:root {
  --green: #1f7a4d;
  --green-dark: #155a39;
  --bg: #f6f8f7;
  --card: #ffffff;
  --text: #0f1a14;
  --muted: #5c6b63;
  --line: #dfe7e2;
  --danger: #e5533d;
  --danger-bg: #fff6f4;
  --shadow: 0 10px 28px rgba(0,0,0,.08);
  --radius: 18px;
}

/* ==============================
   RESET & BASE
   ============================== */
* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

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

/* ==============================
   LAYOUT
   ============================== */
.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

main {
  padding: 20px 0 32px;
}

/* ==============================
   HEADER / HERO
   ============================== */
.site-header {
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: #ffffff;
  padding: 22px 0 28px;
}

.breadcrumbs {
  font-size: .9rem;
  opacity: .9;
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 20px;
  margin-top: 14px;
}

h1 {
  margin: .6rem 0 .4rem;
  font-size: clamp(1.6rem, 2.8vw, 2.4rem);
}

h2 {
  font-size: 1.15rem;
  margin: .4rem 0 .4rem;
}

.lede {
  max-width: 70ch;
  color: rgba(255,255,255,.92);
}

.hero-media {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: var(--radius);
  padding: 10px;
}

.hero-media img {
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius) - 6px);
  display: block;
}

.media-note {
  font-size: .85rem;
  opacity: .9;
  margin-top: 6px;
}

/* ==============================
   BUTTONS
   ============================== */
.cta-row,
.form-actions,
.share-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.btn,
.btn-secondary {
  padding: 11px 18px;
  border-radius: 999px;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn {
  background: #ffffff;
  color: var(--green-dark);
}

.btn-secondary {
  background: transparent;
  color: #ffffff;
  border-color: rgba(255,255,255,.4);
}

.btn-secondary:hover {
  background: rgba(255,255,255,.12);
}

/* Pills */
.mini-info {
  margin-top: 14px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.pill {
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: .85rem;
}

/* ==============================
   CARDS
   ============================== */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  margin: 16px 0;
}

.checklist {
  padding-left: 18px;
}

.checklist li {
  margin: 6px 0;
}

.disclaimer {
  font-size: .9rem;
  color: var(--muted);
  margin-top: 12px;
}

/* ==============================
   QUIZ
   ============================== */
.q-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  margin: 14px 0;
  transition: border .2s ease, background .2s ease;
}

.q-title {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.q-num {
  width: 34px;
  height: 34px;
  background: rgba(31,122,77,.12);
  color: var(--green-dark);
  border-radius: 10px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Opciones */
.options {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.opt {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  cursor: pointer;
  background: #ffffff;
}

.opt:hover {
  background: #f4f8f6;
}

.opt input {
  transform: scale(1.1);
}

/* Preguntas sin responder */
.q-missing {
  border: 2px solid var(--danger);
  background: var(--danger-bg);
}

.q-missing .q-num {
  background: var(--danger);
  color: #ffffff;
}

/* ==============================
   HELP ICON (? clicable)
   ============================== */
.help-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  margin-left: 6px;
  border-radius: 50%;
  background: var(--green-dark);
  color: #ffffff;
  font-size: .75rem;
  font-weight: 700;
  cursor: pointer;
}

.help-text {
  display: none;
  font-size: .9rem;
  color: var(--muted);
  margin-top: 6px;
  line-height: 1.4;
}

.help-text.is-open {
  display: block;
  padding-left: 6px;
  border-left: 3px solid var(--green);
}

/* ==============================
   PROGRESS
   ============================== */
.progress-bar {
  width: 100%;
  height: 12px;
  background: rgba(255,255,255,.25);
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.3);
}

.progress-bar.big {
  height: 14px;
  background: #edf3ef;
  border: 1px solid var(--line);
}

.progress-fill {
  height: 100%;
  background: #ffffff;
  transition: width .3s ease;
}

.progress-bar.big .progress-fill {
  background: var(--green);
}

/* ==============================
   SHARE BUTTONS
   ============================== */
.share-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: #f0f5f2;
  border: 1px solid var(--line);
  font-weight: 600;
  font-size: .95rem;
  color: var(--green-dark);
  transition: background .2s ease, transform .1s ease;
}

.share-btn:hover {
  background: #e6efe9;
  transform: translateY(-1px);
}

.share-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.share-wa { color: #1f7a4d; }
.share-tg { color: #1c6fd5; }
.share-x  { color: #000000; }
.share-fb { color: #1877f2; }

/* ==============================
   FOOTER
   ============================== */
.site-footer {
  padding: 18px 0;
  color: var(--muted);
  text-align: center;
  font-size: .9rem;
}

/* ==============================
   RESPONSIVE
   ============================== */
@media (max-width: 880px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}