/* =========================================================
   Contó la princesa — Sistema de diseño
   Identidad: tinta negra hecha a mano sobre papel crema,
   con acentos cálidos tomados de la paleta del mural.
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
  /* Base — papel e tinta */
  --paper:        #FAF5EC;   /* fondo papel crema */
  --paper-2:      #F3EADA;   /* papel un tono más cálido (secciones) */
  --ink:          #1F1B16;   /* tinta casi negra (texto principal) */
  --ink-soft:     #6B6256;   /* texto secundario */
  --line:         #E3DAC9;   /* hairlines / bordes */

  /* Acentos — paleta del mural por continente */
  --c-mar:        #7F96A8;
  --c-namerica:   #E6D2A8;
  --c-samerica:   #C9C38A;
  --c-africa:     #E6A86E;
  --c-europa:     #EED48F;
  --c-asia:       #DAD7A8;
  --c-oceania:    #D9D9D9;

  /* Acento principal (CTA) — terracota derivado del cálido del mural */
  --accent:       #D98E4A;
  --accent-ink:   #8A4F1E;

  /* Tipografía */
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body:    "Nunito Sans", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

  /* Escala y ritmo */
  --maxw:         1180px;
  --gutter:       clamp(1.1rem, 4vw, 2.5rem);
  --radius:       14px;
  --radius-sm:    9px;
  --shadow:       0 6px 24px rgba(31, 27, 22, 0.08);
  --shadow-soft:  0 2px 10px rgba(31, 27, 22, 0.06);
  --transition:   180ms ease;
}

/* ---------- Reset suave ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.075rem);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, picture, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Tipografía ---------- */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0 0 0.4em;
}
h1 { font-size: clamp(2.1rem, 1.4rem + 3.2vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 1.2rem + 1.8vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 1.05rem + 0.7vw, 1.45rem); }
p  { margin: 0 0 1rem; max-width: 62ch; }
.lead { font-size: 1.15rem; color: var(--ink-soft); }
.eyebrow {
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-ink);
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: clamp(3rem, 2rem + 6vw, 6rem); }
.section--alt { background: var(--paper-2); }
.center { text-align: center; }
.stack > * + * { margin-top: 1rem; }

/* ---------- Header / Navegación ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 68px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.brand img.brand__crown { height: 34px; width: auto; }
.brand img.brand__text  { height: 22px; width: auto; }
.brand:hover { opacity: 0.85; }

.nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2rem);
}
.nav a {
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--ink-soft);
  padding: 0.35rem 0;
  position: relative;
  transition: color var(--transition);
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}
.nav a:hover::after, .nav a[aria-current="page"]::after { width: 100%; }

/* Botón menú móvil */
.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: var(--radius-sm);
  width: 44px; height: 44px;
  align-items: center;
  justify-content: center;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 20px; height: 2px;
  background: var(--ink);
  position: relative;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after  { position: absolute; top: 6px; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.4rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.98rem;
  border: 1.5px solid transparent;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}
.btn--primary { background: var(--accent); color: #fff; box-shadow: var(--shadow-soft); }
.btn--primary:hover { background: var(--accent-ink); transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--paper); }

/* ---------- Hero ---------- */
.hero {
  text-align: center;
  padding-block: clamp(3.5rem, 2rem + 9vw, 8rem);
  background:
    radial-gradient(60% 90% at 50% -10%, color-mix(in srgb, var(--c-europa) 35%, transparent), transparent 70%),
    var(--paper);
}
.hero__crown { height: 64px; width: auto; margin: 0 auto 1.2rem; }
.hero h1 { max-width: 16ch; margin-inline: auto; }
.hero .lead { max-width: 48ch; margin: 1rem auto 1.8rem; }
.hero__actions { display: flex; gap: 0.8rem; justify-content: center; flex-wrap: wrap; }
.hero__featured { margin-top: clamp(2rem, 4vw, 3rem); }
.hero__featured a {
  display: block;
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.hero__featured img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 400ms ease;
}
.hero__featured a:hover img { transform: scale(1.03); }
.hero__featured-cap {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  background: rgba(31, 27, 22, 0.72);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  backdrop-filter: blur(2px);
}

/* ---------- Etiquetas de categoría ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
}
.tag::before {
  content: "";
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--dot, var(--ink-soft));
}
a.tag { transition: border-color var(--transition), color var(--transition), transform var(--transition); }
a.tag:hover { border-color: var(--ink); color: var(--ink); transform: translateY(-1px); }
.tag[data-cat="INI"] { --dot: var(--c-mar); }
.tag[data-cat="INA"] { --dot: var(--c-africa); }
.tag[data-cat="INF"] { --dot: var(--c-samerica); }
.tag[data-cat="COM"] { --dot: var(--c-namerica); }
.tag[data-cat="ESP"] { --dot: var(--accent); }
.tag[data-cat="CUA"] { --dot: var(--c-europa); }
.tag[data-cat="DIG"] { --dot: var(--c-asia); }
.tag[data-cat="HOG"] { --dot: var(--c-oceania); }
.tag[data-cat="APL"] { --dot: var(--ink); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--paper-2);
  padding-block: 2.5rem;
}
.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
}
.site-footer img { height: 20px; width: auto; opacity: 0.85; }
.site-footer small { color: var(--ink-soft); }
.footer-social {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}
.footer-social a {
  color: var(--ink-soft);
  transition: color 0.2s;
  display: flex;
  align-items: center;
}
.footer-social a:hover { color: var(--ink); }

/* ---------- Utilidades ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 0.6rem 1rem;
  border-radius: 0 0 8px 0;
  z-index: 100;
}
.skip-link:focus { left: 0; }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ---------- Portafolio: filtros ---------- */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}
.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.92rem;
  font-weight: 700;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-soft);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.filter-btn::before {
  content: "";
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--dot, transparent);
}
.filter-btn[data-cat="all"]::before { display: none; }
.filter-btn:hover { color: var(--ink); border-color: var(--ink-soft); }
.filter-btn[aria-pressed="true"] {
  color: var(--ink);
  background: var(--paper-2);
  border-color: var(--ink);
}
.filter-btn[data-cat="INI"] { --dot: var(--c-mar); }
.filter-btn[data-cat="INA"] { --dot: var(--c-africa); }
.filter-btn[data-cat="INF"] { --dot: var(--c-samerica); }
.filter-btn[data-cat="COM"] { --dot: var(--c-namerica); }
.filter-btn[data-cat="ESP"] { --dot: var(--accent); }
.filter-btn[data-cat="CUA"] { --dot: var(--c-europa); }
.filter-btn[data-cat="DIG"] { --dot: var(--c-asia); }
.filter-btn[data-cat="HOG"] { --dot: var(--c-oceania); }
.filter-btn[data-cat="APL"] { --dot: var(--ink); }

/* ---------- Portafolio: grilla y tarjetas ---------- */
.grid-projects {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: clamp(1rem, 2.5vw, 1.6rem);
}
.project-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  text-align: left;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
}
.project-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.project-card__media {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--paper-2);
}
.project-card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 300ms ease;
}
.project-card:hover .project-card__media img { transform: scale(1.04); }
.project-card__count {
  position: absolute;
  bottom: 0.6rem; right: 0.6rem;
  background: rgba(31,27,22,0.78);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
}
.project-card__body { padding: 1rem 1.1rem 1.2rem; }
.project-card__body .tag { margin-bottom: 0.6rem; }
.project-card__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.3rem;
  line-height: 1.15;
  margin: 0 0 0.35rem;
}
.project-card__body p {
  margin: 0;
  font-size: 0.94rem;
  color: var(--ink-soft);
}
.empty-note { text-align: center; color: var(--ink-soft); padding: 2rem 0; }

/* ---------- Página de mural ---------- */
.proyecto-head {
  text-align: center;
  max-width: 60ch;
  margin: 0 auto 2.5rem;
}
.proyecto-head .tag { margin-bottom: 0.9rem; }
.proyecto-head h1 { margin-bottom: 0.5rem; }

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: clamp(0.8rem, 2vw, 1.3rem);
}
.gal-item {
  border: 0;
  padding: 0;
  background: var(--paper-2);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: zoom-in;
  display: block;
}
.gal-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 300ms ease;
}
.gal-item:hover img { transform: scale(1.03); }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(20,17,13,0.92);
  display: none;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 4vw, 3rem);
}
.lightbox[data-open="true"] { display: flex; }
.lightbox__img {
  max-width: min(100%, 1100px);
  max-height: 82vh;
  width: auto;
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}
.lightbox__btn {
  position: absolute;
  background: rgba(255,255,255,0.12);
  color: #fff;
  border: none;
  width: 50px; height: 50px;
  border-radius: 50%;
  font-size: 1.4rem;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
}
.lightbox__btn:hover { background: rgba(255,255,255,0.25); }
.lightbox__close { top: 1.2rem; right: 1.2rem; }
.lightbox__prev { left: 1.2rem; top: 50%; transform: translateY(-50%); }
.lightbox__next { right: 1.2rem; top: 50%; transform: translateY(-50%); }
.lightbox__counter {
  position: absolute;
  bottom: 1.3rem; left: 50%; transform: translateX(-50%);
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  font-weight: 600;
}

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    position: fixed;
    inset: 68px 0 auto 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem var(--gutter) 1.2rem;
    transform: translateY(-110%);
    visibility: hidden;
    transition: transform 220ms ease, visibility 220ms ease;
    box-shadow: var(--shadow);
  }
  .nav[data-open="true"] { transform: translateY(0); visibility: visible; }
  .nav a { width: 100%; padding: 0.8rem 0; border-bottom: 1px solid var(--line); }
  .nav a::after { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}