/* Лэндинг «Мойдодыр 2.0» – стиль «Prisma» (кандидат A) с адаптацией под канон РКС. */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:var(--font);
  font-size:18px; line-height:1.55;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
  hyphens:none;
}
h1,h2,h3{line-height:1.15; text-wrap:pretty; orphans:2; widows:2}
p{text-wrap:pretty; orphans:2; widows:2}
a{color:var(--primary); text-decoration:none}
a:hover{text-decoration:underline}
img,svg{max-width:100%}
.wrap{max-width:var(--container); margin:0 auto; padding:0 var(--pad)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
:focus-visible{outline:3px solid var(--primary); outline-offset:2px; border-radius:4px}

/* ---------- Header ---------- */
.site-header{position:sticky; top:0; z-index:40; background:rgba(244,247,251,.92); backdrop-filter:saturate(1.2) blur(8px); border-bottom:1px solid var(--line-soft)}
.header-inner{display:flex; align-items:center; gap:24px; min-height:64px; position:relative}
.logo{display:inline-flex; align-items:center; gap:10px; font-weight:800; letter-spacing:.4px; color:var(--ink); font-size:17px}
.logo:hover{text-decoration:none}
.logo-mark{width:22px; height:26px; color:var(--mint); flex:0 0 auto}
.logo b{color:var(--primary)}
.logo .ver{color:var(--muted); font-weight:600; font-size:13px; letter-spacing:.2px}
.nav{display:flex; align-items:center; gap:24px; margin-left:auto; font-size:15px; font-weight:500; color:var(--muted)}
.nav a{color:inherit}
.nav a:hover{color:var(--primary); text-decoration:none}
.btn{display:inline-flex; align-items:center; justify-content:center; gap:8px; height:44px; padding:0 20px; border-radius:8px; font-weight:600; font-size:15px; line-height:1; border:1px solid transparent; cursor:pointer; white-space:nowrap; transition:background .16s ease, border-color .16s ease, box-shadow .16s ease}
.btn-primary{background:var(--primary); color:#fff}
.btn-primary:hover{background:var(--primary-strong); text-decoration:none}
.btn-ghost{background:var(--surface); color:var(--ink); border-color:var(--line)}
.btn-ghost:hover{border-color:var(--primary); color:var(--primary); text-decoration:none}
.btn svg{width:16px;height:16px;flex:0 0 auto}

.burger{display:none; margin-left:auto; background:var(--surface); border:1px solid var(--line); border-radius:8px; width:44px; height:44px; align-items:center; justify-content:center; cursor:pointer}
.burger span{display:block; width:20px; height:2px; background:var(--ink); position:relative}
.burger span::before,.burger span::after{content:""; position:absolute; left:0; width:20px; height:2px; background:var(--ink)}
.burger span::before{top:-6px}.burger span::after{top:6px}

/* ---------- Hero ---------- */
.hero{padding:64px 0 56px; text-align:center}
.hero h1{font-size:clamp(34px, 5vw, 60px); letter-spacing:-1px; margin:0 auto 20px; max-width:900px}
.hero h1 em{color:var(--mint-deep); font-style:normal}
.hero .lead{font-size:clamp(17px, 1.6vw, 19px); color:var(--muted); max-width:840px; margin:0 auto 30px}
.hero .lead p{margin:0}
.cta-row{display:flex; gap:14px; justify-content:center; flex-wrap:wrap}


/* ---------- Sections ---------- */
section{padding:76px 0}
section.alt{background:var(--surface); border-top:1px solid var(--line-soft); border-bottom:1px solid var(--line-soft)}
.sec-head{max-width:760px; margin:0 0 36px}
.sec-head.center{margin-left:auto; margin-right:auto; text-align:center}
h2{font-size:clamp(26px, 3vw, 36px); margin:0 0 12px; letter-spacing:-.4px}
.sub{color:var(--muted); font-size:18px; margin:0; max-width:65ch}
.grid3{display:grid; grid-template-columns:repeat(3,1fr); gap:22px}
.grid2{display:grid; grid-template-columns:repeat(2,1fr); gap:22px}
.card{background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-card); padding:26px 24px}
.card h3{margin:0 0 8px; font-size:19px}
.card p{margin:0; color:var(--muted); font-size:15px}
.card .ico{width:38px; height:38px; border-radius:9px; background:var(--mint-soft); color:var(--mint-deep); display:flex; align-items:center; justify-content:center; margin-bottom:14px}
.card .ico svg{width:20px; height:20px}
.card .figure{font-size:clamp(30px,3.6vw,44px); font-weight:800; letter-spacing:-1px; color:var(--primary); line-height:1.05; margin-bottom:8px; text-wrap:balance; font-variant-numeric:tabular-nums}
.card .figure.mint{color:var(--mint-deep)}
.card .src{margin:12px 0 0; font-size:12px; color:var(--muted); line-height:1.4; font-style:italic}

.steps{display:grid; grid-template-columns:repeat(3,1fr); gap:22px}
.step{position:relative; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-card); padding:26px 24px}
.num{width:34px; height:34px; border-radius:50%; background:var(--mint-soft); color:var(--mint-deep); font-weight:800; display:flex; align-items:center; justify-content:center; margin-bottom:14px; font-size:15px}
.step b{display:block; font-size:19px; margin-bottom:6px}
.step p{margin:0; color:var(--muted); font-size:16px}

.numbers{display:grid; grid-template-columns:repeat(3,1fr); gap:22px; margin-top:22px}
.numbers .item{background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-card); padding:22px 20px; text-align:center}
.numbers .v{font-size:clamp(30px, 3.4vw, 42px); font-weight:800; letter-spacing:-.5px; color:var(--mint-deep); line-height:1; margin-bottom:6px}
.numbers .l{font-size:15px; color:var(--muted)}

/* ---------- Contact band ---------- */
.contact-band{background:linear-gradient(135deg,#0E2238 0%,#123F7A 55%,#0F5C6B 100%); color:#fff; border-radius:var(--radius-band); padding:44px; display:flex; align-items:center; justify-content:space-between; gap:32px; flex-wrap:wrap; box-shadow:var(--shadow)}
.contact-band h2{color:#fff; margin:0 0 8px; font-size:clamp(24px,2.6vw,32px)}
.contact-band p{margin:0; color:#C9D6E4; font-size:17px; max-width:560px}
.contact-actions{display:flex; gap:12px; flex-wrap:wrap}
.contact-intro{max-width:640px}
.contact-list{list-style:none; margin:16px 0 0; padding:0; display:grid; gap:6px; font-size:15px; color:#C9D6E4}
.contact-list a{color:#fff}
.contact-list a:hover{text-decoration:underline}
.btn-light{background:#fff; color:var(--primary-strong)}
.btn-light:hover{background:#EAF1F9; text-decoration:none}
.btn-outline{background:transparent; color:#fff; border-color:rgba(255,255,255,.45)}
.btn-outline:hover{background:rgba(255,255,255,.1); text-decoration:none}

/* ---------- Footer (ТЗ-04 § 1.1) ---------- */
.site-footer{background:#123F7A; color:#FFFFFF; font-size:14px; line-height:1.55}
.footer-inner{max-width:1200px; margin:0 auto; padding:40px 40px}
.footer-cols{display:grid; grid-template-columns:5fr 3fr 4fr; gap:40px}
.footer-col{min-width:0}
.footer-brand{display:inline-block; font-size:21px; font-weight:700; letter-spacing:.3px; color:#FFFFFF; text-decoration:none}
.footer-brand span{color:#2FB3A3}
.footer-brand-link{margin:6px 0 0; font-size:13px}
.footer-brand-link a{color:#C9D8EC}
.footer-requisites{font-style:normal; margin:8px 0 0; font-size:12px; line-height:1.45; color:#C9D8EC}
.footer-requisites span{display:block}
.footer-h{font-size:12px; font-weight:600; letter-spacing:.6px; text-transform:uppercase; color:#C9D8EC; margin:0 0 8px}
.footer-list{list-style:none; margin:0; padding:0; display:grid; gap:6px}
.footer-list a{color:#FFFFFF; text-decoration:underline; text-underline-offset:2px}
.footer-list a:hover{color:#C9D8EC}
.footer-note{margin:12px 0 0; font-size:12px; line-height:1.5; color:#C9D8EC}
.footer-project{margin:0; color:#FFFFFF}
.footer-status{margin:6px 0 0; font-size:13px; color:#C9D8EC}
.footer-legal{display:flex; justify-content:space-between; align-items:center; gap:16px; flex-wrap:wrap; margin-top:6px; padding-top:8px; border-top:1px solid rgba(201,216,236,.3); font-size:13px; color:#C9D8EC}
.footer-legal a{color:#C9D8EC; text-decoration:underline; text-underline-offset:2px}
.footer-legal a:hover{color:#FFFFFF}
.footer-legal p{margin:0}
.footer-top{display:inline-flex; align-items:center; min-height:44px; padding:0 4px; white-space:nowrap}
.site-footer a:focus-visible{outline:3px solid #9FB8D6; outline-offset:2px; border-radius:4px}

/* ---------- Responsive ---------- */
@media (max-width:1000px){
  .grid3,.steps,.numbers{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  body{font-size:17px}
  .hero{padding:40px 0 40px}
  section{padding:56px 0}
  .grid3,.steps,.numbers,.grid2{grid-template-columns:1fr}
  .contact-band{padding:28px; border-radius:14px}
  section .sec-head{margin-bottom:26px}
}
@media (max-width:480px){
  .hero h1{font-size:28px}
  h2{font-size:22px}
  .card p{font-size:15px}
  .hero .lead{font-size:16px}
  .sub{font-size:16px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none !important; animation:none !important}
}

/* ---------- Планшет/мобильная шапка (≤1000): бургер + панель одного nav ---------- */
@media (max-width:1000px){
  .burger{display:flex}
  .nav{position:absolute; top:100%; left:0; right:0; display:none; flex-direction:column; align-items:stretch; gap:0; margin-left:0; padding:8px 24px 20px; background:var(--surface); border-bottom:1px solid var(--line); box-shadow:0 10px 30px rgba(18,63,122,.10)}
  .nav.is-open{display:flex}
  .nav a:not(.btn){padding:10px 0; font-size:16px; color:var(--ink)}
}
@media (max-width:767px){
  :root{--pad:16px}
  .header-inner{min-height:56px; gap:12px}
  .nav{padding:8px 16px 20px}
  .footer-inner{padding:16px 20px}
  .footer-cols{grid-template-columns:1fr; gap:24px}
  .footer-legal{flex-direction:column; align-items:flex-start; gap:4px}
}