:root {
  --color-bg: #fffdf7;
  --color-surface: #ffffff;
  --color-surface-strong: #f7f4e8;
  --color-text: #182117;
  --color-muted: #4f5b4d;
  --color-border: #d9ddcf;
  --color-accent-yellow: #fdb913;
  --color-accent-green: #006a44;
  --color-accent-red: #c1272d;
  --shadow-soft: 0 12px 30px rgba(0, 0, 0, 0.08);
  --radius: 18px;
  --container: 1120px;
  --transition: 180ms ease;
}

body[data-theme="dark"] {
  --color-bg: #111513;
  --color-surface: #161d1a;
  --color-surface-strong: #1d2622;
  --color-text: #f2f4ed;
  --color-muted: #c1c8bd;
  --color-border: #334039;
  --shadow-soft: 0 16px 36px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  transition: background-color var(--transition), color var(--transition);
}

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

code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.95em;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}

.narrow {
  width: min(calc(100% - 2rem), 860px);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  background: var(--color-surface);
  color: var(--color-text);
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  border: 1px solid var(--color-border);
  z-index: 999;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--color-bg) 82%, transparent);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 700;
}

.brand-mark {
  width: 1rem;
  height: 1rem;
  border-radius: 999px;
  background: linear-gradient(
    180deg,
    var(--color-accent-yellow) 0%,
    var(--color-accent-yellow) 33.33%,
    var(--color-accent-green) 33.33%,
    var(--color-accent-green) 66.66%,
    var(--color-accent-red) 66.66%,
    var(--color-accent-red) 100%
  );
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-accent-yellow) 14%, transparent);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-toggle {
  display: none;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu a,
.theme-toggle,
.nav-toggle,
.button {
  border-radius: 999px;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.nav-menu a {
  display: inline-block;
  text-decoration: none;
  color: var(--color-text);
  padding: 0.65rem 1rem;
}

.nav-menu a:hover,
.nav-menu a:focus-visible,
.theme-toggle:hover,
.theme-toggle:focus-visible,
.nav-toggle:hover,
.nav-toggle:focus-visible {
  border-color: var(--color-accent-green);
  outline: none;
}

.nav-menu a.active {
  background: var(--color-surface-strong);
  border-color: var(--color-accent-green);
}

.theme-toggle,
.nav-toggle {
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  padding: 0.65rem 1rem;
  font: inherit;
}

.hero {
  padding: 4rem 0 2rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  margin: 0 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.83rem;
  color: var(--color-accent-green);
  font-weight: 700;
}

h1,
h2 {
  line-height: 1.15;
  margin: 0 0 1rem;
}

h1 {
  font-size: clamp(2.3rem, 6vw, 4.2rem);
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
}

.lead {
  font-size: 1.1rem;
  color: var(--color-muted);
  max-width: 62ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.85rem 1.3rem;
  text-decoration: none;
  font-weight: 700;
}

.button-primary {
  background: var(--color-accent-green);
  border-color: var(--color-accent-green);
  color: #ffffff;
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #005539;
  border-color: #005539;
}

.button-secondary {
  background: var(--color-surface);
  color: var(--color-text);
}

.hero-figure {
  margin: 0;
}

.hero-figure img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.section {
  padding: 2rem 0 4rem;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 1.5rem;
}

.player-card {
  padding: 1.25rem;
}

.audio-player {
  width: 100%;
}

.anthem-card {
  display: grid;
  gap: 1.5rem;
}

.anthem-stanza {
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.anthem-stanza:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.anthem-stanza p {
  margin: 0;
  font-size: 1.08rem;
}

.source-list {
  margin: 0;
  padding-left: 1.25rem;
}

.source-list li + li {
  margin-top: 0.9rem;
}

.source-list a,
.contact-email a,
.site-footer a {
  color: var(--color-accent-green);
}

.contact-email {
  font-size: 1.15rem;
  font-weight: 700;
}

.site-footer {
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.5rem 0 2rem;
}

@media (max-width: 860px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .header-inner {
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
  }

  .nav-menu {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding-top: 0.75rem;
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-menu a {
    width: 100%;
    text-align: center;
  }
}

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

  *, *::before, *::after {
    transition: none !important;
  }
}