/* interier37.ru — «пастельный скандинавский»: светло-серый, пыльная роза, шалфей, светлое дерево, антиква в заголовках */
:root {
  --bg: #F4F2EF; --card: #FBFAF8; --line: #E6E1DA; --ink: #2C2B29; --mute: #6F6A63;
  --rose: #C98479; --rose-l: #F1DCD6; --sage: #93A88A; --sage-l: #DDE6D7; --wood: #C9A276; --wood-l: #EFE3D2;
  --p-tight: rgba(232, 140, 128, .55); --p-ok: rgba(240, 206, 110, .5); --p-free: rgba(150, 190, 130, .2);
  --r: 18px; --sh: 0 1px 2px rgba(60, 50, 40, .05), 0 10px 30px -12px rgba(60, 50, 40, .14);
  --serif: 'Lora', Georgia, serif; --sans: 'Mulish', system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 var(--sans); overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; }
button { font: inherit; color: inherit; cursor: pointer; }
svg { width: 1em; height: 1em; }
.wrap { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.12; margin: 0; letter-spacing: -.01em; }
h2 { font-size: clamp(30px, 3.4vw, 44px); }
.c { text-align: center; }
.sub { color: var(--mute); margin: 10px 0 0; max-width: 60ch; }
.sub.c { margin-inline: auto; }
.sec { padding: 72px 0; position: relative; }

/* проявление */
.rv { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .2, 1); }
.rv.on { opacity: 1; transform: none; }

/* листья по краям — размытые силуэты, как на макете */
.leaves { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.leaves i { position: absolute; width: 160px; height: 60px; border-radius: 100% 0; background: var(--sage); opacity: .22; filter: blur(7px);
  transform: translateY(var(--py, 0)) rotate(var(--rot)); animation: sway 9s ease-in-out infinite alternate; }
.leaves i:nth-child(1) { left: -50px; top: 26%; --rot: 35deg; }
.leaves i:nth-child(2) { right: -60px; top: 58%; --rot: -140deg; width: 200px; animation-delay: -3s; }
.leaves i:nth-child(3) { left: -40px; top: 88%; --rot: -20deg; width: 120px; background: #7E9476; animation-delay: -6s; }
@keyframes sway { to { rotate: 6deg; } }
main, .hero, .rooms, .foot { position: relative; z-index: 1; }

/* ——— первый экран */
.hero { position: relative; min-height: 600px; overflow: hidden; display: flex; align-items: center;
  --mx: 78%; --my: 30%; }
.hero-ph { position: absolute; inset: 0; }
.hero-ph img { width: 100%; height: 100%; object-fit: cover; object-position: 70% 50%; transform: scale(1.04); will-change: transform; }
.hero::after { content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(600px 400px at var(--mx) var(--my), rgba(255, 244, 222, .35), transparent 70%),
    linear-gradient(90deg, rgba(246, 242, 236, .9) 0 28%, rgba(246, 242, 236, .4) 46%, transparent 62%); }
.hero .wrap { position: relative; z-index: 1; width: 100%; padding-top: 28px; padding-bottom: 96px; }
.brand { display: flex; align-items: center; gap: 18px; }
.brand a { font-family: var(--serif); font-size: 24px; text-decoration: none; font-weight: 600; }
.brand span { font-size: 10.5px; line-height: 1.3; text-transform: uppercase; letter-spacing: .08em; color: var(--mute); }
.hero h1 { font-size: clamp(42px, 5.4vw, 72px); margin-top: 64px; max-width: 13ch; }
.hero h1 small { display: block; font-size: .46em; margin-top: 10px; letter-spacing: 0; max-width: none; }
.lead { max-width: 46ch; color: #4E4943; margin: 22px 0 0; font-size: 17px; }

/* ——— плитки-комнаты */
.rooms { margin-top: -64px; }
.rooms .wrap { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.room { background: var(--card); border-radius: var(--r); box-shadow: var(--sh); text-decoration: none; padding: 8px 8px 16px;
  display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto auto 1fr; align-content: start; column-gap: 8px; position: relative;
  transition: transform .35s cubic-bezier(.2, .7, .2, 1), box-shadow .35s; }
.room img { grid-column: 1 / -1; border-radius: 12px; aspect-ratio: 1.4; height: auto; object-fit: cover; width: 100%; transition: transform .6s; }
.room:hover { transform: translateY(-6px); box-shadow: 0 2px 4px rgba(60, 50, 40, .06), 0 22px 40px -16px rgba(60, 50, 40, .25); }
.room:hover img { transform: scale(1.03); }
.room b { font-family: var(--serif); font-weight: 500; font-size: 21px; padding: 12px 8px 0; }
.room small { grid-column: 1; color: var(--mute); font-size: 13px; line-height: 1.35; padding: 2px 8px 0; }
.room i { grid-column: 2; grid-row: 2 / 4; align-self: center; width: 36px; height: 36px; border-radius: 50%; background: var(--c);
  color: #fff; display: grid; place-items: center; margin-right: 6px; transition: transform .3s; }
.room:hover i { transform: translateX(4px); }
.room[aria-current="true"] { outline: 2px solid var(--rose); outline-offset: 2px; }

/* ——— планировщик */
.pl-card { background: var(--card); border-radius: 26px; box-shadow: var(--sh); padding: 36px 32px; display: grid;
  grid-template-columns: minmax(0, 400px) minmax(0, 1fr) 200px; grid-template-areas: "head main sum" "ctl main sum" "pal main sum";
  grid-template-rows: auto auto 1fr; column-gap: 28px; align-items: start; max-width: 1240px; }
.pl-card { overflow: clip; overflow-clip-margin: 12px; }
.pl-head { grid-area: head; } .pl-ctl { grid-area: ctl; } .pl-pal { grid-area: pal; } .pl-main { grid-area: main; } .pl-sum { grid-area: sum; }
.pl-head h2 { font-size: clamp(28px, 2.8vw, 38px); }
.pl-head .sub { font-size: 14.5px; }
.step { font-family: var(--serif); font-size: 18px; margin: 26px 0 12px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.step i { font-style: normal; width: 26px; height: 26px; border-radius: 50%; background: var(--rose-l); color: var(--rose);
  display: grid; place-items: center; font: 600 14px var(--sans); }
.step small { font: 13px var(--sans); color: var(--mute); }
.step span { font-style: italic; }
.houses { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.houses.h3 { grid-template-columns: repeat(3, 1fr); }
.houses button { background: #fff; border: 1.5px solid var(--line); border-radius: 12px; padding: 8px 6px 8px; display: grid;
  gap: 6px; text-align: left; transition: border-color .2s, background .2s, transform .2s; }
.houses img { height: 72px; width: 100%; object-fit: contain; object-position: bottom; transition: transform .4s; }
.houses button:hover img { transform: translateY(-3px); }
.houses span { font-size: 12px; line-height: 1.2; font-weight: 600; }
.houses [aria-pressed="true"] { border-color: var(--rose); background: #FDF5F3; }
.hnote { font-size: 12.5px; color: var(--mute); margin: 8px 0 0; min-height: 1em; }
.room-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.room-tabs button { border: 1.5px solid var(--line); background: #fff; border-radius: 99px; padding: 5px 12px; font-size: 13px; font-weight: 600; transition: .2s; }
.room-tabs [aria-current="true"] { background: var(--sage); border-color: var(--sage); color: #fff; }
.dims { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.dims label { font-size: 13px; color: var(--mute); display: grid; gap: 4px; }
.dims span { display: flex; align-items: center; border: 1.5px solid var(--line); border-radius: 10px; background: #fff; padding: 0 12px; }
.dims input { border: 0; outline: 0; width: 100%; font: 600 17px var(--sans); padding: 9px 0; background: none; color: var(--ink); }
.dims span:focus-within { border-color: var(--sage); }
.dims em { font-style: normal; font-size: 12px; }
.pal { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.pal button { display: flex; align-items: center; gap: 10px; background: #fff; border: 1.5px solid var(--line); border-radius: 12px;
  padding: 8px 10px; text-align: left; transition: border-color .2s, transform .2s; }
.pal button:hover { border-color: var(--sage); transform: translateY(-2px); }
.pal button:active { transform: scale(.97); }
.pal img { width: 54px; height: 34px; object-fit: contain; flex: none; }
.pal span { font-size: 13px; font-weight: 600; line-height: 1.25; }
.pal small { display: block; font-weight: 400; color: var(--mute); font-size: 12px; }
.pal [hidden] { display: none; }

.pl-main { position: sticky; top: 16px; }
.pl-stage { display: grid; place-items: center; padding: 34px 0 10px; min-height: 360px; }
.pl-plan { position: relative; background: #EDE3D3; transition: width .35s, height .35s; box-shadow: inset 0 0 0 1px rgba(0,0,0,.04), 0 18px 40px -18px rgba(60, 50, 40, .35); }
.pl-plan::before { content: ''; position: absolute; inset: 0;  /* паркет */
  background: repeating-linear-gradient(90deg, transparent 0 22px, rgba(150, 110, 70, .1) 22px 23px), linear-gradient(#EFE5D6, #E8DBC6); }
.pl-plan canvas { position: absolute; inset: 0; image-rendering: pixelated; }
.pl-svg { position: absolute; left: -30px; top: -30px; overflow: visible; pointer-events: none; }
.w-wall { fill: none; stroke: #8E8A84; stroke-width: 10; filter: drop-shadow(0 2px 0 #6F6A63); }
.w-win { fill: #fff; stroke: #8E8A84; stroke-width: 1.5; }
.w-win-l { stroke: #9BB7C9; stroke-width: 2; }
.w-bat { fill: #fff; stroke: #B9B4AC; stroke-width: 1; }
.w-gap { fill: var(--card); }
.w-door { stroke: #6F6A63; stroke-width: 3; stroke-linecap: round; }
.w-arc { fill: none; stroke: #8E8A84; stroke-width: 1.2; stroke-dasharray: 4 4; }
.w-path { fill: none; stroke: var(--ink); stroke-width: 1.6; stroke-dasharray: 2 6; stroke-linecap: round; opacity: .55;
  animation: ant 1.2s linear infinite; }
@keyframes ant { to { stroke-dashoffset: -16; } }
.w-dim path { stroke: var(--mute); stroke-width: 1; fill: none; }
.w-dim text { font: 600 11.5px var(--sans); fill: var(--mute); text-anchor: middle; }
.pl-items { position: absolute; inset: 0; }
.pl-it { position: absolute; touch-action: none; cursor: grab; border-radius: 4px; outline: none;
  transition: left .25s cubic-bezier(.2, .7, .2, 1), top .25s cubic-bezier(.2, .7, .2, 1); }
.pl-it.is-drag { transition: none; cursor: grabbing; z-index: 3; }
.pl-it.is-drag img { filter: drop-shadow(0 10px 12px rgba(40, 30, 20, .3)); }
.pl-it img { position: absolute; left: 50%; top: 50%; max-width: none; pointer-events: none; filter: drop-shadow(0 2px 3px rgba(40, 30, 20, .2)); }
.pl-it::after { content: ''; position: absolute; inset: -2px; border-radius: 6px; border: 2px solid transparent; transition: border-color .2s; }
.pl-it:hover::after, .pl-it:focus-visible::after, .pl-it.is-sel::after { border-color: rgba(147, 168, 138, .9); }
.pl-it.is-bad::after { border-color: #D9534F; box-shadow: 0 0 0 4px rgba(217, 83, 79, .15); }
.pl-tag { position: absolute; left: 50%; bottom: calc(100% + 6px); transform: translateX(-50%); white-space: nowrap; background: var(--ink);
  color: #fff; font-size: 11px; padding: 3px 8px; border-radius: 6px; opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 4; }
.pl-tag i { font-style: normal; opacity: .7; margin-left: 6px; }
.pl-it:hover .pl-tag, .pl-it:focus-visible .pl-tag, .pl-it.is-drag .pl-tag { opacity: 1; }
.pl-rot, .pl-del { position: absolute; width: 24px; height: 24px; border-radius: 50%; border: 0; background: #fff; box-shadow: 0 1px 4px rgba(0, 0, 0, .25);
  font-size: 14px; line-height: 1; display: grid; place-items: center; opacity: 0; transition: opacity .2s; z-index: 4; padding: 0; }
.pl-rot { right: -10px; top: -10px; } .pl-del { left: -10px; top: -10px; color: #B8433F; }
.pl-it:hover :is(.pl-rot, .pl-del), .pl-it.is-sel :is(.pl-rot, .pl-del), .pl-it:focus-within :is(.pl-rot, .pl-del) { opacity: 1; }
@media (hover: none) { .pl-it.is-sel :is(.pl-rot, .pl-del) { opacity: 1; width: 30px; height: 30px; } }
.pl-help { font-size: 12.5px; color: var(--mute); text-align: center; margin: 6px 0 0; }

.pl-sum { display: grid; gap: 12px; }
.pl-sum > div { background: #fff; border-radius: 14px; padding: 16px; box-shadow: 0 1px 2px rgba(60, 50, 40, .06); }
.pl-sum h4 { font: 500 16px var(--serif); margin: 0 0 10px; }
.leg p { display: grid; grid-template-columns: 26px 1fr; margin: 0 0 8px; font-size: 13px; line-height: 1.2; }
.leg i { grid-row: span 2; width: 20px; height: 20px; border-radius: 50%; align-self: center; }
.leg small { color: var(--mute); }
.leg .leg-n { display: block; font-size: 11.5px; color: var(--mute); line-height: 1.35; margin: 10px 0 0; }
.d-tight { background: #E8A49B; } .d-ok { background: #EED58A; } .d-free { background: #A9C79A; }
.sum small { display: block; font-size: 12px; color: var(--mute); margin-top: 10px; line-height: 1.3; }
.sum b { font: 500 24px var(--serif); }
.sum [data-o="pct"] { font-size: 13px; color: var(--mute); }
.sum .v-tight { color: #C24D45; } .sum .v-ok { color: #A88420; } .sum .v-free { color: #5E8550; }
.sum .mn { display: block; font-size: 12.5px; color: var(--mute); line-height: 1.3; }
.warn { margin: 0; font-size: 13px; background: #FBE9E6; color: #9A3E37; border-radius: 12px; padding: 10px 12px; line-height: 1.35; }
.reset { border: 1.5px solid var(--line); background: #fff; border-radius: 12px; padding: 10px; font-size: 13px; font-weight: 600; }
.reset:hover { border-color: var(--rose); }

/* ——— пять правил */
.pr { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-top: 36px; background: var(--card); border-radius: 26px;
  padding: 22px; box-shadow: var(--sh); }
.pr article:nth-child(2) { transition-delay: .08s; } .pr article:nth-child(3) { transition-delay: .16s; }
.pr article:nth-child(4) { transition-delay: .24s; } .pr article:nth-child(5) { transition-delay: .32s; }
.pr .ph { position: relative; border-radius: 12px; overflow: hidden; }
.pr .ph img { aspect-ratio: 1.4; height: auto; object-fit: cover; width: 100%; transition: transform .7s; }
.pr article:hover .ph img { transform: scale(1.05); }
.pr .ph span { position: absolute; left: 10px; top: 10px; font: 500 20px/1 var(--serif); color: var(--rose); background: rgba(251, 250, 248, .92); padding: 7px 9px 6px; border-radius: 10px; }
.pr h3 { font-size: 19px; margin: 14px 4px 6px; }
.pr p { font-size: 13.5px; color: var(--mute); margin: 0 4px; line-height: 1.45; }

/* ——— текстиль */
.tx { position: relative; overflow: hidden; min-height: 400px; display: flex; align-items: center; margin: 24px 0; }
.tx-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.tx::before { content: ''; position: absolute; inset: 0; z-index: 1;
  background: radial-gradient(ellipse 34% 70% at 50% 50%, rgba(250, 246, 240, .92), rgba(250, 246, 240, .55) 60%, transparent 100%); }
.tx .wrap { position: relative; z-index: 2; width: 100%; display: flex; justify-content: center; }
.tx-in { max-width: 440px; padding: 32px 0; text-align: center; }
.pill { display: inline-block; font-size: 10.5px; text-transform: uppercase; letter-spacing: .08em; background: var(--rose-l); color: #9C5A50;
  padding: 4px 10px; border-radius: 99px; font-weight: 700; }
.tx h2 { margin: 14px 0 12px; }
.tx p { color: #4E4943; margin: 0 0 22px; }
.btn { display: inline-flex; align-items: center; gap: 10px; background: var(--rose); color: #fff; text-decoration: none; padding: 13px 24px;
  border-radius: 99px; font-weight: 600; transition: background .2s, gap .2s; }
.btn:hover { background: #B8706A; gap: 14px; }

/* ——— вопросы */
.faq { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 18px; margin-top: 26px; align-items: start; }
.faq details { background: var(--card); border-radius: 12px; box-shadow: 0 1px 2px rgba(60, 50, 40, .06); }
.faq summary { list-style: none; cursor: pointer; padding: 14px 18px; display: flex; justify-content: space-between; gap: 12px; font-size: 14.5px; font-weight: 600; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary svg { flex: none; margin-top: 4px; transition: transform .3s; }
.faq details[open] summary svg { transform: rotate(180deg); }
.faq p { margin: 0; padding: 0 18px 16px; font-size: 14.5px; color: #4E4943; }

/* ——— подвал */
.foot { border-top: 1px solid var(--line); padding: 34px 0; margin-top: 30px; }
.foot .wrap { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 8px 28px; }
.foot .note { grid-column: 2 / 3; }
.foot .brand span { text-transform: none; letter-spacing: 0; font-size: 12px; }
.foot nav { justify-self: end; display: flex; gap: 22px; font-size: 13px; font-weight: 700; }
.foot nav a { text-decoration: none; }
.foot nav a:hover { color: var(--rose); }
.foot .note { text-align: right; font-size: 12px; color: var(--mute); margin: 0; }
.up { width: 42px; height: 42px; border-radius: 50%; background: var(--sage); color: #fff; display: grid; place-items: center; }

/* ——— адаптив */
@media (max-width: 1180px) {
  .pl-card { grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); grid-template-areas: "head main" "ctl main" "pal main" "sum sum"; }
  .pl-sum { grid-template-columns: 1fr 1fr 1fr; align-items: start; margin-top: 20px; }
}
@media (max-width: 900px) {
  .rooms .wrap { grid-template-columns: repeat(5, 74%); overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 12px; }
  .room { scroll-snap-align: start; }
  .pl-card { grid-template-columns: minmax(0, 1fr); grid-template-areas: "head" "ctl" "main" "sum" "pal"; padding: 24px 16px; }
  .pl-main { position: static; }
  .pl-sum { grid-template-columns: 1fr 1fr; }
  .pr { grid-template-columns: 1fr 1fr; }
  .faq { grid-template-columns: 1fr; }
  .hero::after { background: linear-gradient(180deg, rgba(246, 242, 236, .92) 0 50%, rgba(246, 242, 236, .5) 80%, transparent); }
  .tx-in { background: rgba(251, 250, 248, .9); border-radius: 18px; padding: 24px; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  .hero { min-height: 560px; align-items: flex-start; }
  .hero h1 { margin-top: 40px; }
  .houses.h3 { grid-template-columns: repeat(3, 1fr); }
  .houses span { font-size: 11px; }
  .pal { grid-template-columns: 1fr; }
  .pl-sum { grid-template-columns: 1fr; }
  .pr { grid-template-columns: 1fr; padding: 14px; }
  .foot .wrap { grid-template-columns: 1fr auto; }
  .foot .brand { flex-wrap: wrap; gap: 6px 18px; }
  .foot .brand span br { display: none; }
  .foot nav { justify-self: start; grid-column: 1; }
  .foot .note { text-align: left; grid-column: 1 / -1; }
  .sec { padding: 52px 0; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .rv { opacity: 1; transform: none; }
}