/* Diagnóstico de canal. Escopo: body.canal. */

body.canal {
  --bone: #f6f4f0;
  --paper: #fbfaf7;
  --ink: #161513;
  --soft: #3c3834;
  --mute: #6f6860;
  --line: rgba(22, 21, 19, 0.14);
  --accent: #17bfdf;
  --coal: #12161c;
  --coal-text: #f4f1eb;
  margin: 0;
  background: var(--coal);
  color: var(--coal-text);
  font-family: Satoshi, "Avenir Next", "Segoe UI", sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
  letter-spacing: -0.012em;
}

body.canal * { box-sizing: border-box; }

body.canal a { color: inherit; }

.canal-skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--ink);
  color: var(--bone);
  padding: 0.55rem 0.8rem;
  z-index: 20;
}

.canal-skip:focus { top: 1rem; }

.canal-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.1rem 0;
}

.canal-mark {
  font-weight: 700;
  letter-spacing: -0.04em;
  text-decoration: none;
  font-size: 1.25rem;
}

.canal-mark span { color: var(--accent); }

.canal-bar a.canal-quiet {
  color: rgba(244, 241, 235, 0.72);
  text-decoration: none;
  font-size: 0.92rem;
}

.canal-entry {
  background: var(--coal);
  color: var(--coal-text);
  min-height: calc(100vh - 4.5rem);
  padding: 3.5rem 0 5rem;
}

.canal-wrap {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.canal-kicker {
  margin: 0 0 1rem;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.canal-entry h1,
.canal-result h2,
.canal-block h2,
.canal-lead h2 {
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.05;
  text-wrap: balance;
}

.canal-entry h1 {
  margin: 0 0 1.1rem;
  max-width: 16ch;
  font-size: clamp(2.4rem, 6vw, 4.6rem);
}

.canal-lede {
  max-width: 38rem;
  margin: 0 0 2.2rem;
  color: rgba(244, 241, 235, 0.78);
  font-size: 1.12rem;
}

.canal-form label {
  display: block;
  margin-bottom: 0.7rem;
  font-size: 1.05rem;
}

.canal-row {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.canal-row input[type="url"],
.canal-row input[type="text"],
.canal-lead input {
  width: 100%;
  border: 0;
  border-bottom: 1px solid rgba(244, 241, 235, 0.35);
  background: transparent;
  color: var(--coal-text);
  font: inherit;
  font-size: 1.35rem;
  padding: 0.85rem 0;
  border-radius: 0;
}

.canal-lead input {
  color: var(--coal-text);
  border-bottom-color: rgba(244, 241, 235, 0.28);
  font-size: 1.05rem;
}

.canal-row input:focus,
.canal-lead input:focus,
.canal-button:focus,
.canal-text-button:focus,
.canal-facts summary:focus {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.canal-button {
  align-self: flex-start;
  border: 0;
  background: var(--accent);
  color: var(--coal);
  font: inherit;
  font-weight: 700;
  font-size: 1rem;
  padding: 0.95rem 1.2rem;
  cursor: pointer;
}

.canal-button:disabled { opacity: 0.6; cursor: wait; }

.canal-note,
.canal-error {
  margin: 0.9rem 0 0;
  font-size: 0.95rem;
}

.canal-note { color: rgba(244, 241, 235, 0.62); }

.canal-error { color: #f4f1eb; }

.canal-honeypot {
  position: absolute;
  left: -9999px;
}

.canal-progress,
.canal-result,
.canal-block,
.canal-actions,
.canal-facts,
.canal-technical,
.canal-queries,
.canal-domains,
.canal-paper {
  background: var(--paper);
  color: var(--ink);
}

.canal-progress { background: var(--bone); }

.canal-progress h1 {
  margin: 0 0 0.4rem;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.04em;
}

.canal-url {
  margin: 0 0 2rem;
  color: var(--mute);
}

.canal-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.canal-steps li {
  display: grid;
  grid-template-columns: 0.9rem 1fr;
  gap: 0.9rem;
  padding: 0.95rem 0;
  border-top: 1px solid var(--line);
}

.canal-steps li:last-child { border-bottom: 1px solid var(--line); }

.canal-dot {
  width: 0.55rem;
  height: 0.55rem;
  margin-top: 0.45rem;
  border-radius: 50%;
  background: transparent;
  border: 1px solid var(--mute);
}

.canal-steps li.is-current .canal-dot { background: var(--accent); border-color: var(--accent); }
.canal-steps li.is-done .canal-dot { background: var(--ink); border-color: var(--ink); }

.canal-step-state {
  display: block;
  color: var(--mute);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.canal-steps li.is-current .canal-step-state { color: var(--accent); }
.canal-steps li.is-current strong { color: var(--ink); }

.canal-result { background: var(--paper); }

.canal-result h2,
.canal-block h2,
.canal-actions h2 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.canal-score {
  background: var(--paper);
  color: var(--ink);
  padding-bottom: 1rem;
}
.canal-score-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
}
.canal-score-copy { min-width: 0; max-width: 40rem; }
.canal-score-value {
  margin: 0;
  font-size: clamp(3.4rem, 8vw, 5.6rem);
  letter-spacing: -0.045em;
  line-height: 0.9;
  font-weight: 500;
  color: var(--ink);
}
.canal-score-missing { margin: 0; font-size: 2rem; font-weight: 500; color: var(--ink); }
.canal-score-label { margin: 0.35rem 0 1.15rem; font-size: 1.35rem; color: var(--ink); }
.canal-score-badge {
  display: inline-flex;
  align-items: baseline;
  flex-shrink: 0;
  margin: 0;
  padding: 0.28rem 0.6rem;
  background: var(--accent);
  color: #07323a;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
  white-space: nowrap;
}
.canal-score-badge-hero {
  margin-top: 0.15rem;
  padding: 0.55rem 0.8rem;
  font-size: clamp(2rem, 4vw, 2.8rem);
}
.canal-score-badge-hero span {
  margin-left: 0.28rem;
  font-size: 0.42em;
  font-weight: 500;
}
.canal-dimension-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}
.canal-dimension-head h3 { flex: 1; }
.canal-dimension-head .canal-score-badge { margin-top: 0.2rem; font-size: 1.35rem; }
.canal-score-line {
  width: 16rem;
  max-width: 100%;
  height: 3px;
  margin-top: 1rem;
  background: #e4ddd4;
}
.canal-score-line span { display: block; height: 100%; background: #17bfdf; }
.canal-gap { margin-top: 2rem; max-width: 40rem; }
.canal-gap-level { margin: 0.2rem 0 0.4rem; font-size: 1.6rem; font-weight: 500; letter-spacing: -0.03em; }
.canal-commercial {
  background: #efeae3;
  color: var(--ink);
  padding: 4rem 0;
}
.canal-commercial h2 {
  margin: 0 0 0.8rem;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  color: var(--ink);
}
.canal-commercial .canal-lede {
  color: var(--soft);
  margin-bottom: 1.4rem;
}
.canal-commercial .canal-mini { display: block; margin: 0 0 1.35rem; }
.canal-commercial label {
  display: block;
  color: var(--ink);
  font-size: 0.95rem;
}
.canal-commercial input {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.55rem 0;
  border: 0;
  border-bottom: 1px solid rgba(22, 21, 19, 0.28);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 1.15rem;
}
.canal-commercial input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.canal-commercial .canal-button { margin-top: 1.1rem; }

.canal-bottleneck {
  margin-top: 2.4rem;
  max-width: 40rem;
}

.canal-bottleneck p,
.canal-dimension p,
.canal-split p { margin: 0.35rem 0 0; }

.canal-coverage {
  margin-top: 1.5rem;
  color: var(--soft);
  max-width: 40rem;
}

.canal-coverage ul { margin: 0.4rem 0 0; padding-left: 1.1rem; }

.canal-dimensions { background: #efeae3; }

.canal-dimension {
  padding: 1.6rem 0;
  border-top: 1px solid var(--line);
}

.canal-dimension h3 {
  margin: 0;
  font-size: 1.7rem;
  font-weight: 500;
  letter-spacing: -0.03em;
}

.canal-mini {
  color: var(--mute);
  font-size: 0.92rem;
}

.canal-layers {
  display: grid;
  gap: 2.2rem;
  width: min(1120px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 3.2rem 0 4.2rem;
  background: var(--paper);
  color: var(--ink);
}

.canal-split {
  min-width: 0;
  padding-top: 1.15rem;
  border-top: 2px solid var(--ink);
}

.canal-split h2 {
  margin: 0 0 0.2rem;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.canal-split p {
  margin: 0;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--line);
  line-height: 1.55;
  font-size: 1.02rem;
}

.canal-split article:last-child p { border-bottom: 0; padding-bottom: 0; }

.canal-split.is-observed { border-top-color: var(--ink); }
.canal-split.is-observed h2 { color: var(--ink); }

.canal-split.is-analysis { border-top-color: var(--accent); }
.canal-split.is-analysis h2 { color: var(--accent); }

.canal-split.is-action { border-top-color: var(--ink); }
.canal-split.is-action h2 { color: var(--ink); }
.canal-split.is-action p { font-weight: 500; }

.canal-actions { background: var(--paper); border-top: 1px solid var(--line); }

.canal-action {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 0.5rem 1rem;
  padding: 1.4rem 0;
  border-top: 1px solid var(--line);
}

.canal-action b {
  font-size: 1.8rem;
  font-weight: 500;
  letter-spacing: -0.04em;
  color: var(--accent);
}

.canal-action span {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
}

.canal-progress,
.canal-result,
.canal-block,
.canal-actions {
  padding: 4rem 0;
}
.canal-facts { background: var(--bone); padding: 1rem 0 2rem; }
.canal-facts summary,
.canal-technical summary,
.canal-offers summary { cursor: pointer; font-weight: 500; }
.canal-offer { margin: 0.35rem 0; }
.canal-facts li { margin: 0.45rem 0; }

.canal-technical,
.canal-queries,
.canal-domains { background: var(--bone); padding: 1rem 0 2.5rem; }

.canal-technical h2,
.canal-queries h2,
.canal-domains h2 {
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.03em;
}

.canal-query,
.canal-domain {
  padding: 0.9rem 0;
  border-top: 1px solid var(--line);
}

.canal-query dl,
.canal-domain dl {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.2rem 1rem;
  margin: 0.4rem 0 0;
}

.canal-query dt,
.canal-domain dt { color: var(--mute); font-size: 0.82rem; }

.canal-query dd,
.canal-domain dd { margin: 0 0 0.35rem; }

.canal-lead {
  background: var(--coal);
  color: var(--coal-text);
  padding: 4.5rem 0;
}

.canal-lead h2 {
  margin: 0 0 0.8rem;
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.canal-lead .canal-lede { color: rgba(244, 241, 235, 0.75); }

.canal-fields {
  display: grid;
  gap: 0.3rem 1.2rem;
  max-width: 40rem;
}

.canal-lead label { font-size: 0.92rem; color: rgba(244, 241, 235, 0.8); }

.canal-fail {
  min-height: 60vh;
  display: grid;
  align-content: center;
  padding: 4rem 0;
  color: var(--coal-text);
}

.canal-fail h1 {
  margin: 0 0 1rem;
  max-width: 14ch;
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.canal-text-button {
  display: inline-block;
  margin-top: 1rem;
  background: none;
  border: 0;
  border-bottom: 1px solid currentColor;
  color: inherit;
  font: inherit;
  padding: 0 0 0.1rem;
  cursor: pointer;
}

@media (min-width: 720px) {
  .canal-row { flex-direction: row; align-items: flex-end; }
  .canal-row input[type="url"] { flex: 1; }
  .canal-fields { grid-template-columns: 1fr 1fr; }
  .canal-query dl { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1080px) {
  .canal-layers {
    grid-template-columns: 1.15fr 0.95fr 0.95fr;
    gap: 2.4rem;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .canal-dimensions-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 3rem;
  }
}

.canal-objective {
  margin: 1.5rem 0 0;
  padding: 0;
  border: 0;
}
.canal-objective legend {
  margin: 0 0 .4rem;
  font-family: "Inter Tight", Inter, sans-serif;
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: -.02em;
}
.canal-option {
  display: grid;
  grid-template-columns: 1.1rem 1fr;
  gap: .75rem;
  align-items: start;
  padding: .7rem 0;
  border-top: 1px solid rgba(23, 23, 23, .12);
  cursor: pointer;
}
.canal-option strong,
.canal-option small {
  display: block;
}
.canal-option small {
  margin-top: .15rem;
  color: #5c5c5c;
  font-size: .92rem;
  line-height: 1.4;
}
.canal-option input {
  margin-top: .35rem;
}