:root {
  color-scheme: light;
  --page: #f7f2e8;
  --surface: #fffaf0;
  --surface-strong: #fffdf7;
  --ink: #17211e;
  --muted: #52635d;
  --line: #ded6c8;
  --green: #1d4f42;
  --green-deep: #12372e;
  --blue: #315f9f;
  --amber: #b66d2f;
  --shadow: 0 24px 70px rgba(23, 33, 30, 0.14);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--page);
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255, 250, 240, 0.92), rgba(247, 242, 232, 0.98)),
    var(--page);
  line-height: 1.55;
}

a {
  color: var(--green);
  text-decoration-color: rgba(29, 79, 66, 0.35);
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-color: var(--green);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(222, 214, 200, 0.72);
  background: rgba(247, 242, 232, 0.88);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 760;
  text-decoration: none;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  box-shadow: 0 10px 24px rgba(18, 55, 46, 0.18);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.95rem;
}

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

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--ink);
}

.hero,
.page,
.footer-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(330px, 0.78fr);
  gap: 56px;
  align-items: center;
  min-height: calc(100vh - 68px);
  padding: 72px 0 58px;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(3rem, 7vw, 6.4rem);
  line-height: 0.92;
  letter-spacing: 0;
}

.lede {
  max-width: 690px;
  color: var(--muted);
  font-size: 1.25rem;
  line-height: 1.7;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
  color: var(--ink);
  font-weight: 720;
  text-decoration: none;
}

.button.primary {
  border-color: var(--green);
  background: var(--green);
  color: #fffaf0;
}

.product-visual {
  position: relative;
  display: grid;
  gap: 18px;
  align-self: stretch;
  align-content: center;
}

.icon-tile {
  width: 112px;
  height: 112px;
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.chat-window {
  overflow: hidden;
  border: 1px solid rgba(222, 214, 200, 0.88);
  border-radius: 8px;
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}

.chat-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.86rem;
}

.model-pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border: 1px solid rgba(49, 95, 159, 0.24);
  border-radius: 999px;
  background: rgba(49, 95, 159, 0.08);
  color: var(--blue);
  font-weight: 700;
}

.chat-body {
  display: grid;
  gap: 14px;
  padding: 18px;
}

.bubble {
  width: fit-content;
  max-width: 86%;
  padding: 13px 15px;
  border-radius: 8px;
  background: #efe7d8;
  color: var(--ink);
}

.bubble.user {
  justify-self: end;
  background: var(--green);
  color: #fffaf0;
}

.composer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 2px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
}

.send-dot {
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  border-radius: 50%;
  background: var(--green);
}

.section {
  padding: 44px 0;
  border-top: 1px solid rgba(222, 214, 200, 0.72);
}

.section h2 {
  max-width: 760px;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.02;
  letter-spacing: 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 26px;
}

.card {
  min-height: 180px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 253, 247, 0.72);
}

.card h3 {
  margin-bottom: 10px;
  font-size: 1.12rem;
}

.card p,
.page p,
.page li {
  color: var(--muted);
}

.page {
  max-width: 860px;
  padding: 64px 0 80px;
}

.page h1 {
  font-size: clamp(2.4rem, 5vw, 4.6rem);
}

.page h2 {
  margin-top: 38px;
  font-size: 1.6rem;
}

.page ul {
  padding-left: 1.2rem;
}

.notice {
  padding: 18px 20px;
  border: 1px solid rgba(182, 109, 47, 0.35);
  border-radius: 8px;
  background: rgba(182, 109, 47, 0.08);
}

.contact-list {
  display: grid;
  gap: 12px;
  padding: 0;
  list-style: none;
}

.contact-list li {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
}

.site-footer {
  border-top: 1px solid rgba(222, 214, 200, 0.72);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-links {
  display: flex;
  gap: 16px;
}

@media (max-width: 860px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 54px;
  }

  .product-visual {
    max-width: 520px;
  }

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

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

@media (max-width: 520px) {
  .hero,
  .page,
  .footer-inner,
  .nav {
    width: min(100% - 28px, 1120px);
  }

  .nav-links {
    flex-wrap: wrap;
    gap: 12px;
  }

  .hero {
    gap: 34px;
  }

  h1 {
    font-size: 3.1rem;
  }

  .lede {
    font-size: 1.08rem;
  }

  .actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .icon-tile {
    width: 88px;
    height: 88px;
    border-radius: 20px;
  }

  .chat-body {
    padding: 14px;
  }

  .footer-links {
    flex-wrap: wrap;
  }
}