/* Photo inspiration page — Pine Shadows Manor conversation, 2026-08-20.
   Palette from BKM/lowthian-brand.md (Warm Sand, Deep Red).
   No web fonts, no scripts, no third-party requests of any kind. */

:root {
  --sand:        #f5ede4;  /* Warm Sand — page ground */
  --sand-deep:   #ede1d3;  /* set-apart panel */
  --ink:         #2a2724;  /* body + headings   12.8:1 on sand */
  --ink-soft:    #3a342e;  /* captions          10.6:1 on sand */
  --red:         #8b0000;  /* Deep Red           8.6:1 on sand */

  /* Photograph sizing. These two numbers are the whole layout contract:
     no tile is ever wider than --photo-w, and the smallest source file in
     this set is 528px wide, so nothing is ever displayed above its native
     size. --photo-h keeps the five portraits from towering over the three
     landscapes; each figure computes its own width from its own ratio. */
  --photo-w: 420px;
  --photo-h: 680px;

  /* Conservative fallback so an unclassed figure still sizes to the
     smallest file in the set rather than losing max-width entirely. */
  --arw: 528;
  --arh: 960;

  --serif: Georgia, "Iowan Old Style", "Palatino Linotype", Palatino, "Times New Roman", serif;
  --sans:  system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--sand);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.7;
}

.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 3rem 1.25rem 5rem;
}

/* ---------- masthead ---------- */

.masthead { margin-bottom: 2.5rem; }

.rule {
  width: 68px;
  height: 3px;
  margin: 0 0 1.5rem;
  background: var(--red);
}

h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 6.5vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
}

/* ---------- running copy ---------- */

.prose { max-width: 34em; }
.prose p { margin: 0 0 1.25rem; }
.prose p:last-child { margin-bottom: 0; }

.intro  { margin-bottom: 3.5rem; font-size: 1.125rem; }
.outro  { margin-top: 3rem; }

.last-word {
  font-family: var(--serif);
  font-size: 1.1875rem;
  line-height: 1.55;
  margin-top: 1.75rem;
  padding-left: 1rem;
  border-left: 3px solid var(--red);
}

/* ---------- the seven ---------- */

.grid {
  display: grid;
  grid-template-columns: minmax(0, var(--photo-w));
  justify-content: start;
  gap: 3.25rem 2.5rem;
}

@media (min-width: 800px) {
  .grid {
    grid-template-columns: repeat(2, minmax(0, var(--photo-w)));
    align-items: start;
    justify-content: start;
  }

  /* The courtyard takes a full row.
     With eight photographs the rows pair well on their own — p1 and p2 are both
     landscapes and land within 25px of each other, p3+p4 and p5+p6 are portrait
     rows. That leaves the courtyard alone in the last row, where a half-width
     tile 231px tall looks stranded; a full row closes the grid instead. At
     620px it is well inside its 960px native width, so nothing is enlarged. */
  .grid > .p7 {
    grid-column: 1 / -1;
    --photo-w: 620px;
  }
}

/* Native pixel dimensions of each source file. These live here rather than in
   a style="" attribute on the figure because the page's own CSP is
   style-src 'self' — an inline style attribute is blocked, and the failure is
   invisible: the layout simply falls back to full width and the photographs
   get bigger. Caught on the live host, not locally, where there is no CSP. */
.p1 { --arw: 1280; --arh:  960; }   /* 01 on the porch          */
.p2 { --arw: 1440; --arh:  995; }   /* 02 by the window         */
.p3 { --arw:  528; --arh:  960; }   /* 03 crossword             */
.p4 { --arw:  720; --arh:  960; }   /* 04 arms around her       */
.p5 { --arw:  799; --arh:  856; }   /* 05 outside on a good day */
.p6 { --arw:  528; --arh:  960; }   /* 06 late afternoon        */
.p7 { --arw:  960; --arh:  528; }   /* 07 courtyard             */
.p8 { --arw:  528; --arh:  960; }   /* 08 from the doorway      */

figure {
  margin: 0;
  /* Never wider than the tile, never wider than the file itself, and never
     taller than --photo-h — the last term is the width this photograph would
     have at that height. */
  max-width: min(100%,
                 var(--photo-w),
                 calc(var(--arw) * 1px),
                 calc(var(--photo-h) * var(--arw) / var(--arh)));
}

figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 3px;
  background: var(--sand-deep);
  box-shadow: 0 1px 2px rgba(58, 42, 26, 0.18),
              0 8px 22px rgba(58, 42, 26, 0.13);
}

figcaption {
  margin-top: 1rem;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.6;
}

/* ---------- the one that is set apart ---------- */

/* On a phone this runs edge to edge, so the photograph inside it stays the
   same size as the seven above — a set-apart picture should not also be a
   smaller one. The negative margin exactly cancels .page's own padding. */
.aside-block {
  margin: 4.5rem -1.25rem 0;
  padding: 2.25rem 1.25rem;
  background: var(--sand-deep);
  border-left: 3px solid var(--red);
}

@media (min-width: 800px) {
  /* Narrower than the grid above it, so it reads as a card set to one side
     rather than a full-width banner with a dead half. */
  .aside-block {
    margin-inline: 0;
    padding: 2.75rem 2.5rem;
    max-width: 600px;
  }
}

/* ---------- links ---------- */

.prose a {
  color: var(--red);              /* 8.6:1 on sand */
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.prose a:hover { text-decoration-thickness: 2px; }

/* ---------- focus ---------- */

:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* ==========================================================================
   Interactive layer — lightbox, slideshow, entrance.
   Every rule below is inert until app.js builds the elements it targets, so
   the page degrades to the plain gallery above if the script never runs.
   ========================================================================== */

:root {
  --night:       #1d1a17;  /* lightbox ground                                */
  --night-text:  #f2e9de;  /* 14.6:1 on night                                */
  --night-muted: #d8cbbc;  /* 10.9:1 on night                                */
  --night-line:  #8a7d6f;  /*  4.3:1 on night — UI boundary, needs 3:1       */
  --gold:        #d4a574;  /* Warm Gold — 7.7:1 on night. Deep Red is only
                              1.7:1 there, so the brand accent switches to
                              gold inside the lightbox rather than going
                              unreadable on a dark ground.                   */
}

html.lb-open { overflow: hidden; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0; border: 0;
  clip-path: inset(50%);
  overflow: hidden; white-space: nowrap;
}

/* ---------- tiles become buttons ---------- */

.tile {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  color: inherit;
  cursor: zoom-in;
  border-radius: 3px;
  transition: transform 220ms cubic-bezier(.2,.7,.3,1),
              filter 220ms ease;
}

.tile:hover  { transform: translateY(-3px); filter: saturate(1.03); }
.tile:active { transform: translateY(-1px); }

.tile:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: 4px;
}

.pre-reveal { opacity: 0; }

/* ---------- play control on the page ---------- */

.playbar { margin: -1.75rem 0 3.25rem; }

.playbtn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  min-height: 44px;
  padding: .55rem 1.15rem;
  border: 2px solid var(--red);
  border-radius: 999px;
  background: none;
  color: var(--red);
  font: inherit;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease;
}

.playbtn svg { width: 15px; height: 15px; flex: none; }
.playbtn:hover { background: var(--red); color: var(--sand); }
.playbtn:focus-visible { outline: 3px solid var(--red); outline-offset: 3px; }

/* ---------- icons ---------- */

.lb svg, .playbtn svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.lb svg.ic-fill, .playbtn svg.ic-fill { fill: currentColor; stroke: none; }

/* ---------- lightbox ---------- */

.lb { position: fixed; inset: 0; z-index: 100; }

.lb__backdrop {
  position: absolute;
  inset: 0;
  background: var(--night);
}

.lb__dialog {
  position: relative;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  height: 100vh;
  height: 100dvh;
  color: var(--night-text);
}

.lb__dialog:focus { outline: none; }

.lb__stage {
  display: grid;
  grid-template-rows: minmax(0, 1fr);
  grid-template-columns: minmax(0, 1fr);
  min-height: 0;
  padding: 16px 16px 14px;
}

/* The native-width cap again, and this is where it matters most: a 528px file
   opened "large" on a 1440px screen must not be stretched to fill it. */
.lb__img {
  grid-area: 1 / 1;
  place-self: center;
  max-width: min(calc(var(--arw) * 1px), 100%);
  max-height: 100%;
  width: auto;
  height: auto;
  opacity: 0;
  pointer-events: none;
  border-radius: 2px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .55);
  transition: opacity 300ms ease;
}

.lb__img.is-current { opacity: 1; pointer-events: auto; }
.lb__img.is-instant { transition: none; }

.lb__bar {
  display: grid;
  gap: 1rem;
  justify-items: center;
  padding: 1rem 1rem calc(1.15rem + env(safe-area-inset-bottom, 0px));
}

.lb__meta {
  max-width: 56ch;
  text-align: center;
  padding-left: 0;
  border-left: 0 solid var(--gold);
  transition: padding-left 200ms ease;
}

.lb__meta.is-apart {
  text-align: left;
  padding-left: 1rem;
  border-left-width: 3px;
}

.lb__count {
  margin: 0 0 .4rem;
  color: var(--night-muted);
  font-size: .8125rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.lb__caption {
  margin: 0;
  font-size: 1rem;
  line-height: 1.6;
}

.lb__controls { display: flex; gap: .5rem; align-items: center; }

.lb__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  min-width: 48px;
  min-height: 48px;
  padding: 0 .85rem;
  border: 1px solid var(--night-line);
  border-radius: 999px;
  background: none;
  color: var(--night-text);
  font: inherit;
  font-size: .9375rem;
  cursor: pointer;
  transition: background-color 180ms ease, border-color 180ms ease;
}

.lb__btn svg { width: 18px; height: 18px; flex: none; }
.lb__btn:hover { background: rgba(242, 233, 222, .12); border-color: var(--night-text); }
.lb__btn:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }
.lb__btn--play { padding: 0 1.05rem; }
.lb__btn-label { white-space: nowrap; }

@media (min-width: 800px) {
  .lb__stage { padding: 28px 28px 20px; }
  .lb__bar   { gap: 1.15rem; padding: 1.25rem 1.5rem 1.75rem; }
  .lb__caption { font-size: 1.0625rem; }
}

@media (max-width: 400px) {
  .lb__btn { padding: 0 .6rem; }
  .lb__btn--play { padding: 0 .8rem; }
  .lb__btn-label { font-size: .875rem; }
}

/* ---------- reduced motion ----------
   Every transition and animation above is switched off here. The slideshow is
   NOT removed — a viewer who presses Play still gets it, the swap is just
   instant. Auto-advance with an always-visible Pause satisfies WCAG 2.2.2;
   what reduced-motion asks us to drop is the animation, and this drops all of
   it: no entrance stagger, no cross-fade, no zoom, no hover lift. app.js reads
   the same query and skips the FLIP and entrance animations outright. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .tile:hover, .tile:active { transform: none; }
  .pre-reveal { opacity: 1; }
}