:root {
  color-scheme: light;
  --ink: #13213a;
  --muted: #667085;
  --brand: #07867d;
  --brand-dark: #05665f;
  --brand-soft: #e7f5f3;
  --line: #d8e3e1;
  --paper: #ffffff;
  --canvas: #f4f7f8;
  --warning: #8a4b00;
  --warning-soft: #fff4df;
  --shadow: 0 18px 44px rgba(19, 33, 58, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: Tahoma, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.9;
}

::selection {
  background: #b9ebe6;
  color: var(--ink);
}

a {
  color: var(--brand-dark);
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid #ff9a3d;
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  inset-block-start: 12px;
  inset-inline-start: 12px;
  z-index: 10;
  padding: 8px 14px;
  border-radius: 10px;
  background: var(--ink);
  color: #fff;
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.shell {
  width: min(1050px, calc(100% - 32px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 5;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}

.header-content,
.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.header-content {
  min-height: 84px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
}

.brand-logo {
  display: block;
  width: 58px;
  height: 58px;
  border-radius: 17px;
  box-shadow: 0 9px 20px rgba(7, 134, 125, 0.22);
}

.brand-copy {
  display: grid;
  line-height: 1.35;
}

.brand-copy strong {
  font-size: 25px;
  font-weight: 800;
}

.brand-copy small {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

nav a {
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

nav a:hover {
  color: var(--brand);
}

.header-contact,
.contact-button {
  border-radius: 14px;
  background: var(--brand);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
  transition: background 160ms ease, transform 160ms ease;
}

.header-contact {
  padding: 9px 16px;
  white-space: nowrap;
}

.header-contact:hover,
.contact-button:hover {
  background: var(--brand-dark);
  transform: translateY(-1px);
}

.preview-banner {
  margin-block: 20px 0;
  padding: 14px 18px;
  border: 1px solid #f3cf8d;
  border-radius: 14px;
  background: var(--warning-soft);
  color: var(--warning);
  font-weight: 700;
}

.page-card {
  min-height: 56vh;
  margin-block: 28px;
  padding: clamp(24px, 5vw, 58px);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.page-card > p:first-of-type {
  color: #44526a;
  font-size: clamp(18px, 2.5vw, 22px);
}

h1,
h2 {
  line-height: 1.45;
}

.content-section {
  margin-block: 30px 0;
  padding-block: 28px 0;
  border-top: 1px solid var(--line);
}

.content-section h2 {
  margin-block-start: 0;
  color: var(--ink);
}

.content-section p:last-child,
.content-section ul:last-child,
.content-section ol:last-child {
  margin-block-end: 0;
}

.home-page > h1 {
  margin-block-end: 10px;
}

.home-page > p:first-of-type {
  max-width: 64ch;
  margin-block: 0 22px;
  color: var(--ink);
  font-size: clamp(21px, 3vw, 27px);
  font-weight: 700;
}

.home-page > .notice {
  margin-block: 20px 34px;
  padding: 20px 22px;
}

.home-page .content-section {
  display: grid;
  grid-template-columns: minmax(190px, 0.42fr) minmax(0, 1fr);
  gap: 12px 36px;
}

.home-page .content-section h2 {
  grid-row: 1 / span 8;
}

.home-page .content-section > :not(h2) {
  grid-column: 2;
}

h1 {
  margin-block: 0 24px;
  color: var(--brand-dark);
  font-size: clamp(34px, 7vw, 58px);
}

h2 {
  margin-block: 38px 12px;
  font-size: clamp(23px, 4vw, 31px);
}

p,
li {
  max-width: 78ch;
}

ul,
ol {
  padding-inline-start: 26px;
}

code {
  direction: ltr;
  unicode-bidi: isolate;
  padding: 2px 7px;
  border-radius: 7px;
  background: var(--brand-soft);
  color: var(--brand-dark);
  font-family: Consolas, monospace;
}

.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-block: 4px;
  padding: 7px 14px;
  border: 1px solid #a8d8d4;
  border-radius: 12px;
  background: var(--brand-soft);
  color: var(--brand-dark);
  font-weight: 800;
  text-decoration: none;
}

.text-link:hover {
  border-color: var(--brand);
  background: #d8efed;
}

.notice {
  padding: 14px 18px;
  border-inline-start: 5px solid var(--brand);
  border-radius: 12px;
  background: var(--brand-soft);
}

.contact-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-block: 0 34px;
  padding: clamp(22px, 4vw, 34px);
  border-radius: 24px;
  background: linear-gradient(135deg, var(--brand-dark), var(--brand));
  color: #fff;
  box-shadow: var(--shadow);
}

.contact-band h2 {
  margin: 0 0 4px;
  font-size: clamp(23px, 4vw, 31px);
}

.contact-band p {
  margin: 0;
  color: rgba(255, 255, 255, 0.86);
}

.contact-button {
  display: grid;
  flex: 0 0 auto;
  min-width: 230px;
  padding: 13px 22px;
  border: 2px solid rgba(255, 255, 255, 0.7);
  background: #fff;
  color: var(--brand-dark);
  text-align: center;
}

.contact-button:hover {
  background: var(--brand-soft);
  color: var(--brand-dark);
}

.contact-button strong {
  font-size: 18px;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
}

.footer-content {
  min-height: 100px;
  padding-block: 22px;
}

.footer-content > div {
  display: grid;
  line-height: 1.5;
}

.footer-content > div strong {
  color: var(--ink);
  font-size: 20px;
}

.footer-content p {
  margin: 0;
}

.footer-nav {
  justify-content: center;
}

.footer-nav a {
  color: var(--muted);
  font-size: 15px;
}

@media (max-width: 760px) {
  body {
    font-size: 16px;
  }

  .site-header {
    position: static;
  }

  .header-content,
  .footer-content {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding-block: 18px;
  }

  nav {
    gap: 6px 14px;
  }

  .header-contact {
    align-self: stretch;
    text-align: center;
  }

  .page-card {
    margin-block: 18px;
    padding: 24px 20px;
    border-radius: 20px;
  }

  .home-page .content-section {
    display: block;
  }

  .home-page .content-section > :not(h2) {
    grid-column: auto;
  }

  .contact-band {
    align-items: stretch;
    flex-direction: column;
  }

  .contact-button {
    min-width: 0;
  }

  .footer-nav {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .header-contact,
  .contact-button {
    transition: none;
  }
}