@font-face {
  font-family: "Cygre";
  src: url("../fonts/Cygre-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Cygre";
  src: url("../fonts/Cygre-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --c-accent: #fbba00;
  --c-accent-soft: #ffd269;
  --c-bg: #ffffff;
  --c-bg-plate: #f4f5f8;
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --c-dark: #101319;
  --c-dark-2: #171b23;
  --c-dark-3: #1f242e;
  --c-line: #e8eaef;
  --c-line-dark: rgba(255, 255, 255, .1);
  --c-text: #14171e;
  --c-muted: #565a63;
  --c-muted-2: #7a7e87;
  --c-muted-dark: #99a1af;
  --c-ok: #35b36b;
  --c-alert: #e5484d;
  --r: 14px;
  --r-lg: 22px;
  --font: "Cygre", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --header-h: 72px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-text);
  background: var(--c-bg);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }

a { color: inherit; text-decoration: none; }

ul, ol { list-style: none; }

b, strong { font-weight: 700; }

[id] { scroll-margin-top: calc(var(--header-h) + 10px); }

::selection {
  background: rgba(251, 186, 0, .9);
  color: var(--c-dark);
}

:focus-visible {
  outline: 2.5px solid var(--c-text);
  outline-offset: 3px;
  border-radius: 4px;
}

.header :focus-visible,
.footer :focus-visible,
.s-dark :focus-visible,
.hero :focus-visible {
  outline-color: var(--c-accent);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
}

.container--text { max-width: 820px; }

#faq { background: #f8f9fb; }

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 200;
  background: var(--c-accent);
  color: var(--c-dark);
  font-weight: 700;
  padding: 12px 22px;
  border-radius: 10px;
}
.skip-link:focus {
  left: 16px;
  top: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 0;
  border-radius: 12px;
  font-family: inherit;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s ease, color .15s ease, border-color .15s ease, filter .15s ease;
}

.btn--accent {
  background: var(--c-accent);
  color: var(--c-dark);
}
.btn--accent:hover { background: var(--c-accent-soft); }

.btn--dark {
  background: var(--c-dark);
  color: #fff;
}
.btn--dark:hover { background: var(--c-dark-3); }

.btn--ghost {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, .3);
}
.btn--ghost:hover { border-color: var(--c-accent); color: var(--c-accent); }

.btn--lg { padding: 16px 32px; font-size: 16px; }
.btn--sm { padding: 10px 20px; font-size: 14px; }

.tlink {
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--c-accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
  transition: color .15s ease;
}
.tlink:hover { color: var(--c-muted); }
.s-dark .tlink:hover,
.hero .tlink:hover { color: var(--c-accent); }

.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: transparent;
  transition: background .25s ease, box-shadow .25s ease;
}

.header.is-scrolled {
  background: rgba(16, 19, 25, .9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .07);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: var(--header-h);
}

.logo { display: inline-flex; align-items: center; flex-shrink: 0; }
.logo__img { width: auto; height: 34px; }

.nav {
  display: flex;
  gap: 22px;
  margin: 0 auto;
}

.nav a {
  color: rgba(255, 255, 255, .72);
  font-size: 13.5px;
  white-space: nowrap;
  transition: color .15s ease;
}
.nav a:hover,
.nav a.is-active { color: var(--c-accent); }

.header__phone {
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  white-space: nowrap;
  transition: color .15s ease;
}
.header__phone:hover { color: var(--c-accent); }

.header__cta { flex-shrink: 0; gap: 0; }

.burger {
  display: none;
  flex-shrink: 0;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 0;
  cursor: pointer;
}
.burger span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: #fff;
  transition: transform .25s ease, opacity .2s ease;
}
.burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-backdrop {
  position: fixed;
  inset: var(--header-h) 0 0;
  z-index: 90;
  background: rgba(4, 6, 10, .72);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .22s ease, visibility .22s ease;
}
body.nav-open { overflow: hidden; }
body.nav-open .nav-backdrop {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.hero {
  position: relative;
  background: var(--c-dark);
  color: #fff;
  overflow: hidden;
  text-align: center;
}

.rays {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  filter: blur(10px);
  pointer-events: none;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(58% 42% at 50% -6%, rgba(255, 214, 120, .28), transparent 70%),
    radial-gradient(120% 80% at 50% 30%, transparent 45%, rgba(5, 7, 11, .42) 100%);
  pointer-events: none;
}

.hero::after,
.s-dark::after,
.s-accent::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3CfeComponentTransfer%3E%3CfeFuncA type='linear' slope='0.11'/%3E%3C/feComponentTransfer%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.s-accent::after {
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3CfeComponentTransfer%3E%3CfeFuncA type='linear' slope='0.32'/%3E%3C/feComponentTransfer%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.hero__inner {
  position: relative;
  z-index: 2;
  padding: calc(var(--header-h) + 72px) 28px 0;
  max-width: 900px;
  margin: 0 auto;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 26px;
}
.hero__eyebrow::before,
.hero__eyebrow::after {
  content: "";
  width: 26px;
  height: 1px;
  background: rgba(251, 186, 0, .5);
}

.hero__title {
  font-size: clamp(33px, 4.7vw, 60px);
  line-height: 1.02;
  letter-spacing: -.025em;
  margin-bottom: 22px;
}
.hero__title span { color: var(--c-accent); }

.hero__subtitle {
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.65;
  color: var(--c-muted-dark);
  max-width: 640px;
  margin: 0 auto 34px;
}
.hero__subtitle b { color: #fff; }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px 26px;
  margin-bottom: 18px;
}

.hero__video-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, .85);
  font-weight: 700;
  font-size: 15px;
  transition: color .15s ease;
}
.hero__video-link:hover { color: var(--c-accent); }
.hero__video-link svg { width: 34px; height: 34px; flex-shrink: 0; }

.hero__note {
  font-size: 13.5px;
  color: var(--c-muted-dark);
}

.hero__logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 16px 36px;
  margin-top: 30px;
  opacity: .85;
}
.hero__logo { width: auto; }
.hero__logo--apple { height: 34px; color: rgba(255, 255, 255, .95); }
.hero__logo--alisa { height: 30px; }
.hero__logo--android { height: 30px; }
.hero__logo--wifi { height: 26px; }
.hero__logo--gsm { height: 17px; }

.hero__device-wrap {
  position: relative;
  z-index: 2;
  max-width: 1080px;
  margin: 30px auto 0;
  padding-bottom: 76px;
}

.hero__device-wrap::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 4%;
  width: 62%;
  height: 150px;
  transform: translateX(-50%);
  background: radial-gradient(50% 50% at 50% 50%, rgba(251, 186, 0, .12), transparent 70%);
  pointer-events: none;
}

.hero__device {
  width: min(600px, 78%);
  margin: 0 auto;
  filter: drop-shadow(0 40px 70px rgba(0, 0, 0, .6));
}

.widget {
  position: absolute;
  z-index: 3;
  width: 220px;
  text-align: left;
  background: linear-gradient(160deg, rgba(38, 43, 54, .92), rgba(23, 27, 35, .94));
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 18px;
  padding: 15px 17px 12px;
  box-shadow: 0 28px 60px rgba(0, 0, 0, .55), inset 0 1px 0 rgba(255, 255, 255, .08);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  animation: widgetFloat 8s ease-in-out infinite;
}
.widget--system { left: 3%; top: 10%; width: 246px; animation-delay: -2.5s; }
.widget--boiler { right: 1%; top: 14%; width: 234px; animation-delay: -5s; }
.widget--temp { left: 7%; bottom: 6%; animation-delay: -7s; }
.widget--guard { right: 4%; bottom: 4%; width: 236px; animation-delay: -3.8s; }

@keyframes widgetFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

.widget__head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--c-muted-dark);
  margin-bottom: 11px;
}
.widget__head svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--c-accent);
}

.widget__status {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 9px;
}
.widget__status b { font-size: 16.5px; color: #fff; }

.widget__toggle {
  flex-shrink: 0;
  width: 30px;
  height: 17px;
  border-radius: 999px;
  background: var(--c-ok);
  box-shadow: 0 0 12px rgba(53, 179, 107, .5);
  position: relative;
}
.widget__toggle::after {
  content: "";
  position: absolute;
  top: 2px;
  right: 2px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: #fff;
}

.widget__reading {
  display: flex;
  align-items: baseline;
  gap: 9px;
  margin-bottom: 8px;
}
.widget__reading b {
  font-size: 24px;
  line-height: 1.1;
  color: var(--c-accent);
  font-variant-numeric: tabular-nums;
}
.widget__reading span {
  font-size: 10.5px;
  color: var(--c-muted-dark);
}

.widget__vals {
  display: flex;
  gap: 22px;
  margin-bottom: 9px;
}
.widget__vals b {
  display: block;
  font-size: 22px;
  line-height: 1.1;
  color: var(--c-accent);
}
.widget__vals span {
  display: block;
  font-size: 10.5px;
  color: var(--c-muted-dark);
  margin-top: 2px;
}

.widget__meta {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11.5px;
  font-weight: 700;
  white-space: nowrap;
  color: #fff;
  margin-bottom: 9px;
}
.widget__meta svg { width: 15px; height: 15px; color: var(--c-ok); }
.widget__meta svg:nth-of-type(2) { margin-left: 8px; }
.widget__meta small {
  font-weight: 400;
  font-size: 10.5px;
  color: var(--c-muted-dark);
  margin-right: 2px;
}

.widget__chart {
  display: block;
  width: calc(100% + 34px);
  margin: 0 -17px 9px;
  height: 34px;
}

.widget__foot {
  font-size: 10.5px;
  color: var(--c-muted-dark);
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding-top: 8px;
}

.section { padding: 104px 0; }

.section:not(.s-dark):not(.s-accent) + .section:not(.s-dark):not(.s-accent) { border-top: 1px solid var(--c-line); }

.s-dark {
  position: relative;
  background: var(--c-dark);
  color: #fff;
  border-top: 0 !important;
  overflow: hidden;
}

.s-accent {
  position: relative;
  background:
    radial-gradient(85% 100% at 28% -6%, rgba(255, 232, 150, .5), transparent 55%),
    var(--c-accent);
  color: var(--c-dark);
  border-top: 0 !important;
  overflow: hidden;
}

.s-accent > .container,
.s-dark > .container { position: relative; z-index: 1; }

.pattern-float {
  position: absolute;
  z-index: 0;
  top: -75%;
  right: -3%;
  width: min(620px, 55vw);
  height: auto;
  pointer-events: none;
  will-change: transform;
}
.s-accent .pattern-float { opacity: .3; }
.s-dark .pattern-float { opacity: .25; }
.pattern-float--left {
  right: auto;
  left: -3%;
  scale: -1 1;
}
.offer .pattern-float {
  top: -35%;
  left: 4%;
  width: 1150px;
}
.buy .pattern-float {
  opacity: .16;
  -webkit-mask-image: linear-gradient(100deg, transparent 34%, #000 66%);
  mask-image: linear-gradient(100deg, transparent 34%, #000 66%);
}

.overline {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-muted-2);
  margin-bottom: 16px;
}
.s-dark .overline { color: var(--c-accent); }
.s-accent .overline { color: rgba(16, 19, 25, .78); }

.h2 {
  font-size: clamp(28px, 3.6vw, 46px);
  line-height: 1.06;
  letter-spacing: -.022em;
  max-width: 820px;
  margin-bottom: 20px;
}

.lead {
  font-size: 17.5px;
  color: var(--c-muted);
  max-width: 660px;
}
.s-dark .lead { color: var(--c-muted-dark); }

.what__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  gap: 72px;
  align-items: start;
  margin-top: 46px;
}

.what__col { padding-bottom: 720px; }

#what { padding-bottom: 0; }
#scenarios { margin-top: -616px; }

.what__block {
  padding: 46px 0;
  border-bottom: 1px solid var(--c-line);
}
.what__block:first-child { padding-top: 0; }
.what__block:last-child { border-bottom: 0; padding-bottom: 0; }

.what__media {
  position: sticky;
  top: calc(var(--header-h) + 40px);
  align-self: start;
}

#scenarios { position: relative; z-index: 2; }

.what__num {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: .1em;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.what__num::after {
  content: "";
  flex: 0 0 34px;
  height: 1px;
  background: var(--c-accent);
  opacity: .5;
}

.what__block h3 {
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.18;
  margin-bottom: 16px;
}

.what__block p {
  font-size: 16px;
  color: var(--c-muted);
  max-width: 560px;
}
.what__block p + p { margin-top: 13px; }
.what__block p b { color: var(--c-text); }

.what__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 20px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--c-muted);
}
.what__tags span {
  position: relative;
  padding-left: 14px;
}
.what__tags span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
}

.phone {
  position: relative;
  width: min(300px, 78%);
  margin: 0 auto;
  aspect-ratio: 1206 / 2622;
  border-radius: 48px;
  border: 10px solid #1c212b;
  box-shadow:
    inset 0 0 0 2px rgba(255, 255, 255, .06),
    0 30px 80px rgba(20, 23, 30, .35),
    0 0 0 1px rgba(20, 23, 30, .08);
  overflow: hidden;
  background: #0b0d12;
}

.phone::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 70px;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(transparent, rgba(9, 11, 15, .92));
}

.phone__island {
  position: absolute;
  top: 11px;
  left: 50%;
  transform: translateX(-50%);
  width: 78px;
  height: 22px;
  border-radius: 12px;
  background: #000;
  z-index: 2;
}

.phone__screen {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #0b0d12;
  opacity: 0;
  transition: opacity .45s ease;
}
.phone__screen.is-active { opacity: 1; }




.scen__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 46px;
}

.scen-card {
  position: relative;
  background: linear-gradient(165deg, var(--c-dark-3), var(--c-dark-2) 55%);
  border: 1px solid var(--c-line-dark);
  border-radius: var(--r-lg);
  padding: 32px 34px 30px;
  overflow: hidden;
  transition: border-color .25s ease, transform .25s ease;
}
.scen-card:hover {
  border-color: rgba(251, 186, 0, .45);
  background: linear-gradient(165deg, #232833, var(--c-dark-2) 55%);
}
.scen-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 34px;
  width: 44px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--c-accent);
  opacity: 0;
  transition: opacity .25s ease;
}
.scen-card:hover::before { opacity: 1; }

.scen-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: rgba(251, 186, 0, .14);
  color: var(--c-accent);
  margin-bottom: 18px;
}
.scen-card__icon svg { width: 22px; height: 22px; }

.scen-card:nth-child(1) .scen-card__icon.go svg {
  animation: icoSpin 1.4s ease-in-out;
}
.scen-card:nth-child(2) .scen-card__icon.go svg {
  animation: icoFlash 1.1s ease-in-out;
}
.scen-card:nth-child(3) .scen-card__icon.go svg {
  animation: icoDrip 1.2s ease-in-out;
}
.scen-card:nth-child(4) .scen-card__icon.go svg {
  animation: icoTick 1.1s ease-in-out;
}

@keyframes icoSpin {
  to { transform: rotate(360deg); }
}

@keyframes icoFlash {
  0%, 100% { opacity: 1; transform: scale(1); }
  25% { opacity: .3; transform: scale(.9); }
  45% { opacity: 1; transform: scale(1.12); }
  65% { opacity: .5; }
  80% { opacity: 1; }
}

@keyframes icoDrip {
  0%, 100% { transform: translateY(0) scale(1); }
  35% { transform: translateY(-3px) scale(.95, 1.06); }
  65% { transform: translateY(2px) scale(1.06, .93); }
  85% { transform: translateY(0) scale(1); }
}

@keyframes icoTick {
  0%, 64%, 100% { transform: rotate(0deg); }
  72% { transform: rotate(-7deg); }
  80% { transform: rotate(6deg); }
  88% { transform: rotate(-3deg); }
  94% { transform: rotate(0deg); }
}

.scen-card h3 {
  font-size: 21px;
  line-height: 1.25;
  margin-bottom: 20px;
}

.scen-steps { display: grid; }

.scen-steps li {
  position: relative;
  padding: 0 0 16px 28px;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--c-muted-dark);
}
.scen-steps li:last-child { padding-bottom: 0; }
.scen-steps li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(251, 186, 0, .18);
}
.scen-steps li::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 21px;
  bottom: -2px;
  width: 1px;
  background: linear-gradient(180deg, rgba(251, 186, 0, .45), rgba(251, 186, 0, .08));
}
.scen-steps li:last-child::after { display: none; }
.scen-steps li b { color: #fff; }

.video-block {
  margin-top: 76px;
  text-align: center;
}

.video-block h3 {
  font-size: clamp(22px, 2.4vw, 30px);
  margin-bottom: 10px;
}

.video-block > p {
  font-size: 15px;
  color: var(--c-muted-dark);
  max-width: 560px;
  margin: 0 auto 34px;
}

.video-frame {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--c-line-dark);
  background: linear-gradient(160deg, var(--c-dark-3), var(--c-dark-2));
  aspect-ratio: 16 / 9;
}
.video-facade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  display: block;
}
.video-facade img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .82;
  transition: opacity .25s ease, transform .4s ease;
}
.video-facade:hover img { opacity: 1; transform: scale(1.02); }

.video-facade__play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 76px;
  filter: drop-shadow(0 10px 30px rgba(0, 0, 0, .5));
  transition: transform .25s ease;
}
.video-facade__play svg { width: 100%; height: auto; display: block; }
.video-facade:hover .video-facade__play { transform: translate(-50%, -50%) scale(1.08); }

.video-facade__hint {
  position: absolute;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  font-size: 12.5px;
  color: rgba(255, 255, 255, .7);
  white-space: nowrap;
}

.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.offer { padding: 88px 0; }

.offer__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 30px 56px;
  align-items: center;
  margin-left: 30%;
}

.offer__device {
  position: absolute;
  z-index: 0;
  top: 50%;
  left: -300px;
  translate: 0 -50%;
  width: 860px;
  max-width: none;
  filter: drop-shadow(0 30px 50px rgba(16, 19, 25, .35));
  pointer-events: none;
}

.offer__info .h2 { margin-bottom: 14px; }

.offer__text {
  font-size: 16px;
  color: rgba(16, 19, 25, .78);
  max-width: 520px;
}

.offer__points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 20px;
  font-size: 14.5px;
  font-weight: 700;
}
.offer__points li {
  position: relative;
  padding-left: 24px;
}
.offer__points li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  font-size: 15px;
}

.offer__buy {
  text-align: center;
  background: var(--c-dark);
  color: #fff;
  border-radius: var(--r-lg);
  padding: 36px 40px 30px;
  box-shadow: 0 30px 60px rgba(16, 19, 25, .28);
  min-width: 264px;
}

.offer__price {
  font-size: clamp(38px, 3.4vw, 46px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.01em;
}

.offer__btn {
  width: 100%;
  margin-top: 20px;
}

.offer__note {
  margin-top: 14px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--c-muted-dark);
}

@media (max-width: 1599px) {
  .offer__device { width: 680px; left: -240px; }
}

@media (max-width: 1100px) {
  .offer__layout { margin-left: 0; }
  .offer__device { display: none; }
  .offer .pattern-float { left: -2%; }
}

@media (max-width: 720px) {
  .offer { padding: 72px 0; }
  .offer__layout { grid-template-columns: 1fr; gap: 34px; }
  .offer__buy { min-width: 0; }
}

.app__layout {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 64px;
  align-items: start;
  margin-top: 46px;
}

.app__visual {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--c-bg-plate);
  border-radius: var(--r-lg);
  padding: 30px 28px 24px;
}

.app__list { display: grid; }

.app__list li {
  padding: 17px 0;
  border-bottom: 1px solid var(--c-line);
  font-size: 16px;
}
.app__list li:first-child { padding-top: 0; }
.app__list li:last-child { border-bottom: 0; }
.app__list li b { display: block; }
.app__list li span {
  display: block;
  font-size: 14px;
  color: var(--c-muted);
  margin-top: 3px;
}

.store-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 14px;
  margin-top: 28px;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  border: 1.5px solid var(--c-text);
  border-radius: 12px;
  padding: 9px 18px 9px 14px;
  transition: background .15s ease, color .15s ease;
}
.store-badge:hover {
  background: var(--c-dark);
  color: #fff;
}
.store-badge svg { width: 24px; height: 24px; flex-shrink: 0; }
.store-badge small {
  display: block;
  font-size: 10.5px;
  line-height: 1.2;
  opacity: .7;
}
.store-badge b {
  display: block;
  font-size: 16px;
  line-height: 1.2;
  white-space: nowrap;
}


.app__visual img { width: 100%; }
.app__visual figcaption {
  font-size: 13px;
  color: var(--c-muted-2);
  text-align: center;
  margin-top: 12px;
}

.device__tabs {
  display: flex;
  gap: 30px;
  margin: 42px 0 40px;
  border-bottom: 1px solid var(--c-line-dark);
}

.device__tab {
  background: transparent;
  border: 0;
  font-family: inherit;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--c-muted-dark);
  padding: 0 2px 14px;
  cursor: pointer;
  position: relative;
  transition: color .15s ease;
}
.device__tab:hover { color: #fff; }
.device__tab.is-active { color: var(--c-accent); }
.device__tab::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--c-accent);
  transform: scaleX(0);
  transition: transform .2s ease;
}
.device__tab.is-active::after { transform: scaleX(1); }

.device__stage {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  gap: 56px;
  align-items: center;
}

.device__view { display: none; }
.device__view.is-active { display: contents; }

.device__img {
  position: relative;
}
.device__img::before {
  content: "";
  position: absolute;
  inset: 8% 4%;
  background: radial-gradient(60% 55% at 50% 45%, rgba(251, 186, 0, .13), transparent 70%);
  pointer-events: none;
}
.device__img img {
  position: relative;
  width: 100%;
  filter: drop-shadow(0 26px 44px rgba(0, 0, 0, .5));
}

.hotspot {
  position: absolute;
  z-index: 3;
  width: 26px;
  height: 26px;
  margin: -13px 0 0 -13px;
  border-radius: 50%;
  background: rgba(16, 19, 25, .82);
  border: 2px solid var(--c-accent);
  color: var(--c-accent);
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.hotspot.is-hot {
  background: var(--c-accent);
  color: var(--c-dark);
  transform: scale(1.22);
  box-shadow: 0 0 0 6px rgba(251, 186, 0, .22);
}

.device__list { display: grid; }

.device__item {
  display: flex;
  gap: 18px;
  padding: 16px 10px;
  margin: 0 -10px;
  border-bottom: 1px solid var(--c-line-dark);
  border-radius: 10px;
  cursor: pointer;
  transition: background .2s ease;
}
.device__item:last-child { border-bottom: 0; }
.device__item.is-hot { background: rgba(255, 255, 255, .05); }
.device__item.is-hot b { color: var(--c-accent); }

.device__n {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--c-accent);
  padding-top: 3px;
}

.device__item b {
  display: block;
  font-size: 15.5px;
}
.device__item span {
  display: block;
  font-size: 13.5px;
  color: var(--c-muted-dark);
  margin-top: 2px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 26px;
}

.stats > div {
  padding: 30px 34px;
  border-left: 1px solid var(--c-line);
}
.stats > div:nth-child(3n + 1) { border-left: 0; padding-left: 0; }
.stats > div:nth-child(n + 4) { border-top: 1px solid var(--c-line); }

.stats b {
  display: block;
  min-height: 2.1em;
  font-size: clamp(30px, 3.4vw, 44px);
  line-height: 1.1;
  letter-spacing: -.01em;
}
.stats b i {
  font-style: normal;
  color: var(--c-accent);
}
.stats span {
  display: block;
  font-size: 14.5px;
  color: var(--c-muted);
  margin-top: 6px;
  max-width: 240px;
}

.pro__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 46px 0 44px;
}

.pro__item {
  background: rgba(255, 255, 255, .42);
  border: 1px solid rgba(255, 255, 255, .55);
  border-radius: 18px;
  padding: 26px 28px 28px;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  transition: background .2s ease, transform .2s ease;
}
.pro__item:hover {
  background: rgba(255, 255, 255, .62);
  transform: translateY(-2px);
}

.pro__item-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--c-dark);
  color: var(--c-accent);
  margin-bottom: 18px;
}
.pro__item-ico svg { width: 21px; height: 21px; }

.pro__item b {
  display: block;
  font-size: 18px;
  line-height: 1.3;
  margin-bottom: 8px;
}
.pro__item p {
  font-size: 15px;
  color: rgba(16, 19, 25, .74);
}

.pro__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 30px;
}

.pro__note {
  font-size: 14.5px;
  color: rgba(16, 19, 25, .78);
}
.pro__note a {
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.pro__note a:hover { text-decoration: none; }

.specs__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
  gap: 72px;
  align-items: start;
  margin-top: 46px;
}

.specs-table { width: 100%; border-collapse: collapse; font-size: 15px; }

.specs-table th,
.specs-table td {
  padding: 13px 0;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--c-line);
}
.specs-table th {
  font-weight: 400;
  color: var(--c-muted);
  width: 40%;
  padding-right: 24px;
}
.specs-table tr:first-child th,
.specs-table tr:first-child td { padding-top: 0; }

.specs__aside {
  position: sticky;
  top: calc(var(--header-h) + 30px);
}

.specs__aside > h3 {
  font-size: 18px;
  margin-bottom: 16px;
}
.specs__aside > h3:not(:first-child) { margin-top: 44px; }

.box-list li {
  position: relative;
  padding: 8px 0 8px 22px;
  font-size: 15px;
  color: var(--c-muted);
}
.box-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 10px;
  height: 2px;
  background: var(--c-accent);
}

.doc-list a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-line);
  font-size: 14.5px;
  font-weight: 700;
  transition: color .15s ease;
}
.doc-list a:hover { color: var(--c-muted); }
.doc-list a svg {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  padding: 7px;
  border-radius: 9px;
  background: rgba(251, 186, 0, .16);
  color: var(--c-text);
  transition: background .15s ease;
}
.doc-list a:hover svg { background: var(--c-accent); }
.doc-list a span { flex: 1; }
.doc-list a small {
  font-weight: 400;
  font-size: 12.5px;
  color: var(--c-muted-2);
  white-space: nowrap;
}

.faq__list { margin-top: 40px; }

.faq-item { border-bottom: 1px solid var(--c-line); }

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  transition: color .15s ease;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--c-muted); }

.faq-item__marker {
  position: relative;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
}
.faq-item__marker::before,
.faq-item__marker::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: var(--c-accent);
  transform: translate(-50%, -50%);
  transition: transform .25s ease;
}
.faq-item__marker::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item[open] .faq-item__marker::after { transform: translate(-50%, -50%) rotate(0deg); }
.faq-item summary { user-select: none; }

.faq-item__body { padding: 0; }
.js .faq-item__body {
  overflow: hidden;
  transition: height .32s cubic-bezier(.4, 0, .2, 1);
}
.faq-item__body p {
  padding-right: 40px;
  font-size: 15.5px;
  color: var(--c-muted);
  max-width: 700px;
}
.faq-item__body p + p { margin-top: 10px; }
.faq-item__body p:last-child { padding-bottom: 24px; }

.buy {
  text-align: center;
  padding: 120px 0 96px;
}

.buy .h2 { margin-left: auto; margin-right: auto; }

.buy__sub {
  font-size: 15px;
  color: var(--c-muted-dark);
  margin-bottom: 52px;
}
.buy__sub b { color: #fff; }

.lead-form {
  position: relative;
  z-index: 2;
  max-width: 560px;
  margin: 0 auto;
  text-align: left;
}

.quiz {
  max-width: 560px;
  margin: 0 auto;
  text-align: left;
}

.quiz__top {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  min-height: 24px;
}

.quiz__back {
  position: absolute;
  left: 0;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: none;
  border: 0;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-muted-dark);
  cursor: pointer;
  transition: color .15s ease;
}
.quiz__back:hover { color: var(--c-accent); }
.quiz__back[hidden] { display: none; }
.quiz__back svg { width: 16px; height: 16px; }

.quiz__progress {
  font-size: 13.5px;
  color: var(--c-muted-dark);
}
.quiz__progress b { color: var(--c-accent); }

.quiz__bar {
  height: 4px;
  border-radius: 4px;
  background: rgba(255, 255, 255, .12);
  overflow: hidden;
  margin-bottom: 36px;
}
.quiz__bar i {
  display: block;
  height: 100%;
  border-radius: 4px;
  background: var(--c-accent);
  transition: width .3s ease;
}

.quiz__step { display: none; }
.quiz__step.is-active { display: block; animation: quizIn .35s ease; }

@keyframes quizIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

.quiz__step h3 {
  font-size: 22px;
  text-align: center;
  margin-bottom: 22px;
}

.quiz__hint {
  font-size: 13.5px;
  color: var(--c-muted-dark);
  text-align: center;
  margin: -14px 0 18px;
}

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

.quiz__opt {
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  text-align: left;
  color: #fff;
  background: rgba(255, 255, 255, .05);
  border: 1.5px solid rgba(255, 255, 255, .16);
  border-radius: 12px;
  padding: 15px 18px;
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease, color .15s ease;
}
.quiz__opt:hover { border-color: var(--c-accent); }
.quiz__opt--locked {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: default;
}
.quiz__opt--locked b { font-weight: 700; }
.quiz__opt--locked small {
  margin-left: auto;
  font-size: 11.5px;
  font-weight: 400;
  white-space: nowrap;
  opacity: .68;
}
.quiz__opt--locked small::before {
  content: "✓ ";
  font-size: 12px;
}

.quiz__opt.is-picked {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: var(--c-dark);
}

.quiz__nav {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 22px;
}
.quiz__nav .quiz__next { padding: 13px 28px; font-size: 15px; }

.quiz__skip {
  background: none;
  border: 0;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-muted-dark);
  text-decoration: underline;
  text-underline-offset: 4px;
  cursor: pointer;
  transition: color .15s ease;
}
.quiz__skip:hover { color: #fff; }

.app__demo {
  margin-top: 16px;
  font-size: 14.5px;
  color: var(--c-muted);
}

.lead-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.field { display: block; margin-bottom: 18px; }
.field > span {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--c-muted-dark);
  margin-bottom: 7px;
}

.field input,
.field textarea {
  width: 100%;
  font-family: inherit;
  font-size: 15px;
  color: #fff;
  background: rgba(255, 255, 255, .055);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 10px;
  padding: 13px 16px;
  transition: border-color .15s ease, background .15s ease;
}
.field input::placeholder,
.field textarea::placeholder { color: rgba(255, 255, 255, .45); }
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--c-accent);
  background: rgba(255, 255, 255, .08);
}
.field textarea { resize: vertical; }

.field__hint {
  display: block;
  font-size: 12.5px;
  color: var(--c-muted-dark);
  margin-top: 5px;
}

.consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
  color: var(--c-muted-dark);
  margin: 4px 0 20px;
  cursor: pointer;
}
.consent input {
  margin-top: 3px;
  accent-color: var(--c-accent);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.lead-form__error {
  font-size: 14px;
  color: #ff8a8e;
  margin-bottom: 14px;
}

.lead-form__submit { width: 100%; }

.lead-form__hint {
  text-align: center;
  font-size: 13px;
  color: var(--c-muted-dark);
  margin-top: 14px;
}

.lead-form__success {
  text-align: center;
  padding: 34px 10px 10px;
}
.lead-form__success-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: rgba(53, 179, 107, .16);
  color: #5ed195;
  font-size: 26px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lead-form__success h3 { font-size: 20px; margin-bottom: 8px; }
.lead-form__success p { font-size: 14.5px; color: var(--c-muted-dark); }
.lead-form__success a { color: var(--c-accent); text-decoration: underline; }

.modal {
  position: fixed;
  inset: 0;
  z-index: 160;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal.is-open { display: flex; }
body.modal-open { overflow: hidden; }

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 6, 10, .78);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.modal__win {
  position: relative;
  width: 100%;
  max-width: 440px;
  max-height: calc(100dvh - 40px);
  overflow-y: auto;
  background: linear-gradient(170deg, var(--c-dark-3), var(--c-dark-2) 60%);
  color: #fff;
  border: 1px solid var(--c-line-dark);
  border-radius: var(--r-lg);
  padding: 34px 34px 30px;
  box-shadow: 0 40px 90px rgba(0, 0, 0, .6);
  animation: modalIn .28s cubic-bezier(.33, 1, .68, 1);
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(14px) scale(.97); }
  to { opacity: 1; transform: none; }
}

.modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: rgba(255, 255, 255, .06);
  border: 0;
  border-radius: 11px;
  color: var(--c-muted-dark);
  cursor: pointer;
  transition: background .15s ease, color .15s ease;
}
.modal__close:hover {
  background: rgba(255, 255, 255, .12);
  color: #fff;
}
.modal__close svg { width: 18px; height: 18px; }

.modal__title {
  font-size: 22px;
  line-height: 1.2;
  padding-right: 34px;
  margin-bottom: 8px;
}

.modal__sub {
  font-size: 14px;
  line-height: 1.55;
  color: var(--c-muted-dark);
  margin-bottom: 22px;
}

.modal__success { padding: 14px 0 6px; }

@media (max-width: 480px) {
  .modal { padding: 12px; }
  .modal__win { padding: 28px 22px 24px; }
}

.buy__contacts {
  position: relative;
  z-index: 2;
  margin-top: 56px;
  padding-top: 34px;
  border-top: 1px solid var(--c-line-dark);
  font-size: 14.5px;
  color: var(--c-muted-dark);
}
.buy__contacts a { color: #fff; font-weight: 700; transition: color .15s ease; }
.buy__contacts a:hover { color: var(--c-accent); }
.buy__contacts p + p { margin-top: 8px; }

.footer {
  background: #0b0d12;
  border-top: 1px solid var(--c-line-dark);
  color: var(--c-muted-dark);
  padding: 34px 0;
  font-size: 13px;
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 28px;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
}
.footer__links a:hover { color: var(--c-accent); }

.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}
.js .reveal.reveal-done {
  opacity: 1;
  transform: none;
}

@media (max-width: 1100px) {
  .what__layout { grid-template-columns: 1fr; gap: 40px; }
  .what__col { padding-bottom: 0; }
  #what { padding-bottom: 104px; }
  #scenarios { margin-top: 0; }
  .what__media {
    position: static;
    order: 1;
  }
  .what__block:last-child { border-bottom: 1px solid var(--c-line); padding-bottom: 46px; }
  .app__layout { grid-template-columns: 1fr; gap: 44px; }
  .device__stage { grid-template-columns: 1fr; gap: 36px; }
  .specs__layout { grid-template-columns: 1fr; gap: 52px; }
  .widget--system { left: 14px; top: 4%; }
  .widget--boiler { right: 14px; top: 14%; }
  .widget--temp { left: 14px; bottom: 2%; }
  .widget--guard { right: 14px; bottom: 0; width: 216px; }
}

@media (max-width: 1340px) {
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 12px;
    right: 12px;
    z-index: 95;
    flex-direction: column;
    gap: 4px;
    background: rgba(16, 19, 25, .97);
    border-radius: 0 0 18px 18px;
    padding: 18px 22px 22px;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform .25s ease, opacity .25s ease, visibility .25s ease;
    max-height: calc(100dvh - var(--header-h) - 12px);
    overflow-y: auto;
  }
  .nav.is-open {
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .nav a { font-size: 16.5px; padding: 11px 4px; }
  .burger { display: flex; }
  .header__phone { display: none; }
  .header:not(.is-scrolled) { background: rgba(16, 19, 25, .55); }
  .header__cta { margin-left: auto; }
}

@media (max-width: 560px) {
  .header__inner { gap: 12px; }
  .header .container { padding: 0 16px; }
  .logo__img { height: 28px; }
  .header__cta.btn--sm { padding: 9px 15px; font-size: 13.5px; }
  .header__cta-tail { display: none; }
  .hero__eyebrow::before,
  .hero__eyebrow::after { display: none; }
  .pro__actions .btn { white-space: normal; width: 100%; }
}

@media (max-width: 720px) {
  .section { padding: 72px 0; }
  .hero__inner { padding-top: calc(var(--header-h) + 48px); }
  .hero__actions { flex-direction: column; gap: 18px; }
  .scen__grid { grid-template-columns: 1fr; }
  .scen-card { padding: 26px 24px; }
  .quiz__options { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stats > div { padding: 22px 20px; }
  .stats > div:nth-child(3n + 1) { border-left: 1px solid var(--c-line); padding-left: 20px; }
  .stats > div:nth-child(odd) { border-left: 0; padding-left: 0; }
  .stats > div:nth-child(n + 3) { border-top: 1px solid var(--c-line); }
  .pro__grid { grid-template-columns: 1fr; gap: 28px; }
  .lead-form__row { grid-template-columns: 1fr; gap: 0; }
  .buy { padding: 88px 0 72px; }
  .hotspot {
    width: 21px;
    height: 21px;
    margin: -11px 0 0 -11px;
    font-size: 10.5px;
  }
  .faq-item__body { padding-right: 10px; }
  .buy__contacts a { white-space: nowrap; }
  .hero__device-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    max-width: 440px;
    margin: 22px auto 0;
    padding: 0 16px 40px;
  }
  .hero__device-wrap::before { display: none; }
  .hero__device {
    grid-column: 1 / -1;
    width: min(290px, 78%);
    margin: 0 auto 4px;
  }
  .widget {
    position: static;
    width: auto;
    animation: none;
    padding: 13px 14px 11px;
    border-radius: 16px;
  }
  .widget--system,
  .widget--guard { display: none; }
  .widget--boiler,
  .widget--temp {
    inset: auto;
    width: auto;
  }
  .widget__vals { gap: 14px; }
  .widget__vals b { font-size: 18px; }
  .widget__reading b { font-size: 21px; }
  .widget__chart { height: 28px; }
}

@media (max-width: 480px) {
  .stats { grid-template-columns: 1fr; }
  .stats > div,
  .stats > div:nth-child(3n + 1),
  .stats > div:nth-child(odd) {
    border-left: 0;
    border-top: 1px solid var(--c-line);
    padding: 18px 0;
  }
  .stats > div:first-child { border-top: 0; padding-top: 0; }
  .stats b { min-height: 0; }
  .stats span { max-width: none; }
}

@media (max-width: 380px) {
  .header__inner { gap: 10px; }
  .logo__img { height: 25px; }
  .header__cta.btn--sm { padding: 8px 13px; font-size: 13px; }
}

@media (min-width: 1600px) {
  body { zoom: 1.15; }
}

@media (min-width: 2200px) {
  body { zoom: 1.3; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .widget { animation: none; }
  .phone__screen { transition: none; }
  .scen-card__icon svg { animation: none !important; }
  .modal__win { animation: none; }
}