:root {
  color-scheme: light;
  --ink: #101827;
  --ink-soft: #273247;
  --muted: #647084;
  --line: #e3e9f3;
  --panel: #ffffff;
  --panel-soft: #f7faff;
  --cyan: #11bfe7;
  --blue: #2d6ff5;
  --violet: #8b5cf6;
  --pink: #e879f9;
  --green: #14b88a;
  --shadow: 0 24px 70px rgba(20, 31, 50, 0.14);
  --shadow-soft: 0 14px 40px rgba(20, 31, 50, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 10%, rgba(17, 191, 231, 0.18), transparent 28rem),
    radial-gradient(circle at 82% 5%, rgba(232, 121, 249, 0.18), transparent 28rem),
    linear-gradient(180deg, #ffffff 0, #f8fbff 38rem, #ffffff 76rem);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

img {
  display: block;
  max-width: 100%;
}

h1,
h2,
h3,
p,
figure {
  margin-top: 0;
}

p {
  color: var(--muted);
  line-height: 1.65;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
  padding: 0 5vw;
  border-bottom: 1px solid rgba(227, 233, 243, 0.82);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(18px);
}

.brand,
.nav-links,
.header-actions,
.hero-actions,
.trust-row,
.install-actions,
.site-footer,
.footer-brand {
  display: flex;
  align-items: center;
}

.brand,
.footer-brand {
  gap: 0.72rem;
  color: var(--ink);
  font-size: 1rem;
  font-weight: 900;
}

.brand img,
.footer-brand img {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 8px;
  box-shadow: 0 10px 24px rgba(45, 111, 245, 0.18);
}

.nav-links {
  gap: 1.5rem;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 800;
}

.nav-links a,
.site-footer a {
  transition: color 160ms ease;
}

.nav-links a:hover,
.site-footer a:hover {
  color: var(--blue);
}

.header-action,
.button,
.icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 8px;
  font-weight: 900;
  line-height: 1;
  white-space: nowrap;
}

.header-action {
  padding: 0.75rem 1rem;
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), var(--violet));
  box-shadow: 0 14px 28px rgba(45, 111, 245, 0.24);
}

.header-actions {
  gap: 0.7rem;
}

.icon-link {
  width: 46px;
  border: 1px solid var(--line);
  background: #ffffff;
  color: #111827;
  box-shadow: 0 10px 24px rgba(20, 31, 50, 0.06);
  transition:
    border-color 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.icon-link:hover {
  border-color: rgba(45, 111, 245, 0.45);
  color: var(--blue);
  transform: translateY(-1px);
}

.icon-link svg,
.button-with-icon svg {
  width: 1.25rem;
  height: 1.25rem;
  fill: currentColor;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
  padding: 3rem 5vw 0;
  overflow: hidden;
}

.hero-brand {
  display: flex;
  justify-content: center;
}

.hero-brand img {
  width: min(100%, 1020px);
  border-radius: 8px;
  box-shadow: 0 26px 80px rgba(14, 18, 31, 0.22);
}

.hero-copy {
  max-width: 890px;
  margin: 0 auto;
  text-align: center;
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  max-width: 880px;
  margin: 0 auto 1.1rem;
  color: #080f1d;
  font-size: 5rem;
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 760px;
  margin: 0 auto;
  font-size: 1.18rem;
}

.hero-actions {
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  padding: 0.9rem 1.18rem;
  border: 1px solid transparent;
}

.button-primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), var(--violet) 58%, var(--pink));
  box-shadow: 0 18px 34px rgba(45, 111, 245, 0.25);
}

.button-primary:hover,
.header-action:hover {
  filter: saturate(1.08) brightness(0.98);
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink-soft);
  box-shadow: 0 10px 24px rgba(20, 31, 50, 0.06);
}

.button-with-icon {
  gap: 0.5rem;
}

.trust-row {
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.5rem;
}

.trust-row span {
  min-height: 48px;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(227, 233, 243, 0.9);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
  color: var(--ink-soft);
  font-size: 1rem;
  font-weight: 900;
  box-shadow: 0 12px 28px rgba(20, 31, 50, 0.06);
}

.hero-preview {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding-top: 1.5rem;
}

.browser-frame {
  width: 100%;
  overflow: hidden;
  border: 1px solid rgba(207, 217, 230, 0.9);
  border-radius: 8px 8px 0 0;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.browser-top {
  display: grid;
  grid-template-columns: 12px 12px 12px minmax(0, 1fr);
  align-items: center;
  gap: 0.55rem;
  min-height: 42px;
  padding: 0 0.95rem;
  border-bottom: 1px solid var(--line);
  background: #f8fafc;
}

.browser-top span {
  width: 12px;
  height: 12px;
  border-radius: 999px;
}

.browser-top span:nth-child(1) {
  background: #ff5f57;
}

.browser-top span:nth-child(2) {
  background: #ffbd2e;
}

.browser-top span:nth-child(3) {
  background: #28c840;
}

.browser-top strong {
  min-width: 0;
  margin-left: 0.5rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid #e9eef6;
  border-radius: 8px;
  background: #ffffff;
  color: #7a8597;
  font-size: 0.84rem;
  font-weight: 800;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.browser-body {
  display: block;
  min-height: 430px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0), rgba(17, 191, 231, 0.05)),
    #ffffff;
}

.scenario-previews {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  padding: 1.15rem;
}

.scenario-card {
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) minmax(0, 1.28fr);
  align-items: center;
  column-gap: 1rem;
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  min-height: 150px;
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(248, 251, 255, 0.95)),
    #ffffff;
}

.scenario-learning {
  border-top-color: rgba(37, 99, 235, 0.42);
}

.scenario-workplace {
  border-top-color: rgba(5, 150, 105, 0.42);
}

.scenario-creative {
  border-top-color: rgba(219, 39, 119, 0.42);
}

.scenario-card h2 {
  margin-bottom: 0.7rem;
  color: var(--ink);
  font-size: 1.32rem;
  line-height: 1.12;
  letter-spacing: 0;
}

.scenario-card .mock-kicker,
.scenario-card h2,
.selected-copy {
  grid-column: 1;
  min-width: 0;
}

.selected-copy {
  margin-bottom: 0;
  padding: 0.85rem;
  border: 1px solid rgba(45, 111, 245, 0.15);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink-soft);
  font-size: 0.93rem;
  font-weight: 700;
  line-height: 1.5;
}

.real-toolbar {
  grid-column: 2;
  grid-row: 1 / span 3;
  min-width: 0;
  max-width: min(680px, 100%);
  border: 1px solid #d8deea;
  border-left: 5px solid var(--scenario-color, #2563eb);
  border-radius: 8px;
  background: #ffffff;
  color: #172033;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.16);
  font-size: 13px;
}

.real-toolbar-inner {
  display: flex;
  align-items: center;
  gap: 6px;
  max-width: 100%;
  padding: 7px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
}

.real-toolbar select,
.real-toolbar button {
  min-height: 32px;
  border: 1px solid #d8deea;
  border-radius: 7px;
  padding: 0 9px;
  background: #ffffff;
  color: #172033;
  font: inherit;
  white-space: nowrap;
}

.real-toolbar select {
  max-width: 132px;
  border-color: var(--scenario-color, #2563eb);
  color: var(--scenario-color, #2563eb);
  font-weight: 700;
}

.real-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-color: var(--action-color, #2563eb) !important;
  background: var(--action-color, #2563eb) !important;
  color: #ffffff !important;
  font-weight: 700 !important;
}

.real-action-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.4em;
  font-weight: 800;
}

.real-action-icon svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.real-more {
  position: relative;
}

.real-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  z-index: 2;
  display: none;
  min-width: 150px;
  padding: 6px;
  border: 1px solid #d8deea;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.16);
}

.real-more:hover .real-menu {
  display: grid;
  gap: 5px;
}

.real-input-panel {
  display: flex;
  width: 100%;
  box-sizing: border-box;
  padding: 0 7px 7px;
}

.real-input-panel[hidden] {
  display: none;
}

.real-input {
  width: 100%;
  min-height: 34px;
  box-sizing: border-box;
  border: 1px solid #d8deea;
  border-radius: 7px;
  padding: 0 10px;
  outline: none;
  background: #f8fafc;
  color: #172033;
  font: inherit;
}

.article-pane {
  position: relative;
  padding: 2.2rem;
}

.mock-kicker {
  margin-bottom: 0.6rem;
  color: var(--green);
  font-size: 0.8rem;
  font-weight: 900;
  text-transform: uppercase;
}

.article-pane h2 {
  max-width: 560px;
  margin-bottom: 0.9rem;
  color: var(--ink);
  font-size: 2.4rem;
  line-height: 1.05;
  letter-spacing: 0;
}

.article-pane p {
  max-width: 620px;
  font-size: 1rem;
}

.selection-highlight {
  max-width: 620px;
  margin: 1.5rem 0 1rem;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(45, 111, 245, 0.22);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(45, 111, 245, 0.1), rgba(17, 191, 231, 0.08));
  color: #1e3a8a;
  font-weight: 800;
  line-height: 1.55;
}

.toolbar-demo {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  max-width: 620px;
  padding: 0.65rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-soft);
}

.toolbar-demo button {
  min-height: 34px;
  padding: 0 0.76rem;
  border: 1px solid #dce6f5;
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink-soft);
  font-size: 0.86rem;
  font-weight: 900;
}

.side-panel-demo {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  border-left: 1px solid var(--line);
  padding: 1.2rem;
  background:
    radial-gradient(circle at 80% 8%, rgba(139, 92, 246, 0.14), transparent 12rem),
    #f9fbff;
}

.panel-head {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink);
  font-weight: 900;
}

.panel-head img {
  width: 2rem;
  height: 2rem;
  border-radius: 8px;
}

.chat-card {
  padding: 0.95rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.5;
  box-shadow: 0 10px 22px rgba(20, 31, 50, 0.06);
}

.chat-card p {
  margin: 0.45rem 0 0;
  font-size: 0.9rem;
}

.user {
  border-color: rgba(45, 111, 245, 0.24);
}

.assistant {
  margin-top: auto;
}

.send-button {
  min-height: 42px;
  border: 0;
  border-radius: 8px;
  color: #ffffff;
  background: #111827;
  font-weight: 900;
}

.feature-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 5vw;
}

.feature-strip article {
  min-height: 150px;
  padding: 1.35rem;
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
}

.feature-strip article:first-child {
  border-left: 1px solid var(--line);
}

.feature-strip span,
.install-steps span {
  display: inline-grid;
  place-items: center;
  width: 2.05rem;
  height: 2.05rem;
  margin-bottom: 0.85rem;
  border-radius: 8px;
  background: #edf5ff;
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 900;
}

.feature-strip h2 {
  margin-bottom: 0.45rem;
  color: var(--ink);
  font-size: 1.12rem;
  line-height: 1.2;
  letter-spacing: 0;
}

.feature-strip p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

.section {
  padding: 5.5rem 5vw;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 2.4rem;
}

.compact-heading {
  max-width: 920px;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-heading h2,
.install-panel h2,
.privacy h2 {
  margin-bottom: 0.9rem;
  color: var(--ink);
  font-size: 3.25rem;
  line-height: 1.04;
  letter-spacing: 0;
}

.section-heading p,
.install-panel p,
.privacy p {
  font-size: 1.08rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.feature-card {
  min-height: 230px;
  padding: 1.35rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 8px 22px rgba(20, 31, 50, 0.05);
}

.feature-card:nth-child(2n) {
  background: var(--panel-soft);
}

.feature-icon {
  display: inline-grid;
  place-items: center;
  width: 2.45rem;
  height: 2.45rem;
  margin-bottom: 1.1rem;
  border: 1px solid rgba(45, 111, 245, 0.2);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(17, 191, 231, 0.16), rgba(139, 92, 246, 0.16));
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
}

.feature-card h3,
.install-steps h3 {
  margin-bottom: 0.65rem;
  color: var(--ink);
  font-size: 1.16rem;
  line-height: 1.25;
  letter-spacing: 0;
}

.feature-card p,
.install-steps p {
  margin-bottom: 0;
  font-size: 0.96rem;
}

.platform-section {
  padding-top: 4.5rem;
  padding-bottom: 4.5rem;
  background:
    radial-gradient(circle at 14% 10%, rgba(17, 191, 231, 0.12), transparent 18rem),
    radial-gradient(circle at 86% 20%, rgba(139, 92, 246, 0.13), transparent 18rem),
    #ffffff;
}

.platform-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.9rem;
  max-width: 1060px;
  margin: 0 auto;
}

.platform-list span {
  display: inline-flex;
  align-items: center;
  gap: 0.58rem;
  min-height: 42px;
  padding: 0.62rem 0.85rem;
  border: 1px solid rgba(45, 111, 245, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink-soft);
  font-weight: 900;
  box-shadow: 0 10px 22px rgba(20, 31, 50, 0.05);
}

.platform-list img.platform-logo {
  display: block;
  flex: 0 0 auto;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: 1px solid rgba(227, 233, 243, 0.9);
  border-radius: 8px;
  background: #ffffff;
  object-fit: contain;
  box-shadow: 0 6px 14px rgba(20, 31, 50, 0.08);
}

.demo {
  background: linear-gradient(180deg, #f7faff, #ffffff);
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.1rem;
}

.demo-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow-soft);
}

.demo-wide {
  grid-column: 1 / -1;
}

.demo-card img,
.demo-card video {
  width: 100%;
  aspect-ratio: 16 / 10;
  border-bottom: 1px solid var(--line);
  background: #05070d;
  object-fit: cover;
  object-position: top center;
}

.demo-youtube {
  grid-column: 1 / -1;
  justify-self: center;
  width: min(100%, 1120px);
}

.youtube-frame {
  aspect-ratio: 16 / 9;
  border-bottom: 1px solid var(--line);
  background: #05070d;
}

.youtube-frame iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

.demo-wide img,
.demo-wide video {
  aspect-ratio: 16 / 8;
}

.demo-card figcaption {
  display: grid;
  gap: 0.35rem;
  min-height: 5rem;
  padding: 1rem 1.1rem;
}

.demo-card strong {
  color: var(--ink);
}

.demo-card span {
  color: var(--muted);
  line-height: 1.45;
}

.install {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1fr);
  gap: 2rem;
  align-items: stretch;
}

.install-panel {
  padding: 2rem;
  border: 1px solid rgba(45, 111, 245, 0.18);
  border-radius: 8px;
  background:
    radial-gradient(circle at 90% 10%, rgba(232, 121, 249, 0.14), transparent 18rem),
    linear-gradient(135deg, #ffffff, #f5fbff);
  box-shadow: var(--shadow-soft);
}

.install-actions {
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.6rem;
}

.install-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

.install-steps article {
  padding: 1.35rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.privacy {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin: 0 5vw 4rem;
  padding: 2rem;
  border: 1px solid #c7dcff;
  border-radius: 8px;
  background: linear-gradient(135deg, #eff6ff, #f7f1ff 52%, #ecfeff);
}

.privacy div {
  max-width: 840px;
}

.privacy p {
  margin-bottom: 0;
}

.site-footer {
  justify-content: space-between;
  gap: 1rem;
  padding: 1.3rem 5vw 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer > span {
  text-align: center;
}

@media (max-width: 980px) {
  .site-header {
    flex-wrap: wrap;
    padding-top: 0.9rem;
    padding-bottom: 0.9rem;
  }

  .nav-links {
    order: 3;
    width: 100%;
    justify-content: center;
    overflow-x: auto;
    padding-bottom: 0.2rem;
  }

  h1 {
    font-size: 3.8rem;
  }

  .browser-body,
  .install {
    grid-template-columns: 1fr;
  }

  .side-panel-demo {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

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

@media (max-width: 760px) {
  .site-header {
    position: static;
  }

  .brand span {
    display: none;
  }

  .nav-links {
    justify-content: flex-start;
    gap: 1rem;
  }

  .header-action {
    padding-inline: 0.78rem;
  }

  .hero {
    padding-top: 2rem;
  }

  .hero-brand img {
    width: 120%;
    max-width: none;
  }

  h1 {
    font-size: 3rem;
  }

  .hero-lede,
  .section-heading p,
  .install-panel p,
  .privacy p {
    font-size: 1rem;
  }

  .browser-body {
    min-height: 0;
  }

  .scenario-card {
    grid-template-columns: 1fr;
    row-gap: 0.85rem;
  }

  .scenario-card .mock-kicker,
  .scenario-card h2,
  .selected-copy,
  .real-toolbar {
    grid-column: 1;
    grid-row: auto;
  }

  .article-pane {
    padding: 1.35rem;
  }

  .article-pane h2 {
    font-size: 2rem;
  }

  .feature-strip,
  .feature-grid,
  .demo-grid {
    grid-template-columns: 1fr;
  }

  .feature-strip article,
  .feature-strip article:first-child {
    border-left: 1px solid var(--line);
  }

  .demo-wide {
    grid-column: auto;
  }

  .demo-wide img,
  .demo-card img {
    aspect-ratio: 16 / 10;
  }

  .section-heading h2,
  .install-panel h2,
  .privacy h2 {
    font-size: 2.35rem;
  }

  .privacy,
  .site-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .site-footer > span {
    text-align: left;
  }

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

@media (max-width: 480px) {
  .site-header,
  .hero,
  .feature-strip,
  .section,
  .privacy,
  .site-footer {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  h1 {
    font-size: 2.45rem;
  }

  .section-heading h2,
  .install-panel h2,
  .privacy h2 {
    font-size: 2rem;
  }

  .toolbar-demo button {
    flex: 1 1 7rem;
  }

  .install-panel,
  .privacy {
    padding: 1.25rem;
  }
}