/* ============================================================
   Self-hosted fonts — Inter (body) + Work Sans (headings)
   All woff2, latin subset, font-display: swap
   ============================================================ */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/inter-v20-latin-regular.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/inter-v20-latin-500.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/inter-v20-latin-600.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("fonts/inter-v20-latin-700.woff2") format("woff2");
}
@font-face {
  font-family: "Work Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/work-sans-v24-latin-600.woff2") format("woff2");
}
@font-face {
  font-family: "Work Sans";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("fonts/work-sans-v24-latin-700.woff2") format("woff2");
}

/* ============================================================
   AsyncAPI design tokens
   ============================================================ */
:root {
  /* Purple scale */
  --aa-purple-100: #F4EFFC;
  --aa-purple-200: #E0D1FC;
  --aa-purple-300: #CAB0FC;
  --aa-purple-400: #A87EFC;
  --aa-purple-500: #8851FB;   /* primary */
  --aa-purple-600: #461E96;   /* hover / dark */

  /* Cyan accent */
  --aa-cyan-500: #47BCEE;
  --aa-cyan-600: #1AA9C9;

  /* Pink accent */
  --aa-pink-500: #E50E99;

  /* Dark surfaces */
  --aa-dark: #1B1130;         /* header / hero / footer bg */
  --aa-code-bg: #252f3f;
  --aa-code-hl: #3e4d64;
  --aa-gray-muted: #9C96A8;   /* secondary text on dark */

  /* Semantic */
  --aa-gradient: linear-gradient(to right, #8851FB, #E50E99);
  --aa-font-body: "Inter", ui-sans-serif, system-ui, sans-serif;
  --aa-font-heading: "Work Sans", ui-sans-serif, system-ui, sans-serif;
  --aa-font-mono: "Fira Code", ui-monospace, monospace;

  --aa-radius-card: 16px;
  --aa-radius-md: 10px;
  --aa-radius-pill: 9999px;
  --aa-radius-btn: 6px;

  /* Semantic text tokens */
  --aa-text: #1a1a2e;
  --aa-text-muted: #56516b;
}

/* ============================================================
   Reset / base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--aa-font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  color: var(--aa-text);
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: var(--aa-font-heading);
  font-weight: 700;
}

.wrap { width: 100%; max-width: 920px; margin: 0 auto; padding: 0 24px; }

a { color: var(--aa-purple-600); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--aa-purple-500); }

/* Visible focus rings everywhere (a11y) */
:focus-visible {
  outline: 2px solid var(--aa-purple-400);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ============================================================
   Staggered page-load reveal
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  animation: rise 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.reveal[data-reveal="1"] { animation-delay: 0.05s; }
.reveal[data-reveal="2"] { animation-delay: 0.18s; }
.reveal[data-reveal="3"] { animation-delay: 0.32s; }
@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   Header — dark AsyncAPI navy
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--aa-dark);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 64px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.logo img { display: block; }

.header-nav { display: flex; align-items: center; }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  font-family: var(--aa-font-body);
  cursor: pointer;
  border: none;
  border-radius: var(--aa-radius-btn);
  font-weight: 600;
  transition: background 0.18s ease, color 0.18s ease, box-shadow 0.18s ease, transform 0.12s ease;
}

/* "Use it in your own tools" — outlined ghost on dark header */
.btn--tools {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: rgba(255, 255, 255, 0.85);
  padding: 8px 16px;
  font-size: 13.5px;
  border-radius: var(--aa-radius-btn);
  white-space: nowrap;
}
.btn--tools:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
}
.btn--tools[aria-expanded="true"] {
  background: rgba(136, 81, 251, 0.2);
  border-color: var(--aa-purple-400);
  color: var(--aa-purple-300);
}

/* Primary send button */
.btn--send {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: 50%;
  background: var(--aa-purple-500);
  color: #fff;
  flex: 0 0 auto;
  box-shadow: 0 2px 8px rgba(136, 81, 251, 0.35);
}
.btn--send:hover {
  background: var(--aa-purple-600);
  box-shadow: 0 4px 14px rgba(136, 81, 251, 0.45);
  transform: translateY(-1px);
}
.btn--send:active { transform: translateY(0); }
.btn--send:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Copy button inside snippet bars */
.btn--copy {
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 4px;
}
.btn--copy:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}
.btn--copy.is-copied {
  background: rgba(71, 188, 238, 0.15);
  color: var(--aa-cyan-500);
  border-color: var(--aa-cyan-500);
}

/* ============================================================
   Main / Hero
   ============================================================ */
.main { padding: 56px 0 48px; }
.hero {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 18px;
}
.hero__title {
  margin: 0 0 8px;
  font-family: var(--aa-font-heading);
  font-weight: 700;
  font-size: clamp(2rem, 4.5vw, 2.6rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--aa-text);
}
.hero__gradient {
  background: var(--aa-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.hero__lede {
  margin: 0 auto;
  max-width: 560px;
  font-size: 0.98rem;
  line-height: 1.6;
  color: #5a5a7a;
}

/* ============================================================
   Tools panel (collapsible)
   ============================================================ */
.tools-panel {
  background: var(--aa-dark);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--aa-radius-card);
  padding: 28px;
  margin: 0 auto 32px;
  color: #fff;
}
.tools-panel__title {
  margin: 0 0 6px;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  font-family: var(--aa-font-heading);
}
.tools-panel__sub {
  margin: 0 0 22px;
  color: var(--aa-gray-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}
.tools-grid { display: grid; gap: 14px; }
.tools-panel__note {
  margin: 16px 0 0;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--aa-gray-muted);
}
.tools-panel__note a {
  color: var(--aa-cyan-500);
  text-decoration: underline;
  text-underline-offset: 2px;
}
@media (min-width: 720px) {
  .tools-grid { grid-template-columns: 1fr 1fr; }
  .snippet--wide { grid-column: 1 / -1; }
}

.snippet {
  background: var(--aa-code-bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--aa-radius-md);
  overflow: hidden;
}
.snippet__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px 9px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(255, 255, 255, 0.03);
}
.snippet__label {
  font-size: 11.5px;
  font-weight: 600;
  color: #B9B3C6;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.snippet__code {
  margin: 0;
  padding: 14px 16px;
  font-family: var(--aa-font-mono);
  font-size: 12.5px;
  line-height: 1.65;
  color: #a5d6f5;
  overflow-x: auto;
  white-space: pre;
  tab-size: 2;
}

/* ============================================================
   Chat container
   ============================================================ */
.chat {
  background: #ffffff;
  border: 1px solid #e8e4f3;
  border-radius: var(--aa-radius-card);
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(136, 81, 251, 0.06), 0 4px 20px rgba(136, 81, 251, 0.04);
}
.transcript {
  padding: 28px 26px 8px;
  max-height: 56vh;
  max-height: 56dvh;
  min-height: 200px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
  scroll-behavior: smooth;
}

/* Empty state */
.empty-state {
  margin: auto 0;
  text-align: center;
  padding: 28px 0 32px;
  color: var(--aa-text-muted);
}
.empty-state__icon {
  color: var(--aa-purple-400);
  margin: 0 auto 12px;
  display: flex;
  justify-content: center;
}
.empty-state > p {
  margin: 0 0 14px;
  font-size: 14px;
  font-weight: 500;
  color: #6a6a8a;
}
.empty-state__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.chip--suggest {
  background: var(--aa-purple-100);
  border: 1px solid var(--aa-purple-200);
  color: var(--aa-purple-600);
  border-radius: var(--aa-radius-pill);
  padding: 7px 15px;
  font-family: var(--aa-font-body);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}
.chip--suggest:hover {
  background: var(--aa-purple-200);
  border-color: var(--aa-purple-300);
  color: var(--aa-purple-600);
}

/* Message bubbles */
.msg {
  display: flex;
  flex-direction: column;
  max-width: 86%;
  animation: bubble 0.35s cubic-bezier(0.22, 1, 0.36, 1) both;
}
@keyframes bubble {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.msg--user     { align-self: flex-end;  align-items: flex-end; }
.msg--assistant { align-self: flex-start; align-items: flex-start; }

.msg__role {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--aa-text-muted);
  margin: 0 4px 5px;
}

.msg__bubble {
  border-radius: var(--aa-radius-md);
  padding: 12px 16px;
  font-size: 15px;
  line-height: 1.65;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.msg--user .msg__bubble {
  background: var(--aa-purple-100);
  color: var(--aa-text);
  border: 1px solid var(--aa-purple-200);
  border-bottom-right-radius: 4px;
  font-weight: 500;
}
.msg--assistant .msg__bubble {
  background: #ffffff;
  color: var(--aa-text);
  border: 1px solid #e4e0f0;
  border-bottom-left-radius: 4px;
}

/* Rendered markdown inside assistant bubbles */
.msg__bubble--md { white-space: normal; }
.msg__bubble--md p,
.msg__bubble--md ul,
.msg__bubble--md ol { margin: 0 0 10px; }
.msg__bubble--md > :last-child { margin-bottom: 0; }
.msg__bubble--md ul,
.msg__bubble--md ol { padding-left: 22px; }
.msg__bubble--md li { margin: 3px 0; }
.msg__bubble--md li::marker { color: var(--aa-purple-400); }
.msg__bubble--md .md-h {
  font-family: var(--aa-font-heading);
  font-weight: 700;
  color: var(--aa-text);
  margin: 14px 0 6px;
}
.msg__bubble--md .md-h:first-child { margin-top: 0; }
.msg__bubble--md code {
  background: var(--aa-code-bg);
  color: #a5d6f5;
  border-radius: 4px;
  padding: 1px 6px;
  font-family: var(--aa-font-mono);
  font-size: 0.88em;
}
.msg__bubble--md pre {
  background: var(--aa-code-bg);
  border-radius: 8px;
  padding: 12px 14px;
  margin: 10px 0;
  overflow-x: auto;
}
.msg__bubble--md pre code {
  display: block;
  background: none;
  padding: 0;
  white-space: pre;
}
.msg__bubble--md a {
  color: var(--aa-purple-500);
  text-decoration: underline;
  text-underline-offset: 2px;
  word-break: break-all;
}
.msg__bubble--md a:hover { color: var(--aa-purple-600); }

/* Citations */
.citations {
  margin: 14px 4px 0;
  padding-top: 12px;
  border-top: 1px dashed #e0daf5;
}
.citations__label {
  display: block;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--aa-text-muted);
  margin-bottom: 8px;
}
.citations__row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.citation-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  text-decoration: none;
  background: var(--aa-purple-100);
  border: 1px solid var(--aa-purple-300);
  color: var(--aa-purple-600);
  border-radius: var(--aa-radius-pill);
  padding: 4px 12px;
  font-size: 12.5px;
  font-weight: 600;
  transition: background 0.18s ease, border-color 0.18s ease;
}
.citation-chip:hover {
  background: var(--aa-purple-200);
  border-color: var(--aa-purple-400);
  color: var(--aa-purple-600);
  text-decoration: none;
}
.citation-chip::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--aa-gradient);
  flex: 0 0 auto;
}
.citation-chip::after {
  content: "\2197";
  font-size: 10px;
  opacity: 0.7;
}

/* Staged loader */
.loader {
  display: flex;
  flex-direction: column;
  align-self: flex-start;
  max-width: 86%;
}
.loader__bubble {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  background: #ffffff;
  border: 1px solid #e4e0f0;
  border-radius: var(--aa-radius-md);
  border-bottom-left-radius: 4px;
  padding: 12px 16px;
  font-size: 14px;
  color: #6a6a8a;
}
.loader__label { color: #6a6a8a; }
.loader__dots { display: inline-flex; gap: 4px; }
.loader__dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--aa-purple-500);
  animation: pulse 1.2s ease-in-out infinite;
}
.loader__dots span:nth-child(2) { animation-delay: 0.18s; }
.loader__dots span:nth-child(3) { animation-delay: 0.36s; }
@keyframes pulse {
  0%, 100% { opacity: 0.3; transform: scale(0.8); }
  50%       { opacity: 1;   transform: scale(1); }
}

.msg__bubble--error {
  background: #fff5f0;
  border: 1px solid #ffc4a8;
  color: #c23a00;
}

/* ============================================================
   Composer
   ============================================================ */
.composer {
  padding: 14px 20px 20px;
  border-top: 1px solid #ede9f8;
  background: #faf9fe;
}
.composer__row {
  display: flex;
  align-items: flex-end;
  gap: 10px;
}
.composer__field {
  flex: 1;
  display: flex;
  align-items: flex-end;
  background: #ffffff;
  border: 1.5px solid #d8d0f0;
  border-radius: var(--aa-radius-pill);
  padding: 5px 18px;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.composer__field:focus-within {
  border-color: var(--aa-purple-400);
  box-shadow: 0 0 0 3px rgba(136, 81, 251, 0.1);
}
.composer__input {
  flex: 1;
  border: none;
  background: transparent;
  resize: none;
  font-family: var(--aa-font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--aa-text);
  padding: 10px 0;
  max-height: 160px;
  outline: none;
}
.composer__input::placeholder { color: #a0a0c0; }

/* ============================================================
   Architecture ("How it's built")
   ============================================================ */
.arch {
  margin: 48px auto 0;
}
.arch__title {
  margin: 0 0 8px;
  font-family: var(--aa-font-heading);
  font-size: clamp(1.4rem, 3vw, 1.7rem);
  font-weight: 700;
  color: var(--aa-dark);
  text-align: center;
}
.arch__lede {
  margin: 0 auto 26px;
  max-width: 560px;
  text-align: center;
  color: #5a5a7a;
  font-size: 0.95rem;
  line-height: 1.6;
}
.arch__grid {
  display: grid;
  gap: 14px;
}
@media (min-width: 720px) {
  .arch__grid { grid-template-columns: 1fr 1fr; }
}
.arch-card {
  background: #ffffff;
  border: 1px solid #e8e4f3;
  border-radius: var(--aa-radius-md);
  padding: 18px 20px;
}
.arch-card__step {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--aa-purple-500);
  margin-bottom: 6px;
}
.arch-card__name {
  margin: 0 0 6px;
  font-family: var(--aa-font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--aa-dark);
}
.arch-card__name code {
  font-family: var(--aa-font-mono);
  font-size: 0.85em;
  font-weight: 600;
}
.arch-card__text {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.65;
  color: #5a5a7a;
}
.arch-card__text a {
  color: var(--aa-purple-500);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.arch-card__text a:hover { color: var(--aa-purple-600); }
.arch-card__text code {
  font-family: var(--aa-font-mono);
  font-size: 0.85em;
  background: #f3f0fa;
  border-radius: 4px;
  padding: 1px 5px;
}

/* ============================================================
   Sustain AsyncAPI callout — slim one-line pill above the chat
   ============================================================ */
.sustain {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--aa-purple-600) 0%, var(--aa-purple-500) 100%);
  border-radius: 999px;
  padding: 8px 16px;
  text-align: center;
}
.sustain__heart {
  font-size: 18px;
  line-height: 1;
  flex-shrink: 0;
}
.sustain__text {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.94);
}
.sustain__text strong { color: #fff; }
.sustain__cta {
  flex-shrink: 0;
  display: inline-block;
  background: #fff;
  color: var(--aa-purple-600);
  font-weight: 700;
  font-size: 0.8rem;
  text-decoration: none;
  padding: 5px 13px;
  border-radius: 999px;
  white-space: nowrap;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.sustain__cta:hover {
  color: var(--aa-purple-600);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.22);
}
@media (max-width: 560px) {
  .sustain { border-radius: var(--aa-radius-md); padding: 10px 14px; }
}

/* Opt-in anonymous question analytics (off by default) */
.optin {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 12px 4px 0;
  cursor: pointer;
  font-size: 12.5px;
  line-height: 1.5;
  color: #6a6a8a;
}
.optin__box {
  position: absolute;
  opacity: 0;
  width: 1px; height: 1px;
  margin: 0;
}
.optin__custom {
  flex: 0 0 auto;
  width: 17px; height: 17px;
  margin-top: 1px;
  border-radius: 5px;
  border: 1.5px solid #b9b3c6;
  background: #fff;
  transition: background 0.18s ease, border-color 0.18s ease;
  position: relative;
}
.optin__custom::after {
  content: "";
  position: absolute;
  left: 5px; top: 1px;
  width: 4px; height: 8px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  transition: transform 0.18s cubic-bezier(0.22, 1, 0.36, 1);
}
.optin__box:checked + .optin__custom {
  background: var(--aa-purple-500);
  border-color: var(--aa-purple-500);
}
.optin__box:checked + .optin__custom::after { transform: rotate(45deg) scale(1); }
.optin__box:focus-visible + .optin__custom {
  outline: 2px solid var(--aa-purple-500);
  outline-offset: 2px;
}
.optin__muted { color: #9a96a8; }
.optin__muted a {
  color: #9a96a8;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.optin__muted a:hover { color: var(--aa-purple-500); }

/* Demo-instance footnote inside the chat card */
.chat-footnote {
  margin: 10px 4px 0;
  padding-bottom: 14px;
  font-size: 12px;
  line-height: 1.5;
  color: #8a8aa8;
  text-align: center;
}
.chat-footnote a {
  color: var(--aa-purple-500);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ============================================================
   Footer — dark, like header
   ============================================================ */
.site-footer {
  background: var(--aa-dark);
  padding: 24px 0 32px;
  margin-top: 48px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
}
.footer__copy {
  margin: 0;
  font-size: 13.5px;
  color: var(--aa-gray-muted);
}
.footer__copy a {
  color: var(--aa-cyan-500);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.footer__copy a:hover { color: var(--aa-cyan-600); }
.footer__heart { font-size: 1em; vertical-align: -0.05em; }
.footer__disclaimer {
  margin: 0;
  font-size: 12px;
  color: rgba(156, 150, 168, 0.7);
}

/* ============================================================
   Reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; animation: none !important; }
  .msg { animation: none !important; }
  .loader__dots span { animation: none !important; opacity: 0.7; }
  html { scroll-behavior: auto; }
  .transcript { scroll-behavior: auto; }
  .btn { transition: background 0.18s, color 0.18s; }
  .btn--send:hover { transform: none; }
}

/* Header label: short variant only shows on small screens */
.label-short { display: none; }

/* ============================================================
   Small screens ≤ 560px
   ============================================================ */
@media (max-width: 560px) {
  .wrap { padding: 0 14px; }
  .main { padding: 32px 0 24px; }

  .header-inner { height: 56px; gap: 10px; }
  .logo img { width: 110px; height: 28px; }

  /* Swap labels */
  .label-full { display: none; }
  .label-short { display: inline; }
  .btn--tools { padding: 6px 12px; font-size: 12.5px; }

  .hero { margin-bottom: 14px; }
  .hero__title { font-size: clamp(1.7rem, 8vw, 2rem); }

  .tools-panel { padding: 18px 14px; border-radius: 12px; }
  .snippet__code { font-size: 12px; padding: 12px; }

  .chat { border-radius: 12px; }
  .transcript { padding: 20px 14px 6px; }
  .composer { padding: 10px 12px 14px; }
  .composer__field { padding: 4px 14px; }
  .msg { max-width: 94%; }
  .msg__bubble { font-size: 14.5px; padding: 10px 13px; }

  .citation-chip { max-width: 100%; }

  .site-footer { padding: 20px 0 26px; }
}