/* =========================================================
   신안인스빌 퍼스티지 — "숫자가 이야기하는" 데이터 타이포 레이아웃
   STUDIO BAEKMOK · numerals.css (독립 디자인, 공유 골격 미사용)
   ========================================================= */

:root{
  --ink:#14181c;        /* 잉크 슬레이트 */
  --ink-2:#252b32;
  --paper:#f4f0e8;      /* 웜 페이퍼 */
  --paper-2:#ece6da;
  --line:#d7cfbf;
  --line-d:#33393f;
  --muted:#6c7178;
  --muted-d:#9aa1a8;
  --amber:#c8772e;      /* 사인 앰버 — 태양광의 빛 */
  --amber-soft:#e3a85e;
  --sky:#2f6f8f;        /* 경강선 블루 */
  --w:1180px;
  --mono:'Space Grotesk','Pretendard',system-ui,sans-serif;
  --sans:'Pretendard','Noto Sans KR',system-ui,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  font-family:var(--sans);
  background:var(--paper);
  color:var(--ink);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{width:min(var(--w),92vw);margin-inline:auto}
.mono{font-family:var(--mono);font-feature-settings:"tnum" 1;letter-spacing:-.02em}

/* ---------- 진행바 ---------- */
.prog{position:fixed;top:0;left:0;height:3px;width:0;background:var(--amber);z-index:120;transition:width .1s linear}

/* ---------- 헤더 ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px clamp(18px,4vw,46px);
  transition:background .35s var(--ease),box-shadow .35s var(--ease),color .35s var(--ease);
  color:var(--paper);
}
.nav.solid{background:var(--paper);color:var(--ink);box-shadow:0 1px 0 var(--line)}
.nav__brand{font-family:var(--mono);font-weight:600;font-size:1.02rem;letter-spacing:.02em;display:flex;gap:9px;align-items:center}
.nav__brand i{width:9px;height:9px;border-radius:50%;background:var(--amber);font-style:normal}
.nav__brand b{font-weight:600}
.nav__menu{display:flex;gap:30px;font-size:.86rem;letter-spacing:.01em}
.nav__menu a{position:relative;opacity:.85;transition:opacity .2s}
.nav__menu a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:1px;background:currentColor;transition:width .25s var(--ease)}
.nav__menu a:hover{opacity:1}
.nav__menu a:hover::after{width:100%}
.nav__cta{
  font-family:var(--mono);font-size:.82rem;font-weight:500;letter-spacing:.02em;
  border:1px solid currentColor;padding:9px 18px;border-radius:2px;transition:.25s var(--ease);
}
.nav__cta:hover{background:var(--amber);border-color:var(--amber);color:#fff}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{width:24px;height:2px;background:currentColor;transition:.3s}

/* 모바일 메뉴 */
.sheet{
  position:fixed;inset:0;z-index:110;background:var(--ink);color:var(--paper);
  display:flex;flex-direction:column;justify-content:center;gap:6px;padding:0 9vw;
  transform:translateY(-100%);transition:transform .5s var(--ease);
}
.sheet.open{transform:none}
.sheet a{font-family:var(--mono);font-size:1.7rem;font-weight:500;padding:11px 0;border-bottom:1px solid var(--line-d);display:flex;justify-content:space-between;align-items:baseline}
.sheet a span{font-size:.8rem;color:var(--muted-d)}
.sheet .x{position:absolute;top:24px;right:7vw;background:none;border:0;color:var(--paper);font-size:2rem;cursor:pointer;line-height:1}

/* =========================================================
   HERO — 거대한 핵심 수치 + 3초 3요소
   ========================================================= */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;color:var(--paper);overflow:hidden}
.hero__bg{position:absolute;inset:0;background:linear-gradient(150deg,#1c2329,#2c3942 60%,#3a4b3f);transition:opacity 1s}
.hero__bg.has-img{background-size:cover;background-position:center}
.hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,18,22,.55),rgba(14,18,22,.35) 40%,rgba(14,18,22,.9))}
.hero__inner{position:relative;z-index:2;width:min(var(--w),92vw);margin-inline:auto;padding:0 0 clamp(40px,7vh,90px)}
.hero__tag{font-family:var(--mono);font-size:.78rem;letter-spacing:.32em;color:var(--amber-soft);text-transform:uppercase;margin-bottom:26px}
.hero h1{
  font-family:var(--mono);font-weight:500;line-height:1.02;letter-spacing:-.03em;
  font-size:clamp(2.6rem,8.2vw,6.4rem);max-width:14ch;
}
.hero h1 b{font-weight:700;color:var(--amber-soft);font-style:normal}
.hero__sub{margin-top:26px;max-width:46ch;font-size:clamp(.98rem,1.4vw,1.12rem);color:#e7e3d9}
/* 3초 3요소 — 핵심 수치 띠 */
.hero__facts{
  display:flex;flex-wrap:wrap;gap:clamp(22px,5vw,64px);margin-top:46px;
  padding-top:28px;border-top:1px solid rgba(255,255,255,.22);
}
.fact{min-width:90px}
.fact .v{font-family:var(--mono);font-weight:600;font-size:clamp(1.9rem,4vw,3rem);line-height:1;letter-spacing:-.02em}
.fact .v small{font-size:.42em;font-weight:500;margin-left:3px;color:var(--amber-soft)}
.fact .k{font-size:.76rem;color:#cfcabe;margin-top:9px;letter-spacing:.02em}
.hero__scroll{position:absolute;right:clamp(18px,4vw,46px);bottom:34px;z-index:2;writing-mode:vertical-rl;font-family:var(--mono);font-size:.72rem;letter-spacing:.3em;color:#d8d3c7;display:flex;align-items:center;gap:14px}
.hero__scroll::after{content:"";width:1px;height:40px;background:linear-gradient(var(--amber-soft),transparent);animation:drop 1.8s var(--ease) infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* =========================================================
   섹션 공통
   ========================================================= */
.sec{padding:clamp(72px,12vh,140px) 0}
.sec--ink{background:var(--ink);color:var(--paper)}
.sec--ink .lead{color:#d6d1c6}
.eyebrow{font-family:var(--mono);font-size:.74rem;letter-spacing:.3em;text-transform:uppercase;color:var(--amber);display:flex;align-items:center;gap:12px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--amber)}
.sec--ink .eyebrow{color:var(--amber-soft)}
.sec--ink .eyebrow::before{background:var(--amber-soft)}
.h2{font-family:var(--mono);font-weight:500;letter-spacing:-.025em;line-height:1.08;font-size:clamp(1.9rem,4.4vw,3.2rem);margin-top:20px}
.h2 b{font-weight:700;color:var(--amber);font-style:normal}
.sec--ink .h2 b{color:var(--amber-soft)}
.lead{color:var(--muted);font-size:clamp(1rem,1.3vw,1.1rem);max-width:60ch}

/* 흐름 개요 인덱스 */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:54px}
.flow a{background:var(--paper);padding:26px 22px;display:block;transition:.3s var(--ease)}
.flow a:hover{background:var(--paper-2)}
.flow .no{font-family:var(--mono);font-size:.78rem;color:var(--amber);letter-spacing:.1em}
.flow .ti{font-family:var(--mono);font-weight:600;font-size:1.18rem;margin-top:14px;letter-spacing:-.01em}
.flow .de{font-size:.82rem;color:var(--muted);margin-top:6px}

/* =========================================================
   데이터 보드 — 시그니처 카운트업 그리드
   ========================================================= */
.board{display:grid;grid-template-columns:repeat(12,1fr);gap:1px;background:var(--line-d);border:1px solid var(--line-d);margin-top:56px}
.cell{background:var(--ink);padding:clamp(26px,3vw,40px);position:relative;overflow:hidden}
.cell--xl{grid-column:span 6;grid-row:span 2;display:flex;flex-direction:column;justify-content:space-between;min-height:300px}
.cell--m{grid-column:span 3}
.cell--w{grid-column:span 6}
.cell .num{font-family:var(--mono);font-weight:600;letter-spacing:-.03em;line-height:.9;color:var(--paper)}
.cell--xl .num{font-size:clamp(4.4rem,12vw,9rem)}
.cell--m .num,.cell--w .num{font-size:clamp(2.6rem,6vw,4.2rem)}
.cell .num small{font-size:.28em;font-weight:500;color:var(--amber-soft);margin-left:6px;letter-spacing:0}
.cell .lab{font-size:.82rem;color:var(--muted-d);margin-top:18px;letter-spacing:.02em;line-height:1.5}
.cell--xl .cap{font-family:var(--mono);font-size:.76rem;letter-spacing:.24em;color:var(--amber-soft);text-transform:uppercase}
.cell .spark{position:absolute;right:-10px;bottom:-10px;font-family:var(--mono);font-weight:700;font-size:7rem;color:rgba(200,119,46,.07);line-height:1;pointer-events:none}

/* =========================================================
   입지 — 역까지 분 카운트업 타임라인
   ========================================================= */
.access{margin-top:54px;display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.acc-row{background:var(--paper);display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:clamp(16px,3vw,40px);padding:22px clamp(20px,3vw,34px);transition:background .3s}
.acc-row:hover{background:var(--paper-2)}
.acc-row .min{font-family:var(--mono);font-weight:600;font-size:clamp(2rem,5vw,3.2rem);letter-spacing:-.03em;color:var(--ink);min-width:3.6ch;text-align:right}
.acc-row .min small{font-size:.32em;font-weight:500;color:var(--amber);margin-left:4px}
.acc-row .place{font-family:var(--mono);font-weight:500;font-size:1.06rem;letter-spacing:-.01em}
.acc-row .note{font-size:.86rem;color:var(--muted);margin-top:3px}
.acc-row .mode{font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;color:var(--amber);text-transform:uppercase;text-align:right}

/* =========================================================
   미디어 / 갤러리
   ========================================================= */
.media{position:relative;border-radius:3px;overflow:hidden;background:linear-gradient(150deg,#cdd6c8,#e7decb)}
.media.bg{background-size:cover;background-position:center}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,5vw,72px);align-items:center}
.gal{display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:clamp(120px,16vw,210px);gap:14px;margin-top:54px}
.gal figure{position:relative;overflow:hidden;border-radius:3px;background:linear-gradient(150deg,#c9d4c4,#e7decb)}
.gal figure.bg{background-size:cover;background-position:center}
.gal .a{grid-column:span 4;grid-row:span 2}
.gal .b{grid-column:span 2;grid-row:span 1}
.gal .c{grid-column:span 2;grid-row:span 1}
.gal .d{grid-column:span 3;grid-row:span 1}
.gal .e{grid-column:span 3;grid-row:span 1}
.gal figcaption{position:absolute;left:0;bottom:0;font-family:var(--mono);font-size:.78rem;letter-spacing:.02em;color:#fff;background:linear-gradient(0deg,rgba(14,18,22,.8),transparent);padding:28px 18px 14px;width:100%}
.gal figure img,.gal figure .imgwrap{transition:transform .8s var(--ease)}
.gal figure:hover{}

/* 평면 */
.plan{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);margin-top:42px}
.plan .pc{background:var(--paper);padding:clamp(26px,3vw,42px)}
.plan .pc .ty{font-family:var(--mono);font-weight:700;font-size:clamp(2.2rem,5vw,3.4rem);letter-spacing:-.03em}
.plan .pc .ty small{font-size:.3em;font-weight:500;color:var(--amber)}
.plan .pc .qty{font-family:var(--mono);font-size:1.1rem;color:var(--amber);margin-top:10px}
.plan .pc .ds{color:var(--muted);font-size:.92rem;margin-top:10px}

/* =========================================================
   폼 / 등록
   ========================================================= */
.form{background:var(--ink-2);border:1px solid var(--line-d);border-radius:4px;padding:clamp(26px,3.4vw,42px)}
.field{margin-bottom:18px}
.field label{display:block;font-family:var(--mono);font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-d);margin-bottom:9px}
.field input,.field select{
  width:100%;background:#10151a;border:1px solid var(--line-d);color:var(--paper);
  padding:13px 15px;border-radius:3px;font-family:var(--sans);font-size:.98rem;transition:border .2s;
}
.field input::placeholder{color:#5c636b}
.field input:focus,.field select:focus{outline:none;border-color:var(--amber)}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:.86rem;color:var(--muted-d);margin:4px 0 22px;cursor:pointer}
.agree input{margin-top:4px;accent-color:var(--amber)}
.btn{
  font-family:var(--mono);font-weight:600;font-size:.92rem;letter-spacing:.04em;
  border:0;cursor:pointer;border-radius:3px;padding:15px 26px;display:inline-flex;align-items:center;justify-content:center;gap:10px;transition:.25s var(--ease);
}
.btn svg{width:17px;height:17px}
.btn--amber{background:var(--amber);color:#fff}
.btn--amber:hover{background:var(--amber-soft);transform:translateY(-2px)}
.btn--ghost{background:transparent;border:1px solid currentColor;color:var(--paper)}
.btn--ghost:hover{background:var(--paper);color:var(--ink)}
.btn--full{width:100%}
.form__ok{display:none;text-align:center;padding:30px 10px}
.form__ok.show{display:block;animation:rise .5s var(--ease)}
.form__ok .ic{width:54px;height:54px;border-radius:50%;background:var(--amber);display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.form__ok .ic svg{width:28px;height:28px;stroke:#fff;stroke-width:3;fill:none}
.form__ok h4{font-family:var(--mono);font-size:1.3rem;color:var(--paper);margin-bottom:8px}
.form__ok p{color:var(--muted-d);font-size:.92rem}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.tel{font-family:var(--mono);font-weight:600;font-size:clamp(1.5rem,3vw,2rem);color:var(--amber-soft);letter-spacing:-.01em;margin-top:6px}

/* =========================================================
   푸터
   ========================================================= */
.footer{background:#0e1216;color:var(--muted-d);padding:clamp(48px,7vh,80px) 0 40px;border-top:1px solid var(--line-d)}
.footer__top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px;align-items:flex-end;padding-bottom:30px;border-bottom:1px solid var(--line-d)}
.footer__brand{font-family:var(--mono);font-weight:600;font-size:1.3rem;color:var(--paper);display:flex;gap:9px;align-items:center}
.footer__brand i{width:9px;height:9px;border-radius:50%;background:var(--amber);font-style:normal}
.footer__studio{font-family:var(--mono);font-size:.8rem;letter-spacing:.12em;color:var(--muted)}
.footer__info{font-size:.86rem;line-height:1.9;margin-top:26px}
.footer__info b{color:var(--paper-2);font-weight:500}
.disc{font-size:.78rem;line-height:1.85;color:#5e656d;margin-top:24px;max-width:78ch}
.disc b{color:var(--amber-soft);font-weight:600}

/* 상시 CTA 도크 */
.dock{position:fixed;right:18px;bottom:18px;z-index:90;display:flex;flex-direction:column;gap:10px}
.dock a{
  width:54px;height:54px;border-radius:50%;background:var(--ink);color:var(--paper);
  display:flex;align-items:center;justify-content:center;box-shadow:0 8px 26px rgba(0,0,0,.28);
  transition:.25s var(--ease);position:relative;
}
.dock a svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:2}
.dock a.primary{background:var(--amber);width:auto;border-radius:30px;padding:0 22px;gap:9px;font-family:var(--mono);font-weight:600;font-size:.86rem}
.dock a:hover{transform:translateY(-3px)}
.dock a .tip{position:absolute;right:64px;background:var(--ink);color:#fff;font-size:.74rem;padding:6px 11px;border-radius:3px;white-space:nowrap;opacity:0;pointer-events:none;transition:.2s}
.dock a:hover .tip{opacity:1}
.dock a.primary .tip{display:none}

/* =========================================================
   리빌 모션
   ========================================================= */
[data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
[data-reveal].in{opacity:1;transform:none}
[data-reveal][data-d]{transition-delay:var(--d)}
@media (prefers-reduced-motion:reduce){
  [data-reveal]{opacity:1!important;transform:none!important;transition:none!important}
  .hero__scroll::after{animation:none}
}

/* =========================================================
   반응형
   ========================================================= */
@media (max-width:920px){
  .nav__menu{display:none}
  .burger{display:flex}
  .flow{grid-template-columns:repeat(2,1fr)}
  .cell--xl{grid-column:span 12}
  .cell--m{grid-column:span 6}
  .cell--w{grid-column:span 12}
  .split{grid-template-columns:1fr;gap:30px}
  .gal{grid-template-columns:repeat(4,1fr)}
  .gal .a{grid-column:span 4}
  .gal .b,.gal .c,.gal .d,.gal .e{grid-column:span 2}
  .plan{grid-template-columns:1fr}
}
@media (max-width:560px){
  .flow{grid-template-columns:1fr}
  .cell--m{grid-column:span 12}
  .acc-row{grid-template-columns:auto 1fr;row-gap:6px}
  .acc-row .mode{grid-column:2;text-align:left}
  .gal{grid-template-columns:repeat(2,1fr)}
  .gal .a,.gal .b,.gal .c,.gal .d,.gal .e{grid-column:span 2;grid-row:span 1}
  .hero__facts{gap:20px 28px}
  .dock a.primary span:not(.tip){display:none}
  .dock a.primary{width:54px;padding:0;border-radius:50%}
}

/* PLOT-KO-WRAP: 한글 어절 단위 줄바꿈 + 오버플로 방지 (어떤 폭에서도 자연스럽게) */
:where(html){word-break:keep-all;overflow-wrap:break-word}

/* ── 예시 평면도(원본 도면 부재 시 대체) · 테마무관 ───────── */
.ex-plan{--plan-accent:currentColor;margin:30px 0 4px}
.ex-plan>svg{display:block;width:100%;max-width:720px;margin:0 auto;background:color-mix(in srgb,currentColor 5%,transparent);border:1px solid color-mix(in srgb,currentColor 20%,transparent);border-radius:16px;padding:14px}
.ex-plan__cap{max-width:720px;margin:13px auto 0;text-align:center;font-size:.82rem;opacity:.72}
.ex-plan__cap b{font-weight:700}