* {
    box-sizing: border-box;
}

@font-face {
    font-family: "PKOBankSans";
    src: url("../fonts/PKOFont2024-Regular.woff2") format("woff2"),
         url("../fonts/PKOFont2024-Regular.woff") format("woff");
    font-style: normal;
    font-weight: 400;
    font-display: swap;
}

@font-face {
    font-family: "PKOBankSans";
    src: url("../fonts/PKOFont2024-Medium.woff2") format("woff2"),
         url("../fonts/PKOFont2024-Medium.woff") format("woff");
    font-style: normal;
    font-weight: 500;
    font-display: swap;
}

@font-face {
    font-family: "PKOBankSans";
    src: url("../fonts/PKOFont2024-SemiBold.woff2") format("woff2"),
         url("../fonts/PKOFont2024-SemiBold.woff") format("woff");
    font-style: normal;
    font-weight: 600;
    font-display: swap;
}

@font-face {
    font-family: "PKOBankSans";
    src: url("../fonts/PKOFont2024-Bold.woff2") format("woff2"),
         url("../fonts/PKOFont2024-Bold.woff") format("woff");
    font-style: normal;
    font-weight: 700;
    font-display: swap;
}

:root {
    --brand-blue: #003594;
    --brand-blue-hover: #002a73;
    --brand-light: #cbe3ff;
    --brand-mid: #b8d8ff;
    --text-primary: #101828;
}

body {
    margin: 0;
    font-family: "PKOBankSans", "Segoe UI", Arial, sans-serif;
    background: var(--brand-light);
    color: var(--text-primary);
}

.page {
    width: 100%;
    min-height: 100vh;
    background: var(--brand-light);
    display: flex;
    flex-direction: column;
}

.banner {
    width: 100%;
    overflow: hidden;
    background: transparent;
}

.banner img {
    width: 100%;
    display: block;
    height: auto;
}

.content-zone {
    background: var(--brand-light);
    padding: 26px 16px;
    flex: 1;
    display: flex;
    align-items: center;
}

.app {
    display: flex;
    justify-content: center;
    width: 100%;
}

.card {
    width: 100%;
    max-width: 560px;
    background: rgba(255, 255, 255, 0.48);
    border: 1px solid rgba(255, 255, 255, 0.55);
    border-radius: 18px;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 14px 34px rgba(0, 35, 92, 0.16);
    padding: 24px 22px;
}

.view {
    display: none;
}

.view.active {
    display: block;
}

h1, h2 {
    margin-top: 0;
    letter-spacing: 0.01em;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

input {
    width: 100%;
    padding: 12px;
    border: 1px solid rgba(32, 54, 87, 0.18);
    background: rgba(255, 255, 255, 0.72);
    border-radius: 10px;
    margin-bottom: 12px;
    font-size: 16px;
}

.btn {
    border: none;
    border-radius: 10px;
    padding: 12px 16px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
}

.primary {
    background: var(--brand-blue);
    color: #fff;
    box-shadow: 0 6px 14px rgba(0, 53, 148, 0.24);
}

.primary:hover {
    background: var(--brand-blue-hover);
}

.question-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    font-weight: 600;
}

.answers {
    display: grid;
    gap: 10px;
}

.answer-btn {
    width: 100%;
    text-align: left;
    border: 1px solid rgba(32, 54, 87, 0.18);
    background: rgba(255, 255, 255, 0.72);
    border-radius: 10px;
    padding: 12px;
    cursor: pointer;
}

.answer-btn:hover {
    background: rgba(255, 255, 255, 0.88);
}

.status {
    min-height: 24px;
    margin-top: 16px;
    color: #065f46;
}

.status.error {
    color: #b91c1c;
}

.muted {
    color: #6b7280;
}

.result-score {
    font-size: 30px;
    font-weight: 700;
    margin: 8px 0 12px;
    color: #001f5c;
}

@media (max-width: 720px) {
    .content-zone {
        padding: 18px 12px;
    }

    .card {
        padding: 18px 16px;
        border-radius: 14px;
    }
}