/* ============================================================
   MAT-BUD — papier kreślarski
   Jasny papier / czarny tusz / czerwień kreślarska
   ============================================================ */

:root {
  --bg: #f4f1ea;
  --bg2: #ebe7dd;
  --ink: #17181a;
  --ink-dim: #6f6e66;
  --accent: #c5301f;
  --hairline: rgba(23, 24, 26, .18);
  --hairline-soft: rgba(23, 24, 26, .08);
  --font-main: "Space Grotesk", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --fl-ov: 14px;           /* przeciągnięcie linii poza narożnik */
  --pad: clamp(20px, 4vw, 64px);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: auto; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: var(--bg); }

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

a:focus-visible, button:focus-visible {
  outline: 1px dashed var(--accent);
  outline-offset: 4px;
}

.mono {
  font-family: var(--font-mono);
  font-weight: 400;
  letter-spacing: .14em;
  font-size: 11px;
}

.accent { color: var(--accent); font-style: normal; }

.container {
  max-width: 1440px;
  margin-inline: auto;
  padding-inline: var(--pad);
}

.section { padding-block: clamp(90px, 12vw, 160px); position: relative; }
.alt-bg { background: var(--bg2); }

.measure-probe { position: absolute; visibility: hidden; }

/* ---------- pionowe linie pomocnicze (siatka kreślarska) ---------- */

.page-guides {
  position: fixed; inset: 0;
  pointer-events: none; z-index: 1;
}
.page-guides i {
  position: absolute; top: -5vh; bottom: -5vh; width: 1px;
  background: var(--ink); opacity: .07;
}
.page-guides i:nth-child(1) { left: 25%; }
.page-guides i:nth-child(2) { left: 50%; }
.page-guides i:nth-child(3) { left: 75%; }

/* ---------- nagłówki sekcji ---------- */

.sec-label {
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: clamp(1.4rem, 3vw, 2.6rem);
  position: relative;
  padding-left: 34px;
}
.sec-label::before {
  content: ""; position: absolute; left: -10px; top: 50%;
  width: 34px; height: 1px; background: var(--accent);
}

.h2 {
  font-size: clamp(2rem, 4.5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -.02em;
  text-transform: uppercase;
  max-width: 18ch;
}

.sec-head { margin-bottom: clamp(3rem, 6vw, 5.5rem); }

/* ============================================================
   KOMPONENT: linia wymiarowa (styl kreślarski)
   ============================================================ */

.dim { display: flex; align-items: center; color: var(--ink-dim); }

.dim-line { flex: 1; height: 1px; background: currentColor; opacity: .55; }

.dim-label {
  padding-inline: 14px;
  color: var(--accent);
  letter-spacing: .12em;
  white-space: nowrap;
}

/* koniec wymiaru: linia odnośnikowa + ukośna kreska 45° */
.dim-end { position: relative; width: 1px; height: 18px; background: currentColor; flex: none; }
.dim-end::after {
  content: ""; position: absolute; left: 50%; top: 50%;
  width: 13px; height: 1px; background: var(--accent);
  transform: translate(-50%, -50%) rotate(-45deg);
}

/* wariant pionowy */
.dim-v { flex-direction: column; height: 100%; width: auto; }
.dim-v .dim-line { flex: 1; width: 1px; height: auto; }
.dim-v .dim-label { padding: 12px 0; writing-mode: vertical-rl; }
.dim-v .dim-end { width: 18px; height: 1px; }

/* ============================================================
   KOMPONENT: ramka z przeciągniętych linii (.draw-frame + .fl)
   ============================================================ */

.draw-frame { position: relative; }

.fl {
  position: absolute; background: var(--ink); opacity: .75;
  pointer-events: none;
  transition: left .35s ease, right .35s ease, top .35s ease, bottom .35s ease, background .35s ease;
}
.fl-t { top: 0;    left: calc(-1 * var(--fl-ov)); right: calc(-1 * var(--fl-ov)); height: 1px; transform-origin: left center; }
.fl-b { bottom: 0; left: calc(-1 * var(--fl-ov)); right: calc(-1 * var(--fl-ov)); height: 1px; transform-origin: right center; }
.fl-l { left: 0;   top: calc(-1 * var(--fl-ov)); bottom: calc(-1 * var(--fl-ov)); width: 1px; transform-origin: center top; }
.fl-r { right: 0;  top: calc(-1 * var(--fl-ov)); bottom: calc(-1 * var(--fl-ov)); width: 1px; transform-origin: center bottom; }

.draw-frame:hover { --fl-ov: 24px; }

/* ---------- pozioma linia działowa z przeciągnięciem ---------- */

.rule {
  position: relative; height: 1px; border: 0;
  background: var(--hairline);
  width: calc(100% + 48px); margin-left: -24px;
}

/* ============================================================
   PRELOADER
   ============================================================ */

.preloader {
  position: fixed; inset: 0; z-index: 200;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
}
.preloader-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.preloader-caption {
  position: absolute; left: 0; right: 0; bottom: 9%;
  text-align: center; color: var(--ink-dim);
  letter-spacing: .22em; font-size: 10px;
}
.preloader-inner { width: min(460px, 78vw); text-align: center; }

/* ============================================================
   NAWIGACJA
   ============================================================ */

.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 130;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px var(--pad);
  transition: background .4s ease, padding .4s ease;
}
.site-nav::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: var(--hairline);
  transform: scaleX(0); transition: transform .5s ease;
}
.site-nav.scrolled {
  background: rgba(244, 241, 234, .82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding-block: 14px;
}
.site-nav.scrolled::after { transform: scaleX(1); }

/* przy otwartym menu nawigacja zostaje na wierzchu, bez tła */
body.menu-open .site-nav {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
body.menu-open .site-nav::after { transform: scaleX(0); }

.logo {
  display: inline-flex; align-items: center; gap: 24px;
  font-weight: 700; letter-spacing: .16em; font-size: 30px;
}
.logo-mark { position: relative; width: 30px; height: 30px; flex: none; }
.logo-mark::before, .logo-mark::after {
  content: ""; position: absolute; background: var(--accent);
  transition: transform .45s cubic-bezier(.6, 0, .2, 1);
}
.logo-mark::before { left: -8px; right: -8px; top: 50%; height: 3px; }
.logo-mark::after  { top: -8px; bottom: -8px; left: 50%; width: 3px; }
.logo:hover .logo-mark::before { transform: rotate(90deg); }
.logo:hover .logo-mark::after  { transform: rotate(90deg); }
.logo em { font-style: normal; color: var(--accent); }
/* znak graficzny MAT-BUD (wstrzykiwany przez JS) */
.logo-mark.has-svg { width: auto; height: 48px; }
.logo-mark.has-svg::before, .logo-mark.has-svg::after { content: none; }
.logo-mark.has-svg svg { height: 48px; width: auto; display: block; overflow: visible; transition: transform .45s cubic-bezier(.6,0,.2,1); }
.logo:hover .logo-mark.has-svg svg { transform: translateY(-2px) rotate(-2deg); }

.nav-links { display: flex; gap: clamp(1.4rem, 3vw, 2.8rem); }
.nav-link {
  position: relative; font-size: 14px; font-weight: 500;
  letter-spacing: .04em; padding-block: 4px;
}
.nav-link::after {
  content: ""; position: absolute; left: -6px; bottom: 0;
  width: calc(100% + 12px); height: 1px; background: var(--ink);
  transform: scaleX(0); transform-origin: left center;
  transition: transform .4s cubic-bezier(.6, 0, .2, 1);
}
.nav-link:hover::after { transform: scaleX(1); }
.nav-link.is-active { color: var(--accent); }
.nav-link.is-active::after { background: var(--accent); transform: scaleX(1); }

.nav-right { display: flex; align-items: center; gap: 1.6rem; }
.nav-cta { color: var(--ink); letter-spacing: .18em; position: relative; }
.nav-cta::after {
  content: ""; position: absolute; left: 0; bottom: -3px; width: 100%; height: 1px;
  background: var(--accent); transform: scaleX(0); transform-origin: left center;
  transition: transform .4s ease;
}
.nav-cta:hover::after { transform: scaleX(1); }

.burger {
  width: 40px; height: 30px; background: none; border: 0; cursor: pointer;
  position: relative; z-index: 130;
}
.burger span {
  position: absolute; left: 4px; right: 4px; height: 1.5px; background: var(--ink);
  transition: transform .45s cubic-bezier(.6, 0, .2, 1), top .45s ease, width .3s ease;
}
.burger span:nth-child(1) { top: 10px; }
.burger span:nth-child(2) { top: 19px; }
.burger:hover span:nth-child(1) { left: 0; }
.burger:hover span:nth-child(2) { right: 0; }
.burger.open span:nth-child(1) { top: 14px; transform: rotate(45deg); }
.burger.open span:nth-child(2) { top: 14px; transform: rotate(-45deg); }

/* ============================================================
   MENU PEŁNOEKRANOWE
   ============================================================ */

.menu-overlay {
  position: fixed; inset: 0; z-index: 120;
  background: var(--bg2);
  display: flex; flex-direction: column; justify-content: center;
  padding: 0 var(--pad);
  transform: translateY(-100%);
  visibility: hidden;
}
.menu-inner { max-width: 1100px; width: 100%; margin-inline: auto; }
.menu-link {
  position: relative;
  display: flex; align-items: baseline; gap: clamp(1rem, 4vw, 3rem);
  padding: clamp(.9rem, 2.4vh, 1.6rem) 0;
}
.menu-link::before {
  content: ""; position: absolute; top: 0; left: -32px; right: -32px;
  height: 1px; background: var(--hairline);
}
.menu-link:last-child::after {
  content: ""; position: absolute; bottom: 0; left: -32px; right: -32px;
  height: 1px; background: var(--hairline);
}
.menu-idx { color: var(--accent); }
.menu-word {
  font-size: clamp(2.4rem, 7.5vw, 5.2rem);
  font-weight: 700; text-transform: uppercase; line-height: 1;
  letter-spacing: -.02em;
  transition: transform .4s cubic-bezier(.6, 0, .2, 1), color .3s ease;
}
.menu-link:hover .menu-word { transform: translateX(16px); color: var(--accent); }
.menu-dim { margin-left: auto; color: var(--ink-dim); }
.menu-meta {
  position: absolute; bottom: 28px; left: var(--pad); right: var(--pad);
  display: flex; justify-content: space-between; color: var(--ink-dim);
}

/* ============================================================
   HERO
   ============================================================ */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  padding-top: 110px; padding-bottom: 60px;
  overflow: hidden;
}
.hero-guide {
  position: absolute; left: -5vw; right: -5vw; top: 24%;
  height: 1px; background: var(--ink); opacity: .09;
  transform: rotate(-.25deg);
}
.hero-grid {
  display: grid; grid-template-columns: 1.05fr .95fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center; width: 100%;
  position: relative; z-index: 2;
}

.hero-title {
  font-size: clamp(2.9rem, 7vw, 6.6rem);
  font-weight: 700; line-height: .97;
  letter-spacing: -.025em; text-transform: uppercase;
  margin-block: 1rem 2.2rem;
}
.ht-line { display: block; }

.hero-dim { max-width: 560px; margin-bottom: 2.4rem; }

.hero-lead { max-width: 46ch; color: var(--ink-dim); margin-bottom: 2.6rem; }

.hero-actions { display: flex; align-items: center; gap: 2.4rem; flex-wrap: wrap; }

/* ---------- przyciski i linki ---------- */

.btn {
  display: inline-block;
  padding: 1em 2.1em;
  font-weight: 500; font-size: 15px; letter-spacing: .04em;
  color: var(--ink);
  transition: color .35s ease;
}
.btn:hover { color: var(--accent); }
.btn:hover .fl { background: var(--accent); opacity: 1; }

.link-underline { position: relative; font-weight: 500; }
.link-underline::after {
  content: ""; position: absolute; left: -4px; bottom: -3px;
  width: calc(100% + 8px); height: 1px; background: var(--ink-dim);
  transition: background .3s ease, transform .4s ease;
  transform-origin: left center;
}
.link-underline:hover::after { background: var(--accent); transform: scaleX(1.12); }

/* ---------- wizual hero / WebGL ---------- */

.hero-visual { position: relative; }
#webgl-wrap {
  position: relative;
  height: clamp(340px, 66vh, 720px);
}
#webgl { width: 100%; height: 100%; display: block; }
#webgl-fallback { position: absolute; inset: 0; }

.webgl-caption {
  margin-top: 14px; color: var(--ink-dim); font-size: 10px;
  letter-spacing: .18em;
  padding-left: 26px; position: relative;
}
.webgl-caption::before {
  content: ""; position: absolute; left: -6px; top: 50%;
  width: 24px; height: 1px; background: var(--ink-dim);
}

.scroll-hint {
  position: absolute; left: calc(var(--pad) - 6px); bottom: 4vh;
  height: 130px; z-index: 3;
  color: var(--ink-dim);
}
.scroll-hint .dim-label { font-size: 9px; color: var(--ink-dim); }

/* ============================================================
   MARQUEE
   ============================================================ */

.marquee {
  position: relative; overflow: hidden;
  padding: 16px 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.marquee-track {
  display: inline-flex; align-items: center; gap: 2.6rem;
  width: max-content; white-space: nowrap;
  animation: marquee 32s linear infinite;
  color: var(--ink); font-size: 12px; letter-spacing: .22em;
}
.marquee-track i { color: var(--accent); font-style: normal; font-size: 10px; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================================
   O NAS
   ============================================================ */

.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}
.about-sketch { margin-top: clamp(2.5rem, 5vw, 4rem); max-width: 480px; }
.sketch-dim { margin-top: 1.2rem; }

.about-copy p { color: var(--ink-dim); max-width: 52ch; }
.about-copy p + p { margin-top: 1.4rem; }

.stats {
  margin-top: clamp(2.6rem, 5vw, 4.5rem);
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 2.6rem 2rem;
}
.stat { display: flex; flex-direction: column; gap: .55rem; }
.stat-num {
  font-size: clamp(2.1rem, 3.4vw, 3.1rem);
  font-weight: 700; line-height: 1; letter-spacing: -.02em;
  display: flex; align-items: baseline; gap: .18em;
}
.stat-num i { font-style: normal; color: var(--accent); font-size: .55em; font-weight: 500; }
.stat-tick { position: relative; width: 52px; height: 1px; background: var(--hairline); }
.stat-tick::after {
  content: ""; position: absolute; right: -4px; top: 50%;
  width: 11px; height: 1px; background: var(--accent);
  transform: translateY(-50%) rotate(-45deg);
}
.stat-label { color: var(--ink-dim); font-size: 10px; }

/* ============================================================
   KARTY OFERTY
   ============================================================ */

.cards-3 {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 3.5vw, 3.4rem);
}
.card {
  display: flex; flex-direction: column;
  padding: clamp(1.8rem, 2.6vw, 2.6rem) clamp(1.4rem, 2vw, 2rem);
  min-height: 300px;
}
.card-icon {
  width: 58px; height: 58px; margin-bottom: 1.8rem;
  stroke: var(--ink); stroke-width: 1.6; fill: none;
  stroke-linecap: square;
}
.card-icon .acc-stroke { stroke: var(--accent); }
.card h3 { font-size: 1.3rem; font-weight: 500; line-height: 1.25; margin-bottom: .8rem; }
.card p { font-size: .92rem; color: var(--ink-dim); }
.card-more {
  margin-top: auto; padding-top: 1.6rem;
  color: var(--ink-dim); transition: color .3s ease, letter-spacing .3s ease;
}
.card:hover .card-more { color: var(--accent); letter-spacing: .22em; }
.card:hover .fl-t { background: var(--accent); }

.sec-more { margin-top: clamp(3rem, 6vw, 5rem); text-align: right; }
.big-link {
  display: inline-block;
  font-size: clamp(1.8rem, 4.5vw, 3.6rem);
  font-weight: 700; text-transform: uppercase; letter-spacing: -.02em;
  position: relative; padding-bottom: .1em;
}
.big-link::before {
  content: "→"; color: var(--accent); margin-right: .35em;
  display: inline-block; transition: transform .4s cubic-bezier(.6,0,.2,1);
}
.big-link:hover::before { transform: translateX(.3em); }
.big-link::after {
  content: ""; position: absolute; left: -14px; right: -14px; bottom: 0;
  height: 1px; background: var(--hairline);
}

/* ============================================================
   REALIZACJE — pas poziomy + karty
   ============================================================ */

.about-sketch .sketch, .sketch { position: relative; }
.sketch svg { width: 100%; height: 100%; overflow: visible; }
.skt-main   { stroke: var(--ink); stroke-width: 1.3; opacity: .88; fill: none; stroke-linecap: square; }
.skt-guide  { stroke: var(--ink); stroke-width: 1; opacity: .16; fill: none; stroke-linecap: square; }
.skt-accent { stroke: var(--accent); stroke-width: 1.4; opacity: .95; fill: none; stroke-linecap: square; }

/* ============================================================
   AKORDEON (proces + oferta)
   ============================================================ */

.acc { position: relative; }
.acc::before {
  content: ""; position: absolute; top: 0; left: -22px; right: -22px;
  height: 1px; background: var(--hairline);
}
.acc-item { position: relative; }
.acc-item::after {
  content: ""; position: absolute; bottom: 0; left: -22px; right: -22px;
  height: 1px; background: var(--hairline);
}

.acc-head {
  width: 100%; background: none; border: 0; color: inherit; cursor: pointer;
  display: grid; grid-template-columns: auto 1fr auto auto;
  align-items: center; gap: clamp(1.2rem, 3vw, 2.6rem);
  padding: clamp(1.3rem, 2.6vw, 2rem) 0;
  text-align: left;
}
.acc-idx { color: var(--accent); }
.acc-title {
  font-size: clamp(1.3rem, 2.6vw, 2.1rem);
  font-weight: 500; letter-spacing: -.01em; line-height: 1.15;
  transition: transform .4s cubic-bezier(.6,0,.2,1);
}
.acc-head:hover .acc-title { transform: translateX(10px); }
.acc-tag { color: var(--ink-dim); font-size: 10px; }

/* plus z przeciągniętych linii */
.acc-plus { position: relative; width: 20px; height: 20px; flex: none; }
.acc-plus::before, .acc-plus::after {
  content: ""; position: absolute; background: var(--ink);
  transition: transform .45s cubic-bezier(.6,0,.2,1), background .3s ease;
}
.acc-plus::before { left: -4px; right: -4px; top: 50%; height: 1px; }
.acc-plus::after  { top: -4px; bottom: -4px; left: 50%; width: 1px; }
.acc-item.open .acc-plus::before { transform: rotate(135deg); background: var(--accent); }
.acc-item.open .acc-plus::after  { transform: rotate(135deg); background: var(--accent); }
.acc-item.open .acc-idx { color: var(--ink); }
.acc-item.open .acc-title { color: var(--accent); }

.acc-body { height: 0; overflow: hidden; }
.acc-inner { padding-bottom: clamp(1.8rem, 3vw, 2.6rem); max-width: 900px; }
.acc-inner p { color: var(--ink-dim); max-width: 58ch; }
.acc-inner p + p { margin-top: 1rem; }
.acc-meta { margin-top: 1.4rem; color: var(--accent); font-size: 10px; }

.acc-cols { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(1.6rem, 4vw, 4rem); }
.acc-list { list-style: none; display: flex; flex-direction: column; gap: .75rem; color: var(--ink-dim); font-size: 10px; }
.acc-list li { position: relative; padding-left: 22px; }
.acc-list li::before {
  content: ""; position: absolute; left: -2px; top: .55em;
  width: 15px; height: 1px; background: var(--accent);
}

/* ============================================================
   CTA / KONTAKT
   ============================================================ */

.cta { text-align: left; }
.cta-title {
  font-size: clamp(2.4rem, 6vw, 5.4rem);
  font-weight: 700; line-height: 1.02; letter-spacing: -.025em;
  text-transform: uppercase;
  margin-bottom: clamp(2rem, 4vw, 3.4rem);
}
.cta-actions { display: flex; align-items: center; gap: 2.6rem; flex-wrap: wrap; }

/* ============================================================
   STOPKA
   ============================================================ */

.footer { position: relative; padding-top: clamp(3.5rem, 6vw, 5.5rem); }
.footer::before {
  content: ""; position: absolute; top: 0; left: -30px; right: -30px;
  height: 1px; background: var(--hairline);
}
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}
.footer-col p { font-size: .92rem; color: var(--ink-dim); line-height: 1.9; }
.footer-note { margin-top: 1.2rem; font-size: 10px; letter-spacing: .18em; }
.footer-head { color: var(--ink); margin-bottom: .9rem; font-size: 10px; letter-spacing: .22em; }
.footer-bottom {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  padding-block: 1.4rem 2rem;
  border-top: 1px solid var(--hairline);
  color: var(--ink-dim); font-size: 9px;
}

/* ============================================================
   PODSTRONY
   ============================================================ */

.page-head {
  padding-top: clamp(150px, 24vh, 240px);
  padding-bottom: clamp(1rem, 3vw, 2rem);
  position: relative;
}
.page-title {
  font-size: clamp(3.2rem, 10vw, 8.5rem);
  font-weight: 700; line-height: .92; letter-spacing: -.03em;
  text-transform: uppercase;
  margin-bottom: 2.2rem;
}
.page-dim { max-width: 540px; margin-bottom: 2.2rem; }
.page-lead { max-width: 52ch; color: var(--ink-dim); }

/* ---------- filtry ---------- */

.filters { margin-top: clamp(2.2rem, 4vw, 3.2rem); display: flex; gap: .7rem; flex-wrap: wrap; }
.filter-btn {
  background: none; border: 1px solid var(--hairline);
  color: var(--ink-dim); cursor: pointer;
  padding: .6em 1.2em; letter-spacing: .16em;
  transition: color .3s ease, border-color .3s ease, background .3s ease;
}
.filter-btn:hover { border-color: var(--ink); color: var(--ink); }
.filter-btn.is-active { background: var(--ink); color: var(--bg); border-color: var(--ink); }

/* ---------- galeria realizacji (zdjęcia z gallery-api.php) ---------- */

.projects { padding-top: clamp(3rem, 6vw, 5rem); }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: clamp(1.2rem, 2.4vw, 2rem);
}
.gallery-item {
  position: relative; aspect-ratio: 4 / 3;
  border: 1px solid var(--hairline);
  background: var(--bg2);
  cursor: pointer; overflow: visible;
  padding: 0; text-align: left;
}
.gallery-item::before, .gallery-item::after {
  content: ""; position: absolute; width: 20px; height: 20px;
  pointer-events: none; z-index: 2;
  background:
    linear-gradient(var(--ink-dim), var(--ink-dim)) center / 100% 1px no-repeat,
    linear-gradient(var(--ink-dim), var(--ink-dim)) center / 1px 100% no-repeat;
  opacity: .6;
}
.gallery-item::before { top: -10px; left: -10px; }
.gallery-item::after  { bottom: -10px; right: -10px; }
.gallery-item img {
  position: absolute; inset: 5%; width: 90%; height: 90%;
  object-fit: cover;
  filter: grayscale(.38) contrast(1.03);
  transition: filter .5s cubic-bezier(.6,0,.2,1);
}
.gallery-item:hover img, .gallery-item:focus-visible img { filter: none; }
.gallery-cat {
  position: absolute; left: 5%; bottom: 5%; z-index: 2;
  margin: 8px; padding: .35em .7em;
  background: var(--bg); border: 1px solid var(--hairline);
  font-family: var(--font-mono); font-size: 9px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--ink-dim);
}
.gallery-empty { color: var(--ink-dim); padding-block: 3rem; }

/* lightbox */
.pub-lightbox {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(244, 241, 234, .96);
  display: flex; align-items: center; justify-content: center;
}
.pub-lightbox[hidden] { display: none; }
.pub-lightbox img {
  width: 100vw; height: 100vh;
  max-width: min(88vw, 1300px); max-height: 84vh;
  object-fit: contain;
}
.pub-lightbox-close, .pub-lightbox-nav {
  position: absolute; z-index: 2;
  background: var(--bg); border: 1px solid var(--hairline);
  color: var(--ink); cursor: pointer;
  width: 48px; height: 48px; font-size: 24px; line-height: 1;
  transition: color .25s ease, border-color .25s ease;
}
.pub-lightbox-close:hover, .pub-lightbox-nav:hover:not(:disabled) { color: var(--accent); border-color: var(--accent); }
.pub-lightbox-nav:disabled { opacity: .25; cursor: default; }
.pub-lightbox-close { top: 20px; right: 20px; }
.pub-lightbox-nav.prev { left: 20px; top: 50%; transform: translateY(-50%); }
.pub-lightbox-nav.next { right: 20px; top: 50%; transform: translateY(-50%); }
.pub-lightbox-count {
  position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .2em;
  color: var(--ink-dim);
}

/* ---------- dropdown „Usługi" w nawigacji ---------- */

.nav-drop { position: relative; }
.nav-drop-toggle {
  background: none; border: 0; cursor: pointer;
  display: inline-flex; align-items: center; gap: 7px;
  font: inherit; color: inherit; padding: 0;
}
.nav-drop-toggle .chev {
  width: 8px; height: 8px; flex: none;
  border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform .3s cubic-bezier(.6,0,.2,1);
}
.nav-drop.open .nav-drop-toggle .chev { transform: rotate(225deg) translateY(-2px); }
.nav-drop-panel {
  position: absolute; top: calc(100% + 14px); left: -22px;
  min-width: 270px;
  background: var(--bg);
  border: 1px solid var(--hairline);
  padding: .6rem 0;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity .3s ease, transform .3s cubic-bezier(.6,0,.2,1), visibility 0s .3s;
}
/* przeciągnięte narożniki panelu */
.nav-drop-panel::before, .nav-drop-panel::after {
  content: ""; position: absolute; width: 18px; height: 18px; pointer-events: none;
  background:
    linear-gradient(var(--ink-dim), var(--ink-dim)) center / 100% 1px no-repeat,
    linear-gradient(var(--ink-dim), var(--ink-dim)) center / 1px 100% no-repeat;
  opacity: .55;
}
.nav-drop-panel::before { top: -9px; left: -9px; }
.nav-drop-panel::after  { bottom: -9px; right: -9px; }
.nav-drop.open .nav-drop-panel {
  opacity: 1; visibility: visible; transform: translateY(0);
  transition: opacity .3s ease, transform .3s cubic-bezier(.6,0,.2,1), visibility 0s 0s;
}
.nav-drop-panel a {
  display: block; padding: .55rem 1.4rem;
  font-size: 13px; color: var(--ink-dim);
  transition: color .25s ease, transform .25s ease;
}
.nav-drop-panel a:hover, .nav-drop-panel a.is-active { color: var(--accent); transform: translateX(4px); }

/* grupa usług w menu overlay (mobile) */
.menu-services {
  display: flex; flex-direction: column; gap: .1rem;
  padding: .6rem 0 .9rem 56px;
  border-bottom: 1px solid var(--hairline);
}
.menu-services a {
  font-size: clamp(1rem, 2.4vw, 1.25rem);
  color: var(--ink-dim); padding: .28em 0;
  transition: color .25s ease, transform .25s ease;
}
.menu-services a:hover { color: var(--accent); transform: translateX(6px); }

/* ---------- podstrony usług ---------- */

.svc-cols {
  display: grid; grid-template-columns: 1.25fr 1fr;
  gap: clamp(2.2rem, 5vw, 5rem);
  align-items: start;
}
.svc-cols h3, .svc-h3 {
  font-size: clamp(1.25rem, 2.4vw, 1.7rem); font-weight: 500;
  margin-bottom: 1.2rem;
}
.svc-cols p { color: var(--ink-dim); max-width: 58ch; }
.svc-cols p + p { margin-top: 1rem; }
.svc-cols .acc-list { margin-top: .4rem; }
.svc-cols .acc-list li { font-size: 11px; line-height: 1.7; }
.svc-cols .acc-list b { color: var(--ink); font-weight: 500; }

/* etapy (technologia lekka-mokra) */
.step-list { counter-reset: step; margin-top: 1.4rem; }
.step {
  display: grid; grid-template-columns: 64px 1fr;
  gap: 1.6rem; padding: 1.5rem 0;
  border-top: 1px solid var(--hairline);
}
.step:last-child { border-bottom: 1px solid var(--hairline); }
.step-num {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em;
  color: var(--accent); padding-top: .3em;
}
.step h4 { font-size: 1.05rem; font-weight: 500; margin-bottom: .5rem; }
.step p { color: var(--ink-dim); font-size: .95rem; max-width: 62ch; }

/* karty rodzajów tynków */
.tynk-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 1.4rem; margin-top: 1.6rem;
}
.tynk-card { border: 1px solid var(--hairline); padding: 1.4rem 1.3rem; position: relative; }
.tynk-card::before {
  content: ""; position: absolute; top: -1px; left: -8px; width: 30px; height: 1px;
  background: var(--accent);
}
.tynk-card h4 { font-size: 1rem; font-weight: 500; margin-bottom: .55rem; }
.tynk-card p { color: var(--ink-dim); font-size: .88rem; }

/* wyróżnienie */
.highlight-box {
  position: relative; margin-top: clamp(2.2rem, 4vw, 3.2rem);
  border: 1px solid var(--hairline);
  padding: clamp(1.6rem, 3vw, 2.4rem);
}
.highlight-box::before {
  content: ""; position: absolute; top: -1px; left: -14px; width: 46px; height: 1px;
  background: var(--accent);
}
.highlight-box::after {
  content: ""; position: absolute; bottom: -1px; right: -14px; width: 46px; height: 1px;
  background: var(--accent);
}
.highlight-box p { color: var(--ink-dim); max-width: 70ch; }
.highlight-box b { color: var(--ink); font-weight: 500; }

.svc-cta { margin-top: clamp(2.6rem, 5vw, 4rem); }

/* ---------- kontakt ---------- */

.contact-grid {
  display: grid; grid-template-columns: 1fr 1.15fr;
  gap: clamp(2.6rem, 6vw, 6rem);
  align-items: start;
}
.info-item { border-top: 1px solid var(--hairline); padding: 1.15rem 0 1.3rem; }
.info-label {
  font-family: var(--font-mono); font-size: 9px; letter-spacing: .22em;
  text-transform: uppercase; color: var(--ink-dim);
  position: relative; padding-left: 22px; display: inline-block;
  margin-bottom: .5rem;
}
.info-label::before {
  content: ""; position: absolute; left: -2px; top: .55em;
  width: 15px; height: 1px; background: var(--accent);
}
.info-value { font-size: clamp(1.05rem, 2vw, 1.3rem); font-weight: 500; }
.info-value a { transition: color .25s ease; }
.info-value a:hover { color: var(--accent); }
.info-sub { color: var(--ink-dim); font-size: .85rem; margin-top: .3rem; }
.area-tags { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: 1rem; }
.area-tags span {
  border: 1px solid var(--hairline); padding: .4rem .75rem;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .1em;
  color: var(--ink-dim);
}

/* formularz */
.form-wrapper { border: 1px solid var(--hairline); padding: clamp(1.6rem, 3.5vw, 2.8rem); position: relative; }
.form-wrapper::before, .form-wrapper::after {
  content: ""; position: absolute; width: 20px; height: 20px; pointer-events: none;
  background:
    linear-gradient(var(--ink-dim), var(--ink-dim)) center / 100% 1px no-repeat,
    linear-gradient(var(--ink-dim), var(--ink-dim)) center / 1px 100% no-repeat;
  opacity: .6;
}
.form-wrapper::before { top: -10px; left: -10px; }
.form-wrapper::after  { bottom: -10px; right: -10px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; }
.form-group { margin-bottom: 1.4rem; }
.form-group label {
  display: block; margin-bottom: .55rem;
  font-family: var(--font-mono); font-size: 9px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--ink-dim);
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%; background: transparent;
  border: 1px solid var(--hairline);
  padding: .85rem 1rem;
  font-family: var(--font-main); font-size: 16px; color: var(--ink);
  transition: border-color .3s ease;
  border-radius: 0; appearance: none; -webkit-appearance: none;
}
.form-group textarea { min-height: 130px; resize: vertical; }
.form-group select {
  background-image: linear-gradient(45deg, transparent 49%, var(--ink-dim) 50%), linear-gradient(135deg, var(--ink-dim) 50%, transparent 51%);
  background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%;
  background-size: 6px 6px; background-repeat: no-repeat;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--accent);
}
.form-note { color: var(--ink-dim); font-size: .8rem; margin-top: 1.1rem; }
.form-status { margin-top: 1rem; font-family: var(--font-mono); font-size: 10px; letter-spacing: .12em; color: var(--accent); min-height: 1em; }

/* ============================================================
   RESPONSYWNOŚĆ
   ============================================================ */

@media (max-width: 1024px) {
  .nav-links { display: none; }
  .hero-grid { grid-template-columns: 1fr; }
  #webgl-wrap { height: clamp(300px, 45vh, 480px); }
  .about-grid { grid-template-columns: 1fr; }
  .cards-3 { grid-template-columns: 1fr; }
  .card { min-height: 0; }
  .acc-tag { display: none; }
  .svc-cols { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .scroll-hint { display: none; }
  .page-guides i:nth-child(1), .page-guides i:nth-child(3) { display: none; }
  .stats { grid-template-columns: 1fr; }
  .acc-cols { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .step { grid-template-columns: 44px 1fr; gap: 1rem; }
  .hero-actions { gap: 1.6rem; }
  .menu-dim { display: none; }
  .menu-services { padding-left: 40px; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.8rem; }
  .cta-actions { gap: 1.6rem; }
  .nav-cta { display: none; }
  .pub-lightbox-nav.prev { left: 8px; }
  .pub-lightbox-nav.next { right: 8px; }
  .pub-lightbox img { max-width: 94vw; }
}

/* ============================================================
   DOSTĘPNOŚĆ / REDUKCJA RUCHU
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  .preloader { display: none; }
  .marquee-track { animation: none; }
  *, *::before, *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}

/* ---------- pas partnerów ---------- */
.partners { margin-top: clamp(3rem, 6vw, 5rem); }
.partners .sec-label { margin-bottom: 1.4rem; }
.partner-tags { display: flex; flex-wrap: wrap; gap: .7rem; }
.partner-tags span {
  border: 1px solid var(--hairline); padding: .5rem .9rem;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em;
  color: var(--ink-dim); transition: color .3s ease, border-color .3s ease;
}
.partner-tags span:hover { color: var(--ink); border-color: var(--ink); }
.partners-area { margin-top: 1.6rem; color: var(--ink-dim); font-size: .9rem; max-width: 70ch; }