/* ==========================================================================
   AWC기업인연합회 — Design System
   Corporate Modernism 2.0 — Deep Navy / Water Cyan / Off-White
   Soft elevation, generous radius, confident type. Same component API as
   before (class names unchanged) — this pass reworks the tokens and the
   detailing of every component that consumes them.
   ========================================================================== */

:root {
  /* Colors */
  --surface: #f8faff;
  --surface-dim: #cfdaf2;
  --surface-container-lowest: #ffffff;
  --surface-container-low: #f2f5fc;
  --surface-container: #e9eefa;
  --surface-container-high: #dfe7f8;
  --surface-container-highest: #d6e0f5;
  --on-surface: #111c2d;
  --on-surface-variant: #4a5468;
  --inverse-surface: #101c30;
  --inverse-on-surface: #ecf1ff;
  --outline: #7b869c;
  --outline-variant: #d7deec;
  --primary: #002d5c;
  --on-primary: #ffffff;
  --primary-container: #0d4585;
  --on-primary-container: #d5e3ff;
  --secondary: #4d5f7d;
  --on-secondary: #ffffff;
  --secondary-container: #d0e1fb;
  --on-secondary-container: #38485d;
  --accent: #0ea5c7;
  --on-accent: #002733;
  --accent-container: #d3f1f7;
  --on-accent-container: #06505f;
  --error: #ba1a1a;
  --error-container: #ffdad6;
  --on-error-container: #93000a;
  --background: #f8faff;
  --on-background: #111c2d;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #002d5c 0%, #0d4585 100%);
  --gradient-accent: linear-gradient(90deg, var(--accent) 0%, #5ce1e6 100%);
  --gradient-band: linear-gradient(120deg, #dceffc 0%, #cdf1f7 55%, #b8ecf4 100%);
  --gradient-band-mid: linear-gradient(120deg, #14508c 0%, #1c7fa8 55%, #3dc2dc 100%);
  --gradient-cyan: linear-gradient(135deg, #0ea5c7 0%, #5ce1e6 100%);
  --surface-cyan-tint: #eafafd;

  /* Spacing */
  --container-max: 1280px;
  --gutter: 24px;
  --margin-desktop: 40px;
  --margin-mobile: 20px;
  --section-gap: 80px;
  --stack-sm: 8px;
  --stack-md: 16px;

  /* Radius */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 999px;

  /* Elevation */
  --shadow-sm: 0 1px 2px rgba(3, 20, 43, 0.06), 0 2px 6px rgba(3, 20, 43, 0.05);
  --shadow-md: 0 6px 16px rgba(3, 20, 43, 0.10), 0 2px 6px rgba(3, 20, 43, 0.06);
  --shadow-lg: 0 20px 45px rgba(3, 20, 43, 0.16), 0 6px 14px rgba(3, 20, 43, 0.08);
  --shadow-primary: 0 10px 24px rgba(0, 45, 92, 0.28);

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Reset ---- */
* , *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, p, figure, blockquote, dl, dd, ul, ol {
  margin: 0;
}
ul[class], ol[class] { list-style: none; padding: 0; }
img { max-width: 100%; display: block; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

/* ---- Base ---- */
body {
  font-family: 'Noto Sans KR', 'Malgun Gothic', 'Apple SD Gothic Neo', sans-serif;
  background-color: var(--background);
  color: var(--on-background);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  word-break: keep-all;
  overflow-wrap: break-word;
}

::selection { background: var(--accent-container); color: var(--on-accent-container); }

.label-font { font-family: 'Work Sans', 'Noto Sans KR', sans-serif; }

h1, h2, h3 { font-weight: 700; color: var(--primary); }

.headline-xl {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.headline-lg {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
}
.headline-md {
  font-size: 22px;
  font-weight: 600;
  line-height: 1.4;
}
.body-lg { font-size: 18px; line-height: 1.6; }
.body-md { font-size: 16px; line-height: 1.6; }
.label-md {
  font-family: 'Work Sans', 'Noto Sans KR', sans-serif;
  font-size: 14px;
  font-weight: 500;
  line-height: 20px;
  letter-spacing: 0.03em;
}

@media (min-width: 768px) {
  .headline-xl { font-size: 40px; }
  .headline-lg { font-size: 32px; }
}
@media (min-width: 1024px) {
  .headline-xl { font-size: 48px; letter-spacing: -0.02em; }
  .headline-lg { font-size: 32px; }
  .headline-md { font-size: 24px; }
}

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--margin-mobile);
  padding-right: var(--margin-mobile);
}
@media (min-width: 1024px) {
  .container {
    padding-left: var(--margin-desktop);
    padding-right: var(--margin-desktop);
  }
}

.section { padding-top: var(--section-gap); padding-bottom: var(--section-gap); }
.section-tight { padding-top: calc(var(--section-gap) / 2); padding-bottom: calc(var(--section-gap) / 2); }

main { flex: 1 0 auto; width: 100%; }

/* ---- Icons ---- */
.icon {
  width: 1.25em;
  height: 1.25em;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: -0.2em;
  flex-shrink: 0;
}

/* ---- NavBar ---- */
.navbar {
  width: 100%;
  height: 80px;
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px) saturate(1.4);
  -webkit-backdrop-filter: blur(10px) saturate(1.4);
  box-shadow: var(--shadow-sm);
}
.navbar__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  height: 100%;
  padding: 0 var(--margin-mobile);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--gutter);
}
@media (min-width: 1024px) {
  .navbar__inner { padding: 0 var(--margin-desktop); }
}
.navbar__logo {
  display: flex;
  align-items: center;
  white-space: nowrap;
}
.navbar__logo-img {
  height: 32px;
  width: auto;
  display: block;
  transition: transform 0.25s var(--ease);
}
.navbar__logo:hover .navbar__logo-img { transform: scale(1.05); }
@media (min-width: 480px) {
  .navbar__logo-img { height: 40px; }
}
.navbar__links {
  display: none;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: var(--gutter);
}
@media (min-width: 768px) {
  .navbar__links { display: flex; }
}
.navbar__link {
  position: relative;
  height: auto;
  display: flex;
  align-items: center;
  padding: 8px 2px;
  font-family: 'Work Sans', sans-serif;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--on-surface-variant);
  transition: color 0.2s var(--ease);
}
.navbar__link::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -2px;
  height: 3px;
  border-radius: var(--radius-full);
  background: var(--gradient-accent);
  transition: right 0.25s var(--ease);
}
.navbar__link:hover { color: var(--primary); }
.navbar__link:hover::after { right: 0; }
.navbar__link.is-active {
  color: var(--primary);
  font-weight: 700;
}
.navbar__link.is-active::after { right: 0; transition: none; }
.navbar__actions { display: flex; align-items: center; gap: 12px; }
.navbar__toggle {
  display: flex;
  background: none;
  border: none;
  padding: 8px;
  border-radius: var(--radius-sm);
  color: var(--primary);
  transition: background-color 0.2s var(--ease);
}
.navbar__toggle:hover { background: var(--surface-container-low); }
@media (min-width: 768px) {
  .navbar__toggle { display: none; }
}
.navbar__mobile-menu {
  display: none;
  flex-direction: column;
  box-shadow: var(--shadow-md);
  background: var(--surface-container-lowest);
}
.navbar__mobile-menu.is-open { display: flex; }
.navbar__mobile-menu .navbar__link {
  height: auto;
  padding: 14px var(--margin-mobile);
  border-bottom: 1px solid var(--surface-container);
  border-left: 4px solid transparent;
}
.navbar__mobile-menu .navbar__link::after { display: none; }
.navbar__mobile-menu .navbar__link.is-active {
  border-left-color: var(--accent);
  background: var(--surface-container-low);
}
@media (min-width: 768px) {
  .navbar__mobile-menu { display: none !important; }
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-full);
  font-family: 'Work Sans', sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 13px 26px;
  border: 1px solid transparent;
  transition: transform 0.2s var(--ease), box-shadow 0.25s var(--ease), background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), opacity 0.2s var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient-primary);
  color: var(--on-primary);
  border-color: transparent;
  box-shadow: var(--shadow-primary);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 32px rgba(0, 45, 92, 0.34); }
.btn-primary:active { transform: translateY(0); }
.btn-secondary {
  background: var(--surface-container-lowest);
  color: var(--primary);
  border-color: var(--outline-variant);
  box-shadow: var(--shadow-sm);
}
.btn-secondary:hover { border-color: var(--primary); background: var(--surface-container-low); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

/* ---- Hero ---- */
.hero {
  position: relative;
  width: 100%;
  min-height: 460px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--primary);
  color: var(--on-primary);
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: url('../img/메인이미지.jpg') center 60% / cover no-repeat;
  animation: hero-zoom 20s var(--ease) infinite alternate;
}
.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(0,10,26,0.90) 0%, rgba(0,30,64,0.72) 40%, rgba(0,30,64,0.4) 72%, rgba(0,30,64,0.22) 100%);
}
.wave-divider {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  width: 100%;
  line-height: 0;
  overflow: hidden;
  z-index: 2;
  pointer-events: none;
}
.wave-divider svg { display: block; width: 100%; height: 48px; }
@media (min-width: 768px) { .wave-divider svg { height: 80px; } }
.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
  padding: var(--section-gap) var(--margin-mobile);
  animation: fade-up 0.7s var(--ease) both;
}
@media (min-width: 1024px) {
  .hero__content { padding: var(--section-gap) var(--margin-desktop); }
}
.hero__rule {
  width: 0;
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--gradient-accent);
  margin-bottom: var(--stack-md);
  animation: rule-grow-56 0.6s var(--ease) 0.4s both;
}
@keyframes rule-grow-56 {
  from { width: 0; }
  to { width: 56px; }
}
.hero__title { color: var(--on-primary); max-width: 720px; }

/* Applied via JS right after content is injected into an initially-empty
   container (activity-detail.js), so the fade plays exactly when the
   content appears rather than while the container is still empty. */
.fade-in-up { animation: fade-up 0.6s var(--ease) both; }

@keyframes fade-up {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes hero-zoom {
  from { transform: scale(1); }
  to { transform: scale(1.08); }
}

/* ---- Scroll reveal (static sections, toggled by IntersectionObserver in main.js) ---- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
[data-reveal].is-revealed { opacity: 1; transform: translateY(0); }
[data-reveal][data-reveal-delay="1"] { transition-delay: 0.12s; }
[data-reveal][data-reveal-delay="2"] { transition-delay: 0.24s; }
[data-reveal][data-reveal-delay="3"] { transition-delay: 0.36s; }

/* ---- Card grid entrance (dynamic lists — plays automatically on every render) ---- */
@keyframes card-in {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.member-card, .activity-card { animation: card-in 0.5s var(--ease) both; }
:where(.grid-members, .bento) > *:nth-child(1) { animation-delay: 0s; }
:where(.grid-members, .bento) > *:nth-child(2) { animation-delay: .06s; }
:where(.grid-members, .bento) > *:nth-child(3) { animation-delay: .12s; }
:where(.grid-members, .bento) > *:nth-child(4) { animation-delay: .18s; }
:where(.grid-members, .bento) > *:nth-child(5) { animation-delay: .24s; }
:where(.grid-members, .bento) > *:nth-child(6) { animation-delay: .30s; }
:where(.grid-members, .bento) > *:nth-child(7) { animation-delay: .36s; }
:where(.grid-members, .bento) > *:nth-child(8) { animation-delay: .42s; }
:where(.grid-members, .bento) > *:nth-child(9) { animation-delay: .48s; }

/* ---- Icon nudge on hover (CTA affordance) ---- */
span[data-icon] { transition: transform 0.25s var(--ease); }
.btn:hover span[data-icon="arrow-right"],
.link-inline:hover span[data-icon="arrow-right"] { transform: translateX(4px); }
.btn:hover span[data-icon="chevron-down"] { transform: translateY(3px); }
.btn:hover span[data-icon="download"] { transform: translateY(2px); }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { transition: none; opacity: 1; transform: none; }
  .member-card, .activity-card { animation: none; }
  .hero__content, .hero__bg, .page-header-band__bg { animation: none; }
  .page-header-band > .container { animation: none; }
  .empty-state__icon { animation: none; }
  .hero__rule { animation: none; width: 56px; }
  .chairman__rule { transition: none; width: 48px; }
  .modal__icon { animation: none; }
  .admin-panel.is-active { animation: none; }
  .admin-form-panel.is-open { animation: none; }
  .upload-zone__filename { animation: none; }
}

/* ---- Grid helpers ---- */
.grid { display: grid; gap: var(--gutter); }
.grid-3 { grid-template-columns: repeat(1, 1fr); }
@media (min-width: 768px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
.grid-12 { grid-template-columns: repeat(12, 1fr); }
.grid-members { grid-template-columns: repeat(1, 1fr); }
@media (min-width: 640px) { .grid-members { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-members { grid-template-columns: repeat(3, 1fr); } }

/* ---- Cards ---- */
.card {
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.25s var(--ease), box-shadow 0.3s var(--ease), transform 0.3s var(--ease), opacity 0.5s var(--ease);
}
.card:hover { border-color: transparent; box-shadow: var(--shadow-lg); transform: translateY(-4px); }

.pillar-card { padding: 32px; }
.pillar-card .icon-wrap {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: var(--gradient-cyan);
  color: var(--on-primary);
  border-radius: var(--radius);
  margin-bottom: 20px;
  box-shadow: 0 10px 24px rgba(14, 165, 199, 0.35);
  transition: transform 0.3s var(--ease);
}
.pillar-card:hover .icon-wrap { transform: scale(1.08) rotate(-4deg); }
.pillar-card .icon-wrap .icon { width: 28px; height: 28px; }

/* ---- Full-bleed tinted section band (alternates with the white page background) ---- */
.section-band {
  width: 100%;
  background: linear-gradient(180deg, var(--surface-cyan-tint) 0%, var(--surface-container-low) 100%);
  padding: var(--section-gap) 0;
  position: relative;
  overflow: hidden;
}

/* ---- Vision showcase band: clean white feature section ---- */
.vision-band {
  width: 100%;
  position: relative;
  overflow: hidden;
  background: var(--background);
  padding: var(--section-gap) 0 calc(var(--section-gap) + 48px);
}
.vision-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 88% 78%, rgba(14,165,199,0.10) 0%, transparent 50%);
  pointer-events: none;
}
.vision-band__kicker { color: var(--on-accent-container); letter-spacing: 0.14em; margin-bottom: 8px; position: relative; }
.vision-band__title { color: var(--primary); position: relative; }
.vision-band__subtitle { color: var(--on-surface-variant); margin-top: 8px; position: relative; }
.vision-band__frame {
  position: relative;
  background: var(--surface-container-lowest);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 16px;
}

/* ---- Page header band: photo banner (same pattern as .hero__bg) atop listing pages ---- */
.page-header-band {
  width: 100%;
  min-height: 460px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--gradient-band);
}
.page-header-band__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  animation: hero-zoom 20s var(--ease) infinite alternate;
}
/* Light tint — lets the photo read through more (used on activities.html,
   the palest step of the index → members → activities intensity scale). */
.page-header-band__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(6,40,70,0.66) 0%, rgba(10,70,110,0.58) 45%, rgba(14,165,199,0.42) 100%);
}
/* Mid tint — darker/more saturated wash (members.html), between the light
   tint above and the dark hero overlay on index.html. */
.page-header-band--mid .page-header-band__bg::after {
  background: linear-gradient(115deg, rgba(4,26,48,0.82) 0%, rgba(10,60,100,0.72) 45%, rgba(14,165,199,0.52) 100%);
}
.page-header-band > .container { position: relative; z-index: 1; width: 100%; padding-top: 56px; padding-bottom: 88px; animation: fade-up 0.7s var(--ease) both; }

/* ---- Chairman section ---- */
.chairman {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gutter);
  align-items: center;
}
@media (min-width: 1024px) {
  .chairman { grid-template-columns: 5fr 7fr; }
}
.chairman__portrait {
  width: 100%;
  max-width: 420px;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  border: 1px solid var(--outline-variant);
  background: var(--surface-container-low);
  object-fit: cover;
  object-position: center;
  display: block;
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
}
.chairman__rule {
  width: 0;
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--gradient-accent);
  margin: 12px 0 20px;
  transition: width 0.6s var(--ease) 0.3s;
}
[data-reveal].is-revealed .chairman__rule { width: 48px; }

/* ---- Activities Bento ---- */
.bento { grid-template-columns: repeat(1, 1fr); }
@media (min-width: 768px) { .bento { grid-template-columns: repeat(12, 1fr); } }
.bento-item { grid-column: span 1; }
@media (min-width: 768px) {
  .bento-item--wide { grid-column: span 8; }
  .bento-item--narrow { grid-column: span 4; }
}
.activity-card { overflow: hidden; display: flex; flex-direction: column; }
.activity-card__media {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  background: linear-gradient(135deg, #0d3a66 0%, #0e6f96 55%, #0ea5c7 100%);
}
.activity-card__media svg { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.4; }
/* cover (not contain) so every thumbnail fills the same box edge-to-edge —
   uploaded photos come in wildly different aspect ratios, and letterboxing
   them made the grid look inconsistent. object-position keeps the crop
   centered, which is a reasonable default for event/portrait photos. */
.activity-card__media img { width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; transition: transform 0.4s ease; }
.activity-card__media:hover img { transform: scale(1.03); }
.bento-item--wide .activity-card__media { height: 320px; }
.bento-item--narrow .activity-card__media { height: 180px; }
.activity-card__body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.activity-card__date { color: var(--secondary); margin-bottom: 8px; }
.activity-card__desc { color: var(--on-surface-variant); flex: 1; }
.badge {
  position: absolute;
  top: 16px; left: 16px;
  background: var(--gradient-primary);
  color: var(--on-primary);
  font-family: 'Work Sans', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
}
.badge--alt { background: var(--accent-container); color: var(--on-accent-container); }
.activity-card--text {
  position: relative;
  overflow: hidden;
  background: var(--surface-container-low);
  padding: 28px;
  justify-content: center;
}
.activity-card--text::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--gradient-cyan);
}
.activity-card--text > span[data-icon] {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--gradient-cyan);
  color: var(--on-primary);
  box-shadow: 0 8px 16px rgba(14, 165, 199, 0.32);
  margin-bottom: 12px;
  transition: transform 0.3s var(--ease);
}
.activity-card--text > span[data-icon] .icon { width: 22px; height: 22px; }
.activity-card--text:hover > span[data-icon] { transform: scale(1.08) rotate(-4deg); }
.link-inline {
  color: var(--accent);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 12px;
}
.link-inline:hover { text-decoration: underline; }
.activity-card.is-hidden { display: none; }

/* ---- Member cards ---- */
.member-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--radius-lg);
}
.member-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--gradient-cyan);
  z-index: 1;
}
.member-card:hover {
  box-shadow: 0 24px 48px rgba(14, 165, 199, 0.20), 0 8px 20px rgba(3, 20, 43, 0.10);
}
.member-card__media {
  height: 116px;
  display: flex; align-items: center; justify-content: center;
  background: #ffffff;
  border-bottom: 1px solid var(--outline-variant);
  padding: 16px;
}
.member-card__media .icon { width: 22px; height: 22px; transition: transform 0.3s var(--ease); }
.member-card__media > span[data-icon] {
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--gradient-cyan);
  color: var(--on-primary);
  box-shadow: 0 8px 16px rgba(14, 165, 199, 0.32);
  transition: transform 0.3s var(--ease);
}
.member-card__media img { max-width: 100%; max-height: 100%; object-fit: contain; transition: transform 0.3s var(--ease); }
.member-card:hover .member-card__media img,
.member-card:hover .member-card__media > span[data-icon] { transform: scale(1.06); }
.member-card__body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.member-card__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.member-card__tag {
  display: inline-block;
  flex-shrink: 0;
  font-family: 'Work Sans', sans-serif;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  background: var(--surface-container-highest);
  color: var(--on-surface);
  white-space: nowrap;
  width: fit-content;
}
.member-card__tag--engineering { background: #d3e4fe; color: #1f3a5c; }
.member-card__tag--solution { background: var(--gradient-cyan); color: var(--on-primary); }
.member-card__tag--operations { background: var(--surface-dim); color: var(--on-surface); }
.member-card__name { margin-bottom: 16px; }
.member-card__meta { list-style: none; margin: 0 0 20px; padding: 0; display: flex; flex-direction: column; gap: 10px; flex: 1; text-align: left; }
.member-card__meta li { display: flex; align-items: center; gap: 10px; color: var(--on-surface-variant); }
.member-card__meta .icon { width: 18px; height: 18px; color: var(--outline); flex-shrink: 0; }
.member-card.is-hidden { display: none; }

/* ---- Search / filter panel ---- */
/* Floats up over the header band's wave divider — negative margin pulls it
   into the band above, a common "floating search card" pattern. */
.filter-panel {
  position: relative;
  z-index: 3;
  overflow: hidden;
  background: var(--surface-container-lowest);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 28px 24px 24px;
  margin-top: 32px;
}
@media (min-width: 768px) {
  .filter-panel { margin-top: 40px; padding: 32px 32px 28px; }
}
.filter-panel::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--gradient-cyan);
}
.filter-grid { display: grid; grid-template-columns: 1fr; gap: var(--gutter); align-items: end; }
@media (min-width: 1024px) {
  .filter-grid { grid-template-columns: 6fr 4fr 2fr; }
}
.field label { display: block; font-family: 'Work Sans', sans-serif; font-size: 14px; font-weight: 500; margin-bottom: 8px; }
.field-input-wrap { position: relative; }
.field-input-wrap > span[data-icon] {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  color: var(--outline);
  display: inline-flex;
  pointer-events: none;
}
.field-input-wrap > select ~ span[data-icon] { left: auto; right: 14px; }
.filter-panel .input { border-radius: var(--radius-full); }
.filter-panel .field-input-wrap input.input { padding-left: 48px; }
.input, select.input {
  width: 100%;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  background: var(--surface-container-lowest);
  outline: none;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
  appearance: none;
}
.input:focus { border-color: var(--primary); box-shadow: 0 0 0 4px var(--secondary-container); }
.field-input-wrap input.input { padding-left: 44px; }
.field-input-wrap select.input { padding-left: 16px; padding-right: 40px; }

.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.tag-btn {
  border: 1px solid var(--outline-variant);
  background: var(--surface-container-lowest);
  color: var(--on-surface-variant);
  font-family: 'Work Sans', sans-serif;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  transition: transform 0.2s var(--ease), background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.tag-btn:hover { background: var(--surface-container-low); color: var(--on-surface); transform: translateY(-1px); }
.tag-btn.is-active { border-color: transparent; background: var(--gradient-cyan); color: var(--on-primary); box-shadow: var(--shadow-sm); }

.count-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px;
  background: var(--surface-container-low);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-full);
}
.count-badge strong { color: var(--primary); font-size: 20px; }

.empty-state {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 64px 20px;
  color: var(--on-surface-variant);
}
.empty-state.is-visible { display: flex; }
.empty-state__icon {
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-full);
  background: var(--surface-container-low);
  color: var(--outline);
  margin-bottom: var(--stack-md);
  animation: empty-pop 0.5s var(--ease) both;
}
.empty-state__icon .icon { width: 24px; height: 24px; }
@keyframes empty-pop {
  0% { opacity: 0; transform: scale(0.6); }
  70% { opacity: 1; transform: scale(1.08); }
  100% { opacity: 1; transform: scale(1); }
}

/* ---- Pagination ---- */
.pagination { display: flex; justify-content: center; align-items: center; gap: 6px; margin-top: 48px; }
.pagination button {
  min-width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border: none; background: transparent;
  border-radius: var(--radius-full);
  color: var(--on-surface-variant);
  font-family: 'Work Sans', sans-serif; font-weight: 500;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}
.pagination button:hover:not(:disabled) { background: var(--surface-container-low); transform: translateY(-1px); }
.pagination button.is-active { background: var(--gradient-primary); color: var(--on-primary); box-shadow: var(--shadow-sm); }
.pagination button:disabled { color: var(--outline-variant); cursor: not-allowed; }

/* ---- Timeline (about page not used, kept for activities alt) ---- */

/* ---- Forms (join page) ---- */
.form-shell {
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 32px 24px;
}
@media (min-width: 768px) { .form-shell { padding: 48px; } }
.form-shell h2 { border-bottom: 1px solid var(--outline-variant); padding-bottom: 16px; margin-bottom: 24px; }
fieldset { border: none; padding: 0; margin: 0 0 32px; }
legend {
  font-family: 'Work Sans', sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--primary);
  margin-bottom: 16px;
  padding: 0;
}
.form-grid { display: grid; grid-template-columns: 1fr; gap: var(--gutter); }
@media (min-width: 768px) { .form-grid { grid-template-columns: 1fr 1fr; } }
.form-grid .full { grid-column: 1 / -1; }
.form-field label { display: block; font-family: 'Work Sans', sans-serif; font-size: 14px; font-weight: 500; color: var(--on-surface-variant); margin-bottom: 8px; }
.form-field .input { padding: 12px 14px; }
.form-field .error-msg { display: none; color: var(--error); font-size: 13px; margin-top: 6px; }
.form-field.has-error .input { border-color: var(--error); }
.form-field.has-error .error-msg { display: block; }

.upload-zone {
  border: 2px dashed var(--outline-variant);
  border-radius: var(--radius-md);
  background: var(--surface-container-low);
  text-align: center;
  padding: 36px 20px;
  cursor: pointer;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.upload-zone:hover, .upload-zone.is-dragover { background: var(--surface-container); border-color: var(--primary); }
.upload-zone .icon { width: 40px; height: 40px; color: var(--outline); margin-bottom: 10px; transition: transform 0.3s var(--ease), color 0.3s var(--ease); }
.upload-zone:hover .icon, .upload-zone.is-dragover .icon { transform: translateY(-4px); color: var(--primary); }
.upload-zone__filename { margin-top: 10px; font-weight: 600; color: var(--primary); animation: fade-up 0.35s var(--ease) both; }

.checkbox-row { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 16px; }
.checkbox-row input[type="checkbox"] { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--primary); flex-shrink: 0; }
.checkbox-row a { color: var(--primary); text-decoration: underline; }

/* Multi-select "checkbox chip" group (used for 전문분야 — 중복 선택 가능) */
.checkbox-group { display: flex; flex-wrap: wrap; gap: 10px; }
.checkbox-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-full);
  padding: 10px 16px;
  cursor: pointer;
  background: var(--surface-container-lowest);
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}
.checkbox-chip:hover { background: var(--surface-container-low); }
.checkbox-chip:has(input:checked) { border-color: var(--primary); background: var(--surface-container-low); }
.checkbox-chip input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--primary); flex-shrink: 0; }
.form-field.has-error .checkbox-chip { border-color: var(--error); }

.form-submit-wrap {
  margin-top: var(--section-gap);
  padding-top: 32px;
  border-top: 1px solid var(--outline-variant);
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ---- Modal ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 30, 64, 0.45);
  backdrop-filter: blur(2px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--margin-mobile);
}
.modal-overlay.is-open { display: flex; }
.modal {
  position: relative;
  background: var(--surface-container-lowest);
  border-radius: var(--radius-lg);
  border: 1px solid var(--outline-variant);
  max-width: 420px;
  width: 100%;
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  animation: fade-up 0.3s var(--ease) both;
}
.modal__icon {
  width: 72px; height: 72px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: var(--gradient-primary);
  box-shadow: var(--shadow-primary);
  display: flex; align-items: center; justify-content: center;
  animation: empty-pop 0.5s var(--ease) 0.15s both;
}
.modal__icon .icon { width: 36px; height: 36px; color: var(--on-primary); }
.modal p { color: var(--on-surface-variant); margin-bottom: 32px; }
.modal__close {
  position: absolute;
  top: 16px; right: 16px;
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  color: var(--outline);
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}
.modal__close:hover { background: var(--surface-container-low); color: var(--on-surface); }
.modal__close .icon { width: 18px; height: 18px; }
.modal [data-inquiry-form] { text-align: left; }
.modal [data-inquiry-form] .form-field + .form-field { margin-top: 16px; }
.modal textarea.input { resize: vertical; min-height: 96px; }

/* ---- Simple/transactional header (join page) ---- */
.subnav {
  width: 100%;
  height: 80px;
  box-shadow: var(--shadow-sm);
  background: var(--surface-container-lowest);
}
.subnav__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  height: 100%;
  padding: 0 var(--margin-mobile);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
@media (min-width: 1024px) { .subnav__inner { padding: 0 var(--margin-desktop); } }
.subnav__close { display: flex; align-items: center; gap: 6px; color: var(--on-surface-variant); }
.subnav__close:hover { color: var(--primary); }

/* ---- Footer ---- */
.site-footer {
  width: 100%;
  background: var(--gradient-primary);
  color: var(--on-primary);
  padding: var(--section-gap) 0;
  margin-top: auto;
  border-top: 3px solid transparent;
  border-image: var(--gradient-accent) 1;
}
.site-footer .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gutter);
}
@media (min-width: 1024px) { .site-footer .container { grid-template-columns: 4fr 8fr; } }
.site-footer__brand { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.site-footer__desc { color: #b7c8e1; }
.site-footer__desc a:hover { text-decoration: underline; }
.site-footer__links {
  display: flex; flex-wrap: wrap; gap: 24px;
  align-items: center;
}
@media (min-width: 1024px) { .site-footer__links { justify-content: flex-end; } }
.site-footer__links a {
  position: relative;
  color: #b7c8e1;
  padding-bottom: 2px;
  transition: color 0.2s var(--ease);
}
.site-footer__links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--gradient-accent);
  transition: right 0.25s var(--ease);
}
.site-footer__links a:hover { color: var(--on-primary); }
.site-footer__links a:hover::after { right: 0; }
.site-footer__bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(183, 200, 225, 0.25);
  color: #b7c8e1;
  font-size: 14px;
}
@media (min-width: 768px) {
  .site-footer .container { position: relative; }
  .site-footer__bottom { grid-column: 1 / -1; }
}

/* ---- Utility ---- */
.text-center { text-align: center; }
.mt-stack-md { margin-top: var(--stack-md); }
.mb-stack-md { margin-bottom: var(--stack-md); }
.max-w-prose { max-width: 720px; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
/* Honeypot spam-trap field: hidden from sighted users AND screen readers (unlike
   .visually-hidden, which stays exposed to assistive tech). Real visitors never
   see or fill it; bots that auto-fill every field do, which flags them as spam. */
.hp-field {
  position: absolute; left: -9999px; top: -9999px;
  width: 1px; height: 1px; overflow: hidden;
}

/* ==========================================================================
   Legal documents (terms / privacy / consent)
   ========================================================================== */
.legal-doc { max-width: 800px; margin: 0 auto; }
.legal-doc__updated { color: var(--on-surface-variant); margin-bottom: var(--section-gap); }
.legal-doc section { margin-bottom: 40px; }
.legal-doc h2 {
  font-size: 20px;
  line-height: 1.4;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--outline-variant);
}
.legal-doc h3 { font-size: 16px; color: var(--on-surface); margin: 20px 0 8px; }
.legal-doc p { color: var(--on-surface-variant); margin-bottom: 12px; }
.legal-doc ol, .legal-doc ul { color: var(--on-surface-variant); padding-left: 20px; margin-bottom: 12px; }
.legal-doc li { margin-bottom: 8px; }
.legal-doc table { width: 100%; border-collapse: collapse; margin: 12px 0 20px; font-size: 14px; }
.legal-doc th, .legal-doc td {
  border: 1px solid var(--outline-variant);
  padding: 10px 14px;
  text-align: left;
  color: var(--on-surface-variant);
  vertical-align: top;
}
.legal-doc th { background: var(--surface-container-low); color: var(--on-surface); font-weight: 600; }
.legal-doc__placeholder { color: var(--primary); font-weight: 600; }
.legal-doc__footer-note {
  margin-top: var(--section-gap);
  padding-top: 24px;
  border-top: 1px solid var(--outline-variant);
  color: var(--on-surface-variant);
  font-size: 14px;
}

/* ==========================================================================
   Admin (management.html) — not linked from public nav, direct-URL only.
   ========================================================================== */

.admin-body { background: var(--surface-container-low); }

/* ---- Admin password gate ---- */
.admin-gate {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--margin-mobile);
  background: var(--gradient-primary);
}
.admin-gate__box {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-lg);
  border: 1px solid var(--outline-variant);
  max-width: 360px;
  width: 100%;
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.admin-gate__icon {
  width: 64px; height: 64px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--gradient-cyan);
  box-shadow: var(--shadow-primary);
  display: flex; align-items: center; justify-content: center;
}
.admin-gate__icon .icon { width: 30px; height: 30px; color: var(--on-primary); }
.admin-gate__box .form-field { text-align: left; }

.admin-topbar {
  width: 100%;
  background: var(--inverse-surface);
  color: var(--inverse-on-surface);
  border-bottom: 3px solid transparent;
  border-image: var(--gradient-accent) 1;
}
.admin-topbar__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 16px var(--margin-mobile);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
}
@media (min-width: 1024px) { .admin-topbar__inner { padding: 16px var(--margin-desktop); } }
.admin-topbar__title { font-weight: 700; font-size: 18px; display: flex; align-items: center; gap: 10px; }
.admin-topbar__badge {
  font-family: 'Work Sans', sans-serif; font-size: 12px; font-weight: 600;
  padding: 3px 10px; border-radius: var(--radius-full);
  background: rgba(255,255,255,0.12); color: var(--inverse-on-surface);
}
.admin-topbar__link { display: inline-flex; align-items: center; gap: 6px; color: var(--inverse-on-surface); opacity: 0.85; font-size: 14px; }
.admin-topbar__link:hover { opacity: 1; text-decoration: underline; }

.admin-notice {
  background: var(--secondary-container);
  color: var(--on-secondary-container);
  border-bottom: 1px solid var(--outline-variant);
  font-size: 14px;
  padding: 10px var(--margin-mobile);
  text-align: center;
}
@media (min-width: 1024px) { .admin-notice { padding: 10px var(--margin-desktop); } }

/* ---- Tabs ---- */
.admin-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.admin-tab {
  border: 1px solid var(--outline-variant);
  background: var(--surface-container-lowest);
  color: var(--on-surface-variant);
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-family: 'Work Sans', sans-serif; font-weight: 600; font-size: 14px;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.admin-tab:hover { background: var(--surface-container-low); }
.admin-tab.is-active { background: var(--gradient-primary); border-color: transparent; color: var(--on-primary); box-shadow: var(--shadow-sm); }
.admin-panel { display: none; }
.admin-panel.is-active { display: block; animation: fade-up 0.35s var(--ease) both; }

/* ---- Stat row ---- */
.stat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gutter); margin-bottom: var(--section-gap); }
@media (min-width: 768px) { .stat-grid { grid-template-columns: repeat(4, 1fr); } }
.stat-card {
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 20px;
  transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}
.stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.stat-card__value { font-size: 32px; font-weight: 700; color: var(--primary); line-height: 1.2; }
.stat-card__label { color: var(--on-surface-variant); font-size: 14px; margin-top: 4px; }

/* ---- Admin section header ---- */
.admin-section-head {
  display: flex; flex-wrap: wrap; gap: 16px;
  align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}

/* ---- Admin table ---- */
.table-wrap { overflow-x: auto; background: var(--surface-container-lowest); border: 1px solid var(--outline-variant); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
.admin-table { width: 100%; border-collapse: collapse; min-width: 640px; }
.admin-table th, .admin-table td {
  text-align: left; padding: 14px 16px; font-size: 14px;
  border-bottom: 1px solid var(--outline-variant);
  vertical-align: middle;
}
.admin-table tbody tr { transition: background-color 0.2s var(--ease); }
.admin-table th {
  font-family: 'Work Sans', sans-serif; font-weight: 600; color: var(--on-surface-variant);
  background: var(--surface-container-low);
  white-space: nowrap;
}
.admin-table tbody tr:last-child td { border-bottom: none; }
.admin-table tbody tr:hover { background: var(--surface-container-low); }
.admin-table td.nowrap { white-space: nowrap; }
.admin-table__actions { display: flex; align-items: center; gap: 6px; white-space: nowrap; }

.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px;
  border: 1px solid var(--outline-variant);
  background: var(--surface-container-lowest);
  border-radius: var(--radius-sm);
  color: var(--on-surface-variant);
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.icon-btn:hover { background: var(--surface-container-low); color: var(--primary); }
.icon-btn.icon-btn--danger:hover { color: var(--error); border-color: var(--error); }
.icon-btn .icon { width: 16px; height: 16px; }

.table-empty { padding: 40px 16px; text-align: center; color: var(--on-surface-variant); }

/* ---- Status badges ---- */
.status-badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-family: 'Work Sans', sans-serif; font-size: 12px; font-weight: 600;
  padding: 4px 10px; border-radius: var(--radius-full);
}
.status-badge--new { background: var(--error-container); color: var(--on-error-container); }
.status-badge--done { background: var(--secondary-container); color: var(--on-secondary-container); }

/* ---- Admin add/edit form panel ---- */
.admin-form-panel {
  background: var(--surface-container-lowest);
  border: 1px solid var(--primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 24px;
  margin-bottom: 24px;
  display: none;
}
.admin-form-panel.is-open { display: block; animation: fade-up 0.3s var(--ease) both; }
.admin-form-panel__title { font-weight: 700; color: var(--primary); margin-bottom: 16px; }
.admin-form-grid { display: grid; grid-template-columns: 1fr; gap: var(--gutter); margin-bottom: var(--gutter); }
@media (min-width: 768px) { .admin-form-grid { grid-template-columns: 1fr 1fr; } }
.admin-form-grid .full { grid-column: 1 / -1; }
.admin-form-grid label { display: block; font-family: 'Work Sans', sans-serif; font-size: 13px; font-weight: 500; color: var(--on-surface-variant); margin-bottom: 6px; }
.admin-form-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---- Backup panel ---- */
.backup-actions { display: flex; flex-wrap: wrap; gap: 12px; }