/* ===== style.css - Expedientes de la Verdad =====
   Typography-first design con personalización completa
   Colores logo: #222222 y #57552c, acentos #676767 y #b89b4f
   Fondo claro, texto contrastante
   Max-width global: 1200px
   ================================================== */

/* ---------- Variables de diseño ---------- */
:root {
  --color-dark: #222222;
  --color-olive: #57552c;
  --color-gray: #676767;
  --color-gold: #b89b4f;
  --color-bg: #fafaf8;
  --color-text: #1e1e1e;
  --color-text-soft: #4a4a4a;
  --color-border-light: #e0ded5;
  --font-serif: 'Cardo', 'Times New Roman', Georgia, serif;
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1200px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.03), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-card: 0 8px 24px rgba(0,0,0,0.05), 0 2px 6px rgba(0,0,0,0.04);
}

/* ---------- Base & resets ---------- */
body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-weight: 400;
  line-height: 1.7;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  padding-top: 76px; /* espacio para navbar fija */
}

/* ---------- Tipografía refinada ---------- */
h1, h2, h3, h4, h5, .serif-heading {
  font-family: var(--font-serif);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-dark);
}

.display-5, .display-6 {
  font-family: var(--font-serif);
  letter-spacing: -0.015em;
}

.lead {
  font-weight: 400;
  color: var(--color-text-soft);
  line-height: 1.65;
}

.textual-block p {
  margin-bottom: 1.25rem;
  color: var(--color-text);
  font-family: var(--font-serif);
  font-size: 1.1rem;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}

.tracking-wide {
  letter-spacing: 0.08em;
}

/* ---------- Navbar personalizada ---------- */
.navbar {
  background-color: rgba(250, 250, 248, 0.96) !important;
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border-light);
  font-family: var(--font-sans);
  font-weight: 500;
}

.navbar-brand {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--color-dark) !important;
  letter-spacing: -0.02em;
}

.brand-text {
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-olive) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-link {
  color: var(--color-gray) !important;
  transition: color 0.2s ease, border-bottom 0.2s;
  margin: 0 0.15rem;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 2px solid transparent;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--color-olive) !important;
  border-bottom-color: var(--color-gold);
}

/* íconos sociales en nav */
.nav-link .bi {
  font-size: 1.25rem;
}

/* ---------- Botones personalizados ---------- */
.btn-outline-dark {
  border-color: var(--color-dark);
  color: var(--color-dark);
  font-weight: 500;
  letter-spacing: 0.03em;
}

.btn-outline-dark:hover {
  background-color: var(--color-dark);
  color: #fff;
  border-color: var(--color-dark);
}

.btn-dark {
  background-color: var(--color-dark);
  border-color: var(--color-dark);
  color: #fff;
}

.btn-dark:hover {
  background-color: var(--color-olive);
  border-color: var(--color-olive);
}

.btn-link.text-dark {
  color: var(--color-dark) !important;
}

/* ---------- Imágenes modernas ---------- */
.modern-img {
  transition: transform 0.25s ease, box-shadow 0.3s ease;
  filter: brightness(0.98) contrast(1.02);
  border: 1px solid rgba(0,0,0,0.04);
  object-fit: cover;
  width: 100%;
  height: auto;
}

.modern-img:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 30px -15px rgba(0,0,0,0.15), 0 8px 12px -6px rgba(0,0,0,0.08) !important;
}

/* Ajuste para imágenes dentro de secciones */
section img {
  max-height: 400px;
  object-position: center 30%;
}

/* ---------- Espaciado de secciones ---------- */
.section-spacing {
  padding-top: 2.5rem;
  padding-bottom: 2rem;
}

hr {
  border-top: 1px solid var(--color-border-light);
  opacity: 0.7;
}

/* ---------- Bloques textuales ---------- */
.textual-block {
  max-width: 80ch;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 768px) {
  .textual-block {
    max-width: 100%;
  }
}

/* ---------- Enlaces dentro de texto ---------- */
a:not(.btn):not(.nav-link):not(.navbar-brand) {
  color: var(--color-olive);
  text-decoration: underline;
  text-decoration-color: var(--color-gold);
  text-underline-offset: 3px;
  transition: color 0.2s;
}

a:not(.btn):not(.nav-link):not(.navbar-brand):hover {
  color: var(--color-dark);
}

/* ---------- Footer ---------- */
footer {
  font-family: var(--font-sans);
  color: var(--color-gray);
  background-color: #f4f4f0;
}

/* ---------- Utilities adicionales ---------- */
.bg-soft {
  background-color: #f4f2ec;
}

.text-muted {
  color: var(--color-gray) !important;
}

/* Línea decorativa sutil para títulos */
.serif-heading {
  position: relative;
}

.serif-heading::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background-color: var(--color-gold);
  margin-top: 0.5rem;
}

/* ---------- Responsive ajustes ---------- */
@media (max-width: 992px) {
  .navbar-collapse {
    background: rgba(250,250,248,0.98);
    padding: 1rem;
    border-radius: 0 0 8px 8px;
  }
}

/* Asegurar que los iconos grandes no desborden */
.bi {
  vertical-align: middle;
}