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

:root {
    --primary-blue: #0066CC;
    --dark-blue: #1E3A8A;
    --light-blue: #3B82F6;
    --accent-blue: #60A5FA;
    --white: #FFFFFF;
    --light-gray: #F8FAFC;
    --gray: #E5E7EB;
    --dark-gray: #6B7280;
    --text-dark: #1F2937;
    --gradient-primary: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    --gradient-secondary: linear-gradient(135deg, var(--dark-blue), var(--primary-blue));
    --shadow-light: 0 4px 6px rgba(0, 102, 204, 0.1);
    --shadow-medium: 0 10px 25px rgba(0, 102, 204, 0.15);
    --shadow-heavy: 0 20px 40px rgba(0, 102, 204, 0.2);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Cairo', 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

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

/* Loading Screen */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: opacity 0.5s ease-out;
}

.loader {
    text-align: center;
    color: var(--white);
}

.loader-circle {
    width: 80px;
    height: 80px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid var(--white);
    border-radius: 50%;
    margin: 0 auto 20px;
    animation: spin 1s linear infinite;
}

.loader-text {
    font-size: 1.5rem;
    font-weight: 600;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-light);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-medium);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    text-decoration: none;
}

.nav-logo i {
    margin-left: 10px;
    font-size: 2rem;
    animation: rotate 3s ease-in-out infinite;
}

@keyframes rotate {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(180deg); }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--gradient-primary);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
}

.particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    animation: floatShape 8s ease-in-out infinite;
}

.shape-1 {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    border-radius: 20px;
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.shape-3 {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    bottom: 30%;
    left: 20%;
    animation-delay: 4s;
}

.shape-4 {
    width: 120px;
    height: 120px;
    border-radius: 15px;
    top: 40%;
    right: 30%;
    animation-delay: 6s;
}

@keyframes floatShape {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    25% { transform: translateY(-30px) rotate(90deg); }
    50% { transform: translateY(-60px) rotate(180deg); }
    75% { transform: translateY(-30px) rotate(270deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.2;
}

.typing-text {
    display: inline-block;
}

.cursor {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.9;
    animation: slideUp 1s ease-out 0.5s both;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 0.9;
        transform: translateY(0);
    }
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
    animation: slideUp 1s ease-out 0.7s both;
}

.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--white);
    color: var(--primary-blue);
    box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-blue);
    transform: translateY(-3px);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    animation: slideUp 1s ease-out 0.9s both;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.8;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border: 2px solid var(--white);
    border-top: none;
    border-right: none;
    transform: rotate(-45deg);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) rotate(-45deg); }
    40% { transform: translateY(-10px) rotate(-45deg); }
    60% { transform: translateY(-5px) rotate(-45deg); }
}

/* Section Styles */
section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--dark-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    background: var(--light-gray);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.about-text {
    display: grid;
    gap: 30px;
}

.about-card {
    background: var(--white);
    padding: 30px;
    border-radius: 20px;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--white);
    font-size: 1.5rem;
}

.about-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.about-card p {
    color: var(--dark-gray);
    line-height: 1.8;
}

.about-image {
    position: relative;
}

.image-container {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

.image-container img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 102, 204, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.image-container:hover .image-overlay {
    opacity: 1;
}

.image-container:hover img {
    transform: scale(1.1);
}

.play-button {
    width: 80px;
    height: 80px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    font-size: 2rem;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.play-button:hover {
    transform: scale(1.1);
}

.nanosoft-info {
    margin-top: 60px;
}

.nanosoft-card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-medium);
    display: flex;
    align-items: center;
    gap: 30px;
    position: relative;
    overflow: hidden;
}

.nanosoft-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.05;
}

.nanosoft-logo {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2rem;
    flex-shrink: 0;
}

.nanosoft-content h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.nanosoft-content p {
    color: var(--dark-gray);
    margin-bottom: 20px;
    line-height: 1.8;
}

.nanosoft-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.feature-tag {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: var(--shadow-light);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: var(--white);
    font-size: 2rem;
    transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(360deg);
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.service-card p {
    color: var(--dark-gray);
    margin-bottom: 25px;
    line-height: 1.8;
}

.service-features {
    list-style: none;
    text-align: right;
}

.service-features li {
    padding: 8px 0;
    color: var(--dark-gray);
    position: relative;
    padding-right: 25px;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    right: 0;
    color: var(--primary-blue);
    font-weight: bold;
}

/* Members Section */
.members {
    background: var(--light-gray);
}

.members-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.members-counter {
    text-align: center;
    margin-bottom: 40px;
}

.counter-circle {
    width: 200px;
    height: 200px;
    border: 8px solid var(--primary-blue);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    position: relative;
    background: var(--white);
    box-shadow: var(--shadow-medium);
}

.counter-circle::before {
    content: '';
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
    border-radius: 50%;
    background: var(--gradient-primary);
    z-index: -1;
    animation: rotate 10s linear infinite;
}

.counter-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary-blue);
}

.counter-label {
    font-size: 1.2rem;
    color: var(--dark-gray);
    margin-top: 10px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.stat-box {
    background: var(--white);
    padding: 25px;
    border-radius: 15px;
    box-shadow: var(--shadow-light);
    display: flex;
    align-items: center;
    gap: 15px;
    transition: transform 0.3s ease;
}

.stat-box:hover {
    transform: translateY(-5px);
}

.stat-box i {
    font-size: 2rem;
    color: var(--primary-blue);
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-dark);
}

.stat-text {
    color: var(--dark-gray);
    font-size: 0.9rem;
}

.join-card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-medium);
}

.join-card h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 30px;
    text-align: center;
    color: var(--text-dark);
}

.join-steps {
    margin-bottom: 30px;
}

.step {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
    position: relative;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 22px;
    top: 50px;
    width: 2px;
    height: 30px;
    background: var(--gray);
}

.step-number {
    width: 45px;
    height: 45px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--text-dark);
}

.step-content p {
    color: var(--dark-gray);
    font-size: 0.95rem;
}

.join-btn {
    width: 100%;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
}

.join-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    display: grid;
    gap: 30px;
}

.contact-card {
    background: var(--white);
    padding: 30px;
    border-radius: 20px;
    box-shadow: var(--shadow-light);
    text-align: center;
    transition: transform 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--white);
    font-size: 1.5rem;
}

.contact-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.contact-card p {
    color: var(--dark-gray);
    margin-bottom: 5px;
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-medium);
}

.form-group {
    position: relative;
    margin-bottom: 25px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px 50px 15px 20px;
    border: 2px solid var(--gray);
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: var(--white);
    font-family: inherit;
}

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

.form-group i {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--dark-gray);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--accent-blue);
}

.footer-logo i {
    margin-left: 10px;
    font-size: 2rem;
}

.footer-section p {
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--primary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--accent-blue);
    transform: translateY(-3px);
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--gray);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-blue);
}

.nanosoft-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: var(--gray);
}

.nanosoft-contact i {
    color: var(--primary-blue);
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 20px;
    text-align: center;
}

.footer-copyright p {
    color: var(--gray);
    margin-bottom: 5px;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

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

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-medium);
        padding: 20px 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 15px 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .members-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .nanosoft-card {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .btn {
        padding: 12px 25px;
        font-size: 1rem;
    }
}

/* Add these to your existing styles.css */

/* Mobile Menu Button Animation */
.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.hamburger.active .bar:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Prevent body scroll when menu is open */
body.no-scroll {
    overflow: hidden;
}

/* Active nav link */
.nav-link.active {
    color: var(--primary-blue);
}

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

/* Mobile Responsive Styles */
@media screen and (max-width: 768px) {
    /* Navbar Mobile Styles */
    .hamburger {
        display: flex;
        z-index: 1001;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        height: calc(100vh - 70px);
        padding: 20px;
        transition: 0.3s;
        box-shadow: var(--shadow-light);
        z-index: 999;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        font-size: 1.2rem;
        padding: 15px 0;
        width: 100%;
        text-align: center;
        border-bottom: 1px solid var(--gray);
    }
    
    /* Hero Section Mobile Styles */
    .hero {
        padding-top: 70px;
        min-height: 100vh;
        height: auto;
    }
    
    .hero-content {
        padding: 40px 20px;
    }
    
    .hero-title {
        font-size: 2.2rem;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 30px;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
        margin-bottom: 40px;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 25px;
    }
    
    .stat-item {
        width: 100%;
    }
    
    /* Sections Mobile Styles */
    section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
    }
    
    /* About Section Mobile */
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-card {
        padding: 25px;
    }
    
    /* Services Section Mobile */
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    /* Members Section Mobile */
    .members-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    /* Contact Section Mobile */
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-form {
        padding: 30px;
    }
}

/* Small Mobile Devices */
@media screen and (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .counter-circle {
        width: 150px;
        height: 150px;
    }
    
    .counter-number {
        font-size: 2.5rem;
    }
}