/* Public register: atlas-only index, studio merge, correspondence, privacy. */

.portfolio-section {
  display: none !important;
}

.about-section .method-content {
  max-width: 70rem;
  margin-top: 0;
}

.about-section .method-grid {
  margin: 4.5rem 0 0;
}

.atlas-row {
  grid-template-columns: 3rem 2.5rem 1fr auto auto;
}

.atlas-stage {
  min-width: 10rem;
  color: var(--quiet);
  font: 400 0.58rem var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding-right: 1.25rem;
  text-align: right;
  white-space: nowrap;
}

.atlas-row.is-public .atlas-stage {
  color: var(--cyan);
}

.atlas-row.is-active .atlas-stage {
  color: var(--violet-bright);
}

.active-rail {
  position: relative;
  isolation: isolate;
  overflow: clip;
  max-width: 120rem;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 9.5vw, 10rem) clamp(5rem, 10vw, 8rem);
}

.active-rail-intro {
  max-width: 36rem;
  margin-bottom: 2.5rem;
}

.active-rail-intro > p:not(.eyebrow) {
  margin: 0;
  color: var(--muted);
  font: 400 0.82rem / 1.8 var(--mono);
}

.active-rail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.active-rail-card {
  min-height: 14rem;
  padding: 1.5rem;
  background: linear-gradient(135deg, rgba(15, 17, 38, 0.82), rgba(7, 8, 18, 0.94));
}

.active-rail-card > span {
  color: var(--violet);
  font: 400 0.62rem var(--mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.active-rail-card h3 {
  margin: 2.2rem 0 0.9rem;
  color: var(--text);
  font: 500 1.3rem var(--serif);
  letter-spacing: 0.02em;
}

.active-rail-card p {
  margin: 0;
  color: var(--muted);
  font: 400 0.75rem / 1.7 var(--mono);
}

.featured-subprojects a {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: inherit;
}

.featured-subprojects a:hover {
  color: var(--violet-bright);
}

.correspondence-section {
  --section-haze: rgba(38, 176, 199, 0.16);
  background:
    radial-gradient(circle at 14% 42%, rgba(126, 74, 224, 0.12), transparent 24rem),
    linear-gradient(135deg, #090e1ba8, #070812b3);
}

.correspondence-section .lead-copy {
  max-width: 38rem;
}

.signal-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem 1.5rem;
  max-width: 42rem;
  margin: 3.5rem 0 0 24%;
}

.signal-field {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.signal-field-wide {
  grid-column: 1 / -1;
}

.signal-honey {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.signal-field label {
  color: var(--violet);
  font: 400 0.62rem var(--mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.signal-field input,
.signal-field select,
.signal-field textarea {
  width: 100%;
  padding: 0.85rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: rgba(7, 8, 18, 0.72);
  color: var(--text);
  font: 400 0.82rem / 1.6 var(--mono);
}

.signal-field input:focus-visible,
.signal-field select:focus-visible,
.signal-field textarea:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-color: var(--violet-bright);
}

.signal-field textarea {
  min-height: 9.5rem;
  resize: vertical;
}

.signal-field select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--cyan) 50%),
    linear-gradient(135deg, var(--cyan) 50%, transparent 50%);
  background-position: calc(100% - 1.15rem) 1.15rem, calc(100% - 0.85rem) 1.15rem;
  background-size: 0.32rem 0.32rem, 0.32rem 0.32rem;
  background-repeat: no-repeat;
}

.signal-form .button {
  cursor: pointer;
}

.signal-actions {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.4rem;
  margin-top: 0.4rem;
}

.signal-note,
.signal-status {
  margin: 0;
  color: var(--quiet);
  font: 400 0.72rem / 1.7 var(--mono);
}

.signal-status[data-tone="ok"] {
  color: var(--cyan);
}

.signal-status[data-tone="error"] {
  color: #ffb4b4;
}

.status-dialog {
  max-height: min(46rem, calc(100vh - 1.5rem));
}

.status-dialog .dialog-actions {
  gap: 0.95rem 1.15rem;
  padding-bottom: 0.15rem;
}

.site-footer .footer-meta {
  flex-wrap: wrap;
}

.privacy-page .site-shell {
  min-height: 100vh;
}

.privacy-page .privacy-home {
  margin-left: auto;
}

@media (min-width: 901px) {
  .privacy-page .privacy-home {
    display: none;
  }
}

.privacy-article {
  max-width: 42rem;
  margin: 0;
}

.privacy-article h1 {
  margin: 0 0 1.5rem;
  font: 500 clamp(2.4rem, 6vw, 4.5rem) / 0.98 var(--serif);
  letter-spacing: -0.05em;
}

.privacy-article p,
.privacy-article li {
  color: var(--muted);
  font: 400 0.9rem / 1.8 var(--mono);
}

.privacy-article a {
  color: var(--violet-bright);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

/* Studio expansion: software, updates, mobile beta, and FAQ. */
.desktop-nav {
  gap: clamp(0.7rem, 1.3vw, 1.5rem);
}

.desktop-nav > a {
  font-size: clamp(0.5rem, 0.58vw, 0.62rem);
}

.solutions-section,
.updates-section,
.mobile-section,
.faq-section {
  position: relative;
}

.solutions-section {
  background:
    radial-gradient(circle at 82% 12%, rgba(77, 210, 229, 0.1), transparent 28rem),
    linear-gradient(180deg, rgba(12, 14, 31, 0.55), rgba(7, 8, 18, 0));
}

.solutions-grid,
.mobile-apps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 3.5rem 0 0 24%;
  border: 1px solid var(--line);
  background: var(--line);
}

.solution-card,
.mobile-app-card {
  display: flex;
  min-height: 20rem;
  flex-direction: column;
  align-items: flex-start;
  padding: clamp(1.35rem, 2.2vw, 2.2rem);
  background: rgba(7, 8, 18, 0.9);
}

.solution-card-featured {
  background:
    linear-gradient(145deg, rgba(28, 51, 75, 0.7), rgba(12, 12, 29, 0.96)),
    rgba(7, 8, 18, 0.9);
}

.solution-kicker,
.mobile-app-card > p:first-of-type,
.testflight-steps > p {
  margin: 0;
  color: var(--cyan);
  font: 400 0.62rem var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.solution-card h3,
.mobile-app-card h3,
.update-item h3 {
  margin: 2.8rem 0 1rem;
  color: var(--text);
  font: 500 clamp(1.4rem, 2vw, 2rem) / 1.04 var(--serif);
  letter-spacing: -0.025em;
}

.solution-card > p:not(.solution-kicker),
.mobile-app-body,
.update-item p,
.faq-item p {
  margin: 0;
  color: var(--muted);
  font: 400 0.78rem / 1.75 var(--mono);
}

.solution-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: auto 0 1.5rem;
  padding: 2rem 0 0;
  list-style: none;
}

.solution-tags li {
  padding: 0.4rem 0.55rem;
  border: 1px solid var(--line);
  color: var(--quiet);
  font: 400 0.57rem var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.engagement-callout {
  display: grid;
  grid-template-columns: minmax(12rem, 0.85fr) minmax(16rem, 1.3fr) auto;
  align-items: center;
  gap: 2rem;
  margin: 1px 0 0 24%;
  padding: clamp(1.35rem, 2.5vw, 2.1rem);
  border: 1px solid var(--line);
  background:
    linear-gradient(105deg, rgba(25, 50, 64, 0.8), rgba(11, 13, 29, 0.9)),
    rgba(7, 8, 18, 0.9);
}

.engagement-callout h3 {
  margin: 0.65rem 0 0;
  color: var(--text);
  font: 500 clamp(1.25rem, 1.8vw, 1.7rem) / 1.05 var(--serif);
  letter-spacing: -0.025em;
}

.engagement-callout > p {
  margin: 0;
  color: var(--muted);
  font: 400 0.76rem / 1.75 var(--mono);
}

.engagement-callout .button {
  white-space: nowrap;
}

.protocol-section {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 74% 26%, rgba(77, 210, 229, 0.14), transparent 30rem),
    radial-gradient(circle at 8% 78%, rgba(126, 74, 224, 0.16), transparent 26rem),
    linear-gradient(135deg, rgba(8, 16, 28, 0.94), rgba(7, 8, 18, 0.96));
}

.protocol-section::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(114, 217, 237, 0.065) 1px, transparent 1px),
    linear-gradient(90deg, rgba(114, 217, 237, 0.065) 1px, transparent 1px);
  background-size: 2.75rem 2.75rem;
  content: "";
  mask-image: linear-gradient(90deg, black, transparent 84%);
}

.protocol-intro {
  position: relative;
  z-index: 1;
}

.protocol-intro .section-heading h2 {
  max-width: 11ch;
}

.protocol-status {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 2rem 0 0;
  padding: 0.55rem 0.75rem;
  border: 1px solid rgba(77, 210, 229, 0.32);
  color: var(--cyan);
  font: 400 0.6rem var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.protocol-principles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 4.5rem 0 0 24%;
  border: 1px solid var(--line);
  background: var(--line);
}

.protocol-principle {
  min-height: 16rem;
  padding: clamp(1.35rem, 2.5vw, 2.25rem);
  background: rgba(7, 8, 18, 0.78);
}

.protocol-principle > span {
  color: var(--cyan);
  font: 400 0.64rem var(--mono);
  letter-spacing: 0.15em;
}

.protocol-principle h3 {
  margin: 2.4rem 0 0.85rem;
  color: var(--text);
  font: 500 clamp(1.35rem, 1.8vw, 1.8rem) / 1.05 var(--serif);
  letter-spacing: -0.025em;
}

.protocol-principle p,
.protocol-boundary p:last-child {
  margin: 0;
  color: var(--muted);
  font: 400 0.76rem / 1.78 var(--mono);
}

.protocol-boundary {
  display: grid;
  grid-template-columns: 10rem 1fr;
  gap: 1.5rem;
  margin: 1px 0 0 24%;
  padding: 1.4rem 1.5rem;
  border: 1px solid rgba(255, 180, 180, 0.22);
  background: rgba(25, 10, 20, 0.6);
}

.protocol-boundary p:first-child {
  margin: 0;
  color: #ffb4b4;
  font: 400 0.62rem var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.updates-section {
  background: linear-gradient(90deg, rgba(126, 74, 224, 0.06), transparent 55%);
}

.updates-list {
  margin: 3.5rem 0 0 24%;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.update-item {
  display: grid;
  grid-template-columns: 10rem 1fr;
  gap: 1.5rem;
  padding: 1.8rem 0;
  border-bottom: 1px solid var(--line);
}

.update-item > div {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.55rem;
}

.update-item time,
.update-item span {
  font: 400 0.62rem var(--mono);
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.update-item time { color: var(--cyan); }
.update-item span { color: var(--quiet); }
.update-item h3 { margin: 0 0 0.65rem; font-size: 1.45rem; }

.mobile-section {
  background:
    radial-gradient(circle at 78% 25%, rgba(126, 74, 224, 0.12), transparent 27rem),
    rgba(9, 10, 23, 0.4);
}

.mobile-apps-grid {
  grid-template-columns: repeat(2, 1fr);
}

.mobile-app-card { min-height: 18rem; }
.mobile-app-number {
  color: var(--violet-bright);
  font: 400 0.68rem var(--mono);
  letter-spacing: 0.16em;
}
.mobile-app-card h3 { margin-top: 2.5rem; }
.mobile-app-card .button { margin-top: auto; }

.testflight-steps {
  display: grid;
  grid-template-columns: 10rem 1fr;
  gap: 1.5rem;
  margin: 1px 0 0 24%;
  padding: 1.4rem 1.5rem;
  border: 1px solid var(--line);
  background: rgba(7, 8, 18, 0.68);
}

.testflight-steps ol {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
  font: 400 0.74rem / 1.7 var(--mono);
}

.faq-list {
  margin: 3.5rem 0 0 24%;
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.35rem 0;
  cursor: pointer;
  color: var(--text);
  font: 500 clamp(1.05rem, 1.55vw, 1.35rem) / 1.25 var(--serif);
  list-style: none;
}

.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary span {
  color: var(--cyan);
  font: 300 1.4rem / 1 var(--mono);
}
.faq-item[open] summary span { transform: rotate(45deg); }
.faq-item p { max-width: 45rem; padding: 0 3rem 1.5rem 0; }

@media (max-width: 900px) {
  .solutions-grid,
  .mobile-apps-grid {
    grid-template-columns: 1fr;
    margin-left: 0;
  }

  .updates-list,
  .faq-list,
  .testflight-steps,
  .engagement-callout,
  .protocol-principles,
  .protocol-boundary {
    margin-left: 0;
  }

  .update-item,
  .testflight-steps,
  .engagement-callout,
  .protocol-boundary {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .protocol-principles {
    grid-template-columns: 1fr;
  }

  .active-rail-grid,
  .signal-form {
    display: block;
  }

  .signal-form {
    margin: 2rem 0 0;
  }

  .signal-field + .signal-field {
    margin-top: 1.1rem;
  }

  .signal-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.2rem;
  }

  .active-rail-card + .active-rail-card {
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 640px) {
  .atlas-row {
    grid-template-columns: 2.4rem 1.8rem 1fr auto;
  }

  .atlas-action {
    display: none;
  }

  .atlas-stage {
    display: block;
    padding-right: 0;
    font-size: 0.5rem;
    letter-spacing: 0.08em;
  }

  .about-section .method-grid,
  .about-section .method-content {
    margin-left: 0;
  }

  .active-rail {
    padding: 0 1.25rem 3.5rem;
  }

  .active-rail-card {
    min-height: 0;
    padding: 1.2rem 0 1.5rem;
    background: none;
    border: 0;
  }

  .solution-card,
  .mobile-app-card,
  .protocol-principle {
    min-height: 0;
  }
}