:root {
  --navy: #0d233e;
  --navy-mid: #1e3a5f;
  --gold: #f5c518;
  --gold-deep: #d4a40a;
  --gold-ink: #8a6800;
  --white: #ffffff;
  --ice: #e8eef5;
  --ink: #0b1f33;
  --display: "Oswald", "Arial Narrow", sans-serif;
  --body: "Source Sans 3", "Segoe UI", sans-serif;
  --header-h: 4.5rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.5;
  background: var(--white);
  padding-bottom: 4.25rem;
}

img { max-width: 100%; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }
:target { scroll-margin-top: calc(var(--header-h) + 1rem); }

.skip {
  position: absolute;
  left: 0.75rem;
  top: -3rem;
  z-index: 40;
  padding: 0.4rem 0.7rem;
  background: var(--gold);
  color: var(--navy);
  font-weight: 700;
}

.skip:focus { top: 0.75rem; }

.top {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--header-h);
  background: var(--white);
  border-bottom: 3px solid var(--gold);
  box-shadow: 0 2px 14px rgb(13 35 62 / 0.1);
}

.top__inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0 1.35rem;
}

.wordmark {
  order: 1;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.55rem;
  letter-spacing: 0.08em;
  color: var(--navy);
  text-decoration: none;
  line-height: 1;
}

.nav-toggle {
  order: 5;
  display: inline-flex;
  align-items: center;
  height: 2.4rem;
  padding: 0 0.8rem;
  border: 1px solid color-mix(in srgb, var(--navy) 22%, var(--white));
  background: var(--white);
  color: var(--navy);
  font: inherit;
  font-weight: 650;
  cursor: pointer;
}

.nav { order: 3; display: none; align-items: center; gap: 1.35rem; }
.nav a { color: var(--navy); text-decoration: none; font-weight: 650; font-size: 0.95rem; }
.nav a:hover { color: var(--gold-ink); }

.top.is-open .nav {
  display: flex;
  position: absolute;
  top: var(--header-h);
  left: 0;
  right: 0;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  padding: 0.5rem 1.25rem 1rem;
  background: var(--white);
  box-shadow: 0 12px 24px rgb(13 35 62 / 0.12);
}

.top.is-open .nav a { padding: 0.7rem 0; border-bottom: 1px solid var(--ice); }
.top__end { display: contents; }

.lang {
  order: 4;
  display: flex;
  margin-left: auto;
  border: 1px solid color-mix(in srgb, var(--navy) 18%, var(--white));
}

.lang__btn {
  min-width: 2.4rem;
  height: 2.1rem;
  border: 0;
  background: transparent;
  color: var(--navy);
  font: inherit;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  cursor: pointer;
}

.lang__btn.is-on { background: var(--navy); color: var(--white); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 2.85rem;
  padding: 0.65rem 1.35rem;
  border: 2px solid transparent;
  border-radius: 999px;
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
}

.btn svg { width: 1.05rem; height: 1.05rem; fill: currentColor; }
.btn--gold { background: var(--gold); color: var(--navy); border-color: var(--gold); }
.btn--gold:hover { background: var(--gold-deep); border-color: var(--gold-deep); }
.btn--ghost { background: var(--white); color: var(--navy); border-color: var(--white); }
.btn--ghost:hover { background: var(--ice); border-color: var(--ice); }
.btn--navy { background: var(--navy); color: var(--white); border-color: var(--navy); }
.top__call .top__num { font-family: var(--body); font-weight: 700; letter-spacing: 0; text-transform: none; }
a.btn.top__call { display: none; }

.hero {
  position: relative;
  display: grid;
  place-items: center;
  min-height: calc(100svh - var(--header-h) - 12.5rem);
  padding: 3.25rem 1.25rem 8.75rem;
  color: var(--white);
  background:
    linear-gradient(180deg, rgb(13 35 62 / 0.28) 0%, rgb(13 35 62 / 0.55) 48%, rgb(13 35 62 / 0.78) 100%),
    url("assets/hero-heat-node.webp") center 42% / cover no-repeat;
  text-align: center;
}

.hero__copy { max-width: 46rem; min-width: 0; }

.hero h1 {
  margin: 0 0 0.85rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.4rem, 6vw, 4.35rem);
  line-height: 0.95;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  text-shadow: 0 2px 28px rgb(0 0 0 / 0.35);
  text-wrap: balance;
  overflow-wrap: anywhere;
}

.hero__lead {
  margin: 0 auto 1.4rem;
  max-width: 38rem;
  font-size: 1.0625rem;
  line-height: 1.45;
  text-shadow: 0 2px 20px rgb(0 0 0 / 0.45);
}

.hero__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem; }
.hero__where { margin: 1.1rem 0 0; font-weight: 650; letter-spacing: 0.12em; text-transform: uppercase; font-size: 0.82rem; }
.cards-wrap { position: relative; z-index: 2; margin-top: -7.25rem; padding: 0 1.25rem 0.5rem; }
.cards { display: grid; gap: 1.15rem; max-width: 72rem; margin: 0 auto; }

.card {
  min-width: 0;
  padding: 1.7rem 1.4rem 1.35rem;
  background: var(--white);
  border-radius: 10px;
  box-shadow: 0 18px 40px rgb(13 35 62 / 0.16);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover { transform: translateY(-4px); box-shadow: 0 22px 44px rgb(13 35 62 / 0.2); }

.card__icon {
  display: grid;
  place-items: center;
  width: 3.4rem;
  height: 3.4rem;
  margin-bottom: 1rem;
  border-radius: 50%;
  background: var(--gold);
  color: var(--navy);
}

.card__icon svg { width: 1.55rem; height: 1.55rem; }

.card h2 {
  margin: 0 0 0.55rem;
  font-family: var(--display);
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--navy);
  overflow-wrap: anywhere;
}

.card p { margin: 0 0 1rem; color: color-mix(in srgb, var(--navy) 78%, var(--white)); }
.card__more { font-weight: 700; color: var(--gold-ink); text-decoration: none; }
.card__more:hover { text-decoration: underline; }
.service-note { max-width: 72rem; margin: 1.5rem auto 0; font-size: 0.92rem; color: var(--navy); }
.service-note a { font-weight: 700; }
.quote { margin-top: 2.75rem; padding: 2.75rem 1.25rem 3rem; background: var(--navy); color: var(--white); }
.quote__inner { max-width: 72rem; margin: 0 auto; }
.quote__head { display: grid; gap: 0.35rem 2rem; margin-bottom: 1.75rem; }

.quote h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.75rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-wrap: balance;
}

.quote__from { margin: 0; display: flex; align-items: baseline; gap: 0.45rem; font-family: var(--display); white-space: nowrap; }
.quote__from-label, .quote__unit { font-size: 0.95rem; letter-spacing: 0.08em; color: var(--gold); }
.quote__sum { font-size: clamp(2.4rem, 5vw, 3.4rem); font-weight: 700; line-height: 0.9; color: var(--gold); }
.quote__from.is-inked .quote__sum { animation: price-flash 0.45s ease-out; }

@keyframes price-flash {
  0% { transform: scale(1.08); filter: brightness(1.25); }
  100% { transform: scale(1); filter: none; }
}

.quote__note { margin: 0.2rem 0 0; max-width: 75ch; color: color-mix(in srgb, var(--white) 72%, var(--navy)); font-size: 0.92rem; }
.quote__form { display: grid; gap: 1rem; }
.quote__row { display: grid; gap: 0.85rem; }
.quote__contact-hint { margin: 0.75rem 0 0; }
.quote label { display: grid; min-width: 0; gap: 0.35rem; font-weight: 650; font-size: 0.92rem; }

.quote input,
.quote select {
  width: 100%;
  min-width: 0;
  min-height: 2.85rem;
  padding: 0.5rem 0.7rem;
  border: 1px solid color-mix(in srgb, var(--white) 35%, var(--navy));
  border-radius: 8px;
  background: rgb(255 255 255 / 0.06);
  color: var(--white);
  font: inherit;
}

.quote select { cursor: pointer; }
.quote select option { color: var(--ink); background: var(--white); }
.quote input::placeholder { color: color-mix(in srgb, var(--white) 65%, var(--navy)); }
.quote input:focus, .quote select:focus { border-color: var(--gold); outline: 2px solid var(--gold); outline-offset: 2px; }
.rate-line { margin: 0; min-height: 1.2em; color: color-mix(in srgb, var(--white) 70%, var(--navy)); font-size: 0.92rem; }
.form-error { margin: 0; color: var(--gold); font-weight: 700; }
.quote__submit { justify-self: start; min-width: 14rem; max-width: 100%; }
.why, .split, .steps, .about { max-width: 72rem; margin: 0 auto; padding: 3.25rem 1.25rem 0.5rem; }

.why h2,
.split h2,
.steps h2,
.about h2 {
  margin: 0 0 1.1rem;
  font-family: var(--display);
  font-size: clamp(1.75rem, 3vw, 2.15rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--navy);
  text-wrap: balance;
}

.section-lead { max-width: 75ch; margin: 0 0 1.5rem; }
.why__list, .split ul, .steps__list { margin: 0; padding: 0; list-style: none; }
.why__list { display: grid; gap: 0.75rem; }
.why__list li, .split li { position: relative; padding-left: 1.6rem; }

.why__list li::before,
.split li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 0.7rem;
  height: 0.7rem;
  background: var(--gold);
  clip-path: polygon(0 45%, 38% 75%, 100% 10%, 92% 0, 36% 58%, 10% 35%);
}

.split__grid { display: grid; gap: 1.75rem; }
.split h3 { margin: 0 0 0.7rem; font-family: var(--display); font-size: 1.35rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--navy); }
.split li + li, .why__list li + li { margin-top: 0.35rem; }
.steps__list { display: grid; gap: 1rem; counter-reset: step; }
.steps__list li { counter-increment: step; padding: 1.25rem 1.15rem 1.2rem; background: var(--ice); }
.steps__list li::before { content: counter(step); display: block; margin-bottom: 0.45rem; font-family: var(--display); font-size: 1.5rem; font-weight: 700; color: var(--gold-ink); }
.steps__list strong { display: block; margin-bottom: 0.35rem; font-family: var(--display); letter-spacing: 0.05em; text-transform: uppercase; color: var(--navy); }
.about { padding-bottom: 2rem; }
.about p { max-width: 42rem; }
.about__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 1rem; }
.text-mail { font-weight: 700; color: var(--navy); }
.colophon { margin-top: 2rem; padding: 1.75rem 1.25rem 2.5rem; background: var(--navy); color: color-mix(in srgb, var(--white) 82%, var(--navy)); font-size: 0.92rem; }
.colophon p { max-width: 72rem; margin: 0 auto; }
.colophon span, .colophon a { display: inline-block; margin-right: 0.9rem; }
.colophon a { color: var(--gold); }
.colophon__note { margin-top: 0.7rem !important; }

.sticky-call {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  min-height: 3.5rem;
  background: var(--gold);
  color: var(--navy);
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  box-shadow: 0 -6px 18px rgb(13 35 62 / 0.18);
}

.sticky-call span:last-child { font-family: var(--body); text-transform: none; letter-spacing: 0; }

@media (min-width: 800px) {
  .cards { grid-template-columns: repeat(3, 1fr); gap: 1.35rem; }
  .quote__row { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .why__list { grid-template-columns: 1fr 1fr; gap: 0.9rem 1.5rem; }
  .split__grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
  .steps__list { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
}

@media (min-width: 880px) {
  body { padding-bottom: 0; }
  .nav-toggle { display: none; }
  .nav { display: flex; margin-left: 2rem; }
  a.btn.top__call { display: inline-flex; order: 2; }
  .quote__head { grid-template-columns: 1fr auto; align-items: end; }
  .quote__note { grid-column: 1 / -1; }
  .sticky-call { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card { transition: none; }
  .quote__from.is-inked .quote__sum { animation: none; }
}