:root {
  --color-brand: #2388cd;
  --color-brand-dark: #1178bb;
  --color-link: #0088cc;
  --color-link-hover: #005f8f;
  --color-page: #f1f3f4;
  --color-surface: #ffffff;
  --color-surface-soft: #f5f5f5;
  --color-form-surface: #eeeeee;
  --color-border: #e5e5e5;
  --color-border-strong: #d6d6d6;
  --color-text: #333333;
  --color-muted: #8b8b8b;

  --font-base: Arial, Helvetica, sans-serif;
  --site-width: 980px;
  --space-page-x: 32px;
  --radius-sm: 3px;
  --radius-md: 4px;
  --shadow-panel: 0 1px 3px rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  border-top: 4px solid var(--color-brand-dark);
  background: var(--color-page);
  color: var(--color-text);
  font-family: var(--font-base);
  font-size: 16px;
  line-height: 1.25;
}

img {
  max-width: 100%;
  height: auto;
}

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

a:hover,
a:focus {
  color: var(--color-link-hover);
  text-decoration: underline;
}

button,
input,
select,
textarea {
  font: inherit;
}

/* Layout shell */
.page-shell,
.site-footer {
  width: min(var(--site-width), calc(100% - var(--space-page-x)));
  margin: 24px auto 0;
}

.page-shell {
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-panel);
}

.site-header {
  padding: 24px 20px 0;
}

.content-panel {
  padding: 10px 20px 28px;
}

.site-footer {
  margin-top: 18px;
  padding: 18px 0 28px;
  border-top: 1px solid #dcdcdc;
  font-size: 13px;
}

.footer-inner {
  display: flex;
  gap: 24px;
  justify-content: space-between;
}

.site-footer p {
  margin: 0 0 10px;
}

/* Header and navigation */
.brand {
  display: inline-block;
  margin: 0 0 26px 18px;
}

.brand img {
  display: block;
  width: 315px;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
  align-items: center;
  border-top: 1px solid var(--color-border);
  padding: 8px 0 12px;
}

.main-nav a,
.nav-trigger {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 7px 12px;
  border: 0;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-link);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a:focus,
.nav-trigger:hover,
.nav-trigger:focus {
  background: #f2f7fb;
  text-decoration: none;
}

.main-nav a.active,
.nav-trigger.active {
  background: var(--color-brand);
  color: #ffffff;
}

.nav-group {
  position: relative;
}

.nav-trigger::after {
  content: "";
  width: 0;
  height: 0;
  margin-left: 7px;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
}

.sub-nav {
  position: absolute;
  z-index: 10;
  top: calc(100% + 4px);
  left: 0;
  min-width: 180px;
  padding: 6px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  box-shadow: var(--shadow-panel);
}

.sub-nav[hidden] {
  display: none;
}

.sub-nav:not([hidden]) {
  opacity: 0;
  animation: dropdown-in 120ms ease forwards;
  transform: translateY(-4px);
}

@keyframes dropdown-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.sub-nav a {
  display: block;
  min-height: auto;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  line-height: 1.2;
}

/* Shared components */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  min-height: 34px;
  margin-bottom: 16px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  background: var(--color-surface-soft);
  color: var(--color-muted);
  font-size: 13px;
}

.breadcrumb strong {
  color: #9a9a9a;
  font-weight: 400;
}

.page-banner {
  display: block;
  width: 100%;
  height: 180px;
  margin-bottom: 18px;
  object-fit: cover;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 7px 14px;
  border: 1px solid var(--color-brand-dark);
  border-radius: var(--radius-md);
  background: var(--color-brand);
  color: #ffffff;
  font-size: 14px;
  line-height: 1;
}

.button:hover,
.button:focus {
  background: var(--color-brand-dark);
  color: #ffffff;
  text-decoration: none;
}

.notice-panel {
  padding: 18px 20px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface-soft);
}

/* Text content */
.copy-section h1,
.page-title {
  margin: 0 0 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-brand);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.15;
  text-transform: uppercase;
}

.copy-section h2,
.section-title {
  margin: 24px 0 12px;
  color: var(--color-text);
  font-size: 16px;
  font-weight: 700;
  text-transform: uppercase;
}

.copy-section p,
.flow p {
  margin: 0 0 12px;
  font-size: 16px;
}

.copy-section p:last-child,
.flow > :last-child {
  margin-bottom: 0;
}

.text-muted {
  color: var(--color-muted);
}

/* Content patterns for upcoming pages */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  padding-top: 20px;
}

.service-item h2 {
  margin: 0 0 12px;
  color: var(--color-text);
  font-size: 17px;
  line-height: 1.2;
}

.service-item ul {
  margin: 0;
  padding-left: 18px;
}

.service-item li {
  margin-bottom: 9px;
}

.static-form {
  padding: 24px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-form-surface);
}

.form-row {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 14px 18px;
  align-items: center;
  margin-bottom: 16px;
}

.form-row label {
  text-align: right;
}

.form-control {
  width: 100%;
  min-height: 30px;
  border: 1px solid #bfbfbf;
  border-radius: 2px;
  background: #ffffff;
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

.required {
  color: #d00000;
}

/* Responsive rules */
@media (max-width: 780px) {
  .service-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
}

@media (max-width: 720px) {
  :root {
    --space-page-x: 20px;
  }

  .page-shell,
  .site-footer {
    margin-top: 10px;
  }

  .site-header {
    padding: 18px 14px 0;
  }

  .brand {
    margin-left: 0;
    margin-bottom: 18px;
  }

  .main-nav {
    align-items: stretch;
  }

  .main-nav a,
  .nav-group {
    flex: 1 1 180px;
  }

  .nav-trigger {
    justify-content: center;
    width: 100%;
  }

  .main-nav a {
    justify-content: center;
  }

  .sub-nav {
    position: static;
    min-width: 0;
    margin-top: 4px;
    padding: 0;
    border: 0;
    box-shadow: none;
    opacity: 1;
    transform: none;
    animation: none;
  }

  .sub-nav a {
    justify-content: center;
    background: #f5f5f5;
    font-size: 12px;
  }

  .content-panel {
    padding: 10px 14px 22px;
  }

  .page-banner {
    height: auto;
    aspect-ratio: 1024 / 180;
  }

  .copy-section h1,
  .page-title {
    font-size: 22px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .form-row label {
    text-align: left;
  }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
  }
}

@media (max-width: 420px) {
  body {
    font-size: 15px;
  }

  .main-nav a,
  .nav-group {
    flex-basis: 100%;
  }

  .breadcrumb {
    padding: 8px 12px;
  }

  .copy-section h1,
  .page-title {
    font-size: 20px;
  }

  .copy-section p,
  .flow p {
    font-size: 15px;
  }
}