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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "Kumbh Sans", Arial, sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            transition: background 0.3s ease, color 0.3s ease;
        }

        .container {
            width: 90%;
            max-width: 1300px;
            margin: 0 auto;
        }

        section {
            padding: 100px 0;
            position: relative;
        }

        /* ===== PREMIUM COLOR PALETTE 2026 ===== */
        :root {
            --primary: #5f4bdb;
            --primary-light: #7a68e0;
            --primary-dark: #4a38b9;
            --secondary: #ff7a5c;
            --secondary-light: #ff957a;
            --accent: #ffcd4d;
            --accent-light: #ffd970;
            --success: #2ec4b6;
            --info: #80d4ff;
            --warning: #ffb347;
            --danger: #ff6b6b;
            --dark: #1a2639;
            --dark-light: #2a3649;
            --light: #fafcff;
            --white: #ffffff;
            --gray: #eaeef2;
            --text-dark: #1e2b4f;
            --text-light: #5a6e85;
            --shadow-xs: 0 5px 15px -8px rgba(95,75,219,0.08);
            --shadow-sm: 0 10px 25px -10px rgba(95,75,219,0.1);
            --shadow-md: 0 20px 35px -12px rgba(95,75,219,0.15);
            --shadow-lg: 0 30px 50px -15px rgba(95,75,219,0.2);
            --shadow-xl: 0 40px 70px -20px rgba(95,75,219,0.25);
            --gradient-primary: linear-gradient(145deg, #5f4bdb, #7a68e0);
            --gradient-secondary: linear-gradient(145deg, #ff7a5c, #ff957a);
            --gradient-accent: linear-gradient(145deg, #ffcd4d, #ffd970);
            --gradient-dark: linear-gradient(145deg, #1a2639, #2a3649);
            --gradient-light: linear-gradient(145deg, #fafcff, #ffffff);
            --border-radius-xs: 8px;
            --border-radius-sm: 12px;
            --border-radius-md: 18px;
            --border-radius-lg: 24px;
            --border-radius-xl: 32px;
            --border-radius-xxl: 48px;
            --border-radius-circle: 50%;
            --border-width: 2px;
            --border-width-lg: 4px;
        }

        /* ===== DARK MODE ===== */
        .dark-mode {
            --bg-primary: #0f1419;
            --bg-secondary: #1a1f26;
            --bg-card: #242a33;
            --text-primary: #f0f4fa;
            --text-secondary: #cbd5e0;
            --border-color: #3a4450;
            --shadow-xs: 0 5px 15px -8px rgba(0,0,0,0.3);
            --shadow-sm: 0 10px 25px -10px rgba(0,0,0,0.4);
            --shadow-md: 0 20px 35px -12px rgba(0,0,0,0.5);
            --shadow-lg: 0 30px 50px -15px rgba(0,0,0,0.6);
            --shadow-xl: 0 40px 70px -20px rgba(0,0,0,0.7);
        }

        .light-mode {
            --bg-primary: #fafcff;
            --bg-secondary: #ffffff;
            --bg-card: #ffffff;
            --text-primary: #1e2b4f;
            --text-secondary: #5a6e85;
            --border-color: #eaeef2;
        }

        body {
            background: var(--bg-primary);
            color: var(--text-primary);
        }

        /* ===== ANIMATIONS ===== */
        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-15px); }
            100% { transform: translateY(0px); }
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.03); }
            100% { transform: scale(1); }
        }

        @keyframes shimmer {
            0% { background-position: -1000px 0; }
            100% { background-position: 1000px 0; }
        }

        .float-animation {
            animation: float 7s ease-in-out infinite;
        }

        .pulse-animation {
            animation: pulse 3s ease-in-out infinite;
        }

        /* ===== SECTION TITLES ===== */
        .section-title {
            font-size: 3.2rem;
            font-weight: 800;
            margin-bottom: 25px;
            letter-spacing: -1px;
            line-height: 1.2;
            position: relative;
            display: inline-block;
            color: var(--text-primary);
        }

        .section-title span {
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            position: relative;
            display: inline-block;
        }

        .section-title span::after {
            content: '';
            position: absolute;
            bottom: 8px;
            left: 0;
            width: 100%;
            height: 10px;
            background: var(--accent);
            border-radius: var(--border-radius-xxl);
            opacity: 0.3;
            z-index: -1;
        }

        .section-sub {
            font-size: 1.25rem;
            color: var(--text-secondary);
            margin-bottom: 60px;
            max-width: 700px;
        }

        /* ===== NAVBAR (5 menus, no dropdowns) ===== */
        .navbar {
            background: rgba(var(--bg-primary), 0.9);
            backdrop-filter: blur(20px);
            padding: 18px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: all 0.3s ease;
            border-bottom: 2px solid transparent;
            border-image: var(--gradient-primary);
            border-image-slice: 1;
        }

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

        /* ---------- PREMIUM DEMO LOGO ---------- */
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.9rem;
            font-weight: 800;
        }

        .logo-icon {
            width: 48px;
            height: 48px;
            background: var(--gradient-primary);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-lg);
            transform: rotate(3deg);
            transition: 0.3s;
        }
        .logo-icon i {
            font-size: 2rem;
            color: white;
            filter: drop-shadow(0 4px 6px rgba(0,0,0,0.2));
        }
        .logo-text {
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.5px;
        }
        .logo-text span {
            background: var(--gradient-secondary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 900;
        }
        .logo:hover .logo-icon {
            transform: rotate(0deg) scale(1.05);
        }

        .nav-links {
            display: flex;
            gap: 28px;
            align-items: center;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-primary);
            font-weight: 600;
            transition: 0.3s;
            position: relative;
            font-size: 1.05rem;
            padding: 8px 0;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--gradient-primary);
            transition: 0.3s;
            border-radius: var(--border-radius-xxl);
        }

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

        /* Join Now button premium */
        .btn-join {
            background: var(--gradient-primary);
            color: white !important;
            padding: 12px 32px !important;
            border-radius: var(--border-radius-xxl);
            font-weight: 700;
            box-shadow: var(--shadow-md);
            border: none;
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.5px;
            position: relative;
            overflow: hidden;
        }

        .btn-join i {
            font-size: 1.1rem;
            transition: transform 0.3s;
            color: white;
        }

        .btn-join:hover {
            transform: translateY(-4px) scale(1.02);
            box-shadow: var(--shadow-xl);
        }

        .btn-join:hover i {
            transform: translateX(6px);
        }

        .btn-join::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
            transition: left 0.6s;
        }

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

        .theme-toggle {
            background: var(--bg-card);
            border: 2px solid var(--border-color);
            border-radius: var(--border-radius-xxl);
            padding: 8px;
            display: flex;
            align-items: center;
            cursor: pointer;
            transition: 0.3s;
        }

        .theme-toggle i {
            font-size: 1.2rem;
            padding: 8px;
            border-radius: var(--border-radius-circle);
            transition: 0.3s;
        }

        .theme-toggle .fa-sun { color: var(--accent); }
        .theme-toggle .fa-moon { color: var(--primary); }

        .mobile-menu-btn {
            display: none;
            font-size: 1.8rem;
            color: var(--text-primary);
            cursor: pointer;
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: 80px;
            left: 0;
            width: 100%;
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            padding: 30px;
            box-shadow: var(--shadow-xl);
            z-index: 999;
            border-bottom: 2px solid var(--primary);
            max-height: calc(100vh - 80px);
            overflow-y: auto;
        }

        .mobile-nav a {
            display: block;
            padding: 18px 0;
            color: var(--text-primary);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.2rem;
            border-bottom: 1px solid var(--border-color);
        }

        .mobile-nav a:last-child { border-bottom: none; }

        /* ===== HERO SECTION ===== */
        .hero {
           
            position: relative;
            overflow: hidden;
            padding: 80px 0;
            border-bottom: 2px solid var(--border-color);
        }
        .hero::before { content: ''; position: absolute; top: -30%; right: -10%; width: 700px; height: 700px; background: radial-gradient(circle, rgba(95,75,219,0.06) 0%, rgba(255,122,92,0.02) 70%); border-radius: 50%; animation: float 18s ease-in-out infinite; }
        .hero-grid { display: flex; align-items: center; gap: 60px; flex-wrap: wrap; position: relative; z-index: 2; }
        .hero-content { flex: 1 1 45%; }
        .hero-badge { background: rgba(95,75,219,0.1); color: var(--primary); padding: 12px 28px; border-radius: var(--border-radius-xxl); display: inline-block; font-weight: 700; margin-bottom: 25px; border-left: 5px solid var(--primary); backdrop-filter: blur(10px); }
        .hero-content h1 { font-size: 3.8rem; font-weight: 800; line-height: 1.1; margin-bottom: 25px; color: var(--text-primary); }
        .hero-highlight { background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; display: inline-block; }
        .hero-desc { font-size: 1.25rem; color: var(--text-secondary); margin-bottom: 35px; }
        .hero-buttons { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 40px; }
        .btn-primary { background: var(--gradient-primary); color: white; padding: 16px 38px; border-radius: var(--border-radius-xxl); font-weight: 700; border: none; font-size: 1.05rem; cursor: pointer; transition: 0.3s; box-shadow: var(--shadow-md); display: flex; align-items: center; gap: 12px; position: relative; overflow: hidden; }
        .btn-primary::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: 0.5s; }
        .btn-primary:hover::before { left: 100%; }
        .btn-primary:hover { transform: translateY(-5px); box-shadow: var(--shadow-xl); }
        .btn-outline { background: transparent; border: 2px solid var(--primary); color: var(--primary); padding: 16px 38px; border-radius: var(--border-radius-xxl); font-weight: 700; font-size: 1.05rem; cursor: pointer; transition: 0.3s; display: flex; align-items: center; gap: 12px; }
        .btn-outline:hover { background: var(--primary); color: white; transform: translateY(-5px); }
        .people-section { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
        .people-images { display: flex; align-items: center; }
        .people-img { width: 50px; height: 50px; border-radius: 50%; object-fit: cover; border: 3px solid var(--white); margin-left: -15px; transition: 0.3s; box-shadow: var(--shadow-md); }
        .people-img:first-child { margin-left: 0; }
        .people-img:hover { transform: scale(1.1); border-color: var(--primary); z-index: 10; }
        .people-text { color: var(--text-secondary); font-weight: 600; }
        .people-text span { color: var(--primary); font-weight: 800; }
        .hero-image { flex: 1 1 45%; background: url('https://img.freepik.com/free-vector/online-education-isometric-concept_1284-17947.jpg?t=st=1749840052~exp=1749843652~hmac=ed7d0ed0db9e08154c8fa4a3d97aefd711a3a4cf88786ab84f48d41ff3e9a4b8&w=900') no-repeat center; background-size: contain; min-height: 450px; animation: float 8s ease-in-out infinite; }

        /* ===== 5 CATEGORIES ===== */
        .category-five { background: var(--bg-primary); }
        .category-grid-five { display: grid; grid-template-columns: repeat(5, 1fr); gap: 25px; margin-top: 40px; }
        .category-card { background: var(--bg-card); border-radius: var(--border-radius-xl); padding: 30px 20px; box-shadow: var(--shadow-md); transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); border: 2px solid var(--border-color); text-align: center; position: relative; overflow: hidden; }
        .category-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 6px; background: var(--gradient-primary); transform: scaleX(0); transition: 0.4s; }
        .category-card:hover::before { transform: scaleX(1); }
        .category-card:hover { transform: translateY(-15px) scale(1.02); box-shadow: var(--shadow-xl); border-color: var(--primary); }
        .category-img { width: 100%; height: 140px; background-size: cover; background-position: center; border-radius: var(--border-radius-lg); margin-bottom: 20px; border: 4px solid var(--white); box-shadow: var(--shadow-md); transition: 0.4s; }
        .category-card:hover .category-img { transform: scale(0.95); }
        .category-card h3 { font-size: 1.8rem; font-weight: 800; margin-bottom: 8px; background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
        .category-card p { color: var(--text-secondary); font-weight: 600; }

        /* ===== OUR PROFESSIONAL CERTIFICATIONS — BEAUTIFUL DEMO IMAGES ===== */
        .professional-certs { background: var(--bg-secondary); position: relative; text-align: center; }
        .section-title.center-title { text-align: center; display: block; width: 100%; }
        .section-sub.center-sub { margin-left: auto; margin-right: auto; text-align: center; }
        .cert-showcase-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 50px; text-align: left; }
        .cert-premium-card { background: var(--bg-card); border-radius: var(--border-radius-xl); padding: 30px; box-shadow: var(--shadow-lg); transition: all 0.4s ease; border: 2px solid var(--border-color); position: relative; overflow: hidden; display: flex; flex-direction: column; }
        .cert-premium-card::after { content: ''; position: absolute; top: 0; right: 0; width: 100px; height: 100px; background: radial-gradient(circle, rgba(95,75,219,0.1) 0%, transparent 70%); border-radius: 50%; transform: translate(30px, -30px); transition: 0.4s; }
        .cert-premium-card:hover { transform: translateY(-15px); border-color: var(--primary); box-shadow: var(--shadow-xl); }
        .cert-premium-card:hover::after { transform: translate(20px, -20px) scale(1.5); }
        .cert-premium-img { width: 100%; height: 180px; background-size: cover; background-position: center; border-radius: var(--border-radius-lg); margin-bottom: 25px; border: 4px solid var(--white); box-shadow: var(--shadow-md); transition: 0.4s; position: relative; z-index: 2; }
        .cert-premium-card:hover .cert-premium-img { transform: scale(0.98); }
        .cert-premium-card h3 { font-size: 1.6rem; font-weight: 800; margin-bottom: 15px; color: var(--text-primary); position: relative; z-index: 2; }
        .cert-premium-desc { color: var(--text-secondary); margin-bottom: 20px; font-size: 0.95rem; line-height: 1.7; flex-grow: 1; position: relative; z-index: 2; }
        .cert-badge { display: inline-block; background: rgba(95,75,219,0.1); color: var(--primary); padding: 6px 16px; border-radius: var(--border-radius-xxl); font-size: 0.85rem; font-weight: 700; margin-bottom: 15px; border-left: 3px solid var(--primary); position: relative; z-index: 2; }
        .cert-footer-buttons { display: flex; gap: 15px; margin-top: 25px; position: relative; z-index: 2; }
        .btn-enroll { background: var(--gradient-primary); color: white;  border-radius: var(--border-radius-xxl); font-weight: 700; border: none; font-size: 0.95rem; cursor: pointer; transition: 0.3s; box-shadow: var(--shadow-md); display: flex; align-items: center; gap: 8px; flex: 1; justify-content: center; }
        .btn-enroll:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
        .btn-details { background: transparent; border: 2px solid var(--primary); color: var(--primary); padding: 12px 20px; border-radius: var(--border-radius-xxl); font-weight: 700; font-size: 0.95rem; cursor: pointer; transition: 0.3s; display: flex; align-items: center; gap: 8px; flex: 0.7; justify-content: center; }
        .btn-details:hover { background: var(--primary); color: white; transform: translateY(-3px); }

        /* ===== STATS ===== */
        .stats-premium { background: var(--gradient-dark); color: white; padding: 100px 0; position: relative; overflow: hidden; }
        .stats-premium::before { content: ''; position: absolute; top: -50%; right: -10%; width: 600px; height: 600px; background: radial-gradient(circle, rgba(95,75,219,0.2) 0%, rgba(255,122,92,0.1) 70%); border-radius: 50%; animation: float 20s ease-in-out infinite; }
        .stats-grid-premium { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 40px; position: relative; z-index: 2; }
        .stat-block { text-align: center; }
        .stat-block h2 { font-size: 3.8rem; font-weight: 800; color: var(--accent); margin-bottom: 10px; text-shadow: 0 10px 20px rgba(0,0,0,0.2); }
        .stat-block p { font-size: 1.3rem; font-weight: 600; letter-spacing: 1px; color: rgba(255,255,255,0.9); }

        /* ===== LEARN ANYTHING ===== */
        .learn-section { background: var(--bg-primary); }
        .learn-grid { display: flex; align-items: center; gap: 60px; flex-wrap: wrap; }
        .learn-img { flex: 1 1 45%; background: url('https://img.freepik.com/free-vector/online-learning-education-concept_52683-37437.jpg?t=st=1749840530~exp=1749844130~hmac=fd922ed1e63c96a810635ea2e6af7c89b0b02c9ed2fe0edb6d5aa6ea68ee65ae&w=900') no-repeat center; background-size: contain; min-height: 400px; animation: float 8s ease-in-out infinite; }
        .learn-content { flex: 1 1 45%; }
        .learn-content h2 { font-size: 3rem; font-weight: 800; line-height: 1.2; margin-bottom: 25px; color: var(--text-primary); }
        .learn-feature-item { display: flex; gap: 20px; margin-bottom: 30px; padding: 25px; background: var(--bg-card); border-radius: var(--border-radius-lg); box-shadow: var(--shadow-md); transition: 0.3s; border: 2px solid var(--border-color); }
        .learn-feature-item:hover { transform: translateX(10px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
        .learn-feature-item i { font-size: 2.2rem; background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
        .learn-feature-item h4 { font-size: 1.3rem; font-weight: 800; margin-bottom: 8px; color: var(--text-primary); }

        /* ===== EXAM SUPPORT ===== */
        .exam-certificate { background: var(--bg-secondary); padding: 100px 0; }
        .cert-wrapper { display: flex; gap: 60px; align-items: flex-start; flex-wrap: wrap; }
        .cert-left { flex: 1 1 35%; position: sticky; top: 120px; }
        .cert-left h2 { font-size: 3rem; font-weight: 800; line-height: 1.2; margin-bottom: 25px; color: var(--text-primary); }
        .cert-left p { color: var(--text-secondary); font-size: 1.2rem; margin-bottom: 30px; }
        .cert-right { flex: 1 1 55%; }
        .cert-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 25px; }
        .cert-card { background: var(--bg-card); padding: 30px 25px; border-radius: var(--border-radius-xl); box-shadow: var(--shadow-md); border: 2px solid var(--border-color); transition: 0.4s; position: relative; overflow: hidden; }
        .cert-card:hover { transform: translateY(-10px); border-color: var(--primary); box-shadow: var(--shadow-xl); }
        .cert-icon { width: 60px; height: 60px; background: rgba(95,75,219,0.1); border-radius: var(--border-radius-md); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }
        .cert-icon i { font-size: 2rem; color: var(--primary); }
        .cert-card h3 { font-size: 1.5rem; font-weight: 800; margin-bottom: 15px; color: var(--text-primary); }
        .cert-list { list-style: none; margin: 20px 0; }
        .cert-list li { margin-bottom: 12px; display: flex; align-items: flex-start; gap: 10px; color: var(--text-secondary); font-size: 0.95rem; }
        .cert-list i { color: var(--success); font-size: 1rem; margin-top: 3px; }
        .cert-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 25px; padding-top: 20px; border-top: 2px solid var(--border-color); }
        .btn-read { color: var(--primary); font-weight: 700; text-decoration: none; display: flex; align-items: center; gap: 8px; transition: 0.3s; }
        .btn-read:hover { gap: 12px; color: var(--primary-dark); }
        .btn-details-sm { background: rgba(95,75,219,0.1); color: var(--primary); padding: 8px 20px; border-radius: var(--border-radius-xxl); font-weight: 700; text-decoration: none; font-size: 0.9rem; transition: 0.3s; }
        .btn-details-sm:hover { background: var(--primary); color: white; }
        .view-all { text-align: center; margin-top: 50px; }
        .view-all a { color: var(--primary); font-weight: 700; text-decoration: none; font-size: 1.2rem; display: inline-flex; align-items: center; gap: 10px; padding: 16px 38px; background: rgba(95,75,219,0.1); border-radius: var(--border-radius-xxl); transition: 0.3s; border: 2px solid transparent; }
        .view-all a:hover { background: var(--primary); color: white; gap: 15px; border-color: var(--accent); }

        /* ===== TESTIMONIAL ===== */
        .testimonial-premium { background: var(--bg-primary); }
        .testimonial-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 25px; }
        .testi-card { background: var(--bg-card); padding: 35px 25px; border-radius: var(--border-radius-xl); box-shadow: var(--shadow-md); border: 2px solid var(--border-color); transition: 0.3s; }
        .testi-card:hover { transform: translateY(-12px); box-shadow: var(--shadow-xl); border-color: var(--primary); }
        .testi-card i { color: var(--accent); font-size: 2rem; margin-bottom: 20px; opacity: 0.7; }
        .testi-card p { color: var(--text-secondary); margin-bottom: 25px; font-size: 0.95rem; line-height: 1.7; }
        .reviewer { display: flex; align-items: center; gap: 15px; }
        .reviewer img { width: 55px; height: 55px; border-radius: 50%; object-fit: cover; border: 4px solid var(--white); box-shadow: var(--shadow-md); }
        .reviewer h5 { font-weight: 800; margin-bottom: 5px; color: var(--text-primary); }
        .reviewer span { color: var(--primary); font-weight: 600; font-size: 0.85rem; }

        /* ===== FULLY RESPONSIVE — WELCOME TO GLOBALTECHCORE SECTION ===== */
        .studylab-about {
            background: var(--bg-secondary);
            position: relative;
            overflow: hidden;
            padding: 100px 0;
        }
        .about-premium-grid {
            display: flex;
            align-items: center;
            gap: 60px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }
        .about-left {
            flex: 1 1 48%;
        }
        .about-left h4 {
            color: var(--primary);
            font-size: 1.5rem;
            margin-bottom: 15px;
            font-weight: 700;
        }
        .about-left h2 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 25px;
            color: var(--text-primary);
        }
        .about-left h2 span {
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .feature-grid-about {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 25px;
            margin-top: 40px;
        }
        .feature-about-item {
            background: var(--bg-card);
            padding: 30px 25px;
            border-radius: var(--border-radius-lg);
            box-shadow: var(--shadow-md);
            transition: 0.3s;
            border: 2px solid var(--border-color);
        }
        .feature-about-item:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-xl);
            border-color: var(--primary);
        }
        .feature-about-item i {
            font-size: 2rem;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 18px;
        }
        .feature-about-item h5 {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .feature-about-item p {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        .about-right {
            flex: 1 1 40%;
            background: url('https://img.freepik.com/free-vector/learning-concept-illustration_114360-6186.jpg?t=st=1749841036~exp=1749844636~hmac=cc05b5bc6ca75a5b5161d7364a0f9eacdd3b184bb6ef959ca7c02f9b1d335f0f&w=900') no-repeat center;
            background-size: contain;
            min-height: 450px;
            animation: float 8s ease-in-out infinite;
        }
        /* extra small devices tweaks */
        @media (max-width: 992px) {
            .about-premium-grid { flex-direction: column; }
            .about-left { width: 100%; text-align: center; }
            .about-left h2 { font-size: 2.5rem; }
            .feature-grid-about { grid-template-columns: repeat(2, 1fr); }
            .about-right { width: 100%; min-height: 350px; }
        }
        @media (max-width: 768px) {
            .about-left h2 { font-size: 2rem; }
            .feature-grid-about { grid-template-columns: 1fr; }
            .about-right { min-height: 280px; }
        }
        @media (max-width: 480px) {
            .about-left h4 { font-size: 1.2rem; }
            .about-left h2 { font-size: 1.8rem; }
        }

        /* ===== FOOTER ===== */
        .footer-premium { background: #0f1a24; color: white; padding: 80px 0 30px; position: relative; border-top: 4px solid var(--primary); }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 50px; margin-bottom: 60px; }
        .footer-col h4 { color: white; font-size: 1.3rem; margin-bottom: 25px; position: relative; }
        .footer-col h4::after { content: ''; position: absolute; bottom: -10px; left: 0; width: 50px; height: 4px; background: var(--gradient-primary); border-radius: var(--border-radius-xxl); }
        .footer-col p { color: #b8d0e0; line-height: 1.8; margin-bottom: 20px; }
        .footer-col a { color: #b8d0e0; text-decoration: none; display: block; margin-bottom: 14px; transition: 0.3s; }
        .footer-col a:hover { color: var(--accent); transform: translateX(8px); }
        .social-links { display: flex; gap: 15px; margin-top: 25px; }
        .social-links a { background: rgba(255,255,255,0.05); width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; transition: 0.3s; border: 2px solid transparent; }
        .social-links a:hover { background: var(--gradient-primary); transform: translateY(-5px) scale(1.1); border-color: var(--accent); }
        .copyright { text-align: center; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 30px; color: #a0b8cc; }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1200px) {
            .category-grid-five { grid-template-columns: repeat(3, 1fr); }
            .cert-showcase-grid { grid-template-columns: repeat(2, 1fr); }
            .testimonial-grid { grid-template-columns: repeat(3, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 992px) {
            .nav-links { display: none; }
            .mobile-menu-btn { display: block; }
            .category-grid-five { grid-template-columns: repeat(2, 1fr); }
            .cert-showcase-grid { grid-template-columns: repeat(2, 1fr); }
            .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
            .cert-wrapper { flex-direction: column; }
            .cert-left { position: static; width: 100%; }
            .cert-right { width: 100%; }
        }
        @media (max-width: 768px) {
            .category-grid-five { grid-template-columns: 1fr; }
            .cert-showcase-grid { grid-template-columns: 1fr; }
            .cert-grid { grid-template-columns: 1fr; }
            .testimonial-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .hero-content h1 { font-size: 2.3rem; }
            .hero-image { min-height: 300px; }
        }