:root {
  --bg: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --card: #f8fafc;
  --primary: #0ea5e9;
  --accent: #22c55e;
  --border: #e2e8f0;
  --hero-overlay: rgba(255,255,255,0.65);
  --space-1: clamp(6px, 1.2vw, 10px);
  --space-2: clamp(10px, 1.8vw, 14px);
  --space-3: clamp(16px, 2.6vw, 20px);
  --radius: 16px;
}
:root[data-theme="dark"] {
  --bg: #0b1020;
  --text: #e5e7eb;
  --muted: #9aa4b2;
  --card: #0f172a;
  --primary: #38bdf8;
  --accent: #86efac;
  --border: #1f2937;
  --hero-overlay: rgba(0,0,0,0.55);
}
:root[data-season="winter"] { --season1:#60a5fa; --season2:#7dd3fc; }
:root[data-season="spring"] { --season1:#86efac; --season2:#bef264; }
:root[data-season="summer"] { --season1:#34d399; --season2:#fbbf24; }
:root[data-season="autumn"] { --season1:#fb923c; --season2:#f59e0b; }

* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; -webkit-text-size-adjust: 100%; text-size-adjust: 100%;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }
a{ color: var(--primary); text-decoration: none; }
a:hover{ text-decoration: underline; }

.container { width: min(1100px, 92%); margin: 0 auto;
  padding-left: max(4vw, env(safe-area-inset-left,16px)); padding-right: max(4vw, env(safe-area-inset-right,16px)); }
header { position: sticky; top: 0; z-index: 50; background: linear-gradient( to bottom, rgba(var(--bg-rgb,255,255,255),0.95), rgba(var(--bg-rgb,255,255,255),0.85)); backdrop-filter: blur(6px); border-bottom: 1px solid var(--border);
  padding-left: env(safe-area-inset-left,0); padding-right: env(safe-area-inset-right,0); }
.nav { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; }
.brand-logo { display:flex; align-items:center; gap:10px; }
.brand-logo img { height: 36px; }
.brand small { display:block; font-weight:500; color: var(--muted); }

.menu { display:flex; gap: 16px; flex-wrap: wrap; }
.menu a{ padding:8px 10px; border-radius: 10px; }
.menu a:hover{ background: var(--card); text-decoration:none; }

.toolbar { display:flex; align-items:center; gap: 8px; }
.select, .btn { border:1px solid var(--border); background: var(--card); color: var(--text); padding: 8px 10px; border-radius: 10px; cursor: pointer; font: inherit; }
.btn.primary { background: var(--primary); color: white; border-color: transparent; }

.hero { position: relative; overflow: clip; border-bottom: 1px solid var(--border); background: radial-gradient(1200px 400px at 20% -10%, var(--season2), transparent 60%), radial-gradient(800px 300px at 100% 10%, var(--season1), transparent 50%); }
.hero-inner{ display:grid; grid-template-columns: 1.2fr 1fr; gap: 24px; align-items: center; padding: 32px 0 20px; }
.hero h1{ font-size: clamp(24px, 5vw, 48px); line-height:1.1; margin: 0 0 12px; letter-spacing:-0.01em; }
.hero p{ margin: 0 0 16px; color: var(--muted); }
.hero .cta{ display:flex; gap: 12px; flex-wrap: wrap; }
.hero-visual{ position: relative; border-radius: 18px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.15); }
.hero-visual img{ width:100%; height:100%; object-fit: cover; display:block; }
.hero-visual::after{ content:""; position:absolute; inset:0; background: var(--hero-overlay); }

section { padding: 56px 0; }
h2 { font-size: clamp(20px, 3.5vw, 34px); margin: 0 0 18px; line-height:1.2; }
h3 { font-size: clamp(16px, 2.8vw, 20px); margin: 4px 0 0; }
p, li { font-size: clamp(14px, 2.4vw, 16px); }

.grid { display:grid; gap: 18px; }
.about { grid-template-columns: 1.1fr 1fr; align-items: center; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 18px; }

.team { grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); }
.person { display:grid; gap: 10px; }
.person img { width: 100%; height: 220px; object-fit: cover; border-radius: 14px; }
.person p { margin: 0; color: var(--muted); font-size: 14px; }

.works { grid-template-columns: repeat(auto-fit,minmax(280px,1fr)); }
.work { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 12px; }
.ba { position: relative; height: 200px; border-radius: 12px; overflow: hidden; }
.ba img { position:absolute; inset:0; width:100%; height:100%; object-fit: cover; }
.ba .after { clip-path: inset(0 0 0 var(--cut,50%)); transition: clip-path .2s ease; }
.ba input[type=range]{ position:absolute; inset:auto 0 0 0; width:100%; }
.ba input[type=range]::-webkit-slider-thumb { width: 24px; height: 24px; border-radius: 50%; background: var(--primary); }
.ba input[type=range]::-moz-range-thumb { width: 24px; height: 24px; border-radius: 50%; background: var(--primary); border: none; }

.contacts { display:grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.map { border:none; width:100%; aspect-ratio: 4/3; border-radius: 14px; overflow: hidden; }
@supports not (aspect-ratio: 4/3) { .map { height: 300px; } }

form { display:grid; gap: 10px; }
label { font-weight: 600; font-size: 14px; }
input, textarea, select { padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border); background: var(--bg); color: var(--text); font: inherit; min-height:44px; }
textarea{ min-height: 120px; resize: vertical; }
.form-row { display:grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.note { color: var(--muted); font-size: 14px; }

footer { border-top: 1px solid var(--border); padding: 24px 0 40px; color: var(--muted); }
.footer-grid { display:grid; grid-template-columns: 1fr auto; gap: 12px; align-items:center; }

.pill { display: inline-flex; align-items:center; gap: 6px; padding: 6px 10px; border-radius: 999px; border: 1px solid var(--border); background: var(--card); font-size: 12px; }
.kpi { display:grid; grid-template-columns: repeat(3,1fr); gap: 10px; }
.kpi .card { text-align: center; }

.menu-mobile { display: grid; gap: 8px; padding: 12px 16px 16px; background: var(--bg); border-bottom: 1px solid var(--border); }
.menu-mobile a { padding: 10px 6px; border-radius: 10px; }

@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

@media (max-width: 920px){
  .hero-inner{ grid-template-columns: 1fr; }
  .about, .contacts{ grid-template-columns: 1fr; }
}
@media (min-width: 920px){
  #menuToggle { display: none; }
  .menu-mobile { display: none; }
}