/* =========================================================
   HISHAND — 석재디자인연구소 / Premium natural-stone brand
   ========================================================= */
:root{
  --ink:#1c1b18;--ink-soft:#43403a;--muted:#8a8175;--line:#e3ddd1;
  --stone-50:#f7f4ee;--stone-100:#efe9df;--stone-200:#e4dccd;--paper:#fbf9f4;
  --green:#34433a;--green-deep:#26312a;--bronze:#9c7c4c;--white:#fff;
  --shadow:0 24px 60px -30px rgba(28,27,24,.4);--maxw:1280px;--ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Pretendard","Apple SD Gothic Neo",system-ui,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;-webkit-font-smoothing:antialiased;letter-spacing:-.01em}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.serif{font-family:"Noto Serif KR",serif}
.en{font-family:"Cormorant Garamond","Noto Serif KR",serif;letter-spacing:.02em}
.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.eyebrow{font-size:.72rem;letter-spacing:.32em;text-transform:uppercase;color:var(--bronze);font-weight:600;display:inline-block}
.display{font-family:"Noto Serif KR",serif;font-weight:500;line-height:1.18;letter-spacing:-.02em}
h1.display{font-size:clamp(2.4rem,6vw,4.6rem)}
h2.display{font-size:clamp(1.9rem,3.6vw,3rem)}
h3.display{font-size:clamp(1.3rem,2.2vw,1.7rem)}
.lead{font-size:clamp(1.02rem,1.4vw,1.18rem);color:var(--ink-soft)}
.btn{display:inline-flex;align-items:center;gap:.6em;padding:.95em 1.9em;border-radius:999px;font-size:.92rem;font-weight:600;border:1px solid var(--ink);transition:all .35s var(--ease);cursor:pointer;white-space:nowrap}
.btn--dark{background:var(--ink);color:var(--paper)}
.btn--dark:hover{background:var(--green);border-color:var(--green)}
.btn--ghost{background:transparent;color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:var(--paper)}
.btn--light{background:var(--paper);color:var(--ink);border-color:transparent}
.btn--light:hover{background:var(--white)}
.btn--lg{padding:1.05em 2.3em;font-size:1rem}
.arrow{transition:transform .35s var(--ease)}
.btn:hover .arrow{transform:translateX(4px)}
.textlink{font-weight:600;border-bottom:1px solid var(--bronze);padding-bottom:2px;transition:.3s;display:inline-flex;gap:.4em;align-items:center}
.textlink:hover{color:var(--bronze)}
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .4s var(--ease),box-shadow .4s var(--ease),color .4s}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;height:74px}
.brandmark{font-family:"Cormorant Garamond",serif;font-size:1.7rem;font-weight:600;letter-spacing:.18em}
.brandmark small{display:block;font-family:"Pretendard",sans-serif;font-size:.56rem;letter-spacing:.42em;font-weight:600;opacity:.7;margin-top:-4px}
.nav{display:flex;gap:34px;align-items:center}
.nav a{font-size:.9rem;font-weight:500;position:relative;padding:6px 0}
.nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:currentColor;transition:width .35s var(--ease)}
.nav a:hover::after,.nav a.active::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:14px}
.site-header.over{color:var(--paper)}
.site-header.over .btn--ghost{color:var(--paper);border-color:rgba(251,249,244,.6)}
.site-header.over .btn--ghost:hover{background:var(--paper);color:var(--ink)}
.site-header.solid{background:rgba(251,249,244,.92);backdrop-filter:blur(12px);color:var(--ink);box-shadow:0 1px 0 var(--line)}
.site-header.solid .btn--ghost{color:var(--ink);border-color:var(--ink)}
.menu-toggle{display:none;background:none;border:none;color:inherit;font-size:1.5rem;cursor:pointer}
.hero{position:relative;min-height:100vh;display:flex;align-items:flex-end;color:var(--paper);overflow:hidden}
.hero__bg{position:absolute;inset:0;z-index:0}
.hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,19,16,.25) 0%,rgba(20,19,16,.15) 40%,rgba(20,19,16,.72) 100%)}
.hero__inner{position:relative;z-index:2;padding-bottom:7vh;padding-top:120px;width:100%}
.hero h1{max-width:16ch;margin:.3em 0 .5em}
.hero .lead{color:rgba(251,249,244,.86);max-width:46ch}
.hero__actions{display:flex;gap:14px;margin-top:2.2em;flex-wrap:wrap}
.hero__scroll{position:absolute;bottom:26px;right:28px;z-index:2;font-size:.7rem;letter-spacing:.3em;text-transform:uppercase;writing-mode:vertical-rl;opacity:.8}
.marble{position:relative;overflow:hidden;background-color:#cfc6b6}
.marble::before{content:"";position:absolute;inset:-20%;opacity:.9;background:radial-gradient(60% 40% at 20% 30%,rgba(255,255,255,.5),transparent 60%),radial-gradient(50% 50% at 80% 70%,rgba(255,255,255,.35),transparent 60%);mix-blend-mode:screen}
.m-carrara{background:linear-gradient(125deg,#efece6,#e2ddd4 40%,#f3f1ec 70%,#dcd6cb),repeating-linear-gradient(58deg,rgba(150,150,150,0) 0 22px,rgba(120,120,120,.08) 23px 24px)}
.m-green{background:linear-gradient(130deg,#2c3a31,#3c4d42 45%,#243029 80%),repeating-linear-gradient(50deg,rgba(220,230,210,0) 0 26px,rgba(210,225,200,.10) 27px 29px)}
.m-travertine{background:linear-gradient(120deg,#d9c8af,#cbb594 50%,#e0d2bb),repeating-linear-gradient(8deg,rgba(120,90,60,0) 0 18px,rgba(120,90,60,.07) 19px 21px)}
.m-nero{background:linear-gradient(125deg,#211f1d,#322e29 45%,#1a1815 80%),repeating-linear-gradient(60deg,rgba(230,225,215,0) 0 30px,rgba(230,225,215,.07) 31px 33px)}
.m-azul{background:linear-gradient(125deg,#6f7680,#878d95 45%,#5f656d),repeating-linear-gradient(55deg,rgba(255,255,255,0) 0 24px,rgba(255,255,255,.10) 25px 27px)}
.hero .m-carrara{filter:brightness(.92)}
.ph{position:relative;display:flex;align-items:flex-end;color:#fff}
.ph .ph__tag{position:absolute;top:14px;left:14px;font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;background:rgba(20,19,16,.42);backdrop-filter:blur(3px);padding:5px 10px;border-radius:999px;color:#fff;font-weight:600;z-index:2}
.section{padding:clamp(64px,9vw,128px) 0}
.section--paper{background:var(--paper)}
.section--stone{background:var(--stone-50)}
.section--ink{background:var(--green-deep);color:var(--stone-50)}
.section--ink .eyebrow{color:#c9b48c}
.sec-head{max-width:60ch}
.sec-head .lead{margin-top:1em}
.center{text-align:center;margin-left:auto;margin-right:auto}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,80px);align-items:center}
.split--rev .split__media{order:2}
.split__media{aspect-ratio:4/5;border-radius:6px;box-shadow:var(--shadow)}
.split__body .eyebrow{margin-bottom:1em}
.split__body p+p{margin-top:1em}
.sign{margin-top:1.6em;font-family:"Cormorant Garamond",serif;font-size:1.5rem;color:var(--green)}
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px}
.cat{position:relative;aspect-ratio:3/4;border-radius:6px;overflow:hidden;color:#fff;display:flex;align-items:flex-end;transition:transform .5s var(--ease)}
.cat:hover{transform:translateY(-6px)}
.cat::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(18,17,14,.75))}
.cat__txt{position:relative;z-index:2;padding:26px}
.cat__txt h3{font-size:1.35rem;font-weight:600}
.cat__txt span{font-size:.82rem;opacity:.85}
.cat--wide{grid-column:span 2;aspect-ratio:auto}
.swatches{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-top:44px}
.swatch{text-align:center}
.swatch .chip{aspect-ratio:1;border-radius:50%;box-shadow:inset 0 0 0 1px rgba(0,0,0,.06),var(--shadow)}
.swatch p{margin-top:.7em;font-size:.82rem;font-weight:600}
.swatch span{font-size:.7rem;color:var(--muted);display:block}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.stat .num{font-family:"Cormorant Garamond",serif;font-size:clamp(2.4rem,4vw,3.4rem);line-height:1;color:var(--stone-50)}
.stat .lbl{margin-top:.6em;font-size:.86rem;opacity:.78}
.proj-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:48px}
.proj{position:relative;aspect-ratio:16/11;border-radius:6px;overflow:hidden;color:#fff;display:flex;align-items:flex-end}
.proj::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(18,17,14,.8))}
.proj__txt{position:relative;z-index:2;padding:28px}
.proj__txt .k{font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;opacity:.85}
.proj__txt h3{font-size:1.3rem;font-weight:600;margin-top:.3em}
.proj--tall{aspect-ratio:3/4}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:48px}
.step{padding-top:26px;border-top:1px solid var(--line)}
.step .n{font-family:"Cormorant Garamond",serif;font-size:1.4rem;color:var(--bronze)}
.step h3{font-size:1.1rem;font-weight:600;margin:.5em 0 .4em}
.step p{font-size:.92rem;color:var(--ink-soft)}
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px 22px;margin-top:48px}
.card{background:var(--white);border-radius:8px;overflow:hidden;border:1px solid var(--line);transition:.4s var(--ease)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card__img{aspect-ratio:1}
.card__b{padding:20px 22px 24px}
.card__b .cat-k{font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--bronze);font-weight:600}
.card__b h3{font-size:1.12rem;font-weight:600;margin:.45em 0 .3em}
.card__b p{font-size:.9rem;color:var(--ink-soft);min-height:2.6em}
.card__b .more{margin-top:1em;font-size:.85rem;font-weight:600;display:inline-flex;gap:.4em}
.cta{position:relative;overflow:hidden;color:#fff;text-align:center}
.cta__bg{position:absolute;inset:0}
.cta__bg::after{content:"";position:absolute;inset:0;background:rgba(18,17,14,.62)}
.cta__inner{position:relative;z-index:2;padding:clamp(72px,10vw,140px) 0}
.cta .display{margin:.3em auto .2em;max-width:18ch}
.cta .lead{color:rgba(255,255,255,.85);max-width:48ch;margin:0 auto 2em}
.cta__actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.page-hero{position:relative;color:#fff;display:flex;align-items:flex-end;min-height:56vh;overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,17,14,.3),rgba(18,17,14,.7))}
.page-hero__in{position:relative;z-index:2;padding:130px 0 56px}
.page-hero .lead{color:rgba(255,255,255,.85);max-width:50ch;margin-top:.8em}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:start}
.info-row{display:flex;gap:16px;padding:22px 0;border-bottom:1px solid var(--line)}
.info-row .k{flex:0 0 96px;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:600;padding-top:3px}
.info-row .v{font-size:1.05rem}
.info-row .v small{display:block;color:var(--muted);font-size:.85rem;margin-top:3px}
.channel{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:30px}
.channel a{display:flex;flex-direction:column;gap:4px;padding:22px;border-radius:8px;border:1px solid var(--line);background:var(--white);transition:.3s}
.channel a:hover{border-color:var(--ink);transform:translateY(-3px)}
.channel .t{font-weight:700}
.channel .d{font-size:.85rem;color:var(--muted)}
.site-footer{background:var(--ink);color:#cfc7b9;padding:72px 0 36px;font-size:.9rem}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12)}
.foot-brand .brandmark{color:var(--paper)}
.foot-brand p{margin-top:18px;max-width:34ch;color:#a39a8b}
.foot-col h4{color:var(--paper);font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;margin-bottom:16px}
.foot-col a{display:block;padding:5px 0;color:#bcb3a4;transition:.25s}
.foot-col a:hover{color:var(--paper)}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:26px;color:#8d8475;font-size:.82rem}
[data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
[data-reveal].in{opacity:1;transform:none}
@media (max-width:920px){
  .nav,.nav-cta .btn{display:none}
  .menu-toggle{display:block}
  .split{grid-template-columns:1fr}
  .split--rev .split__media{order:0}
  .cat-grid{grid-template-columns:1fr 1fr}
  .cat--wide{grid-column:span 2}
  .swatches{grid-template-columns:repeat(3,1fr)}
  .stats{grid-template-columns:1fr 1fr;gap:36px 20px}
  .proj-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .prod-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  .foot-top{grid-template-columns:1fr;gap:30px}
  .nav.open{display:flex;position:fixed;inset:74px 0 auto 0;flex-direction:column;background:var(--paper);color:var(--ink);padding:18px 28px 26px;gap:6px;box-shadow:var(--shadow)}
  .nav.open a{padding:12px 0;border-bottom:1px solid var(--line);font-size:1rem}
  .nav.open a::after{display:none}
}
@media (max-width:560px){
  .cat-grid{grid-template-columns:1fr}
  .cat--wide{grid-column:span 1}
  .swatches{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .prod-grid{grid-template-columns:1fr}
  .channel{grid-template-columns:1fr}
}

/* real photo backgrounds */
.bgimg{background-size:cover;background-position:center;background-repeat:no-repeat;background-color:#cfc6b6}
.card__img.bgimg{background-color:#efe9df}
.pos-top{background-position:center top}