:root {
  --color-brand: #17324d;
  --color-brand-2: #214664;
  --color-brand-3: #2c5f83;
  --color-accent: #c79a4a;
  --color-accent-border: #cba867;
  --color-bg: #f6f4ef;
  --color-surface: #ffffff;
  --color-surface-warm: #fffdfa;
  --color-text: #18222b;
  --color-text-muted: #4a5b6a;
  --color-text-link: #1e5f90;
  --color-button-text: #1e2a34;
  --color-border: #d9e0e6;
  --color-field-border: #a5b4c1;
  --color-focus: #2d6288;
  --color-footer-bg: #102535;
  --color-footer-text: #f4f7fb;
  --color-footer-link: #f1e0bd;
  --color-footer-copy: #d9e4ee;
  --color-submenu-bg: #112538;
  --color-submenu-border: #31536b;
  --color-brand-glow-a: #e6dcc7;
  --color-brand-glow-b: #d9e6ee;
  --color-nav-tint: #ffffff1a;
  --color-nav-divider: #ffffff1f;
  --color-nav-line: #ffffff33;
  --color-nav-button-border: #ffffff66;
  --color-brand-light: #f6ddaf;
  --color-hero-shadow: #0c1f310d;
  --color-cta-text: #f8fbff;
  --font-heading: Georgia, "Times New Roman", serif;
  --font-body: "Trebuchet MS", "Segoe UI", sans-serif;
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --radius: 0.5rem;
  --nav-bg: var(--color-brand);
  --nav-accent: var(--color-accent);
  --nav-height: 70px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background:
    radial-gradient(circle at 5% 10%, var(--color-brand-glow-a) 0, transparent 30%),
    radial-gradient(circle at 95% 0, var(--color-brand-glow-b) 0, transparent 30%),
    var(--color-bg);
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-header {
  background: var(--nav-bg);
  color: var(--color-surface);
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 3px solid var(--nav-accent);
}

.header-inner {
  min-height: var(--nav-height);
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  max-width: min(60ch, 100%);
}

.brand__logo {
  width: 56px;
  height: 56px;
  object-fit: contain;
  border-radius: 0.35rem;
  background: var(--color-surface);
  padding: 0.25rem;
  flex-shrink: 0;
}

.brand__text {
  display: inline-flex;
  flex-direction: column;
  gap: 0.15rem;
}

.brand__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}

.brand__subtitle {
  font-size: 0.8rem;
  color: var(--color-brand-light);
}

@media (max-width: 700px) {
  .brand {
    gap: 0.7rem;
  }

  .brand__logo {
    width: 44px;
    height: 44px;
  }

  .brand__title {
    font-size: 0.95rem;
  }

  .brand__subtitle {
    font-size: 0.72rem;
  }
}

.hamburger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.3rem;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--color-nav-button-border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--color-surface);
}

.hamburger span {
  width: 1.4rem;
  height: 0.13rem;
  background: currentColor;
  margin: 0 auto;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.main-nav {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  background: var(--nav-bg);
  border-top: 1px solid var(--color-nav-line);
}

body.nav-open .main-nav {
  display: block;
}

.nav-list,
.submenu,
.plain-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list > li > a,
.submenu a {
  display: block;
  text-decoration: none;
  padding: 0.85rem var(--space-3);
}

.nav-list > li > a:hover,
.nav-list > li > a:focus-visible,
.submenu a:hover,
.submenu a:focus-visible,
.nav-list a.active {
  background: var(--color-nav-tint);
  color: var(--color-surface);
}

.has-submenu > a {
  border-bottom: 1px solid var(--color-nav-divider);
}

.submenu {
  display: none;
  background: var(--color-submenu-bg);
}

.has-submenu.open > .submenu {
  display: block;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--space-5) var(--space-3) var(--space-6);
}

.hero {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) * 1.5);
  overflow: hidden;
  box-shadow: 0 12px 24px var(--color-hero-shadow);
}

.hero-img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  display: block;
}

.hero-content {
  padding: var(--space-4);
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  line-height: 1.2;
}

h1 {
  font-size: 1.9rem;
  margin: 0 0 var(--space-2);
}

h2 {
  font-size: 1.45rem;
  margin: 0 0 var(--space-2);
}

h3 {
  font-size: 1.2rem;
  margin: 0 0 var(--space-1);
}

p {
  margin: 0 0 var(--space-3);
  color: var(--color-text);
}

.section {
  margin-top: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-4);
}

.section--narrow {
  max-width: 900px;
}

.split {
  display: grid;
  gap: var(--space-4);
}

.split figure,
.section figure {
  margin: 0;
}

.section img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

figcaption {
  margin-top: var(--space-1);
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.cards {
  display: grid;
  gap: var(--space-3);
}

.card,
.event-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
  background: var(--color-surface-warm);
}

.cta {
  margin-top: var(--space-5);
  border-radius: var(--radius);
  border: 1px solid var(--color-accent-border);
  background: linear-gradient(120deg, var(--color-brand) 0%, var(--color-brand-2) 58%, var(--color-brand-3) 100%);
  color: var(--color-surface);
  padding: var(--space-5);
}

.cta p {
  color: var(--color-cta-text);
}

.btn-primary {
  display: inline-block;
  text-decoration: none;
  background: var(--color-accent);
  color: var(--color-button-text);
  font-weight: 700;
  padding: 0.7rem 1.1rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  filter: brightness(0.95);
}

.text-link {
  color: var(--color-text-link);
  font-weight: 700;
}

.contact-form {
  display: grid;
  gap: var(--space-3);
}

.form-grid {
  display: grid;
  gap: var(--space-3);
}

label {
  font-weight: 700;
  display: block;
  margin-bottom: 0.3rem;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--color-field-border);
  border-radius: 0.35rem;
  padding: 0.7rem;
  font: inherit;
}

input:focus,
textarea:focus {
  outline: 2px solid var(--color-focus);
  outline-offset: 1px;
}

.site-footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  border-top: 4px solid var(--color-accent);
  margin-top: var(--space-6);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--space-5) var(--space-3);
  display: grid;
  gap: var(--space-4);
}

.footer-block h2 {
  font-size: 1.1rem;
  margin-bottom: var(--space-2);
}

.footer-block a {
  color: var(--color-footer-link);
}

.footer-copy {
  margin: 0;
  padding: 0 var(--space-3) var(--space-4);
  text-align: center;
  color: var(--color-footer-copy);
}

@media (min-width: 760px) {
  .hamburger {
    display: none;
  }

  .main-nav {
    display: block;
    position: static;
    border-top: none;
    background: transparent;
  }

  .nav-list {
    display: flex;
    align-items: center;
    gap: 0.2rem;
  }

  .nav-list > li {
    position: relative;
  }

  .nav-list > li > a {
    border-bottom: none;
    border-radius: 0.3rem;
  }

  .submenu {
    position: absolute;
    left: 0;
    top: 100%;
    min-width: 210px;
    z-index: 30;
    border: 1px solid var(--color-submenu-border);
    border-radius: 0.35rem;
    overflow: hidden;
  }

  .has-submenu:hover > .submenu,
  .has-submenu:focus-within > .submenu {
    display: block;
  }

  .split {
    grid-template-columns: 1.15fr 1fr;
    align-items: start;
  }

  .cards {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .footer-inner {
    grid-template-columns: 1.2fr 1fr 1fr;
  }
}