/* ══════════ 색·기본 ══════════ */
:root{
  --ink:#101820;          /* helloMC 로고 먹색 */
  --red:#e8354a;          /* helloMC 별표 빨강 */
  --blue:#4b56cc;         /* 프로필 남보라 */
  --peri:#8189dd;
  --paper:#ffffff;
  --paper2:#f4f5fa;
  --text:#141a22;
  --muted:#6a7183;
  --line:#e3e5ee;
  --shadow:0 18px 44px -22px rgba(16,24,32,.5);
}
@media (prefers-color-scheme:dark){
  :root{
    --ink:#e9ecf5; --red:#ff5c6e; --blue:#8d95ef; --peri:#9aa1ea;
    --paper:#11141b; --paper2:#171b24; --text:#e9ecf5; --muted:#98a0b4;
    --line:#262b37; --shadow:0 18px 44px -22px rgba(0,0,0,.8);
  }
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:70px}
body{
  font-family:'Noto Sans KR',-apple-system,BlinkMacSystemFont,sans-serif;
  background:var(--paper);color:var(--text);line-height:1.75;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
.wrap{max-width:1080px;margin:0 auto;padding:0 26px}
.center{text-align:center}

/* ══════════ 헤더 ══════════ */
header{
  position:fixed;inset:0 0 auto;z-index:60;height:70px;
  display:flex;align-items:center;
  transition:background .35s, box-shadow .35s, height .35s;
}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%}
.logo{height:26px;width:auto;transition:height .35s}
.logo-dark{display:none}
header nav{display:flex;gap:26px;align-items:center}
header nav a{
  color:rgba(255,255,255,.86);text-decoration:none;font-size:14.5px;font-weight:500;
  letter-spacing:-.01em;transition:color .2s;white-space:nowrap;
}
header nav a:hover{color:#fff}
.cta-top{
  background:var(--red);color:#fff!important;padding:9px 20px;border-radius:999px;
  font-size:14px;font-weight:700;letter-spacing:-.01em;
  box-shadow:0 8px 20px -8px var(--red);transition:transform .2s;
}
.cta-top:hover{transform:translateY(-2px)}
header.solid{
  background:color-mix(in srgb,var(--paper) 92%,transparent);
  backdrop-filter:blur(16px);box-shadow:0 1px 0 var(--line);height:62px;
}
header.solid .logo-light{display:none}
header.solid .logo-dark{display:block}
header.solid nav a{color:var(--muted)}
header.solid nav a:hover{color:var(--blue)}
header.solid .cta-top{color:#fff!important}
@media (max-width:900px){ header nav a:not(.cta-top){display:none} }

/* ══════════ 히어로 ══════════ */
.hero{position:relative;min-height:min(94vh,860px);display:flex;align-items:flex-end;overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:64% center}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:
    linear-gradient(100deg,rgba(8,10,16,.94) 0%,rgba(8,10,16,.82) 34%,rgba(8,10,16,.35) 62%,rgba(8,10,16,.55) 100%),
    linear-gradient(to top,rgba(8,10,16,.9),transparent 42%);
}
.hero-in{position:relative;z-index:2;padding:150px 26px 46px;width:100%}
.badge{
  display:inline-flex;align-items:center;gap:9px;
  border:1px solid rgba(255,255,255,.3);border-radius:999px;
  padding:7px 17px;font-size:12.5px;letter-spacing:.1em;color:#fff;
  font-weight:500;margin-bottom:22px;backdrop-filter:blur(6px);
  background:rgba(255,255,255,.07);
}
.badge i{width:6px;height:6px;border-radius:50%;background:var(--red);display:block}
.hero h1{
  color:#fff;font-size:clamp(52px,11vw,104px);font-weight:900;
  line-height:.98;letter-spacing:-.055em;margin-bottom:12px;
  text-shadow:0 8px 40px rgba(0,0,0,.45);
}
.hero .en{
  color:rgba(255,255,255,.62);font-size:clamp(12px,2.2vw,15px);
  letter-spacing:.36em;font-weight:400;text-transform:uppercase;margin-bottom:26px;
}
.hero .slogan{
  color:#fff;font-size:clamp(19px,3.6vw,27px);font-weight:700;
  letter-spacing:-.03em;line-height:1.45;margin-bottom:10px;
}
.hero .slogan b{color:var(--red);font-weight:900}
.hero .desc{color:rgba(255,255,255,.72);font-size:clamp(14.5px,2.4vw,16.5px);max-width:520px}
.hero-btns{display:flex;gap:11px;flex-wrap:wrap;margin-top:32px}
.btn{
  display:inline-flex;align-items:center;gap:9px;padding:15px 30px;border-radius:999px;
  text-decoration:none;font-size:15px;font-weight:700;letter-spacing:-.01em;
  transition:transform .2s,box-shadow .2s;
}
.btn:hover{transform:translateY(-3px)}
.btn-red{background:var(--red);color:#fff;box-shadow:0 14px 32px -12px var(--red)}
.btn-glass{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(8px)}

/* 히어로 하단 지표 */
.metrics{
  position:relative;z-index:2;margin-top:44px;
  border-top:1px solid rgba(255,255,255,.18);
  display:grid;grid-template-columns:repeat(4,1fr);
}
.metrics div{padding:22px 8px 4px}
.metrics div + div{border-left:1px solid rgba(255,255,255,.14)}
.metrics b{
  display:block;color:#fff;font-size:clamp(22px,4vw,30px);font-weight:900;
  letter-spacing:-.04em;line-height:1.1;
}
.metrics small{color:rgba(255,255,255,.6);font-size:12.5px;letter-spacing:-.01em}
@media (max-width:620px){
  .metrics{grid-template-columns:repeat(2,1fr)}
  .metrics div:nth-child(3){border-left:none}
  .metrics div:nth-child(n+3){border-top:1px solid rgba(255,255,255,.14)}
}

/* ══════════ 섹션 공통 ══════════ */
section{padding:96px 0}
section.tint{background:var(--paper2)}
.eyebrow{
  display:flex;align-items:center;gap:11px;
  font-size:11.5px;font-weight:700;letter-spacing:.22em;color:var(--red);margin-bottom:14px;
}
.eyebrow::before{content:'';width:26px;height:2px;background:var(--red);border-radius:2px}
.center .eyebrow{justify-content:center}
h2{font-size:clamp(28px,5vw,42px);font-weight:900;letter-spacing:-.045em;line-height:1.24;margin-bottom:14px}
h2 em{font-style:normal;color:var(--blue)}
.lead{color:var(--muted);font-size:16px;max-width:640px;margin-bottom:44px}
.center .lead{margin-left:auto;margin-right:auto}

/* ══════════ 소개 ══════════ */
.about{display:grid;grid-template-columns:340px 1fr;gap:64px;align-items:start}
@media (max-width:880px){ .about{grid-template-columns:1fr;gap:40px} }
.about-visual{position:relative}
.about-visual .circle{
  width:300px;height:300px;border-radius:50%;overflow:hidden;
  border:6px solid var(--paper);box-shadow:var(--shadow);position:relative;z-index:2;
}
.about-visual .circle img{width:100%;height:100%;object-fit:cover}
.about-visual .ring{
  position:absolute;top:-14px;left:-14px;width:328px;height:328px;
  border:1.5px solid var(--peri);border-radius:50%;z-index:1;
}
.about-visual .snap{
  margin-top:-52px;margin-left:150px;width:210px;border-radius:14px;overflow:hidden;
  box-shadow:var(--shadow);border:5px solid var(--paper);position:relative;z-index:3;
}
@media (max-width:880px){
  .about-visual{display:flex;align-items:flex-end;gap:0}
  .about-visual .circle{width:210px;height:210px}
  .about-visual .ring{width:238px;height:238px}
  .about-visual .snap{margin:0 0 8px -46px;width:170px}
}
.about p{color:var(--muted);margin-bottom:17px;font-size:15.8px}
.about p strong{color:var(--text);font-weight:700}
.sign{
  margin-top:30px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
}
.sign .nm{font-size:21px;font-weight:900;letter-spacing:-.04em}
.sign .rl{font-size:13.5px;color:var(--muted)}

/* ══════════ 약력 ══════════ */
.profile{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:0 56px}
.profile li{
  list-style:none;display:flex;gap:14px;align-items:baseline;
  padding:14px 0;border-bottom:1px solid var(--line);font-size:15.5px;
}
.profile li .yr{
  flex:0 0 auto;font-size:11.5px;font-weight:700;letter-spacing:.06em;
  color:var(--blue);background:color-mix(in srgb,var(--blue) 11%,transparent);
  padding:3px 9px;border-radius:6px;
}
.profile li span.t{font-weight:500}

/* ══════════ 분야 카드 ══════════ */
.fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(238px,1fr));gap:16px}
.field{
  background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:30px 26px;
  transition:transform .28s,box-shadow .28s,border-color .28s;position:relative;overflow:hidden;
}
.field::after{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--blue),var(--red));
  transform:scaleX(0);transform-origin:left;transition:transform .35s;
}
.field:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.field:hover::after{transform:scaleX(1)}
.field .no{font-size:12px;font-weight:900;color:var(--peri);letter-spacing:.14em;margin-bottom:16px}
.field h3{font-size:19px;font-weight:900;letter-spacing:-.03em;margin-bottom:9px}
.field p{color:var(--muted);font-size:14.5px;line-height:1.68}

/* ══════════ 인용 배너 ══════════ */
.band{position:relative;padding:110px 0;overflow:hidden}
.band img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.band::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,12,20,.86),rgba(10,12,20,.9))}
.band .wrap{position:relative;z-index:2;text-align:center}
.band .qm{color:var(--red);font-size:46px;line-height:1;margin-bottom:14px;font-weight:900}
.band blockquote{
  color:#fff;font-size:clamp(20px,3.6vw,31px);font-weight:700;
  letter-spacing:-.035em;line-height:1.55;margin-bottom:22px;
}
.band cite{color:rgba(255,255,255,.55);font-style:normal;font-size:13.5px;letter-spacing:.02em}

/* ══════════ 실적 탭 ══════════ */
.tabs{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:26px}
.tab{
  font-family:inherit;cursor:pointer;padding:11px 22px;border-radius:999px;
  border:1px solid var(--line);background:var(--paper);color:var(--muted);
  font-size:14px;font-weight:700;letter-spacing:-.01em;transition:all .22s;
  display:inline-flex;align-items:center;gap:8px;
}
.tab .n{
  font-size:11px;font-weight:700;background:var(--paper2);color:var(--muted);
  padding:1px 7px;border-radius:99px;transition:all .22s;
}
.tab:hover{border-color:var(--peri);color:var(--blue)}
.tab[aria-selected="true"]{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.tab[aria-selected="true"] .n{background:rgba(125,132,212,.28);color:var(--paper)}
.panel{display:none;animation:fade .4s ease}
.panel.on{display:block}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.panel ul{
  columns:3;column-gap:38px;list-style:none;
  background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:30px 32px;
}
@media (max-width:900px){ .panel ul{columns:2;padding:24px} }
@media (max-width:560px){ .panel ul{columns:1} }
.panel li{
  break-inside:avoid;font-size:14.8px;padding:6px 0 6px 16px;position:relative;line-height:1.62;
}
.panel li::before{
  content:'';position:absolute;left:0;top:14px;width:5px;height:5px;
  border-radius:50%;background:var(--peri);
}

/* ══════════ 갤러리 ══════════ */
.filters{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:26px;justify-content:center}
.gal{display:grid;grid-template-columns:repeat(auto-fill,minmax(258px,1fr));gap:12px}
.gal figure{
  margin:0;position:relative;border-radius:16px;overflow:hidden;cursor:zoom-in;
  aspect-ratio:4/3;background:var(--paper2);border:1px solid var(--line);
}
.gal img{width:100%;height:100%;object-fit:cover;transition:transform .55s cubic-bezier(.2,.7,.3,1)}
.gal figcaption{
  position:absolute;inset:auto 0 0;padding:32px 15px 13px;
  background:linear-gradient(to top,rgba(8,10,16,.93),transparent);
  color:#fff;font-size:13.2px;font-weight:500;letter-spacing:-.015em;
  opacity:0;transform:translateY(8px);transition:opacity .3s,transform .3s;
}
.gal figure:hover img{transform:scale(1.07)}
.gal figure:hover figcaption{opacity:1;transform:none}
@media (hover:none){ .gal figcaption{opacity:1;transform:none} }

/* 라이트박스 */
.lb{
  position:fixed;inset:0;z-index:100;background:rgba(6,8,14,.96);
  display:none;align-items:center;justify-content:center;padding:56px 20px;
  backdrop-filter:blur(6px);
}
.lb.on{display:flex}
.lb img{max-width:min(1180px,94vw);max-height:80vh;object-fit:contain;border-radius:10px}
.lb .cap{
  position:absolute;left:0;right:0;bottom:26px;text-align:center;
  color:rgba(255,255,255,.86);font-size:14.5px;padding:0 20px;
}
.lb .cap b{color:#fff;font-weight:500}
.lb .cap i{display:block;font-style:normal;color:rgba(255,255,255,.45);font-size:12.5px;margin-top:4px}
.lb button{
  position:absolute;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  color:#fff;width:48px;height:48px;border-radius:50%;cursor:pointer;font-size:19px;
  display:flex;align-items:center;justify-content:center;transition:background .2s;
}
.lb button:hover{background:rgba(255,255,255,.24)}
.lb .x{top:20px;right:20px}
.lb .pv{left:20px;top:50%;margin-top:-24px}
.lb .nx{right:20px;top:50%;margin-top:-24px}
@media (max-width:620px){ .lb .pv{left:10px} .lb .nx{right:10px} .lb button{width:42px;height:42px} }

/* ══════════ 저서·앨범 ══════════ */
.works{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media (max-width:760px){ .works{grid-template-columns:1fr} }
.work{
  background:var(--paper);border:1px solid var(--line);border-radius:22px;
  padding:34px;display:flex;gap:26px;align-items:center;
}
@media (max-width:520px){ .work{flex-direction:column;text-align:center;gap:20px} }
.work img{width:132px;border-radius:10px;box-shadow:var(--shadow);flex:0 0 auto}
.work .kind{font-size:11px;letter-spacing:.2em;font-weight:900;color:var(--red);margin-bottom:9px}
.work h3{font-size:19.5px;font-weight:900;letter-spacing:-.035em;margin-bottom:8px;line-height:1.35}
.work p{color:var(--muted);font-size:14.2px;line-height:1.68}

/* ══════════ 문의 ══════════ */
.contact{background:var(--ink);color:#fff;padding:96px 0}
@media (prefers-color-scheme:dark){ .contact{background:#080a10} }
.contact h2{color:#fff}
.contact .lead{color:rgba(255,255,255,.6)}
.contact .eyebrow{color:var(--red)}
.phone{
  display:inline-flex;align-items:center;gap:16px;text-decoration:none;
  background:var(--red);color:#fff;padding:22px 42px;border-radius:20px;
  box-shadow:0 20px 46px -18px var(--red);transition:transform .25s;margin-bottom:36px;
}
.phone:hover{transform:translateY(-4px)}
.phone .ic{font-size:26px}
.phone .k{display:block;font-size:11.5px;letter-spacing:.18em;opacity:.8;font-weight:700}
.phone .v{display:block;font-size:clamp(28px,6vw,40px);font-weight:900;letter-spacing:-.04em;line-height:1.1}
.cgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:11px;max-width:820px;margin:0 auto}
.citem{
  display:flex;align-items:center;gap:14px;text-align:left;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:15px;padding:18px 20px;color:#fff;text-decoration:none;
  transition:background .22s,transform .22s,border-color .22s;
}
.citem:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.3);transform:translateY(-3px)}
.citem .ic{font-size:19px;flex:0 0 auto}
.citem .k{display:block;font-size:10.5px;letter-spacing:.16em;color:rgba(255,255,255,.5);font-weight:700}
.citem .v{display:block;font-size:14.5px;font-weight:500;letter-spacing:-.015em;word-break:break-all}

footer{background:var(--ink);color:rgba(255,255,255,.42);padding:34px 0;border-top:1px solid rgba(255,255,255,.1)}
@media (prefers-color-scheme:dark){ footer{background:#080a10} }
footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap}
footer img{height:22px;opacity:.85}
footer p{font-size:12.8px;letter-spacing:-.01em}

/* ══════════ 등장 효과 ══════════ */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.3,1),transform .8s cubic-bezier(.2,.7,.3,1)}
.rv.on{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  *{animation:none!important;transition:none!important}
}

/* ══════════ SEO 개편 추가 ══════════ */
.vh{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* H1 안의 키워드 줄 */
.h1-kicker{
  display:block;font-size:clamp(14px,2.8vw,19px);font-weight:700;letter-spacing:-.02em;
  color:rgba(255,255,255,.9);margin-bottom:6px;line-height:1.4;text-shadow:0 2px 14px rgba(0,0,0,.5);
}
.h1-kicker b{color:var(--red)}
.h1-name{display:block}

/* 서브 페이지 히어로 */
.subhero{position:relative;min-height:min(62vh,540px);display:flex;align-items:flex-end;overflow:hidden}
.subhero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.subhero::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(8,10,16,.95),rgba(8,10,16,.72) 55%,rgba(8,10,16,.55));
}
.subhero .wrap{position:relative;z-index:2;padding-top:150px;padding-bottom:48px}
.subhero h1{
  color:#fff;font-size:clamp(30px,6.4vw,52px);font-weight:900;
  letter-spacing:-.045em;line-height:1.16;margin-bottom:16px;
}
.subhero h1 em{font-style:normal;color:var(--red)}
.subhero .sub{color:rgba(255,255,255,.76);font-size:clamp(15px,2.6vw,17.5px);max-width:600px}
.subhero .hero-btns{margin-top:28px}

/* 이동 경로 */
.bc{font-size:12.5px;color:rgba(255,255,255,.55);margin-bottom:18px}
.bc a{color:rgba(255,255,255,.72);text-decoration:none}
.bc a:hover{color:#fff;text-decoration:underline}
.bc span{margin:0 7px;opacity:.5}

/* 체크 리스트 */
.checks{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px}
.check{
  display:flex;gap:13px;align-items:flex-start;background:var(--paper);
  border:1px solid var(--line);border-radius:15px;padding:20px 22px;
}
.check .ck{
  flex:0 0 22px;height:22px;border-radius:50%;background:var(--blue);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:900;margin-top:3px;
}
.check h3{font-size:15.8px;font-weight:700;letter-spacing:-.025em;margin-bottom:5px}
.check p{color:var(--muted);font-size:14.2px;line-height:1.65;margin:0}

/* 자주 묻는 질문 */
.faq{display:grid;gap:10px;max-width:820px}
.faq details{
  background:var(--paper);border:1px solid var(--line);border-radius:15px;
  padding:0 22px;transition:border-color .2s;
}
.faq details[open]{border-color:var(--peri)}
.faq summary{
  cursor:pointer;list-style:none;padding:19px 0;font-size:16px;font-weight:700;
  letter-spacing:-.025em;display:flex;justify-content:space-between;gap:16px;align-items:center;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';color:var(--peri);font-size:22px;font-weight:400;flex:0 0 auto;transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 0 20px;color:var(--muted);font-size:15px;line-height:1.78;border-top:1px solid var(--line);padding-top:16px}
.faq .a strong{color:var(--text);font-weight:500}

/* 다른 분야 링크 */
.related{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:12px}
.rel{
  display:block;background:var(--paper);border:1px solid var(--line);border-radius:16px;
  padding:22px 24px;text-decoration:none;color:var(--text);
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.rel:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--peri)}
.rel b{display:block;font-size:16.5px;font-weight:900;letter-spacing:-.03em;margin-bottom:5px}
.rel span{display:block;color:var(--muted);font-size:13.8px;line-height:1.6}
.rel i{display:block;font-style:normal;color:var(--red);font-size:13px;font-weight:700;margin-top:10px}

/* 푸터 사이트맵 */
.fnav{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:14px}
.fnav a{color:rgba(255,255,255,.62);text-decoration:none;font-size:13px}
.fnav a:hover{color:#fff;text-decoration:underline}
footer .wrap{align-items:flex-start}
footer .fcol p+p{margin-top:5px}
.kw{color:rgba(255,255,255,.28);font-size:11.5px;line-height:1.7;margin-top:12px;max-width:620px}

/* 본문 단락 가독성 — 한 줄이 너무 길어지지 않도록 */
section > .wrap > p:not(.lead):not(.eyebrow):not(.bc){max-width:800px;font-size:16px;line-height:1.85}
section > .wrap > p + p{margin-top:18px}

/* 푸터 정리 — 로고 비율 고정 + 2단 그리드 */
footer img{height:24px;width:auto!important}
footer .wrap{
  display:grid;grid-template-columns:1fr auto;gap:28px 40px;
  align-items:start;text-align:left;
}
footer .fcol:last-child{text-align:right}
footer .fcol:last-child p{white-space:nowrap}
@media (max-width:820px){
  footer .wrap{grid-template-columns:1fr}
  footer .fcol:last-child{text-align:left}
  footer .fcol:last-child p{white-space:normal}
}

/* width/height 속성과 CSS 폭 지정이 충돌해 비율이 깨지지 않도록 */
img{height:auto}