/* --- DESIGN SYSTEM & REFACTORING --- */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Plus Jakarta Sans', sans-serif;
        }

        :root {
            --brand-primary: #3182CE;
            --brand-dark: #0F172A;
            --brand-light: #F8FAFC;
            --brand-accent: #E0F2FE;
            --brand-gradient: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
            --text-main: #334155;
            --text-muted: #64748B;
            --white: #FFFFFF;
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 30px;
            --shadow-sm: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
            --shadow-md: 0 20px 25px -5px rgb(0 0 0 / 0.05), 0 8px 10px -6px rgb(0 0 0 / 0.05);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        body {
            color: var(--text-main);
            background-color: var(--brand-light);
            line-height: 1.7;
            overflow-x: hidden;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* --- TYPOGRAPHY & BUTTONS --- */
        /* 5. Kurangi jarak bawah judul di tiap section (Sebelumnya 48px) */
        .section-title {
            text-align: center;
            color: var(--brand-dark);
            font-size: 2.25rem;
            font-weight: 800;
            letter-spacing: -0.025em;
            margin-bottom: 32px; 
        }

        .section-title span {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--brand-gradient);
            color: var(--white);
            padding: 14px 32px;
            border-radius: 100px;
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            box-shadow: 0 10px 20px -10px rgba(59, 130, 246, 0.5);
        }

        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 20px 25px -10px rgba(59, 130, 246, 0.6);
        }

        .btn-secondary {
            background: var(--white);
            color: var(--brand-dark);
            border: 2px solid #E2E8F0;
            box-shadow: var(--shadow-sm);
        }

        .btn-secondary:hover {
            background: var(--brand-light);
            border-color: #CBD5E1;
            transform: translateY(-3px);
        }

         /* Styling untuk Tombol Non-Aktif (Disabled) */
        .btn-disabled {
            background: #E2E8F0 !important;       /* Mengubah warna latar jadi abu-abu terang */
            color: #94A3B8 !important;            /* Mengubah warna teks jadi abu-abu pudar */
            border-color: #CBD5E1 !important;      /* Menyesuaikan border untuk tombol secondary */
            pointer-events: none;                 /* SAKTI: Ini yang mematikan fungsi klik */
            cursor: not-allowed;                  /* Mengubah kursor menjadi tanda stop/larangan */
            box-shadow: none !important;          /* Menghilangkan efek bayangan */
            transform: none !important;           /* Menghilangkan efek naik saat di-hover */
        }   

        section {
            padding: 50px 0;
        }

        /* --- MODERN NAVIGATION (GLASSMORPHISM) --- */
        /* Mengurangi padding atas-bawah navbar agar lebih naik dan ramping */
        nav {
            background-color: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            padding: 10px 0; /* Dikurangi dari sebelumnya 18px */
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(241, 245, 249, 0.8);
        }

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

        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: #1E3A8A;
            text-decoration: none;
            letter-spacing: -0.03em;
        }

        .logo span {
            color: var(--brand-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-main);
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
        }

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

        /* --- HERO SECTION --- */
       /* 2. Rapatkan jarak atas-bawah di area Hero (Sebelumnya 120px) */
        .hero {
        background: radial-gradient(100% 100% at 50% 0%, rgba(224, 242, 254, 0.6) 0%, rgba(248, 250, 252, 0) 100%);
        text-align: center;
        padding: 40px 0 40px 0; /* Padding atas dikurangi dari 60px menjadi 40px */
        }

        .announcement {
            display: inline-flex;
            align-items: center;
            background-color: var(--brand-accent);
            color: #0369A1;
            padding: 8px 20px;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 28px;
            border: 1px solid rgba(186, 230, 253, 0.5);

            animation: kedipLembut 2s infinite ease-in-out;
            }

            /* 2. Tambahkan pasukan keyframes ini di paling bawah file style.css Anda */
            @keyframes kedipLembut {
                0%, 100% {
                    opacity: 1;
                    transform: scale(1);
                }
                50% {
                    opacity: 0.4;          /* Membuatnya agak transparan saat berkedip */
                    transform: scale(0.97);  /* Efek mengecil super tipis agar dinamis */
                }
            }

        /* 3. Kurangi jarak bawah judul utama di Hero */
        .hero h1 {
            font-size: 3.5rem;
            font-weight: 800;
            color: var(--brand-dark);
            line-height: 1.2;
            letter-spacing: -0.04em;
            max-width: 900px;
            margin: 0 auto 16px auto; /* Dikurangi dari 24px */
        }

        .hero h1 span {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* 4. Kurangi jarak bawah kalimat sub-judul sebelum tombol */
        .tagline {
            font-size: 1.25rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 24px auto; /* Dikurangi dari 40px */
            font-weight: 500;
        }

        /* --- FEATURE CARDS --- */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 32px;
        }

        /* 7. Kurangi padding di dalam kartu fitur agar lebih compact */
        .feature-card {
            background-color: var(--white);
            padding: 36px 28px; /* Dikurangi dari 48px 36px */
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid #F1F5F9;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: #E2E8F0;
        }

        /* 6. Rapatkan pembungkus ikon pada kartu agar tidak terlalu makan tempat */
        .feature-icon-wrapper {
            width: 56px;
            height: 56px;
            background-color: var(--brand-light);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px; /* Dikurangi dari 24px */
            transition: var(--transition);
        }
        
        .feature-card:hover .feature-icon-wrapper {
            background-color: var(--brand-accent);
        }

        .feature-card h3 {
            color: var(--brand-dark);
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .feature-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* --- PROGRAMS --- */
        .programs {
            background-color: #F1F5F9;
        }

        .programs-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
            gap: 32px;
        }

        .program-box {
            background-color: var(--white);
            padding: 48px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid #E2E8F0;
        }

        .program-header {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--brand-dark);
            margin-bottom: 28px;
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .subject-list {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .subject-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1rem;
            color: var(--text-main);
            font-weight: 500;
        }

        .subject-list li::before {
            content: "";
            display: inline-block;
            width: 8px;
            height: 8px;
            background-color: var(--brand-primary);
            border-radius: 50%;
        }

        /* --- WHY US (BENEFITS) --- */
        .why-us-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 24px;
            margin-bottom: 56px;
        }

        .benefit-card {
            background-color: var(--white);
            padding: 32px;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            border-top: 4px solid var(--brand-primary);
        }

        .benefit-card h4 {
            color: var(--brand-dark);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .benefit-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .quote-box {
            background: var(--white);
            padding: 40px;
            border-radius: var(--radius-md);
            text-align: center;
            max-width: 850px;
            margin: 56px auto 0 auto;
            box-shadow: var(--shadow-sm);
            border: 1px solid #E2E8F0;
            position: relative;
        }

        .quote-box p {
            font-size: 1.15rem;
            color: var(--brand-dark);
            font-weight: 500;
            font-style: italic;
        }

        /* --- EVENTS (CARDS PREMIUM) --- */
        .events-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
            gap: 32px;
        }

        .event-card {
            background-color: var(--white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid #E2E8F0;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }

        .event-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }

        .event-badge {
            background-color: #EF4444;
            color: var(--white);
            padding: 6px 14px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            align-self: flex-start;
            margin: 32px 32px 0 32px;
            border-radius: 6px;
        }

        .event-content {
            padding: 32px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .event-title {
            color: var(--brand-dark);
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .event-meta {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            font-weight: 600;
        }

        .event-content p {
            color: var(--text-main);
            font-size: 0.95rem;
            margin-bottom: 24px;
        }

        /* --- PHILOSOPHY (MIND GLOW) --- */
        .philosophy {
            background-color: var(--brand-dark);
            color: var(--white);
            position: relative;
        }

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

        .mind-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
        }

        .mind-card {
            background: rgba(255, 255, 255, 0.03);
            padding: 40px 32px;
            border-radius: var(--radius-md);
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }

        .mind-card:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-4px);
        }

        .mind-letter {
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--brand-primary);
            margin-bottom: 12px;
            text-shadow: 0 0 20px rgba(49, 130, 206, 0.3);
        }

        .mind-title {
            font-weight: 700;
            margin-bottom: 12px;
            font-size: 1.25rem;
            letter-spacing: -0.01em;
        }

        .mind-card p {
            color: #94A3B8;
            font-size: 0.9rem;
        }

        /* --- FOOTER --- */
        footer {
            background-color: #020617;
            color: #64748B;
            text-align: center;
            padding: 56px 0;
            font-size: 0.9rem;
            border-top: 1px solid #0F172A;
        }

        .footer-info {
            color: #94A3B8;
            margin-bottom: 24px;
            font-size: 0.95rem;
        }

        /* --- RESPONSIVE MEDIA QUERIES --- */
        @media (max-width: 992px) {
            .hero h1 { font-size: 2.75rem; }
            .programs-grid { grid-template-columns: 1fr; }
        }

        @media (max-width: 768px) {
            .nav-links { display: none; }
            section { padding: 70px 0; }
            .hero { padding: 80px 0 60px 0; }
            .hero h1 { font-size: 2.25rem; }
        }

        @media (max-width: 576px) {
            .subject-list { grid-template-columns: 1fr; }
            .program-box { padding: 32px; }
        }

        /* ==========================================================================
        STYLING TABEL SESI BELAJAR MODERN
        ========================================================================== */
        .table-responsive {
            width: 100%;
            overflow-x: auto; /* Supaya kalau dibuka di HP bisa digeser mulus kesamping */
            background: var(--white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid #E2E8F0;
            margin-top: 24px;
        }

        .schedule-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            font-size: 0.95rem;
        }

        .schedule-table th {
            background-color: var(--brand-dark);
            color: var(--white);
            padding: 16px 24px;
            font-weight: 600;
        }

        .schedule-table td {
            padding: 16px 24px;
            border-bottom: 1px solid #F1F5F9;
            color: var(--text-main);
            font-weight: 500;
        }

        /* Efek hover baris tabel */
        .schedule-table tr:hover td {
            background-color: #F8FAFC;
        }

        /* Desain Badge Status */
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .badge-tersedia {
            background-color: #DCFCE7;
            color: #15803D;
        }

        .badge-penuh {
            background-color: #FEE2E2;
            color: #B91C1C;
        }

        /* Tampilan Loading */
        .loading-text {
            text-align: center;
            padding: 40px;
            color: var(--text-muted);
            font-weight: 600;
            font-style: italic;
        }

        /* 1. Membatasi lebar maksimal tabel agar lebih padat */
table, .table {
   width: 100% !important; 
    max-width: none !important; /* Hapus batasan lebar dari tabel */
    margin: 0 !important;       /* Hapus margin tengah agar rata kiri */}

/* 2. Mengatur porsi lebar masing-masing kolom */
th:nth-child(1), td:nth-child(1) { width: 25% !important; }
th:nth-child(2), td:nth-child(2) { width: 50% !important; }
th:nth-child(3), td:nth-child(3) { width: 25% !important; }

/* 3. MENGATASI TEKS KURUS & MENGURANGI WHITE SPACE */
td {
    font-size: 16px !important;
    font-weight: 500 !important;
    padding: 12px 16px !important;
    vertical-align: middle !important;
    color: #334155 !important;
}

/* 4. Menebalkan Header (Judul Kolom) Tabel */
th {
    font-size: 17px !important;
    font-weight: 700 !important;
    padding: 14px 16px !important;
}

/* 5. EFEK ZEBRA: Mewarnai baris genap agar white space tersamarkan */
tbody tr:nth-child(even) {
    background-color: #F8FAFC !important;
}