:root {
  --ink: #0f2740;
  --muted: #5c6f84;
  --paper: #f3f7fb;
  --card: #ffffff;
  --line: #d5e3f2;
  --blue: #1c86ee;
  --blue-deep: #0d5fad;
  --blue-soft: #e7f2fc;
  --ok: #d8f3e3;
  --ok-border: #2f9e66;
  --bad: #fde2e4;
  --bad-border: #d64550;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(15, 39, 64, 0.08);
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Outfit", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(28, 134, 238, 0.18), transparent 60%),
    radial-gradient(900px 420px at 100% 0%, rgba(13, 95, 173, 0.12), transparent 55%),
    linear-gradient(180deg, #eef5fc 0%, var(--paper) 40%, #e9f0f7 100%);
  line-height: 1.5;
}

a { color: var(--blue-deep); }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(28, 134, 238, 0.15);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  display: flex;
  align-items: center;
  gap: .85rem;
  text-decoration: none;
  color: inherit;
}

.brand img {
  height: 52px;
  width: auto;
  display: block;
}

.brand-text strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.brand-text span {
  display: block;
  font-size: .82rem;
  color: var(--muted);
}

.header-meta {
  font-size: .85rem;
  color: var(--muted);
  text-align: right;
}

main {
  width: min(860px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.5rem 0 3.5rem;
}

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  box-shadow: var(--shadow);
  padding: 1.5rem 1.4rem;
  margin-bottom: 1rem;
  animation: rise .45s ease both;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

.eyebrow {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--blue-deep);
  margin-bottom: .55rem;
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4vw, 2.25rem);
  line-height: 1.15;
  margin: 0 0 .65rem;
  letter-spacing: -0.02em;
}

.lede {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 1.02rem;
}

.instructions {
  color: var(--ink);
  font-size: 1.02rem;
  margin: 0 0 1.35rem;
}

.instructions p {
  margin: 0 0 1rem;
}

.instructions p:last-child {
  margin-bottom: 0;
}

.link-accent {
  color: #c0392b;
  font-weight: 650;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.consent {
  display: flex;
  gap: .75rem;
  align-items: flex-start;
  padding: 1rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--blue-soft);
  cursor: pointer;
  margin-bottom: 1.25rem;
  font-size: 1rem;
}

.consent input {
  margin-top: .3rem;
  flex-shrink: 0;
  width: 1.1rem;
  height: 1.1rem;
}

.seleccion {
  animation: rise .35s ease both;
}

.next-steps p {
  margin: 0;
  color: var(--muted);
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

@media (max-width: 700px) {
  .choice-grid { grid-template-columns: 1fr; }
  .header-meta { display: none; }
}

.choice {
  appearance: none;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #fff, #f7fbff);
  border-radius: var(--radius);
  padding: 1.2rem 1.1rem;
  text-align: left;
  cursor: pointer;
  transition: border-color .15s, transform .15s, box-shadow .15s;
  font: inherit;
  color: inherit;
}

.choice:hover {
  border-color: var(--blue);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(28, 134, 238, 0.12);
}

.choice h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 0 0 .35rem;
  color: var(--blue-deep);
}

.choice p {
  margin: 0;
  color: var(--muted);
  font-size: .95rem;
}

.choice .range {
  display: inline-block;
  margin-top: .75rem;
  font-size: .8rem;
  font-weight: 700;
  color: var(--blue);
  background: var(--blue-soft);
  padding: .25rem .55rem;
  border-radius: 999px;
}

.mode-row {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1.25rem;
  align-items: center;
  margin-top: 1.25rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  font-size: .95rem;
}

.mode-row label { font-weight: 600; }

.mode-row select {
  font: inherit;
  padding: .45rem .65rem;
  border-radius: 8px;
  border: 1px solid #bfd3ea;
  background: #fff;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.progress {
  font-size: .95rem;
  color: var(--muted);
}

.progress strong { color: var(--blue-deep); }

.progress-bar {
  width: 100%;
  height: 8px;
  background: #d9e7f5;
  border-radius: 999px;
  overflow: hidden;
  margin: .55rem 0 1rem;
}

.progress-bar > span {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--blue), var(--blue-deep));
  transition: width .25s ease;
}

button {
  font: inherit;
  font-weight: 650;
  border: none;
  border-radius: 10px;
  padding: .7rem 1.15rem;
  cursor: pointer;
  transition: background .15s, transform .1s, opacity .15s;
}

button:active { transform: scale(.98); }
button:disabled { opacity: .45; cursor: not-allowed; }

.btn-primary {
  background: var(--blue);
  color: #fff;
}
.btn-primary:hover:not(:disabled) { background: var(--blue-deep); }

.btn-secondary {
  background: #e4edf7;
  color: var(--ink);
}
.btn-secondary:hover:not(:disabled) { background: #d3e2f2; }

.q-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem;
  margin-bottom: .9rem;
  box-shadow: var(--shadow);
}

.q-card .q-num {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: .35rem;
}

.q-card .q-text {
  font-size: 1.05rem;
  margin: 0 0 .9rem;
  white-space: pre-wrap;
}

.options {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .45rem;
}

.options label {
  display: flex;
  gap: .65rem;
  align-items: flex-start;
  padding: .7rem .8rem;
  border: 1px solid transparent;
  border-radius: 10px;
  cursor: pointer;
  transition: background .15s, border-color .15s;
}

.options label:hover { background: var(--blue-soft); }

.options input { margin-top: .28rem; flex-shrink: 0; }

.opt-letter {
  font-weight: 700;
  color: var(--blue-deep);
  min-width: 1.25rem;
}

.step-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  margin: 1rem 0;
  padding: .85rem 1rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.step-indicator {
  color: var(--muted);
  text-align: center;
  flex: 1;
}
.step-indicator strong { color: var(--blue-deep); }

.actions-center {
  display: flex;
  justify-content: center;
  gap: .75rem;
  margin-top: 1.25rem;
}

.results-hero {
  text-align: center;
  padding: 1.5rem 1rem 1.1rem;
}

.results-hero .level {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 6vw, 3.2rem);
  color: #c0392b;
  margin: .35rem 0 .5rem;
  letter-spacing: -0.03em;
}

.results-hero .score {
  color: var(--muted);
  margin: 0;
}

.breakdown {
  width: 100%;
  border-collapse: collapse;
  font-size: .95rem;
  margin: .5rem 0 1rem;
}

.breakdown th,
.breakdown td {
  border-bottom: 1px solid var(--line);
  padding: .65rem .4rem;
  text-align: left;
}

.breakdown th { color: var(--blue-deep); font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }

.pill {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  padding: .2rem .5rem;
  border-radius: 999px;
}
.pill-ok { background: var(--ok); color: #1b6b42; }
.pill-no { background: var(--bad); color: #8f2430; }
.pill-skip { background: #eef2f6; color: var(--muted); }

.mistake {
  border-left: 3px solid var(--blue);
  padding: .15rem 0 .15rem .9rem;
  margin-bottom: 1rem;
}

.mistake .tag-ok { color: #1b6b42; font-weight: 700; }
.mistake .tag-bad { color: #8f2430; font-weight: 700; }

.hidden { display: none !important; }

.site-footer {
  text-align: center;
  color: var(--muted);
  font-size: .82rem;
  padding: 0 1rem 2rem;
}

.site-footer a { color: var(--blue-deep); text-decoration: none; }

.alert {
  background: #fff4d6;
  border: 1px solid #f0d48a;
  color: #6a5200;
  border-radius: 10px;
  padding: .75rem 1rem;
  margin-bottom: 1rem;
  font-size: .92rem;
}