/* =====================================================================
   STUDIOFINISH — ARCHITECTURAL SURFACES
   Design system — editorial / architectural / monochromatic
   ===================================================================== */

/* ---------- Fonts (self-hosted — no third-party CDN) ---------- */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 300 600;
  font-display: swap;
  src: url("../fonts/inter-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2190-21FF,
    U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 300 600;
  font-display: swap;
  src: url("../fonts/inter-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
    U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
}

body {
  font-family: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: var(--off-white);
  color: var(--black);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv05", "cv11";
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
ul { list-style: none; }

/* ---------- Tokens ---------- */
:root {
  --white:        #ffffff;
  --off-white:    #f3f1ec;
  --off-white-2:  #eeece6;
  --paper:        #f7f5f1;
  --black:        #0b0b0b;
  --charcoal:     #191919;
  --charcoal-2:   #232320;
  --concrete:     #8d8880;
  --concrete-lt:  #c7c2b8;
  --line:         rgba(11,11,11,.14);
  --line-dark:    rgba(255,255,255,.16);

  --maxw: 1680px;
  --gutter: clamp(20px, 5vw, 90px);
  --section-y: clamp(90px, 14vw, 220px);

  --ease: cubic-bezier(.22, 1, .36, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);

  --label: .68rem;
}

/* ---------- Type ---------- */
.display {
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -.022em;
  text-transform: uppercase;
}
h1.display { line-height: .98; }
h1.display { font-size: clamp(2.9rem, 9.5vw, 9.5rem); }
h2.display { font-size: clamp(2.3rem, 6.4vw, 6.2rem); }
h3.display { font-size: clamp(1.7rem, 3.6vw, 3.4rem); }

.serif-off { font-weight: 300; }

.label {
  display: inline-block;
  font-size: var(--label);
  letter-spacing: .24em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--concrete);
}
.label--dark { color: rgba(255,255,255,.55); }

.lead {
  font-size: clamp(1rem, 1.35vw, 1.28rem);
  line-height: 1.55;
  font-weight: 400;
  max-width: 46ch;
  color: rgba(11,11,11,.72);
}
.lead--dark { color: rgba(255,255,255,.66); }

.body-sm { font-size: .92rem; color: rgba(11,11,11,.6); line-height: 1.6; }
.body-sm--dark { color: rgba(255,255,255,.62); }
.text-link { color: inherit; border-bottom: 1px solid currentColor; padding-bottom: 1px; transition: opacity .3s var(--ease); }
.text-link:hover { opacity: .65; }

/* ---------- Layout ---------- */
.wrap {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: var(--section-y); position: relative; }
.section--tight { padding-block: clamp(60px, 8vw, 120px); }
.section--dark { background: var(--charcoal); color: var(--white); }
.section--black { background: var(--black); color: var(--white); }
.section--white { background: var(--white); }
.section--paper { background: var(--paper); }

.grid12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gutter);
}

.divider { height: 1px; background: var(--line); border: 0; }
.section--dark .divider,
.section--black .divider { background: var(--line-dark); }

/* ---------- Buttons ---------- */
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

.btn {
  --bd: var(--black);
  --fg: var(--black);
  display: inline-flex;
  align-items: center;
  gap: .9em;
  padding: 1.05em 1.6em;
  font-size: .74rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--fg);
  border: 1px solid var(--bd);
  background: transparent;
  transition: background .5s var(--ease), color .5s var(--ease), border-color .5s var(--ease);
}
.btn .arrow { transition: transform .5s var(--ease); }
.btn:hover { background: var(--black); color: var(--white); border-color: var(--black); }
.btn:hover .arrow { transform: translateX(6px); }

.btn--solid { background: var(--black); color: var(--white); }
.btn--solid:hover { background: transparent; color: var(--black); }

.btn--light { --bd: rgba(255,255,255,.5); --fg: #fff; }
.btn--light:hover { background: var(--white); color: var(--black); border-color: var(--white); }

.btn--solid-light { background: var(--white); color: var(--black); border-color: var(--white); }
.btn--solid-light:hover { background: transparent; color: var(--white); }

.link-arw {
  display: inline-flex;
  align-items: center;
  gap: .7em;
  font-size: .74rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  font-weight: 500;
  padding-bottom: 4px;
  border-bottom: 1px solid currentColor;
}
.link-arw .arrow { transition: transform .5s var(--ease); }
.link-arw:hover .arrow { transform: translateX(6px); }

/* ---------- Header ---------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding-block: 22px;
  color: var(--white);
  transition: background .55s var(--ease), color .55s var(--ease), padding .55s var(--ease), border-color .55s var(--ease);
  border-bottom: 1px solid transparent;
}
.header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.header.is-solid {
  background: var(--off-white);
  color: var(--black);
  padding-block: 15px;
  border-bottom: 1px solid var(--line);
}
.header.is-light { color: var(--black); }

.logo { line-height: 1; letter-spacing: .01em; }
.logo b { font-weight: 300; font-size: 1.12rem; text-transform: uppercase; letter-spacing: .12em; }
.logo b span { font-weight: 600; }
.logo small {
  display: block;
  font-size: .5rem;
  letter-spacing: .34em;
  margin-top: 5px;
  opacity: .6;
  text-transform: uppercase;
}

.nav { display: flex; align-items: center; gap: clamp(18px, 2vw, 34px); }
.nav a {
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-weight: 500;
  position: relative;
  padding-block: 6px;
  opacity: .85;
  transition: opacity .35s var(--ease);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .45s var(--ease);
}
.nav a:hover { opacity: 1; }
.nav a:hover::after,
.nav a.active::after { transform: scaleX(1); }

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: .75em;
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  font-weight: 600;
  border: 1px solid currentColor;
  padding: .85em 1.3em;
  transition: background .5s var(--ease), color .5s var(--ease);
}
.header.is-solid .header-cta:hover,
.header.is-light .header-cta:hover { background: var(--black); color: var(--off-white); }
.header-cta:hover { background: var(--white); color: var(--black); }

.burger { display: none; width: 30px; height: 14px; position: relative; }
.burger span {
  position: absolute; left: 0; width: 100%; height: 1.5px;
  background: currentColor; transition: transform .45s var(--ease), opacity .3s;
}
.burger span:nth-child(1) { top: 0; }
.burger span:nth-child(2) { bottom: 0; }
body.menu-open .burger span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
body.menu-open .burger span:nth-child(2) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Mobile menu ---------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--off-white);
  color: var(--black);
  padding: 120px var(--gutter) 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow-y: auto;
  visibility: hidden;
  transform: translateY(-100%);
  transition: transform .7s var(--ease), visibility .7s;
}
body.menu-open .mobile-menu { transform: translateY(0); visibility: visible; }
.mobile-menu nav { display: flex; flex-direction: column; gap: 6px; }
.mobile-menu nav a {
  font-size: clamp(1.8rem, 8vw, 3rem);
  text-transform: uppercase;
  font-weight: 500;
  letter-spacing: -.01em;
  padding-block: 8px;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.mobile-menu nav a i { font-size: .6rem; letter-spacing: .2em; font-style: normal; color: var(--concrete); }
.mobile-menu .mm-foot { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; flex-wrap: wrap; }

/* ---------- Hero ---------- */
.hero {
  height: 100svh;
  min-height: 620px;
  position: relative;
  display: flex;
  align-items: flex-end;
  color: var(--white);
  overflow: hidden;
}
.hero__media {
  position: absolute;
  inset: 0;
  z-index: -1;
}
.hero__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 30% 30%;
  transform: scale(1.06);
  animation: heroZoom 14s var(--ease-out) forwards;
}
@keyframes heroZoom { to { transform: scale(1); } }
.hero__media::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(0,0,0,.30) 0%, rgba(0,0,0,.06) 34%, rgba(0,0,0,.72) 100%),
    linear-gradient(90deg, rgba(0,0,0,.30) 0%, rgba(0,0,0,0) 55%);
}
.hero__inner { padding-bottom: clamp(48px, 8vw, 110px); width: 100%; }
.hero__label { margin-bottom: clamp(20px, 4vw, 40px); color: rgba(255,255,255,.72); }
.hero h1 { margin-bottom: clamp(24px, 3vw, 40px); }
.hero .lead { color: rgba(255,255,255,.8); margin-bottom: clamp(30px, 4vw, 46px); }

.scroll-ind {
  position: absolute;
  left: var(--gutter);
  bottom: clamp(20px, 3vw, 34px);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .58rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: rgba(255,255,255,.6);
}
.scroll-ind .bar { width: 46px; height: 1px; background: rgba(255,255,255,.4); position: relative; overflow: hidden; }
.scroll-ind .bar::after {
  content: ""; position: absolute; inset: 0;
  background: #fff; transform: translateX(-100%);
  animation: scrollBar 2.4s var(--ease) infinite;
}
@keyframes scrollBar { 50% { transform: translateX(0); } 100% { transform: translateX(100%); } }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity 1s var(--ease-out), transform 1s var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .08s; }
.reveal-d2 { transition-delay: .16s; }
.reveal-d3 { transition-delay: .24s; }

.img-reveal { position: relative; overflow: hidden; }
.img-reveal img { transform: scale(1.12); transition: transform 1.6s var(--ease-out); }
.img-reveal.is-visible img { transform: scale(1); }
.img-reveal::after {
  content: ""; position: absolute; inset: 0;
  background: var(--off-white);
  transform: translateY(0);
  transition: transform 1.2s var(--ease);
}
.section--dark .img-reveal::after,
.section--black .img-reveal::after { background: var(--charcoal); }
.img-reveal.is-visible::after { transform: translateY(-101%); }

/* ---------- Intro / philosophy ---------- */
.philosophy h2 { margin-bottom: clamp(30px, 4vw, 52px); grid-column: 1 / -1; max-width: 30ch; text-wrap: balance; }
.philosophy .lead { grid-column: 8 / -1; }

/* ---------- Surface categories ---------- */
.cats { display: flex; flex-direction: column; }
.cat {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gutter);
  align-items: center;
  padding-block: clamp(28px, 4vw, 40px);
  border-top: 1px solid var(--line);
}
.cats .cat:last-child { border-bottom: 1px solid var(--line); }
.cat__media { grid-column: 1 / 7; overflow: hidden; aspect-ratio: 16 / 10; }
.cat__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.4s var(--ease-out); }
.cat:hover .cat__media img { transform: scale(1.05); }
.cat__body { grid-column: 8 / -1; }
.cat--rev .cat__media { grid-column: 7 / -1; order: 2; }
.cat--rev .cat__body { grid-column: 1 / 6; }
.cat__num { font-size: clamp(2.2rem, 4vw, 3.6rem); font-weight: 300; color: var(--concrete-lt); line-height: 1; }
.cat__body h3 { margin: 18px 0 14px; }
.cat__body p { max-width: 34ch; margin-bottom: 22px; color: rgba(11,11,11,.6); font-size: .95rem; }

/* ---------- Editorial index list ---------- */
.idx { border-top: 1px solid var(--line); }
.section--dark .idx { border-color: var(--line-dark); }
.idx__row {
  display: grid;
  grid-template-columns: 5rem 1fr auto;
  align-items: center;
  gap: 20px;
  padding-block: clamp(18px, 2.4vw, 30px);
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: padding-left .5s var(--ease), color .4s var(--ease);
}
.section--dark .idx__row { border-color: var(--line-dark); }
.idx__row:hover { padding-left: 18px; }
.idx__num { font-size: .7rem; letter-spacing: .2em; color: var(--concrete); }
.idx__name { font-size: clamp(1.3rem, 3.2vw, 2.6rem); font-weight: 400; text-transform: uppercase; letter-spacing: -.01em; }
.idx__row .arrow { opacity: 0; transform: translateX(-8px); transition: all .5s var(--ease); }
.idx__row:hover .arrow { opacity: 1; transform: translateX(0); }
.idx__peek {
  position: fixed;
  top: 0; left: 0;
  width: 340px; height: 240px;
  object-fit: cover;
  pointer-events: none;
  opacity: 0;
  z-index: 50;
  transform: translate(-50%, -50%) scale(.9);
  transition: opacity .4s var(--ease), transform .4s var(--ease);
}
.idx__peek.show { opacity: 1; transform: translate(-50%, -50%) scale(1); }

/* ---------- Section heading block ---------- */
.sec-head { display: grid; grid-template-columns: repeat(12, 1fr); column-gap: var(--gutter); align-items: end; margin-bottom: clamp(40px, 6vw, 90px); }
.sec-head__label { grid-column: 1 / -1; margin-bottom: 22px; }
.sec-head h2 { grid-column: 1 / 9; }
.sec-head__aside { grid-column: 9 / -1; align-self: end; }

/* ---------- Exterior split ---------- */
.exsplit { display: grid; grid-template-columns: repeat(12, 1fr); column-gap: var(--gutter); row-gap: 50px; align-items: center; }
.exsplit__media { grid-column: 1 / 8; aspect-ratio: 4 / 3; overflow: hidden; }
.exsplit__media img { width: 100%; height: 100%; object-fit: cover; }
.exsplit__body { grid-column: 9 / -1; }
.exsplit__body h2 { margin-bottom: 26px; }
.exsplit__list { margin-top: 34px; border-top: 1px solid var(--line-dark); }
.exsplit__list li { padding-block: 15px; border-bottom: 1px solid var(--line-dark); font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.72); display: flex; gap: 16px; }
.exsplit__list li span { color: rgba(255,255,255,.4); }

/* ---------- Projects portfolio ---------- */
.projects { display: flex; flex-direction: column; gap: clamp(70px, 10vw, 150px); }
.project { cursor: pointer; }
.project__meta { display: grid; grid-template-columns: repeat(12, 1fr); column-gap: var(--gutter); align-items: baseline; margin-bottom: 26px; }
.project__idx { grid-column: 1 / 2; font-size: clamp(1.4rem, 2vw, 2rem); font-weight: 300; color: var(--concrete); }
.project__title { grid-column: 2 / 8; font-size: clamp(1.3rem, 3vw, 2.4rem); font-weight: 400; text-transform: uppercase; letter-spacing: -.01em; }
.project__spec { grid-column: 9 / -1; align-self: end; }
.project__spec span { display: block; font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; color: var(--concrete); }
.project__media { overflow: hidden; aspect-ratio: 16 / 9; }
.project__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.6s var(--ease-out); }
.project:hover .project__media img { transform: scale(1.035); }

/* ---------- Custom cursor ---------- */
.cursor-tag {
  position: fixed;
  top: 0; left: 0;
  z-index: 200;
  padding: 10px 16px;
  background: var(--black);
  color: var(--white);
  font-size: .58rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(.6);
  opacity: 0;
  transition: opacity .35s var(--ease), transform .35s var(--ease);
  white-space: nowrap;
}
.cursor-tag.show { opacity: 1; transform: translate(-50%, -50%) scale(1); }

/* ---------- Material detail ---------- */
.matdetail { position: relative; }
.matdetail__media { position: absolute; inset: 0; z-index: -1; }
.matdetail__media img { width: 100%; height: 100%; object-fit: cover; }
.matdetail__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.72), rgba(0,0,0,.15)); }
.matdetail { color: var(--white); }
.matdetail h2 { margin: 26px 0; max-width: 14ch; }
.matdetail .lead { color: rgba(255,255,255,.72); }

/* ---------- Process timeline ---------- */
.timeline { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px; background: var(--line-dark); border: 1px solid var(--line-dark); }
.tl-step { background: var(--charcoal); padding: 32px 24px 36px; display: flex; flex-direction: column; gap: 14px; min-height: 230px; transition: background .5s var(--ease); }
.tl-step:hover { background: var(--charcoal-2); }
.tl-step__num { font-size: .7rem; letter-spacing: .2em; color: var(--concrete); }
.tl-step h4 { font-size: 1rem; text-transform: uppercase; letter-spacing: .04em; font-weight: 500; }
.tl-step p { font-size: .82rem; color: rgba(255,255,255,.55); line-height: 1.55; margin-top: auto; }

/* ---------- Surface library ---------- */
.samples { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--gutter); }
.sample { cursor: pointer; }
.sample__chip { aspect-ratio: 3 / 4; overflow: hidden; margin-bottom: 16px; background: var(--concrete-lt); }
.sample__chip img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.4s var(--ease-out); }
.sample:hover .sample__chip img { transform: scale(1.06); }
.sample__code { font-size: .64rem; letter-spacing: .2em; color: var(--concrete); }
.sample__name { font-size: .92rem; text-transform: uppercase; letter-spacing: .06em; margin-top: 4px; font-weight: 500; }

/* ---------- Modal ---------- */
.modal {
  position: fixed; inset: 0; z-index: 300;
  display: grid; place-items: center;
  padding: var(--gutter);
  background: rgba(10,10,10,.55);
  backdrop-filter: blur(2px);
  opacity: 0; pointer-events: none;
  transition: opacity .5s var(--ease);
}
.modal.open { opacity: 1; pointer-events: auto; }
.modal__panel {
  background: var(--off-white);
  color: var(--black);
  max-width: 920px; width: 100%;
  max-height: 88vh; overflow-y: auto;
  display: grid; grid-template-columns: 1fr 1fr;
  transform: translateY(24px);
  transition: transform .6s var(--ease);
}
.modal.open .modal__panel { transform: none; }
.modal__media { background: var(--concrete-lt); }
.modal__media img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.modal__body { padding: clamp(30px, 4vw, 54px); }
.modal__body h3 { margin: 8px 0 24px; }
.modal__spec { border-top: 1px solid var(--line); }
.modal__spec div { display: flex; justify-content: space-between; gap: 20px; padding: 13px 0; border-bottom: 1px solid var(--line); font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; }
.modal__spec div span:first-child { color: var(--concrete); }
.modal__close { position: absolute; top: 24px; right: 24px; color: var(--white); font-size: .64rem; letter-spacing: .2em; text-transform: uppercase; display: flex; align-items: center; gap: 8px; }

/* ---------- Architects ---------- */
.arch-block h2 { margin: 26px 0 30px; }
.arch-serv { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 50px; }
.arch-serv div { background: var(--off-white); padding: 30px 24px; font-size: .78rem; letter-spacing: .16em; text-transform: uppercase; font-weight: 500; }
.arch-serv div span { display: block; color: var(--concrete); font-size: .64rem; margin-bottom: 10px; }

/* ---------- About ---------- */
.about { display: grid; grid-template-columns: repeat(12, 1fr); column-gap: var(--gutter); row-gap: 44px; align-items: center; }
.about__media { grid-column: 1 / 6; aspect-ratio: 3 / 4; overflow: hidden; }
.about__media img { width: 100%; height: 100%; object-fit: cover; }
.about__body { grid-column: 7 / -1; }
.about__body h2 { margin: 24px 0 28px; }
.about--solo .about__body { grid-column: 1 / 10; }

/* ---------- Final CTA ---------- */
.finalcta { text-align: left; }
.finalcta h2 { margin-bottom: clamp(36px, 5vw, 60px); max-width: 18ch; }

/* ---------- Footer ---------- */
.footer { background: var(--black); color: var(--white); padding-block: clamp(70px, 9vw, 130px) 40px; }
.footer__top { display: grid; grid-template-columns: repeat(12, 1fr); column-gap: var(--gutter); row-gap: 50px; }
.footer__brand { grid-column: 1 / 5; }
.footer__brand .logo b { color: #fff; }
.footer__nav { grid-column: 6 / 9; }
.footer__contact { grid-column: 9 / -1; }
.footer h5 { font-size: .62rem; letter-spacing: .24em; text-transform: uppercase; color: rgba(255,255,255,.4); margin-bottom: 22px; }
.footer__nav a, .footer__contact a, .footer__contact p { display: block; font-size: .86rem; padding-block: 7px; color: rgba(255,255,255,.72); transition: color .3s; }
.footer__nav a:hover, .footer__contact a:hover { color: #fff; }
.footer__bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin-top: clamp(60px, 8vw, 110px); padding-top: 26px; border-top: 1px solid var(--line-dark); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.4); }

/* ---------- Page hero (subpages) ---------- */
.page-hero {
  min-height: 74svh;
  display: flex;
  align-items: flex-end;
  color: var(--white);
  position: relative;
  overflow: hidden;
  padding-bottom: clamp(40px, 6vw, 80px);
}
.page-hero__media { position: absolute; inset: 0; z-index: -1; }
.page-hero__media img { width: 100%; height: 100%; object-fit: cover; }
.page-hero__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.35), rgba(0,0,0,.2) 40%, rgba(0,0,0,.6)); }
.page-hero__label { margin-bottom: 24px; color: rgba(255,255,255,.7); }
.page-hero h1 { max-width: 20ch; }
.page-hero .lead { color: rgba(255,255,255,.78); margin-top: 26px; }

.crumb { font-size: .64rem; letter-spacing: .2em; text-transform: uppercase; color: var(--concrete); margin-bottom: 40px; display: flex; gap: 10px; }

/* ---------- Material spec list (povrchy) ---------- */
.mat { display: grid; grid-template-columns: repeat(12, 1fr); column-gap: var(--gutter); row-gap: 40px; align-items: center; padding-block: clamp(50px, 7vw, 100px); border-bottom: 1px solid var(--line); }
.mat__media { grid-column: 1 / 7; aspect-ratio: 4 / 5; overflow: hidden; }
.mat--rev .mat__media { grid-column: 7 / -1; order: 2; }
.mat__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.4s var(--ease-out); }
.mat:hover .mat__media img { transform: scale(1.04); }
.mat__body { grid-column: 8 / -1; }
.mat--rev .mat__body { grid-column: 1 / 6; }
.mat__code { font-size: .7rem; letter-spacing: .24em; color: var(--concrete); }
.mat__body h2 { margin: 14px 0 30px; }
.mat__spec { border-top: 1px solid var(--line); max-width: 420px; }
.mat__spec div { display: flex; justify-content: space-between; gap: 24px; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: .76rem; letter-spacing: .12em; text-transform: uppercase; }
.mat__spec div span:first-child { color: var(--concrete); }

/* ---------- Full bleed image ---------- */
.fullbleed { width: 100%; }
.fullbleed img { width: 100%; height: clamp(340px, 62vw, 760px); object-fit: cover; }
.fullbleed--tall img { height: clamp(420px, 82vw, 900px); }

/* ---------- Two-up gallery ---------- */
.twoup { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gutter); }
.twoup .cell { aspect-ratio: 4 / 5; overflow: hidden; }
.twoup .cell img { width: 100%; height: 100%; object-fit: cover; }
.twoup--offset .cell:nth-child(2) { margin-top: clamp(40px, 8vw, 120px); }

/* ---------- Editorial section blocks (interior/exterior pages) ---------- */
.eblock { display: grid; grid-template-columns: repeat(12, 1fr); column-gap: var(--gutter); row-gap: 34px; padding-block: clamp(60px, 8vw, 120px); border-top: 1px solid var(--line); align-items: center; }
.eblock__label { grid-column: 1 / 3; }
.eblock__head { grid-column: 3 / 8; }
.eblock__head h3 { margin-bottom: 18px; }
.eblock__head p { max-width: 42ch; color: rgba(11,11,11,.6); font-size: .95rem; }
.eblock__media { grid-column: 8 / -1; aspect-ratio: 3 / 2; overflow: hidden; }
.eblock__media img { width: 100%; height: 100%; object-fit: cover; }
.section--dark .eblock { border-color: var(--line-dark); }
.section--dark .eblock__head p { color: rgba(255,255,255,.6); }

/* ---------- Project case study meta ---------- */
.case-meta { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gutter); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding-block: 40px; }
.case-meta div span { display: block; font-size: .64rem; letter-spacing: .2em; text-transform: uppercase; color: var(--concrete); margin-bottom: 10px; }
.case-meta div p { font-size: .95rem; text-transform: uppercase; letter-spacing: .02em; }

/* ---------- Realizace grid ---------- */
.rgrid { display: grid; grid-template-columns: repeat(12, 1fr); column-gap: var(--gutter); row-gap: clamp(50px, 8vw, 110px); }
.rcard { cursor: pointer; }
.rcard:nth-child(odd) { grid-column: 1 / 8; }
.rcard:nth-child(even) { grid-column: 6 / -1; margin-top: clamp(40px, 10vw, 160px); }
.rcard__media { aspect-ratio: 4 / 3; overflow: hidden; margin-bottom: 20px; }
.rcard__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.5s var(--ease-out); }
.rcard:hover .rcard__media img { transform: scale(1.04); }
.rcard__idx { font-size: .7rem; letter-spacing: .2em; color: var(--concrete); }
.rcard h3 { font-size: clamp(1.2rem, 2.4vw, 1.9rem); text-transform: uppercase; font-weight: 400; margin: 8px 0 6px; }
.rcard p { font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; color: var(--concrete); }

/* ---------- Form ---------- */
.form { display: grid; grid-template-columns: repeat(12, 1fr); column-gap: var(--gutter); row-gap: 40px; }
.form__aside { grid-column: 1 / 4; }
.form__main { grid-column: 5 / -1; }
.field { margin-bottom: 34px; }
.field label { display: block; font-size: .64rem; letter-spacing: .2em; text-transform: uppercase; color: var(--concrete); margin-bottom: 12px; }
.field input[type=text],
.field input[type=email],
.field input[type=tel],
.field textarea,
.field select {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
  font: inherit;
  font-size: 1rem;
  color: var(--black);
  transition: border-color .4s var(--ease);
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--black); }
.field textarea { resize: vertical; min-height: 120px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  display: inline-flex; align-items: center;
  padding: .7em 1.1em;
  border: 1px solid var(--line);
  font-size: .7rem; letter-spacing: .14em; text-transform: uppercase;
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s;
  user-select: none;
}
.chip input { position: absolute; opacity: 0; }
.chip.is-on { background: var(--black); color: var(--white); border-color: var(--black); }
.radio-row { display: flex; gap: 8px; flex-wrap: wrap; }
.filebox { border: 1px dashed var(--line); padding: 26px; text-align: center; font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--concrete); }
.form__ok { padding: 20px 0; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--black); border-top: 1px solid var(--black); display: none; }
.form__ok.show { display: block; }
.form__err { padding: 20px 0; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: #7a1f1f; border-top: 1px solid #7a1f1f; display: none; }
.form__err.show { display: block; }

/* anti-spam honeypot — visually removed, still in the a11y tree off-screen */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Contact detail ---------- */
.contact-info { display: grid; grid-template-columns: repeat(12, 1fr); column-gap: var(--gutter); row-gap: 40px; border-top: 1px solid var(--line); padding-top: 50px; }
.contact-info > div { grid-column: span 3; }
.contact-info h5 { font-size: .62rem; letter-spacing: .22em; text-transform: uppercase; color: var(--concrete); margin-bottom: 16px; }
.contact-info p, .contact-info a { font-size: .92rem; line-height: 1.7; color: rgba(11,11,11,.72); }

/* ---------- Sticky mobile CTA ---------- */
.mcta {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 90;
  display: none;
  padding: 14px var(--gutter);
  background: var(--black);
  color: var(--white);
  align-items: center;
  justify-content: space-between;
  transform: translateY(100%);
  transition: transform .6s var(--ease);
}
.mcta.show { transform: translateY(0); }
.mcta span { font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; }
.mcta a { font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; font-weight: 600; display: flex; gap: 8px; align-items: center; }

/* ---------- Photography treatment (color, light editorial polish) ---------- */
.hero__media img,
.page-hero__media img,
.cat__media img,
.eblock__media img,
.project__media img,
.exsplit__media img,
.matdetail__media img,
.about__media img,
.mat__media img,
.rcard__media img,
.twoup .cell img,
.modal__media img,
.fullbleed img,
.section--dark .img-reveal img,
.sample__chip img { filter: contrast(1.02) saturate(1.02); }

/* ---------- Technologie — systémy ---------- */
.tech-sys { display: grid; grid-template-columns: repeat(12, 1fr); column-gap: var(--gutter); row-gap: 36px; padding-block: clamp(60px, 8vw, 120px); border-top: 1px solid var(--line); align-items: start; }
.tech-sys__label { grid-column: 1 / 3; }
.tech-sys__head { grid-column: 3 / 8; }
.tech-sys__head h3 { margin-bottom: 18px; }
.tech-sys__head p { max-width: 44ch; color: rgba(11,11,11,.62); font-size: .95rem; }
.tech-sys__media { grid-column: 8 / -1; aspect-ratio: 4 / 3; overflow: hidden; }
.tech-sys__media img { width: 100%; height: 100%; object-fit: cover; filter: contrast(1.02) saturate(1.02); }
.tech-sys__media--duo { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.tech-sys__spec { grid-column: 3 / -1; margin-top: 8px; border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border-left: 1px solid var(--line); }
.tech-sys__spec div { background: var(--paper); padding: 16px 18px; }
.tech-sys__spec span { display: block; font-size: .6rem; letter-spacing: .2em; text-transform: uppercase; color: var(--concrete); margin-bottom: 7px; }
.tech-sys__spec p { font-size: .82rem; letter-spacing: .02em; }

/* ---------- Technologie — vrstvy / skladba ---------- */
.layers { border-top: 1px solid var(--line-dark); }
.layers__row { display: grid; grid-template-columns: 4rem 12rem 1fr; gap: 24px; align-items: baseline; padding-block: 22px; border-bottom: 1px solid var(--line-dark); }
.layers__row span { font-size: .7rem; letter-spacing: .2em; color: var(--concrete); }
.layers__row h4 { font-size: 1rem; text-transform: uppercase; letter-spacing: .04em; font-weight: 500; }
.layers__row p { font-size: .86rem; color: rgba(255,255,255,.58); max-width: 60ch; }

/* ---------- Technologie — parametry (tabulka) ---------- */
.spectable { width: 100%; overflow-x: auto; }
.spectable table { width: 100%; border-collapse: collapse; min-width: 640px; }
.spectable th, .spectable td { text-align: left; padding: 16px 18px 16px 0; border-bottom: 1px solid var(--line); font-size: .82rem; letter-spacing: .02em; vertical-align: top; }
.spectable thead th { font-size: .6rem; letter-spacing: .2em; text-transform: uppercase; color: var(--concrete); font-weight: 500; border-bottom: 1px solid var(--black); }
.spectable tbody th { font-weight: 500; text-transform: uppercase; letter-spacing: .04em; white-space: nowrap; }
.spectable tbody tr:hover td, .spectable tbody tr:hover th { background: var(--paper); }

/* =====================================================================
   RESPONSIVE
   ===================================================================== */
@media (max-width: 1080px) {
  .samples { grid-template-columns: repeat(3, 1fr); }
  .timeline { grid-template-columns: repeat(3, 1fr); }
  .arch-serv { grid-template-columns: repeat(2, 1fr); }
  .footer__brand { grid-column: 1 / 7; }
  .footer__nav { grid-column: 1 / 5; }
  .footer__contact { grid-column: 7 / -1; }
}

@media (max-width: 860px) {
  .nav, .header-cta { display: none; }
  .burger { display: block; }

  .philosophy h2, .philosophy .lead { grid-column: 1 / -1; }

  .cat { grid-template-columns: 1fr; row-gap: 22px; }
  .cat__media, .cat--rev .cat__media { grid-column: 1 / -1; order: 0; }
  .cat__body, .cat--rev .cat__body { grid-column: 1 / -1; }

  .sec-head h2, .sec-head__aside { grid-column: 1 / -1; }
  .sec-head__aside { margin-top: 24px; }

  .exsplit__media, .exsplit__body { grid-column: 1 / -1; }

  .project__meta { grid-template-columns: 1fr; row-gap: 6px; }
  .project__idx, .project__title, .project__spec { grid-column: 1 / -1; }
  .project__spec { margin-top: 10px; }

  .matdetail__media::after { background: rgba(0,0,0,.55); }

  .about__media, .about__body, .about--solo .about__body { grid-column: 1 / -1; }
  .about__media { aspect-ratio: 4 / 3; }

  .modal__panel { grid-template-columns: 1fr; }
  .modal__media img { min-height: 220px; }

  .mat, .mat--rev { grid-template-columns: 1fr; }
  .mat__media, .mat--rev .mat__media { grid-column: 1 / -1; order: 0; aspect-ratio: 4 / 3; }
  .mat__body, .mat--rev .mat__body { grid-column: 1 / -1; }

  .tech-sys { grid-template-columns: 1fr; }
  .tech-sys__label, .tech-sys__head, .tech-sys__media, .tech-sys__spec { grid-column: 1 / -1; }
  .tech-sys__spec { grid-template-columns: 1fr; }
  .layers__row { grid-template-columns: 3rem 1fr; row-gap: 6px; }
  .layers__row p { grid-column: 1 / -1; }

  .eblock { grid-template-columns: 1fr; }
  .eblock__label, .eblock__head, .eblock__media { grid-column: 1 / -1; }

  .rcard:nth-child(odd), .rcard:nth-child(even) { grid-column: 1 / -1; margin-top: 0; }

  .twoup { grid-template-columns: 1fr; }
  .twoup--offset .cell:nth-child(2) { margin-top: 0; }

  .case-meta { grid-template-columns: repeat(2, 1fr); row-gap: 30px; }

  .form__aside, .form__main { grid-column: 1 / -1; }
  .form__main .grid12 { display: block; }
  .form__main .grid12 .field { width: 100%; }
  .grid12 > [style*="grid-column"] { grid-column: 1 / -1 !important; }

  .contact-info > div { grid-column: span 6; }

  .footer__top { grid-template-columns: 1fr; }
  .footer__brand, .footer__nav, .footer__contact { grid-column: 1 / -1; }

  .idx__peek { display: none; }
  .cursor-tag { display: none; }

  .mcta { display: flex; }
  body { padding-bottom: 0; }
}

@media (max-width: 560px) {
  .samples { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: 1fr; }
  .arch-serv { grid-template-columns: 1fr; }
  .contact-info > div { grid-column: 1 / -1; }
  .btn { width: 100%; justify-content: space-between; }
  .hero { min-height: 560px; }
}