/* C / Spatial portfolio — 두 모드에서 동일한 레이아웃과 사진을 유지합니다. */
:root {
  color-scheme: light;
  --page: #f5f3ed;
  --ink: #242923;
  --muted: #62675e;
  --rule: #cccec4;
  --surface: #eae8e0;
  --inset: #e9e6dd;
  --inset-ink: #252923;
  --inset-muted: #5e645a;
  --inset-rule: #c4c6bc;
  --gutter: clamp(22px, 3.1vw, 56px);
  --width: 1504px;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #181b19;
  --ink: #eeede5;
  --muted: #b7bab1;
  --rule: #42463f;
  --surface: #222721;
  --inset: #eeece4;
  --inset-ink: #252923;
  --inset-muted: #5e645a;
  --inset-rule: #bfc2b7;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) { color-scheme: dark; --page: #181b19; --ink: #eeede5; --muted: #b7bab1; --rule: #42463f; --surface: #222721; --inset: #eeece4; }
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; background: var(--page); color: var(--ink); font-family: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', sans-serif; font-size: 16px; line-height: 1.7; word-break: keep-all; overflow-wrap: anywhere; }
::selection { color: var(--page); background: var(--ink); }
a { color: inherit; text-decoration: none; text-underline-offset: 6px; }
button, input, select { font: inherit; }
button { color: inherit; cursor: pointer; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid currentColor; outline-offset: 5px; }
img { display: block; width: 100%; height: auto; }
figure, h1, h2, h3, p, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
strong { font-weight: 600; }
.shell { width: min(100% - var(--gutter) * 2, var(--width)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; top: 8px; left: 12px; transform: translateY(-180%); padding: 8px 16px; background: var(--ink); color: var(--page); }
.skip-link:focus { transform: translateY(0); }
.site-header { position: sticky; top: 0; z-index: 20; background: var(--page); border-bottom: 1px solid var(--rule); }
.header-inner { min-height: 84px; display: flex; align-items: center; gap: 36px; }
.wordmark { font-size: clamp(22px, 2.05vw, 31px); font-weight: 400; letter-spacing: .065em; white-space: nowrap; line-height: 1.1; }
.site-nav { margin-left: auto; display: flex; align-items: center; gap: clamp(20px, 2.4vw, 40px); font-size: 14px; }
.site-nav a { padding-block: 12px; white-space: nowrap; }
.site-nav a:hover, .site-nav a[aria-current] { text-decoration: underline; }
.nav-contact { padding-left: 26px; border-left: 1px solid var(--rule); }
.header-actions { display: flex; gap: 16px; align-items: center; }
.theme-toggle { display: inline-flex; gap: 8px; align-items: center; justify-content: center; min-height: 44px; padding: 6px 0; background: none; border: 0; font-size: 13px; white-space: nowrap; }
.theme-toggle svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.5; }
.theme-toggle span { display: inline-flex; align-items: center; gap: 7px; }
[data-theme="dark"] .theme-to-dark, :root:not([data-theme="dark"]) .theme-to-light { display: none; }
.menu-toggle { display: none; background: none; border: 0; min-height: 44px; padding: 0; font-size: 14px; }
.section { padding-block: clamp(42px, 6vw, 94px); }
.section + .section { padding-top: 0; }
.eyebrow { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 12px; font-size: 13px; color: var(--muted); padding-top: 28px; }
.breadcrumb a:hover { text-decoration: underline; }
h1 { font-size: clamp(32px, 3.5vw, 52px); line-height: 1.24; letter-spacing: -.035em; font-weight: 500; }
h2 { font-size: clamp(25px, 2.4vw, 36px); line-height: 1.35; letter-spacing: -.03em; font-weight: 500; }
h3 { font-size: 21px; line-height: 1.45; font-weight: 500; letter-spacing: -.02em; }
.lede { color: var(--muted); font-size: 18px; max-width: 40em; }
.text-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 22px; padding-bottom: 5px; border-bottom: 1px solid currentColor; font-size: 15px; line-height: 1.6; }
.text-link:hover { opacity: .72; }
.arrow { font-size: 1.15em; font-weight: 400; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 32px; margin-bottom: 30px; }
.section-heading p { max-width: 31em; color: var(--muted); }
.photo { overflow: hidden; position: relative; background: var(--surface); }
.photo img { width: 100%; height: 100%; object-fit: cover; }
.photo--wide { aspect-ratio: 1.9; }
.photo--landscape { aspect-ratio: 1.45; }
.photo--square { aspect-ratio: 1; }
.photo--portrait { aspect-ratio: .9; }
.photo-note { font-size: 12px; color: var(--muted); padding-top: 9px; }
.photo-credit { position: absolute; bottom: 18px; left: 20px; padding: 3px 8px; color: #fff; background: #181b19cc; font-size: 12px; }
.home-hero { margin-top: 0; }
.home-hero .photo { aspect-ratio: 2.28; min-height: 340px; max-height: 720px; }
.home-hero .photo-label { position: absolute; top: 24px; left: 24px; color: #fff; background: #181b1988; padding: 4px 8px; font-size: 12px; letter-spacing: .08em; }
.hero-caption { display: grid; grid-template-columns: 1.1fr 1fr auto; gap: 40px; align-items: center; padding-block: 32px 60px; }
.hero-caption h1 { font-size: clamp(30px, 3.1vw, 46px); }
.hero-caption .lede { margin-top: 8px; font-size: 17px; }
.hero-caption > p { color: var(--muted); }
.hero-caption .eyebrow { white-space: nowrap; }
.project-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 28px; }
.project-grid .photo { height: clamp(300px, 36vw, 540px); }
.project-label { display: flex; justify-content: space-between; gap: 20px; padding-top: 14px; }
.project-label p { color: var(--muted); font-size: 14px; margin-top: 4px; }
.project-card:hover img { transform: scale(1.018); }
.project-card img { transition: transform .4s ease; }
.inset { background: var(--inset); color: var(--inset-ink); padding: clamp(24px, 4vw, 60px); --ink: var(--inset-ink); --muted: var(--inset-muted); --rule: var(--inset-rule); --surface: #deded4; }
.inset .eyebrow, .inset .lede, .inset .photo-note { color: var(--inset-muted); }
.inset ::selection { color: var(--inset); background: var(--inset-ink); }
.company-work-grid .photo { aspect-ratio: 4 / 3; }
.company-work h3 { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; }
.company-work h3 span { font-size: 16px; }
.company-work:hover h3 { text-decoration: underline; text-underline-offset: 6px; }
.company-work-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 20px 36px; border-top: 1px solid var(--rule); margin-top: 34px; padding-top: 25px; }
.material-feature { display: grid; grid-template-columns: 1.3fr .7fr; gap: clamp(28px, 6vw, 90px); align-items: center; }
.material-feature .photo { aspect-ratio: 1.55; }
.material-feature h2 { margin-bottom: 18px; }
.link-stack { display: flex; align-items: start; flex-direction: column; gap: 20px; margin-top: 30px; }
.page-title { display: flex; align-items: end; justify-content: space-between; gap: 32px; padding-block: 30px 36px; }
.page-title .lede { margin-top: 14px; }
.page-title > p { max-width: 30em; color: var(--muted); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 76px); align-items: start; }
.split--hero { grid-template-columns: .72fr 1.28fr; align-items: center; padding-top: 40px; padding-bottom: 60px; }
.split--hero .photo { aspect-ratio: 1.4; }
.split--hero h1 { margin-bottom: 24px; }
.split--hero .text-link { margin-top: 28px; }
.split--center { align-items: center; }
.split--wide-image { grid-template-columns: 1.25fr .75fr; }
.intro-copy p + p { margin-top: 20px; }
.intro-copy h2 { margin-bottom: 22px; }
.image-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 25px; }
.image-grid--two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.image-grid--four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.image-grid h3 { margin-top: 16px; }
.image-grid p { margin-top: 8px; color: var(--muted); }
.image-grid .photo { aspect-ratio: 1.2; }
.data-list { border-top: 1px solid var(--rule); }
.data-list > div { display: grid; grid-template-columns: minmax(100px, .7fr) 1.6fr; gap: 24px; border-bottom: 1px solid var(--rule); padding-block: 21px; }
.data-list dt { font-size: 17px; font-weight: 500; }
.data-list dd { color: var(--muted); }
.data-list a:hover { text-decoration: underline; }
.detail-content h2 { margin-bottom: 26px; }
.detail-content > .text-link { margin-top: 28px; }
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; }
.steps--three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.step-number { color: var(--muted); font-size: 26px; font-weight: 300; border-top: 1px solid var(--rule); padding-top: 18px; margin-bottom: 18px; }
.steps p { color: var(--muted); margin-top: 10px; }
.steps img { height: 200px; object-fit: cover; margin-bottom: 18px; }
.consult-strip { display: flex; gap: 32px; align-items: center; justify-content: space-between; padding-block: 38px; border-block: 1px solid var(--rule); }
.consult-strip p { color: var(--muted); margin-top: 8px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 22px; border: 1px solid currentColor; background: transparent; color: inherit; min-height: 50px; padding: 12px 24px; font-size: 15px; }
.button:hover { background: var(--ink); color: var(--page); }
.inset .button:hover { color: var(--inset); }
.button--solid { color: var(--page); background: var(--ink); border-color: var(--ink); }
.inset .button--solid { background: var(--inset-ink); color: var(--inset); border-color: var(--inset-ink); }
.buttons { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 25px; }
.faq { border-top: 1px solid var(--rule); }
.faq details { border-bottom: 1px solid var(--rule); }
.faq summary { cursor: pointer; padding: 20px 35px 20px 0; position: relative; list-style: none; font-size: 17px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 4px; font-size: 22px; top: 15px; }
.faq details[open] summary::after { content: '−'; }
.faq details p { padding-bottom: 24px; color: var(--muted); max-width: 70em; }
.case-meta { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--rule); padding: 22px 0; margin-bottom: 50px; gap: 24px; }
.record-photo { width: 100%; max-width: 365px; justify-self: center; }
.split--hero .record-photo .photo, .record-card .photo { aspect-ratio: 1; max-width: 365px; }
.case-meta div { display: flex; gap: 22px; }
.case-meta dt { color: var(--muted); }
.case-nav { display: flex; justify-content: space-between; border-top: 1px solid var(--rule); padding-top: 28px; }
.case-nav a:hover { text-decoration: underline; }
.materials-list { display: flex; flex-wrap: wrap; gap: 20px 40px; border-block: 1px solid var(--rule); padding-block: 16px; margin-block: 30px; color: var(--muted); font-size: 14px; }
.materials-list a:hover { color: var(--ink); text-decoration: underline; }
.sample-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.sample-grid .photo { aspect-ratio: 1.5; }
.sample-grid figcaption { padding-top: 12px; }
.tone-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 25px; }
.tone-grid h3 { margin-top: 15px; font-size: 19px; }
.tone-grid p { margin-top: 4px; color: var(--muted); font-size: 14px; }
.tone-swatch { aspect-ratio: 1.5; border: 1px solid var(--rule); }
.tone-swatch--ivory { background: #eeeae0; }
.tone-swatch--sand { background: #d2c5b0; }
.tone-swatch--gray { background: #bcbeb6; }
.tone-swatch--charcoal { background: #3e423e; }
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; }
.contact-layout > .photo { min-height: 480px; }
.contact-layout--compact > .photo { min-height: 320px; }
.contact-list > li { border-bottom: 1px solid var(--rule); padding-block: 20px; display: grid; grid-template-columns: 45px 1fr; gap: 18px; }
.contact-list > li:last-child { border-bottom: 0; }
.contact-list .number { font-size: 25px; font-weight: 300; }
.contact-list h3 { font-size: 19px; }
.contact-list p { color: var(--muted); font-size: 15px; margin-top: 7px; }
.contact-number { font-size: clamp(28px, 3.7vw, 50px); white-space: nowrap; letter-spacing: -.015em; }
.contact-note { font-size: 14px; color: var(--muted); margin-top: 22px; }
.address { font-style: normal; font-size: 20px; }
.region-links { display: grid; gap: 0; border-top: 1px solid var(--rule); margin-top: 24px; }
.region-links a { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 20px; border-bottom: 1px solid var(--rule); }
.region-links a:hover { text-decoration: underline; }
.region-diagram { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; text-align: center; align-items: center; padding-block: 35px; }
.region-diagram .region-hub { grid-column: 1 / -1; font-size: 34px; margin-bottom: 12px; }
.region-diagram span { border-top: 1px solid var(--rule); padding-top: 18px; }
.technical-drawing { width: 100%; height: auto; stroke: currentColor; fill: none; stroke-width: 1; margin-block: 20px; }
.technical-drawing text { fill: currentColor; stroke: none; font-size: 13px; }
.site-footer { padding-block: 55px 28px; border-top: 1px solid var(--rule); }
.footer-top { display: grid; grid-template-columns: 1.1fr 1fr 1fr 1.3fr; gap: 45px; }
.footer-top .wordmark { display: block; margin-bottom: 18px; }
.footer-top h2 { font-size: 14px; color: var(--muted); margin-bottom: 16px; letter-spacing: 0; }
.footer-top p, .footer-top li, .footer-top address { font-size: 14px; line-height: 1.9; font-style: normal; }
.footer-top p { color: var(--muted); }
.footer-top ul { display: grid; gap: 7px; }
.footer-top a:hover { text-decoration: underline; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; border-top: 1px solid var(--rule); margin-top: 45px; padding-top: 22px; color: var(--muted); font-size: 12px; }
.blog-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.blog-card .photo { aspect-ratio: 1.45; }
.blog-card h3 { margin-top: 16px; font-size: 19px; }
.blog-card p { color: var(--muted); font-size: 14px; margin-top: 8px; }
.blog-card:hover h3 { text-decoration: underline; }
@media (max-width: 1100px) {
  .header-inner { gap: 22px; }
  .site-nav { gap: 22px; }
  .nav-contact { padding-left: 20px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .image-grid--four { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .header-inner { min-height: 72px; justify-content: space-between; }
  .header-actions { margin-left: auto; }
  .menu-toggle { display: inline-flex; align-items: center; }
  .site-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; margin: 0; padding: 14px var(--gutter) 24px; background: var(--page); border-bottom: 1px solid var(--rule); flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 13px 0; }
  .nav-contact { border-left: 0; border-top: 1px solid var(--rule); }
  .hero-caption { grid-template-columns: 1fr 1fr; gap: 22px; }
  .hero-caption .eyebrow { display: none; }
  .split--hero, .split, .split--wide-image { gap: 30px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps--three { grid-template-columns: repeat(3, 1fr); }
  .material-feature { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media (max-width: 640px) {
  .tone-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 16px; }
  .theme-toggle { min-width: 30px; }
  .theme-toggle .theme-name { display: none; }
  .header-actions { gap: 20px; }
  .wordmark { font-size: 23px; }
  .home-hero .photo { aspect-ratio: .95; min-height: 0; }
  .home-hero .photo img { object-position: 58% center; }
  .hero-caption { grid-template-columns: 1fr; padding-block: 24px 38px; gap: 18px; }
  .hero-caption > p { font-size: 15px; }
  .section-heading, .page-title { display: block; }
  .section-heading p, .section-heading .text-link, .page-title > p { margin-top: 18px; }
  .split, .split--hero, .split--wide-image, .material-feature, .contact-layout, .project-grid { grid-template-columns: 1fr; }
  .split--hero { padding-top: 30px; padding-bottom: 42px; }
  .split--hero .photo { aspect-ratio: 1.15; }
  .project-grid { gap: 32px; }
  .project-grid .photo { height: auto; aspect-ratio: 1.2; }
  .material-feature .photo { aspect-ratio: 1.2; }
  .image-grid, .image-grid--two, .image-grid--four, .blog-grid { grid-template-columns: 1fr; gap: 30px; }
  .sample-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 16px; }
  .sample-grid .photo { aspect-ratio: 1; }
  .sample-grid figcaption { font-size: 14px; }
  .materials-list { gap: 12px 20px; }
  .steps, .steps--three { grid-template-columns: 1fr; gap: 28px; }
  .steps img { height: 240px; }
  .consult-strip { align-items: start; flex-direction: column; gap: 24px; }
  .data-list > div { grid-template-columns: 100px 1fr; gap: 18px; padding-block: 18px; }
  .data-list dt { font-size: 16px; }
  .data-list dd { font-size: 15px; }
  .contact-layout > .photo { min-height: 0; aspect-ratio: 1.4; }
  .case-meta { grid-template-columns: 1fr; gap: 12px; margin-bottom: 32px; }
  .case-meta div { gap: 20px; }
  .case-meta dt { min-width: 45px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px 20px; }
  .footer-top > :first-child, .footer-top > :last-child { grid-column: 1 / -1; }
  .photo--wide { aspect-ratio: 1.2; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
@media print {
  :root, :root[data-theme], :root:not([data-theme]) { color-scheme: light; --page: #fff; --ink: #111; --muted: #444; --rule: #ccc; --surface: #eee; --inset: #eee; }
  .site-header { position: static; }
  .header-actions, .site-nav { display: none; }
}