/* Home: agents (Figma 307:3526) */
/* overflow-x: clip keeps the side-sliding card entrances from causing a sideways scroll on phones */
.s-agents {
  /* Hover colours not in tokens.css yet */
  --agents-tile-hover: #fff1e6;
  --agents-border-hover: rgb(0 0 0 / 0.2);
  padding-block: var(--section-y); background: var(--base-high); overflow-x: clip;
}

/* Heading */
.s-agents__head {
  display: flex; flex-direction: column; align-items: center; gap: var(--space-4);
  max-width: 640px; margin: 0 auto var(--space-10); text-align: center;
}
.s-agents__tag {
  display: inline-flex; align-items: center; height: 32px; padding-inline: var(--space-4);
  border: 1px solid var(--black-5); border-radius: var(--radius-pill); background: var(--black-5);
  color: var(--text-strong);
  font-weight: var(--fw-medium); font-size: var(--body-sm-size); line-height: 1.2; letter-spacing: var(--body-sm-ls);
}
.s-agents__title { line-height: 1.1; }
.s-agents__title span { display: block; }

/* Grid: mobile = chat first, then cards stacked */
.s-agents__grid { display: grid; gap: var(--space-4); }
.s-agents__chat { order: -1; }
.s-agents__col { display: grid; gap: var(--space-4); }

/* Feature cards */
/* Option A "Quiet hairline": white cards with a hairline border, icons sit in a soft tile */
.s-agents__card {
  display: flex; flex-direction: column; justify-content: space-between; gap: var(--space-4);
  padding: var(--space-6) var(--space-8) var(--space-8);
  border: 1px solid var(--border-thin); border-radius: var(--radius-lg); background: var(--base-high);
}
@media (max-width: 639px) { .s-agents__card { gap: var(--space-3); } }

/* Card figures: Hairline line drawings (js/sections/hairline/), mounted by js/sections/agents-figures.js.
   The box is 16:9; the stage inside it is scaled so the whole drawing fits.
   The palette follows the theme: plates in the card colour, the bright stroke in the accent. */
.s-agents {
  --hairline-plate: var(--base-high);
  --hairline-hi: var(--amber-800);
  --hairline-edge: color-mix(in srgb, var(--text-strong) 40%, var(--base-high));
  --hairline-mid: color-mix(in srgb, var(--text-strong) 24%, var(--base-high));
  --hairline-lo: color-mix(in srgb, var(--text-strong) 11%, var(--base-high));
}
.s-agents__figure {
  position: relative; overflow: hidden;
  aspect-ratio: 16 / 9; margin: calc(var(--space-4) * -1) calc(var(--space-8) * -1) 0;
}
/* The stage stays the full 400 x 320 frame (the kernel maps the pointer onto it) and is sized so its band
   y 40-300, every drawing plus headroom for its lifts, fits the box height. It shrinks to fit, never crops. */
.s-agents__stage {
  position: absolute; top: 50%; left: 50%; height: calc(100% * 320 / 260); aspect-ratio: 5 / 4;
  transform: translate(-50%, -53.125%); cursor: crosshair;
}
.s-agents__stage > svg { display: block; width: 100%; height: 100%; }
.s-agents__card-body { display: flex; flex-direction: column; gap: var(--space-4); }
.s-agents__card-title {
  font-size: var(--h5-size); line-height: 1.2; letter-spacing: var(--h5-ls);
}
.s-agents__card-text {
  font-weight: var(--fw-medium); font-size: var(--body-md-size); line-height: 1.2; letter-spacing: var(--body-md-ls);
  color: var(--text-low);
}

/* Chat mockup */
.s-agents__chat {
  display: flex; flex-direction: column; align-items: center; overflow: hidden;
  min-width: 0; padding: 0 var(--space-4) var(--space-6);
  border: 1px solid var(--border-thin); border-radius: var(--radius-lg); background: var(--base-high); box-shadow: var(--shadow-sm);
  color: var(--black-90); font-size: 13px; line-height: 1.4; letter-spacing: 0;
}
/* App window bar on top of the chat */
.s-agents__chrome {
  display: flex; align-items: center; gap: var(--space-3); align-self: stretch;
  margin-inline: calc(var(--space-4) * -1); padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--black-5);
}
.s-agents__lights { display: flex; gap: 6px; }
.s-agents__lights i { width: 10px; height: 10px; border-radius: 50%; background: var(--base-low); }
.s-agents__chrome-title { flex: 1; font-size: 12px; font-weight: var(--fw-semibold); color: var(--text-strong); }
.s-agents__live {
  display: inline-flex; align-items: center; gap: 6px; padding: 3px var(--space-2);
  border-radius: var(--radius-pill); background: var(--sage-100); color: var(--emerald-600);
  font-size: 11px; font-weight: var(--fw-semibold);
}
.s-agents__chat-area {
  flex: 1; display: flex; flex-direction: column; justify-content: flex-end; gap: var(--space-6);
  width: 100%; padding: var(--space-6) var(--space-2);
}
.s-agents__turn { display: flex; flex-direction: column; gap: 10px; }
/* The user's prompt, so the thread reads as a conversation and fills the window */
.s-agents__ask {
  align-self: flex-end; max-width: 80%; padding: 10px 14px;
  border-radius: 14px 14px 4px 14px; background: var(--stone-100); color: var(--text-strong);
}
.s-agents__steps { display: flex; flex-direction: column; gap: 10px; }
.s-agents__steps li { display: flex; align-items: center; gap: var(--space-2); }
.s-agents__steps svg { flex: none; opacity: 0.5; }
.s-agents__code {
  margin-left: var(--space-6); padding: 14px; overflow-x: auto;
  border: 1px solid var(--black-10); border-radius: 4px; background: var(--black-5);
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px; line-height: 1.35; color: var(--border-solid);
}
.s-agents__status { display: flex; align-items: center; gap: var(--space-2); }
.s-agents__status svg { opacity: 0.5; }
.s-agents__status-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--green-500);
  animation: s-agents-pulse 1.6s ease-in-out infinite;
}
@keyframes s-agents-pulse { 50% { opacity: 0.35; } }
.s-agents__timer { font-variant-numeric: tabular-nums; }

.s-agents__composer {
  display: flex; flex-direction: column; gap: var(--space-2);
  width: 100%; max-width: 420px; min-height: 100px; padding: var(--space-2);
  border: 1px solid var(--border-thin); border-radius: 22px; background: var(--base-high);
}
.s-agents__placeholder { flex: 1; padding: 6px; line-height: 16px; color: var(--text-strong); opacity: 0.5; }
.s-agents__composer-bar { display: flex; align-items: center; gap: var(--space-2); }
.s-agents__round {
  display: inline-flex; align-items: center; justify-content: center; flex: none;
  width: 24px; height: 24px; border-radius: 50%;
}
.s-agents__round--light { border: 1px solid var(--black-10); background: var(--black-5); }
.s-agents__round--dark { background: var(--border-solid); color: var(--text-negative); }
.s-agents__model {
  flex: 1; display: flex; align-items: center; gap: var(--space-1);
  font-size: 11px; font-weight: var(--fw-medium); color: var(--text-strong);
}
.s-agents__model svg:first-child { opacity: 0.5; margin-right: 2px; }
.s-agents__model svg:last-child { opacity: 0.3; }

/* Capability chips: one bordered strip with dividers (2 x 2 box on phones) */
.s-agents__chips {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: var(--space-10); overflow: hidden;
  border: 1px solid var(--border-thin); border-radius: var(--radius-lg);
}
.s-agents__chip {
  display: flex; align-items: center; gap: var(--space-3); padding: var(--space-4) var(--space-5);
  background: var(--base-high);
  font-weight: var(--fw-medium); font-size: var(--body-md-size); line-height: 1.2; letter-spacing: -0.02em;
  color: var(--text-strong);
}
.s-agents__chip:nth-child(even) { border-left: 1px solid var(--border-thin); }
.s-agents__chip:nth-child(n+3) { border-top: 1px solid var(--border-thin); }
.s-agents__chip svg { flex: none; color: var(--border-solid); }

/* Tablet: chat full width on top, cards 2 x 2 */
@media (min-width: 640px) {
  .s-agents__grid { grid-template-columns: 1fr 1fr; }
  .s-agents__chat { grid-column: 1 / -1; }
}
@media (min-width: 900px) {
  .s-agents__chips { display: flex; width: fit-content; max-width: 100%; margin-inline: auto; border-radius: var(--radius-pill); }
  .s-agents__chip { padding-inline: var(--space-6); font-size: 16px; line-height: 1; }
  .s-agents__chip:nth-child(n) { border-top: 0; border-left: 0; }
  .s-agents__chip + .s-agents__chip { border-left: 1px solid var(--border-thin); }
}
@media (min-width: 768px) {
  .s-agents__head { margin-bottom: var(--space-12); }
  .s-agents__chips { margin-top: var(--space-12); }
}

/* Desktop: cards | chat (608px) | cards, as in Figma */
@media (min-width: 1024px) {
  .s-agents { padding-top: 66px; }
  .s-agents__head { margin-bottom: 42px; }
  .s-agents__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 608px) minmax(0, 1fr); }
  .s-agents__chat { order: 0; grid-column: auto; min-height: 515px; }
  .s-agents__col { grid-template-rows: 1fr 1fr; }
  .s-agents__chips { margin-top: 56px; }
}

/* Interactions (convention: plan/motion-convention.md). Entrances use data-reveal in the partial;
   the chat replay and composer typing are driven by js/sections/agents.js. */
.s-agents__card {
  transition: transform var(--dur-slow) var(--ease-out), box-shadow var(--dur-slow) var(--ease-out), border-color var(--dur) var(--ease);
}
.s-agents__card-title { transition: color var(--dur) var(--ease); }
.s-agents__chat { transition: box-shadow var(--dur-slow) var(--ease-out), border-color var(--dur) var(--ease); }
.s-agents__chip { transition: background-color var(--dur) var(--ease); }
.s-agents__chip svg { transition: color var(--dur) var(--ease), transform var(--dur-slow) var(--ease-spring); }
.s-agents__round--dark { transition: transform var(--dur-fast) var(--ease); }

@media (hover: hover) {
  .s-agents__card:hover { transform: translateY(-4px); border-color: var(--agents-border-hover); box-shadow: var(--shadow-md); }
  .s-agents__chat:hover { box-shadow: var(--shadow-md); }
  .s-agents__chip:hover { background: var(--stone-50); }
  .s-agents__chip:hover svg { color: var(--orange-700); transform: scale(1.1); }
}

/* Chat replay: JS adds .is-armed (hidden start) then .is-playing when the mockup is in view */
.s-agents__ask, .s-agents__msg, .s-agents__steps li, .s-agents__code, .s-agents__status {
  transition: opacity 500ms var(--ease-out), transform 500ms var(--ease-out), clip-path 900ms var(--ease-out);
}
.s-agents__chat.is-armed:not(.is-playing) .s-agents__ask,
.s-agents__chat.is-armed:not(.is-playing) .s-agents__msg,
.s-agents__chat.is-armed:not(.is-playing) .s-agents__steps li,
.s-agents__chat.is-armed:not(.is-playing) .s-agents__status { opacity: 0; transform: translateY(8px); }
.s-agents__chat.is-armed:not(.is-playing) .s-agents__code { opacity: 0; clip-path: inset(0 0 100% 0); }
.s-agents__code { clip-path: inset(0 0 0 0); }
.s-agents__chat.is-playing .s-agents__msg { transition-delay: 250ms; }
.s-agents__chat.is-playing .s-agents__steps li:nth-child(1) { transition-delay: 650ms; }
.s-agents__chat.is-playing .s-agents__steps li:nth-child(2) { transition-delay: 950ms; }
.s-agents__chat.is-playing .s-agents__steps li:nth-child(3) { transition-delay: 1250ms; }
.s-agents__chat.is-playing .s-agents__code { transition-delay: 1550ms; }
.s-agents__chat.is-playing .s-agents__status { transition-delay: 2300ms; }

/* Composer typing caret */
.s-agents__placeholder.is-typing { opacity: 1; }
.s-agents__placeholder.is-typing::after {
  content: ""; display: inline-block; width: 1px; height: 1em; margin-left: 1px; vertical-align: -2px;
  background: currentColor; animation: s-agents-caret 1s steps(1) infinite;
}
.s-agents__composer.is-sending .s-agents__round--dark { transform: scale(0.88); }
@keyframes s-agents-caret { 50% { opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
  .s-agents__status-dot, .s-agents__placeholder::after { animation: none; }
  .s-agents__card, .s-agents__chip, .s-agents__chip svg, .s-agents__chat { transition-duration: 0.01ms; }
  .s-agents__card:hover, .s-agents__chip:hover svg { transform: none; }
}