/* ============================================================
   Sales Studio · Aurora One — experiential presentation layer
   Philosophy: Marquee (editorial scale) in DAYLIGHT — a premium
   property brochure on warm Khoshà paper. Dawn-sky accents,
   calm 600ms+ motion. Built entirely on KDS tokens (light theme
   values come from ../shared/khosha-light.css).
   ============================================================ */

:root {
  /* Suite accent — the deepened Khoshà violet set by khosha-light.css */
  --studio-accent: var(--kds-accent);
  --kds-info: var(--studio-accent);

  --studio-serif: ui-serif, Georgia, "Times New Roman", serif;

  /* dawn-sky pigments — soft warm tints mixed onto paper */
  --sky-iris: color-mix(in srgb, var(--studio-accent) 14%, var(--kds-bg));
  --sky-rose: color-mix(in srgb, var(--kds-hue-rose) 11%, var(--kds-bg));
  --sky-dawn: color-mix(in srgb, var(--kds-hue-flame) 16%, var(--kds-bg));
  --sky-deep: color-mix(in srgb, var(--kds-hue-sky) 7%, var(--kds-bg));
}

* { box-sizing: border-box; margin: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--kds-bg);
  color: var(--kds-fg);
  font: 400 var(--kds-text-md) / var(--kds-leading-body) var(--kds-font-sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

/* ---------------- Top bar ---------------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: var(--kds-z-sticky);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--kds-sp-4);
  padding: var(--kds-sp-3) clamp(var(--kds-sp-4), 4vw, var(--kds-sp-7));
  background: color-mix(in srgb, var(--kds-surface) 82%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--kds-border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--kds-sp-3);
  text-decoration: none;
  color: inherit;
  border-radius: var(--kds-radius-md);
}
.brand:focus-visible { outline: 2px solid var(--kds-focus-ring); outline-offset: 3px; }
.brand__mark {
  width: 34px;
  height: 34px;
  border-radius: var(--kds-radius-md);
  display: grid;
  place-items: center;
  font: 800 var(--kds-text-md) / 1 var(--kds-font-sans);
  color: var(--kds-accent-fg);
  background: linear-gradient(135deg, var(--studio-accent), color-mix(in srgb, var(--studio-accent) 55%, var(--kds-hue-rose)));
}
.brand__text { display: grid; line-height: 1.15; }
.brand__name { font-weight: 700; letter-spacing: var(--kds-tracking-tight); }
.brand__sub { font-size: var(--kds-text-xs); color: var(--kds-fg-muted); }

.tabs { display: flex; gap: var(--kds-sp-1); flex-wrap: wrap; }
.tab {
  text-decoration: none;
  color: var(--kds-fg-muted);
  font: 500 var(--kds-text-sm) / 1 var(--kds-font-sans);
  padding: 0.6rem 0.9rem;
  border-radius: var(--kds-radius-full);
  transition: color var(--kds-dur-base) var(--kds-ease-standard),
    background var(--kds-dur-base) var(--kds-ease-standard);
}
.tab:hover { color: var(--kds-fg); }
.tab:focus-visible { outline: 2px solid var(--kds-focus-ring); outline-offset: 2px; }
.tab[aria-current="page"] {
  color: var(--kds-fg);
  background: color-mix(in srgb, var(--studio-accent) 18%, transparent);
}

/* ---------------- Shared scaffolding ---------------- */
.main { flex: 1; outline: none; }

/* daylight refinement — white cards sit on the paper with a soft lift */
.kds-card { box-shadow: var(--kds-shadow-1); }
.mp-card, .review { box-shadow: var(--kds-shadow-2); }

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: clamp(var(--kds-sp-6), 6vh, var(--kds-sp-8)) clamp(var(--kds-sp-4), 4vw, var(--kds-sp-6));
}
.wrap--book { max-width: 880px; }

.eyebrow {
  font: 500 var(--kds-text-xs) / 1.4 var(--kds-font-mono);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--studio-accent) 75%, var(--kds-fg));
}

.sec-head { margin-bottom: clamp(var(--kds-sp-6), 5vh, var(--kds-sp-7)); }
.sec-title {
  font-size: clamp(2.1rem, 5.5vw, 3.6rem);
  line-height: 1.04;
  letter-spacing: -0.028em;
  font-weight: 800;
  margin: var(--kds-sp-3) 0 var(--kds-sp-3);
}
.sec-sub {
  font-family: var(--studio-serif);
  font-style: italic;
  color: var(--kds-fg-muted);
  font-size: var(--kds-text-lg);
  max-width: 56ch;
}

.mono { font-family: var(--kds-font-mono); }
.muted { color: var(--kds-fg-muted); }
.row { display: flex; align-items: center; gap: var(--kds-sp-3); flex-wrap: wrap; }
.row.spread { justify-content: space-between; }
.row.end { justify-content: flex-end; }
.mb-3 { margin-bottom: var(--kds-sp-3); }
.mt-3 { margin-top: var(--kds-sp-3); }
.mt-4 { margin-top: var(--kds-sp-4); }
.mt-5 { margin-top: var(--kds-sp-5); }

.dlg-title { font-size: var(--kds-text-xl); letter-spacing: var(--kds-tracking-tight); }

/* calm entrance — 600ms+, Dawn style */
.view { animation: view-in var(--kds-dur-grand) var(--kds-ease-enter) both; }
.view--late { animation-delay: 150ms; }
@keyframes view-in {
  from { opacity: 0; transform: translateY(26px); }
  to { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .view, .view--late, .hero__sky, .done__ring, .done__tick { animation: none !important; }
}

/* ---------------- 1 · Story hero ---------------- */
.hero {
  position: relative;
  min-height: min(82vh, 780px);
  display: grid;
  place-items: center;
  overflow: hidden;
  text-align: center;
  padding: clamp(var(--kds-sp-7), 9vh, var(--kds-sp-8)) var(--kds-sp-4);
}
.hero__sky {
  position: absolute;
  inset: -12%;
  background:
    radial-gradient(90rem 46rem at 50% 118%, var(--sky-dawn), transparent 62%),
    radial-gradient(64rem 40rem at 14% -12%, var(--sky-iris), transparent 64%),
    radial-gradient(58rem 36rem at 88% -6%, var(--sky-rose), transparent 60%),
    linear-gradient(var(--sky-deep), var(--kds-bg));
  animation: sky-drift 36s var(--kds-ease-standard) infinite alternate;
}
@keyframes sky-drift {
  from { transform: translate3d(-1.5%, 0, 0) scale(1); }
  to { transform: translate3d(1.5%, -1.2%, 0) scale(1.04); }
}
.hero__inner { position: relative; max-width: 900px; display: grid; justify-items: center; gap: var(--kds-sp-5); }
.hero__title {
  font-size: clamp(2.9rem, 9vw, 6.2rem);
  line-height: 1.01;
  letter-spacing: -0.035em;
  font-weight: 800;
  color: var(--kds-fg);
}
.hero__sub {
  font-family: var(--studio-serif);
  font-style: italic;
  font-size: clamp(var(--kds-text-md), 2.3vw, var(--kds-text-xl));
  line-height: 1.7;
  color: var(--kds-fg-muted);
  max-width: 62ch;
}
.hero__cta { margin-top: var(--kds-sp-2); }

.statrow {
  display: flex;
  gap: clamp(var(--kds-sp-5), 6vw, var(--kds-sp-8));
  justify-content: center;
  flex-wrap: wrap;
  padding: var(--kds-sp-4) 0 0;
}
.stat { display: grid; gap: var(--kds-sp-1); justify-items: center; }
.stat__v {
  font: 700 clamp(1.9rem, 4.5vw, 2.8rem) / 1 var(--kds-font-mono);
  letter-spacing: var(--kds-tracking-tight);
}
.stat__l {
  font: 500 var(--kds-text-xs) / 1 var(--kds-font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--kds-fg-muted);
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--kds-sp-4);
}
.feature { display: grid; gap: var(--kds-sp-3); align-content: start; }
.feature h2 { font-size: var(--kds-text-xl); letter-spacing: var(--kds-tracking-tight); }
.feature p { color: var(--kds-fg-muted); font-size: var(--kds-text-sm); }
.feature__icon {
  width: 30px;
  height: 30px;
  fill: none;
  stroke: var(--studio-accent);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.feature__icon circle[r="1.6"] { fill: var(--studio-accent); stroke: none; }

.story-foot {
  margin-top: var(--kds-sp-7);
  text-align: center;
  font: 500 var(--kds-text-xs) / 1.6 var(--kds-font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--kds-fg-muted);
}

/* ---------------- 2 · Master plan ---------------- */
.mp-card { padding: clamp(var(--kds-sp-4), 3vw, var(--kds-sp-6)); }
.mp { width: 100%; height: auto; display: block; border-radius: var(--kds-radius-md); }

.mp-ground { fill: color-mix(in srgb, var(--studio-accent) 3%, var(--kds-surface-2)); }
.mp-podium {
  fill: color-mix(in srgb, var(--kds-positive) 5%, var(--kds-surface));
  stroke: var(--kds-border-strong);
  stroke-width: 1.5;
  stroke-dasharray: 7 6;
}
.mp-note, .mp-label {
  font: 600 12px var(--kds-font-mono);
  letter-spacing: 0.16em;
  fill: var(--kds-fg-muted);
}
.mp-label { text-anchor: middle; }

.mp-drive {
  fill: none;
  stroke: var(--kds-border-strong);
  stroke-width: 14;
  stroke-linecap: round;
}
.mp-green { fill: color-mix(in srgb, var(--kds-positive) 20%, var(--kds-surface)); }
.mp-club {
  fill: color-mix(in srgb, var(--kds-hue-flame) 18%, var(--kds-surface));
  stroke: color-mix(in srgb, var(--kds-hue-flame) 45%, var(--kds-border));
  stroke-width: 1.5;
}
.mp-pool { fill: color-mix(in srgb, var(--kds-hue-sky) 24%, var(--kds-surface)); }
.mp-wave { fill: none; stroke: color-mix(in srgb, var(--kds-hue-sky) 55%, var(--kds-fg)); stroke-width: 1.6; opacity: 0.7; }
.mp-gate {
  fill: var(--kds-border);
  stroke: var(--kds-border-strong);
  stroke-width: 1.5;
}

.mp-tower { cursor: pointer; }
.mp-tower rect {
  fill: var(--kds-surface);
  stroke: var(--kds-border-strong);
  stroke-width: 2;
  transition: fill var(--kds-dur-slow) var(--kds-ease-standard),
    stroke var(--kds-dur-slow) var(--kds-ease-standard);
}
.mp-tower:hover rect, .mp-tower:focus-visible rect {
  fill: color-mix(in srgb, var(--studio-accent) 8%, var(--kds-surface));
  stroke: var(--studio-accent);
}
.mp-tower:focus-visible { outline: none; }
.mp-tower:focus-visible rect { stroke: var(--studio-accent); stroke-width: 3.5; }
.mp-tower__t {
  font: 800 44px var(--kds-font-sans);
  fill: var(--kds-fg);
  text-anchor: middle;
  letter-spacing: -0.02em;
}
.mp-tower__s {
  font: 600 12.5px var(--kds-font-mono);
  letter-spacing: 0.14em;
  fill: var(--kds-fg-muted);
  text-anchor: middle;
}

.legend {
  list-style: none;
  padding: var(--kds-sp-4) 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--kds-sp-3) var(--kds-sp-5);
  font-size: var(--kds-text-sm);
  color: var(--kds-fg-muted);
}
.legend li { display: inline-flex; align-items: center; gap: var(--kds-sp-2); }
.legend__sw { width: 14px; height: 14px; border-radius: 4px; display: inline-block; }
.legend__sw--tower {
  background: var(--kds-surface);
  border: 1.5px solid color-mix(in srgb, var(--studio-accent) 70%, var(--kds-border-strong));
}
.legend__sw--club { background: color-mix(in srgb, var(--kds-hue-flame) 25%, var(--kds-surface)); }
.legend__sw--pool { background: color-mix(in srgb, var(--kds-hue-sky) 30%, var(--kds-surface)); }
.legend__sw--green { background: color-mix(in srgb, var(--kds-positive) 25%, var(--kds-surface)); }
.legend__sw--drive { background: var(--kds-border-strong); }

/* ---------------- 3 · Residences ---------------- */
.res-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--kds-sp-4);
}
.res { display: grid; gap: var(--kds-sp-3); align-content: start; }

.plan { width: 100%; height: auto; display: block; }
.plan__shell {
  fill: var(--kds-surface);
  stroke: var(--kds-border-strong);
  stroke-width: 2;
}
.plan__room {
  fill: color-mix(in srgb, var(--studio-accent) 5%, var(--kds-surface));
  stroke: color-mix(in srgb, var(--studio-accent) 30%, var(--kds-border-strong));
  stroke-width: 1;
}
.plan__label {
  font: 500 9.5px var(--kds-font-mono);
  fill: var(--kds-fg-muted);
  text-anchor: middle;
  letter-spacing: 0.04em;
}

.res__head { display: flex; align-items: center; justify-content: space-between; gap: var(--kds-sp-2); flex-wrap: wrap; }
.res__head h2 { font-size: var(--kds-text-xl); letter-spacing: var(--kds-tracking-tight); }
.res__title { color: var(--kds-fg-muted); font-weight: 500; font-family: var(--studio-serif); font-style: italic; }
.res__rooms {
  font: 500 var(--kds-text-xs) / 1.5 var(--kds-font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--kds-fg-muted);
}
.res__note { color: var(--kds-fg-muted); font-size: var(--kds-text-sm); }
.res__foot {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--kds-sp-3);
  border-top: 1px solid var(--kds-border);
  padding-top: var(--kds-sp-4);
  margin-top: var(--kds-sp-2);
}
.res__foot > div { display: grid; gap: 2px; }
.res__price { font: 700 var(--kds-text-2xl) / 1 var(--kds-font-mono); letter-spacing: var(--kds-tracking-tight); }
.res__onwards { font-size: var(--kds-text-sm); color: var(--kds-fg-muted); }

/* ---------------- 4 · Price It ---------------- */
.calc {
  display: grid;
  grid-template-columns: minmax(260px, 5fr) minmax(300px, 7fr);
  gap: var(--kds-sp-4);
  align-items: start;
}
@media (max-width: 780px) { .calc { grid-template-columns: 1fr; } }

.calc__unit {
  border-top: 1px solid var(--kds-border);
  padding-top: var(--kds-sp-4);
  color: var(--kds-fg-muted);
  font-size: var(--kds-text-sm);
  display: flex;
  align-items: center;
  gap: var(--kds-sp-2);
  flex-wrap: wrap;
}

.cost { list-style: none; padding: 0; display: grid; gap: var(--kds-sp-2); }
.cost li {
  display: flex;
  justify-content: space-between;
  gap: var(--kds-sp-4);
  font-size: var(--kds-text-sm);
  color: var(--kds-fg-muted);
  padding-bottom: var(--kds-sp-2);
  border-bottom: 1px dashed color-mix(in srgb, var(--kds-border) 70%, transparent);
}
.cost li span:last-child { font-family: var(--kds-font-mono); color: var(--kds-fg); text-align: right; }

.calc__totalwrap { display: grid; gap: var(--kds-sp-1); padding-top: var(--kds-sp-5); }
.calc__total {
  font: 700 clamp(2rem, 5vw, 3.1rem) / 1.05 var(--kds-font-mono);
  letter-spacing: var(--kds-tracking-tight);
  color: var(--kds-fg);
  font-variant-numeric: tabular-nums;
}

/* ---------------- 5 · Reserve ---------------- */
.dots {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--kds-sp-2);
  margin-bottom: var(--kds-sp-6);
  counter-reset: step;
}
.dots__item { display: grid; gap: var(--kds-sp-2); }
.dots__bar {
  height: 4px;
  border-radius: var(--kds-radius-full);
  background: var(--kds-surface-2);
  transition: background var(--kds-dur-grand) var(--kds-ease-standard);
}
.dots__item--done .dots__bar { background: color-mix(in srgb, var(--studio-accent) 55%, var(--kds-surface-2)); }
.dots__item--on .dots__bar { background: var(--studio-accent); }
.dots__l { font-size: var(--kds-text-xs); color: var(--kds-fg-muted); }
.dots__item--on .dots__l { color: var(--kds-fg); }

.book-stage { animation: view-in var(--kds-dur-grand) var(--kds-ease-enter) both; }
.book-q {
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  letter-spacing: var(--kds-tracking-tight);
  font-weight: 700;
  margin-bottom: var(--kds-sp-5);
}

.typ-chips { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--kds-sp-3); }
.typ-chip {
  display: grid;
  gap: var(--kds-sp-1);
  text-align: left;
  background: var(--kds-surface);
  color: var(--kds-fg);
  border: 1px solid var(--kds-border);
  border-radius: var(--kds-radius-lg);
  padding: var(--kds-sp-4) var(--kds-sp-5);
  cursor: pointer;
  font: inherit;
  transition: border-color var(--kds-dur-base) var(--kds-ease-standard),
    background var(--kds-dur-base) var(--kds-ease-standard),
    transform var(--kds-dur-base) var(--kds-ease-standard);
}
.typ-chip:hover { border-color: var(--kds-border-strong); transform: translateY(-2px); }
.typ-chip:focus-visible { outline: 2px solid var(--kds-focus-ring); outline-offset: 2px; }
.typ-chip[aria-pressed="true"] {
  border-color: var(--studio-accent);
  background: color-mix(in srgb, var(--studio-accent) 12%, var(--kds-surface));
}
.typ-chip__k { font-weight: 700; font-size: var(--kds-text-lg); letter-spacing: var(--kds-tracking-tight); }
.typ-chip__d { font-size: var(--kds-text-xs); color: var(--kds-fg-muted); font-family: var(--kds-font-mono); }

.unit-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--kds-sp-3); }
.unit-card {
  display: grid;
  gap: var(--kds-sp-1);
  text-align: left;
  background: var(--kds-surface);
  color: var(--kds-fg);
  border: 1px solid var(--kds-border);
  border-radius: var(--kds-radius-lg);
  padding: var(--kds-sp-4);
  cursor: pointer;
  font: inherit;
  transition: border-color var(--kds-dur-base) var(--kds-ease-standard),
    background var(--kds-dur-base) var(--kds-ease-standard),
    transform var(--kds-dur-base) var(--kds-ease-standard);
}
.unit-card:hover { border-color: var(--kds-border-strong); transform: translateY(-2px); }
.unit-card:focus-visible { outline: 2px solid var(--kds-focus-ring); outline-offset: 2px; }
.unit-card--on {
  border-color: var(--studio-accent);
  background: color-mix(in srgb, var(--studio-accent) 12%, var(--kds-surface));
}
.unit-card__id { font-weight: 700; font-size: var(--kds-text-lg); }
.unit-card__meta { font-size: var(--kds-text-xs); color: var(--kds-fg-muted); }
.unit-card__aspect { font-family: var(--studio-serif); font-style: italic; font-size: var(--kds-text-sm); color: var(--kds-fg-muted); }
.unit-card__price { margin-top: var(--kds-sp-2); font-weight: 700; color: color-mix(in srgb, var(--studio-accent) 60%, var(--kds-fg)); }

.book-form { max-width: 440px; }
.review { max-width: 640px; }

.done { display: grid; justify-items: center; text-align: center; gap: var(--kds-sp-3); padding: var(--kds-sp-6) 0; }
.done__check { width: 96px; height: 96px; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.done__ring {
  stroke: color-mix(in srgb, var(--kds-positive) 70%, var(--kds-fg));
  stroke-width: 3;
  stroke-dasharray: 264;
  stroke-dashoffset: 264;
  animation: draw-in 900ms var(--kds-ease-enter) forwards;
}
.done__tick {
  stroke: color-mix(in srgb, var(--kds-positive) 65%, var(--kds-fg));
  stroke-width: 6;
  stroke-dasharray: 70;
  stroke-dashoffset: 70;
  animation: draw-in 600ms var(--kds-ease-enter) 500ms forwards;
}
@keyframes draw-in { to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce) {
  .done__ring, .done__tick { stroke-dashoffset: 0; }
}
.done__sub {
  font-family: var(--studio-serif);
  font-style: italic;
  color: var(--kds-fg-muted);
  max-width: 46ch;
}

/* ---------------- Chrome ---------------- */
.demo-note {
  position: fixed;
  left: var(--kds-sp-4);
  bottom: var(--kds-sp-4);
  font: 500 var(--kds-text-xs) / 1 var(--kds-font-mono);
  letter-spacing: 0.08em;
  color: var(--kds-fg-muted);
  background: color-mix(in srgb, var(--kds-surface) 85%, transparent);
  border: 1px solid var(--kds-border);
  border-radius: var(--kds-radius-full);
  padding: 0.45rem 0.8rem;
  backdrop-filter: blur(8px);
  pointer-events: none;
  z-index: var(--kds-z-sticky);
}

@media (max-width: 640px) {
  .topbar { flex-direction: column; align-items: flex-start; gap: var(--kds-sp-2); }
  .dots__l { display: none; }
}