/* Kidcasso — base system
   ---------------------------------------------------------- */

:root {
  /* paper / ink */
  --paper:        #F1ECE2;
  --paper-2:      #E8E1D2;
  --paper-deep:   #1F1B16;
  --ink:          #1A1815;
  --ink-2:        #4A4540;
  --ink-3:        #8A847B;
  --rule:         rgba(26,24,21,.12);
  --rule-strong:  rgba(26,24,21,.22);
  --accent:       #B85C3E;       /* terracotta */
  --accent-deep:  #8B3F26;
  --sage:         #6E7A5E;
  --gold:         #C99A3D;

  /* typography */
  --f-display: "Instrument Serif", "Times New Roman", serif;
  --f-sans:    "Geist", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --f-mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* spatial */
  --step:   8px;
  --gutter: clamp(24px, 4vw, 56px);
  --maxw:   1280px;
  --radius: 4px;

  /* density (overridden per data-density) */
  --pad-screen-y: 96px;
  --pad-card:     24px;
  --gap-grid:     20px;
}

[data-density="compact"] {
  --pad-screen-y: 56px;
  --pad-card:     14px;
  --gap-grid:     12px;
}
[data-density="airy"] {
  --pad-screen-y: 140px;
  --pad-card:     36px;
  --gap-grid:     32px;
}

/* Gallery theme  ------------------------------------------- */
[data-theme="gallery"] {
  --paper:       #FAFAF7;
  --paper-2:     #F2F1EC;
  --paper-deep:  #0E0E0D;
  --ink:         #0E0E0D;
  --ink-2:       #383634;
  --ink-3:       #7C7975;
  --rule:        rgba(14,14,13,.10);
  --rule-strong: rgba(14,14,13,.22);
  --accent:      #B23A2E;
}

/* Mono theme  ---------------------------------------------- */
[data-theme="mono"] {
  --paper:       #FFFFFF;
  --paper-2:     #F4F4F2;
  --paper-deep:  #000000;
  --ink:         #000000;
  --ink-2:       #2A2A2A;
  --ink-3:       #8A8A8A;
  --rule:        rgba(0,0,0,.10);
  --rule-strong: rgba(0,0,0,.30);
  --accent:      #000000;
}

/* Base ----------------------------------------------------- */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--f-sans);
  font-size: 15px;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
button { font: inherit; color: inherit; }
a { color: inherit; }

img, svg { display: block; max-width: 100%; }

/* Utility -------------------------------------------------- */

.frame {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.eyebrow {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.display {
  font-family: var(--f-display);
  font-weight: 400;
  font-style: normal;
  line-height: .98;
  letter-spacing: -.01em;
  margin: 0;
}
.display em {
  font-style: italic;
  color: var(--accent);
}

.lede {
  font-family: var(--f-display);
  font-style: italic;
  font-weight: 400;
  font-size: 22px;
  line-height: 1.35;
  color: var(--ink-2);
  margin: 0;
  max-width: 56ch;
}

/* App shell ------------------------------------------------ */

.app {
  min-height: 100vh;
  background: var(--paper);
  display: flex;
  flex-direction: column;
}

/* Header --------------------------------------------------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--paper) 85%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: .5px solid var(--rule);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.brand {
  font-family: var(--f-display);
  font-size: 26px;
  letter-spacing: -.01em;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}
.brand .mark {
  display: inline-block;
  width: 14px; height: 14px;
  background: var(--accent);
  border-radius: 50%;
  transform: translateY(-1px);
}
.nav-links {
  display: flex;
  gap: 26px;
  font-size: 13px;
  color: var(--ink-2);
}
.nav-link {
  cursor: pointer;
  text-decoration: none;
  letter-spacing: .01em;
}
.nav-link:hover { color: var(--accent); }
.nav-step {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--ink-3);
  text-transform: uppercase;
}

/* Buttons -------------------------------------------------- */

.btn {
  appearance: none;
  border: 0;
  cursor: pointer;
  font-family: var(--f-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .01em;
  padding: 14px 22px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: transform .15s ease, background .15s ease, color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn .arr { transition: transform .2s ease; }
.btn:hover .arr { transform: translateX(3px); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: .5px solid var(--rule-strong);
}
.btn-ghost:hover { background: rgba(0,0,0,.04); }

.btn-link {
  appearance: none;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  font-size: 13px;
  color: var(--ink-2);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: .5px;
}
.btn-link:hover { color: var(--accent); }

/* Hero ---------------------------------------------------- */

.hero {
  padding-top: var(--pad-screen-y);
  padding-bottom: calc(var(--pad-screen-y) * .6);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}
.hero h1 {
  font-size: clamp(48px, 7.2vw, 96px);
}
.hero-eyebrow {
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-eyebrow::before {
  content: "";
  display: inline-block;
  width: 28px; height: 1px;
  background: var(--ink-3);
}
.hero-body {
  margin-top: 32px;
  max-width: 44ch;
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink-2);
}
.hero-actions {
  margin-top: 36px;
  display: flex;
  gap: 16px;
  align-items: center;
}

.hero-art {
  position: relative;
  aspect-ratio: 4/5;
  background: var(--paper-2);
  border: .5px solid var(--rule);
  overflow: hidden;
  border-radius: var(--radius);
}
.hero-art-frame {
  position: absolute;
  inset: 8%;
  background: #fff;
  box-shadow:
    0 1px 0 rgba(255,255,255,.6) inset,
    0 30px 60px -20px rgba(0,0,0,.25),
    0 8px 18px -8px rgba(0,0,0,.15);
  display: grid;
  place-items: center;
}
.hero-art-frame .matte {
  position: absolute;
  inset: 14%;
  background: #fafaf7;
  border: 1px solid rgba(0,0,0,.06);
}
.hero-art-frame .piece {
  position: absolute;
  inset: 18%;
  display: grid;
  place-items: center;
}

.marquee {
  margin-top: clamp(48px, 7vw, 80px);
  padding: 18px 0;
  border-top: .5px solid var(--rule);
  border-bottom: .5px solid var(--rule);
  font-family: var(--f-display);
  font-style: italic;
  font-size: 18px;
  color: var(--ink-2);
  display: flex;
  gap: 40px;
  overflow: hidden;
  white-space: nowrap;
}
.marquee-track {
  display: flex;
  gap: 56px;
  animation: marquee 36s linear infinite;
  flex-shrink: 0;
}
.marquee-track span { flex-shrink: 0; }
.marquee-track .dot {
  display: inline-block;
  width: 5px; height: 5px;
  background: var(--accent);
  border-radius: 50%;
  transform: translateY(-3px);
  margin: 0 4px;
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* How it works -------------------------------------------- */

.section {
  padding: var(--pad-screen-y) 0;
}
.section-head {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--gutter);
  align-items: end;
  margin-bottom: 56px;
  padding-bottom: 24px;
  border-bottom: .5px solid var(--rule);
}
.section-head h2 {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(36px, 4.5vw, 56px);
  line-height: 1;
  margin: 0;
  letter-spacing: -.01em;
}
.section-head .lede { font-size: 19px; }

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gutter);
  margin-top: 56px;
}
.step .num {
  font-family: var(--f-display);
  font-style: italic;
  font-size: 64px;
  line-height: 1;
  color: var(--accent);
  margin-bottom: 16px;
}
.step h3 {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: 24px;
  margin: 0 0 8px;
}
.step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-2);
}

/* Drop zone ----------------------------------------------- */

.upload-wrap { padding: var(--pad-screen-y) 0; }
.upload-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: clamp(40px, 6vw, 72px);
  align-items: start;
}
.dropzone {
  border: 1.5px dashed var(--rule-strong);
  border-radius: var(--radius);
  background: var(--paper-2);
  aspect-ratio: 4/3;
  display: grid;
  place-items: center;
  text-align: center;
  cursor: pointer;
  position: relative;
  transition: border-color .15s ease, background .15s ease;
}
.dropzone.is-over {
  border-color: var(--accent);
  background: color-mix(in oklab, var(--accent) 6%, var(--paper-2));
}
.dropzone-inner {
  padding: 40px;
  max-width: 380px;
}
.dropzone-icon {
  width: 56px; height: 56px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--paper);
  display: grid;
  place-items: center;
  border: .5px solid var(--rule);
}
.dropzone h3 {
  font-family: var(--f-display);
  font-size: 28px;
  font-weight: 400;
  margin: 0 0 8px;
  letter-spacing: -.005em;
}
.dropzone p {
  margin: 0 0 18px;
  color: var(--ink-2);
  font-size: 14px;
}
.dropzone .fileinfo {
  margin-top: 16px;
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: .08em;
}

.samples h4 {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 16px;
  font-weight: 500;
}
.samples-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.sample {
  background: #fff;
  border: .5px solid var(--rule);
  aspect-ratio: 1;
  cursor: pointer;
  padding: 10px;
  position: relative;
  overflow: hidden;
  transition: transform .15s ease, box-shadow .15s ease;
}
.sample:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -8px rgba(0,0,0,.18);
}
.sample-cap {
  position: absolute;
  bottom: 8px; left: 10px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--ink-3);
  text-transform: uppercase;
}

/* Processing ---------------------------------------------- */

.processing {
  padding: var(--pad-screen-y) 0;
  text-align: center;
}
.processing h2 {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: 48px;
  margin: 0 0 16px;
}
.processing .lede {
  margin: 0 auto;
  text-align: center;
}
.processing-stage {
  margin: 56px auto 0;
  max-width: 480px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.processing-bar {
  margin: 18px auto 0;
  height: 1px;
  width: 100%;
  background: var(--rule);
  position: relative;
  overflow: hidden;
}
.processing-bar::after {
  content: "";
  position: absolute;
  inset: 0;
  width: 30%;
  background: var(--accent);
  animation: barslide 1.4s ease-in-out infinite;
}
@keyframes barslide {
  0%   { left: -30%; }
  100% { left: 100%; }
}
.processing-art {
  margin: 36px auto 0;
  width: 200px; height: 200px;
  background: #fff;
  border: .5px solid var(--rule);
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}
.processing-art::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(184,92,62,.18) 50%, transparent 100%);
  animation: scan 1.8s ease-in-out infinite;
}
@keyframes scan {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* Results gallery ---------------------------------------- */

.results { padding: 32px 0 var(--pad-screen-y); }
.results-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--gutter);
  padding-bottom: 24px;
  margin-bottom: 32px;
  border-bottom: .5px solid var(--rule);
  flex-wrap: wrap;
}
.results-head h2 {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(36px, 4.5vw, 56px);
  margin: 0;
  line-height: 1;
}
.results-head .meta {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-3);
  display: flex;
  gap: 18px;
  align-items: center;
}
.thumb-source {
  width: 36px; height: 36px;
  background: #fff;
  border: .5px solid var(--rule);
  display: grid;
  place-items: center;
}

.layout-switch {
  display: inline-flex;
  border: .5px solid var(--rule-strong);
  border-radius: 999px;
  padding: 3px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.layout-switch button {
  appearance: none;
  background: transparent;
  border: 0;
  padding: 7px 14px;
  cursor: pointer;
  border-radius: 999px;
  color: var(--ink-3);
}
.layout-switch button.is-active {
  background: var(--ink);
  color: var(--paper);
}

/* gallery layouts */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap-grid);
}
.gallery-masonry {
  columns: 4;
  column-gap: var(--gap-grid);
}
.gallery-masonry .tile {
  break-inside: avoid;
  margin-bottom: var(--gap-grid);
}
.gallery-carousel {
  display: flex;
  gap: var(--gap-grid);
  overflow-x: auto;
  padding-bottom: 24px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}
.gallery-carousel .tile {
  flex: 0 0 clamp(280px, 32vw, 420px);
  scroll-snap-align: start;
}

@media (max-width: 1080px) {
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .gallery-masonry { columns: 3; }
}
@media (max-width: 760px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-masonry { columns: 2; }
}

.tile {
  cursor: pointer;
  transition: transform .25s ease;
  position: relative;
}
.tile:hover { transform: translateY(-3px); }
.tile.is-pure { outline: 1px solid var(--accent); outline-offset: 6px; }
.tile-art {
  background: #fff;
  border: .5px solid var(--rule);
  overflow: hidden;
  position: relative;
}
.tile-cap {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 12px 2px 0;
}
.tile-cap .name {
  font-family: var(--f-display);
  font-size: 19px;
  line-height: 1;
}
.tile-cap .artist {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.tile.is-pure .tile-cap .artist::before {
  content: "★ ";
  color: var(--accent);
}

/* Style detail -------------------------------------------- */

.detail {
  padding: 32px 0 var(--pad-screen-y);
}
.detail-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-2);
  cursor: pointer;
  background: transparent;
  border: 0;
  padding: 0;
  margin-bottom: 28px;
}
.detail-back:hover { color: var(--accent); }

.detail-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: clamp(40px, 5vw, 72px);
  align-items: start;
}
.detail-art-shell {
  position: relative;
}
.detail-art {
  background: #fff;
  border: .5px solid var(--rule);
  aspect-ratio: 1;
  overflow: hidden;
  position: relative;
}
.detail-actions {
  margin-top: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.detail-nav { display: flex; gap: 6px; }
.detail-nav button {
  appearance: none;
  border: .5px solid var(--rule-strong);
  background: transparent;
  width: 36px; height: 36px;
  cursor: pointer;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: var(--ink-2);
}
.detail-nav button:hover { color: var(--accent); border-color: var(--accent); }

.detail-meta .eyebrow { margin-bottom: 18px; }
.detail-meta h2 {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(40px, 4.5vw, 64px);
  line-height: 1;
  margin: 0 0 4px;
  letter-spacing: -.01em;
}
.detail-meta .artist-name {
  font-family: var(--f-display);
  font-style: italic;
  font-size: 22px;
  color: var(--accent);
  margin: 0 0 24px;
}
.detail-meta .desc {
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-2);
  margin: 0 0 32px;
}
.detail-meta .pull {
  font-family: var(--f-display);
  font-style: italic;
  font-size: 20px;
  line-height: 1.4;
  color: var(--ink);
  border-left: 1px solid var(--accent);
  padding-left: 18px;
  margin: 0 0 32px;
}
.detail-cta { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }

/* Configure ----------------------------------------------- */

.configure { padding: 32px 0 var(--pad-screen-y); }
.cfg-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(40px, 5vw, 72px);
  align-items: start;
}

.cfg-preview-shell {
  position: sticky;
  top: 96px;
}
.cfg-preview {
  background: var(--paper-2);
  border: .5px solid var(--rule);
  aspect-ratio: 4/5;
  position: relative;
  overflow: hidden;
}
.cfg-preview.is-room {
  background:
    linear-gradient(180deg, #d5cdbe 0%, #d5cdbe 62%, #b4a994 62%, #b4a994 100%);
}
.cfg-preview.is-flat {
  background: var(--paper-2);
}
.cfg-preview.is-iso {
  background: #efe8d8;
}

/* room scene */
.room-baseboard {
  position: absolute;
  left: 0; right: 0;
  bottom: 38%;
  height: 1px;
  background: rgba(0,0,0,.18);
}
.room-floor-shadow {
  position: absolute;
  left: 10%; right: 10%;
  bottom: 32%;
  height: 18px;
  background: radial-gradient(ellipse at center, rgba(0,0,0,.18), transparent 70%);
  filter: blur(4px);
}
.room-couch {
  position: absolute;
  left: 50%;
  bottom: 6%;
  transform: translateX(-50%);
  width: 70%;
  height: 22%;
}
.room-couch svg { width: 100%; height: 100%; }

.cfg-piece {
  position: absolute;
  left: 50%;
  top: 18%;
  transform: translate(-50%, 0);
  transition: width .35s ease, top .35s ease;
}
.cfg-piece.size-S { width: 22%; top: 24%; }
.cfg-piece.size-M { width: 32%; top: 20%; }
.cfg-piece.size-L { width: 44%; top: 14%; }
.cfg-piece.size-XL{ width: 56%; top: 10%; }

.cfg-piece .frame-wrap {
  position: relative;
  aspect-ratio: 4/5;
  box-shadow:
    0 30px 50px -20px rgba(0,0,0,.45),
    0 8px 18px -10px rgba(0,0,0,.25);
}
.frame-wrap[data-frame="canvas"] {
  padding: 6px;
  background: #ffffff;
  box-shadow:
    0 30px 50px -20px rgba(0,0,0,.45),
    0 8px 18px -10px rgba(0,0,0,.25),
    inset 0 0 0 1px rgba(0,0,0,.04);
}
.frame-wrap[data-frame="black"] {
  padding: 14px;
  background: #0e0e0d;
}
.frame-wrap[data-frame="white"] {
  padding: 14px;
  background: #f6f3eb;
  border: .5px solid rgba(0,0,0,.08);
}
.frame-wrap[data-frame="wood"] {
  padding: 14px;
  background: linear-gradient(90deg,#a07a4e,#bf9466 30%,#a07a4e 65%,#8a6840);
}
.frame-wrap[data-frame="float"] {
  padding: 8px;
  background: #0e0e0d;
  outline: 6px solid #f6f3eb;
  outline-offset: -2px;
}
.frame-wrap .canvas-inner {
  position: relative;
  aspect-ratio: inherit;
  width: 100%;
  height: 100%;
  background: #fff;
  overflow: hidden;
}
.frame-wrap[data-frame="float"] .canvas-inner {
  outline: 1px solid rgba(255,255,255,.1);
}

/* size scale ruler in flat preview */
.scale-ruler {
  position: absolute;
  bottom: 16px; left: 16px; right: 16px;
  display: flex;
  justify-content: space-between;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--ink-3);
  text-transform: uppercase;
}

/* config form */
.cfg-form { display: flex; flex-direction: column; gap: 32px; }
.cfg-block { }
.cfg-block .label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 12px;
}
.cfg-block .label .hint { color: var(--ink-3); text-transform: none; letter-spacing: .04em; font-size: 11px; }

.opt-grid { display: grid; gap: 8px; }
.opt-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.opt-grid.cols-5 { grid-template-columns: repeat(5, 1fr); }

.opt {
  appearance: none;
  border: .5px solid var(--rule-strong);
  background: var(--paper);
  border-radius: var(--radius);
  padding: 14px 12px;
  text-align: left;
  cursor: pointer;
  transition: border-color .12s ease, background .12s ease;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-height: 76px;
}
.opt:hover { border-color: var(--ink-2); }
.opt.is-active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}
.opt .opt-name {
  font-family: var(--f-display);
  font-size: 18px;
  line-height: 1;
}
.opt .opt-sub {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.opt.is-active .opt-sub { color: rgba(255,255,255,.65); }
.opt .opt-price {
  margin-top: auto;
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--ink-2);
}
.opt.is-active .opt-price { color: rgba(255,255,255,.85); }

.opt.frame-opt {
  align-items: center;
  text-align: center;
  gap: 8px;
  padding: 12px 8px;
}
.opt.frame-opt .swatch {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: .5px solid var(--rule-strong);
}

.cfg-personal {
  border-top: .5px solid var(--rule);
  padding-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.toggle-row h4 {
  font-family: var(--f-display);
  font-size: 22px;
  font-weight: 400;
  margin: 0;
}
.toggle-row p {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--ink-2);
  max-width: 36ch;
}
.tg {
  appearance: none;
  width: 42px; height: 24px;
  background: var(--rule-strong);
  border: 0;
  border-radius: 999px;
  position: relative;
  cursor: pointer;
  transition: background .15s ease;
}
.tg::after {
  content: "";
  position: absolute;
  top: 2px; left: 2px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 2px rgba(0,0,0,.2);
  transition: transform .18s ease;
}
.tg.is-on { background: var(--accent); }
.tg.is-on::after { transform: translateX(18px); }

.text-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.text-field label {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.text-field input {
  appearance: none;
  background: var(--paper-2);
  border: .5px solid var(--rule-strong);
  border-radius: var(--radius);
  padding: 12px 14px;
  font: inherit;
  color: inherit;
  outline: none;
  transition: border-color .12s ease;
}
.text-field input:focus { border-color: var(--ink); }

.personal-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.cfg-summary {
  margin-top: 28px;
  padding-top: 24px;
  border-top: .5px solid var(--rule);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.cfg-summary .total-label { 
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.cfg-summary .total {
  font-family: var(--f-display);
  font-size: 44px;
  line-height: 1;
}
.cfg-summary .total small {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--ink-3);
  margin-left: 8px;
  letter-spacing: .08em;
}
.cfg-cta { margin-top: 24px; }
.cfg-cta .btn { width: 100%; justify-content: space-between; padding: 18px 24px; font-size: 15px; }

/* preview switch (pill) */
.preview-switch {
  position: absolute;
  top: 14px; left: 14px;
  display: inline-flex;
  border: .5px solid var(--rule-strong);
  border-radius: 999px;
  padding: 3px;
  background: color-mix(in oklab, var(--paper) 80%, transparent);
  backdrop-filter: blur(8px);
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.preview-switch button {
  appearance: none;
  background: transparent;
  border: 0;
  padding: 6px 12px;
  cursor: pointer;
  border-radius: 999px;
  color: var(--ink-3);
}
.preview-switch button.is-active {
  background: var(--ink);
  color: var(--paper);
}

/* Cart / checkout / confirmation ---------------------- */

.cart {
  padding: 32px 0 var(--pad-screen-y);
}
.cart-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr;
  gap: clamp(40px, 5vw, 72px);
  align-items: start;
}
.cart-line {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: 24px;
  padding: 28px 0;
  border-bottom: .5px solid var(--rule);
}
.cart-thumb {
  background: #fff;
  border: .5px solid var(--rule);
  aspect-ratio: 4/5;
  overflow: hidden;
}
.cart-meta h3 {
  font-family: var(--f-display);
  font-size: 28px;
  font-weight: 400;
  margin: 0 0 4px;
  line-height: 1;
}
.cart-meta .artist {
  font-family: var(--f-display);
  font-style: italic;
  color: var(--accent);
  font-size: 17px;
  margin: 0 0 16px;
}
.cart-meta dl {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 4px 16px;
  font-size: 13px;
  margin: 0;
}
.cart-meta dt {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-3);
  align-self: center;
}
.cart-meta dd { margin: 0; color: var(--ink); }

.cart-price {
  font-family: var(--f-display);
  font-size: 28px;
  text-align: right;
}
.cart-summary {
  background: var(--paper-2);
  border: .5px solid var(--rule);
  padding: 28px;
  position: sticky;
  top: 96px;
}
.cart-summary h3 {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: 22px;
  margin: 0 0 18px;
}
.cart-summary .row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 14px;
}
.cart-summary .row.total {
  border-top: .5px solid var(--rule);
  margin-top: 10px;
  padding-top: 18px;
  font-family: var(--f-display);
  font-size: 28px;
}
.cart-summary .btn { width: 100%; justify-content: space-between; margin-top: 20px; padding: 16px 22px; }
.cart-summary .promise {
  margin-top: 18px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-3);
  text-align: center;
  line-height: 1.6;
}

/* Checkout ---------------------- */

.checkout-grid {
  display: grid;
  grid-template-columns: 1.4fr .9fr;
  gap: clamp(40px, 5vw, 72px);
  align-items: start;
}
.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 14px;
}
.field-grid .full { grid-column: 1 / -1; }
.checkout-section {
  padding: 28px 0;
  border-bottom: .5px solid var(--rule);
}
.checkout-section:first-child { padding-top: 0; }
.checkout-section h3 {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: 26px;
  margin: 0 0 4px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.checkout-section h3 .num {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
}
.checkout-section .lede-sm { color: var(--ink-2); font-size: 14px; margin: 0 0 18px; }

.pay-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}
.pay-tab {
  appearance: none;
  flex: 1;
  background: var(--paper-2);
  border: .5px solid var(--rule-strong);
  border-radius: var(--radius);
  padding: 12px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  cursor: pointer;
}
.pay-tab.is-active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

/* Confirmation ---------------------- */

.confirm {
  padding: var(--pad-screen-y) 0;
  text-align: center;
}
.confirm .mark-big {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--paper);
  display: grid;
  place-items: center;
  margin: 0 auto 28px;
  font-size: 26px;
}
.confirm h1 {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(40px, 6vw, 80px);
  margin: 0 0 16px;
  line-height: 1;
}
.confirm .order-no {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 40px;
}
.confirm-card {
  max-width: 560px;
  margin: 0 auto;
  background: var(--paper-2);
  border: .5px solid var(--rule);
  padding: 36px;
  text-align: left;
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
}
.confirm-card .thumb {
  background: #fff;
  border: .5px solid var(--rule);
  aspect-ratio: 4/5;
  overflow: hidden;
}
.confirm-card h3 {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: 24px;
  margin: 0 0 4px;
}
.confirm-card .artist { font-family: var(--f-display); font-style: italic; color: var(--accent); margin: 0 0 14px; }
.confirm-card dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 16px; font-size: 13px; margin: 0; }
.confirm-card dt {
  font-family: var(--f-mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); align-self: center;
}
.confirm-card dd { margin: 0; }

.confirm-timeline {
  max-width: 560px;
  margin: 40px auto 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.confirm-step { text-align: left; }
.confirm-step .bar { height: 2px; background: var(--rule); margin-bottom: 12px; }
.confirm-step.is-now .bar { background: var(--accent); }
.confirm-step .when { color: var(--ink-3); }
.confirm-step .what { color: var(--ink); margin-top: 2px; }

/* Footer -------------------------------------------------- */

.foot {
  border-top: .5px solid var(--rule);
  padding: 40px var(--gutter);
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-3);
  max-width: var(--maxw);
  margin: 0 auto;
  width: 100%;
}
.foot a { text-decoration: none; }
.foot a:hover { color: var(--accent); }
.foot-cols { display: flex; gap: 32px; }

/* responsive sweeps ---------------------- */
@media (max-width: 920px) {
  .hero-grid, .upload-grid, .detail-grid, .cfg-grid, .cart-grid, .checkout-grid, .section-head, .steps {
    grid-template-columns: 1fr !important;
  }
  .steps { grid-template-columns: repeat(2, 1fr) !important; }
  .cart-summary, .cfg-preview-shell { position: static; }
}

/* Style lenses ============================================== */

.lens {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.lens > svg { width: 100%; height: 100%; display: block; }
.lens-bg, .lens-deco, .lens-overlay {
  position: absolute; inset: 0; width: 100%; height: 100%;
  pointer-events: none;
}
.lens-inner { position: absolute; inset: 0; }
.lens-inner > svg { width: 100%; height: 100%; }

/* Signatures & small stamps shared across lenses */
.lens-signature {
  position: absolute;
  bottom: 6%; right: 6%;
  font-family: "Instrument Serif", serif;
  font-style: italic;
  font-size: clamp(8px, 1.2vw, 12px);
  color: rgba(0,0,0,0.55);
  letter-spacing: 0.02em;
  pointer-events: none;
}
.lens-stamp {
  position: absolute;
  font-family: "JetBrains Mono", monospace;
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(0,0,0,0.45);
  pointer-events: none;
}
.lens-stamp-tl { top: 5%; left: 5%; }
.lens-stamp-br { bottom: 5%; right: 5%; }

/* ── Pure ─────────────────────────────────────────────── */
.lens-pure { background: #FFFFFF; }
.lens-pure .lens-bg { opacity: 0.55; }
.lens-pure .pure-art { inset: 5%; }
.lens-pure .pure-art > svg { width: 100%; height: 100%; }
.lens-pure .lens-stamp { color: rgba(0,0,0,0.32); }

/* ── Matisse ─────────────────────────────────────────── */
.lens-matisse { background: #F1ECE2; }
.matisse-warmth {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 30%, rgba(244,182,80,0.18), transparent 60%),
              radial-gradient(ellipse at 80% 80%, rgba(225,75,46,0.10), transparent 70%);
}
.lens-matisse .matisse-art { position: absolute; inset: 8%; }
.lens-matisse .matisse-art > svg { width: 100%; height: 100%; }
.lens-matisse .lens-signature { color: rgba(0,0,0,0.45); }

/* ── Picasso ─────────────────────────────────────────── */
.lens-picasso {
  background: #08183A;
}
.picasso-wash {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(127,175,216,0.18), transparent 55%),
    radial-gradient(ellipse at 80% 80%, rgba(10,20,50,0.45), transparent 60%),
    linear-gradient(180deg, #0E2A56 0%, #08183A 60%, #04102A 100%);
}
.lens-picasso .picasso-art { position: absolute; inset: 0; }
.lens-picasso .picasso-art > svg { width: 100%; height: 100%; }
.picasso-sig { color: rgba(168,197,232,0.7) !important; right: 6% !important; }

/* ── Mondrian ────────────────────────────────────────── */
.lens-mondrian { background: #F4F0E8; }
.mondrian-grid {
  position: absolute; inset: 0;
  display: grid;
  grid-template-columns: 24% 1fr 18%;
  grid-template-rows:    16% 1fr 14% 14%;
  gap: 6px;
  padding: 6px;
  background: #0E0E0D;
}
.mondrian-grid .cell { background: #F4F0E8; }
.mondrian-grid .red    { grid-column: 1;          grid-row: 1; }
.mondrian-grid .yellow { grid-column: 3;          grid-row: 4; }
.mondrian-grid .blue   { grid-column: 1;          grid-row: 4; }
.mondrian-grid .white1 { grid-column: 2;          grid-row: 1; }
.mondrian-grid .white2 { grid-column: 2;          grid-row: 2; }
.mondrian-grid .white3 { grid-column: 2;          grid-row: 3 / span 2; }
.mondrian-grid .white4 { grid-column: 3;          grid-row: 1 / span 3; }
.mondrian-art {
  position: absolute;
  left: 24%; right: 18%;
  top: 16%; bottom: 28%;
  display: grid;
  place-items: center;
}
.mondrian-art > svg { width: 90%; height: 90%; }
.mondrian-sig {
  font-family: "JetBrains Mono", monospace !important;
  font-style: normal !important;
  font-size: 9px !important;
  letter-spacing: 0.2em !important;
  color: rgba(255,255,255,0.85) !important;
  background: #0E0E0D;
  padding: 3px 6px;
  bottom: 18% !important; right: 22% !important;
}

/* ── Rothko ──────────────────────────────────────────── */
.lens-rothko { background: #1A0604; }
.rothko-canvas {
  position: absolute;
  inset: 4%;
  overflow: hidden;
}
.rothko-band {
  position: absolute; left: 6%; right: 6%;
  filter: blur(3px);
}
.rothko-top { top: 8%;    height: 40%; }
.rothko-bot { bottom: 8%; height: 44%; }
.rothko-burn {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 50% 50%, transparent 40%, rgba(0,0,0,0.45) 100%);
  pointer-events: none;
}
.rothko-sig {
  font-family: "JetBrains Mono", monospace !important;
  font-style: normal !important;
  letter-spacing: 0.3em !important;
  color: rgba(244,180,140,0.45) !important;
  bottom: 9% !important; right: 9% !important;
}

/* ── Hockney ─────────────────────────────────────────── */
.lens-hockney { background: #BFE6F2; overflow: hidden; }
.hockney-sky {
  position: absolute; left: 0; right: 0; top: 0; height: 40%;
  background: linear-gradient(180deg, #BFE6F2 0%, #E0F2F8 100%);
}
.hockney-sun {
  position: absolute;
  top: 8%; right: 8%;
  width: 16%; aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, #FFD23F 0%, #FFD23F 60%, #FFE680 80%, transparent 100%);
  filter: blur(1px);
}
.hockney-pool {
  position: absolute; left: 0; right: 0; top: 40%; height: 40%;
  background: linear-gradient(180deg, #3CB7B3 0%, #2A9692 100%);
  overflow: hidden;
}
.hockney-pool svg { position: absolute; inset: 0; opacity: 0.6; }
.hockney-deck {
  position: absolute; left: 0; right: 0; bottom: 0; height: 20%;
  background: #FFE2C2;
  border-top: 2px solid #E89A78;
}
.hockney-palm {
  position: absolute; left: 0; bottom: 0; width: 26%; height: 100%;
  opacity: 0.85;
}
.hockney-art { position: absolute; inset: 12%; }
.hockney-art > svg { width: 100%; height: 100%; }
.hockney-splash {
  position: absolute; inset: 0;
}
.hockney-sig {
  color: rgba(0,40,40,0.5) !important;
  font-family: "JetBrains Mono", monospace !important;
  font-style: normal !important;
  letter-spacing: 0.2em !important;
}

/* ── Basquiat ────────────────────────────────────────── */
.lens-basquiat { background: #D8C089; }
.basq-paper {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(165,130,90,0.4), transparent 60%),
    radial-gradient(ellipse at 80% 70%, rgba(120,80,40,0.35), transparent 60%),
    linear-gradient(160deg, #D8BE82 0%, #CDA968 100%);
}
.lens-basquiat .basq-art { position: absolute; inset: 8%; }
.lens-basquiat .basq-art > svg { width: 100%; height: 100%; }
.basq-overlay { position: absolute; inset: 0; }
.basq-sig {
  color: rgba(20,8,4,0.65) !important;
  font-family: "JetBrains Mono", monospace !important;
  font-style: normal !important;
  letter-spacing: 0.2em !important;
}

/* ── Miró ────────────────────────────────────────────── */
.lens-miro { background: #F4ECDC; }
.miro-paper {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 30% 30%, rgba(218,196,156,0.4), transparent 60%),
    radial-gradient(ellipse at 75% 75%, rgba(180,150,110,0.3), transparent 60%),
    #F4ECDC;
}
.miro-art { position: absolute; inset: 14%; opacity: 0.78; }
.miro-art > svg { width: 100%; height: 100%; }
.miro-sig {
  color: rgba(20,16,12,0.55) !important;
}

/* ── Warhol ──────────────────────────────────────────── */
.lens-warhol {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 0;
}
.warhol-tile {
  position: relative;
  overflow: hidden;
}
.warhol-tile > svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.warhol-shadow { position: absolute; inset: 0; opacity: 0.85; }
.warhol-shadow > svg { width: 100%; height: 100%; }
.warhol-dots { position: absolute; inset: 0; }
.warhol-stamp {
  position: absolute;
  bottom: 3%; left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.85);
  color: #FFD23F;
  font-family: "JetBrains Mono", monospace;
  font-size: 8px;
  letter-spacing: 0.15em;
  padding: 3px 8px;
  white-space: nowrap;
  pointer-events: none;
}

/* ── Klee ────────────────────────────────────────────── */
.lens-klee { background: #C8B89A; }
.klee-grid {
  position: absolute; inset: 0;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-template-rows: repeat(8, 1fr);
  gap: 2px;
  padding: 2px;
  background: #5E4E3A;
}
.klee-cell { background: #E8D8B8; }
.klee-art { position: absolute; inset: 8%; mix-blend-mode: multiply; opacity: 0.9; }
.klee-art > svg { width: 100%; height: 100%; }
.klee-sig {
  color: rgba(20,16,12,0.7) !important;
  background: rgba(248,240,220,0.85);
  padding: 2px 5px;
}

/* selection */
::selection { background: var(--accent); color: var(--paper); }