/* Modern Professional Design - Black Background Theme */

/* CSS Variables */
:root {
    --osama4-primary: #D4AF37;
    --osama4-primary-dark: #B8941F;
    --osama4-primary-light: #E6C866;
    --osama4-secondary: #FFFFFF;
    --osama4-dark: #000000;
    --osama4-light: #1A1A1A;
    --osama4-white: #000000;
    --osama4-gray-100: #1A1A1A;
    --osama4-gray-200: #2A2A2A;
    --osama4-gray-300: #3A3A3A;
    --osama4-gray-400: #5A5A5A;
    --osama4-gray-500: #7A7A7A;
    --osama4-gray-600: #9A9A9A;
    --osama4-gray-700: #BABABA;
    --osama4-gray-800: #DADADA;
    --osama4-gray-900: #F0F0F0;
    
    --osama4-font-primary: 'Inter', sans-serif;
    --osama4-font-display: 'Playfair Display', serif;
    
    --osama4-shadow-sm: 0 1px 2px 0 rgba(255, 255, 255, 0.05);
    --osama4-shadow: 0 4px 6px -1px rgba(255, 255, 255, 0.1);
    --osama4-shadow-md: 0 10px 15px -3px rgba(255, 255, 255, 0.1);
    --osama4-shadow-lg: 0 20px 25px -5px rgba(255, 255, 255, 0.1);
    --osama4-shadow-xl: 0 25px 50px -12px rgba(255, 255, 255, 0.25);
    
    --osama4-border-radius: 8px;
    --osama4-border-radius-lg: 12px;
    --osama4-border-radius-xl: 16px;
    
    --osama4-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --osama4-transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--osama4-font-primary);
    line-height: 1.6;
    color: var(--osama4-gray-800);
    background-color: var(--osama4-dark);
    overflow-x: hidden;
}

.osama4-wrapper {
    width: 100%;
    overflow-x: hidden;
}

.osama4-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--osama4-font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--osama4-secondary);
}

p {
    margin-bottom: 1rem;
    color: var(--osama4-gray-600);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--osama4-transition);
}

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

/* Header */
.osama4-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--osama4-gray-200);
    transition: var(--osama4-transition);
}

.osama4-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.osama4-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.osama4-logo img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.osama4-logo-text {
    display: flex;
    flex-direction: column;
}

.osama4-logo-main {
    font-family: var(--osama4-font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--osama4-secondary);
    line-height: 1;
}

.osama4-logo-sub {
    font-size: 0.75rem;
    color: var(--osama4-primary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.osama4-nav-menu ul {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.osama4-nav-link {
    font-weight: 500;
    color: var(--osama4-gray-700);
    position: relative;
    padding: 0.5rem 0;
    transition: var(--osama4-transition);
}

.osama4-nav-link:hover {
    color: var(--osama4-primary);
}

.osama4-nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--osama4-primary);
    transition: var(--osama4-transition);
}

.osama4-nav-link:hover::after {
    width: 100%;
}

.osama4-nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.osama4-phone-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0.75rem 1.5rem;
    background: var(--osama4-primary);
    color: var(--osama4-dark);
    border-radius: var(--osama4-border-radius);
    font-weight: 500;
    transition: var(--osama4-transition);
}

.osama4-phone-btn:hover {
    background: var(--osama4-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--osama4-shadow-md);
}

.osama4-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.osama4-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--osama4-secondary);
    border-radius: 2px;
    transition: var(--osama4-transition);
}

/* Hero Section */
.osama4-hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--osama4-dark) 0%, var(--osama4-gray-100) 100%);
    position: relative;
    overflow: hidden;
}

.osama4-hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: -50%;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(212, 175, 55, 0.05) 50%, transparent 70%);
    transform: rotate(-15deg);
}

.osama4-hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.osama4-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0.5rem 1rem;
    background: rgba(212, 175, 55, 0.1);
    color: var(--osama4-primary-dark);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.osama4-hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--osama4-secondary);
}

.osama4-title-highlight {
    color: var(--osama4-primary);
    position: relative;
}

.osama4-hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--osama4-gray-600);
    margin-bottom: 2rem;
    max-width: 90%;
}

.osama4-hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.osama4-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 1rem 2rem;
    border-radius: var(--osama4-border-radius);
    font-weight: 600;
    text-decoration: none;
    transition: var(--osama4-transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.osama4-btn-primary {
    background: var(--osama4-primary);
    color: var(--osama4-dark);
    box-shadow: var(--osama4-shadow);
}

.osama4-btn-primary:hover {
    background: var(--osama4-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--osama4-shadow-lg);
}

.osama4-btn-secondary {
    background: var(--osama4-gray-100);
    color: var(--osama4-secondary);
    border: 2px solid var(--osama4-gray-300);
}

.osama4-btn-secondary:hover {
    background: var(--osama4-secondary);
    color: var(--osama4-dark);
    border-color: var(--osama4-secondary);
    transform: translateY(-2px);
    box-shadow: var(--osama4-shadow-md);
}

.osama4-hero-image {
    position: relative;
}

.osama4-image-container {
    position: relative;
    border-radius: var(--osama4-border-radius-xl);
    overflow: hidden;
    box-shadow: var(--osama4-shadow-xl);
}

.osama4-image-container img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.osama4-image-overlay {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    right: 2rem;
}

.osama4-stats-card {
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: var(--osama4-border-radius-lg);
    display: flex;
    gap: 2rem;
    box-shadow: var(--osama4-shadow-lg);
    border: 1px solid var(--osama4-gray-200);
}

.osama4-stat {
    text-align: center;
}

.osama4-stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--osama4-primary);
    font-family: var(--osama4-font-display);
}

.osama4-stat-label {
    font-size: 0.875rem;
    color: var(--osama4-gray-600);
    font-weight: 500;
}

/* Section Styles */
.osama4-section-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.osama4-section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0.5rem 1rem;
    background: rgba(212, 175, 55, 0.1);
    color: var(--osama4-primary-dark);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1rem;
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.osama4-section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--osama4-secondary);
}

.osama4-section-subtitle {
    font-size: 1.125rem;
    color: var(--osama4-gray-600);
    line-height: 1.6;
}

/* Services Section */
.osama4-services {
    padding: 80px 0;
    background: var(--osama4-dark);
}

.osama4-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.osama4-service-card {
    background: var(--osama4-gray-100);
    border-radius: var(--osama4-border-radius-lg);
    padding: 2rem;
    border: 1px solid var(--osama4-gray-200);
    transition: var(--osama4-transition);
    position: relative;
    overflow: hidden;
}

.osama4-service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--osama4-shadow-xl);
    border-color: var(--osama4-primary);
}

.osama4-service-card.osama4-featured {
    border: 2px solid var(--osama4-primary);
    position: relative;
}

.osama4-featured-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--osama4-primary);
    color: var(--osama4-dark);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.osama4-service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--osama4-primary), var(--osama4-primary-light));
    border-radius: var(--osama4-border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.osama4-service-icon i {
    font-size: 1.5rem;
    color: var(--osama4-dark);
}

.osama4-service-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--osama4-secondary);
}

.osama4-service-content p {
    margin-bottom: 1.5rem;
    color: var(--osama4-gray-600);
}

.osama4-service-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.osama4-service-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 0.5rem;
    color: var(--osama4-gray-600);
}

.osama4-service-features i {
    color: var(--osama4-primary);
    font-size: 0.875rem;
}

.osama4-service-btn {
    display: inline-flex;
    align-items: center;
    color: var(--osama4-primary);
    font-weight: 600;
    text-decoration: none;
    transition: var(--osama4-transition);
}

.osama4-service-btn:hover {
    color: var(--osama4-primary-dark);
    transform: translateX(4px);
}

/* About Section */
.osama4-about {
    padding: 80px 0;
    background: var(--osama4-gray-100);
}

.osama4-about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.osama4-about-description {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: 2rem;
    color: var(--osama4-gray-600);
}

.osama4-about-features {
    margin-bottom: 2rem;
}

.osama4-feature {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.osama4-feature-icon {
    width: 50px;
    height: 50px;
    background: var(--osama4-primary);
    border-radius: var(--osama4-border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.osama4-feature-icon i {
    color: var(--osama4-dark);
    font-size: 1.25rem;
}

.osama4-feature-content h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--osama4-secondary);
}

.osama4-feature-content p {
    color: var(--osama4-gray-600);
    margin: 0;
}

.osama4-image-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    height: 500px;
}

.osama4-grid-img-1 {
    grid-row: 1 / 3;
    border-radius: var(--osama4-border-radius-lg);
    object-fit: cover;
    width: 100%;
    height: 100%;
}

.osama4-grid-img-2,
.osama4-grid-img-3 {
    border-radius: var(--osama4-border-radius-lg);
    object-fit: cover;
    width: 100%;
    height: 100%;
}

/* Trusted Medical Institutions Section */
.osama4-institutions {
    padding: 80px 0;
    background: var(--osama4-dark);
}

.osama4-institutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.osama4-institution-card {
    background: var(--osama4-gray-100);
    border-radius: var(--osama4-border-radius-lg);
    padding: 2rem;
    border: 1px solid var(--osama4-gray-200);
    transition: var(--osama4-transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.osama4-institution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--osama4-primary), var(--osama4-primary-light));
    transform: scaleX(0);
    transition: var(--osama4-transition);
}

.osama4-institution-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--osama4-shadow-xl);
    border-color: var(--osama4-primary);
}

.osama4-institution-card:hover::before {
    transform: scaleX(1);
}

.osama4-institution-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--osama4-gray-200);
    transition: var(--osama4-transition);
}

.osama4-institution-card:hover .osama4-institution-logo {
    border-color: var(--osama4-primary);
    transform: scale(1.05);
}

.osama4-institution-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.osama4-institution-content h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--osama4-secondary);
}

.osama4-institution-content p {
    color: var(--osama4-gray-600);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.osama4-institution-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.osama4-feature-tag {
    background: rgba(212, 175, 55, 0.1);
    color: var(--osama4-primary-dark);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: var(--osama4-transition);
}

.osama4-institution-card:hover .osama4-feature-tag {
    background: var(--osama4-primary);
    color: var(--osama4-dark);
    border-color: var(--osama4-primary);
}

.osama4-institutions-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    background: var(--osama4-gray-100);
    padding: 3rem 2rem;
    border-radius: var(--osama4-border-radius-xl);
    margin-top: 2rem;
}

.osama4-stat-item {
    text-align: center;
}

.osama4-stat-item .osama4-stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--osama4-primary);
    font-family: var(--osama4-font-display);
    margin-bottom: 0.5rem;
}

.osama4-stat-item .osama4-stat-label {
    font-size: 1rem;
    color: var(--osama4-gray-600);
    font-weight: 500;
}

/* Gallery Section */
.osama4-gallery {
    padding: 80px 0;
    background: var(--osama4-gray-100);
}

.osama4-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.osama4-gallery-item {
    position: relative;
    border-radius: var(--osama4-border-radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
    transition: var(--osama4-transition);
}

.osama4-gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--osama4-shadow-lg);
}

.osama4-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--osama4-transition);
}

.osama4-gallery-item:hover img {
    transform: scale(1.05);
}

.osama4-gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 50%);
    display: flex;
    align-items: flex-end;
    padding: 1.5rem;
    opacity: 0;
    transition: var(--osama4-transition);
}

.osama4-gallery-item:hover .osama4-gallery-overlay {
    opacity: 1;
}

.osama4-gallery-content {
    color: var(--osama4-secondary);
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.osama4-gallery-content h4 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
    color: var(--osama4-secondary);
}

.osama4-gallery-content p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.osama4-gallery-btn {
    background: var(--osama4-primary);
    border: none;
    color: var(--osama4-dark);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--osama4-transition);
}

.osama4-gallery-btn:hover {
    background: var(--osama4-primary-dark);
    transform: scale(1.1);
}

/* Contact Section */
.osama4-contact {
    padding: 80px 0;
    background: var(--osama4-dark);
}

.osama4-contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.osama4-contact-card {
    background: var(--osama4-gray-100);
    padding: 2rem;
    border-radius: var(--osama4-border-radius-lg);
    margin-bottom: 1.5rem;
    display: flex;
    gap: 1rem;
    transition: var(--osama4-transition);
    border: 1px solid var(--osama4-gray-200);
}

.osama4-contact-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--osama4-shadow-md);
    border-color: var(--osama4-primary);
}

.osama4-contact-icon {
    width: 50px;
    height: 50px;
    background: var(--osama4-primary);
    border-radius: var(--osama4-border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.osama4-contact-icon i {
    color: var(--osama4-dark);
    font-size: 1.25rem;
}

.osama4-contact-details h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--osama4-secondary);
}

.osama4-contact-details p {
    color: var(--osama4-gray-600);
    margin: 0;
    line-height: 1.5;
}

.osama4-contact-note {
    display: block;
    font-size: 0.875rem;
    color: var(--osama4-primary);
    font-weight: 500;
    margin-top: 0.25rem;
}

/* Form Styles */
.osama4-contact-form {
    background: var(--osama4-gray-100);
    padding: 2.5rem;
    border-radius: var(--osama4-border-radius-lg);
    box-shadow: var(--osama4-shadow-lg);
    border: 1px solid var(--osama4-gray-200);
}

.osama4-form-header {
    margin-bottom: 2rem;
    text-align: center;
}

.osama4-form-header h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--osama4-secondary);
}

.osama4-form-header p {
    color: var(--osama4-gray-600);
    margin: 0;
}

.osama4-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.osama4-form-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.osama4-form-group input,
.osama4-form-group select,
.osama4-form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--osama4-gray-200);
    border-radius: var(--osama4-border-radius);
    font-size: 1rem;
    transition: var(--osama4-transition);
    background: var(--osama4-gray-100);
    font-family: var(--osama4-font-primary);
    color: var(--osama4-secondary);
}

.osama4-form-group input:focus,
.osama4-form-group select:focus,
.osama4-form-group textarea:focus {
    outline: none;
    border-color: var(--osama4-primary);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.osama4-form-group label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    color: var(--osama4-gray-500);
    font-size: 1rem;
    transition: var(--osama4-transition);
    pointer-events: none;
    background: var(--osama4-gray-100);
    padding: 0 0.25rem;
}

.osama4-form-group input:focus + label,
.osama4-form-group input:not(:placeholder-shown) + label,
.osama4-form-group select:focus + label,
.osama4-form-group select:not([value=""]) + label,
.osama4-form-group textarea:focus + label,
.osama4-form-group textarea:not(:placeholder-shown) + label {
    top: -0.5rem;
    left: 0.75rem;
    font-size: 0.875rem;
    color: var(--osama4-primary);
    font-weight: 500;
}

.osama4-submit-btn {
    width: 100%;
    padding: 1rem 2rem;
    background: var(--osama4-primary);
    color: var(--osama4-dark);
    border: none;
    border-radius: var(--osama4-border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--osama4-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.osama4-submit-btn:hover {
    background: var(--osama4-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--osama4-shadow-md);
}

/* Footer */
.osama4-footer {
    background: var(--osama4-gray-100);
    color: var(--osama4-secondary);
    padding: 60px 0 20px;
}

.osama4-footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.osama4-footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1rem;
}

.osama4-footer-logo img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.osama4-footer-logo-main {
    font-family: var(--osama4-font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--osama4-secondary);
    line-height: 1;
}

.osama4-footer-logo-sub {
    font-size: 0.75rem;
    color: var(--osama4-primary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.osama4-footer-description {
    color: var(--osama4-gray-400);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.osama4-footer-social {
    display: flex;
    gap: 1rem;
}

.osama4-social-link {
    width: 40px;
    height: 40px;
    background: var(--osama4-gray-300);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--osama4-secondary);
    transition: var(--osama4-transition);
}

.osama4-social-link:hover {
    background: var(--osama4-primary);
    color: var(--osama4-dark);
    transform: translateY(-2px);
}

.osama4-footer-title {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: var(--osama4-secondary);
}

.osama4-footer-links {
    list-style: none;
}

.osama4-footer-links li {
    margin-bottom: 0.5rem;
}

.osama4-footer-links a {
    color: var(--osama4-gray-400);
    transition: var(--osama4-transition);
}

.osama4-footer-links a:hover {
    color: var(--osama4-primary);
}

.osama4-footer-contact {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.osama4-contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--osama4-gray-400);
}

.osama4-contact-item i {
    color: var(--osama4-primary);
    width: 16px;
}

.osama4-footer-bottom {
    border-top: 1px solid var(--osama4-gray-300);
    padding-top: 2rem;
}

.osama4-footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.osama4-company-info p,
.osama4-copyright p {
    color: var(--osama4-gray-400);
    margin: 0;
    font-size: 0.875rem;
}

/* Back to Top Button */
.osama4-back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--osama4-primary);
    color: var(--osama4-dark);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--osama4-transition);
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
}

.osama4-back-to-top.osama4-visible {
    opacity: 1;
    visibility: visible;
}

.osama4-back-to-top:hover {
    background: var(--osama4-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--osama4-shadow-lg);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .osama4-hero-content,
    .osama4-about-content,
    .osama4-contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .osama4-hero-title {
        font-size: 3rem;
    }
    
    .osama4-section-title {
        font-size: 2rem;
    }
    
    .osama4-footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .osama4-container {
        padding: 0 15px;
    }
    
    .osama4-nav-menu {
        display: none;
    }
    
    .osama4-menu-toggle {
        display: flex;
    }
    
    .osama4-phone-btn span {
        display: none;
    }
    
    .osama4-hero {
        padding: 100px 0 60px;
    }
    
    .osama4-hero-title {
        font-size: 2.5rem;
    }
    
    .osama4-hero-actions {
        flex-direction: column;
    }
    
    .osama4-btn {
        justify-content: center;
    }
    
    .osama4-services,
    .osama4-about,
    .osama4-institutions,
    .osama4-gallery,
    .osama4-contact {
        padding: 60px 0;
    }
    
    .osama4-services-grid,
    .osama4-institutions-grid,
    .osama4-gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .osama4-institutions-stats {
        grid-template-columns: repeat(2, 1fr);
        padding: 2rem 1rem;
    }
    
    .osama4-form-row {
        grid-template-columns: 1fr;
    }
    
    .osama4-footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .osama4-footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .osama4-hero-title {
        font-size: 2rem;
    }
    
    .osama4-section-title {
        font-size: 1.75rem;
    }
    
    .osama4-service-card,
    .osama4-institution-card,
    .osama4-contact-card,
    .osama4-contact-form {
        padding: 1.5rem;
    }
    
    .osama4-institutions-stats {
        grid-template-columns: 1fr;
        padding: 1.5rem 1rem;
    }
    
    .osama4-stat-item .osama4-stat-number {
        font-size: 2rem;
    }
    
    .osama4-stats-card {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Animation Classes */
.osama4-fade-in {
    opacity: 0;
    animation: osama4FadeIn 0.6s ease-out forwards;
}

.osama4-slide-up {
    opacity: 0;
    transform: translateY(30px);
    animation: osama4SlideUp 0.6s ease-out forwards;
}

.osama4-scale-in {
    opacity: 0;
    transform: scale(0.9);
    animation: osama4ScaleIn 0.6s ease-out forwards;
}

@keyframes osama4FadeIn {
    to {
        opacity: 1;
    }
}

@keyframes osama4SlideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes osama4ScaleIn {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Utility Classes */
.osama4-text-center {
    text-align: center;
}

.osama4-text-left {
    text-align: left;
}

.osama4-text-right {
    text-align: right;
}

.osama4-hidden {
    display: none;
}

.osama4-visible {
    display: block;
}

/* Print Styles */
@media print {
    .osama4-header,
    .osama4-back-to-top {
        display: none;
    }
    
    .osama4-hero {
        padding-top: 0;
    }
    
    * {
        box-shadow: none !important;
    }
}


















/* Header */
.osama4-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: background 0.3s, box-shadow 0.3s;
}

/* Nav Menu */
.osama4-nav-menu {
    display: flex;
    gap: 1rem;
}

.osama4-nav-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1rem;
}

.osama4-nav-link {
    color: white;
    text-decoration: none;
    cursor: pointer;
}

.osama4-nav-link.osama4-active {
    border-bottom: 2px solid #10b981;
}

/* Mobile Menu */
.osama4-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.osama4-menu-toggle span {
    width: 25px;
    height: 3px;
    background: white;
    display: block;
    transition: 0.3s;
}

/* Mobile responsive */
@media (max-width: 992px) {
    .osama4-nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 250px;
        height: 100%;
        background: rgba(0,0,0,0.95);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        transition: right 0.3s;
    }

    .osama4-nav-menu.osama4-active {
        right: 0;
    }

    .osama4-menu-toggle {
        display: flex;
    }

    .osama4-nav-actions {
        display: flex;
        gap: 1rem;
    }
}







/* حاوية القائمة */
.menu {
    list-style: none; /* إزالة النقاط */
    padding: 0;
    margin: 0;
    display: flex;       /* لو حاب تستخدم flex */
    flex-direction: column; /* جعل العناصر عمودية */
    background-color: #f5f5f5; /* لون خلفية اختياري */
    width: 200px; /* تحديد عرض */
}

/* عناصر القائمة */
.menu li {
    padding: 10px 15px;
    border-bottom: 1px solid #ddd; /* خط بين العناصر */
}

/* عند المرور على العنصر */
.menu li:hover {
    background-color: #e0e0e0;
    cursor: pointer;
}

.menu {
    position: absolute; /* لكي تطفو فوق المحتوى */
    top: 100%; /* تحت الزر مباشرة */
    left: 0;
    display: none; /* افتراضيًا مخفية */
}

/* عند فتح القائمة */
.menu.active {
    display: block;
}







/* ===== CSS للقائمة المنسدلة ===== */

/* الزر */
.dropdown-btn {
    padding: 10px 20px;
    background-color: #007bff;
    color: white;
    border: none;
    cursor: pointer;
    font-size: 16px;
    border-radius: 5px;
}

/* القائمة نفسها */
.menu {
    list-style: none;
    padding: 0;
    margin: 5px 0 0 0;
    display: none; /* مخفية افتراضياً */
    position: absolute;
    background-color: #f9f9f9;
    width: 200px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    border-radius: 5px;
    z-index: 1000;
}

/* عناصر القائمة */
.menu li {
    padding: 10px 15px;
    border-bottom: 1px solid #ddd;
}

/* آخر عنصر بدون خط */
.menu li:last-child {
    border-bottom: none;
}

/* تأثير عند المرور */
.menu li:hover {
    background-color: #e0e0e0;
    cursor: pointer;
}

/* عند تفعيل القائمة */
.menu.active {
    display: block;
}







/* Base Navigation Styles */
.osama4-header {
    background: #000;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid #d4af37;
}

.osama4-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
}

/* Logo Styles */
.osama4-logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.osama4-logo img {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    border: 2px solid #d4af37;
}

.osama4-logo-main {
    color: #d4af37;
    font-size: 24px;
    font-weight: 700;
}

.osama4-logo-sub {
    color: #fff;
    font-size: 12px;
}

/* Desktop Navigation Menu */
.osama4-nav-menu {
    display: flex;
}

.osama4-nav-menu ul {
    display: flex;
    list-style: none;
    gap: 20px;
    align-items: center;
    margin: 0;
    padding: 0;
}

.osama4-nav-menu li {
    position: relative;
}

.osama4-nav-link {
    text-decoration: none;
    color: #d4af37;
    font-weight: 600;
    font-size: 16px;
    padding: 12px 20px;
    border-radius: 25px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.osama4-nav-link:hover {
    background: linear-gradient(45deg, #d4af37, #f4d03f);
    color: #000;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
}

/* Active Menu Item */
.current-menu-item .osama4-nav-link {
    background: #d4af37;
    color: #000;
}

/* Navigation Actions */
.osama4-nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.osama4-phone-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(45deg, #d4af37, #f4d03f);
    color: #000;
    padding: 12px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.osama4-phone-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.4);
}

/* Menu Toggle Button (Hidden on Desktop) */
.osama4-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    gap: 4px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.osama4-menu-toggle span {
    width: 25px;
    height: 3px;
    background: #d4af37;
    transition: all 0.3s ease;
    border-radius: 2px;
    transform-origin: center;
}

.osama4-menu-toggle:hover {
    background: rgba(212, 175, 55, 0.1);
}

/* Menu Toggle Animation */
.osama4-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.osama4-menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(20px);
}

.osama4-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Dropdown Styles for Desktop */
.dropdown {
    position: relative;
}

.dropdown-toggle::after {
    content: '\f107';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.dropdown.active .dropdown-toggle::after {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: #000;
    min-width: 250px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 100;
    border: 1px solid #d4af37;
    margin-top: 10px;
}

.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 15px 20px;
    color: #d4af37;
    text-decoration: none;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.dropdown-item:last-child {
    border-bottom: none;
    border-radius: 0 0 10px 10px;
}

.dropdown-item:first-child {
    border-radius: 10px 10px 0 0;
}

.dropdown-item:hover {
    background: rgba(212, 175, 55, 0.2);
    color: #fff;
    padding-left: 30px;
}

/* Mobile Styles */
@media (max-width: 768px) {
    .osama4-menu-toggle {
        display: flex;
    }

    .osama4-nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #000;
        flex-direction: column;
        padding: 0;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
        border-radius: 0 0 20px 20px;
        border: 1px solid #d4af37;
        border-top: none;
    }

    .osama4-nav-menu.active {
        display: flex;
        animation: slideDown 0.4s ease;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .osama4-nav-menu ul {
        flex-direction: column;
        width: 100%;
        gap: 0;
        padding: 20px 0;
    }

    .osama4-nav-menu li {
        width: 100%;
        border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    }

    .osama4-nav-menu li:last-child {
        border-bottom: none;
    }

    .osama4-nav-link {
        width: 100%;
        text-align: center;
        justify-content: center;
        color: #d4af37 !important;
        font-size: 18px;
        padding: 20px 30px;
        border-radius: 0;
        background: none !important;
        text-transform: uppercase;
        letter-spacing: 1px;
    }

    .osama4-nav-link:hover {
        background: rgba(212, 175, 55, 0.2) !important;
        color: #fff !important;
        transform: translateX(10px);
        box-shadow: inset 4px 0 0 #d4af37;
    }

    .current-menu-item .osama4-nav-link {
        background: rgba(212, 175, 55, 0.3) !important;
        color: #fff !important;
        box-shadow: inset 4px 0 0 #d4af37;
    }

    /* Mobile Dropdown */
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        margin-top: 0;
        background: #000;
        border-radius: 0;
        border-top: 1px solid rgba(212, 175, 55, 0.3);
    }

    .dropdown-item {
        padding: 15px 40px;
        font-size: 16px;
        border-bottom: 1px solid rgba(212, 175, 55, 0.1);
    }

    .dropdown-item:hover {
        padding-left: 50px;
        transform: translateX(10px);
    }

    /* Hide phone number text on small screens */
    .osama4-phone-btn span {
        display: none;
    }

    .osama4-phone-btn {
        padding: 12px;
        border-radius: 50%;
        width: 48px;
        height: 48px;
        justify-content: center;
    }
}

/* Very Small Screens */
@media (max-width: 480px) {
    .osama4-container {
        padding: 0 15px;
    }

    .osama4-nav-link {
        font-size: 16px;
        padding: 18px 20px;
    }

    .osama4-logo-main {
        font-size: 20px;
    }

    .osama4-logo img {
        width: 40px;
        height: 40px;
    }
}