/* Self-contained light theme. No remote fonts, libraries, or trackers. */
:root {
  --paper: #f7f7f2;
  --ink: #20283a;
  --muted: #536071;
  --violet: #5143c4;
  --lavender: #efedf9;
  --line: #d9dfe5;
  --sage: #eaf2ed;
  --font:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 30px;
  color-scheme: light;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
}
button {
  font: inherit;
}
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--violet);
  outline-offset: 5px;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1,
h2,
h3 {
  line-height: 1.12;
  letter-spacing: -0.045em;
}
h1 {
  font-size: clamp(3.3rem, 5.5vw, 5.3rem);
  font-weight: 650;
  margin-bottom: 26px;
}
h2 {
  font-size: clamp(2.1rem, 3.7vw, 3.45rem);
  font-weight: 620;
  margin-bottom: 22px;
}
h3 {
  font-size: 1.15rem;
  letter-spacing: -0.025em;
  font-weight: 650;
}
p {
  color: var(--muted);
}
.wrap {
  width: min(1200px, calc(100% - 80px));
  margin-inline: auto;
}
.section {
  padding-block: 96px;
}
.eyebrow {
  font-size: 0.69rem;
  letter-spacing: 0.16em;
  font-weight: 750;
  color: var(--muted);
  margin-bottom: 22px;
}
.caption {
  font-size: 0.77rem;
  color: var(--muted);
  margin: 18px 0 0;
}
.skip-link {
  position: absolute;
  left: 16px;
  top: -70px;
  background: white;
  padding: 10px;
  z-index: 20;
}
.skip-link:focus {
  top: 12px;
}
.site-header {
  border-bottom: 1px solid var(--line);
}
.nav {
  min-height: 88px;
  display: flex;
  align-items: center;
  gap: 30px;
  justify-content: space-between;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 750;
  font-size: 1.25rem;
  letter-spacing: -0.04em;
  white-space: nowrap;
}
.brand-mark {
  background: var(--violet);
  color: white;
  border-radius: 11px;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  letter-spacing: -0.06em;
}
.nav-links {
  display: flex;
  gap: 28px;
  margin-left: auto;
  margin-right: 24px;
  font-size: 0.85rem;
  font-weight: 550;
}
.nav-links a {
  text-decoration: none;
}
.nav-links a:hover,
.text-link:hover {
  text-decoration: underline;
  text-underline-offset: 5px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 25px;
  border: 1px solid var(--violet);
  border-radius: 8px;
  background: var(--violet);
  color: white;
  text-decoration: none;
  padding: 14px 21px;
  font-size: 0.9rem;
  font-weight: 650;
  cursor: pointer;
  transition: background 0.15s;
}
.button:hover {
  background: #4033a8;
}
.button.small {
  padding: 10px 15px;
  font-size: 0.79rem;
  gap: 16px;
}
.hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 65px;
  align-items: center;
  padding-block: 80px;
}
.hero h1 span {
  color: var(--violet);
}
.hero-description {
  font-size: 1.06rem;
  max-width: 470px;
  line-height: 1.75;
  margin-bottom: 28px;
}
.actions {
  display: flex;
  gap: 22px;
  align-items: center;
  flex-wrap: wrap;
}
.text-link {
  font-size: 0.85rem;
  font-weight: 650;
  text-decoration: none;
}
.hero-note {
  font-size: 0.76rem;
  margin: 20px 0 0;
}
.idea-board {
  min-height: 560px;
  background: var(--lavender);
  border: 1px solid #e0dcf2;
  border-radius: 24px;
  padding: 27px;
  overflow: hidden;
  box-shadow: 0 16px 40px #25244406;
}
.board-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.board-top .eyebrow {
  margin: 0;
  font-size: 0.61rem;
}
.board-top > span:last-child {
  font-size: 1.5rem;
  color: var(--violet);
}
.idea-note {
  background: #fffdf3;
  border: 1px solid #e6e1cd;
  padding: 24px 30px;
  width: 82%;
  margin: 32px auto 30px;
  transform: rotate(-4deg);
  border-radius: 3px;
  box-shadow: 0 12px 18px #2c22560a;
  position: relative;
}
.note-label {
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  color: #706d60;
}
.idea-note p {
  font-family: Georgia, serif;
  font-size: 2rem;
  line-height: 1.15;
  color: var(--ink);
  margin: 14px 0 8px;
  letter-spacing: -0.03em;
}
.hand-arrow {
  position: absolute;
  right: 25px;
  bottom: 10px;
  font-size: 3rem;
  color: var(--violet);
}
.perspective {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 17px;
  background: white;
  border: 1px solid #e4e0ed;
  border-radius: 12px;
  box-shadow: 0 5px 10px #22222203;
  width: 94%;
  margin: 12px 0;
}
.perspective.offset {
  margin-left: 6%;
}
.perspective strong {
  font-size: 0.9rem;
}
.perspective div > span {
  display: block;
  color: var(--muted);
  font-size: 0.71rem;
}
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 35px;
  height: 35px;
  border-radius: 50%;
  flex-shrink: 0;
  font-size: 0.8rem;
  font-weight: 750;
  color: #46359d;
  background: #e8e3fa;
}
.sage {
  color: #2d6350;
  background: #ddefe5;
}
.peach {
  color: #8c442e;
  background: #fae4d8;
}
.ink {
  background: var(--ink);
  color: white;
}
.board-bottom {
  font-size: 0.73rem;
  text-align: center;
  margin: 25px 0 0;
}
.availability {
  border-block: 1px solid var(--line);
  padding: 17px 0;
  display: flex;
  align-items: center;
  gap: 17px;
  font-size: 0.79rem;
  margin: 0;
}
.pill {
  display: inline-block;
  font-size: 0.61rem;
  letter-spacing: 0.12em;
  font-weight: 750;
  white-space: nowrap;
  border: 1px solid #d6d0ee;
  background: var(--lavender);
  color: #50428f;
  border-radius: 5px;
  padding: 4px 8px;
}
.section-intro {
  max-width: 640px;
  margin-bottom: 38px;
}
.section-intro > p:last-child {
  font-size: 1rem;
  max-width: 530px;
}
.board-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}
.board-card {
  padding: 23px 20px;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  background: white;
  border: 1px solid var(--line);
  border-radius: 12px;
  transition:
    background 0.15s,
    border-color 0.15s;
}
.board-card:hover {
  background: var(--lavender);
  border-color: #c2b8e9;
}
.card-number {
  display: flex;
  justify-content: space-between;
  font-size: 0.68rem;
  color: var(--muted);
  margin-bottom: 32px;
}
.card-number > span {
  font-size: 1rem;
  color: var(--violet);
}
.board-card h3 {
  font-size: 1.12rem;
  line-height: 1.3;
  margin-bottom: 15px;
}
.board-card p {
  font-size: 0.82rem;
  line-height: 1.65;
  margin-bottom: 25px;
}
.card-footer {
  font-size: 0.66rem;
  color: var(--muted);
  padding-top: 16px;
  border-top: 1px solid var(--line);
  margin-top: auto;
}
.example-section {
  padding: 82px 0;
  background: #efeee8;
  border-block: 1px solid #e3e3dc;
}
.example-controls {
  display: flex;
  gap: 9px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.example-controls button {
  border: 1px solid #cbd0d8;
  border-radius: 7px;
  background: transparent;
  color: var(--ink);
  padding: 9px 18px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}
.example-controls button:hover {
  background: white;
}
.example-controls button[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: white;
}
.conversation {
  border: 1px solid #d1d5dd;
  border-radius: 18px;
  background: white;
  overflow: hidden;
  box-shadow: 0 18px 45px #20283a08;
}
.conversation-header {
  background: var(--ink);
  color: white;
  padding: 22px 28px;
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: space-between;
}
.conversation-header .caption {
  color: #ccd1df;
  font-size: 0.57rem;
  letter-spacing: 0.16em;
  margin: 0;
}
.conversation-header h3 {
  font-size: 1rem;
  margin: 6px 0 0;
  letter-spacing: -0.01em;
}
.example-label {
  font-size: 0.68rem;
  color: #e0e4ee;
}
.conversation-body {
  display: grid;
  grid-template-columns: 240px 1fr;
}
.roster {
  padding: 28px 23px;
  border-right: 1px solid var(--line);
  background: #fafaf7;
}
.roster .eyebrow {
  font-size: 0.58rem;
}
.member {
  display: flex;
  gap: 11px;
  align-items: center;
  margin-bottom: 24px;
}
.member strong {
  display: block;
  font-size: 0.87rem;
}
.member small {
  font-size: 0.7rem;
  color: var(--muted);
  display: block;
  line-height: 1.4;
  margin-top: 2px;
}
.roster-note {
  font-size: 0.69rem;
  margin: 36px 0 0;
  line-height: 1.6;
}
.chat {
  padding: 27px 32px;
}
.message {
  display: flex;
  gap: 14px;
  margin-bottom: 23px;
}
.message .avatar {
  width: 31px;
  height: 31px;
  font-size: 0.72rem;
}
.message-author {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 5px;
  flex-wrap: wrap;
}
.message-author strong {
  font-size: 0.82rem;
}
.message-author small {
  font-size: 0.65rem;
  color: var(--muted);
}
.message p {
  font-size: 0.9rem;
  line-height: 1.75;
  margin: 0;
  color: #364254;
}
.message.user p {
  color: var(--ink);
}
.message.user {
  border-bottom: 1px solid #ebedf0;
  padding-bottom: 21px;
}
.message:last-child {
  margin-bottom: 0;
}
.conversation-end {
  margin-top: 25px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
}
.conversation-end > span {
  font-size: 0.74rem;
  color: var(--muted);
}
[hidden] {
  display: none !important;
}
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 35px;
}
.step-number {
  display: block;
  color: var(--violet);
  font-family: Georgia, serif;
  font-size: 2rem;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 20px;
}
.steps h3 {
  font-size: 1.03rem;
  margin-bottom: 14px;
}
.steps p {
  font-size: 0.85rem;
}
.difference {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  background: var(--sage);
  border-radius: 20px;
  padding: 55px;
}
.difference > div > p:last-child {
  max-width: 350px;
  font-size: 0.95rem;
}
.difference-list article {
  display: flex;
  gap: 20px;
  padding-bottom: 21px;
  margin-bottom: 22px;
  border-bottom: 1px solid #d0dfd6;
}
.difference-list article:last-child {
  margin-bottom: 0;
  border: 0;
  padding: 0;
}
.difference-list article > span {
  color: #396a52;
  font-size: 1.3rem;
  min-width: 20px;
}
.difference-list h3 {
  font-size: 1.03rem;
  margin-bottom: 10px;
}
.difference-list p {
  font-size: 0.85rem;
  margin: 0;
}
.model-section {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 110px;
  align-items: center;
}
.model-section > div > p {
  font-size: 0.95rem;
}
.cost-note {
  border-left: 2px solid #c7c1e6;
  padding-left: 18px;
  font-size: 0.78rem !important;
  margin-top: 25px;
}
.provider-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.provider-grid > div {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 25px;
  background: white;
  font-weight: 650;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: 12px;
}
.provider-grid > div > span {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--lavender);
  color: var(--violet);
  font-family: Georgia, serif;
  font-size: 1.2rem;
}
.provider-grid > p {
  grid-column: 1/-1;
  text-align: center;
  font-size: 0.76rem;
  margin: 13px 0 0;
}
.roadmap {
  display: flex;
  align-items: flex-start;
  gap: 25px;
  border-block: 1px solid var(--line);
  padding: 25px 0;
}
.roadmap h3 {
  font-size: 1.05rem;
  margin-bottom: 9px;
}
.roadmap p {
  font-size: 0.83rem;
  max-width: 800px;
  margin: 0;
}
.faq {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 70px;
}
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 20px 0;
}
.faq details:first-child {
  padding-top: 0;
}
.faq summary {
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 25px;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary:after {
  content: "+";
  color: var(--violet);
  font-size: 1.15rem;
}
.faq details[open] summary:after {
  content: "−";
}
.faq details p {
  font-size: 0.86rem;
  margin: 14px 25px 0 0;
}
.closing {
  background: var(--lavender);
  border-block: 1px solid #ddd7ef;
  text-align: center;
  padding: 80px 0;
}
.closing h2 {
  font-size: clamp(2.3rem, 4.5vw, 4rem);
}
.closing p:not(.eyebrow) {
  font-size: 1rem;
  margin-bottom: 28px;
}
.footer {
  padding-block: 32px;
  display: flex;
  gap: 25px;
  align-items: center;
  justify-content: space-between;
}
.footer p {
  font-size: 0.75rem;
  margin: 0;
}
.footer > span {
  font-size: 0.66rem;
  color: var(--muted);
}
@media (max-width: 1100px) {
  .wrap {
    width: calc(100% - 48px);
  }
  .hero {
    gap: 35px;
  }
  .idea-board {
    padding: 22px;
  }
  .board-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .board-card:last-child {
    grid-column: span 2;
  }
  .nav-links {
    gap: 18px;
    margin-right: 0;
  }
  .model-section {
    gap: 45px;
  }
  .difference {
    gap: 45px;
    padding: 40px;
  }
  .hero h1 {
    font-size: clamp(3rem, 5.5vw, 4.6rem);
  }
}
@media (max-width: 760px) {
  .nav {
    min-height: 78px;
    gap: 12px;
  }
  .nav-links {
    display: none;
  }
  .nav > .button {
    font-size: 0.7rem;
    padding: 9px 10px;
    gap: 8px;
  }
  .brand {
    font-size: 1.1rem;
  }
  .brand-mark {
    width: 34px;
    height: 34px;
    font-size: 18px;
  }
  .hero {
    grid-template-columns: 1fr;
    padding-block: 45px;
    gap: 38px;
  }
  .hero h1 {
    font-size: clamp(2.9rem, 9vw, 4.2rem);
  }
  .hero-description {
    font-size: 1rem;
    max-width: 100%;
  }
  .idea-board {
    min-height: 0;
    max-width: 500px;
    width: 100%;
    margin-inline: auto;
  }
  .idea-note {
    margin-block: 25px;
  }
  .idea-note p {
    font-size: 1.8rem;
  }
  .availability {
    align-items: flex-start;
    font-size: 0.72rem;
  }
  .section {
    padding-block: 60px;
  }
  .board-grid {
    grid-template-columns: 1fr 1fr;
  }
  .board-card:last-child {
    grid-column: 1/-1;
  }
  .board-card {
    padding: 20px;
  }
  .card-number {
    margin-bottom: 20px;
  }
  .section-intro {
    margin-bottom: 28px;
  }
  .example-section {
    padding: 55px 0;
  }
  .conversation-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 20px;
  }
  .conversation-body {
    grid-template-columns: 1fr;
  }
  .roster {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 18px;
  }
  .roster > .eyebrow {
    margin-bottom: 15px;
  }
  #roster {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
  }
  .member {
    margin: 0;
    flex: 1 1 110px;
    gap: 7px;
  }
  .member .avatar {
    width: 28px;
    height: 28px;
  }
  .member small {
    font-size: 0.62rem;
  }
  .roster-note {
    margin: 13px 0 0;
    font-size: 0.62rem;
  }
  .roster-note br {
    display: none;
  }
  .chat {
    padding: 20px;
  }
  .message {
    gap: 10px;
  }
  .message p {
    font-size: 0.84rem;
  }
  .conversation-end {
    align-items: flex-start;
    flex-direction: column;
  }
  .example-controls {
    gap: 7px;
  }
  .example-controls button {
    font-size: 0.74rem;
    padding: 8px 12px;
  }
  .steps {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .difference {
    grid-template-columns: 1fr;
    gap: 25px;
    padding: 30px;
  }
  .difference > div > p:last-child {
    max-width: 100%;
  }
  .model-section {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .provider-grid > div {
    padding: 20px;
  }
  .roadmap {
    flex-direction: column;
    gap: 15px;
  }
  .faq {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .closing {
    padding: 60px 0;
  }
  .footer {
    flex-wrap: wrap;
    gap: 18px;
  }
  .footer > span {
    width: 100%;
  }
}
@media (max-width: 380px) {
  .wrap {
    width: calc(100% - 32px);
  }
  .board-grid,
  .steps {
    grid-template-columns: 1fr;
  }
  .board-card:last-child {
    grid-column: auto;
  }
  .hero h1 {
    font-size: 2.7rem;
  }
  .idea-board {
    padding: 17px;
  }
  .perspective {
    padding: 12px;
  }
  .perspective strong {
    font-size: 0.77rem;
  }
  .perspective div > span {
    font-size: 0.65rem;
  }
  .provider-grid > div {
    padding: 13px;
    gap: 8px;
  }
  .nav > .button {
    max-width: 146px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition: none !important;
    animation: none !important;
  }
}