:root {
    --primary-color: #d97706; /* Amber/Orange for construction */
    --primary-hover: #b45309;
    --secondary-color: #1e293b; /* Slate dark blue */
    --bg-light: #f8fafc;
    --bg-dark: #0f172a;
    --text-main: #334155;
    --text-muted: #64748b;
    --text-light: #f1f5f9;
    --white: #ffffff;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --border-radius: 0.75rem;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'IBM Plex Sans Arabic', sans-serif;
}

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

body {
    font-family: 'IBM Plex Sans Arabic', sans-serif;
    color: var(--text-main);
    line-height: 1.7;
    background-color: var(--white);
    overflow-x: hidden;
}

.text-primary { color: var(--primary-color); }
.text-white { color: var(--white); }
.text-gray { color: var(--text-muted); }
.bg-light { background-color: var(--bg-light); }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--secondary-color);
    font-weight: 700;
    line-height: 1.3;
}

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(217, 119, 6, 0.39);
}

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

.btn-outline {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

.btn-whatsapp {
    background-color: #25D366;
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(37, 211, 102, 0.39);
}

.btn-whatsapp:hover {
    background-color: #1ea952;
    transform: translateY(-2px);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.25rem 0;
    transition: var(--transition);
    background-color: transparent;
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: 0.75rem 0;
}

.navbar.scrolled .nav-links a {
    color: var(--text-main);
}
.navbar.scrolled .logo-title {
    color: var(--secondary-color);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
}

.logo i {
    font-size: 2rem;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--white);
    transition: var(--transition);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a:not(.btn) {
    font-weight: 500;
    color: var(--white);
    position: relative;
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    right: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-links a:not(.btn):hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--white);
    cursor: pointer;
}
.navbar.scrolled .mobile-menu-btn {
    color: var(--secondary-color);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.4) 100%);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    color: var(--white);
}

.hero-subtitle {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: rgba(217, 119, 6, 0.2);
    border-left: 3px solid var(--primary-color);
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1.5rem;
    border-radius: 0 0.25rem 0.25rem 0;
}

.hero-title {
    color: var(--white);
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-desc {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Sections */
.section {
    padding: 6rem 0;
}

.section-header {
    margin-bottom: 3rem;
}

.section-header.text-center {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section-subtitle {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    display: inline-block;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
}

/* About Section */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image {
    width: 100%;
    height: auto;
    aspect-ratio: 4/3;
    object-fit: cover;
}

.experience-badge {
    position: absolute;
    bottom: 0;
    right: 0;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1.5rem;
    border-radius: 0 var(--border-radius) 0 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.badge-number {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

.badge-text {
    font-size: 0.9rem;
    font-weight: 500;
}

.about-text {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.1rem;
    font-weight: 500;
}

.feature-item i {
    font-size: 1.25rem;
}

.cr-info {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background-color: var(--bg-light);
    border: 1px solid #e2e8f0;
    border-radius: var(--border-radius);
    font-weight: 600;
    color: var(--secondary-color);
}
.cr-info i { color: var(--primary-color); font-size: 1.25rem;}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--white);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid #f1f5f9;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.service-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(217, 119, 6, 0.1);
    color: var(--primary-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background-color: var(--primary-color);
    color: var(--white);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-muted);
}

/* Gallery Section */
.gallery-wrapper {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    height: 400px;
}

.gallery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.9) 0%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 3rem;
    color: var(--white);
}
.gallery-overlay h3 {
    color: var(--white);
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

/* Footer */
.footer {
    background-color: var(--bg-dark);
    color: var(--text-light);
    padding-top: 5rem;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-desc {
    margin-top: 1.5rem;
    color: var(--text-muted);
    max-width: 400px;
}

.footer-heading {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

.contact-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    color: var(--text-muted);
}

.contact-list i {
    color: var(--primary-color);
    margin-top: 0.25rem;
}

.footer-bottom {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 1.5rem 0;
    text-align: center;
    color: var(--text-muted);
}

/* Floating WhatsApp */
.floating-whatsapp {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    z-index: 1000;
    transition: var(--transition);
}

.floating-whatsapp:hover {
    transform: scale(1.1);
    background-color: #1ea952;
}

/* Responsive Design */
@media (max-width: 992px) {
    .about-container {
        grid-template-columns: 1fr;
    }
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .hero-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-md);
        gap: 1.5rem;
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: var(--transition);
    }

    .nav-links.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }

    .nav-links a:not(.btn) {
        color: var(--secondary-color);
        width: 100%;
    }
    
    .nav-links .btn {
        width: 100%;
        text-align: center;
    }

    .mobile-menu-btn {
        display: block;
    }
    
    .navbar {
        background-color: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
    }
    .navbar .logo-title {
        color: var(--secondary-color);
    }
    .navbar .mobile-menu-btn {
        color: var(--secondary-color);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    .section {
        padding: 4rem 0;
    }
    .hero-actions {
        flex-direction: column;
    }
    .btn {
        width: 100%;
    }
}