/* ============================================================
   Saikat K Das — Photography
   Tokens (color, type, intro zoom) are injected from data/controls.yaml
   at build time into #site-tokens. Fallbacks below keep the file renderable.
   ============================================================ */

:root {
  --bg: #ECEAE4;
  --bg-raised: #E2DFD6;
  --ink: #17160F;
  --ink-soft: #55534A;
  --ink-faint: #8B8A7E;
  --line: rgba(23, 22, 15, 0.14);
  --line-strong: rgba(23, 22, 15, 0.28);
  --accent: #B4491F;
  --accent-ink: #FCEFE6;
  --surface-dark: #17160F;
  --surface-dark-raised: #211F16;
  --on-dark: #ECEAE4;
  --on-dark-soft: #B3B1A5;
  --on-dark-line: rgba(236, 234, 228, 0.16);

  --font-display: 'Helvetica Neue', Helvetica, 'IBM Plex Sans', Arial, sans-serif;
  --font-body: 'Helvetica Neue', Helvetica, 'IBM Plex Sans', Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;
  --font-display-weight: 700;
  --font-intro: 'Barlow Condensed', 'Helvetica Neue', sans-serif;
  --font-intro-weight: 600;
  --header-h: 4.5rem;
  --intro-zoom-start: 1.72;
  --intro-zoom-end: 1;
  --highlight-track-min-h: 52dvh;
  --selected-min-h: 100dvh;

  /* Space (8px base) */
  --sp-1: 0.5rem;
  --sp-2: 0.75rem;
  --sp-3: 1rem;
  --sp-4: 1.5rem;
  --sp-5: 2rem;
  --sp-6: 3rem;
  --sp-7: 4rem;
  --sp-8: 6rem;
  --sp-9: 9rem;

  /* Motion */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 180ms;
  --dur-med: 420ms;

  --radius: 3px;
  --container: 1440px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  text-wrap: pretty;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: var(--font-display-weight); line-height: 0.95; margin: 0; letter-spacing: -0.025em; text-wrap: balance; }
p { margin: 0; }

.wrap {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0; padding: 0; margin: -1px;
}

.skip-link {
  position: absolute; top: -50px; left: var(--sp-3); z-index: 200;
  background: var(--ink); color: var(--bg); padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius); transition: top var(--dur-fast) var(--ease);
}
.skip-link:focus { top: var(--sp-3); }

.label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.on-dark .label { color: var(--on-dark-soft); }

.label-paren::before { content: '('; }
.label-paren::after { content: ')'; }

/* ---------------- Header / Nav ---------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-3) var(--gutter);
  min-height: var(--header-h);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.monogram,
[data-brand-type] {
  font-family: var(--font-intro);
  font-weight: var(--font-intro-weight);
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.menu-toggle {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: var(--sp-1) var(--sp-2);
}
.menu-toggle .bars { display: flex; flex-direction: column; gap: 4px; width: 20px; }
.menu-toggle .bars span { display: block; height: 2px; background: currentColor; transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease); }
.menu-toggle[aria-expanded="true"] .bars span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .bars span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] .bars span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--surface-dark);
  color: var(--on-dark);
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow-y: auto;
  padding: var(--sp-7) var(--gutter);
  transform: translateY(-100%);
  transition: transform var(--dur-med) var(--ease);
}
.nav-overlay.is-open { transform: translateY(0); }
.nav-overlay-list { display: flex; flex-direction: column; gap: var(--sp-2); }
.nav-overlay-item {
  display: flex;
  align-items: baseline;
  gap: var(--sp-3);
  padding: var(--sp-2) 0;
  border-bottom: 1px solid var(--on-dark-line);
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 6vw, 3.5rem);
  font-weight: var(--font-display-weight);
}
.nav-overlay-item .idx { font-family: var(--font-mono); font-size: 0.9rem; color: var(--on-dark-soft); }
.nav-overlay-item.is-active { color: var(--accent); }
.nav-overlay-foot { margin-top: var(--sp-7); display: flex; flex-wrap: wrap; gap: var(--sp-4); font-family: var(--font-mono); font-size: 0.85rem; color: var(--on-dark-soft); }
.nav-overlay-foot a:hover { color: var(--on-dark); }

/* ---------------- Sections ---------------- */
.section { padding-block: var(--sp-8); }
.section-tight { padding-block: var(--sp-6); }
.on-dark { background: var(--surface-dark); color: var(--on-dark); }
.on-dark .ink-soft { color: var(--on-dark-soft); }
.ink-soft { color: var(--ink-soft); }

.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--sp-4); margin-bottom: var(--sp-5); flex-wrap: wrap; }

/* ---------------- Hero ---------------- */
.hero {
  padding-top: var(--sp-6);
  padding-bottom: var(--sp-7);
}
.hero-lead { margin-bottom: var(--sp-5); }
.hero-heading {
  font-size: clamp(2.75rem, 8.5vw, 6.75rem);
  max-width: 12ch;
  font-weight: var(--font-display-weight);
  letter-spacing: -0.035em;
}
.hero-count {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 6vw, 4rem);
  color: var(--ink-faint);
}
.hero-sub {
  margin-top: var(--sp-4);
  max-width: 32ch;
  font-size: 1.05rem;
  color: var(--ink-soft);
}
.hero-top-row { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--sp-4); }

.hero-featured {
  margin-top: var(--sp-5);
  margin-bottom: var(--sp-6);
}
.hero-featured-frame {
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--bg-raised);
  aspect-ratio: 3 / 2;
  width: 100%;
}
.hero-featured-frame .pic { width: 100%; height: 100%; }
.hero-featured-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }

body.has-intro .hero-featured { opacity: 0; }
body.intro-done .hero-featured {
  animation: hero-featured-in 900ms cubic-bezier(0.16, 1, 0.3, 1) both;
}
@keyframes hero-featured-in {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: none; }
}

/* ---------------- Selected / highlight gallery (horizontal pin-scroll) --- */
.selected {
  position: relative;
  background: var(--bg);
}
.selected-sticky {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  width: 100%;
  min-width: 0;
  min-height: 100svh;
  min-height: var(--selected-min-h, 100dvh);
  padding-top: calc(var(--header-h) + var(--sp-3));
  padding-bottom: max(var(--sp-4), env(safe-area-inset-bottom, 0px));
  background: var(--bg);
  touch-action: pan-y;
}
.selected-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-4);
  margin-bottom: var(--sp-4);
}
.selected-title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: var(--font-display-weight);
}
.selected-count {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--ink-faint);
}

.highlight-track {
  /* Height-driven sizing: every card shares a common frame height,
     so portraits and landscapes stay orientation-agnostic on desktop.
     dvh keeps things stable across mobile browser chrome; the px cap
     prevents oversize frames on tall external monitors. */
  --frame-h: min(62dvh, 620px);
  --frame-h-port: min(70dvh, 700px);
  --hi-lift-max: min(var(--hi-lift, 0px), 18dvh);
  display: block;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  min-height: var(--highlight-track-min-h);
  overflow-x: hidden;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  scroll-snap-type: none;
  touch-action: pan-y;
  cursor: grab;
  padding: var(--sp-2) var(--gutter) var(--sp-3);
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.highlight-track:active { cursor: grabbing; }
.highlight-track::-webkit-scrollbar { display: none; }

.highlight-rail {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: flex-end;
  gap: clamp(0.7rem, 2.2vw, 2rem);
  width: max-content;
  min-width: 100%;
  min-height: calc(var(--frame-h-port) + 18dvh);
}
.highlight-spacer { display: none; }
.highlight-media { display: block; width: 100%; height: 100%; }

.highlight-item {
  position: relative;
  display: block;
  flex: 0 0 auto;
  /* Width follows aspect ratio at a common height, so all shapes align
     visually. Portraits get a slightly taller frame per design brief. */
  width: min(calc(var(--frame-h) * var(--ar, 1.5)), 72vw);
  height: var(--frame-h);
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--bg-raised);
  user-select: none;
  cursor: zoom-in;
}
.highlight-item[data-align="start"] {
  align-self: flex-start;
  margin-top: var(--hi-lift-max, 0px);
  margin-bottom: 0;
}
.highlight-item[data-align="center"] {
  align-self: center;
  margin-top: calc(var(--hi-lift-max, 0px) * 0.4);
  margin-bottom: calc(var(--hi-lift-max, 0px) * 0.6);
}
.highlight-item[data-align="end"] {
  align-self: flex-end;
  margin-top: 0;
  margin-bottom: var(--hi-lift-max, 0px);
}
.highlight-item[data-shape="land"] {
  width: min(calc(var(--frame-h) * var(--ar, 1.5)), 78vw);
  height: var(--frame-h);
}
.highlight-item[data-shape="port"] {
  width: min(calc(var(--frame-h-port) * var(--ar, 0.67)), 52vw);
  height: var(--frame-h-port);
}
.highlight-item[data-shape="sq"] {
  width: min(calc(var(--frame-h) * var(--ar, 1)), 60vw);
  height: var(--frame-h);
}
.highlight-item .frame {
  width: 100%;
  height: 100%;
  aspect-ratio: var(--ar, 3 / 2);
}
.highlight-item .pic,
.highlight-item .pic img,
.highlight-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.highlight-track[data-stagger="linear"] .highlight-item:nth-of-type(3n+1) { align-self: flex-start; margin-top: 8vh; margin-bottom: 0; }
.highlight-track[data-stagger="linear"] .highlight-item:nth-of-type(3n+2) { align-self: center; margin-top: 4vh; margin-bottom: 6vh; }
.highlight-track[data-stagger="linear"] .highlight-item:nth-of-type(3n) { align-self: flex-end; margin-top: 0; margin-bottom: 10vh; }
.highlight-track[data-stagger="none"] .highlight-item { align-self: flex-end; margin-top: 0; margin-bottom: 0; }
.highlight-item .frame { overflow: hidden; }
.highlight-item .pic { display: block; width: 100%; height: 100%; overflow: hidden; }
.highlight-item img { width: 100%; height: 100%; display: block; object-fit: cover; transition: transform var(--dur-med) var(--ease); pointer-events: none; }
@media (hover: hover) and (pointer: fine) {
  .highlight-item:hover img { transform: scale(1.04); }
  .highlight-item:hover .arrow { transform: translate(3px, -3px); }
}

/* Slide-in on the frame so jitter (margins/align) is not overwritten */
body.has-intro .highlight-item { opacity: 0; }
body.intro-done .highlight-item {
  animation: hi-fade-in 700ms cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: calc(90ms * var(--hi-i, 0) + 280ms);
}
body.intro-done .highlight-item .frame {
  animation: hi-slide-in 900ms cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: calc(90ms * var(--hi-i, 0) + 280ms);
}
@keyframes hi-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes hi-slide-in {
  from { transform: translateX(48px); }
  to   { transform: none; }
}
.highlight-caption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: var(--sp-4);
  display: flex; justify-content: space-between; align-items: flex-end; gap: var(--sp-2);
  background: linear-gradient(180deg, transparent, rgba(0,0,0,0.55));
  color: #fff;
}
.highlight-caption .title { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; }
.highlight-caption .meta { font-family: var(--font-mono); font-size: 0.7rem; opacity: 0.85; }
.highlight-caption .arrow { font-size: 1.3rem; transition: transform var(--dur-fast) var(--ease); }

.selected-strip {
  margin-top: auto;
  width: 100%;
  min-width: 0;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-x;
  scrollbar-width: none;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(0.95rem, 3.4vw, 1.15rem);
  letter-spacing: 0.06em;
  text-transform: lowercase;
  background: none;
}
.selected-strip::-webkit-scrollbar { display: none; }
.selected-strip-rail {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.85em;
  box-sizing: border-box;
  min-width: 100%;
  width: max-content;
  padding: var(--sp-4) var(--gutter) var(--sp-3);
}
.selected-strip a {
  flex: 0 0 auto;
  color: var(--ink);
  padding: 0.35rem 0;
  white-space: nowrap;
}
.selected-strip a:hover { color: var(--accent); }
.selected-strip-dot {
  flex: 0 0 auto;
  width: 0.28em;
  height: 0.28em;
  border-radius: 50%;
  background: var(--ink);
  pointer-events: none;
}

@media (max-width: 799px) {
  .selected {
    z-index: 2;
    scroll-margin-top: 0;
  }
  .selected-sticky {
    position: sticky;
    top: 0;
    height: 100svh;
    height: 100dvh;
    min-height: 100svh;
    min-height: 100dvh;
    padding-top: calc(var(--header-h) + 0.25rem);
    padding-bottom: max(0.55rem, env(safe-area-inset-bottom, 0px));
    touch-action: pan-y;
  }
  .selected-head {
    margin-bottom: 0.2rem;
    gap: var(--sp-2);
  }
  .selected-title {
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--ink-soft);
  }
  .selected-count { font-size: 0.7rem; }
  .highlight-track {
    /* Enlarge landscape slightly, give portraits their own taller frame
       so the strip feels balanced in mobile portrait viewing. */
    --frame-h: min(62dvh, calc(100dvh - var(--header-h) - 7rem));
    --frame-h-port: min(68dvh, calc(100dvh - var(--header-h) - 6rem));
    --hi-gap: 0.5rem;
    container-type: size;
    display: block;
    flex: 1 1 auto;
    min-width: 0;
    min-height: 0;
    height: auto;
    padding: 0;
    gap: 0;
    overflow: hidden;
    touch-action: pan-y;
    cursor: grab;
  }
  .highlight-rail {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    gap: var(--hi-gap);
    width: max-content;
    height: 100%;
    min-height: 100%;
    padding-bottom: 0.1rem;
    will-change: transform;
    transform: translate3d(0, 0, 0);
  }
  .highlight-spacer {
    display: block;
    flex: 0 0 max(50vw, 50cqi);
    width: max(50vw, 50cqi);
    min-width: max(50vw, 50cqi);
    pointer-events: none;
  }
  .highlight-item,
  .highlight-item[data-align="start"],
  .highlight-item[data-align="center"],
  .highlight-item[data-align="end"],
  .highlight-track[data-stagger="linear"] .highlight-item:nth-of-type(3n+1),
  .highlight-track[data-stagger="linear"] .highlight-item:nth-of-type(3n+2),
  .highlight-track[data-stagger="linear"] .highlight-item:nth-of-type(3n),
  .highlight-track[data-stagger="none"] .highlight-item {
    align-self: center;
    margin-top: 0;
    margin-bottom: 0;
  }
  .highlight-item,
  .highlight-item[data-shape="land"] {
    width: min(calc(var(--frame-h) * var(--ar, 1.5)), max(92vw, 92cqi));
    height: auto;
    overflow: visible;
    background: none;
    border-radius: 0;
  }
  .highlight-item[data-shape="port"] {
    width: min(calc(var(--frame-h-port, var(--frame-h)) * var(--ar, 0.67)), max(74vw, 74cqi));
    height: auto;
  }
  .highlight-item[data-shape="sq"] {
    width: min(calc(var(--frame-h) * var(--ar, 1)), max(82vw, 82cqi));
    height: auto;
  }
  .highlight-media {
    transform-origin: 50% 50%;
    will-change: transform, opacity;
  }
  .highlight-item .frame {
    width: 100%;
    aspect-ratio: var(--ar, 3 / 2);
    border-radius: var(--radius);
    background: var(--bg-raised);
    overflow: hidden;
  }
  .highlight-item .pic,
  .highlight-item .pic img,
  .highlight-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .highlight-caption {
    position: static;
    left: auto;
    right: auto;
    bottom: auto;
    padding: 0.42rem 2px 0;
    background: none;
    color: var(--ink);
    display: block;
  }
  .highlight-caption .title {
    font-size: 0.92rem;
    font-weight: 600;
    letter-spacing: -0.02em;
  }
  .highlight-caption .meta {
    font-size: 0.62rem;
    letter-spacing: 0.04em;
    opacity: 1;
    color: var(--ink-soft);
  }
  .selected-strip { font-size: 0.92rem; }
  .selected-strip-rail { padding: 0.5rem var(--gutter) 0.1rem; }
  body.intro-done .highlight-item .frame {
    animation-name: hi-fade-in;
  }
}

@media (max-width: 799px) and (orientation: landscape) and (max-height: 540px) {
  .selected-sticky {
    height: 100svh;
    height: 100dvh;
    min-height: 100svh;
    min-height: 100dvh;
    padding-top: calc(var(--header-h) + 0.1rem);
    padding-bottom: max(0.3rem, env(safe-area-inset-bottom, 0px));
  }
  .highlight-track {
    /* Mobile landscape (rare): keep both frames short so nothing clips. */
    --frame-h: min(48dvh, calc(100dvh - var(--header-h) - 4.75rem));
    --frame-h-port: min(58dvh, calc(100dvh - var(--header-h) - 4rem));
  }
  .highlight-caption { padding-top: 0.22rem; }
  .highlight-caption .title { font-size: 0.78rem; }
  .selected-strip { font-size: 0.82rem; }
  .selected-strip-rail { padding-top: 0.3rem; }
}

@media (prefers-reduced-motion: reduce) {
  .highlight-media {
    transform: none;
    opacity: 1;
    will-change: auto;
  }
}

/* ---------------- Work previews (vertical scroll, name over image) --- */
.work-previews {
  position: relative;
  z-index: 3;
  display: block;
}
.work-preview {
  position: sticky;
  top: 0;
  display: block;
  height: 100svh;
  height: 100dvh;
  min-height: 100svh;
  min-height: 100dvh;
  overflow: hidden;
  background: var(--surface-dark);
  color: var(--on-dark);
}
.work-preview-media {
  position: absolute;
  inset: 0;
}
.work-preview-media .pic {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  aspect-ratio: auto !important;
}
.work-preview-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 900ms var(--ease);
}
.work-preview:hover .work-preview-media img { transform: scale(1.04); }
.work-preview-caption {
  position: absolute;
  left: var(--gutter);
  right: var(--gutter);
  bottom: auto;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  z-index: 2;
}
.work-preview-name {
  font-family: var(--font-display);
  font-weight: var(--font-display-weight);
  font-size: clamp(2.75rem, 8vw, 6.5rem);
  letter-spacing: -0.03em;
  line-height: 0.9;
  text-shadow: 0 2px 28px rgba(17, 16, 12, 0.42);
}
.work-preview-kind {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(236, 234, 228, 0.78);
}
.work-preview::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(17, 16, 12, 0.12) 0%,
    rgba(17, 16, 12, 0.38) 46%,
    rgba(17, 16, 12, 0.38) 58%,
    rgba(17, 16, 12, 0.16) 100%
  );
  pointer-events: none;
}

@media (max-width: 799px) {
  /* Visible band sits under the sticky header so the full frame can fit */
  .work-preview-media {
    top: var(--header-h);
    bottom: env(safe-area-inset-bottom, 0px);
  }
  .work-preview-media img {
    object-fit: contain;
    object-position: center;
  }
  .work-preview-caption {
    top: calc(var(--header-h) + (100% - var(--header-h)) * 0.5);
  }
}

/* ---------------- Grids ---------------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--sp-5);
}

.card { display: block; }
.card .frame { overflow: hidden; border-radius: var(--radius); background: var(--bg-raised); }
.card .pic { display: block; width: 100%; }
.card img { width: 100%; height: auto; display: block; transition: transform var(--dur-med) var(--ease); }
.card:hover img { transform: scale(1.05); }
.card-body { margin-top: var(--sp-2); }
.card-title { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; }
.card-meta { margin-top: 2px; font-family: var(--font-mono); font-size: 0.75rem; color: var(--ink-faint); }

.tag-row { display: flex; flex-wrap: wrap; gap: var(--sp-1); }
.chip {
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.04em; text-transform: uppercase;
  padding: 4px 10px; border: 1px solid var(--line-strong); border-radius: 999px; color: var(--ink-soft);
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.on-dark .chip { border-color: var(--on-dark-line); color: var(--on-dark-soft); }

/* ---------------- Buttons / links ---------------- */
.btn {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  font-family: var(--font-mono); font-size: 0.85rem; letter-spacing: 0.04em; text-transform: uppercase;
  padding: var(--sp-2) var(--sp-4);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.btn:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.on-dark .btn { border-color: var(--on-dark-line); }
.on-dark .btn:hover { background: var(--on-dark); color: var(--surface-dark); }

.text-link { border-bottom: 1px solid var(--line-strong); padding-bottom: 1px; transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease); }
.text-link:hover { border-color: var(--accent); color: var(--accent); }

/* ---------------- About ---------------- */
.about-layout { display: grid; gap: var(--sp-6); }
@media (min-width: 900px) { .about-layout { grid-template-columns: 1.1fr 0.9fr; align-items: start; } }
.about-copy { font-size: 1.15rem; line-height: 1.7; max-width: 60ch; }
.about-copy p + p { margin-top: var(--sp-4); }
.about-facts { display: grid; gap: var(--sp-4); align-content: start; }
.fact dt { font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--on-dark-soft); }
.fact dd { margin: 4px 0 0; font-size: 1.05rem; }

/* ---------------- Project / Series detail ---------------- */
.detail-hero { padding-top: var(--sp-6); }
.detail-title { font-size: clamp(2.5rem, 8vw, 5rem); }
.detail-cover { margin-top: var(--sp-5); overflow: hidden; border-radius: var(--radius); }
.detail-cover .pic { display: block; width: 100%; }
.detail-cover img { width: 100%; height: auto; display: block; }
.meta-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: var(--sp-4); margin-top: var(--sp-6); padding-top: var(--sp-5); border-top: 1px solid var(--line); }
.on-dark .meta-grid { border-color: var(--on-dark-line); }
.detail-copy { max-width: 68ch; margin-top: var(--sp-5); font-size: 1.05rem; line-height: 1.7; color: var(--ink-soft); }
.detail-copy p + p { margin-top: var(--sp-3); }
.on-dark .detail-copy { color: var(--on-dark-soft); }

.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--sp-4); margin-top: var(--sp-6); grid-auto-flow: dense; }
.gallery-item { position: relative; cursor: zoom-in; }
.gallery-item .frame { overflow: hidden; border-radius: var(--radius); background: var(--bg-raised); }
.gallery-item .pic { display: block; width: 100%; }
.gallery-item img { width: 100%; height: auto; display: block; transition: transform var(--dur-med) var(--ease); }
.gallery-item:hover img { transform: scale(1.04); }
.gallery-caption { margin-top: var(--sp-1); font-size: 0.85rem; color: var(--ink-faint); }

.more-row { display: flex; gap: var(--sp-4); overflow-x: auto; margin-top: var(--sp-5); padding-bottom: var(--sp-2); }
.more-row .card { flex: 0 0 220px; }

/* ---------------- Lightbox ---------------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(11, 10, 6, 0.96);
  color: var(--on-dark);
  display: flex;
  flex-direction: column;
  padding: calc(env(safe-area-inset-top, 8px) + 0.35rem) var(--gutter) env(safe-area-inset-bottom, 8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-med) var(--ease);
}
.lightbox.is-open { opacity: 1; pointer-events: auto; }
.lightbox.is-expanding { pointer-events: none; }

.lightbox-top,
.lightbox-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 0 0 auto;
  gap: var(--sp-3);
  z-index: 2;
}
.lightbox-bar[hidden],
.lightbox-prev[hidden],
.lightbox-next[hidden],
.lightbox-caption[hidden],
.lightbox-info[hidden],
.lightbox-story[hidden] {
  display: none !important;
}
.lightbox-top { padding: var(--sp-2) 0 var(--sp-1); }
.lightbox-bar { padding: var(--sp-2) 0; }
.lightbox-counter {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--on-dark-soft);
}
.lightbox-close,
.lightbox-prev,
.lightbox-next {
  color: var(--on-dark);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: var(--sp-1) var(--sp-3);
  border: 1px solid var(--on-dark-line);
  border-radius: 999px;
}
.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover { border-color: var(--on-dark); }
.lightbox-close:active,
.lightbox-prev:active,
.lightbox-next:active { transform: scale(0.98); }

.lightbox-stage {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
  touch-action: none;
  cursor: zoom-in;
}
.lightbox-stage.is-zoomed { cursor: grab; }
.lightbox-stage.is-zoomed:active { cursor: grabbing; }
.lightbox-track {
  display: flex;
  align-items: stretch;
  height: 100%;
  width: 300%;
  min-height: 0;
  will-change: transform;
  transform: translate3d(-33.333%, 0, 0);
}
.lightbox-track.is-snapping {
  transition: transform 520ms var(--ease);
}
.lightbox-slide {
  flex: 0 0 33.333%;
  width: 33.333%;
  height: 100%;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.lightbox-slide img:not([src]),
.lightbox-slide img[src=""] { visibility: hidden; }
.lightbox-slide img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transform-origin: center center;
  user-select: none;
  -webkit-user-drag: none;
  border-radius: var(--radius);
}

.lightbox-meta {
  flex: 0 1 auto;
  max-height: 28vh;
  overflow-y: auto;
  padding: 0 0 var(--sp-3);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  transition: opacity 280ms var(--ease);
}
.lightbox.is-swiping .lightbox-meta { opacity: 0.28; }
.lightbox.has-sheet .lightbox-meta { padding-bottom: 2.75rem; }
.lightbox.has-sheet.is-sheet-open .lightbox-meta { padding-bottom: min(42vh, 20rem); }
.lightbox.is-sheet-commit .lightbox-stage { opacity: 0.55; }
.lightbox.is-expanding .lightbox-top,
.lightbox.is-expanding .lightbox-bar,
.lightbox.is-expanding .lightbox-stage,
.lightbox.is-expanding .lightbox-meta {
  opacity: 0;
  transition: opacity 320ms var(--ease);
}
.lightbox-caption {
  color: var(--on-dark);
  font-size: 0.95rem;
  max-width: 62ch;
}
.lightbox-info {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1) var(--sp-4);
  color: var(--on-dark-soft);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}
.lightbox-story {
  color: var(--on-dark-soft);
  font-size: 0.95rem;
  line-height: 1.55;
  max-width: 62ch;
  white-space: pre-wrap;
}

/* Half-card: mobile sheet. Rounded independently of the site's 3px photo radius. */
.lightbox-sheet {
  --sheet-peek: 1.85rem;
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 4;
  background: var(--bg);
  color: var(--ink);
  border-radius: 22px 22px 0 0;
  padding: 0 var(--gutter) calc(var(--sp-4) + env(safe-area-inset-bottom, 0px));
  transform: translate3d(0, calc(100% - var(--sheet-peek)), 0);
  transition: transform 420ms var(--ease);
  box-shadow: 0 -18px 50px rgba(23, 22, 15, 0.22);
  overflow: hidden;
  touch-action: none;
  will-change: transform;
}
.lightbox-sheet.is-open { transform: translate3d(0, 0, 0); }
.lightbox-sheet.is-dragging { transition: none; }
.lightbox-sheet[hidden] { display: none !important; }
.lightbox-sheet-handle {
  display: flex;
  justify-content: center;
  width: 100%;
  padding: 0.7rem 0 0.35rem;
}
.lightbox-sheet-knob {
  width: 40px;
  height: 4px;
  border-radius: 999px;
  background: var(--line-strong);
}
.lightbox-sheet-body {
  padding-top: 0.15rem;
  padding-bottom: var(--sp-1);
}
.lightbox-sheet-kind {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.lightbox-sheet-title {
  font-family: var(--font-display);
  font-weight: var(--font-display-weight);
  font-size: clamp(1.55rem, 6vw, 2.15rem);
  letter-spacing: -0.035em;
  line-height: 1.05;
  padding: 0.2rem 0 0.15rem;
}
.lightbox-sheet-thumbs {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  margin: 0.85rem 0 0;
  padding-bottom: 0.1rem;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  touch-action: pan-x;
}
.lightbox-sheet-thumbs::-webkit-scrollbar { display: none; }
.lightbox-sheet-thumbs[hidden] { display: none !important; }
.lightbox-sheet-thumb {
  flex: 0 0 auto;
  width: 4.35rem;
  height: 5.25rem;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-raised);
  scroll-snap-align: start;
}
.lightbox-sheet-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.lightbox-sheet-link {
  display: inline-block;
  margin-top: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}
.lightbox-sheet-link:hover,
.lightbox-sheet.is-commit .lightbox-sheet-link {
  color: var(--accent);
  border-color: var(--accent);
}

@media (min-width: 800px) {
  .lightbox-sheet {
    left: 50%;
    right: auto;
    width: min(420px, calc(100% - 2 * var(--gutter)));
    bottom: var(--sp-4);
    border-radius: 20px;
    transform: translateX(-50%);
    padding-bottom: var(--sp-4);
    will-change: auto;
  }
  .lightbox-sheet.is-open { transform: translateX(-50%); }
  .lightbox.has-sheet .lightbox-meta,
  .lightbox.has-sheet.is-sheet-open .lightbox-meta { padding-bottom: var(--sp-3); }
  .lightbox-sheet-handle { display: none; }
  .lightbox.is-sheet-commit .lightbox-stage { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .lightbox-sheet { transition: none; }
}

@media (prefers-reduced-transparency: reduce) {
  .lightbox { background: #17160f; }
}

/* Half-card → collection page: expanding surface + shared title */
.sheet-expand {
  position: fixed;
  inset: 0;
  z-index: 400;
  pointer-events: none;
  background: var(--bg);
  color: var(--ink);
  overflow: hidden;
  clip-path: inset(0);
}
.sheet-expand-hero {
  padding-top: calc(var(--header-h) + var(--sp-6));
}
.sheet-expand-hero .label {
  opacity: 0;
  transition: opacity 420ms var(--ease) 180ms;
}
.sheet-expand.is-on .sheet-expand-hero .label { opacity: 1; }
.sheet-expand-title {
  margin-top: 1rem;
  transform-origin: 0 0;
  will-change: transform;
  transition: transform 780ms var(--ease);
}
.sheet-expand-thumbs {
  position: absolute;
  display: flex;
  gap: 0.4rem;
  overflow: hidden;
  margin: 0;
  pointer-events: none;
  transition: opacity 320ms var(--ease), transform 780ms var(--ease);
}
.sheet-expand.is-on .sheet-expand-thumbs {
  opacity: 0;
  transform: translate3d(0, -28px, 0);
}
.sheet-expand-thumbs img {
  width: 4.35rem;
  height: 5.25rem;
  object-fit: cover;
  border-radius: var(--radius);
}

html.from-sheet .detail-title.reveal,
html.from-sheet .detail-title.reveal.is-in {
  opacity: 1;
  transform: none;
  transition: none;
}
html.from-sheet .site-header {
  animation: sheetArriveFade 520ms var(--ease) both;
}
html.from-sheet .detail-cover.reveal {
  transition-delay: 60ms;
}

@keyframes sheetArriveFade {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .lightbox-track.is-snapping { transition: none; }
  .sheet-expand,
  .sheet-expand-title,
  .sheet-expand-thumbs,
  .sheet-expand-hero .label { transition: none; }
  html.from-sheet .site-header { animation: none; }
}

/* ---------------- Timeline (horizontal, newest first) ---------------- */
body.is-timeline {
  --header-h: 3.35rem;
  background: var(--bg);
  overflow: hidden;
}
body.is-timeline .site-footer { display: none; }
body.is-timeline .site-header {
  min-height: var(--header-h);
  padding-block: 0.45rem;
}

.timeline {
  background: var(--bg);
}
.timeline-sticky {
  position: relative;
  display: flex;
  flex-direction: column;
  height: calc(100dvh - var(--header-h));
  min-height: calc(100dvh - var(--header-h));
  background: var(--bg);
  overflow: hidden;
}
.timeline-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-3);
  padding: 0.4rem var(--gutter) 0.15rem;
  flex: 0 0 auto;
}
.timeline-title {
  font-size: clamp(1.05rem, 2.2vw, 1.5rem);
  font-weight: var(--font-display-weight);
}
.timeline-count {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-faint);
}

.timeline-track {
  --frame-h: min(64dvh, 720px);
  --tl-gap: clamp(0.55rem, 1.2vw, 1.05rem);
  container-type: inline-size;
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
  overscroll-behavior: none;
  touch-action: none;
  cursor: grab;
  background: var(--bg);
}
.timeline-track:active { cursor: grabbing; }

.timeline-rail {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: flex-start;
  gap: var(--tl-gap);
  padding-top: 0.2rem;
  padding-bottom: max(0.75rem, env(safe-area-inset-bottom, 0px));
  width: max-content;
  height: 100%;
  min-height: 100%;
  will-change: transform;
  transform: translate3d(0, 0, 0);
}

.timeline-spacer {
  flex: 0 0 50cqi;
  width: 50cqi;
  min-width: 50cqi;
  pointer-events: none;
}

.timeline-slot {
  position: relative;
  flex: 0 0 auto;
  width: min(calc(var(--frame-h) * var(--ar, 1.5)), 48cqi);
  margin: 0;
  background: none;
  user-select: none;
  cursor: zoom-in;
}
.timeline-slot[data-shape="land"] {
  align-self: center;
}
.timeline-slot[data-shape="port"] { width: min(calc(var(--frame-h) * var(--ar, 0.67)), 30cqi); }
.timeline-slot[data-shape="sq"] {
  width: min(calc(var(--frame-h) * var(--ar, 1)), 40cqi);
  align-self: center;
}
.timeline-slot.is-highlight {
  width: min(calc(var(--frame-h) * var(--ar, 1.5) * 1.05), 51cqi);
}
.timeline-slot.is-highlight[data-shape="port"] {
  width: min(calc(var(--frame-h) * var(--ar, 0.67) * 1.05), 32cqi);
}
.timeline-slot.is-highlight[data-shape="sq"] {
  width: min(calc(var(--frame-h) * var(--ar, 1) * 1.05), 42cqi);
}

.timeline-card {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.timeline-card-title {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 2.55rem;
  padding-inline: 2px;
}
.timeline-card-when {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
}
.timeline-card-series {
  font-family: var(--font-display);
  font-weight: var(--font-display-weight);
  font-size: clamp(0.95rem, 1.6vw, 1.15rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--ink);
  padding-bottom: 1px;
}
.timeline-card-media {
  position: relative;
  transform-origin: 50% 0;
  will-change: transform, opacity;
}
.timeline-slot .frame {
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--bg-raised);
  width: 100%;
  aspect-ratio: var(--ar, 3 / 2);
}
.timeline-slot .pic { display: block; width: 100%; height: 100%; overflow: hidden; }
.timeline-slot img { width: 100%; height: 100%; display: block; object-fit: cover; pointer-events: none; }

.timeline-star {
  position: absolute;
  top: -0.55rem;
  right: -0.7rem;
  z-index: 2;
  font-family: var(--font-intro);
  font-weight: var(--font-intro-weight);
  font-size: 0.95rem;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--ink-soft);
  pointer-events: none;
}

.timeline-card-meta {
  padding-inline: 2px;
  min-height: 0;
}
.timeline-card-caption {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--ink);
}
.timeline-card-camera {
  display: block;
  margin-top: 0.22rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}
.timeline-card-story {
  margin: 0.4rem 0 0;
  font-size: 0.78rem;
  line-height: 1.45;
  max-height: calc(1.45em * 3);
  overflow: hidden;
  color: var(--ink);
  -webkit-mask-image: linear-gradient(
    to bottom,
    rgb(0 0 0 / 0.7) 0,
    rgb(0 0 0 / 0.7) 1.35em,
    rgb(0 0 0 / 0.32) 2.9em,
    rgb(0 0 0 / 0) 4.35em
  );
  mask-image: linear-gradient(
    to bottom,
    rgb(0 0 0 / 0.7) 0,
    rgb(0 0 0 / 0.7) 1.35em,
    rgb(0 0 0 / 0.32) 2.9em,
    rgb(0 0 0 / 0) 4.35em
  );
}

.timeline-mark {
  flex: 0 0 5.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  align-self: stretch;
  justify-content: center;
  padding-top: 0;
  pointer-events: none;
}
.timeline-mark-body {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.timeline-mark-year {
  font-family: var(--font-display);
  font-weight: var(--font-display-weight);
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  letter-spacing: -0.045em;
  line-height: 1;
  color: var(--ink);
}
.timeline-mark-stem {
  width: 1px;
  height: 2.75rem;
  margin-top: 0.45rem;
  background: var(--line-strong);
}
.timeline-mark-dot {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.2rem;
  border-radius: 50%;
  background: var(--ink);
}

@media (max-width: 799px) {
  body.is-timeline { --header-h: 2.65rem; }
  body.is-timeline .site-header {
    min-height: var(--header-h);
    padding-block: 0.28rem;
  }
  .timeline-head {
    padding: 0.15rem var(--gutter) 0.05rem;
  }
  .timeline-title {
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--ink-soft);
  }
  .timeline-count { font-size: 0.7rem; }
  .timeline-track {
    --frame-h: min(52dvh, calc(100dvh - var(--header-h) - 6.5rem));
    --tl-gap: 0.45rem;
  }
  .timeline-rail { padding-top: 0; }
  .timeline-slot { width: min(calc(var(--frame-h) * var(--ar, 1.5)), 72cqi); }
  .timeline-slot[data-shape="port"] { width: min(calc(var(--frame-h) * var(--ar, 0.67)), 58cqi); }
  .timeline-slot[data-shape="sq"] { width: min(calc(var(--frame-h) * var(--ar, 1)), 64cqi); }
  .timeline-slot.is-highlight { width: min(calc(var(--frame-h) * var(--ar, 1.5) * 1.05), 76cqi); }
  .timeline-slot.is-highlight[data-shape="port"] { width: min(calc(var(--frame-h) * var(--ar, 0.67) * 1.05), 62cqi); }
  .timeline-slot.is-highlight[data-shape="sq"] { width: min(calc(var(--frame-h) * var(--ar, 1) * 1.05), 68cqi); }
  .timeline-star { right: -0.4rem; font-size: 0.82rem; }
  .timeline-card { gap: 0.35rem; }
  .timeline-card-title { min-height: 2.15rem; }
  .timeline-card-when { font-size: 0.62rem; }
  .timeline-card-series { font-size: 0.92rem; }
  .timeline-card-caption { font-size: 0.82rem; }
  .timeline-card-camera { font-size: 0.62rem; }
  .timeline-card-story { font-size: 0.72rem; }
  .timeline-mark { flex-basis: 3.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  .timeline-card-media {
    transform: none;
    opacity: 1;
    will-change: auto;
  }
}

/* ---------------- Gear ---------------- */
.gear-list { display: grid; gap: var(--sp-7); margin-top: var(--sp-6); }
.gear-item { display: grid; gap: var(--sp-4); }
@media (min-width: 800px) { .gear-item { grid-template-columns: 320px 1fr; align-items: start; } }
.gear-photo { aspect-ratio: 4/3; border-radius: var(--radius); overflow: hidden; background: var(--bg-raised); }
.gear-photo img { width: 100%; height: 100%; object-fit: cover; }
.gear-photo.is-placeholder { display: flex; align-items: center; justify-content: center; border: 1px dashed var(--line-strong); }
.gear-photo.is-placeholder span { font-family: var(--font-mono); font-size: 0.75rem; color: var(--ink-faint); text-align: center; padding: var(--sp-3); }
.gear-copy { font-size: 1.02rem; line-height: 1.7; color: var(--ink-soft); }
.gear-copy p + p { margin-top: var(--sp-3); }

/* ---------------- Empty state ---------------- */
.empty-state { padding: var(--sp-8) 0; text-align: left; }
.empty-state p { max-width: 42ch; color: var(--ink-soft); margin-top: var(--sp-2); }

/* ---------------- Footer ---------------- */
.site-footer { padding-block: var(--sp-7); border-top: 1px solid var(--on-dark-line); }
.footer-grid { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--sp-6); }
.footer-links { display: flex; flex-wrap: wrap; gap: var(--sp-5); font-family: var(--font-mono); font-size: 0.85rem; }
.footer-links a:hover { color: var(--accent); }
.footer-bottom { margin-top: var(--sp-6); display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--sp-2); font-size: 0.75rem; color: var(--on-dark-soft); font-family: var(--font-mono); }

/* ---------------- Journal ---------------- */
.journal-list { display: grid; gap: var(--sp-6); margin-top: var(--sp-6); }
.journal-item { display: grid; gap: var(--sp-4); padding-block: var(--sp-5); border-bottom: 1px solid var(--line); }
@media (min-width: 800px) { .journal-item { grid-template-columns: 200px 1fr; } }
.journal-date { font-family: var(--font-mono); font-size: 0.8rem; color: var(--ink-faint); }

/* ---------------- Welcome intro (homepage reload) ---------------------
   p1 staggered SKD enters in the middle of the right half
   dock: stack travels to the left and lines up (S / K / D)
   p2 canvas fills the viewport (letters stay docked)
   (*) starts mid-right, then rises to the top-right as SKD docks
   p3 photo fades in, still zoomed in
   p4 photo zooms out to fit the device (contain on phones)
   p5 shutters wipe the photo (SKD stays on top)
   p6 S/D clip-expand into Saikat / Das
   p7 name slides out; overlay leaves
------------------------------------------------------------------------ */
body.has-intro { overflow: hidden; }
body.has-intro .site-header,
body.has-intro main,
body.has-intro .site-footer { opacity: 0; }
body.intro-done { overflow: visible; }
body.is-timeline,
body.is-timeline.intro-done { overflow: hidden; }
body.intro-done .site-header,
body.intro-done main,
body.intro-done .site-footer { opacity: 1; transition: opacity 800ms var(--ease); }

.intro {
  position: fixed; inset: 0; z-index: 400;
  isolation: isolate;
  width: 100%;
  height: 100svh;
  height: 100dvh;
  background: var(--surface-dark);
  color: var(--on-dark);
  overflow: hidden;
  transition:
    background 420ms ease,
    color 420ms ease,
    transform 900ms cubic-bezier(0.86, 0, 0.07, 1),
    opacity 280ms ease 620ms;
}
.intro.is-gone { transform: translateY(-101%); opacity: 0; pointer-events: none; }
.intro.is-light { background: var(--bg); color: var(--ink); }

.intro-stage { position: absolute; inset: 0; pointer-events: none; }

.intro-letters {
  position: absolute;
  z-index: 5;
  left: 75%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  font-family: var(--font-intro);
  font-weight: var(--font-intro-weight);
  font-size: clamp(3.2rem, 9vw, 8rem);
  line-height: 0.78;
  letter-spacing: -0.02em;
  white-space: nowrap;
  color: var(--on-dark);
  transition:
    left 1100ms cubic-bezier(0.22, 1, 0.36, 1),
    top 1100ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 1100ms cubic-bezier(0.22, 1, 0.36, 1),
    opacity 500ms ease,
    color 520ms ease,
    mix-blend-mode 0s,
    text-shadow 420ms ease;
}
.intro.intro-dock .intro-letters {
  left: var(--gutter);
  top: 50%;
  transform: translate(0, -50%);
}
/* High-key intro frames would swallow cream type — difference keeps SKD visible
   in the same left stack until the name expands. */
.intro.intro-p2 .intro-letters,
.intro.intro-p3 .intro-letters,
.intro.intro-p4 .intro-letters {
  mix-blend-mode: difference;
}
.intro.intro-p5 .intro-letters,
.intro.intro-p6 .intro-letters,
.intro.intro-p7 .intro-letters {
  mix-blend-mode: normal;
  color: var(--ink);
  text-shadow: none;
}
.intro.intro-dock.intro-p7 .intro-letters {
  opacity: 0;
  transform: translate(-18vw, -50%);
  transition: opacity 600ms ease, transform 800ms cubic-bezier(0.7, 0, 0.3, 1), color 420ms ease;
}

.intro-letter {
  display: flex;
  align-items: baseline;
  width: max-content;
  font-family: var(--font-intro);
  font-weight: var(--font-intro-weight);
  will-change: transform, margin-left;
  transition:
    transform 900ms cubic-bezier(0.16, 1, 0.3, 1),
    margin-left 1000ms cubic-bezier(0.16, 1, 0.3, 1);
}
.intro-letter[data-letter="S"] { transition-delay: 0ms; }
.intro-letter[data-letter="K"] { margin-left: 0.85em; transition-delay: 110ms; }
.intro-letter[data-letter="D"] { margin-left: 1.7em; transition-delay: 220ms; }

.intro.intro-dock .intro-letter,
.intro.intro-p6 .intro-letter,
.intro.intro-p7 .intro-letter {
  margin-left: 0;
  transition-delay: 0ms;
}
.intro.intro-dock .intro-letter[data-letter="K"] { transition-delay: 90ms; }
.intro.intro-dock .intro-letter[data-letter="D"] { transition-delay: 180ms; }
.intro.intro-p6 .intro-letter[data-letter="K"] { transition-delay: 40ms; }
.intro.intro-p6 .intro-letter[data-letter="D"] { transition-delay: 80ms; }

.intro-clip { display: inline-block; overflow: hidden; vertical-align: bottom; flex: 0 0 auto; }
.intro-glyph {
  display: inline-block;
  font-family: var(--font-intro);
  font-weight: inherit;
  transform: translateY(110%);
  transition: transform 800ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* SKD → Saikat / Das: clip-expand from the stem, word slides out as one piece */
.intro-rest {
  display: grid;
  grid-template-columns: 0fr;
  overflow: hidden;
  min-width: 0;
  transition: grid-template-columns 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}
.intro-rest-inner {
  min-width: 0;
  overflow: hidden;
}
.intro-rest-word {
  display: block;
  width: max-content;
  white-space: nowrap;
  font-family: var(--font-intro);
  font-weight: inherit;
  transform: translateX(-0.4em);
  opacity: 0;
  transition:
    transform 1.2s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.45s ease 0.18s;
}
.intro.intro-p6 .intro-rest,
.intro.intro-p7 .intro-rest { grid-template-columns: 1fr; }
.intro.intro-p6 .intro-rest-word,
.intro.intro-p7 .intro-rest-word {
  transform: none;
  opacity: 1;
}

.intro:not(.intro-p1):not(.intro-p2):not(.intro-p3):not(.intro-p4):not(.intro-p5):not(.intro-p6):not(.intro-p7) .intro-letter[data-letter="S"] { transform: translateY(120vh); }
.intro:not(.intro-p1):not(.intro-p2):not(.intro-p3):not(.intro-p4):not(.intro-p5):not(.intro-p6):not(.intro-p7) .intro-letter[data-letter="K"] { transform: translateX(110vw); }
.intro:not(.intro-p1):not(.intro-p2):not(.intro-p3):not(.intro-p4):not(.intro-p5):not(.intro-p6):not(.intro-p7) .intro-letter[data-letter="D"] { transform: translateY(-120vh); }

.intro.intro-p1 .intro-letter,
.intro.intro-p2 .intro-letter,
.intro.intro-p3 .intro-letter,
.intro.intro-p4 .intro-letter,
.intro.intro-p5 .intro-letter,
.intro.intro-p6 .intro-letter { transform: none; }
.intro.intro-p1 .intro-glyph,
.intro.intro-p2 .intro-glyph,
.intro.intro-p3 .intro-glyph,
.intro.intro-p4 .intro-glyph,
.intro.intro-p5 .intro-glyph,
.intro.intro-p6 .intro-glyph,
.intro.intro-p7 .intro-glyph { transform: none; }

.intro-star {
  position: absolute;
  z-index: 5;
  right: var(--gutter);
  top: 50%;
  font-family: var(--font-intro);
  font-weight: var(--font-intro-weight);
  font-size: clamp(1.8rem, 4.6vw, 3.75rem);
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--on-dark-soft);
  opacity: 0;
  transform: translateY(-50%);
  transition:
    opacity 500ms ease,
    top 1100ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 1100ms cubic-bezier(0.22, 1, 0.36, 1),
    color 420ms ease;
}
.intro.intro-p1 .intro-star {
  opacity: 1;
  top: 50%;
  transform: translateY(-50%);
}
.intro.intro-dock .intro-star,
.intro.intro-p2 .intro-star,
.intro.intro-p3 .intro-star,
.intro.intro-p4 .intro-star,
.intro.intro-p5 .intro-star,
.intro.intro-p6 .intro-star {
  opacity: 1;
  top: var(--sp-4);
  transform: none;
}
.intro.intro-p7 .intro-star { opacity: 0; }
.intro.is-light .intro-star { color: var(--ink-soft); }

/* Full visual viewport: cover the live browser chrome, not just 100vh */
.intro-frame {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: auto;
  height: auto;
  overflow: hidden;
  background: var(--surface-dark-raised);
  opacity: 0;
  transform: scale(0.12);
  transform-origin: center center;
  transition:
    transform 900ms cubic-bezier(0.86, 0, 0.07, 1),
    opacity 280ms ease;
}
.intro.intro-p2 .intro-frame,
.intro.intro-p3 .intro-frame,
.intro.intro-p4 .intro-frame,
.intro.intro-p5 .intro-frame {
  opacity: 1;
  transform: scale(1);
}
.intro.intro-p6 .intro-frame,
.intro.intro-p7 .intro-frame {
  /* Covered by shutters; hide instantly so it does not fade on its own */
  opacity: 0;
  transform: scale(1);
  transition: none;
  visibility: hidden;
}
.intro-frame-inner { position: absolute; inset: 0; }
.intro-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-width: 100%;
  min-height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  transform: scale(var(--intro-zoom-start));
  transform-origin: center center;
  transition: opacity 700ms ease, transform 2400ms cubic-bezier(0.16, 1, 0.3, 1);
}
.intro.intro-p3 .intro-photo {
  opacity: 1;
  transform: scale(var(--intro-zoom-start));
}
.intro.intro-p4 .intro-photo,
.intro.intro-p5 .intro-photo {
  opacity: 1;
  transform: scale(var(--intro-zoom-end));
}
/* Phones, and short landscape: contain from the start so zoom-out is a true
   scale-to-fit. Desktop stays cover. */
@media (max-width: 799px), (orientation: landscape) and (max-height: 540px) {
  .intro-photo {
    object-fit: contain;
    min-width: 0;
    min-height: 0;
  }
  .intro-fit-cover .intro-photo {
    object-fit: cover;
    min-width: 100%;
    min-height: 100%;
  }
}

.intro-shutter {
  position: absolute;
  z-index: 3;
  left: 0; right: 0;
  height: 50%;
  background: var(--bg);
  transition: transform 880ms cubic-bezier(0.86, 0, 0.07, 1);
  will-change: transform;
}
.intro-shutter-top { top: 0; transform: translateY(-101%); }
.intro-shutter-bot { bottom: 0; transform: translateY(101%); }
.intro.intro-p5 .intro-shutter-top,
.intro.intro-p5 .intro-shutter-bot { transform: translateY(0); }
.intro.intro-p6 .intro-shutter-top,
.intro.intro-p7 .intro-shutter-top { transform: translateY(-101%); }
.intro.intro-p6 .intro-shutter-bot,
.intro.intro-p7 .intro-shutter-bot { transform: translateY(101%); }

.intro-foot {
  position: absolute;
  z-index: 6;
  left: var(--gutter); bottom: var(--sp-5);
  display: flex; justify-content: space-between;
  width: calc(100% - var(--gutter) * 2);
  font-family: var(--font-mono);
  font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--on-dark-soft);
  transition: color 300ms ease, opacity 300ms ease;
}
.intro.is-light .intro-foot { color: var(--ink-soft); }
.intro.intro-p6 .intro-foot,
.intro.intro-p7 .intro-foot { opacity: 0; }
[data-intro-count] { font-variant-numeric: tabular-nums; }

@media (max-width: 720px) {
  .intro-letters {
    font-size: clamp(2.6rem, 16vw, 4.2rem);
  }
  .intro-letter[data-letter="K"] { margin-left: 0.7em; }
  .intro-letter[data-letter="D"] { margin-left: 1.4em; }
}

@media (prefers-reduced-motion: reduce) {
  .intro, .intro-letters, .intro-letter, .intro-glyph, .intro-rest, .intro-rest-word, .intro-star, .intro-frame, .intro-photo, .intro-shutter {
    transition: none !important; animation: none !important;
  }
}

/* ---------------- Intro type specimen -------------------------------- */
.intro-type { padding-block: var(--sp-8); }
.intro-type-kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.intro-type-head h1 { margin-top: var(--sp-2); }
.intro-type-head p {
  max-width: 54ch;
  margin-top: var(--sp-3);
  color: var(--ink-soft);
}
.intro-type-head code {
  font-family: var(--font-mono);
  font-size: 0.85em;
}
.intro-type-grid {
  display: grid;
  gap: var(--sp-6);
  margin-top: var(--sp-7);
  border-top: 1px solid var(--line);
}
@media (min-width: 900px) {
  .intro-type-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--sp-5); }
}
.intro-type-card {
  display: block;
  padding-top: var(--sp-4);
  border-top: 1px solid transparent;
}
.intro-type-card.is-current { border-top-color: var(--ink); }
.intro-type-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.intro-type-sample { margin-top: var(--sp-5); }
.intro-type-stagger,
.intro-type-lined {
  margin: 0;
  line-height: 0.78;
  letter-spacing: -0.02em;
}
.intro-type-stagger { font-size: clamp(3.2rem, 7vw, 5rem); }
.intro-type-stagger span,
.intro-type-lined span { display: block; }
.intro-type-stagger .is-k { margin-left: 0.85em; }
.intro-type-stagger .is-d { margin-left: 1.7em; }
.intro-type-lined {
  margin-top: var(--sp-4);
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  color: var(--ink-soft);
}
.intro-type-note {
  margin-top: var(--sp-4);
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--ink-soft);
  max-width: 28ch;
}
.intro-type-cta {
  margin-top: var(--sp-3);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
}
.intro-type-card:hover .intro-type-cta { color: var(--accent); }

/* ---------------- Scroll reveal ---------------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms var(--ease), transform 900ms var(--ease);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: translateY(0); }

.gallery-item.reveal { transition-delay: 40ms; }
.card.reveal { transition-delay: 60ms; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------------- Picture (natural aspect ratio) ---------------- */
.pic { display: block; width: 100%; overflow: hidden; }
.pic img { width: 100%; height: 100%; display: block; object-fit: cover; }
/* When we let natural aspect ratio own the box, image should follow container height */
.gallery-item .pic img,
.card .pic img,
.detail-cover .pic img { height: auto; }

@media (max-width: 799px) {
  .highlight-item .pic,
  .highlight-item .pic img,
  .highlight-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
}