:root{
  --primary:#214d70;
  --primary-strong:#183a56;
  --primary-soft:#eef5fa;
  --accent:#d7b276;
  --accent-soft:#f7efe2;
  --ink:#1f2f3f;
  --text:#5f6f7f;
  --muted:#8d98a5;
  --line:#e7e2d8;
  --paper:#ffffff;
  --canvas:#fbf8f2;
  --canvas-strong:#f4eee3;
  --success:#7aa27a;
  --danger:#b42318;
  --radius-xl:34px;
  --radius-lg:22px;
  --radius-md:16px;
  --shadow-lg:0 28px 80px rgba(33,77,112,.10);
  --shadow-md:0 16px 40px rgba(31,47,63,.08);
  --shadow-sm:0 10px 24px rgba(31,47,63,.06);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color:var(--ink);
  background:var(--canvas);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:
  radial-gradient(circle at 15% 12%, rgba(215,178,118,.12), transparent 18%),
  radial-gradient(circle at 86% 22%, rgba(33,77,112,.07), transparent 22%),
  linear-gradient(180deg, #fffdf9 0%, var(--canvas) 30%, #f9f5ed 100%);
  color:var(--ink);
}
a,button,input,textarea{font:inherit}
a{color:inherit;text-decoration:none}
button{cursor:pointer;border:none;background:none;padding:0}
textarea,input{outline:none}
.hidden{display:none !important}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.site-shell{min-height:100vh}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,253,249,.88);backdrop-filter:blur(16px);border-bottom:1px solid rgba(231,226,216,.8)}
.nav-shell{max-width:1240px;margin:0 auto;padding:18px 28px;display:flex;align-items:center;gap:28px;justify-content:space-between}
.brand{display:flex;align-items:center;gap:14px;min-width:max-content}
.brand-mark{width:44px;height:44px;border-radius:16px;background:linear-gradient(135deg, var(--accent-soft), #fff8ed);color:var(--accent);display:grid;place-items:center;box-shadow:var(--shadow-sm)}
.brand-mark svg{width:28px;height:28px}
.brand-copy strong{display:block;font-size:22px;line-height:1.05;font-weight:800;letter-spacing:-.03em;color:var(--primary-strong)}
.brand-copy small{display:block;margin-top:3px;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent)}
.main-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:center;flex:1}
.nav-link{padding:11px 16px;border-radius:999px;color:var(--ink);font-size:14px;font-weight:600;transition:.2s background,.2s color,.2s transform}
.nav-link:hover{background:rgba(33,77,112,.06);color:var(--primary);transform:translateY(-1px)}
.auth-area{display:flex;align-items:center;gap:10px;min-width:max-content}
.header-btn,.user-chip{height:46px;padding:0 18px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.82);color:var(--primary-strong);font-weight:700;display:inline-flex;align-items:center;gap:10px;box-shadow:var(--shadow-sm);transition:.2s transform,.2s border-color,.2s background}
.header-btn:hover,.user-chip:hover{transform:translateY(-1px);border-color:rgba(33,77,112,.18)}
.header-btn.primary{background:linear-gradient(135deg, var(--primary), #2c638f);color:#fff;border-color:transparent}
.header-btn.primary:hover{background:linear-gradient(135deg, var(--primary-strong), var(--primary))}
.avatar-letter{width:28px;height:28px;border-radius:999px;background:var(--primary-strong);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700}
.user-name{max-width:190px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero{position:relative;max-width:1240px;margin:0 auto;padding:72px 28px 34px;overflow:hidden}
.hero-content{position:relative;z-index:2;max-width:920px;margin:0 auto;text-align:center}
.hero-badge{display:inline-flex;align-items:center;justify-content:center;padding:11px 20px;border-radius:999px;background:rgba(255,255,255,.82);border:1px solid rgba(215,178,118,.45);box-shadow:var(--shadow-sm);color:var(--primary);font-size:13px;font-weight:700;letter-spacing:.01em}
#heroTitle{margin:24px 0 18px;font-size:clamp(46px, 7vw, 82px);line-height:.96;letter-spacing:-.05em;color:var(--primary-strong);font-weight:800;max-width:860px;margin-inline:auto}
.hero-subtitle{margin:0 auto;max-width:760px;color:var(--text);font-size:18px;line-height:1.75}
.hero-signal-row{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin:26px 0 34px}
.signal-pill{padding:10px 16px;border-radius:999px;background:rgba(255,255,255,.72);border:1px solid rgba(33,77,112,.09);color:var(--text);font-size:13px;font-weight:700}
.hero-composer{margin:0 auto;max-width:860px}
.composer-shell{display:grid;grid-template-columns:auto 1fr auto;align-items:stretch;gap:16px;padding:18px 18px 16px;background:rgba(255,255,255,.95);border:1px solid rgba(231,226,216,.95);box-shadow:var(--shadow-lg);border-radius:30px;text-align:left}
.composer-leading{width:54px;height:54px;border-radius:18px;background:linear-gradient(135deg, #f6fbff, #edf4f9);color:var(--primary);display:grid;place-items:center;align-self:flex-start;border:1px solid rgba(33,77,112,.08)}
.composer-leading svg{width:26px;height:26px}
.composer-main{min-width:0}
#heroInput,#messageInput{width:100%;border:none;background:transparent;color:var(--ink);font-size:17px;line-height:1.65;resize:none;padding:4px 0 0;min-height:60px}
#heroInput::placeholder,#messageInput::placeholder{color:#98a3af}
.composer-meta{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:12px;color:var(--muted);font-size:12px;line-height:1.5}
.send-button{width:58px;height:58px;border-radius:20px;background:linear-gradient(135deg, var(--accent), #cda462);color:#fff;display:grid;place-items:center;box-shadow:0 14px 26px rgba(215,178,118,.28);align-self:flex-end;transition:.2s transform,.2s filter}
.send-button svg{width:24px;height:24px}
.send-button:hover{transform:translateY(-1px);filter:brightness(.98)}
.send-button:disabled{opacity:.55;cursor:not-allowed;transform:none}
.quick-actions{display:grid;grid-template-columns:repeat(5, minmax(0,1fr));gap:14px;margin:26px auto 0;max-width:1000px}
.quick-actions button{background:rgba(255,255,255,.82);border:1px solid rgba(231,226,216,.95);border-radius:20px;padding:16px 18px;display:flex;flex-direction:column;gap:6px;align-items:flex-start;text-align:left;box-shadow:var(--shadow-sm);transition:.2s transform,.2s border-color,.2s box-shadow,.2s background}
.quick-actions button:hover{transform:translateY(-2px);border-color:rgba(33,77,112,.18);box-shadow:var(--shadow-md);background:#fff}
.quick-actions button span{width:32px;height:32px;border-radius:12px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);font-size:14px;font-weight:800}
.quick-actions button strong{font-size:15px;line-height:1.3;color:var(--primary-strong)}
.quick-actions button small{font-size:12px;line-height:1.45;color:var(--text)}
.catalog-note{display:flex;justify-content:center;align-items:center;gap:10px;margin:20px auto 0;color:var(--muted);font-size:13px;line-height:1.6;max-width:760px}
.status-dot{width:10px;height:10px;border-radius:999px;background:var(--success);box-shadow:0 0 0 4px rgba(122,162,122,.16)}
.hero-glow,.hero-plane{position:absolute;pointer-events:none;z-index:0}
.hero-glow{width:380px;height:380px;border-radius:999px;filter:blur(10px);opacity:.45}
.hero-glow-left{left:-120px;bottom:20px;background:radial-gradient(circle, rgba(215,178,118,.24), transparent 62%)}
.hero-glow-right{right:-120px;top:60px;background:radial-gradient(circle, rgba(33,77,112,.14), transparent 62%)}
.hero-plane{font-size:44px;color:rgba(215,178,118,.18)}
.hero-plane-left{left:14px;top:220px;transform:rotate(-8deg)}
.hero-plane-right{right:62px;top:240px;font-size:36px;color:rgba(215,178,118,.32)}
.trust-strip{max-width:1240px;margin:18px auto 40px;padding:0 28px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.trust-item{background:rgba(255,255,255,.86);border:1px solid rgba(231,226,216,.92);border-radius:22px;padding:22px;display:flex;gap:16px;align-items:flex-start;box-shadow:var(--shadow-sm)}
.trust-icon{width:42px;height:42px;border-radius:14px;background:var(--accent-soft);display:grid;place-items:center;color:var(--accent);font-weight:800;flex:0 0 auto}
.trust-item strong{display:block;font-size:16px;color:var(--primary-strong);margin-bottom:6px}
.trust-item small{display:block;font-size:13px;line-height:1.6;color:var(--text)}
.workspace{max-width:1100px;margin:12px auto 160px;padding:0 28px}
.workspace-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:18px}
.workspace-eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.18em;color:var(--accent);font-weight:800;margin-bottom:8px}
.workspace-head h2{margin:0;font-size:32px;line-height:1.1;color:var(--primary-strong)}
.workspace-actions{display:flex;gap:10px;flex-wrap:wrap}
.icon-text-btn{height:44px;padding:0 16px;border-radius:999px;background:rgba(255,255,255,.86);border:1px solid var(--line);color:var(--ink);font-weight:700}
.primary-soft{background:var(--primary-soft);color:var(--primary);border-color:rgba(33,77,112,.12)}
.messages{display:flex;flex-direction:column;gap:16px}
.message{display:flex}
.message.user{justify-content:flex-end}
.message.assistant{justify-content:flex-start}
.bubble{max-width:min(760px,100%);padding:18px 20px;border-radius:22px;line-height:1.75;font-size:15px;box-shadow:var(--shadow-sm);white-space:pre-wrap}
.message.user .bubble{background:linear-gradient(135deg, var(--primary), #32678e);color:#fff;border-bottom-right-radius:8px}
.message.assistant .bubble{background:#fff;border:1px solid rgba(231,226,216,.92);color:var(--ink);border-bottom-left-radius:8px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;width:min(980px,100%)}
.product-card{background:#fff;border:1px solid rgba(231,226,216,.92);border-radius:22px;padding:18px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:10px}
.product-card .type{display:inline-flex;align-self:flex-start;padding:7px 10px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}
.product-card h3{margin:0;font-size:18px;line-height:1.35;color:var(--primary-strong)}
.product-card .price{font-size:22px;font-weight:800;color:var(--accent)}
.product-card .meta{display:flex;flex-direction:column;gap:5px;color:var(--text);font-size:13px;line-height:1.55}
.product-card .reason{min-height:42px;color:var(--muted);font-size:13px;line-height:1.6}
.primary,.product-card button,.auth-submit,.drawer-primary{height:48px;padding:0 18px;border-radius:16px;background:linear-gradient(135deg, var(--primary), #2f628a);color:#fff;font-weight:800;box-shadow:var(--shadow-sm)}
.product-card button{width:100%;margin-top:auto}
.sticky-composer-wrap{position:fixed;left:0;right:0;bottom:0;z-index:18;padding:18px 28px 22px;background:linear-gradient(180deg, rgba(251,248,242,0), rgba(251,248,242,.96) 30%, rgba(251,248,242,.98) 100%)}
.sticky-composer{max-width:1080px;margin:0 auto;background:rgba(255,255,255,.94);border:1px solid rgba(231,226,216,.95);border-radius:26px;box-shadow:var(--shadow-lg);padding:14px 16px;display:grid;grid-template-columns:1fr auto;gap:14px;align-items:end}
#messageInput{min-height:28px;max-height:160px}
.send-button.compact{width:52px;height:52px;border-radius:18px}
.fineprint{max-width:1080px;margin:10px auto 0;color:var(--muted);font-size:12px;text-align:center}
.drawer-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.28);backdrop-filter:blur(2px);z-index:29}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(390px,100%);background:#fff;border-left:1px solid rgba(231,226,216,.95);box-shadow:-24px 0 60px rgba(31,47,63,.12);padding:24px 22px 20px;transform:translateX(110%);transition:.25s transform ease;z-index:30;display:flex;flex-direction:column;gap:18px}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.round-icon{width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:24px;color:var(--ink)}
.conversation-list{display:flex;flex-direction:column;gap:10px;overflow:auto;min-height:0}
.conversation-item{width:100%;padding:13px 14px;border-radius:16px;border:1px solid rgba(231,226,216,.92);background:#fff;color:var(--ink);text-align:left;font-weight:600}
.conversation-item.active{background:var(--primary-soft);color:var(--primary);border-color:rgba(33,77,112,.15)}
.drawer-bottom{margin-top:auto;display:flex;flex-direction:column;gap:10px}
.drawer-action{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-radius:16px;border:1px solid rgba(231,226,216,.92);background:#fff;color:var(--ink);font-weight:700}
.empty{padding:20px;border-radius:16px;background:var(--canvas);color:var(--text);text-align:center}
.auth-dialog::backdrop,.booking-dialog::backdrop{background:rgba(15,23,42,.38);backdrop-filter:blur(3px)}
.modal-card{width:min(94vw,540px);background:#fff;border:none;border-radius:28px;padding:28px;box-shadow:var(--shadow-lg);position:relative}
.modal-card.wide{width:min(94vw,780px)}
.close{position:absolute;top:16px;right:16px;width:40px;height:40px;border-radius:999px;background:var(--canvas);font-size:24px;color:var(--ink)}
.modal-brand{display:inline-flex;align-items:center;gap:10px;padding:8px 12px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-weight:800;font-size:13px}
.mini-mark{font-size:14px}
.auth-card h2,.booking-dialog h2{margin:14px 0 8px;font-size:32px;line-height:1.1;color:var(--primary-strong)}
.auth-card p,.auth-legal{color:var(--text);line-height:1.7}
.auth-tabs{display:flex;gap:10px;margin:20px 0 18px}
.auth-tabs button{flex:1;height:46px;border-radius:14px;background:var(--canvas);color:var(--text);font-weight:700}
.auth-tabs button.active{background:var(--primary-soft);color:var(--primary)}
.oauth-area{display:grid;gap:10px}
.oauth{height:48px;border-radius:14px;border:1px solid var(--line);display:grid;place-items:center;font-weight:700;background:#fff}
.divider{position:relative;text-align:center;margin:16px 0 14px;color:var(--muted);font-size:12px}
.divider::before{content:"";position:absolute;left:0;right:0;top:50%;height:1px;background:var(--line)}
.divider span{position:relative;background:#fff;padding:0 10px}
.auth-card label{display:block;margin:14px 0 0;font-size:14px;font-weight:700;color:var(--ink)}
.auth-card input{margin-top:8px;width:100%;height:50px;border-radius:14px;border:1px solid var(--line);padding:0 14px;background:#fff;color:var(--ink)}
.error{min-height:22px;color:var(--danger);font-size:14px;margin-top:12px}
.booking-item{padding:16px 0;border-bottom:1px solid var(--line);display:grid;gap:6px}
.booking-ref{font-weight:800;color:var(--primary-strong)}
.status{display:inline-flex;align-self:start;padding:6px 10px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:800;letter-spacing:.04em}
.chat-mode .site-header{position:sticky}
@media(max-width:1120px){
  .quick-actions{grid-template-columns:repeat(3,minmax(0,1fr))}
  .trust-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:860px){
  .nav-shell{padding:16px 18px;gap:16px;flex-wrap:wrap}
  .main-nav{order:3;width:100%;justify-content:flex-start;overflow:auto;flex-wrap:nowrap;padding-bottom:2px}
  .hero{padding:54px 18px 28px}
  #heroTitle{font-size:clamp(40px, 11vw, 64px)}
  .hero-subtitle{font-size:16px}
  .composer-shell{grid-template-columns:1fr;gap:12px;padding:16px}
  .composer-leading{width:48px;height:48px}
  .send-button{justify-self:flex-end}
  .quick-actions{grid-template-columns:repeat(2,minmax(0,1fr))}
  .trust-strip{padding:0 18px}
  .workspace{padding:0 18px}
  .sticky-composer-wrap{padding:14px 18px 18px}
}
@media(max-width:560px){
  .brand-copy strong{font-size:20px}
  .header-btn,.user-chip{height:42px;padding:0 14px}
  .hero-badge{font-size:12px;padding:10px 14px}
  #heroTitle{font-size:clamp(36px, 12vw, 52px)}
  .hero-signal-row{gap:8px;margin:22px 0 28px}
  .signal-pill{font-size:12px;padding:8px 12px}
  .quick-actions{grid-template-columns:1fr}
  .quick-actions button{padding:14px 16px}
  .catalog-note{font-size:12px}
  .trust-strip{grid-template-columns:1fr;gap:12px;margin-bottom:28px}
  .trust-item{padding:18px}
  .workspace-head{flex-direction:column;align-items:flex-start}
  .workspace-head h2{font-size:26px}
  .sticky-composer{padding:12px 12px 12px 14px;gap:10px}
  #messageInput{font-size:15px}
  .modal-card{padding:24px 20px}
}