/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg: #faf8f4;
  --bg-card: #ffffff;
  --ink: #1f2a24;
  --ink-soft: #52605a;
  --line: #e3ddd2;
  --accent: #2f6f4f;
  --accent-ink: #ffffff;
  --accent-soft: #e7f2ea;
  --warn: #b5442e;
  --radius: 14px;
  --sans: "Inter", system-ui, sans-serif;
  --display: "Manrope", var(--sans);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12160f;
    --bg-card: #1a2018;
    --ink: #eef1ea;
    --ink-soft: #b6c0b6;
    --line: #2b332a;
    --accent: #6cbf8f;
    --accent-ink: #0d1a12;
    --accent-soft: #1c2c21;
  }
}
:root[data-theme="dark"] {
  --bg: #12160f;
  --bg-card: #1a2018;
  --ink: #eef1ea;
  --ink-soft: #b6c0b6;
  --line: #2b332a;
  --accent: #6cbf8f;
  --accent-ink: #0d1a12;
  --accent-soft: #1c2c21;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; tab-size: 2; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3 { font-family: var(--display); text-wrap: balance; line-height: 1.1; letter-spacing: -0.01em; }
::selection { background: var(--accent-soft); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* =============================================================
   3. Utilities
   ============================================================= */
.skip-link {
  position: fixed; top: -100px; left: 1rem;
  padding: .6rem 1rem; background: var(--accent); color: var(--accent-ink);
  z-index: 9999; border-radius: 8px; font-weight: 600;
}
.skip-link:focus { top: 1rem; }

/* =============================================================
   4. Header / footer
   ============================================================= */
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.25rem; max-width: 980px; margin: 0 auto;
}
.logo { display: flex; align-items: center; gap: .5rem; font-family: var(--display); font-weight: 800; color: var(--accent); }
.site-nav { display: none; gap: 1.25rem; font-size: .9rem; font-weight: 600; }
.site-nav a { color: var(--ink-soft); transition: color .2s var(--ease-out); }
.site-nav a:hover { color: var(--accent); }
@media (min-width: 720px) { .site-nav { display: flex; } }

.site-footer {
  max-width: 980px; margin: 0 auto; padding: 2rem 1.25rem 3rem;
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between;
  color: var(--ink-soft); font-size: .85rem; border-top: 1px solid var(--line); margin-top: 2rem;
}
.site-footer nav { display: flex; gap: 1rem; }
.site-footer a:hover { color: var(--accent); }

/* =============================================================
   5. Hero + tool card
   ============================================================= */
.hero { max-width: 780px; margin: 0 auto; padding: .5rem 1.25rem 1.5rem; text-align: center; }
.hero h1 { font-size: clamp(1.7rem, 4vw, 2.4rem); }
.hero-sub { color: var(--ink-soft); margin-top: .6rem; font-size: 1.05rem; }

.tool-card {
  background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem; margin-top: 1.75rem; text-align: left;
  box-shadow: 0 1px 3px rgba(20, 30, 20, .05);
}

.field-row { display: grid; gap: .9rem; grid-template-columns: 1fr; margin-bottom: 1rem; }
@media (min-width: 540px) { .field-row { grid-template-columns: 1fr 1fr; } }

.field { margin-bottom: 1rem; }
.field label, .field-label { display: block; font-weight: 600; font-size: .88rem; margin-bottom: .4rem; }
.field-label--sub { font-size: .82rem; color: var(--ink-soft); margin-top: .6rem; }
.field-hint { font-size: .8rem; color: var(--ink-soft); margin-top: .35rem; }

input, select, textarea {
  width: 100%; font: inherit; padding: .65rem .75rem; border: 1px solid var(--line);
  border-radius: 9px; background: var(--bg); color: var(--ink);
}
textarea { resize: vertical; min-height: 3.2rem; }
input:focus-visible, select:focus-visible, textarea:focus-visible { border-color: var(--accent); }

.campos-formativos { display: grid; gap: 1rem; margin: 1.25rem 0; }
.campo-formativo {
  border: 1px solid var(--line); border-radius: 10px; padding: 1rem;
}
.campo-formativo legend { font-weight: 700; padding: 0 .3rem; }
.campo-desc { font-weight: 400; color: var(--ink-soft); font-size: .82rem; }
.field--inline { margin-top: .6rem; }

.checklist { display: grid; gap: .4rem; margin-bottom: .3rem; }
.check { display: flex; align-items: flex-start; gap: .5rem; font-size: .88rem; cursor: pointer; }
.check input { width: auto; margin-top: .2rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  padding: .75rem 1.3rem; border-radius: 9px; font-weight: 700; font-size: .95rem;
  transition: transform .15s var(--ease-out), background .2s var(--ease-out);
}
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { transform: translateY(-1px); }
.btn-ghost { background: var(--accent-soft); color: var(--accent); }
.btn-text { color: var(--ink-soft); font-weight: 600; padding: .5rem 0; }
.btn-generate { width: 100%; margin-top: .5rem; font-size: 1.05rem; padding: .95rem; }

.tool-error {
  margin-top: 1rem; padding: .75rem 1rem; border-radius: 9px;
  background: color-mix(in srgb, var(--warn) 12%, var(--bg)); color: var(--warn); font-size: .88rem;
}

.result { margin-top: 1.5rem; border-top: 1px solid var(--line); padding-top: 1.25rem; }
.result-head { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; justify-content: space-between; margin-bottom: .9rem; }
.result-actions { display: flex; gap: .6rem; }
.result-preview { display: grid; gap: .75rem; max-height: 340px; overflow-y: auto; }
.ficha-preview {
  white-space: pre-wrap; font-family: var(--sans); font-size: .88rem;
  background: var(--bg); border: 1px solid var(--line); border-radius: 9px; padding: 1rem;
}

.privacy-badge { margin-top: 1rem; font-size: .82rem; color: var(--ink-soft); }

/* =============================================================
   6. Ad slots
   ============================================================= */
.ad-slot {
  max-width: 980px; margin: 2rem auto; padding: 1rem; min-height: 90px;
  border: 1px dashed var(--line); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
}
.ad-label { font-size: .72rem; letter-spacing: .05em; text-transform: uppercase; color: var(--ink-soft); }

/* =============================================================
   7. Cómo funciona / SEO text
   ============================================================= */
.section-como-funciona, .section-faq { max-width: 780px; margin: 0 auto; padding: 2rem 1.25rem; }
.section-como-funciona h2, .section-faq h2 { font-size: 1.5rem; margin-bottom: 1.25rem; }

.steps { list-style: none; display: grid; gap: 1.25rem; margin-bottom: 2.5rem; }
@media (min-width: 720px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.steps li { border: 1px solid var(--line); border-radius: 10px; padding: 1.1rem; }
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 50%; background: var(--accent-soft); color: var(--accent);
  font-weight: 800; font-size: .85rem; margin-bottom: .6rem;
}
.steps h3 { font-size: 1rem; margin-bottom: .35rem; }
.steps p { font-size: .88rem; color: var(--ink-soft); }

.seo-text h2 { font-size: 1.25rem; margin-top: 1.5rem; margin-bottom: .75rem; }
.seo-text p { color: var(--ink-soft); margin-bottom: .9rem; }
.seo-text strong { color: var(--ink); }

/* =============================================================
   8. FAQ
   ============================================================= */
.faq-list { display: grid; gap: .6rem; }
.faq-item {
  border: 1px solid var(--line); border-radius: 10px; padding: .9rem 1rem;
}
.faq-item summary { font-weight: 600; cursor: pointer; }
.faq-item p { color: var(--ink-soft); margin-top: .6rem; font-size: .92rem; }

/* =============================================================
   9. Responsive
   ============================================================= */
@media (min-width: 960px) {
  .tool-card { padding: 2rem; }
}