:root {
  --ink: #182833;
  --blue: #225b94;
  --soft: #f1f5f7;
  --line: #d3dde2;
  --mute: #4f606b;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 18px; }
body { margin: 0; font: 16px/1.55 "Segoe UI", Arial, sans-serif; color: var(--ink); background: white; }
.wrap { width: min(1192px, calc(100% - 80px)); margin-inline: auto; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .23em; }
a:hover, summary:hover { color: var(--blue); }
:focus-visible { outline: 3px solid #c76d16; outline-offset: 4px; }
.skip { position: absolute; top: -90px; left: 8px; background: white; padding: 12px; z-index: 1; }
.skip:focus { top: 8px; }
.utility { background: var(--soft); color: var(--mute); }
.utility .wrap, .navigation, footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.utility .wrap { min-height: 32px; font-size: 12px; }
.utility i { color: #97aab5; font-style: normal; padding: 0 8px; }
.utility a, .navigation a, footer a { text-decoration: none; }
.navigation { min-height: 78px; }
.brand { font-family: Arial,sans-serif; font-weight: 800; letter-spacing: -.08em; font-size: 36px; line-height: 1; }
.brand span { color: var(--blue); font-weight: 400; letter-spacing: -.065em; margin-left: 3px; }
.navigation nav { display: flex; gap: clamp(12px, 2.2vw, 36px); font-size: 15px; }
.navigation nav a { display: inline-flex; align-items: center; min-height: 44px; }
.phone { font-weight: 650; white-space: nowrap; }
.hero { border-block: 1px solid var(--line); background: #f6f8f9; }
.cover { display: grid; grid-template-columns: 1fr 1.12fr; align-items: center; gap: clamp(28px,5vw,76px); padding-block: clamp(38px,5vw,70px); }
h1,h2,h3,p,figure,dl,dd,ol { margin: 0; }
h1,h2,h3 { text-wrap: balance; }
h1 { font-size: clamp(42px,4.6vw,60px); line-height: 1.04; letter-spacing: -.05em; font-weight: 680; }
h1 span { color: var(--blue); }
.intro p { margin: 23px 0 28px; max-width: 450px; font-size: 19px; line-height: 1.52; }
.button { display: inline-flex; gap: 24px; align-items: center; justify-content: space-between; padding: 13px 20px; min-height: 49px; color: white; background: var(--blue); text-decoration: none; font-weight: 600; border-radius: 3px; }
.button:hover { background: #174776; color: white; }
.button b { font-weight: 400; font-size: 1.2em; }
figure { border: 1px solid #cbd7df; background: #eef3f6; }
figure img { display: block; width: 100%; height: auto; }
figcaption { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; padding: 10px 14px; color: #334d60; font-size: 13px; font-weight: 600; border-top: 1px solid var(--line); }
figcaption span { font: 11px/1.4 Consolas, monospace; font-weight: normal; }
.chapter { padding-block: clamp(42px,5.2vw,76px); }
h2 { font-size: clamp(29px,3vw,41px); line-height: 1.16; letter-spacing: -.044em; font-weight: 620; }
h3 { font-size: 20px; line-height: 1.28; font-weight: 630; letter-spacing: -.023em; }
p, li, dd { color: var(--mute); }
h2 + p, .split p + p { margin-top: 16px; }
.applications, .steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 25px; margin-top: 31px; }
.applications article, .steps li { border-top: 2px solid #84a2b9; padding-top: 18px; }
.applications p, .steps p { margin-top: 9px; }
.tint { background: var(--soft); }
.split { display: grid; grid-template-columns: minmax(0,.87fr) minmax(0,1.13fr); column-gap: clamp(35px,9vw,135px); row-gap: 24px; align-items: start; }
.ruled { border-top: 1px solid var(--line); }
.price { display: inline-block; color: var(--blue); font-weight: 650; }
.order { background: white; border: 1px solid var(--line); padding: clamp(20px,2.6vw,36px); }
.order > label, legend { display: block; font-weight: 650; margin-bottom: 8px; padding: 0; }
select { display: block; padding: 10px 12px; width: 100%; min-height: 46px; font: inherit; border: 1px solid #93a6b3; background: white; border-radius: 2px; color: var(--ink); }
fieldset { margin: 20px 0 24px; padding: 0; border: 0; min-width: 0; }
.options { display: flex; flex-wrap: wrap; gap: 7px; }
.options label { cursor: pointer; position: relative; }
.options input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.options span { display: block; padding: 9px 12px; border: 1px solid var(--line); font-size: 15px; border-radius: 2px; }
.options input:checked + span { background: #eaf1f9; color: #164b7d; box-shadow: inset 0 0 0 1px var(--blue); border-color: var(--blue); }
.options input:focus-visible + span { outline: 3px solid #c76d16; outline-offset: 2px; }
.order small { display: block; margin-top: 10px; color: var(--mute); }
.projects { margin-top: 25px; }
details { border-top: 1px solid var(--line); }
summary { display: flex; list-style: none; justify-content: space-between; align-items: center; gap: 16px; padding: 15px 0; cursor: pointer; font-weight: 600; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; font: 22px/1 Consolas, monospace; color: var(--blue); }
details[open] > summary::after { content: '−'; }
details ul { margin: 0 0 18px; padding-left: 20px; }
.projects ul { columns: 2; column-gap: 48px; }
li { break-inside: avoid; }
.link { display: inline-block; color: var(--blue); font-weight: 600; }
.split p + .link { margin-top: 15px; }
.facts { margin-top: 18px; }
.facts dt, .reviews dt { border-top: 1px solid var(--line); padding-top: 12px; font-weight: 600; }
.facts dd, .reviews dd { margin: 1px 0 12px; }
.steps { grid-template-columns: repeat(3,1fr); padding-left: 0; counter-reset: stage; list-style: none; }
.steps li { counter-increment: stage; }
.steps h3 { color: var(--ink); }
.steps h3::before { content: counter(stage) '. '; color: var(--blue); }
.docs { margin-top: 34px; padding: 24px; display: flex; align-items: center; justify-content: space-between; gap: 24px; background: var(--soft); }
.docs p { margin-top: 6px; max-width: 650px; }
.docs a { flex-shrink: 0; }
.questions p { padding-bottom: 17px; }
.archive { padding-bottom: 46px; }
.archive summary { font-size: 19px; }
.reviews { max-width: 650px; }
.contact { background: #213542; color: white; }
.contact p { color: #d2dee5; }
.contact a { color: white; }
.contact-phone { display: inline-block; margin: 18px 0 4px; font-size: clamp(24px,3vw,34px); line-height: 1.3; letter-spacing: -.025em; font-weight: 650; text-decoration: none; }
.addresses p { margin-top: 6px; }
.addresses h3:not(:first-child) { margin-top: 24px; }
footer { padding-block: 22px; color: var(--mute); font-size: 13px; }
@media (max-width: 900px) {
  .wrap { width: calc(100% - 46px); }
  .applications { grid-template-columns: repeat(2,1fr); }
  .navigation { gap: 12px; }
  .cover { gap: 24px; }
  .intro p { font-size: 17px; }
}
@media (max-width: 700px) {
  .wrap { width: calc(100% - 36px); }
  .utility .wrap { font-size: 11px; }
  .utility .wrap > span:last-child { display: none; }
  .navigation { flex-wrap: wrap; padding-top: 14px; gap: 7px 8px; }
  .brand { font-size: 30px; }
  .phone { font-size: 14px; }
  .navigation nav { order: 3; width: 100%; justify-content: space-between; font-size: 14px; gap: 4px; }
  .cover, .split { grid-template-columns: 1fr; }
  .cover { padding-block: 33px 24px; gap: 26px; }
  h1 { font-size: clamp(38px,8vw,46px); }
  .intro p { margin: 16px 0 20px; }
  figcaption { padding: 8px 10px; font-size: 12px; }
  .steps { grid-template-columns: 1fr; gap: 17px; }
  .docs, footer { align-items: flex-start; flex-direction: column; gap: 12px; }
  .projects ul { columns: 1; }
}
@media (max-width: 470px) {
  .applications { grid-template-columns: 1fr; gap: 17px; }
  .applications article { padding-top: 12px; }
  .options span { font-size: 14px; padding: 9px 8px; }
  .order { padding: 16px; }
}