/* Explain: Styles for reusable UI components like buttons, cards, forms, and pricing plans. */
/*
 * Explain: Reusable UI components — buttons, cards, pricing, cart, forms, reviews, FAQ, toasts.
 */

/* ---------- Buttons ---------- */
.btn-accent,
.btn-ink,
.btn-line,
.btn-outline-light {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    height: auto;
    min-height: 3rem;
    padding: 0.8rem 1.55rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 0.97rem;
    font-weight: 700;
    line-height: 1.4;
    text-align: center;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn-accent {
    background: var(--accent-color);
    color: var(--accent-ink);
    box-shadow: 0 10px 24px rgba(255, 212, 0, 0.32);
}

.btn-accent:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

.btn-ink {
    background: var(--primary-color);
    color: #fff;
}

.btn-ink:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

.btn-line {
    background: #fff;
    border-color: var(--border-color);
    color: var(--primary-color);
}

.btn-line:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.btn-outline-light {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.55);
    color: #fff;
    backdrop-filter: blur(4px);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.22);
}

.btn-accent:disabled,
.btn-ink:disabled,
.btn-line:disabled,
.btn-outline-light:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-sm {
    min-height: 2.5rem;
    padding: 0.45rem 1.05rem;
    font-size: 0.85rem;
}

.btn-block {
    width: 100%;
}

/* ---------- Benefit cards ---------- */
.benefit-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .benefit-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .benefit-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 1.25rem;
    }
}

.benefit-card {
    padding: 1.6rem 1.35rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: #fff;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
}

.benefit-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.9rem;
    height: 2.9rem;
    margin-bottom: 1rem;
    border-radius: 0.9rem;
    background: rgba(255, 212, 0, 0.22);
    color: #8a6d00;
    font-size: 1.1rem;
}

.benefit-card h3 {
    font-size: 1.05rem;
}

.benefit-card p {
    margin-top: 0.55rem;
    font-size: 0.92rem;
    color: var(--text-muted);
}

/* ---------- Course cards ---------- */
.course-grid {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .course-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1120px) {
    .course-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

.course-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: #fff;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.course-card:hover {
    transform: translateY(-5px);
    border-color: #cbd8ec;
    box-shadow: var(--shadow-lift);
}

.course-thumb {
    overflow: hidden;
    aspect-ratio: 16 / 10;
    background: var(--surface-strong);
}

.course-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.course-card:hover .course-thumb img {
    transform: scale(1.05);
}

.course-thumb-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: 1.6rem;
    color: #a8b6c9;
}

.course-body {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.15rem 1.2rem 1.3rem;
}

.course-level {
    align-self: flex-start;
    height: auto;
    padding: 0.22rem 0.6rem;
    border-radius: 999px;
    background: rgba(255, 212, 0, 0.22);
    color: #7d6300;
    font-size: 0.72rem;
    font-weight: 700;
}

.course-body h3 {
    font-size: 1.05rem;
}

.course-desc {
    flex: 1;
    font-size: 0.88rem;
    color: var(--text-muted);
}

.course-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-top: 0.6rem;
    padding-top: 0.85rem;
    border-top: 1px dashed var(--border-color);
}

.course-price {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.3rem;
    font-size: 1.02rem;
    font-weight: 800;
    color: var(--primary-color);
}

.course-hours {
    padding: 0.1rem 0.4rem;
    border-radius: 0.4rem;
    background: var(--surface-color);
    font-size: 0.74rem;
    font-weight: 700;
    color: var(--text-muted);
}

.course-link {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary-color);
    border-bottom: 2px solid var(--accent-color);
}

/* ---------- Course rows (courses page) ---------- */
.course-rows {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.course-row {
    display: grid;
    grid-template-columns: 1fr;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: #fff;
    box-shadow: var(--shadow-card);
    transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.course-row:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lift);
}

@media (min-width: 860px) {
    .course-row {
        grid-template-columns: 20rem 1fr;
    }

    .course-row .course-thumb {
        height: 100%;
        min-height: 15rem;
        aspect-ratio: auto;
    }
}

.course-row-body {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    padding: 1.4rem 1.5rem;
}

.course-row-body h2 {
    font-size: clamp(1.15rem, 2.4vw, 1.35rem);
}

.course-facts {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.course-facts i {
    margin-right: 0.3rem;
    color: var(--accent-hover);
}

.course-row-foot {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px dashed var(--border-color);
}

.course-row-price {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary-color);
}

/* ---------- Process steps ---------- */
.step-list {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .step-list {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 1.25rem;
    }
}

.step-card {
    padding: 1.6rem 1.3rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: #fff;
}

.step-num {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    line-height: 1;
    color: var(--accent-hover);
}

.step-card h3 {
    margin-top: 1rem;
    font-size: 1.02rem;
}

.step-card p {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ---------- Reviews ---------- */
.review-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .review-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .review-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 1.25rem;
    }
}

.review-card {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    padding: 1.4rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: #fff;
}

.review-stars {
    display: flex;
    gap: 0.15rem;
    font-size: 0.85rem;
    color: #f0a51f;
}

.review-text {
    flex: 1;
    font-size: 0.92rem;
    color: #33415c;
}

.review-meta {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
}

.review-score {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.75rem;
}

.review-score strong {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--primary-color);
}

/* ---------- FAQ ---------- */
.faq-layout {
    display: grid;
    gap: 2.5rem;
    grid-template-columns: 1fr;
}

@media (min-width: 1024px) {
    .faq-layout {
        grid-template-columns: 1fr 1.25fr;
        align-items: start;
    }
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.faq-item {
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: #fff;
}

.faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.1rem 1.25rem;
    font-size: 0.98rem;
    font-weight: 700;
    cursor: pointer;
    list-style: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item[open] summary {
    color: var(--primary-color);
}

.faq-chevron {
    flex-shrink: 0;
    font-size: 0.8rem;
    color: var(--text-muted);
    transition: transform 0.25s ease;
}

.faq-item[open] .faq-chevron {
    transform: rotate(180deg);
    color: var(--accent-hover);
}

.faq-answer {
    padding: 0 1.25rem 1.2rem;
    font-size: 0.92rem;
    color: var(--text-muted);
}

/* ---------- Contact band ---------- */
.contact-band {
    background: radial-gradient(circle at 85% 10%, #1a3563 0%, #081426 65%);
    color: #fff;
}

.contact-grid {
    display: grid;
    gap: 2.5rem;
    grid-template-columns: 1fr;
}

@media (min-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr 1.05fr;
        align-items: start;
    }
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    margin-top: 1.75rem;
    font-size: 0.93rem;
    color: rgba(255, 255, 255, 0.82);
}

.contact-info i {
    width: 1.2rem;
    margin-right: 0.5rem;
    color: var(--accent-color);
}

.contact-info a:hover {
    color: var(--accent-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.06);
}

/* ---------- Form fields ---------- */
.field-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .field-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    min-width: 0;
    margin: 0;
    padding: 0;
    border: 0;
}

.field-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.82);
}

.field-label--dark {
    color: var(--text-color);
}

.req {
    color: var(--accent-color);
}

.field-input {
    width: 100%;
    height: auto;
    min-height: 3rem;
    padding: 0.7rem 0.95rem;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 0.75rem;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.field-input::placeholder {
    color: rgba(255, 255, 255, 0.45);
}

.field-input:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.14);
    box-shadow: 0 0 0 3px rgba(255, 212, 0, 0.24);
}

.field-input--light {
    border-color: var(--border-color);
    background: #fff;
    color: var(--text-color);
}

.field-input--light::placeholder {
    color: #9aa8bb;
}

.field-input--light:focus {
    border-color: var(--primary-color);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(11, 27, 51, 0.1);
}

.form-status {
    padding: 0.75rem 0.95rem;
    border-radius: 0.75rem;
    font-size: 0.88rem;
    font-weight: 600;
}

.form-status--ok {
    background: rgba(18, 128, 92, 0.16);
    color: #57e0b1;
}

.form-status--error {
    background: rgba(179, 38, 30, 0.18);
    color: #ffb4ad;
}

/* ---------- Booking / cart ---------- */
.booking-wrap {
    max-width: 46rem;
    margin-inline: auto;
}

.step-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 999px;
    background: var(--primary-color);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 800;
}

.booking-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.75rem;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: #fff;
    box-shadow: var(--shadow-card);
}

.booking-note {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.booking-note i {
    margin-top: 0.2rem;
    color: var(--accent-hover);
}

.booking-done {
    margin-top: 1.5rem;
    padding: 2.25rem 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: #fff;
    text-align: center;
    box-shadow: var(--shadow-card);
}

.done-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3.25rem;
    height: 3.25rem;
    border-radius: 999px;
    background: rgba(18, 128, 92, 0.14);
    color: var(--success-color);
    font-size: 1.3rem;
}

.booking-orderid {
    margin-top: 1.1rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.booking-orderid strong {
    color: var(--primary-color);
}

.cart-list {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    margin-top: 1.75rem;
}

.cart-empty {
    display: none;
    margin-top: 1.75rem;
    padding: 3rem 1.5rem;
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-md);
    background: #fff;
    text-align: center;
    color: var(--text-muted);
}

.cart-empty.is-visible {
    display: block;
}

.cart-empty i {
    font-size: 1.8rem;
    color: #b6c2d4;
}

.cart-empty strong {
    display: block;
    margin-top: 0.75rem;
    color: var(--text-color);
}

.cart-row {
    display: grid;
    grid-template-columns: 5rem 1fr;
    gap: 1rem;
    align-items: center;
    padding: 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: #fff;
}

.cart-thumb {
    width: 5rem;
    height: 4rem;
    border-radius: 0.65rem;
    background: var(--surface-strong);
    object-fit: cover;
}

.cart-name {
    font-size: 0.98rem;
    font-weight: 700;
}

.cart-price {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.cart-controls {
    display: flex;
    grid-column: 1 / -1;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.cart-qty {
    display: inline-flex;
    align-items: center;
    gap: 0.15rem;
    padding: 0.15rem;
    border: 1px solid var(--border-color);
    border-radius: 999px;
}

.qty-btn {
    width: 2rem;
    height: 2rem;
    border: 0;
    border-radius: 999px;
    background: var(--surface-color);
    color: var(--primary-color);
    font-size: 0.7rem;
    cursor: pointer;
    transition: background 0.2s ease;
}

.qty-btn:hover {
    background: var(--accent-color);
}

.qty-count {
    min-width: 2rem;
    text-align: center;
    font-size: 0.9rem;
    font-weight: 700;
}

.cart-line-total {
    font-weight: 800;
    color: var(--primary-color);
}

.cart-remove {
    border: 0;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: underline;
    cursor: pointer;
}

.cart-remove:hover {
    color: var(--danger-color);
}

.cart-summary {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-top: 1.25rem;
    padding: 1.15rem 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--surface-color);
}

.cart-summary-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
}

.cart-summary-total {
    padding-top: 0.6rem;
    border-top: 1px dashed var(--border-color);
    font-size: 1.12rem;
    font-weight: 800;
    color: var(--primary-color);
}

/* ---------- Toasts ---------- */
.toast-host {
    position: fixed;
    left: 50%;
    bottom: 1.5rem;
    z-index: 120;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: min(24rem, calc(100vw - 2rem));
    transform: translateX(-50%);
    pointer-events: none;
}

.toast-item {
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    background: var(--primary-color);
    color: #fff;
    font-size: 0.88rem;
    font-weight: 600;
    box-shadow: var(--shadow-lift);
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.toast-item.is-out {
    opacity: 0;
    transform: translateY(10px);
}

.toast-error {
    background: #a5211a;
}

/* ---------- Pricing plans (자차 · 연수차 · 자차+연수차) ---------- */
.plan-grid {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: 1fr;
}

@media (min-width: 760px) {
    .plan-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        align-items: stretch;
    }
}

.plan-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    padding: 1.75rem 1.4rem 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: #fff;
    box-shadow: var(--shadow-card);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.plan-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lift);
}

.plan-card--popular {
    border-color: var(--accent-color);
    box-shadow: 0 16px 38px rgba(255, 212, 0, 0.24);
}

.plan-thumb {
    margin: -1.75rem -1.4rem 0;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    background: var(--surface-strong);
}

.plan-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.plan-card:hover .plan-thumb img {
    transform: scale(1.05);
}

.plan-badge {
    position: absolute;
    top: -0.85rem;
    left: 50%;
    padding: 0.22rem 0.9rem;
    border-radius: 999px;
    background: var(--accent-color);
    color: var(--accent-ink);
    font-size: 0.74rem;
    font-weight: 800;
    transform: translateX(-50%);
}

.plan-title {
    font-size: 1.15rem;
}

.plan-sub {
    font-size: 0.86rem;
    color: var(--text-muted);
}

.plan-prices {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-top: 0.35rem;
}

.plan-amount {
    font-family: var(--font-heading);
    font-size: 1.9rem;
    font-weight: 800;
    line-height: 1.15;
    color: var(--primary-color);
}

.plan-vehicle {
    display: flex;
    flex: 1 1 7rem;
    flex-direction: column;
    gap: 0.1rem;
    min-height: 3.1rem;
    padding: 0.45rem 0.7rem;
    border: 1px solid var(--border-color);
    border-radius: 0.85rem;
    background: var(--surface-color);
    color: var(--text-muted);
    text-align: left;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.plan-vehicle-type {
    font-size: 0.76rem;
    font-weight: 700;
}

.plan-vehicle-price {
    font-family: var(--font-heading);
    font-size: 1.02rem;
    font-weight: 800;
    color: var(--primary-color);
}

.plan-vehicle:hover {
    border-color: var(--primary-color);
}

.plan-vehicle.is-active {
    border-color: var(--accent-color);
    background: rgba(255, 212, 0, 0.18);
    box-shadow: 0 0 0 2px rgba(255, 212, 0, 0.3);
}

.plan-price-lines {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.plan-price-lines li {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.5rem;
    padding-bottom: 0.45rem;
    border-bottom: 1px dashed var(--border-color);
    font-size: 0.86rem;
}

.plan-price-lines li:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.plan-line-type {
    font-weight: 600;
    color: var(--text-muted);
}

.plan-line-price {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--primary-color);
}

.plan-unit {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.plan-features {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.88rem;
    color: #33415c;
}

.plan-features i {
    margin-right: 0.45rem;
    font-size: 0.78rem;
    color: var(--success-color);
}

.plan-foot {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    margin-top: auto;
    padding-top: 0.4rem;
}

.plan-consult {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-muted);
    text-align: center;
}

.plan-consult:hover {
    color: var(--primary-color);
}

.plan-note {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-top: 1.5rem;
    font-size: 0.84rem;
    color: var(--text-muted);
}

.plan-note i {
    margin-top: 0.25rem;
    color: var(--accent-hover);
}