/* =========================================================
   PAR DESIGN — style.css
   색상·폰트는 아래 :root 변수만 바꾸면 전체에 반영됩니다.
   ========================================================= */
:root {
  --ink: #111111;
  --ink-2: #3a3a3a;
  --mute: #8a8a88;
  --line: #e4e4e1;
  --paper: #ffffff;
  --paper-2: #f6f6f4;
  --sky: #b9d8ec;        /* 포인트 스카이블루 */
  --sky-deep: #5f97bd;   /* 흰 배경 위 텍스트용 */
  --sky-wash: #eef5fa;

  --serif: "Cormorant Garamond", "Noto Serif KR", serif;
  --sans: "Inter", "Noto Sans KR", system-ui, sans-serif;
  --kr: "Noto Sans KR", "Inter", system-ui, sans-serif;

  --pad: clamp(20px, 5vw, 72px);
  --max: 1440px;
  --header-h: 76px;
  --ease: cubic-bezier(.2, .7, .1, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { overflow-x: clip; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) - 1px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--kr); font-weight: 400; font-size: 16px; line-height: 1.75;
  letter-spacing: -0.01em; word-break: keep-all; -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
::selection { background: var(--sky); color: var(--ink); }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }
.section { padding: clamp(96px, 14vw, 200px) 0; }

/* ---------- typography ---------- */
.eyebrow {
  display: flex; align-items: center; gap: 14px; margin: 0 0 28px;
  font-family: var(--sans); font-size: 12px; letter-spacing: .22em; text-transform: uppercase; color: var(--mute);
}
.eyebrow span { color: var(--sky-deep); font-weight: 500; }
.eyebrow b { font-weight: 400; color: var(--ink); }
.eyebrow::after { content: ""; width: 48px; height: 1px; background: var(--line); }
.display {
  margin: 0; font-family: var(--kr); font-weight: 300;
  font-size: clamp(30px, 4.2vw, 58px); line-height: 1.32; letter-spacing: -0.035em; white-space: pre-line;
}
.display.serif { font-family: var(--serif); font-weight: 300; font-size: clamp(44px, 7vw, 104px); line-height: 1; letter-spacing: -0.01em; }
.lead { color: var(--ink-2); font-size: 16px; max-width: 30em; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 52px; padding: 0 28px; border: 1px solid transparent; border-radius: 0; cursor: pointer;
  font-family: var(--kr); font-size: 14px; font-weight: 500; letter-spacing: .02em;
  transition: background .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease);
}
.btn-solid { background: var(--ink); color: #fff; }
.btn-solid:hover { background: var(--sky-deep); }
.btn-line { border-color: currentColor; height: 40px; padding: 0 20px; font-size: 13px; }
.btn-line:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn-solid-light { background: #fff; color: var(--ink); }
.btn-solid-light:hover { background: var(--sky); }
.btn-ghost-light { border-color: rgba(255,255,255,.6); color: #fff; }
.btn-ghost-light:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn.full { width: 100%; }

/* ---------- logo (assets/js/logo.js) ---------- */
.logo-mark { display: block; }
.logo-mark svg { display: block; width: 100%; height: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- header ---------- */
.header {
  position: fixed; inset: 0 0 auto; z-index: 50; height: var(--header-h);
  display: flex; align-items: center; gap: 40px; padding: 0 var(--pad);
  color: #fff; transition: background .4s var(--ease), color .4s var(--ease), box-shadow .4s var(--ease), transform .4s var(--ease);
}
.header.scrolled { background: rgba(255,255,255,.92); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); color: var(--ink); box-shadow: 0 1px 0 var(--line); }
.header.hidden { transform: translateY(-100%); }
.logo { display: block; width: clamp(128px, 12vw, 168px); }
.nav { display: flex; gap: clamp(20px, 3vw, 44px); margin-left: auto; }
.nav a {
  position: relative; font-family: var(--sans); font-size: 12px; letter-spacing: .2em; text-transform: uppercase; padding: 6px 0;
}
.nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform .45s var(--ease); }
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); transform-origin: left; }
.header.scrolled .nav a.active { color: var(--sky-deep); }
.menu-toggle { display: none; width: 40px; height: 40px; margin-left: auto; background: none; border: 0; cursor: pointer; position: relative; }
.menu-toggle span { position: absolute; left: 9px; right: 9px; height: 1px; background: currentColor; transition: transform .4s var(--ease), top .4s var(--ease); }
.menu-toggle span:first-child { top: 16px; }
.menu-toggle span:last-child { top: 24px; }
body.menu-open .menu-toggle span:first-child { top: 20px; transform: rotate(45deg); }
body.menu-open .menu-toggle span:last-child { top: 20px; transform: rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 0; z-index: 45; background: var(--paper); color: var(--ink);
  display: flex; flex-direction: column; justify-content: space-between;
  padding: calc(var(--header-h) + 32px) var(--pad) 40px;
  opacity: 0; visibility: hidden; transition: opacity .4s var(--ease), visibility .4s;
}
body.menu-open .mobile-menu { opacity: 1; visibility: visible; }
body.menu-open .header { color: var(--ink); background: var(--paper); box-shadow: none; transform: none; }
.mobile-menu nav { display: flex; flex-direction: column; }
.mobile-menu nav a { font-family: var(--serif); font-size: 44px; font-weight: 300; line-height: 1.35; border-bottom: 1px solid var(--line); padding: 6px 0; }
.mobile-menu-foot { display: grid; gap: 10px; font-size: 14px; color: var(--ink-2); }
.mobile-menu-foot a { text-decoration: underline; text-underline-offset: 4px; }

/* ---------- hero ---------- */
.hero { position: relative; height: 100vh; height: 100svh; min-height: 560px; overflow: hidden; color: #fff; background: #222; }
.hero-slides, .hero-slides .slide { position: absolute; inset: 0; }
.hero-slides .slide { opacity: 0; transition: opacity 1.8s ease; }
.hero-slides .slide.on { opacity: 1; }
.hero-slides img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.08); }
.hero-slides .slide.on img { animation: kenburns 9s linear forwards; }
@keyframes kenburns { from { transform: scale(1.08); } to { transform: scale(1); } }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.32) 0%, rgba(0,0,0,.05) 30%, rgba(0,0,0,.08) 55%, rgba(0,0,0,.55) 100%); }
.hero-inner { position: absolute; left: var(--pad); right: var(--pad); bottom: clamp(96px, 14vh, 160px); }
.hero-sub { margin: 0 0 18px; font-family: var(--sans); font-size: 12px; letter-spacing: .4em; text-transform: uppercase; opacity: .9; }
.hero-title { margin: 0; width: clamp(300px, 46vw, 720px); filter: drop-shadow(0 2px 24px rgba(0,0,0,.18)); }
.hero-tagline { margin: 26px 0 36px; font-size: clamp(15px, 1.4vw, 18px); font-weight: 300; opacity: .92; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-meta { position: absolute; left: var(--pad); right: var(--pad); bottom: 32px; display: flex; justify-content: space-between; align-items: flex-end; font-family: var(--sans); font-size: 11px; letter-spacing: .25em; }
.hero-count { opacity: .8; }
.scroll-cue { display: flex; flex-direction: column; align-items: center; gap: 10px; text-transform: uppercase; }
.scroll-cue i { width: 1px; height: 44px; background: rgba(255,255,255,.35); position: relative; overflow: hidden; }
.scroll-cue i::after { content: ""; position: absolute; left: 0; top: -44px; width: 1px; height: 44px; background: #fff; animation: cue 2.2s var(--ease) infinite; }
@keyframes cue { to { top: 44px; } }

/* ---------- about ---------- */
.about-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(40px, 8vw, 140px); align-items: end; }
.about-body { margin-top: 44px; max-width: 34em; color: var(--ink-2); }
.about-body p { margin: 0 0 1.2em; }
.about-figure { margin: 0; }
.about-figure img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.about-figure figcaption { margin-top: 14px; font-family: var(--serif); font-style: italic; font-size: 16px; color: var(--mute); }
.values { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: clamp(80px, 10vw, 140px); border-top: 1px solid var(--ink); }
.value { padding: 32px 32px 0 0; }
.value + .value { padding-left: 32px; border-left: 1px solid var(--line); }
.value .no { font-family: var(--sans); font-size: 12px; color: var(--sky-deep); letter-spacing: .15em; }
.value h3 { margin: 10px 0 8px; font-family: var(--serif); font-weight: 400; font-size: 34px; letter-spacing: 0; }
.value p { margin: 0; color: var(--ink-2); font-size: 15px; }

/* ---------- portfolio ---------- */
.portfolio { background: var(--paper-2); }
.section-head { margin-bottom: clamp(48px, 7vw, 96px); }
.project + .project { margin-top: clamp(96px, 12vw, 160px); }
.project-cover { margin: 0; position: relative; overflow: hidden; cursor: zoom-in; }
.project-cover img { width: 100%; aspect-ratio: 16 / 8; object-fit: cover; transition: transform 1.4s var(--ease); }
.project-cover:hover img { transform: scale(1.03); }
.project-head { display: grid; grid-template-columns: 1fr auto; gap: 32px 64px; align-items: end; padding: 36px 0 40px; border-bottom: 1px solid var(--line); }
.project-head h3 { margin: 0; font-family: var(--serif); font-weight: 400; font-size: clamp(34px, 4vw, 56px); line-height: 1.05; letter-spacing: 0; }
.project-head p { margin: 10px 0 0; color: var(--ink-2); }
.project-meta { display: grid; grid-template-columns: repeat(4, auto); gap: 4px 36px; margin: 0; font-size: 14px; }
.project-meta dt { font-family: var(--sans); font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--mute); }
.project-meta dd { margin: 0; grid-row: 2; }

.filters { display: flex; flex-wrap: wrap; gap: 6px 26px; margin: 32px 0 28px; }
.filters button {
  background: none; border: 0; padding: 4px 0; cursor: pointer; position: relative;
  font-family: var(--sans); font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: var(--mute); transition: color .3s;
}
.filters button sup { font-size: 9px; margin-left: 3px; letter-spacing: 0; }
.filters button.on, .filters button:hover { color: var(--ink); }
.filters button.on::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 1px; background: var(--sky-deep); }

.gallery { columns: 3; column-gap: 20px; }
.gallery .tile { break-inside: avoid; margin: 0 0 20px; position: relative; overflow: hidden; cursor: zoom-in; background: #e9e9e6; }
.gallery .tile.hide { display: none; }
.gallery .tile img { width: 100%; height: auto; transition: transform 1.2s var(--ease), opacity .6s; }
.gallery .tile:hover img { transform: scale(1.035); }
.gallery .tile figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 40px 18px 14px;
  background: linear-gradient(transparent, rgba(0,0,0,.45)); color: #fff; font-size: 13px;
  display: flex; justify-content: space-between; gap: 12px; opacity: 0; transform: translateY(6px); transition: opacity .45s var(--ease), transform .45s var(--ease);
}
.gallery .tile figcaption em { font-style: normal; font-family: var(--sans); font-size: 10px; letter-spacing: .2em; text-transform: uppercase; opacity: .85; align-self: center; }
.gallery .tile:hover figcaption { opacity: 1; transform: none; }

/* ---------- service ---------- */
.section-head.split { display: grid; grid-template-columns: 1fr 2fr; align-items: start; }
.section-head.split .eyebrow { margin-top: 18px; }
.service-list { border-top: 1px solid var(--ink); }
.service-item {
  display: grid; grid-template-columns: 1fr 1fr 2fr; gap: 24px; align-items: baseline;
  padding: 36px 0; border-bottom: 1px solid var(--line); position: relative; transition: padding .5s var(--ease);
}
.service-item::before { content: ""; position: absolute; inset: 0; background: var(--sky-wash); transform: scaleY(0); transform-origin: bottom; transition: transform .5s var(--ease); z-index: -1; }
.service-item:hover::before { transform: scaleY(1); }
.service-item:hover { padding-left: 20px; padding-right: 20px; }
.service-item .no { font-family: var(--sans); font-size: 12px; letter-spacing: .15em; color: var(--sky-deep); }
.service-item h3 { margin: 0; font-family: var(--serif); font-weight: 400; font-size: clamp(30px, 3.2vw, 44px); line-height: 1.1; letter-spacing: 0; }
.service-item h3 small { display: block; margin-top: 8px; font-family: var(--kr); font-size: 14px; color: var(--ink-2); letter-spacing: -0.01em; }
.service-item p { margin: 0; color: var(--ink-2); max-width: 36em; }
.service-item .left { display: flex; gap: 24px; align-items: baseline; grid-column: span 2; }
.process { margin-top: clamp(80px, 10vw, 140px); }
.process-title { margin: 0 0 32px; font-family: var(--serif); font-weight: 300; font-style: italic; font-size: 40px; }
.process-steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); }
.process-steps li { padding: 24px 20px 0 0; border-top: 1px solid var(--line); position: relative; }
.process-steps li::before { content: ""; position: absolute; top: -4px; left: 0; width: 7px; height: 7px; border-radius: 50%; background: var(--sky-deep); }
.process-steps .step { font-family: var(--sans); font-size: 11px; letter-spacing: .2em; color: var(--mute); }
.process-steps h4 { margin: 6px 0 4px; font-size: 18px; font-weight: 500; }
.process-steps p { margin: 0; font-size: 14px; color: var(--ink-2); }

/* ---------- contact ---------- */
.contact { background: var(--ink); color: #fff; }
.contact .eyebrow { color: rgba(255,255,255,.5); }
.contact .eyebrow b { color: #fff; }
.contact .eyebrow span { color: var(--sky); }
.contact .eyebrow::after { background: rgba(255,255,255,.2); }
.contact .lead { color: rgba(255,255,255,.7); margin-top: 24px; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(48px, 8vw, 128px); }
.quick { margin-top: 48px; border-top: 1px solid rgba(255,255,255,.2); }
.quick-item { display: grid; grid-template-columns: 120px 1fr 28px; align-items: center; gap: 4px 16px; padding: 26px 0; border-bottom: 1px solid rgba(255,255,255,.2); transition: padding .45s var(--ease), color .3s; }
.quick-item:hover { padding-left: 12px; color: var(--sky); }
.quick-label { font-family: var(--sans); font-size: 11px; letter-spacing: .22em; text-transform: uppercase; color: rgba(255,255,255,.5); grid-row: span 2; }
.quick-item strong { font-weight: 400; font-size: clamp(20px, 2.2vw, 28px); letter-spacing: -0.01em; }
.quick-item small { grid-column: 2; color: rgba(255,255,255,.5); font-size: 13px; }
.quick-item .arrow { grid-column: 3; grid-row: 1 / span 2; width: 28px; height: 28px; position: relative; }
.quick-item .arrow::before { content: ""; position: absolute; left: 4px; right: 4px; top: 50%; height: 1px; background: currentColor; }
.quick-item .arrow::after { content: ""; position: absolute; right: 4px; top: 50%; width: 9px; height: 9px; border-top: 1px solid currentColor; border-right: 1px solid currentColor; transform: translateY(-50%) rotate(45deg); }
.info-list { display: grid; grid-template-columns: 120px 1fr; gap: 12px 16px; margin: 40px 0 0; font-size: 14px; }
.info-list dt { font-family: var(--sans); font-size: 11px; letter-spacing: .22em; text-transform: uppercase; color: rgba(255,255,255,.5); padding-top: 3px; }
.info-list dd { margin: 0; color: rgba(255,255,255,.85); }

.inquiry { background: #fff; color: var(--ink); padding: clamp(28px, 4vw, 56px); align-self: start; }
.inquiry h3 { margin: 0 0 16px; font-size: clamp(24px, 2.4vw, 32px); font-weight: 400; letter-spacing: -0.03em; }
.inquiry-eyebrow { margin: 0 0 14px; font-family: var(--sans); font-size: 11px; letter-spacing: .24em; text-transform: uppercase; color: var(--sky-deep); }
.inquiry-text { margin: 0 0 36px; color: var(--ink-2); white-space: pre-line; }
.inquiry-steps { list-style: none; margin: 0 0 40px; padding: 0; border-top: 1px solid var(--ink); }
.inquiry-steps li { display: flex; align-items: baseline; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.inquiry-steps span { font-family: var(--sans); font-size: 11px; letter-spacing: .15em; color: var(--sky-deep); }
.inquiry-steps small { margin-left: auto; color: var(--mute); font-size: 12px; }
.inquiry-alt { margin: 18px 0 0; text-align: center; font-size: 13px; color: var(--mute); }
.inquiry-alt a { color: var(--ink); margin-left: 6px; text-decoration: underline; text-underline-offset: 4px; }
.field { display: block; margin-bottom: 22px; }
.field > span { display: block; margin-bottom: 8px; font-size: 13px; color: var(--ink-2); }
.field input, .field select, .field textarea {
  width: 100%; border: 0; border-bottom: 1px solid var(--line); background: transparent; padding: 10px 0; border-radius: 0; outline: none;
  transition: border-color .3s; -webkit-appearance: none; appearance: none;
}
.field select { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23111'/%3E%3C/svg%3E") no-repeat right 4px center; cursor: pointer; }
.field textarea { resize: vertical; min-height: 96px; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--sky-deep); }
.field input.invalid { border-color: #c4553b; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips label { cursor: pointer; position: relative; }
.chips input { position: absolute; opacity: 0; pointer-events: none; }
.chips span { display: inline-block; padding: 8px 16px; border: 1px solid var(--line); font-size: 13px; transition: all .25s; }
.chips input:checked + span { background: var(--ink); color: #fff; border-color: var(--ink); }
.chips input:focus-visible + span { outline: 2px solid var(--sky-deep); outline-offset: 2px; }
.agree { display: flex; gap: 10px; align-items: flex-start; margin: 8px 0 24px; font-size: 13px; color: var(--ink-2); cursor: pointer; line-height: 1.6; }
.agree input { margin-top: 4px; accent-color: var(--ink); }
.form-status { margin: 16px 0 0; font-size: 14px; min-height: 1.5em; }
.form-status.ok { color: var(--sky-deep); }
.form-status.err { color: #c4553b; }

/* ---------- footer ---------- */
.footer { background: var(--ink); color: rgba(255,255,255,.55); border-top: 1px solid rgba(255,255,255,.12); padding: 48px 0 120px; font-size: 13px; }
.footer-inner { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.footer-logo { width: 200px; color: #fff; }
.footer-sub { margin: 4px 0 0; font-family: var(--sans); font-size: 11px; letter-spacing: .25em; text-transform: uppercase; }
.footer-info { text-align: right; line-height: 1.9; }
.footer-info a:hover { color: #fff; }

/* ---------- floating buttons ---------- */
.floating { position: fixed; right: 24px; bottom: 24px; z-index: 40; display: flex; flex-direction: column; gap: 10px; align-items: flex-end;
  opacity: 0; transform: translateY(16px); pointer-events: none; transition: opacity .4s var(--ease), transform .4s var(--ease); }
.floating.show { opacity: 1; transform: none; pointer-events: auto; }
.fab { display: flex; align-items: center; justify-content: center; gap: 8px; width: 52px; height: 52px; border-radius: 26px; background: #fff; color: var(--ink);
  box-shadow: 0 6px 24px rgba(0,0,0,.12); font-size: 13px; font-weight: 500; overflow: hidden; white-space: nowrap; transition: width .4s var(--ease), background .3s; }
.fab svg { width: 20px; height: 20px; flex: none; fill: currentColor; }
.fab span { display: none; }
.fab:hover { background: var(--sky); }
.fab-main { width: auto; padding: 0 22px; background: var(--ink); color: #fff; }
.fab-main span { display: inline; }
.fab-main:hover { background: var(--sky-deep); }
.blog-mark { display: grid; place-items: center; width: 22px; height: 22px; background: var(--sky-deep); color: #fff; font-family: var(--sans); font-size: 12px; font-weight: 600; flex: none; }

/* ---------- lightbox ---------- */
.lightbox { position: fixed; inset: 0; z-index: 100; background: rgba(250,250,248,.98); display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: opacity .4s var(--ease), visibility .4s; }
.lightbox.open { opacity: 1; visibility: visible; }
.lb-figure { margin: 0; max-width: min(1400px, 86vw); display: flex; flex-direction: column; align-items: center; }
.lb-figure img { max-width: 100%; max-height: 82vh; object-fit: contain; transition: opacity .3s; }
.lb-figure figcaption { width: 100%; display: flex; justify-content: space-between; gap: 16px; margin-top: 14px; font-size: 13px; color: var(--ink-2); }
.lb-figure figcaption span:last-child { font-family: var(--sans); letter-spacing: .15em; color: var(--mute); }
.lb-close, .lb-nav { position: absolute; background: none; border: 0; cursor: pointer; width: 56px; height: 56px; }
.lb-close { top: 16px; right: 16px; }
.lb-close::before, .lb-close::after { content: ""; position: absolute; left: 16px; right: 16px; top: 50%; height: 1px; background: var(--ink); transform: rotate(45deg); }
.lb-close::after { transform: rotate(-45deg); }
.lb-nav { top: 50%; transform: translateY(-50%); }
.lb-prev { left: 12px; } .lb-next { right: 12px; }
.lb-nav::after { content: ""; position: absolute; top: 50%; left: 50%; width: 14px; height: 14px; border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.lb-prev::after { transform: translate(-30%, -50%) rotate(-45deg); }
.lb-next::after { transform: translate(-70%, -50%) rotate(135deg); }

/* ---------- reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 1.1s var(--ease), transform 1.1s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.hero .reveal { transition-duration: 1.6s; }
.hero .reveal:nth-child(2) { transition-delay: .15s; }
.hero .reveal:nth-child(3) { transition-delay: .3s; }
.hero .reveal:nth-child(4) { transition-delay: .45s; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .gallery { columns: 2; }
  .project-meta { grid-template-columns: repeat(2, auto); }
  .project-meta dd { grid-row: auto; }
  .project-head { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: repeat(3, 1fr); row-gap: 36px; }
}
@media (max-width: 860px) {
  :root { --header-h: 64px; }
  .nav, .header-cta { display: none; }
  .menu-toggle { display: block; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .about-figure { order: -1; }
  .values { grid-template-columns: 1fr; }
  .value, .value + .value { padding: 24px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .section-head.split { grid-template-columns: 1fr; }
  .service-item { grid-template-columns: 1fr; gap: 12px; }
  .service-item .left { grid-column: auto; }
  .project-cover img { aspect-ratio: 4 / 3; }
  .hero-meta .hero-count { display: none; }
  .hero-meta { justify-content: center; bottom: 20px; }
  .hero-inner { bottom: 120px; }
  .scroll-cue i { height: 32px; }
  /* 모바일: 하단 고정 바 */
  .floating { left: 0; right: 0; bottom: 0; flex-direction: row; gap: 0; background: #fff; border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom); }
  .fab { flex: 1; width: auto; height: 58px; border-radius: 0; box-shadow: none; }
  .fab span { display: inline; }
  .fab-main { flex: 1.4; }
  .footer { padding-bottom: 96px; }
  .footer-info { text-align: left; }
  .lb-nav { top: auto; bottom: 16px; transform: none; }
}
@media (max-width: 560px) {
  body { font-size: 15px; }
  .gallery { columns: 1; }
  .field-row { grid-template-columns: 1fr; }
  .quick-item { grid-template-columns: 1fr 28px; }
  .quick-label { grid-row: auto; grid-column: 1; }
  .quick-item small { grid-column: 1; }
  .quick-item .arrow { grid-column: 2; grid-row: 1 / span 3; }
  .info-list { grid-template-columns: 88px 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .hero-actions .btn { flex: 1; padding: 0 16px; }
  .mobile-menu nav a { font-size: 38px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}