/* Home overview — hero demo + story sections */

#sec-hero {
  position: relative;
  background:
    radial-gradient(circle at 30% 20%, rgba(42, 156, 196, 0.12), transparent 55%),
    radial-gradient(circle at center, #18181b 0%, #000000 100%);
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
  padding-top: 64px;
}

.hero-inner {
  width: 100%;
  position: relative;
  z-index: 1;
}

.hero-copy-col {
  position: relative;
}

.op-demo-wrap {
  perspective: 1200px;
  position: relative;
  z-index: 10;
  margin-top: 40px;
  width: 100%;
  min-width: 0;
}

.op-demo {
  transition: transform 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.2s ease;
  transform-style: preserve-3d;
  border-radius: 20px;
  width: 100%;
  min-width: 0;
}

.op-brand-icon {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  object-fit: contain;
  flex-shrink: 0;
  display: block;
}

.op-brand-icon.is-lg {
  width: 28px;
  height: 28px;
  border-radius: 8px;
}

.op-app {
  background: #121212;
  border: 1px solid var(--mac-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
  position: relative;
  width: 100%;
  height: auto;
  min-height: 220px;
  aspect-ratio: 16 / 10;
  max-height: 300px;
  display: flex;
  flex-direction: column;
}

.op-demo-stage {
  position: relative;
  width: 100%;
}

.op-app-titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--mac-border);
  background: rgba(255, 255, 255, 0.03);
  flex-shrink: 0;
}

.op-app-dots i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  background: #4b4b4b;
  margin-right: 4px;
}

.op-app-body {
  flex: 1;
  min-height: 0;
  padding: 16px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* --- App scene layouts --- */
.ui-cursor {
  display: flex;
  gap: 16px;
  height: 100%;
  min-height: 0;
}

.ui-cursor-sidebar {
  width: 60px;
  border-right: 1px solid var(--mac-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding-top: 8px;
  flex-shrink: 0;
}

.ui-cursor-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  min-height: 0;
}

.ui-cursor-msgs {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ui-cursor-msg {
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  max-width: 80%;
}

.ui-cursor-msg.is-user {
  background: rgba(255, 255, 255, 0.1);
  align-self: flex-end;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.ui-cursor-msg.is-ai {
  background: transparent;
  align-self: flex-start;
  color: #a1a1aa;
}

.ui-claude {
  display: flex;
  flex-direction: column;
  font-family: "JetBrains Mono", Menlo, monospace;
  font-size: 13px;
  color: #a1a1aa;
  gap: 8px;
  height: 100%;
  min-height: 0;
}

.ui-claude-head {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  flex-shrink: 0;
}

.ui-claude-lines {
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.ui-claude-line.is-dim {
  color: #52525b;
}

.ui-claude-line.is-tool {
  color: var(--mac-accent);
}

.ui-claude-prompt {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  position: relative;
  flex-shrink: 0;
  padding: 8px 0 0;
  min-height: 36px;
}

.ui-claude-chevron {
  color: var(--mac-accent);
  font-weight: bold;
}

.ui-doubao {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  gap: 12px;
  justify-content: flex-end;
}

.ui-doubao-head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: bold;
  font-size: 14px;
  flex-shrink: 0;
}

.ui-doubao-body {
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.ui-doubao-msg {
  background: rgba(255, 255, 255, 0.05);
  padding: 12px;
  border-radius: 12px 12px 12px 0;
  font-size: 13px;
  color: #fff;
  max-width: 80%;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Composer: flex footer, not absolute overlay */
.ui-composer-inner {
  position: relative;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--mac-border);
  border-radius: 8px;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  flex-shrink: 0;
  width: 100%;
  box-sizing: border-box;
}

.ui-doubao .ui-composer-inner {
  border-radius: 24px;
}

.ui-composer-placeholder {
  color: #52525b;
  font-size: 13px;
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  transition: opacity 0.2s;
  pointer-events: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: calc(100% - 48px);
}

.ui-composer-placeholder.is-hidden {
  opacity: 0;
  visibility: hidden;
}

.op-input-text {
  font-size: 13px;
  color: #fff;
  line-height: 1.5;
  white-space: pre-wrap;
  position: relative;
  z-index: 1;
  min-height: 1.2em;
}

.op-caret {
  display: inline-block;
  width: 2px;
  height: 14px;
  background-color: var(--mac-accent);
  vertical-align: middle;
  margin-left: 2px;
  animation: blink 1s step-end infinite;
  position: relative;
  z-index: 1;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

/* Devices */
.op-action {
  position: absolute;
  right: -24px;
  bottom: -28px;
  z-index: 20;
  transform: translate(var(--pose-tx, 0), var(--pose-ty, 0)) rotate(var(--pose-r, 0deg)) translateZ(60px);
  transition: all 0.6s cubic-bezier(0.32, 0.72, 0, 1);
}

.op-device-svg-wrap {
  position: relative;
  color: var(--mac-accent);
}

.device-led {
  opacity: 0;
  transition: opacity 0.2s, filter 0.2s;
}

.phase-trigger .device-led {
  opacity: 1;
  filter: drop-shadow(0 0 6px currentColor);
}

.op-press-ring {
  position: absolute;
  top: var(--hs-y, 50%);
  left: var(--hs-x, 50%);
  width: 40px;
  height: 40px;
  transform: translate(-50%, -50%) scale(0.5);
  border: 2px solid var(--mac-accent);
  border-radius: 50%;
  opacity: 0;
  pointer-events: none;
}

.phase-trigger .op-press-ring {
  animation: ripple 0.8s ease-out forwards;
}

@keyframes ripple {
  0% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(0.5);
    border-width: 3px;
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(2);
    border-width: 0px;
  }
}

.op-action-gesture {
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--mac-accent);
  opacity: 0;
  transition: opacity 0.3s;
}

.has-gesture .op-action-gesture {
  opacity: 1;
}

.ui-composer-mic {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
  color: #52525b;
  transition: color 0.3s;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.ui-claude-prompt .ui-composer-mic {
  position: absolute;
  right: 0;
}

.phase-listen .ui-composer-mic,
.phase-typing .ui-composer-mic {
  color: var(--mac-accent);
}

.op-mic-waves {
  display: flex;
  gap: 2px;
  height: 12px;
  align-items: center;
  opacity: 0;
  transition: opacity 0.3s;
}

.phase-listen .op-mic-waves,
.phase-typing .op-mic-waves {
  opacity: 1;
}

.op-mic-waves span {
  display: block;
  width: 2px;
  background: currentColor;
  border-radius: 1px;
  height: 2px;
  transition: height 0.1s;
}

.phase-listen .op-mic-waves span,
.phase-typing .op-mic-waves span {
  animation: wave 1s infinite ease-in-out alternate;
}

.op-mic-waves span:nth-child(2) {
  animation-delay: 0.2s;
}
.op-mic-waves span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes wave {
  0% {
    height: 2px;
  }
  100% {
    height: 12px;
  }
}

/* Live status panel — sits beside demo card in grid */
.demo-status-panel {
  position: relative;
  right: auto;
  top: auto;
  transform: none;
  width: 100%;
  padding: 16px;
  background: rgba(15, 15, 17, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  backdrop-filter: blur(30px);
  font-family: "JetBrains Mono", Menlo, monospace;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
  z-index: 30;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

@media (min-width: 1024px) {
  .op-demo-wrap {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 188px;
    gap: 0.75rem;
    align-items: stretch;
    margin-top: 0;
    padding-right: 0;
  }

  .demo-status-panel {
    min-width: 0;
  }
}

.ds-header {
  font-size: 10px;
  color: var(--mac-text-muted);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.ds-dot {
  width: 6px;
  height: 6px;
  background: var(--mac-text-muted);
  border-radius: 50%;
  box-shadow: 0 0 8px transparent;
  transition: all 0.3s;
}

.ds-dot.is-active {
  background: var(--mac-accent);
  box-shadow: 0 0 8px var(--mac-accent);
  animation: pulse-dot 1.5s infinite alternate;
}

@keyframes pulse-dot {
  from {
    opacity: 0.4;
  }
  to {
    opacity: 1;
  }
}

.ds-code {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  transition: color 0.3s;
  color: var(--mac-text-muted);
}

.ds-code.is-active {
  color: var(--mac-accent);
}

.ds-desc {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
}

/* Story sections */
.story-section {
  padding: 120px 0;
  position: relative;
  z-index: 10;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1rem;
  color: #fff;
}

.section-eyebrow {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--mac-accent);
  text-align: center;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.command-window {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding: 32px;
  border-radius: 24px;
}

.command-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.command-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
  text-align: left;
}

.command-item.is-active {
  background: rgba(42, 156, 196, 0.1);
  border-color: rgba(42, 156, 196, 0.3);
}

.command-item i {
  font-size: 24px;
  color: var(--mac-text-muted);
  transition: color 0.2s;
}

.command-item.is-active i {
  color: var(--mac-accent);
}

.command-item strong {
  display: block;
  font-size: 15px;
  color: #fff;
  margin-bottom: 4px;
}

.command-item small {
  font-size: 13px;
  color: var(--mac-text-muted);
}

.command-status {
  background: rgba(0, 0, 0, 0.4);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  border: 1px solid var(--mac-border);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 99px;
  background: rgba(42, 156, 196, 0.15);
  color: var(--mac-accent);
  font-size: 13px;
  font-weight: 500;
  width: fit-content;
}

.mapping-card strong {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  color: #fff;
  margin: 12px 0;
}

.flow-stack {
  display: flex;
  flex-direction: column;
  gap: 32px;
  max-width: 900px;
  margin: 40px auto 0;
}

.flow-card {
  padding: 40px;
  border-radius: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.flow-tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.1);
  font-size: 12px;
  margin-bottom: 16px;
}

.home-ime-wake-stage {
  background: #121212;
  border-radius: 16px;
  padding: 24px;
  border: 1px solid var(--mac-border);
  position: relative;
}

.home-ime-voice-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  margin-bottom: 16px;
  transition: background 0.3s;
}

.home-ime-voice-bar.is-active {
  background: rgba(42, 156, 196, 0.1);
  color: var(--mac-accent);
  border: 1px solid rgba(42, 156, 196, 0.2);
}

.home-ime-editor {
  min-height: 100px;
  background: #000;
  border-radius: 8px;
  padding: 16px;
  font-size: 14px;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Section switch reveal — lock end state with animation (not transition).
   Avoid transform:none + will-change: they drop the compositor layer on
   .mac-glass (backdrop-filter) and the block looks like it "snapped back". */
@keyframes story-rise {
  from {
    opacity: 0;
    transform: translate3d(0, 36px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

.apple-reveal {
  opacity: 0;
  transform: translate3d(0, 36px, 0);
}

.apple-reveal.is-in {
  animation: story-rise 1.15s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: calc(var(--d, 0) * 1ms);
}

/* —— Agent brand wall —— */
.home-brands-lead {
  text-align: center;
  color: var(--mac-text-muted);
  font-size: 1.125rem;
  max-width: 36rem;
  margin: 0 auto 3rem;
  line-height: 1.6;
}

.home-brands-track {
  display: flex;
  gap: 2.5rem;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.home-brands-row {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  flex-shrink: 0;
  animation: home-brands-drift 40s linear infinite;
}

.home-brand-item {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: rgba(255, 255, 255, 0.45);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
  transition: color 0.25s ease, opacity 0.25s ease;
}

.home-brand-item img {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  opacity: 0.55;
  transition: opacity 0.25s ease;
}

.home-brand-item:hover {
  color: rgba(255, 255, 255, 0.92);
}

.home-brand-item:hover img {
  opacity: 1;
}

.home-brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

@keyframes home-brands-drift {
  from { transform: translateX(0); }
  to { transform: translateX(-100%); }
}

/* —— Quotes —— */
.home-quotes-lead {
  margin: 0.75rem 0 0;
  max-width: 36rem;
  color: var(--mac-text-muted, #86868b);
  font-size: 1rem;
  line-height: 1.55;
}

.home-quotes-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem 1.25rem;
  margin-top: 2.5rem;
}

.home-quote {
  margin: 0;
  padding: 1.15rem 1.15rem 1.05rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.03);
}

.home-quote p {
  margin: 0 0 1.1rem;
  color: #e2e8f0;
  font-size: 0.95rem;
  line-height: 1.55;
  font-weight: 500;
  text-wrap: pretty;
}

.home-quote footer {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.75rem;
  color: var(--mac-text-muted);
  font-size: 0.875rem;
}

.home-quote-avatar {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  object-fit: cover;
  flex-shrink: 0;
  background: #1a1a1a;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.home-quote-meta {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
  flex: 1;
}

.home-quote-by {
  color: #fff;
  font-weight: 600;
}

.home-quote-role {
  color: var(--mac-text-muted);
  font-size: 0.8rem;
}

.home-quote-src {
  color: rgba(var(--mac-accent-rgb), 0.95);
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.home-quote-src:hover {
  text-decoration: underline;
}

@media (prefers-reduced-motion: reduce) {
  .apple-reveal {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    animation: none;
  }

  .home-brands-row {
    animation: none;
  }

  .home-brands-track {
    flex-wrap: wrap;
    justify-content: center;
    mask-image: none;
    -webkit-mask-image: none;
  }

  .home-brands-row[aria-hidden="true"] {
    display: none;
  }
}

@media (max-width: 1100px) {
  .home-quotes-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .command-window {
    grid-template-columns: 1fr;
  }
  .flow-card {
    grid-template-columns: 1fr;
  }
  .demo-status-panel {
    display: none !important;
  }
  #sec-hero {
    padding-top: 96px;
    padding-bottom: 64px;
    min-height: auto;
  }
  .home-brands-track {
    mask-image: none;
    -webkit-mask-image: none;
    overflow-x: auto;
  }
}

@media (max-width: 560px) {
  .home-quotes-grid {
    grid-template-columns: 1fr;
  }
}