:root {
  --bg: #ffffff;
  --bg-band: #f4f5f6;
  --fg: #111111;
  --fg-muted: #5a5f66;
  --line: #e2e4e7;
  --card: #ffffff;
  --btn-solid-fg: #ffffff;
  --radius: 10px;
  --wrap: 1080px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111315;
    --bg-band: #181b1e;
    --fg: #f2f3f4;
    --fg-muted: #a3a9b0;
    --line: #2a2e33;
    --card: #1d2024;
    --btn-solid-fg: #111315;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; background: var(--bg); color: var(--fg); line-height: 1.6; font-size: 17px; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img { max-width: 100%; display: block; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.top-row { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.mark { width: 34px; height: 34px; fill: none; stroke: currentColor; stroke-width: 10; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 16px; }
.brand-text small { font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--fg-muted); }
.nav { display: flex; align-items: center; gap: 6px; font-size: 15px; }
.nav a { text-decoration: none; color: var(--fg-muted); padding: 6px 14px; border: 1px solid transparent; border-radius: 999px; white-space: nowrap; }
.nav a:hover { color: var(--fg); }

section { padding: 88px 0; }
.band { background: var(--bg-band); }
h1, h2, h3 { line-height: 1.2; margin: 0; }
h1 { font-size: clamp(34px, 5vw, 52px); letter-spacing: -0.02em; margin: 10px 0 20px; }
h2 { font-size: 30px; letter-spacing: -0.01em; margin-bottom: 36px; }
h3 { font-size: 18px; margin-bottom: 8px; }
p { margin: 0 0 14px; }
.lead { font-size: 19px; color: var(--fg-muted); max-width: 640px; }
.muted { color: var(--fg-muted); }
.eyebrow { font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: var(--fg-muted); margin: 0; }

.hero { padding: 72px 0 88px; }
.hero-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; align-items: center; }
.portrait { margin: 0; }
.portrait img { border-radius: var(--radius); filter: grayscale(1); aspect-ratio: 4 / 5; object-fit: cover; object-position: top; width: 100%; height: auto; }

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 0; }
.btn { display: inline-block; padding: 12px 22px; border-radius: 999px; border: 1px solid var(--fg); text-decoration: none; font-weight: 600; font-size: 15px; }
.btn-solid { background: var(--fg); color: var(--btn-solid-fg); }
.btn:hover { opacity: .85; }

.facts { list-style: none; padding: 0; margin: 44px 0 0; display: flex; flex-wrap: wrap; gap: 20px 32px; border-top: 1px solid var(--line); padding-top: 24px; }
.facts li { display: flex; flex-direction: column; }
.facts strong { font-size: 18px; }
.facts span { font-size: 14px; color: var(--fg-muted); }

.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.card p { color: var(--fg-muted); margin: 0; }

.section-lead { margin: -20px 0 36px; }
.offers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.offer { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; }
.offer-main { border-color: var(--fg); box-shadow: 0 0 0 1px var(--fg); }
.offer > p { color: var(--fg-muted); }
.step { font-size: 13px; letter-spacing: .14em; margin: 0 0 10px; }
.offer .price { color: var(--fg); font-size: 22px; font-weight: 700; margin: 4px 0 14px; }
.price span { white-space: nowrap; font-size: 14px; font-weight: 400; color: var(--fg-muted); }
.ticks { list-style: none; padding: 0; margin: auto 0 0; font-size: 15px; }
.ticks li { padding: 7px 0 7px 22px; border-top: 1px solid var(--line); position: relative; }
.ticks li::before { content: ""; position: absolute; left: 2px; top: 14px; width: 9px; height: 5px; border-left: 2px solid var(--fg); border-bottom: 2px solid var(--fg); transform: rotate(-45deg); }
.note { font-size: 14px; color: var(--fg-muted); margin-top: 20px; }

.cases { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.case { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; }
.case p { color: var(--fg-muted); }
.case p:nth-last-child(2) { margin-bottom: 20px; }
.case p strong { color: var(--fg); }
.case-tag { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--fg-muted); margin: 0 0 8px; }
.case h3 { font-size: 20px; margin-bottom: 14px; min-height: 2.4em; }
.case-stack { font-size: 14px; margin: auto 0 0; padding-top: 12px; border-top: 1px solid var(--line); }
.nav a[aria-current="page"] { color: var(--fg); border-color: var(--fg); }
.soon { max-width: 560px; margin-top: 40px; }

.page-head { padding: 72px 0 48px; }
.page-head h1 { max-width: 760px; }
.tight { padding: 56px 0 72px; }
.section-title { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 36px; }
.section-title h2 { margin: 0; }
.more { font-size: 15px; color: var(--fg-muted); white-space: nowrap; }
.more::after { content: " \2192"; }
a.offer, a.tile { text-decoration: none; transition: border-color .15s; }
a.offer:hover, a.tile:hover { border-color: var(--fg); }
.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tile { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; background: var(--card); }
.tile h3 { margin: 0; font-size: 17px; }
.cta-band { background: var(--fg); color: var(--bg); padding: 64px 0; }
.cta-band .lead { color: color-mix(in srgb, var(--bg) 75%, var(--fg)); margin: 0; }
.cta-band h2 { margin-bottom: 12px; }
.cta-band .btn-solid { background: var(--bg); color: var(--fg); border-color: var(--bg); }
.cta-row { display: flex; align-items: center; justify-content: space-between; gap: 32px; }

.hero-art { margin: 0; position: relative; aspect-ratio: 1; display: grid; place-items: center; }
.hero-mark { width: 62%; height: auto; fill: none; stroke: var(--fg); stroke-width: 10; stroke-linecap: round; stroke-linejoin: round; overflow: visible; }

.tags { list-style: none; padding: 0; margin: 12px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tags li { border: 1px solid var(--line); border-radius: 999px; padding: 5px 13px; font-size: 14px; color: var(--fg-muted); }

.about { display: grid; grid-template-columns: 1fr 2fr; gap: 48px; align-items: start; }
.about .tags { margin-top: 20px; }

.contact { text-align: left; }

.foot { border-top: 1px solid var(--line); padding: 28px 0; font-size: 14px; color: var(--fg-muted); }
.foot-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; }

@media (max-width: 820px) {
  .hero-grid, .about { grid-template-columns: 1fr; }
  .portrait { max-width: 320px; }
  .hero-art { display: none; }
  .cards, .offers, .cases, .tiles { grid-template-columns: 1fr; }
  .cta-row { flex-direction: column; align-items: flex-start; }
  .top-row { flex-wrap: wrap; height: auto; padding-top: 12px; padding-bottom: 10px; row-gap: 8px; }
  .nav { width: 100%; gap: 2px; overflow-x: auto; margin-left: -14px; }
  section { padding: 64px 0; }
}

@media (max-width: 520px) {
  .wrap { padding: 0 16px; }
  .brand-text small { display: none; }
  .nav { margin-left: -7px; }
  .nav a { padding: 5px 7px; font-size: 14px; }
  body { font-size: 16px; }
}

.contact-form { max-width: 720px; margin-top: 28px; display: grid; gap: 16px; }
.contact-form label { display: grid; gap: 6px; font-size: 14px; font-weight: 600; }
.contact-form .opt { font-weight: 400; color: var(--fg-muted); }
.contact-form input, .contact-form select, .contact-form textarea { font: inherit; font-size: 16px; font-weight: 400; color: var(--fg); background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; width: 100%; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline: 2px solid var(--fg); outline-offset: 1px; border-color: transparent; }
.contact-form textarea { resize: vertical; }
.contact-form .actions { margin-top: 4px; }
.contact-form button { cursor: pointer; font: inherit; font-weight: 600; font-size: 15px; }
.contact-form button:disabled { opacity: .6; cursor: default; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.hp { display: none; }
.form-status { margin: 0; font-size: 15px; min-height: 1.5em; color: var(--fg-muted); }
.form-status.ok { color: #1a7f37; }
.form-status.err { color: #c62828; }
@media (max-width: 520px) { .field-row { grid-template-columns: 1fr; } }

.case-diagram { margin: 4px 0 18px; padding: 14px 12px; background: var(--bg-band); border-radius: 8px; color: var(--fg-muted); }
.case-diagram svg { display: block; width: 100%; height: auto; }
.dg-links path { fill: none; stroke: currentColor; stroke-width: 1.2; }
.dg-head { fill: currentColor; }
.dg-box rect, rect.dg-box { fill: var(--card); stroke: var(--line); stroke-width: 1.2; }
rect.dg-main { stroke: var(--fg); }
.dg-text text { font-size: 12px; fill: var(--fg); text-anchor: middle; font-family: inherit; }
.dg-text .dg-strong { font-weight: 700; font-size: 13px; }
.dg-text .dg-sub { fill: var(--fg-muted); font-size: 11px; }