/* ========== base / reset ========== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Inter, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  line-height: 1.4;
  color: #111;
  background: #fff;
}

img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid #111; outline-offset: 2px; }

/* ========== layout helpers ========== */
.container { width: min(1120px, 88vw); margin-inline: auto; }
.site-main { padding-block: 64px; }

/* ========== skip link (accessibility) ========== */
.skip-link {
  position: absolute; left: 8px; top: 8px;
  padding: 8px 12px; background: #111; color: #fff;
  transform: translateY(-150%); transition: transform .2s ease;
  z-index: 1000; border-radius: 4px;
}
.skip-link:focus { transform: translateY(0); }

/* ========== header / nav ========== */
.site-header { position: sticky; top: 0; z-index: 50; background: #fff; border-bottom: 1px solid #eee; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding-block: 18px; }
.site-logo { font-weight: 600; letter-spacing: 0.02em; font-size: 18px; }
.site-nav .nav-list { display: flex; gap: 24px; list-style: none; margin: 0; padding: 0; }
.site-nav a { font-size: 14px; letter-spacing: .04em; text-transform: uppercase; padding: 6px 0; }
.site-nav a.active { text-decoration: underline; }
.nav-toggle { display: none; background: none; border: 0; font-size: 24px; }

/* ========== footer ========== */
.site-footer { border-top: 1px solid #eee; padding-block: 24px; color: #444; }

/* ========== work card ========== */
.work-grid .grid-list{
  display: block;
  column-count: 2;
  column-gap: 40px;
  list-style: none; margin: 0; padding: 0;
}
.work-grid .grid-item{
  break-inside: avoid;
  -webkit-column-break-inside: avoid;
  page-break-inside: avoid;
  display: inline-block;
  width: 100%;
  margin: 0 0 40px;
}
.work-card{ display: block; }
.work-figure{ margin: 0; }
.work-figure img{ width: 100%; height: auto; display: block; object-fit: cover; }
.work-caption{
  display: flex; justify-content: space-between; gap: 8px;
  font-size: 13px; color: #555; padding-top: 8px;
}
.work-title{ font-weight: 500; }
.work-author{ color: #777; }

/* ========== clients ========== */
.clients h1, .about-contact h1 { font-size: 28px; font-weight: 600; margin: 0 0 20px; }
.clients-list{
  list-style: none; margin: 0 auto; padding: 0;
  max-width: 420px;
  text-align: center;
}
.clients-list li{
  padding: 6px 0; border-bottom: 1px solid #eee; font-size: 15px; text-align: center;
}
.lazy-client{ min-height: 1.4em; background: #f6f6f6; }

/* ========== about & contact ========== */
.about{ max-width: 70ch; font-size: 16px; color: #222; margin: 0 auto; }
.about p{ margin: 0 0 16px; }
.contact{ margin-top: 28px; text-align: center; }
.contact h2{ font-size: 16px; letter-spacing: .04em; text-transform: uppercase; margin: 0 0 12px; }
.contact a{ text-decoration: underline; }
.about-contact .container{ max-width: 700px; margin: 0 auto; text-align: center; }

/* ========== lightbox ========== */
.lightbox{
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.9); justify-content: center; align-items: center;
  z-index: 1000;
}
.lightbox.open{ display: flex; }
.lightbox-img{ max-width: 90%; max-height: 90%; object-fit: contain; }
.lightbox-close{ position: absolute; top: 20px; right: 30px; font-size: 32px; color: #fff; cursor: pointer; }

/* ========== links =========*/
.gallery-viewer {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background: #000;
}
.gallery-viewer img {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
}
.nav-arrow {
  position: absolute;
  top: 50%;
  font-size: 48px;
  color: #fff;
  cursor: pointer;
  user-select: none;
  transform: translateY(-50%);
  padding: 16px;
}
#prev { left: 20px; }
#next { right: 20px; }
.back-link {
  position: absolute;
  top: 20px;
  left: 20px;
  color: white;
  text-decoration: none;
  font-size: 20px;
}
.close-btn {
  position: absolute; top: 20px; right: 30px;
  font-size: 40px; color: #fff; text-decoration: none;
  z-index: 1000; cursor: pointer; user-select: none;
  pointer-events: auto;
}
/* ========== media queries ========== */
/* little desktop */
@media (max-width: 1200px){
  .container{ width: min(980px, 92vw); }
  .work-grid .grid-list{ column-gap: 28px; }
  .work-grid .grid-item{ margin-bottom: 28px; }
}
/* tablets */
@media (max-width: 768px){
  .header-inner{ padding-block: 14px; }
  .site-nav .nav-list{ gap: 16px; }
  .work-caption{ font-size: 12px; }
  .clients h1, .about-contact h1{ font-size: 24px; }
  .work-grid .grid-list{ column-count: 2; column-gap: 24px; }
  .work-grid .grid-item{ margin-bottom: 24px; }
}
/* phones */
@media (max-width: 600px){
  .container{ width: 92vw; }
  .site-main{ padding-block: 40px; }
  .work-grid .grid-list{ column-count: 1; column-gap: 0; }
  .work-grid .grid-item{ margin-bottom: 20px; }
}
/* small phones + burger */
@media (max-width: 520px){
  .header-inner{ display: flex; align-items: center; }
  .nav-toggle{ display: block; margin-left: auto; line-height: 1; padding: 4px 8px; }
  .site-nav{ position: relative; order: 3; }
  .site-nav .nav-list{
    position: absolute; right: 0; top: calc(100% + 8px);
    display: none; flex-direction: column; gap: 12px;
    background: #fff; border: 1px solid #eee; padding: 12px 14px;
    min-width: 200px; box-shadow: 0 8px 24px rgba(0,0,0,.06);
  }
  .site-nav.open .nav-list{ display: flex; }
}
/* ========== prefers-reduced-motion ========== */
@media (prefers-reduced-motion: reduce){
  * { animation: none !important; transition: none !important; }
}