/* The Persian Gal — site styles.
   Composition per raha-runs/runs/v1-design/01_design_spec.md §5.
   Vocabulary (colours, scale, motion) lives in tokens.css. */

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

.masthead {
  position: sticky;
  top: 0;
  z-index: 30;
  background: color-mix(in srgb, var(--ink-000) 92%, transparent);
  border-bottom: 1px solid var(--hair-ink);
}

/* Paper pages get an ivory masthead; same structure, other material. */
body.ground-paper .masthead {
  background: color-mix(in srgb, var(--paper-000) 94%, transparent);
  border-bottom-color: var(--hair-paper);
}

.masthead-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px var(--pad-x) 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.lockup {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
}

.lockup .emblem {
  width: 26px;
  height: 26px;
  flex: 0 0 26px;
  color: var(--saffron);
}

body.ground-paper .lockup .emblem {
  color: var(--letter-000);
}

.lockup-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.lockup-name {
  font-family: var(--font-ui);
  font-size: var(--step-label);
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--ink-text-000);
  line-height: 1;
}

body.ground-paper .lockup-name {
  color: var(--letter-000);
}

.lockup-sub {
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-text-200);
  line-height: 1;
}

body.ground-paper .lockup-sub {
  color: var(--letter-200);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.9rem, 2vw, 1.8rem);
}

.site-nav a {
  position: relative;
  font-size: var(--step-label);
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--ink-text-100);
  text-decoration: none;
  padding-bottom: 6px;
}

body.ground-paper .site-nav a {
  color: var(--letter-200);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 1px;
  width: 0;
  background: var(--saffron);
  transition: width var(--mid) var(--ease);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--ink-text-000);
}

body.ground-paper .site-nav a:hover,
body.ground-paper .site-nav a:focus-visible {
  color: var(--letter-000);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a[aria-current="page"]::after {
  width: 100%;
}

.site-nav a[aria-current="page"] {
  color: var(--saffron);
}

/* Scroll position, drawn rather than animated. */
.scroll-rule {
  height: 1px;
  background: var(--saffron);
  transform: scaleX(var(--progress, 0));
  transform-origin: left center;
  opacity: 0.75;
}

@media (prefers-reduced-motion: reduce) {
  .scroll-rule {
    transform: none;
    opacity: 0;
  }
}

/* ------------------------------------------------------------ lookbook spread */

.lookbook {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

.spread {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gutter);
  align-items: center;
  padding: clamp(28px, 5vh, 64px) 0 clamp(40px, 7vh, 96px);
}

.plate {
  grid-column: 1 / span 7;
  position: relative;
  margin: 0;
  /* Bleed to the viewport edge on the left. */
  margin-left: calc(var(--pad-x) * -1);
  display: flex;
  align-items: stretch;
}

.plate-mat {
  position: relative;
  display: block;
  /* The plate is portrait: height drives the box, so the crop stays vertical at
     any viewport. A width-driven box would silently crop a portrait frame into a
     landscape one on wide screens. */
  aspect-ratio: var(--plate-ratio, 4 / 5);
  height: 84dvh;
  width: auto;
  max-width: 100%;
  cursor: zoom-in;
  border: 0;
  padding: 0;
  background: var(--ink-100);
  box-shadow: 0 0 0 1px var(--hair-ink);
  overflow: hidden;
}

.plate-mat img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: var(--focus, 50% 32%);
  background-color: var(--ink-100);
  background-size: cover;
  background-position: var(--focus, 50% 32%);
  transform: scale(1.005);
  transition: transform var(--slow) var(--ease), opacity var(--mid) var(--ease);
}

.plate-mat:hover img {
  transform: scale(1.022);
}

.plate-mat.is-loading img {
  opacity: 0;
}

.plate-stamp {
  position: absolute;
  left: 20px;
  bottom: 20px;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 7px 11px;
  border: 1px solid var(--hair-ink-strong);
  background: color-mix(in srgb, var(--ink-000) 72%, transparent);
  backdrop-filter: none;
}

.plate-stamp .num {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: var(--track-numeral);
  color: var(--saffron);
  line-height: 1;
}

.plate-stamp .of {
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-text-100);
}

/* Rail — the editorial column */

.rail {
  grid-column: 9 / span 4;
  align-self: center;
  padding-bottom: 6px;
}

.rail-kicker {
  margin: 0 0 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.rail-kicker .rule {
  flex: 1;
  height: 1px;
  background: var(--hair-ink);
}

.rail-title {
  font-size: var(--step-display);
  margin: 0 0 0.85rem;
}

.rail-rule {
  border: 0;
  border-top: 1px solid var(--hair-ink);
  margin: 0 0 1.15rem;
}

.rail-desc {
  margin: 0 0 1.4rem;
  max-width: 34ch;
  color: var(--ink-text-100);
}

.stamp {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 5px 9px;
  border: 1px solid var(--hair-ink-strong);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-text-100);
  margin-bottom: 1.5rem;
}

.stamp-spicy {
  border-color: color-mix(in srgb, var(--heat) 62%, transparent);
  color: var(--heat);
}

.stamp .dot {
  width: 5px;
  height: 5px;
  background: currentColor;
  display: inline-block;
}

/* Pager — numerals, not buttons in boxes */

.pager {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin: 0 0 1.6rem;
}

.pager button {
  -webkit-appearance: none;
  appearance: none;
  background: none;
  border: 0;
  padding: 12px 2px;
  min-height: 44px;
  min-width: 44px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: var(--track-numeral);
  color: var(--ink-text-100);
  cursor: pointer;
  transition: color var(--fast) var(--ease);
}

.pager button:hover:not(:disabled) {
  color: var(--saffron);
}

.pager button:disabled {
  opacity: 0.32;
  cursor: not-allowed;
}

.pager .track {
  flex: 1;
  height: 1px;
  background: var(--hair-ink);
  position: relative;
  max-width: 8rem;
}

.pager .track i {
  position: absolute;
  inset: 0 auto 0 0;
  background: var(--saffron);
  width: var(--pager-fill, 50%);
}

.pager .count {
  font-size: var(--step-caption);
  letter-spacing: 0.08em;
  color: var(--ink-text-100);
}

/* Action — an underlined verb, never a box */

.action {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  font-size: var(--step-label);
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--ink-text-000);
  text-decoration: none;
  border-bottom: 1px solid var(--saffron);
  padding-bottom: 4px;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.action:hover {
  color: var(--saffron);
}

.action .arrow {
  transition: transform var(--mid) var(--ease);
}

.action:hover .arrow {
  transform: translateX(4px);
}

.ground-paper .action {
  color: var(--letter-000);
}

.ground-paper .action:hover {
  color: var(--heat);
}

.ground-paper .action {
  border-bottom-color: var(--letter-000);
}

/* Gate card drops its blur — depth comes from the hairline, not from glass. */
.unlock {
  border: 1px solid var(--hair-ink-strong);
  background: var(--ink-050);
  padding: 1.7rem 1.5rem;
  max-width: 27rem;
}

.unlock p {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--step-lede);
  line-height: 1.32;
  margin: 0 0 1.4rem;
  color: var(--ink-text-000);
}

.unlock .micro {
  display: block;
  margin-bottom: 0.7rem;
  color: var(--heat);
}

/* ---------------------------------------------------------------- index band */

.index-band {
  border-top: 1px solid var(--hair-ink);
  padding: 1.6rem 0 2.6rem;
}

.index-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.1rem;
}

.index-track {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.thumb {
  flex: 0 0 auto;
  scroll-snap-align: start;
  width: 88px;
  border: 1px solid var(--hair-ink);
  background: none;
  padding: 0;
  cursor: pointer;
  text-align: left;
  transition: border-color var(--fast) var(--ease);
}

.thumb img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  filter: grayscale(1) contrast(1.06) brightness(0.96);
}

.thumb .thumb-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 7px;
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-text-100);
}

.thumb:hover,
.thumb[aria-current="true"] {
  border-color: var(--saffron);
}

.thumb[aria-current="true"] .thumb-meta {
  color: var(--saffron);
}

/* ------------------------------------------------------------ paper bands */

.band {
  position: relative;
  border-top: 1px solid var(--hair-paper);
  background: var(--paper-000);
  color: var(--letter-100);
}

.band-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: var(--band-y) var(--pad-x);
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gutter);
}

.colophon-body {
  grid-column: 1 / span 6;
}

.colophon-side {
  grid-column: 9 / span 4;
}

.colophon-body h2 {
  font-size: var(--step-h1);
  margin: 0 0 1.2rem;
  color: var(--letter-000);
}

.colophon-body p {
  margin: 0 0 1.1rem;
  max-width: var(--measure);
  color: var(--letter-100);
}

.colophon-side dl {
  margin: 0;
  border-top: 1px solid var(--hair-paper);
}

.colophon-side div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--hair-paper);
}

.colophon-side dt.micro {
  color: var(--letter-200);
}

.colophon-side dd {
  margin: 0;
  font-size: var(--step-caption);
  text-align: right;
  color: var(--letter-000);
}

.sig-line {
  margin: 1.6rem 0 0;
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
}

.sig-line .sig {
  color: var(--heat);
}

/* --------------------------------------------------------------- gate veil */

.gate {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--ink-000) 88%, transparent);
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.gate[hidden] {
  display: none;
}

.gate-card {
  max-width: 26rem;
  padding: 1.8rem 1.6rem;
  border: 1px solid var(--hair-ink-strong);
  background: var(--ink-050);
}

.gate-card h2 {
  font-size: clamp(1.9rem, 5vw, 2.6rem);
  margin: 0 0 0.9rem;
}

.gate-card p {
  margin: 0 0 1.5rem;
  color: var(--ink-text-100);
}

.gate-actions {
  display: flex;
  border-top: 1px solid var(--hair-ink);
}

.gate-actions button {
  flex: 1;
  min-height: 48px;
  background: none;
  border: 0;
  padding: 0.9rem 0.6rem;
  font-size: var(--step-label);
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  cursor: pointer;
  color: var(--ink-text-100);
  transition: color var(--fast) var(--ease);
}

.gate-actions button + button {
  border-left: 1px solid var(--hair-ink);
}

.gate-actions #age-yes {
  color: var(--saffron);
}

.gate-actions button:hover {
  color: var(--ink-text-000);
}

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

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--ink-000) 96%, transparent);
  display: grid;
  grid-template-rows: 1fr auto;
  padding: 3vh 3vw 0;
  cursor: zoom-out;
}

.lightbox[hidden] {
  display: none;
}

.lightbox img {
  align-self: center;
  justify-self: center;
  max-width: min(94vw, 1100px);
  max-height: 84dvh;
  object-fit: contain;
}

.lightbox-bar {
  border-top: 1px solid var(--hair-ink);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.9rem 0 1.1rem;
  cursor: default;
}

.lightbox-bar .caption {
  max-width: 60ch;
  margin: 0;
}

/* ---------------------------------------------------------- paper pages */

.page {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(56px, 10vh, 120px) var(--pad-x) clamp(72px, 12vh, 140px);
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gutter);
}

.page-head {
  grid-column: 1 / span 7;
}

.page-aside {
  grid-column: 9 / span 4;
  align-self: end;
}

.page h1 {
  font-size: var(--step-h1);
  margin: 0 0 1.1rem;
  color: var(--letter-000);
}

.page-head p {
  max-width: var(--measure);
  margin: 0 0 1.2rem;
}

.page-lede {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--step-lede);
  line-height: 1.34;
  color: var(--letter-000);
  margin: 0 0 1.6rem;
}

.specimen {
  grid-column: 1 / span 7;
  margin: 0.6rem 0 2rem;
  border: 1px solid var(--hair-paper-strong);
  background: var(--paper-050);
  padding: 1.1rem 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.specimen .address {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.2vw, 1.5rem);
  color: var(--letter-000);
  user-select: all;
}

.copy-btn {
  background: none;
  border: 1px solid var(--hair-paper-strong);
  min-height: 44px;
  padding: 0.6rem 0.9rem;
  font-size: var(--step-label);
  font-weight: 500;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--letter-100);
  cursor: pointer;
  transition: border-color var(--fast) var(--ease), color var(--fast) var(--ease);
}

.copy-btn:hover {
  border-color: var(--letter-000);
  color: var(--letter-000);
}

.copy-btn[data-copied="true"] {
  border-color: var(--heat);
  color: var(--heat);
}

.page-actions {
  grid-column: 1 / span 7;
  display: flex;
  gap: 2rem;
  align-items: center;
  flex-wrap: wrap;
}

.notes {
  grid-column: 1 / span 7;
  margin-top: 3rem;
  border-top: 1px solid var(--hair-paper);
  padding-top: 1.4rem;
}

.notes ul {
  margin: 0.8rem 0 0;
  padding-left: 1.1rem;
  color: var(--letter-100);
}

.notes li {
  margin-bottom: 0.5rem;
  max-width: var(--measure);
}

/* ----------------------------------------------------------------- footer */

.site-footer {
  border-top: 1px solid var(--hair-paper);
  background: var(--paper-000);
  color: var(--letter-200);
}

.ground-ink .site-footer,
body:not(.ground-paper) .site-footer {
  background: var(--ink-000);
  border-top-color: var(--hair-ink);
  color: var(--ink-text-200);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.6rem var(--pad-x) 2.2rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-size: var(--step-caption);
}

.footer-inner a {
  color: inherit;
  text-decoration: none;
}

.footer-inner a:hover {
  color: var(--saffron);
}

.empty {
  padding: 4rem var(--pad-x);
  color: var(--ink-text-100);
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--step-lede);
}

/* ------------------------------------------------------------------ reveal */

/* Reveals are opt-in to JS: without the .js class (set inline in <head>) every
   data-reveal node stays visible instead of being stuck at opacity 0. */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
}

.js [data-reveal].is-in {
  opacity: 1;
  transform: none;
  transition: opacity var(--slow) var(--ease), transform var(--slow) var(--ease);
}

@media (prefers-reduced-motion: reduce) {
  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* --------------------------------------------------------------- responsive */

@media (max-width: 1080px) {
  .plate {
    grid-column: 1 / span 8;
  }
  .rail {
    grid-column: 9 / span 4;
  }
}

@media (max-width: 880px) {
  .spread {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.6rem;
    padding-top: 18px;
  }
  .plate {
    grid-column: 1;
    margin-left: calc(var(--pad-x) * -1);
    margin-right: calc(var(--pad-x) * -1);
  }
  .plate-mat {
    aspect-ratio: var(--plate-ratio, 4 / 5);
    height: auto;
    width: 100%;
    max-height: 72dvh;
  }
  .rail {
    grid-column: 1;
  }
  .rail-title {
    font-size: clamp(2.6rem, 15vw, 4rem);
  }
  .band-inner,
  .page {
    grid-template-columns: minmax(0, 1fr);
  }
  .colophon-body,
  .colophon-side,
  .page-head,
  .page-aside,
  .specimen,
  .page-actions,
  .notes {
    grid-column: 1;
  }
  .page-aside {
    align-self: start;
  }
  .lightbox {
    padding: 2vh 4vw 0;
  }
  .lightbox-bar {
    flex-direction: column;
    gap: 0.4rem;
  }
}