:root {
    --primary-color: #137fec;
    --primary-light: #e7f2ff;
    --primary-dark: #0d5cb3;
    --secondary-color: #101922;
    --text-color: #333333;
    --text-light: #666666;
    --bg-light: #f6f7f8;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --accent-color: #f39c12;
    --transition: all 0.3s ease;
    --font-main: 'Cairo', sans-serif;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

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

:root {
    --primary-color: #137fec;
    --secondary-color: #101922;
    --accent-color: #f39c12;
    --light-bg: #f8f9fa;
    --dark-bg: #101922;
    --cairo-font: 'Cairo', sans-serif;
}

body {
    font-family: var(--cairo-font);
    color: #333;
    line-height: 1.7;
    overflow-x: hidden;
}

/* Typography Extensions */
.fw-black {
    font-weight: 900;
}

.ls-2 {
    letter-spacing: 2px;
}

/* Custom Helper Classes */
.bg-primary-subtle {
    background-color: rgba(19, 127, 236, 0.1) !important;
}

.transition-hover {
    transition: all 0.3s ease;
}

.transition-hover:hover {
    transform: translateY(-10px);
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, .175) !important;
}

.transition-opacity-hover:hover {
    opacity: 1 !important;
}

/* Navbar Customization */
.navbar-brand img {
    transition: transform 0.3s ease;
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

.nav-link {
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

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

/* Section Spacing */
section {
    position: relative;
    overflow: hidden;
}

.hero {
    min-height: 600px;
    background: linear-gradient(rgba(16, 25, 34, 0.8), rgba(16, 25, 34, 0.6)),
        url('https://images.unsplash.com/photo-1541888946425-d81bb19240f5?q=80&w=2070&auto=format&fit=crop') center/cover no-repeat;
}

/* Button Refinement */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Footer */
footer {
    background: var(--secondary-color);
    color: white;
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-logo {
    margin-bottom: 20px;
}

.footer-col h4 {
    font-size: 1.2rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 40px;
    height: 2px;
    background: var(--primary-color);
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: #bdc3c7;
}

.footer-col ul li a:hover {
    color: var(--primary-color);
    padding-right: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #2c3e50;
    color: #7f8c8d;
    font-size: 0.9rem;
}

/* Mobile Responsive */
@media (max-width: 992px) {

    .nav-links,
    .contact-btn {
        display: none;
    }

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

    .about-content,
    .contact-wrapper,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .order-first {
        order: -1;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}