:root {
  color-scheme: light;
  --blue: #1254d8;
  --blue-dark: #0b3d9f;
  --cyan: #42d3e8;
  --ink: #171c26;
  --muted: #596273;
  --line: #d8dee9;
  --surface: #f3f6fa;
  --white: #ffffff;
  --danger: #b42318;
  --success: #147a3f;
  --max-width: 1180px;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--white);
  font-size: 16px;
  line-height: 1.55;
}

body,
button,
input,
select,
textarea {
  font-family: inherit;
}

a {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

.container {
  width: min(calc(100% - 40px), var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  min-height: 72px;
  padding: 10px max(20px, calc((100% - var(--max-width)) / 2));
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.97);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
}

.header-nav {
  display: flex;
  justify-content: center;
  gap: 28px;
}

.header-nav a,
.text-link,
.contact-block a,
.request-contacts a,
.footer-email,
.footer-legal a {
  color: var(--blue-dark);
  font-weight: 700;
  text-underline-offset: 4px;
}

.header-nav a {
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 11px 20px;
  border: 1px solid var(--blue);
  border-radius: 6px;
  color: var(--white);
  background: var(--blue);
  font-size: 15px;
  font-weight: 750;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.button:hover {
  border-color: var(--blue-dark);
  background: var(--blue-dark);
}

.button:disabled {
  border-color: #9aa5b6;
  color: #eef1f5;
  background: #9aa5b6;
  cursor: not-allowed;
}

.button-small {
  min-height: 44px;
  padding: 9px 16px;
  font-size: 14px;
}

.button-secondary {
  color: var(--blue-dark);
  background: var(--white);
}

.button-secondary:hover {
  color: var(--white);
}

.cta-label-mobile {
  display: none;
}

:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
}

.hero {
  display: flex;
  align-items: center;
  min-height: min(650px, calc(100svh - 72px));
  padding: 44px 0 38px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  align-items: center;
  gap: 64px;
}

.hero-copy,
.product-figure {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.3;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  letter-spacing: 0;
}

h1 {
  max-width: 720px;
  margin-bottom: 22px;
  font-size: 52px;
  line-height: 1.04;
}

h2 {
  margin-bottom: 16px;
  font-size: 36px;
  line-height: 1.12;
}

h3 {
  margin-bottom: 8px;
  font-size: 19px;
  line-height: 1.3;
}

.hero-lead {
  max-width: 650px;
  margin-bottom: 26px;
  color: #414b5c;
  font-size: 19px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 22px;
  margin-bottom: 24px;
}

.text-link {
  min-height: 44px;
  padding-block: 10px;
}

.assumption {
  max-width: 690px;
  margin-bottom: 0;
  padding-left: 14px;
  border-left: 3px solid var(--cyan);
  color: var(--muted);
  font-size: 13px;
}

.product-figure {
  width: min(100%, 510px);
  margin: 0;
  justify-self: end;
}

.product-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.product-figure figcaption {
  max-width: 480px;
  margin: 12px auto 0;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.procurement-strip {
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.fact-grid div {
  min-width: 0;
  padding: 18px 24px;
  border-right: 1px solid var(--line);
}

.fact-grid div:first-child {
  border-left: 1px solid var(--line);
}

.fact-grid span,
.fact-grid strong {
  display: block;
}

.fact-grid span {
  margin-bottom: 3px;
  color: var(--muted);
  font-size: 12px;
}

.fact-grid strong {
  font-size: 14px;
}

.section {
  padding: 80px 0;
  scroll-margin-top: 72px;
}

.section-muted {
  border-block: 1px solid var(--line);
  background: var(--surface);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 36px;
}

.section-heading > p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 18px;
}

.split-layout,
.faq-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.78fr) minmax(0, 1.22fr);
  gap: 72px;
}

.split-layout .section-heading,
.faq-layout .section-heading {
  margin-bottom: 0;
}

.terms-list {
  border-top: 2px solid var(--ink);
}

.terms-list > div {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.terms-list span {
  color: var(--muted);
}

.safety-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.85fr) minmax(0, 1.15fr);
  gap: 72px;
}

.identity-block {
  padding-top: 22px;
  border-top: 2px solid var(--ink);
}

.identity-block address {
  max-width: 500px;
  margin-bottom: 18px;
  color: var(--muted);
  font-style: normal;
}

.identity-block p {
  margin-bottom: 3px;
  font-size: 14px;
  font-weight: 700;
}

.contact-block,
.request-contacts {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  margin-top: 28px;
}

.contact-block a,
.request-contacts a,
.footer-email {
  min-height: 44px;
  max-width: 100%;
  padding-block: 10px;
  overflow-wrap: anywhere;
}

.contact-name,
.request-contacts p {
  margin-bottom: 2px;
}

.safety-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink);
  list-style: none;
}

.safety-list li {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.safety-list > li > span,
.process-list > li > span {
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
}

.safety-list p,
.process-list p {
  margin-bottom: 0;
  color: var(--muted);
}

.process-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.process-list li {
  min-width: 0;
  padding: 22px 24px 0 0;
  border-right: 1px solid var(--line);
}

.process-list li + li {
  padding-left: 24px;
}

.process-list > li > span {
  display: block;
  margin-bottom: 28px;
}

.faq-list {
  border-top: 2px solid var(--ink);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  position: relative;
  min-height: 62px;
  padding: 18px 44px 18px 0;
  font-weight: 750;
  cursor: pointer;
}

.faq-list summary::after {
  position: absolute;
  top: 17px;
  right: 4px;
  content: "+";
  color: var(--blue);
  font-size: 24px;
  line-height: 1;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list p {
  max-width: 720px;
  padding-right: 44px;
  color: var(--muted);
}

.request-section {
  padding: 72px 0;
  scroll-margin-top: 72px;
  color: var(--white);
  background: var(--blue-dark);
}

.request-layout {
  display: grid;
  grid-template-columns: minmax(250px, 0.7fr) minmax(0, 1.3fr);
  gap: 64px;
  align-items: start;
}

.request-intro .eyebrow {
  color: var(--cyan);
}

.request-intro > p:not(.eyebrow) {
  color: #d8e5ff;
}

.request-contacts {
  padding-top: 24px;
  border-top: 1px solid #668fe2;
}

.request-contacts a {
  color: var(--white);
}

.request-form {
  padding: 30px;
  border: 1px solid #668fe2;
  border-radius: 8px;
  color: var(--ink);
  background: var(--white);
}

.request-summary {
  display: grid;
  grid-template-columns: minmax(250px, 0.7fr) minmax(0, 1.3fr);
  gap: 64px;
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid #668fe2;
}

.request-summary .eyebrow {
  margin-bottom: 8px;
  color: var(--cyan);
}

.request-summary h3 {
  max-width: 280px;
  margin-bottom: 0;
}

.request-summary ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border-top: 1px solid #668fe2;
  list-style: none;
}

.request-summary li {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  min-height: 64px;
  padding: 10px 16px;
  border-right: 1px solid #668fe2;
  border-bottom: 1px solid #668fe2;
}

.request-summary li:nth-child(odd) {
  border-left: 1px solid #668fe2;
}

.request-summary strong,
.request-summary span {
  display: block;
}

.request-summary strong {
  font-size: 14px;
}

.request-summary span {
  color: #d8e5ff;
  font-size: 13px;
}

.form-progress {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 10px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 13px;
}

.form-progress span {
  min-width: 0;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--line);
}

.form-progress [aria-current="step"] {
  border-color: var(--blue);
  color: var(--ink);
}

.form-progress b {
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  margin-right: 6px;
  border-radius: 50%;
  color: var(--white);
  background: var(--blue);
  font-size: 12px;
}

.request-form > fieldset,
.channel-group {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.request-form > fieldset > legend {
  margin-bottom: 22px;
  padding: 0;
  font-size: 22px;
  font-weight: 800;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.field,
.field > span {
  display: block;
  min-width: 0;
}

.field-wide {
  grid-column: 1 / -1;
}

.field > span,
.channel-group > legend {
  margin-bottom: 7px;
  font-size: 13px;
  font-weight: 750;
}

.field small {
  color: var(--muted);
  font-size: inherit;
  font-weight: 400;
}

input,
select,
textarea {
  width: 100%;
  min-height: 48px;
  border: 1px solid #aeb8c8;
  border-radius: 6px;
  color: var(--ink);
  background: var(--white);
  font-size: 16px;
  line-height: 1.4;
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

input,
select {
  padding: 0 12px;
}

select {
  appearance: none;
  padding-right: 44px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath d='m4 6 4 4 4-4' fill='none' stroke='%23596273' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-position: right 14px center;
  background-repeat: no-repeat;
  background-size: 16px;
}

textarea {
  min-height: 112px;
  padding: 11px 12px;
  resize: vertical;
}

input:hover,
select:hover,
textarea:hover {
  border-color: #778399;
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  border-color: var(--blue);
  outline: 3px solid rgba(66, 211, 232, 0.55);
  outline-offset: 1px;
}

input:disabled,
select:disabled,
textarea:disabled {
  color: #717b8c;
  background-color: #eef1f5;
  cursor: not-allowed;
  opacity: 1;
}

.request-form[data-submission-status="invalid"] input:invalid,
.request-form[data-submission-status="invalid"] select:invalid,
.request-form[data-submission-status="invalid"] textarea:invalid,
[aria-invalid="true"] {
  border-color: var(--danger);
  box-shadow: 0 0 0 1px var(--danger);
}

.request-form[data-submission-status="invalid"] .radio-row input:invalid + span {
  border-color: var(--danger);
  box-shadow: 0 0 0 1px var(--danger);
}

.request-form[data-submission-status="invalid"] .consent input:invalid {
  outline: 2px solid var(--danger);
  outline-offset: 2px;
}

.form-next {
  width: 100%;
  margin-top: 24px;
}

.channel-group {
  margin: 22px 0;
}

.radio-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.radio-row label {
  position: relative;
  min-width: 0;
}

.radio-row input {
  position: absolute;
  width: 1px;
  height: 1px;
  min-height: 1px;
  opacity: 0;
}

.radio-row span {
  display: grid;
  place-items: center;
  min-height: 48px;
  padding: 8px;
  border: 1px solid #aeb8c8;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.radio-row input:checked + span {
  border-color: var(--blue);
  color: var(--blue-dark);
  background: #edf3ff;
}

.radio-row input:focus-visible + span {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
}

.consent {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  min-height: 44px;
  margin-top: 16px;
  color: #465063;
  font-size: 13px;
}

.consent input {
  width: 20px;
  min-height: 20px;
  margin: 0;
  accent-color: var(--blue);
}

.consent a {
  color: var(--blue-dark);
  font-weight: 700;
}

.form-actions {
  display: grid;
  grid-template-columns: minmax(0, 0.6fr) minmax(0, 1.4fr);
  gap: 12px;
  margin-top: 24px;
}

.short-form-copy {
  margin: -10px 0 22px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.form-actions-short {
  display: block;
}

.form-actions-short .button {
  width: 100%;
}

.form-status {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.request-form[data-submission-status="accepted"] .form-status {
  color: var(--success);
}

.request-form[data-submission-status="error"] .form-status,
.request-form[data-submission-status="invalid"] .form-status {
  color: var(--danger);
}

.hp-field {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.site-footer {
  padding: 34px 0;
  border-top: 1px solid #343b47;
  color: #c8d0dc;
  background: #171c24;
}

.footer-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 56px;
  align-items: start;
}

.footer-brand {
  margin-bottom: 10px;
  color: var(--white);
}

.footer-layout p {
  margin-bottom: 0;
  font-size: 13px;
}

.footer-email {
  display: inline-block;
  color: var(--cyan);
  font-size: 13px;
}

.footer-legal {
  text-align: right;
}

.footer-legal a {
  display: inline-block;
  min-height: 44px;
  padding-block: 10px;
  color: var(--cyan);
}

@media (max-width: 960px) {
  .header-nav {
    display: none;
  }

  .site-header {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 16px;
  }

  .hero {
    min-height: auto;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 0.82fr);
    gap: 32px;
  }

  h1 {
    font-size: 42px;
  }

  .fact-grid,
  .process-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .fact-grid div:nth-child(3) {
    border-left: 1px solid var(--line);
  }

  .fact-grid div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .process-list li:nth-child(2) {
    border-right: 0;
  }

  .process-list li:nth-child(n + 3) {
    margin-top: 32px;
    border-top: 1px solid var(--line);
  }

  .safety-layout {
    grid-template-columns: minmax(250px, 0.8fr) minmax(0, 1.2fr);
    gap: 40px;
  }

  .footer-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .footer-legal {
    text-align: left;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(calc(100% - 32px), var(--max-width));
  }

  .site-header {
    min-height: 64px;
    padding: 8px 16px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
    flex-basis: 36px;
  }

  .site-header .brand span {
    font-size: 12px;
  }

  .site-header .button {
    min-height: 44px;
    padding-inline: 12px;
    font-size: 12px;
  }

  .hero {
    padding: 34px 0 28px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .hero-copy {
    display: contents;
  }

  .hero-copy .eyebrow {
    order: 1;
    margin-bottom: 0;
  }

  .hero-copy h1 {
    order: 2;
    margin-bottom: 2px;
  }

  .product-figure {
    order: 3;
  }

  .hero-lead {
    order: 4;
    margin-bottom: 4px;
  }

  .hero-actions {
    order: 5;
    margin-bottom: 4px;
  }

  .assumption {
    order: 6;
  }

  h1 {
    font-size: 36px;
    line-height: 1.08;
  }

  h2 {
    font-size: 30px;
  }

  .hero-lead {
    font-size: 17px;
  }

  .product-figure {
    width: min(100%, 340px);
    height: 150px;
    margin-inline: auto;
    overflow: hidden;
    justify-self: center;
  }

  .product-figure img {
    position: relative;
    left: 50%;
    width: min(340px, calc(100vw - 28px));
    max-width: none;
    transform: translate(-50%, -28%);
  }

  .product-figure figcaption {
    display: none;
  }

  .fact-grid {
    grid-template-columns: 1fr 1fr;
  }

  .fact-grid div {
    padding: 15px 12px;
  }

  .section {
    padding: 58px 0;
  }

  .section-heading {
    margin-bottom: 28px;
  }

  .split-layout,
  .safety-layout,
  .faq-layout,
  .request-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .split-layout .section-heading,
  .faq-layout .section-heading {
    margin-bottom: 0;
  }

  .terms-list > div {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 14px;
  }

  .process-list {
    grid-template-columns: minmax(0, 1fr);
    border-top: 0;
  }

  .process-list li,
  .process-list li + li,
  .process-list li:nth-child(n + 3) {
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 12px;
    margin: 0;
    padding: 18px 0;
    border-top: 1px solid var(--line);
    border-right: 0;
  }

  .process-list > li > span {
    margin: 2px 0 0;
  }

  .request-section {
    padding: 44px 0 36px;
  }

  .request-summary {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
    margin-top: 32px;
    padding-top: 24px;
  }

  .request-summary h3 {
    max-width: none;
  }

  .request-summary ul {
    grid-template-columns: minmax(0, 1fr);
  }

  .request-summary li,
  .request-summary li:nth-child(odd) {
    min-height: 52px;
    border-right: 1px solid #668fe2;
    border-left: 1px solid #668fe2;
  }

  .request-form {
    padding: 22px 18px;
  }

  .footer-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .footer-legal {
    text-align: left;
  }
}

@media (max-width: 480px) {
  .cta-label-full {
    display: none;
  }

  .cta-label-mobile {
    display: inline;
  }

  .field-grid,
  .radio-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .field-wide {
    grid-column: auto;
  }

  .form-actions {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 390px) {
  .container {
    width: calc(100% - 28px);
  }

  .site-header {
    gap: 10px;
    padding-inline: 12px;
  }

  .brand {
    gap: 6px;
  }

  .brand-mark {
    width: 32px;
    height: 32px;
    flex-basis: 32px;
  }

  .site-header .brand span {
    font-size: 11px;
  }

  .site-header .button {
    min-width: 64px;
    padding-inline: 10px;
  }

  h1 {
    font-size: 30px;
  }

  h2 {
    font-size: 27px;
  }

  .hero-actions .button {
    width: 100%;
  }

  .fact-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .fact-grid div,
  .fact-grid div:nth-child(3) {
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    border-left: 1px solid var(--line);
  }

  .terms-list > div {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .safety-list li {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 8px;
  }

  .request-form {
    padding-inline: 14px;
  }

  .form-progress {
    font-size: 12px;
  }

  .form-progress b {
    margin-right: 3px;
  }

  .site-footer {
    padding: 16px 0;
  }

  .footer-layout {
    gap: 8px;
  }

  .footer-brand {
    margin-bottom: 2px;
  }

  .footer-layout p {
    margin: 0;
    line-height: 1.35;
  }

  .footer-email {
    min-height: 24px;
    padding-block: 2px;
  }

  .footer-legal a {
    padding-block: 8px;
  }
}

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

/* FAQ: только кастомный «+» — нативный треугольник details убираем. */
.faq-list summary {
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

/* Реквизиты в футере были 10.8px — единственный текст на сайте мельче 11px. */
footer small {
  font-size: 12px;
}

/* соцсети в футере */
.footer-social { display: flex; gap: 14px; margin-top: 14px; }
.footer-social a { display: inline-flex; color: #c8d0dc; min-width: 36px; min-height: 36px; align-items: center; }
.footer-social a:hover { color: var(--cyan); }