*,
*::before,
*::after {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  color: var(--grv-ink);
  background:
    linear-gradient(118deg, transparent 0 70%, rgba(255, 111, 77, 0.08) 70% 79%, transparent 79%),
    var(--grv-cream);
  font: 16px/1.75 var(--grv-ui);
}

a {
  color: inherit;
}

.grv-doc-header {
  position: relative;
  z-index: 3;
  background: var(--grv-cream);
}

.grv-doc-header__inner {
  width: min(calc(100% - 40px), 1180px);
  margin-inline: auto;
  padding: 18px 0;
}

.grv-doc-header__brand {
  color: var(--grv-plum);
  text-decoration: none;
  font: 800 21px/1 var(--grv-display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.grv-doc-header__brand::before {
  content: "G";
  width: 34px;
  height: 34px;
  margin-right: 11px;
  display: inline-grid;
  place-items: center;
  color: #fff;
  background: var(--grv-coral);
  border-radius: 50%;
  font-size: 17px;
  letter-spacing: 0;
  vertical-align: middle;
}

.grv-doc-hero {
  position: relative;
  overflow: hidden;
  padding: 78px max(24px, calc((100vw - 1180px) / 2)) 68px;
  color: #fff;
  background:
    radial-gradient(circle at 82% 28%, rgba(255, 179, 159, 0.34), transparent 19rem),
    linear-gradient(118deg, var(--grv-plum-dark), var(--grv-plum) 60%, #5f238d);
  border-radius: 0 0 70px 0;
}

.grv-doc-hero::after {
  content: "GRALVIO";
  position: absolute;
  right: -18px;
  bottom: -26px;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.13);
  font: 800 clamp(70px, 15vw, 190px)/0.8 var(--grv-display);
  letter-spacing: -0.08em;
  pointer-events: none;
}

.grv-doc-hero__eyebrow {
  position: relative;
  z-index: 1;
  display: inline-block;
  margin-bottom: 22px;
  padding: 9px 14px;
  color: var(--grv-plum-dark);
  background: var(--grv-coral-light);
  border-radius: 999px;
  font: 800 12px/1 var(--grv-ui);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.grv-doc-hero__title {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 0 20px;
  font: 800 clamp(36px, 5.5vw, 68px)/1.02 var(--grv-display);
  letter-spacing: -0.05em;
}

.grv-doc-hero__lead {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font: 17px/1.7 var(--grv-ui);
}

.grv-doc-hero__meta {
  position: relative;
  z-index: 1;
  margin: 22px 0 0;
  color: var(--grv-coral-light);
  font: 800 13px/1.4 var(--grv-ui);
}

.grv-doc-layout {
  width: min(calc(100% - 40px), 1180px);
  margin: 0 auto;
  padding: 62px 0 96px;
  display: grid;
  grid-template-columns: 286px minmax(0, 1fr);
  gap: 54px;
  align-items: start;
}

.grv-doc-toc {
  position: sticky;
  top: 24px;
  padding: 26px 22px;
  color: var(--grv-ink);
  background: #fff;
  border: 2px solid var(--grv-plum);
  border-radius: 28px 5px 28px 5px;
  box-shadow: 10px 10px 0 rgba(34, 87, 217, 0.13);
}

.grv-doc-toc__title {
  margin-bottom: 16px;
  color: var(--grv-cobalt);
  font: 800 12px/1.2 var(--grv-ui);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.grv-doc-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: grv-toc;
}

.grv-doc-toc__list li {
  counter-increment: grv-toc;
  border-top: 1px dashed var(--grv-line);
}

.grv-doc-toc__link {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 8px;
  padding: 11px 0;
  color: var(--grv-muted);
  text-decoration: none;
  font: 14px/1.4 var(--grv-ui);
}

.grv-doc-toc__link::before {
  content: counter(grv-toc, decimal-leading-zero);
  color: var(--grv-coral);
  font-weight: 800;
}

.grv-doc-toc__link:hover {
  color: var(--grv-plum);
}

.grv-doc-body {
  min-width: 0;
}

.grv-doc-section {
  position: relative;
  margin-bottom: 28px;
  padding: 8px 0 34px 40px;
  background: transparent;
  border-bottom: 1px solid var(--grv-line);
  scroll-margin-top: 24px;
}

.grv-doc-section::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 12px;
  height: 52px;
  background: linear-gradient(var(--grv-coral), var(--grv-coral-light));
  border-radius: 999px;
}

.grv-doc-section__title {
  margin: 0 0 18px;
  color: var(--grv-plum-dark);
  font: 800 clamp(24px, 3vw, 34px)/1.15 var(--grv-display);
  letter-spacing: -0.035em;
}

.grv-doc-section h3 {
  margin: 24px 0 8px;
  color: var(--grv-plum);
  font: 800 18px/1.3 var(--grv-ui);
}

.grv-doc-section p {
  margin: 0 0 15px;
  color: var(--grv-muted);
}

.grv-doc-section ul,
.grv-doc-section ol {
  margin: 0 0 20px;
  padding-left: 23px;
  color: var(--grv-muted);
}

.grv-doc-section li {
  margin-bottom: 9px;
  padding-left: 5px;
}

.grv-doc-section li::marker {
  color: var(--grv-coral);
  font-weight: 800;
}

.grv-doc-section strong {
  color: var(--grv-ink);
}

.grv-doc-section > *:last-child {
  margin-bottom: 0;
}

.grv-doc-note {
  margin: 24px 0;
  padding: 22px 24px;
  color: #fff;
  background: var(--grv-plum);
  border-radius: 4px 24px 4px 24px;
  box-shadow: 7px 7px 0 var(--grv-coral-light);
}

.grv-doc-note p {
  margin: 0;
  color: rgba(255, 255, 255, 0.84);
}

.grv-doc-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
  margin: 24px 0;
}

.grv-doc-card {
  min-height: 150px;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--grv-line);
  border-top: 5px solid var(--grv-cobalt);
  border-radius: 4px 20px 4px 20px;
  box-shadow: 0 14px 32px rgba(53, 21, 93, 0.08);
}

.grv-doc-card__title {
  margin-bottom: 8px;
  color: var(--grv-plum-dark);
  font: 800 15px/1.35 var(--grv-ui);
}

.grv-doc-card__text {
  color: var(--grv-muted);
  font: 14px/1.6 var(--grv-ui);
}

.grv-doc-table-scroll {
  overflow-x: auto;
  border: 1px solid var(--grv-line);
  border-radius: 4px 20px 4px 20px;
}

.grv-doc-table {
  width: 100%;
  margin: 0;
  border-collapse: collapse;
  background: #fff;
  font-family: var(--grv-ui);
}

.grv-doc-table th {
  padding: 15px 17px;
  color: #fff;
  background: var(--grv-plum);
  text-align: left;
  font-size: 13px;
}

.grv-doc-table td {
  padding: 15px 17px;
  color: var(--grv-muted);
  border-bottom: 1px solid var(--grv-line);
  font-size: 14px;
}

.grv-doc-table tr:last-child td {
  border-bottom: 0;
}

.grv-doc-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 24px 0;
}

.grv-doc-step {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--grv-line);
  border-radius: 20px 4px 20px 4px;
}

.grv-doc-step__num {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--grv-coral);
  border-radius: 50%;
  font: 800 16px/1 var(--grv-ui);
}

.grv-doc-step__title {
  margin-bottom: 5px;
  color: var(--grv-plum-dark);
  font: 800 15px/1.3 var(--grv-ui);
}

.grv-doc-step__text {
  color: var(--grv-muted);
  font: 14px/1.6 var(--grv-ui);
}

.grv-site-footer {
  width: min(calc(100% - 40px), 1180px);
  margin: 0 auto 22px;
  padding: 40px 44px;
  color: rgba(255, 255, 255, 0.72);
  background: var(--grv-plum-dark);
  border-radius: 34px 6px 34px 6px;
  box-shadow: 10px 10px 0 var(--grv-coral-light);
  font-family: var(--grv-ui);
}

.grv-site-footer__inner {
  max-width: 980px;
  margin: 0 auto;
}

.grv-site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-bottom: 20px;
}

.grv-site-footer__nav a {
  color: #fff;
  text-decoration: underline;
  text-decoration-color: var(--grv-coral);
  text-underline-offset: 5px;
  font-size: 14px;
  font-weight: 700;
}

.grv-site-footer__contacts {
  margin: 0 0 16px;
  color: #fff;
  font-size: 14px;
  line-height: 1.7;
}

.grv-site-footer__contacts a {
  color: #fff;
  text-decoration: underline;
  text-decoration-color: var(--grv-coral);
  text-underline-offset: 5px;
}

.grv-site-footer__copy {
  margin: 0 0 12px;
  color: var(--grv-coral-light);
  font-size: 13px;
}

.grv-site-footer__disclaimer {
  max-width: 780px;
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
}

@media (max-width: 940px) {
  .grv-doc-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .grv-doc-toc {
    position: static;
  }

  .grv-doc-toc__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 22px;
  }
}

@media (max-width: 680px) {
  .grv-doc-header__inner {
    width: calc(100% - 28px);
  }

  .grv-doc-hero {
    padding: 54px 18px 48px;
    border-radius: 0 0 38px 0;
  }

  .grv-doc-hero__title {
    font-size: clamp(34px, 11vw, 52px);
  }

  .grv-doc-layout {
    width: calc(100% - 28px);
    padding: 34px 0 62px;
  }

  .grv-doc-toc__list {
    grid-template-columns: 1fr;
  }

  .grv-doc-section {
    padding-left: 24px;
  }

  .grv-doc-section::before {
    width: 8px;
  }

  .grv-doc-steps {
    grid-template-columns: 1fr;
  }

  .grv-doc-step {
    grid-template-columns: 42px minmax(0, 1fr);
    padding: 17px;
  }

  .grv-doc-step__num {
    width: 40px;
    height: 40px;
  }

  .grv-site-footer {
    width: calc(100% - 24px);
    padding: 34px 22px;
    border-radius: 24px 4px 24px 4px;
    box-shadow: 6px 6px 0 var(--grv-coral-light);
  }

  .grv-site-footer__nav {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}