/* ==========================================================================
   Sistema de diseño — LANGA (escritor y músico)
   Paleta: tinta / papel / vino
   ========================================================================== */

:root {
  --ink: #14181f;
  --ink-soft: #2b323f;
  --paper: #f3efe6;
  --paper-dim: #e9e2d3;
  --wine: #6e2a34;
  --wine-soft: #8a4550;
  --line: rgba(20, 24, 31, 0.14);
  --line-soft: rgba(20, 24, 31, 0.08);

  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-headline: "Anton", "Fraunces", Georgia, sans-serif;
  --font-headline-light: "Oswald", "Fraunces", Georgia, sans-serif;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;

  --max-w: 1180px;
  --gutter: clamp(1.25rem, 4vw, 3.5rem);

  --radius: 2px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

h1 {
  font-family: var(--font-headline);
  font-weight: 400;
  line-height: 1.08;
  margin: 0 0 0.5em;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  font-size: clamp(2.2rem, 5.6vw, 4.2rem);
}

h2, h3, h4 {
  font-family: var(--font-headline-light);
  font-weight: 300;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

h2 { font-size: clamp(1.6rem, 3.6vw, 2.5rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.7rem); }

p { max-width: 62ch; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem var(--gutter);
  max-width: var(--max-w);
  margin: 0 auto;
}

.site-header__name {
  font-family: var(--font-headline-light);
  font-size: 1.1rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 300;
}

.brand-mark {
  font-family: var(--font-headline);
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  gap: clamp(1rem, 2.5vw, 2.2rem);
  font-size: 0.92rem;
}

.site-nav a {
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  border-color: var(--wine);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 0.92rem;
  cursor: pointer;
  color: var(--ink);
}

@media (max-width: 720px) {
  .site-nav { display: none; flex-direction: column; gap: 1rem; padding: 0 var(--gutter) 1.4rem; }
  .site-nav.is-open { display: flex; }
  .nav-toggle { display: block; }
  .site-header__bar { flex-wrap: wrap; }
}

/* ---------- Hero ---------- */

.hero {
  padding: clamp(3rem, 10vw, 7rem) 0 clamp(2.5rem, 8vw, 5rem);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

@media (max-width: 860px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__image { order: -1; }
}

.hero__eyebrow {
  font-size: 0.85rem;
  color: var(--wine);
  margin-bottom: 1rem;
}

.hero__desc {
  font-size: 1.15rem;
  color: var(--ink-soft);
  margin-top: 1.1rem;
}

.hero__image {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--paper-dim);
}

.hero__image img { width: 100%; height: 100%; object-fit: cover; }

.hero__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.8rem;
  margin-top: 2.2rem;
}

.hero__links a {
  font-size: 0.95rem;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
}

.hero__links a:hover { color: var(--wine); border-color: var(--wine); }

/* ---------- Sections ---------- */

section.block { padding: clamp(3rem, 7vw, 5.5rem) 0; }
section.block + section.block { border-top: 1px solid var(--line); }

.block__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2.4rem;
  flex-wrap: wrap;
}

.block__head a.see-all { font-size: 0.9rem; border-bottom: 1px solid var(--ink); }

/* ---------- Cards: Music category tiles ---------- */

.grid-categories {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: clamp(1.2rem, 3vw, 1.8rem);
}

.category-card {
  border: 1px solid var(--line);
  background: #fff;
  padding: 2rem 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.category-card:hover { border-color: var(--wine); transform: translateY(-2px); }
.category-card__title { font-family: var(--font-headline-light); font-weight: 300; font-size: 1.25rem; text-transform: uppercase; letter-spacing: 0.02em; }
.category-card__count { font-size: 0.85rem; color: var(--ink-soft); }

/* ---------- Cards: Books ---------- */

.grid-books {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: clamp(1.5rem, 3vw, 2.6rem);
}

.book-card__cover {
  aspect-ratio: 2 / 3;
  background: var(--paper-dim);
  overflow: hidden;
  margin-bottom: 0.9rem;
}

.book-card__cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.book-card:hover .book-card__cover img { transform: scale(1.03); }

.book-card__title { font-family: var(--font-display); font-size: 1.05rem; margin-bottom: 0.15rem; }
.book-card__subtitle { font-size: 0.88rem; color: var(--ink-soft); margin-bottom: 0.3rem; }
.book-card__year { font-size: 0.8rem; color: var(--wine-soft); letter-spacing: 0.03em; }

/* ---------- Cards: Music ---------- */

.grid-music {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: clamp(1.5rem, 3vw, 2.2rem);
}

.music-card {
  border: 1px solid var(--line);
  padding: 1.1rem;
  display: flex;
  gap: 1rem;
}

.music-card__art {
  width: 84px;
  height: 84px;
  flex-shrink: 0;
  background: var(--paper-dim);
  overflow: hidden;
}
.music-card__art img { width: 100%; height: 100%; object-fit: cover; }

.music-card__type { font-size: 0.75rem; text-transform: lowercase; color: var(--wine); margin-bottom: 0.2rem; }
.music-card__title { font-family: var(--font-display); font-size: 1.05rem; margin-bottom: 0.2rem; }
.music-card__year { font-size: 0.8rem; color: var(--ink-soft); margin-bottom: 0.5rem; }
.music-card__links { display: flex; flex-wrap: wrap; gap: 0.6rem 1rem; font-size: 0.82rem; }
.music-card__links a { border-bottom: 1px solid var(--ink); }

/* ---------- Cards: Posts ---------- */

.grid-posts {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: clamp(1.8rem, 3vw, 2.6rem);
}

.post-card__image { aspect-ratio: 16/10; background: var(--paper-dim); overflow: hidden; margin-bottom: 1rem; }
.post-card__image img { width: 100%; height: 100%; object-fit: cover; }
.post-card__date { font-size: 0.8rem; color: var(--wine-soft); margin-bottom: 0.4rem; }
.post-card__title { font-family: var(--font-display); font-size: 1.3rem; margin-bottom: 0.4rem; }
.post-card__excerpt { font-size: 0.92rem; color: var(--ink-soft); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  font-size: 0.9rem;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-family: var(--font-body);
  transition: background 0.2s ease, color 0.2s ease;
}
.btn:hover { background: var(--ink); color: var(--paper); }

.btn--wine { border-color: var(--wine); color: var(--wine); }
.btn--wine:hover { background: var(--wine); color: var(--paper); }

.btn--primary { background: var(--ink); color: var(--paper); }
.btn--primary:hover { background: var(--wine); border-color: var(--wine); }

.btn--sm { padding: 0.45rem 0.9rem; font-size: 0.8rem; }
.btn--danger { border-color: #8a2b2b; color: #8a2b2b; }
.btn--danger:hover { background: #8a2b2b; color: #fff; }

/* ---------- Detail pages ---------- */

.detail__grid { display: grid; grid-template-columns: 340px 1fr; gap: clamp(2rem, 5vw, 4rem); }
@media (max-width: 760px) { .detail__grid { grid-template-columns: 1fr; } }
.detail__cover { aspect-ratio: 2/3; background: var(--paper-dim); overflow: hidden; }
.detail__cover img { width: 100%; height: 100%; object-fit: cover; }
.detail__meta { font-size: 0.85rem; color: var(--wine-soft); margin-bottom: 1rem; }
.detail__body { font-size: 1.02rem; color: var(--ink-soft); white-space: pre-wrap; margin: 1.4rem 0 2rem; }

.back-link { font-size: 0.85rem; display: inline-block; margin-bottom: 2rem; border-bottom: 1px solid var(--ink); }

/* ---------- Post content (rich text) ---------- */

.post-content { font-size: 1.05rem; color: var(--ink-soft); max-width: 68ch; }
.post-content h2 { font-size: 1.6rem; margin-top: 1.8em; }
.post-content h3 { font-size: 1.25rem; margin-top: 1.5em; }
.post-content p { margin: 0 0 1.1em; max-width: none; }
.post-content img { margin: 1.6em 0; }
.post-content a { border-bottom: 1px solid var(--wine); color: var(--wine); }
.post-content ul, .post-content ol { padding-left: 1.4em; margin: 0 0 1.1em; }

/* ---------- About page ---------- */

.about__grid { display: grid; grid-template-columns: 320px 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
@media (max-width: 760px) { .about__grid { grid-template-columns: 1fr; } }
.about__photo { aspect-ratio: 1; overflow: hidden; background: var(--paper-dim); }
.about__photo img { width: 100%; height: 100%; object-fit: cover; }
.about__section { margin-bottom: 1.8rem; }
.about__label { font-size: 0.8rem; color: var(--wine); margin-bottom: 0.4rem; }

/* ---------- Contact ---------- */

.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); }
@media (max-width: 760px) { .contact__grid { grid-template-columns: 1fr; } }

form.form { display: flex; flex-direction: column; gap: 1.1rem; }
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field label { font-size: 0.85rem; color: var(--ink-soft); }
.field input, .field textarea, .field select {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: var(--radius);
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field textarea:focus, .field select:focus { outline: 2px solid var(--wine); outline-offset: 1px; }

.social-list { display: flex; flex-wrap: wrap; gap: 0.5rem 1.4rem; margin-top: 1rem; font-size: 0.92rem; }
.social-list a { border-bottom: 1px solid var(--ink); }

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.4rem 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ---------- Empty state ---------- */

.empty-state { color: var(--ink-soft); font-size: 0.95rem; padding: 2rem 0; }

/* ---------- Utility ---------- */

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

.skeleton { color: var(--ink-soft); font-size: 0.9rem; }

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