/* ═══════════════════════════════════════════════════════════
   Alexander Brown — Portfolio
   styles.css
   ═══════════════════════════════════════════════════════════ */

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

/* ── Variables ────────────────────────────────────────────── */
:root {
  --black:    #000;
  --white:    #fff;
  --gray:     #999;
  --light:    #f5f5f5;

  --gap:      2px;
  --gutter:   2vw;
  --margin:   88px;          /* consistent left/right gutter across all pages */
  --header-h: 54px;

  /* Fonts */
  --display: 'Montserrat', 'Helvetica Neue', Arial, sans-serif;
  --sans:    'Montserrat', 'Helvetica Neue', Arial, sans-serif;
  --serif:   'Spectral', Georgia, serif;

  /* Type scale */
  --t-logo:    12px;
  --t-nav:     11px;
  --t-label:   10px;
  --t-meta:     9px;
  --t-body:    11.5px;
  --t-caption:  8px;
}

/* ── Base ─────────────────────────────────────────────────── */
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--sans);
  background: var(--white);
  color: var(--black);
}

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

img, video {
  display: block;
  width: 100%;
  height: auto;
}


/* ══════════════════════════════════════════════════════════
   HEADER
   ══════════════════════════════════════════════════════════ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--margin);
  background: var(--white);
}

.site-title {
  font-family: var(--display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-link {
  font-family: var(--display);
  font-size: var(--t-nav);
  font-weight: 500;
  letter-spacing: 0;
  color: var(--gray);
  transition: color 0.15s;
}

.nav-link:hover { color: var(--black); }

.nav-link.is-active {
  color: var(--black);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}


/* ══════════════════════════════════════════════════════════
   HOMEPAGE — MASONRY GRID
   ══════════════════════════════════════════════════════════ */
.masonry-grid {
  /* position: relative and height set by masonry.js */
  margin-top: calc(var(--header-h) + 88px);
  margin-left: var(--margin);
  margin-right: var(--margin);
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: var(--gap);
}

.item-link { display: block; }

.item-media {
  overflow: hidden;
  background: var(--light);
  line-height: 0;
  position: relative;
}

.item-media img,
.item-media video {
  width: 100%;
  display: block;
  filter: grayscale(1) brightness(1.3);
  opacity: 0.25;
  transition: filter 1.4s ease, opacity 1.4s ease;
}

/* JS takes over proximity highlighting on desktop — hover kept as fallback */
.masonry-item:hover .item-media img,
.masonry-item:hover .item-media video {
  filter: grayscale(0);
  opacity: 1;
}

/* No overlay — removed */
.item-overlay { display: none; }
.item-overlay-title { display: none; }

/* Caption — hidden by default, appears below image on hover */
.item-caption {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 0 0;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.masonry-item:hover .item-caption {
  opacity: 1;
}

.item-title {
  font-family: var(--display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.item-year {
  font-family: var(--sans);
  font-size: var(--t-label);
  color: var(--gray);
}


/* ══════════════════════════════════════════════════════════
   PROJECT PAGE
   Flat 3-column grid: title | video | sidebar
   Each element is a direct grid child with explicit placement,
   so the sketch can bottom-align with the video using align-self.
   ══════════════════════════════════════════════════════════ */

.page-layout {
  display: grid;
  grid-template-columns: 3fr 2fr 240px;
  column-gap: 64px;
  padding: calc(var(--header-h) + 48px) var(--margin) 120px;
  align-items: start;
}

/* ── Meta bar: spans title + video cols ── */
.hero-meta-bar {
  grid-column: 1 / 3;
  grid-row: 1;
  padding-bottom: 20px;
}

.hero-meta {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  align-items: center;
}

.hero-meta li {
  font-family: var(--display);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
}

.hero-meta li + li::before {
  content: '·';
  margin: 0 12px;
  color: var(--gray);
}

/* ── Title: col 1, hero row ── */
.hero-left {
  grid-column: 1;
  grid-row: 2;
}

.hero-title {
  font-family: var(--display);
  font-size: 64px;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  margin: 0;
  line-height: 1;
}

/* ── Video: col 2, hero row — its height sets the row ── */
.hero-media {
  grid-column: 2;
  grid-row: 2;
  min-height: 50vh;
  align-self: stretch;
  overflow: hidden;
}

.hero-media video,
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

/* ── Sketch: col 3, hero row — bottom-aligned with video ── */
.hero-sketch-item {
  grid-column: 3;
  grid-row: 2;
  align-self: end;
  position: relative;
  z-index: 1;
}

.hero-sketch-item img {
  width: 100%;
  height: auto;
  display: block;
}

/* ── Masonry: cols 1+2, below hero ── */
.project-grid {
  grid-column: 1 / 3;
  grid-row: 3;
  margin-top: 160px;
}

.project-block { /* width / top / left set by masonry.js */ }

/* ── Sidebar: col 3, all rows — sticky text follows through masonry ── */
.page-sidebar {
  grid-column: 3;
  grid-row: 1 / span 4;
  align-self: stretch;
  padding-top: 32px;
}

.sidebar-sticky { display: none; }

.project-overlay {
  position: fixed;
  right: var(--margin);
  top: calc(var(--header-h) + 80px);
  width: 240px;
  color: rgba(0,0,0,0.75);
  pointer-events: none;
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: opacity 0.3s;
}

.sidebar-text {
  font-family: var(--serif);
  font-size: 12px;
  line-height: 1.85;
  color: rgba(0,0,0,0.70);
  margin: 0;
  text-align: justify;
}

.info-credit {
  font-family: var(--sans);
  font-size: var(--t-caption);
  letter-spacing: 0.04em;
  color: var(--gray);
}

/* — Image / video blocks — */
.img-block {
  cursor: default;
  background: var(--white);
  line-height: 0;
}

.img-block img,
.img-block video {
  width: 100%;
  height: auto;        /* always natural aspect ratio — never cropped */
  display: block;
  transition: opacity 0.2s;
}

.img-block:hover img,
.img-block:hover video { opacity: 0.88; }

/* Images excluded from the slideshow lose the zoom cursor */
.img-block[data-no-lightbox] { cursor: default; }

/* Label under technical drawings (currently unused — kept for future projects) */
.img-label {
  font-family: var(--sans);
  font-size: var(--t-caption);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  padding: 8px 0 0;
  line-height: 1.2;
}


/* ══════════════════════════════════════════════════════════
   LIGHTBOX
   ══════════════════════════════════════════════════════════ */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
}

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

/* Near-solid white — background is barely visible, image reads clearly */
.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.99);
}

.lightbox__stage {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox__media-wrap {
  position: relative;
  z-index: 1;
  max-width: 58vw;
  max-height: 62vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox__img {
  max-width: 58vw;
  max-height: 62vh;
  width: auto;
  height: auto;
  display: block;
  object-fit: contain;
}

.lightbox__video {
  max-width: 58vw;
  max-height: 62vh;
  width: auto;
  height: auto;
  display: block;
}

/* Controls */
.lightbox__close {
  position: fixed;
  top: 18px;
  right: var(--gutter);
  z-index: 2;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--sans);
  font-size: var(--t-nav);
  letter-spacing: 0.06em;
  color: var(--black);
  padding: 4px 0;
}

.lightbox__arrow {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 22px;
  line-height: 1;
  color: var(--black);
  padding: 20px 18px;
  opacity: 0.5;
  transition: opacity 0.15s;
}

.lightbox__arrow:hover { opacity: 1; }
.lightbox__arrow--prev { left: 0; }
.lightbox__arrow--next { right: 0; }

.lightbox__counter {
  position: fixed;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  font-family: var(--sans);
  font-size: var(--t-caption);
  letter-spacing: 0.1em;
  color: var(--gray);
}


/* ══════════════════════════════════════════════════════════
   ABOUT PAGE
   ══════════════════════════════════════════════════════════ */
.about-page {
  padding-top: var(--header-h);
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - var(--header-h) - 60px);
}

.about-photo {
  background: var(--light);
  overflow: hidden;
  line-height: 0;
}

.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-content { padding: 56px var(--margin); }

.about-name {
  font-family: var(--display);
  font-size: var(--t-label);
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.about-bio {
  font-family: var(--serif);
  font-size: var(--t-body);
  line-height: 1.85;
  color: rgba(0,0,0,0.70);
  margin-bottom: 36px;
  text-align: justify;
}

.about-bio p + p { margin-top: 1.2em; }

.disciplines-label {
  font-family: var(--display);
  font-size: var(--t-meta);
  font-weight: 500;
  letter-spacing: 0;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 10px;
}

.disciplines-list { list-style: none; }

.disciplines-list li {
  font-family: var(--sans);
  font-size: var(--t-body);
  letter-spacing: 0.01em;
  padding: 5px 0;
  border-top: 1px solid rgba(0,0,0,0.07);
}

.disciplines-list li:last-child {
  border-bottom: 1px solid rgba(0,0,0,0.07);
}


/* ══════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════ */
.site-footer {
  padding: 16px var(--margin) 22px;
  font-family: var(--sans);
  font-size: var(--t-caption);
  letter-spacing: 0.04em;
  color: var(--gray);
  margin-top: var(--gap);
}


/* ══════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  :root { --margin: 48px; }
  .page-layout { column-gap: 48px; }
}

@media (max-width: 900px) {
  :root { --margin: 32px; }

  /* Collapse to single column — stack title, video, masonry, then sidebar */
  .page-layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .hero-meta-bar { grid-column: 1; grid-row: auto; }
  .hero-left     { grid-column: 1; grid-row: auto; }

  .hero-media {
    grid-column: 1;
    grid-row: auto;
    min-height: auto;
    height: 60vw;
    align-self: auto;
    margin-top: 24px;
  }

  .hero-sketch-item {
    grid-column: 1;
    grid-row: auto;
    align-self: auto;
    margin-top: 24px;
    max-width: 160px;
  }

  .project-grid {
    grid-column: 1;
    grid-row: auto;
    margin-top: 64px;
  }

  .page-sidebar {
    grid-column: 1;
    grid-row: auto;
    margin-top: 48px;
  }

  .sidebar-sticky { position: static; }

  .hero-title { font-size: 36px; }

  .about-page { grid-template-columns: 1fr; }
  .about-photo { height: 50vw; }
  .about-content { padding: 40px var(--margin); }
}

@media (max-width: 600px) {
  :root { --margin: 28px; }

  /* ══════════════════════════════════════════════
     PROJECT PAGE — MOBILE REDESIGN
     Override all per-page <style> blocks that
     set min-height, transform, absolute video, etc.
  ══════════════════════════════════════════════ */

  /* Force single column — overrides per-page inline <style> grid-template-columns */
  .page-layout {
    grid-template-columns: 1fr !important;
    padding-top: calc(var(--header-h) + 36px) !important;
    padding-left: var(--margin) !important;
    padding-right: var(--margin) !important;
    padding-bottom: 0 !important;
    column-gap: 0 !important;
  }

  /* Lock all grid children to column 1 so nothing bleeds outside the margin */
  .hero-meta-bar,
  .hero-left,
  .hero-media,
  .project-grid,
  .page-sidebar {
    grid-column: 1 !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
  }

  /* Hide client sketches */
  .hero-sketch-item { display: none !important; }

  /* Meta — one line, small enough to fit without wrapping */
  .hero-meta-bar { padding-bottom: 12px; }
  .hero-meta {
    flex-wrap: nowrap;
    gap: 0;
  }
  .hero-meta li {
    font-size: 8px;
    letter-spacing: 0.08em;
  }
  .hero-meta li + li::before {
    margin: 0 7px;
  }

  /* Title */
  .hero-title {
    font-size: 30px;
    letter-spacing: -0.01em;
  }

  /* ── Hero video: reset ALL per-page overrides ──
     min-height, transform, position:absolute, width:120%
     are all cancelled so the video sits naturally */
  .hero-media {
    position: static !important;
    min-height: unset !important;
    height: auto !important;
    transform: none !important;
    overflow: visible !important;
    margin-top: 28px !important;
    align-self: auto !important;
    display: flex !important;
    justify-content: center !important;
  }
  .hero-media video,
  .hero-media img {
    position: static !important;
    width: 100% !important;
    height: auto !important;
    object-fit: contain !important;
    bottom: auto !important;
    right: auto !important;
  }

  /* ── Project text: pull out of fixed overlay, flow naturally ── */
  .project-overlay {
    position: static !important;
    width: auto !important;
    padding: 40px var(--margin) 80px !important;
    pointer-events: auto !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 16px !important;
    opacity: 1 !important;
    transition: none !important;
    right: auto !important;
    top: auto !important;
  }

  .sidebar-text {
    font-size: 11px;
    line-height: 1.9;
    text-align: left;
  }

  /* Sidebar — flow inline, left-aligned, provides bottom spacing for page */
  .page-sidebar {
    padding-top: 40px !important;
    padding-bottom: 80px !important;
    margin-top: 0 !important;
  }
  /* Empty sidebar (overlay-style pages) — collapse completely so it adds no gap */
  .page-sidebar:empty {
    display: none !important;
  }
  .sidebar-sticky {
    position: static !important;
  }

  /* ── Image grid: reset 240px desktop margin ── */
  .project-grid {
    margin-top: 48px !important;
  }

  /* Individual blocks — clean, no card effect */
  .project-block {
    padding: 0 !important;
    background: none !important;
  }

  /* Images — full frame, natural aspect ratio */
  .img-block img,
  .img-block video {
    width: 100% !important;
    height: auto !important;
    object-fit: contain !important;
    display: block !important;
  }

  /* Seam/Pivot: reset their margin-top on hero */
  .hero-media[style] {
    margin-top: 28px !important;
    transform: none !important;
  }

  /* ══════════════════════════════════════════════
     HOMEPAGE WORKS GRID — MOBILE
  ══════════════════════════════════════════════ */
  .masonry-grid {
    margin-top: calc(var(--header-h) + 44px);
  }

  .masonry-item { padding: 0; background: none; }

  .item-media {
    overflow: visible;
    background: none;
  }
  .item-media img,
  .item-media video {
    width: 100%;
    height: auto;
    object-fit: contain;
    opacity: 1 !important;
    filter: grayscale(1);
    transition: filter 1.2s ease;
  }

  /* Captions always visible on touch */
  .item-caption {
    opacity: 1;
    padding-top: 10px;
  }

  /* ══════════════════════════════════════════════
     LIGHTBOX — MOBILE
  ══════════════════════════════════════════════ */
  .lightbox__media-wrap { max-width: 92vw; max-height: 80vh; }
  .lightbox__img,
  .lightbox__video { max-width: 92vw; max-height: 80vh; }
  .lightbox__arrow { padding: 24px 16px; font-size: 28px; }
}