/* RoomFit site — one stylesheet for the landing page and the legal pages.
   Colours come from the app icon (shared/brand/make_icon.swift) and the plan
   renderer (APP_SPEC §C.2): paper #F6F4EF / #16181C, ink #2B2D31, green #2D7A61. */

:root {
  color-scheme: light dark;
  --paper: #f6f4ef;
  --surface: #ffffff;
  --ink: #2b2d31;
  --ink-2: #5d6168;
  --line: rgba(43, 45, 49, 0.12);
  --grid: rgba(43, 45, 49, 0.06);
  --grid-strong: rgba(43, 45, 49, 0.1);
  --green: #2d7a61;
  --green-ink: #1f5c48;
  --green-soft: rgba(45, 122, 97, 0.1);
  --warn: #c7741f;
  --wall: #2b2d31;
  --room: #ffffff;
  --btn-bg: #2b2d31;
  --btn-ink: #ffffff;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(43, 45, 49, 0.06), 0 12px 32px -12px rgba(43, 45, 49, 0.18);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, Roboto, "Helvetica Neue",
    "Noto Sans", "Apple SD Gothic Neo", "Hiragino Sans", "PingFang SC", "Noto Sans CJK", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #16181c;
    --surface: #1f2227;
    --ink: #eceae5;
    --ink-2: #a3a7ae;
    --line: rgba(236, 234, 229, 0.12);
    --grid: rgba(236, 234, 229, 0.05);
    --grid-strong: rgba(236, 234, 229, 0.09);
    --green: #4aa585;
    --green-ink: #7cc7aa;
    --green-soft: rgba(74, 165, 133, 0.14);
    --warn: #e39a4b;
    --wall: #d9d6cf;
    --room: #1f2227;
    --btn-bg: #eceae5;
    --btn-ink: #16181c;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 16px 40px -16px rgba(0, 0, 0, 0.6);
  }
}
:root[data-theme="dark"] {
  --paper: #16181c;
  --surface: #1f2227;
  --ink: #eceae5;
  --ink-2: #a3a7ae;
  --line: rgba(236, 234, 229, 0.12);
  --grid: rgba(236, 234, 229, 0.05);
  --grid-strong: rgba(236, 234, 229, 0.09);
  --green: #4aa585;
  --green-ink: #7cc7aa;
  --green-soft: rgba(74, 165, 133, 0.14);
  --warn: #e39a4b;
  --wall: #d9d6cf;
  --room: #1f2227;
  --btn-bg: #eceae5;
  --btn-ink: #16181c;
}

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

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

body {
  margin: 0;
  background-color: var(--paper);
  /* the plan's grid paper: hairlines every 24px, a stronger line every 120px */
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--ink);
  font: 16px/1.6 var(--font);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--green-ink); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; border-radius: 6px; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 640px) { .wrap { padding: 0 28px; } }

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

/* ---------------------------------------------------------------- header */

.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 18px; padding-bottom: 18px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none;
  font-weight: 700; font-size: 1.1rem; letter-spacing: -0.01em; }
.brand img { width: 34px; height: 34px; border-radius: 9px; box-shadow: 0 0 0 1px var(--line); }

.lang { position: relative; display: inline-flex; align-items: center; gap: 6px; color: var(--ink-2); font-size: 0.9rem; }
.lang svg { width: 18px; height: 18px; flex: none; }
.lang select {
  appearance: none; -webkit-appearance: none; font: inherit; color: var(--ink);
  background: var(--surface); border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 30px 6px 12px; max-width: 46vw; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-2) 50%),
    linear-gradient(135deg, var(--ink-2) 50%, transparent 50%);
  background-position: calc(100% - 15px) 52%, calc(100% - 10px) 52%;
  background-size: 5px 5px, 5px 5px; background-repeat: no-repeat;
}
[dir="rtl"] .lang select { padding: 6px 12px 6px 30px; background-position: 15px 52%, 10px 52%; }

/* ------------------------------------------------------------------ hero */

.hero { display: grid; gap: 40px; align-items: center; padding: 28px 0 56px; }
@media (min-width: 900px) { .hero { grid-template-columns: 1.05fr 1fr; gap: 56px; padding: 56px 0 80px; } }

.hero h1 {
  font-size: clamp(2.1rem, 5.6vw, 3.5rem); line-height: 1.08; letter-spacing: -0.03em;
  margin: 0 0 18px; font-weight: 750; text-wrap: balance;
}
:lang(ja) .hero h1, :lang(zh) .hero h1, :lang(ko) .hero h1, :lang(th) .hero h1 { letter-spacing: -0.01em; line-height: 1.2; }
:lang(ar) .hero h1, :lang(he) .hero h1, :lang(hi) .hero h1 { letter-spacing: 0; line-height: 1.25; }
/* CJK line breaking: never split a Korean word; break Japanese at phrase boundaries where supported. */
:lang(ko) body { word-break: keep-all; overflow-wrap: anywhere; }
:lang(ja) .hero h1, :lang(ja) .hero .sub { word-break: auto-phrase; line-break: strict; }
:lang(zh) .hero h1 { line-break: strict; }
.hero .sub { font-size: clamp(1.05rem, 2.2vw, 1.2rem); color: var(--ink-2); margin: 0 0 28px; max-width: 34em; text-wrap: pretty; }

/* store buttons */
.stores { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.store {
  display: inline-flex; align-items: center; gap: 10px; min-width: 158px; padding: 9px 16px 9px 13px;
  border-radius: 12px; background: var(--btn-bg); color: var(--btn-ink); text-decoration: none;
  box-shadow: var(--shadow); transition: transform 0.15s ease, opacity 0.15s ease;
  border: 0; font: inherit; cursor: pointer; text-align: start;
}
a.store:hover { transform: translateY(-1px); }
a.store:active { transform: translateY(0); }
.store svg { width: 26px; height: 26px; flex: none; fill: currentColor; }
.store .t { display: flex; flex-direction: column; line-height: 1.15; }
.store small { font-size: 0.72rem; opacity: 0.85; }
.store b { font-size: 1.12rem; font-weight: 650; letter-spacing: -0.01em; }
.store[aria-disabled="true"] { cursor: default; opacity: 0.55; box-shadow: none; }
.soon {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px;
  background: var(--green-soft); color: var(--green-ink); font-weight: 600; font-size: 0.9rem;
}
.soon[hidden] { display: none; }
.soon::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
.stores-wrap { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }

/* plan illustration */
.plan-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow);
  padding: 14px; position: relative;
}
.plan-card svg { display: block; width: 100%; height: auto; }
.plan .paper { fill: var(--paper); }
.plan .grid { stroke: var(--grid-strong); stroke-width: 1; }
.plan .room { fill: var(--room); }
.plan .wall { fill: var(--wall); }
.plan .swing { fill: none; stroke: var(--ink-2); stroke-width: 3; opacity: 0.7; }
.plan .leaf { stroke: var(--wall); stroke-width: 5; stroke-linecap: round; }
.plan .piece { fill: var(--green); }
.plan .piece.light { fill: var(--green); opacity: 0.55; }
.plan .label { fill: #fff; font: 600 13px var(--font); }
.plan .dim { stroke: var(--ink-2); stroke-width: 1.5; }
.plan .dimtext { fill: var(--ink-2); font: 600 13px var(--font); }
.plan .warn-ring { fill: none; stroke: var(--warn); stroke-width: 3; stroke-dasharray: 7 6; }
.plan .warn-dot { fill: var(--warn); }
.plan .warn-mark { fill: #fff; font: 800 15px var(--font); }
.plan-card .chip {
  position: absolute; inset-inline-start: 26px; bottom: 26px; display: inline-flex; align-items: center; gap: 6px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px;
  font-size: 0.82rem; font-weight: 600; color: var(--ink); box-shadow: var(--shadow);
}
.plan-card .chip svg { width: 15px; height: 15px; fill: var(--green); }

/* furniture glides into place once, like a tap on Arrange */
@media (prefers-reduced-motion: no-preference) {
  .plan .move { animation: arrange 1.1s cubic-bezier(0.2, 0.8, 0.2, 1) both; }
  /* start positions stay inside the room, so a mid-animation capture still reads as a plan */
  .plan .m1 { --dx: -90px; --dy: -50px; animation-delay: 0.25s; }
  .plan .m2 { --dx: -60px; --dy: 40px; animation-delay: 0.4s; }
  .plan .m3 { --dx: 60px; --dy: 50px; animation-delay: 0.55s; }
  .plan .m4 { --dx: 60px; --dy: -60px; animation-delay: 0.7s; }
  .plan .fade { animation: fade 0.6s ease both; animation-delay: 1.5s; }
}
/* Transform only, never hidden: a screenshot or link preview taken mid-animation still shows a furnished room. */
@keyframes arrange { from { transform: translate(var(--dx), var(--dy)); } to { transform: none; } }
@keyframes fade { from { opacity: 0.2; } to { opacity: 1; } }

/* -------------------------------------------------------------- features */

.features { list-style: none; margin: 0; padding: 0 0 72px; display: grid; gap: 14px; }
@media (min-width: 640px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .features { grid-template-columns: repeat(3, 1fr); } }
.features li {
  display: flex; gap: 14px; align-items: flex-start; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px 18px 18px 16px; font-size: 1rem; line-height: 1.5;
}
.features .ic {
  flex: none; width: 40px; height: 40px; border-radius: 11px; background: var(--green-soft);
  display: grid; place-items: center; color: var(--green);
}
.features .ic svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.features p { margin: 8px 0 0; }

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

.foot { border-top: 1px solid var(--line); padding: 24px 0 40px; color: var(--ink-2); font-size: 0.92rem; }
.foot .wrap { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; justify-content: space-between; }
.foot nav { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.foot a { color: var(--ink-2); text-decoration: none; }
.foot a:hover { color: var(--ink); text-decoration: underline; }

/* ----------------------------------------------------------- legal pages */

.doc { max-width: 44rem; margin: 0 auto; padding: 8px 16px 64px; }
@media (min-width: 640px) { .doc { padding: 8px 28px 80px; } }
.doc article {
  background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 28px 20px 36px;
}
@media (min-width: 640px) { .doc article { padding: 40px 44px 48px; } }
.doc h1 { font-size: 1.9rem; line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 6px; }
.doc h2 { font-size: 1.12rem; margin: 2.2rem 0 0.5rem; letter-spacing: -0.005em; }
.doc h3 { font-size: 1rem; margin: 1.4rem 0 0.4rem; }
.doc .sub { color: var(--ink-2); margin: 0 0 1.6rem; }
.doc .alt { font-size: 0.92rem; margin: 0 0 1.6rem; }
.doc ul, .doc ol { padding-inline-start: 1.3rem; }
.doc li { margin: 0.35rem 0; }
.doc strong { font-weight: 650; }
.doc .lead { font-size: 1.04rem; }
.doc .note { background: var(--green-soft); border-radius: 12px; padding: 12px 16px; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0.8rem 0; }
.doc table { border-collapse: collapse; width: 100%; font-size: 0.9rem; min-width: 34rem; }
.doc th, .doc td { border: 1px solid var(--line); padding: 8px 10px; text-align: start; vertical-align: top; }
.doc th { background: var(--green-soft); font-weight: 650; }
.doc details { border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px; margin: 10px 0; }
.doc details summary { cursor: pointer; font-weight: 650; }
.doc details[open] summary { margin-bottom: 6px; }