:root {
  --sense-night: #080d16;
  --sense-ink: #eef7f8;
  --sense-muted: #93a8ad;
  --sense-cyan: #32c7dc;
  --sense-green: #72c99a;
  --sense-line: #233b43;
}

body {
  color: var(--sense-ink);
  background: var(--sense-night);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.evidence-header {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 2rem;
  align-items: center;
  min-height: 80px;
  padding: 1rem clamp(1.25rem, 4vw, 4rem);
  border-bottom: 1px solid var(--sense-line);
}

.evidence-header > a {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  width: fit-content;
  text-decoration: none;
}

.evidence-header nav {
  display: flex;
  gap: 1.5rem;
  color: #c6d7da;
  font-size: 0.78rem;
  font-weight: 700;
}

.signal-opening {
  display: grid;
  grid-template-columns: minmax(19rem, 0.86fr) minmax(26rem, 1.45fr);
  
  border-bottom: 1px solid var(--sense-line);
}

.signal-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 3vw, 3.5rem);
}

.signal-copy > p:first-child,
.evidence-notes header > p,
.adjacent-tools header > p,
.evidence-contact header > p {
  margin: 0 0 1rem;
  color: var(--sense-cyan);
  font: 700 0.7rem/1.35 ui-monospace, "SFMono-Regular", monospace;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.signal-copy h1 {
  margin: 0;
  font-family: "New York", "Iowan Old Style", Georgia, serif;
  font-size: clamp(3.2rem, 4.6vw, 5.1rem);
  font-weight: 500;
  letter-spacing: -0.07em;
  line-height: 0.84;
}

.signal-subtitle {
  margin: 1.2rem 0 0;
  color: var(--sense-green);
  font-size: clamp(1.3rem, 2.3vw, 2.2rem);
  line-height: 1.05;
}

.signal-pitch {
  max-width: 32rem;
  margin: 1.8rem 0 0;
  color: #c8d6d8;
  line-height: 1.6;
}

.signal-copy .app-store-action {
  margin-top: 1rem;
  margin-left: -10px;
}

.signal-screens {
  position: relative;
  margin: 0;
  display: grid;
  grid-template-columns: 1.12fr 1fr 1fr;
  align-items: end;
  gap: clamp(0.6rem, 1.6vw, 1.2rem);
  padding: clamp(1.6rem, 3.4vw, 3rem) clamp(1.2rem, 2.4vw, 2.4rem);
  border-left: 1px solid var(--sense-line);
}

.signal-shot {
  margin: 0;
}

.signal-shot:not(.signal-shot--lead) {
  padding-bottom: clamp(0.8rem, 3vw, 2.6rem);
}

.signal-screens picture {
  display: block;
}

.signal-screens img {
  width: 100%;
  height: auto;
}

.signal-screens-note {
  grid-column: 1 / -1;
  justify-self: end;
  margin: 0.4rem 0 0;
  left: 0;
  padding: 0.55rem 0.75rem;
  color: var(--sense-night);
  background: var(--sense-cyan);
  font: 700 0.64rem/1.3 ui-monospace, monospace;
  text-transform: uppercase;
}

.confidence-strip {
  padding: 1.5rem clamp(1.25rem, 4vw, 4rem);
  border-bottom: 1px solid var(--sense-line);
}

.confidence-strip > p {
  margin: 0 0 1rem;
  color: var(--sense-muted);
  font: 700 0.68rem/1.4 ui-monospace, monospace;
  text-transform: uppercase;
}

.confidence-strip dl {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: 0;
}

.confidence-strip dl > div {
  display: grid;
  grid-template-columns: 2.8rem 1fr;
  gap: 0.8rem;
  padding-right: 1.5rem;
}

.confidence-strip dt {
  color: var(--sense-cyan);
  font: 700 0.7rem/1.5 ui-monospace, monospace;
}

.confidence-strip dd {
  margin: 0;
  font-weight: 700;
}

.evidence-notes,
.adjacent-tools,
.evidence-contact,
.evidence-footer {
  width: min(1160px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.evidence-notes {
  padding-block: clamp(5rem, 10vw, 9rem);
}

.evidence-notes h2,
.adjacent-tools h2,
.evidence-contact h2 {
  max-width: 17ch;
  margin: 0;
  font-family: "New York", "Iowan Old Style", Georgia, serif;
  font-size: clamp(2.8rem, 6vw, 5.8rem);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 0.96;
}

.notes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 3rem;
  border-top: 1px solid var(--sense-line);
}

.notes article {
  padding: 1.75rem 2rem 2rem 0;
  border-bottom: 1px solid var(--sense-line);
}

.notes article:nth-child(even) {
  padding-left: 2rem;
  border-left: 1px solid var(--sense-line);
}

.notes article > p:first-child {
  color: var(--sense-cyan);
  font: 700 0.7rem/1.4 ui-monospace, monospace;
}

.notes h3,
.notes p {
  margin: 0;
}

.notes h3 {
  margin-bottom: 0.5rem;
}

.notes p:last-child,
.evidence-boundary,
.adjacent-tools > p {
  color: var(--sense-muted);
  line-height: 1.65;
}

.evidence-boundary {
  max-width: 52rem;
  margin: 2rem 0 0;
}

.adjacent-tools {
  padding-block: clamp(4.5rem, 8vw, 7rem);
  border-top: 1px solid var(--sense-line);
}

.adjacent-tools ul {
  margin: 2rem 0 1rem;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--sense-line);
}

.adjacent-tools li {
  border-bottom: 1px solid var(--sense-line);
}

.adjacent-tools li a {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 1rem;
  align-items: center;
  padding: 1rem 0;
  text-decoration: none;
}

.adjacent-tools small {
  display: block;
  color: var(--sense-muted);
}

.evidence-contact {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(2rem, 8vw, 8rem);
  padding-block: clamp(4.5rem, 9vw, 8rem);
  border-top: 1px solid var(--sense-line);
}

.evidence-contact header > p:last-child {
  color: var(--sense-muted);
  line-height: 1.6;
}

.evidence-contact .support-form {
  grid-template-columns: 1fr 1fr;
}

.evidence-contact .message-field,
.evidence-contact button,
.evidence-contact .form-status {
  grid-column: 1 / -1;
}

.evidence-contact button {
  color: var(--sense-night);
  border-color: var(--sense-cyan);
  background: var(--sense-cyan);
}

.evidence-footer {
  padding-block: 2rem 3rem;
  color: var(--sense-muted);
  border-top: 1px solid var(--sense-line);
}

@media (max-width: 980px) {
  .signal-opening {
    grid-template-columns: 1fr;
  }

  .signal-copy {
    grid-column: 1 / -1;
    min-height: 440px;
  }

  .signal-screens {
    border-top: 1px solid var(--sense-line);
  }

}

@media (max-width: 680px) {
  /* une seule colonne : le rail de captures prend toute la largeur */
  .signal-opening {
    grid-template-columns: 1fr;
  }

  .signal-screens {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: 64%;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    padding: 1.4rem 1.25rem;
  }

  .signal-shot {
    scroll-snap-align: center;
  }

  .signal-shot:not(.signal-shot--lead) {
    padding-bottom: 0;
  }

  .signal-screens-note {
    display: none;
  }

  .evidence-header {
    grid-template-columns: 1fr auto;
    gap: 1rem;
  }

  .evidence-header nav {
    display: none;
  }

  .signal-copy {
    min-height: auto;
    padding: 3rem 1.25rem 2rem;
  }

  .signal-copy h1 {
    font-size: 4.6rem;
  }

  .confidence-strip dl,
  .notes,
  .evidence-contact {
    grid-template-columns: 1fr;
  }

  .confidence-strip dl {
    gap: 0.8rem;
  }

  .notes article:nth-child(even) {
    padding-left: 0;
    border-left: 0;
  }

  .evidence-contact .support-form {
    grid-template-columns: 1fr;
  }

  .evidence-contact .message-field,
  .evidence-contact button,
  .evidence-contact .form-status {
    grid-column: auto;
  }
}
.missing-signal {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  min-height: 100vh;
}

.missing-signal section {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 7vw, 7rem);
  border-right: 1px solid var(--sense-line);
}

.missing-signal section > p:first-child {
  color: var(--sense-cyan);
  font: 700 0.7rem/1.3 ui-monospace, monospace;
}

.missing-signal h1 {
  margin: 0;
  font-family: "New York", Georgia, serif;
  font-size: clamp(4rem, 8vw, 7rem);
  font-weight: 500;
  line-height: 0.9;
}

.missing-signal figure {
  margin: 0; display: flex; align-items: center; justify-content: center; padding: clamp(1.5rem, 4vw, 3rem); }

.missing-signal figure img { width: auto; max-width: 100%; max-height: 82vh; height: auto; margin-inline: auto; }