/* ============================================
   ATELIER INVITACIONES — Blog CSS
   Usar en: blog/index.html y cada artículo
   ============================================ */

/* ---------- Variables ---------- */
:root {
  --color-bg: #f9f7f3;
  --color-bg-alt: #f2ede4;
  --color-text: #1a1a18;
  --color-text-muted: #7a7570;
  --color-text-light: #b0a99e;
  --color-accent: #c9a96e;
  --color-border: #e4ddd4;
  --font-serif: 'Cormorant Garamond', 'Garamond', Georgia, serif;
  --font-sans: 'Jost', 'Inter', 'Helvetica Neue', sans-serif;
  --max-width: 720px;
  --max-width-wide: 1100px;
}

/* ---------- Reset base ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.8;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ---------- Navegación ---------- */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2.5rem;
  border-bottom: 0.5px solid var(--color-border);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav__logo img {
  height: 32px;
  width: auto;
}

.nav__links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav__links a {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color 0.2s;
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--color-text);
}

/* ---------- Hero del blog (página listado) ---------- */
.blog-hero {
  text-align: center;
  padding: 5rem 2rem 3.5rem;
  border-bottom: 0.5px solid var(--color-border);
}

.blog-hero__eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.blog-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
}

.blog-hero__desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  max-width: 480px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ---------- Grid de artículos (listado) ---------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 0;
  max-width: var(--max-width-wide);
  margin: 0 auto;
}

.post-card {
  padding: 2.5rem 2rem;
  border-bottom: 0.5px solid var(--color-border);
  border-right: 0.5px solid var(--color-border);
  transition: background 0.2s;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.post-card:hover {
  background: var(--color-bg-alt);
}

.post-card__tag {
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.post-card__title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1.3;
  transition: color 0.2s;
}

.post-card:hover .post-card__title {
  color: var(--color-text-muted);
}

.post-card__excerpt {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  flex: 1;
}

.post-card__meta {
  font-size: 0.75rem;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
}

.post-card__cta {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.25rem;
  transition: gap 0.2s;
}

.post-card:hover .post-card__cta {
  gap: 0.7rem;
}

/* ---------- Artículo individual ---------- */
.article-hero {
  text-align: center;
  padding: 5rem 2rem 3rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.article-hero__eyebrow {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}

.article-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4.5vw, 2.8rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 1.5rem;
}

.article-hero__meta {
  font-size: 0.78rem;
  color: var(--color-text-light);
  letter-spacing: 0.08em;
}

.article-hero__divider {
  width: 40px;
  height: 0.5px;
  background: var(--color-accent);
  margin: 2rem auto 0;
}

/* ---------- Cuerpo del artículo ---------- */
.article-body {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 2rem 5rem;
}

.article-body p {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

.article-body h2 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 400;
  line-height: 1.25;
  margin: 3rem 0 1.25rem;
  color: var(--color-text);
}

.article-body h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 400;
  margin: 2rem 0 0.75rem;
  color: var(--color-text);
}

.article-body ul,
.article-body ol {
  padding-left: 1.5rem;
  margin-bottom: 1.5rem;
}

.article-body li {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}

.article-body strong {
  font-weight: 500;
}

.article-body em {
  font-style: italic;
  font-family: var(--font-serif);
  font-size: 1.05em;
}

/* Imagen dentro del artículo */
.article-body figure {
  margin: 2.5rem 0;
}

.article-body figure img {
  width: 100%;
  border-radius: 2px;
}

.article-body figcaption {
  font-size: 0.78rem;
  color: var(--color-text-light);
  text-align: center;
  margin-top: 0.75rem;
  letter-spacing: 0.05em;
}

/* Cita destacada */
.article-body blockquote {
  border-left: 1px solid var(--color-accent);
  padding: 0.5rem 0 0.5rem 1.75rem;
  margin: 2.5rem 0;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-text-muted);
  line-height: 1.5;
  font-style: italic;
}

/* ---------- CTA dentro del artículo ---------- */
.article-cta {
  background: var(--color-bg-alt);
  border: 0.5px solid var(--color-border);
  padding: 2.5rem 2rem;
  text-align: center;
  margin: 3rem 0;
}

.article-cta__eyebrow {
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.article-cta__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 0.75rem;
}

.article-cta__desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.btn {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  border: 0.5px solid var(--color-text);
  color: var(--color-text);
  background: transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.btn:hover {
  background: var(--color-text);
  color: var(--color-bg);
}

/* ---------- Footer del artículo ---------- */
.article-footer {
  border-top: 0.5px solid var(--color-border);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 2rem 4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.article-footer__back {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color 0.2s;
}

.article-footer__back:hover {
  color: var(--color-text);
}

.article-footer__author {
  font-size: 0.78rem;
  color: var(--color-text-light);
}

/* ---------- Footer global ---------- */
.site-footer {
  border-top: 0.5px solid var(--color-border);
  text-align: center;
  padding: 2.5rem 2rem;
  font-size: 0.75rem;
  color: var(--color-text-light);
  letter-spacing: 0.08em;
}

.site-footer a {
  color: var(--color-text-muted);
  transition: color 0.2s;
}

.site-footer a:hover {
  color: var(--color-text);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .nav {
    padding: 1.2rem 1.25rem;
  }

  .nav__links {
    gap: 1.25rem;
  }

  .blog-grid {
    grid-template-columns: 1fr;
  }

  .post-card {
    border-right: none;
  }

  .article-body {
    padding: 2rem 1.25rem 4rem;
  }

  .article-hero {
    padding: 3rem 1.25rem 2rem;
  }
}