/* ==========================================================================
   YHS2020 — design tokens
   ========================================================================== */
:root {
  --color-bg: #FFFFFF;
  --color-text: #242320;
  --color-heading: #1A1917;
  --color-muted: #6B675F;
  --color-muted-2: #78746C;
  --color-muted-3: #4A4740;

  --color-border: #E8E8E8;
  --color-border-2: #EAEAEA;
  --color-border-3: #DCDCDC;
  --color-border-4: #ECECEC;

  --color-accent: #FF385C;
  --color-accent-hover: #E11F47;
  --color-accent-dark: #C4165A;
  --color-accent-dark-hover: #F02350;
  --color-accent-light: #FF5C74;

  --cream: #F8F1E7;
  --maroon: #BE2B34;
  --maroon-text: #EFC2C5;
  --maroon-text-2: #F6DCDD;

  --dark: #1A1917;
  --dark-hover: #36342E;
  --footer-text: #EAE8E3;
  --footer-muted: #A8A49B;
  --footer-border: #312F2A;

  --kakao-yellow: #FAE100;
  --kakao-yellow-hover: #F2D900;
  --kakao-dark: #2A1B00;

  --badge-pink-bg: #FFE9EE;
  --badge-pink-text: #C4165A;
  --badge-blue-bg: #E7EDF4;
  --badge-blue-text: #3A5A78;
  --badge-green-bg: #E9F0E9;
  --badge-green-text: #3B6647;
  --badge-gray-bg: #F0F0F0;
  --badge-gray-text: #4A4740;

  --placeholder-a: #E9E9E9;
  --placeholder-b: #DCDCDC;
  --placeholder-pattern: repeating-linear-gradient(135deg, var(--placeholder-a) 0 10px, var(--placeholder-b) 10px 20px);

  --font-sans: "Pretendard Variable", Pretendard, system-ui, -apple-system, "Malgun Gothic", sans-serif;
  --font-serif: "Gowun Batang", serif;

  --pad-x: 20px;
  --pad-y: 44px;
  --container-max: 1440px;

  --transition-fast: 150ms ease;
}

@media (min-width: 900px) {
  :root {
    --pad-x: clamp(40px, 9vw, 140px);
    --pad-y: 96px;
  }
}

/* ==========================================================================
   Reset
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: var(--color-accent); text-decoration: none; }
button { font-family: inherit; }
h1, h2, h3, h4, p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

.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;
}

/* image placeholder — swap for real <img>/background photos when assets land */
.ph {
  position: relative;
  background: var(--placeholder-pattern);
  overflow: hidden;
}
.ph__tag {
  position: absolute;
  left: 16px; bottom: 16px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  color: var(--color-muted-2);
  background: rgba(255,255,255,0.88);
  padding: 6px 9px;
  border-radius: 2px;
}

/* press-card "masthead" — used instead of a photo when no rights-cleared
   thumbnail is available; shows the outlet name as the visual instead of
   a blank/striped placeholder */
.news-mast {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  text-align: center;
  background: var(--cream);
  overflow: hidden;
}
.news-mast::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 6px;
  background: var(--color-accent);
}
.news-mast__name {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  color: var(--color-heading);
  letter-spacing: 0.01em;
}
@media (min-width: 900px) { .news-mast__name { font-size: 30px; } }

.news-mast--tint-a { background: #F1ECE3; }
.news-mast--tint-b { background: #EFE7EA; }
.news-mast--tint-c { background: #E7ECEF; }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 20px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}
@media (min-width: 900px) {
  .site-header { height: 88px; padding: 0 var(--pad-x); }
}

.logo {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--color-heading);
}
@media (min-width: 900px) { .logo { font-size: 24px; } }

.menu-toggle {
  width: 48px; height: 48px;
  margin-right: -12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: transparent;
  border: 0;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--color-heading);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.site-nav {
  display: none;
  position: absolute;
  left: 0; right: 0; top: 64px;
  flex-direction: column;
  border-bottom: 1px solid var(--color-border-2);
  background: #F6F6F6;
  padding: 8px 0;
}
.site-nav.is-open { display: flex; }
.site-nav a {
  display: flex;
  align-items: center;
  min-height: 60px;
  padding: 0 20px;
  font-size: 21px;
  font-weight: 700;
  color: var(--color-heading);
  border-bottom: 1px solid var(--color-border-2);
}
.site-nav a:last-child { border-bottom: 0; }
.site-nav a:hover { color: var(--color-accent); }
.site-nav a[aria-current="page"] { color: var(--color-accent); }

@media (min-width: 900px) {
  .menu-toggle { display: none; }
  .site-nav {
    display: flex !important;
    position: static;
    flex-direction: row;
    align-items: center;
    gap: 38px;
    border-bottom: 0;
    background: transparent;
    padding: 0;
  }
  .site-nav a {
    min-height: auto;
    padding: 12px 0;
    font-size: 18px;
    border-bottom: 0;
  }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  height: 520px;
  overflow: hidden;
}
@media (min-width: 900px) { .hero { height: 660px; } }

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(24,16,16,0.42) 0%, rgba(24,16,16,0.16) 40%, rgba(24,16,16,0.80) 100%);
}
@media (min-width: 900px) {
  .hero__overlay {
    background: linear-gradient(180deg, rgba(24,16,16,0.52) 0%, rgba(24,16,16,0.18) 42%, rgba(24,16,16,0.78) 100%);
  }
}

.hero__inner {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px 20px 28px;
}
@media (min-width: 900px) {
  .hero__inner { justify-content: flex-end; padding: 56px var(--pad-x) 64px; }
}

.hero h1 {
  font-size: 38px;
  line-height: 1.25;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.03em;
}
@media (min-width: 900px) { .hero h1 { font-size: 80px; line-height: 1.16; } }
.hero h1 em { font-style: normal; color: var(--color-accent-light); }

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 22px;
}
@media (min-width: 900px) { .hero__actions { flex-direction: row; gap: 14px; margin-top: 40px; } }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 30px;
  border-radius: 999px;
  font-size: 18px;
  font-weight: 700;
  border: 0;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}
@media (min-width: 900px) { .btn { min-height: 62px; padding: 0 34px; font-size: 19px; } }

.btn--primary { background: var(--color-accent); color: #FFFFFF; }
.btn--primary:hover { background: var(--color-accent-hover); color: #FFFFFF; }

.btn--ghost {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.7);
  color: #FFFFFF;
}
.btn--ghost:hover { background: #FFFFFF; color: var(--color-heading); }

/* full-width variant used on mobile hero CTA */
.btn--block { width: 100%; }

/* ==========================================================================
   Sections (shared)
   ========================================================================== */
.section {
  padding: var(--pad-y) var(--pad-x);
  border-top: 1px solid var(--color-border-2);
}
.section--flush-top { border-top: 0; }

.section__head {
  margin-bottom: 20px;
}
@media (min-width: 900px) { .section__head { margin-bottom: 36px; } }

.section__head--split {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.section__title {
  font-size: 26px;
  font-weight: 800;
  color: var(--color-heading);
  letter-spacing: -0.01em;
}
@media (min-width: 900px) { .section__title { font-size: 40px; } }

.section__desc {
  font-size: 16px;
  color: var(--color-muted);
  margin-top: 8px;
}
@media (min-width: 900px) { .section__desc { font-size: 19px; margin-top: 12px; } }

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 24px;
  border: 1px solid var(--color-border-3);
  background: var(--color-bg);
  border-radius: 4px;
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text);
  transition: border-color var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}
.btn-outline:hover { border-color: var(--color-heading); color: var(--color-heading); }

.section__more {
  display: none;
}
@media (min-width: 900px) { .section__more { display: inline-flex; min-height: 52px; padding: 0 24px; font-size: 17px; } }

[data-only-mobile] {
  display: flex;
}
@media (min-width: 900px) { [data-only-mobile] { display: none !important; } }

.btn-outline--full {
  display: flex;
  width: 100%;
  margin-top: 26px;
}
@media (min-width: 900px) {
  .btn-outline--full { display: flex; justify-content: center; width: auto; margin: 44px auto 0; padding: 0 30px; min-height: 56px; font-size: 18px; }
}

/* ==========================================================================
   Tabs (성동소식)
   ========================================================================== */
.tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 26px;
}
@media (min-width: 900px) {
  .tabs { display: flex; gap: 12px; border-bottom: 1px solid #E0DBD2; margin-bottom: 40px; }
}

.tab {
  appearance: none;
  border: 1px solid var(--color-border-3);
  cursor: pointer;
  font-family: inherit;
  font-size: 17px;
  font-weight: 700;
  min-height: 52px;
  padding: 0 12px;
  background: transparent;
  color: var(--color-muted);
  border-radius: 4px;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}
.tab[aria-selected="true"] {
  background: var(--dark);
  color: #FFFFFF;
  border-color: var(--dark);
}
@media (min-width: 900px) {
  .tab {
    border: none;
    border-bottom: 3px solid transparent;
    border-radius: 4px 4px 0 0;
    min-height: 58px;
    padding: 0 28px;
    font-size: 20px;
    margin-bottom: -1px;
    background: transparent;
    color: var(--color-muted);
  }
  .tab[aria-selected="true"] {
    background: #FFFFFF;
    color: var(--color-heading);
    border-bottom-color: var(--color-accent);
  }
}

.tabpanel[hidden] { display: none; }

/* ==========================================================================
   News / activity cards grid
   ========================================================================== */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}
@media (min-width: 640px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .card-grid { grid-template-columns: repeat(3, 1fr); gap: 36px; }
}

.news-card { display: block; color: var(--color-text); }
.news-card:hover { color: var(--color-text); }
.news-card .ph { aspect-ratio: 4/3; }
.news-card__date { font-size: 15px; color: var(--color-muted); margin-top: 12px; }
.news-card__title {
  font-size: 19px;
  line-height: 1.5;
  font-weight: 700;
  margin: 6px 0 0;
  color: var(--color-heading);
}
@media (min-width: 900px) {
  .news-card__date { font-size: 16px; margin-top: 18px; }
  .news-card__title { font-size: 22px; margin-top: 8px; }
}

/* Info / benefit cards */
.info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 640px) { .info-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .info-grid { grid-template-columns: repeat(3, 1fr); gap: 28px; } }

.info-card {
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 24px 20px;
  color: var(--color-text);
  transition: border-color var(--transition-fast);
}
.info-card:hover { border-color: #C4C4C4; color: var(--color-text); }
@media (min-width: 900px) {
  .info-card { padding: 34px 32px 30px; min-height: 280px; }
}

.info-card--featured {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #FFFFFF;
}
.info-card--featured:hover { background: var(--color-accent-dark-hover); border-color: var(--color-accent-dark-hover); color: #FFFFFF; }

.badge {
  align-self: flex-start;
  font-size: 15px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 3px;
  background: var(--badge-gray-bg);
  color: var(--badge-gray-text);
}
@media (min-width: 900px) { .badge { font-size: 16px; padding: 8px 14px; } }

.badge--pink { background: var(--badge-pink-bg); color: var(--badge-pink-text); }
.badge--blue { background: var(--badge-blue-bg); color: var(--badge-blue-text); }
.badge--green { background: var(--badge-green-bg); color: var(--badge-green-text); }
.badge--on-accent { background: rgba(255,255,255,0.22); color: #FFFFFF; }
.badge--on-accent-solid { background: #FFFFFF; color: var(--color-accent-dark); }

.info-card__title {
  font-size: 21px;
  line-height: 1.45;
  font-weight: 700;
  margin: 14px 0 0;
  color: var(--color-heading);
}
.info-card--featured .info-card__title { color: #FFFFFF; }
@media (min-width: 900px) { .info-card__title { font-size: 26px; margin-top: 22px; } }

.info-card__desc {
  font-size: 16px;
  color: var(--color-muted-3);
  margin: 8px 0 0;
}
.info-card--featured .info-card__desc { color: #FFE4EA; }
@media (min-width: 900px) { .info-card__desc { font-size: 18px; margin-top: 14px; } }

.info-card__meta { margin-top: 14px; }
@media (min-width: 900px) { .info-card__meta { margin-top: auto; padding-top: 22px; } }

.info-card__cta {
  display: inline-block;
  font-size: 17px;
  font-weight: 700;
  color: var(--color-accent-dark);
  margin-top: 16px;
}
.info-card--featured .info-card__cta { color: var(--color-accent); }
@media (min-width: 900px) { .info-card__cta { font-size: 18px; margin-top: 18px; } }

/* ==========================================================================
   Video section
   ========================================================================== */
.video-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
@media (min-width: 900px) {
  .video-layout { grid-template-columns: 1fr 420px; gap: 44px; align-items: start; }
}

.video-main { display: block; color: var(--color-text); }
.video-main:hover { color: var(--color-text); }

/* real YouTube thumbnail — replaces the .ph pattern placeholder now that
   actual video IDs are wired up */
.video-thumb,
.img-thumb {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--placeholder-a);
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.play-button {
  width: 66px; height: 66px;
  border-radius: 50%;
  background: rgba(26,25,23,0.86);
  display: flex; align-items: center; justify-content: center;
}
.play-button::after {
  content: "";
  width: 0; height: 0;
  border-left: 20px solid #FFFFFF;
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
  margin-left: 5px;
}
@media (min-width: 900px) {
  .play-button { width: 88px; height: 88px; }
  .play-button::after { border-left-width: 26px; border-top-width: 16px; border-bottom-width: 16px; margin-left: 7px; }
}
.play-button--sm { width: 38px; height: 38px; }
.play-button--sm::after { border-left-width: 11px; border-top-width: 7px; border-bottom-width: 7px; margin-left: 3px; }
@media (min-width: 900px) {
  .play-button--sm { width: 44px; height: 44px; }
  .play-button--sm::after { border-left-width: 13px; border-top-width: 8px; border-bottom-width: 8px; margin-left: 4px; }
}

.video-tag {
  position: absolute;
  left: 0; top: 0;
  background: var(--color-accent);
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 10px;
}
@media (min-width: 900px) { .video-tag { font-size: 14px; letter-spacing: 0.06em; padding: 9px 14px; } }

.video-main__meta {
  font-size: 15px;
  color: var(--color-muted);
  margin-top: 14px;
}
@media (min-width: 900px) { .video-main__meta { font-size: 16px; margin-top: 20px; } }

.video-main__title {
  font-size: 21px;
  line-height: 1.5;
  font-weight: 700;
  margin: 6px 0 0;
  color: var(--color-heading);
}
@media (min-width: 900px) { .video-main__title { font-size: 28px; margin-top: 10px; } }

.video-list { display: flex; flex-direction: column; gap: 20px; }
@media (min-width: 900px) { .video-list { gap: 24px; } }

.video-list__item {
  display: grid;
  grid-template-columns: 136px 1fr;
  gap: 14px;
  align-items: center;
  color: var(--color-text);
}
.video-list__item:hover { color: var(--color-text); }
@media (min-width: 900px) {
  .video-list__item {
    grid-template-columns: 176px 1fr;
    gap: 18px;
    align-items: start;
    padding: 8px;
    margin: -8px;
    border-radius: 2px;
    transition: background-color var(--transition-fast);
  }
  .video-list__item:hover { background: #FAFAFA; }
}

.video-list__meta { font-size: 14px; color: var(--color-muted); }
.video-list__title { font-size: 17px; line-height: 1.5; font-weight: 700; margin: 4px 0 0; color: var(--color-heading); }
@media (min-width: 900px) {
  .video-list__meta { font-size: 15px; }
  .video-list__title { font-size: 19px; margin-top: 6px; }
}

/* ==========================================================================
   Press cards — reuses .news-card / .card-grid, same horizontal row layout
   as 성동소식, plus a source label above the title
   ========================================================================== */
.news-card__source {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-accent-dark);
  margin-top: 12px;
}
@media (min-width: 900px) { .news-card__source { font-size: 16px; margin-top: 18px; } }

/* ==========================================================================
   Op-ed / 생각 section
   ========================================================================== */
.oped-section { background: var(--maroon); }
.oped-section .section__title { color: #FFFFFF; }
.oped-section .section__desc { color: var(--maroon-text); }
.oped-section .btn-outline {
  border-color: rgba(255,255,255,0.55);
  color: #FFFFFF;
  background: transparent;
}
.oped-section .btn-outline:hover { border-color: #FFFFFF; color: #FFFFFF; }

.oped-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
@media (min-width: 900px) {
  .oped-layout { grid-template-columns: 1fr 380px; gap: 72px; align-items: start; }
}

.oped-feature {
  display: block;
  color: #FFFFFF;
  border-top: 2px solid #FFFFFF;
  padding-top: 22px;
}
.oped-feature:hover { color: #FFFFFF; }
@media (min-width: 900px) { .oped-feature { padding-top: 32px; } }

.oped-feature__meta {
  font-size: 14px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.04em;
}
.oped-feature__meta .dim { color: var(--maroon-text); font-weight: 400; }
@media (min-width: 900px) { .oped-feature__meta { font-size: 16px; display: flex; gap: 10px; } }

.oped-feature__title {
  font-family: var(--font-serif);
  font-size: 24px;
  line-height: 1.55;
  font-weight: 700;
  color: #FFFFFF;
  margin: 12px 0 0;
}
@media (min-width: 900px) { .oped-feature__title { font-size: 36px; line-height: 1.5; margin-top: 18px; } }

.oped-feature__body {
  font-size: 17px;
  line-height: 1.8;
  color: var(--maroon-text-2);
  margin: 14px 0 0;
}
@media (min-width: 900px) { .oped-feature__body { font-size: 20px; line-height: 1.85; margin-top: 22px; } }

.oped-feature__more {
  display: inline-block;
  font-size: 17px;
  font-weight: 700;
  color: #FFFFFF;
  margin-top: 16px;
  border-bottom: 2px solid #FFFFFF;
  padding-bottom: 2px;
}
@media (min-width: 900px) { .oped-feature__more { font-size: 19px; margin-top: 24px; } }

.oped-list { margin-top: 28px; }
@media (min-width: 900px) { .oped-list { margin-top: 0; } }

.oped-list__item {
  display: block;
  border-top: 1px solid rgba(255,255,255,0.32);
  padding: 18px 0;
  color: #FFFFFF;
}
.oped-list__item:hover { color: #FFFFFF; }
.oped-list__item:last-child { border-bottom: 1px solid rgba(255,255,255,0.32); }
@media (min-width: 900px) { .oped-list__item { padding: 26px 0; } }

.oped-list__meta { font-size: 14px; color: var(--maroon-text); }
.oped-list__title { font-size: 18px; line-height: 1.5; font-weight: 700; margin: 6px 0 0; }
@media (min-width: 900px) {
  .oped-list__meta { font-size: 15px; }
  .oped-list__title { font-size: 21px; line-height: 1.55; margin-top: 8px; }
}

/* ==========================================================================
   Community
   ========================================================================== */
.community-list { border-top: 2px solid var(--dark); }

.community-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--color-border-4);
  color: var(--color-text);
}
.community-item:hover { color: var(--color-text); }
@media (min-width: 900px) {
  .community-item {
    grid-template-columns: 120px 1fr 110px;
    align-items: center;
    gap: 20px;
    padding: 22px 12px;
    transition: background-color var(--transition-fast);
  }
  .community-item:hover { background: #FAFAFA; }
}

.community-item__tag { font-size: 14px; font-weight: 700; color: var(--color-muted); }
.community-item__title { font-size: 18px; font-weight: 600; line-height: 1.5; }
.community-item__date { font-size: 14px; color: var(--color-muted); }
@media (min-width: 900px) {
  .community-item__tag { font-size: 16px; }
  .community-item__title { font-size: 20px; }
  .community-item__date { font-size: 16px; text-align: right; }
}
@media (max-width: 899px) {
  .community-item__meta { display: flex; gap: 8px; font-size: 14px; color: var(--color-muted); }
}

.btn-dark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 56px;
  margin-top: 24px;
  background: var(--dark);
  color: #FFFFFF;
  border-radius: 4px;
  font-size: 18px;
  font-weight: 700;
  transition: background-color var(--transition-fast);
}
.btn-dark:hover { background: var(--dark-hover); color: #FFFFFF; }
@media (min-width: 900px) { .btn-dark { width: auto; padding: 0 28px; } }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--dark);
  color: var(--footer-text);
  padding: 40px 20px 90px;
}
@media (min-width: 900px) { .site-footer { padding: 72px var(--pad-x) 56px; } }

.site-footer__top {
  display: grid;
  gap: 22px;
}
@media (min-width: 900px) {
  .site-footer__top { grid-template-columns: 1fr auto; gap: 60px; align-items: start; }
}

.site-footer__brand { font-size: 20px; font-weight: 800; color: #FFFFFF; }
@media (min-width: 900px) { .site-footer__brand { font-size: 24px; letter-spacing: 0.02em; } }

.site-footer__desc {
  font-size: 15px;
  line-height: 1.75;
  color: var(--footer-muted);
  margin: 0;
}
@media (min-width: 900px) { .site-footer__desc { font-size: 17px; line-height: 1.8; margin-top: 20px; max-width: 520px; } }

.footer-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 20px;
}
@media (min-width: 900px) { .footer-nav { display: flex; gap: 64px; } }

.footer-nav__col { display: flex; flex-direction: column; gap: 14px; }

.footer-nav a { font-size: 17px; color: var(--footer-text); padding: 6px 0; }
.footer-nav a:hover { color: #FFFFFF; }
.footer-nav a.is-muted { color: var(--footer-muted); }

.site-footer__legal {
  font-size: 15px;
  line-height: 1.75;
  color: var(--footer-muted);
  margin-top: 26px;
  border-top: 1px solid var(--footer-border);
  padding-top: 22px;
}
@media (min-width: 900px) { .site-footer__legal { margin-top: 48px; padding-top: 24px; } }

/* ==========================================================================
   Video modal — in-page YouTube popup (replaces linking out to youtube.com)
   ========================================================================== */
.video-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.video-modal.is-open { display: flex; }

.video-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 12, 10, 0.86);
}

.video-modal__dialog {
  position: relative;
  width: 100%;
  max-width: 960px;
}

.video-modal__close {
  position: absolute;
  top: -48px;
  right: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 0;
  background: rgba(255,255,255,0.14);
  color: #FFFFFF;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}
.video-modal__close:hover { background: rgba(255,255,255,0.28); }
.video-modal__close:focus-visible { outline: 2px solid #FFFFFF; outline-offset: 2px; }

.video-modal__frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
  box-shadow: 0 24px 60px rgba(0,0,0,0.45);
}
.video-modal__frame iframe,
.video-modal__frame > div {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-modal__fallback {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  text-align: center;
  padding: 24px;
  color: #FFFFFF;
  background: #17130f;
}
/* the [hidden] attribute is how JS shows/hides this — it must win over the
   flex rule above, otherwise the overlay stays visible on top of a video
   that is actually playing fine underneath it */
.video-modal__fallback[hidden] { display: none; }
.video-modal__fallback p { font-size: 16px; color: #C9C4BB; margin: 0; }

@media (max-width: 640px) {
  .video-modal { padding: 0; }
  .video-modal__dialog { max-width: none; }
  .video-modal__close { top: 12px; right: 12px; background: rgba(0,0,0,0.55); }
}

/* ==========================================================================
   Kakao floating CTA
   ========================================================================== */
.kakao-cta {
  position: fixed;
  right: 16px; bottom: 24px;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--kakao-yellow);
  color: var(--kakao-dark);
  padding: 12px 18px;
  border-radius: 999px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.20);
  font-weight: 800;
  font-size: 16px;
  line-height: 1.35;
  transition: background-color var(--transition-fast);
}
.kakao-cta:hover { background: var(--kakao-yellow-hover); color: var(--kakao-dark); }

.kakao-cta__icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--kakao-dark);
  color: var(--kakao-yellow);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  font-weight: 800;
  flex-shrink: 0;
}

@media (min-width: 900px) {
  .kakao-cta {
    right: 44px; bottom: 44px;
    padding: 16px 24px;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.18);
    font-size: 17px;
  }
  .kakao-cta__icon { width: 40px; height: 40px; font-size: 15px; }
  .kakao-cta__label-mobile { display: none; }
}
.kakao-cta__label-desktop { display: none; }
@media (min-width: 900px) { .kakao-cta__label-desktop { display: inline; } .kakao-cta__label-mobile { display: none; } }