:root {
            --primary: #4361ee;
            --primary-light: #e0e7ff;
            --secondary: #3a0ca3;
            --accent: #f72585;
            --accent-light: #fce4ec;
            --success: #4cc9f0;
            --warning: #f8961e;
            --light: #f8fafc;
            --dark: #0f172a;
            --gray: #64748b;
            --gray-light: #e2e8f0;
            --card-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
            --card-shadow-hover: 0 20px 40px rgba(67, 97, 238, 0.1);
            --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --border-radius: 20px;
            --border-radius-sm: 12px;
            --gradient-primary: linear-gradient(135deg, #4361ee 0%, #3a0ca3 100%);
            --gradient-accent: linear-gradient(135deg, #f72585 0%, #b5179e 100%);
            --gradient-light: linear-gradient(135deg, #f0f4ff 0%, #f8fafc 100%);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', sans-serif;
            background: var(--light);
            color: var(--dark);
            line-height: 1.7;
            overflow-x: hidden;
        }

        h1, h2, h3, h4, h5 {
            font-family: 'Poppins', sans-serif;
            font-weight: 700;
            line-height: 1.2;
        }

        /* HEADER */
        header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            padding: 1.2rem 0;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }

        header.scrolled {
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            padding: 0.8rem 0;
        }

        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }

        .logo:hover {
            transform: translateY(-2px);
        }

        .logo-icon {
            width: 45px;
            height: 45px;
            background: var(--gradient-primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
            box-shadow: 0 5px 15px rgba(67, 97, 238, 0.3);
        }

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

        .nav-links a {
            color: var(--dark);
            text-decoration: none;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius-sm);
            transition: var(--transition);
            position: relative;
        }

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

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background: var(--gradient-primary);
            border-radius: 3px;
            transition: var(--transition);
        }

        .nav-links a:hover::after {
            width: 80%;
        }

        .nav-links a.active {
            color: var(--primary);
        }

        .nav-links a.active::after {
            width: 80%;
        }

        .auth-buttons {
            display: flex;
            gap: 1rem;
            align-items: center;
        }

        .btn-login {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            padding: 0.6rem 1.8rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
        }

        .btn-login:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 5px 20px rgba(67, 97, 238, 0.3);
        }

        .btn-signup {
            background: var(--gradient-primary);
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 5px 20px rgba(67, 97, 238, 0.3);
        }

        .btn-signup:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(67, 97, 238, 0.4);
        }

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

        /* HERO SECTION */
        .about-hero {
            padding: 180px 0 120px;
            position: relative;
            overflow: hidden;
            background: var(--gradient-primary);
            color: white;
            text-align: center;
        }

        .about-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
            background-size: cover;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
        }

        .about-hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            line-height: 1.1;
        }

        .about-hero h1 span {
            background: linear-gradient(45deg, #f72585, #ff9e00);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .about-hero p {
            font-size: 1.3rem;
            margin-bottom: 2.5rem;
            opacity: 0.9;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-primary {
            background: var(--gradient-accent);
            color: white;
            padding: 1rem 2.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 10px 30px rgba(247, 37, 133, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-5px) scale(1.05);
            box-shadow: 0 15px 40px rgba(247, 37, 133, 0.4);
        }

        /* IMPACT STATS */
        .impact-stats {
            padding: 80px 0;
            background: white;
        }

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

        .stat-card {
            background: white;
            padding: 2.5rem 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            text-align: center;
            border: 1px solid var(--gray-light);
            position: relative;
            overflow: hidden;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: var(--gradient-primary);
        }

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

        .stat-icon {
            width: 70px;
            height: 70px;
            background: var(--primary-light);
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: var(--primary);
            font-size: 1.8rem;
            transition: var(--transition);
        }

        .stat-card:hover .stat-icon {
            background: var(--gradient-primary);
            color: white;
            transform: scale(1.1) rotate(5deg);
        }

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

        .stat-label {
            font-size: 1.1rem;
            color: var(--gray);
        }

        /* MISSION SECTION */
        .mission-section {
            padding: 100px 0;
            background: var(--gradient-light);
        }

        .section-title {
            text-align: center;
            font-size: 2.8rem;
            margin-bottom: 1rem;
            color: var(--dark);
        }

        .section-subtitle {
            text-align: center;
            font-size: 1.2rem;
            color: var(--gray);
            max-width: 600px;
            margin: 0 auto 4rem;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 80px;
            height: 5px;
            background: var(--gradient-primary);
            border-radius: 5px;
            margin: 1rem auto 0;
        }

        .mission-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2.5rem;
            margin-top: 3rem;
        }

        .mission-card {
            background: white;
            padding: 3rem 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            text-align: center;
            border: 1px solid var(--gray-light);
            position: relative;
            overflow: hidden;
        }

        .mission-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: var(--gradient-primary);
        }

        .mission-card:hover {
            transform: translateY(-15px);
            box-shadow: var(--card-shadow-hover);
            border-color: var(--primary-light);
        }

        .mission-icon {
            width: 80px;
            height: 80px;
            background: var(--primary-light);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 2rem;
            color: var(--primary);
            font-size: 2rem;
            transition: var(--transition);
        }

        .mission-card:hover .mission-icon {
            background: var(--gradient-primary);
            color: white;
            transform: scale(1.1) rotate(5deg);
        }

        .mission-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--dark);
        }

        .mission-card p {
            color: var(--gray);
            line-height: 1.6;
        }

        /* VALUES SECTION */
        .values-section {
            padding: 100px 0;
            background: white;
        }

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

        .value-card {
            background: var(--light);
            padding: 2.5rem;
            border-radius: var(--border-radius);
            border-left: 5px solid var(--primary);
            transition: var(--transition);
        }

        .value-card:hover {
            background: white;
            box-shadow: var(--card-shadow-hover);
            transform: translateX(10px);
        }

        .value-number {
            width: 50px;
            height: 50px;
            background: var(--gradient-primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 700;
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
        }

        .value-card h3 {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: var(--dark);
        }

        .value-card p {
            color: var(--gray);
            line-height: 1.6;
        }

        /* TEAM SECTION */
        .team-section {
            padding: 100px 0;
            background: var(--gradient-light);
        }

        .team-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2.5rem;
            margin-top: 3rem;
        }

        .team-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 2.5rem;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            text-align: center;
            border: 1px solid transparent;
            position: relative;
            overflow: hidden;
        }

        .team-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: var(--gradient-primary);
        }

        .team-card:hover {
            transform: translateY(-15px);
            box-shadow: var(--card-shadow-hover);
            border-color: var(--primary-light);
        }

        .team-avatar {
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: var(--primary);
            font-size: 3rem;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .team-avatar::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--gradient-primary);
            opacity: 0;
            transition: var(--transition);
        }

        .team-card:hover .team-avatar::after {
            opacity: 0.2;
        }

        .team-card h3 {
            font-size: 1.4rem;
            margin-bottom: 0.5rem;
            color: var(--dark);
        }

        .team-role {
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 1rem;
            font-size: 1rem;
        }

        .team-bio {
            color: var(--gray);
            margin-bottom: 1.5rem;
            line-height: 1.6;
        }

        .team-social {
            display: flex;
            justify-content: center;
            gap: 1rem;
        }

        .team-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }

        .team-social a:hover {
            background: var(--gradient-primary);
            color: white;
            transform: translateY(-3px);
        }

        /* JOURNEY TIMELINE */
        .journey-section {
            padding: 100px 0;
            background: white;
        }

        .timeline {
            max-width: 800px;
            margin: 4rem auto 0;
            position: relative;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 100%;
            background: var(--gradient-primary);
            border-radius: 2px;
        }

        .timeline-item {
            margin-bottom: 3rem;
            position: relative;
            width: 50%;
            padding: 0 3rem;
        }

        .timeline-item:nth-child(odd) {
            left: 0;
        }

        .timeline-item:nth-child(even) {
            left: 50%;
        }

        .timeline-content {
            background: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--card-shadow);
            border: 1px solid var(--gray-light);
            transition: var(--transition);
            position: relative;
        }

        .timeline-content:hover {
            transform: translateY(-5px);
            box-shadow: var(--card-shadow-hover);
            border-color: var(--primary-light);
        }

        .timeline-year {
            position: absolute;
            top: -15px;
            background: var(--gradient-primary);
            color: white;
            padding: 0.5rem 1.5rem;
            border-radius: 25px;
            font-weight: 600;
            font-size: 1rem;
            box-shadow: 0 5px 15px rgba(67, 97, 238, 0.3);
        }

        .timeline-item:nth-child(odd) .timeline-year {
            right: -15px;
        }

        .timeline-item:nth-child(even) .timeline-year {
            left: -15px;
        }

        .timeline-content h3 {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: var(--dark);
        }

        .timeline-content p {
            color: var(--gray);
            line-height: 1.6;
        }

        /* CTA SECTION */
        .cta-section {
            padding: 100px 0;
            background: var(--gradient-primary);
            color: white;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
            background-size: cover;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-section h2 {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
        }

        .cta-section p {
            font-size: 1.2rem;
            opacity: 0.9;
            margin-bottom: 3rem;
        }

        .cta-buttons {
            display: flex;
            gap: 1.5rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            color: white;
            padding: 1rem 2.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
            border: 2px solid rgba(255, 255, 255, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.25);
            transform: translateY(-5px);
            border-color: rgba(255, 255, 255, 0.5);
        }

        /* FOOTER */
        footer {
            background: var(--dark);
            color: white;
            padding: 80px 0 30px;
            position: relative;
        }

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

        .footer-column h3 {
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            color: white;
        }

        .footer-column p {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 1.5rem;
            line-height: 1.6;
        }

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

        .footer-links li {
            margin-bottom: 0.8rem;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-links a:hover {
            color: white;
            transform: translateX(5px);
        }

        .social-icons {
            display: flex;
            gap: 1rem;
            margin-top: 1.5rem;
        }

        .social-icons a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            text-decoration: none;
            transition: var(--transition);
        }

        .social-icons a:hover {
            background: var(--primary);
            transform: translateY(-3px);
        }

        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
        }

        /* LOADING ANIMATION */
        .loading {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--gradient-primary);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 9999;
            transition: opacity 0.5s ease;
        }

        .loading.hidden {
            opacity: 0;
            pointer-events: none;
        }

        .spinner {
            width: 60px;
            height: 60px;
            border: 4px solid rgba(255, 255, 255, 0.3);
            border-top: 4px solid white;
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

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

        /* RESPONSIVE DESIGN */
        @media (max-width: 1024px) {
            .timeline::before {
                left: 30px;
            }
            
            .timeline-item {
                width: 100%;
                left: 0 !important;
                padding-left: 70px;
                padding-right: 0;
            }
            
            .timeline-year {
                left: 0 !important;
                right: auto !important;
            }
        }

        @media (max-width: 768px) {
            .nav-links, .auth-buttons {
                display: none;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .about-hero {
                padding: 150px 0 80px;
            }
            
            .about-hero h1 {
                font-size: 2.5rem;
            }
            
            .section-title {
                font-size: 2.2rem;
            }
            
            .mission-cards, .values-grid, .team-grid {
                grid-template-columns: 1fr;
            }
            
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            
            .btn-primary, .btn-secondary {
                width: 100%;
                max-width: 300px;
                justify-content: center;
            }
        }

        @media (max-width: 480px) {
            .about-hero h1 {
                font-size: 2rem;
            }
            
            .about-hero p {
                font-size: 1.1rem;
            }
            
            .section-title {
                font-size: 1.8rem;
            }
            
            .mission-card, .stat-card, .team-card {
                padding: 2rem 1.5rem;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
                text-align: center;
            }
            
            .footer-links a {
                justify-content: center;
            }
        }
        /* ===============================
   MOBILE RESPONSIVE FIXES
   Screen ≤ 768px
================================ */
@media (max-width: 768px) {

/* ---------- GENERAL ---------- */
body {
    overflow-x: hidden;
}

.container {
    width: 95%;
    padding: 0 12px;
}

h1 {
    font-size: 2.2rem !important;
    line-height: 1.2;
}

h2 {
    font-size: 1.8rem !important;
}

p {
    font-size: 1rem;
}

/* ---------- HEADER / NAV ---------- */
.nav-links,
.auth-buttons {
    display: none;
}

.mobile-menu-btn {
    display: block;
}

header {
    padding: 0.8rem 0;
}

/* ---------- HERO SECTION ---------- */
.hero {
    padding: 130px 0 60px;
}

.hero p {
    font-size: 1.05rem;
    margin-bottom: 2rem;
}

.hero-bg {
    clip-path: none;
    opacity: 0.08;
}

/* ---------- BUTTONS ---------- */
.btn-primary,
.btn-secondary,
.btn-login,
.btn-signup {
    width: 100%;
    text-align: center;
    padding: 14px 20px;
}

/* ---------- GRIDS ---------- */
.subjects-grid,
.stats-grid,
.features-grid,
.contact-cards {
    grid-template-columns: 1fr !important;
    gap: 1.5rem;
}

.subject-card {
    transform: none !important;
}

/* ---------- CLASS SELECTOR ---------- */
.class-selector {
    position: static;
    padding: 30px 0;
    box-shadow: none;
}

.class-buttons {
    gap: 0.7rem;
}

.class-btn {
    width: 100%;
    justify-content: center;
    font-size: 1rem;
    padding: 0.9rem 1rem;
}

/* ---------- FOOTER ---------- */
footer {
    text-align: center;
}

.footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
}

.social-icons {
    justify-content: center;
}

/* ---------- LOGIN / SIGNUP ---------- */
.auth-container {
    flex-direction: column;
    min-height: auto;
}

.welcome-side {
    padding: 40px 25px;
    text-align: center;
}

.welcome-side h2 {
    font-size: 2rem;
}

.form-side {
    padding: 35px 25px;
}

.form-row {
    flex-direction: column;
}

/* ---------- REDUCE ANIMATIONS ---------- */
* {
    animation-duration: 0.4s !important;
}
}