:root {
  --ink: #0f2a4a;
  --ink-soft: #3b4d66;
  --accent: #d62828;
  --accent-dark: #a81d1d;
  --bg: #fff;
  --band: #f2f5fa;
  --line: #d9e0ec;
  --ok: #1a7f4b;
  --err: #b3261e;
  --radius: 12px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg); line-height: 1.55; font-size: 17px; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; }
h1 { font-size: clamp(1.9rem, 4.5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1em; }
a { color: var(--ink); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 780px; }
.muted { color: var(--ink-soft); }
section { padding: 56px 0; }
.band { background: var(--band); }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 8px; top: 8px; background: #fff; padding: 8px 12px; z-index: 10; }

.site-header { position: sticky; top: 0; background: #fff; border-bottom: 1px solid var(--line); z-index: 5; }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; flex-wrap: wrap; padding-top: 8px; padding-bottom: 8px; }
.brand { display: block; line-height: 0; text-decoration: none; }
.brand svg { height: 46px; width: auto; display: block; }
.site-header nav { display: flex; gap: 6px 18px; align-items: center; flex-wrap: wrap; }
.site-header nav a:not(.btn) { text-decoration: none; font-weight: 500; padding: 6px 0; border-bottom: 2px solid transparent; }
.site-header nav a[aria-current="page"], .site-header nav a:not(.btn):hover { border-bottom-color: var(--accent); }

.btn { display: inline-block; background: var(--accent); color: #fff; font: 700 1rem var(--font); padding: 13px 24px; border-radius: 10px; border: 0; text-decoration: none; cursor: pointer; }
.btn:hover { background: var(--accent-dark); }
.btn:disabled { opacity: .6; cursor: wait; }
.btn-small { padding: 8px 16px; font-size: .95rem; }

.hero { padding: 48px 0 24px; background: linear-gradient(180deg, var(--band), #fff); }
.hero-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: center; }
.hero-photo { width: 100%; max-width: 340px; height: auto; justify-self: center; border-radius: var(--radius); box-shadow: 0 12px 32px rgba(15, 42, 74, .18); }
.lead { font-size: 1.15rem; color: var(--ink-soft); }
.points { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 8px; }
.points li { padding-left: 28px; position: relative; }
.points li::before { content: ""; position: absolute; left: 0; top: .45em; width: 14px; height: 8px; border-left: 3px solid var(--accent); border-bottom: 3px solid var(--accent); transform: rotate(-45deg); }

.calc-section { padding-top: 24px; }
.calc { display: grid; grid-template-columns: 1.5fr 1fr; gap: 28px; align-items: start; }
.calc-controls { display: grid; gap: 18px; }
.field label, .field legend, label { font-weight: 600; display: block; margin-bottom: 6px; }
fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
legend { padding: 0; }
select, input:not([type=radio]), textarea { width: 100%; font: inherit; padding: 12px; border: 1.5px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); }
select:focus, input:focus, textarea:focus { outline: 3px solid rgba(214, 40, 40, .35); border-color: var(--accent); }
.chips { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.chip, .seg label { position: relative; cursor: pointer; margin: 0; font-weight: 500; }
.chip input, .seg input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.chip span { display: flex; flex-direction: column; gap: 2px; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 10px; background: #fff; height: 100%; }
.chip small { color: var(--ink-soft); }
.chip input:checked + span { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(214, 40, 40, .25); }
.seg { display: flex; flex-wrap: wrap; gap: 10px; }
.seg label { flex: 1 1 130px; }
.seg span { display: block; text-align: center; padding: 11px 12px; border: 1.5px solid var(--line); border-radius: 10px; background: #fff; }
.seg input:checked + span { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(214, 40, 40, .25); font-weight: 700; }
.seg input:disabled + span { opacity: .4; }
.chip input:focus-visible + span, .seg input:focus-visible + span { outline: 3px solid rgba(214, 40, 40, .5); }

.calc-result { position: sticky; top: 84px; background: var(--ink); color: #fff; border-radius: var(--radius); padding: 24px; }
.calc-result .muted { color: #c5d0e2; }
.result-note { color: #c5d0e2; margin: 0; font-size: .95rem; }
.total { font-size: clamp(2.2rem, 5vw, 3rem); font-weight: 800; margin: 4px 0 0; line-height: 1.1; }
.each { color: #ffc9c9; font-weight: 600; margin-bottom: 14px; }
.spec { margin: 0 0 14px; display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; font-size: .95rem; }
.spec dt { color: #c5d0e2; }
.spec dd { margin: 0; text-align: right; }
.turn { margin: 0 0 18px; padding-top: 12px; border-top: 1px solid rgba(255, 255, 255, .2); }
.calc-result .btn { display: block; text-align: center; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-bottom: 32px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.card p { margin: 0; color: var(--ink-soft); }

.faq { border-bottom: 1px solid var(--line); padding: 14px 0; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq p { margin: 10px 0 0; color: var(--ink-soft); }

.page-head { padding: 40px 0 8px; background: var(--band); }
.steps { padding-left: 1.2em; }
.steps li { margin-bottom: 18px; }
.steps h3 { margin-bottom: 4px; }
.steps p { margin: 0; color: var(--ink-soft); }
.note { background: var(--band); border-left: 4px solid var(--accent); padding: 12px 16px; border-radius: 6px; }

.order { display: grid; gap: 16px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.selection { background: #fff; border: 1.5px solid var(--accent); border-radius: 10px; padding: 12px 16px; }
.selection p { margin: 4px 0 0; color: var(--ink-soft); font-size: .95rem; }
.hp { position: absolute; left: -9999px; }
.form-status { margin: 0; font-weight: 600; }
.form-status.ok { color: var(--ok); }
.form-status.error { color: var(--err); }


@media (max-width: 800px) {
  body { font-size: 16px; }
  .hero-grid, .calc, .grid2 { grid-template-columns: 1fr; }
  .hero-photo { max-width: 240px; order: -1; }
  .calc-result { position: static; }
  section { padding: 40px 0; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

.usecases { grid-template-columns: repeat(3, 1fr); }
.card.has-photo { padding: 0; overflow: hidden; }
.card.has-photo img { display: block; width: 100%; height: 190px; object-fit: cover; }
.card-body { padding: 20px; }
.card:not(.has-photo) .card-body { padding: 0; }
.credits li { margin-bottom: 8px; }
@media (max-width: 900px) { .usecases { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .usecases { grid-template-columns: 1fr; } }

.btn-large { padding: 16px 32px; font-size: 1.1rem; }
.btn-link { margin-left: 18px; font-weight: 600; }
.cta-row { margin: 24px 0 8px; }
.center { text-align: center; }
.prices { grid-template-columns: repeat(4, 1fr); margin-bottom: 12px; }
.price-card { text-decoration: none; color: inherit; transition: transform .15s, box-shadow .15s; }
.price-card:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(15, 42, 74, .12); }
.price-card h3 { margin-bottom: 2px; }
.price-card p { margin: 0 0 8px; }
.from strong { font-size: 1.7rem; color: var(--accent-dark); }
.why { grid-template-columns: repeat(3, 1fr); }
.how { list-style: none; counter-reset: s; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin: 0 0 28px; }
.how li { counter-increment: s; position: relative; padding-top: 52px; }
.how li::before { content: counter(s); position: absolute; top: 0; left: 0; width: 40px; height: 40px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 800; display: grid; place-items: center; }
.how p { color: var(--ink-soft); margin: 0; }
.final { background: var(--ink); color: #fff; }
.final p { color: #c5d0e2; }
@media (max-width: 900px) { .prices, .how { grid-template-columns: 1fr 1fr; } .why { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .prices, .how, .why { grid-template-columns: 1fr; } .btn-link { display: block; margin: 14px 0 0; } }

.split { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: center; }
.split img { width: 100%; max-height: 520px; object-fit: cover; border-radius: var(--radius); box-shadow: 0 12px 32px rgba(15, 42, 74, .15); }
.final { background-size: cover; background-position: center; padding: 80px 0; }
@media (max-width: 800px) { .split { grid-template-columns: 1fr; gap: 24px; } .split img { max-height: 320px; } }
.split .points { margin-bottom: 24px; }

.icon { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 14px; background: #fdeaea; color: var(--accent-dark); margin-bottom: 14px; }
.why .card { transition: transform .15s, box-shadow .15s; }
.why .card:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(15, 42, 74, .1); }

.topbar { background: var(--accent); color: #fff; font-size: .88rem; }
.topbar .wrap { display: flex; gap: 6px 28px; justify-content: center; flex-wrap: wrap; padding-top: 7px; padding-bottom: 7px; }
.topbar span { display: inline-flex; align-items: center; gap: 7px; }
.topbar .icon { width: auto; height: auto; background: none; color: #fff; margin: 0; }
.topbar .icon svg { width: 16px; height: 16px; }
.icon.sm { width: auto; height: auto; background: none; margin: 0; }
.icon.sm svg { width: 18px; height: 18px; }
.perks { padding: 14px 0; background: #fff; border-bottom: 1px solid var(--line); }
.perks .wrap { display: flex; flex-wrap: wrap; gap: 8px 32px; }
.perks span { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: .95rem; }
.perks .icon, .foot-list .icon { color: var(--accent); }

.iconlist { display: grid; gap: 20px; }
.irow { display: flex; gap: 16px; align-items: flex-start; }
.irow .icon { flex: none; margin: 0; }
.irow h3 { margin: 2px 0 4px; }
.irow p { margin: 0; color: var(--ink-soft); }
.sizecards { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.sizecard { display: flex; gap: 22px; align-items: center; }
.sizecard .shape { flex: none; }
.sizes-note { margin-top: 8px; }
.split .iconlist { align-self: center; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: start; }
.contact-form { background: var(--band); padding: 28px; border-radius: var(--radius); }
.contact-form h2 { margin-bottom: 16px; }
.note a { color: var(--accent-dark); font-weight: 600; }

.site-footer { background: var(--ink); color: #fff; padding: 52px 0 0; }
.foot-grid { display: grid; grid-template-columns: 1.3fr 1fr 1.4fr; gap: 40px; padding-bottom: 36px; }
.foot-logo { display: block; line-height: 0; margin-bottom: 14px; }
.foot-logo svg { height: 54px; width: auto; }
.foot-tag { color: #c5d0e2; margin: 0 0 16px; }
.site-footer h3 { font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; color: #8fa3c2; margin-bottom: 14px; }
.site-footer nav a { display: block; color: #fff; text-decoration: none; padding: 4px 0; }
.site-footer nav a:hover { color: #ffc9c9; text-decoration: underline; }
.foot-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.foot-list li { display: flex; gap: 10px; align-items: flex-start; color: #e3e9f3; }
.foot-list .icon { color: #ff8a8a; flex: none; }
.foot-bottom { display: flex; flex-wrap: wrap; gap: 8px 28px; justify-content: space-between; border-top: 1px solid rgba(255, 255, 255, .15); padding-top: 18px; padding-bottom: 22px; font-size: .9rem; color: #c5d0e2; }
.foot-bottom a { color: #c5d0e2; }
@media (max-width: 800px) { .foot-grid, .contact-grid { grid-template-columns: 1fr; gap: 28px; } .sizecard { flex-direction: row; } }
.foot-mail { display: inline-flex; gap: 8px; align-items: center; color: #fff; font-weight: 600; margin-bottom: 14px; }
.foot-mail .icon { color: #ff8a8a; }