/* ============================================
   PORTFOLIO — styles.css
   Fonts:
     Body/UI  → Space Mono  (replace with NB Architect when licensed)
     Display  → Unbounded   (replace with Pilat when licensed)
   ============================================ */

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

/* ─── Design Tokens ──────────────────────────── */
:root {
  --bg:         #0b0b0b;
  --fg:         #f0ede8;
  --fg-dim:     rgba(240, 237, 232, 0.45);
  --fg-muted:   rgba(240, 237, 232, 0.15);
  --border:     rgba(240, 237, 232, 0.07);
  --border-mid: rgba(240, 237, 232, 0.15);

  /* ↓ Replace with licensed font names when available */
  --font-mono:    'Space Mono', 'Courier New', monospace;
  --font-display: 'Unbounded', 'Inter', -apple-system, sans-serif;

  --header-h: 58px;

  /* Easing */
  --ease:      cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in:   cubic-bezier(0.55, 0, 1, 0.45);
  --t:         0.5s;
  --t-fast:    0.18s;
}

/* ─── Base ───────────────────────────────────── */
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }


/* ─── Page Transition Overlay ────────────────── */
.page-transition {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 9998;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.45s var(--ease-in);
}
.page-transition.active {
  opacity: 1;
  pointer-events: all;
}


/* ─── Background Photo ──────────────────────── */
.bg-photo {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.bg-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 1;
  display: block;
}
/* Hide the placeholder when src is empty */
.bg-photo img:not([src]), .bg-photo img[src=""] { display: none; }

/* ─── Header ─────────────────────────────────── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 44px;
  z-index: 200;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.header-name {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--fg);
}

.header-nav {
  display: flex;
  gap: 36px;
  align-items: center;
}

.header-nav a {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--fg-dim);
  transition: color var(--t-fast) var(--ease);
}
.header-nav a:hover { color: var(--fg); }

/* ─── Collage Container ──────────────────────── */
.collage-container {
  position: relative;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
  z-index: 1;
}

/* ─── Portrait ───────────────────────────────── */
.portrait-wrapper {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  pointer-events: none;
}

.portrait-img {
  display: block;
  height: 68vh;
  width: auto;
  max-width: 50vw;
  object-fit: contain;
  object-position: bottom center;
  filter: grayscale(15%) contrast(1.05);
  /* Fade portrait into background at the top edge */
  -webkit-mask-image: linear-gradient(to top, black 60%, transparent 96%);
  mask-image: linear-gradient(to top, black 60%, transparent 96%);
}

/* ─── Thumbs Wrapper ─────────────────────────── */
/* Desktop: abs-positioned by JS */
.thumbs-wrapper {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* ─── Project Thumbnails ─────────────────────── */
.project-thumb {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 9px;
  z-index: 3;
  pointer-events: all;
  will-change: transform;
  cursor: grab;
  /* left / top / transform set by script.js */
}
.project-thumb:active { cursor: grabbing; }

.thumb-img-wrap {
  width: 156px;
  height: 156px;
  overflow: hidden;
  border: 1px solid var(--border);
  position: relative;
  background: #131313;
  transition: border-color 0.4s var(--ease), transform 0.45s var(--ease);
}
/* Shimmer on hover */
.thumb-img-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    115deg,
    transparent 35%,
    rgba(240,237,232,0.06) 50%,
    transparent 65%
  );
  transform: translateX(-100%);
  transition: transform 0.6s var(--ease);
  z-index: 1;
}

.project-thumb:hover .thumb-img-wrap {
  transform: scale(1.09);
  border-color: rgba(240, 237, 232, 0.18);
}
.project-thumb:hover .thumb-img-wrap::before {
  transform: translateX(100%);
}

.thumb-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.thumb-label {
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--fg-dim);
  transition: color 0.3s var(--ease);
  white-space: nowrap;
}
.project-thumb:hover .thumb-label { color: var(--fg); }

/* ─── Scroll Arrow ───────────────────────────── */
.scroll-arrow {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 6;
  width: 40px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(240, 237, 232, 0.1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: rgba(240, 237, 232, 0.5);
  animation: scroll-bob 2.4s ease-in-out infinite;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), opacity 0.6s var(--ease);
}
.scroll-arrow.hidden {
  opacity: 0;
  pointer-events: none;
}
.scroll-arrow:hover {
  color: var(--fg);
  border-color: rgba(240, 237, 232, 0.4);
}
.scroll-arrow svg {
  width: 24px;
  height: 36px;
}

@keyframes scroll-bob {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

/* ─── Footer ─────────────────────────────────── */
.footer {
  position: relative;
  z-index: 10;
  border-top: 1px solid var(--border);
  padding: 90px 44px 48px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto auto;
  column-gap: 28px;
  row-gap: 64px;
}

.footer-photo {
  width: 135px;
  object-fit: contain;
  border-radius: 4px;
  opacity: 0.85;
  align-self: start;
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--fg-muted);
  margin-bottom: 28px;
  text-transform: uppercase;
}

.about-text {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 2.1;
  color: var(--fg-dim);
  max-width: 440px;
}

/* ─── Contact Links ──────────────────────────── */
.contact-links {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--fg-dim);
  transition: color 0.2s var(--ease), transform 0.25s var(--ease);
  width: fit-content;
}
.contact-link:hover {
  color: var(--fg);
  transform: translateX(5px);
}
.contact-link svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.contact-link span {
  font-size: 9px;
  letter-spacing: 0.18em;
  font-weight: 700;
}

/* ─── Footer Bottom Bar ──────────────────────── */
.footer-bottom {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 44px;
  border-top: 1px solid var(--border);
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--fg-muted);
}

/* ─── Project Image Pair ─────────────────────── */
.project-image-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  width: 100%;
  background: #080808;
}
.project-image-single {
  grid-template-columns: 1fr;
}

.project-figure {
  margin: 0;
  display: flex;
  flex-direction: column;
}

.project-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  background: #111;
  cursor: zoom-in;
}

/* ─── Lightbox ───────────────────────────────── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 40px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease);
  cursor: zoom-out;
}
.lightbox.open {
  opacity: 1;
  pointer-events: all;
}
.lightbox img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  display: block;
  box-shadow: 0 0 80px rgba(0,0,0,0.6);
}
.lightbox figcaption {
  font-family: var(--font-mono);
  font-size: 18px;
  letter-spacing: 0.18em;
  color: var(--fg);
  text-transform: uppercase;
  text-align: center;
}
.lightbox-close {
  position: absolute;
  top: 24px;
  right: 32px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--fg-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  transition: color 0.2s;
}
.lightbox-close:hover { color: var(--fg); }

.project-figure figcaption {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  color: var(--fg);
  padding: 12px 16px;
  text-transform: uppercase;
}

@media (max-width: 768px) {
  .project-image-pair { grid-template-columns: 1fr; }
}

/* ─── Project Pages ──────────────────────────── */
.project-page {
  min-height: 100vh;
  padding-top: var(--header-h);
  position: relative;
  z-index: 1;
}

/* Back navigation */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 9px;
  letter-spacing: 0.16em;
  font-weight: 700;
  color: var(--fg-dim);
  padding: 36px 44px;
  transition: color 0.2s var(--ease), transform 0.25s var(--ease);
}
.back-link:hover {
  color: var(--fg);
  transform: translateX(-5px);
}
.back-link svg {
  width: 14px;
  height: 14px;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Hero video */
.project-hero {
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 72vh;
  overflow: hidden;
  background: #080808;
  position: relative;
}

.project-video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

/* Video play overlay */
.video-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.35);
  cursor: pointer;
  transition: opacity 0.3s var(--ease);
}
.video-overlay.hidden { opacity: 0; pointer-events: none; }

.play-btn {
  width: 64px;
  height: 64px;
  border: 1px solid rgba(240, 237, 232, 0.5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s var(--ease), border-color 0.3s;
}
.video-overlay:hover .play-btn {
  transform: scale(1.08);
  border-color: rgba(240, 237, 232, 0.9);
}
.play-btn svg {
  width: 22px;
  height: 22px;
  fill: var(--fg);
  margin-left: 4px; /* optical center for play triangle */
}

/* Project content */
.project-content {
  max-width: 840px;
  margin: 0 auto;
  padding: 64px 44px 120px;
}

.project-meta {
  display: flex;
  align-items: flex-end;
  gap: 28px;
  margin-bottom: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}

.project-title {
  font-family: var(--font-display);
  font-size: clamp(52px, 9vw, 108px);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 0.88;
  color: var(--fg);
  flex: 1;
}

.project-year {
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--fg-muted);
  padding-bottom: 6px;
  flex-shrink: 0;
}

.project-description {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 2.1;
  color: var(--fg-dim);
  margin-bottom: 52px;
  max-width: 620px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 52px;
}

.project-tag {
  font-size: 8px;
  letter-spacing: 0.18em;
  font-weight: 700;
  color: var(--fg-muted);
  border: 1px solid var(--border);
  padding: 7px 14px;
  text-transform: uppercase;
  transition: border-color 0.2s, color 0.2s;
}
.project-tag:hover {
  border-color: var(--border-mid);
  color: var(--fg-dim);
}

.project-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 9px;
  letter-spacing: 0.14em;
  font-weight: 700;
  border: 1px solid var(--border);
  padding: 13px 22px;
  text-transform: uppercase;
  color: var(--fg-dim);
  transition: border-color 0.25s, color 0.25s, background 0.25s;
}
.project-link:hover {
  border-color: var(--fg);
  color: var(--fg);
  background: rgba(240, 237, 232, 0.04);
}
.project-link svg {
  width: 13px;
  height: 13px;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ─── Scroll Fade-in ─────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Responsive — Mobile ────────────────────── */
@media (max-width: 768px) {

  .header { padding: 0 20px; }

  .collage-container {
    height: auto;
    min-height: 100vh;
    flex-direction: column;
    align-items: center;
    padding: calc(var(--header-h) + 48px) 20px 64px;
    overflow: visible;
    gap: 48px;
  }

  /* Portrait: pull out of absolute flow, show above grid */
  .portrait-wrapper {
    position: relative;
    left: auto;
    bottom: auto;
    transform: none;
    margin-bottom: 32px;
  }
  .portrait-img {
    height: 44vh;
    max-width: 80vw;
  }

  /* CSS grid — no JS DOM manipulation needed */
  .thumbs-wrapper {
    position: relative;
    inset: auto;
    pointer-events: all;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    width: 100%;
    max-width: 380px;
  }

  /* Reset JS absolute positioning */
  .project-thumb {
    position: relative !important;
    left: auto !important;
    top: auto !important;
    transform: none !important;
    opacity: 1 !important;
    transition: none !important;
  }

  .thumb-img-wrap {
    width: 100%;
    height: 130px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .footer-photo {
    width: 140px;
    height: 170px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }
  .footer { padding: 64px 20px 40px; }

  .back-link { padding: 28px 20px; }
  .project-content { padding: 40px 20px 80px; }
  .project-title { font-size: clamp(40px, 12vw, 72px); }
  .project-meta { flex-direction: column; align-items: flex-start; gap: 8px; }
}