:root {
  --kz-ink: #102b2b;
  --kz-ink-soft: #315153;
  --kz-paper: #f6f2e8;
  --kz-paper-deep: #e9e1cf;
  --kz-river: #0f7975;
  --kz-river-dark: #0a5653;
  --kz-coral: #df5248;
  --kz-lime: #d9ee9f;
  --kz-line: rgba(16, 43, 43, .17);
}

.kz-shell {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.kz-hero,
.kz-signature,
.kz-logic,
.kz-context {
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
}

.kz-hero {
  position: relative;
  overflow: hidden;
  padding: 128px 0 76px;
  color: var(--kz-ink);
  background: var(--kz-paper);
  border-bottom: 1px solid var(--kz-line);
}

.kz-hero__wash {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(100deg, transparent 0 57%, rgba(15, 121, 117, .09) 57% 100%),
    radial-gradient(circle at 13% 17%, rgba(223, 82, 72, .12), transparent 22%);
}

.kz-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(520px, 1.12fr);
  gap: clamp(32px, 5vw, 74px);
  align-items: center;
}

.kz-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 36px;
  color: #536a6c;
  font-size: 12px;
  font-weight: 700;
}

.kz-breadcrumbs a { color: inherit; text-decoration: none; }
.kz-breadcrumbs a:hover { color: var(--kz-coral); }

.kz-eyebrow {
  margin: 0 0 17px;
  color: var(--kz-river-dark);
  font-size: 12px;
  line-height: 1.4;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.kz-hero h1 {
  max-width: 680px;
  margin: 0;
  color: var(--kz-ink);
  font-size: clamp(40px, 4.15vw, 54px);
  line-height: 1.03;
  letter-spacing: -.045em;
  font-weight: 800;
}

.kz-hero__lead {
  max-width: 650px;
  margin: 24px 0 0;
  color: var(--kz-ink-soft);
  font-size: 17px;
  line-height: 1.72;
}

.kz-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.kz-button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 20px;
  border: 1px solid var(--kz-ink);
  border-radius: 7px;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}

.kz-button:hover { transform: translateY(-2px); }
.kz-button--primary { color: #fff; background: var(--kz-ink); }
.kz-button--primary:hover { background: var(--kz-coral); border-color: var(--kz-coral); }
.kz-button--ghost { color: var(--kz-ink); background: rgba(255, 255, 255, .42); }

.kz-truth {
  display: flex;
  gap: 10px;
  max-width: 610px;
  margin: 22px 0 0;
  color: #647678;
  font-size: 11px;
  line-height: 1.55;
}

.kz-truth span { color: var(--kz-coral); }

.kz-hero__visual { margin: 0; }
.kz-hero__visual img,
.kz-signature__visual img { display: block; width: 100%; height: auto; }
.kz-hero__visual figcaption {
  margin-top: 10px;
  color: #5c7374;
  font-size: 11px;
  font-weight: 700;
  text-align: right;
}

.kz-signature {
  padding: 96px 0;
  color: #fff;
  background: var(--kz-ink);
}

.kz-signature__grid {
  display: grid;
  grid-template-columns: minmax(330px, .78fr) minmax(0, 1.22fr);
  gap: clamp(46px, 7vw, 100px);
  align-items: center;
}

.kz-signature .kz-eyebrow { color: var(--kz-lime); }
.kz-signature h2,
.kz-logic h2,
.kz-context h2 {
  margin: 0;
  font-size: clamp(30px, 3.25vw, 46px);
  line-height: 1.08;
  letter-spacing: -.035em;
  font-weight: 800;
}

.kz-signature__copy > p:not(.kz-eyebrow) {
  margin: 22px 0 0;
  color: #c8d6d4;
  font-size: 16px;
  line-height: 1.72;
}

.kz-scope { margin: 34px 0 0; }
.kz-scope > div {
  display: grid;
  grid-template-columns: 138px 1fr;
  gap: 18px;
  padding: 17px 0;
  border-top: 1px solid rgba(255, 255, 255, .16);
}
.kz-scope dt { color: var(--kz-lime); font-size: 11px; line-height: 1.45; font-weight: 800; text-transform: uppercase; letter-spacing: .07em; }
.kz-scope dd { margin: 0; color: #f7faf8; font-size: 13px; line-height: 1.55; }
.kz-signature__visual { margin: 0; }

.kz-logic {
  padding: 100px 0 108px;
  color: var(--kz-ink);
  background: #fff;
}

.kz-logic__heading {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(330px, .6fr);
  column-gap: 80px;
  align-items: end;
  max-width: 1050px;
}
.kz-logic__heading .kz-eyebrow { grid-column: 1 / -1; }
.kz-logic__heading > p:last-child { margin: 0; color: var(--kz-ink-soft); font-size: 15px; line-height: 1.7; }

.kz-logic__rail {
  position: relative;
  display: grid;
  grid-template-columns: .82fr 1.22fr .96fr;
  margin-top: 54px;
  border: 1px solid var(--kz-line);
  border-radius: 18px;
  overflow: hidden;
}
.kz-logic__rail::before {
  content: "";
  position: absolute;
  top: 48px;
  left: 9%;
  right: 9%;
  height: 2px;
  background: linear-gradient(90deg, var(--kz-coral), var(--kz-river));
  opacity: .36;
}
.kz-logic__rail > * { position: relative; padding: 76px 32px 36px; }
.kz-logic__core { color: #fff; background: var(--kz-river-dark); }
.kz-logic__number {
  position: absolute;
  top: 28px;
  left: 32px;
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  background: #fff;
  color: var(--kz-coral);
  font-size: 11px;
  font-weight: 800;
}
.kz-logic__core .kz-logic__number { color: var(--kz-river-dark); }
.kz-logic__rail h3 { margin: 18px 0 12px; font-size: 19px; line-height: 1.25; font-weight: 800; }
.kz-logic__rail p { margin: 0; color: var(--kz-ink-soft); font-size: 14px; line-height: 1.68; }
.kz-logic__core ul { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.kz-logic__core li { padding: 9px 0; border-bottom: 1px solid rgba(255,255,255,.16); color: #eef7f5; font-size: 13px; font-weight: 700; }

.kz-context {
  padding: 80px 0;
  color: var(--kz-ink);
  background: var(--kz-lime);
}
.kz-context__grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 90px; align-items: start; }
.kz-context__proof { padding-left: 30px; border-left: 2px solid rgba(16,43,43,.36); }
.kz-context__proof p { margin: 0; color: #294a4a; font-size: 15px; line-height: 1.75; }
.kz-context__proof a { display: inline-flex; gap: 9px; margin-top: 24px; color: var(--kz-ink); font-size: 13px; font-weight: 800; text-underline-offset: 4px; }

#kalkulator { background: #f8fafc; }
#faq { border-top: 0 !important; }
#faq h2 { font-size: clamp(30px, 4vw, 46px) !important; line-height: 1.1 !important; }

@media (max-width: 1000px) {
  .kz-hero__grid { grid-template-columns: minmax(0, .95fr) minmax(420px, 1.05fr); gap: 28px; }
  .kz-logic__heading { column-gap: 40px; }
  .kz-context__grid { gap: 50px; }
}

@media (max-width: 780px) {
  .kz-shell { width: min(100% - 32px, 640px); }
  .kz-hero { padding: 104px 0 50px; }
  .kz-hero__grid,
  .kz-signature__grid,
  .kz-context__grid { grid-template-columns: 1fr; }
  .kz-breadcrumbs { margin-bottom: 28px; }
  .kz-hero h1 { max-width: 520px; font-size: clamp(36px, 10.4vw, 42px); }
  .kz-hero__lead { font-size: 16px; line-height: 1.66; }
  .kz-hero__visual { margin-top: 8px; }
  .kz-hero__visual figcaption { text-align: left; }
  .kz-signature { padding: 72px 0; }
  .kz-signature__grid { gap: 40px; }
  .kz-signature h2, .kz-logic h2, .kz-context h2 { font-size: clamp(29px, 8.5vw, 38px); }
  .kz-logic { padding: 76px 0; }
  .kz-logic__heading { display: block; }
  .kz-logic__heading > p:last-child { margin-top: 18px; }
  .kz-logic__rail { grid-template-columns: 1fr; margin-top: 38px; }
  .kz-logic__rail::before { top: 8%; bottom: 8%; left: 52px; width: 2px; height: auto; }
  .kz-logic__rail > * { padding: 30px 28px 30px 92px; }
  .kz-logic__number { top: 30px; left: 28px; }
  .kz-logic__rail h3 { margin-top: 0; }
  .kz-context { padding: 66px 0; }
  .kz-context__grid { gap: 32px; }
  .kz-context__proof { padding: 26px 0 0; border-top: 2px solid rgba(16,43,43,.36); border-left: 0; }
}

@media (max-width: 430px) {
  .kz-shell { width: calc(100% - 28px); }
  .kz-hero__actions { display: grid; }
  .kz-button { width: 100%; }
  .kz-scope > div { grid-template-columns: 1fr; gap: 7px; }
  .kz-logic__rail > * { padding-right: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  .kz-button { transition: none; }
}