.aia-hero {
  --aia-art: min(100vw, 1774px);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  min-height: calc(var(--aia-art) / 2);
  padding: 32px 0;
  background: #ffffff;
}

.aia-hero-art {
  position: absolute;
  top: 0;
  right: 0;
  width: var(--aia-art);
  height: 100%;
  pointer-events: none;
}

.aia-hero-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: right center;
  display: block;
}

.aia-hero-art::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #ffffff 0%, rgba(255, 255, 255, 0) 14%);
}

.aia-hero > .container {
  position: relative;
  z-index: 1;
  width: 100%;
}

.aia-hero-text {
  max-width: min(480px, calc(100vw - var(--aia-art) * 0.71 - max((100vw - 1400px) / 2, 0px) - 48px));
}

.aia-hero .badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: rgba(74, 153, 80, 0.12);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #3d8143;
}

.aia-hero .badge span:first-child {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4a9950;
}

.aia-hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 3.1vw, 3rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: #1c2521;
}

.aia-hero .h1-accent {
  color: #3d8143;
}

.aia-hero .aia-hero-lead {
  margin: 0 0 14px;
  font-size: 1.06rem;
  font-weight: 600;
  line-height: 1.5;
  color: #1c2521;
}

.aia-hero p {
  margin: 0 0 14px;
  color: #5b6663;
  line-height: 1.65;
}

.aia-hero .btn-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 26px;
}

.aia-hero .btn-ghost {
  color: #1c2521;
  border-color: #cdd5d1;
}

.aia-slogan {
  padding: 34px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  text-align: center;
}

.aia-slogan p {
  margin: 0 auto;
  max-width: 880px;
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.aia-slogan .aia-slogan-sub {
  margin-top: 12px;
  max-width: 760px;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0;
  color: var(--color-text-muted);
}

.aia-slogan p span {
  color: var(--color-primary);
}

.aia-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 8px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  vertical-align: middle;
  background: var(--color-primary-soft);
  color: var(--color-primary-hover);
}

.aia-status--soon {
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.aia-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1.25fr;
  align-items: stretch;
  gap: 14px;
  max-width: 1180px;
  margin: 0 auto;
}

.aia-flow-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
}

.aia-flow-head {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.aia-flow-head b {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--color-primary-soft);
  color: var(--color-primary-hover);
  font-size: 0.8rem;
}

.aia-flow-card h3 {
  margin: 0;
  font-size: 1.05rem;
}

.aia-flow-card > p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.aia-flow-arrow {
  display: flex;
  align-items: center;
  color: var(--color-primary);
}

.aia-flow-arrow svg {
  width: 28px;
  height: 28px;
}

.aia-file {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-alt);
}

.aia-file-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 44px;
  border-radius: 4px;
  background: #1f7a45;
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 800;
}

.aia-file strong {
  display: block;
  font-size: 0.9rem;
}

.aia-file span {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.aia-mini {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.aia-mini th,
.aia-mini td {
  padding: 7px 6px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  white-space: nowrap;
}

.aia-mini th {
  font-weight: 700;
  color: var(--color-text-muted);
}

.aia-mini tr:last-child td {
  border-bottom: 0;
}

.aia-mini td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.aia-map {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.84rem;
}

.aia-map li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.aia-map code {
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  font-size: 0.78rem;
}

.aia-map li span {
  color: var(--color-primary);
}

.aia-map em {
  color: var(--color-text-muted);
  font-size: 0.78rem;
}

.aia-flow-foot {
  margin-top: auto;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.aia-gallery {
  max-width: 1120px;
  margin: 0 auto;
}

.aia-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 22px;
}

.aia-tab {
  padding: 9px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}

.aia-tab:hover {
  border-color: var(--color-primary);
}

.aia-tab[aria-selected="true"] {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-contrast);
}

.aia-stage {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 18px;
  align-items: start;
}

.aia-commands {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.aia-command {
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
  font-size: 0.9rem;
  line-height: 1.4;
  text-align: left;
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.aia-command:hover {
  border-color: var(--color-primary);
}

.aia-command[aria-pressed="true"] {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}

.aia-chat {
  display: flex;
  flex-direction: column;
  min-height: 380px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.aia-chat-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  font-size: 0.9rem;
  font-weight: 700;
}

.aia-chat-head span {
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: var(--color-primary-soft);
  color: var(--color-primary-hover);
  font-size: 0.78rem;
}

.aia-chat-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px;
}

.aia-msg-user {
  align-self: flex-end;
  max-width: 80%;
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  font-size: 0.92rem;
  line-height: 1.45;
}

.aia-msg-file {
  align-self: flex-end;
  padding: 4px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.aia-msg-tool {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.aia-msg-ai {
  align-self: flex-start;
  max-width: 88%;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  font-size: 0.92rem;
  line-height: 1.5;
}

.aia-msg-ai p {
  margin: 0 0 6px;
}

.aia-msg-ai p:last-child {
  margin-bottom: 0;
}

.aia-msg-ai ul {
  margin: 6px 0 0;
  padding-left: 18px;
}

.aia-msg-ai li {
  margin-bottom: 2px;
}

.aia-choices {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.aia-choices span {
  padding: 6px 12px;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-pill);
  color: var(--color-primary-hover);
  font-size: 0.84rem;
  font-weight: 600;
}

.aia-change {
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.aia-change-title {
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.88rem;
  font-weight: 700;
}

.aia-change .aia-mini {
  margin: 0;
}

.aia-change .aia-mini th:first-child,
.aia-change .aia-mini td:first-child {
  padding-left: 14px;
}

.aia-change-scroll {
  overflow-x: auto;
}

.aia-change-actions {
  display: flex;
  gap: 8px;
  padding: 10px 14px;
  border-top: 1px solid var(--color-border);
}

.aia-change-actions span {
  padding: 5px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 700;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

.aia-change-actions span:first-child {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-contrast);
}

.aia-asks {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 10px;
  margin: 0 auto 36px;
  max-width: 1000px;
  padding: 0;
  list-style: none;
}

.aia-asks li {
  padding: 12px 14px 12px 38px;
  position: relative;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-size: 0.9rem;
  line-height: 1.45;
}

.aia-asks li::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 16px;
  width: 12px;
  height: 10px;
  border-radius: 3px 3px 3px 0;
  background: var(--color-primary);
  opacity: 0.85;
}

.aia-extract {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
  max-width: 1000px;
  margin: 0 auto 36px;
  padding: 0;
  list-style: none;
}

.aia-extract li {
  padding: 12px 14px;
  border-left: 3px solid var(--color-primary);
  background: var(--color-surface);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.9rem;
}

.aia-note {
  max-width: 760px;
  margin: -12px auto 40px;
  text-align: center;
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

.aia-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 1100px;
  margin: 0 auto;
  counter-reset: aia-step;
}

.aia-step {
  position: relative;
  padding: 22px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.aia-step b {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 14px;
  border-radius: 50%;
  background: var(--color-primary-soft);
  color: var(--color-primary-hover);
  font-size: 1rem;
}

.aia-step h3 {
  margin: 0 0 6px;
  font-size: 1.08rem;
}

.aia-step p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.aia-control {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  max-width: 1100px;
  margin: 0 auto;
}

.aia-control div {
  padding: 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.aia-control h3 {
  margin: 0 0 6px;
  font-size: 1rem;
}

.aia-control p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.aia-plan {
  max-width: 900px;
  margin: 0 auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  overflow: hidden;
}

.aia-plan table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.aia-plan th,
.aia-plan td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.aia-plan tr:last-child td {
  border-bottom: 0;
}

.aia-plan th {
  background: var(--color-bg-alt);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.aia-plan td:first-child {
  font-weight: 700;
  white-space: nowrap;
}

.aia-plan td:nth-child(2) {
  color: var(--color-text-muted);
}

.aia-plan td:last-child {
  white-space: nowrap;
}

.aia-closing {
  padding: 80px 0;
  text-align: center;
}

.aia-closing h2 {
  margin: 0 auto 14px;
  max-width: 760px;
  font-size: clamp(1.8rem, 3.4vw, 2.5rem);
  letter-spacing: -0.02em;
}

.aia-closing p {
  margin: 0 auto 12px;
  max-width: 680px;
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.aia-closing p strong {
  color: var(--color-text);
}

.aia-closing .btn-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 26px;
}

:root[data-theme="dark"] .aia-hero {
  background: #ffffff;
}

@media (max-width: 1100px) {
  .aia-flow {
    grid-template-columns: 1fr;
  }

  .aia-flow-arrow {
    justify-content: center;
    transform: rotate(90deg);
  }

  .aia-stage {
    grid-template-columns: 1fr;
  }

  .aia-commands {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 6px;
  }

  .aia-command {
    flex: 0 0 240px;
  }

  .aia-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1200px) {
  .aia-hero {
    flex-direction: column;
    align-items: stretch;
    min-height: 0;
    padding: 32px 0 0;
  }

  .aia-hero-art {
    position: relative;
    top: auto;
    right: auto;
    order: 2;
    width: 100%;
    height: auto;
    transform: none;
    margin-top: 28px;
  }

  .aia-hero-art img {
    height: auto;
    aspect-ratio: 3 / 2;
    object-position: 58% center;
  }

  .aia-hero-art::after {
    display: none;
  }

  .aia-hero-text {
    max-width: none;
  }
}

@media (max-width: 600px) {
  .aia-steps {
    grid-template-columns: 1fr;
  }

  .aia-plan td:first-child,
  .aia-plan td:last-child {
    white-space: normal;
  }

  .aia-msg-user,
  .aia-msg-ai {
    max-width: 100%;
  }
}