/* ═══════════════════════════════════════════════════════════
   concept.css — SINABRO (GRAY) 전용 컴포넌트
   base.css 보완: 히어로 성좌·초승달, 텔레포트, EPL 그리드,
   블로그 게시판, 커뮤니티, 우측하단 플로팅 버튼.
   ═══════════════════════════════════════════════════════════ */

::selection { background: rgba(169,189,214,.28); color: #fff; }

/* 은빛 그라디언트 텍스트 */
.silver-text {
  background: linear-gradient(180deg, #f2f5fa 0%, var(--brand) 55%, var(--accent-soft) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.dawn-text { color: var(--dawn); }

/* 라틴 세리프 강조(영문 문장) */
.verse-en {
  font-family: var(--font-head); font-style: italic;
  font-size: clamp(1.05rem, 2vw, 1.45rem); line-height: 1.5;
  color: var(--ink-soft); letter-spacing: .01em;
}

/* 상단 라벨 */
.kicker {
  display: inline-flex; align-items: center; gap: .6em;
  font-family: var(--font-body); font-weight: 600;
  text-transform: uppercase; letter-spacing: .24em; font-size: .72rem;
  color: var(--brand);
}
.kicker::before { content: ""; width: 26px; height: 1px; background: linear-gradient(90deg, transparent, var(--brand)); }
.kicker.center { justify-content: center; }
.kicker.center::after { content: ""; width: 26px; height: 1px; background: linear-gradient(90deg, var(--brand), transparent); }

/* 섹션 헤더 */
.sec-head { max-width: 64ch; }
.sec-head.center { margin-inline: auto; text-align: center; }
.sec-head h2 { margin-top: .8rem; font-family: var(--font-head); font-weight: 600; letter-spacing: 0; }
.sec-head .lead { margin-top: 1.1rem; }
.sec-head.center .lead { margin-inline: auto; }

/* 은빛 구분선 */
.rule-silver { height: 1px; border: 0; margin: 0; background: linear-gradient(90deg, transparent, var(--line-silver) 20%, var(--line-silver) 80%, transparent); }

/* 헤더 로고 */
.nav__logo { font-family: var(--font-head); font-weight: 600; letter-spacing: .22em; font-size: 1.35rem; }
.site-header { background: color-mix(in srgb, var(--bg) 78%, transparent); }
.nav__links a { letter-spacing: .06em; text-transform: uppercase; font-size: .82rem; }

/* 버튼 (달빛) */
.btn--primary { background: linear-gradient(180deg, #eef2f7, var(--brand)); color: var(--brand-ink); box-shadow: 0 10px 30px -14px rgba(199,208,220,.6); }
.btn--primary:hover { box-shadow: 0 16px 40px -14px rgba(199,208,220,.7); }
.btn--ghost { border: 1px solid var(--line-silver); color: var(--ink); }
.btn--ghost:hover { border-color: var(--brand); background: rgba(199,208,220,.06); }

/* ══════════════════ 히어로 ══════════════════ */
.hero {
  position: relative; overflow: hidden;
  min-height: min(94vh, 940px); display: flex; align-items: center;
  background:
    radial-gradient(120% 80% at 80% 6%, rgba(199,208,220,.10), transparent 55%),
    linear-gradient(180deg, var(--bg-deep) 40%, #14100c 100%);
}
/* 새벽 지평선(킬리만자로 서편의 여명) */
.hero::before {
  content: ""; position: absolute; inset-inline: 0; bottom: 0; height: 46%;
  background: radial-gradient(120% 120% at 50% 130%, rgba(224,160,106,.34), rgba(224,160,106,.06) 45%, transparent 65%);
  z-index: 1; pointer-events: none;
}
/* 성좌 캔버스 */
.hero__sky { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
/* 하단 페이드 */
.hero::after { content: ""; position: absolute; inset-inline: 0; bottom: 0; height: 24%; background: linear-gradient(180deg, transparent, var(--bg)); z-index: 2; }
.hero .container { position: relative; z-index: 3; }
.hero__inner { max-width: 52rem; }
.hero h1 {
  font-family: var(--font-head); font-weight: 600;
  font-size: var(--fs-hero); line-height: .98; letter-spacing: .04em;
  margin-top: 1rem;
}
.hero__tag { margin-top: 1.1rem; font-family: var(--font-serif-ko); font-size: clamp(1.05rem, 2.2vw, 1.35rem); color: var(--ink); }
.hero__intro { margin-top: 1.8rem; display: grid; gap: 1rem; max-width: 62ch; }
.hero__intro p { color: var(--ink-soft); }
.hero__intro .en { font-family: var(--font-head); font-style: italic; font-size: 1.15em; color: var(--ink-soft); }
.hero__intro .ko { font-size: .98rem; }

/* 텔레포트 빠른입장 버튼 */
.teleports { margin-top: 2.2rem; }
.teleports .label { font-size: .78rem; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: .8rem; }
.teleports__row { display: flex; flex-wrap: wrap; gap: .7rem; }
.tp {
  display: inline-flex; align-items: center; gap: .5em;
  padding: .7em 1.3em; border-radius: 999px; font-size: .86rem; font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase; color: var(--ink);
  border: 1px solid var(--line-silver); background: rgba(255,255,255,.02);
  transition: transform .25s var(--ease), border-color .25s, color .25s, box-shadow .25s;
}
.tp:hover { transform: translateY(-3px); border-color: var(--brand); color: #fff; box-shadow: var(--glow-moon); }
.tp::before { content: "◐"; color: var(--brand); font-size: .9em; }

.scroll-hint { position: absolute; left: 50%; bottom: 24px; transform: translateX(-50%); z-index: 3; color: var(--ink-faint); font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.scroll-hint span { width: 1px; height: 40px; background: linear-gradient(var(--brand), transparent); animation: scrollpulse 2.4s var(--ease) infinite; }
@keyframes scrollpulse { 0%,100%{opacity:.3; transform:scaleY(.6)} 50%{opacity:1; transform:scaleY(1)} }

/* ══════════════════ 지도 · 나침반 ══════════════════ */
.mapband { background: var(--bg-soft); }
.compass-card {
  position: relative; border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: radial-gradient(120% 120% at 50% 0%, rgba(169,189,214,.08), transparent 55%), var(--card);
  padding: clamp(28px, 5vw, 56px); display: grid; gap: 2rem;
  grid-template-columns: 1.1fr .9fr; align-items: center; overflow: hidden;
}
.compass-card__text h2 { font-family: var(--font-head); font-weight: 600; font-size: var(--fs-h2); }
.compass-card__text p { color: var(--ink-soft); margin-top: 1rem; }
.compass-card__meta { margin-top: 1.6rem; display: flex; flex-wrap: wrap; gap: .6rem; }
.compass-card__meta span { font-size: .8rem; color: var(--ink-soft); border: 1px solid var(--line-silver); border-radius: 999px; padding: .4em 1em; }
.compass-wrap { display: grid; place-items: center; }
.compass { width: min(280px, 70vw); height: auto; color: var(--brand); }
/* Earth2 부지 항공 사진 */
.land-photo {
  position: relative; margin: 0; border-radius: var(--radius);
  overflow: hidden; border: 1px solid var(--line-silver);
  box-shadow: var(--shadow-lg); max-height: 600px; width: 100%;
}
.land-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.land-photo figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 26px 18px 14px; font-size: .8rem; letter-spacing: .04em; color: var(--ink);
  background: linear-gradient(180deg, transparent, rgba(9,10,15,.85));
  display: flex; align-items: baseline; gap: .6em;
}
.land-photo figcaption span { color: var(--ink-faint); font-family: var(--font-head); font-style: italic; font-size: .95em; }

/* ══════════════════ 지역 소개 (Area) ══════════════════ */
.area-grid { margin-top: clamp(2.6rem, 5vw, 4rem); display: grid; gap: clamp(18px, 2.6vw, 30px); grid-template-columns: repeat(2, 1fr); }
.area-card {
  position: relative; border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--card-hi), var(--card)); padding: clamp(26px, 3.4vw, 42px);
  overflow: hidden; transition: transform .4s var(--ease), border-color .4s, box-shadow .4s;
}
.area-card:hover { transform: translateY(-6px); border-color: var(--line-silver); box-shadow: var(--shadow-lg); }
.area-card__no { font-family: var(--font-head); font-style: italic; font-size: 1.2rem; color: var(--brand); }
.area-card h3 { font-family: var(--font-head); font-weight: 600; font-size: clamp(1.5rem, 3vw, 2rem); margin-top: .3rem; }
.area-card h3 .ko { display: block; font-family: var(--font-serif-ko); font-size: 1rem; color: var(--ink-soft); margin-top: .3rem; letter-spacing: .04em; }
.area-card .en { color: var(--ink-soft); margin-top: 1.2rem; font-family: var(--font-head); font-style: italic; font-size: 1.12rem; line-height: 1.5; }
.area-card .ko-body { color: var(--ink-soft); margin-top: 1rem; font-size: .96rem; }
.area-card__chips { margin-top: 1.6rem; display: flex; flex-wrap: wrap; gap: .5rem; }
.area-card__chips a, .area-card__chips span { font-size: .78rem; letter-spacing: .05em; text-transform: uppercase; color: var(--ink); border: 1px solid var(--line-silver); border-radius: 999px; padding: .4em 1em; transition: .25s var(--ease); }
.area-card__chips a:hover { border-color: var(--brand); color: #fff; }

/* ══════════════════ EPL 그리드 ══════════════════ */
.epl-intro { max-width: 60ch; }
.epl-grid { margin-top: clamp(2.4rem, 5vw, 3.6rem); display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.epl {
  position: relative; display: flex; align-items: center; gap: .7em;
  padding: 15px 18px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--card); color: var(--ink); font-size: .92rem; letter-spacing: .04em;
  transition: transform .25s var(--ease), border-color .25s, background .25s, box-shadow .25s;
}
.epl::before { content: "◑"; color: var(--brand); font-size: .8em; opacity: .7; transition: .25s; }
.epl:hover { transform: translateY(-2px); border-color: var(--line-silver); background: var(--card-hi); box-shadow: var(--shadow); }
.epl:hover::before { opacity: 1; }
.epl .arrow { margin-left: auto; color: var(--ink-faint); opacity: 0; transform: translateX(-4px); transition: .25s var(--ease); }
.epl:hover .arrow { opacity: 1; transform: none; color: var(--brand); }
.epl.is-open { border-style: dashed; color: var(--ink-faint); background: transparent; }
.epl.is-open::before { content: "＋"; color: var(--dawn); }
.epl.is-open:hover { color: var(--dawn); border-color: var(--dawn-soft); }

/* ══════════════════ 블로그 게시판 ══════════════════ */
.blog { background: var(--bg-soft); }
.post {
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: var(--card); padding: clamp(24px, 4vw, 52px); max-width: 880px; margin-inline: auto;
}
.post__head { display: flex; align-items: center; gap: .8rem; color: var(--ink-faint); font-size: .85rem; }
.post__avatar { width: 38px; height: 38px; border-radius: 50%; background: radial-gradient(circle at 60% 40%, #2b2f38, #0c0d11); display: grid; place-items: center; border: 1px solid var(--line); flex: none; }
.post__avatar svg { width: 22px; height: 22px; color: var(--brand); }
.post__by { color: var(--ink); font-weight: 600; letter-spacing: .04em; }
.post__title { font-family: var(--font-head); font-weight: 600; font-size: clamp(1.6rem, 3.6vw, 2.5rem); line-height: 1.12; margin-top: 1.4rem; }
/* 반응형 영상 */
.video { position: relative; margin-top: 1.8rem; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: #000; aspect-ratio: 16 / 9; }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.post__body { margin-top: 1.8rem; display: grid; gap: 1.5rem; }
.post__body .pair { display: grid; gap: .3rem; }
.post__body .ko { color: var(--ink); }
.post__body .en { color: var(--ink-soft); font-family: var(--font-head); font-style: italic; font-size: 1.12rem; }
.post__note { margin-top: 2rem; padding-top: 1.4rem; border-top: 1px solid var(--line); font-size: .85rem; color: var(--ink-faint); }
.post__note a { color: var(--accent); }
.blog__more { margin-top: 2rem; text-align: center; color: var(--ink-faint); font-size: .9rem; }

/* ══════════════════ 커뮤니티 ══════════════════ */
.community { text-align: center; background: radial-gradient(80% 80% at 50% 10%, rgba(169,189,214,.07), transparent 60%), var(--bg-deep); }
.community__grid { margin-top: clamp(2.4rem, 5vw, 3.4rem); display: grid; gap: 18px; grid-template-columns: repeat(2, 1fr); max-width: 720px; margin-inline: auto; }
.comm-card {
  display: flex; flex-direction: column; align-items: center; gap: .7rem; text-align: center;
  padding: clamp(28px, 4vw, 44px); border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: var(--card); transition: transform .3s var(--ease), border-color .3s, box-shadow .3s;
}
.comm-card:hover { transform: translateY(-5px); border-color: var(--line-silver); box-shadow: var(--shadow-lg); }
.comm-card__icon { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; }
.comm-card--kakao .comm-card__icon { background: #FEE500; color: #191600; }
.comm-card--discord .comm-card__icon { background: #5865F2; color: #fff; }
.comm-card h3 { font-family: var(--font-serif-ko); font-weight: 700; font-size: 1.25rem; }
.comm-card p { color: var(--ink-faint); font-size: .85rem; word-break: break-all; }
.comm-card .go { margin-top: .4rem; font-size: .8rem; letter-spacing: .06em; text-transform: uppercase; color: var(--brand); }

/* ══════════════════ 우측 하단 플로팅 커뮤니티 버튼 (CROCKET 스타일) ══════════════════ */
.fab { position: fixed; right: clamp(16px, 3vw, 28px); bottom: clamp(16px, 3vw, 28px); z-index: 300; display: flex; flex-direction: column-reverse; align-items: flex-end; gap: 12px; }
.fab__toggle {
  width: 62px; height: 62px; border-radius: 50%; display: grid; place-items: center;
  background: linear-gradient(180deg, #eef2f7, var(--brand)); color: var(--brand-ink);
  box-shadow: 0 14px 34px -10px rgba(0,0,0,.6), 0 0 0 1px var(--line-silver);
  transition: transform .3s var(--ease), box-shadow .3s;
}
.fab__toggle:hover { transform: scale(1.06); }
.fab__toggle svg { width: 28px; height: 28px; transition: transform .35s var(--ease); }
.fab.open .fab__toggle svg { transform: rotate(90deg); }
.fab__menu { display: flex; flex-direction: column; gap: 10px; opacity: 0; transform: translateY(12px) scale(.96); pointer-events: none; transition: opacity .28s var(--ease), transform .28s var(--ease); transform-origin: bottom right; }
.fab.open .fab__menu { opacity: 1; transform: none; pointer-events: auto; }
.fab__item {
  display: inline-flex; align-items: center; gap: .6em; padding: .7em 1.1em; border-radius: 999px;
  background: var(--card-hi); border: 1px solid var(--line-silver); color: var(--ink);
  font-size: .85rem; font-weight: 600; white-space: nowrap; box-shadow: var(--shadow);
  transition: transform .2s var(--ease), border-color .2s;
}
.fab__item:hover { transform: translateX(-3px); border-color: var(--brand); }
.fab__item .dot { width: 22px; height: 22px; border-radius: 6px; display: grid; place-items: center; flex: none; }
.fab__item--kakao .dot { background: #FEE500; color: #191600; }
.fab__item--discord .dot { background: #5865F2; color: #fff; }
.fab__label { position: absolute; right: 74px; bottom: 20px; background: var(--card-hi); border: 1px solid var(--line-silver); color: var(--ink-soft); font-size: .78rem; padding: .4em .9em; border-radius: 999px; white-space: nowrap; opacity: 0; transform: translateX(8px); transition: .25s var(--ease); pointer-events: none; }
.fab:not(.open):hover .fab__label { opacity: 1; transform: none; }

/* 푸터 */
.site-footer .nav__logo { letter-spacing: .22em; }
.footer-built { color: var(--ink-faint); font-size: var(--fs-small); }

/* ══════════════════ 반응형 ══════════════════ */
@media (max-width: 900px) {
  .compass-card { grid-template-columns: 1fr; }
  .compass-wrap { order: -1; }
  .area-grid { grid-template-columns: 1fr; }
  .epl-grid { grid-template-columns: repeat(2, 1fr); }
  .community__grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .hero { min-height: auto; padding-block: clamp(96px, 24vw, 150px); }
  .epl-grid { grid-template-columns: 1fr; }
  .fab__label { display: none; }
}