:root{--bg:#f5f5f7;--card:#fff;--ink:#111827;--muted:#6e6e73;--line:#d9d9df;--soft:#ececf1;--accent:#0071e3;--accent2:#1d1d1f;--green:#34c759;--amber:#ffcc00;--red:#ff3b30;--shadow:0 24px 70px rgba(0,0,0,.10);--radius:28px;--safe-bottom:env(safe-area-inset-bottom,0px)}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 18% 0%,#fff 0,#f5f5f7 34%,#ececf1 100%);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Segoe UI",Inter,Arial,sans-serif;min-height:100vh}button,input,textarea{font:inherit}button{cursor:pointer}.screen{min-height:100vh}.landing{padding:32px 18px 48px;display:grid;place-items:center}.landing-inner{width:min(1160px,100%)}.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}.eyebrow{display:inline-flex;gap:8px;align-items:center;border:1px solid var(--line);background:rgba(255,255,255,.7);backdrop-filter:blur(18px);border-radius:999px;padding:8px 12px;color:var(--muted);font-weight:700}.dot{width:9px;height:9px;border-radius:50%;background:var(--green)}h1{font-size:clamp(44px,7vw,86px);line-height:.95;letter-spacing:-.03em;margin:22px 0 14px}.lead{font-size:clamp(18px,2.2vw,24px);line-height:1.48;color:var(--muted);max-width:720px}.trust{font-weight:700;color:#3f3f46}.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.btn{border:0;border-radius:999px;min-height:48px;padding:13px 20px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.18s}.btn:hover{transform:translateY(-1px)}.primary{background:var(--accent);color:#fff;box-shadow:0 16px 38px rgba(0,113,227,.26)}.secondary{background:rgba(255,255,255,.82);color:var(--ink);border:1px solid var(--line)}.dark{background:var(--accent2);color:#fff}.danger{background:#fff1f0;color:#a01912}.phone{max-width:430px;margin:auto;background:rgba(255,255,255,.78);backdrop-filter:blur(28px);border:1px solid rgba(255,255,255,.9);box-shadow:var(--shadow);border-radius:42px;padding:18px}.phone-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.logo{font-size:22px;font-weight:900}.pill{font-size:12px;font-weight:800;background:#eaf8ef;color:#16763a;border-radius:999px;padding:7px 10px}.bubble{padding:14px 15px;border-radius:24px;margin:10px 0;line-height:1.45}.user{background:#e8f2ff;margin-left:34px}.buddy{background:#f1f1f4;margin-right:24px}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip,.option{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 13px;font-weight:800}.need-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin:34px 0}.need{background:rgba(255,255,255,.78);border:1px solid rgba(255,255,255,.9);box-shadow:0 12px 32px rgba(0,0,0,.06);border-radius:24px;padding:17px;text-align:center;font-weight:850}.install{background:rgba(255,255,255,.78);border:1px solid rgba(255,255,255,.9);border-radius:30px;padding:24px;box-shadow:0 12px 32px rgba(0,0,0,.06);display:flex;justify-content:space-between;gap:18px;align-items:center}.footer{text-align:center;color:var(--muted);font-weight:700;margin-top:24px}.workspace{display:grid;grid-template-columns:286px 1fr;min-height:100vh}.sidebar{height:100vh;position:sticky;top:0;background:rgba(245,245,247,.82);backdrop-filter:blur(24px);border-right:1px solid var(--line);padding:18px}.side-logo{font-size:24px;font-weight:950;margin-bottom:18px}.side-btn{width:100%;border:0;background:transparent;text-align:left;border-radius:18px;padding:12px 14px;margin:4px 0;color:#52525b;font-weight:800}.side-btn.active,.side-btn:hover{background:#fff;color:#111827}.main{padding:22px 22px 98px;max-width:1000px;width:100%;margin:0 auto}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.hamburger{display:none}.card{background:rgba(255,255,255,.82);backdrop-filter:blur(24px);border:1px solid rgba(255,255,255,.95);box-shadow:0 16px 44px rgba(0,0,0,.08);border-radius:var(--radius);padding:20px}.card+.card{margin-top:16px}.page-title{font-size:clamp(30px,4vw,48px);letter-spacing:-.03em;margin:0 0 12px}.subtle{color:var(--muted);line-height:1.55}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.option{text-align:left;border-radius:20px}.option.selected{border-color:var(--accent);box-shadow:0 0 0 4px rgba(0,113,227,.14)}.progress-line{height:8px;background:#e5e5ea;border-radius:999px;overflow:hidden}.progress-line span{display:block;height:100%;background:linear-gradient(90deg,var(--accent),#5856d6,var(--green))}.chat-wrap{height:calc(100vh - 142px);min-height:540px;display:flex;flex-direction:column}.messages{flex:1;overflow:auto;padding-bottom:16px}.msg{max-width:78%;padding:13px 15px;border-radius:22px;margin:10px 0;line-height:1.45}.msg.user-msg{background:#e8f2ff;margin-left:auto}.msg.buddy-msg{background:#f1f1f4}.quick-row,.feedback-row{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}.feedback-row{margin-top:10px}.chat-input{display:flex;gap:10px;border-top:1px solid var(--line);padding:12px 0 calc(8px + var(--safe-bottom));background:transparent}.chat-input input{flex:1;min-height:50px;border:1px solid var(--line);border-radius:999px;padding:0 16px;background:#fff}.bottom-nav{position:fixed;left:0;right:0;bottom:0;display:none;grid-template-columns:repeat(5,1fr);z-index:50;background:rgba(245,245,247,.92);backdrop-filter:blur(24px);border-top:1px solid var(--line);padding:7px 6px calc(7px + var(--safe-bottom))}.bottom-nav button{border:0;background:transparent;border-radius:16px;padding:8px 4px;font-weight:850;color:#52525b}.bottom-nav button.active{background:#fff;color:#111827}.metric-grid,.resource-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.metric{background:#fff;border:1px solid var(--line);border-radius:24px;padding:18px}.metric-value{font-size:34px;font-weight:950}.meter{height:12px;background:#e5e5ea;border-radius:999px;overflow:hidden}.meter span{height:100%;display:block;background:linear-gradient(90deg,var(--green),var(--accent))}.slider input{width:100%;accent-color:var(--accent)}textarea{width:100%;border:1px solid var(--line);border-radius:20px;padding:14px;background:#fff;min-height:96px}.toast{position:fixed;left:50%;bottom:92px;transform:translateX(-50%);background:#1d1d1f;color:white;border-radius:999px;padding:12px 18px;font-weight:800;z-index:80;box-shadow:var(--shadow)}.switch{width:52px;height:30px;border:0;border-radius:999px;background:#d1d1d6;position:relative}.switch:before{content:"";position:absolute;left:3px;top:3px;width:24px;height:24px;border-radius:50%;background:white;transition:.18s}.switch.on{background:var(--green)}.switch.on:before{left:25px}.toggle{display:flex;justify-content:space-between;align-items:center;gap:12px}.confetti{position:fixed;inset:0;pointer-events:none;z-index:70}.confetti i{position:absolute;width:9px;height:13px;border-radius:3px;animation:fall 1.3s ease-in forwards}@keyframes fall{from{transform:translateY(-20px) rotate(0);opacity:1}to{transform:translateY(100vh) rotate(320deg);opacity:0}}
@media(max-width:860px){.hero{grid-template-columns:1fr}.need-grid{grid-template-columns:repeat(2,1fr)}.install{display:block}.workspace{display:block}.sidebar{position:fixed;inset:0 auto 0 0;width:82%;max-width:320px;z-index:60;transform:translateX(-102%);transition:.2s;box-shadow:var(--shadow)}.sidebar.open{transform:translateX(0)}.hamburger{display:inline-flex}.main{padding:18px 14px 98px}.bottom-nav{display:grid}.chat-wrap{height:calc(100vh - 132px);min-height:0}.msg{max-width:90%}.form-grid,.metric-grid,.resource-grid{grid-template-columns:1fr}.cta .btn{width:100%}h1{font-size:45px}}