:root {
  --font-body: "Manrope", "Segoe UI", Arial, sans-serif;
  --font-display: var(--font-body);
  --ink: #19211d;
  --muted: #657068;
  --paper: #f4f3ed;
  --cream: #fbfaf6;
  --card: #ffffff;
  --orange: #f27922;
  --orange-dark: #d85d0c;
  --blue: #2567c7;
  --green: #163d32;
  --line: rgba(25, 33, 29, 0.12);
  --shadow: 0 28px 70px rgba(22, 61, 50, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body), sans-serif;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.shell { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.section { padding: 120px 0; }

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 50;
  padding: 22px 0;
  color: white;
}
.nav-shell { display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.brand-logo { display: block; width: 76px; height: 76px; margin: -15px 0; object-fit: contain; }
.brand-mark { position: relative; display: flex; align-items: end; gap: 3px; width: 27px; height: 27px; padding: 3px 2px; border-radius: 8px; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.24); }
.brand-mark i { width: 5px; border-radius: 6px; background: var(--orange); transform: skewY(-12deg); animation: heatPulse 2.2s ease-in-out infinite; }
.brand-mark i:nth-child(1) { height: 10px; }
.brand-mark i:nth-child(2) { height: 17px; animation-delay: .22s; }
.brand-mark i:nth-child(3) { height: 22px; animation-delay: .44s; }
.nav-links { display: flex; align-items: center; gap: 34px; font-size: 16px; font-weight: 700; }
.nav-links a { opacity: .82; transition: opacity .2s ease, color .2s ease; }
.nav-links a:hover, .nav-links a:focus-visible { opacity: 1; color: #ffc18f; }
.header-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.language-switcher { display: flex; align-items: center; gap: 3px; padding: 4px; border: 1px solid rgba(255,255,255,.28); border-radius: 999px; background: rgba(255,255,255,.1); backdrop-filter: blur(12px); }
.language-switcher button { display: flex; align-items: center; justify-content: center; gap: 5px; min-width: 48px; height: 34px; padding: 0 8px; border: 0; border-radius: 999px; background: transparent; color: rgba(255,255,255,.66); cursor: pointer; transition: background .2s ease, color .2s ease, transform .2s ease; }
.language-switcher button:hover { color: white; transform: translateY(-1px); }
.language-switcher button.is-active { background: white; color: var(--ink); box-shadow: 0 4px 14px rgba(0,0,0,.16); }
.language-switcher button b { font-size: 11px; letter-spacing: .05em; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 56px; padding: 0 27px; border: 0; border-radius: 999px; background: var(--orange); color: white; font-weight: 800; font-size: 14px; cursor: pointer; box-shadow: 0 12px 30px rgba(242,121,34,.25); transition: transform .25s ease, background .25s ease, box-shadow .25s ease; }
.button:hover { transform: translateY(-3px); background: var(--orange-dark); box-shadow: 0 18px 38px rgba(242,121,34,.3); }
.button-small { min-height: 44px; padding: 0 21px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.3); box-shadow: none; backdrop-filter: blur(12px); }
.button-small:hover { background: white; color: var(--ink); }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 0; border: 1px solid rgba(255,255,255,.3); background: rgba(255,255,255,.12); border-radius: 50%; }
.menu-toggle span { display: block; width: 18px; height: 1px; margin: 5px auto; background: white; }

.hero { position: relative; min-height: 820px; height: 100svh; display: flex; align-items: center; overflow: hidden; color: white; background: #163d32; }
.hero-image { position: absolute; inset: 0; background-image: linear-gradient(90deg, rgba(14,31,25,.74) 0%, rgba(14,31,25,.32) 48%, rgba(14,31,25,.06) 100%), radial-gradient(circle at 76% 64%, rgba(242,121,34,.2), transparent 32%), url('assets/ai-room-hero.png'); background-size: cover; background-position: center; transform: scale(1.03); animation: heroZoom 16s ease-out both; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(7,19,15,.46) 0%, transparent 26%, transparent 62%, rgba(7,19,15,.68) 100%); }
.hero-content { position: relative; z-index: 3; padding-top: 70px; }
.eyebrow { display: inline-flex; align-items: center; gap: 11px; margin-bottom: 22px; color: var(--green); font-size: 12px; line-height: 1; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow span { width: 24px; height: 2px; background: var(--orange); }
.light-eyebrow { color: rgba(255,255,255,.78); }
.hero h1 { max-width: 870px; margin: 0; font-family: var(--font-display), sans-serif; font-size: clamp(56px, 7.2vw, 103px); line-height: .97; letter-spacing: 0; font-weight: 650; }
.hero h1 em { color: #ffc18f; font-style: normal; font-weight: 450; }
.hero-content > p { max-width: 680px; margin: 30px 0 36px; color: rgba(255,255,255,.78); font-size: 18px; line-height: 1.75; }
.hero-actions { display: flex; align-items: center; gap: 32px; }
.text-link { display: inline-flex; align-items: center; gap: 12px; padding: 10px 0; font-size: 14px; font-weight: 800; border-bottom: 1px solid rgba(255,255,255,.35); }
.text-link span { color: #ffc18f; }
.hero-proof { position: absolute; z-index: 3; left: 50%; bottom: 38px; transform: translateX(-50%); display: flex; justify-content: flex-end; }
.hero-proof > div { min-width: 175px; padding: 5px 28px; border-left: 1px solid rgba(255,255,255,.22); }
.hero-proof strong, .hero-proof span { display: block; }
.hero-proof strong { margin-bottom: 3px; font-family: var(--font-display), sans-serif; font-size: 26px; }
.hero-proof > div:last-child strong { font-size: 19px; line-height: 1.15; }
.hero-proof span { color: rgba(255,255,255,.58); font-size: 14px; }
.heat-lines { position: absolute; z-index: 2; right: 1%; bottom: 13%; width: 42%; height: 30%; opacity: .82; filter: drop-shadow(0 0 14px rgba(242,121,34,.45)); transform: perspective(420px) rotateX(58deg) rotateZ(-7deg); }
.heat-lines span { position: absolute; inset: 50% auto auto 50%; width: 185px; height: 185px; border: 3px solid rgba(255,157,80,.74); border-radius: 50%; box-shadow: 0 0 18px rgba(242,121,34,.28); transform: translate(-50%,-50%); animation: radiate 3.2s ease-out infinite; }
.heat-lines span:nth-child(2) { animation-delay: .7s; }
.heat-lines span:nth-child(3) { animation-delay: 1.4s; }
.heat-lines span:nth-child(4) { animation-delay: 2.1s; }

.section-heading { display: grid; grid-template-columns: 1.2fr .8fr; gap: 70px; align-items: end; margin-bottom: 62px; }
.section-heading h2, .tech-copy h2, .process-title h2, .comfort-copy h2, .calculator-copy h2, .contacts-copy h2, .final-cta h2 { margin: 0; font-family: var(--font-display), sans-serif; font-size: clamp(39px, 5vw, 67px); line-height: 1.07; letter-spacing: 0; font-weight: 600; }
.section-heading > p, .tech-copy > p, .comfort-copy > p, .calculator-copy > p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.8; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card { position: relative; min-height: 385px; padding: 34px; overflow: hidden; background: var(--card); border: 1px solid rgba(25,33,29,.08); border-radius: 28px; transition: transform .35s ease, box-shadow .35s ease, opacity .7s ease; }
.feature-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.feature-card:nth-child(2) { background: var(--green); color: white; }
.feature-card:nth-child(2) p { color: rgba(255,255,255,.62); }
.feature-number { display: block; font-family: var(--font-display), sans-serif; font-size: 13px; font-weight: 700; color: var(--orange); }
.feature-line { width: 100%; height: 1px; margin: 30px 0 57px; background: currentColor; opacity: .14; }
.feature-card h3 { max-width: 260px; margin: 0 0 17px; font-family: var(--font-display), sans-serif; font-size: 24px; line-height: 1.2; letter-spacing: -.01em; }
.feature-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.75; }
.feature-arrow { position: absolute; right: 28px; bottom: 25px; display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: rgba(242,121,34,.1); color: var(--orange); }

.tech-section { background: var(--green); color: white; overflow: hidden; }
.tech-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 90px; align-items: center; }
.warm-eyebrow { color: #ffc18f; }
.tech-copy > p { margin: 27px 0 30px; color: rgba(255,255,255,.65); }
.check-list { display: grid; gap: 16px; margin: 0; padding: 0; list-style: none; }
.check-list li { display: flex; align-items: center; gap: 13px; font-size: 14px; font-weight: 700; }
.check-list span { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; color: #ffc18f; background: rgba(255,255,255,.09); }
.floor-visual { position: relative; min-height: 520px; display: flex; flex-direction: column; justify-content: flex-end; perspective: 1000px; }
.floor-layer { position: relative; height: 92px; display: flex; align-items: center; justify-content: flex-end; padding-right: 28px; border-radius: 8px; transform: rotateX(57deg) rotateZ(-15deg) translateX(-30px); transform-origin: bottom; box-shadow: -30px 35px 50px rgba(0,0,0,.2); }
.floor-layer span { position: relative; z-index: 2; padding: 7px 11px; border-radius: 7px; background: rgba(7,22,17,.72); font-size: 11px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.top-layer { z-index: 3; background: repeating-linear-gradient(90deg,#caa379 0 73px,#bc946b 74px 76px); border: 1px solid rgba(255,255,255,.16); }
.film-layer { z-index: 2; margin-top: -28px; background: repeating-linear-gradient(90deg,#d96216 0 40px,#f49b4f 41px 47px,#26372f 48px 73px); animation: filmGlow 2.8s ease-in-out infinite; }
.base-layer { z-index: 1; margin-top: -27px; background: #c8d0c8; }
.heat-wave { position: absolute; z-index: 5; left: 69%; bottom: 195px; width: 190px; height: 74px; border: 3px solid rgba(255,174,102,.92); border-radius: 50%; opacity: 0; filter: drop-shadow(0 0 8px rgba(255,157,80,.9)) drop-shadow(0 0 22px rgba(242,121,34,.56)); transform: translateX(-50%) rotate(-15deg) scale(.3); animation: floorRadiate 3.2s ease-out infinite; pointer-events: none; }
.wave-two { animation-delay: 1s; }
.wave-three { animation-delay: 2s; }

.process { background: var(--cream); }
.process-title { max-width: 650px; margin-bottom: 58px; }
.steps { border-top: 1px solid var(--line); }
.step { display: grid; grid-template-columns: 110px 1fr; padding: 30px 0; border-bottom: 1px solid var(--line); }
.step > span { color: var(--orange); font-family: var(--font-display), sans-serif; font-size: 13px; font-weight: 800; }
.step > div { display: grid; grid-template-columns: .65fr 1fr; gap: 70px; }
.step h3 { margin: 0; font-family: var(--font-display), sans-serif; font-size: 24px; letter-spacing: -.01em; }
.step p { max-width: 560px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }

.comfort { background: var(--paper); }
.comfort-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: center; }
.comfort-image { position: relative; min-height: 660px; overflow: hidden; background-image: linear-gradient(180deg, transparent 50%, rgba(22,61,50,.24)), url('assets/ai-room-comfort.png'); background-size: cover; background-position: center; border-radius: 160px 28px 28px 28px; box-shadow: var(--shadow); }
.comfort-image::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg,transparent 60%,rgba(16,34,28,.7)); }
.image-note { position: absolute; z-index: 2; left: 32px; right: 32px; bottom: 30px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.35); color: white; }
.image-note strong, .image-note span { display: block; }
.image-note strong { font-size: 13px; }
.image-note span { color: rgba(255,255,255,.68); font-size: 12px; }
.comfort-copy > p { margin: 28px 0 38px; }
.comfort-points { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 28px; }
.comfort-points div { padding-top: 15px; border-top: 1px solid var(--line); }
.comfort-points strong, .comfort-points span { display: block; }
.comfort-points strong { margin-bottom: 4px; font-size: 14px; }
.comfort-points span { color: var(--muted); font-size: 12px; }

.calculator-section { padding-top: 30px; background: var(--paper); }
.calculator-card { display: grid; grid-template-columns: .83fr 1.17fr; gap: 80px; padding: 78px; border-radius: 36px; background: var(--green); color: white; box-shadow: var(--shadow); }
.calculator-copy > p { margin: 26px 0 36px; color: rgba(255,255,255,.62); }
.free-consult { display: flex; align-items: center; gap: 14px; }
.free-consult > span { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--orange); font-weight: 900; }
.free-consult strong, .free-consult small { display: block; }
.free-consult strong { font-size: 13px; }
.free-consult small { color: rgba(255,255,255,.55); }
.calculator-form { padding: 38px; border-radius: 27px; background: white; color: var(--ink); }
.area-row { display: flex; justify-content: space-between; gap: 20px; align-items: center; }
.area-row label, fieldset legend { font-size: 13px; font-weight: 800; }
.area-row output { color: var(--orange); font-family: var(--font-display), sans-serif; font-size: 28px; font-weight: 650; }
.range { --range-progress: 0%; width: 100%; height: 5px; margin: 28px 0 9px; appearance: none; border-radius: 10px; background: linear-gradient(to right,var(--orange) 0 var(--range-progress),#e6e8e5 var(--range-progress) 100%); }
.range::-webkit-slider-thumb { width: 22px; height: 22px; appearance: none; border: 5px solid white; border-radius: 50%; background: var(--orange); box-shadow: 0 2px 12px rgba(0,0,0,.25); cursor: grab; }
.range::-moz-range-thumb { width: 13px; height: 13px; border: 5px solid white; border-radius: 50%; background: var(--orange); box-shadow: 0 2px 12px rgba(0,0,0,.25); cursor: grab; }
.range-scale { display: flex; justify-content: space-between; margin-bottom: 28px; color: #8a928d; font-size: 10px; }
fieldset { margin: 0; padding: 0; border: 0; }
fieldset legend { margin-bottom: 12px; }
.floor-options { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.floor-options label { position: relative; padding: 15px 16px; border: 1px solid #e4e7e3; border-radius: 13px; cursor: pointer; transition: border .2s, background .2s; }
.floor-options label.is-selected { border-color: var(--orange); background: #fff7f1; }
.floor-options input { position: absolute; opacity: 0; }
.floor-options span, .floor-options small { display: block; }
.floor-options span { font-size: 13px; font-weight: 800; }
.floor-options small { margin-top: 3px; color: #89918c; font-size: 10px; }
.estimate { margin: 20px 0; padding: 18px 0; border-top: 1px solid #e4e7e3; border-bottom: 1px solid #e4e7e3; }
.estimate > span, .estimate > strong, .estimate > small { display: block; }
.estimate > span { color: #7a837d; font-size: 11px; }
.estimate > strong { margin: 4px 0; color: var(--orange); font-family: var(--font-display), sans-serif; font-size: 37px; letter-spacing: -.05em; }
.estimate > small { color: #89918c; font-size: 10px; }
.calculator-button { width: 100%; }
.prepared-message { margin-top: 14px; padding: 15px; border-radius: 14px; background: #f5f6f3; }
.prepared-message strong, .prepared-message small { display: block; }
.prepared-message strong { margin-bottom: 9px; font-size: 11px; }
.prepared-message textarea { width: 100%; min-height: 90px; resize: vertical; padding: 10px; border: 1px solid #dfe3de; border-radius: 9px; background: white; color: var(--ink); font-size: 11px; line-height: 1.5; }
.prepared-message small { margin-top: 6px; color: #7c857f; font-size: 9px; }

.contacts { padding-top: 18px; background: var(--paper); }
.contacts-card { display: grid; grid-template-columns: .78fr 1.22fr; gap: 76px; align-items: center; padding: 70px; border: 1px solid rgba(25,33,29,.08); border-radius: 36px; background: white; box-shadow: var(--shadow); }
.contacts-copy > p { max-width: 470px; margin: 25px 0 0; color: var(--muted); font-size: 16px; line-height: 1.8; }
.contact-options { display: grid; gap: 14px; }
.contact-row { min-width: 0; padding: 22px 24px; border: 1px solid #e4e7e3; border-radius: 22px; background: #fbfbf8; transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
a.contact-row:hover { transform: translateY(-3px); border-color: rgba(242,121,34,.46); box-shadow: 0 14px 30px rgba(22,61,50,.08); }
.contact-email { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 16px; }
.contact-symbol { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 50%; background: #fff0e5; color: var(--orange); font-size: 22px; font-weight: 900; }
.contact-details, .phone-number { min-width: 0; }
.contact-details small, .contact-details strong, .phone-number small, .phone-number strong { display: block; }
.contact-details small, .phone-number small { margin-bottom: 4px; color: #858e88; font-size: 10px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.contact-details strong, .phone-number strong { overflow-wrap: anywhere; font-size: 17px; }
.contact-arrow { color: var(--orange); font-size: 20px; }
.contact-phone { display: grid; gap: 19px; }
.messenger-links { display: flex; flex-wrap: wrap; gap: 9px; }
.messenger-link { display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px 7px 7px; border: 1px solid #e0e4df; border-radius: 999px; background: white; font-size: 11px; font-weight: 800; transition: transform .2s ease, box-shadow .2s ease; }
.messenger-link:hover { transform: translateY(-2px); box-shadow: 0 8px 18px rgba(22,61,50,.09); }
.messenger-icon { display: grid; place-items: center; width: 29px; height: 29px; flex: 0 0 29px; }
.messenger-icon img { display: block; width: 29px; height: 29px; object-fit: contain; }
.phone-number { display: inline-flex; flex-direction: column; align-items: flex-start; width: fit-content; }
.phone-number strong { font-family: var(--font-display), sans-serif; font-size: clamp(27px, 3vw, 38px); letter-spacing: -.035em; transition: color .2s ease; }
.phone-number:hover strong { color: var(--orange); }

.final-cta { padding: 105px 0; background: var(--orange); color: white; }
.final-cta-inner { display: flex; align-items: end; justify-content: space-between; gap: 60px; }
.final-cta h2 { max-width: 720px; }
.button-light { flex-shrink: 0; background: white; color: var(--ink); box-shadow: none; }
.button-light:hover { background: var(--green); color: white; }

footer { padding: 54px 0 24px; background: #102d25; color: white; }
.footer-main { display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; padding-bottom: 44px; }
.brand-footer .brand-mark { background: rgba(255,255,255,.08); }
.footer-logo { width: 88px; height: 88px; margin: -19px 0; }
.footer-main p { margin: 0; text-align: center; color: rgba(255,255,255,.52); font-size: 13px; }
.back-top { justify-self: end; font-size: 12px; font-weight: 800; color: #ffc18f; }
.footer-bottom { display: flex; justify-content: space-between; gap: 28px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.36); font-size: 10px; }
.footer-legal { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 10px 20px; text-align: right; }
.footer-legal a, .footer-legal button { padding: 0; border: 0; background: transparent; color: rgba(255,255,255,.7); font: inherit; text-decoration: underline; text-decoration-color: rgba(255,255,255,.25); text-underline-offset: 4px; cursor: pointer; transition: color .2s ease; }
.footer-legal a:hover, .footer-legal a:focus-visible, .footer-legal button:hover, .footer-legal button:focus-visible { color: #ffc18f; }

.cookie-banner { position: fixed; z-index: 100; left: 50%; bottom: 22px; display: flex; align-items: center; justify-content: space-between; gap: 28px; width: min(980px, calc(100% - 36px)); padding: 22px 24px; border: 1px solid rgba(255,255,255,.13); border-radius: 22px; background: rgba(16,45,37,.97); color: white; box-shadow: 0 24px 70px rgba(0,0,0,.28); backdrop-filter: blur(18px); transform: translateX(-50%); animation: cookieEnter .45s cubic-bezier(.2,.75,.25,1) both; }
.cookie-banner[hidden] { display: none; }
.cookie-banner-copy { max-width: 680px; }
.cookie-banner-copy strong { display: block; margin-bottom: 5px; font-size: 15px; }
.cookie-banner-copy p { margin: 0; color: rgba(255,255,255,.68); font-size: 12px; line-height: 1.55; }
.cookie-banner-copy a { display: inline-block; margin-top: 7px; color: #ffc18f; font-size: 11px; font-weight: 800; text-decoration: underline; text-decoration-color: rgba(255,193,143,.4); text-underline-offset: 4px; }
.cookie-banner > button { flex-shrink: 0; min-height: 46px; padding: 0 22px; border: 0; border-radius: 999px; background: var(--orange); color: white; font-size: 12px; font-weight: 800; cursor: pointer; transition: transform .2s ease, background .2s ease; }
.cookie-banner > button:hover { transform: translateY(-2px); background: var(--orange-dark); }

[data-reveal] { opacity: 0; transform: translateY(34px); transition: opacity .75s ease, transform .75s cubic-bezier(.2,.75,.25,1); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@keyframes radiate { 0% { opacity: .95; transform: translate(-50%,-50%) scale(.2); } 35% { opacity: .75; } 100% { opacity: 0; transform: translate(-50%,-50%) scale(2.45); } }
@keyframes heroZoom { from { transform: scale(1.09); } to { transform: scale(1.03); } }
@keyframes heatPulse { 0%,100% { opacity: .6; } 50% { opacity: 1; } }
@keyframes floorRadiate { 0% { opacity: .9; transform: translate(-50%, 16px) rotate(-15deg) scale(.28); } 52% { opacity: .58; } 100% { opacity: 0; transform: translate(-50%, -95px) rotate(-15deg) scale(1.65); } }
@keyframes filmGlow { 0%,100% { filter: brightness(.9) saturate(1) drop-shadow(0 0 5px rgba(242,121,34,.28)); } 50% { filter: brightness(1.24) saturate(1.18) drop-shadow(0 0 25px rgba(255,140,45,.88)); } }
@keyframes cookieEnter { from { opacity: 0; transform: translate(-50%, 18px); } to { opacity: 1; transform: translate(-50%, 0); } }

@media (min-width: 1101px) {
  .nav-shell { width: min(1480px, calc(100% - 48px)); }
  .hero { min-height: 760px; height: min(900px, 100svh); }
  .hero-content { padding-top: 0; transform: translateY(-32px); }
  .hero-proof { bottom: 68px; }
  .nav-links { gap: 30px; font-size: 20px; }
  .language-switcher button { min-width: 58px; height: 40px; padding: 0 10px; }
  .language-switcher button b { font-size: 12px; }
  .header-cta { min-height: 50px; padding: 0 24px; font-size: 17px; }
  .hero-proof > div { min-width: 200px; padding: 6px 30px; }
  .hero-proof strong { font-size: 34px; }
  .hero-proof > div:last-child strong { font-size: 26px; }
  .hero-proof span { font-size: 17px; }
}

@media (max-width: 1000px) {
  .nav-links { gap: 20px; }
  .header-cta { display: none; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 260px; }
  .feature-line { margin-bottom: 30px; }
  .tech-layout, .comfort-layout, .calculator-card, .contacts-card { grid-template-columns: 1fr; }
  .floor-visual { max-width: 650px; width: 100%; margin: 0 auto; }
  .comfort-image { min-height: 560px; }
}

@media (max-width: 720px) {
  .shell { width: min(100% - 32px, 1180px); }
  .section { padding: 82px 0; }
  .site-header { padding: 17px 0; }
  .brand-logo { width: 64px; height: 64px; margin: -10px 0; }
  .header-actions { gap: 7px; }
  .language-switcher { gap: 2px; padding: 3px; }
  .language-switcher button { min-width: 42px; height: 32px; padding: 0 6px; }
  .language-switcher button b { display: block; font-size: 11px; }
  .menu-toggle { display: block; }
  .nav-links { position: absolute; top: 70px; left: 16px; right: 16px; display: grid; gap: 0; overflow: hidden; max-height: 0; padding: 0 22px; border-radius: 18px; background: rgba(17,45,37,.97); box-shadow: 0 20px 50px rgba(0,0,0,.24); font-size: 14px; transition: max-height .35s ease, padding .35s ease; }
  .nav-links.is-open { max-height: 300px; padding: 10px 22px; }
  .nav-links a { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .hero { min-height: 760px; }
  .hero-content { padding-top: 10px; }
  .hero h1 { font-size: clamp(48px, 14vw, 68px); }
  .hero-content > p { font-size: 15px; line-height: 1.65; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 15px; }
  .hero-actions .button { width: 100%; }
  .hero-proof { bottom: 20px; justify-content: stretch; }
  .hero-proof > div { min-width: 0; flex: 1; padding: 3px 10px; }
  .hero-proof strong { font-size: 17px; }
  .hero-proof > div:last-child strong { font-size: 12px; }
  .hero-proof span { font-size: 9px; }
  .heat-lines { right: -26%; width: 90%; }
  .section-heading { grid-template-columns: 1fr; gap: 22px; margin-bottom: 40px; }
  .section-heading h2, .tech-copy h2, .process-title h2, .comfort-copy h2, .calculator-copy h2, .contacts-copy h2, .final-cta h2 { font-size: clamp(36px, 10vw, 52px); }
  .feature-card { padding: 27px; }
  .tech-layout { gap: 50px; }
  .floor-visual { min-height: 350px; margin-left: -6%; width: 112%; }
  .floor-layer { height: 72px; }
  .heat-wave { left: 67%; bottom: 112px; width: 120px; height: 46px; }
  .step { grid-template-columns: 45px 1fr; }
  .step > div { grid-template-columns: 1fr; gap: 10px; }
  .comfort-layout { gap: 46px; }
  .comfort-image { min-height: 480px; border-radius: 100px 22px 22px 22px; }
  .image-note { align-items: flex-start; flex-direction: column; }
  .calculator-section { padding-top: 5px; }
  .calculator-card { width: calc(100% - 20px); gap: 46px; padding: 46px 20px 20px; border-radius: 28px; }
  .calculator-form { padding: 24px 18px; }
  .floor-options { grid-template-columns: 1fr; }
  .contacts { padding-top: 5px; }
  .contacts-card { width: calc(100% - 20px); gap: 38px; padding: 46px 20px 20px; border-radius: 28px; }
  .contact-row { padding: 18px; }
  .messenger-link { padding-right: 9px; }
  .messenger-link > span:last-child { display: none; }
  .final-cta-inner { align-items: flex-start; flex-direction: column; }
  .button-light { width: 100%; }
  .footer-main { grid-template-columns: 1fr auto; gap: 26px; }
  .footer-logo { width: 76px; height: 76px; margin: -15px 0; }
  .footer-main p { display: none; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 7px; }
  .footer-legal { justify-content: flex-start; text-align: left; }
  .cookie-banner { bottom: 12px; align-items: stretch; flex-direction: column; gap: 16px; padding: 19px; border-radius: 18px; }
  .cookie-banner > button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}