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

:root {
  --black:   #000;
  --offblack: #0a0a0a;
  --white:   #fff;
  --grey:    #999;
  --accent:  #c8ff00;
  --text:    #e0e0e0;
  --header-h: 52px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  background: var(--black);
  color: var(--text);
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

/* ── Header ──────────────────────────────────────────────────────────────── */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  mix-blend-mode: difference;
  pointer-events: none;
}

#site-header a {
  pointer-events: all;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--white);
  transition: opacity 0.2s;
}
#site-header a:hover { opacity: 0.5; }

.header-brand { font-weight: 700; }

.header-nav { display: flex; gap: 2rem; }

/* ── Home page ───────────────────────────────────────────────────────────── */
#canvas-bg {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  z-index: 0;
}

#projects-layer {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  z-index: 1;
  overflow: hidden;
}

.project-thumb {
  position: absolute;
  cursor: pointer;
  transform-origin: center;
  transition: transform 0.35s cubic-bezier(0.23,1,0.32,1),
              opacity   0.35s ease;
  will-change: transform;
}

.project-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: none;
  pointer-events: none;
  filter: grayscale(20%);
  transition: filter 0.35s;
}

.project-thumb:hover { transform: scale(1.04) !important; }
.project-thumb:hover img { filter: grayscale(0%); }

.project-thumb-label {
  position: absolute;
  bottom: -1.4rem;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.3s;
}

.project-thumb:hover .project-thumb-label { color: rgba(255,255,255,0.9); }

/* ── Page transition ─────────────────────────────────────────────────────── */
#page-transition {
  position: fixed;
  inset: 0;
  background: var(--black);
  z-index: 200;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
}
#page-transition.active { opacity: 1; pointer-events: all; }

/* ── Project page ────────────────────────────────────────────────────────── */
#project-page {
  background: var(--black);
  min-height: 100vh;
  padding-top: var(--header-h);
}

.project-hero {
  padding: 5rem 0 3rem;
  max-width: 860px;
  margin: 0 auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

.project-hero h1 {
  font-size: clamp(1.8rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white);
  line-height: 1.1;
}

/* ── Content blocks ──────────────────────────────────────────────────────── */
.content-blocks {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 2rem 6rem;
}

.block { margin-bottom: 3.5rem; }

.block-text {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text);
  white-space: pre-wrap;
}

.block-image img {
  width: 100%;
  height: auto;
  display: block;
  max-height: 80vh;
  object-fit: cover;
}

.block-image figcaption {
  margin-top: 0.6rem;
  font-size: 0.75rem;
  color: #555;
  letter-spacing: 0.06em;
}

.block-video {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
}

.block-video iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: none;
}

.block-video-caption {
  margin-top: 0.6rem;
  font-size: 0.75rem;
  color: #555;
  letter-spacing: 0.06em;
}

/* ── Next project ────────────────────────────────────────────────────────── */
#next-project {
  border-top: 1px solid #1a1a1a;
  padding: 4rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: background 0.3s;
}
#next-project:hover { background: #0d0d0d; }

.next-label {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #444;
  margin-bottom: 0.5rem;
}

.next-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
}

/* ── About page ──────────────────────────────────────────────────────────── */
#about-page {
  min-height: 100vh;
  padding-top: var(--header-h);
}

.about-content {
  max-width: 680px;
  margin: 0 auto;
  padding: 5rem 2rem 8rem;
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text);
}

.about-content h2 {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #444;
  margin-bottom: 2rem;
}

/* ── Scrollbar ───────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: #222; border-radius: 2px; }

/* ── Loading ─────────────────────────────────────────────────────────────── */
#loader {
  position: fixed;
  inset: 0;
  background: var(--black);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease;
}
#loader.done { opacity: 0; pointer-events: none; }
.loader-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #333;
  margin: 0 4px;
  animation: pulse 1.4s ease-in-out infinite;
}
.loader-dot:nth-child(2) { animation-delay: 0.2s; }
.loader-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes pulse {
  0%, 80%, 100% { transform: scale(0.8); opacity: 0.4; }
  40%            { transform: scale(1.2); opacity: 1; }
}