:root {
  color-scheme: light;
  --ink: #20242a;
  --muted: #656d78;
  --line: #d9dde4;
  --soft: #f4f5f7;
  --purple: #8e44ad;
  --purple-dark: #6f2f8d;
  --green: #147a50;
  --orange: #c66b16;
  --white: #ffffff;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  letter-spacing: 0;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 0 40px;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.brand > span:last-child > span,
.hero h1 span,
.ia {
  color: var(--purple);
}

.brand-mark {
  color: var(--purple);
  font-size: 18px;
  line-height: 1;
}

nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 14px;
  font-weight: 650;
}

nav > a {
  text-decoration: none;
}

nav > a:hover,
nav > a:focus-visible,
.text-link:hover,
.text-link:focus-visible {
  color: var(--purple-dark);
}

.nav-gallery {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  color: var(--white);
  background: var(--purple);
  border: 0;
  border-radius: 5px;
  cursor: pointer;
}

.nav-gallery:hover,
.nav-gallery:focus-visible {
  color: var(--white);
  background: var(--purple-dark);
}

.gallery-menu {
  position: relative;
  z-index: 5;
}

.gallery-menu > summary {
  list-style: none;
}

.gallery-menu > summary::-webkit-details-marker {
  display: none;
}

.gallery-menu > summary::after {
  width: 7px;
  height: 7px;
  margin-left: 10px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  content: "";
  transform: translateY(-2px) rotate(45deg);
  transition: transform 120ms ease;
}

.gallery-menu[open] > summary::after {
  transform: translateY(2px) rotate(225deg);
}

.gallery-options {
  position: absolute;
  top: calc(100% + 9px);
  left: 0;
  width: min(320px, calc(100vw - 32px));
  padding: 6px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: 0 14px 36px rgba(32, 36, 42, 0.18);
}

.gallery-menu-nav .gallery-options,
.gallery-menu-end .gallery-options {
  right: 0;
  left: auto;
}

.gallery-options a {
  display: grid;
  gap: 3px;
  padding: 10px 11px;
  border-radius: 4px;
  text-decoration: none;
}

.gallery-options a:hover,
.gallery-options a:focus-visible {
  color: var(--ink);
  background: var(--soft);
  outline: none;
}

.gallery-options strong {
  color: var(--purple-dark);
  font-size: 14px;
}

.gallery-options span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
}

.gallery-options .gallery-all {
  margin-top: 4px;
  color: var(--green);
  border-top: 1px solid var(--line);
  border-radius: 0 0 4px 4px;
  font-size: 13px;
  font-weight: 750;
}

.gallery-menu-action > summary {
  cursor: pointer;
}

.hero {
  position: relative;
  min-height: 620px;
  height: 82svh;
  max-height: 820px;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-media,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-media {
  background-image: url("/site-assets/demo.gif");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

.hero-shade {
  background: rgba(255, 255, 255, 0.84);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(720px, calc(100% - 80px));
  margin-left: max(40px, calc((100% - 1200px) / 2));
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: 76px;
  line-height: 1;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 660px;
  margin: 24px 0 0;
  font-size: 22px;
  line-height: 1.5;
}

.hero-actions,
.closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border: 1px solid var(--ink);
  border-radius: 5px;
  font-size: 15px;
  font-weight: 750;
  text-decoration: none;
}

.button.primary {
  color: var(--white);
  background: var(--purple);
  border-color: var(--purple);
}

.button.primary:hover,
.button.primary:focus-visible {
  background: var(--purple-dark);
  border-color: var(--purple-dark);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.82);
}

.button.secondary:hover,
.button.secondary:focus-visible {
  background: var(--white);
  border-color: var(--purple);
}

.install {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
}

.install code {
  display: inline-block;
  padding: 8px 10px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 14px;
}

.agent-band {
  padding: 24px 0;
  color: var(--white);
  background: #252a31;
  border-bottom: 4px solid var(--green);
}

.agent-band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}

.agent-band p {
  margin: 0;
  font-size: 15px;
  line-height: 1.55;
}

.agent-names {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

.agent-names span {
  padding: 8px 12px;
  border: 1px solid #707984;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 750;
}

.band {
  background: var(--soft);
  border-bottom: 1px solid var(--line);
}

.section-inner {
  width: min(1200px, calc(100% - 80px));
  margin: 0 auto;
}

.intro,
.capabilities,
.closing,
.product-proof {
  padding: 92px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(340px, 1fr);
  column-gap: 72px;
  align-items: end;
  margin-bottom: 58px;
}

.section-heading .eyebrow {
  grid-column: 1 / -1;
}

h2 {
  margin: 0;
  font-size: 40px;
  line-height: 1.16;
  letter-spacing: 0;
}

.section-heading > p:last-child,
.proof-copy > p,
.capability-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.65;
}

.workflow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid #bfc5ce;
  border-bottom: 1px solid #bfc5ce;
}

.workflow li {
  min-height: 170px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 28px;
  border-right: 1px solid #bfc5ce;
}

.workflow li:last-child {
  border-right: 0;
}

.workflow strong {
  color: var(--purple-dark);
  font-size: 19px;
}

.workflow span {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}

.proof-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.38fr) minmax(520px, 1fr);
  gap: 64px;
  align-items: center;
}

.proof-copy h2 {
  margin-bottom: 22px;
}

.text-link {
  display: inline-flex;
  gap: 8px;
  margin-top: 28px;
  color: var(--purple-dark);
  font-weight: 750;
  text-decoration: none;
}

figure {
  margin: 0;
}

figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
}

figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}

.section-heading.compact {
  display: block;
  max-width: 650px;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid #bfc5ce;
}

.capability-grid article {
  min-height: 190px;
  padding: 32px 40px 32px 0;
  border-bottom: 1px solid #bfc5ce;
}

.capability-grid article:nth-child(odd) {
  padding-right: 64px;
  border-right: 1px solid #bfc5ce;
}

.capability-grid article:nth-child(even) {
  padding-left: 64px;
}

.capability-grid h3 {
  margin: 0 0 12px;
  font-size: 21px;
}

.closing {
  border-bottom: 1px solid var(--line);
}

.closing-inner {
  display: flex;
  justify-content: space-between;
  gap: 64px;
  align-items: end;
}

.closing-inner > div:first-child {
  max-width: 720px;
}

.closing-actions {
  flex: 0 0 auto;
  margin-top: 0;
}

.gallery-directory {
  min-height: calc(100svh - 122px);
  padding: 72px 0 100px;
}

.gallery-directory-header {
  max-width: 780px;
  margin-bottom: 56px;
}

.gallery-directory-header h1 {
  margin: 0;
  font-size: 48px;
  line-height: 1.12;
  letter-spacing: 0;
}

.gallery-directory-header > p:last-child {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

.gallery-list {
  margin: 0;
  border-top: 1px solid #bfc5ce;
}

.gallery-list a {
  display: grid;
  grid-template-columns: minmax(160px, 0.42fr) minmax(280px, 1fr) auto;
  gap: 32px;
  align-items: center;
  min-height: 112px;
  padding: 24px 12px;
  border-bottom: 1px solid #bfc5ce;
  text-decoration: none;
}

.gallery-list a:hover,
.gallery-list a:focus-visible {
  background: var(--soft);
  outline: none;
}

.gallery-list strong {
  color: var(--purple-dark);
  font-size: 22px;
}

.gallery-list span {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
}

.gallery-list b {
  color: var(--green);
  font-size: 13px;
}

footer {
  padding: 28px 0;
  color: var(--muted);
  font-size: 13px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.footer-inner a {
  color: var(--purple-dark);
}

@media (max-width: 900px) {
  .site-header {
    padding: 0 24px;
  }

  nav > a:not(.nav-gallery) {
    display: none;
  }

  .hero {
    min-height: 560px;
    height: 80svh;
  }

  .hero-content,
  .section-inner {
    width: calc(100% - 48px);
    margin-left: 24px;
    margin-right: 24px;
  }

  .hero h1 {
    font-size: 58px;
  }

  .hero-copy {
    font-size: 19px;
  }

  .section-heading,
  .proof-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .workflow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .workflow li:nth-child(2) {
    border-right: 0;
  }

  .workflow li:nth-child(-n+2) {
    border-bottom: 1px solid #bfc5ce;
  }

  .closing-inner {
    display: block;
  }

  .agent-band-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
  }

  .closing-actions {
    margin-top: 28px;
  }

  .gallery-directory {
    padding-top: 56px;
  }

  .gallery-list a {
    grid-template-columns: minmax(130px, 0.4fr) 1fr auto;
    gap: 20px;
  }
}

@media (max-width: 620px) {
  .site-header {
    min-height: 58px;
    padding: 0 16px;
  }

  .brand {
    font-size: 19px;
  }

  .brand-mark {
    font-size: 15px;
  }

  .nav-gallery {
    padding: 8px 10px;
    font-size: 13px;
  }

  .hero {
    min-height: 540px;
    height: 82svh;
  }

  .hero-content,
  .section-inner {
    width: calc(100% - 32px);
    margin-left: 16px;
    margin-right: 16px;
  }

  .hero h1 {
    font-size: 48px;
  }

  .hero-copy {
    font-size: 17px;
  }

  .hero-actions .button,
  .closing-actions .button {
    width: 100%;
  }

  .hero-actions .gallery-menu,
  .closing-actions .gallery-menu {
    width: 100%;
  }

  .gallery-menu-action .gallery-options,
  .gallery-menu-end .gallery-options {
    right: auto;
    left: 0;
  }

  .install {
    align-items: flex-start;
    flex-direction: column;
  }

  .install code {
    max-width: 100%;
    overflow-wrap: anywhere;
  }

  .agent-names {
    width: 100%;
  }

  .agent-names span {
    flex: 1 1 0;
    text-align: center;
  }

  .intro,
  .capabilities,
  .closing,
  .product-proof {
    padding: 64px 0;
  }

  h2 {
    font-size: 32px;
  }

  .workflow,
  .capability-grid {
    grid-template-columns: 1fr;
  }

  .workflow li,
  .workflow li:nth-child(2) {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid #bfc5ce;
  }

  .workflow li:last-child {
    border-bottom: 0;
  }

  .capability-grid article,
  .capability-grid article:nth-child(odd),
  .capability-grid article:nth-child(even) {
    min-height: 0;
    padding: 28px 0;
    border-right: 0;
  }

  .footer-inner {
    flex-direction: column;
  }

  .gallery-directory-header h1 {
    font-size: 38px;
  }

  .gallery-list a {
    grid-template-columns: 1fr auto;
    min-height: 0;
    gap: 8px 18px;
  }

  .gallery-list span {
    grid-column: 1 / -1;
    grid-row: 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-media {
    background-image: url("/site-assets/shell-feedback-panel.png");
  }
}