/**
 * Landing pública — Diagnóstico T0 Codemediia.
 * Dirección: confianza comercial BO (ink + amber), tipografía Figtree + Source Serif 4.
 */
:root {
  --dx-ink: #111719;
  --dx-ink-soft: #0a1015;
  --dx-paper: #f6f5f1;
  --dx-paper-2: #e7eef1;
  --dx-amber: #19aee5;
  --dx-amber-deep: #087ca5;
  --dx-teal: #087ca5;
  --dx-line: #dfe4e7;
  --dx-muted: #6b7280;
  --dx-ok: #35c92f;
  --dx-danger: #b42318;
  --dx-radius: 14px;
  --dx-max: 720px;
  --font-sans: 'Figtree', system-ui, sans-serif;
  --font-display: 'Source Serif 4', Georgia, serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--dx-ink);
  background: var(--dx-paper);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.dx-atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(25, 174, 229, 0.2), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(53, 201, 47, 0.12), transparent 50%),
    linear-gradient(180deg, #eef6f8 0%, var(--dx-paper) 38%, var(--dx-paper-2) 100%);
}

.dx-atmosphere::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='48'%3E%3Cpath d='M48 0H0v48' fill='none' stroke='%230c1b2a' stroke-opacity='.06' stroke-width='1'/%3E%3C/svg%3E");
}

.dx-wrap {
  width: min(100% - 2rem, var(--dx-max));
  margin-inline: auto;
}

/* ── Top bar ── */
.dx-top {
  padding: 1.1rem 0 0.5rem;
}

.dx-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.dx-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: inherit;
}

.dx-brand-icon {
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 0.55rem;
  display: block;
}

.dx-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.dx-brand-text strong {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.dx-brand-text span {
  font-size: 0.78rem;
  color: var(--dx-muted);
  font-weight: 600;
}

.dx-top-link {
  color: var(--dx-ink-soft);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.dx-top-link:hover {
  color: var(--dx-teal);
}

/* ── Hero ── */
.dx-main {
  padding: 1.5rem 0 3.5rem;
}

.dx-hero {
  text-align: left;
  margin-bottom: 1.75rem;
  animation: dx-rise 0.55s ease-out both;
}

.dx-kicker {
  margin: 0 0 0.65rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--dx-teal);
}

.dx-title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 5vw, 2.65rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--dx-ink);
  max-width: 16ch;
}

.dx-lead {
  margin: 0;
  font-size: 1.05rem;
  color: var(--dx-muted);
  max-width: 36rem;
}

/* ── Panel (form / status) ── */
.dx-panel {
  background: #fff;
  border: 1px solid var(--dx-line);
  border-radius: calc(var(--dx-radius) + 4px);
  padding: 1.35rem 1.25rem 1.5rem;
  box-shadow: 0 18px 40px rgba(17, 23, 25, 0.06);
  animation: dx-rise 0.65s ease-out 0.08s both;
}

@media (min-width: 640px) {
  .dx-panel {
    padding: 1.75rem 1.75rem 1.85rem;
  }
}

.dx-steps {
  list-style: none;
  margin: 0 0 1.35rem;
  padding: 0;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.dx-steps li {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--dx-muted);
  padding: 0.35rem 0.7rem 0.35rem 0.35rem;
  border-radius: 999px;
  background: rgba(17, 23, 25, 0.04);
}

.dx-steps li span {
  width: 1.45rem;
  height: 1.45rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--dx-line);
  font-size: 0.75rem;
  font-weight: 800;
}

.dx-steps li.is-active {
  color: var(--dx-ink);
  background: rgba(8, 124, 165, 0.1);
}

.dx-steps li.is-active span {
  background: var(--dx-teal);
  border-color: var(--dx-teal);
  color: #fff;
}

.dx-steps li.is-done {
  color: var(--dx-ok);
}

.dx-steps li.is-done span {
  background: var(--dx-ok);
  border-color: var(--dx-ok);
  color: #fff;
}

.dx-form {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.dx-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--dx-ink);
}

.dx-label-soft {
  margin-top: 0.85rem;
  font-weight: 600;
  color: var(--dx-muted);
}

.dx-label-soft span {
  font-weight: 500;
  opacity: 0.85;
}

.dx-url-row {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

@media (min-width: 640px) {
  .dx-url-row {
    flex-direction: row;
    align-items: stretch;
  }
}

.dx-input {
  width: 100%;
  border: 1px solid var(--dx-line);
  border-radius: 10px;
  padding: 0.75rem 0.9rem;
  font: inherit;
  font-size: 1rem;
  color: var(--dx-ink);
  background: #fff;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.dx-input-lg {
  padding: 0.9rem 1rem;
  font-size: 1.02rem;
}

.dx-input:focus {
  outline: none;
  border-color: var(--dx-teal);
  box-shadow: 0 0 0 3px rgba(8, 124, 165, 0.18);
}

.dx-input::placeholder {
  color: #8a97a5;
}

.dx-btn {
  appearance: none;
  border: none;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  border-radius: 10px;
  padding: 0.9rem 1.25rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s ease, background 0.15s ease;
}

.dx-btn:disabled {
  opacity: 0.7;
  cursor: wait;
}

.dx-btn-primary {
  background: var(--dx-amber);
  color: #fff;
}

.dx-btn-primary:hover:not(:disabled) {
  background: var(--dx-amber-deep);
  transform: translateY(-1px);
}

.dx-btn-block {
  width: 100%;
  margin-top: 0.5rem;
}

@media (min-width: 640px) {
  .dx-url-row .dx-btn {
    flex-shrink: 0;
    white-space: nowrap;
  }
}

.dx-checks {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--dx-line);
  display: grid;
  gap: 0.55rem;
}

@media (min-width: 640px) {
  .dx-checks {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
  }
}

.dx-checks li {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
  font-size: 0.88rem;
  color: var(--dx-ink-soft);
  font-weight: 600;
}

.dx-checks i {
  color: var(--dx-teal);
  margin-top: 0.1rem;
}

.dx-alert {
  margin-top: 1rem;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  font-size: 0.92rem;
  font-weight: 600;
}

.dx-alert-danger {
  background: #fef3f2;
  color: var(--dx-danger);
  border: 1px solid #fecdca;
}

.d-none,
[hidden] {
  display: none !important;
}

/* ── Status ── */
.dx-status {
  text-align: center;
}

.dx-status-live {
  padding: 0.5rem 0 0.25rem;
}

.dx-pulse {
  width: 3rem;
  height: 3rem;
  margin: 0.25rem auto 1rem;
  border-radius: 50%;
  border: 3px solid rgba(8, 124, 165, 0.2);
  border-top-color: var(--dx-teal);
  animation: dx-spin 0.85s linear infinite;
}

.dx-status-title {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
}

.dx-status-msg {
  margin: 0 auto;
  max-width: 28rem;
  color: var(--dx-muted);
  font-size: 0.95rem;
}

.dx-status-ready {
  padding: 0.5rem 0 0.25rem;
  animation: dx-rise 0.4s ease-out both;
}

.dx-ready-label {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--dx-teal);
}

.dx-score {
  margin: 0.35rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 4rem);
  font-weight: 700;
  line-height: 1;
  color: var(--dx-ink);
}

.dx-score-scale {
  margin: 0.25rem 0 1rem;
  color: var(--dx-muted);
  font-size: 0.9rem;
}

.dx-ready-hint {
  margin: 0.85rem 0 0;
  font-size: 0.82rem;
  color: var(--dx-muted);
}

/* ── Outcomes ── */
.dx-outcomes {
  margin-top: 2.75rem;
  animation: dx-rise 0.7s ease-out 0.16s both;
}

.dx-section-title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
}

.dx-outcome-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 700px) {
  .dx-outcome-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.15rem;
  }
}

.dx-outcome-grid article {
  padding: 0;
}

.dx-outcome-grid h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.dx-outcome-grid p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--dx-muted);
}

/* ── Footer ── */
.dx-footer {
  padding: 1.5rem 0 2.5rem;
  border-top: 1px solid var(--dx-line);
  color: var(--dx-muted);
  font-size: 0.82rem;
}

.dx-footer p {
  margin: 0.2rem 0;
}

.dx-footer strong {
  color: var(--dx-ink-soft);
}

@keyframes dx-rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes dx-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .dx-hero,
  .dx-panel,
  .dx-outcomes,
  .dx-status-ready,
  .dx-pulse {
    animation: none;
  }
}