/* ── Reset & Variables ───────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --verde:        #1a6b2f;
  --verde-med:    #228b3c;
  --verde-claro:  #e8f5ec;
  --verde-borde:  #a8d5b5;
  --dorado:       #c9a227;
  --dorado-claro: #fdf6e3;
  --gris-oscuro:  #2c3e50;
  --gris-med:     #546e7a;
  --gris-claro:   #eceff1;
  --blanco:       #ffffff;
  --sombra:       0 4px 24px rgba(0,0,0,.10);
  --sombra-lg:    0 8px 40px rgba(0,0,0,.14);
  --radio:        10px;
  --ff-t: Roboto,'Helvetica Neue','Playfair Display'  ;
  --ff-b: sans-serif, Arial, 'Source Sans 3',  system-ui;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--ff-b);
  background: #f0f4f0;
  color: var(--gris-oscuro);
  min-height: 100vh;
}


/* ── Banda superior ──────────────────────────────────────── */
.banda-top { background: var(--verde); height: 6px; }

/* ── Header institucional ────────────────────────────────── */
.header-institucional {
  background: var(--blanco);
  border-bottom: 3px solid var(--verde-borde);
  box-shadow: var(--sombra);
}
.header-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0.6rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
/* Imagen nitida — no escalar hacia arriba, renderizado crisp */
.header-inner img {
  max-height: 100px;
  width: auto;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  image-rendering: high-quality;
  -ms-interpolation-mode: bicubic;
  object-fit: contain;
  display: block;
}

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--verde) 0%, #0d4020 100%);
  color: var(--blanco);
  text-align: center;
  padding: 2.5rem 1.5rem 2rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/svg%3E");
}
.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 30px;
  padding: .3rem 1.2rem;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  color: #c8f7d4;
}
.hero h1 {
  font-family: var(--ff-t);
  font-size: clamp(1.2rem, 3vw, 1.7rem);
  font-weight: 700;
  line-height: 1.35;
  max-width: 750px;
  margin: 0 auto .8rem;
}
.hero-sub { font-size: .9rem; color: #b2dfc0; font-weight: 300; }

/* ── Main wrap ───────────────────────────────────────────── */
.main-wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
}

/* ── Card instrucciones ──────────────────────────────────── */
.card-instrucciones {
  background: var(--dorado-claro);
  border: 1px solid #e8d48a;
  border-left: 5px solid var(--dorado);
  border-radius: var(--radio);
  padding: 1.5rem 1.8rem;
  margin-bottom: 2rem;
}
.card-instrucciones h2 {
  font-family: var(--ff-t);
  font-size: 1rem;
  color: #7a5a00;
  margin-bottom: .7rem;
  display: flex;
  align-items: center;
  gap: .6rem;
}
.card-instrucciones h2 i { font-size: .95rem; }
.card-instrucciones p, .card-instrucciones li {
  font-size: .9rem;
  color: #5a4200;
  line-height: 1.65;
}
.card-instrucciones ul { margin: .6rem 0 0 1.4rem; }
.card-instrucciones li { margin-bottom: .3rem; }

/* ── Card datos encuestado ───────────────────────────────── */
.card-datos {
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 1.8rem;
  margin-bottom: 2rem;
  border-top: 4px solid var(--verde);
}
.card-datos h2 {
  font-family: var(--ff-t);
  font-size: 1.05rem;
  color: var(--verde);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: .6rem;
}
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}
.form-group label {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .82rem;
  font-weight: 600;
  color: var(--gris-med);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: .35rem;
}
.form-group label i { font-size: .8rem; }
.form-group input {
  width: 100%;
  padding: .6rem .9rem;
  border: 1.5px solid #cfd8dc;
  border-radius: 6px;
  font-family: var(--ff-b);
  font-size: .93rem;
  color: var(--gris-oscuro);
  transition: border-color .2s;
  background: #fafafa;
}
.form-group input:focus {
  outline: none;
  border-color: var(--verde);
  background: var(--blanco);
}

/* ── Escala de referencia ────────────────────────────────── */
.escala-ref {
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 1.2rem 1.8rem;
  margin-bottom: 2rem;
  border-left: 4px solid var(--verde-med);
}
.escala-ref h3 {
  font-size: .85rem;
  font-weight: 700;
  color: var(--verde);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: .8rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.escala-items { display: flex; flex-wrap: wrap; gap: .5rem; }
.escala-chip {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .82rem;
  color: var(--gris-med);
}
.escala-num {
  width: 26px; height: 26px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .8rem; flex-shrink: 0;
}
.n1 { background:#fde8e8; color:#c0392b; }
.n2 { background:#fef3e2; color:#e67e22; }
.n3 { background:#fafafa; color:#7f8c8d; border:1px solid #ddd; }
.n4 { background:#e8f5ec; color:#27ae60; }
.n5 { background:#d5f0de; color:#1a6b2f; }

/* ── Seccion wrap ────────────────────────────────────────── */
.seccion-wrap {
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  margin-bottom: 2rem;
  overflow: hidden;
}
.seccion-header {
  position: sticky; top: 0; z-index: 10;
  background: var(--verde);
  color: var(--blanco);
  padding: 1rem 1.5rem;
  display: flex; align-items: center; gap: 1rem;
  box-shadow: 0 3px 12px rgba(0,0,0,.2);
}
.seccion-icono {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: rgba(255,255,255,.18);
  border: 2px solid rgba(255,255,255,.5);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.seccion-info { flex: 1; }
.seccion-label {
  font-size: .7rem; font-weight: 600;
  letter-spacing: .15em; text-transform: uppercase;
  color: #a8ddb8; margin-bottom: .15rem;
}
.seccion-titulo { font-family: var(--ff-t); font-size: 1.05rem; font-weight: 600; }
.seccion-prog { font-size: .78rem; color: #a8ddb8; white-space: nowrap; }

/* ── Tabla header ────────────────────────────────────────── */
.tabla-header {
  display: grid;
  grid-template-columns: 1fr repeat(5, 80px);
  background: #f1f8f3;
  border-bottom: 2px solid var(--verde-borde);
  padding: .6rem 1.5rem;
  gap: .3rem;
}
.tabla-header .col-enunciado {
  font-size: .72rem; font-weight: 700;
  color: var(--gris-med); text-transform: uppercase;
  letter-spacing: .08em; display: flex; align-items: center;
}
.tabla-header .col-opt {
  font-size: .78rem; font-weight: 800;
  color: var(--verde); text-align: center;
  line-height: 1;
}

/* ── Fila item ───────────────────────────────────────────── */
.item-row {
  display: grid;
  grid-template-columns: 1fr repeat(5, 80px);
  align-items: center;
  padding: .9rem 1.5rem;
  border-bottom: 1px solid #eef2ee;
  gap: .3rem;
  transition: background .15s;
}
.item-row:last-child { border-bottom: none; }
.item-row:hover { background: #f9fdf9; }
.item-row.respondido { background: #f3fbf5; }
.item-row.faltante { background: #fff3f3; outline: 2px solid #e74c3c; outline-offset: -2px; }

.item-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 24px;
  background: var(--verde-claro); color: var(--verde);
  border-radius: 50%; font-size: .72rem; font-weight: 700;
  flex-shrink: 0; margin-right: .6rem;
}
.item-texto {
  font-size: .88rem; color: var(--gris-oscuro);
  line-height: 1.5; display: flex; align-items: flex-start;
}

/* Radio personalizado */
.col-radio { display: flex; justify-content: center; align-items: center; }
.col-radio input[type="radio"] {
  appearance: none; -webkit-appearance: none;
  width: 22px; height: 22px;
  border: 2px solid #b0bec5; border-radius: 50%;
  cursor: pointer; position: relative;
  transition: all .2s; flex-shrink: 0;
}
.col-radio input[type="radio"]:hover { border-color: var(--verde); background: var(--verde-claro); }
.col-radio input[type="radio"]:checked { border-color: var(--verde); background: var(--verde); box-shadow: 0 0 0 3px rgba(26,107,47,.2); }
.col-radio input[type="radio"]:checked::after {
  content: ''; position: absolute;
  width: 8px; height: 8px;
  background: var(--blanco); border-radius: 50%;
  top: 50%; left: 50%; transform: translate(-50%, -50%);
}
.val-1:checked { border-color:#c0392b; background:#c0392b; box-shadow:0 0 0 3px rgba(192,57,43,.2); }
.val-2:checked { border-color:#e67e22; background:#e67e22; box-shadow:0 0 0 3px rgba(230,126,34,.2); }
.val-3:checked { border-color:#7f8c8d; background:#7f8c8d; box-shadow:0 0 0 3px rgba(127,140,141,.2); }
.val-4:checked { border-color:#27ae60; background:#27ae60; box-shadow:0 0 0 3px rgba(39,174,96,.2); }
.val-5:checked { border-color:#1a6b2f; background:#1a6b2f; box-shadow:0 0 0 3px rgba(26,107,47,.2); }

/* ── Barra de progreso ───────────────────────────────────── */
.progress-bar-wrap {
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 1.2rem 1.8rem;
  margin-bottom: 1.5rem;
  position: sticky; bottom: 1rem; z-index: 5;
}
.progress-label {
  display: flex; justify-content: space-between;
  font-size: .82rem; font-weight: 600; color: var(--gris-med);
  margin-bottom: .5rem;
}
.progress-track {
  height: 8px; background: var(--gris-claro);
  border-radius: 4px; overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--verde-med), var(--verde));
  border-radius: 4px; width: 0%;
  transition: width .4s ease;
}

/* ── Botón enviar ────────────────────────────────────────── */
.btn-enviar-wrap { text-align: center; margin-top: 2rem; }
.btn-enviar {
  display: inline-flex; align-items: center; gap: .7rem;
  background: var(--verde); color: var(--blanco);
  font-family: var(--ff-b); font-size: 1rem; font-weight: 600;
  padding: .9rem 2.8rem;
  border: none; border-radius: 50px; cursor: pointer;
  box-shadow: 0 4px 16px rgba(26,107,47,.35);
  transition: all .25s; letter-spacing: .04em;
}
.btn-enviar:hover { background: #155a27; box-shadow: 0 6px 24px rgba(26,107,47,.45); transform: translateY(-2px); }
.btn-enviar:active { transform: translateY(0); }

/* ── Footer ──────────────────────────────────────────────── */
footer {
  text-align: center; padding: 1.5rem 1rem;
  font-size: .78rem; color: #90a4ae;
  border-top: 1px solid #dde; background: var(--blanco);
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 700px) {
  .tabla-header, .item-row {
    grid-template-columns: 1fr repeat(5, 48px);
    padding: .7rem .8rem; gap: .1rem;
  }
  .tabla-header .col-opt { font-size: .68rem; }
  .col-radio input[type="radio"] { width: 18px; height: 18px; }
  .item-num { width: 20px; height: 20px; font-size: .65rem; }
  .item-texto { font-size: .82rem; }
  .seccion-header { padding: .8rem 1rem; }
  .seccion-icono { width: 34px; height: 34px; font-size: .95rem; }
}