:root {
  color-scheme: dark;
  --base: #0a1019;
  --black: #070b12;
  --surface: #121c28;
  --text: #f3f8ff;
  --muted: #bfccda;
  --accent: #67deff;
  --accent-hover: #a0edff;
  --signal: #ff5b67;
  --line: #293b4e;
  --radius: 25px;
  font-family: Arial, "Helvetica Neue", sans-serif;
  color: var(--text);
  background: var(--base);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }
h1, h2, h3, h4, p, figure { margin: 0; }
p { line-height: 1.55; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
[id] { scroll-margin-top: 28px; }
.shell { width: min(1280px, calc(100% - 72px)); margin-inline: auto; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 5; transform: translateY(-150%); background: var(--black); padding: 12px 18px; }
.skip-link:focus { transform: none; }
.arrow-icon { display: inline-flex; align-items: center; justify-content: center; flex: none; vertical-align: middle; }
.arrow-icon::before { content: ""; width: .92em; height: .92em; background: currentColor; mask: url("arrow-up.svg") center / contain no-repeat; }

.header { background: var(--black); border-bottom: 1px solid #1b2837; }
.header-inner { display: flex; min-height: 88px; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; flex: 0 0 auto; align-items: center; gap: 12px; text-decoration: none; }
.brand img { width: 100px; height: auto; padding: 3px; border-radius: 8px; background: #fff; }
.brand-city { display: block; font-size: 17px; font-weight: 700; letter-spacing: -.035em; }
.brand-city small { display: block; margin-top: 5px; color: var(--muted); font-size: 9px; font-weight: 500; letter-spacing: .13em; text-transform: uppercase; }
.header .brand-city small { font-size: 11px; letter-spacing: .035em; text-transform: none; }
.header nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px clamp(16px, 3vw, 48px); }
.header nav a, .header-phone { font-size: 15px; text-decoration: none; }
.header nav a:hover { color: var(--accent); }
.header-phone { display: flex; align-items: center; gap: 9px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 999px; white-space: nowrap; }
.header-phone:hover { color: var(--accent); border-color: var(--accent); }
.header-phone span { color: var(--accent); }
.header-actions, .messenger-icons { display: flex; align-items: center; gap: 8px; }
.header-actions { flex: 0 0 auto; gap: 12px; }
.messenger-icon { display: inline-grid; width: 36px; height: 36px; flex: 0 0 auto; place-items: center; border-radius: 50%; background: var(--text); color: var(--black); }
.messenger-icon::before { width: 21px; height: 21px; content: ""; background: currentColor; mask: var(--messenger-symbol) center / contain no-repeat; }
.messenger-telegram { --messenger-symbol: url("telegram.svg"); }
.messenger-whatsapp { --messenger-symbol: url("whatsapp.svg"); }
.messenger-max { --messenger-symbol: url("max.svg"); }
a.messenger-icon:hover { background: var(--accent); }

.hero { position: relative; isolation: isolate; background: #131d2a; }
.hero-image, .hero::before { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-image { z-index: -2; object-fit: cover; object-position: center 46%; }
.hero::before { z-index: -1; content: ""; background: linear-gradient(90deg, #070b12fa 0%, #070b12e9 25%, #070b12a0 48%, #070b1224 72%, #070b1218 100%), linear-gradient(0deg, #070b12ae, transparent 37%); }
.hero-layout { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(235px, 305px); align-items: center; gap: 24px; min-height: clamp(560px, 50vw, 700px); padding-block: 64px 56px; }
.eyebrow { display: flex; align-items: center; gap: 10px; color: var(--accent); font-size: 12px; font-weight: 700; line-height: 1.45; letter-spacing: .16em; text-transform: uppercase; }
.city-dot { width: 8px; height: 8px; flex: 0 0 8px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 4px #ff5b672a; margin-left: 4px; }
.hero h1 { margin: 20px 0 18px; font-size: clamp(39px, 5.25vw, 81px); line-height: .99; letter-spacing: -.054em; font-weight: 400; text-transform: uppercase; }
.hero h1 span { color: var(--accent); text-shadow: 0 0 30px #39c7ff36; }
.hero-assurance { max-width: 465px; margin-top: clamp(64px, 5.3vw, 76px); color: #fff; font-size: 15px; font-weight: 600; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; margin-top: 38px; }
.button { display: inline-flex; width: fit-content; max-width: 100%; min-height: 49px; align-items: center; justify-content: space-between; gap: 13px; padding: 13px 23px; border: 1px solid var(--accent); border-radius: 999px; background: var(--accent); color: #061522; font-weight: 700; font-size: 14px; text-decoration: none; line-height: 1.35; transition: background .2s ease, border-color .2s ease, color .2s ease; }
.button:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.button span { font-size: 16px; }
.button-outline { background: #08121da6; color: var(--text); border-color: #569eb5; }
.button-outline:hover { background: #132d3b; border-color: var(--accent); color: var(--accent); }
.hero-directions { display: grid; align-self: end; gap: 14px; }
.hero-direction { display: flex; min-height: 81px; align-items: center; justify-content: space-between; gap: 10px; padding: 14px 16px; border: 1px solid #67deff67; border-radius: 18px; background: #0a1422e8; backdrop-filter: blur(12px); text-decoration: none; }
.hero-direction:hover { border-color: var(--accent); background: #101f30; }
.hero-direction strong { display: block; font-size: clamp(17px, 1.6vw, 22px); line-height: 1.12; letter-spacing: -.03em; }
.hero-direction small { display: block; margin-top: 5px; color: var(--muted); font-size: 13px; line-height: 1.3; }
.round-arrow { display: grid; width: 34px; height: 34px; flex: 0 0 34px; place-items: center; border: 1px solid #5399b4; border-radius: 50%; color: var(--accent); font-size: 16px; }

.section { margin-block: 84px; }
.work { margin-top: 60px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 16px 28px; margin-bottom: 26px; }
.section-head > p { max-width: 380px; color: var(--muted); font-size: 16px; }
.section-kicker span { display: inline-grid; min-width: 27px; height: 24px; place-items: center; border: 1px solid #406881; border-radius: 6px; letter-spacing: .03em; }
h2 { margin-top: 11px; font-size: clamp(32px, 4.7vw, 66px); line-height: 1.01; letter-spacing: -.05em; font-weight: 400; text-transform: uppercase; }
.ceiling-copy > p { max-width: 420px; color: var(--muted); font-size: 16px; }
.ceiling-details { display: grid; gap: 11px; margin: 20px 0 23px; }
.ceiling-details > div { padding-left: 12px; border-left: 2px solid #47768e; }
.ceiling-details dt { font-size: 15px; font-weight: 700; }
.ceiling-details dd { margin: 4px 0 0; color: var(--muted); font-size: 14px; line-height: 1.45; }

.about, .process, .faq { border-top: 1px solid var(--line); padding-top: 31px; }
.service-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 13px; }
.service { display: flex; flex-direction: column; align-items: flex-start; gap: 11px; min-height: 228px; padding: 23px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, #18293b, var(--surface) 72%); }
.service-no { color: var(--accent); font-size: 12px; letter-spacing: .09em; }
.service h3, .service h4 { font-size: clamp(21px, 2.4vw, 32px); line-height: 1.12; letter-spacing: -.035em; font-weight: 500; }
.service p { color: var(--muted); font-size: 15px; }
.card-link { width: fit-content; color: var(--accent); font-size: 14px; font-weight: 700; text-decoration: none; }
.card-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.card-link span { margin-left: 4px; }
.service .card-link { margin-top: auto; padding-top: 8px; }

.about .section-head > p { max-width: 510px; }
.about .section-head strong { color: var(--text); }
.advantages { margin: 0; padding: 0; list-style: none; }
.advantages .service { min-height: auto; }
.advantages .service h3 { font-size: clamp(20px, 2vw, 26px); }

.portfolio-category { margin-top: 32px; }
.portfolio-category + .portfolio-category { margin-top: 42px; }
.portfolio-service-info { margin-top: 24px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.ceiling-service-info { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 32px; }
.ceiling-service-info .ceiling-details { margin: 0; gap: 20px; }
.ceiling-service-info .button { margin-top: 20px; }
.climate-service-info { margin-top: 24px; }
.portfolio-row-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}
.portfolio-row-head h3 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 400;
  letter-spacing: -.035em;
}
.portfolio-row-head p { margin-top: 5px; color: var(--muted); font-size: 14px; }
.portfolio-row-controls { display: flex; gap: 8px; flex-shrink: 0; }
.project-arrow {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  border: 1px solid #42667e;
  border-radius: 50%;
  background: #0c1725e8;
  color: var(--accent);
  font-size: 21px;
}
.project-arrow:hover { border-color: var(--accent); background: #173447; }
.project-arrow:disabled { opacity: .35; cursor: default; }
.portfolio-row {
  display: flex;
  align-items: stretch;
  gap: 20px;
  overflow-x: auto;
  padding: 0 2px 16px;
  scroll-snap-type: x proximity;
  scroll-padding-inline: 2px;
  scrollbar-width: thin;
  scrollbar-color: #3c677d #101c29;
}
.project-card {
  display: flex;
  flex-direction: column;
  flex: 0 0 calc((100% - 60px) / 4);
  min-width: 245px;
  max-width: 380px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 19px;
  background: var(--surface);
  scroll-snap-align: start;
}
.project-stage { position: relative; background: #05090f; }
.project-stage > video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 16;
  object-fit: contain;
}
.project-slides {
  display: flex;
  width: 100%;
  aspect-ratio: 9 / 16;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
}
.project-slides::-webkit-scrollbar { display: none; }
.project-slide {
  display: grid;
  place-items: center;
  flex: 0 0 100%;
  min-width: 0;
  height: 100%;
  scroll-snap-align: start;
}
.project-slide video, .project-photo, .project-photo img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: contain;
}
.project-photo { position: relative; }
.project-photo img { object-fit: cover; }
.project-zoom {
  position: absolute;
  right: 12px;
  bottom: 12px;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid #7d9bb9;
  border-radius: 50%;
  background: #07101bd9;
  color: var(--text);
}
.project-slide-controls {
  position: absolute;
  inset: 10px 10px auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  pointer-events: none;
}
.project-slide-controls button { pointer-events: auto; }
.project-counter {
  padding: 5px 10px;
  border: 1px solid #526c80;
  border-radius: 99px;
  background: #07101bd9;
  color: var(--text);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}
.project-caption { min-height: 95px; padding: 17px 15px 18px; }
.project-caption h4 { margin: 0; font-size: 19px; line-height: 1.25; font-weight: 500; }
.project-caption p { margin-top: 7px; color: var(--muted); font-size: 13px; }
.work-channels-note { max-width: 960px; margin: 38px 0 20px; color: var(--text); font-size: clamp(22px, 2.5vw, 32px); line-height: 1.25; font-weight: 500; letter-spacing: -.025em; }
.work-channels-note strong { color: var(--accent); font-weight: 600; }
.portfolio-channel-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.portfolio-channel-card {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) 36px;
  align-items: center;
  gap: 16px;
  min-height: 104px;
  padding: 20px 22px;
  border: 1px solid #375c73;
  border-radius: 21px;
  background: linear-gradient(120deg, #17364b, #101d2b 75%);
  text-decoration: none;
  transition: border-color .2s ease, background .2s ease;
}
.portfolio-channel-card:hover {
  border-color: var(--accent);
  background: linear-gradient(120deg, #1a4259, #152738 75%);
}
.portfolio-channel-card .messenger-icon {
  width: 46px;
  height: 46px;
  background: var(--accent);
  box-shadow: 0 0 22px #67deff15;
}
.portfolio-channel-card .messenger-icon::before { width: 25px; height: 25px; }
.portfolio-channel-copy strong { display: block; font-size: 20px; font-weight: 500; }
.portfolio-channel-copy small { display: block; margin-top: 5px; color: var(--muted); font-size: 13px; line-height: 1.4; }
.portfolio-channel-arrow { width: 36px; height: 36px; border: 1px solid #47738c; border-radius: 50%; color: var(--accent); }

.work [hidden] { display: none; }

dialog.work-photo-dialog {
  width: min(1100px, calc(100% - 24px));
  max-height: calc(100dvh - 24px);
  padding: 14px;
}
.work-photo-dialog form { display: flex; justify-content: flex-end; margin-bottom: 10px; }
.work-photo-close {
  min-height: 42px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--text);
}
.work-photo-close span { margin-left: 10px; font-size: 20px; }
.work-photo-dialog img {
  width: 100%;
  height: min(72dvh, 800px);
  object-fit: contain;
  border-radius: 9px;
  background: #05090f;
}
.work-photo-dialog figcaption { padding: 12px 4px 4px; color: var(--muted); }

.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 25px 0 0; padding: 0; gap: 16px; list-style: none; }
.steps li { display: flex; gap: 13px; padding-top: 15px; border-top: 1px solid var(--line); }
.steps li > span { color: var(--accent); font-size: 12px; font-weight: 700; padding-top: 4px; }
.steps strong { font-size: 17px; }
.steps p { margin-top: 5px; color: var(--muted); font-size: 14px; }

.faq { display: grid; grid-template-columns: .78fr 1.22fr; align-items: start; gap: 26px; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { position: relative; padding: 16px 35px 16px 0; cursor: pointer; list-style: none; font-weight: 600; }
summary::-webkit-details-marker { display: none; }
summary::after { position: absolute; right: 3px; color: var(--accent); content: "+"; font-size: 20px; line-height: 1; }
details[open] summary::after { content: "−"; }
details p { padding: 0 20px 14px 0; color: var(--muted); font-size: 14px; }

.contact { border-block: 1px solid var(--line); background: radial-gradient(ellipse at 20% 0%, #143148, #0d1723 57%); }
.contact-inner { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(24px, 6vw, 90px); padding-block: 60px; align-items: start; }
.contact-copy { padding-block: 14px; }
.contact-copy h2 { margin: 15px 0 14px; font-size: clamp(37px, 5.35vw, 76px); }
.contact-copy > p:not(.eyebrow) { color: var(--muted); }
.contact-phone { display: inline-block; margin-top: 18px; color: var(--accent); font-size: clamp(22px, 3vw, 34px); letter-spacing: -.035em; text-decoration: none; }
.contact-phone:hover { text-decoration: underline; text-underline-offset: 4px; }
.contact-phone span { font-size: .62em; }
.contact-email { display: block; width: fit-content; max-width: 100%; margin-top: 8px; color: var(--accent); text-underline-offset: 4px; overflow-wrap: anywhere; }
.contact-email:hover { color: var(--accent-hover); }
.messenger-contacts { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 20px; }
.messenger-contact { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 5px 12px 5px 5px; border: 1px solid var(--line); border-radius: 999px; font-size: 14px; text-decoration: none; }
.messenger-contact:hover { color: var(--accent); border-color: var(--accent); }
.messenger-contact .messenger-icon { width: 32px; height: 32px; }
.request-form { display: grid; min-width: 0; gap: 13px; padding: clamp(17px, 3vw, 32px); border: 1px solid #314d64; border-radius: var(--radius); background: #131f2d; }
.request-form h3 { font-size: 27px; letter-spacing: -.035em; font-weight: 600; }
.demo-note { padding: 9px 11px; border: 1px solid #34546a; border-radius: 8px; background: #183044; color: #dfecfa; font-size: 13px; }
.form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px; }
.request-form label { font-weight: 600; font-size: 13px; }
.field-note { color: var(--muted); font-weight: 400; font-size: 11px; }
.request-form input:not([type="checkbox"]), .request-form textarea, .request-form select { display: block; width: 100%; min-height: 44px; margin-top: 5px; padding: 10px; border: 1px solid #41586e; border-radius: 9px; background: #0a1421; color: var(--text); font-size: 16px; font-weight: 400; }
.request-form textarea { resize: vertical; min-height: 74px; }
.request-form input::placeholder, .request-form textarea::placeholder { color: #a4b7cb; opacity: 1; }
.agreement { display: flex; align-items: flex-start; gap: 8px; }
.agreement input { accent-color: var(--accent); width: 16px; height: 16px; flex: 0 0 16px; margin: 2px 0 0; }
.agreement label { font-size: 12px; font-weight: 400; line-height: 1.45; }
.inline-link { width: fit-content; color: var(--accent); text-underline-offset: 3px; font-size: 12px; }
.inline-link:hover { color: var(--accent-hover); }
.form-button { width: 100%; }
.form-button:disabled { opacity: .6; cursor: not-allowed; }
.form-button .submit-label { font-size: inherit; }
.form-result { color: var(--accent); font-size: 13px; }
.form-result:empty { display: none; }
.footer { background: var(--black); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 13px 25px; padding-block: 20px; }
.footer p { color: var(--muted); font-size: 12px; }
.mobile-contact { display: none; }

dialog { width: min(520px, calc(100% - 28px)); border: 1px solid var(--line); border-radius: 17px; padding: 23px; color: var(--text); background: var(--surface); }
dialog::backdrop { background: #060a11c4; }
dialog h2 { margin-top: 0; font-size: 25px; text-transform: none; }
dialog p { margin-top: 10px; }
dialog .button { margin-top: 17px; }

.legal-page { width: min(720px, calc(100% - 40px)); margin: 0 auto; padding: clamp(32px, 7vw, 76px) 0; }
.legal-page a { color: var(--accent); text-underline-offset: 4px; }
.legal-page a:hover { color: var(--accent-hover); }
.legal-page h1 { margin: 22px 0 14px; font-size: clamp(29px, 5vw, 49px); line-height: 1.1; letter-spacing: -.035em; overflow-wrap: anywhere; }
.legal-page .demo-note { font-size: 14px; }
.legal-page section { margin-top: 25px; }
.legal-page h2 { margin-bottom: 7px; font-size: 20px; }
.legal-page p + p { margin-top: 8px; }
.legal-page nav { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); }

@media (max-width: 1000px) {
  .shell { width: calc(100% - 48px); }
  .header nav { gap: 11px 16px; }
  .header nav a, .header-phone { font-size: 13px; }
  .footer .brand-city { display: none; }
  .header .brand { flex-direction: column; gap: 4px; }
  .header .brand-city { font-size: 0; }
  .header .brand-city small { margin-top: 0; font-size: 10px; }
  .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section { margin-block: 64px; }
}

@media (max-width: 790px) {
  .shell { width: calc(100% - 34px); }
  .header-inner { min-height: auto; flex-wrap: wrap; gap: 12px; padding-block: 10px; }
  .brand img { width: 85px; }
  .header nav { order: 3; flex-basis: 100%; justify-content: space-between; border-top: 1px solid var(--line); padding-top: 10px; }
  .hero-image { height: min(100%, 560px); object-position: 64% center; }
  .hero::before { background: linear-gradient(0deg, #0a1019 11%, #070b12b5 63%, #070b123d 100%), linear-gradient(90deg, #070b12c9, #070b122a); }
  .hero-layout { grid-template-columns: 1fr; align-items: start; gap: 36px; min-height: auto; padding-block: 44px 24px; }
  .hero h1 { font-size: clamp(33px, 7.1vw, 60px); margin-block: 20px; }
  .hero-assurance { margin-top: 46px; }
  .hero-directions { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 560px; }
  .hero-direction { min-height: 72px; gap: 6px; }
  .hero-actions { margin-top: 32px; }
  .work { margin-top: 32px; }
  .section-head, .footer-inner { flex-wrap: wrap; align-items: flex-start; }
  .ceiling-service-info, .service-grid, .steps, .faq, .contact-inner { grid-template-columns: 1fr; }
  .portfolio-service-info { padding: 20px; gap: 24px; }
  .service { min-height: auto; padding: 17px; }
  .contact-inner { padding-block: 38px; }
  .contact-copy { padding: 0; }
  html { scroll-padding-bottom: calc(80px + env(safe-area-inset-bottom)); }
  .footer { padding-bottom: calc(67px + env(safe-area-inset-bottom)); }
  .mobile-contact { position: fixed; z-index: 4; inset: auto 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 9px; padding: 8px 17px calc(8px + env(safe-area-inset-bottom)); border-top: 1px solid var(--line); background: #070b12f5; }
  .mobile-contact .button { width: 100%; min-height: 44px; justify-content: center; padding-block: 8px; }
}

@media (max-width: 600px) {
  .portfolio-channel-links { grid-template-columns: 1fr; }
  .portfolio-channel-card { padding: 17px; gap: 12px; }
  .portfolio-channel-copy strong { font-size: 18px; }
  .portfolio-row { gap: 14px; }
  .project-card { flex-basis: calc(100% - 38px); min-width: 0; }
  .portfolio-row-head h3 { font-size: 25px; }
  .portfolio-row-head p { font-size: 12px; }
  .portfolio-row-controls { gap: 6px; }
  .project-arrow { width: 38px; height: 38px; font-size: 20px; }
}

@media (max-width: 480px) {
  .header-inner { column-gap: 10px; }
  .header .brand img { width: 64px; }
  .header .brand-city small { font-size: 8px; }
  .header-phone { font-size: 12px; padding: 8px 9px; gap: 5px; }
  .header .messenger-icons { gap: 5px; }
  .header-actions { flex-direction: row; align-items: center; gap: 8px; }
  .header-actions .messenger-icon { width: 28px; height: 28px; }
  .header-actions .messenger-icon::before { width: 18px; height: 18px; }
}

@media (max-width: 420px) {
  .header nav { gap: 6px; }
  .header nav a { font-size: 12px; }
  .header-phone { padding: 8px 10px; gap: 6px; }
  .hero h1 { font-size: clamp(27px, 8.9vw, 37px); }
  .button { min-height: 45px; padding: 10px 13px; font-size: 13px; }
  .hero-actions { gap: 8px; }
  .hero-direction { padding: 10px; }
  .hero-direction strong { font-size: 15px; }
  .hero-direction small { font-size: 12px; }
  .round-arrow { width: 23px; height: 23px; flex-basis: 23px; font-size: 11px; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 360px) {
  .header-inner { column-gap: 6px; }
  .header .brand img { width: 50px; }
  .header .brand-city small { font-size: 7px; }
  .header-phone { font-size: 11px; padding: 7px 6px; gap: 4px; }
  .header-actions { gap: 6px; }
  .header .messenger-icons { gap: 4px; }
  .header-actions .messenger-icon { width: 24px; height: 24px; }
  .header nav { justify-content: center; gap: 7px 14px; }
  .header nav a { font-size: 11px; }
  .hero-actions .button { gap: 8px; padding-inline: 10px; }
  .hero-direction strong { font-size: 14px; }
  .hero-direction .round-arrow { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}