-primary-dark);
}

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

.main-nav a {
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    transition: color 0.2s ease;
    text-decoration: underline;
}

.main-nav a:hover {
    color: var(--color-primary);
}

/* Hero Section */
.hero {
    position: relative;
    height: 70vh;
    min-height: 500px;
    background-image: url('../images/hero-bg.webp');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--spacing-lg);
    max-width: 800px;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.15;
    color: var(--color-white);
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

/* Services Section */
.services {
    padding: var(--spacing-xxl) 0;
}

.services-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.services-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.services-header p {
    color: var(--color-text-light);
    font-size: 1rem;
    line-height: 1.7;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.service-card {
    text-align: left;
}

.service-image {
    height: 200px;
    overflow: hidden;
    border-radius: 8px;
    margin-bottom: var(--spacing-sm);
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.service-card:hover .service-image img {
    transform: scale(1.05);
}

.service-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
    text-decoration: underline;
}

.service-content p {
    color: var(--color-text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* About Section */
.about {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    line-height: 1.2;
}

.about-content p {
    color: var(--color-text-light);
    line-height: 1.8;
    font-size: 1rem;
}

.about-image img {
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

/* Footer */
.site-footer {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: auto 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-logo img {
    height: 80px;
    width: auto;
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    transition: background-color 0.2s ease;
}

.footer-social a:hover {
    background: rgba(255, 255, 255, 0.2);
}

.footer-section h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.footer-section p,
.footer-section address p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 0.25rem;
}

.footer-section strong {
    color: var(--color-white);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.2s ease;
}

.footer-section a:hover {
    color: var(--color-white);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
    }

    .footer-brand {
        grid-column: 1 / -1;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .header-right {
        gap: var(--spacing-md);
    }

    .hero {
        height: 60vh;
        min-height: 400px;
    }

    .hero-content h1 {
        font-size: 2.25rem;
    }

    .services-header h2,
    .about-content h2 {
        font-size: 1.75rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .about-content {
        order: 1;
    }

    .about-image {
        order: 2;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        flex-direction: column;
        align-items: center;
    }

    .footer-social {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xxl: 2.5rem;
    }

    .logo img {
        height: 50px;
    }

    .phone-number {
        font-size: 1rem;
    }

    .hero-content h1 {
        font-size: 1.75rem;
    }

    .service-image {
        height: 180px;
    }
}