:root {
    --background: hsl(0, 0%, 100%);
    --foreground: hsl(222.2, 84%, 4.9%);
    --card: hsl(0, 0%, 100%);
    --card-foreground: hsl(222.2, 84%, 4.9%);
    --primary: hsl(211, 100%, 25%);
    --primary-foreground: hsl(0, 0%, 98%);
    --secondary: hsl(25, 95%, 53%);
    --secondary-foreground: hsl(0, 0%, 98%);
    --muted: hsl(210, 40%, 96.1%);
    --muted-foreground: hsl(215.4, 16.3%, 46.9%);
    --border: hsl(214.3, 31.8%, 91.4%);
    --radius: 0.5rem;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.5;
}

/* Utility Classes */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 50;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
}

.logo {
    height: 4rem;
}

.nav {
    display: none;
    gap: 2rem;
}

.nav-link {
    color: var(--muted-foreground);
    text-decoration: none;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--foreground);
}

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background-color: var(--foreground);
    transition: all 0.3s;
}

@media (min-width: 768px) {
    .nav {
        display: flex;
    }
    .mobile-menu-btn {
        display: none;
    }
}

/* Buttons */
.btn {
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    font-size: 0.875rem;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--primary-foreground);
}

.btn-primary:hover {
    opacity: 0.9;
}

.btn-outline {
    background-color: white;
    color: var(--primary);
    border: 1px solid white;
}

.btn-lg {
    padding: 0.75rem 2rem;
    font-size: 1rem;
}

/* Hero Section */
.hero {
    position: relative;
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image {
    position: absolute;
    inset: 0;
    background-image: url('../src/assets/construction-hero.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.6);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: white;
    max-width: 56rem;
    padding: 0 1rem;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 4.5rem;
    }
    .hero-subtitle {
        font-size: 1.5rem;
    }
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section-muted {
    background-color: hsla(210, 40%, 96.1%, 0.3);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--muted-foreground);
    max-width: 42rem;
    margin: 0 auto;
}

/* Text Utilities */
.text-lg {
    font-size: 1.125rem;
    color: var(--muted-foreground);
}

.mb-6 {
    margin-bottom: 1.5rem;
}

.mb-8 {
    margin-bottom: 2rem;
}

/* About Section */
.about-grid {
    display: grid;
    gap: 3rem;
    align-items: center;
    max-width: 72rem;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .about-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    color: var(--muted-foreground);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

/* Cards */
.card {
    background-color: var(--card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 2rem;
    text-align: center;
}

.card-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.card-title-lg {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.card-text {
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

.icon {
    margin: 0 auto 1rem;
}

.icon-secondary {
    color: var(--secondary);
}

/* Services Section - ALL ON ONE LINE */
.services-grid {
    display: grid;
    gap: 2rem;
    max-width: 100%;
    margin: 0 auto;
    grid-template-columns: repeat(4, 1fr);
}

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

@media (max-width: 640px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

/* Projects Section */
.projects-grid {
    display: grid;
    gap: 2rem;
    max-width: 72rem;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.project-card {
    padding: 0;
    overflow: hidden;
}

.project-image {
    width: 100%;
    height: 12rem;
    object-fit: cover;
}

.card-content {
    padding: 1.5rem;
}

/* Contact Section - CENTERED FOR 2 ITEMS */
.contact-wrapper {
    max-width: 64rem;
    margin: 0 auto;
}

.contact-grid {
    display: flex;
    gap: 2rem;
    text-align: center;
    justify-content: center;
    flex-wrap: wrap;
}

.contact-grid .card {
    flex: 0 1 300px;
}

@media (max-width: 640px) {
    .contact-grid {
        flex-direction: column;
    }
    .contact-grid .card {
        flex: 1 1 auto;
    }
}

.contact-card {
    padding: 2rem;
}

/* Footer */
.footer {
    background-color: var(--primary);
    color: var(--primary-foreground);
    padding: 3rem 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
    }
}

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

@media (min-width: 768px) {
    .footer-brand {
        text-align: left;
    }
}

.footer-logo {
    height: 3rem;
    margin-bottom: 0.5rem;
}

.footer-text {
    opacity: 0.8;
}

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

@media (min-width: 768px) {
    .footer-copyright {
        text-align: right;
    }
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: var(--radius);
    max-width: 500px;
    width: 90%;
    position: relative;
    animation: slideIn 0.3s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.close-modal {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    background: none;
    border: none;
    color: var(--muted-foreground);
    padding: 0.5rem;
    line-height: 1;
}

.close-modal:hover {
    color: var(--foreground);
}

.modal-content h2 {
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--foreground);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}