/* ==========================================================================
   rich1n.com — estilos
   Tarjetas neo-brutalistas (borde + sombra sólida) en paleta café.
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --espresso: #1C1A19;
  --roast: #2A211C;
  --cream: #F3EBDD;
  --beige: #D9C3A5;
  --brown: #8B5E3C;
  --burgundy: #7B1E2B;
  --gray: #8A8580;
  --caramel: #C8925A;

  --bg: var(--espresso);
  --surface: #242120;
  --text: var(--cream);
  --muted: #B9AFA3;
  --line: var(--cream);
  --line-soft: rgba(243, 235, 221, 0.2);
  --accent: var(--caramel);
  --pattern-opacity: 0.05;

  --font: "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
  --radius: 6px;
  --shadow: 3px 3px 0 0 var(--line);
  --shadow-lg: 6px 6px 0 0 var(--line);
  --max: 560px;

  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: var(--cream);
  --surface: #EADFCC;
  --text: var(--roast);
  --muted: #5E5048;
  --line: var(--roast);
  --line-soft: rgba(42, 33, 28, 0.2);
  --accent: var(--burgundy);
  --pattern-opacity: 0.07;
  color-scheme: light;
}

/* ---------- Base ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 5rem; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font);
  font-weight: 400;
  line-height: 1.6;
  background-color: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

/* Patrón de granos de café, fijo detrás del contenido */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-color: var(--text);
  opacity: var(--pattern-opacity);
  -webkit-mask: url("../pattern/beans.svg") repeat;
  mask: url("../pattern/beans.svg") repeat;
  -webkit-mask-size: 120px;
  mask-size: 120px;
  pointer-events: none;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.2; margin: 0; }
p { margin: 0; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.icon { width: 1.5em; height: 1.5em; flex-shrink: 0; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.icon--fill { fill: currentColor; stroke: none; }

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

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--line-soft);
}

.header__inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0.9rem 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  text-decoration: none;
}
.logo .icon { color: var(--accent); width: 1.4em; height: 1.4em; }
.logo:hover { color: var(--accent); }

.nav { margin-left: auto; display: flex; align-items: center; gap: 1.1rem; }
.nav a { font-size: 0.9rem; font-weight: 500; text-decoration: none; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--accent); }

.theme-toggle {
  display: inline-grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 0.05s ease, box-shadow 0.05s ease;
}
.theme-toggle:hover { transform: translate(3px, 3px); box-shadow: none; }
.theme-toggle .icon { width: 1.1rem; height: 1.1rem; }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="light"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* ---------- Layout ---------- */
main {
  flex: 1;
  width: 100%;
  max-width: calc(var(--max) + 2rem);
  margin: 0 auto;
  padding: 2.5rem 1rem 4rem;
}

.section { padding-top: 2.5rem; }

.section__title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}
.section__title span { color: var(--accent); }

.section__lead { color: var(--muted); font-size: 0.95rem; margin: -0.5rem 0 1rem; }

/* ---------- Hero ---------- */
.hero { display: flex; flex-direction: column; gap: 1.5rem; }

.hero__top { display: flex; align-items: center; gap: 1.25rem; }

.avatar {
  width: 6rem;
  height: 6rem;
  flex-shrink: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: var(--surface);
  overflow: hidden;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.avatar:hover { transform: translate(-3px, -3px); box-shadow: var(--shadow-lg); }
.avatar img { width: 100%; height: 100%; object-fit: cover; }

.hero__name { font-size: 1.75rem; font-weight: 800; letter-spacing: -0.02em; }
.hero__handle { color: var(--accent); font-weight: 500; margin-top: 0.1rem; }

.socials { display: flex; flex-wrap: wrap; gap: 0.25rem; margin: 0.4rem 0 0 -0.5rem; padding: 0; list-style: none; }
.socials a {
  display: inline-grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius);
  transition: color 0.15s ease, transform 0.15s ease;
}
.socials a:hover { color: var(--accent); transform: translateY(-2px); }
.socials .icon { width: 1.35rem; height: 1.35rem; }

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.stats li {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 0.75rem 0.5rem;
  text-align: center;
}
.stats strong { display: block; font-size: 1.2rem; font-weight: 800; color: var(--accent); line-height: 1.2; }
.stats span { font-size: 0.75rem; color: var(--muted); }

.bio { display: flex; flex-direction: column; gap: 0.9rem; }
.bio p { font-size: 1rem; }
.bio strong { color: var(--accent); font-weight: 600; }

/* ---------- Tarjetas ---------- */
.cards { display: grid; gap: 1rem; margin: 0; padding: 0; list-style: none; }
.cards--2 { grid-template-columns: 1fr; }
@media (min-width: 30em) {
  .cards--2 { grid-template-columns: 1fr 1fr; }
}

.card {
  --card-bg: var(--beige);
  --card-fg: var(--espresso);
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  height: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: var(--card-bg);
  color: var(--card-fg);
  font: inherit;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.05s ease, box-shadow 0.05s ease;
}
.card:hover { transform: translate(3px, 3px); box-shadow: none; }
.card .icon { width: 2rem; height: 2rem; margin-top: 0.1rem; }
.card__body { display: flex; flex-direction: column; min-width: 0; }
.card__title { font-weight: 600; font-size: 1rem; line-height: 1.35; }
.card__desc { font-size: 0.85rem; }
.card__meta { font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }

.card--beige    { --card-bg: var(--beige);    --card-fg: var(--espresso); }
.card--brown    { --card-bg: var(--brown);    --card-fg: var(--cream); }
.card--burgundy { --card-bg: var(--burgundy); --card-fg: var(--cream); }
.card--gray     { --card-bg: var(--gray);     --card-fg: var(--espresso); }
.card--outline  { --card-bg: var(--surface);  --card-fg: var(--text); }

/* ---------- Café: filtros y lista ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 1.5rem; }
.filter {
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 0.05s ease, box-shadow 0.05s ease;
}
.filter:hover { transform: translate(3px, 3px); box-shadow: none; }
.filter[aria-pressed="true"] { background: var(--accent); color: var(--cream); }
:root:not([data-theme="light"]) .filter[aria-pressed="true"] { color: var(--espresso); }

.empty { color: var(--muted); font-size: 0.95rem; padding: 1rem 0; }

/* ---------- Artículo ---------- */
.back { display: inline-flex; align-items: center; gap: 0.35rem; font-size: 0.9rem; font-weight: 500; text-decoration: none; color: var(--accent); margin-bottom: 1.5rem; }
.back:hover { text-decoration: underline; }

.post__meta { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; font-size: 0.8rem; color: var(--muted); margin-bottom: 0.75rem; }
.tag {
  display: inline-block;
  padding: 0.1rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--card-bg, var(--beige));
  color: var(--card-fg, var(--espresso));
}

.prose { font-size: 1.02rem; }
.prose > * + * { margin-top: 1rem; }
.prose h1 { font-size: 2rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 0.5rem; }
.prose h2 { font-size: 1.35rem; font-weight: 800; margin-top: 2.2rem; }
.prose h3 { font-size: 1.1rem; font-weight: 600; margin-top: 1.6rem; }
.prose a { color: var(--accent); text-underline-offset: 3px; }
.prose ul, .prose ol { padding-left: 1.3rem; }
.prose li + li { margin-top: 0.35rem; }
.prose strong { font-weight: 600; }
.prose img {
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: var(--surface);
}
.prose blockquote {
  margin: 1.5rem 0;
  padding: 0.75rem 1rem;
  border-left: 4px solid var(--accent);
  background: var(--surface);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.prose code { font-size: 0.9em; padding: 0.1em 0.35em; border-radius: 4px; background: var(--surface); }
.prose hr { border: 0; border-top: 1px solid var(--line-soft); margin: 2rem 0; }
.prose table { width: 100%; border-collapse: collapse; font-size: 0.92rem; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--line-soft); padding: 0.5rem 0.65rem; text-align: left; }
.prose th { background: var(--surface); font-weight: 600; }

.section__subtitle { font-size: 1.1rem; font-weight: 800; margin: 2rem 0 1rem; }
.section__subtitle span { color: var(--accent); }

/* ---------- Contacto ---------- */
.contact-row { display: flex; gap: 0.75rem; }
.contact-row > .card:first-child { flex: 1; min-width: 0; }
.contact-row .card__title { overflow-wrap: anywhere; }
.copy-btn { flex: 0 0 auto; width: 3.5rem; height: auto; align-items: center; justify-content: center; padding: 0; }
.copy-btn .icon { width: 1.4rem; height: 1.4rem; margin: 0; }
.toast {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  transform: translate(-50%, 1rem);
  padding: 0.6rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: var(--beige);
  color: var(--espresso);
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--line-soft);
  padding: 2rem 1rem 2.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}
.footer .icon { margin: 0 auto 0.75rem; width: 2rem; height: 2rem; color: var(--accent); }
.footer a { color: var(--text); text-decoration: none; font-weight: 500; }
.footer a:hover { color: var(--accent); }
.footer p + p { margin-top: 0.25rem; }

/* ---------- Responsive ---------- */
@media (max-width: 30em) {
  .hero__name { font-size: 1.45rem; }
  .avatar { width: 5rem; height: 5rem; }
  .nav { gap: 0.8rem; }
  .nav a { font-size: 0.85rem; }
  .prose h1 { font-size: 1.6rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
  .card:hover, .filter:hover, .theme-toggle:hover, .avatar:hover, .socials a:hover { transform: none; }
}

/* ---------- Títulos de página ---------- */
.page-title { font-size: 2rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 1rem; }
.page-title span { color: var(--accent); }