:root {
  --color-primary: #1f5c57;
  --color-secondary: #f3aa3a;
  --color-background: #f5f3ef;
  --color-surface: #ffffff;
  --color-text: #1d1d1b;
  --color-muted: #5c5c5a;
  --color-hero-start: rgba(31, 92, 87, 0.92);
  --color-hero-end: rgba(31, 92, 87, 0.65);
  --color-intro-card-bg: rgba(31, 92, 87, 0.05);
  --color-intro-card-border: rgba(31, 92, 87, 0.1);
  --color-button-light-bg: #ffffff;
  --color-button-light-text: var(--color-primary);
  --color-button-light-shadow: rgba(31, 92, 87, 0.2);
  --border-elevated: rgba(31, 92, 87, 0.08);
  --border-muted: rgba(31, 92, 87, 0.2);
  --shadow-soft: 0 1rem 2.2rem rgba(0, 0, 0, 0.04);
  --shadow-medium: 0 1.5rem 3rem rgba(0, 0, 0, 0.06);
  --shadow-form: 0 1rem 2.5rem rgba(0, 0, 0, 0.07);
  --max-width: 1100px;
  --transition-speed: 0.2s;
  font-size: 16px;
  color-scheme: light dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  color: var(--color-text);
  background-color: var(--color-background);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

ul {
  margin: 0 0 1.5rem;
  padding-left: 1.25rem;
}

.container {
  width: min(100% - 2.5rem, var(--max-width));
  margin-inline: auto;
}

.site-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1rem;
}

.branding {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: inherit;
}

.branding:hover,
.branding:focus {
  text-decoration: none;
}

.logo {
  width: clamp(36px, 5vw, 52px);
  height: auto;
  border-radius: 10px;
  box-shadow: 0 0.35rem 0.8rem rgba(0, 0, 0, 0.08);
  background-color: #fff;
}

.logo:not(img) {
  font-size: 2rem;
}

.brand-title {
  font-weight: 700;
  letter-spacing: 0.04em;
  margin: 0;
  text-transform: uppercase;
}

.brand-subtitle {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.site-nav {
  position: relative;
}

.site-nav ul {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  font-weight: 500;
  transition: color var(--transition-speed) ease;
}

.site-nav a:hover,
.site-nav a:focus {
  color: var(--color-primary);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(0, 0, 0, 0.1);
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
}

.hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  padding-block: clamp(4rem, 8vw, 6rem);
  background-color: #0b2322;
  background-image: url('../img/hero-logo.png');
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(18, 52, 50, 0.85), rgba(3, 25, 22, 0.75));
  backdrop-filter: blur(2px);
}

.hero .container {
  display: flex;
  align-items: center;
  min-height: 40vh;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: clamp(2.2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

.hero p {
  margin-bottom: 1.5rem;
  max-width: 40ch;
}

.hero-subtitle {
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.hero-list {
  max-width: 48ch;
}

.hero-list li + li {
  margin-top: 0.5rem;
}

.hero-presentacion {
  background-image: url('../img/hero-presentacion.png');
}

.button {
  display: inline-block;
  background-color: var(--color-secondary);
  color: #1d1d1b;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.button:hover,
.button:focus {
  transform: translateY(-2px);
  box-shadow: 0 0.75rem 1.5rem rgba(0, 0, 0, 0.15);
}

.button-light {
  background-color: var(--color-button-light-bg);
  color: var(--color-button-light-text);
}

.button-light:hover,
.button-light:focus {
  box-shadow: 0 0.75rem 1.5rem var(--color-button-light-shadow);
}

.section {
  padding-block: clamp(3rem, 6vw, 5rem);
}

.section-alt {
  background-color: var(--color-surface);
}

.section-header {
  text-align: center;
  max-width: 60ch;
  margin-inline: auto 3rem;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 0.5rem;
}

.section-header p {
  color: var(--color-muted);
  margin: 0 auto 2rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.intro-links {
  background-color: var(--color-surface);
}

.intro-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.intro-grid article {
  padding: 1.75rem;
  border-radius: 1rem;
  background: var(--color-intro-card-bg);
  border: 1px solid var(--color-intro-card-border);
  box-shadow: var(--shadow-soft);
}

.page-hero {
  background: linear-gradient(135deg, rgba(245, 243, 239, 0.85), rgba(237, 230, 217, 0.95));
  padding-block: clamp(3rem, 6vw, 5rem);
  text-align: center;
}

.page-hero h1 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 3.8vw, 2.6rem);
}

.page-hero p {
  max-width: 60ch;
  margin: 0 auto;
  color: var(--page-hero-text, var(--color-muted));
}

.card {
  background: var(--color-surface);
  padding: 1.75rem;
  border-radius: 1rem;
  box-shadow: var(--shadow-medium);
  border: 1px solid var(--border-elevated);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  color: var(--color-primary);
}

.news-links-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.news-links-list li {
  margin: 0;
}

.news-link-button {
  width: 100%;
  text-align: center;
  font-weight: 700;
}

.news-card-image {
  width: 100%;
  border-radius: 0.75rem;
  object-fit: cover;
}

.news-feature {
  display: grid;
  gap: 1.25rem;
}

.news-feature-copy {
  display: grid;
  gap: 0.9rem;
}

.news-feature-copy p {
  margin: 0;
}

@media (min-width: 900px) {
  .news-feature {
    grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.95fr);
    align-items: start;
  }

  .news-feature .news-card-image {
    position: sticky;
    top: 1.25rem;
  }
}

.hero-cta {
  margin-top: 1.5rem;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
}

.team-intro {
  max-width: 75ch;
  margin: 0 auto;
  display: grid;
  gap: 1.25rem;
  font-size: 1.05rem;
  color: var(--color-text);
}

.team-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  align-items: stretch;
}

.team-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  height: 100%;
}

.team-role {
  font-weight: 600;
  color: var(--color-primary);
  margin: -0.35rem 0 0.5rem;
}

.team-card p:last-child {
  margin-bottom: 0;
}

.team-values {
  margin: 1rem 0 0;
  color: var(--color-text);
}

.team-values li + li {
  margin-top: 0.35rem;
}

.doc-list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--color-text);
  line-height: 1.7;
}

.doc-list li + li {
  margin-top: 0.4rem;
}

.doc-list ul {
  margin-top: 0.35rem;
  padding-left: 1.25rem;
}

.doc-list--compact {
  margin-top: 0.5rem;
}

.doc-heading {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.25rem;
}

.history-text {
  flex: 2 1 360px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.history-layout {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: flex-start;
}

.history-figure {
  flex: 1 1 280px;
  margin: 0;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-medium);
  border: 1px solid var(--border-elevated);
}

.history-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.section-figure {
  margin: 0 0 2rem;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-medium);
  border: 1px solid var(--border-elevated);
  background: #000;
}

.section-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.section-figure figcaption {
  margin: 0;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  color: var(--color-muted);
  background: var(--color-surface);
}

.doc-text {
  background: var(--color-surface);
  padding: 1.5rem;
  border-radius: 1rem;
  border: 1px solid var(--border-elevated);
  box-shadow: var(--shadow-medium);
  margin-bottom: 2rem;
  line-height: 1.65;
}

.doc-text p {
  margin-top: 0;
}

.doc-text p + p {
  margin-top: 1rem;
}

.history-block + .history-block {
  margin-top: 2rem;
}

.info-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1rem;
  color: var(--color-text);
}

.info-list li {
  border-left: 3px solid var(--color-secondary);
  padding-left: 1rem;
}

.cards-grid-spaced {
  margin-top: 2rem;
}

.data-table-wrapper {
  overflow-x: auto;
  border-radius: 1rem;
  border: 1px solid var(--border-elevated);
  background: var(--color-surface);
  box-shadow: var(--shadow-medium);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.data-table caption {
  text-align: left;
  font-weight: 600;
  padding: 1.5rem 1.5rem 0.5rem;
  color: var(--color-primary);
}

.data-table th,
.data-table td {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-elevated);
  vertical-align: top;
}

.data-table thead th {
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--color-muted);
}

.data-table tbody tr:nth-child(even) {
  background-color: rgba(31, 92, 87, 0.04);
}

.data-table td {
  color: var(--color-text);
}

.button-group {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.calendar-embed {
  background: var(--color-surface);
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: var(--shadow-medium);
  border: 1px solid var(--border-elevated);
}

.schedule-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  align-items: start;
}

.section-figure--calendar img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.calendar-event + .calendar-event {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-elevated);
}

.calendar-event h3 {
  margin: 0 0 0.35rem;
  color: var(--color-primary);
}

.calendar-footnote {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-top: 1.5rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.gallery-grid figure {
  margin: 0;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-medium);
  border: 1px solid var(--border-elevated);
}

.gallery-grid img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.join-form {
  background: var(--color-surface);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border-radius: 1rem;
  box-shadow: var(--shadow-form);
  border: 1px solid var(--border-muted);
  max-width: 520px;
  margin: 0 auto;
}

.form-row {
  display: flex;
  flex-direction: column;
  margin-bottom: 1.25rem;
}

.form-row label {
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.form-row input,
.form-row textarea {
  padding: 0.75rem;
  border-radius: 0.65rem;
  border: 1px solid rgba(31, 92, 87, 0.2);
  font: inherit;
  transition: border-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
  background-color: #fff;
}

.form-row input:focus,
.form-row textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(31, 92, 87, 0.15);
  outline: none;
}

.checkbox-row {
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
}

.checkbox-row input {
  width: 1.2rem;
  height: 1.2rem;
  margin: 0;
}

.legal {
  background-color: #122523;
  color: #f9f9f9;
}

.legal-block {
  max-width: 70ch;
  margin: 0 auto;
  display: grid;
  gap: 1.5rem;
}

.legal-block h2 {
  margin-bottom: 0.35rem;
  color: #fff;
}

.legal a {
  color: #f9f9f9;
  text-decoration: underline;
}

.site-footer {
  background-color: #0f1b1a;
  color: #f5f5f5;
  padding-block: 1.75rem;
  font-size: 0.95rem;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  text-align: center;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
  }

  .site-nav ul {
    position: absolute;
    right: 0;
    top: calc(100% + 0.75rem);
    flex-direction: column;
    background: var(--color-surface);
    padding: 1rem 1.5rem;
    border-radius: 1rem;
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(31, 92, 87, 0.08);
    min-width: 14rem;
    transition: opacity var(--transition-speed) ease, transform var(--transition-speed) ease;
  }

  .site-nav[data-state='closed'] ul {
    visibility: hidden;
    opacity: 0;
    transform: translateY(-0.5rem);
    pointer-events: none;
  }

  .site-nav[data-state='open'] ul {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 640px) {
  .hero .container {
    min-height: auto;
  }

  .section-header {
    margin-inline: auto;
  }

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

  .hero-cta {
    justify-content: center;
  }

  .data-table caption {
    padding: 1rem 1rem 0.25rem;
  }

  .data-table th,
  .data-table td {
    padding: 0.85rem 1rem;
  }

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

@media (prefers-color-scheme: dark) {
  :root {
    --color-background: #0f1816;
    --color-surface: #162422;
    --color-text: #f4f1e8;
    --color-muted: #bfcac6;
    --color-hero-start: rgba(10, 60, 56, 0.95);
    --color-hero-end: rgba(10, 60, 56, 0.75);
    --color-intro-card-bg: rgba(67, 110, 105, 0.28);
    --color-intro-card-border: rgba(243, 170, 58, 0.32);
    --color-button-light-bg: rgba(243, 170, 58, 0.18);
    --color-button-light-text: #fbead0;
    --color-button-light-shadow: rgba(243, 170, 58, 0.35);
    --border-elevated: rgba(243, 170, 58, 0.28);
    --border-muted: rgba(243, 170, 58, 0.35);
    --shadow-soft: 0 1.2rem 2.4rem rgba(0, 0, 0, 0.45);
    --shadow-medium: 0 1.5rem 3rem rgba(0, 0, 0, 0.4);
    --shadow-form: 0 1.2rem 3rem rgba(0, 0, 0, 0.45);
    --page-hero-text: rgba(244, 241, 232, 0.88);
  }

  body {
    background-color: var(--color-background);
    color: var(--color-text);
  }

  .site-header {
    background-color: rgba(22, 36, 34, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(14px);
  }

  .brand-subtitle {
    color: rgba(255, 255, 255, 0.68);
  }

  .logo {
    box-shadow: 0 0.4rem 0.9rem rgba(0, 0, 0, 0.35);
    background-color: rgba(255, 255, 255, 0.85);
  }

  .hero::before {
    background: linear-gradient(140deg, rgba(8, 24, 22, 0.85), rgba(46, 20, 3, 0.75));
  }

  .site-nav ul {
    background: var(--color-surface);
    border: 1px solid var(--border-elevated);
    box-shadow: var(--shadow-medium);
  }

  .section-alt {
    background-color: rgba(22, 36, 34, 0.95);
  }

  .team-placeholder {
    border-color: rgba(243, 170, 58, 0.4);
    color: rgba(255, 255, 255, 0.7);
  }

  .legal {
    background-color: #0b1412;
    color: #f4f1e8;
  }

  .legal-block h2 {
    color: #fbead0;
  }

  .page-hero {
    background: linear-gradient(135deg, rgba(20, 31, 29, 0.9), rgba(14, 24, 22, 0.96));
  }

  .legal a {
    color: #fbead0;
  }

  .site-footer {
    background-color: #081312;
    color: rgba(244, 241, 232, 0.9);
  }
}