/* ============================================================
   Local sub-nav shell (about, results, …)
   Sticky left column inside .container on large screens
   ============================================================ */

.local-shell {
  position: relative;
}

.local-nav {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  position: relative;
}

/* Sliding gel pill — shared motion with the site header bar */
.local-nav__liquid {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
  width: 0;
  height: 0;
  border-radius: var(--radius-md);
  background-color: var(--color-accent);
  pointer-events: none;
  opacity: 0;
  transform: translate3d(0, 0, 0);
  transform-origin: center center;
  transition: none;
  will-change: transform, width, height;
}

.local-nav.is-liquid-ready .local-nav__liquid {
  transition:
    transform 0.45s cubic-bezier(0.34, 1.4, 0.64, 1),
    width 0.45s cubic-bezier(0.34, 1.4, 0.64, 1),
    height 0.45s cubic-bezier(0.45, 0.1, 0.25, 1),
    opacity 0.2s var(--ease-out),
    background-color var(--duration-fast) var(--ease-out);
}

.local-nav__liquid.is-visible {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .local-nav__liquid {
    transition:
      transform 0.01ms linear,
      width 0.01ms linear,
      height 0.01ms linear,
      opacity 0.01ms linear;
  }
}

.local-nav__link {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 var(--spacing-md);
  font-family: var(--font-gyeonggi-batang);
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg-default);
  transition:
    background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    color 0.28s var(--ease-out);
}

.local-nav__link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-dark);
}

.local-nav__link.is-active {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-contrast);
}

.local-nav__link.is-active:hover {
  color: var(--color-accent-contrast);
}

/* When liquid is armed, the pill owns the fill */
.local-nav.has-nav-liquid > .local-nav__link {
  background-color: transparent;
  border-color: transparent;
}

.local-nav.has-nav-liquid > .local-nav__link:hover,
.local-nav.has-nav-liquid > .local-nav__link.is-active,
.local-nav.has-nav-liquid > .local-nav__link.is-active:hover {
  background-color: transparent;
  border-color: transparent;
}

.local-nav.has-nav-liquid > .local-nav__link.is-liquid-on {
  color: var(--color-accent-contrast);
}

/* Sticky left column only when nav stays beside content */
@media (min-width: 1280px) {
  .local-shell {
    display: grid;
    grid-template-columns: 7.5rem minmax(0, 1fr);
    column-gap: var(--spacing-lg);
    align-items: start;
  }

  .local-shell > .local-nav {
    position: sticky;
    top: calc(var(--header-height) + var(--spacing-lg));
    width: 7.5rem;
    margin: 0;
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-sm);
    z-index: var(--z-sticky, 1100);
  }

  .local-shell > .local-nav .local-nav__link {
    min-width: 7.5rem;
    text-align: center;
  }

  .local-shell__main {
    width: 100%;
    min-width: 0;
  }
}

/* Local nav inside page-intro / about-banner — connected tabs */
.page-intro .local-nav,
.about-banner .local-nav {
  --page-intro-tab-curve: 12px;
  margin-top: 0;
  margin-bottom: 0;
  flex-shrink: 0;
  gap: var(--spacing-xs);
  align-items: flex-end;
  overflow: visible;
}

/* White tab gel — slides on the baseline; corner ears travel with it */
.page-intro .local-nav__liquid,
.about-banner .local-nav__liquid {
  background-color: var(--color-bg-default);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.page-intro .local-nav__liquid::before,
.page-intro .local-nav__liquid::after,
.about-banner .local-nav__liquid::before,
.about-banner .local-nav__liquid::after {
  content: "";
  position: absolute;
  bottom: 0;
  width: var(--page-intro-tab-curve);
  height: var(--page-intro-tab-curve);
  background-color: transparent;
  pointer-events: none;
}

.page-intro .local-nav__liquid::before,
.about-banner .local-nav__liquid::before {
  left: calc(-1 * var(--page-intro-tab-curve));
  border-bottom-right-radius: var(--page-intro-tab-curve);
  box-shadow: 4px 4px 0 4px var(--color-bg-default);
}

.page-intro .local-nav__liquid::after,
.about-banner .local-nav__liquid::after {
  right: calc(-1 * var(--page-intro-tab-curve));
  border-bottom-left-radius: var(--page-intro-tab-curve);
  box-shadow: -4px 4px 0 4px var(--color-bg-default);
}

.page-intro .local-nav__link,
.about-banner .local-nav__link {
  position: relative;
  z-index: 1;
  min-height: 52px;
  min-width: 7.5rem;
  padding: 0 var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  border: none;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background-color: transparent;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 0;
}

.page-intro .local-nav__link:hover,
.about-banner .local-nav__link:hover {
  color: #ffffff;
  background-color: transparent;
}

.page-intro .local-nav.has-nav-liquid > .local-nav__link:hover,
.about-banner .local-nav.has-nav-liquid > .local-nav__link:hover {
  background-color: transparent;
  color: #ffffff;
}

.page-intro .local-nav__link.is-active,
.about-banner .local-nav__link.is-active {
  z-index: 2;
  background-color: transparent;
  color: rgba(255, 255, 255, 0.72);
}

.page-intro .local-nav.has-nav-liquid > .local-nav__link.is-liquid-on,
.about-banner .local-nav.has-nav-liquid > .local-nav__link.is-liquid-on {
  z-index: 2;
  color: var(--color-bg-banner);
}

.page-intro .local-nav__link.is-active:hover,
.about-banner .local-nav__link.is-active:hover {
  color: rgba(255, 255, 255, 0.72);
  background-color: transparent;
}

.page-intro .local-nav.has-nav-liquid > .local-nav__link.is-liquid-on:hover,
.about-banner .local-nav.has-nav-liquid > .local-nav__link.is-liquid-on:hover {
  color: var(--color-bg-banner);
}

/* ============================================================
   Inner pages — shared page intro + content patterns
   Used by about, curriculum, results, schedule, location, etc.
   ============================================================ */

/* Compact page intro — same fixed height as .about-banner */
.page-intro {
  box-sizing: border-box;
  position: relative;
  display: flex;
  align-items: center;
  height: var(--page-banner-height);
  min-height: var(--page-banner-height);
  padding-block: 0;
  background-color: var(--color-bg-banner);
  color: var(--color-text-inverse);
  overflow: hidden;
}

/* Allow active tab + concave corners to paint past the banner edge */
.page-intro:has(.local-nav) {
  overflow: visible;
  z-index: 1;
}

.page-intro::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -12px;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 14px solid transparent;
  border-right: 14px solid transparent;
  border-top: 14px solid var(--color-bg-banner);
  pointer-events: none;
}

/* Hide the default notch when the connected tab replaces that cue */
.page-intro:has(.local-nav)::after {
  content: none;
}

/* Remove dual-theme alt banner — theme is set per page instead */
.page-intro--alt {
  background-color: var(--color-bg-banner);
}

.page-intro--alt::after {
  border-top-color: var(--color-bg-banner);
}

.page-intro__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--spacing-xs);
}

/*
 * When sub-nav lives in the banner:
 * title on the LEFT, tabs along the bottom-left (connected active tab).
 */
.page-intro__inner:has(.local-nav) {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: 1fr auto;
  align-items: start;
  height: 100%;
}

.page-intro__inner:has(.local-nav) .page-intro__title {
  grid-column: 1;
  grid-row: 1;
  align-self: center;
  justify-self: start;
}

.page-intro__inner:has(.local-nav) .local-nav {
  grid-column: 1;
  grid-row: 2;
  align-self: end;
  justify-self: start;
}

.page-intro__title {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: var(--font-weight-extrabold);
  letter-spacing: var(--letter-spacing-tight);
  line-height: 1.15;
  margin: 0;
}

.page-intro__lead {
  margin: 0;
  line-height: 1.35;
  opacity: 0.95;
}

/* Location intro: Jalnan title + GyeonggiBatang Bold lead */
body[data-page="location"] .page-intro__title {
  font-family: var(--font-jalnan);
  font-weight: 400;
  letter-spacing: -0.02em;
}

body[data-page="location"] .page-intro__lead {
  font-family: var(--font-gyeonggi-batang);
  font-weight: 700;
}

.section-heading--spaced {
  margin-top: var(--spacing-2xl);
}

@media (max-width: 767px) {
  .page-intro__inner:has(.local-nav) {
    grid-template-rows: 1fr auto;
  }

  .page-intro__title {
    font-size: clamp(1.35rem, 5vw, 1.75rem);
  }

  .page-intro__lead {
    font-size: var(--font-size-sm);
  }

  .page-intro .local-nav__link,
  .about-banner .local-nav__link {
    min-height: 44px;
    min-width: 6.5rem;
    padding: 0 var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
  }
}

@media (min-width: 768px) {
  .page-intro__lead {
    font-size: var(--font-size-lg);
  }

  .page-intro .local-nav__link,
  .about-banner .local-nav__link {
    min-height: 56px;
    min-width: 8.5rem;
    padding: 0 var(--spacing-xl);
    padding-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
  }
}

/* Prose content block */
.prose {
  max-width: 42em;
}

.prose p + p {
  margin-top: var(--spacing-md);
}

.prose strong {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

/* Feature / value rows — not cards; border-top separators only */
.value-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-border);
}

.value-list__item {
  display: grid;
  gap: var(--spacing-sm);
  padding-block: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.value-list__num {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-wide);
  color: var(--color-accent-dark);
}

.value-list__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
}

.value-list__desc {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  max-width: 40em;
}

@media (min-width: 768px) {
  .value-list__item {
    grid-template-columns: 4rem 1fr;
    column-gap: var(--spacing-lg);
    align-items: start;
  }

  .value-list__title,
  .value-list__desc {
    grid-column: 2;
  }

  .value-list__num {
    grid-row: 1 / span 2;
    padding-top: 0.2em;
  }
}

/* Sub-nav for curriculum children */
.subnav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

.subnav__link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 var(--spacing-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition:
    background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out);
}

.subnav__link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-dark);
}

.subnav__link.is-active {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-contrast);
}

.subnav__link.is-active:hover {
  color: var(--color-accent-contrast);
}

/* Curriculum topic list */
.topic-list {
  display: grid;
  gap: var(--spacing-md);
}

.topic-list__item {
  padding-block: var(--spacing-md);
  border-bottom: 1px solid var(--color-border-light);
}

.topic-list__item:first-child {
  border-top: 1px solid var(--color-border);
}

.topic-list__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-xs);
}

.topic-list__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* Results / review quotes — simple stacked quotes, no card chrome */
.quote-stack {
  display: grid;
  gap: var(--spacing-xl);
}

.quote-block {
  padding-block: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.quote-block:last-child {
  border-bottom: 1px solid var(--color-border);
}

.quote-block__text {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

.quote-block__meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Schedule table */
.schedule-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.schedule-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.schedule-table th,
.schedule-table td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.schedule-table th {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  background-color: var(--color-bg-paper);
  white-space: nowrap;
}

.schedule-table td {
  color: var(--color-text-secondary);
}

.schedule-table__time {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  white-space: nowrap;
}

.schedule-note {
  margin-top: var(--spacing-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
}

/* Location — per-campus address / phone / hours + map */
.location-grid {
  display: grid;
  gap: var(--spacing-2xl);
}

@media (min-width: 768px) {
  .location-grid {
    grid-template-columns: 1fr 1.2fr;
    align-items: start;
  }
}

.location-detail {
  display: grid;
  gap: var(--spacing-lg);
}

/* Heading sits in the text column so the map starts at the section top. */
.location-detail > .section-heading {
  margin-bottom: 0;
  scroll-margin-top: 6rem;
}

.location-detail__row {
  display: grid;
  gap: var(--spacing-xs);
}

.location-detail__label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  color: var(--color-accent-dark);
}

.location-detail__value {
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  line-height: var(--line-height-relaxed);
}

.location-detail__value a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.location-detail__value a:hover {
  color: var(--color-accent-dark);
}

/* Campus map — Naver Web Dynamic Map canvas (place iframes are frame-blocked) */
.location-map {
  display: grid;
  gap: var(--spacing-sm);
  min-width: 0;
  position: relative;
}

.location-map__canvas {
  display: block;
  width: 100%;
  height: 280px;
  border: 0;
  border-radius: var(--radius-lg);
  background-color: var(--color-gray-100);
  overflow: hidden;
}

/* Custom campus pin. translate puts the mark tip on the map coordinate. */
.location-map__pin {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transform: translate(-50%, -100%);
}

.location-map__pin-name {
  padding: 0.5rem 0.95rem;
  border: 2px solid var(--palette-red-dark);
  border-radius: var(--radius-md);
  background-color: var(--color-bg-default);
  box-shadow: var(--shadow-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
  white-space: nowrap;
}

/* Deep red on purpose. The page accent follows the site theme,
   and a green or blue pin disappears into the map. */
.location-map__pin-mark {
  width: 30px;
  height: 30px;
  border: 4px solid var(--color-bg-default);
  border-radius: 50% 50% 50% 0;
  background-color: var(--palette-red-dark);
  box-shadow: var(--shadow-md);
  transform: rotate(-45deg);
}

.location-map__fallback {
  margin: 0;
  padding: var(--spacing-md);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-muted);
}

/* Children are positioned on the map; the toolbar itself takes no row. */
.location-map__toolbar {
  display: contents;
}

.location-map__link {
  position: absolute;
  top: var(--spacing-sm);
  left: var(--spacing-sm);
  z-index: 5;
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-md);
  background-color: transparent;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

/* Copy result. Fixed so it does not sit in the map toolbar. */
.location-toast {
  position: fixed;
  left: 50%;
  bottom: var(--spacing-xl);
  z-index: var(--z-fixed);
  margin: 0;
  max-width: calc(100% - var(--spacing-xl));
  padding: 0.75rem 1.1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-bg-default);
  box-shadow: var(--shadow-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
  pointer-events: none;
  opacity: 0;
  transform: translateX(-50%) translateY(8px);
  transition:
    opacity var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-out);
}

.location-toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.location-toast[data-kind="ok"] {
  color: var(--color-success);
}

.location-toast[data-kind="error"] {
  color: var(--color-error);
}

/* Share control sits on the map, top-right, above the Naver canvas. */
.location-map__share {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  z-index: 5;
  background-color: var(--color-bg-default);
  box-shadow: var(--shadow-md);
}

.location-map__link:hover {
  color: var(--color-accent);
}

@media (min-width: 768px) {
  .location-map__canvas {
    height: 360px;
  }
}

/* CTA band at end of priority pages */
.page-cta {
  padding-block: var(--spacing-2xl);
  background-color: var(--color-bg-paper);
  border-top: 1px solid var(--color-border-light);
}

.page-cta__inner {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.page-cta__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
}

.page-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

@media (min-width: 768px) {
  .page-cta__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}