:root{--violet:#4b288c;--deep:#2d175c;--lilac:#eee8ff;--ink:#201b31;--muted:#76708b;--line:#e9e5f0;--white:#fff}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:'DM Sans',Arial,sans-serif;color:var(--ink);background:#f6f4fb}.app-shell{min-height:100vh;display:grid;grid-template-columns:minmax(380px,44%) 1fr;max-width:1440px;margin:auto;background:#fff;box-shadow:0 0 55px #32206510}.intro-panel{min-height:100vh;position:relative;overflow:hidden;padding:42px 11% 34px;color:#fff;background:linear-gradient(145deg,#35166e 0%,#6334ae 54%,#d06bb2 125%);display:flex;flex-direction:column}.intro-panel:after{content:'';position:absolute;right:-160px;bottom:-180px;width:480px;height:480px;border:72px solid #ffffff12;border-radius:50%}.orb{position:absolute;border-radius:50%;filter:blur(1px);opacity:.24}.orb-one{width:310px;height:310px;right:-105px;top:80px;background:#ffb8d8}.orb-two{width:180px;height:180px;left:-80px;bottom:150px;background:#7be5df}.brand{z-index:1;display:flex;align-items:center;gap:10px;color:white;text-decoration:none;font-weight:700;font-size:20px}.brand-mark{display:grid;place-items:center;width:36px;height:36px;border:1px solid #ffffff7a;border-radius:12px;font-family:'Playfair Display';font-size:24px;background:#ffffff1a}.intro-copy{position:relative;z-index:1;margin:auto 0}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:700;opacity:.75}.intro-copy h1{font:800 clamp(39px,5vw,66px)/1.04 'Playfair Display',serif;margin:18px 0;max-width:570px}.lead{font-size:17px;line-height:1.65;max-width:520px;color:#f5efff}.chips{display:flex;gap:9px;flex-wrap:wrap;margin-top:28px}.chips span{border:1px solid #ffffff51;border-radius:99px;padding:7px 13px;font-size:13px;background:#ffffff13}.course-card{position:relative;z-index:1;display:flex;gap:13px;align-items:center;padding:16px;margin-top:25px;max-width:440px;border:1px solid #ffffff2e;border-radius:16px;background:#ffffff12;backdrop-filter:blur(8px)}.course-card small{opacity:.7;display:block;font-size:11px;text-transform:uppercase;letter-spacing:1px;margin-bottom:4px}.course-card strong{font-size:14px}.course-icon{display:grid;place-items:center;width:42px;height:42px;flex:none;border-radius:13px;background:#f3cae8;color:#6b328f;font-size:21px}.credit{position:relative;z-index:1;margin:20px 0 0;font-size:12px;opacity:.73}.chat-panel{min-height:100vh;display:flex;flex-direction:column;padding:32px clamp(23px,5vw,72px) 20px;background:#fff}.chat-header{display:flex;align-items:center;padding-bottom:24px;border-bottom:1px solid var(--line)}.avatar,.message-avatar{display:grid;place-items:center;color:white;background:linear-gradient(135deg,#6d3aba,#e884b6);font-family:'Playfair Display';font-weight:bold}.avatar{width:48px;height:48px;border-radius:16px;font-size:25px;position:relative}.avatar span{position:absolute;right:-1px;bottom:1px;width:11px;height:11px;background:#57c88a;border:2px solid white;border-radius:50%}.chat-header h2{font-size:17px;margin:0 0 3px 12px}.chat-header p{font-size:12px;color:var(--muted);margin:0 0 0 12px}.chat-header i{display:inline-block;width:6px;height:6px;border-radius:50%;background:#55c788;margin:0 4px 1px 0}.info-button{margin-left:auto;width:34px;height:34px;border:1px solid #ddd6e8;border-radius:50%;color:#76579e;background:white;font:700 16px Georgia;cursor:pointer}.messages{display:flex;flex:1;min-height:0;overflow-y:auto;flex-direction:column;gap:18px;padding:34px 2px 12px;scroll-behavior:smooth}.message{display:flex;gap:10px;max-width:88%;animation:arrive .25s ease}.message-avatar{width:31px;height:31px;flex:none;border-radius:10px;font-size:16px}.bubble{padding:13px 15px;border-radius:5px 17px 17px 17px;background:#f3effa;color:#443d54;font-size:14px;line-height:1.55;box-shadow:0 2px 6px #26104b08}.bubble time{display:block;margin-top:5px;font-size:10px;color:#9c94aa}.user-message{align-self:flex-end}.user-message .bubble{color:white;background:linear-gradient(120deg,#6331a7,#9355bc);border-radius:17px 5px 17px 17px}.user-message time{color:#e8d9f4;text-align:right}.quick-questions{display:flex;flex-wrap:wrap;gap:8px;padding:12px 0 17px}.quick-questions button{padding:8px 11px;border:1px solid #ded4ed;border-radius:99px;color:#634393;background:#fff;font:500 12px 'DM Sans';cursor:pointer;transition:.2s}.quick-questions button:hover{background:#f1eafa}.composer{display:flex;align-items:flex-end;gap:9px;padding:9px 10px 9px 16px;border:1px solid #e0dbe7;border-radius:18px;box-shadow:0 5px 20px #371b6010}.composer textarea{resize:none;flex:1;max-height:110px;padding:8px 0;border:0;outline:0;font:14px/1.4 'DM Sans';color:var(--ink)}.composer textarea::placeholder{color:#aaa3b4}.mic-button,.send-button{border:0;cursor:pointer;transition:.2s}.mic-button{width:34px;height:34px;border-radius:50%;color:#7b629c;background:#f2eef7;font-size:23px;line-height:1}.mic-button.listening{color:white;background:#e86f9e;animation:pulse 1s infinite}.send-button{display:grid;place-items:center;width:38px;height:38px;border-radius:13px;color:white;background:#6632aa;font-size:21px;transform:rotate(-35deg)}.send-button:hover{background:#4d2587}.disclaimer{text-align:center;color:#aaa5b1;font-size:10px;margin:12px 0 0}.typing{display:flex;gap:4px;padding:4px}.typing b{width:6px;height:6px;background:#9d89be;border-radius:50%;animation:blink 1s infinite}.typing b:nth-child(2){animation-delay:.15s}.typing b:nth-child(3){animation-delay:.3s}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}dialog{max-width:360px;width:calc(100% - 32px);border:0;border-radius:22px;padding:34px 28px;background:white;color:var(--ink);box-shadow:0 20px 70px #210c3f50;text-align:center}dialog::backdrop{background:#22103b99}.dialog-close{position:absolute;right:15px;top:10px;border:0;background:none;font-size:26px;color:#7c6e8b;cursor:pointer}.dialog-icon{display:grid;place-items:center;margin:auto;width:48px;height:48px;border-radius:15px;background:#f0e7fb;color:#6a379d;font-size:22px}dialog h2{margin:13px 0 20px;font:700 25px 'Playfair Display'}dialog p{font-size:14px;line-height:1.65;color:#635b70}dialog hr{border:0;border-top:1px solid #eee8f2;margin:19px 0}@keyframes arrive{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}@keyframes blink{50%{opacity:.2}}@keyframes pulse{50%{transform:scale(1.08)}}@media(max-width:800px){.app-shell{display:block}.intro-panel{min-height:400px;padding:28px 8%}.intro-copy{margin:55px 0 0}.intro-copy h1{font-size:38px}.lead{font-size:15px}.course-card{margin-top:27px}.credit{margin-top:15px}.chat-panel{min-height:600px;padding:23px 6% 16px}.messages{min-height:300px;padding-top:24px}}@media(max-width:390px){.intro-panel{min-height:430px}.intro-copy h1{font-size:34px}.chips{margin-top:17px}.course-card{margin-top:18px}.quick-questions button{font-size:11px}.chat-panel{padding-left:16px;padding-right:16px}}