/* ============ THEMES (пресеты) ============ */
:root, [data-theme="studio"] {
  --bg: #EFEAE2;
  --surface: #F7F3EC;
  --ink: #2B2B2B;
  --muted: #6E675E;
  --line: rgba(43, 43, 43, .14);
  --accent: #B5643C;
  --accent-ink: #fff;
  --dark: #24211E;
  --dark-ink: #EFEAE2;
  --dark-muted: #A9A196;
  --bp: #B5643C;
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Inter", system-ui, sans-serif;
  --display-weight: 500;
  --display-tracking: -0.01em;
  --display-scale: 1.12;
  --radius: 2px;
  --radius-btn: 999px;
  --eyebrow-transform: uppercase;
}
[data-theme="renovation"] {
  --bg: #FFFFFF;
  --surface: #F4F4F2;
  --ink: #1E2124;
  --muted: #62676D;
  --line: rgba(30, 33, 36, .12);
  --accent: #F26B1D;
  --accent-ink: #fff;
  --dark: #1E2124;
  --dark-ink: #FFFFFF;
  --dark-muted: #A2A8AF;
  --bp: #F26B1D;
  --font-display: "Manrope", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;
  --display-weight: 800;
  --display-tracking: -0.035em;
  --display-scale: 0.9;
  --radius: 16px;
  --radius-btn: 12px;
}
[data-theme="build"] {
  --bg: #F3F3F0;
  --surface: #E6E6E1;
  --ink: #13223A;
  --muted: #56627A;
  --line: rgba(19, 34, 58, .16);
  --accent: #F2C230;
  --accent-ink: #13223A;
  --dark: #13223A;
  --dark-ink: #F3F3F0;
  --dark-muted: #9AA6BC;
  --bp: #13223A;
  --font-display: "Unbounded", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --display-weight: 700;
  --display-tracking: -0.03em;
  --display-scale: 0.78;
  --radius: 0px;
  --radius-btn: 0px;
}

/* ============ BASE ============ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  transition: background .6s ease, color .6s ease;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: var(--display-weight);
  letter-spacing: var(--display-tracking);
  line-height: 1.05;
  margin: 0;
}
h2 { text-wrap: balance; font-size: calc(clamp(2.2rem, 4.6vw, 4rem) * var(--display-scale)); }
.container { width: min(1240px, 100% - 48px); margin-inline: auto; }
.eyebrow {
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin: 0 0 18px;
}
[data-theme="build"] .eyebrow { color: var(--ink); }
[data-theme="build"] .eyebrow::before { content: ""; display: inline-block; width: 22px; height: 8px; background: var(--accent); margin-right: 10px; vertical-align: 1px; }
.section { padding: clamp(80px, 11vw, 150px) 0; position: relative; }
.section--alt { background: var(--surface); }
.section--dark { background: var(--dark); color: var(--dark-ink); }
.section--dark .eyebrow { color: var(--accent); }
.section--dark .section__lead { color: var(--dark-muted); }
.section__head { max-width: 760px; margin-bottom: clamp(40px, 6vw, 72px); }
.section__head--row { max-width: none; display: flex; justify-content: space-between; align-items: end; gap: 32px; flex-wrap: wrap; }
.section__lead { color: var(--muted); font-size: 18px; max-width: 560px; margin: 20px 0 0; }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 17px 30px;
  background: var(--accent); color: var(--accent-ink);
  border: 1px solid var(--accent);
  border-radius: var(--radius-btn);
  font-weight: 600; font-size: 15px; letter-spacing: .01em;
  position: relative; overflow: hidden; isolation: isolate;
  transition: transform .3s ease, box-shadow .3s ease, color .3s ease;
}
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: var(--ink);
  transform: translateY(101%);
  transition: transform .45s cubic-bezier(.7, 0, .2, 1);
}
.btn:hover::before { transform: translateY(0); }
.btn:hover { color: var(--bg); }
[data-theme="build"] .btn:hover { color: var(--accent); }
.section--dark .btn::before { background: var(--dark-ink); }
.section--dark .btn:hover { color: var(--dark); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--small { padding: 11px 20px; font-size: 14px; }
.btn--block { width: 100%; }

/* ============ DEMO BAR ============ */
.demo-bar {
  position: relative; z-index: 60;
  display: flex; justify-content: center; align-items: center; gap: 18px; flex-wrap: wrap;
  padding: 8px 16px;
  background: #111; color: #ddd; font-size: 13px;
}
.demo-bar b { color: #fff; }
.demo-presets { display: flex; gap: 4px; background: #262626; padding: 3px; border-radius: 99px; }
.demo-presets button { background: none; border: 0; color: #aaa; padding: 4px 12px; border-radius: 99px; font-size: 12px; }
.demo-presets button.is-active { background: #fff; color: #111; }

/* ============ HEADER ============ */
.header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, padding .3s, background .6s;
}
.header.is-scrolled { border-color: var(--line); }
.header__inner { display: flex; align-items: center; gap: 28px; height: 84px; transition: height .35s ease; }
.header.is-scrolled .header__inner { height: 64px; }
.logo { display: flex; align-items: center; gap: 12px; font-family: var(--font-display); font-weight: var(--display-weight); font-size: 26px; letter-spacing: var(--display-tracking); }
[data-theme="build"] .logo, [data-theme="renovation"] .logo { font-size: 20px; }
.logo__mark { width: 22px; height: 28px; border: 2.5px solid var(--accent); border-bottom: 0; display: inline-block; }
[data-theme="renovation"] .logo__mark { border-radius: 8px 8px 0 0; }
.nav { display: flex; gap: 28px; margin-left: auto; font-size: 15px; }
.nav a { position: relative; color: var(--muted); transition: color .2s; }
.nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 1.5px; background: var(--accent); transform: scaleX(0); transform-origin: right; transition: transform .35s ease; }
.nav a:hover { color: var(--ink); }
.nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.header__phone { font-weight: 600; font-size: 15px; white-space: nowrap; }
.burger { display: none; background: none; border: 0; width: 40px; height: 40px; position: relative; }
.burger span { position: absolute; left: 9px; right: 9px; height: 2px; background: var(--ink); transition: transform .3s; }
.burger span:first-child { top: 15px; } .burger span:last-child { top: 23px; }
.burger.is-open span:first-child { transform: translateY(4px) rotate(45deg); }
.burger.is-open span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* ============ HERO ============ */
.hero { padding: clamp(40px, 6vw, 80px) 0 0; overflow: hidden; }
.hero__grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(32px, 5vw, 80px); align-items: center; }
.hero__title { font-size: calc(clamp(2.9rem, 5.9vw, 5.6rem) * var(--display-scale)); text-wrap: balance; margin-bottom: 28px; }
[data-theme="studio"] .hero__title { font-style: italic; }
.hero__lead { font-size: 19px; color: var(--muted); max-width: 470px; margin: 0 0 40px; }
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero__visual { position: relative; aspect-ratio: 6 / 7; max-height: calc(100svh - 190px); width: 100%; justify-self: end; background: var(--surface); border-radius: var(--radius); overflow: hidden; }
.hero__photo { position: absolute; inset: 0; clip-path: inset(100% 0 0 0); transition: clip-path 1.4s cubic-bezier(.7, 0, .15, 1); }
.hero__photo img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.15); transition: transform 2.4s cubic-bezier(.2, .7, .2, 1); }
.hero__visual.is-built .hero__photo { clip-path: inset(0 0 0 0); }
.hero__visual.is-built .hero__photo img { transform: scale(1); }
.blueprint { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; transition: opacity 1.2s ease 0.6s; }
.bp-lines path { stroke: var(--bp); stroke-width: 1.4; vector-effect: non-scaling-stroke; }
.bp-lines .bp-dim { stroke-width: 1; }
.bp-grid line { stroke: var(--bp); stroke-width: .5; opacity: .14; vector-effect: non-scaling-stroke; }
.bp-label { fill: var(--bp); font: 500 13px var(--font-body); letter-spacing: .1em; opacity: 0; transition: opacity .6s ease 1.6s; }
.hero__visual.is-drawing .bp-label { opacity: 1; }
.hero__visual.is-built .blueprint { opacity: 0; }
.hero__visual.no-photo .blueprint { opacity: 1 !important; }
.hero__visual.no-photo .hero__photo { display: none; }
.hero__badge {
  position: absolute; left: 20px; bottom: 20px;
  background: var(--bg); padding: 16px 20px; border-radius: var(--radius);
  font-size: 13px; line-height: 1.35; color: var(--muted);
  opacity: 0; transform: translateY(16px); transition: all .7s ease 1.2s;
}
.hero__badge b { display: block; font-family: var(--font-display); font-weight: var(--display-weight); font-size: 34px; color: var(--ink); line-height: 1; margin-bottom: 4px; }
.hero__visual.is-built .hero__badge { opacity: 1; transform: none; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); margin-top: clamp(56px, 8vw, 96px); }
.stat { padding: 32px 24px 40px 0; border-right: 1px solid var(--line); }
.stat + .stat { padding-left: 24px; }
.stat:last-child { border-right: 0; }
.stat__value { font-family: var(--font-display); font-weight: var(--display-weight); font-size: calc(clamp(2.6rem, 4.4vw, 4rem) * var(--display-scale)); line-height: 1; letter-spacing: var(--display-tracking); }
.stat__label { color: var(--muted); font-size: 14px; margin-top: 10px; }

/* ============ SERVICES ============ */
.services { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
[data-theme="renovation"] .services { gap: 16px; background: none; border: 0; }
.service { background: var(--bg); padding: 36px 28px 32px; display: flex; flex-direction: column; min-height: 340px; transition: background .4s; position: relative; }
[data-theme="renovation"] .service { background: var(--surface); border-radius: var(--radius); }
.service:hover { background: var(--surface); }
[data-theme="renovation"] .service:hover { background: var(--ink); color: #fff; }
[data-theme="renovation"] .service:hover p { color: #c9ccd0; }
.service__icon { width: 48px; height: 48px; color: var(--accent); margin-bottom: auto; transition: transform .5s cubic-bezier(.3, 1.6, .5, 1); }
.service:hover .service__icon { transform: translateY(-4px) rotate(-6deg); }
.service h3 { font-size: calc(30px * var(--display-scale)); margin: 40px 0 12px; }
.service p { color: var(--muted); font-size: 15px; margin: 0 0 24px; }
.service__from { font-weight: 600; font-size: 14px; padding-top: 16px; border-top: 1px solid var(--line); }

/* ============ PORTFOLIO ============ */
.filters { display: flex; gap: 8px; flex-wrap: wrap; }
.filters button { background: none; border: 1px solid var(--line); color: var(--ink); padding: 9px 18px; border-radius: var(--radius-btn); font-size: 14px; transition: all .25s; }
.filters button.is-active, .filters button:hover { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.portfolio { display: grid; grid-template-columns: repeat(12, 1fr); gap: 20px; }
.work { position: relative; grid-column: span 4; overflow: hidden; border-radius: var(--radius); background: var(--line); aspect-ratio: 4 / 5; cursor: pointer; }
/* ритм сетки на 6 карточек: 7+5 / 5+7 / 6+6 — без дыр */
.work:nth-child(6n+1), .work:nth-child(6n+4) { grid-column: span 7; aspect-ratio: auto; }
.work:nth-child(6n+2), .work:nth-child(6n+3) { grid-column: span 5; }
.work:nth-child(6n+5), .work:nth-child(6n) { grid-column: span 6; aspect-ratio: 4 / 3; }
.work img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s cubic-bezier(.2, .7, .2, 1); }
.work:hover img { transform: scale(1.06); }
.work__info {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 60px 24px 22px;
  background: linear-gradient(transparent, rgba(0, 0, 0, .62)); color: #fff;
}
.work__cat { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; opacity: .85; }
.work__title { font-family: var(--font-display); font-weight: var(--display-weight); font-size: calc(26px * var(--display-scale) + 2px); line-height: 1.15; margin: 6px 0 8px; letter-spacing: var(--display-tracking); }
.work__meta { font-size: 13px; opacity: .85; display: flex; gap: 16px; }
.work.is-hidden { display: none; }
/* clip сидит на детях: IntersectionObserver не видит элемент, если клипнут он сам */
.work.clip { background: transparent; }
.work.clip > * { clip-path: inset(0 0 100% 0); }
.work.clip > .work__info { clip-path: none; opacity: 0; transition: opacity .6s ease .7s; }
.work.clip.is-in > img { clip-path: inset(0 0 0 0); transition: clip-path 1.1s cubic-bezier(.7, 0, .15, 1), transform 1.1s cubic-bezier(.2, .7, .2, 1); }
.work.clip.is-in > .work__info { opacity: 1; }

/* ============ COMPARE ============ */
.compare { position: relative; aspect-ratio: 16 / 8; border-radius: var(--radius); overflow: hidden; user-select: none; touch-action: pan-y; background: var(--surface); --pos: 50%; }
.compare img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.compare__before { position: absolute; inset: 0; clip-path: inset(0 calc(100% - var(--pos)) 0 0); }
.compare__before img { filter: grayscale(1) contrast(.55) brightness(1.35) sepia(.15); }
.compare__grid { position: absolute; inset: 0; mix-blend-mode: multiply;
  background-image:
    linear-gradient(var(--bp) 1px, transparent 1px),
    linear-gradient(90deg, var(--bp) 1px, transparent 1px);
  background-size: 48px 48px; opacity: .22; }
.compare__handle { position: absolute; top: 0; bottom: 0; left: var(--pos); width: 2px; background: #fff; transform: translateX(-1px); cursor: ew-resize; outline: none; }
.compare__handle span { position: absolute; top: 50%; left: 50%; width: 56px; height: 56px; border-radius: 50%; background: #fff; transform: translate(-50%, -50%); box-shadow: 0 6px 24px rgba(0, 0, 0, .25); transition: transform .3s; }
.compare__handle span::before, .compare__handle span::after { content: ""; position: absolute; top: 50%; width: 8px; height: 8px; border-top: 2px solid var(--ink); border-left: 2px solid var(--ink); }
.compare__handle span::before { left: 14px; transform: translateY(-50%) rotate(-45deg); }
.compare__handle span::after { right: 14px; transform: translateY(-50%) rotate(135deg); }
.compare__handle:hover span, .compare__handle:focus-visible span { transform: translate(-50%, -50%) scale(1.1); }
.compare__tag { position: absolute; top: 20px; padding: 6px 14px; background: rgba(255, 255, 255, .92); color: #222; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; border-radius: var(--radius-btn); }
.compare__tag--l { left: 20px; } .compare__tag--r { right: 20px; }

/* ============ CALCULATOR ============ */
.calc { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 96px); align-items: start; }
.calc__panel { background: color-mix(in srgb, var(--dark-ink) 6%, transparent); border: 1px solid color-mix(in srgb, var(--dark-ink) 14%, transparent); border-radius: var(--radius); padding: clamp(24px, 3.5vw, 44px); }
.calc__field { margin-bottom: 30px; }
.calc__label { font-size: 13px; letter-spacing: .1em; text-transform: uppercase; color: var(--dark-muted); margin-bottom: 12px; display: flex; justify-content: space-between; }
.calc__label output { color: var(--dark-ink); font-weight: 600; letter-spacing: 0; font-size: 15px; text-transform: none; }
.seg { display: flex; gap: 6px; flex-wrap: wrap; }
.seg button { flex: 1; min-width: 110px; padding: 12px 14px; background: transparent; color: var(--dark-ink); border: 1px solid color-mix(in srgb, var(--dark-ink) 22%, transparent); border-radius: var(--radius-btn); font-size: 14px; transition: all .25s; }
.seg button:hover { border-color: var(--dark-ink); }
.seg button.is-active { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.range { -webkit-appearance: none; appearance: none; width: 100%; height: 4px; border-radius: 4px; outline: none;
  background: linear-gradient(90deg, var(--accent) var(--fill, 30%), color-mix(in srgb, var(--dark-ink) 20%, transparent) var(--fill, 30%)); }
.range::-webkit-slider-thumb { -webkit-appearance: none; width: 24px; height: 24px; border-radius: 50%; background: var(--dark-ink); border: 5px solid var(--accent); cursor: grab; transition: transform .2s; }
.range::-webkit-slider-thumb:active { transform: scale(1.2); cursor: grabbing; }
.range::-moz-range-thumb { width: 16px; height: 16px; border-radius: 50%; background: var(--dark-ink); border: 5px solid var(--accent); cursor: grab; }
.check { display: flex; align-items: center; gap: 12px; cursor: pointer; font-size: 15px; margin-bottom: 30px; }
.check input { position: absolute; opacity: 0; }
.check span { width: 22px; height: 22px; border: 1.5px solid color-mix(in srgb, var(--dark-ink) 40%, transparent); border-radius: calc(var(--radius) / 2 + 3px); position: relative; transition: all .2s; flex-shrink: 0; }
.check input:checked + span { background: var(--accent); border-color: var(--accent); }
.check input:checked + span::after { content: ""; position: absolute; left: 6px; top: 2px; width: 6px; height: 11px; border: solid var(--accent-ink); border-width: 0 2px 2px 0; transform: rotate(45deg); }
.check input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.calc__result { display: flex; justify-content: space-between; align-items: end; gap: 20px; padding: 26px 0; margin-bottom: 22px; border-top: 1px solid color-mix(in srgb, var(--dark-ink) 14%, transparent); }
.calc__sum { font-family: var(--font-display); font-weight: var(--display-weight); font-size: calc(clamp(2.4rem, 4vw, 3.6rem) * var(--display-scale)); line-height: 1; letter-spacing: var(--display-tracking); white-space: nowrap; }
.calc__days { font-size: 22px; font-weight: 600; text-align: right; }

/* ============ STAGES ============ */
.stages-wrap { display: grid; grid-template-columns: 0.8fr 1fr; gap: clamp(40px, 6vw, 96px); align-items: start; }
.stages__head { position: sticky; top: 120px; }
.stages { position: relative; }
.stages__line { position: absolute; left: 27px; top: 10px; bottom: 10px; width: 1px; background: var(--line); }
.stages__fill { position: absolute; inset: 0 0 auto 0; height: 0; background: var(--accent); width: 2px; left: -0.5px; }
.stages__list { list-style: none; margin: 0; padding: 0; }
.stage { display: grid; grid-template-columns: 56px 1fr; gap: 28px; padding: 0 0 52px; opacity: .3; transition: opacity .5s ease; }
.stage.is-active { opacity: 1; }
.stage__num { width: 56px; height: 56px; border-radius: 50%; border: 1px solid var(--line); background: var(--bg); display: grid; place-items: center; font-weight: 600; font-size: 15px; position: relative; z-index: 1; transition: all .5s ease; }
[data-theme="build"] .stage__num, [data-theme="renovation"] .stage__num { border-radius: var(--radius); }
.stage.is-active .stage__num { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.stage h3 { font-size: calc(30px * var(--display-scale)); margin: 10px 0 8px; }
.stage p { margin: 0; color: var(--muted); }

/* ============ PACKAGES ============ */
.packages { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.package { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 40px 34px; display: flex; flex-direction: column; transition: transform .45s cubic-bezier(.2, .7, .2, 1), box-shadow .45s; }
.package:hover { transform: translateY(-8px); box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .25); }
.package--featured { background: var(--dark); color: var(--dark-ink); border-color: var(--dark); }
.package__tag { align-self: flex-start; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; background: var(--accent); color: var(--accent-ink); padding: 5px 10px; border-radius: var(--radius-btn); margin-bottom: 18px; }
.package h3 { font-size: calc(32px * var(--display-scale)); }
.package__price { margin: 24px 0 4px; font-family: var(--font-display); font-weight: var(--display-weight); font-size: calc(48px * var(--display-scale)); line-height: 1; letter-spacing: var(--display-tracking); }
.package__price small { font-family: var(--font-body); font-size: 15px; font-weight: 500; letter-spacing: 0; opacity: .7; }
.package__term { font-size: 14px; opacity: .65; margin-bottom: 26px; }
.package ul { list-style: none; padding: 26px 0 0; margin: 0 0 32px; border-top: 1px solid var(--line); flex: 1; }
.package--featured ul { border-color: color-mix(in srgb, var(--dark-ink) 16%, transparent); }
.package li { padding: 7px 0 7px 28px; position: relative; font-size: 15px; }
.package li::before { content: ""; position: absolute; left: 2px; top: 13px; width: 10px; height: 6px; border: solid var(--accent); border-width: 0 0 2px 2px; transform: rotate(-45deg); }
.package .btn--ghost { color: inherit; }
.package--featured .btn--ghost { border-color: color-mix(in srgb, var(--dark-ink) 30%, transparent); }

/* ============ GUARANTEES ============ */
.guarantees__list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: g; }
.guarantee { padding: 0 28px 0 0; border-left: 1px solid var(--line); padding-left: 24px; counter-increment: g; }
.guarantee::before { content: "0" counter(g); display: block; font-family: var(--font-display); font-size: 15px; color: var(--accent); margin-bottom: 40px; font-weight: 600; }
.guarantee h3 { font-size: calc(26px * var(--display-scale)); margin-bottom: 12px; }
.guarantee p { color: var(--muted); margin: 0; font-size: 15px; }

/* ============ TEAM ============ */
.team { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.member__photo { aspect-ratio: 4 / 5; border-radius: var(--radius); background: var(--bg); display: grid; place-items: center; overflow: hidden; position: relative; margin-bottom: 18px; }
.member__photo::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 28px 28px; opacity: .6; }
.member__initials { position: relative; font-family: var(--font-display); font-weight: var(--display-weight); font-size: calc(72px * var(--display-scale)); color: var(--accent); transition: transform .6s cubic-bezier(.3, 1.4, .5, 1); }
.member:hover .member__initials { transform: scale(1.12); }
.member h3 { font-size: calc(24px * var(--display-scale) + 2px); margin-bottom: 4px; }
.member p { margin: 0; color: var(--muted); font-size: 15px; }

/* ============ REVIEWS ============ */
.demo-note { display: inline-block; margin-top: 18px; font-size: 13px; padding: 6px 12px; border: 1px dashed var(--line); color: var(--muted); border-radius: 6px; }
.reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.review { margin: 0; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 30px; display: flex; flex-direction: column; gap: 26px; }
.review__quote { font-family: var(--font-display); font-size: calc(24px * var(--display-scale) + 2px); line-height: 1.35; letter-spacing: var(--display-tracking); flex: 1; margin: 0; }
[data-theme="studio"] .review__quote { font-style: italic; }
[data-theme="build"] .review__quote, [data-theme="renovation"] .review__quote { font-family: var(--font-body); font-size: 18px; font-weight: 500; letter-spacing: 0; }
.review__author { display: flex; align-items: center; gap: 14px; font-size: 14px; }
.review__author b { display: block; font-size: 15px; }
.review__author span { color: var(--muted); }
.review__avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); display: grid; place-items: center; font-weight: 600; }

/* ============ FAQ ============ */
.faq-wrap { display: grid; grid-template-columns: 0.8fr 1fr; gap: clamp(40px, 6vw, 96px); }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__q { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 26px 0; background: none; border: 0; color: inherit; text-align: left; font-size: 19px; font-weight: 500; }
.faq__icon { width: 28px; height: 28px; flex-shrink: 0; position: relative; border: 1px solid var(--line); border-radius: 50%; transition: transform .4s, background .3s; }
.faq__icon::before, .faq__icon::after { content: ""; position: absolute; left: 50%; top: 50%; width: 11px; height: 1.5px; background: currentColor; transform: translate(-50%, -50%); }
.faq__icon::after { transform: translate(-50%, -50%) rotate(90deg); transition: transform .4s; }
.faq__item.is-open .faq__icon { transform: rotate(180deg); background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.faq__item.is-open .faq__icon::after { transform: translate(-50%, -50%) rotate(0); }
.faq__a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .45s ease; }
.faq__a > div { overflow: hidden; }
.faq__a p { margin: 0 0 26px; color: var(--muted); max-width: 600px; }
.faq__item.is-open .faq__a { grid-template-rows: 1fr; }

/* ============ CONTACTS ============ */
.contacts { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 96px); }
.contacts__list { list-style: none; padding: 0; margin: 40px 0 32px; }
.contacts__list li { display: grid; grid-template-columns: 120px 1fr; gap: 16px; padding: 16px 0; border-bottom: 1px solid color-mix(in srgb, var(--dark-ink) 14%, transparent); }
.contacts__list span { color: var(--dark-muted); font-size: 14px; }
.contacts__list a, .contacts__list b { font-weight: 500; }
.contacts__list a:hover { color: var(--accent); }
.map { aspect-ratio: 16 / 9; border-radius: var(--radius); overflow: hidden; background: color-mix(in srgb, var(--dark-ink) 8%, transparent); }
.map iframe { width: 100%; height: 100%; border: 0; filter: grayscale(.6) contrast(1.05); }
.form { background: var(--bg); color: var(--ink); border-radius: var(--radius); padding: clamp(28px, 4vw, 52px); align-self: start; }
.form h3 { font-size: calc(36px * var(--display-scale)); }
.form > p { color: var(--muted); margin: 10px 0 30px; }
.form label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 18px; }
.form input, .form select, .form textarea {
  display: block; width: 100%; margin-top: 6px; padding: 14px 0;
  background: transparent; border: 0; border-bottom: 1px solid var(--line);
  font: inherit; font-size: 16px; color: var(--ink); outline: none; border-radius: 0;
  transition: border-color .25s;
}
.form textarea { resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--accent); }
.form .btn { margin-top: 12px; }

/* ============ FOOTER ============ */
.footer { background: var(--dark); color: var(--dark-muted); font-size: 14px; border-top: 1px solid color-mix(in srgb, var(--dark-ink) 10%, transparent); }
.footer__inner { display: flex; justify-content: space-between; gap: 20px; padding: 28px 0; flex-wrap: wrap; }
.footer a:hover { color: var(--dark-ink); }

/* ============ WHATSAPP FLOAT ============ */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 40;
  width: 60px; height: 60px; border-radius: 50%;
  background: #25D366; color: #fff; display: grid; place-items: center;
  box-shadow: 0 10px 30px -6px rgba(37, 211, 102, .55);
  transform: scale(0); transition: transform .5s cubic-bezier(.3, 1.6, .5, 1);
}
.wa-float.is-visible { transform: scale(1); }
.wa-float::before { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid #25D366; animation: ring 2.4s ease-out infinite; }
@keyframes ring { 0% { transform: scale(1); opacity: .8; } 100% { transform: scale(1.6); opacity: 0; } }

/* ============ REVEAL ANIMATIONS ============ */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity .9s ease, transform .9s cubic-bezier(.2, .7, .2, 1); transition-delay: var(--d, 0s); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal-lines .line { display: block; overflow: hidden; padding-bottom: .08em; margin-bottom: -.08em; }
.reveal-lines .line > span { display: inline-block; transform: translateY(110%); transition: transform 1s cubic-bezier(.2, .7, .1, 1); transition-delay: calc(var(--i, 0) * .09s); }
.reveal-lines.is-in .line > span { transform: none; }

/* Пресет «Стройка»: фон-сетка смещается при скролле */
[data-theme="build"] body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px; background-position: 0 var(--grid-y, 0px); opacity: .5;
}
[data-theme="build"] .hero, [data-theme="build"] .section:not(.section--alt):not(.section--dark) { background: transparent; }
[data-theme="build"] body { background: var(--bg); }

/* ============ RESPONSIVE ============ */
@media (max-width: 1080px) {
  .services { grid-template-columns: repeat(2, 1fr); }
  .guarantees__list { grid-template-columns: repeat(2, 1fr); row-gap: 48px; }
  .team { grid-template-columns: repeat(2, 1fr); }
  .header__phone { display: none; }
}
@media (max-width: 860px) {
  body { font-size: 16px; }
  .nav {
    position: fixed; inset: 64px 0 auto 0; flex-direction: column; gap: 0;
    background: var(--bg); padding: 12px 24px 28px; border-bottom: 1px solid var(--line);
    transform: translateY(-120%); transition: transform .45s cubic-bezier(.7, 0, .2, 1); z-index: -1;
  }
  .nav.is-open { transform: none; }
  .nav a { padding: 14px 0; font-size: 20px; color: var(--ink); border-bottom: 1px solid var(--line); }
  .burger { display: block; margin-left: auto; }
  .header__inner { height: 64px; gap: 12px; }
  .header .btn--small { display: none; }
  .hero__grid, .calc, .stages-wrap, .faq-wrap, .contacts { grid-template-columns: 1fr; }
  .hero__visual { aspect-ratio: 4 / 4.2; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat { border-right: 0; padding: 24px 0 !important; border-bottom: 1px solid var(--line); }
  .stat:nth-child(odd) { border-right: 1px solid var(--line); padding-right: 16px !important; }
  .stat:nth-child(even) { padding-left: 16px !important; }
  .portfolio { grid-template-columns: 1fr; }
  .work, .work:nth-child(n) { grid-column: auto; aspect-ratio: 4 / 3.4; }
  .compare { aspect-ratio: 4 / 3.6; }
  .packages, .reviews { grid-template-columns: 1fr; }
  .stages__head { position: static; }
}
@media (max-width: 560px) {
  .container { width: calc(100% - 32px); }
  .services, .guarantees__list, .team { grid-template-columns: 1fr; }
  .service { min-height: 0; }
  .service h3 { margin-top: 28px; }
  .team { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .member h3 { font-size: 18px; }
  .member p { font-size: 13px; }
  .calc__result { flex-direction: column; align-items: start; }
  .calc__days { text-align: left; }
  .contacts__list li { grid-template-columns: 1fr; gap: 2px; }
  .demo-bar { font-size: 12px; gap: 8px; }
  .hero__actions .btn { flex: 1; padding: 16px 14px; white-space: nowrap; font-size: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
  html { scroll-behavior: auto; }
  .reveal, .reveal-lines .line > span { opacity: 1; transform: none; }
  .work.clip > * { clip-path: none !important; opacity: 1 !important; }
}