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

        body {
            font-family: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            font-weight: 600;
            color: #333;
            background-color: #FAF1E7;
        }

                .header {
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            padding: 15px 7px;
        }

        .nav-container {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
        }

        .nav-container nav {
            background-color: #FAF1E7;
            border-radius: 12px;
            padding:0 12px;
        }
        .nav-menu {
            display: flex;
            list-style: none;
            gap: 0;
        }

        .nav-item {
            position: relative;
        }
        .nav-menu a, .mobile-nav-link {
            text-decoration: none;
            color: #003746;
            font-size: 13px;
            padding: 10px 23px;
            display: block;
            transition: all 0.3s ease;
            border-radius: 8px;
        }

        .nav-menu a:hover, .mobile-nav-link:hover {
            color: #0070A7;
        }

                .dropdown {
            position: absolute;
            top: 100%;
            left: 0;
            background: white;
            min-width: 240px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            border-radius: 12px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-15px);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            z-index: 1001;
            border: 1px solid rgba(0, 0, 0, 0.08);
        }

        .nav-item:hover .dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .dropdown a {
            padding: 14px 20px;
            font-size: 13px;
            border-bottom: 1px solid #f1f5f9;
            font-weight: 200;
        }

        .dropdown a:first-child {
            border-radius: 12px 12px 0 0;
        }

        .dropdown a:last-child {
            border-bottom: none;
            border-radius: 0 0 12px 12px;
        }

                .cta-button, .mobile-cta-button {
            background: linear-gradient(135deg, #d63384 0%, #4A90E2  100%);
            color: white;
            padding: 7px 20px;
            border: none;
            border-radius: 30px;
            font-weight: 600;
            font-size: 14px;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s ease;
            box-shadow: 0 4px 16px rgba(214, 51, 132, 0.4);
        }

        .cta-button img {
            width:20px;
        }
        .cta-button:hover, .mobile-cta-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(214, 51, 132, 0.5);
        }


        .mobile-cta-button {
            padding: 12px 20px;
            font-size: 10px;
        }

        .mobile-cta-button img {
            width:15px;
            margin-left:12px;
        }

/* .hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 70%;     height: 100%;
    background-color: rgba(0, 0, 0, 0.25);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 30%;     height: 100%;
    background: linear-gradient(to right, #3abdf5, #26c6da);
    pointer-events: none;
} */

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

        .hero-title-container {
            text-align: center;
            padding:30px;
            border-bottom: 3px solid #EAFFC8;
        }

        .hero-title {
            color: white;
            font-size: 2.4em;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.2;
        }

        .hero-title span{
            background-color: #0070A7;
        }

        .hero-subtitle {
            color: #EAFFC8;
            font-size: 1.7em;
            font-weight: 400;
        }

                .main-content {
            max-width: 1512px;
            margin: 80px auto;
            padding: 0 24px;
        }

        .section-title {
            font-size: 2.5em;
            color: #1e3a5f;
            margin-bottom: 50px;
            border-bottom:3px solid #0070A7;
            position: relative;
            padding-bottom: 20px;
            font-weight: 700;
        }



                .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
            gap: 32px;
            margin-top: 50px;
        }

        .card {
            background: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
            transition: all 0.4s ease;
            border: 1px solid rgba(0, 0, 0, 0.05);
        }

        .card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.18);
        }

        .card-header, .card-footer {
            padding: 24px;
        }

        .card-header {
            border-bottom: 1px solid #f1f5f9;
        }

        .card-footer {
            text-align: center;
        }

        .author {
            display: flex;
            align-items: center;
            margin-bottom: 16px;
        }

        .author-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 700;
            margin-right: 14px;
            font-size: 15px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .author-avatar.pink {
            background: linear-gradient(135deg, #d63384 0%, #e91e63 100%);
            box-shadow: 0 4px 12px rgba(214, 51, 132, 0.3);
        }

        .author-avatar.teal {
            background: linear-gradient(135deg, #4dd0e1 0%, #26c6da 100%);
            box-shadow: 0 4px 12px rgba(77, 208, 225, 0.3);
        }

        .author-info h3 {
            font-size: 16px;
            color: #1e293b;
            margin-bottom: 4px;
            font-weight: 600;
        }

        .author-info p {
            font-size: 13px;
            color: #64748b;
            font-weight: 400;
        }

        .card-title {
            font-size: 17px;
            font-weight: 600;
            color: #1e3a5f;
            line-height: 1.4;
            margin-bottom: 10px;
        }

        .card-subtitle {
            font-size: 14px;
            color: #64748b;
            font-weight: 400;
        }

        .card-image {
            width: 100%;
            height: 220px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .card-image.tart {
            background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
        }

        .card-image.desk {
            background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
        }

        .play-button {
            width: 70px;
            height: 70px;
            background: rgba(255, 255, 255, 0.95);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
        }

        .play-button:hover {
            transform: scale(1.15);
            background: white;
            box-shadow: 0 12px 35px rgba(0, 0, 0, 0.3);
        }


        .card-button {
            color: white;
            padding: 14px 28px;
            border: none;
            border-radius: 30px;
            font-weight: 600;
            font-size: 14px;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: all 0.3s ease;
            letter-spacing: 0.3px;
        }

        .card-button.download {
            background: linear-gradient(135deg, #4a90e2 0%, #7bb3f0 100%);
            box-shadow: 0 6px 20px rgba(74, 144, 226, 0.4);
        }

        .card-button.tutorial {
            background: linear-gradient(135deg, #5cb3cc 0%, #4dd0e1 100%);
            box-shadow: 0 6px 20px rgba(77, 208, 225, 0.4);
        }

        .card-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
        }



                .mobile-menu-toggle {
            display: none;
            background: none;
            border:none;
            border-radius: 8px;
            padding: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .mobile-menu-toggle:hover {
            border-color: #1e3a5f;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 25px;
            height: 2px;
            background: #64748b;
            margin: 6px 0;
            transition: all 0.3s ease;
        }

        .mobile-menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .mobile-menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -6px);
        }

        .mobile-nav-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: #FAF1E7;
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            overflow-y: auto;
        }

        .mobile-nav-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .mobile-nav-content {
            padding: 80px 24px 40px;
            width: 90%;
            margin: 0 auto;
        }

        .mobile-nav-item {
            margin-bottom: 14px;
            width:100%;
            border-bottom: 2px solid #0070A7;

        }

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

        .mobile-nav-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: #1e3a5f;
            font-size: 20px;
            font-weight: 600;
        }

        .mobile-nav-arrow {
            font-size: 14px;
            transition: transform 0.3s ease;
            color: #64748b;
        }

        .mobile-nav-item.active .mobile-nav-arrow {
            transform: rotate(90deg);
        }

        .mobile-submenu {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            margin-left:32px;
        }

        .mobile-nav-item.active .mobile-submenu {
            max-height: 400px;
            padding: 16px;
        }

        .mobile-submenu-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            color: #64748b;
            font-size: 18px;
            text-decoration: none;
            border-radius: 6px;
            transition: all 0.3s ease;
        }

        .mobile-submenu-item:hover {
            color: #1e3a5f;
        }

        .mobile-cta-container {
            margin-left:40px;
        }

                @media (max-width: 1152px) {
            .mobile-menu-toggle { display: block; }
            .nav-menu, .cta-button { display: none; }
            .hero { height: 60vh; margin-top: 72px; }
            .hero-title-container { padding: 24px 32px; margin: 0 20px; }
            .hero-title { font-size: 1.9em; }
            .hero-subtitle { font-size: 1.4em; }
            .cards-grid { grid-template-columns: 1fr; gap: 24px; }
            .section-title { font-size: 2em; }
            .main-content { margin: 60px auto; }
            .header {
                background: none;backdrop-filter:none;box-shadow: none;padding:none;
            }
            .logo { display:none;}
        }

        @media (max-width: 480px) {
            .cards-grid { gap: 20px; }
            .card-header, .card-footer { padding: 20px; }
            .hero-title-container { padding: 20px 24px; }
        }