/* components.css — UI components for Connective Corporate System
   ============================================================== */

/* ─── Top Utility Bar ──────────────────────────────────────── */
.util-bar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 101;
  background: #0a0a0a; color: rgba(255,255,255,0.55);
  font-size: 12px; height: 36px; display: flex; align-items: center;
}
.util-bar__inner {
  max-width: var(--w-full); margin: 0 auto; width: 100%;
  padding: 0 32px; display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.util-bar__left { display: flex; align-items: center; gap: 18px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em; }
.util-bar__left .dot { width: 5px; height: 5px; background: var(--ds-brand); border-radius: 50%; display: inline-block; margin-right: 6px; vertical-align: 1px; box-shadow: 0 0 6px rgba(29,78,216,.6); }
.util-bar__left a, .util-bar__left span { color: rgba(255,255,255,0.55); }
.util-bar__right { display: flex; gap: 14px; align-items: center; }
.util-bar__right a { color: rgba(255,255,255,0.55); transition: color var(--t-fast); font-size: 12px; }
.util-bar__right a:hover { color: var(--ds-brand); }
.util-bar__divider { width: 1px; height: 12px; background: rgba(255,255,255,0.2); }
.util-bar__lang { display: inline-flex; align-items: center; gap: 2px; }
.util-bar__lang button {
  font: inherit; font-size: 11px; padding: 3px 8px; border: 0; background: transparent;
  color: rgba(255,255,255,0.55); cursor: pointer; border-radius: 4px;
  font-family: var(--font-mono); letter-spacing: 0.05em; text-transform: uppercase; transition: all var(--t-fast);
}
.util-bar__lang button.is-active { background: var(--ds-brand); color: #fff; }
.util-bar__lang button:hover:not(.is-active) { color: rgba(255,255,255,0.9); }
.util-bar__theme {
  width: 32px; height: 18px; background: rgba(255,255,255,0.18);
  border-radius: var(--r-pill); position: relative; cursor: pointer;
  border: 0; padding: 0; transition: background var(--t-fast);
}
.util-bar__theme::after {
  content: ''; position: absolute; left: 2px; top: 2px;
  width: 14px; height: 14px; background: var(--ds-brand); border-radius: 50%;
  transition: left var(--t-base) var(--ease-out), background var(--t-base);
}
@media (max-width: 880px) {
  .util-bar__left .util-hide-sm { display: none; }
  .util-bar { height: 32px; font-size: 11px; }
}

/* When utility bar is active, push site header down */
body.has-util-bar { --header-top: 36px; }
body.has-util-bar .site-header { top: 36px; }
@media (max-width: 880px) { body.has-util-bar { --header-top: 32px; } body.has-util-bar .site-header { top: 32px; } }

/* ─── Header / Site Nav ────────────────────────────────────── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--header-h); z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color var(--t-base) var(--ease-std),
              border-color var(--t-base) var(--ease-std),
              backdrop-filter var(--t-base) var(--ease-std);
}
.site-header.is-scrolled,
.site-header.is-solid {
  background: color-mix(in srgb, var(--ds-bg) 88%, transparent);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom-color: var(--ds-line);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%; max-width: var(--w-full);
  margin: 0 auto; padding: 0 32px;
}
.site-header__logo {
  display: flex; align-items: center; gap: 10px;
  color: var(--ds-text);
  font-family: var(--font-head); font-weight: 700; font-size: 17px;
  letter-spacing: -0.01em;
}
.site-header__logo-mark { height: 60px; width: auto; display: block; }

.site-header__nav { display: flex; align-items: center; gap: 0; flex: none; justify-content: flex-end; margin-left: auto; }
.site-header__nav-wrap { position: relative; }
.site-header__nav-item {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 10px 18px;
  border-radius: var(--r-pill);
  font-size: 14px; font-weight: 500;
  color: var(--ds-text-2);
  transition: background var(--t-fast), color var(--t-fast);
}
.site-header__nav-item:hover { background: var(--ds-bg-subtle); color: var(--ds-text); }
.site-header__nav-item.is-current { background: var(--ds-text); color: var(--ds-bg-card); }
.site-header__nav-item.is-current::after { display: none; }

/* Submenu (mega) */
.site-header__submenu {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(8px);
  min-width: 260px; padding: 12px; background: var(--ds-bg);
  border: 1px solid var(--ds-line); border-radius: var(--r-md);
  box-shadow: var(--sh-overlay); opacity: 0; pointer-events: none;
  transition: opacity var(--t-fast), transform var(--t-fast);
  z-index: 10;
}
.site-header__nav-wrap:hover .site-header__submenu,
.site-header__nav-wrap:focus-within .site-header__submenu {
  opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto;
}
.site-header__submenu a {
  display: flex; flex-direction: column; gap: 2px; padding: 12px 14px;
  border-radius: var(--r-sm); transition: background var(--t-fast);
}
.site-header__submenu a:hover { background: var(--ds-bg-subtle); }
.site-header__submenu .ttl {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600; font-size: 14px;
}
.site-header__submenu .desc { font-size: 12px; color: var(--ds-text-3); }
/* Status pills (NEW/BETA/…) now live in src/components/ui/Badge.astro */

.site-header__utils { display: flex; align-items: center; gap: 10px; }
.site-header__menu-btn,
.site-header__theme-btn {
  width: 38px; height: 38px; border: 1px solid var(--ds-line);
  background: transparent; border-radius: var(--r-sm); color: var(--ds-text);
  display: inline-grid; place-items: center;
  transition: background var(--t-fast), border-color var(--t-fast);
}
.site-header__menu-btn:hover,
.site-header__theme-btn:hover { background: var(--ds-bg-subtle); border-color: var(--ds-line-strong); }
.site-header__theme-btn svg { width: 18px; height: 18px; }
.site-header__lang {
  display: inline-flex; border: 1px solid var(--ds-line); border-radius: var(--r-sm); overflow: hidden;
}
.site-header__lang button {
  border: 0; background: transparent; padding: 7px 10px; font-size: 11px;
  font-family: var(--font-mono); letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--ds-text-2);
}
.site-header__lang button.is-active { background: var(--ds-text); color: var(--ds-bg); }
.site-header__lang button + button { border-left: 1px solid var(--ds-line); }

@media (max-width: 900px) {
  .site-header__nav { display: none; }
}

/* ─── Mega Menu (Full overlay) ─────────────────────────────── */
.mega-menu {
  position: fixed; inset: 0; z-index: 200;
  background: var(--ds-bg);
  opacity: 0; pointer-events: none;
  transition: opacity var(--t-base) var(--ease-out);
  overflow-y: auto;
}
.mega-menu.is-open { opacity: 1; pointer-events: auto; }

.mega-menu__topbar {
  position: sticky; top: 0; z-index: 1;
  background: var(--ds-bg);
  border-bottom: 1px solid var(--ds-line);
}
.mega-menu__topbar-inner {
  max-width: var(--w-full); margin: 0 auto;
  padding: 18px 32px;
  display: flex; align-items: center; justify-content: space-between;
}
.mega-menu__topbar-actions { display: flex; align-items: center; gap: 8px; }
.mega-menu__search-trigger {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 16px 8px 14px;
  border: 1px solid var(--ds-line-strong);
  border-radius: var(--r-pill);
  background: var(--ds-bg-subtle); color: var(--ds-text-2);
  font: inherit; font-size: 13px; cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast);
}
.mega-menu__search-trigger:hover { background: var(--ds-bg-card); border-color: var(--ds-text); color: var(--ds-text); }
.mega-menu__search-trigger kbd {
  font-family: var(--font-mono); font-size: 11px;
  padding: 2px 6px; background: var(--ds-bg-card);
  border: 1px solid var(--ds-line); border-radius: 4px; color: var(--ds-text-3);
}
.mega-menu__close {
  flex: 0 0 auto;
  width: 40px; height: 40px;
  display: inline-grid; place-items: center;
  border: 1px solid var(--ds-line-strong);
  border-radius: var(--r-pill);
  background: var(--ds-bg-subtle); color: var(--ds-text-2);
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast), transform var(--t-fast);
}
.mega-menu__close:hover {
  background: var(--ds-bg-card); border-color: var(--ds-text); color: var(--ds-text);
  transform: rotate(90deg);
}
.mega-menu__close:focus-visible {
  outline: 2px solid var(--ds-brand); outline-offset: 2px;
}

.mega-menu__inner {
  max-width: var(--w-full); margin: 0 auto;
  padding: 56px 32px 80px;
  display: grid; grid-template-columns: repeat(4, 1fr) 1.2fr; gap: 56px;
}
@media (max-width: 1280px) { .mega-menu__inner { grid-template-columns: repeat(4, 1fr); } .mega-menu__promo { grid-column: 1 / -1; max-width: 600px; } }
@media (max-width: 1024px) { .mega-menu__inner { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .mega-menu__inner { grid-template-columns: 1fr; gap: 36px; } }

.mega-menu__group .label {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--ds-text-3); margin-bottom: 18px;
}
.mega-menu__item {
  display: block; padding: 10px 0;
  border-bottom: 1px solid transparent;
  transition: padding var(--t-fast);
}
.mega-menu__item:hover { padding-left: 8px; }
.mega-menu__item-row {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 17px; color: var(--ds-text); transition: color var(--t-fast);
}
.mega-menu__item:hover .mega-menu__item-row { color: var(--ds-brand); }
.mega-menu__item-desc {
  display: block; margin-top: 4px;
  font-size: 12px; color: var(--ds-text-3);
}
/* Status pills (NEW/BETA/…) now live in src/components/ui/Badge.astro */

/* Promo card in mega menu */
.mega-menu__promo {
  padding: 32px; border-radius: var(--r-xl);
  background: linear-gradient(135deg, var(--ds-brand-bg), var(--ds-brand-soft));
  display: flex; flex-direction: column; justify-content: flex-end;
  min-height: 280px;
}
.mega-menu__promo-eyebrow {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--ds-text-2); margin-bottom: 16px;
}
.mega-menu__promo-title { font-size: 24px; line-height: 1.2; margin: 0 0 12px; color: var(--ds-text); font-weight: 700; letter-spacing: -0.01em; }
.mega-menu__promo-desc { font-size: 13px; color: var(--ds-text-2); margin: 0 0 20px; line-height: 1.55; }
.mega-menu__promo .btn { align-self: flex-start; }

/* ─── Search Overlay ───────────────────────────────────────── */
.search-overlay {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(10,10,10,0.45);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  opacity: 0; pointer-events: none;
  transition: opacity var(--t-base) var(--ease-out);
  display: flex; flex-direction: column;
  padding-top: 80px;
}
.search-overlay.is-open { opacity: 1; pointer-events: auto; }
.search-overlay__panel {
  max-width: 720px; width: calc(100% - 40px); margin: 0 auto;
  background: var(--ds-bg); border-radius: var(--r-xl);
  box-shadow: var(--sh-overlay);
  transform: translateY(-12px); transition: transform var(--t-base) var(--ease-out);
  overflow: hidden;
}
.search-overlay.is-open .search-overlay__panel { transform: translateY(0); }
.search-overlay__input-row {
  display: flex; align-items: center; gap: 12px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--ds-line);
}
.search-overlay__icon { color: var(--ds-text-3); flex: 0 0 auto; }
.search-overlay__input {
  flex: 1; border: 0; background: transparent; outline: none;
  font: inherit; font-size: 19px; color: var(--ds-text);
}
.search-overlay__close {
  width: 28px; height: 28px; border-radius: var(--r-sm);
  border: 1px solid var(--ds-line); background: var(--ds-bg-subtle);
  color: var(--ds-text-2); font-family: var(--font-mono);
  font-size: 11px; cursor: pointer;
}
.search-overlay__body { padding: 20px 24px 24px; max-height: 60vh; overflow-y: auto; }
.search-overlay__section { margin-bottom: 24px; }
.search-overlay__section:last-child { margin-bottom: 0; }
.search-overlay__section-label {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--ds-text-3); margin-bottom: 12px;
}
.search-overlay__chips { display: flex; flex-wrap: wrap; gap: 6px; }
.search-overlay__chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: var(--r-pill);
  border: 1px solid var(--ds-line); background: var(--ds-bg-card);
  font-size: 13px; color: var(--ds-text-2); cursor: pointer;
  transition: all var(--t-fast); font: inherit;
}
.search-overlay__chip:hover { background: var(--ds-brand); color: var(--ds-text-on-brand); border-color: var(--ds-brand); }
.search-overlay__results { display: flex; flex-direction: column; gap: 2px; }
.search-overlay__result {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 14px; border-radius: var(--r-sm);
  transition: background var(--t-fast);
}
.search-overlay__result:hover { background: var(--ds-bg-subtle); }
.search-overlay__result-label { font-size: 15px; color: var(--ds-text); font-weight: 500; }
.search-overlay__result-kind {
  font-family: var(--font-mono); font-size: 11px; color: var(--ds-text-3);
  text-transform: uppercase; letter-spacing: 0.08em;
}
.search-overlay__footer {
  padding: 14px 24px; border-top: 1px solid var(--ds-line);
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-mono); font-size: 11px; color: var(--ds-text-3);
}
.search-overlay__footer kbd {
  font-family: var(--font-mono); font-size: 10px;
  padding: 1px 5px; background: var(--ds-bg-subtle);
  border: 1px solid var(--ds-line); border-radius: 3px; margin: 0 2px;
}

/* ─── Footer ───────────────────────────────────────────────── */
/* footer.html 컴팩트 푸터 — full-bleed 배경 + containerized inner
   (모바일 viewport width 100% 보장, 내부만 max-width 제한) */
.site-footer--compact { width: 100%; }
.site-footer--compact__inner {
  width: 100%;
  max-width: var(--w-wide);
  margin: 0 auto;
  padding: 40px 20px 28px;
  box-sizing: border-box;
}
@media (min-width: 769px) {
  .site-footer--compact__inner { padding: 40px 32px 28px; }
}
.site-footer {
  background: var(--ds-bg-subtle);
  border-top: 1px solid var(--ds-line);
  padding: 96px 0 36px;
  margin-top: 80px;
  font-family: var(--font-sans);
}
.site-footer__inner { max-width: var(--w-wide); margin: 0 auto; padding: 0 32px; }
.site-footer__grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr;
  gap: 56px; margin-bottom: 56px;
  align-items: start;
}
@media (max-width: 1024px) {
  .site-footer__grid { grid-template-columns: 2fr 1fr 1fr; row-gap: 40px; }
  .site-footer__brand { grid-column: 1 / -1; max-width: 480px; }
}
@media (max-width: 640px) { .site-footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; } }

.site-footer__brand { font-family: var(--font-sans); }
.site-footer__brand-logo {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 20px;
  color: var(--ds-text); text-decoration: none;
  font-family: var(--font-head); font-weight: 700; font-size: 20px;
}
.site-footer__brand-logo img { height: 60px; width: auto; display: block; }
.site-footer__tagline {
  font-family: var(--font-sans);
  font-size: 13px; line-height: 1.65; color: var(--ds-text-2);
  margin: 0 0 24px; max-width: 280px;
}

.site-footer__controls { display: flex; align-items: center; gap: 8px; }
.footer-seg {
  display: inline-flex; align-items: stretch;
  border: 1px solid var(--ds-line-strong);
  border-radius: var(--r-pill); overflow: hidden;
  background: var(--ds-bg-card); height: 34px;
}
.footer-seg button,
.footer-seg a {
  display: inline-flex; align-items: center; justify-content: center;
  font: inherit; font-family: var(--font-sans);
  font-size: 12px; font-weight: 600; letter-spacing: 0.04em;
  padding: 0 14px; min-width: 40px;
  border: 0; background: transparent; color: var(--ds-text-2);
  text-decoration: none; cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast);
}
.footer-seg button + button,
.footer-seg a + a { border-left: 1px solid var(--ds-line); }
.footer-seg button.is-active,
.footer-seg a.is-active { background: var(--ds-text); color: var(--ds-bg-card); }
.footer-seg button:hover:not(.is-active),
.footer-seg a:hover:not(.is-active) { color: var(--ds-text); background: var(--ds-bg-subtle); }
.footer-seg--theme button { padding: 0 10px; min-width: 36px; }
.footer-seg--theme button[data-theme-btn="system"] { font-size: 10px; letter-spacing: 0.08em; }

.footer-iconbtn {
  width: 34px; height: 34px; flex: 0 0 34px;
  border: 1px solid var(--ds-line-strong); border-radius: 50%;
  background: var(--ds-bg-card); color: var(--ds-text-2);
  display: grid; place-items: center; cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
  position: relative; overflow: hidden;
}
.footer-iconbtn:hover { background: var(--ds-text); color: var(--ds-bg-card); border-color: var(--ds-text); }
.footer-iconbtn svg { position: absolute; transition: opacity var(--t-base) var(--ease-out), transform var(--t-base) var(--ease-out); }
.footer-iconbtn .footer-icon-sun  { opacity: 1; transform: rotate(0) scale(1); }
.footer-iconbtn .footer-icon-moon { opacity: 0; transform: rotate(-30deg) scale(.6); }

.site-footer__col { display: flex; flex-direction: column; font-family: var(--font-sans); }
.site-footer__col h4 {
  font-family: var(--font-sans);
  font-size: 13px; font-weight: 700; letter-spacing: 0;
  text-transform: none; color: var(--ds-text);
  margin: 0 0 16px;
}
.site-footer__col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.site-footer__col a { font-family: var(--font-sans); font-size: 14px; color: var(--ds-text-2); transition: color var(--t-fast); }
.site-footer__col a:hover { color: var(--ds-text); }

.site-footer__utils {
  display: flex; justify-content: space-between; gap: 24px;
  padding: 24px 0; margin-top: 24px;
  border-top: 1px solid var(--ds-line);
  flex-wrap: wrap;
  font-family: var(--font-sans); font-size: 13px; color: var(--ds-text-3);
}
.site-footer__utils-left, .site-footer__utils-right {
  display: flex; flex-wrap: wrap; gap: 18px; align-items: center;
}
.site-footer__utils a { color: var(--ds-text-3); transition: color var(--t-fast); }
.site-footer__utils a:hover { color: var(--ds-text); }
.site-footer__utils .dot {
  display: inline-block; width: 5px; height: 5px; border-radius: 50%;
  background: var(--ds-brand); margin-right: 6px; vertical-align: 2px;
  box-shadow: 0 0 6px var(--ds-brand-glow);
}

.site-footer__bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; border-top: 1px solid var(--ds-line);
  font-family: var(--font-sans); font-size: 13px; color: var(--ds-text-3);
  flex-wrap: wrap; gap: 12px;
}

/* ─── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; min-height: 44px;
  border: 1px solid var(--ds-line-strong); background: transparent; color: var(--ds-text);
  border-radius: var(--r-pill);
  font-weight: 600; font-size: 15px;
  cursor: pointer; transition: background var(--t-fast), color var(--t-fast),
                               border-color var(--t-fast), transform var(--t-fast);
  text-decoration: none; white-space: nowrap;
}
.btn:hover { background: var(--ds-bg-subtle); border-color: var(--ds-text); transform: translateY(-1px); }
.btn--primary { background: var(--ds-text); color: var(--ds-bg-card); border-color: var(--ds-text); }
.btn--primary:hover { background: var(--ds-brand); border-color: var(--ds-brand); color: var(--ds-text-on-brand); box-shadow: var(--sh-brand); }
.btn--brand { background: var(--ds-brand); color: var(--ds-text-on-brand); border-color: var(--ds-brand); }
.btn--brand:hover { background: var(--ds-brand-hover); border-color: var(--ds-brand-hover); box-shadow: var(--sh-brand); }
.btn--ghost { border-color: transparent; }
.btn--ghost:hover { background: var(--ds-bg-subtle); border-color: var(--ds-line); }
.btn--lg { padding: 16px 30px; min-height: 56px; font-size: 16px; }
.btn--sm { padding: 8px 16px; min-height: 36px; font-size: 13px; }
.btn .arrow {
  width: 18px; height: 18px; transition: transform var(--t-fast);
}
.btn:hover .arrow { transform: translateX(3px); }

/* ─── Chips / Pills ────────────────────────────────────────── */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border: 1px solid var(--ds-line);
  border-radius: var(--r-pill); background: var(--ds-bg);
  font-size: 12px; color: var(--ds-text-2); font-weight: 500;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}
.chip:hover { background: var(--ds-bg-subtle); }
.chip--active { background: var(--ds-text); color: var(--ds-bg); border-color: var(--ds-text); }
.chip--brand { background: var(--ds-brand-soft); color: var(--ds-text-2); border-color: transparent; }
.chip__dot { width: 6px; height: 6px; border-radius: 50%; background: var(--ds-brand); box-shadow: 0 0 6px var(--ds-brand-glow); }
.chip__hash { color: var(--ds-text-2); font-weight: 700; font-size: 13px; line-height: 1; }
/* Mobile: 상호작용 가능한 필터/버튼형 칩의 터치 타깃 확보 */
@media (max-width: 640px) {
  button.chip {
    padding: 10px 16px; font-size: 13px;
    min-height: 44px; touch-action: manipulation;
  }
}

.tag {
  display: inline-block; padding: 4px 10px; font-size: 12px;
  background: var(--ds-bg-subtle); color: var(--ds-text-2);
  border-radius: var(--r-xs); font-family: var(--font-mono);
}
.tag--brand { background: var(--ds-brand-soft); color: var(--ds-text); font-weight: 600; }

/* ─── Cards ────────────────────────────────────────────────── */
.card {
  background: var(--ds-bg-card);
  border: 1px solid var(--ds-line);
  border-radius: var(--r-lg);
  padding: 36px;
  transition: transform var(--t-base) var(--ease-out),
              box-shadow var(--t-base) var(--ease-out),
              border-color var(--t-base) var(--ease-out);
  display: block; color: inherit;
}
a.card:hover, .card--hoverable:hover {
  transform: translateY(-4px);
  box-shadow: var(--sh-card-hover);
  border-color: var(--ds-line-strong);
}
.card--subtle { background: var(--ds-bg-subtle); }
.card--ink { background: var(--ds-bg-strong); color: var(--ds-text-on-dark); border-color: transparent; }
.card--ink .ds-text-soft { color: rgba(255,255,255,0.7); }
.card--feature { padding: 44px; border-radius: var(--r-xl); }

/* Shortcut card */
.shortcut-card {
  position: relative; display: flex; flex-direction: column;
  justify-content: space-between; min-height: 320px;
  padding: 32px; border-radius: var(--r-xl);
  background: var(--ds-bg-subtle); color: var(--ds-text);
  overflow: hidden; isolation: isolate;
  transition: transform var(--t-base) var(--ease-out), background var(--t-base);
}
.shortcut-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 60%, var(--ds-brand-soft) 100%);
  opacity: 0; transition: opacity var(--t-base);
  z-index: -1;
}
.shortcut-card:hover { transform: translateY(-6px); }
.shortcut-card:hover::before { opacity: 1; }
.shortcut-card .label {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--ds-text-3);
}
.shortcut-card h3 { font-size: 28px; line-height: 1.2; margin: 16px 0 8px; letter-spacing: -0.015em; }
.shortcut-card p { font-size: 14px; color: var(--ds-text-2); margin: 0 0 24px; }
.shortcut-card .arrow {
  align-self: flex-end; width: 44px; height: 44px;
  border-radius: 50%; background: var(--ds-text); color: var(--ds-bg);
  display: grid; place-items: center; transition: transform var(--t-base);
}
.shortcut-card:hover .arrow { transform: rotate(-45deg) scale(1.08); background: var(--ds-brand); color: var(--ds-text-on-brand); }

/* Service card */
.service-card { padding: 36px; border-radius: var(--r-lg); display: flex; flex-direction: column; gap: 16px; min-height: 280px; }
.service-card__icon {
  width: 56px; height: 56px; border-radius: var(--r-md);
  background: var(--ds-brand-soft); color: var(--ds-brand-deep);
  display: grid; place-items: center;
}
.service-card__icon svg { width: 28px; height: 28px; }
.service-card h3 { margin: 0; font-size: 24px; letter-spacing: -0.01em; }
.service-card p { margin: 0; flex: 1; color: var(--ds-text-2); }
.service-card .tags { display: flex; flex-wrap: wrap; gap: 6px; }

/* Article card (blog/press) */
.article-card { display: flex; flex-direction: column; gap: 16px; background: transparent; border: 0; padding: 0; }
.article-card__thumb {
  aspect-ratio: 16/10; border-radius: var(--r-md); overflow: hidden;
  background: var(--ds-bg-subtle); position: relative;
}
.article-card__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-slow) var(--ease-out); }
.article-card:hover .article-card__thumb img { transform: scale(1.04); }
.article-card__meta { display: flex; gap: 12px; font-family: var(--font-mono); font-size: 12px; color: var(--ds-text-3); }
.article-card__meta .cat { color: var(--ds-text-2); }
.article-card h3 {
  margin: 0; font-size: 20px; line-height: 1.35; letter-spacing: -0.01em;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-card p {
  margin: 0; color: var(--ds-text-2); font-size: 14px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.article-card .tags { display: flex; gap: 6px; flex-wrap: wrap; }

/* Featured (large) article card */
.article-card--featured { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: center; }
.article-card--featured .article-card__thumb { aspect-ratio: 4/3; }
.article-card--featured h3 { font-size: 36px; line-height: 1.2; -webkit-line-clamp: 3; }
.article-card--featured p { font-size: 17px; -webkit-line-clamp: 3; }
@media (max-width: 768px) { .article-card--featured { grid-template-columns: 1fr; } }

/* Metric card (ESG / stats) */
.metric-card {
  padding: 28px; border: 1px solid var(--ds-line); border-radius: var(--r-md);
  background: var(--ds-bg);
}
.metric-card .num { font-family: var(--font-head); font-size: 56px; line-height: 1; font-weight: 700; letter-spacing: -0.025em; color: var(--ds-text); }
.metric-card .unit { font-size: 14px; color: var(--ds-text-3); margin-left: 4px; }
.metric-card .label { display: block; margin-top: 12px; color: var(--ds-text-2); font-size: 14px; }

/* Client card */
.client-card {
  padding: 24px; border: 1px solid var(--ds-line); border-radius: var(--r-md);
  background: var(--ds-bg); transition: all var(--t-base) var(--ease-out);
  display: flex; flex-direction: column; gap: 12px; min-height: 140px;
}
.client-card:hover { border-color: var(--ds-brand); transform: translateY(-3px); box-shadow: var(--sh-card); }
.client-card .kind {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--ds-text-3);
}
.client-card .name { font-family: var(--font-head); font-size: 18px; font-weight: 700; letter-spacing: -0.01em; }
.client-card .detail { font-size: 13px; color: var(--ds-text-2); line-height: 1.55; }

/* Press card */
.press-card {
  display: block; padding: 32px; border: 1px solid var(--ds-line);
  border-radius: var(--r-md); background: var(--ds-bg);
  transition: all var(--t-base) var(--ease-out);
}
.press-card:hover { background: var(--ds-bg-subtle); transform: translateY(-3px); }
.press-card .meta { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 16px; font-family: var(--font-mono); font-size: 12px; }
.press-card .meta .src { color: var(--ds-text-2); }
.press-card .meta .date { color: var(--ds-text-3); }
.press-card h3 { margin: 0 0 10px; font-size: 20px; line-height: 1.35; }
.press-card .desc { font-size: 14px; color: var(--ds-text-2); margin: 0 0 20px; }
.press-card .cta { font-family: var(--font-mono); font-size: 12px; color: var(--ds-text-3); display: inline-flex; align-items: center; gap: 6px; }
.press-card:hover .cta { color: var(--ds-text-2); }

/* ─── Anchor Nav (sticky) ──────────────────────────────────── */
.anchor-nav {
  position: sticky; top: var(--header-h); z-index: 40;
  background: color-mix(in srgb, var(--ds-bg) 92%, transparent);
  backdrop-filter: blur(12px) saturate(160%);
  -webkit-backdrop-filter: blur(12px) saturate(160%);
  border-bottom: 1px solid var(--ds-line);
  margin-bottom: 0;
}
.anchor-nav__inner {
  max-width: var(--w-wide); margin: 0 auto; padding: 0 32px;
  display: flex; gap: 0; overflow-x: auto;
  scrollbar-width: none;
}
.anchor-nav__inner::-webkit-scrollbar { display: none; }
.anchor-nav a {
  position: relative; padding: 18px 20px; font-size: 14px;
  color: var(--ds-text-2); white-space: nowrap;
  transition: color var(--t-fast);
}
.anchor-nav a:first-child { padding-left: 0; }
.anchor-nav a:hover { color: var(--ds-text); }
.anchor-nav a.is-active { color: var(--ds-text-2); font-weight: 600; }
.anchor-nav a.is-active::after {
  content: ''; position: absolute; left: 20px; right: 20px; bottom: 0;
  height: 2px; background: var(--ds-text-2);
}
.anchor-nav a:first-child.is-active::after { left: 0; }

/* Mobile: hide already-passed sections; keep the current one (highlighted,
   front) plus the upcoming sections visible. As the active section advances,
   the passed item drops off the left and the strip shifts left, with the new
   active sliding in (relies on scroll-spy .is-active). */
@media (max-width: 900px) {
  .anchor-nav__inner { padding: 0 20px; overflow: hidden; }
  .anchor-nav a { display: none; padding: 16px 12px; font-size: 13px; }
  .anchor-nav a.is-active,
  .anchor-nav a.is-active ~ a { display: block; }
  .anchor-nav a.is-active {
    padding-left: 0; font-weight: 600; color: var(--ds-text-2);
    animation: anchorSwapIn 0.35s var(--ease-out);
  }
  .anchor-nav a.is-active ~ a { color: var(--ds-text-3); }
  .anchor-nav a.is-active::after { display: none; }
}
@keyframes anchorSwapIn {
  from { opacity: 0; transform: translateX(24px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ─── Left Sticky Nav (AI Hub pattern — for long product/service pages) ─ */
.layout-left-nav {
  display: grid; grid-template-columns: 220px 1fr; gap: 64px;
  max-width: var(--w-wide); margin: 0 auto; padding: 0 32px;
}
.left-nav {
  position: sticky; top: calc(var(--header-h) + (var(--header-top, 0px)) + 32px);
  align-self: start; padding: 0; max-height: calc(100vh - 120px); overflow-y: auto;
}
.left-nav__title {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--ds-text-3); margin-bottom: 20px;
}
.left-nav__list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 2px; border-left: 1px solid var(--ds-line); }
.left-nav__list a {
  display: block; padding: 10px 0 10px 20px; margin-left: -1px;
  font-size: 13px; color: var(--ds-text-3); position: relative;
  border-left: 2px solid transparent; transition: color var(--t-fast), border-color var(--t-fast);
}
.left-nav__list a:hover { color: var(--ds-text); }
.left-nav__list a.is-active {
  color: var(--ds-text-2); font-weight: 600;
  border-left-color: var(--ds-text-2);
}
.left-nav__list .num { font-family: var(--font-mono); font-size: 10px; color: var(--ds-text-3); margin-right: 8px; letter-spacing: 0.05em; }
.left-nav__list a.is-active .num { color: var(--ds-text-2); }
.left-nav__cta { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--ds-line); }
@media (max-width: 1024px) {
  .layout-left-nav { grid-template-columns: 1fr; gap: 32px; }
  .left-nav { position: static; max-height: none; }
  .left-nav__list { border-left: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 4px; padding: 16px; background: var(--ds-bg-subtle); border-radius: var(--r-md); }
  .left-nav__list a { padding: 8px 12px; border-left: 0; border-radius: var(--r-sm); }
  .left-nav__list a.is-active { background: var(--ds-bg); border-left: 0; }
  .left-nav__cta { display: none; }
}

/* Device mockups for product detail */
.mockup { position: relative; border-radius: var(--r-lg); overflow: hidden; }
.mockup--browser {
  background: var(--ds-bg-subtle); border: 1px solid var(--ds-line-strong);
  box-shadow: var(--sh-card-hover);
}
.mockup--browser .mockup__bar {
  display: flex; align-items: center; gap: 8px; padding: 12px 16px;
  background: var(--ds-bg-subtle); border-bottom: 1px solid var(--ds-line);
}
.mockup--browser .mockup__dots { display: flex; gap: 6px; }
.mockup--browser .mockup__dots span { width: 10px; height: 10px; border-radius: 50%; }
.mockup--browser .mockup__dots span:nth-child(1) { background: #ff5f57; }
.mockup--browser .mockup__dots span:nth-child(2) { background: #febc2e; }
.mockup--browser .mockup__dots span:nth-child(3) { background: #28c840; }
.mockup--browser .mockup__url {
  flex: 1; background: var(--ds-bg); border: 1px solid var(--ds-line);
  border-radius: var(--r-pill); padding: 4px 14px; font-family: var(--font-mono);
  font-size: 11px; color: var(--ds-text-3); text-align: center;
}
.mockup--browser .mockup__viewport {
  aspect-ratio: 16/10; background: var(--ds-bg);
  display: flex; align-items: center; justify-content: center;
}

.mockup--desktop {
  background: #0a0a0a; padding: 18px; border-radius: var(--r-lg);
  box-shadow: var(--sh-card-hover);
}
.mockup--desktop .mockup__bar {
  display: flex; align-items: center; gap: 8px; padding: 0 0 14px;
}
.mockup--desktop .mockup__bar span { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.2); }
.mockup--desktop .mockup__viewport {
  aspect-ratio: 16/10; background: #fff; border-radius: var(--r-sm); overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}

.mockup--dashboard {
  background: var(--ds-bg); border: 1px solid var(--ds-line-strong);
  border-radius: var(--r-lg); padding: 24px;
  box-shadow: var(--sh-card-hover);
}

/* Page Hero (already exists) — adjust for header + utility bar */
.page-hero {
  padding-top: calc(var(--header-h) + 80px);
  padding-bottom: 80px;
  position: relative; overflow: hidden;
}
.page-hero__inner { max-width: var(--w-wide); margin: 0 auto; padding: 0 32px; position: relative; z-index: 1; }
.page-hero__bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: .5; }
/* Anchor the threads band to the lower portion of the hero (under the title). */
.page-hero__bg--lower { top: 42%; }
@media (prefers-reduced-motion: reduce) { .page-hero__bg { display: none; } }
.page-hero__breadcrumb {
  display: flex; gap: 8px; font-family: var(--font-mono); font-size: 12px;
  color: var(--ds-text-3); margin-bottom: 24px;
}
.page-hero__breadcrumb a:hover { color: var(--ds-brand); }
.page-hero h1 { margin: 0 0 24px; }
.page-hero p { font-size: 19px; color: var(--ds-text-2); max-width: 720px; margin: 0; line-height: 1.6; }

/* ─── Aurora / Grid background ─────────────────────────────── */
.bg-aurora {
  position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0;
}
.bg-aurora::before, .bg-aurora::after {
  content: ''; position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: 0.5; mix-blend-mode: multiply;
}
.bg-aurora::before {
  width: 60vw; height: 60vw; left: -10vw; top: -10vw;
  background: radial-gradient(circle, var(--ds-brand-soft), transparent 60%);
  animation: aurora-1 22s ease-in-out infinite;
}
.bg-aurora::after {
  width: 50vw; height: 50vw; right: -10vw; top: 30vh;
  background: radial-gradient(circle, color-mix(in srgb, var(--ds-brand) 18%, transparent), transparent 60%);
  animation: aurora-2 28s ease-in-out infinite;
}
@keyframes aurora-1 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(8vw,4vh) scale(1.15); } }
@keyframes aurora-2 { 0%,100% { transform: translate(0,0) scale(1.1); } 50% { transform: translate(-6vw,-3vh) scale(0.9); } }

.bg-grid {
  position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(color-mix(in srgb, var(--ds-text) 6%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--ds-text) 6%, transparent) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 75%);
}

/* ─── Marquee ──────────────────────────────────────────────── */
.marquee {
  display: flex; overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 6%, black 94%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 6%, black 94%, transparent);
}
.marquee__track {
  display: flex; flex-shrink: 0; gap: 56px; padding-right: 56px;
  animation: marquee 40s linear infinite; will-change: transform;
  align-items: center;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-100%); } }
.marquee--reverse .marquee__track { animation-direction: reverse; }
.marquee__item { font-family: var(--font-head); font-size: 22px; font-weight: 700; letter-spacing: -0.01em; color: var(--ds-text); display: inline-flex; align-items: center; gap: 24px; flex-shrink: 0; }
.marquee__item::after { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--ds-text-3); }

/* Card marquee variant (team auto-scroll) */
.marquee--cards .marquee__track {
  gap: 32px; padding-right: 32px;
  animation-duration: 55s;      /* 카드가 크므로 기본 40s보다 느리게 */
  align-items: stretch;         /* 기본 center → 카드 상단 정렬 */
}
.team-card { flex-shrink: 0; width: 264px; }
@media (max-width: 640px) { .team-card { width: 220px; } }

/* Threads animated background layer (team section) */
.team-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: .55; }
@media (prefers-reduced-motion: reduce) { .team-bg { display: none; } }

/* Team card photo — light beam traveling around the border on hover */
@property --beam-angle {
  syntax: '<angle>';
  inherits: false;
  initial-value: 0deg;
}
.team-card__photo { position: relative; isolation: isolate; }
.team-card__photo::after {
  content: ''; position: absolute; inset: 0; border-radius: inherit; padding: 2px;
  background: conic-gradient(from var(--beam-angle),
    transparent 0deg 268deg,
    rgba(255, 255, 255, .35) 300deg,
    rgba(255, 255, 255, .9) 336deg,
    #fff 352deg,
    transparent 360deg);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask-composite: exclude;
  opacity: 0; transition: opacity .35s var(--ease-out); pointer-events: none;
}
.team-card:hover .team-card__photo::after { opacity: 1; animation: team-beam 2.4s linear infinite; }
@keyframes team-beam { to { --beam-angle: 360deg; } }

/* ─── Scroll reveal / animations ───────────────────────────── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out); will-change: opacity, transform; }
.reveal.is-in { opacity: 1 !important; transform: translateY(0) !important; }
.reveal[data-reveal-delay="100"] { transition-delay: 100ms; }
.reveal[data-reveal-delay="200"] { transition-delay: 200ms; }
.reveal[data-reveal-delay="300"] { transition-delay: 300ms; }
.reveal[data-reveal-delay="400"] { transition-delay: 400ms; }
.reveal[data-reveal-delay="500"] { transition-delay: 500ms; }
.reveal[data-reveal-delay="600"] { transition-delay: 600ms; }
.reveal[data-reveal-delay="700"] { transition-delay: 700ms; }
.reveal[data-reveal-delay="800"] { transition-delay: 800ms; }

.blur-word {
  display: inline-block; opacity: 0; filter: blur(12px); transform: translateY(20px);
  transition: opacity 0.85s var(--ease-out), filter 0.85s var(--ease-out), transform 0.85s var(--ease-out);
  margin-right: 0.25em; white-space: pre; will-change: opacity, filter, transform;
}
.blur-word.is-in { opacity: 1 !important; filter: blur(0) !important; transform: translateY(0) !important; }

.shiny-text {
  background: linear-gradient(110deg, var(--ds-text) 35%, color-mix(in srgb, var(--ds-text) 30%, white) 50%, var(--ds-text) 65%);
  background-size: 200% 100%;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shine 4s linear infinite;
}
@keyframes shine { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ─── Magnet button + Tilt card ────────────────────────────── */
.magnet { display: inline-block; transition: transform 0.35s var(--ease-out); will-change: transform; }
.magnet__inner { display: inline-block; transition: transform 0.35s var(--ease-out); }
.tilt { transform-style: preserve-3d; transform: perspective(1200px); transition: transform 0.2s ease-out; will-change: transform; }
.tilt__inner { transform-style: preserve-3d; }

/* ─── Carousel ─────────────────────────────────────────────── */
.carousel { position: relative; }
.carousel__viewport { overflow: hidden; }
.carousel__track {
  display: flex; gap: 20px; transition: transform 0.5s var(--ease-out);
  will-change: transform;
}
.carousel__slide { flex: 0 0 calc((100% - 40px) / 3); }
@media (max-width: 1024px) { .carousel__slide { flex: 0 0 calc((100% - 20px) / 2); } }
@media (max-width: 640px)  { .carousel__slide { flex: 0 0 100%; } }
.carousel__controls {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 32px;
}
.carousel__counter { font-family: var(--font-mono); font-size: 13px; color: var(--ds-text-3); }
.carousel__counter .current { color: var(--ds-text); }
.carousel__progress {
  flex: 1; height: 2px; background: var(--ds-line); border-radius: 1px;
  margin: 0 24px; position: relative; overflow: hidden;
}
.carousel__progress-bar {
  position: absolute; left: 0; top: 0; height: 100%;
  background: var(--ds-text); transition: width 0.4s var(--ease-out);
}
.carousel__btns { display: flex; gap: 8px; }
.carousel__btn {
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--ds-line);
  background: var(--ds-bg); display: grid; place-items: center;
  transition: all var(--t-fast);
}
.carousel__btn:hover:not(:disabled) { background: var(--ds-text); color: var(--ds-bg); border-color: var(--ds-text); }
.carousel__btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ─── Timeline ─────────────────────────────────────────────── */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: ''; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 1px;
  background: var(--ds-line-strong);
}
.timeline__item { position: relative; padding-bottom: 36px; }
.timeline__item:last-child { padding-bottom: 0; }
.timeline__dot {
  position: absolute; left: -32px; top: 6px; width: 15px; height: 15px;
  border-radius: 50%; background: var(--ds-text); border: 3px solid var(--ds-bg);
}
.timeline__item--brand .timeline__dot { background: var(--ds-brand); box-shadow: 0 0 0 4px var(--ds-brand-soft); }
.timeline__date { font-family: var(--font-mono); font-size: 12px; color: var(--ds-text-3); }
.timeline__title { font-family: var(--font-head); font-size: 18px; font-weight: 700; margin: 4px 0 6px; }
.timeline__desc { font-size: 14px; color: var(--ds-text-2); line-height: 1.6; }

/* ─── Back to top ──────────────────────────────────────────── */
.back-to-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 50;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--ds-text); color: var(--ds-bg);
  border: 0; display: grid; place-items: center;
  opacity: 0; pointer-events: none;
  transition: opacity var(--t-base), transform var(--t-base);
  transform: translateY(8px); box-shadow: var(--sh-card-hover);
}
.back-to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-to-top:hover { background: var(--ds-brand); }

/* ─── Toast ────────────────────────────────────────────────── */
.toast-host { position: fixed; bottom: 32px; left: 50%; transform: translateX(-50%); z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: var(--ds-text); color: var(--ds-bg);
  padding: 12px 20px; border-radius: var(--r-pill); font-size: 14px;
  box-shadow: var(--sh-overlay);
  opacity: 0; transform: translateY(8px);
  transition: opacity var(--t-base), transform var(--t-base);
}
.toast.is-visible { opacity: 1; transform: translateY(0); }

/* ─── Forms ────────────────────────────────────────────────── */
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 13px; font-weight: 600; color: var(--ds-text-2); }
.field input, .field textarea, .field select {
  padding: 12px 16px; border: 1px solid var(--ds-line);
  border-radius: var(--r-sm); background: var(--ds-bg);
  font-size: 15px; transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--ds-brand); box-shadow: var(--sh-focus);
}
.field textarea { min-height: 140px; resize: vertical; }

/* ─── Home search bar (위키 홈 검색 폼) ─────────────────────
   인라인 스타일을 제거하고 반응형으로: 데스크톱은 적정 폭(720px) 가운데,
   모바일은 입력창이 항상 컨테이너를 넘지 않게(min-width:0) 축소 · 유동 폭. */
.home-search {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  gap: 12px;
}
.home-search input[type="search"] {
  flex: 1 1 auto;
  min-width: 0;          /* 좁은 화면에서 컨테이너 폭을 넘지 않게 축소 허용 (고정폭 버그 해소) */
  width: 100%;
  padding: 16px 20px;
  font: inherit; font-size: 15px;
  border: 1px solid var(--ds-line-strong);
  border-radius: var(--r-pill);
  background: var(--ds-bg);
  color: var(--ds-text);
  outline: none;
  box-shadow: var(--sh-card);
  transition: box-shadow var(--t-base) var(--ease-std);
}
.home-search input[type="search"]::placeholder { color: var(--ds-text-3); opacity: 1; }
.home-search button {
  flex: 0 0 auto;        /* 버튼은 입력창 폭에 영향 주지 않게 고정 */
  padding: 16px 28px;
  border: none;
  border-radius: var(--r-pill);
  background: var(--ds-brand);
  color: var(--ds-brand-ink);
  font-size: 15px; font-weight: 700;
  cursor: pointer; white-space: nowrap;
  transition: background var(--t-fast);
}
.home-search button:hover { background: var(--ds-brand-hover); }
@media (max-width: 640px) {
  .home-search { gap: 10px; }
  .home-search input[type="search"] { padding: 14px 18px; font-size: 14px; }
  .home-search button { padding: 14px 18px; font-size: 14px; }
}
/* 극소형(매우 좁은) 화면: 버튼을 아래 줄로 내려 입력창이 전체 폭을 갖게 */
@media (max-width: 400px) {
  .home-search { flex-wrap: wrap; }
  .home-search input[type="search"] { flex-basis: 100%; }
  .home-search button { width: 100%; }
}

/* ─── Misc ─────────────────────────────────────────────────── */
hr.divider { border: 0; border-top: 1px solid var(--ds-line); margin: 32px 0; }
.kbd {
  display: inline-block; padding: 2px 6px; font-family: var(--font-mono);
  font-size: 11px; background: var(--ds-bg-subtle); border: 1px solid var(--ds-line);
  border-radius: 4px; box-shadow: inset 0 -1px 0 var(--ds-line);
}

/* ─── 404 Not Found ──────────────────────────────────────────── */
.notfound {
  min-height: 60vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
  padding: 96px 24px; gap: 8px;
}
.notfound__code {
  font-family: var(--font-mono, 'IBM Plex Mono', monospace);
  font-size: 72px; font-weight: 500; letter-spacing: -0.02em;
  color: var(--ds-brand, #000); line-height: 1;
}
.notfound h1 { font-size: 28px; font-weight: 700; margin: 8px 0 0; letter-spacing: -0.01em; }
.notfound p { color: var(--ds-text-3, #666); margin: 0 0 8px; }
.notfound__actions { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; justify-content: center; }
.notfound__actions a {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 12px 20px; border-radius: 10px; font-weight: 600; font-size: 14px;
  text-decoration: none; border: 1px solid var(--ds-line, #ddd); color: var(--ds-text, #111);
  background: var(--ds-bg, #fff); transition: background var(--t-base,.15s), color var(--t-base,.15s);
}
.notfound__actions a:hover { background: var(--ds-bg-subtle, #f5f5f5); }
.notfound__actions a--primary { background: var(--ds-brand, #000); color: #fff; border-color: var(--ds-brand, #000); }
.notfound__actions a--primary:hover { opacity: .88; }

/* ═══ 전체 메뉴(햄버거) 풀 스크린 오버레이 — 데스크톱·모바일 공용 ─────────── */
.site-menu-overlay {
  position: fixed; inset: 0; z-index: 1000;
  visibility: hidden; opacity: 0;
  transition: opacity var(--t-base, .2s) ease, visibility var(--t-base, .2s) ease;
}
.site-menu-overlay.is-open { visibility: visible; opacity: 1; }
.site-menu-overlay__scrim {
  position: absolute; inset: 0;
  background: rgba(10, 12, 16, .55); backdrop-filter: blur(2px);
}
.site-menu-overlay__panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(720px, 100%); height: 100%;
  background: var(--ds-bg, #fff); box-shadow: -24px 0 60px rgba(0, 0, 0, .25);
  overflow-y: auto; display: flex; flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--t-base, .22s) ease;
}
.site-menu-overlay.is-open .site-menu-overlay__panel { transform: translateX(0); }
.site-menu-overlay__head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 28px; border-bottom: 1px solid var(--ds-line, #eee);
}
.site-menu-overlay__logo { display: inline-flex; text-decoration: none; }
.site-menu-overlay__close {
  width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--ds-line, #ddd); border-radius: var(--r-sm, 8px);
  background: transparent; color: var(--ds-text, #111); cursor: pointer;
}
.site-menu-overlay__close:hover { background: var(--ds-bg-subtle, #f5f5f5); }
.site-menu-overlay__nav { padding: 28px; display: flex; flex-direction: column; gap: 22px; flex: 1; }
.site-menu-overlay__title {
  font-size: 13px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--ds-text-3, #999); margin: 0 0 4px;
}
.site-menu-overlay__group { display: flex; flex-direction: column; gap: 10px; }
.site-menu-overlay__group-title {
  font-size: 18px; font-weight: 700; color: var(--ds-text, #111); text-decoration: none;
}
.site-menu-overlay__group-title:hover { color: var(--ds-brand, #111); }
.site-menu-overlay__subs {
  display: flex; flex-direction: column; gap: 8px;
  padding-left: 14px; border-left: 1px solid var(--ds-line, #eee);
}
.site-menu-overlay__sub { font-size: 14.5px; color: var(--ds-text-2, #444); text-decoration: none; }
.site-menu-overlay__sub:hover { color: var(--ds-brand, #111); }
@media (max-width: 600px) {
  .site-menu-overlay__nav { padding: 20px; }
}