/* Airis Fonts */
@font-face {
    font-family: 'Airis Font';
    src: url('assets/AIRIS_FONT.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'Airis Font ExtraBold';
    src: url('assets/Airis_Font_ExtraBold.ttf') format('truetype');
    font-weight: bold;
    font-style: normal;
}

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

:root {
    --primary-blue: #3949AB;
    --secondary-blue: #5C6BC0;
    --light-blue: #E8EAF6;
    --dark-blue: #283593;
    --accent-blue: #1976D2;
    --text-dark: #212121;
    --text-light: #757575;
    --text-white: #FFFFFF;
    --background-light: #FAFAFA;
    --background-white: #FFFFFF;
    --border-light: #E0E0E0;
    --success-green: #4CAF50;
    --warning-orange: #FF9800;
    --error-red: #F44336;
    --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 8px 24px rgba(0, 0, 0, 0.2);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background-white);
}

html {
    scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: var(--primary-blue);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(45deg, var(--primary-blue), var(--secondary-blue));
    margin: 1rem auto;
    border-radius: 2px;
}

.highlight {
    color: var(--primary-blue);
    font-weight: 700;
}

.hero .highlight {
    color: var(--secondary-blue);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-blue), var(--secondary-blue));
    color: var(--text-white);
    box-shadow: var(--shadow-light);
}

.btn-primary:hover {
    background: linear-gradient(45deg, var(--dark-blue), var(--primary-blue));
    box-shadow: var(--shadow-medium);
    transform: translateY(-2px);
}

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

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

.btn-outline {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

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

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Navigation */
.navbar {
    background: var(--background-white);
    box-shadow: var(--shadow-light);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}

.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;
    gap: 10px;
}

.logo {
    height: 60px;
    width: auto;
}

.logo-text {
    font-family: 'Airis Font ExtraBold', 'Inter', sans-serif;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-blue);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

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

.portal-btn {
    background: var(--primary-blue);
    color: var(--text-white) !important;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    border: none !important;
}

.portal-btn:hover {
    background: var(--dark-blue);
    transform: translateY(-1px);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 3px;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), url('assets/Free Big Concrete Wall Mockup.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    color: var(--text-white);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    text-align: left;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-white);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.9);
}

.hero-description {
    font-size: 1rem;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 90%;
}

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

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-main-image {
    width: 100%;
    max-width: 450px;
    height: auto;
    border-radius: 15px;
    box-shadow: var(--shadow-medium);
}

.hero-card {
    background: var(--background-white);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-medium);
    text-align: center;
    max-width: 280px;
}

.hero-card i {
    font-size: 4rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.hero-card h3 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

/* Main Services Section */
.main-services {
    padding: 80px 0;
    background: var(--background-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--background-white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-light);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

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

.main-service {
    border-top: 4px solid var(--primary-blue);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.service-icon i {
    font-size: 2rem;
    color: var(--text-white);
}

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.service-card p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.service-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.service-link:hover {
    color: var(--dark-blue);
}

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

.about-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 5rem;
    align-items: start;
    margin-top: 2rem;
}

.about-text {
    padding-right: 2rem;
}

.about-description {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--text-light);
    line-height: 1.7;
}

.about-features {
    background: var(--background-white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-medium);
    display: grid;
    gap: 1.5rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    border-radius: 8px;
    transition: var(--transition);
}

.feature:hover {
    background: var(--light-blue);
    transform: translateX(5px);
}

.feature i {
    color: var(--primary-blue);
    font-size: 1.3rem;
    background: var(--light-blue);
    padding: 8px;
    border-radius: 50%;
    min-width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature span {
    font-weight: 500;
    color: var(--text-dark);
}

.about-image {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.about-main-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 15px;
    box-shadow: var(--shadow-medium);
}

.about-card {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--text-white);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-medium);
    max-width: 300px;
}

.about-card i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.about-card h3 {
    color: var(--text-white);
    margin-bottom: 1rem;
}

.about-card p {
    color: rgba(255, 255, 255, 0.9);
}

/* AI Innovation Section */
.ai-innovation {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--background-light) 0%, var(--light-blue) 100%);
}

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

.ai-innovation-description {
    font-size: 1.1rem;
    margin-bottom: 3rem;
    color: var(--text-light);
}

.ai-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 2rem;
}

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

.ai-stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.ai-stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 500;
}

.ai-innovation-image {
    display: flex;
    justify-content: center;
}

.ai-main-image {
    width: 100%;
    max-width: 450px;
    height: auto;
    border-radius: 15px;
    box-shadow: var(--shadow-medium);
}

/* Portal Section */
.portal-section {
    padding: 80px 0;
    background: var(--light-blue);
}

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

.portal-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--text-light);
}

.portal-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.portal-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-dark);
}

.portal-feature i {
    color: var(--primary-blue);
}

.portal-visual {
    display: flex;
    justify-content: center;
}

.portal-mockup {
    background: var(--background-white);
    border-radius: 15px;
    box-shadow: var(--shadow-medium);
    overflow: hidden;
    max-width: 300px;
    width: 100%;
}

.mockup-header {
    background: var(--border-light);
    padding: 1rem;
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-light);
}

.mockup-content {
    padding: 3rem 2rem;
    text-align: center;
}

.mockup-content i {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

/* Certificate Section */
.certificate-section {
    padding: 80px 0;
    background: var(--background-white);
}

.certificate-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.certificate-info h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.search-form {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.search-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--border-light);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-blue);
}

.certificate-result {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-top: 1rem;
    display: none;
}

.certificate-result.success {
    background: var(--light-blue);
    border: 1px solid var(--primary-blue);
    color: var(--primary-blue);
    display: block;
}

.certificate-result.error {
    background: #FFEBEE;
    border: 1px solid var(--error-red);
    color: var(--error-red);
    display: block;
}

.certificate-generation {
    text-align: center;
    padding: 3rem;
    background: var(--light-blue);
    border-radius: 15px;
}

.certificate-generation h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.certificate-generation p {
    color: var(--text-light);
    margin-bottom: 2rem;
}

.certificate-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.cert-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--background-white);
    border-radius: 8px;
    box-shadow: var(--shadow-light);
}

.cert-feature i {
    color: var(--success-green);
    font-size: 1.2rem;
}

.cert-feature span {
    font-weight: 500;
    color: var(--text-dark);
}

/* Courses Section */
.courses {
    padding: 80px 0;
    background: var(--background-light);
}

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

.course-card {
    background: var(--background-white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.course-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.course-icon i {
    font-size: 1.5rem;
    color: var(--text-white);
}

.course-features {
    list-style: none;
    margin-top: 1rem;
}

.course-features li {
    padding: 0.5rem 0;
    color: var(--text-light);
    border-bottom: 1px solid var(--border-light);
}

.course-features li:last-child {
    border-bottom: none;
}

/* Levels Section */
.levels {
    padding: 80px 0;
    background: var(--background-white);
}

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

.level-card {
    background: var(--background-white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-light);
    text-align: center;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.level-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.level-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.level-icon.beginner {
    background: linear-gradient(45deg, var(--success-green), #66BB6A);
}

.level-icon.intermediate {
    background: linear-gradient(45deg, var(--warning-orange), #FFB74D);
}

.level-icon.advanced {
    background: linear-gradient(45deg, var(--primary-blue), var(--secondary-blue));
}

.level-icon i {
    font-size: 2rem;
    color: var(--text-white);
}

.level-features {
    list-style: none;
    text-align: left;
    margin-top: 1.5rem;
}

.level-features li {
    padding: 0.5rem 0;
    color: var(--text-light);
    position: relative;
    padding-left: 1.5rem;
}

.level-features li::before {
    content: '•';
    color: var(--primary-blue);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Contribute Section */
.contribute {
    padding: 80px 0;
    background: var(--light-blue);
}

.contribute-intro {
    text-align: center;
    margin-bottom: 3rem;
}

.contribute-intro p {
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto;
}

.contributors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.contributor-card {
    background: var(--background-white);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.contributor-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.contributor-card i {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.contributor-card h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.contribute-cta {
    text-align: center;
    background: var(--background-white);
    padding: 3rem;
    border-radius: 15px;
    box-shadow: var(--shadow-light);
}

.contribute-cta h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

/* Results Section */
.results {
    padding: 80px 0;
    background: var(--background-white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.stat-card {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--text-white);
    border-radius: 15px;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

.results-details {
    display: grid;
    gap: 2rem;
}

.result-item {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    padding: 2rem;
    background: var(--light-blue);
    border-radius: 15px;
}

.result-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.result-icon i {
    font-size: 1.5rem;
    color: var(--text-white);
}

.result-content h3 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

/* Team Section */
.team {
    padding: 80px 0;
    background: var(--background-light);
}

.team-intro {
    text-align: center;
    margin-bottom: 3rem;
}

.team-intro p {
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto;
}

.team-values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.value-card {
    background: var(--background-white);
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.value-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.value-icon i {
    font-size: 2rem;
    color: var(--text-white);
}

.team-qualities {
    background: var(--background-white);
    padding: 3rem;
    border-radius: 15px;
    box-shadow: var(--shadow-light);
}

.team-qualities h3 {
    text-align: center;
    color: var(--primary-blue);
    margin-bottom: 2rem;
}

.qualities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.quality {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
}

.quality i {
    color: var(--success-green);
    font-size: 1.2rem;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('assets/Sign Mockup 2.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--text-white);
}

.contact .section-title {
    color: var(--text-white);
}

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

.contact-info h3 {
    color: var(--text-white);
    margin-bottom: 1rem;
}

.contact-info p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1rem;
}

.contact-details {
    margin: 2rem 0;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-item i {
    color: var(--secondary-blue);
    font-size: 1.2rem;
    margin-top: 0.2rem;
}

.contact-item h4 {
    color: var(--text-white);
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.contact-item p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.social-link:hover {
    background: var(--secondary-blue);
    border-color: var(--secondary-blue);
    transform: translateY(-2px);
}

.contact-form {
    background: rgba(255, 255, 255, 0.95);
    padding: 2.5rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-light);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--background-white);
}

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

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

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
}

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

.footer-logo-text {
    font-family: 'Airis Font ExtraBold', 'Inter', sans-serif;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-blue);
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1rem;
}

.footer-section h3 {
    color: var(--text-white);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

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

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--background-white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-light);
        padding: 2rem 0;
        gap: 1rem;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }
    
    .about-content,
    .portal-content,
    .certificate-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-text {
        padding-right: 0;
    }
    
    .about-features {
        margin-top: 1rem;
    }
    
    .search-form {
        flex-direction: column;
    }
    
    .services-grid,
    .courses-grid,
    .levels-content,
    .contributors-grid,
    .team-values {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .qualities-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .portal-features {
        grid-template-columns: 1fr;
    }
    
    .result-item {
        flex-direction: column;
        text-align: center;
    }
    
    .ai-innovation-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .ai-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 250px;
    }
    
    .ai-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .ai-stat-number {
        font-size: 2rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling offset for fixed navbar */
section {
    scroll-margin-top: 80px;
}

/* Loading states */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}