/* ==========================================================================
   Plinth — gallery-white collectible design template · archesign.studio
   1. Tokens  2. Base  3. Header  4. Components  5. Pages  6. Footer  7. Responsive
   ========================================================================== */

/* 1. Tokens ---------------------------------------------------------------- */
:root {
  --white: #fbfbf9;
  --wall: #ecebe7;
  --ink: #1a1a1a;
  --grey: #9a9893;
  --hair: #dedcd6;
  --brass: #b08d57;

  --font-sans: "Geist", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "EB Garamond", Garamond, Georgia, serif;

  --gutter: clamp(20px, 4vw, 64px);
  --max: 1440px;
  --space: clamp(110px, 14vw, 220px);
  --ease: cubic-bezier(.25, .5, .2, 1);
}

/* 2. Base ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--white); color: var(--ink); font: 300 16px/1.7 var(--font-sans); -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
h1, h2, h3 { font-weight: 300; margin: 0; line-height: 1.08; letter-spacing: -.03em; }
:focus-visible { outline: 1px solid var(--ink); outline-offset: 5px; }
::selection { background: var(--wall); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--white); padding: 8px 12px; z-index: 100; }
.skip:focus { left: 8px; }
.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: var(--space) 0; }
.it { font: italic 400 1.15em var(--font-serif); letter-spacing: 0; }
.lbl { font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--grey); margin: 0 0 10px; }
.grey { color: var(--grey); }

/* 3. Header ---------------------------------------------------------------- */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--white); }
.header-row { display: flex; justify-content: space-between; align-items: center; height: 80px; }
.logo { font-size: 15px; font-weight: 500; letter-spacing: .02em; }
.site-nav { display: flex; gap: 36px; }
.site-nav a { font-size: 13px; color: var(--grey); transition: color .3s; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); }
.site-nav a[aria-current="page"]::before { content: "— "; }
.menu-btn { display: none; }

/* 4. Components ------------------------------------------------------------ */
.link { display: inline-flex; gap: 10px; font-size: 14px; border-bottom: 1px solid var(--ink); padding-bottom: 3px; }
.link:hover { color: var(--brass); border-color: var(--brass); }
.btn { display: inline-flex; padding: 15px 28px; border: 1px solid var(--ink); background: var(--ink); color: var(--white); font: 400 14px var(--font-sans); letter-spacing: .04em; cursor: pointer; transition: background .3s, color .3s; }
.btn:hover { background: transparent; color: var(--ink); }
.label-card { font-size: 13px; line-height: 1.55; border-left: 1px solid var(--ink); padding-left: 14px; }
.label-card b { display: block; font-weight: 500; font-size: 14px; }
.label-card i { font: italic 400 17px var(--font-serif); }
.object { display: block; }
.object .stage { background: var(--wall); overflow: hidden; }
.object img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; transition: transform 2s var(--ease); }
.object:hover img { transform: scale(1.03); }
.object .label-card { margin-top: 18px; }
.js .reveal { opacity: 0; transition: opacity 1.6s var(--ease); }
.js .reveal.is-in { opacity: 1; }

/* 5. Pages ----------------------------------------------------------------- */
/* hero */
.hero { display: grid; grid-template-columns: 1fr 1.25fr 1fr; gap: var(--gutter); align-items: end; padding-top: clamp(30px, 4vw, 60px); }
.hero h1 { font-size: clamp(38px, 4.4vw, 68px); }
.hero h1 .it { font-size: 1.05em; }
.hero .intro p { max-width: 30ch; color: #4a4a48; margin-top: 24px; }
.hero .stage { background: var(--wall); }
.hero .stage img { width: 100%; aspect-ratio: 11 / 13; object-fit: cover; }
.hero aside { display: flex; flex-direction: column; gap: 40px; padding-bottom: 6px; }

/* exhibition */
.exhibit { display: grid; grid-template-columns: 1fr 2fr; gap: var(--gutter); border-top: 1px solid var(--ink); padding-top: 30px; }
.exhibit h2 { font-size: clamp(40px, 5.6vw, 92px); }
.exhibit .meta { display: grid; grid-template-columns: repeat(3, auto); justify-content: start; gap: 10px 50px; margin-top: 30px; font-size: 14px; }

/* objects grid */
.sec-head { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; margin-bottom: clamp(36px, 5vw, 70px); }
.sec-head h2 { font-size: clamp(30px, 3.4vw, 50px); }
.objects { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(40px, 6vw, 100px) clamp(20px, 4vw, 64px); }
.objects > :nth-child(3n + 2) { margin-top: clamp(40px, 8vw, 140px); }
.objects--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.objects--4 > :nth-child(3n + 2) { margin-top: 0; }
.objects--4 > :nth-child(even) { margin-top: clamp(30px, 6vw, 100px); }

/* quote */
.statement { font: italic 400 clamp(28px, 3.4vw, 52px)/1.25 var(--font-serif); max-width: 26ch; margin: 0 auto; text-align: center; }
.statement + p { text-align: center; color: var(--grey); margin-top: 26px; font-size: 13px; letter-spacing: .14em; text-transform: uppercase; }

/* page head */
.page-head { padding: clamp(60px, 9vw, 140px) 0 clamp(40px, 6vw, 90px); display: grid; grid-template-columns: 1fr 1fr; gap: var(--gutter); align-items: end; }
.page-head h1 { font-size: clamp(48px, 7vw, 112px); }
.page-head p { max-width: 44ch; color: #4a4a48; margin: 0; }
.filters { display: flex; flex-wrap: wrap; gap: 6px 26px; margin-bottom: clamp(36px, 5vw, 70px); border-bottom: 1px solid var(--hair); padding-bottom: 14px; }
.filters button { font: 400 13px var(--font-sans); background: none; border: 0; color: var(--grey); padding: 0; cursor: pointer; }
.filters button[aria-pressed="true"] { color: var(--ink); }
.filters button[aria-pressed="true"]::before { content: "— "; }

/* object page */
.obj-page { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(30px, 6vw, 110px); align-items: start; }
.views { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.views figure { margin: 0; background: var(--wall); }
.views figure:first-child { grid-column: 1 / -1; }
.views img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.views figure:first-child img { aspect-ratio: 11 / 13; }
.views figcaption { font-size: 12px; color: var(--grey); padding: 10px 0 0; background: var(--white); }
.obj-info { position: sticky; top: 110px; }
.obj-info h1 { font-size: clamp(40px, 4.4vw, 70px); margin-bottom: 24px; }
.obj-info .label-card { font-size: 14px; margin-bottom: 30px; }
.facts { margin: 0 0 30px; border-top: 1px solid var(--hair); }
.facts div { display: grid; grid-template-columns: 120px 1fr; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--hair); font-size: 14px; }
.facts dt { color: var(--grey); }
.facts dd { margin: 0; }
.essay { max-width: 640px; margin: 0 auto; font: 400 21px/1.6 var(--font-serif); }
.essay p:first-child::first-letter { float: left; font-size: 74px; line-height: .8; padding: 6px 10px 0 0; }

/* atelier */
.cv { display: grid; grid-template-columns: 1fr 2fr; gap: var(--gutter); }
.cv h2 { font-size: clamp(30px, 3.4vw, 50px); }
.cv table { width: 100%; border-collapse: collapse; font-size: 15px; }
.cv td { padding: 12px 20px 12px 0; border-top: 1px solid var(--hair); vertical-align: top; }
.cv td:first-child { width: 80px; color: var(--grey); font-variant-numeric: tabular-nums; }
.cv td:last-child { color: var(--grey); text-align: right; padding-right: 0; }
.cv .it { color: var(--ink); }
.portrait { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gutter); align-items: end; }
.portrait img { width: 100%; aspect-ratio: 7 / 9; object-fit: cover; background: var(--wall); }

/* editions */
.editions { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gutter); border-top: 1px solid var(--ink); }
.editions div { padding-top: 26px; }
.editions h3 { font-size: 30px; margin-bottom: 12px; }
.editions p { color: #4a4a48; }
.editions .it { color: var(--brass); }
.faq { max-width: 820px; }
.faq details { border-top: 1px solid var(--hair); padding: 22px 0; }
.faq details:last-child { border-bottom: 1px solid var(--hair); }
.faq summary { display: block; position: relative; padding-right: 40px; cursor: pointer; list-style: none; font-size: 19px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: -2px; font-weight: 300; font-size: 22px; color: var(--grey); }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 12px 0 0; color: #4a4a48; max-width: 64ch; }

/* contact */
.contact { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(30px, 6vw, 110px); align-items: start; }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 34px 28px; }
.form > *, .field { min-width: 0; }
.field { display: flex; flex-direction: column; gap: 4px; }
.field--full, .actions, .form-note, .check { grid-column: 1 / -1; }
.field label { font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--grey); }
.field input, .field select, .field textarea { font: 300 18px var(--font-sans); color: var(--ink); background: transparent; border: 0; border-bottom: 1px solid var(--hair); border-radius: 0; padding: 10px 0; min-width: 0; max-width: 100%; }
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-bottom-color: var(--ink); }
.check { display: flex; gap: 10px; align-items: start; font-size: 14px; color: #4a4a48; }
.check input { margin-top: 5px; accent-color: var(--ink); }
.form-note { margin: 0; padding: 14px 0; border-top: 1px solid var(--ink); font: italic 400 18px var(--font-serif); }

/* 6. Footer ---------------------------------------------------------------- */
.site-footer { margin-top: var(--space); padding: 60px 0 30px; border-top: 1px solid var(--hair); font-size: 14px; }
.f-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--gutter); }
.f-logo { font-weight: 500; margin: 0 0 8px; }
.f-grid a:hover { color: var(--brass); }
.f-base { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin: 60px 0 0; color: var(--grey); font-size: 12px; }
.f-base a { color: var(--ink); border-bottom: 1px solid var(--ink); }

/* 7. Responsive ------------------------------------------------------------ */
@media (max-width: 1100px) {
  .hero { grid-template-columns: 1fr 1.2fr; }
  .hero aside { grid-column: 1 / -1; flex-direction: row; justify-content: space-between; }
  .objects--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .header-row { height: 66px; }
  .menu-btn { display: inline-block; position: relative; z-index: 60; background: none; border: 0; font: 400 13px var(--font-sans); color: var(--ink); cursor: pointer; padding: 8px 0; border-bottom: 1px solid var(--ink); }
  .site-nav { position: fixed; inset: 0; z-index: 55; flex-direction: column; justify-content: center; gap: 14px; padding: 0 var(--gutter); background: var(--white); opacity: 0; visibility: hidden; transition: opacity .4s, visibility .4s; }
  .site-nav a { font: 300 44px var(--font-sans); letter-spacing: -.03em; color: var(--ink); }
  .site-nav a[aria-current="page"]::before { content: ""; }
  .site-nav a[aria-current="page"] { font-family: var(--font-serif); font-style: italic; }
  .menu-open .site-nav { opacity: 1; visibility: visible; }
  .menu-open { overflow: hidden; }
  .hero, .exhibit, .page-head, .obj-page, .cv, .portrait, .contact, .form { grid-template-columns: 1fr; }
  .hero aside { flex-direction: column; }
  .obj-info { position: static; }
  .objects { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .objects > :nth-child(3n + 2) { margin-top: 0; }
  .objects > :nth-child(even) { margin-top: clamp(30px, 8vw, 80px); }
  .editions { grid-template-columns: 1fr; }
  .exhibit .meta { grid-template-columns: 1fr 1fr; }
  .f-grid { grid-template-columns: 1fr 1fr; }
  .f-grid > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .objects, .objects--4 { grid-template-columns: 1fr; }
  .objects > :nth-child(even), .objects--4 > :nth-child(even) { margin-top: 0; }
  .cv td:last-child { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}