/* ============================================================
   K.UL Design — style.css
   ============================================================ */

@font-face {
  font-family: 'Open Sans';
  src: url('../fonts/OpenSans-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Open Sans';
  src: url('../fonts/OpenSans-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Open Sans';
  src: url('../fonts/OpenSans-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Open Sans';
  src: url('../fonts/OpenSans-ExtraBold.woff2') format('woff2');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

/* --- Visually hidden (screen readers & SEO only) ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Skip link — hidden until focused -------------------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--pad-x);
  z-index: 200;
  background: var(--blue);
  color: #fff;
  padding: 0.5rem 1rem;
  font-weight: 600;
  font-size: var(--text-sm);
  border-radius: 0 0 var(--radius) var(--radius);
  text-decoration: none;
}
.skip-link:focus {
  top: 0;
}

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

:root {
  --blue:  #0049ff;
  --grey:  #575756;
  --gold:  #e1cc5a;
  --pink:  #dd8593;
  --teal:  #00adb1;

  --font: 'Open Sans', sans-serif;

  --pad-x:   clamp(1.25rem, 4.5vw, 5.25rem);
  --max-w:   1280px;

  --text-hero: clamp(2.25rem, 6.5vw, 5rem);
  --text-lg:   clamp(1.25rem, 2.34vw, 1.875rem);
  --text-md:   clamp(1rem, 1.5625vw, 1.25rem);
  --text-sm:   1rem;
  --text-xs:   0.875rem;

  --radius: 10px;
  --transition: 0.25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--grey);
  background: #fff;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
}

/* --- Layout ----------------------------------------------- */
.container {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

/* --- Section heading pattern ------------------------------ */
.section-label {
  padding-top: clamp(2.5rem, 5vw, 4rem);
  padding-bottom: clamp(0.5rem, 1vw, 0.75rem);
}

.section-heading {
  font-size: var(--text-hero);
  font-weight: 800;
  line-height: 1.3;
  color: var(--grey);
  letter-spacing: -0.01em;
}

/* --- Reveal animation ------------------------------------- */
/* Scoped to .js so content is visible when JS is disabled or unavailable */
.js .reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.5s ease, transform 0.5s ease; }
.js .reveal.revealed { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1; transform: none; } }

/* ============================================================
   HEADER
   ============================================================ */
.site-header .container {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding-top: 30px;
  padding-bottom: 60px;
  background: #fff;
}

.site-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.site-logo img {
  width: 215px;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.site-nav a {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--grey);
  transition: opacity var(--transition);
}

.site-nav a:hover,
.site-nav a:focus-visible { opacity: 0.65; }

.site-nav a[aria-current="page"] {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.lang-switch {
  font-weight: 600;
  border: 1.5px solid var(--grey);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  transition: background var(--transition), color var(--transition);
}

.lang-switch:hover,
.lang-switch:focus-visible {
  background: var(--grey);
  color: #fff;
  opacity: 1;
}

/* Portfolio page – blue header */
.site-header--blue .container {
  background: var(--blue);
  box-shadow: none;
}

.site-header--blue .site-nav a { color: #fff; }
.site-header--blue .lang-switch { border-color: rgba(255,255,255,0.6); color: #fff; }
.site-header--blue .lang-switch:hover,
.site-header--blue .lang-switch:focus-visible { background: rgba(255,255,255,0.15); color: #fff; }

/* Mobile nav toggle — not used (nav always visible per design) */
.nav-toggle { display: none; }

/* ============================================================
   STUDIO SECTION
   ============================================================ */
.studio { }

.studio-body {
  background: var(--blue);
  padding: clamp(1.5rem, 3vw, 2.5rem) 0;
  max-width: var(--max-w);
  margin: 0 auto;
}

.studio-body h2 {
  font-size: clamp(1.25rem, 1.875vw, 1.5rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 1rem;
  line-height: 1.5;
}

.studio-body p {
  font-size: var(--text-md);
  color: #fff;
  line-height: 1.5;
  max-width: 56rem;
}

.studio-body p + p {
  margin-top: 1.6rem;
}

.studio-body p.studio-services {
  max-width: none;
  margin-top: 2rem;
  font-weight: 700;
}

.studio-services span {
  opacity: 0.5;
  margin: 0 0.35em;
}

/* ============================================================
   PORTFOLIO PREVIEW (HOME)
   ============================================================ */
.portfolio-preview { }

.portfolio-preview-body {
  background: var(--grey);
  padding-top: clamp(2rem, 4vw, 4rem);
  padding-bottom: clamp(2rem, 4vw, 4rem);
  max-width: var(--max-w);
  margin: 0 auto;
}

.portfolio-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: var(--max-w);
  margin: 0 auto;
}

.portfolio-image-item {
  position: relative;
  overflow: hidden;
}

.portfolio-image-item img {
  width: 100%;
  aspect-ratio: 635 / 494;
  object-fit: cover;
  opacity: 0.5;
  transition: opacity var(--transition);
}

.portfolio-image-item:hover img,
.portfolio-image-item:focus-within img { opacity: 0.65; }

.portfolio-image-item figcaption {
  position: absolute;
  bottom: clamp(1rem, 2vw, 1.5rem);
  right: clamp(1rem, 2vw, 1.5rem);
  color: #fff;
  font-size: clamp(1rem, 2vw, 2rem);
  font-weight: 800;
  text-align: right;
  text-shadow: 0 4px 4px rgba(0,0,0,0.35);
  line-height: 1.2;
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--transition);
}

.portfolio-strip-wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 200px 0 26px;
}

/* Link wrapper */
.portfolio-strip-link {
  display: block;
  text-decoration: none;
}

/* Blue strip — overflow visible so arrow can stick out top+bottom */
.portfolio-strip {
  display: flex;
  align-items: center;
  width: 100%;
  background: var(--blue);
  border-radius: 10px;
  overflow: visible;
  height: 130px;
  position: relative;
}

/* Scrollable images — own clip context for rounded left corners */
.portfolio-strip-images {
  display: flex;
  align-items: stretch;
  gap: 15px;
  flex: 1;
  min-width: 0;
  height: 130px;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  padding: 0 15px;
  /* clip left corners to match strip border-radius */
  border-radius: 10px 0 0 10px;
}

.portfolio-strip-images::-webkit-scrollbar { display: none; }

.portfolio-strip-images > img {
  width: 139px;
  height: 130px;
  object-fit: cover;
  flex-shrink: 0;
  display: block;
  filter: grayscale(100%);
}

/* Arrow inside strip — overflows 7px above and below (144px vs 130px strip) */
.portfolio-strip-arrow {
  flex-shrink: 0;
  position: relative;
  width: 192px;
  height: 144px;         /* 7px taller than strip on each side */
  margin-right: 29px;    /* right padding within strip */
  display: flex;
  align-items: center;
  justify-content: center;
}

.portfolio-strip-arrow .arrow-color,
.portfolio-strip-arrow .arrow-white {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: opacity var(--transition);
}

.portfolio-strip-arrow .arrow-white { opacity: 0; }

.portfolio-strip-link:hover .arrow-color,
.portfolio-strip-link:focus-visible .arrow-color { opacity: 0; }
.portfolio-strip-link:hover .arrow-white,
.portfolio-strip-link:focus-visible .arrow-white { opacity: 1; }

/* ---- Mobile: 3×2 grid layout ---- */
@media (max-width: 767px) {
  .portfolio-strip-wrap {
    max-width: calc(var(--max-w) * 0.85);
    padding: 0 var(--pad-x);
  }

  .portfolio-strip {
    height: auto;
    align-items: stretch;
  }

  .portfolio-strip-images {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: 93px 93px;
    gap: 10px;
    padding: 0 40px 0 14px;
    overflow: visible;
    height: auto;
    border-radius: 10px;
    flex: 1;
  }

  /* Row 1: 2 images only (col 3 = arrow) */
  .portfolio-strip-images > img:nth-child(1) { grid-column: 1; grid-row: 1; }
  .portfolio-strip-images > img:nth-child(2) { grid-column: 2; grid-row: 1; }
  /* Row 2: all 3 */
  .portfolio-strip-images > img:nth-child(3) { grid-column: 1; grid-row: 2; }
  .portfolio-strip-images > img:nth-child(4) { grid-column: 2; grid-row: 2; }
  .portfolio-strip-images > img:nth-child(5) { grid-column: 3; grid-row: 2; }

  .portfolio-strip-images > img {
    width: 100%;
    height: 93px;
  }

  /* Arrow: top-right cell, matches Figma node 51:3206 */
  .portfolio-strip-arrow {
    position: absolute;
    top: -11px;
    right: 22px;
    width: 127px;
    height: 95px;
    margin-right: 0;
  }
}

/* ============================================================
   PORTFOLIO CTA
   ============================================================ */
.portfolio-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.portfolio-cta-text {
  flex: 1;
}

.portfolio-cta-heading {
  font-size: clamp(1.375rem, 2.34vw, 1.875rem);
  font-weight: 800;
  color: var(--blue);
  line-height: 1.55;
  margin-bottom: 0;
}

.portfolio-cta-sub {
  font-size: clamp(1rem, 1.875vw, 1.5rem);
  font-weight: 600;
  color: var(--blue);
  line-height: 1.55;
}

.portfolio-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--blue);
  color: #fff;
  font-size: 1.25rem;
  font-weight: 700;
  padding: 0 2rem;
  height: 59px;
  min-width: 320px;
  border-radius: var(--radius);
  flex-shrink: 0;
  transition: opacity var(--transition);
  text-decoration: none;
}

.portfolio-cta-btn:hover {
  opacity: 0.85;
}

@media (max-width: 767px) {
  .portfolio-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .portfolio-cta-btn {
    min-width: auto;
    width: 100%;
  }
}

/* ============================================================
   PROCESS STEPS
   ============================================================ */
.process { }

.process-body {
  background: var(--grey);
  padding: clamp(2rem, 4vw, 3.5rem) 0;
  max-width: var(--max-w);
  margin: 0 auto;
}

.process-steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: repeat(4, auto);
  grid-auto-flow: column;
  gap: 2.25rem 4rem;
}

.process-step {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.process-step-icon {
  width: 100px;
  height: 84px;
  flex-shrink: 0;
}

.process-step-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.process-step-text h3 {
  font-size: var(--text-md);
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.4rem;
  line-height: 1.3;
}

.process-step-text p {
  font-size: var(--text-md);
  color: rgba(255,255,255,0.88);
  line-height: 1.3;
}

/* ============================================================
   REFERENCES
   ============================================================ */
.references { }

.references-body {
  background: var(--blue);
  padding: clamp(2rem, 4vw, 3rem) 0 clamp(2rem, 4vw, 3rem);
  max-width: var(--max-w);
  margin: 0 auto;
}

.testimonial-logo-wrap {
  height: 52px;
  display: flex;
  align-items: center;
  margin-bottom: 1.25rem;
}

.testimonial-logo-wrap img {
  max-height: 52px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

/* Carousel */
.carousel {
  position: relative;
  overflow: hidden;
  padding: 0 var(--pad-x);
  max-width: var(--max-w);
  margin: 0 auto;
}

.carousel-track {
  display: flex;
  transition: transform 0.4s ease;
  align-items: flex-start;
}

.carousel-slide {
  flex-shrink: 0;
  box-sizing: border-box;
  padding-right: clamp(1rem, 2vw, 2rem);
}

.testimonial-text {
  font-size: var(--text-sm);
  font-weight: 400;
  color: rgba(255,255,255,0.9);
  line-height: 1.3;
  margin-bottom: 1rem;
}

.testimonial-author {
  font-size: var(--text-sm);
  font-weight: 600;
  color: #fff;
}

.carousel-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem var(--pad-x) 0;
  max-width: var(--max-w);
  margin: 0 auto;
}

.carousel-btn {
  background: none;
  border: 2px solid rgba(255,255,255,0.45);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: border-color var(--transition);
}

.carousel-btn:hover,
.carousel-btn:focus-visible { border-color: #fff; }
.carousel-btn:disabled { opacity: 0.35; cursor: default; }

.carousel-btn svg {
  width: 20px;
  height: 20px;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about { }

.about-body {
  background: var(--grey);
  padding: clamp(2.5rem, 5vw, 4rem) 0;
  max-width: var(--max-w);
  margin: 0 auto;
}

.about-intro {
  margin-block-end: 3rem;
}

.about-intro h3 {
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--gold);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.about-intro p {
  font-size: var(--text-md);
  font-weight: 600;
  color: #fff;
  line-height: 1.55;
  max-width: 38rem;
}

.about-katka {
  display: grid;
  grid-template-columns: 1fr clamp(260px, 28vw, 360px);
  gap: 60px;
  align-items: start;
  margin-bottom: clamp(2.5rem, 4vw, 4rem);
}

.about-katka .about-photo { order: 2; margin-top: -80px; }
.about-katka .about-bio   { order: 1; }

.about-martin {
  display: grid;
  grid-template-columns: clamp(260px, 28vw, 360px) minmax(0, 420px);
  gap: clamp(1.5rem, 4vw, 60px);
  align-items: start;
}

.about-icons-wrap {
  background: linear-gradient(to bottom, var(--grey) 50%, #fff 50%);
}

.about-contact-icons {
  display: flex;
  flex-direction: row;
  gap: 1rem;
  justify-content: center;
  padding: 0 var(--pad-x);
  max-width: var(--max-w);
  margin: 0 auto;
}

@media (min-width: 1200px) {
  .about-icons-wrap {
    background: transparent;
    margin-top: -54px;
    margin-bottom: -54px;
    position: relative;
    z-index: 2;
  }

  .about-contact-icons {
    justify-content: flex-end;
  }
}

.about-contact-icons a {
  display: block;
  transition: opacity var(--transition), transform var(--transition);
}

.about-contact-icons a:hover,
.about-contact-icons a:focus-visible {
  opacity: 0.85;
  transform: translateY(-2px);
}

.about-contact-icons img {
  filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.25));
}

.about-bio {
  font-size: var(--text-md);
  color: rgba(255,255,255,0.9);
  line-height: 1.55;
}

.about-bio strong { font-weight: 800; }
.about-bio strong.name-katka { color: var(--pink); }
.about-bio strong.name-martin { color: var(--teal); }

.about-photo {
  width: 100%;
  max-width: 341px;
  height: auto;
}

.about-photo img {
  width: 100%;
  aspect-ratio: 341 / 284;
  object-fit: cover;
}

/* ============================================================
   ABOUT CTA
   ============================================================ */
.about-cta {
  padding-top: clamp(1.5rem, 3vw, 2.5rem);
  padding-bottom: clamp(2rem, 4vw, 3.5rem);
}

.about-cta-heading {
  font-size: clamp(1.375rem, 2.34vw, 1.875rem);
  font-weight: 800;
  color: var(--blue);
  line-height: 1.55;
  margin-bottom: 0;
}

.about-cta-sub {
  font-size: clamp(1rem, 1.875vw, 1.5rem);
  font-weight: 600;
  color: var(--blue);
  line-height: 1.55;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--blue);
  padding: clamp(2.5rem, 5vw, 4rem) 0;
  max-width: var(--max-w);
  margin: 0 auto;
}

.footer-inner {
  display: flex;
  align-items: flex-start;
}

.footer-logo a {
  display: inline-block;
  transition: opacity var(--transition), transform var(--transition);
}

.footer-logo a:hover,
.footer-logo a:focus-visible {
  transform: translateY(-2px);
}

.footer-logo img {
  height: 109px;
  width: auto;
}

.footer-logo {
  flex-shrink: 0;
}

.footer-contact {
  flex-shrink: 0;
  margin-left: clamp(2rem, 26vw, 21rem);
  min-width: 317px;
}

.footer-social {
  flex-shrink: 0;
  margin-left: clamp(1.5rem, 4.5vw, 3.5rem);
}

.footer-contact h4,
.footer-social h4 {
  font-weight: 700;
  color: #fff;
  font-size: var(--text-sm);
  margin-bottom: 0;
  line-height: 1.3;
}

.footer-contact address {
  font-style: normal;
  color: #fff;
  font-size: var(--text-sm);
  line-height: 1.3;
}

.footer-contact a { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.footer-contact a:hover,
.footer-contact a:focus-visible { opacity: 0.8; }

.footer-social a {
  display: block;
  color: #fff;
  font-size: var(--text-sm);
  line-height: 1.3;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-social a:hover,
.footer-social a:focus-visible { opacity: 0.75; }

/* ============================================================
   PORTFOLIO PAGE — HERO
   ============================================================ */
.portfolio-hero {
  background: var(--blue);
  padding: clamp(2rem, 4vw, 3.5rem) 0 clamp(1.5rem, 3vw, 2.5rem);
  padding-bottom: 25px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.portfolio-hero h1 {
  font-size: clamp(3.5rem, 12vw, 10rem);
  font-weight: 800;
  color: #fff;
  line-height: 1;
  letter-spacing: -0.02em;
  user-select: none;
}

/* ============================================================
   CASE STUDIES
   ============================================================ */
.case-study {
  background: var(--grey);
  max-width: var(--max-w);
  margin: 0 auto;
}

.portfolio-hero + .case-study {
  margin-top: 25px;
}

.case-study + .case-study {
  margin-top: 25px;
}

.case-study + .portfolio-showcase-section {
  margin-top: 25px;
}

.case-study-images {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: var(--max-w);
  margin: 0 auto;
}

.case-study-images img {
  width: 100%;
  aspect-ratio: 427 / 353;
  object-fit: cover;
  display: block;
}

.case-study-text {
  padding: clamp(1.25rem, 2.5vw, 2rem);
  padding-bottom: 4.5rem;
  background: transparent;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  grid-column: span 2;
  position: relative;
  align-self: start;
  aspect-ratio: 854 / 353;
}

.case-study-text:has(.case-study-body.is-open) {
  overflow: visible;
  aspect-ratio: auto;
}

.case-study-client {
  position: absolute;
  bottom: clamp(1.25rem, 2.5vw, 2rem);
  right: clamp(1.25rem, 2.5vw, 2rem);
  display: block;
  font-size: clamp(1rem, 2vw, 1.5rem);
  font-weight: 800;
  color: #fff;
  text-align: right;
  letter-spacing: 0.03em;
}

.case-study-text--full {
  grid-column: 1 / -1;
  aspect-ratio: 1281 / 353;
  align-self: start;
}

.case-study-text--full:has(.case-study-body.is-open) {
  aspect-ratio: auto;
}

.case-study-text h2 {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 1rem;
  line-height: 1.4;
  padding-right: 2.5rem;
}

.case-study-text p {
  font-size: 1rem;
  color: rgba(255,255,255,0.88);
  line-height: 1.65;
}

.case-study-text p + p {
  margin-top: 1rem;
}

.case-study-body {
  overflow: hidden;
}

.case-study-toggle {
  display: block;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity var(--transition);
  position: absolute;
  top: clamp(1rem, 3vw, 1.5rem);
  right: clamp(1.25rem, 4vw, 2rem);
  width: 23px;
  height: 48px;
  flex-shrink: 0;
}

.case-study-toggle:hover,
.case-study-toggle:focus-visible { opacity: 1; }

.case-study-toggle img {
  display: block;
  width: 23px;
  height: 48px;
  transition: transform var(--transition);
}

.case-study-toggle[aria-expanded="true"] img {
  transform: rotate(180deg);
}

@media (max-width: 767px) {
  .case-study-text {
    aspect-ratio: auto;
    align-self: stretch;
  }

  .case-study-text--full {
    aspect-ratio: auto;
    align-self: stretch;
  }

  .case-study-body {
    overflow: hidden;
    transition: max-height 0.4s ease;
  }

  .case-study-body:not(.is-open) {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
    overflow: hidden;
  }

  .case-study-body.is-open {
    display: block;
  }
}

/* Portfolio showcase + grid white background */
.portfolio-showcase-section {
  background: #f5f5f5;
  max-width: var(--max-w);
  margin: 0 auto 25px;
}

/* ============================================================
   PORTFOLIO GRID (BIG ITEMS)
   ============================================================ */
.portfolio-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: var(--max-w);
  margin: 0 auto;
}

.portfolio-showcase-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.portfolio-showcase-item img {
  width: 100%;
  aspect-ratio: 635 / 494;
  object-fit: cover;
  display: block;
  transition: transform var(--transition);
}

.portfolio-showcase-item:hover img,
.portfolio-showcase-item:focus-within img { transform: scale(1.02); }

.portfolio-showcase-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(217,217,217,0.42);
  backdrop-filter: blur(4px);
  padding: 0.75rem 1.25rem;
  font-weight: 700;
  font-size: var(--text-xs);
  color: var(--grey);
  line-height: 1.3;
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--transition), transform var(--transition);
}

.portfolio-showcase-item:hover .portfolio-showcase-caption,
.portfolio-showcase-item:focus-within .portfolio-showcase-caption {
  opacity: 1;
  transform: translateY(0);
}

@media (hover: hover) and (pointer: fine) and (min-width: 1200px) {
  .portfolio-showcase-caption {
    opacity: 0;
    transform: translateY(4px);
  }

  .portfolio-showcase-item:hover .portfolio-showcase-caption,
  .portfolio-showcase-item:focus-within .portfolio-showcase-caption {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
   PORTFOLIO SMALL GRID
   ============================================================ */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: var(--max-w);
  margin: 0 auto;
}

.portfolio-grid-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.portfolio-grid-item img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
  transition: transform var(--transition);
}

.portfolio-grid-item:hover img,
.portfolio-grid-item:focus-within img { transform: scale(1.04); }

.portfolio-grid-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(217,217,217,0.42);
  backdrop-filter: blur(4px);
  padding: 0.6rem 0.875rem;
  font-size: var(--text-xs);
  line-height: 1.3;
  color: var(--grey);
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--transition), transform var(--transition);
}

.portfolio-grid-item:hover .portfolio-grid-caption,
.portfolio-grid-item:focus-within .portfolio-grid-caption {
  opacity: 1;
  transform: translateY(0);
}

@media (hover: hover) and (pointer: fine) and (min-width: 1200px) {
  .portfolio-grid-caption {
    opacity: 0;
    transform: translateY(4px);
  }

  .portfolio-grid-item:hover .portfolio-grid-caption,
  .portfolio-grid-item:focus-within .portfolio-grid-caption {
    opacity: 1;
    transform: translateY(0);
  }
}

.portfolio-grid-caption strong {
  font-weight: 700;
}

.portfolio-grid-caption.caption-white {
  color: #fff;
  background: rgba(0,0,0,0.42);
}

.portfolio-grid-caption.caption-white strong {
  color: #fff;
}

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.92);
  align-items: center;
  justify-content: center;
}

.lightbox.is-open { display: flex; }

.lightbox-img {
  max-width: 88vw;
  max-height: 82vh;
  object-fit: contain;
  border-radius: 2px;
}

.lightbox-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.75rem;
  line-height: 1;
  padding: 0.5rem;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.lightbox-close:hover,
.lightbox-close:focus-visible { opacity: 1; }

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: 2px solid rgba(255,255,255,0.4);
  border-radius: 50%;
  width: 52px;
  height: 52px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition);
}

.lightbox-prev { left: 1.25rem; }
.lightbox-next { right: 1.25rem; }
.lightbox-prev:hover, .lightbox-next:hover,
.lightbox-prev:focus-visible, .lightbox-next:focus-visible { border-color: #fff; }
.lightbox-prev:disabled, .lightbox-next:disabled { opacity: 0.3; cursor: default; }

.lightbox-prev svg, .lightbox-next svg { width: 20px; height: 20px; }

.lightbox-caption {
  position: absolute;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.75);
  font-size: var(--text-xs);
  text-align: center;
  max-width: 80vw;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Od 768px má barevné logo (215px) ~40.7px neviditelné bílé bubliny vlevo
   (18.9 % šířky); posun srovná viditelný glyf s levým okrajem nadpisů/textů.
   Jen na bílém headeru (homepage) — NE na modré variantě portfolia s bílým logem.
   Přesah bublinky vlevo je neviditelný (bílá na bílém) a nevytváří scroll. */
@media (min-width: 768px) {
  .site-header:not(.site-header--blue) .site-logo { margin-left: -40.72px; }
}

/* ============================================================
   MOBILE NAV — always visible, no hamburger
   ============================================================ */
@media (max-width: 767px) {
  .site-header .container { height: 90px; }

  .site-nav { gap: 1rem; }

  .site-nav a { font-size: var(--text-xs); }

  .lang-switch { padding: 0.15rem 0.45rem; font-size: 0.75rem; }

  .site-logo img { width: 100px; height: auto; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1200px) {
  .about-martin { grid-template-columns: clamp(260px, 34vw, 360px) 370px; }
}

@media (max-width: 767px) {
  .portfolio-images { grid-template-columns: 1fr; }

  .process-steps { grid-template-columns: 1fr; grid-template-rows: none; grid-auto-flow: row; gap: 1.75rem; }

  /* carousel-slide width handled by JS */

  .about-katka { grid-template-columns: 1fr; }
  .about-katka .about-photo { order: 1; margin-top: 0; }
  .about-katka .about-bio   { order: 2; }

  .about-martin { grid-template-columns: 1fr; }

  .about-photo { width: 100%; max-width: 341px; margin: 0 auto; }

  .footer-inner {
    flex-wrap: wrap;
    gap: 1.5rem;
  }
  .footer-logo {
    flex: 0 0 100%;
    display: flex;
    justify-content: center;
    order: 3;
    margin-left: 0;
  }
  .footer-contact {
    flex: 1;
    margin-left: 0;
    order: 1;
    min-width: 0;
  }
  .footer-social {
    flex: 0 0 auto;
    margin-left: 0;
    order: 2;
  }

  .case-study-text { margin-left: 0; }

  .carousel-slide { min-width: 100%; }

  .portfolio-showcase { grid-template-columns: 1fr; }

  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }

  .case-study-images { grid-template-columns: 1fr 1fr; }
  .case-study-image-full { grid-column: 1 / -1; }

  .case-study-text {
    grid-column: 1 / -1;
    padding-left: var(--pad-x);
  }

  .about-katka,
  .about-martin { gap: 1.5rem; }

}

@media (min-width: 768px) and (max-width: 930px) {
  .footer-contact {
    margin-left: 4vw;
  }
}

@media (max-width: 479px) {
  .case-study-images { grid-template-columns: 1fr 1fr; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .carousel-track { transition: none; }
  html { scroll-behavior: auto; }
}