/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0c1445, #1a237e, #0d47a1);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ===== OVERLAY ===== */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ===== CARD ===== */
.card {
    background: #ffffff;
    padding: 48px 40px 40px;
    border-radius: 28px;
    max-width: 460px;
    width: 90%;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
    text-align: center;
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== TYPOGRAPHY ===== */
.title {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 6px;
    letter-spacing: -0.5px;
}

.subtitle {
    font-size: 16px;
    color: #6b7280;
    margin-bottom: 32px;
    line-height: 1.5;
}

/* ===== BUTTONS ===== */
.btn {
    display: block;
    width: 100%;
    padding: 16px 20px;
    margin-bottom: 14px;
    border: none;
    border-radius: 16px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
    letter-spacing: 0.3px;
    text-align: center;
    color: #ffffff;
}

.btn:last-child {
    margin-bottom: 0;
}

/* --- Tombol "Ingin Belanja" — Biru Muda --- */
.btn-beli {
    background: linear-gradient(145deg, #1e88e5, #1565c0);
    box-shadow: 0 6px 0 #0d47a1, 0 8px 24px rgba(30, 136, 229, 0.4);
}

.btn-beli:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 0 #0d47a1, 0 14px 32px rgba(30, 136, 229, 0.5);
}

.btn-beli:active {
    transform: translateY(4px);
    box-shadow: 0 2px 0 #0d47a1;
}

/* --- Tombol "Cari Informasi" — Biru Tua --- */
.btn-info {
    background: linear-gradient(145deg, #0d47a1, #0a2a6e);
    box-shadow: 0 6px 0 #061a44, 0 8px 24px rgba(13, 71, 161, 0.4);
}

.btn-info:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 0 #061a44, 0 14px 32px rgba(13, 71, 161, 0.5);
}

.btn-info:active {
    transform: translateY(4px);
    box-shadow: 0 2px 0 #061a44;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 480px) {
    .card {
        padding: 32px 20px 28px;
    }

    .title {
        font-size: 22px;
    }

    .btn {
        font-size: 16px;
        padding: 14px 16px;
    }
}