/* Michał Rudnicki, architekt: 2026 */

:root {
  --paper: #f3f1ec;
  --paper-2: #e9e6df;
  --ink: #161615;
  --ink-2: #57544e;
  --ink-3: #8a867e;
  --rule: #d6d1c7;
  --accent: #a4472a;
  --gutter: clamp(16px, 4vw, 56px);
  --max: 1600px;
  --font: "Jost", "Futura", "Avenir Next", system-ui, sans-serif;
  --ease: cubic-bezier(.2, .7, .2, 1);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #141413; --paper-2: #1d1c1a; --ink: #ece9e2; --ink-2: #a9a49a;
    --ink-3: #7a766e; --rule: #2e2c29; --accent: #d77a55; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #141413; --paper-2: #1d1c1a; --ink: #ece9e2; --ink-2: #a9a49a;
  --ink-3: #7a766e; --rule: #2e2c29; --accent: #d77a55; color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 88px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 17px/1.6 var(--font); font-feature-settings: "tnum" 0;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
::selection { background: var(--ink); color: var(--paper); }

.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--paper); padding: 8px 14px; z-index: 100; }
.skip:focus { left: 8px; }

.eyebrow { font-size: 12px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }
.display { font-weight: 300; font-size: clamp(40px, 7.2vw, 112px); line-height: .95; letter-spacing: -.025em; }
.lede { font-size: clamp(18px, 1.6vw, 22px); line-height: 1.5; color: var(--ink-2); max-width: 38em; font-weight: 300; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 18px var(--gutter);
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  -webkit-backdrop-filter: saturate(1.4) blur(14px); backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .3s;
}
.site-header.is-scrolled { border-bottom-color: var(--rule); }
.brand { display: flex; align-items: baseline; gap: 10px; white-space: nowrap; }
.brand-name { font-weight: 500; font-size: 17px; letter-spacing: .01em; }
.brand-role { color: var(--ink-3); font-size: 15px; }
.site-nav { display: flex; gap: clamp(16px, 3vw, 40px); font-size: 15px; }
.site-nav a { position: relative; color: var(--ink-2); transition: color .2s; }
.site-nav a:hover, .site-nav a[aria-current] { color: var(--ink); }
.site-nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -3px; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease); }
.site-nav a:hover::after, .site-nav a[aria-current]::after { transform: scaleX(1); }
@media (max-width: 560px) { .brand-role { display: none; } .site-nav { gap: 16px; } }

/* ---------- hero ---------- */
.hero { max-width: var(--max); margin: 0 auto; padding: clamp(40px, 9vw, 140px) var(--gutter) 0; }
.hero-text { display: grid; gap: 28px; margin-bottom: clamp(40px, 6vw, 88px); }
.hero .display span { display: block; color: var(--ink-3); }
@media (min-width: 1000px) {
  .hero-text { grid-template-columns: 1.6fr 1fr; align-items: end; }
  .hero .lede { padding-bottom: .6em; }
}
.hero-media { position: relative; display: block; overflow: hidden; background: var(--paper-2); }
.hero-media img { width: 100%; aspect-ratio: 16 / 8; object-fit: cover; transition: transform 1.4s var(--ease); }
.hero-media:hover img { transform: scale(1.02); }
@media (max-width: 680px) { .hero-media img { aspect-ratio: 4 / 3; } }
.hero-caption { position: absolute; left: 0; bottom: 0; display: flex; gap: 10px; padding: 12px 16px; background: var(--paper); font-size: 14px; color: var(--ink-2); }

/* ---------- projects ---------- */
.projects { max-width: var(--max); margin: 0 auto; padding: clamp(72px, 10vw, 160px) var(--gutter) 0; }
.section-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 20px 40px; margin-bottom: 36px; padding-bottom: 20px; border-bottom: 1px solid var(--rule); }
.section-head h2 { font-weight: 300; font-size: clamp(32px, 4vw, 56px); line-height: 1; letter-spacing: -.02em; }
.section-head sup { font-size: .32em; color: var(--ink-3); vertical-align: top; position: relative; top: .4em; letter-spacing: 0; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font: inherit; font-size: 14px; color: var(--ink-2); background: transparent; cursor: pointer;
  border: 1px solid var(--rule); border-radius: 999px; padding: 6px 14px; transition: all .2s;
}
.chip:hover { border-color: var(--ink-3); color: var(--ink); }
.chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--paper); }
@media (max-width: 680px) {
  .filters { flex-wrap: nowrap; overflow-x: auto; margin: 0 calc(-1 * var(--gutter)); padding: 0 var(--gutter) 4px; scrollbar-width: none; }
  .filters::-webkit-scrollbar { display: none; }
  .chip { flex: none; }
}

.grid { display: grid; gap: clamp(32px, 4vw, 56px) clamp(16px, 2vw, 28px); grid-template-columns: 1fr; }
@media (min-width: 680px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .grid { grid-template-columns: repeat(3, 1fr); } }
.card[hidden] { display: none; }
.card { animation: rise .6s var(--ease) both; }
@keyframes rise { from { opacity: 0; transform: translateY(12px); } }
.card-media { overflow: hidden; background: var(--paper-2); }
.card-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .9s var(--ease), filter .4s; }
.card a:hover .card-media img { transform: scale(1.035); }
.card-text { display: grid; grid-template-columns: 1fr auto; column-gap: 12px; padding-top: 14px; }
.card h3 { font-weight: 400; font-size: 20px; line-height: 1.3; }
.card p { grid-column: 1; font-size: 14px; color: var(--ink-3); }
.card-count { grid-row: 1; grid-column: 2; font-size: 13px; color: var(--ink-3); font-variant-numeric: tabular-nums; padding-top: 4px; }
.card a:hover h3 { color: var(--accent); }

.others { margin-top: clamp(72px, 9vw, 128px); }
.others-list { margin-top: 16px; border-top: 1px solid var(--rule); columns: 2 420px; column-gap: 56px; }
.others-list li { display: flex; justify-content: space-between; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--rule); break-inside: avoid; }
.others-list li[hidden] { display: none; }
.others-list li span:last-child { color: var(--ink-3); font-size: 14px; text-align: right; }

/* ---------- project page ---------- */
.project { max-width: var(--max); margin: 0 auto; padding: clamp(32px, 6vw, 88px) var(--gutter) 0; }
.back { display: inline-flex; gap: 8px; font-size: 14px; color: var(--ink-3); margin-bottom: clamp(28px, 4vw, 48px); transition: color .2s, gap .3s var(--ease); }
.back:hover { color: var(--ink); gap: 12px; }
.project-head { display: grid; gap: 28px; margin-bottom: clamp(36px, 5vw, 72px); }
.project-head .display { font-size: clamp(40px, 6.4vw, 96px); max-width: 14ch; }
.facts { display: flex; flex-wrap: wrap; gap: 12px 48px; border-top: 1px solid var(--rule); padding-top: 18px; }
.facts dt { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); font-weight: 500; }
.facts dd { font-size: 17px; }
.project-lead { display: block; background: var(--paper-2); }
.project-lead img { width: 100%; max-height: 88vh; object-fit: contain; }
.gallery { display: grid; grid-template-columns: 1fr; gap: clamp(16px, 2vw, 28px); margin-top: clamp(16px, 2vw, 28px); }
@media (min-width: 900px) { .gallery { grid-template-columns: 1fr 1fr; } .tile-wide { grid-column: 1 / -1; } }
.tile { display: grid; place-items: center; background: var(--paper-2); padding: clamp(0px, 2vw, 32px); cursor: zoom-in; overflow: hidden; }
.tile img { max-height: 78vh; width: auto; transition: transform .8s var(--ease); }
.tile:hover img { transform: scale(1.015); }
.project-lead { cursor: zoom-in; }

.pager { display: grid; grid-template-columns: 1fr 1fr; margin-top: clamp(72px, 9vw, 128px); border-top: 1px solid var(--rule); }
.pager a { display: grid; gap: 6px; padding: 28px 0; font-size: clamp(20px, 2.4vw, 32px); font-weight: 300; line-height: 1.2; transition: color .2s; }
.pager a:last-child { text-align: right; border-left: 1px solid var(--rule); padding-left: 24px; }
.pager a:first-child { padding-right: 24px; }
.pager a:hover { color: var(--accent); }

/* ---------- about ---------- */
.about { max-width: 1240px; margin: 0 auto; padding: clamp(40px, 7vw, 112px) var(--gutter) 0; }
.about-intro { display: grid; gap: clamp(32px, 5vw, 72px); align-items: end; margin-bottom: clamp(64px, 8vw, 120px); }
.about-intro > div { display: grid; gap: 24px; }
.about .display { font-size: clamp(40px, 5.6vw, 84px); }
.portrait { max-width: 420px; background: var(--paper-2); }
.portrait img { width: 100%; filter: grayscale(1) contrast(1.05); mix-blend-mode: multiply; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .portrait img { mix-blend-mode: normal; } }
@media (min-width: 900px) { .about-intro { grid-template-columns: 5fr 7fr; } }
.cv-block { display: grid; gap: 20px; padding: 40px 0; border-top: 1px solid var(--rule); }
@media (min-width: 900px) { .cv-block { grid-template-columns: 3fr 9fr; } }
.cv-list li { display: grid; grid-template-columns: 120px 1fr; gap: 24px; padding: 0 0 28px; }
.cv-list li:last-child { padding-bottom: 0; }
.cv-years { font-variant-numeric: tabular-nums; color: var(--ink-3); font-size: 15px; padding-top: 3px; }
.cv-list h3 { font-weight: 500; font-size: 19px; line-height: 1.35; }
.cv-list p { color: var(--ink-2); }
.cv-list .cv-note { color: var(--ink-3); font-size: 15px; }
@media (max-width: 560px) { .cv-list li { grid-template-columns: 1fr; gap: 2px; } }
.facts-stack { display: grid; gap: 20px; border: 0; padding: 0; }

/* ---------- footer ---------- */
.site-footer { margin-top: clamp(96px, 12vw, 200px); background: var(--ink); color: var(--paper); }
.footer-inner { max-width: var(--max); margin: 0 auto; padding: clamp(56px, 8vw, 120px) var(--gutter) 32px; display: grid; gap: 28px; }
.site-footer .eyebrow { color: color-mix(in srgb, var(--paper) 55%, transparent); }
.footer-lead { font-weight: 300; font-size: clamp(36px, 6vw, 88px); line-height: 1; letter-spacing: -.02em; max-width: 12ch; }
.footer-cols { display: flex; flex-wrap: wrap; gap: 12px 48px; align-items: baseline; margin-top: 16px; font-size: clamp(18px, 1.8vw, 24px); }
.footer-link { border-bottom: 1px solid color-mix(in srgb, var(--paper) 35%, transparent); transition: border-color .2s; overflow-wrap: anywhere; }
.footer-link:hover { border-color: var(--paper); }
.footer-meta { color: color-mix(in srgb, var(--paper) 55%, transparent); }
.footer-small { margin-top: clamp(48px, 6vw, 96px); padding-top: 20px; border-top: 1px solid color-mix(in srgb, var(--paper) 18%, transparent); font-size: 13px; color: color-mix(in srgb, var(--paper) 50%, transparent); }

/* ---------- lightbox ---------- */
.lb { position: fixed; inset: 0; width: 100%; height: 100%; max-width: none; max-height: none; margin: 0; padding: 0; border: 0; background: rgba(14, 14, 13, .97); color: #ece9e2; }
.lb::backdrop { background: transparent; }
.lb[open] { display: grid; grid-template-rows: auto 1fr; animation: fade .25s ease; }
@keyframes fade { from { opacity: 0; } }
.lb-bar { display: flex; justify-content: space-between; align-items: center; padding: 14px var(--gutter); font-size: 14px; color: #a9a49a; font-variant-numeric: tabular-nums; }
.lb-stage { position: relative; display: grid; place-items: center; min-height: 0; padding: 0 var(--gutter) var(--gutter); touch-action: pan-y; }
.lb-stage img { max-width: 100%; max-height: 100%; object-fit: contain; user-select: none; }
.lb button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 10px; }
.lb-close { font-size: 14px; letter-spacing: .1em; text-transform: uppercase; }
.lb-prev, .lb-next { position: absolute; top: 0; bottom: 0; width: 30%; display: flex; align-items: center; font-size: 28px; opacity: .55; transition: opacity .2s; }
.lb-prev { left: 0; justify-content: flex-start; padding-left: var(--gutter); }
.lb-next { right: 0; justify-content: flex-end; padding-right: var(--gutter); }
.lb-prev:hover, .lb-next:hover { opacity: 1; }
@media (hover: none) { .lb-prev, .lb-next { opacity: 0; } }