/* ============================================
   WCIF 2026 - World Cultural Industry Forum
   v2 - editorial restyle (ref: spacedesignfair)
   ============================================ */
:root {
  --ink: #10142b;
  --ink-soft: #555c7c;
  --paper: #f4f6fd;
  --paper-warm: #e7ebfa;
  --accent: #1340e6;
  --accent-dark: #0c2db2;
  --accent-soft: #aec0f8;
  --line: #d3daf1;
  --neon: #9ef603;
  --neon-deep: #7ac400;
  --display: 'Archivo', 'Pretendard', 'Noto Sans KR', sans-serif;
  --body: 'Pretendard', 'Noto Sans KR', -apple-system, 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none;
  -webkit-touch-callout: none;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
::selection { background: var(--accent); color: #fff; }

.container { width: min(1280px, 92%); margin: 0 auto; }

.display {
  font-family: var(--display);
  font-stretch: 125%;
  font-weight: 900;
  text-transform: uppercase;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid var(--ink);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo {
  font-family: var(--display); font-stretch: 125%; font-weight: 900;
  font-size: 1.35rem; letter-spacing: -.01em; line-height: 1;
  text-transform: uppercase;
}
.logo span { color: var(--accent); }
.main-nav { display: flex; align-items: center; gap: 2.4rem; }
.main-nav a {
  font-family: var(--display); font-stretch: 110%;
  font-size: .82rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase;
  position: relative; padding: 4px 0;
}
.main-nav > a::after, .nav-item > .nav-top::after {
  content: ''; position: absolute; left: 0; bottom: -2px;
  width: 0; height: 2px; background: var(--accent); transition: width .25s;
}
.main-nav > a:hover::after, .main-nav > a.active::after,
.nav-item:hover > .nav-top::after, .nav-item > .nav-top.active::after { width: 100%; }
.main-nav a.active, .main-nav a.sub-on { color: var(--accent); }

/* dropdown */
.nav-item { position: relative; display: flex; align-items: center; height: 64px; }
.nav-item .sub {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  min-width: 180px; background: var(--paper); border: 1px solid var(--ink);
  padding: .5rem 0; display: none; z-index: 110;
  box-shadow: 0 14px 30px rgba(0,0,0,.12);
}
.nav-item .sub::before {
  content: ''; position: absolute; left: 0; right: 0; top: -12px; height: 12px;
}
.nav-item:hover .sub, .nav-item:focus-within .sub { display: block; }
.nav-item .sub a {
  display: block; padding: .55rem 1.2rem; white-space: nowrap;
  font-size: .78rem; transition: all .15s;
}
.nav-item .sub a:hover { background: var(--ink); color: var(--paper); padding-left: 1.5rem; }
.header-right { display: flex; align-items: center; gap: 1.3rem; }
.lang-switch {
  font-family: var(--display); font-size: .8rem; font-weight: 700;
  letter-spacing: .08em; color: var(--ink-soft);
}
.lang-switch b { color: var(--accent); }
.lang-switch a:hover { color: var(--ink); }
.btn-cta {
  display: none;
  background: var(--ink); color: var(--paper);
  padding: .55rem 1.3rem; border-radius: 999px;
  font-family: var(--display); font-size: .78rem; font-weight: 800;
  letter-spacing: .08em; text-transform: uppercase;
  transition: background .2s;
}
.btn-cta:hover { background: var(--accent); }
/* 모든 '참가 문의' 메일 버튼 숨김 (배너 하단 포함, 사전등록 버튼은 제외) */
a.btn-primary[href^="mailto:"] { display: none; }

/* mobile nav */
.nav-toggle {
  display: none; background: none; border: 0; cursor: pointer;
  width: 40px; height: 40px; position: relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ''; position: absolute; left: 8px; width: 24px; height: 2px;
  background: var(--ink); transition: all .25s;
}
.nav-toggle span { top: 19px; }
.nav-toggle span::before { top: -7px; left: 0; }
.nav-toggle span::after { top: 7px; left: 0; }

/* ---------- Hero (dark, full-bleed) ---------- */
.hero {
  display: flex; flex-direction: column; justify-content: center;
  padding: 110px 0 80px;
  position: relative;
  background:
    radial-gradient(ellipse 50% 45% at 88% 6%, rgba(37,71,229,.14), transparent 65%),
    radial-gradient(ellipse 48% 42% at 6% 94%, rgba(174,192,248,.5), transparent 65%),
    var(--paper);
  color: var(--ink);
  overflow: hidden;
}
.kv-hero {
  width: 100%; display: block;
  box-shadow: 0 24px 60px rgba(16,20,43,.14);
}
.hero .container { position: relative; }
.hero-display {
  font-family: var(--display); font-stretch: 125%; font-weight: 900;
  font-size: clamp(3.4rem, 12.5vw, 11.5rem);
  line-height: .92; letter-spacing: -.02em;
  text-transform: uppercase;
}
.hero-display .line-outline {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--paper);
}
.hero-display .line-accent { color: var(--accent); }
.hero-meta {
  display: flex; flex-wrap: wrap; gap: 1.2rem 2rem;
  justify-content: space-between; align-items: center;
  margin-top: 2rem; padding-top: 1.4rem;
  font-size: .95rem; color: var(--ink-soft);
}
.hero-meta-text { display: flex; flex-wrap: wrap; gap: .6rem 2.5rem; align-items: baseline; }
.hero-meta .hero-cta { flex-shrink: 0; border-radius: 0; }
.hero-meta .date {
  font-family: var(--display); font-stretch: 120%; font-weight: 800;
  font-size: clamp(1rem, 2.2vw, 1.45rem); letter-spacing: .02em;
  color: var(--accent); text-transform: uppercase;
}
.hero-theme {
  margin-top: 1.6rem;
  font-size: clamp(1.05rem, 2.3vw, 1.6rem);
  font-weight: 700; line-height: 1.45; word-break: keep-all;
  max-width: 880px;
}
.hero-theme em { font-style: normal; color: var(--accent); }
.hero-theme small {
  display: block; font-size: .68em; font-weight: 400;
  color: var(--ink-soft); margin-top: .4rem;
  font-family: var(--display); font-stretch: 105%;
  text-transform: uppercase; letter-spacing: .04em;
}
.hero-actions { margin-top: 2.4rem; display: flex; gap: .8rem; flex-wrap: wrap; }
.btn-primary, .btn-ghost {
  display: inline-block; padding: .9rem 2rem; border-radius: 999px;
  font-family: var(--display); font-stretch: 110%;
  font-weight: 800; font-size: .85rem; letter-spacing: .08em;
  text-transform: uppercase; transition: all .22s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); }
.btn-lg { padding: 1.5rem 3.6rem; font-size: 1.05rem; letter-spacing: .1em; }
.btn-xl { padding: 2.3rem 5.4rem; font-size: 1.95rem; letter-spacing: .08em; }
@media (max-width: 560px) {
  .btn-lg { padding: 1.2rem 2.4rem; font-size: .95rem; }
  .btn-xl { padding: 1.4rem 2.8rem; font-size: 1.45rem; }
}
.btn-ghost { border: 1.5px solid currentColor; }
.hero .btn-ghost { color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); transform: translateY(-2px); }
.scroll-cue {
  position: absolute; bottom: 24px; right: 4%;
  font-family: var(--display); font-size: .7rem; letter-spacing: .3em;
  color: var(--ink-soft); text-transform: uppercase;
  animation: bob 2s infinite;
}
@keyframes bob { 0%,100% { transform: translateY(0);} 50% { transform: translateY(8px);} }

/* ---------- Marquee ---------- */
.marquee {
  overflow: hidden; white-space: nowrap;
  border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink);
  padding: 1.1rem 0; background: var(--paper);
}
.marquee.dark { background: var(--accent); color: #fff; border-color: var(--ink); }
.marquee-track {
  display: inline-block; animation: marquee 30s linear infinite;
  font-family: var(--display); font-stretch: 122%; font-weight: 800;
  font-size: clamp(1.2rem, 2.6vw, 2rem); letter-spacing: .01em;
  text-transform: uppercase; line-height: 1;
}
.marquee-track span { margin: 0 1.4rem; }
.marquee-track .dot { color: var(--accent); }
.marquee.dark .dot { color: var(--ink); }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.section { padding: clamp(5rem, 10vw, 9rem) 0; }
.section.warm { background: var(--paper-warm); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-label {
  font-family: var(--display); font-stretch: 115%; font-weight: 800;
  font-size: .8rem; letter-spacing: .22em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 1.4rem;
  display: flex; align-items: center; gap: .8rem;
}
.section-label::before { content: ''; width: 38px; height: 2px; background: var(--accent); }
.section-title {
  font-family: var(--display); font-stretch: 122%; font-weight: 900;
  font-size: clamp(2rem, 5.5vw, 4.2rem); line-height: 1.02;
  letter-spacing: -.015em; text-transform: uppercase; word-break: keep-all;
}
.section-title .en {
  display: block; font-family: var(--display); font-stretch: 105%; font-weight: 500;
  font-size: .32em; color: var(--ink-soft); letter-spacing: .2em; margin-top: .9rem;
  text-transform: uppercase;
}
.section-desc {
  margin-top: 1.8rem; max-width: 720px; color: var(--ink-soft);
  font-size: 1.05rem; word-break: keep-all;
}
.section-head-row {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 2rem; flex-wrap: wrap; margin-bottom: 3.2rem;
  padding-bottom: 1.6rem; border-bottom: 1px solid var(--ink);
}
.link-more {
  font-family: var(--display); font-stretch: 110%;
  font-weight: 800; font-size: .85rem; letter-spacing: .08em;
  text-transform: uppercase; white-space: nowrap;
  border-bottom: 2px solid var(--ink); padding-bottom: 3px; transition: all .2s;
}
.link-more:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- Program cards ---------- */
.track-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
  border: 1px solid var(--ink);
}
.track-card {
  border-right: 1px solid var(--ink);
  padding: 2.4rem 2rem 2rem; min-height: 340px;
  display: flex; flex-direction: column; justify-content: space-between;
  background: var(--paper); transition: background .25s, color .25s;
  position: relative;
}
.track-card:last-child { border-right: 0; }
.track-card:hover { background: var(--ink); color: var(--paper); }
.track-no {
  font-family: var(--display); font-stretch: 122%; font-weight: 900;
  font-size: 2.2rem; letter-spacing: -.01em; line-height: 1;
  text-transform: uppercase; color: var(--accent); margin-bottom: 1.6rem;
}
.track-card h3 {
  font-family: var(--display); font-stretch: 112%; font-weight: 800;
  font-size: 1.45rem; line-height: 1.18; letter-spacing: 0;
  text-transform: uppercase; word-break: keep-all;
}
.track-card p { margin-top: 1rem; font-size: .94rem; opacity: .72; word-break: keep-all; line-height: 1.6; }
.track-card .track-tag {
  margin-top: 1.8rem; font-family: var(--display); font-stretch: 110%;
  font-size: .72rem; font-weight: 800; letter-spacing: .18em;
  text-transform: uppercase; opacity: .55;
}
.track-card.main-track { background: var(--accent); color: #fff; }
.track-card.main-track .track-no { color: var(--accent-soft); }
.track-card.main-track:hover { background: var(--ink); }
.track-card.main-track:hover .track-no { color: var(--accent); }

/* ---------- Speakers ---------- */
.speaker-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.4rem 1.6rem;
}
.speaker-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.speaker-photo {
  position: relative;
  width: min(100%, 240px); margin: 0 auto;
}
/* 메인: 완성형 카드 이미지(육각형+인물 튀어나옴) 그대로 표시 */
.speaker-photo img {
  display: block; width: 100%; height: auto;
  transition: transform .35s;
}
.speaker-card:hover .speaker-photo img { transform: translateY(-5px); }
.speaker-photo.no-shape::before, .sp-modal-photo.no-shape::before { display: none; }
.speaker-photo.no-shape img, .sp-modal-photo.no-shape img { object-fit: cover; object-position: center; border-radius: 4px; }
.speaker-photo .ph-fallback {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-family: var(--display); font-stretch: 122%; font-weight: 900;
  font-size: 2.4rem; color: rgba(255,255,255,.85); text-transform: uppercase; text-align: center;
}
.speaker-role {
  position: absolute; left: 50%; bottom: 15%; transform: translateX(-50%);
  z-index: 2; background: var(--accent); color: #fff;
  font-family: var(--display); font-stretch: 110%; font-weight: 800;
  font-size: .6rem; letter-spacing: .1em; text-transform: uppercase;
  padding: .22rem .6rem; white-space: nowrap; line-height: 1.15;
  box-shadow: 0 2px 8px rgba(16,20,43,.2);
}
.speaker-info { padding: 1rem .1rem 0; text-align: left; }
.speaker-info h3 { font-size: 1.1rem; font-weight: 800; letter-spacing: -.01em; }
.speaker-info p { font-size: .85rem; color: var(--ink-soft); margin-top: .25rem; word-break: keep-all; line-height: 1.5; }
/* And More 카드: 세로 중앙 정렬 */
.speaker-card.speaker-more { display: flex; align-items: center; justify-content: center; text-align: center; }
.speaker-more-inner h3 {
  font-family: var(--display); font-stretch: 122%; font-weight: 900;
  font-size: clamp(1.3rem, 2vw, 1.7rem); letter-spacing: .04em;
  text-transform: uppercase; color: var(--accent);
}
.speaker-more-inner p { margin-top: .5rem; font-size: .88rem; color: var(--ink-soft); word-break: keep-all; }

/* ---------- Speakers carousel (가로 스크롤) ---------- */
.speaker-carousel { position: relative; }
.speaker-grid.is-carousel {
  display: flex; grid-template-columns: none;
  gap: 1.6rem; overflow-x: auto; scroll-snap-type: x mandatory;
  scroll-behavior: smooth; padding-bottom: 1.2rem;
  -webkit-overflow-scrolling: touch; scrollbar-width: none;
}
.speaker-grid.is-carousel::-webkit-scrollbar { display: none; }
.speaker-grid.is-carousel > .speaker-card {
  flex: 0 0 auto; width: min(72vw, 220px); scroll-snap-align: start;
}
.carousel-btn {
  position: absolute; top: 110px; transform: translateY(-50%);
  z-index: 5; width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid var(--ink); background: var(--paper); color: var(--ink);
  font-family: var(--display); font-size: 1.5rem; line-height: 1; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 14px rgba(0,0,0,.12); transition: background .2s, color .2s, opacity .2s;
}
.carousel-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.carousel-btn.prev { left: -6px; }
.carousel-btn.next { right: -6px; }
.carousel-btn[disabled] { opacity: .3; cursor: default; pointer-events: none; }
@media (max-width: 560px) {
  .carousel-btn { width: 38px; height: 38px; font-size: 1.2rem; top: 95px; }
}

/* ---------- Theme big statement ---------- */
.statement {
  font-size: clamp(1.7rem, 4.6vw, 3.6rem); font-weight: 800;
  line-height: 1.32; letter-spacing: -.02em; word-break: keep-all;
  max-width: 1020px;
}
.statement em { font-style: normal; color: var(--accent); }
.statement-sub {
  margin-top: 1.4rem; font-family: var(--display); font-stretch: 115%;
  font-weight: 600; text-transform: uppercase;
  letter-spacing: .12em; color: var(--ink-soft);
  font-size: clamp(.85rem, 1.6vw, 1.1rem);
}

/* ---------- Sub pages ---------- */
.page-hero {
  padding: 150px 0 64px;
  background: var(--accent); color: #fff;
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: -30%;
  background:
    radial-gradient(ellipse 40% 45% at 85% 10%, rgba(174,192,248,.55), transparent 65%),
    radial-gradient(ellipse 35% 40% at 10% 90%, rgba(27,54,188,.6), transparent 65%);
  filter: blur(8px);
}
.page-hero .container { position: relative; }
.page-hero .crumb {
  font-family: var(--display); font-stretch: 110%;
  font-size: .75rem; letter-spacing: .22em; text-transform: uppercase;
  color: rgba(255,255,255,.65); margin-bottom: 1.2rem; font-weight: 700;
}
.page-hero h1 {
  font-family: var(--display); font-stretch: 125%; font-weight: 900;
  font-size: clamp(2.6rem, 8vw, 6rem); line-height: .95;
  letter-spacing: -.02em; text-transform: uppercase;
}
.page-hero h1 .en {
  display: block; font-family: var(--display); font-stretch: 105%; font-weight: 500;
  font-size: .28em; color: var(--accent-soft); letter-spacing: .24em;
  text-transform: uppercase; margin-top: 1rem;
}
.subnav {
  position: sticky; top: 64px; z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--ink);
}
.subnav-inner { display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; }
.subnav-tabs { display: flex; gap: 2rem; overflow-x: auto; }
.subnav a {
  padding: 1rem 0; font-family: var(--display); font-stretch: 110%;
  font-size: .82rem; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; white-space: nowrap;
  border-bottom: 2px solid transparent; color: var(--ink-soft);
}
.subnav a:hover { color: var(--ink); border-color: var(--accent); }
.subnav a.on { color: var(--accent); border-color: var(--accent); }
.subnav-crumb { font-size: .85rem; color: var(--ink-soft); white-space: nowrap; flex-shrink: 0; }
.subnav-crumb span { color: var(--line); margin: 0 .25em; }

.prose { max-width: 800px; font-size: 1.05rem; color: #34322c; word-break: keep-all; }
.prose p + p { margin-top: 1.4rem; }
.prose strong { color: var(--ink); }

.greeting-sign { margin-top: 2.6rem; font-weight: 800; font-size: 1.2rem; }
.greeting-sign small {
  display: block; font-weight: 500; color: var(--ink-soft);
  font-family: var(--display); font-stretch: 108%; font-size: .72rem;
  letter-spacing: .14em; text-transform: uppercase; margin-top: .3rem;
}

/* greeting layout: text left, portrait right */
.greeting-layout {
  margin-top: 2rem;
  display: grid; grid-template-columns: 1fr 280px;
  gap: 3.5rem; align-items: start;
}
.greeting-text { max-width: none; }
.greeting-photo { margin: 0; position: sticky; top: 110px; }
.greeting-photo img {
  display: block; width: 100%; border-radius: 14px;
}
.greeting-photo figcaption { margin-top: 1.1rem; text-align: center; }
.greeting-photo figcaption strong {
  display: block; font-weight: 800; font-size: 1.25rem; color: var(--ink);
}
.greeting-photo figcaption small {
  display: block; margin-top: .35rem; font-weight: 500; color: var(--ink-soft);
  font-family: var(--display); font-stretch: 108%; font-size: .72rem;
  letter-spacing: .12em; text-transform: uppercase;
}
@media (max-width: 760px) {
  .greeting-layout { grid-template-columns: 1fr; gap: 2.2rem; }
  .greeting-photo { position: static; max-width: 260px; margin: 0 auto; }
}

/* history table */
.history-list { max-width: 880px; border-top: 2px solid var(--ink); }
.history-list li {
  display: grid; grid-template-columns: 120px 1fr; gap: 1.5rem;
  padding: .95rem .2rem; border-bottom: 1px solid var(--line);
  font-size: .97rem; word-break: keep-all;
}
.history-list .yr {
  font-family: var(--display); font-stretch: 115%; font-weight: 800;
  letter-spacing: .02em; color: var(--accent);
}

/* archive accordion */
.acc { border-top: 2px solid var(--ink); max-width: 1000px; }
.acc-item { border-bottom: 1px solid var(--ink); }
.acc-head {
  width: 100%; background: none; border: 0; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.5rem .2rem; font-family: var(--body);
  font-size: 1.15rem; font-weight: 800; color: var(--ink); text-align: left;
  transition: color .2s;
}
.acc-head:hover { color: var(--accent); }
.acc-head .yr {
  font-family: var(--display); font-stretch: 122%; font-weight: 900;
  color: var(--accent); margin-right: 1.2rem; font-size: 1.3rem;
}
.acc-head .ico { font-size: 1.5rem; font-weight: 300; transition: transform .3s; }
.acc-item.open .ico { transform: rotate(45deg); }
.acc-body { display: none; padding: 0 .2rem 1.8rem; color: var(--ink-soft); word-break: keep-all; max-width: 820px; }
.acc-item.open .acc-body { display: block; }

/* program image */
.program-img { border: 1px solid var(--ink); overflow: hidden; max-width: 1000px; }

/* ---------- Location ---------- */
.location-grid {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 2.5rem; align-items: start;
}
.map-wrap {
  overflow: hidden; border: 1px solid var(--ink);
  aspect-ratio: 16/10; background: var(--paper-warm);
}
.map-wrap iframe { width: 100%; height: 100%; border: 0; filter: grayscale(.4); }
.loc-info h3 { font-size: 1.45rem; font-weight: 800; margin-bottom: .3rem; letter-spacing: -.01em; }
.loc-info .en-addr {
  font-family: var(--display); font-stretch: 110%; font-size: .8rem;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 1.6rem; font-weight: 700;
}
.loc-info dl { border-top: 2px solid var(--ink); }
.loc-info dl div {
  display: grid; grid-template-columns: 96px 1fr; gap: 1rem;
  padding: .85rem 0; border-bottom: 1px solid var(--line); font-size: .95rem;
}
.loc-info dt {
  font-family: var(--display); font-stretch: 112%; font-weight: 800;
  font-size: .78rem; letter-spacing: .1em; text-transform: uppercase;
  padding-top: .2em;
}
.loc-info dd { color: var(--ink-soft); }
.loc-info dd a:hover { color: var(--accent); }

/* ---------- Banner CTA ---------- */
.banner-cta {
  background: var(--accent); color: #fff; text-align: center;
  padding: clamp(4.5rem, 9vw, 8rem) 0;
  border-top: 1px solid var(--ink);
}
.banner-cta h2 {
  font-family: var(--display); font-stretch: 125%; font-weight: 900;
  text-transform: uppercase;
  font-size: clamp(2.2rem, 7vw, 5.5rem); line-height: .95; letter-spacing: -.02em;
}
.banner-cta h2 span { color: var(--accent-soft); }
.banner-cta p { margin-top: 1.4rem; color: rgba(255,255,255,.78); font-weight: 600; }
.banner-cta .btn-primary {
  margin-top: 2.4rem; background: var(--ink); color: var(--paper);
}
.banner-cta .btn-primary:hover { background: #000; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink); color: #97948c; padding: 4rem 0 2.5rem;
  font-size: .88rem;
}
.footer-grid { display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.footer-logo {
  font-family: var(--display); font-stretch: 125%; font-weight: 900;
  font-size: 1.7rem; color: var(--paper); text-transform: uppercase;
}
.footer-logo span { color: var(--accent); }
.site-footer address { font-style: normal; line-height: 1.9; margin-top: 1.1rem; }
.site-footer a:hover { color: var(--paper); }
.site-footer ul a {
  font-family: var(--display); font-stretch: 110%; font-weight: 700;
  font-size: .8rem; letter-spacing: .1em; text-transform: uppercase;
}
.footer-social { display: flex; gap: .8rem; }
.footer-social a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; border: 1px solid #3a3840; border-radius: 50%;
  color: #bdbab2; transition: color .2s, border-color .2s;
}
.footer-social a:hover { color: var(--paper); border-color: var(--paper); }
body.fs-theme .footer-social a:hover { color: var(--accent); border-color: var(--accent); }
body.hack-theme .footer-social a:hover { color: var(--accent); border-color: var(--accent); }
.footer-bottom {
  margin-top: 2.6rem; padding-top: 1.5rem; border-top: 1px solid #2a2830;
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  font-size: .78rem; color: #6b6862;
}

/* ---------- Notice popup ---------- */
.site-popup {
  position: fixed; z-index: 400;
  left: 4%; bottom: 96px;
  animation: spUp .3s ease;
}
.site-popup-wrap { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; max-height: calc(100vh - 120px); overflow-y: auto; }
.site-popup-box {
  width: min(360px, 88vw);
  background: var(--paper); border: 1px solid var(--ink);
  box-shadow: 0 24px 60px rgba(16,20,43,.25);
}
.site-popup-head {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--accent); color: #fff;
  padding: .55rem .9rem .55rem 1.1rem;
}
.site-popup-label {
  font-family: var(--display); font-stretch: 118%; font-weight: 800;
  font-size: .72rem; letter-spacing: .22em; text-transform: uppercase;
}
.site-popup-x {
  background: none; border: 0; color: #fff; font-size: 1.3rem;
  line-height: 1; cursor: pointer; padding: 0 .2rem;
}
.site-popup-body { padding: 1.3rem 1.2rem 1.2rem; }
.site-popup-body h3 {
  font-size: 1.15rem; font-weight: 800; margin-bottom: .7rem; letter-spacing: -.01em;
}
.site-popup-body p {
  font-size: .88rem; color: var(--ink-soft); line-height: 1.6;
  word-break: keep-all; margin-top: .25rem;
}
.site-popup-btn {
  margin-top: 1.1rem; display: inline-block;
  padding: .65rem 1.4rem; font-size: .78rem;
}
.site-popup-foot {
  display: flex; justify-content: space-between; align-items: center;
  border-top: 1px solid var(--line);
  padding: .6rem 1.2rem; font-size: .8rem; color: var(--ink-soft);
}
.site-popup-foot label { display: flex; align-items: center; gap: .4rem; cursor: pointer; }
.site-popup-foot input { accent-color: var(--accent); }
.site-popup-close {
  background: none; border: 0; cursor: pointer; font-family: inherit;
  font-weight: 700; font-size: .8rem; color: var(--ink);
}
.site-popup-close:hover { color: var(--accent); }
/* 팝업별 테마 색상 */
.site-popup-box[data-id="hackathon"] .site-popup-head { background: #ff4a1a; }
.site-popup-box[data-id="hackathon"] .site-popup-btn { background: #ff4a1a; color: #fff; }
.site-popup-box[data-id="hackathon"] .site-popup-btn:hover { background: #d6360c; }
.site-popup-box[data-id="hackathon"] .site-popup-foot input { accent-color: #ff4a1a; }
.site-popup-box[data-id="hackathon"] .site-popup-close:hover { color: #ff4a1a; }
.site-popup-box[data-id="futurestage"] .site-popup-head { background: #9ef603; color: #0d0f0a; }
.site-popup-box[data-id="futurestage"] .site-popup-x { color: #0d0f0a; }
.site-popup-box[data-id="futurestage"] .site-popup-btn { background: #9ef603; color: #0d0f0a; }
.site-popup-box[data-id="futurestage"] .site-popup-btn:hover { background: #0d0f0a; color: #9ef603; }
.site-popup-box[data-id="futurestage"] .site-popup-foot input { accent-color: #7ac400; }
.site-popup-box[data-id="futurestage"] .site-popup-close:hover { color: #5f9c00; }
@media (max-width: 560px) {
  .site-popup { left: 50%; transform: translateX(-50%); bottom: 84px; }
}

/* ---------- Floating registration bar ---------- */
.float-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 200;
  background: var(--ink); color: var(--paper);
  border-top: 1px solid var(--paper);
  box-shadow: 0 -8px 30px rgba(0,0,0,.25);
}
.float-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .8rem 0;
}
.float-text {
  font-weight: 800; font-size: 1.02rem; letter-spacing: -.01em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.float-text .hl { color: var(--accent); }
.float-actions { display: flex; align-items: center; gap: .6rem; flex-shrink: 0; }
.float-btn {
  background: var(--accent); color: #fff;
  padding: .65rem 1.5rem; border-radius: 6px;
  font-family: var(--display); font-stretch: 110%;
  font-weight: 800; font-size: .85rem; letter-spacing: .06em;
  text-transform: uppercase; transition: background .2s, transform .2s;
}
.float-btn:hover { background: var(--accent-dark); transform: translateY(-2px); }
.float-close {
  background: transparent; color: var(--paper);
  border: 1px solid rgba(245,243,238,.4); border-radius: 6px;
  width: 38px; height: 38px; font-size: 1.2rem; line-height: 1;
  cursor: pointer; transition: all .2s;
}
.float-close:hover { border-color: var(--paper); background: rgba(245,243,238,.1); }
body.has-float { padding-bottom: 70px; }
body.has-float .scroll-cue { bottom: 92px; }

/* ---------- Schedule (program) ---------- */
.sched-day { border: 1px solid var(--ink); background: var(--paper); margin-top: 2rem; }
.sched-day:first-child { margin-top: 0; }
.sched-head {
  display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap;
  padding: 1.1rem 1.6rem;
  background: var(--ink); color: var(--paper);
}
.sched-tag {
  font-family: var(--display); font-stretch: 118%; font-weight: 900;
  font-size: .8rem; letter-spacing: .16em; text-transform: uppercase;
  color: #fff; background: var(--accent);
  padding: .3rem .7rem;
}
.sched-head h3 {
  font-family: var(--display); font-stretch: 112%; font-weight: 800;
  font-size: 1.05rem; letter-spacing: .02em; text-transform: uppercase;
  word-break: keep-all;
}
.sched-list li {
  display: grid; grid-template-columns: 128px 1.3fr 1fr; gap: 1rem;
  padding: .95rem 1.6rem; border-bottom: 1px solid var(--line);
  font-size: .97rem; word-break: keep-all; align-items: baseline;
}
.sched-list li:last-child { border-bottom: 0; }
.sched-list li.sched-sub { background: var(--paper-warm); padding-top: .7rem; padding-bottom: .7rem; }
.sched-list li.sched-sub .what {
  font-family: var(--display); font-stretch: 115%; font-weight: 800;
  font-size: .82rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent);
}
.sched-list .time {
  font-family: var(--display); font-stretch: 115%; font-weight: 800;
  color: var(--accent); letter-spacing: 0;
  white-space: nowrap; font-size: .92rem;
}
.sched-list .what { font-weight: 700; }
.sched-list .who { color: var(--ink-soft); font-size: .9rem; }
.sched-note { margin-top: 1.2rem; font-size: .85rem; color: var(--ink-soft); }

/* 프로그램 타임테이블 (모더레이터/패널 구분형) */
.sc-sec {
  background: var(--accent); color: #fff;
  font-family: var(--display); font-stretch: 112%; font-weight: 800;
  font-size: .92rem; letter-spacing: .05em; word-break: keep-all;
  padding: .72rem 1.6rem;
}
.sc-sec.lv2 {
  background: #3a5cf0; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase;
  padding: .5rem 1.6rem;
}
.sc-row {
  display: grid; grid-template-columns: 116px 1.2fr 1.6fr; gap: 1rem 1.4rem;
  padding: 1rem 1.6rem; border-bottom: 1px solid var(--line);
  align-items: start; word-break: keep-all;
}
.sc-row:last-child { border-bottom: 0; }
.sc-time {
  font-family: var(--display); font-stretch: 115%; font-weight: 800;
  color: var(--accent); font-size: .9rem; white-space: nowrap;
}
.sc-mid { font-weight: 700; color: var(--ink); font-size: .98rem; line-height: 1.5; }
.sc-type { color: var(--accent); font-weight: 800; }
.sc-right { display: flex; flex-direction: column; gap: .55rem; }
.sc-grp { display: grid; grid-template-columns: 78px 1fr; gap: .7rem; align-items: start; }
.sc-role {
  font-family: var(--display); font-stretch: 108%; font-weight: 800;
  font-size: .76rem; letter-spacing: .02em; color: var(--accent);
  padding-top: .12rem; word-break: keep-all;
}
.sc-people { display: flex; flex-direction: column; gap: .3rem; }
.sc-person { font-size: .93rem; color: var(--ink-soft); line-height: 1.45; }
.sc-person b { color: var(--ink); font-weight: 800; }
.sc-org { color: var(--ink-soft); font-weight: 500; }
@media (max-width: 760px) {
  .sc-row { grid-template-columns: 1fr; gap: .45rem; padding: .9rem 1.1rem; }
  .sc-sec, .sc-sec.lv2 { padding-left: 1.1rem; padding-right: 1.1rem; }
  .sc-grp { grid-template-columns: 64px 1fr; gap: .5rem; }
}

/* ---------- Archive ---------- */
.archive-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem;
}
.arc-tile {
  position: relative; border: 1px solid var(--ink); background: var(--paper);
  aspect-ratio: 3/4; overflow: hidden; display: block;
  transition: background .25s, color .25s;
}
.arc-tile:hover { background: var(--ink); color: var(--paper); }
.arc-tile:hover .arc-cta { color: var(--accent); }
.arc-body {
  height: 100%; padding: 1.8rem 1.6rem;
  display: flex; flex-direction: column;
}
.arc-no {
  font-family: var(--display); font-stretch: 115%; font-weight: 800;
  font-size: .78rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--accent);
}
.arc-year {
  font-family: var(--display); font-stretch: 125%; font-weight: 900;
  font-size: clamp(3rem, 7vw, 5.5rem); line-height: 1; margin-top: .6rem;
  letter-spacing: -.02em;
}
.arc-title {
  margin-top: auto; font-weight: 800; font-size: 1.05rem;
  line-height: 1.4; word-break: keep-all;
}
.arc-cta {
  margin-top: 1.2rem; font-family: var(--display); font-stretch: 110%;
  font-weight: 800; font-size: .78rem; letter-spacing: .12em;
  text-transform: uppercase; transition: color .2s;
}
.arc-poster { width: 100%; height: 100%; object-fit: cover; }
.arc-overlay {
  position: absolute; inset: auto 0 0 0; padding: 1.4rem 1.6rem;
  background: linear-gradient(transparent, rgba(0,0,0,.78));
  color: #fff;
}
.arc-overlay .arc-year { font-size: 2.2rem; margin: 0; }
.arc-overlay .arc-title { margin-top: .3rem; font-size: .95rem; }

/* chips (연사 리스트) */
.chip-list { display: flex; flex-wrap: wrap; gap: .6rem; max-width: 900px; margin-top: 1.6rem; }
.chip {
  border: 1px solid var(--ink); padding: .45rem 1.1rem; border-radius: 999px;
  font-weight: 700; font-size: .92rem; background: var(--paper);
  transition: all .2s;
}
.chip:hover { background: var(--ink); color: var(--paper); }

/* video grid */
.video-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem 1.6rem;
  margin-top: 1.6rem;
}
.video-frame {
  display: block; position: relative;
  aspect-ratio: 16/9; border: 1px solid var(--ink); overflow: hidden; background: #000;
  transition: transform .25s;
}
.video-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }
.video-frame:hover { transform: translateY(-3px); }
.video-play {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 56px; height: 56px; border-radius: 50%; background: rgba(16,20,43,.6);
  display: flex; align-items: center; justify-content: center; transition: background .2s;
}
.video-frame:hover .video-play { background: var(--accent); }
.video-play::after {
  content: ''; border-style: solid; border-width: 9px 0 9px 15px;
  border-color: transparent transparent transparent #fff; margin-left: 3px;
}
.video-frame iframe { width: 100%; height: 100%; border: 0; }
.video-item p { margin-top: .7rem; font-weight: 700; font-size: .95rem; word-break: keep-all; }

/* photo grid */
.photo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1.6rem; }
.photo-grid img { border: 1px solid var(--ink); aspect-ratio: 4/3; object-fit: cover; width: 100%; }

/* ---------- News ---------- */
.news-list { border-top: 2px solid var(--ink); max-width: 1000px; }
.news-list li { border-bottom: 1px solid var(--line); }
.news-list a {
  display: grid; grid-template-columns: 110px 1fr 30px; gap: 1.2rem;
  align-items: baseline; padding: 1.05rem .2rem; transition: all .15s;
}
.news-list .n-row {
  display: grid; grid-template-columns: 110px 1fr; gap: 1.2rem;
  align-items: baseline; padding: 1.05rem .2rem;
}
.news-list a:hover { background: var(--paper-warm); }
.news-list a:hover .n-title { color: var(--accent); }
.n-date {
  font-family: var(--display); font-stretch: 112%; font-weight: 700;
  font-size: .82rem; letter-spacing: .04em; color: var(--ink-soft);
}
.n-title { font-weight: 700; font-size: .98rem; word-break: keep-all; transition: color .15s; }
.n-arrow { text-align: right; color: var(--ink-soft); }

/* ---------- Partners / Organizer ---------- */
.logo-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: 1.6rem;
  max-width: 1000px;
}
.logo-box {
  border: 1px solid var(--line); background: #fff; aspect-ratio: 5/3;
  display: flex; align-items: center; justify-content: center;
  padding: 1.2rem; transition: border-color .2s;
}
.logo-box:hover { border-color: var(--ink); }
.logo-box img { max-height: 100%; object-fit: contain; filter: grayscale(1); transition: filter .3s; }
.logo-box:hover img { filter: grayscale(0); }
.logo-box.empty {
  color: var(--ink-soft); font-size: .82rem; font-weight: 600;
  border-style: dashed; background: transparent;
}
.dl-row { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 1.4rem; }
.btn-dl-asset {
  display: inline-block; border: 1.5px solid var(--ink); padding: .6rem 1.4rem;
  font-family: var(--display); font-stretch: 110%; font-weight: 800;
  font-size: .78rem; letter-spacing: .1em; text-transform: uppercase;
  transition: all .2s;
}
.btn-dl-asset:hover { background: var(--ink); color: var(--paper); }

/* ---------- Speaker modal ---------- */
.speaker-card[data-name] { cursor: pointer; }
.sp-modal-overlay {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(17,16,20,.62);
  display: flex; align-items: center; justify-content: center;
  padding: 5vh 4%;
  animation: spFade .2s ease;
}
@keyframes spFade { from { opacity: 0; } to { opacity: 1; } }
.sp-modal {
  background: var(--paper); max-width: 760px; width: 100%;
  max-height: 88vh; overflow-y: auto; position: relative;
  border: 1px solid var(--ink);
  animation: spUp .25s ease;
}
@keyframes spUp { from { transform: translateY(18px); opacity: 0; } to { transform: none; opacity: 1; } }
.sp-modal-close {
  position: sticky; top: 0; float: right; margin: .8rem .8rem 0 0;
  width: 40px; height: 40px; border: 1px solid var(--ink); background: var(--paper);
  font-size: 1.4rem; line-height: 1; cursor: pointer; z-index: 2;
  transition: all .2s;
}
.sp-modal-close:hover { background: var(--ink); color: var(--paper); }
.sp-modal-body {
  display: grid; grid-template-columns: 220px 1fr; gap: 2rem;
  padding: 2.4rem;
}
.sp-modal-photo {
  width: 210px; position: relative;
}
.sp-modal-photo img {
  display: block; width: 100%; height: auto;
}
.sp-modal-label {
  font-family: var(--display); font-stretch: 115%; font-weight: 800;
  font-size: .75rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--accent); margin-bottom: .8rem;
}
.sp-modal-text h3 { font-size: 1.6rem; font-weight: 800; letter-spacing: -.01em; }
.sp-modal-title { color: var(--ink-soft); font-weight: 600; margin-top: .2rem; font-size: .95rem; }
.sp-modal-bio { margin-top: 1.2rem; line-height: 1.8; word-break: keep-all; font-size: .98rem; }
.sp-modal-links { margin-top: 1.6rem; border-top: 1px solid var(--line); padding-top: 1.2rem; }
.sp-modal-links-label {
  font-family: var(--display); font-stretch: 112%; font-weight: 800;
  font-size: .72rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--ink-soft); margin-bottom: .6rem;
}
.sp-modal-links a {
  display: block; padding: .45rem 0; font-size: .88rem; font-weight: 600;
  color: var(--ink); border-bottom: 1px dashed var(--line);
}
.sp-modal-links a:hover { color: var(--accent); }
@media (max-width: 640px) {
  .sp-modal-body { grid-template-columns: 1fr; padding: 1.6rem; }
  .sp-modal-photo { width: 150px; margin: 0 auto; }
  .sp-modal-text { text-align: left; }
}

/* ---------- Registration form ---------- */
.reg-form { max-width: 640px; margin-top: 2.5rem; }
.reg-field { margin-bottom: 1.4rem; }
.reg-field label { display: block; font-weight: 800; font-size: .9rem; margin-bottom: .45rem; }
.reg-field input {
  width: 100%; padding: .95rem 1.1rem; border: 1px solid var(--ink);
  background: #fff; font-family: var(--body); font-size: 1rem;
  border-radius: 0; box-sizing: border-box;
}
.reg-field input:focus { outline: 3px solid rgba(37,71,229,.22); border-color: var(--accent); }
.reg-hint { display: block; margin-top: .4rem; color: var(--ink-soft); font-size: .8rem; }
.reg-consent {
  margin: 1.8rem 0; padding: 1.1rem 1.2rem; border: 1px solid var(--line);
  background: var(--paper-warm); font-size: .85rem; color: var(--ink-soft);
}
.reg-consent label { display: flex; gap: .7rem; align-items: flex-start; cursor: pointer; }
.reg-consent input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--accent); flex-shrink: 0; }
.reg-msg { margin-top: 1rem; font-weight: 700; }
.reg-done { max-width: 900px; margin-top: 2rem; }

/* coming soon */
.coming-wrap {
  border: 1px dashed var(--ink-soft); padding: clamp(2.5rem, 6vw, 5rem);
  text-align: center; max-width: 900px;
}
.coming-wrap .big {
  font-family: var(--display); font-stretch: 125%; font-weight: 900;
  font-size: clamp(2rem, 6vw, 4rem); text-transform: uppercase; line-height: 1;
  color: var(--ink);
}
.coming-wrap .big span { color: var(--accent); }
.coming-wrap p { margin-top: 1.2rem; color: var(--ink-soft); word-break: keep-all; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .track-grid { grid-template-columns: 1fr; }
  .track-card { border-right: 0; border-bottom: 1px solid var(--ink); min-height: 0; }
  .track-card:last-child { border-bottom: 0; }
  .speaker-grid, .speaker-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .location-grid { grid-template-columns: 1fr; }
  .main-nav {
    position: fixed; inset: 64px 0 auto 0;
    background: var(--paper); flex-direction: column; align-items: flex-start;
    padding: 1.5rem 5%; gap: 1.2rem; border-bottom: 1px solid var(--ink);
    transform: translateY(-130%); transition: transform .3s; z-index: -1;
  }
  .main-nav.open { transform: none; }
  .nav-toggle { display: block; }
  .btn-cta { display: none; }
  .nav-item { height: auto; flex-direction: column; align-items: flex-start; }
  .nav-item .sub {
    display: block; position: static; transform: none; border: 0;
    box-shadow: none; background: transparent; padding: .2rem 0 .4rem .9rem;
    min-width: 0;
  }
  .nav-item .sub a { padding: .3rem 0; }
  .nav-item .sub a:hover { background: transparent; color: var(--accent); padding-left: .3rem; }
  .archive-grid { grid-template-columns: repeat(2, 1fr); }
  .video-grid { grid-template-columns: 1fr; }
  .logo-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .speaker-grid, .speaker-grid.cols-4 { grid-template-columns: 1fr 1fr; gap: 1.6rem .9rem; }
  .speaker-info h3 { font-size: .95rem; }
  .speaker-info p { font-size: .78rem; }
  .history-list li { grid-template-columns: 88px 1fr; gap: .8rem; font-size: .9rem; }
  .hero { padding-bottom: 70px; }
  .float-text { font-size: .85rem; }
  .float-btn { padding: .55rem 1rem; font-size: .75rem; }
  .sched-list li { grid-template-columns: 96px 1fr; gap: .7rem; }
  .sched-list .time { font-size: .78rem; }
  .sched-list .who { grid-column: 2; margin-top: -.3rem; }
  .news-list a { grid-template-columns: 84px 1fr; }
  .n-arrow { display: none; }
  .archive-grid { grid-template-columns: 1fr; }
  .arc-tile { aspect-ratio: 4/3; }
}

/* ============================================
   Future Stage — 블랙 + 네온그린 테마 (브로셔 피오니홀 매칭)
   <body class="fs-theme"> 인 페이지에만 적용
   ============================================ */
body.fs-theme {
  --accent: var(--neon);
  --accent-dark: var(--neon-deep);
  --accent-soft: #d2ff7a;
  background: #0d0f0a;
  color: #e9ece3;
}
body.fs-theme .site-header { background: #0d0f0a; border-bottom-color: #2b2f22; }
body.fs-theme .nav-toggle span,
body.fs-theme .nav-toggle span::before,
body.fs-theme .nav-toggle span::after { background: #e9ece3; }
body.fs-theme .nav-item .sub { background: #16190f; border-color: #2b2f22; box-shadow: 0 14px 30px rgba(0,0,0,.5); }
body.fs-theme .nav-item .sub a:hover { background: var(--accent); color: #0d0f0a; }
body.fs-theme .lang-switch { color: #8f9484; }
body.fs-theme .btn-cta { background: var(--accent); color: #0d0f0a; }
body.fs-theme .btn-cta:hover { background: #fff; color: #0d0f0a; }

body.fs-theme .page-hero { background: var(--accent); color: #0d0f0a; }
body.fs-theme .page-hero::before {
  background:
    radial-gradient(ellipse 42% 46% at 82% 8%, rgba(255,255,255,.18), transparent 62%),
    radial-gradient(ellipse 38% 42% at 8% 92%, rgba(13,15,10,.10), transparent 65%);
}
body.fs-theme .page-hero .crumb { color: rgba(13,15,10,.6); }
body.fs-theme .page-hero h1 .en { color: rgba(13,15,10,.72); }
body.fs-theme .subnav { background: #0d0f0a; border-bottom-color: #2b2f22; }
body.fs-theme .subnav a { color: #8f9484; }
body.fs-theme .subnav a:hover { color: #e9ece3; border-color: var(--accent); }
body.fs-theme .subnav a.on { color: var(--accent); border-color: var(--accent); }
body.fs-theme .subnav-crumb { color: #8f9484; }
body.fs-theme .subnav-crumb span { color: #3a4030; }

body.fs-theme .section.warm { background: #14170d; border-color: #2b2f22; }
body.fs-theme .section-head-row { border-bottom-color: #34392a; }
body.fs-theme .section-title .en { color: var(--accent); }
body.fs-theme .section-desc { color: #a7ab9b; }

/* Future Stage: 메인과 동일하게 완성형 카드 이미지(초록) 사용 */
body.fs-theme .speaker-role { color: #0d0f0a; }
/* Future Stage 연사 팝업: 다크 배경 + 밝은 글자 */
body.fs-theme .sp-modal { background: #14170d; border-color: #2b2f22; }
body.fs-theme .sp-modal-close { background: #14170d; border-color: #3a4030; color: #e9ece3; }
body.fs-theme .sp-modal-close:hover { background: var(--accent); color: #0d0f0a; border-color: var(--accent); }
body.fs-theme .sp-modal-text h3 { color: #e9ece3; }
body.fs-theme .sp-modal-title { color: #a7ab9b; }
body.fs-theme .sp-modal-bio { color: #c8ccbe; }
body.fs-theme .sp-modal-links { border-top-color: #2b2f22; }
body.fs-theme .sp-modal-links-label { color: #8f9484; }
body.fs-theme .sp-modal-links a { color: #e9ece3; border-bottom-color: #2b2f22; }
body.fs-theme .sp-modal-links a:hover { color: var(--accent); }
body.fs-theme .speaker-info p { color: #a7ab9b; }
body.fs-theme .speaker-photo .ph-fallback { color: rgba(13,15,10,.55); }
body.fs-theme .carousel-btn { background: #14170d; border-color: #3a4030; color: #e9ece3; }
body.fs-theme .carousel-btn:hover { background: var(--accent); color: #0d0f0a; border-color: var(--accent); }

body.fs-theme .btn-primary { background: var(--accent); color: #0d0f0a; }
body.fs-theme .btn-primary:hover { background: #fff; color: #0d0f0a; }

body.fs-theme .site-footer { background: #080a05; color: #7d8273; }
body.fs-theme .site-footer a:hover { color: var(--accent); }
body.fs-theme .footer-logo { color: #e9ece3; }
body.fs-theme .footer-logo span { color: var(--accent); }
body.fs-theme .footer-bottom { border-top-color: #20241a; color: #5f6457; }

/* Future Stage 프로그램 세션 */
.fs-session { border-top: 1px solid #2b2f22; padding: 1.7rem 0; }
.fs-session:first-child { border-top: 0; padding-top: .4rem; }
.fs-session-bar { display: flex; align-items: center; gap: .9rem; flex-wrap: wrap; }
.fs-session-no {
  font-family: var(--display); font-stretch: 116%; font-weight: 900;
  font-size: .76rem; letter-spacing: .1em; text-transform: uppercase;
  background: var(--neon); color: #0d0f0a; padding: .25rem .6rem;
}
.fs-session-cat {
  font-family: var(--display); font-stretch: 112%; font-weight: 800;
  font-size: 1.15rem; letter-spacing: .04em; text-transform: uppercase; color: #e9ece3;
}
.fs-session-topic { margin-top: .85rem; font-size: 1.15rem; font-weight: 800; word-break: keep-all; color: #e9ece3; }
.fs-session-topic em { font-style: normal; font-weight: 600; color: #8f9484; font-size: .85rem; margin-left: .2rem; }
.fs-session-list { margin-top: 1rem; display: grid; gap: .55rem; }
.fs-session-list li { display: flex; align-items: baseline; gap: .8rem; flex-wrap: wrap; font-size: .98rem; }
.fsp-role {
  font-family: var(--display); font-stretch: 110%; font-weight: 800;
  font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--neon); min-width: 46px;
}
.fsp-name { font-weight: 800; color: #e9ece3; }
.fsp-org { color: #a7ab9b; font-size: .9rem; }
.fsp-tba { color: #8f9484; font-weight: 600; }

/* Hackathon 페이지 */
.hack-tracks { display: grid; grid-template-columns: repeat(2, 1fr); border: 1px solid var(--ink); }
.hack-tracks .track-card { border-right: 1px solid var(--ink); }
.hack-tracks .track-card:last-child { border-right: 0; }
.hack-dl { border-top: 2px solid var(--ink); max-width: 820px; }
.hack-dl div { display: grid; grid-template-columns: 160px 1fr; gap: 1rem; padding: 1rem .2rem; border-bottom: 1px solid var(--line); align-items: baseline; }
.hack-dl dt { font-family: var(--display); font-stretch: 112%; font-weight: 800; font-size: .82rem; letter-spacing: .06em; text-transform: uppercase; color: var(--accent); }
.hack-dl dd { color: var(--ink-soft); word-break: keep-all; }
.hack-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.hack-block { background: var(--paper); border: 1px solid var(--ink); padding: 1.8rem; }
.hack-block h3 { font-size: 1.1rem; font-weight: 800; margin-bottom: .8rem; }
.hack-block p { color: var(--ink-soft); font-size: .95rem; line-height: 1.7; word-break: keep-all; }
.hack-block b { color: var(--ink); }
.hack-block ul { margin-top: .8rem; display: grid; gap: .5rem; }
.hack-block li { position: relative; padding-left: 1rem; color: var(--ink-soft); font-size: .94rem; line-height: 1.6; word-break: keep-all; }
.hack-block li::before { content: ''; position: absolute; left: 0; top: .5em; width: 5px; height: 5px; background: var(--accent); }
@media (max-width: 860px) {
  .hack-tracks { grid-template-columns: 1fr; }
  .hack-tracks .track-card { border-right: 0; border-bottom: 1px solid var(--ink); }
  .hack-tracks .track-card:last-child { border-bottom: 0; }
  .hack-grid { grid-template-columns: 1fr; }
  .hack-dl div { grid-template-columns: 110px 1fr; }
}

/* Hackathon 테마: 포스터 오렌지 컬러 (강조색 전환) */
body.hack-theme {
  --accent: #ff4a1a;
  --accent-dark: #d6360c;
  --accent-soft: #ffd9cb;
}
body.hack-theme .page-hero::before {
  background:
    radial-gradient(ellipse 40% 45% at 85% 10%, rgba(255,210,193,.5), transparent 65%),
    radial-gradient(ellipse 35% 40% at 10% 90%, rgba(214,54,12,.5), transparent 65%);
}
body.hack-theme ::selection { background: var(--accent); color: #fff; }

/* ============================================
   모바일 반응형 보정
   ============================================ */
/* 1. 서브네비: 모바일에서 브레드크럼을 탭 위로 이동 */
@media (max-width: 760px) {
  .subnav-inner { flex-direction: column; align-items: stretch; gap: .55rem; }
  .subnav-crumb { order: -1; font-size: .8rem; }
  .subnav-tabs { width: 100%; }
}
/* 2. 햄버거 GNB: 블랙 배경 + 흰색 폰트로 통일 (전 테마 공통) */
@media (max-width: 960px) {
  .main-nav { background: #0d0f0a; border-bottom-color: #000; }
  .main-nav a, .main-nav .nav-top { color: #e9ece3; }
  .main-nav a.active, .main-nav a.sub-on, .main-nav .nav-top.active { color: var(--accent); }
  .main-nav .nav-item .sub,
  body.fs-theme .main-nav .nav-item .sub,
  body.hack-theme .main-nav .nav-item .sub { background: transparent; border: 0; box-shadow: none; }
  .main-nav .nav-item .sub a { color: #b9bcb2; }
  .main-nav .nav-item .sub a:hover { color: var(--accent); background: transparent; padding-left: .3rem; }
}