:root {
  --color-bg: #f6f3ed;
  --color-surface: #fbf8f2;
  --color-surface-strong: #f0ece3;
  --color-text: #171717;
  --color-text-muted: rgba(23, 23, 23, 0.64);
  --color-border: rgba(1, 105, 111, 0.16);
  --color-accent: #01696f;
  --color-accent-strong: #014e53;
  --color-danger: #9b2c2c;
  --shadow-soft: 0 14px 36px rgba(0, 0, 0, 0.06);
  --content-width: 760px;
  --font-body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html {
  color-scheme: light;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.14em;
}

img {
  display: block;
  max-width: 100%;
}

button,
input,
textarea {
  font: inherit;
}

.site-header {
  width: min(calc(100% - 2rem), 1100px);
  margin: 0 auto;
  padding: 1rem 0 0;
}

.site-header nav,
.site-header .nav,
header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

main,
.site-main {
  width: min(calc(100% - 2rem), 1100px);
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

article,
.prose,
.content-shell,
.page-shell {
  width: min(100%, var(--content-width));
}

p,
li {
  max-width: 72ch;
}

h1,
h2,
h3,
h4 {
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  font-weight: 600;
}

h1 {
  font-size: clamp(2.3rem, 5vw, 4.4rem);
  max-width: 14ch;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin-top: 3rem;
}

h3 {
  font-size: 1rem;
  margin-top: 2.2rem;
  color: var(--color-text-muted);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 500;
}

p {
  margin: 0 0 1.25rem;
  font-size: 1.06rem;
}

ul,
ol {
  margin: 0 0 1.25rem 1.25rem;
}

li + li {
  margin-top: 0.45rem;
}

.hero,
.intro-block {
  padding: 1rem 0 2rem;
}

.eyebrow,
.kicker {
  display: inline-block;
  margin-bottom: 1.15rem;
  color: var(--color-text-muted);
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-block,
.content-section {
  padding: 1.2rem 0;
}

.cta-row,
.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin: 2rem 0;
}

button,
.button,
.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.7rem 1rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease, opacity 180ms ease;
}

button:hover,
.button:hover,
.cta-button:hover,
button:focus-visible,
.button:focus-visible,
.cta-button:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
  outline: none;
}

#bot-container {
  width: min(100%, var(--content-width));
  margin: 2rem 0 0;
}

.bot-shell {
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.bot-shell p {
  margin: 0;
}

/* Architect panel */
.architect-panel {
  margin-top: 2.5rem;
  padding: 1.35rem;
  border: 1px solid rgba(1, 105, 111, 0.16);
  background: rgba(255, 255, 255, 0.6);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.05);
}

.briefing-display {
  min-height: 9rem;
  padding: 1.1rem 1.2rem;
  border: 1px solid rgba(1, 105, 111, 0.12);
  background: rgba(255, 255, 255, 0.7);
}

.briefing-entry {
  display: grid;
  gap: 1.1rem;
}

.briefing-label,
.briefing-kicker,
.architect-meta,
.architect-status,
.architect-error {
  margin: 0;
  font-size: 0.74rem;
  line-height: 1.4;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.briefing-label,
.briefing-kicker,
.architect-meta,
.architect-status {
  color: rgba(17, 24, 39, 0.5);
}

.architect-error {
  color: #9f2f2f;
}

.briefing-question,
.briefing-answer,
.briefing-copy {
  display: grid;
  gap: 0.55rem;
}

.briefing-question p,
.briefing-answer p,
.briefing-copy p {
  margin: 0;
}

.briefing-question p:last-child {
  color: rgba(17, 24, 39, 0.78);
  font-size: 0.96rem;
}

.briefing-copy p {
  color: rgba(17, 24, 39, 0.9);
  line-height: 1.72;
  font-size: 0.98rem;
}

.architect-input-wrapper {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.8rem;
  align-items: end;
  margin-top: 1.1rem;
}

.architect-input {
  width: 100%;
  min-height: 3.3rem;
  max-height: 13rem;
  padding: 0.95rem 1.05rem;
  border: 1px solid rgba(1, 105, 111, 0.16);
  background: rgba(255, 255, 255, 0.9);
  color: inherit;
  resize: none;
  overflow-y: auto;
  line-height: 1.55;
}

.architect-input::placeholder {
  color: rgba(17, 24, 39, 0.42);
}

.architect-input:focus {
  outline: none;
  border-color: #01696f;
  box-shadow: 0 0 0 1px rgba(1, 105, 111, 0.85);
}

.architect-submit {
  min-width: 7.25rem;
  height: 3.1rem;
  padding: 0 1.05rem;
  border: 1px solid #01696f;
  background: transparent;
  color: #01696f;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background-color 0.2s ease, color 0.2s ease, opacity 0.2s ease, border-color 0.2s ease;
}

.architect-submit:hover,
.architect-submit:focus-visible {
  background: #01696f;
  color: #ffffff;
  outline: none;
}

.architect-panel[data-loading="true"] {
  opacity: 0.6;
  cursor: wait;
}

.architect-submit:disabled,
.architect-input:disabled {
  cursor: wait;
}

.architect-meta {
  padding-top: 0.15rem;
}

@media (max-width: 720px) {
  .architect-panel {
    margin-top: 2rem;
  }

  .architect-input-wrapper {
    grid-template-columns: 1fr;
  }

  .architect-submit {
    width: 100%;
  }
}

.briefing-display {
  min-height: 7.5rem;
  padding: 0.95rem 1rem;
  border: 1px solid rgba(1, 105, 111, 0.1);
  background: rgba(255, 255, 255, 0.62);
}

.briefing-entry {
  display: grid;
  gap: 0.95rem;
}

.briefing-label,
.briefing-kicker,
.architect-meta,
.architect-status,
.architect-error {
  margin: 0;
  font-size: 0.7rem;
  line-height: 1.4;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.briefing-label,
.briefing-kicker,
.architect-meta,
.architect-status {
  color: rgba(17, 24, 39, 0.48);
}

.architect-error {
  color: #9f2f2f;
}

.briefing-question,
.briefing-answer,
.briefing-copy {
  display: grid;
  gap: 0.45rem;
}

.briefing-question p,
.briefing-answer p,
.briefing-copy p {
  margin: 0;
}

.briefing-question p:last-child {
  color: rgba(17, 24, 39, 0.72);
  font-size: 0.93rem;
}

.briefing-copy p {
  color: rgba(17, 24, 39, 0.88);
  line-height: 1.68;
  font-size: 0.96rem;
}

.architect-input-wrapper {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.7rem;
  align-items: end;
  margin-top: 0.9rem;
}

.architect-input {
  width: 100%;
  min-height: 3rem;
  max-height: 13rem;
  padding: 0.82rem 0.95rem;
  border: 1px solid rgba(1, 105, 111, 0.14);
  background: rgba(255, 255, 255, 0.84);
  color: inherit;
  resize: none;
  overflow-y: auto;
  line-height: 1.5;
}

.architect-input::placeholder {
  color: rgba(17, 24, 39, 0.4);
}

.architect-input:focus {
  outline: none;
  border-color: #01696f;
  box-shadow: 0 0 0 1px rgba(1, 105, 111, 0.75);
}

.architect-submit {
  min-width: 6.5rem;
  height: 3rem;
  padding: 0 0.95rem;
  border: 1px solid #01696f;
  background: transparent;
  color: #01696f;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, opacity 0.2s ease, border-color 0.2s ease;
}

.architect-submit:hover,
.architect-submit:focus-visible {
  background: #01696f;
  color: #ffffff;
  outline: none;
}

.architect-panel[data-loading="true"] {
  opacity: 0.55;
  cursor: wait;
}

.architect-submit:disabled,
.architect-input:disabled {
  cursor: wait;
}

.architect-meta {
  padding-top: 0.05rem;
}

@media (max-width: 720px) {
  .architect-input-wrapper {
    grid-template-columns: 1fr;
  }

  .architect-submit {
    width: 100%;
  }
}

.briefing-display {
  min-height: 8rem;
  padding: 1rem;
  border: 1px solid rgba(1, 105, 111, 0.12);
  background: rgba(255, 255, 255, 0.66);
}

.briefing-entry {
  display: grid;
  gap: 1rem;
}

.briefing-label,
.briefing-kicker,
.architect-meta,
.architect-status,
.architect-error {
  margin: 0;
  font-size: 0.72rem;
  line-height: 1.4;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.briefing-label,
.briefing-kicker,
.architect-meta,
.architect-status {
  color: rgba(17, 24, 39, 0.52);
}

.architect-error {
  color: #9f2f2f;
}

.briefing-question,
.briefing-answer,
.briefing-copy {
  display: grid;
  gap: 0.5rem;
}

.briefing-question p,
.briefing-answer p,
.briefing-copy p {
  margin: 0;
}

.briefing-question p:last-child {
  color: rgba(17, 24, 39, 0.72);
  font-size: 0.95rem;
}

.briefing-copy p {
  color: rgba(17, 24, 39, 0.9);
  line-height: 1.7;
  font-size: 0.98rem;
}

.architect-input-wrapper {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: end;
  margin-top: 1rem;
}

.architect-input {
  width: 100%;
  min-height: 3rem;
  max-height: 13rem;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(1, 105, 111, 0.16);
  background: rgba(255, 255, 255, 0.86);
  color: inherit;
  resize: none;
  overflow-y: auto;
  line-height: 1.55;
}

.architect-input::placeholder {
  color: rgba(17, 24, 39, 0.42);
}

.architect-input:focus {
  outline: none;
  border-color: #01696f;
  box-shadow: 0 0 0 1px rgba(1, 105, 111, 0.9);
}

.architect-submit {
  min-width: 7rem;
  height: 3rem;
  padding: 0 1rem;
  border: 1px solid #01696f;
  background: transparent;
  color: #01696f;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, opacity 0.2s ease, border-color 0.2s ease;
}

.architect-submit:hover,
.architect-submit:focus-visible {
  background: #01696f;
  color: #ffffff;
  outline: none;
}

.architect-panel[data-loading="true"] {
  opacity: 0.55;
  cursor: wait;
}

.architect-submit:disabled,
.architect-input:disabled {
  cursor: wait;
}

.architect-meta {
  padding-top: 0.1rem;
}

@media (max-width: 720px) {
  .architect-input-wrapper {
    grid-template-columns: 1fr;
  }

  .architect-submit {
    width: 100%;
  }
}

.briefing-display {
  min-height: 8rem;
  padding: 1rem;
  border: 1px solid var(--color-border);
  background: #fffdf9;
}

.briefing-entry {
  display: grid;
  gap: 1rem;
}

.briefing-label,
.briefing-kicker,
.architect-meta,
.architect-status,
.architect-error {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.4;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.briefing-label,
.briefing-kicker,
.architect-meta,
.architect-status {
  color: var(--color-text-muted);
}

.architect-error {
  color: var(--color-danger);
}

.briefing-question,
.briefing-answer {
  display: grid;
  gap: 0.45rem;
}

.briefing-question p:last-child,
.briefing-answer p,
.briefing-copy p {
  margin: 0;
}

.briefing-copy {
  display: grid;
  gap: 0.9rem;
}

.architect-input-wrapper {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: end;
}

.architect-input {
  width: 100%;
  min-height: 3rem;
  max-height: 13.75rem;
  padding: 0.85rem 0.95rem;
  border: 1px solid var(--color-border);
  background: #fffdf9;
  color: var(--color-text);
  resize: none;
  overflow-y: auto;
  line-height: 1.5;
}

.architect-input::placeholder {
  color: var(--color-text-muted);
}

.architect-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent);
}

.architect-submit {
  min-width: 7rem;
  height: 3rem;
  padding: 0 1rem;
  border: 1px solid var(--color-accent);
  background: transparent;
  color: var(--color-accent);
  line-height: 1;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, opacity 0.2s ease;
}

.architect-submit:hover,
.architect-submit:focus-visible {
  background: var(--color-accent);
  color: #ffffff;
  outline: none;
}

.architect-submit:disabled,
.architect-input:disabled {
  cursor: wait;
}

.site-footer,
footer {
  width: min(calc(100% - 2rem), 1100px);
  margin: 0 auto;
  padding: 1rem 0 3rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.site-footer p,
footer p {
  margin: 0 0 0.85rem;
}

@media (max-width: 720px) {
  main,
  .site-main,
  .site-header,
  .site-footer,
  footer {
    width: min(calc(100% - 1.25rem), 100%);
  }

  h1 {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  p {
    font-size: 1rem;
  }

  .architect-input-wrapper {
    grid-template-columns: 1fr;
  }

  .architect-submit {
    width: 100%;
  }
}
/* Architect panel */
.architect-panel {
  margin-top: 1.5rem;
  padding: 1rem;
  border: 1px solid rgba(1, 105, 111, 0.18);
  background: rgba(255, 255, 255, 0.72);
}

.briefing-display {
  min-height: 8rem;
  padding: 1rem;
  border: 1px solid rgba(1, 105, 111, 0.14);
  background: rgba(255, 255, 255, 0.72);
}

.briefing-entry {
  display: grid;
  gap: 0.9rem;
}

.briefing-label,
.briefing-kicker,
.architect-meta,
.architect-status,
.architect-error {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.4;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.briefing-label,
.briefing-kicker,
.architect-meta,
.architect-status {
  color: rgba(17, 24, 39, 0.62);
}

.architect-error {
  color: #9f2f2f;
}

.briefing-question,
.briefing-answer,
.briefing-copy {
  display: grid;
  gap: 0.45rem;
}

.briefing-question p,
.briefing-answer p,
.briefing-copy p {
  margin: 0;
}

.architect-input-wrapper {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: end;
  margin-top: 0.9rem;
}

.architect-input {
  width: 100%;
  min-height: 3rem;
  max-height: 13rem;
  padding: 0.85rem 0.95rem;
  border: 1px solid rgba(1, 105, 111, 0.18);
  background: rgba(255, 255, 255, 0.92);
  color: inherit;
  resize: none;
  overflow-y: auto;
  line-height: 1.5;
}

.architect-input::placeholder {
  color: rgba(17, 24, 39, 0.5);
}

.architect-input:focus {
  outline: none;
  border-color: #01696f;
  box-shadow: 0 0 0 1px #01696f;
}

.architect-submit {
  min-width: 7rem;
  height: 3rem;
  padding: 0 1rem;
  border: 1px solid #01696f;
  background: transparent;
  color: #01696f;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, opacity 0.2s ease;
}

.architect-submit:hover,
.architect-submit:focus-visible {
  background: #01696f;
  color: #ffffff;
  outline: none;
}

.architect-panel[data-loading="true"] {
  opacity: 0.5;
  cursor: wait;
}

.architect-submit:disabled,
.architect-input:disabled {
  cursor: wait;
}

@media (max-width: 720px) {
  .architect-input-wrapper {
    grid-template-columns: 1fr;
  }

  .architect-submit {
    width: 100%;
  }
}