.karkas-landing {
  --k-dark: #181b17;
  --k-graphite: #242722;
  --k-paper: #fbfaf6;
  --k-ivory: #f0ece3;
  --k-copper: #b77a4d;
  --k-copper-light: #d4a27d;
  --k-line: #d7d0c4;
  overflow: hidden;
  overflow: clip;
  background: var(--k-paper);
}

.karkas-landing section,
.karkas-landing aside { scroll-margin-top: 160px; }
.karkas-landing h2 {
  margin: 0;
  font: 400 clamp(42px, 5vw, 68px)/1.02 Georgia, "Times New Roman", serif;
  letter-spacing: -.035em;
}
.karkas-landing h2 em { color: var(--k-copper); font-weight: 400; }
.karkas-landing p { line-height: 1.7; }

.karkas-hero {
  position: relative;
  min-height: 760px;
  color: #fff;
  background: var(--k-dark);
  isolation: isolate;
}
.karkas-hero__image,
.karkas-hero__shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.karkas-hero__image { object-fit: cover; z-index: -2; }
.karkas-hero__shade {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(8,10,8,.94) 0%, rgba(8,10,8,.76) 43%, rgba(8,10,8,.13) 78%),
    linear-gradient(0deg, rgba(8,10,8,.72) 0%, transparent 48%);
}
.karkas-hero__content {
  min-height: 760px;
  padding-top: 56px;
  padding-bottom: 30px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.karkas-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: clamp(48px, 7vh, 78px);
  color: rgba(255,255,255,.58);
  font-size: 9px;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.karkas-breadcrumbs a:hover { color: #fff; }
.karkas-hero h1 {
  max-width: 930px;
  margin: 22px 0 26px;
  font: 400 clamp(58px, 7vw, 94px)/.96 Georgia, "Times New Roman", serif;
  letter-spacing: -.047em;
}
.karkas-hero h1 em { color: var(--k-copper-light); font-weight: 400; }
.karkas-hero__lead {
  max-width: 690px;
  margin: 0;
  color: rgba(255,255,255,.84);
  font: 18px/1.65 Georgia, serif;
}
.karkas-hero__actions { display: flex; align-items: center; gap: 32px; margin-top: 32px; }
.karkas-text-link {
  padding: 10px 0 7px;
  border-bottom: 1px solid rgba(255,255,255,.55);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.karkas-text-link span { color: var(--k-copper-light); font-size: 15px; }
.karkas-hero__facts {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  margin: auto 0 0;
  padding: 24px 0 0;
  border-top: 1px solid rgba(255,255,255,.28);
  list-style: none;
}
.karkas-hero__facts b { display: block; font: 400 18px Georgia, serif; }
.karkas-hero__facts span {
  display: block;
  margin-top: 7px;
  color: rgba(255,255,255,.55);
  font-size: 9px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.karkas-visual-note {
  position: absolute;
  right: 20px;
  bottom: 12px;
  margin: 0 !important;
  color: rgba(255,255,255,.5);
  font-size: 8px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.karkas-anchor-nav {
  position: sticky;
  top: 86px;
  z-index: 20;
  min-height: 58px;
  border-bottom: 1px solid var(--k-line);
  background: rgba(251,250,246,.96);
  backdrop-filter: blur(12px);
}
.karkas-anchor-nav .shell {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(20px, 3vw, 38px);
}
.karkas-anchor-nav a {
  color: #64665f;
  font-size: 9px;
  letter-spacing: .11em;
  text-transform: uppercase;
  white-space: nowrap;
}
.karkas-anchor-nav a:hover { color: var(--k-copper); }

.karkas-scenarios { padding: 82px 0 0; }
.karkas-scenarios h2 { margin: 18px 0 38px; font-size: clamp(38px, 4vw, 55px); }
.karkas-scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--k-line);
  border-left: 1px solid var(--k-line);
}
.karkas-scenario-grid a {
  min-height: 245px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--k-line);
  border-bottom: 1px solid var(--k-line);
  transition: background .25s, transform .25s;
}
.karkas-scenario-grid a:hover { background: var(--k-ivory); transform: translateY(-3px); }
.karkas-scenario-grid span { color: var(--k-copper); font-size: 9px; letter-spacing: .15em; }
.karkas-scenario-grid b { margin-top: 36px; font: 400 24px Georgia, serif; }
.karkas-scenario-grid p { margin: 12px 0 20px; color: #6b6d66; font-family: Georgia, serif; font-size: 14px; }
.karkas-scenario-grid i { margin-top: auto; font-style: normal; font-size: 9px; font-weight: 700; letter-spacing: .11em; text-transform: uppercase; }

.karkas-intro {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: clamp(60px, 8vw, 110px);
  padding: 120px 0;
}
.karkas-intro h2 { margin-top: 20px; }
.karkas-intro__copy { color: #666860; font: 18px/1.7 Georgia, serif; }
.karkas-intro__copy p:first-child { margin-top: 0; }

.karkas-benefits { padding: 90px 0; color: #fff; background: var(--k-graphite); }
.karkas-benefit-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid #4d504a;
  border-left: 1px solid #4d504a;
}
.karkas-benefit-grid article {
  min-height: 285px;
  padding: 32px;
  border-right: 1px solid #4d504a;
  border-bottom: 1px solid #4d504a;
}
.karkas-benefit-grid span { color: var(--k-copper-light); font-size: 9px; letter-spacing: .15em; }
.karkas-benefit-grid h3 { margin: 45px 0 16px; font: 400 23px/1.17 Georgia, serif; }
.karkas-benefit-grid p { color: #aaada7; font: 14px/1.7 Georgia, serif; }
.karkas-disclaimer { margin: 24px 0 0; color: #898b85; font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }

.karkas-projects { padding: 120px 0; }
.karkas-section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 60px;
  margin-bottom: 55px;
}
.karkas-section-head > p { max-width: 430px; margin: 0; color: #6d6f68; font-family: Georgia, serif; }
.karkas-project-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 62px 24px; }
.karkas-project-card { min-width: 0; }
.karkas-project-card__visual { position: relative; overflow: hidden; background: #e6e0d7; }
.karkas-project-card__tabs {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 3;
  display: flex;
  padding: 4px;
  background: rgba(24,27,23,.88);
  backdrop-filter: blur(8px);
}
.karkas-project-card__tabs button {
  min-height: 36px;
  padding: 0 15px;
  border: 0;
  color: rgba(255,255,255,.7);
  background: transparent;
  cursor: pointer;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.karkas-project-card__tabs button.is-active { color: #222; background: #fff; }
.karkas-project-card__tabs button:focus-visible { outline: 2px solid var(--k-copper-light); outline-offset: 2px; }
.karkas-project-card__panel { position: relative; aspect-ratio: 3 / 2; }
.karkas-project-card__panel[hidden] { display: none; }
.karkas-project-card__panel > img { width: 100%; height: 100%; object-fit: cover; }
.karkas-project-card__plan { padding: 26px; background: #f7f4ec; }
.karkas-project-card__plan > img { object-fit: contain; }
.karkas-project-card__note {
  position: absolute;
  right: 13px;
  bottom: 11px;
  padding: 7px 9px;
  color: rgba(255,255,255,.78);
  background: rgba(20,22,19,.62);
  font-size: 7px;
  letter-spacing: .11em;
  text-transform: uppercase;
}
.karkas-project-card__note.dark { color: #555750; background: rgba(247,244,236,.9); }
.karkas-project-card__body { padding-top: 22px; }
.karkas-project-card__heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; }
.karkas-project-card__heading p { margin: 0 0 5px; color: var(--k-copper); font-size: 8px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.karkas-project-card h3 { margin: 0; font: 400 32px Georgia, serif; }
.karkas-project-card__heading > b { color: var(--k-copper); font: 400 23px Georgia, serif; white-space: nowrap; }
.karkas-project-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 13px 0 0;
  padding: 0;
  list-style: none;
  color: #72746d;
  font-size: 9px;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.karkas-project-card__family { margin: 18px 0 4px !important; color: #242722; font-size: 11px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; }
.karkas-project-card__body > p:not(.karkas-project-card__family) { margin: 10px 0 17px; color: #666860; font-family: Georgia, serif; }
.karkas-project-card__rooms { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 18px; margin: 0 0 22px; padding: 0; list-style: none; color: #62645d; font-size: 12px; }
.karkas-project-card__rooms li::before { content: "✓"; margin-right: 8px; color: var(--k-copper); }
.karkas-project-card__cta { display: inline-block; padding-bottom: 6px; border-bottom: 1px solid var(--k-dark); font-size: 9px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.karkas-project-card__cta span { color: var(--k-copper); }
.karkas-project-legal { margin: 36px 0 0; color: #878982; font-size: 9px; letter-spacing: .07em; text-transform: uppercase; }

.karkas-selection { padding: 78px 0; color: #fff; background: var(--k-dark); }
.karkas-selection .shell { display: grid; grid-template-columns: 1.25fr .75fr; align-items: center; gap: 80px; }
.karkas-selection h2 { margin-top: 20px; font-size: clamp(38px, 4.2vw, 58px); }
.karkas-selection .shell > div:last-child p { margin: 0 0 25px; color: #adafa9; font-family: Georgia, serif; }

.karkas-fit { padding: 110px 0; background: var(--k-ivory); }
.karkas-fit__grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; }
.karkas-fit h2 { margin: 22px 0; }
.karkas-fit__grid > div:first-child > p:last-child { color: #696b64; font-family: Georgia, serif; }
.karkas-fit__cards { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.karkas-fit__cards article { padding: 34px; background: var(--k-paper); }
.karkas-fit__cards b { font: 400 22px Georgia, serif; }
.karkas-fit__cards ul { margin: 24px 0 0; padding-left: 18px; color: #5e605a; }
.karkas-fit__cards li { margin: 12px 0; line-height: 1.45; }

.karkas-objections { padding: 120px 0; }
.karkas-objection-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--k-line); border-left: 1px solid var(--k-line); }
.karkas-objection-grid article { min-height: 260px; padding: 34px; border-right: 1px solid var(--k-line); border-bottom: 1px solid var(--k-line); }
.karkas-objection-grid span { color: var(--k-copper); font-size: 9px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.karkas-objection-grid h3 { margin: 30px 0 12px; font: 400 25px Georgia, serif; }
.karkas-objection-grid p { margin: 0; color: #6a6c65; font-family: Georgia, serif; }

.karkas-technology { padding: 115px 0; background: #f5f2eb; }
.karkas-wall { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 70px; }
.karkas-wall__visual { min-height: 490px; display: flex; align-items: stretch; gap: 5px; padding: 55px; background: var(--k-graphite); }
.karkas-wall__visual span {
  flex: 1;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 12px 5px;
  color: #fff;
  background: #343730;
  font-size: 8px;
  letter-spacing: .07em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}
.karkas-wall__visual span:nth-child(1) { background: #7a6049; }
.karkas-wall__visual span:nth-child(2) { background: #242722; }
.karkas-wall__visual span:nth-child(3) { background: #66736a; }
.karkas-wall__visual span:nth-child(4) { flex: 2.4; color: #26271f; background: #c3aa82; }
.karkas-wall__visual span:nth-child(5) { background: #9d7253; }
.karkas-wall__visual span:nth-child(6) { flex: 1.4; color: #333; background: #ddd5c5; }
.karkas-wall__visual span:nth-child(7) { color: #333; background: #f2eee5; }
.karkas-wall ol { margin: 0; padding: 0; list-style: none; }
.karkas-wall li { padding: 20px 0; border-bottom: 1px solid var(--k-line); }
.karkas-wall li b { font: 400 21px Georgia, serif; }
.karkas-wall li p { margin: 8px 0 0; color: #72746d; font-size: 14px; }

.karkas-options { padding: 110px 0; color: #fff; background: var(--k-graphite); }
.karkas-options .karkas-section-head > p { color: #a8aaa4; }
.karkas-option-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid #51534e; border-left: 1px solid #51534e; }
.karkas-option-grid article { min-height: 455px; display: flex; flex-direction: column; padding: 38px; border-right: 1px solid #51534e; border-bottom: 1px solid #51534e; }
.karkas-option-grid article.featured { background: #2d302b; box-shadow: inset 0 3px 0 var(--k-copper); }
.karkas-option-grid > article > span { color: var(--k-copper-light); font-size: 9px; letter-spacing: .13em; text-transform: uppercase; }
.karkas-option-grid h3 { margin: 45px 0 18px; font: 400 29px Georgia, serif; }
.karkas-option-grid p,
.karkas-option-grid li { color: #aaaca6; font-family: Georgia, serif; }
.karkas-option-grid ul { padding-left: 18px; }
.karkas-option-grid li { margin: 11px 0; }
.karkas-option-grid a { align-self: flex-start; margin-top: auto; padding-bottom: 7px; border-bottom: 1px solid #777970; font-size: 9px; letter-spacing: .12em; text-transform: uppercase; }

.karkas-process { padding: 120px 0; }
.karkas-process ol { margin: 0; padding: 0; border-top: 1px solid var(--k-line); list-style: none; }
.karkas-process li { display: grid; grid-template-columns: 70px 300px 1fr; gap: 30px; align-items: start; padding: 24px 0; border-bottom: 1px solid var(--k-line); }
.karkas-process li span { color: var(--k-copper); font-size: 9px; letter-spacing: .16em; }
.karkas-process li b { font: 400 21px Georgia, serif; }
.karkas-process li p { margin: 0; color: #70726b; font-size: 14px; }

.karkas-quality { color: #fff; background: var(--k-dark); }
.karkas-quality__grid { min-height: 670px; display: grid; grid-template-columns: 1.08fr .92fr; }
.karkas-quality__image { position: relative; margin-left: calc((1180px - 100vw) / 2); }
.karkas-quality__image img { width: 100%; height: 100%; object-fit: cover; }
.karkas-quality__image > span { position: absolute; left: 16px; bottom: 14px; padding: 8px; background: rgba(0,0,0,.58); font-size: 8px; letter-spacing: .1em; text-transform: uppercase; }
.karkas-quality__grid > div:last-child { padding: 95px 0 70px 75px; }
.karkas-quality h2 { margin: 22px 0; }
.karkas-quality__grid > div:last-child > p:not(.section-kicker) { color: #aeb0aa; font-family: Georgia, serif; }
.karkas-quality ul { margin: 30px 0; padding: 0; list-style: none; }
.karkas-quality li { display: flex; justify-content: space-between; gap: 25px; padding: 16px 0; border-top: 1px solid #454842; }
.karkas-quality li b { font-family: Georgia, serif; font-weight: 400; }
.karkas-quality li span { color: #8d8f89; font-size: 12px; text-align: right; }

.karkas-cost { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; padding: 120px 0; }
.karkas-cost h2 { margin: 22px 0; }
.karkas-cost > div:first-child > p:last-child { color: #6d6f68; font-family: Georgia, serif; }
.karkas-cost h3 { margin: 5px 0 28px; font: 400 25px Georgia, serif; }
.karkas-cost__factors { display: grid; grid-template-columns: 1fr 1fr; align-content: start; border-top: 1px solid var(--k-line); }
.karkas-cost__factors span { padding: 20px 10px; border-bottom: 1px solid var(--k-line); font-size: 10px; letter-spacing: .09em; text-transform: uppercase; }

.karkas-calc { padding: 110px 0; background: var(--k-ivory); }
.karkas-calc__grid { display: grid; grid-template-columns: 1fr 470px; gap: 90px; }
.karkas-calc h2 { margin: 22px 0; }
.karkas-calc__grid > div:first-child > p { max-width: 580px; color: #686a63; font-family: Georgia, serif; }
.karkas-calc__result { margin-top: 30px; padding: 25px 28px; border-left: 3px solid var(--k-copper); background: rgba(255,255,255,.48); }
.karkas-calc__result b { font: 400 19px Georgia, serif; }
.karkas-calc__result ul { margin: 14px 0 0; padding-left: 18px; color: #676961; }
.karkas-calc__result li { margin: 8px 0; }
.karkas-calc__form form,
.karkas-form-fallback { padding: 36px; background: var(--k-paper); }
.karkas-form-fallback h3 { font: 400 28px Georgia, serif; }

.karkas-faq { padding: 120px 0; }
.karkas-faq__list { max-width: 900px; margin-left: auto; }
.karkas-faq details { border-top: 1px solid var(--k-line); }
.karkas-faq details:last-child { border-bottom: 1px solid var(--k-line); }
.karkas-faq summary { display: flex; justify-content: space-between; gap: 20px; padding: 25px 0; cursor: pointer; list-style: none; font: 400 21px Georgia, serif; }
.karkas-faq summary::-webkit-details-marker { display: none; }
.karkas-faq summary span { color: var(--k-copper); font-family: Arial, sans-serif; transition: transform .2s; }
.karkas-faq details[open] summary span { transform: rotate(45deg); }
.karkas-faq details p { max-width: 760px; margin: 0 0 25px; color: #6b6d66; font-family: Georgia, serif; }

.karkas-final { padding: 110px 0; color: #fff; background: var(--k-dark); text-align: center; }
.karkas-final h2 { margin: 22px 0; font-size: clamp(48px, 7vw, 88px); }
.karkas-final > div > p:not(.section-kicker) { max-width: 680px; margin: 0 auto 35px; color: #afb1ab; font: 17px/1.7 Georgia, serif; }
.karkas-final > div > div { display: flex; align-items: center; justify-content: center; gap: 28px; }
.karkas-phone { padding-bottom: 7px; border-bottom: 1px solid #777; font: 20px Georgia, serif; }
.karkas-mobile-cta { display: none; }

@media (max-width: 1100px) {
  .karkas-benefit-grid { grid-template-columns: repeat(2, 1fr); }
  .karkas-fit__grid,
  .karkas-wall,
  .karkas-cost,
  .karkas-calc__grid { grid-template-columns: 1fr; }
  .karkas-fit__grid,
  .karkas-calc__grid { gap: 48px; }
  .karkas-option-grid { grid-template-columns: 1fr; }
  .karkas-option-grid article { min-height: 350px; }
  .karkas-quality__grid { grid-template-columns: 1fr; }
  .karkas-quality__image { height: 520px; margin: 0; }
  .karkas-quality__grid > div:last-child { padding: 80px 0; }
  .karkas-calc__form { max-width: 620px; }
}

@media (max-width: 900px) {
  .karkas-anchor-nav { top: 70px; overflow-x: auto; scrollbar-width: none; }
  .karkas-anchor-nav::-webkit-scrollbar { display: none; }
  .karkas-anchor-nav .shell { width: max-content; min-width: 100%; justify-content: flex-start; padding: 0 24px; }
  .karkas-scenario-grid { grid-template-columns: 1fr; }
  .karkas-scenario-grid a { min-height: 190px; }
  .karkas-intro { grid-template-columns: 1fr; gap: 38px; }
  .karkas-project-grid { grid-template-columns: 1fr; gap: 70px; }
  .karkas-project-card__visual { max-height: none; }
  .karkas-selection .shell { grid-template-columns: 1fr; gap: 35px; }
  .karkas-fit__cards { grid-template-columns: 1fr 1fr; }
  .karkas-process li { grid-template-columns: 60px 240px 1fr; gap: 20px; }
}

@media (max-width: 680px) {
  .karkas-landing { padding-bottom: 58px; }
  .karkas-landing section,
  .karkas-landing aside { scroll-margin-top: 132px; }
  .karkas-landing h2 { font-size: 40px; }
  .karkas-hero,
  .karkas-hero__content { min-height: 730px; }
  .karkas-hero__content { padding-top: 34px; padding-bottom: 24px; }
  .karkas-breadcrumbs { margin-bottom: 42px; }
  .karkas-hero h1 { margin-top: 18px; font-size: clamp(44px, 13.5vw, 58px); }
  .karkas-hero__lead { font-size: 16px; }
  .karkas-hero__actions { align-items: flex-start; flex-direction: column; gap: 14px; margin-top: 25px; }
  .karkas-hero__facts { grid-template-columns: 1fr; gap: 10px; padding-top: 16px; }
  .karkas-hero__facts li { display: grid; grid-template-columns: 150px 1fr; gap: 12px; align-items: baseline; }
  .karkas-hero__facts b { font-size: 15px; }
  .karkas-hero__facts span { margin: 0; font-size: 7px; }
  .karkas-visual-note { right: 10px; bottom: 8px; }
  .karkas-anchor-nav .shell { padding: 0 16px; gap: 23px; }
  .karkas-scenarios { padding-top: 68px; }
  .karkas-scenario-grid a { min-height: 175px; padding: 26px; }
  .karkas-scenario-grid b { margin-top: 25px; }
  .karkas-intro,
  .karkas-projects,
  .karkas-objections,
  .karkas-process,
  .karkas-faq { padding: 82px 0; }
  .karkas-benefits,
  .karkas-fit,
  .karkas-technology,
  .karkas-options,
  .karkas-calc { padding: 75px 0; }
  .karkas-intro__copy { font-size: 16px; }
  .karkas-benefit-grid { grid-template-columns: 1fr; }
  .karkas-benefit-grid article { min-height: 225px; padding: 28px; }
  .karkas-section-head { align-items: flex-start; flex-direction: column; gap: 24px; margin-bottom: 38px; }
  .karkas-project-grid { gap: 62px; }
  .karkas-project-card__tabs { top: 10px; left: 10px; }
  .karkas-project-card__tabs button { min-height: 34px; padding: 0 11px; }
  .karkas-project-card__plan { padding: 8px; }
  .karkas-project-card__heading { align-items: flex-start; flex-direction: column; gap: 4px; }
  .karkas-project-card__heading > b { font-size: 20px; }
  .karkas-project-card__rooms { grid-template-columns: 1fr; }
  .karkas-selection { padding: 70px 0; }
  .karkas-fit__cards { grid-template-columns: 1fr; }
  .karkas-objection-grid { grid-template-columns: 1fr; }
  .karkas-objection-grid article { min-height: 235px; padding: 28px; }
  .karkas-wall { gap: 35px; }
  .karkas-wall__visual { min-height: 370px; padding: 24px 12px; }
  .karkas-option-grid article { min-height: 390px; padding: 30px; }
  .karkas-process li { grid-template-columns: 44px 1fr; gap: 10px 12px; }
  .karkas-process li p { grid-column: 2; }
  .karkas-quality__image { height: 390px; }
  .karkas-quality__grid > div:last-child { padding: 68px 16px; }
  .karkas-quality li { align-items: flex-start; flex-direction: column; gap: 4px; }
  .karkas-quality li span { text-align: left; }
  .karkas-cost { gap: 35px; padding: 82px 0; }
  .karkas-cost__factors { grid-template-columns: 1fr; }
  .karkas-calc__form form,
  .karkas-form-fallback { padding: 26px; }
  .karkas-faq__list { margin: 0; }
  .karkas-faq summary { font-size: 18px; }
  .karkas-final { padding: 82px 0; }
  .karkas-final > div > div { flex-direction: column; }
  .karkas-mobile-cta {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: 10px;
    z-index: 50;
    min-height: 48px;
    display: grid;
    place-items: center;
    color: #fff;
    background: var(--k-copper);
    box-shadow: 0 12px 35px rgba(0,0,0,.28);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .13em;
    text-transform: uppercase;
  }
}

@media (max-width: 420px) {
  .karkas-hero,
  .karkas-hero__content { min-height: 760px; }
  .karkas-hero h1 { font-size: 43px; }
  .karkas-hero__facts li { grid-template-columns: 132px 1fr; }
  .karkas-project-card__panel { aspect-ratio: 4 / 3; }
  .karkas-project-card h3 { font-size: 29px; }
}

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