:root {
  --ink: #12110e;
  --ink-2: #1c1915;
  --paper: #f3efe6;
  --paper-2: #e7e0d2;
  --text: #1c1915;
  --muted: #5e584e;
  --crimson: #9e1b2e;
  --crimson-deep: #7c1424;
  --brass: #a68456;
  --line: rgba(28, 25, 21, 0.12);
  --line-light: rgba(243, 239, 230, 0.16);
  --serif: "Oranienbaum", "Times New Roman", serif;
  --sans: "Onest", "Segoe UI", sans-serif;
  --rail: minmax(300px, 400px);
  --bar: 4.6rem;
  --shadow: 0 24px 60px rgba(18, 17, 14, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.55;
}
:focus-visible {
  outline: 3px solid var(--crimson);
  outline-offset: 3px;
}
.rail :focus-visible { outline-color: var(--paper); }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
button, input, textarea { font: inherit; }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.15; letter-spacing: 0; }
h1 { margin: 0 0 0.6em; font-size: clamp(2.4rem, 4.6vw, 4.4rem); }
h2 { margin: 1.4em 0 0.45em; font-size: clamp(1.6rem, 2.4vw, 2.15rem); }
p { margin: 0 0 0.9em; }

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--ink);
  color: var(--paper);
  padding: 0.6rem 0.8rem;
  z-index: 20;
}
.skip:focus { top: 1rem; }

.shell {
  display: grid;
  grid-template-columns: var(--rail) minmax(0, 1fr);
  min-height: 100vh;
}

.rail {
  position: sticky;
  top: 0;
  height: 100vh;
  color: var(--paper);
  background:
    radial-gradient(90% 60% at 0% 0%, rgba(158, 27, 46, 0.42), transparent 58%),
    radial-gradient(70% 45% at 100% 100%, rgba(166, 132, 86, 0.2), transparent 55%),
    var(--ink);
  overflow: auto;
}
.rail-inner {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  padding: 1.6rem 1.5rem 1.4rem;
  border-right: 1px solid var(--line-light);
}
.mark { display: block; width: 52px; height: auto; }
.brand {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 0.8rem;
  align-items: center;
  text-decoration: none;
  letter-spacing: 0;
  font-size: 1.05rem;
  line-height: 1.35;
  font-weight: 600;
}
.latin {
  margin: 0;
  color: var(--brass);
  letter-spacing: 0.04em;
  font-size: 1rem;
}
.motto {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.1rem, 3vw, 2.8rem);
  line-height: 1.1;
  max-width: 12ch;
}
.rail-mission {
  margin: 0;
  max-width: 28ch;
  color: rgba(243, 239, 230, 0.78);
}
.rail-actions { display: flex; flex-direction: column; gap: 0.6rem; margin-top: auto; }
.rail-meta {
  display: grid;
  gap: 0.35rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--line-light);
  font-size: 1rem;
}
.rail-meta a {
  text-decoration: none;
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.3;
}
.rail-meta p { margin: 0; color: rgba(243, 239, 230, 0.72); }

.stage { min-width: 0; background: var(--paper); }
.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: var(--bar);
  padding: 0 1.6rem;
  background: rgba(243, 239, 230, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-dock { display: flex; margin-right: auto; min-width: 0; }
.nav { display: flex; gap: 0.35rem 1.15rem; flex-wrap: wrap; }
.topbar-brand { display: none; }
.nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  text-decoration: none;
  font-size: 1rem;
}
.nav a[aria-current="page"] {
  color: var(--crimson);
  box-shadow: inset 0 -2px 0 var(--crimson);
}
.topbar-phone {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 1.15rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}
.menu-btn, .menu-scrim, .rail-bar { display: none; }
.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;
}

.stage-body {
  width: min(920px, calc(100% - 3.2rem));
  margin: 0 auto;
  padding: 2.4rem 0 3rem;
}
.kicker {
  margin: 0 0 0.45rem;
  color: var(--crimson);
  letter-spacing: 0;
  font-size: 1rem;
  font-weight: 600;
}
.lede { font-size: 1.25rem; max-width: 36ch; }
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 210px;
  gap: 1.5rem 2rem;
  align-items: start;
  margin-bottom: 1.8rem;
}
.hero h1 { font-size: clamp(2.1rem, 3.4vw, 3.35rem); max-width: 14ch; }
.points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem 1.2rem;
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
  max-width: 36rem;
}
.points li {
  padding-left: 0.9rem;
  position: relative;
}
.points li::before {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--crimson);
  position: absolute;
  left: 0;
  top: 0.55rem;
}
.certificate.hero-certificate {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  width: 210px;
  margin: 0;
  gap: 0.45rem;
}
.certificate.hero-certificate img {
  width: 100%;
  height: auto;
  max-height: 300px;
  object-fit: contain;
}
.certificate.hero-certificate figcaption {
  margin: 0;
  max-width: none;
  width: 100%;
}
.trust-line { max-width: 62ch; font-size: 1.05rem; color: var(--muted); margin-top: 1.4rem; }
.nowrap { white-space: nowrap; }
.facts { margin: 2rem 0 0; }
.facts ul, ul.facts { margin: 0.4rem 0 0; padding: 0; list-style: none; }
.facts li, ul.facts li { padding: 0.75rem 0; border-top: 1px solid var(--line); }
.facts li:last-child, ul.facts li:last-child { border-bottom: 1px solid var(--line); }
.facts-inline { margin-top: 0.2rem; }
.prose { max-width: 68ch; }
.crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  align-items: center;
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 1rem;
}
.crumbs a { color: var(--crimson); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.7rem 1.1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-fill { background: var(--crimson); color: #fff; }
.btn-fill:hover { background: var(--crimson-deep); }
.btn-ghost { background: transparent; color: var(--paper); border-color: rgba(243, 239, 230, 0.35); }
.btn-line { background: transparent; border-color: var(--text); }
.btn-quiet { background: transparent; border-color: var(--line); }
.btn-small { min-height: 44px; padding: 0.45rem 0.95rem; }

.advantages {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin: 2.2rem 0;
  background: var(--line);
  border: 1px solid var(--line);
}
.advantages article {
  background: var(--paper);
  padding: 1.2rem 1.15rem 1.3rem;
}
.advantages span {
  color: var(--crimson);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.advantages h2 { margin-top: 0.35rem; font-size: 1.55rem; }

.certificate {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.2rem;
  align-items: end;
  margin: 0 0 2.4rem;
}
.certificate img {
  width: 220px;
  height: 300px;
  object-fit: cover;
  object-position: top;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.certificate figcaption { color: var(--muted); font-size: 1rem; }
.certificate-inline { margin-top: 2rem; }

.index-list, .catalog { list-style: none; margin: 0; padding: 0; }
.index-list a, .catalog a {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  align-items: center;
  min-height: 52px;
  padding: 0.85rem 0;
  text-decoration: none;
  border-top: 1px solid var(--line);
}
.index-list li:last-child a, .catalog li:last-child a { border-bottom: 1px solid var(--line); }
.index-list a:hover strong, .catalog a:hover strong { color: var(--crimson); }
.num {
  color: var(--crimson);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}
.home-index {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 2rem;
}
.home-index a {
  border-top: 0;
  border-bottom: 1px solid var(--line);
  min-height: 48px;
  padding: 0.65rem 0;
}
.home-index li:last-child a { border-bottom: 1px solid var(--line); }
.when {
  display: block;
  margin-top: 0.15rem;
  color: var(--muted);
  font-size: 1rem;
}

.catalog a {
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 1rem;
}
.catalog-copy { display: grid; gap: 0.25rem; }
.catalog-copy em {
  font-style: normal;
  color: var(--muted);
  font-size: 0.95rem;
}
.more { color: var(--crimson); font-size: 1rem; }

.calc {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 1.5rem;
  margin-top: 2.6rem;
  padding: 1.4rem;
  background: var(--ink);
  color: var(--paper);
}
.calc .kicker { color: var(--brass); font-size: 1rem; }
.calc h2 { margin-top: 0; }
form { display: grid; gap: 0.8rem; }
label { display: grid; gap: 0.35rem; font-size: 1rem; }
input, textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  padding: 0.75rem 0.8rem;
  border-radius: 0;
}
.calc input { background: #fff; }
.check {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
}
.check input { width: 1.25rem; height: 1.25rem; margin-top: 0.15rem; }
.form-note { margin: 0; color: var(--text); font-size: 1rem; }
.calc .form-note { color: var(--paper); }
.form-note.is-error { color: var(--crimson); font-weight: 600; }
.calc .form-note.is-error { color: #ffd0d6; }
.form-row { display: flex; gap: 0.6rem; flex-wrap: wrap; }

.service-list { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 1.5rem; }
.service-list article { background: var(--paper); padding: 1.3rem 1.2rem 1.4rem; }
.service-list h2 { margin-top: 0; }

.mission-band {
  margin-top: 1.6rem;
  padding: 1.3rem 1.2rem;
  background: var(--ink);
  color: var(--paper);
}
.mission-band p:last-child {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.1;
}

.contact-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 2rem; }
.contact-grid h2 { font-size: 1.35rem; margin-bottom: 0.2rem; }
.requisites dl { margin: 0; }
.requisites div { padding: 0.7rem 0; border-top: 1px solid var(--line); }
.requisites dt { color: var(--muted); font-size: 1rem; }
.requisites dd { margin: 0.15rem 0 0; }
.moscow-note { color: var(--muted); }
.socials { display: flex; flex-wrap: wrap; gap: 0.7rem 1rem; }
.socials a { text-underline-offset: 0.18em; }

.tasks { margin: 0 0 1rem; padding: 0; list-style: none; }
.tasks li {
  padding: 0.7rem 0 0.7rem 1.4rem;
  border-top: 1px solid var(--line);
  position: relative;
}
.tasks li:last-child { border-bottom: 1px solid var(--line); }
.tasks li::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--crimson);
  position: absolute;
  left: 0;
  top: 1.05rem;
}
.article-cta { display: flex; gap: 0.7rem; margin-top: 1.6rem; }

.colophon {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.2fr 1fr;
  gap: 1rem;
  width: min(920px, calc(100% - 3.2rem));
  margin: 0 auto;
  padding: 1.4rem 0 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 1rem;
}
.colophon p { margin: 0 0 0.3rem; }
.colophon a { text-decoration: none; }

.modal {
  width: min(460px, calc(100% - 2rem));
  border: 0;
  padding: 1.3rem;
  background: var(--paper);
  color: var(--text);
  box-shadow: var(--shadow);
}
.modal::backdrop { background: rgba(18, 17, 14, 0.62); }
.modal h2 { margin-top: 0; font-size: 2rem; }
.certificate-zoom {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: zoom-in;
}
.modal-certificate {
  width: min(640px, calc(100% - 2rem));
  max-height: calc(100vh - 2rem);
}
.modal-certificate img {
  width: 100%;
  height: auto;
  max-height: calc(100vh - 7.5rem);
  object-fit: contain;
  margin-bottom: 0.8rem;
}

@media (max-width: 980px) {
  .shell { grid-template-columns: 1fr; }
  .rail { position: relative; height: auto; }
  .rail-inner { min-height: 0; gap: 0.85rem; padding: 1.1rem 1.15rem 1.4rem; }
  .motto { max-width: 12ch; font-size: 2rem; }
  .rail-mission { display: none; }
  .rail-actions { margin-top: 0.4rem; }
  .topbar {
    gap: 0.45rem;
    padding: env(safe-area-inset-top) 0.75rem 0 0.75rem;
    min-height: calc(var(--bar) + env(safe-area-inset-top));
    background: var(--paper);
    z-index: 20;
  }
  .topbar-phone { font-size: 0.98rem; }
  .topbar-brand {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    min-width: 0;
    margin-right: auto;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1.2;
  }
  .topbar-brand img { width: 32px; height: auto; }
  .topbar-brand span { display: none; }
  .nav-dock { display: none; }
  .menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: var(--text);
    cursor: pointer;
  }
  .burger { display: grid; gap: 5px; width: 22px; }
  .burger span {
    display: block;
    height: 2px;
    background: currentColor;
    transform-origin: center;
  }
  body.menu-open .burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  body.menu-open .burger span:nth-child(2) { opacity: 0; }
  body.menu-open .burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .rail-inner {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    column-gap: 0.15rem;
    row-gap: 1.1rem;
  }
  .rail-bar {
    display: flex;
    align-items: center;
    grid-column: 1;
    grid-row: 1;
    min-height: 2.75rem;
  }
  .brand {
    grid-column: 2;
    grid-row: 1;
    min-width: 0;
    align-self: center;
  }
  .drawer-slot,
  .motto,
  .latin,
  .rail-mission,
  .rail-actions,
  .rail-meta { grid-column: 1 / -1; }
  .menu-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin-left: -0.45rem;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--paper);
    cursor: pointer;
  }
  .menu-close .burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-close .burger span:nth-child(2) { opacity: 0; }
  .menu-close .burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .js .rail {
    position: fixed;
    z-index: 60;
    top: 0;
    left: 0;
    width: min(32rem, calc(100vw - 2.5rem));
    height: 100dvh;
    padding-top: env(safe-area-inset-top);
    transform: translateX(-105%);
    visibility: hidden;
    overflow: auto;
    overscroll-behavior: contain;
    box-shadow: none;
    transition: transform 0.28s ease, visibility 0s linear 0.28s;
  }
  .js body.menu-open .rail {
    transform: none;
    visibility: visible;
    box-shadow: var(--shadow);
    transition: transform 0.28s ease;
  }
  .menu-scrim {
    position: fixed;
    z-index: 50;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 0;
    padding: 0;
    background: rgba(18, 17, 14, 0.55);
    cursor: pointer;
  }
  body.menu-open .menu-scrim { display: block; }
  body.menu-open { overflow: hidden; }
  .drawer-slot .nav {
    flex-direction: column;
    gap: 0;
    margin: 0.2rem 0 0.4rem;
  }
  .drawer-slot .nav a {
    min-height: 48px;
    padding: 0.65rem 0;
    border-top: 1px solid var(--line-light);
    font-size: 1.15rem;
  }
  .drawer-slot .nav a[aria-current="page"] {
    color: #fff;
    box-shadow: inset 3px 0 0 var(--crimson);
    padding-left: 0.75rem;
  }
  .hero, .points, .home-index, .advantages, .calc, .certificate, .contact-grid, .colophon, .catalog a {
    grid-template-columns: 1fr;
  }
  .certificate.hero-certificate { width: 180px; }
  .certificate.hero-certificate img { max-height: 240px; }
  .catalog a { gap: 0.4rem; }
  .more { padding-top: 0; }
  .stage-body, .colophon { width: min(920px, calc(100% - 2rem)); }
  .stage-body { padding-top: 1.5rem; }
}

@media (max-width: 420px) {
  .topbar-phone { display: none; }
}

@media (min-width: 560px) and (max-width: 980px) {
  .topbar-brand span { display: block; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .js .rail, .burger span { transition: none; }
  .btn:hover { transform: none; }
}