:root {
  --color-bg: #ffffff;
  --color-text: #111111;
  --color-muted: #5f665f;
  --color-soft: #f4f7f2;
  --color-primary: #d8ead3;
  --color-primary-dark: #23442c;
  --color-border: #d8ddd5;

  --font-base: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --container: 1120px;
  --radius: 1rem;
  --shadow: 0 1rem 3rem rgba(0, 0, 0, 0.06);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--color-primary-dark);
  outline-offset: 4px;
}

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

.narrow {
  max-width: 760px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 72px;
  padding: 0 1rem;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
}

.brand {
  font-weight: 750;
  font-size: 1.1rem;
  text-decoration: none;
}

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

.main-nav a {
  text-decoration: none;
  color: var(--color-muted);
  font-weight: 600;
}

.main-nav a:hover {
  color: var(--color-text);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  border-radius: 0.5rem;
  padding: 0.5rem 0.7rem;
  font-size: 1.3rem;
  cursor: pointer;
}

.hero {
  min-height: calc(100vh - 72px);
  display: grid;
  place-items: center;
  padding: 4rem 0;
  background: linear-gradient(180deg, var(--color-soft), #ffffff);
}

.hero-content {
  max-width: 900px;
}

.eyebrow {
  color: var(--color-primary-dark);
  font-weight: 700;
  margin-bottom: 1rem;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(3rem, 8vw, 6.5rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.hero-text {
  max-width: 760px;
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  color: var(--color-muted);
  margin-bottom: 2rem;
}

.section {
  padding: 5rem 0;
}

.section-muted {
  background: var(--color-soft);
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.card {
  min-height: 180px;
  padding: 1.5rem;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.card p {
  color: var(--color-muted);
}

.notice {
  padding: clamp(1.5rem, 4vw, 3rem);
  background: var(--color-primary);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.notice p {
  max-width: 720px;
}

.cta {
  text-align: center;
}

.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.button-group.center {
  justify-content: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0.9rem 1.4rem;
  border-radius: 999px;
  font-weight: 750;
  text-decoration: none;
  border: 2px solid transparent;
}

.button-primary {
  background: var(--color-primary-dark);
  color: #ffffff;
}

.button-primary:hover {
  background: #14291a;
}

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

.button-secondary:hover {
  border-color: var(--color-primary-dark);
}

.site-footer {
  padding: 3rem 0;
  background: #111111;
  color: #ffffff;
}

.footer-content {
  display: grid;
  gap: 0.5rem;
}

.footer-content p {
  margin: 0;
  color: #d6d6d6;
}

.footer-content strong {
  color: #ffffff;
}

.footer-content a {
  color: #ffffff;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

@media (max-width: 900px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .menu-toggle {
    display: inline-flex;
  }

  .main-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #ffffff;
    border-bottom: 1px solid var(--color-border);
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav a {
    padding: 1rem;
    border-top: 1px solid var(--color-border);
  }

  .hero {
    min-height: auto;
    padding: 5rem 0 4rem;
  }

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

  .button {
    width: 100%;
  }

  .section {
    padding: 4rem 0;
  }
}

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

/* mapa */
.map-container {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #ffffff;
}

.map-container iframe {
  display: block;
  width: 100%;
  min-height: 420px;
  border: 0;
}

.map-link {
  margin-top: 1rem;
}

@media (max-width: 720px) {
  .map-container iframe {
    height: 460px;
  }
}

/* participa */
.qr-section {
  text-align: center;
}

.qr-image {
  display: block;
  width: min(100%, 280px);
  height: auto;
  margin: 1rem auto;
  border-radius: var(--radius);
}


.action-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.action-card {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  min-height: 210px;
  padding: 1.5rem;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  box-shadow: none;
}

.action-card:hover {
  border-color: var(--color-primary-dark);
}

.action-card strong {
  font-size: 1.15rem;
  line-height: 1.25;
}

.action-card span:last-child {
  color: var(--color-muted);
}

.action-kicker {
  width: fit-content;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: var(--color-primary);
  color: var(--color-primary-dark);
  font-size: 0.85rem;
  font-weight: 700;
}

@media (max-width: 900px) {
  .action-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .action-grid {
    grid-template-columns: 1fr;
  }

  .action-card {
    min-height: auto;
  }
}