:root {
  --bg: #f6f8f9;
  --panel: #ffffff;
  --text: #14252d;
  --muted: #60727c;
  --primary: #1f5964;
  --primary-dark: #133b43;
  --soft: #eaf5f6;
  --line: #d8e4e7;
  --shadow: 0 24px 80px rgba(20, 39, 48, 0.08);
  --radius-xl: 28px;
  --radius-lg: 22px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #fbfdfd, var(--bg));
}
a { color: inherit; text-decoration: none; }
img, svg { display:block; max-width:100%; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
.container { width: min(calc(100% - 32px), 1180px); margin:0 auto; }
.topbar {
  position: sticky; top:0; z-index:40; background: rgba(255,255,255,.84); backdrop-filter: blur(16px); border-bottom:1px solid rgba(216,228,231,.8);
}
.topbar__inner { min-height: 80px; display:flex; justify-content:space-between; align-items:center; gap:20px; }
.brand { display:flex; align-items:center; gap:14px; font-weight:800; }
.brand__mark { width:56px; height:56px; }
.brand__text small { display:block; color:var(--muted); font-size:12px; font-weight:600; }
.nav { display:flex; flex-wrap:wrap; gap:18px; color:#3f5862; }
.nav a:hover { color:var(--primary); }
.btn, .cta-link {
  min-height: 50px; padding: 0 20px; border-radius: 16px; border:0; font-weight:800; transition:.2s ease; display:inline-flex; align-items:center; justify-content:center;
}
.cta-link, .btn--primary { color:#fff; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); box-shadow:0 16px 32px rgba(31,89,100,.25); }
.btn--secondary { color:var(--primary-dark); background:var(--soft); border:1px solid #d7eaed; }
.btn:hover, .cta-link:hover { transform: translateY(-2px); }
.hero { padding: 60px 0 30px; }
.hero__grid { display:grid; grid-template-columns: minmax(0,1.03fr) minmax(320px,.97fr); gap:28px; align-items:stretch; }
.panel { background:rgba(255,255,255,.92); border:1px solid rgba(216,228,231,.9); border-radius:var(--radius-xl); box-shadow:var(--shadow); }
.hero__card { padding: clamp(28px, 4vw, 54px); }
.eyebrow { margin:0 0 14px; color:var(--primary); font-size:13px; font-weight:800; letter-spacing:.08em; text-transform:uppercase; }
.hero h1 { margin:0; font-size: clamp(36px, 5vw, 62px); line-height:.98; letter-spacing:-.05em; }
.lead { margin:20px 0 0; max-width: 690px; color:#4f6169; font-size: clamp(18px, 2vw, 21px); line-height:1.6; }
.hero__actions { display:flex; flex-wrap:wrap; gap:12px; margin-top:28px; }
.hero-side { padding:22px; display:grid; gap:18px; }
.insight { padding: 18px; border-radius: 22px; background: linear-gradient(135deg,#fdfefe,#edf5f6); border:1px solid #dbe8ea; }
.insight h3 { margin:0 0 10px; font-size: 18px; }
.insight p { margin:0; color:var(--muted); line-height:1.6; }
.document-flow { padding:18px; border-radius: 24px; background:#fff; border:1px solid #dbe8ea; display:grid; gap:12px; }
.flow-item { display:flex; justify-content:space-between; align-items:center; padding:14px; border-radius: 16px; background:#f8fbfb; border:1px solid #dbe8ea; }
.flow-item strong { display:block; }
.flow-item small { color:var(--muted); }
.badge { padding: 6px 10px; border-radius:999px; background:#eaf6ef; color:#23734b; font-size:13px; font-weight:700; }
.section { padding: 28px 0; }
.section-heading { margin-bottom: 18px; }
.section-heading h2 { margin:8px 0 0; font-size: clamp(28px, 4vw, 44px); line-height:1.05; letter-spacing:-.04em; }
.section-heading p { max-width: 780px; color: var(--muted); line-height:1.7; }
.grid-4, .grid-3, .steps, .contact-layout, .faq-grid { display:grid; gap:16px; }
.grid-4 { grid-template-columns: repeat(4,1fr); }
.grid-3 { grid-template-columns: repeat(3,1fr); }
.steps { grid-template-columns: repeat(4,1fr); }
.card { background:rgba(255,255,255,.92); border:1px solid rgba(216,228,231,.9); border-radius:var(--radius-lg); box-shadow:var(--shadow); padding:24px; }
.card h3 { margin:0 0 12px; font-size:21px; }
.card p, .card li { color:var(--muted); line-height:1.65; }
.number { display:inline-flex; margin-bottom:18px; color:var(--primary-dark); font-size:13px; font-weight:900; letter-spacing:.1em; }
.icon-circle { display:grid; width:48px; height:48px; place-items:center; border-radius:16px; background:var(--soft); color:var(--primary-dark); font-weight:900; margin-bottom:18px; }
.emphasis { background: linear-gradient(135deg,#17353b,#1f5964); color:#fff; }
.emphasis p, .emphasis li { color: rgba(255,255,255,.82); }
.contact-layout { grid-template-columns: minmax(0,1fr) minmax(320px,.9fr); align-items:start; }
.form-card { padding:28px; }
.form-grid { display:grid; grid-template-columns: repeat(2,1fr); gap:16px; }
label { display:grid; gap:8px; font-size:14px; font-weight:700; color:#39505a; }
input, textarea, select { width:100%; padding:14px 15px; border-radius:14px; border:1px solid #d6e2e5; background:#f9fbfb; outline:none; transition:.2s ease; }
input:focus, textarea:focus, select:focus { background:#fff; border-color:var(--primary); box-shadow:0 0 0 4px rgba(31,89,100,.12); }
textarea { min-height:140px; resize:vertical; }
.form-grid .full { grid-column:1 / -1; }
.form-result { margin-top:14px; padding:14px 16px; border-radius:14px; font-size:14px; }
.is-pending { background:#eef5f6; color:#205865; }
.is-success { background:#eaf8ef; color:#1d6942; }
.is-error { background:#fff1f0; color:#992e2c; }
.list-plain { list-style:none; padding:0; margin:0; display:grid; gap:12px; }
.list-plain li { color:var(--muted); }
.faq-grid details { border:1px solid #dbe8ea; border-radius:16px; background:#fff; padding:16px 18px; }
.faq-grid summary { cursor:pointer; font-weight:800; }
.faq-grid p { color:var(--muted); line-height:1.65; }
.footer { padding:32px 0 44px; color:var(--muted); }
.footer__box { display:flex; flex-wrap:wrap; justify-content:space-between; gap:16px; padding-top:24px; border-top:1px solid var(--line); }
@media (max-width: 1080px) {
  .hero__grid, .grid-4, .grid-3, .steps, .contact-layout { grid-template-columns: 1fr 1fr; }
  .hero__grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .nav { display:none; }
  .grid-4, .grid-3, .steps, .contact-layout, .form-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 34px; }
  .cta-link { display:none; }
}

/* Slide-scroll layer */
html {
  scroll-snap-type: y proximity;
  scroll-padding-top: 80px;
}

body {
  overflow-x: hidden;
}

main,
footer {
  position: relative;
  z-index: 2;
}

.hero,
.section {
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  scroll-snap-align: start;
  scroll-snap-stop: normal;
  position: relative;
}

.footer {
  scroll-snap-align: end;
}

/* Animated background for СтройПраво / document outsourcing */
.pravo-animated-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(circle at 22% 20%, rgba(31, 89, 100, 0.08), transparent 25%),
    radial-gradient(circle at 78% 76%, rgba(31, 89, 100, 0.08), transparent 26%);
}

.pravo-bg__ring,
.pravo-bg__doc,
.pravo-bg__route,
.pravo-bg__stamp {
  position: absolute;
  display: block;
}

.pravo-bg__ring {
  width: 560px;
  height: 560px;
  right: -130px;
  top: 10%;
  border: 1px solid rgba(31,89,100,.12);
  border-radius: 50%;
  box-shadow: inset 0 0 0 48px rgba(31,89,100,.025), 0 0 90px rgba(31,89,100,.04);
  animation: pravoRing 20s linear infinite;
}

.pravo-bg__doc {
  width: 92px;
  height: 124px;
  border-radius: 16px;
  border: 1px solid rgba(31,89,100,.2);
  background: rgba(255,255,255,.66);
  box-shadow: 0 24px 70px rgba(20,39,48,.08);
  animation: pravoDocFloat 10s ease-in-out infinite;
}

.pravo-bg__doc::before,
.pravo-bg__doc::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  height: 2px;
  border-radius: 999px;
  background: rgba(31,89,100,.28);
  box-shadow: 0 16px rgba(31,89,100,.2), 0 32px rgba(31,89,100,.16), 0 48px rgba(31,89,100,.12);
}

.pravo-bg__doc::before { top: 28px; }
.pravo-bg__doc::after { bottom: 24px; width: 36px; right: auto; }

.pravo-bg__doc--one { top: 16%; left: 9%; transform: rotate(-10deg); }
.pravo-bg__doc--two { top: 28%; right: 14%; transform: rotate(9deg); animation-delay: -2.5s; }
.pravo-bg__doc--three { bottom: 18%; left: 18%; transform: rotate(8deg); animation-delay: -5s; }
.pravo-bg__doc--four { bottom: 14%; right: 28%; transform: rotate(-7deg); animation-delay: -7s; }

.pravo-bg__route {
  width: 430px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(31,89,100,.28), transparent);
  transform-origin: left center;
  animation: pravoRoute 4.8s ease-in-out infinite;
}

.pravo-bg__route--one { top: 36%; left: 13%; transform: rotate(16deg); }
.pravo-bg__route--two { bottom: 31%; right: 9%; transform: rotate(-18deg); animation-delay: -2.2s; }

.pravo-bg__stamp {
  width: 124px;
  height: 124px;
  left: 50%;
  top: 18%;
  border-radius: 50%;
  border: 3px solid rgba(31,89,100,.18);
  transform: rotate(-12deg);
  animation: pravoStamp 8s ease-in-out infinite;
}

.pravo-bg__stamp::before {
  content: "СОГЛАСОВАНО";
  position: absolute;
  inset: 24px 10px;
  display: grid;
  place-items: center;
  border-top: 2px solid rgba(31,89,100,.16);
  border-bottom: 2px solid rgba(31,89,100,.16);
  color: rgba(31,89,100,.28);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .08em;
}

@keyframes pravoRing {
  from { transform: rotate(0deg) scale(1); }
  to { transform: rotate(360deg) scale(1); }
}

@keyframes pravoDocFloat {
  0%, 100% { translate: 0 0; opacity: .52; }
  50% { translate: 18px -26px; opacity: .9; }
}

@keyframes pravoRoute {
  0%, 100% { opacity: .12; filter: blur(0); }
  50% { opacity: .78; filter: blur(.2px); }
}

@keyframes pravoStamp {
  0%, 100% { transform: rotate(-12deg) scale(.96); opacity: .25; }
  50% { transform: rotate(-4deg) scale(1.06); opacity: .48; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-snap-type: none; }
  .pravo-bg__ring,
  .pravo-bg__doc,
  .pravo-bg__route,
  .pravo-bg__stamp { animation: none; }
}

@media (max-width: 760px) {
  html { scroll-snap-type: none; }
  .hero,
  .section { min-height: auto; scroll-snap-align: none; }
  .pravo-animated-bg { opacity: .5; }
}