:root {
  --iat-blue: #1f5ca8;
  --iat-blue-dark: #153f73;
  --ink: #172033;
  --muted: #667085;
  --line: #d7dce5;
  --surface: #ffffff;
  --surface-soft: #f6f8fb;
  --success: #157347;
  --danger: #b42318;
  --shadow: 0 16px 48px rgba(23, 32, 51, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100%;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: #eef2f7 url("/index/img/big-png.png") center top / cover fixed no-repeat;
}

a {
  color: var(--iat-blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.nav {
  width: min(1180px, calc(100% - 32px));
  min-height: 84px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.brand img {
  width: 136px;
  height: auto;
  display: block;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 18px;
  margin-left: auto;
  font-size: 15px;
}

.nav-links a {
  color: #26344d;
}

.wrap {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.intro {
  padding: 56px 0 28px;
  text-align: center;
}

.intro h1 {
  margin: 0;
  font-size: 52px;
  line-height: 1.08;
  font-weight: 500;
  letter-spacing: 0;
  color: #fff;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.36);
}

.intro p {
  max-width: 980px;
  margin: 18px auto 0;
  font-size: 20px;
  line-height: 1.55;
  color: #fff;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.42);
}

.mock-note {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto 28px;
  padding: 14px 18px;
  border: 1px solid #b8d4f2;
  background: #edf6ff;
  color: #123c69;
  border-radius: 8px;
  font-size: 15px;
  line-height: 1.45;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding-bottom: 36px;
}

.service-card {
  display: flex;
  flex-direction: column;
  min-height: 382px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.service-title {
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 21px;
  font-weight: 500;
  text-align: center;
}

.service-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  padding: 18px;
  background: #fff;
}

.service-centers {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  text-align: center;
  line-height: 1.45;
  color: #344054;
}

.button,
button {
  appearance: none;
  border: 1px solid var(--iat-blue);
  background: var(--iat-blue);
  color: #fff;
  min-height: 46px;
  border-radius: 6px;
  padding: 11px 18px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.button:hover,
button:hover {
  background: var(--iat-blue-dark);
  text-decoration: none;
}

.button.secondary {
  background: #fff;
  color: var(--iat-blue);
}

.button.secondary:hover {
  background: #edf4ff;
}

.service-card .button {
  width: calc(100% - 36px);
  margin: auto 18px 18px;
}

.page {
  padding: 42px 0 56px;
}

.payment-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 28px;
  align-items: start;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.panel-body {
  padding: 26px;
}

.crumb {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--iat-blue);
  font-size: 15px;
}

.payment-title {
  margin: 0;
  font-size: 40px;
  line-height: 1.12;
  letter-spacing: 0;
  color: #153f73;
}

.lead {
  margin: 16px 0 0;
  font-size: 18px;
  line-height: 1.55;
  color: #344054;
}

.service-image {
  width: 100%;
  max-height: 260px;
  object-fit: contain;
  margin: 20px 0 6px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.centers-list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.centers-list li {
  padding: 12px 14px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.form-grid {
  display: grid;
  gap: 16px;
}

.field {
  display: grid;
  gap: 7px;
}

.field label,
.check label {
  font-size: 14px;
  color: #344054;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  border: 1px solid #b9c0cf;
  border-radius: 6px;
  min-height: 44px;
  padding: 10px 12px;
  font: inherit;
  color: var(--ink);
  background: #fff;
}

.field select {
  cursor: pointer;
}

.field textarea {
  min-height: 88px;
  resize: vertical;
}

.org-section {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.org-section h2 {
  margin: 0 0 14px;
  font-size: 22px;
  line-height: 1.25;
  font-weight: 500;
}

.org-grid {
  display: grid;
  gap: 12px;
}

.org-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
  padding: 14px;
}

.org-card h2 {
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.3;
}

.org-card dl {
  display: grid;
  gap: 9px;
  margin: 0;
}

.org-card div {
  display: grid;
  gap: 2px;
}

.org-card dt {
  color: var(--muted);
  font-size: 13px;
}

.org-card dd {
  margin: 0;
  line-height: 1.45;
}

.check {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 10px;
  align-items: start;
}

.check input {
  margin-top: 2px;
}

.form-message {
  display: none;
  padding: 13px 14px;
  border-radius: 6px;
  font-size: 15px;
  line-height: 1.45;
}

.form-message.is-visible {
  display: block;
}

.form-message.success {
  border: 1px solid #a7d8be;
  background: #ecfdf3;
  color: var(--success);
}

.form-message.error {
  border: 1px solid #f0b5af;
  background: #fff1f0;
  color: var(--danger);
}

.legal-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.legal-list a {
  display: block;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

.footer {
  background: rgba(255, 255, 255, 0.96);
  border-top: 1px solid var(--line);
  margin-top: 28px;
}

.footer-grid {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0 20px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.footer h2 {
  margin: 0 0 14px;
  font-size: 20px;
  font-weight: 500;
  text-align: center;
}

.footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
  text-align: center;
}

.copyright {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 0 0 22px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.docs-page {
  padding: 42px 0 56px;
}

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

.doc-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.doc-card h2 {
  margin: 0 0 12px;
  font-size: 22px;
}

.doc-card ul {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 8px;
}

.legal-text {
  line-height: 1.65;
}

.legal-text p {
  margin: 16px 0 0;
  white-space: normal;
}

.legal-text p:first-of-type {
  margin-top: 24px;
}

@media (max-width: 960px) {
  .services-grid,
  .payment-layout,
  .footer-grid,
  .docs-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 12px 0;
    gap: 10px;
  }

  .nav-links {
    margin-left: 0;
  }

  .intro h1 {
    font-size: 40px;
  }
}

@media (max-width: 560px) {
  .wrap,
  .nav,
  .footer-grid,
  .copyright,
  .mock-note {
    width: min(100% - 20px, 1180px);
  }

  .intro {
    padding-top: 34px;
  }

  .intro h1,
  .payment-title {
    font-size: 32px;
  }

  .intro p,
  .lead {
    font-size: 16px;
  }

  .panel-body {
    padding: 18px;
  }
}