/* =========================================================
   ONT — design
   Obvious & Transparent / Only Necessary Things

   [목차 — 페이지 흐름 순서]
   1. Design Tokens (변수)
   2. Base (리셋·공통 텍스트)
   3. Header
   4. Intro / Hero
   5. Home — Filter
   6. Home — Portfolio Grid (card)
   7. About — Sections / Services / Approach / CTA
   8. Contact — Form
   9. Buttons (공통 버튼)
   10. Footer
   11. Background — 오브제 (.ont-bg .obj)
   12. Effects — Droplet lens / Page loader
   13. Cursor (꽃 커서)
   14. Motion preference
   ========================================================= */

/* =========================================================
   1. Design Tokens
   ========================================================= */
:root{
  --paper:#ffffff;
  --ink:#1A1A1A;
  --mute:#696969;
  --faint:#c9c9c9;
  --hair:#ececec;
  --tile:#f2f2f2;     /* 플레이스홀더 타일 배경 */
  --tile2:#e7e7e7;
  --accent:#E5511E;          /* Persimmon — 포인트 문구·버튼·심볼 */
  --accent-soft:#F4A07A;     /* 연한 퍼시먼 — 호버·보조 */
  --shape-peach:#F6C9A8;
  --shape-butter:#F7D77E;
  --shape-clay:#E89B6C;
  --display:"Space Grotesk", "Pretendard", sans-serif;
  --body:"Pretendard", "Space Grotesk", -apple-system, sans-serif;

  --maxw:none;
  --gut:clamp(14px, 1.4vw, 24px);
  --ease:cubic-bezier(.22,.61,.36,1);

  /* 배경 오브제 */
  --obj-opacity:.45;
  --obj-scale:1;
}

/* =========================================================
   2. Base
   ========================================================= */
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
html,body{overflow-x:clip;}          /* 가로 스크롤 안전망 */
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  font-size:15px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none;}
img{display:block;width:100%;height:100%;object-fit:cover;}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px;}

/* 서브페이지 상단 라벨 */
.eyebrow{
  font-family:"Raleway",sans-serif;font-weight:500;
  font-size:13px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--mute);margin:0 0 18px;
}
/* 리드 문단 (About 등) */
.lead{
  font-size:clamp(16px,1.5vw,19px);line-height:1.75;
  color:var(--ink);font-weight:400;max-width:54ch;margin:0;
  text-indent:5px;
}
/* 라벨 안내문 */
.label-note{
  display:block;
  font-size:15px;color:var(--mute);font-weight:400;
  letter-spacing:0;margin-top:4px;
}
.label-note a{color:var(--accent);}

/* =========================================================
   3. Header
   ========================================================= */
.header{
  position:sticky;top:0;z-index:50;
  background:transparent;
}
.header__inner{
  max-width:var(--maxw);margin:0 auto;
  padding:18px clamp(20px,3vw,48px);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:baseline;gap:12px;line-height:1;}
.brand__mark{
  font-family:"Montserrat",var(--body);font-weight:600;
  font-size:26px;letter-spacing:.12em;
  position:relative;
}

.nav{display:flex;align-items:center;gap:clamp(18px,2.4vw,40px);}
.nav a{
  font-family:"Quicksand",var(--body);
  font-size:15px;font-weight:600;color:var(--mute);   /* 평상시: mute */
  transition:color .2s var(--ease);position:relative;padding:4px 0;
}
.nav a:hover{color:var(--accent);}                          /* 호버: accent */
.nav a[aria-current="page"]{color:var(--ink);}              /* 현재 페이지: ink */
.nav a[aria-current="page"]::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--accent);
}

/* =========================================================
   4. Intro / Hero
   ========================================================= */
.intro{
  max-width:var(--maxw);margin:0 auto;
  padding:clamp(40px,7vw,84px) clamp(20px,3vw,48px) clamp(26px,3vw,40px);
}
.intro h1{
  font-family:var(--body);font-weight:600;
  font-size:clamp(28px,4.4vw,56px);line-height:1.05;
  letter-spacing:-.03em;margin:0 0 16px;max-width:none;
}
.intro h1 em{font-style:normal;color:var(--faint);}
.intro h1 .amp{ /* 세리프 포인트 — Fraunces 정체 */
  font-family:"Fraunces",serif;font-style:normal;font-weight:500;
  letter-spacing:0;padding:0 .04em;
}
.intro p{
  margin:0;color:var(--mute);font-size:clamp(13px,1.2vw,15px);
  letter-spacing:.01em;max-width:46ch;
}
/* Works intro — 시그니처 서브라인 */
.intro p.intro__lead{
  font-family:var(--body);font-weight:500;
  font-size:clamp(20px,2.8vw,32px);line-height:1.25;letter-spacing:-.02em;
  text-indent:5px;
  color:var(--ink);max-width:none;
  margin:clamp(10px,1.2vw,18px) 0 0;
}
.intro p.intro__lead .solve{
  font-family:"EB Garamond","Gowun Batang",serif;
  font-style:italic;font-weight:500;color:var(--accent);
  font-size:1.16em;line-height:1;padding:0 .04em;
}

/* =========================================================
   5. Home — Filter
   ========================================================= */
.filterbar{
  padding:0 clamp(20px,3vw,48px) clamp(18px,2.2vw,30px);
  display:flex;align-items:center;justify-content:flex-start;
  gap:16px;flex-wrap:wrap;
}
.filters{display:flex;gap:clamp(16px,2vw,30px);flex-wrap:wrap;list-style:none;margin:0;padding:0;}
.filters button{
  font-family:"Quicksand",sans-serif;font-weight:500;font-size:15px;letter-spacing:.05em;
  text-transform:uppercase;color:var(--mute);
  background:none;border:0;padding:4px 0;cursor:pointer;
  transition:color .2s var(--ease);position:relative;
}
.filters button:hover{color:var(--ink);}
.filters button[aria-pressed="true"]{color:var(--ink);}
.filters button[aria-pressed="true"]::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--accent);
}

/* =========================================================
   6. Home — Portfolio Grid
   · 이미지 1장(세로 10:13) 또는 8:5 두 장 스택(간격 포함 = 10:13)
   · 캡션은 이미지 아래 상시 노출 (좌: 제목/설명, 우: 메타)
   · 카드 전체가 <a> — 두 장 사이 간격도 클릭 영역에 포함
   ========================================================= */
.grid{
  width:100%;
  margin:10px 0 0;                   /* ← 좌우 margin 제거 (가로스크롤 원인이었음) */
  padding:0 clamp(20px,3vw,48px) clamp(40px,5vw,72px);
  display:grid;
  column-gap:clamp(16px,2vw,28px);
  row-gap:clamp(44px,4.5vw,72px);
  grid-template-columns:repeat(4,1fr);
}
@media(max-width:1400px){.grid{grid-template-columns:repeat(3,1fr);}}
@media(max-width:1024px){.grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:680px){.grid{grid-template-columns:1fr;row-gap:48px;}}

.card{
  position:relative;display:block;
  opacity:0;transform:translateY(14px);
  animation:rise .6s var(--ease) forwards;
}
.card.is-hidden{display:none;}
@keyframes rise{to{opacity:1;transform:none;}}

/* ── 미디어 영역 ── */
.card__media{
  position:relative;
  aspect-ratio:10/13;
  display:grid;
  grid-template-rows:1fr;
  gap:clamp(6px,1vw,8px);            /* 두 장 사이 간격 (클릭 가능 영역) */
}
.card__media--double{grid-template-rows:1fr 1fr;}

.card__img{
  position:relative;overflow:hidden;
  border-radius:5px;
  background:linear-gradient(135deg,var(--tile)0%,var(--tile2) 100%);
  transition:transform .3s var(--ease);
}
.card__img img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
}
/* 호버 — 그림자 없이 아주 미세하게 떠오르기만 */
.card:hover .card__img,
.card:focus-visible .card__img{
  transform:translateY(-2px);
}

.card__ph{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-family:var(--display);font-size:13px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--faint);
}
/* 실제 이미지가 들어오면 회색 플레이스홀더 라벨 자동 숨김 */
.card__img:has(img) .card__ph{display:none;}

/* ── 캡션 ── */
.card__cap{
  display:flex;align-items:flex-start;justify-content:space-between;
  gap:clamp(24px,3vw,48px);padding-top:4px;
}
.card__title{
  font-size:13px;font-weight:400;letter-spacing:-.01em;
  margin:0;line-height:1.2;color:var(--ink);
}
.card__sub{
  display:block;font-weight:400;color:var(--mute);
  font-size:13px;letter-spacing:0;margin-top:4px;
}
.card__meta{
  flex-shrink:0;text-align:right;margin:17px 0 0;
  font-size:13px;line-height:1.7;color:var(--mute);white-space:nowrap;
}
.card__meta span{display:block;}
.card__meta em{
  font-family:"EB Garamond",serif;font-style:italic;font-weight:400;
  color:var(--mute);margin-right:3px;font-size:14px;
}

/* =========================================================
   7. About — Sections / Services / Approach / CTA
   ========================================================= */
.section{
  padding:clamp(40px,6vw,80px) clamp(20px,3vw,48px);
}
.section__inner{max-width:1080px;}
.section__title{
  font-family:var(--body);font-weight:600;
  font-size:clamp(20px,2.4vw,30px);letter-spacing:-.02em;
  margin:0 0 clamp(26px,3.4vw,44px);
}

/* ── Services (What We Do) ── */
.service{border-top:1px solid var(--ink);padding-top:18px;}
.service__no{
  font-family:var(--body);font-size:13px;letter-spacing:.12em;font-weight:600;
  color:var(--accent);margin:0 0 12px;
}
.service__name{font-size:18px;font-weight:600;letter-spacing:-.01em;margin:0 0 10px;}
.service__name em{
  font-style:normal;color:var(--mute);font-weight:400;font-size:13px;margin-left:8px;letter-spacing:.04em;
}
.service__desc{
  font-size:14px;line-height:1.7;color:var(--mute);margin:0;max-width:40ch;
}

.about-do{border-top:0;padding-top:clamp(48px,8vw,112px);}
.about-do__title{
  font-family:var(--body);font-weight:600;
  font-size:clamp(30px,5vw,60px);letter-spacing:-.03em;line-height:1.04;
  margin:0 0 clamp(36px,5vw,64px);
}
.about-do .services{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  row-gap:0;
  column-gap:clamp(28px,3vw,48px);
}
.about-do .service{padding-bottom:clamp(68px,4vw,88px);}
/* 마지막 줄(03·04)만 아래 선 → 좌우로 나뉜 선 */
.about-do .service:nth-last-child(-n+2){
  border-bottom:1px solid var(--ink);
}
.about-do .service__name{font-size:clamp(18px,1.6vw,22px);}
.about-do .service__desc{font-size:15px;max-width:none;}

/* 모바일: 1열 전환 + 선 겹침 방지 */
@media(max-width:560px){
  .about-do .services{grid-template-columns:1fr;}
  .about-do .service:nth-last-child(-n+2){border-bottom:0;}
  .about-do .service:last-child{border-bottom:1px solid var(--ink);}
}

/* ── Approach ── */
.approach{padding-top:clamp(28px,4vw,56px);padding-bottom:clamp(18px,2.5vw,32px);}
.approach .lead{max-width:820px;}
.approach-line{
  font-size:clamp(18px,2vw,24px);font-weight:600;letter-spacing:-.02em;
  margin:0 0 18px;line-height:1.3;
}
.approach-line .amp{font-family:"Fraunces",serif;font-weight:500;padding:0 .04em;}
.approach-lead{
  font-size:clamp(16px,1.5vw,19px);line-height:1.75;
  color:var(--ink);font-weight:400;max-width:54ch;margin:0;
}

/* ── CTA band ── */
.cta{
  padding:clamp(16px,2.5vw,36px) clamp(20px,3vw,48px) clamp(56px,8vw,120px);
}
.cta h2{
  font-family:var(--body);font-weight:600;
  font-size:clamp(26px,4vw,46px);letter-spacing:-.03em;line-height:1.1;
  margin:0 0 26px;max-width:18ch;
}
.cta h2 .amp{font-family:"Fraunces",serif;font-weight:500;padding:0 .04em;}

/* =========================================================
   8. Contact — 좌(소개) / 우(폼) 2단 레이아웃
   ========================================================= */
.contact{
  padding:clamp(40px,7vw,84px) clamp(20px,3vw,48px) clamp(60px,8vw,120px);
}
.contact__grid{
  max-width:none;                                 /* 인덱스처럼 페이지 좌측에서 시작 */
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.6fr);
  gap:clamp(28px,4vw,72px);
  align-items:start;
}

/* 좌측: 소개 — 로고 아래 좌상단, 데스크탑 스티키 */
.contact__intro{
  position:sticky;top:clamp(24px,5vw,56px);
}
.contact__intro h1{
  font-family:var(--body);font-weight:600;
  font-size:clamp(28px,4.4vw,56px);line-height:1.1;    /* 인덱스 h1과 동일 스케일 */
  letter-spacing:-.03em;margin:0 0 clamp(18px,2.5vw,30px);
}
.contact__intro h1 .solve{
  font-family:"EB Garamond","Gowun Batang",serif;
  font-style:italic;font-weight:500;color:var(--accent);
  font-size:1.16em;line-height:1;padding:0 .04em;
}
.contact__intro .lead{
  font-family:"quicksand",var(--body);
  font-size: 15px; font-weight:400;
  max-width:40ch;text-indent:0;}   /* h1과 시작점 정렬 */

/* 우측: 폼 — 크게 */
.contact__grid .form{width:100%;max-width:1000px;}
.form{
  width:80%;max-width:900px;margin:0 auto;   /* (구 단일컬럼 페이지 호환) */
  display:flex;flex-direction:column;gap:clamp(24px,2.4vw,34px);
}
.contact__grid .form{margin:0;}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,2.4vw,36px);}

.contact__grid .field label{font-size:clamp(16px,1.3vw,18px);}
.contact__grid .field input,
.contact__grid .field select,
.contact__grid .field textarea{font-size:clamp(15px,1.2vw,17px);padding:13px 0;}
.contact__grid .field textarea{min-height:170px;}
.contact__grid .agree{font-size:clamp(15px,1.2vw,16px);}

/* 모바일/태블릿: 세로 스택 · 스티키 해제 */
@media(max-width:880px){
  .contact__grid{grid-template-columns:1fr;gap:clamp(32px,7vw,48px);}
  .contact__intro{position:static;top:auto;}
}
@media(max-width:560px){
  .form{width:100%;}
  .form__row{grid-template-columns:1fr;}
}

.field{display:flex;flex-direction:column;gap:8px;}
.field--full{width:100%;}
.field label{
  font-family:var(--body);font-size:16px;letter-spacing:.01em;
  color:var(--ink);
}
.field .req{color:#d06a5a;margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;font-family:"Pretendard",var(--body);font-size:15px;
  color:var(--mute);letter-spacing:-.01em;
  background:transparent;border:0;border-bottom:1px solid var(--hair);
  padding:10px 0;outline:none;transition:border-color .2s var(--ease);
}
.field input::placeholder,.field textarea::placeholder{color:var(--mute);}
.field input:focus,.field select:focus,.field textarea:focus{border-bottom-color:var(--ink);}
.field select{
  cursor:pointer;appearance:none;-webkit-appearance:none;padding-right:20px;
  background-repeat:no-repeat;background-position:right 2px center;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23999' fill='none' stroke-width='1.3'/%3E%3C/svg%3E");
}
.field textarea{resize:vertical;min-height:120px;}

.agree{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--mute);cursor:pointer;}
.agree input{margin-top:2px;accent-color:var(--ink);}

/* =========================================================
   9. Buttons
   ========================================================= */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--body);font-size:15px;font-weight:500;
  color:var(--paper);background:var(--accent);
  padding:14px 26px;cursor:pointer;border:1px solid var(--accent);
  transition:opacity .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.btn:hover{opacity:.82;}
.btn--ghost{color:var(--ink);background:transparent;}
.btn--ghost:hover{color:var(--paper);background:var(--ink);opacity:1;}
.btn--accent{color:var(--paper);background:var(--accent);border-color:var(--accent);}
.btn--accent:hover{opacity:.88;}
.form .btn{align-self:flex-start;margin-top:4px;}

/* Highlight button — 텍스트 하단 하이라이트 (이동 버튼) */
.btn-hl{
  display:inline-flex;align-items:center;gap:12px;
  font-family:var(--body);font-size:clamp(16px,1.6vw,19px);font-weight:600;
  letter-spacing:-.01em;color:var(--ink);text-decoration:none;cursor:pointer;
  background:none;border:0;padding:0;
}
.btn-hl__txt{
  position:relative;isolation:isolate;padding:.04em .14em;color:var(--ink);
}
.btn-hl__txt::after{
  content:"";position:absolute;left:0;bottom:.02em;height:20%;width:100%;
  background:var(--accent);z-index:-1;transform-origin:left center;
  transform:scaleX(1);
  transition:transform .5s var(--ease);
}
.btn-hl:hover .btn-hl__txt::after{
  transform:scaleX(0);
  transition:none;
  animation:hl-draw .55s var(--ease) .01s forwards;
}
@keyframes hl-draw{
  from{transform:scaleX(0);}
  to{transform:scaleX(1);}
}
.btn-hl__arrow{display:inline-block;}

/* =========================================================
   10. Footer
   ========================================================= */
.footer__inner{
  max-width:var(--maxw);margin:0 auto;
  padding:clamp(30px,5vw,56px) clamp(20px,3vw,48px);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.footer__brand{font-family:var(--body);font-weight:500;font-size:20px;letter-spacing:-.03em;}
.footer__brand small{display:block;font-family:var(--body);font-weight:600;font-size:12px;color:var(--mute);letter-spacing:.06em;margin-top:6px;}
.footer__links{display:flex;gap:18px;font-family:"Quicksand",var(--body);font-size:13px;font-weight:500;  color:var(--mute);}
.footer__links a:hover{color:var(--accent);}
.footer__copy{width:auto;font-family:"Quicksand",var(--body);font-size:13px;font-weight:500;color:var(--mute);letter-spacing:.03em;margin-top:0;}
@media (max-width:760px){
  .footer__inner{flex-direction:column-reverse;align-items:center;text-align:center;gap:14px;}
}

/* =========================================================
   11. Background — 라인 오브제 (대표 사이트 톤)
   ========================================================= */
.ont-bg{
  position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none;
  background:var(--paper);
}
.ont-bg::before{
  content:"";position:absolute;inset:-25%;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 800 640' preserveAspectRatio='xMidYMid slice'%3E%3Cg fill='none' stroke='%231A1A1A' stroke-opacity='0.09' stroke-width='0.5' transform='rotate(18 400 320)'%3E%3Cellipse cx='400' cy='480' rx='260' ry='120'/%3E%3Cellipse cx='400' cy='320' rx='260' ry='120'/%3E%3Cellipse cx='400' cy='160' rx='260' ry='120'/%3E%3C/g%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;background-size:cover;
}
/* =========================================================
   12. Effects — Droplet lens / Page loader
   ========================================================= */
.droplet{
  position:fixed;top:0;left:0;z-index:60;pointer-events:none;
  width:84px;height:84px;border-radius:50%;
  background:radial-gradient(circle at 34% 30%, rgba(255,255,255,.55), rgba(255,255,255,.06) 60%, rgba(255,255,255,0) 72%);
  box-shadow:inset 0 2px 16px rgba(255,255,255,.6), inset 0 -8px 20px rgba(180,170,210,.22), 0 10px 34px rgba(150,140,180,.18);
  border:1px solid rgba(255,255,255,.5);
  -webkit-backdrop-filter:blur(1px);backdrop-filter:blur(1px);
  opacity:0;transition:opacity .3s ease;
}
.droplet.is-on{opacity:1;}

.lens-word{display:inline-block;white-space:nowrap;}
.lens-ch{display:inline-block;will-change:transform;transition:color .2s ease;}

@media (hover: none){
  .droplet{display:none !important;}
}

/* Page transition — flower loader */
.page-loader{
  position:fixed;inset:0;z-index:200;
  background:var(--paper);
  display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;
  transition:opacity .25s var(--ease);
}
.page-loader.is-active{opacity:1;pointer-events:all;}
.page-loader__flower{
  width:56px;height:56px;
  animation:page-loader-spin 2.2s linear infinite;
  will-change:transform;
}
@keyframes page-loader-spin{to{transform:rotate(360deg);}}

/* =========================================================
   13. Cursor — 꽃 커서 (클릭 가능한 요소 위에서만)
   ========================================================= */
a, button, label, .btn-hl__txt,
.case__nav-grid,
.gallery__slide img,
.case__hero img{
  cursor: url('../images/pointer.png') 16 16, pointer;
}
.filters a, .filters button{
  cursor: url('../images/pointer.png') 6 6, pointer;
}
.form .btn{
  cursor: url('../images/pointer.png') 16 16, pointer;   /* 제출 버튼만 꽃 커서 */
}
/* 폼 안에서는 꽃 커서 차단 (헷갈림 방지) */
.form input[type="text"],
.form input[type="email"],
.form input[type="tel"],
.form textarea{cursor:text;}
.form label,
.form .field{cursor:auto;}

/* =========================================================
   14. Motion preference
   ========================================================= */
@media(prefers-reduced-motion:reduce){
  .ont-bg .obj{animation:none;}
  .droplet{display:none;}
  /* 로더는 예외적으로 항상 회전 */
  .page-loader__flower{animation:page-loader-spin 2.2s linear infinite !important;}
}