:root { color-scheme: light; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #233b30; background: #f6f5ef; }
* { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; }
.page { max-width: 1280px; margin: auto; padding: 38px 64px 26px; min-height: 100svh; display: flex; flex-direction: column; }
header, footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-size: 24px; font-weight: 650; letter-spacing: -1px; text-decoration: none; }
.mark { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; color: #fff; background: #254b3b; font-family: Georgia, serif; font-size: 30px; padding-bottom: 5px; }
.access { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 500; }
.dot { background: #587657; width: 6px; height: 6px; border-radius: 50%; }
main { display: grid; grid-template-columns: 1.25fr 1fr; gap: 80px; align-items: center; flex: 1; padding: 88px 0 96px; }
.eyebrow { font-size: 11px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; margin: 0 0 26px; }
h1 { font-family: Georgia, "Times New Roman", serif; font-size: clamp(54px, 5.9vw, 80px); font-weight: 400; line-height: 1.07; letter-spacing: -3.6px; margin: 0; }
h1 em { font-weight: 400; color: #6a774f; }
.description { max-width: 380px; font-size: 16px; line-height: 1.8; color: #596259; margin: 28px 0 32px; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 30px; padding: 17px 23px; border-radius: 6px; background: #254b3b; color: white; font-size: 14px; font-weight: 500; text-decoration: none; }
a.button:hover { background: #173a2b; }
a:focus-visible { outline: 3px solid #9b672b; outline-offset: 5px; }
.button span { font-size: 20px; }
.pending { background: #e3e8dc; color: #344736; }
.access-note { color: #64695d; font-size: 11px; margin-top: 14px; }
.conversation { border: 1px solid #dce0d4; border-radius: 16px; background: #fdfdf8; box-shadow: 0 24px 60px #2c44320b; overflow: hidden; }
.conversation-header { display: flex; align-items: center; gap: 12px; padding: 24px; border-bottom: 1px solid #e8eadf; }
.avatar { font-family: Georgia, serif; background: #e7ecde; color: #3b5842; display: grid; place-items: center; border-radius: 50%; width: 42px; height: 42px; font-size: 28px; padding-bottom: 3px; }
.conversation-header strong { font-size: 14px; font-weight: 600; display: block; }
.conversation-header div > span { display: block; font-size: 11px; color: #64705e; margin-top: 5px; }
.messages { display: flex; flex-direction: column; align-items: flex-start; gap: 20px; padding: 42px 26px 32px; }
.message { font-size: 14px; line-height: 1.65; padding: 17px 19px; margin: 0; max-width: 90%; }
.user { align-self: flex-end; background: #e5ecd9; border-radius: 12px 12px 2px 12px; }
.assistant { background: #f0f1e9; border-radius: 12px 12px 12px 2px; }
.sample { color: #73776b; font-size: 10px; margin-top: 12px; align-self: center; }
.conversation-footer { margin: 0 24px; padding: 20px 0; border-top: 1px solid #e8eadf; font-size: 11px; color: #5a6757; display: flex; align-items: center; gap: 8px; }
footer { border-top: 1px solid #dce0d4; padding-top: 23px; color: #68715f; font-size: 11px; }
@media (max-width: 900px) { .page { padding: 28px 32px; } main { gap: 36px; padding: 68px 0; } h1 { font-size: 60px; } }
@media (max-width: 650px) { .page { padding: 24px; } main { grid-template-columns: 1fr; padding: 64px 0 48px; gap: 48px; } h1 { font-size: 58px; letter-spacing: -2.5px; } .description { max-width: 100%; } .access { font-size: 10px; } .brand { font-size: 21px; } .conversation { max-width: 440px; } footer { align-items: flex-start; font-size: 10px; } }