/* =============================================
   GONZALO JIMÉNEZ TAPIA — Estilos compartidos
   assets/css/main.css
   ============================================= */

/* ---- Variables ---- */
:root {
  --c-bg:         #f5f0e8;
  --c-bg-alt:     #ede8dc;
  --c-navy:       #0d1b2a;
  --c-navy-mid:   #1c2f4a;
  --c-gold:       #c9a84c;
  --c-gold-light: #e8c96a;
  --c-brown:      #4a3728;
  --c-text:       #2a2015;
  --c-text-soft:  #6b5a47;
  --c-white:      #ffffff;
  --c-card:       #fffcf5;
  --c-border:     #d9cdb8;

  --ff-serif: 'Playfair Display', Georgia, serif;
  --ff-sans:  'Lato', system-ui, sans-serif;

  --shadow-sm: 0 2px 8px  rgba(13,27,42,.08);
  --shadow-md: 0 6px 24px rgba(13,27,42,.12);
  --shadow-lg: 0 16px 48px rgba(13,27,42,.18);

  --radius:    6px;
  --ease:      cubic-bezier(.4,0,.2,1);
  --t:         .3s var(--ease);
  --max-w:     1140px;
}

/* ---- Filter bar (shared: artículos + podcasts) ---- */
.filter-bar {
  display:flex; flex-wrap:wrap; gap:.6rem; margin-bottom:2.75rem;
}
.filter-btn {
  font-family:var(--ff-sans); font-size:.8rem; font-weight:700;
  letter-spacing:.1em; text-transform:uppercase;
  padding:.55rem 1.2rem;
  border:2px solid var(--c-border);
  border-radius:100px; background:transparent;
  color:var(--c-text-soft); cursor:pointer;
  transition:all var(--t);
}
.filter-btn:hover { border-color:var(--c-gold); color:var(--c-gold); }
.filter-btn.active {
  background:var(--c-gold); border-color:var(--c-gold); color:var(--c-navy);
}

/* ---- Skip to content ---- */
.skip-to-content {
  position:absolute; top:-100%; left:1rem;
  padding:.5rem 1.25rem;
  background:var(--c-gold); color:var(--c-navy);
  font-family:var(--ff-sans); font-size:.88rem; font-weight:700;
  border-radius:0 0 var(--radius) var(--radius);
  z-index:9999; transition:top .2s var(--ease);
  text-decoration:none; letter-spacing:.04em;
}
.skip-to-content:focus { top:0; outline:none; }

/* ---- Reset ---- */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; font-size:16px; }
body { font-family:var(--ff-sans); background:var(--c-bg); color:var(--c-text); line-height:1.75; overflow-x:hidden; }
img  { display:block; max-width:100%; height:auto; }
a    { color:inherit; text-decoration:none; }
ul   { list-style:none; }

/* ---- Container ---- */
.container {
  width:100%; max-width:var(--max-w);
  margin:0 auto; padding:0 2rem;
}

/* ---- Section base ---- */
.section { padding:96px 0; }

.section-eyebrow {
  font-family:var(--ff-sans);
  font-size:.78rem; font-weight:700;
  letter-spacing:.25em; text-transform:uppercase;
  color:var(--c-gold); margin-bottom:.75rem;
  display:block;
}
.section-eyebrow.light { color:var(--c-gold-light); }

.section-title {
  font-family:var(--ff-serif);
  font-size:clamp(2rem,4vw,3rem); font-weight:700;
  color:var(--c-navy); line-height:1.15; margin-bottom:1.25rem;
}
.section-title.light { color:var(--c-white); }
.section-title em    { font-style:italic; color:var(--c-gold); }

.section-intro {
  max-width:640px; font-size:1.05rem;
  color:var(--c-text-soft); margin-bottom:3rem;
}

.divider {
  width:60px; height:3px;
  background:var(--c-gold); margin-bottom:2rem;
  border-radius:2px;
}
.divider.light { background:var(--c-gold-light); }

/* ---- Buttons ---- */
.btn {
  display:inline-flex; align-items:center; gap:.5rem;
  font-family:var(--ff-sans); font-size:.9rem; font-weight:700;
  letter-spacing:.05em; padding:.85rem 1.8rem;
  border-radius:var(--radius); border:2px solid transparent;
  cursor:pointer; transition:all var(--t); line-height:1;
}
.btn-primary {
  background:var(--c-gold); color:var(--c-navy); border-color:var(--c-gold);
}
.btn-primary:hover {
  background:var(--c-gold-light); border-color:var(--c-gold-light);
  transform:translateY(-2px); box-shadow:0 6px 20px rgba(201,168,76,.35);
}
.btn-outline {
  background:transparent; color:var(--c-navy); border-color:var(--c-navy);
}
.btn-outline:hover {
  background:var(--c-navy); color:var(--c-white); transform:translateY(-2px);
}
.btn-outline.light {
  color:var(--c-white); border-color:rgba(255,255,255,.5);
}
.btn-outline.light:hover {
  background:rgba(255,255,255,.1); border-color:var(--c-white);
}
.btn-gold {
  background:var(--c-gold); color:var(--c-navy);
  border-color:var(--c-gold); font-weight:700;
}
.btn-gold:hover {
  background:var(--c-gold-light); transform:translateY(-2px);
  box-shadow:0 6px 20px rgba(201,168,76,.4);
}
.btn-sm { font-size:.8rem; padding:.6rem 1.2rem; }

/* ============================================
   HEADER
   ============================================ */
#site-header {
  position:fixed; top:0; left:0; right:0; z-index:1000;
  padding:1.25rem 0;
  transition:background var(--t), box-shadow var(--t), padding var(--t);
}
#site-header.scrolled {
  background:rgba(13,27,42,.97);
  backdrop-filter:blur(10px);
  box-shadow:0 2px 20px rgba(0,0,0,.3);
  padding:.85rem 0;
}
/* On interior pages the header is always solid */
#site-header.solid {
  background:rgba(13,27,42,.97);
  box-shadow:0 2px 20px rgba(0,0,0,.3);
}

.header-inner {
  max-width:var(--max-w); margin:0 auto; padding:0 2rem;
  display:flex; align-items:center; justify-content:space-between; gap:2rem;
}

/* Logo */
.logo { display:flex; align-items:center; gap:.9rem; flex-shrink:0; }

.logo-monogram {
  width:42px; height:42px;
  display:flex; align-items:center; justify-content:center;
  background:var(--c-gold); color:var(--c-navy);
  font-family:var(--ff-serif); font-size:.95rem; font-weight:700;
  letter-spacing:.05em; border-radius:3px; flex-shrink:0;
}
.logo-name {
  font-family:var(--ff-serif); font-size:1.05rem; font-weight:600;
  color:var(--c-white); line-height:1.1; letter-spacing:.02em;
}

/* Nav */
.main-nav ul { display:flex; align-items:center; gap:.25rem; }

.nav-link {
  font-size:.88rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase;
  color:rgba(255,255,255,.75); padding:.5rem .9rem; border-radius:var(--radius);
  transition:color var(--t); position:relative;
}
.nav-link::after {
  content:''; position:absolute;
  bottom:4px; left:.9rem; right:.9rem;
  height:2px; background:var(--c-gold);
  transform:scaleX(0); transform-origin:left;
  transition:transform var(--t); border-radius:1px;
}
.nav-link:hover,
.nav-link.active { color:var(--c-white); }
.nav-link:hover::after,
.nav-link.active::after { transform:scaleX(1); }

/* Nav CTA — Contacto highlighted link */
.nav-link-highlight {
  border:1.5px solid rgba(201,168,76,.55);
  color:var(--c-gold) !important;
  padding:.42rem 1rem;
  border-radius:100px;
  margin-left:.35rem;
}
.nav-link-highlight::after { display:none; }
.nav-link-highlight:hover {
  background:var(--c-gold); color:var(--c-navy) !important;
  border-color:var(--c-gold);
}
.nav-link-highlight.active {
  background:var(--c-gold); color:var(--c-navy) !important;
  border-color:var(--c-gold);
}

/* Hamburger */
.nav-toggle {
  display:none; flex-direction:column; gap:5px;
  background:none; border:none; cursor:pointer;
  padding:6px; border-radius:var(--radius);
}
.nav-toggle span {
  display:block; width:24px; height:2px;
  background:var(--c-white); border-radius:2px;
  transition:all var(--t);
}
.nav-toggle.open span:nth-child(1) { transform:translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity:0; transform:scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform:translateY(-7px) rotate(-45deg); }

/* ============================================
   PAGE HERO (inner pages banner)
   ============================================ */
.page-hero {
  padding:160px 0 80px;
  background: linear-gradient(150deg, var(--c-navy) 0%, var(--c-navy-mid) 60%, var(--c-brown) 100%);
  position:relative; overflow:hidden; text-align:center;
}
.page-hero::before {
  content:'';
  position:absolute; inset:0;
  background:radial-gradient(ellipse at center, rgba(201,168,76,.08) 0%, transparent 70%);
  pointer-events:none;
}
.page-hero-inner { position:relative; z-index:2; }
.page-hero-title {
  font-family:var(--ff-serif);
  font-size:clamp(2.5rem,5vw,4rem); font-weight:700;
  color:var(--c-white); line-height:1.1; margin-bottom:.75rem;
}
.page-hero-sub {
  font-size:1.05rem; color:rgba(255,255,255,.6);
  font-weight:300; letter-spacing:.06em;
}

/* ============================================
   FOOTER
   ============================================ */
#footer {
  background: var(--c-navy);
  color: rgba(255, 255, 255, .6);
}

.footer-inner {
  padding: 3rem 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem 2rem;
}
.footer-brand { flex-shrink: 0; }
.footer-nav { flex: 1; min-width: 200px; }
.footer-social { flex-shrink: 0; }

.footer-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.footer-brand .logo-monogram {
  width: 44px;
  height: 44px;
  font-size: 0.95rem;
  flex-shrink: 0;
}
.footer-brand p {
  font-family: var(--ff-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-white);
  margin-bottom: 0.15rem;
}
.footer-tagline {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, .45) !important;
  font-family: var(--ff-sans) !important;
}

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.5rem;
  justify-content: center;
}
.footer-nav a {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, .55);
  padding: 0.35rem 0.6rem;
  border-radius: 4px;
  transition: color var(--t), background var(--t);
}
.footer-nav a:hover,
.footer-nav a.active {
  color: var(--c-gold);
  background: rgba(255, 255, 255, .04);
}

.footer-social {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  max-width: 220px;
}
.footer-social .footer-social-label { margin: 0; }
.footer-social-links { flex-shrink: 0; }
.footer-social-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-gold);
  flex-shrink: 0;
}
.footer-social-links {
  display: flex;
  gap: 0.5rem;
}
.footer-social-links a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 6px;
  color: rgba(255, 255, 255, .65);
  transition: all var(--t);
}
.footer-social-links a svg { width: 16px; height: 16px; }
.footer-social-links a:hover {
  background: rgba(201, 168, 76, .15);
  border-color: var(--c-gold);
  color: var(--c-gold);
  transform: translateY(-2px);
}
.footer-email {
  flex-basis: 100%;
  text-align: right;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, .45);
  transition: color var(--t);
  word-break: break-all;
}
.footer-email:hover { color: var(--c-gold); }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 1.25rem 0;
}
.footer-bottom p {
  text-align: center;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, .3);
  letter-spacing: 0.03em;
}

/* ============================================
   SCROLL REVEAL
   ============================================ */
[data-reveal] {
  opacity:0; transform:translateY(24px);
  transition:opacity .65s ease, transform .65s ease;
}
[data-reveal].visible   { opacity:1; transform:translateY(0); }
[data-reveal-d="1"]     { transition-delay:.1s; }
[data-reveal-d="2"]     { transition-delay:.2s; }
[data-reveal-d="3"]     { transition-delay:.3s; }
[data-reveal-d="4"]     { transition-delay:.4s; }

/* ============================================
   RESPONSIVE — shared
   ============================================ */
@media (max-width:768px) {
  .section { padding:64px 0; }

  .nav-toggle { display:flex; z-index:1001; }

  .main-nav {
    position:fixed; top:0; right:0; bottom:0;
    width:min(320px,85vw); background:var(--c-navy);
    padding:5rem 2rem 2rem;
    transform:translateX(100%);
    transition:transform var(--t);
    z-index:999;
    box-shadow:-4px 0 24px rgba(0,0,0,.3);
  }
  .main-nav.open { transform:translateX(0); }
  .main-nav ul { flex-direction:column; align-items:flex-start; gap:.25rem; }
  .nav-link    { font-size:1rem; padding:.75rem .5rem; width:100%; }

  .footer-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.75rem;
    padding: 2.5rem 0;
  }
  .footer-brand { flex-direction: column; gap: 0.5rem; }
  .footer-brand .logo-monogram { margin-bottom: 0; }
  .footer-nav ul { justify-content: center; }
  .footer-social {
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    max-width: none;
  }
  .footer-social .footer-email { text-align: center; }

  .page-hero { padding:140px 0 64px; }
  .page-hero-title { font-size:clamp(2rem,10vw,3rem); }
}