:root { --ink: #233b37; --muted: #6a7d79; --cream: #f4f6f2; --paper: #fffdf9; --green: #276b5e; --green-dark: #1d5148; --blue: #6d9aa0; --line: #d7e1dc; --soft-green: #e8f0eb; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: var(--cream); color: var(--ink); font-family: Arial, sans-serif; }
.site-header { min-height: 104px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 28px; padding: 12px clamp(22px, 6vw, 90px); border-bottom: 1px solid var(--line); background: var(--paper); }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); font-size: 20px; font-weight: 700; text-decoration: none; }.brand img { width: 78px; height: 78px; object-fit: contain; border-radius: 16px; }.brand span { display: none; }
.site-nav { display: flex; gap: 26px; }.site-nav a, .sign-in { color: var(--muted); font-size: 14px; text-decoration: none; }.site-nav a:hover, .site-nav .active, .sign-in:hover { color: var(--green); }.sign-in { justify-self: end; color: var(--green); font-weight: 700; }
.chat-shell { max-width: 1080px; margin: 0 auto; padding: clamp(58px, 9vw, 100px) 22px 84px; display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(38px, 8vw, 100px); align-items: center; }.intro { max-width: 390px; }.eyebrow { margin: 0; color: var(--blue); font-size: 12px; letter-spacing: 2px; text-transform: uppercase; font-weight: 700; }.intro h1 { margin: 20px 0 18px; font-size: clamp(42px, 5vw, 68px); line-height: 1.02; letter-spacing: -1px; font-weight: 600; }.intro > p:last-child { color: var(--muted); font-size: 18px; line-height: 1.6; }
.chat-card { overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: var(--paper); box-shadow: 16px 18px 0 #dce8e0; }.chat-heading { display: flex; align-items: center; gap: 12px; padding: 22px 24px; border-bottom: 1px solid var(--line); }.chat-heading h2 { margin: 0 0 5px; font-size: 17px; }.chat-heading p { margin: 0; color: var(--muted); font-size: 12px; }.assistant-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: var(--green); }.assistant-mark span { width: 13px; height: 13px; border: 3px solid #d7e9df; border-radius: 50%; }.online-dot { display: inline-block; width: 7px; height: 7px; margin-right: 4px; border-radius: 50%; background: #71a78d; }.secure-label { margin-left: auto; color: var(--blue); font-size: 11px; }
.messages { min-height: 360px; max-height: 430px; overflow-y: auto; padding: 26px 24px; background: #fbfcf9; }.message { display: flex; gap: 10px; margin-bottom: 20px; }.message > div { max-width: 82%; }.message p { margin: 0; padding: 13px 15px; border-radius: 4px 14px 14px 14px; color: var(--ink); font-size: 14px; line-height: 1.5; background: var(--soft-green); }.message.user { justify-content: flex-end; }.message.user > div { order: 1; }.message.user p { border-radius: 14px 4px 14px 14px; color: #fff; background: var(--green); }.message time { display: block; margin: 6px 4px 0; color: #93a29e; font-size: 10px; }.avatar { flex: 0 0 26px; display: grid; place-items: center; width: 26px; height: 26px; border-radius: 8px; color: #fff; background: var(--green-dark); font-size: 12px; font-weight: 700; }.suggestions { display: flex; flex-wrap: wrap; gap: 8px; margin: -5px 0 0 36px; }.suggestions button { border: 1px solid #b8d0c6; border-radius: 20px; padding: 9px 12px; color: var(--green-dark); background: var(--paper); font-size: 12px; cursor: pointer; }.suggestions button:hover { background: var(--soft-green); }
.composer { display: flex; gap: 10px; padding: 16px 18px 8px; border-top: 1px solid var(--line); }.composer input { min-width: 0; flex: 1; border: 1px solid var(--line); border-radius: 8px; padding: 13px 14px; outline: none; color: var(--ink); font: inherit; background: #fff; }.composer input:focus { border-color: var(--blue); }.composer button { border: 0; border-radius: 8px; padding: 0 16px; color: #fff; background: var(--green); font-weight: 700; cursor: pointer; }.composer button:hover { background: var(--green-dark); }.composer button span { margin-left: 5px; font-size: 17px; }.disclaimer { margin: 0; padding: 0 18px 16px; color: #93a29e; font-size: 11px; text-align: center; }.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); }
footer { padding: 28px; color: var(--muted); font-size: 13px; text-align: center; } footer a { color: var(--muted); }
@media (max-width: 760px) { .site-header { min-height: 90px; grid-template-columns: 1fr auto; }.brand img { width: 64px; height: 64px; }.site-nav { grid-column: 1 / -1; grid-row: 2; justify-content: center; gap: 15px; flex-wrap: wrap; }.chat-shell { grid-template-columns: 1fr; padding-top: 58px; }.intro { max-width: 600px; }.chat-card { box-shadow: 9px 10px 0 #dce8e0; }.secure-label { display: none; } }
