/* ============================================================
   OneVoice27 - Identidad visual
   Paleta: azul profundo institucional, verde, blanco, dorado (acento)
   Tipografia: serif para titulos, sans para texto, Noto Naskh Arabic para AR
   Mobile-first. Uso de propiedades logicas CSS para RTL real (no solo texto).
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Merriweather:wght@400;700;900&family=Source+Sans+3:wght@400;500;600;700&family=Noto+Naskh+Arabic:wght@400;500;700&display=swap');

:root {
  --color-navy: #0b2545;
  --color-navy-dark: #071a33;
  --color-green: #1f6f4a;
  --color-green-light: #e6f2ec;
  --color-gold: #c9a24b;
  --color-white: #ffffff;
  --color-ink: #1a2330;
  --color-muted: #5b6b7c;
  --color-border: #dde4ea;
  --color-bg: #f7f9fb;

  --font-serif: 'Merriweather', 'Georgia', serif;
  --font-sans: 'Source Sans 3', -apple-system, sans-serif;
  --font-arabic: 'Noto Naskh Arabic', 'Traditional Arabic', serif;

  --radius: 10px;
  --shadow-sm: 0 1px 3px rgba(11, 37, 69, 0.08);
  --shadow-md: 0 6px 20px rgba(11, 37, 69, 0.12);

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* --- Soporte RTL real: cuando dir=rtl, cambia tipografia y direccion de flujo,
   no solo el texto. Usamos propiedades logicas (margin-inline, etc.) en todo
   el sitio para que el layout completo se espeje correctamente. --- */
html[dir='rtl'] body {
  font-family: var(--font-arabic);
}
html[dir='rtl'] h1, html[dir='rtl'] h2, html[dir='rtl'] h3 {
  font-family: var(--font-arabic);
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--color-navy);
  line-height: 1.25;
  margin: 0 0 var(--space-2) 0;
}
html[dir='rtl'] h1, html[dir='rtl'] h2, html[dir='rtl'] h3, html[dir='rtl'] h4 {
  font-family: var(--font-arabic);
  font-weight: 700;
}

a { color: var(--color-green); }

.container {
  max-width: 1100px;
  margin-inline: auto;
  padding-inline: var(--space-2);
}

/* --- Header / Nav --- */
.site-header {
  background: var(--color-navy);
  color: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-2);
  gap: var(--space-2);
  flex-wrap: wrap;
}
.brand {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
html[dir='rtl'] .brand { font-family: var(--font-arabic); }
.brand .dot { color: var(--color-gold); }

.main-nav {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.main-nav a {
  color: var(--color-white);
  text-decoration: none;
  font-size: 0.95rem;
  opacity: 0.9;
  padding-block: 0.25rem;
  border-block-end: 2px solid transparent;
}
.main-nav a:hover, .main-nav a.active {
  opacity: 1;
  border-block-end-color: var(--color-gold);
}

.lang-switch {
  display: flex;
  gap: 0.25rem;
  background: rgba(255,255,255,0.08);
  border-radius: 999px;
  padding: 0.2rem;
}
.lang-switch button {
  border: none;
  background: transparent;
  color: var(--color-white);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
}
.lang-switch button.active {
  background: var(--color-gold);
  color: var(--color-navy-dark);
}

/* --- Hero --- */
.hero {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
  color: var(--color-white);
  padding-block: var(--space-5) var(--space-4);
  text-align: center;
}
.hero h1 { color: var(--color-white); font-size: clamp(1.8rem, 5vw, 2.75rem); }
.hero p { color: rgba(255,255,255,0.85); max-width: 640px; margin-inline: auto; font-size: 1.05rem; }
.hero .accent { color: var(--color-gold); }

.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  font-size: 1rem;
}
.btn-primary { background: var(--color-gold); color: var(--color-navy-dark); }
.btn-primary:hover { background: #dab55f; }
.btn-outline { background: transparent; color: var(--color-white); border: 1px solid rgba(255,255,255,0.5); }
.btn-secondary { background: var(--color-green); color: var(--color-white); }

.btn-row { display: flex; gap: var(--space-2); justify-content: center; flex-wrap: wrap; margin-top: var(--space-3); }

/* --- Sections --- */
section { padding-block: var(--space-4); }
.section-title { text-align: center; margin-bottom: var(--space-3); }
.section-title p { color: var(--color-muted); }

.grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .grid.cols-2 { grid-template-columns: 1fr 1fr; }
  .grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
  .grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
}

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
  box-shadow: var(--shadow-sm);
}
.card h3 { margin-bottom: 0.5rem; }
.card .tag {
  display: inline-block;
  background: var(--color-green-light);
  color: var(--color-green);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  margin-bottom: 0.5rem;
}

.card-accent { border-inline-start: 4px solid var(--color-gold); }

/* --- Forms --- */
.form-group { margin-bottom: var(--space-2); text-align: start; }
.form-group label { display: block; font-weight: 600; margin-bottom: 0.3rem; font-size: 0.9rem; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
}
html[dir='rtl'] .form-group input,
html[dir='rtl'] .form-group textarea { font-family: var(--font-arabic); }

/* --- Footer --- */
.site-footer {
  background: var(--color-navy-dark);
  color: rgba(255,255,255,0.75);
  padding-block: var(--space-4);
  text-align: center;
  font-size: 0.9rem;
  margin-top: var(--space-5);
}
.site-footer a { color: var(--color-gold); text-decoration: none; }

/* --- Utility --- */
.text-center { text-align: center; }
.muted { color: var(--color-muted); }
.hidden { display: none !important; }
[data-i18n] { transition: opacity 0.15s ease; }