:root {
  color-scheme: light;
  --bg: #f7fafc;
  --panel: #ffffff;
  --text: #111827;
  --muted: #5b6677;
  --line: #d9e2ec;
  --brand: #0ea5e9;
  --brand-strong: #0f766e;
  --blue: #2563eb;
  --teal: #14b8a6;
  --green: #10b981;
  --soft-blue: #eef6ff;
  --soft-teal: #ecfdf5;
  --shadow: 0 24px 70px rgba(15, 23, 42, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: var(--brand-strong);
}

.shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: linear-gradient(135deg, #2563eb, #14b8a6);
  color: #ffffff;
  font-size: 14px;
  font-weight: 900;
}

nav {
  flex-wrap: wrap;
  display: flex;
  gap: 14px;
  font-size: 14px;
}

nav a {
  color: var(--muted);
  text-decoration: none;
}

main {
  padding: 46px 0 64px;
}

.home-page {
  background:
    linear-gradient(180deg, #eef7ff 0%, #f7fafc 42%, #ffffff 100%);
}

.home-page main {
  padding: 0;
}

.hero-band,
.section-band,
.split-band {
  padding: 76px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(520px, 1.08fr);
  gap: 52px;
  align-items: center;
}

.hero-copy {
  max-width: 540px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--brand-strong);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(44px, 5vw, 68px);
  line-height: 1.02;
}

.hero-copy .lead {
  margin-top: 22px;
  max-width: 510px;
  color: #475569;
  font-size: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 8px;
  padding: 0 18px;
  font-weight: 850;
  text-decoration: none;
}

.button.primary {
  background: linear-gradient(135deg, var(--blue), var(--teal));
  color: #ffffff;
  box-shadow: 0 16px 34px rgba(37, 99, 235, 0.24);
}

.button.secondary {
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--text);
}

.button.full {
  width: 100%;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.trust-row span {
  border: 1px solid #c7e8df;
  border-radius: 999px;
  padding: 6px 11px;
  background: rgba(236, 253, 245, 0.72);
  color: #115e59;
  font-size: 13px;
  font-weight: 750;
}

.product-demo {
  position: relative;
  min-height: 520px;
}

.browser-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--line);
  padding: 12px 16px;
  background: #f8fafc;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.red {
  background: #fb7185;
}

.dot.amber {
  background: #fbbf24;
}

.dot.green {
  background: #34d399;
}

.address {
  overflow: hidden;
  flex: 1;
  margin-left: 6px;
  border-radius: 999px;
  padding: 4px 12px;
  background: #ffffff;
  color: #64748b;
  font-size: 13px;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.chat-layout {
  display: grid;
  grid-template-columns: 170px 1fr;
  min-height: 400px;
}

.sidebar-lines {
  display: grid;
  align-content: start;
  gap: 12px;
  border-right: 1px solid var(--line);
  padding: 24px 18px;
  background: #f8fbff;
}

.sidebar-lines span {
  height: 34px;
  border-radius: 8px;
  background: linear-gradient(90deg, #dbeafe, #ccfbf1);
}

.chat-stream {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 30px 34px;
}

.load-more {
  justify-self: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 11px 18px;
  background: #ffffff;
  color: var(--text);
  font-weight: 850;
  box-shadow: 0 10px 26px rgba(15, 23, 42, 0.08);
}

.bubble {
  border-radius: 18px;
  padding: 16px 18px;
  color: #0f172a;
}

.bubble.user {
  margin-left: 38px;
  background: #eef2ff;
}

.bubble.assistant {
  margin-right: 38px;
  background: #f8fafc;
}

.composer {
  margin-top: 70px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 13px 18px;
  color: #94a3b8;
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
}

.status-panel {
  position: absolute;
  right: -10px;
  bottom: 8px;
  width: 330px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 24px 58px rgba(15, 23, 42, 0.18);
}

.status-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-radius: 10px;
  padding: 14px;
  background: linear-gradient(135deg, var(--blue), var(--teal));
  color: #ffffff;
}

.status-head span {
  font-weight: 850;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.status-grid div,
.feature-card,
.pricing-card,
.proof-list div {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.status-grid div {
  padding: 12px;
}

.status-grid strong,
.status-grid span,
.proof-list strong,
.proof-list span {
  display: block;
}

.status-grid strong {
  font-size: 24px;
  line-height: 1.1;
}

.status-grid span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 28px;
}

.section-heading h2,
.split-grid h2,
.pricing-copy h2,
.final-cta h2 {
  margin: 0;
  font-size: clamp(30px, 3.6vw, 44px);
  line-height: 1.12;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature-card {
  padding: 24px;
  box-shadow: 0 14px 36px rgba(15, 23, 42, 0.06);
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--soft-teal);
  color: var(--brand-strong);
  font-weight: 900;
}

.feature-card h3 {
  margin: 18px 0 8px;
  font-size: 20px;
}

.feature-card p,
.split-grid p,
.pricing-copy p,
.final-cta p {
  color: var(--muted);
}

.split-band {
  background: #ffffff;
}

.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: 42px;
  align-items: center;
}

.proof-list {
  display: grid;
  gap: 12px;
}

.proof-list div {
  padding: 18px;
}

.proof-list strong {
  font-size: 17px;
}

.proof-list span {
  margin-top: 4px;
  color: var(--muted);
}

.pricing-band {
  background: linear-gradient(180deg, #f8fafc, #eef7ff);
}

.pricing-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 42px;
  align-items: center;
}

.pricing-copy {
  max-width: 620px;
}

.pricing-card {
  padding: 24px;
  box-shadow: var(--shadow);
}

.price-label {
  color: var(--brand-strong);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.price-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 12px 0 18px;
}

.price-row strong {
  font-size: 48px;
  line-height: 1;
}

.price-row span {
  color: var(--muted);
  font-size: 22px;
  font-weight: 850;
  text-decoration: line-through;
}

.pricing-card ul {
  padding-left: 20px;
  color: #334155;
}

.final-band {
  background: #ffffff;
}

.final-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px;
  background: linear-gradient(135deg, #ffffff, #ecfeff);
}

.final-cta p {
  max-width: 560px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 30px;
  background: var(--panel);
}

h1 {
  margin: 0 0 8px;
  font-size: 34px;
  line-height: 1.18;
}

h2 {
  margin: 34px 0 10px;
  font-size: 21px;
  line-height: 1.3;
}

p,
ul {
  margin: 10px 0;
}

li + li {
  margin-top: 6px;
}

.lead {
  color: var(--muted);
  font-size: 18px;
}

.muted {
  color: var(--muted);
}

.links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.link-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: #ffffff;
  text-decoration: none;
}

.link-card strong,
.link-card span {
  display: block;
}

.link-card strong {
  color: var(--text);
}

.link-card span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
}

footer {
  border-top: 1px solid var(--line);
  padding: 18px 0 30px;
  color: var(--muted);
  font-size: 13px;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.footer-row span:last-child {
  display: flex;
  gap: 14px;
}

@media (max-width: 640px) {
  .nav,
  nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .links {
    grid-template-columns: 1fr;
  }

  .card {
    padding: 22px;
  }
}

@media (max-width: 980px) {
  .hero-grid,
  .split-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .product-demo {
    min-height: auto;
  }

  .status-panel {
    position: static;
    width: auto;
    margin-top: 16px;
  }

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

@media (max-width: 640px) {
  .hero-band,
  .section-band,
  .split-band {
    padding: 48px 0;
  }

  .hero-copy h1 {
    font-size: 42px;
  }

  .hero-copy .lead {
    font-size: 18px;
  }

  .hero-actions,
  .final-cta,
  .footer-row {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .chat-layout {
    grid-template-columns: 1fr;
  }

  .sidebar-lines {
    display: none;
  }

  .chat-stream {
    padding: 22px;
  }

  .bubble.user,
  .bubble.assistant {
    margin-left: 0;
    margin-right: 0;
  }

  .composer {
    margin-top: 24px;
  }

  .status-grid {
    grid-template-columns: 1fr;
  }
}