:root{
  --warm-white:#F3F2EC;
  --olive:#2F332F;
  --stone:#B7BBB2;
  --moss:#7E8F63;
  --pale-green:#E6EADD;
  --wrap:1180px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic","Pretendard",sans-serif;
  background:var(--warm-white);
  color:var(--olive);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,p{margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:64px;display:flex;align-items:center;
  background:rgba(47,51,47,.92);
  backdrop-filter:blur(6px);
}
.site-header .wrap{width:100%;display:flex;align-items:center;justify-content:space-between}
.site-header .logo{
  color:var(--warm-white);font-weight:800;font-size:1.05rem;letter-spacing:.02em;
}
.header-contact{
  margin-left:auto;color:var(--warm-white);font-size:.92rem;font-weight:600;
  border:1px solid rgba(243,242,236,.4);border-radius:999px;padding:8px 18px;
  transition:background .2s,border-color .2s;
}
.header-contact:hover{background:var(--moss);border-color:var(--moss)}

/* ---------- hero ---------- */
.hero{
  position:relative;min-height:92vh;display:flex;align-items:flex-end;
  padding-top:64px;overflow:hidden;
}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media .hero-slide{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 68%;
  opacity:0;transition:opacity 1.4s ease;
}
.hero-media .hero-slide.is-active{opacity:1}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(30,33,29,.35) 0%,rgba(30,33,29,.20) 32%,rgba(24,27,22,.72) 88%,rgba(20,23,18,.86) 100%);
}
.hero-body{position:relative;z-index:1;width:100%;padding:64px 0 72px}
.hero-kicker{
  color:var(--pale-green);font-size:.85rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;margin-bottom:18px;
}
.hero h1{
  color:var(--warm-white);font-weight:800;line-height:1.06;letter-spacing:-.01em;
  font-size:clamp(2.6rem,7vw,5.2rem);margin-bottom:22px;
}
.hero-sub{
  color:var(--warm-white);font-weight:700;font-size:clamp(1.15rem,2.4vw,1.6rem);
  line-height:1.45;max-width:560px;margin-bottom:16px;
}
.hero-note{
  color:var(--stone);font-size:1rem;line-height:1.6;max-width:520px;margin-bottom:36px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:15px 28px;border-radius:999px;font-weight:700;font-size:.98rem;
  border:1px solid transparent;transition:transform .15s,background .2s,border-color .2s;
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--moss);color:var(--warm-white)}
.btn-primary:hover{background:#6c7c53}
.btn-ghost{border-color:rgba(243,242,236,.55);color:var(--warm-white)}
.btn-ghost:hover{border-color:var(--warm-white);background:rgba(243,242,236,.1)}

/* ---------- section shell ---------- */
section{padding:104px 0}
.section-tight{padding:88px 0}
.eyebrow{
  color:var(--moss);font-weight:800;font-size:.82rem;letter-spacing:.12em;
  text-transform:uppercase;margin-bottom:16px;
}
.section-title{
  font-size:clamp(1.9rem,4vw,2.9rem);font-weight:800;line-height:1.28;
  letter-spacing:-.01em;max-width:760px;
}
.section-lede{
  font-size:1.08rem;color:#525a51;line-height:1.7;max-width:620px;margin-top:20px;
}

/* ---------- problem finder ---------- */
.finder{background:var(--olive);color:var(--warm-white)}
.finder .eyebrow{color:var(--pale-green)}
.finder .section-title{color:var(--warm-white)}
.finder-list{margin-top:56px;border-top:1px solid rgba(243,242,236,.18)}
.finder-item{border-bottom:1px solid rgba(243,242,236,.18)}
.finder-item a{
  display:flex;align-items:baseline;justify-content:space-between;gap:24px;
  padding:30px 4px;
}
.finder-q{
  font-size:clamp(1.3rem,3vw,2rem);font-weight:700;letter-spacing:-.01em;
  transition:color .2s;
}
.finder-a{
  color:var(--stone);font-size:1rem;font-weight:600;white-space:nowrap;
  display:flex;align-items:center;gap:10px;transition:color .2s;
}
.finder-item a:hover .finder-q{color:var(--pale-green)}
.finder-item a:hover .finder-a{color:var(--moss)}
.finder-arrow{transition:transform .2s}
.finder-item a:hover .finder-arrow{transform:translateX(6px)}

/* ---------- editorial gallery ---------- */
.gallery-grid{
  display:grid;gap:14px;margin-top:56px;
  grid-template-columns:repeat(6,1fr);
}
.gallery-grid figure{margin:0;overflow:hidden;border-radius:2px;position:relative}
.gallery-grid img{width:100%;height:100%;object-fit:cover;display:block}
.gallery-grid figcaption{
  position:absolute;left:14px;bottom:12px;color:#fff;font-size:.82rem;font-weight:600;
  background:rgba(30,33,29,.55);padding:5px 11px;border-radius:999px;
}
.g-big{grid-column:span 4;aspect-ratio:4/3}
.g-small{grid-column:span 2;aspect-ratio:3/4}
.g-mid{grid-column:span 3;aspect-ratio:4/5}
.g-wide{grid-column:span 6;aspect-ratio:16/7}

/* ---------- NSEO cards ---------- */
.nseo-grid{
  display:grid;gap:16px;margin-top:56px;
  grid-template-columns:repeat(6,1fr);
}
.nseo-card{
  grid-column:span 3;position:relative;border-radius:3px;overflow:hidden;
  min-height:360px;display:flex;align-items:flex-end;
}
.nseo-card.is-large{grid-column:span 4;min-height:460px}
.nseo-card.is-small{grid-column:span 2;min-height:460px}
.nseo-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.nseo-card:hover img{transform:scale(1.05)}
.nseo-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,23,18,0) 40%,rgba(20,23,18,.82) 100%);
}
.nseo-card-body{position:relative;z-index:1;padding:26px;color:#fff}
.nseo-num{font-size:.8rem;font-weight:700;color:var(--pale-green);letter-spacing:.08em;margin-bottom:8px;display:block}
.nseo-name{font-size:1.4rem;font-weight:800;margin-bottom:8px}
.nseo-desc{font-size:.92rem;color:var(--stone);line-height:1.5}

/* ---------- before/after ---------- */
#cases .section-title{margin-bottom:1em}
.ba-block{margin-top:64px}
.ba-block + .ba-block{margin-top:72px}
.ba-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.ba-head h3{font-size:1.5rem;font-weight:800}
.ba-head a{
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
  font-size:.94rem;font-weight:800;color:var(--olive);
  background:var(--pale-green);padding:10px 20px;border-radius:999px;
  transition:background .2s,color .2s,transform .15s;
}
.ba-head a:hover{background:var(--moss);color:#fff;transform:translateX(2px)}
.ba-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.ba-pair figure{margin:0;position:relative;border-radius:2px;overflow:hidden;aspect-ratio:4/3}
.ba-pair img{width:100%;height:100%;object-fit:cover}
.ba-pair figcaption{
  position:absolute;left:12px;top:12px;font-size:.75rem;font-weight:800;letter-spacing:.08em;
  padding:5px 12px;border-radius:999px;background:rgba(20,23,18,.72);color:#fff;
}
.ba-pair .is-after figcaption{background:var(--moss)}

/* ---------- explain ---------- */
.explain{background:var(--pale-green)}
.explain-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;margin-top:56px;align-items:center}
.explain-points{display:flex;flex-direction:column;gap:0}
.explain-point{padding:20px 0;border-top:1px solid rgba(47,51,47,.15)}
.explain-point:last-child{border-bottom:1px solid rgba(47,51,47,.15)}
.explain-point-num{font-size:.82rem;font-weight:800;color:var(--moss);letter-spacing:.08em;margin-bottom:6px;display:block}
.explain-point h4{font-size:1.1rem;font-weight:700;margin-bottom:6px}
.explain-point p{color:#4b524a;font-size:.95rem;line-height:1.6}
.explain-media{border-radius:3px;overflow:hidden;aspect-ratio:3/4}
.explain-media img{width:100%;height:100%;object-fit:cover}

/* ---------- process table ---------- */
.process-table{width:100%;border-collapse:collapse;margin-top:20px;font-size:.95rem}
.process-table th,.process-table td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--stone)}
.process-table th{color:var(--moss);font-weight:700;font-size:.85rem}
.process-note{margin-top:14px;color:#8a8f84;font-size:.85rem}

/* ---------- FAQ ---------- */
.faq-list{margin-top:48px;border-top:1px solid var(--stone)}
.faq-item{border-bottom:1px solid var(--stone)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:24px 4px;font-weight:700;font-size:1.08rem;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:1.4rem;font-weight:400;color:var(--moss);flex:none;
  transition:transform .2s;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 4px 26px;color:#4b524a;line-height:1.7;max-width:680px}

/* ---------- hub ---------- */
.hub{background:var(--olive)}
.hub .eyebrow{color:var(--pale-green)}
.hub .section-title{color:#fff}
.hub-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-top:52px}
.hub-card{position:relative;border-radius:3px;overflow:hidden;aspect-ratio:3/4;display:flex;align-items:flex-end;flex:0 1 calc(25% - 12px)}
.hub-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.hub-card:hover img{transform:scale(1.06)}
.hub-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,23,18,0) 45%,rgba(20,23,18,.85) 100%)}
.hub-card span{position:relative;z-index:1;color:#fff;font-weight:700;font-size:1rem;padding:18px;line-height:1.4}

.hub-grid.hub-grid-mosaic{display:grid;grid-template-columns:repeat(3,1fr)}
.hub-grid-mosaic .hub-card{flex:none;aspect-ratio:1/1}
.hub-grid-mosaic .hub-card:nth-child(1){grid-column:1;grid-row:1}
.hub-grid-mosaic .hub-card:nth-child(2){grid-column:2;grid-row:1}
.hub-grid-mosaic .hub-card:nth-child(3){grid-column:1;grid-row:2}
.hub-grid-mosaic .hub-card:nth-child(4){grid-column:2;grid-row:2}
.hub-grid-mosaic .hub-card:nth-child(5){grid-column:3;grid-row:1/3;aspect-ratio:auto}

/* ---------- CTA ---------- */
.cta{background:var(--olive);color:var(--warm-white);text-align:left}
.cta-row{display:flex;align-items:center;justify-content:space-between;gap:24px}
.cta-inner{flex:1 1 auto;min-width:0}
.cta h2{font-size:clamp(1.3rem,2.3vw,1.9rem);font-weight:800;line-height:1.3;margin-bottom:20px}
.cta p{color:var(--stone);font-size:1.05rem;line-height:1.6}
.cta-btn{flex:0 0 auto}
@media (max-width:760px){
  .cta-row{flex-direction:column;align-items:flex-start}
  .cta p{margin-bottom:32px}
}

/* ---------- footer ---------- */
footer{background:#22251f;color:var(--stone);padding:56px 0 40px;font-size:.9rem}
.footer-brand{color:var(--warm-white);font-weight:800;font-size:1.15rem;margin-bottom:18px}
.footer-info{display:flex;flex-wrap:wrap;gap:6px 18px;line-height:1.9}
.footer-info a{color:var(--warm-white);font-weight:600}
.footer-rule{border:none;border-top:1px solid rgba(183,187,178,.2);margin:28px 0}
.footer-copy{font-size:.82rem;color:#8a8f84}

/* ---------- detail page intro ---------- */
.page-hero{
  position:relative;min-height:56vh;display:flex;align-items:flex-end;padding-top:64px;overflow:hidden;
}
.page-hero-media{position:absolute;inset:0}
.page-hero-media img{width:100%;height:100%;object-fit:cover}
.page-hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(30,33,29,.25) 0%,rgba(20,23,18,.8) 100%)}
.page-hero-body{position:relative;z-index:1;padding:52px 0 60px;color:#fff}
.page-kicker{color:var(--pale-green);font-weight:700;font-size:.85rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:16px}
.page-hero h1{font-size:clamp(2.2rem,5.5vw,3.6rem);font-weight:800;letter-spacing:-.01em;margin-bottom:16px}
.page-hero-sub{font-size:1.1rem;color:var(--stone);max-width:600px;line-height:1.6}
.intro{padding:80px 0 40px}
.intro-lede{font-size:1.15rem;line-height:1.8;color:#42493f;max-width:700px}
.breadcrumb{font-size:.85rem;color:#4b524a;margin-bottom:14px}
.breadcrumb a{color:var(--moss);font-weight:600}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .g-big{grid-column:span 2;aspect-ratio:4/3}
  .g-small{grid-column:span 1;aspect-ratio:3/4}
  .g-mid{grid-column:span 1;aspect-ratio:3/4}
  .g-wide{grid-column:span 2;aspect-ratio:4/3}
  .nseo-grid{grid-template-columns:repeat(2,1fr)}
  .nseo-card,.nseo-card.is-large,.nseo-card.is-small{grid-column:span 1;min-height:300px}
  .hub-card{flex-basis:calc(50% - 8px)}
  .hub-grid-mosaic{display:flex}
  .hub-grid-mosaic .hub-card{grid-column:auto;grid-row:auto;aspect-ratio:3/4;flex-basis:calc(50% - 8px)}
  .explain-grid{grid-template-columns:1fr;gap:32px}
  .explain-media{aspect-ratio:16/9}
}

@media (max-width:640px){
  .wrap{padding:0 20px}
  section{padding:72px 0}
  .hero{min-height:82vh}
  .hero-body{padding:40px 0 44px}
  .hero-media .hero-slide{object-position:center 74%}
  .site-header .logo{font-size:.98rem}
  .header-contact{padding:7px 14px;font-size:.85rem}
  .finder-item a{flex-direction:column;align-items:flex-start;gap:8px;padding:22px 2px}
  .ba-pair{grid-template-columns:1fr}
  .nseo-grid,.gallery-grid{grid-template-columns:1fr}
  .g-big,.g-small,.g-mid,.g-wide{grid-column:span 1;aspect-ratio:4/3}
  .nseo-card,.nseo-card.is-large,.nseo-card.is-small{grid-column:span 1;min-height:280px}
  .hub-card,.hub-grid-mosaic .hub-card{flex-basis:100%;aspect-ratio:3/4}
  .footer-info{flex-direction:column;gap:8px}
}