:root {
  --gutter: 24px;
  --page-pad: 40px;
  --nav-width: 240px;
  --nav-gap: 56px;
  --fg: #000;
  --bg: #fff;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
  min-height: 100%;
  background: #fff;
}

html::before {
  content: "";
  position: fixed;
  inset: 0;
  background: url("../images/home/home-026.png") no-repeat center center;
  background-size: cover;
  opacity: 0.1;
  pointer-events: none;
  z-index: 0;
}

html,
body {
  margin: 0;
  padding: 0;
  color: #000;
}

body {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  background: transparent;
  color: var(--fg);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

.layout {
  display: flex;
  align-items: flex-start;
  padding: var(--page-pad);
  gap: var(--nav-gap);
}

/* ---------- Sidebar nav (desktop) ---------- */
.sidebar {
  flex: 0 0 var(--nav-width);
  position: sticky;
  top: var(--page-pad);
}

.mobile-nav {
  display: none;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list li {
  margin: 0 0 2px;
}

.nav-list a {
  color: var(--fg);
  text-decoration: none;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
}

.nav-list a:hover,
.nav-list a.active {
  text-decoration: underline;
}

.nav-clients {
  margin-top: 20px;
}

.nav-item--soon {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  cursor: default;
}

.nav-show-more {
  display: block;
  margin: 2px 0 0;
  padding: 0;
  border: none;
  background: none;
  color: var(--fg);
  font-family: inherit;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  cursor: pointer;
  text-align: left;
}

.nav-show-more:hover {
  text-decoration: underline;
}

.nav-clients-more[hidden] {
  display: none;
}

/* ---------- Gallery (masonry via CSS columns) ---------- */
.gallery {
  flex: 1 1 auto;
  column-count: 3;
  column-gap: var(--gutter);
}

.tile {
  margin: 0 0 var(--gutter);
  break-inside: avoid;
  -webkit-column-break-inside: avoid;
  display: block;
  position: relative;
}

.tile img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- Project pages ---------- */
.project {
  flex: 1 1 auto;
}

.project-description {
  margin: 0 0 24px;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  max-width: 640px;
}

.gallery--single {
  column-count: 1;
  max-width: 560px;
}

.video-embed {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  margin-bottom: var(--gutter);
  break-inside: avoid;
}

.video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-embed-fallback {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
}

.video-embed-fallback a {
  color: var(--fg);
}

/* ---------- Bio page ---------- */
.bio {
  flex: 1 1 auto;
  max-width: 640px;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
}

.bio h1,
.bio h2 {
  font-size: 16px;
  font-weight: 400;
  margin: 0 0 16px;
}

.bio h2 {
  margin-top: 24px;
}

.bio p {
  margin: 0 0 16px;
}

.bio a {
  color: var(--fg);
}

/* ---------- Tablet / mobile ---------- */
@media (max-width: 1024px) {
  :root {
    --page-pad: 16px;
    --gutter: 12px;
  }

  .mobile-nav {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
  }

  .mobile-nav-toggle {
    display: block;
    width: 100%;
    margin: 0;
    padding: var(--page-pad);
    border: none;
    color: var(--fg);
    font-family: inherit;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    text-align: left;
    cursor: pointer;
  }

  /* Closed: frost + fade on toggle only */
  .mobile-nav:has(.mobile-nav-panel[hidden]) .mobile-nav-toggle {
    background: color-mix(in srgb, var(--bg) 82%, transparent);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    padding-bottom: calc(var(--page-pad) + 20px);
    -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 55%, transparent 100%);
    mask-image: linear-gradient(to bottom, #000 0%, #000 55%, transparent 100%);
  }

  /* Open: single frost layer on parent — no seam between toggle and panel */
  .mobile-nav:has(.mobile-nav-panel:not([hidden])) {
    display: flex;
    flex-direction: column;
    max-height: 100vh;
    background: color-mix(in srgb, var(--bg) 82%, transparent);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 calc(100% - 28px), transparent 100%);
    mask-image: linear-gradient(to bottom, #000 0%, #000 calc(100% - 28px), transparent 100%);
  }

  .mobile-nav-panel {
    padding: 0 var(--page-pad) var(--page-pad);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .mobile-nav:has(.mobile-nav-panel:not([hidden])) .mobile-nav-panel {
    flex: 1 1 auto;
    min-height: 0;
    padding-bottom: calc(var(--page-pad) + 12px);
  }

  .mobile-nav-panel[hidden] {
    display: none;
  }

  /* Clear the fixed bar so image tops / page text aren't hidden behind it. */
  .layout {
    display: block;
    padding: var(--page-pad);
    padding-top: 64px;
  }

  .sidebar {
    display: none;
  }

  .gallery {
    column-count: 2;
    column-gap: var(--gutter);
  }

  .bio {
    max-width: none;
  }
}

@media (max-width: 480px) {
  .gallery {
    column-count: 2;
  }
}