:root {
  --surface: #edece9;
  --surface-elevated: #ffffff;
  --ink: #1a1a18;
  --ink-muted: #5c5a57;
  --line: #d4d0ca;
  --accent: #c4a035;
  --accent-soft: #e8ddb8;
  --success: #2d6a4f;
  --radius: 12px;
  --shadow: 0 18px 50px rgba(26, 26, 24, 0.08);
  --font: "Onest", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 400 17px/1.55 var(--font);
  color: var(--ink);
  background: var(--surface);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1200px, calc(100% - 2rem)); margin-inline: auto; }
.narrow { width: min(760px, calc(100% - 2rem)); margin-inline: auto; }
.muted { color: var(--ink-muted); }
.lead { font-size: 1.125rem; max-width: 52ch; }

.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(237, 236, 233, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; gap: 1rem;
  min-height: 72px;
}
.logo { display: flex; flex-direction: column; gap: 0.1rem; }
.logo-mark { font-weight: 700; letter-spacing: 0.08em; }
.logo-sub { font-size: 0.72rem; color: var(--ink-muted); text-transform: uppercase; letter-spacing: 0.06em; }
.nav { display: flex; gap: 1.1rem; margin-left: auto; }
.nav a:hover { color: var(--accent); }
.header-phone { font-weight: 600; white-space: nowrap; }
.nav-toggle {
  display: none; width: 42px; height: 42px; border: 1px solid var(--line);
  border-radius: 999px; background: var(--surface-elevated); margin-left: auto;
}
.nav-toggle span {
  display: block; width: 18px; height: 2px; background: var(--ink); margin: 5px auto;
}
.mobile-nav {
  display: grid; gap: 0.75rem; padding: 1rem 1rem 1.25rem;
  border-top: 1px solid var(--line); background: var(--surface-elevated);
}
.mobile-nav[hidden] { display: none; }

.hero { padding: 3.5rem 0 2rem; }
.hero-grid {
  display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 2rem; align-items: start;
}
.hero-copy h1 { font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.08; margin: 0.4rem 0 1rem; max-width: 14ch; }
.eyebrow {
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--ink-muted);
}
.hero-prices { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 1.5rem 0; }
.price-chip {
  background: var(--surface-elevated); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 0.75rem 1rem; min-width: 140px;
}
.price-chip-label { display: block; font-size: 0.75rem; color: var(--ink-muted); text-transform: uppercase; letter-spacing: 0.08em; }
.price-chip-value { font: 600 1.1rem/1.2 var(--mono); color: var(--accent); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.hero-card {
  background: var(--surface-elevated); border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px); padding: 1.25rem; box-shadow: var(--shadow);
}
.hero-card-title { font-weight: 600; margin-bottom: 0.75rem; }
.check-list { margin: 0; padding-left: 1.1rem; color: var(--ink-muted); }
.check-list li + li { margin-top: 0.45rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 1.25rem; border-radius: 999px;
  border: 1px solid transparent; font-weight: 600; cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--ink); color: var(--surface); }
.btn-primary:hover { background: #000; }
.btn-ghost { background: transparent; border-color: var(--line); }
.text-link { color: var(--accent); font-weight: 600; }

.section { padding: 3rem 0; }
.section-muted { background: rgba(255,255,255,0.45); border-block: 1px solid var(--line); }
.section-head { margin-bottom: 1.5rem; }
.section-head h2 { margin: 0 0 0.5rem; font-size: 2rem; }
.cards-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
}
.card {
  background: var(--surface-elevated); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.25rem; min-height: 120px;
  display: flex; flex-direction: column; justify-content: space-between;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}
.card:hover { border-color: var(--accent); box-shadow: var(--shadow); }
.card span { font-weight: 600; font-size: 1.1rem; }
.card small { color: var(--ink-muted); }

.split { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 2rem; align-items: center; }
.stat-stack { display: grid; gap: 1rem; }
.stat-stack div {
  background: var(--surface-elevated); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1rem 1.25rem;
}
.stat-stack strong { display: block; font: 600 1.5rem var(--mono); color: var(--accent); }
.stat-stack span { color: var(--ink-muted); font-size: 0.92rem; }

.page-hero { padding: 3rem 0 1rem; }
.page-hero h1 { margin: 0.3rem 0 0.75rem; font-size: clamp(1.8rem, 3vw, 2.6rem); }

.constructor {
  padding: 1rem 0 3rem;
}
.constructor-grid {
  width: min(1200px, calc(100% - 2rem));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr 0.9fr 1fr;
  gap: 1rem;
}
.constructor-plan,
.constructor-controls,
.constructor-quote {
  background: var(--surface-elevated);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 2px);
  padding: 1rem;
  box-shadow: var(--shadow);
}
.constructor-plan-head,
.quote-head {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 1rem; margin-bottom: 0.75rem;
}
.plan-meta { font: 500 0.82rem var(--mono); color: var(--ink-muted); display: flex; gap: 0.75rem; }
.plan-canvas-wrap { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.room-rect { fill: rgba(196, 160, 53, 0.12); stroke: var(--accent); stroke-width: 2; }
.dim-label { fill: var(--ink-muted); font: 500 11px var(--mono); }

.field-row {
  display: grid; grid-template-columns: 1fr 1fr auto; gap: 0.5rem 0.75rem;
  align-items: center; margin-bottom: 0.75rem;
}
.field-row label { font-size: 0.92rem; color: var(--ink-muted); }
.field-row output { font: 500 0.9rem var(--mono); min-width: 2.5rem; text-align: right; }
.field-row input[type="range"] { width: 100%; accent-color: var(--accent); }
.field-select { grid-template-columns: 1fr; }
.field-select select {
  width: 100%; min-height: 42px; border: 1px solid var(--line);
  border-radius: 10px; padding: 0 0.75rem; background: var(--surface);
  font: inherit;
}

.quote-total { text-align: right; }
.quote-total-label { display: block; font-size: 0.75rem; color: var(--ink-muted); text-transform: uppercase; letter-spacing: 0.08em; }
.quote-total-value { font: 700 1.6rem var(--mono); color: var(--accent); }
.quote-lines { list-style: none; margin: 0 0 1rem; padding: 0; }
.quote-lines li {
  display: grid; grid-template-columns: 1fr auto; gap: 0.5rem;
  padding: 0.45rem 0; border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
}
.quote-lines li span:last-child { font-family: var(--mono); white-space: nowrap; }
.quote-note { font-size: 0.85rem; margin: 0 0 1rem; }

.lead-form { display: grid; gap: 0.65rem; }
.lead-form input,
.lead-form textarea {
  width: 100%; min-height: 46px; border: 1px solid var(--line);
  border-radius: 10px; padding: 0.65rem 0.85rem; font: inherit; background: var(--surface);
}
.lead-form.standalone { max-width: 420px; }

.price-table { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface-elevated); }
.price-row {
  display: grid; grid-template-columns: 1fr auto; gap: 1rem;
  padding: 1rem 1.1rem; border-bottom: 1px solid var(--line);
}
.price-row.head { background: rgba(0,0,0,0.03); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-muted); }
.price-row.accent { background: rgba(196, 160, 53, 0.08); }
.price-row strong { font-family: var(--mono); }

.prose p { margin-top: 0; }
.prose ul { padding-left: 1.2rem; }
.legacy-links { display: flex; flex-wrap: wrap; gap: 0.75rem 1rem; margin-top: 1.5rem; }
.legacy-links a { color: var(--accent); font-weight: 600; }
.contact-card {
  background: var(--surface-elevated); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.25rem;
}
.contact-line { display: block; font-weight: 600; margin-bottom: 0.5rem; }

.site-footer {
  margin-top: 3rem; padding: 2.5rem 0 1.5rem;
  border-top: 1px solid var(--line); background: rgba(255,255,255,0.35);
}
.footer-grid {
  display: grid; grid-template-columns: 1.2fr repeat(3, 1fr); gap: 1.5rem;
}
.footer-title { font-weight: 600; margin-bottom: 0.6rem; }
.site-footer a { display: block; color: var(--ink-muted); margin-bottom: 0.35rem; }
.site-footer a:hover { color: var(--accent); }
.footer-bottom { margin-top: 1.5rem; font-size: 0.88rem; }

@media (max-width: 980px) {
  .hero-grid, .split, .constructor-grid, .cards-grid, .footer-grid { grid-template-columns: 1fr; }
  .nav, .header-phone { display: none; }
  .nav-toggle { display: block; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}