/* raspimc.org — sistema visual compartido por todas las páginas.
   Paleta propia (no la iOS ya usada en compra.raspimc.org): un acento
   "raspberry" (nombre del dominio viene de Raspberry Pi, el hardware
   real donde corre todo esto) sobre un neutro oscuro cálido, más una
   monoespaciada para lo técnico (dominios, badges de stack). */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@500&display=swap');

:root {
  --bg: #100c0e;
  --surface: #191417;
  --surface-2: #221a1f;
  --ink: #f5eef1;
  --ink-soft: #a99aa3;
  --ink-faint: #766a71;
  --line: #332831;
  --accent: #e63262;
  --accent-strong: #ff5c85;
  --accent-soft: rgba(230, 50, 98, 0.14);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  --radius: 14px;
  --font-display: 'Sora', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --max-width: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  text-wrap: balance;
  margin: 0 0 0.6em;
}
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; color: var(--ink-soft); }
p:last-child { margin-bottom: 0; }

.mono {
  font-family: var(--font-mono);
  font-size: 0.85em;
  letter-spacing: 0.01em;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- Topnav --- */
.topnav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(16, 12, 14, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topnav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
  flex: 0 0 auto;
}
.brand-mark {
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 7px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}
.brand-mark svg { width: 1.1rem; height: 1.1rem; color: #1a0509; }
.brand-suffix { color: var(--accent); }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-menu > li { position: relative; }
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.5rem 0.8rem;
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-body);
  transition: color 0.15s ease, background-color 0.15s ease;
}
.nav-link:hover, .nav-link:focus-visible { color: var(--ink); background: var(--surface-2); }
.nav-caret { width: 0.6em; height: 0.6em; transition: transform 0.15s ease; }
details[open] > summary .nav-caret { transform: rotate(180deg); }

details.nav-drop summary { list-style: none; }
details.nav-drop summary::-webkit-details-marker { display: none; }
details.nav-drop summary::marker { content: ''; }

.nav-panel {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  min-width: 240px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  z-index: 50;
}
.nav-panel a {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  padding: 0.6rem 0.7rem;
  border-radius: 8px;
  text-decoration: none;
}
.nav-panel a:hover, .nav-panel a:focus-visible { background: var(--accent-soft); }
.nav-panel-title { font-size: 0.9rem; font-weight: 600; color: var(--ink); }
.nav-panel-desc { font-size: 0.78rem; color: var(--ink-soft); }

/* --- Hero / sections --- */
.hero {
  padding: 5.5rem 0 4rem;
  border-bottom: 1px solid var(--line);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(230, 50, 98, 0.3);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  margin-bottom: 1.4rem;
}
.eyebrow-dot { width: 6px; height: 6px; border-radius: 999px; background: var(--accent); }
.hero-lede { font-size: 1.15rem; max-width: 640px; }
.hero-actions { display: flex; gap: 0.8rem; margin-top: 2rem; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.3rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.94rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, background-color 0.15s ease, border-color 0.15s ease;
}
.btn-primary { background: var(--accent); color: #1a0509; }
.btn-primary:hover { background: var(--accent-strong); }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn:active { transform: scale(0.97); }

section { padding: 4rem 0; }
.section-head { max-width: 640px; margin-bottom: 2.5rem; }
.section-head .eyebrow { margin-bottom: 1rem; }

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 760px) {
  .card-grid { grid-template-columns: 1fr 1fr; }
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.card-icon {
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 9px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}
.card-icon svg { width: 1.4rem; height: 1.4rem; }
.card-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.2rem; }
.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
  background: var(--surface-2);
  border: 1px solid var(--line);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
}
.card-links { display: flex; gap: 0.7rem; margin-top: auto; padding-top: 0.6rem; flex-wrap: wrap; }
.card-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.card-link:hover { color: var(--accent-strong); }
.card-link.secondary { color: var(--ink-soft); }
.card-link.secondary:hover { color: var(--ink); }

.feature-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.6rem; }
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  color: var(--ink-soft);
  font-size: 0.94rem;
}
.feature-list svg { width: 1.1rem; height: 1.1rem; color: var(--accent); flex: 0 0 auto; margin-top: 0.15rem; }

.strip {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.strip-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 760px) {
  .strip-inner { grid-template-columns: repeat(3, 1fr); }
}
.strip-item { display: flex; gap: 0.9rem; }
.strip-item svg { width: 1.4rem; height: 1.4rem; color: var(--accent); flex: 0 0 auto; margin-top: 0.15rem; }
.strip-item h3 { margin-bottom: 0.3rem; font-size: 1rem; }
.strip-item p { font-size: 0.9rem; margin: 0; }

/* --- Guide / long-form pages --- */
.doc-header { padding: 3.5rem 0 2.5rem; border-bottom: 1px solid var(--line); }
.doc-body { padding: 3rem 0 5rem; max-width: 720px; }
.doc-body h2 { margin-top: 2.4rem; padding-top: 0.2rem; }
.doc-body h2:first-child { margin-top: 0; }
.doc-body ul, .doc-body ol { color: var(--ink-soft); padding-left: 1.25rem; }
.doc-body li { margin-bottom: 0.5rem; }
.doc-body li:last-child { margin-bottom: 0; }
.doc-body strong { color: var(--ink); }
.callout {
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  background: var(--surface);
  border-radius: 0 10px 10px 0;
  padding: 1rem 1.2rem;
  font-size: 0.92rem;
  margin: 1.5rem 0;
}
.callout p { margin: 0; }
.doc-nav {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.88rem;
}
.back-link:hover { color: var(--accent); }
.back-link svg { width: 1rem; height: 1rem; }

/* --- About page --- */
.about-lede { font-size: 1.2rem; color: var(--ink); max-width: 680px; }
.pillar-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 1rem;
}
@media (min-width: 760px) {
  .pillar-grid { grid-template-columns: repeat(3, 1fr); }
}
.pillar h3 { color: var(--accent); font-family: var(--font-mono); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.5rem; }
.pillar p { font-size: 0.95rem; }

/* --- Footer --- */
footer.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 0;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
@media (min-width: 700px) {
  .footer-inner { flex-direction: row; align-items: center; justify-content: space-between; }
}
.footer-links { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.footer-links a { color: var(--ink-soft); text-decoration: none; font-size: 0.85rem; }
.footer-links a:hover { color: var(--accent); }
.footer-note { color: var(--ink-faint); font-size: 0.8rem; font-family: var(--font-mono); }

@media (max-width: 640px) {
  .topnav-inner { padding: 0.8rem 1rem; gap: 0.5rem; }
  .brand span:not(.brand-mark) { font-size: 1rem; }
  .nav-menu { gap: 0.05rem; }
  .nav-link { padding: 0.5rem 0.5rem; font-size: 0.84rem; }
  .nav-panel { left: auto; right: 0; min-width: 220px; }
}