/* ============================================================
   Estudio Raíz — estilos base compartidos por TODAS las páginas
   No modificar por página: los estilos propios van en un <style>
   dentro de la página.
   ============================================================ */
:root {
  --bg: #f6f1e7;
  --surface: #fffaf1;
  --ink: #1f2a1f;
  --muted: #5d6b5a;
  --line: #e2d9c6;
  --brand: #2f5d3a;        /* verde raíz */
  --brand-ink: #ffffff;
  --accent: #c8643b;       /* terracota */
  --accent-soft: #f6dccd;
  --radius: 16px;
  --shadow: 0 6px 24px rgba(31, 42, 31, .08);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141a14;
    --surface: #1c241c;
    --ink: #eef2e8;
    --muted: #a7b3a2;
    --line: #2d3a2d;
    --brand: #7fbf8c;
    --brand-ink: #10180f;
    --accent: #ec8a5e;
    --accent-soft: #3a261d;
    --shadow: 0 6px 24px rgba(0, 0, 0, .35);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  line-height: 1.55;
}
img, canvas { max-width: 100%; }
a { color: var(--brand); }

.wrap { max-width: 720px; margin: 0 auto; padding: 0 16px; }

/* Cabecera */
.raiz-header { padding: 14px 0; border-bottom: 1px solid var(--line); }
.raiz-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.raiz-logo { font-weight: 800; text-decoration: none; color: var(--ink); letter-spacing: -.02em; }
.raiz-logo span { color: var(--accent); }
.raiz-header nav a { color: var(--muted); text-decoration: none; font-size: .95rem; }

/* Títulos */
.hero { padding: 32px 0 8px; }
.hero h1 { font-size: clamp(1.8rem, 6vw, 2.6rem); line-height: 1.1; margin: 0 0 8px; letter-spacing: -.03em; }
.hero p { color: var(--muted); margin: 0; font-size: 1.05rem; }

/* Tarjetas y formularios */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin: 20px 0;
  box-shadow: var(--shadow);
}
label { display: block; font-weight: 600; margin-bottom: 6px; }
input, select, textarea {
  width: 100%;
  font: inherit;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink);
}
input:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: inherit; font-weight: 700;
  padding: 12px 18px;
  border-radius: 999px;
  border: 0;
  cursor: pointer;
  background: var(--brand);
  color: var(--brand-ink);
  text-decoration: none;
}
.btn:hover { filter: brightness(1.08); }
.btn.alt { background: var(--accent); color: #fff; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn.block { width: 100%; }

/* Barra de compartir */
.share { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.share .btn { padding: 10px 14px; font-size: .92rem; }

/* Bloque "síguenos" */
.follow { text-align: center; }
.follow h2 { margin: 0 0 4px; font-size: 1.2rem; }
.follow p { margin: 0 0 12px; color: var(--muted); }
.social { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.social a {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 14px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--bg);
  text-decoration: none; color: var(--ink); font-weight: 600; font-size: .92rem;
}
.social a:hover { border-color: var(--accent); }
.social svg { width: 18px; height: 18px; fill: currentColor; }

/* Bloque de venta a negocios */
.sell { background: var(--accent-soft); border-color: transparent; }
.sell h2 { margin: 0 0 6px; font-size: 1.15rem; }
.sell p { margin: 0 0 12px; }

/* Espacio publicitario (solo visible si hay AdSense configurado) */
.ad-slot { display: none; margin: 20px 0; min-height: 100px; }
.ads-on .ad-slot { display: block; }

/* Pie */
.raiz-footer { border-top: 1px solid var(--line); margin-top: 40px; padding: 24px 0 40px; color: var(--muted); font-size: .9rem; text-align: center; }
.raiz-footer a { color: var(--muted); }

/* Aviso flotante */
.toast {
  position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%) translateY(120%);
  background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 999px;
  font-weight: 600; transition: transform .25s ease; z-index: 50; max-width: calc(100% - 32px);
}
.toast.show { transform: translateX(-50%) translateY(0); }

.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: .88rem; }

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