:root {
    /* Map project tokens to KRDS values */
    --bg: var(--krds-color-gray-0);
    --surface: var(--krds-color-gray-0);
    --surface-muted: var(--krds-color-gray-5);

    --text-strong: var(--krds-color-gray-90);
    --text-default: var(--krds-color-gray-70);
    --text-muted: var(--krds-color-gray-50);

    --line: var(--krds-color-gray-30);
    --line-soft: var(--krds-color-gray-20);

    --brand: var(--krds-color-primary-50);
    --brand-strong: var(--krds-color-primary-60);

    --radius-sm: var(--krds-radius-medium1);
    --radius-md: var(--krds-radius-medium3);
    --radius-lg: var(--krds-radius-medium4);

    --space-1: var(--krds-gap-3);
    --space-2: var(--krds-gap-4);
    --space-3: var(--krds-gap-5);
    --space-4: var(--krds-gap-6);
    --space-5: var(--krds-gap-7);
    --space-6: var(--krds-gap-8);
    --space-7: 40px;
}

/* KRDS focus rule transplant */
*:focus-visible {
    outline: var(--krds-focus-outline);
    outline-offset: 0;
    box-shadow: var(--krds-focus-ring);
    transition: outline 0s, box-shadow 0s !important;
}

/* Button values transplanted to existing selectors */
.btn,
.btn-inline,
.gnb-link,
.menu-toggle {
    border-width: var(--krds-border-width-regular);
    border-style: solid;
}

.btn,
.btn-inline {
    min-height: var(--krds-size-height-7);
    padding: 0 var(--krds-padding-7);
    border-radius: var(--krds-radius-medium3);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--krds-gap-2);
}

.btn {
    width: 100%;
}

.btn-primary,
.btn-inline {
    background: var(--krds-color-primary-50);
    border-color: var(--krds-color-primary-50);
    color: var(--krds-color-gray-0);
}

.btn-primary:hover,
.btn-inline:hover {
    background: var(--krds-color-primary-60);
    border-color: var(--krds-color-primary-60);
}

.btn-primary:active,
.btn-primary:focus,
.btn-inline:active,
.btn-inline:focus {
    background: var(--krds-color-primary-70);
    border-color: var(--krds-color-primary-70);
}

.btn-secondary {
    background: var(--krds-color-primary-5);
    border-color: var(--krds-color-primary-50);
    color: var(--krds-color-primary-60);
}

.btn-secondary:hover {
    background: var(--krds-color-primary-10);
}

.btn-secondary:active,
.btn-secondary:focus {
    background: var(--krds-color-primary-20);
}

.btn[disabled],
.btn.disabled {
    background: var(--krds-color-gray-20);
    border-color: var(--krds-color-gray-30);
    color: var(--krds-color-gray-50);
    cursor: not-allowed;
}

/* Input/textarea values transplanted */
.input-group input,
.order-field textarea {
    background: var(--krds-color-gray-0);
    border: var(--krds-border-width-regular) solid var(--krds-color-gray-60);
    color: var(--krds-color-gray-70);
    border-radius: var(--krds-radius-medium3);
}

.input-group input {
    height: var(--krds-size-height-8);
    padding: 0 var(--krds-padding-6);
}

.order-field textarea {
    min-height: 144px;
    padding: var(--krds-padding-6);
}

.input-group input::placeholder,
.order-field textarea::placeholder {
    color: var(--krds-color-gray-40);
}

.input-group input:focus,
.order-field textarea:focus {
    border-color: var(--krds-color-primary-50);
    border-width: var(--krds-border-width-focus);
    outline: none;
    box-shadow: none;
    color: var(--krds-color-gray-90);
}

/* Border tuning */
.hero,
.app-card,
.page-intro,
.tool-section,
.app-container,
.gnb,
.gnb-link,
.mega-menu,
.mega-column,
.site-header,
.site-footer,
.order-panel,
.result-box,
.placeholder-box {
    border-width: var(--krds-border-width-regular);
}

/* Nav colors aligned to KRDS action palette */
.gnb-link {
    min-height: var(--krds-size-height-6);
    border-color: transparent;
    color: var(--krds-color-gray-70);
}

.gnb-link:hover,
.gnb-link.is-active,
.gnb-dropdown.is-active > .gnb-link {
    background: var(--krds-color-primary-5);
    border-color: var(--krds-color-primary-10);
    color: var(--krds-color-secondary-70);
    box-shadow: none;
}

.mega-list a:hover,
.mega-list a.is-active {
    background: var(--krds-color-primary-5);
    color: var(--krds-color-secondary-70);
}

.link-list a {
    color: var(--krds-color-primary-50);
}

/* Side navigation layout (non-home pages) */
.layout-shell {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
    padding-top: 0;
}

.page-content {
    min-width: 0;
}

.layout-shell > .page-content > .container {
    max-width: none;
    padding: 0;
}

.krds-breadcrumb {
    margin: 0 0 14px;
}

.krds-breadcrumb-list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.krds-breadcrumb-item {
    display: inline-flex;
    align-items: center;
    color: var(--krds-color-gray-60);
    font-size: 0.9rem;
    line-height: 1.4;
}

.krds-breadcrumb-item + .krds-breadcrumb-item::before {
    content: "/";
    margin-right: 6px;
    color: var(--krds-color-gray-40);
}

.krds-breadcrumb-item a {
    color: var(--krds-color-gray-60);
    text-decoration: none;
}

.krds-breadcrumb-item a:hover {
    color: var(--krds-color-secondary-70);
    text-decoration: underline;
}

.krds-breadcrumb-item .is-current {
    color: var(--krds-color-gray-90);
    font-weight: 700;
}

/* Privacy policy typography + in-page navigation */
.policy-page {
    max-width: 980px;
}

.policy-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 16rem;
    gap: 16px;
    align-items: start;
}

.policy-intro h2 {
    font-size: clamp(1.8rem, 2.4vw, 2.2rem);
    line-height: 1.25;
    margin-bottom: 10px;
}

.policy-kicker {
    display: inline-block;
    margin-bottom: 8px;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--krds-color-primary-60);
}

.policy-meta {
    margin-top: 10px;
    font-size: 0.88rem;
    color: var(--krds-color-gray-60);
}

/* KRDS In-page navigation */
.krds-in-page-navigation {
    --krds-in-page-navigation--width: 16rem;
    --krds-in-page-navigation--gap: var(--krds-gap-5);
    --krds-in-page-navigation--position-top: 25.6rem;
    --krds-in-page-navigation--position-right: calc((100% - var(--krds-contents-wrap-size)) / 2 - (var(--krds-in-page-navigation--width) - var(--krds-contents-padding-x) + var(--krds-pc-gap-layout-contents-right)));
    --krds-in-page-navigation--header-gap: var(--krds-gap-2);
    --krds-in-page-navigation--header-caption-pc-font-size: var(--krds-pc-font-size-body-xsmall);
    --krds-in-page-navigation--header-caption-mobile-font-size: var(--krds-mobile-font-size-body-xsmall);
    --krds-in-page-navigation--header-title-pc-font-size: var(--krds-pc-font-size-heading-xsmall);
    --krds-in-page-navigation--header-title-mobile-font-size: var(--krds-mobile-font-size-heading-xsmall);
    --krds-in-page-navigation--list-anchor-border-radius: var(--krds-radius-small3);
    --krds-in-page-navigation--list-anchor-pc-font-size: var(--krds-pc-font-size-navigation-depth-small);
    --krds-in-page-navigation--list-anchor-mobile-font-size: var(--krds-mobile-font-size-navigation-depth-small);
    --krds-in-page-navigation--action-gap: var(--krds-gap-3);
    --krds-in-page-navigation--action-info-pc-font-size: var(--krds-pc-font-size-body-small);
    --krds-in-page-navigation--action-info-mobile-font-size: var(--krds-mobile-font-size-body-small);
    --krds-in-page-navigation--color-text-bolder: var(--krds-light-color-text-bolder);
    --krds-in-page-navigation--color-text-sub: var(--krds-light-color-text-subtle);
    --krds-in-page-navigation--list-anchor-color-text-selected: var(--krds-light-color-text-secondary);
    --krds-in-page-navigation--list-anchor-color-background: var(--krds-light-color-action-secondary);
    --krds-in-page-navigation--list-anchor-color-background-hover: var(--krds-light-color-action-secondary-hover);
    --krds-in-page-navigation--list-anchor-color-background-pressed: var(--krds-light-color-action-secondary-pressed);
    --krds-in-page-navigation--list-anchor-color-background-selected: var(--krds-light-color-action-secondary-selected);

    width: var(--krds-in-page-navigation--width);
    position: sticky;
    top: 136px;
    border: 1px solid var(--krds-color-gray-20);
    border-radius: 8px;
    padding: 12px;
    background: var(--krds-color-gray-0);
}

.krds-in-page-navigation__header {
    display: grid;
    gap: var(--krds-in-page-navigation--header-gap);
    margin-bottom: 8px;
}

.krds-in-page-navigation__caption {
    margin: 0;
    color: var(--krds-in-page-navigation--color-text-sub);
    font-size: var(--krds-in-page-navigation--header-caption-pc-font-size);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-weight: 400;
}

.krds-in-page-navigation__title {
    margin: 0;
    color: var(--krds-in-page-navigation--color-text-bolder);
    font-size: var(--krds-in-page-navigation--header-title-pc-font-size);
}

.krds-in-page-navigation__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 4px;
}

.krds-in-page-navigation__list a {
    display: block;
    padding: 8px 10px;
    border-radius: var(--krds-in-page-navigation--list-anchor-border-radius);
    font-size: var(--krds-in-page-navigation--list-anchor-pc-font-size);
    color: var(--krds-color-gray-70);
    text-decoration: none;
}

.krds-in-page-navigation__list a:hover {
    background: var(--krds-in-page-navigation--list-anchor-color-background-hover);
}

.krds-in-page-navigation__list a:active {
    background: var(--krds-in-page-navigation--list-anchor-color-background-pressed);
}

.krds-in-page-navigation__list a:focus-visible {
    background: var(--krds-in-page-navigation--list-anchor-color-background-selected);
    color: var(--krds-in-page-navigation--list-anchor-color-text-selected);
}

.policy-section h3 {
    font-size: 1.16rem;
    line-height: 1.35;
    margin-bottom: 8px;
}

.policy-section p + p {
    margin-top: 8px;
}

.policy-list {
    margin: 8px 0 0;
    padding-left: 18px;
    display: grid;
    gap: 6px;
    color: var(--krds-color-gray-70);
}

.policy-section {
    scroll-margin-top: 120px;
}

.side-nav {
    position: sticky;
    top: 96px;
    background: var(--krds-color-gray-0);
    border: 1px solid var(--krds-color-gray-20);
    border-radius: 8px;
    padding: 14px;
}

.side-nav-section + .side-nav-section {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--krds-color-gray-10);
}

.side-nav-heading {
    font-size: 0.95rem;
    color: var(--krds-color-gray-90);
    margin: 0 0 8px;
}

.side-nav-list,
.side-nav-groups,
.side-nav-sublist {
    list-style: none;
    margin: 0;
    padding: 0;
}

.side-nav-list li + li,
.side-nav-sublist li + li {
    margin-top: 4px;
}

.side-nav-link,
.side-nav-sublink {
    display: block;
    border-radius: 6px;
    padding: 8px 10px;
    color: var(--krds-color-gray-70);
    font-size: 0.93rem;
    font-weight: 400;
}

.side-nav-sublink {
    position: relative;
    padding-left: 18px;
}

.side-nav-sublink::before {
    content: ".";
    position: absolute;
    left: 8px;
    top: 50%;
    transform: translateY(-54%);
    font-size: 1rem;
    line-height: 1;
    color: var(--krds-color-gray-50);
}

.side-nav-link:hover,
.side-nav-sublink:hover,
.side-nav-link.is-active,
.side-nav-sublink.is-active {
    background: var(--krds-color-secondary-5);
    color: var(--krds-color-secondary-70);
}

.side-nav-group + .side-nav-group {
    margin-top: 10px;
}

.side-nav-group-title {
    width: 100%;
    margin: 0;
    padding: 6px 10px;
    border: 0;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
    font-size: 0.86rem;
    color: var(--krds-color-gray-60);
    font-weight: 700;
}

.side-nav-group-title:hover {
    color: var(--krds-color-gray-90);
}

.side-nav-group-indicator::before {
    content: "▾";
    font-size: 0.78rem;
    color: var(--krds-color-gray-50);
    transition: transform 0.2s ease;
    display: inline-block;
}

.side-nav-group.is-open .side-nav-group-indicator::before {
    transform: rotate(180deg);
}

.side-nav-sublist {
    border-left: 0;
    margin-left: 0;
    padding-left: 0;
    margin-top: 4px;
    display: none;
}

.side-nav-group.is-open .side-nav-sublist {
    display: block;
}

/* KRDS-like header/menu shape override */
.site-header {
    background: var(--krds-color-gray-0);
    backdrop-filter: none;
    box-shadow: none;
    border-bottom: 1px solid var(--krds-color-gray-20);
}

.header-top-row {
    min-height: 72px;
    padding-top: 10px;
    padding-bottom: 10px;
    padding-inline: var(--space-5);
    border-bottom: 1px solid var(--krds-color-gray-10);
}

.brand-wrap {
    display: flex;
    align-items: center;
    min-height: 44px;
}

.site-logo {
    margin: 0;
    line-height: 1;
}

.site-logo a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding-inline: 6px;
    font-size: clamp(1.25rem, 1.1rem + 1vw, 1.8rem);
    font-weight: 800;
    letter-spacing: -0.012em;
    line-height: 1;
}

.menu-toggle {
    width: 44px;
    height: 44px;
}

.header-nav-row {
    padding-top: 0;
    padding-bottom: 0;
}

.gnb {
    background: transparent;
    border: 0;
    border-radius: 0;
    padding: 0;
    gap: 2px;
    backdrop-filter: none;
}

.gnb-link {
    min-height: var(--krds-size-height-8);
    padding: 0 var(--krds-padding-7);
    border: 0;
    border-radius: 6px;
    position: relative;
    color: var(--krds-color-gray-90);
    font-weight: 700;
    z-index: 1;
}

.gnb-link:hover {
    background: var(--krds-color-secondary-5);
    color: var(--krds-color-gray-90);
}

.gnb-link.is-active,
.gnb-dropdown.is-active > .gnb-link {
    background: var(--krds-color-secondary-5);
    color: var(--krds-color-secondary-70);
}

.gnb-link.is-active::after,
.gnb-dropdown.is-active > .gnb-link::after {
    content: "";
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 0;
    height: 3px;
    border-radius: 999px;
    background: var(--krds-color-primary-50);
}

.dropdown-indicator::before {
    content: "";
    display: inline-block;
    width: 7px;
    height: 7px;
    margin-left: 2px;
    border-right: 2px solid var(--krds-color-gray-60);
    border-bottom: 2px solid var(--krds-color-gray-60);
    transform: rotate(45deg);
    transform-origin: 50% 50%;
    transition: transform 0.2s ease;
}

.gnb-dropdown:hover .dropdown-indicator::before,
.gnb-dropdown:focus-within .dropdown-indicator::before {
    transform: rotate(45deg);
}

.gnb-dropdown.is-open .dropdown-indicator::before,
.dropdown-toggle[aria-expanded="true"] .dropdown-indicator::before {
    transform: rotate(-135deg);
}

.mega-menu {
    left: 0;
    right: 0;
    top: calc(100% + 1px);
    border: 1px solid var(--krds-color-gray-20);
    border-top: 0;
    border-radius: 0;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

.mega-menu-inner {
    background: var(--krds-color-gray-0);
    padding-top: 16px;
    padding-bottom: 16px;
    gap: 20px;
    grid-template-columns: minmax(0, 1fr);
}

.mega-column {
    border: 0;
    border-radius: 0;
    padding: 0;
    background: transparent;
}

.mega-title {
    text-transform: none;
    letter-spacing: 0;
    font-size: 0.95rem;
    color: var(--krds-color-gray-90);
    border-bottom: 1px solid var(--krds-color-gray-10);
    margin-bottom: 8px;
    padding-bottom: 8px;
}

.mega-list a {
    border-radius: 6px;
    color: var(--krds-color-gray-70);
}

.mega-depth1-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
    display: grid;
    gap: 14px;
}

.mega-depth1-item {
    margin: 0;
    padding: 8px 0;
    border: 0;
    border-radius: 0;
    background: transparent;
}

.mega-depth1-item + .mega-depth1-item {
    border-top: 1px solid var(--krds-color-gray-10);
    margin-top: 2px;
    padding-top: 12px;
}

.mega-depth1-label {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    color: var(--krds-color-gray-90);
    margin-bottom: 8px;
}

.mega-depth2-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.mega-depth2-list li + li {
    margin-top: 4px;
}

.mega-depth2-list a {
    display: block;
    position: relative;
    padding: 8px 10px 8px 18px;
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--krds-color-gray-70);
    border-radius: 6px;
}

.mega-depth2-list a::before {
    content: ".";
    position: absolute;
    left: 8px;
    top: 50%;
    transform: translateY(-54%);
    font-size: 1rem;
    line-height: 1;
    color: var(--krds-color-gray-50);
}

.mega-list a:hover,
.mega-list a.is-active {
    background: var(--krds-color-secondary-5);
    color: var(--krds-color-secondary-70);
}

.home-tools-actions {
    display: none;
}

.home-tools-toggle {
    min-height: 44px;
    padding: 0 var(--krds-padding-7);
    border: 1px solid var(--krds-color-gray-30);
    border-radius: 999px;
    background: var(--krds-color-gray-0);
    color: var(--krds-color-gray-90);
    font-weight: 700;
    cursor: pointer;
}

/* Tool menu should open only on explicit click toggle */
.gnb-dropdown:hover .mega-menu,
.gnb-dropdown:focus-within .mega-menu {
    display: none;
}

.gnb-dropdown.is-open .mega-menu {
    display: block;
}

@media (max-width: 768px) {
    .policy-layout {
        grid-template-columns: 1fr;
    }

    .policy-main {
        display: contents;
    }

    .policy-main > .policy-intro {
        order: 1;
    }

    .policy-layout > .krds-in-page-navigation {
        order: 2;
    }

    .policy-main > .policy-section {
        order: 3;
    }

    .krds-in-page-navigation {
        width: 100%;
        position: static;
        top: auto;
        margin-bottom: 12px;
    }

    .krds-in-page-navigation__caption {
        font-size: var(--krds-in-page-navigation--header-caption-mobile-font-size);
    }

    .krds-in-page-navigation__title {
        font-size: var(--krds-in-page-navigation--header-title-mobile-font-size);
    }

    .krds-in-page-navigation__list a {
        font-size: var(--krds-in-page-navigation--list-anchor-mobile-font-size);
    }

    .layout-shell {
        grid-template-columns: 1fr;
        gap: 14px;
        padding-top: 0;
    }

    .krds-breadcrumb {
        margin-bottom: 10px;
    }

    .side-nav {
        display: none;
    }

    .header-top-row {
        min-height: 60px;
        padding-top: 8px;
        padding-bottom: 8px;
        padding-inline: var(--space-3);
    }

    .site-logo a {
        min-height: 48px;
        padding-inline: 4px;
        font-size: clamp(1.12rem, 1.02rem + 0.5vw, 1.28rem);
    }

    .header-nav-row {
        padding: 0 var(--space-3);
    }

    .header-nav-row.is-open {
        padding: 0 var(--space-3) 12px;
    }

    .gnb {
        background: var(--krds-color-gray-0);
        border: 1px solid var(--krds-color-gray-20);
        border-radius: 8px;
        padding: 8px;
        gap: 8px;
    }

    .gnb-link {
        min-height: var(--krds-size-height-7);
        border-radius: 6px;
        border: 1px solid transparent;
        padding: 0 var(--krds-padding-6);
    }

    .gnb-link.is-active::after,
    .gnb-dropdown.is-active > .gnb-link::after {
        display: none;
    }

    .mega-menu {
        border: 0;
        box-shadow: none;
        margin-top: 2px;
    }

    .mega-menu-inner {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .mega-column {
        border: 1px solid var(--krds-color-gray-20);
        border-radius: 6px;
        padding: 8px;
        background: var(--krds-color-gray-0);
    }

    .mega-depth1-item {
        padding: 8px;
    }

    .home-tool-grid {
        gap: 10px;
    }

    .home-tool-card {
        padding: 14px;
    }

    .home-tool-card p {
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 1;
        overflow: hidden;
    }

    .home-tool-grid:not(.is-expanded) .home-tool-card.is-extra {
        display: none;
    }

    .home-tools-actions {
        display: flex;
        justify-content: center;
        margin-top: 12px;
    }
}


/* Mobile off-canvas menu */
.mobile-nav-head,
.menu-close,
.menu-backdrop {
    display: none;
}

@media (max-width: 768px) {
    body.menu-open {
        overflow: hidden;
    }

    .menu-backdrop {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(15, 23, 42, 0.44);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.22s ease;
        z-index: 220;
        border: 0;
        padding: 0;
    }

    .menu-backdrop.is-open {
        opacity: 1;
        pointer-events: auto;
    }

    .header-nav-row {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: min(88vw, 360px);
        max-height: none !important;
        opacity: 1 !important;
        overflow-y: auto;
        background: var(--krds-color-gray-0);
        transform: translateX(102%);
        transition: transform 0.24s ease;
        padding: 12px !important;
        z-index: 230;
        box-shadow: -8px 0 26px rgba(15, 23, 42, 0.18);
    }

    .header-nav-row.is-open {
        transform: translateX(0);
        padding: 12px !important;
    }

    .mobile-nav-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 48px;
        margin-bottom: 10px;
        padding: 0 4px;
        border-bottom: 1px solid var(--krds-color-gray-10);
    }

    .mobile-nav-head strong {
        font-size: 17px;
        font-weight: 700;
        color: var(--krds-color-gray-90);
    }

    .menu-close {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 40px;
        padding: 0 10px;
        border: 1px solid var(--krds-color-gray-20);
        border-radius: 6px;
        background: #fff;
        color: var(--krds-color-gray-90);
        font-size: 15px;
        font-weight: 400;
        cursor: pointer;
    }

    .gnb {
        box-shadow: none;
        border-radius: 8px;
        padding: 8px;
    }
}