:root {
  --primary: #047F78;
  --primary-dark: #036A64;
  --accent: #C85F42;
  --navy: #242B2E;
  --bg: #F4F1F0;
  --bg-soft: #FAF8F7;
  --text: #242B2E;
  --text-muted: #5B6468;
  --border: #E7E1DF;
  --white: #FFFFFF;
  --font: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: 'Plus Jakarta Sans', system-ui, sans-serif;
  --radius: 16px;
  --shadow-soft: 0 10px 28px rgba(36,43,46,0.06);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { overflow-x: hidden; }
html[lang="es"] [data-lang="en"],
html[lang="en"] [data-lang="es"] { display: none !important; }
body {
  font-family: var(--font);
  color: var(--text);
  background: linear-gradient(180deg, var(--bg-soft) 0%, var(--white) 42%, var(--bg-soft) 100%);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: inherit; }
.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 999;
  transform: translateY(-180%);
  background: var(--navy);
  color: var(--white);
  padding: 10px 14px;
  font-weight: 800;
  text-decoration: none;
  box-shadow: var(--shadow-soft);
}
.skip-link:focus {
  transform: translateY(0);
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}
.skip-target:focus { outline: none; }
.container { max-width: 1060px; margin: 0 auto; padding: 0 28px; }

.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(250,248,247,0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(231,225,223,0.86);
}
.nav-inner { height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-mark { width: 36px; height: 36px; color: var(--primary); }
.site-nav .logo-mark { width: 164px; height: auto; max-height: 44px; object-fit: contain; }
.logo-text { font-weight: 800; font-size: 21px; color: var(--primary); letter-spacing: -0.02em; }
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 4px;
  transition: color .18s, background .18s;
}
.back-link:hover { color: var(--primary); background: rgba(4,127,120,0.08); }
.workshop-nav-actions { display: inline-flex; align-items: center; gap: 12px; margin-left: auto; }
.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  background: rgba(4,127,120,0.08);
  border: 1px solid rgba(4,127,120,0.14);
  padding: 3px;
  border-radius: 4px;
}
.lang-btn {
  border: 0;
  background: transparent;
  color: var(--text-muted);
  font: inherit;
  font-size: 12px;
  font-weight: 800;
  line-height: 1;
  padding: 7px 9px;
  border-radius: 3px;
  cursor: pointer;
}
.lang-btn.active,
.lang-btn:hover { background: var(--white); color: var(--primary); box-shadow: 0 6px 14px rgba(36,43,46,0.08); }

.hero {
  padding: 42px 0 28px;
  background:
    radial-gradient(circle at 84% 18%, rgba(4,127,120,0.12), transparent 26rem),
    linear-gradient(180deg, var(--bg-soft) 0%, var(--white) 100%);
  border-bottom: 1px solid var(--border);
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(4,127,120,0.09);
  color: var(--primary);
  font-size: 11px;
  font-weight: 800;
  padding: 5px 12px;
  border-radius: 4px;
  margin-bottom: 12px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  border: 1px solid rgba(4,127,120,0.14);
}
.section-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
h1 {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4.4vw, 48px);
  line-height: 1.06;
  color: var(--navy);
  letter-spacing: -0.035em;
  margin-bottom: 12px;
  max-width: 920px;
}
.subtitle,
.intro,
.meta-item,
.title,
.presenter { overflow-wrap: anywhere; }
.subtitle { font-size: 18px; font-weight: 750; color: var(--primary); margin-bottom: 8px; }
.intro { font-size: 16px; color: var(--text-muted); max-width: 830px; margin-bottom: 18px; }
.meta { display: flex; flex-wrap: wrap; gap: 12px; }
.meta-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 8px 12px;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 700;
  box-shadow: var(--shadow-soft);
}

.content { padding: 28px 0 80px; }
.day-title {
  font-family: var(--font-serif);
  font-size: 30px;
  line-height: 1.15;
  color: var(--navy);
  margin: 0 0 18px;
  letter-spacing: -0.02em;
}
.day-title:not(:first-child) { margin-top: 44px; }
.schedule {
  background: rgba(255,255,255,0.92);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}
.schedule-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) 220px;
  gap: 16px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  align-items: start;
}
.schedule-row:last-child { border-bottom: none; }
.schedule-row.break {
  background: rgba(4,127,120,0.055);
  color: var(--primary);
  font-weight: 800;
}
.time { font-size: 13px; font-weight: 850; color: var(--accent); letter-spacing: 0.04em; }
.title { font-family: var(--font); font-size: 14px; font-weight: 650; line-height: 1.4; color: var(--navy); }
.presenter { color: var(--text-muted); font-size: 14px; font-weight: 650; }
.session-label {
  grid-column: 1 / -1;
  color: var(--primary);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.organizers,
.note {
  margin-top: 28px;
  color: var(--text-muted);
  font-size: 15px;
}
.organizers strong,
.note strong { color: var(--navy); }

.footer {
  padding: 30px 0;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 13px;
}

@media (max-width: 760px) {
  .container { padding: 0 20px; }
  .nav-inner { height: auto; min-height: 72px; flex-direction: column; align-items: flex-start; justify-content: center; padding: 14px 0; }
  .site-nav .logo-mark { width: 128px; max-height: 38px; }
  .workshop-nav-actions { margin-left: 0; flex-wrap: wrap; }
  .hero { padding: 34px 0 24px; }
  .schedule-row { grid-template-columns: minmax(0, 1fr); gap: 5px; padding: 12px 16px; }
}