/* ─── Ambient datacenter backdrop (hero only) ────────────── */
.ambient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 980px;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.ambient__rack {
  position: absolute;
  top: 80px;
  bottom: 0;
  width: 320px;
  background-image:
    repeating-linear-gradient(0deg,
      rgba(127, 240, 214, 0) 0px,
      rgba(127, 240, 214, 0) 18px,
      rgba(127, 240, 214, 0.10) 18px,
      rgba(127, 240, 214, 0.10) 20px,
      rgba(127, 240, 214, 0) 20px,
      rgba(127, 240, 214, 0) 38px),
    repeating-linear-gradient(90deg,
      rgba(255, 255, 255, 0.04) 0px,
      rgba(255, 255, 255, 0.04) 6px,
      transparent 6px,
      transparent 32px);
  filter: blur(6px);
  mix-blend-mode: screen;
}

.ambient__rack--l { left: -80px; animation: ambient-drift-l 14s ease-in-out infinite; }
.ambient__rack--r { right: -80px; animation: ambient-drift-r 18s ease-in-out infinite; }

.ambient__haze {
  position: absolute;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  filter: blur(80px);
  mix-blend-mode: screen;
}

.ambient__haze--1 {
  top: -120px;
  left: 10%;
  background: radial-gradient(circle, rgba(127, 240, 214, 0.18), transparent 60%);
  animation: ambient-haze 22s ease-in-out infinite;
}

.ambient__haze--2 {
  top: 120px;
  right: 8%;
  background: radial-gradient(circle, rgba(91, 180, 255, 0.10), transparent 60%);
  animation: ambient-haze 28s ease-in-out infinite reverse;
}

.ambient__vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 70% at 50% 40%, transparent 0%, var(--bg) 70%);
}

/* hairline grid wash behind hero */
.grid-wash {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  -webkit-mask-image: radial-gradient(ellipse 80% 50% at 50% 30%, black 30%, transparent 80%);
          mask-image: radial-gradient(ellipse 80% 50% at 50% 30%, black 30%, transparent 80%);
  opacity: 0.6;
}

@keyframes ambient-drift-l {
  0%, 100% { transform: translate(0, 0); opacity: 0.55; }
  50%      { transform: translate(8px, -12px); opacity: 0.8; }
}

@keyframes ambient-drift-r {
  0%, 100% { transform: translate(0, 0); opacity: 0.6; }
  50%      { transform: translate(-10px, 8px); opacity: 0.85; }
}

@keyframes ambient-haze {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.5; }
  50%      { transform: translate(40px, -30px) scale(1.15); opacity: 0.75; }
}

@keyframes cursor-blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

@keyframes agent-fade-in {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Agent chat panel (used in Things you can say) ──────── */
.chat-panel {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: #0d1012;
}

.chat-panel__chrome {
  display: flex;
  align-items: center;
  padding: 11px 14px;
  background: #15191c;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.chat-panel__lights {
  display: flex;
  gap: 6px;
}

.chat-panel__lights span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.chat-panel__lights span:nth-child(1) { background: #ff5f57; }
.chat-panel__lights span:nth-child(2) { background: #febc2e; }
.chat-panel__lights span:nth-child(3) { background: #28c840; }

.chat-panel__title {
  flex: 1;
  text-align: center;
  font-size: 12px;
  color: var(--mute);
}

.chat-panel__model {
  width: 64px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--dim);
  text-align: right;
}

.chat-panel__body {
  padding: 20px 22px 28px;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: #0d1012;
}

.chat-msg { opacity: 0; transform: translateY(4px); transition: opacity 0.35s ease, transform 0.35s ease; }
.chat-msg.is-shown { opacity: 1; transform: translateY(0); }

.chat-msg--user {
  align-self: flex-end;
  max-width: 85%;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.chat-msg--user .bubble {
  background: rgba(127, 240, 214, 0.08);
  color: var(--ink);
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 14px;
  line-height: 1.45;
  border: 1px solid rgba(127, 240, 214, 0.16);
}

.chat-msg--user .avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #2a2f33;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--mute);
  flex-shrink: 0;
  margin-top: 2px;
}

.chat-msg--tool, .chat-msg--reply {
  align-self: flex-start;
  max-width: 92%;
  width: 100%;
  display: flex;
  gap: 10px;
}

.chat-msg .avatar--bot {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--bg);
}

.chat-tool {
  flex: 1;
  min-width: 0;
  background: var(--bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  overflow: hidden;
  font-family: var(--mono);
  font-size: 11.5px;
}

.chat-tool__head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.chat-tool__head svg { flex-shrink: 0; }
.chat-tool__head .label { color: var(--mute); }
.chat-tool__head .name { color: var(--ink); font-weight: 600; }

.chat-tool__body {
  padding: 10px 12px;
  line-height: 1.7;
  word-break: break-word;
}

.chat-tool__args { color: rgba(127, 240, 214, 0.75); }
.chat-tool__result { color: var(--ink); margin-top: 4px; }

.chat-reply {
  color: var(--ink);
  font-size: 14px;
  line-height: 1.55;
  padding-top: 4px;
}

.chat-reply strong { color: #fff; font-weight: 600; }
.chat-reply code {
  font-family: var(--mono);
  background: rgba(127, 240, 214, 0.10);
  color: var(--accent);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12px;
}

.chat-cursor {
  display: inline-block;
  width: 7px;
  height: 14px;
  background: var(--accent);
  vertical-align: -2px;
  animation: cursor-blink 1s infinite;
  margin-left: 36px;
  margin-top: -8px;
  align-self: flex-start;
  opacity: 0;
}

.chat-cursor.is-shown { opacity: 1; }