/* ============================================================
   청라국제도시 아이파크 상업시설 — STUDIO MERIDIAN
   국제도시 블루 기조 · 카토그래피(항해/좌표) 무드
   히어로 파티클 앰비언스 + 스크롤 카드 시퀀스(웨이포인트)
   라이브러리: particles.js (Vincent Garreau classic) — vendor
   ============================================================ */

:root{
  /* 국제도시 블루 — 정밀 네이비 */
  --ink:#061522;            /* 심해 네이비 */
  --ink-2:#0a2236;          /* 패널 네이비 */
  --ink-3:#0f3050;          /* 카드 라인 */
  --marine:#103a63;         /* 마린 블루 */
  --azure:#1f6fb2;          /* 메인 블루 */
  --cyan:#39c2e0;           /* 시안 글린트 */
  --cyan-soft:#8fe3f2;
  --steel:#9fb8cc;          /* 스틸 텍스트 */
  --steel-dim:#6a8499;
  --paper:#eef6fb;          /* 라이트 섹션 */
  --paper-2:#dceaf3;
  --line:rgba(159,184,204,.16);
  --line-strong:rgba(159,184,204,.32);
  --gold:#cfa86b;           /* 절제된 황동 악센트(브랜드 신뢰) */

  --maxw:1240px;
  --gut:clamp(20px,5vw,64px);
  --r:14px;

  --serif:"Fraunces",Georgia,serif;
  --sans:"Sora","Pretendard","Noto Sans KR",system-ui,sans-serif;
  --mono:"Space Mono","DM Mono",ui-monospace,monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--ink);
  color:var(--steel);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}

.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut)}
.mono{font-family:var(--mono);letter-spacing:.04em}

/* ---------- 스크롤 진행 (위도선 게이지) ---------- */
.gauge{position:fixed;left:0;top:0;height:3px;width:100%;z-index:90;background:transparent}
.gauge__bar{height:100%;width:0;background:linear-gradient(90deg,var(--azure),var(--cyan));box-shadow:0 0 14px var(--cyan)}

/* ---------- NAV ---------- */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:80;
  display:flex;align-items:center;justify-content:space-between;
  padding:16px var(--gut);
  transition:background .4s ease,backdrop-filter .4s ease,padding .4s ease,border-color .4s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(6,21,34,.78);backdrop-filter:blur(14px);
  border-bottom-color:var(--line);padding-block:11px;
}
.brand{display:flex;align-items:center;gap:11px;font-weight:600;letter-spacing:.02em;color:#fff}
.brand__mark{width:30px;height:30px;flex:none}
.brand small{display:block;font-family:var(--mono);font-size:9px;letter-spacing:.28em;color:var(--cyan);font-weight:400}
.brand b{font-weight:700}
.nav__menu{display:flex;gap:30px;font-size:14px;color:var(--steel)}
.nav__menu a{position:relative;padding:4px 0;transition:color .25s}
.nav__menu a::after{content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--cyan);transition:width .3s}
.nav__menu a:hover{color:#fff}
.nav__menu a:hover::after{width:100%}
.nav__cta{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:var(--ink);
  background:var(--cyan);padding:9px 18px;border-radius:40px;transition:transform .2s,box-shadow .2s;
}
.nav__cta:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(57,194,224,.35)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{width:24px;height:2px;background:#fff;transition:.3s}

/* 모바일 드로어 */
.drawer{position:fixed;inset:0;z-index:95;background:rgba(6,21,34,.97);backdrop-filter:blur(8px);
  display:flex;flex-direction:column;justify-content:center;gap:8px;padding:var(--gut);
  transform:translateX(100%);transition:transform .4s cubic-bezier(.7,0,.2,1);visibility:hidden}
.drawer.open{transform:translateX(0);visibility:visible}
.drawer a{font-family:var(--serif);font-size:clamp(28px,8vw,42px);color:#fff;padding:8px 0}
.drawer a span{font-family:var(--mono);font-size:12px;color:var(--cyan);margin-right:14px}
.drawer .x{position:absolute;top:20px;right:24px;font-size:34px;background:none;border:0;color:#fff;cursor:pointer;line-height:1}

/* ---------- HERO (파티클 앰비언스) ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;background:radial-gradient(120% 90% at 70% 10%,#0c2942 0%,#061522 60%)}
#particles{position:absolute;inset:0;z-index:1}
.hero__img{position:absolute;inset:0;z-index:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1.4s ease}
.hero__img.has-img{opacity:.34}
.hero::after{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  background:linear-gradient(90deg,rgba(6,21,34,.92) 0%,rgba(6,21,34,.55) 45%,rgba(6,21,34,.2) 100%)}
.hero__inner{position:relative;z-index:3;width:100%}
.hero .coord{font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:var(--cyan);
  display:inline-flex;align-items:center;gap:10px;margin-bottom:24px}
.hero .coord::before{content:"";width:30px;height:1px;background:var(--cyan)}
.hero h1{font-family:var(--serif);font-weight:500;color:#fff;
  font-size:clamp(40px,7.4vw,92px);line-height:1.02;letter-spacing:-.01em;max-width:15ch}
.hero h1 em{font-style:italic;color:var(--cyan-soft)}
.hero .lead{margin-top:26px;max-width:50ch;font-size:clamp(15px,2vw,18px);color:var(--steel)}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:38px}
.hero__meta{display:flex;gap:clamp(20px,4vw,52px);margin-top:54px;flex-wrap:wrap}
.hero__meta div{position:relative;padding-left:16px}
.hero__meta div::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:2px;background:var(--cyan)}
.hero__meta b{display:block;font-family:var(--serif);font-size:clamp(20px,3vw,28px);color:#fff;font-weight:500;line-height:1.1}
.hero__meta span{font-size:12.5px;color:var(--steel-dim)}
.hero__down{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:3;
  font-family:var(--mono);font-size:10px;letter-spacing:.3em;color:var(--steel-dim);text-align:center}
.hero__down i{display:block;width:1px;height:34px;margin:8px auto 0;background:linear-gradient(var(--cyan),transparent);animation:drop 1.8s infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}50.1%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- 버튼 ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:14px;
  padding:14px 26px;border-radius:44px;cursor:pointer;border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .25s,color .25s}
.btn svg{width:17px;height:17px;transition:transform .25s}
.btn:hover svg{transform:translateX(4px)}
.btn--fill{background:var(--cyan);color:var(--ink)}
.btn--fill:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(57,194,224,.4)}
.btn--ghost{border-color:var(--line-strong);color:#fff}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan)}

/* ---------- 섹션 공통 ---------- */
section{position:relative}
.sec{padding-block:clamp(74px,11vw,140px)}
.sec--paper{background:var(--paper);color:var(--ink-2)}
.sec--paper .sub-ink{color:var(--marine)}
.eyebrow{font-family:var(--mono);font-size:11.5px;letter-spacing:.22em;color:var(--cyan);
  display:inline-flex;align-items:center;gap:10px;margin-bottom:18px}
.sec--paper .eyebrow{color:var(--azure)}
.eyebrow::before{content:"◇";color:var(--cyan)}
.sec--paper .eyebrow::before{color:var(--azure)}
.h2{font-family:var(--serif);font-weight:500;font-size:clamp(28px,4.6vw,52px);line-height:1.08;
  letter-spacing:-.01em;color:#fff;max-width:18ch}
.sec--paper .h2{color:var(--ink)}
.h2 em{font-style:italic;color:var(--cyan)}
.sec--paper .h2 em{color:var(--azure)}
.lead2{margin-top:18px;max-width:58ch;font-size:clamp(15px,1.8vw,17px)}

/* ---------- 개요: 스탯 좌표판 ---------- */
.over__grid{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(30px,5vw,70px);align-items:center;margin-top:54px}
.over__stats{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.stat{background:var(--ink-2);padding:clamp(22px,3vw,34px)}
.stat .k{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;color:var(--steel-dim);text-transform:uppercase}
.stat .v{font-family:var(--serif);font-size:clamp(26px,4vw,40px);color:#fff;font-weight:500;line-height:1.05;margin-top:10px}
.stat .v em{font-style:normal;font-size:.5em;color:var(--cyan);font-family:var(--sans);font-weight:600}
.stat .n{font-size:12.5px;color:var(--steel-dim);margin-top:6px}
.over__fig{position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:4/5;background:var(--ink-3)}
.over__fig .ph{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1s}
.over__fig .ph.has-img{opacity:1}
.over__fig .tag{position:absolute;left:16px;bottom:16px;z-index:2;font-family:var(--mono);font-size:11px;
  letter-spacing:.12em;color:#fff;background:rgba(6,21,34,.6);backdrop-filter:blur(6px);padding:8px 13px;border-radius:30px;border:1px solid var(--line-strong)}

/* ---------- 입지: 좌표 카드 ---------- */
.loc__head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap}
.loc__cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:50px}
.locc{background:var(--ink-2);border:1px solid var(--line);border-radius:var(--r);padding:clamp(22px,3vw,30px);
  position:relative;overflow:hidden;transition:transform .35s cubic-bezier(.2,.7,.2,1),border-color .35s}
.locc::before{content:"";position:absolute;inset:0;background:radial-gradient(120% 100% at 100% 0,rgba(57,194,224,.1),transparent 60%);opacity:0;transition:opacity .4s}
.locc:hover{transform:translateY(-6px);border-color:var(--line-strong)}
.locc:hover::before{opacity:1}
.locc .idx{font-family:var(--mono);font-size:11px;color:var(--cyan);letter-spacing:.1em}
.locc h3{font-family:var(--serif);font-weight:500;font-size:clamp(20px,2.6vw,26px);color:#fff;margin:14px 0 10px}
.locc p{font-size:14px;color:var(--steel)}
.locc .pill{display:inline-block;margin-top:16px;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;
  color:var(--cyan);border:1px solid var(--line-strong);padding:5px 11px;border-radius:30px}

/* ---------- 스크롤 카드 시퀀스 (프리미엄5 웨이포인트) ---------- */
.way{background:var(--ink-2);overflow:hidden}
.way__intro{max-width:var(--maxw);margin-inline:auto;padding:clamp(74px,10vw,120px) var(--gut) clamp(30px,5vw,50px)}
.seq{position:relative;max-width:1100px;margin:0 auto;padding:0 var(--gut) clamp(60px,9vw,110px)}
.seq__line{position:absolute;left:calc(var(--gut) + 17px);top:0;bottom:clamp(60px,9vw,110px);width:2px;background:var(--line)}
.seq__line i{position:absolute;left:0;top:0;width:100%;height:0;background:linear-gradient(var(--cyan),var(--azure));box-shadow:0 0 12px var(--cyan)}
.wp{position:relative;padding:clamp(26px,4vw,42px) 0 clamp(26px,4vw,42px) clamp(50px,7vw,80px);
  opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.wp.in{opacity:1;transform:none}
.wp__dot{position:absolute;left:8px;top:clamp(32px,4.6vw,50px);width:20px;height:20px;border-radius:50%;
  background:var(--ink-2);border:2px solid var(--steel-dim);z-index:2;transition:border-color .4s,box-shadow .4s,transform .4s}
.wp.in .wp__dot{border-color:var(--cyan);box-shadow:0 0 0 5px rgba(57,194,224,.14);transform:scale(1.1)}
.wp__no{font-family:var(--mono);font-size:12px;letter-spacing:.16em;color:var(--cyan)}
.wp h3{font-family:var(--serif);font-weight:500;font-size:clamp(24px,3.8vw,40px);color:#fff;margin:10px 0 12px;line-height:1.1}
.wp h3 em{font-style:italic;color:var(--cyan-soft)}
.wp p{max-width:54ch;font-size:clamp(14.5px,1.7vw,16px);color:var(--steel)}

/* ---------- 상가구성: 층 스택 ---------- */
.floor__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:50px}
.fl{position:relative;border-radius:var(--r);overflow:hidden;min-height:340px;display:flex;flex-direction:column;justify-content:flex-end;
  padding:clamp(22px,3vw,30px);color:#fff;border:1px solid var(--line)}
.fl .bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1s,transform 6s ease}
.fl .bg.has-img{opacity:1}
.fl:hover .bg.has-img{transform:scale(1.06)}
.fl::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(6,21,34,.92),rgba(6,21,34,.15) 70%)}
.fl>*{position:relative;z-index:2}
.fl .lv{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--cyan)}
.fl h3{font-family:var(--serif);font-weight:500;font-size:clamp(20px,2.6vw,26px);margin:10px 0 8px}
.fl p{font-size:13.5px;color:var(--paper-2)}
.usefn{display:flex;flex-wrap:wrap;gap:9px;margin-top:46px}
.usefn span{font-family:var(--mono);font-size:12px;letter-spacing:.05em;color:var(--marine);
  border:1px solid var(--line-strong);background:#fff;padding:9px 15px;border-radius:30px}
.sec--paper .usefn span{color:var(--marine)}

/* ---------- 투자포인트 밴드 ---------- */
.note{background:linear-gradient(135deg,#0a2236,#103a63);border:1px solid var(--line);border-radius:var(--r);
  padding:clamp(28px,4vw,48px);margin-top:50px;display:grid;grid-template-columns:auto 1fr;gap:clamp(20px,3vw,36px);align-items:center}
.note__ico{width:clamp(48px,7vw,72px);height:clamp(48px,7vw,72px);flex:none;color:var(--cyan)}
.note h3{font-family:var(--serif);font-weight:500;font-size:clamp(20px,2.8vw,30px);color:#fff;line-height:1.18}
.note p{margin-top:12px;font-size:14.5px;color:var(--steel);max-width:62ch}

/* ---------- 관심등록 ---------- */
.reg{background:radial-gradient(110% 90% at 20% 10%,#0c2942,#061522 65%);overflow:hidden;position:relative}
.reg__net{position:absolute;inset:0;opacity:.5;pointer-events:none}
.reg__grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:clamp(34px,6vw,72px);align-items:center}
.reg h2{font-family:var(--serif);font-weight:500;font-size:clamp(28px,4.6vw,52px);color:#fff;line-height:1.08}
.reg h2 em{font-style:italic;color:var(--cyan)}
.reg .lead2{color:var(--steel)}
.reg__tel{margin-top:28px;display:inline-flex;align-items:center;gap:12px;font-family:var(--serif);font-size:clamp(22px,3vw,30px);color:#fff}
.reg__tel svg{width:24px;height:24px;color:var(--cyan)}
.form{background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--r);padding:clamp(24px,3.5vw,38px);backdrop-filter:blur(8px)}
.field{margin-bottom:16px}
.field label{display:block;font-size:12.5px;color:var(--steel);margin-bottom:7px;font-family:var(--mono);letter-spacing:.04em}
.field label b{color:var(--cyan)}
.field input,.field select{width:100%;background:rgba(6,21,34,.6);border:1px solid var(--line-strong);border-radius:9px;
  padding:13px 15px;color:#fff;font-family:var(--sans);font-size:15px;transition:border-color .25s,background .25s}
.field input::placeholder{color:var(--steel-dim)}
.field input:focus,.field select:focus{outline:none;border-color:var(--cyan);background:rgba(6,21,34,.85)}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%2339c2e0' stroke-width='2' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:12.5px;color:var(--steel-dim);margin:6px 0 18px}
.consent input{margin-top:3px;accent-color:var(--cyan);flex:none}
.form .btn--fill{width:100%;justify-content:center}
.form__ok{display:none;text-align:center;padding:14px 0}
.form__ok.show{display:block;animation:pop .5s}
.form__ok .chk{width:60px;height:60px;margin:0 auto 14px;border-radius:50%;background:rgba(57,194,224,.14);
  display:grid;place-items:center;color:var(--cyan)}
.form__ok .chk svg{width:30px;height:30px}
.form__ok h4{font-family:var(--serif);font-size:24px;color:#fff;font-weight:500}
.form__ok p{font-size:14px;color:var(--steel);margin-top:8px}
@keyframes pop{from{opacity:0;transform:scale(.9)}to{opacity:1;transform:none}}

/* ---------- sticky CTA (모바일) ---------- */
.sticky{position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  background:rgba(6,21,34,.92);backdrop-filter:blur(14px);border-top:1px solid var(--line);
  padding:11px var(--gut);gap:11px;align-items:center;justify-content:space-between;
  transform:translateY(110%);transition:transform .4s}
.sticky.show{transform:none}
.sticky .t{font-size:12px;color:var(--steel)}
.sticky .t b{display:block;color:#fff;font-family:var(--serif);font-size:16px;font-weight:500}
.sticky a{flex:none}

/* ---------- 푸터 ---------- */
.foot{background:var(--ink);border-top:1px solid var(--line);padding-block:clamp(46px,6vw,72px)}
.foot__top{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:flex-start}
.foot__brand{font-family:var(--serif);font-size:22px;color:#fff;font-weight:500}
.foot__brand small{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.22em;color:var(--cyan);margin-top:6px}
.foot__contact{font-size:14px}
.foot__contact a{color:#fff;font-family:var(--serif);font-size:20px}
.foot__disc{margin-top:34px;padding-top:24px;border-top:1px solid var(--line);font-size:12px;color:var(--steel-dim);line-height:1.7;max-width:90ch}
.foot__legal{margin-top:18px;font-size:11.5px;color:var(--steel-dim)}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.08s}.rv.d2{transition-delay:.16s}.rv.d3{transition-delay:.24s}

/* ---------- 반응형 ---------- */
@media(max-width:980px){
  .nav__menu{display:none}
  .burger{display:flex}
  .over__grid{grid-template-columns:1fr}
  .over__fig{aspect-ratio:16/10;order:-1}
  .loc__cards{grid-template-columns:1fr}
  .floor__grid{grid-template-columns:1fr}
  .note{grid-template-columns:1fr;text-align:left}
  .reg__grid{grid-template-columns:1fr}
  .sticky{display:flex}
  body{padding-bottom:74px}
}
@media(max-width:560px){
  .over__stats{grid-template-columns:1fr}
  .hero__cta .btn{flex:1;justify-content:center}
}

/* ---------- 접근성: 모션 감소 ---------- */
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  .rv,.wp{opacity:1;transform:none}
  .hero__down i{display:none}
}

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

/* 예시 평면/배치도(원본 도면 부재 시 대체) · 테마무관 */
.ex-plan{--plan-accent:currentColor;margin:30px auto 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--wide>svg{max-width:880px}
.ex-plan--sec{padding:clamp(48px,8vw,90px) clamp(18px,5vw,40px)}
.ex-plan__h{max-width:880px;margin:0 auto 20px;text-align:center;font-size:clamp(1.3rem,2.6vw,1.9rem);font-weight:700;letter-spacing:-.01em}
.ex-plan__why{max-width:760px;margin:16px auto 0;text-align:center;font-size:.94rem;opacity:.85;line-height:1.65}
.ex-plan__cap{max-width:880px;margin:8px auto 0;text-align:center;font-size:.8rem;opacity:.6}
.ex-plan__cap b,.ex-plan__why b{font-weight:700}