*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#06080e;
  --bg-2:#0c1119;
  --panel:#111726;
  --panel-2:#18213a;
  --line:rgba(130,150,200,0.12);
  --line-2:rgba(160,180,220,0.22);
  --ink:#f3f6fc;
  --ink-2:#a6b0c9;
  --ink-3:#5e687f;
  --accent:#d4af6a;        /* gold, luxo */
  --accent-2:#e9c98a;
  --accent-glow:rgba(212,175,106,0.35);
  --sage:#7fd4a5;
  --cyan:#6fb3ff;
  --rose:#e68aab;
}
html,body{background:var(--bg);color:var(--ink);font-family:'Inter',system-ui,sans-serif;-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums;scroll-behavior:smooth;overflow-x:hidden;max-width:100vw}
body{word-break:break-word}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font-family:inherit;color:inherit;background:transparent;border:none;outline:none}
button{cursor:pointer}
img,svg,video{max-width:100%;height:auto;display:block}

/* ────────── LANDING ────────── */
#nav{position:fixed;top:0;left:0;right:0;z-index:30;padding:18px 36px;display:flex;justify-content:space-between;align-items:center;background:linear-gradient(to bottom,rgba(6,8,14,0.92),transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
#nav .brand{display:inline-flex;align-items:center;gap:10px;font-family:'Fraunces',serif;font-size:22px;font-weight:500;letter-spacing:-.01em}
#nav .brand .mark{color:var(--accent);font-size:20px;text-shadow:0 0 16px var(--accent-glow)}
#nav nav{display:flex;align-items:center;gap:26px;font-size:13px}
#nav nav a{color:var(--ink-2);letter-spacing:.03em}
#nav nav a:hover{color:var(--ink)}
#nav nav a.cta{color:var(--ink);background:var(--accent);padding:8px 16px;border-radius:999px;color:#1a1208;font-weight:600;letter-spacing:.02em}
#nav nav a.cta:hover{background:var(--accent-2);color:#1a1208}

/* Hero */
#hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:120px 36px 80px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:url('/assets/hero.jpg') center/cover no-repeat;opacity:0.65;filter:brightness(0.6) saturate(1.1)}
.hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(to bottom,rgba(6,8,14,0.3) 0%,rgba(6,8,14,0.4) 50%,var(--bg) 100%)}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(130,150,200,0.05) 1px,transparent 1px),linear-gradient(90deg,rgba(130,150,200,0.05) 1px,transparent 1px);background-size:60px 60px;pointer-events:none;opacity:0.6}
.hero-content{position:relative;max-width:720px;z-index:2}
.eyebrow{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.3em;color:var(--accent);font-weight:600;margin-bottom:22px}
#hero h1{font-family:'Fraunces',serif;font-weight:400;font-size:clamp(44px,8vw,86px);line-height:1.02;letter-spacing:-.03em;margin-bottom:22px;color:var(--ink)}
#hero h1 em{font-style:italic;color:var(--accent);font-weight:500}
#hero .lead{font-size:18px;color:var(--ink-2);line-height:1.5;max-width:580px;margin-bottom:38px;font-weight:300}
.hero-cta{display:flex;align-items:center;gap:30px;flex-wrap:wrap}
.btn-primary{display:inline-flex;align-items:center;gap:12px;padding:16px 28px;background:var(--accent);color:#1a1208;border-radius:999px;font-weight:600;font-size:15px;letter-spacing:-.005em;box-shadow:0 20px 50px -15px var(--accent-glow);transition:all .2s}
.btn-primary:hover{background:var(--accent-2);transform:translateY(-2px);box-shadow:0 25px 60px -15px var(--accent-glow)}
.btn-primary span{font-size:18px}
.hero-meta{display:flex;gap:10px;align-items:center;color:var(--ink-3);font-size:12.5px;font-family:'JetBrains Mono',monospace}
.hero-meta .sep{opacity:0.5}

/* Sections */
section:not(#hero){padding:100px 36px;border-top:1px solid var(--line);position:relative}
.sec-inner{max-width:1100px;margin:0 auto}
.sec-eyebrow{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.3em;color:var(--accent);font-weight:600;margin-bottom:18px}
section h2{font-family:'Fraunces',serif;font-weight:400;font-size:clamp(34px,5vw,56px);line-height:1.08;letter-spacing:-.02em;margin-bottom:60px;max-width:720px;color:var(--ink)}
section h2 em{font-style:italic;color:var(--accent);font-weight:500}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.step{position:relative;padding:34px 30px;background:linear-gradient(145deg,var(--panel) 0%,rgba(17,23,38,0.4) 100%);border:1px solid var(--line);border-radius:18px;transition:all .25s}
.step:hover{border-color:var(--line-2);transform:translateY(-3px)}
.step .n{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.2em;color:var(--accent);font-weight:600;margin-bottom:18px}
.step h3{font-family:'Fraunces',serif;font-weight:500;font-size:22px;margin-bottom:12px;letter-spacing:-.01em}
.step p{font-size:14.5px;color:var(--ink-2);line-height:1.55;font-weight:300}

/* Why grid */
.why-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.why{padding:30px 28px;background:linear-gradient(145deg,var(--panel) 0%,rgba(17,23,38,0.3) 100%);border:1px solid var(--line);border-radius:18px;display:flex;gap:22px}
.why .icon{width:48px;height:48px;border-radius:14px;background:var(--panel-2);border:1px solid var(--line-2);display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--accent);flex-shrink:0}
.why h4{font-family:'Fraunces',serif;font-weight:500;font-size:19px;margin-bottom:8px;letter-spacing:-.005em}
.why p{font-size:14px;color:var(--ink-2);line-height:1.55;font-weight:300}

/* Footer */
#foot{padding:50px 36px;border-top:1px solid var(--line);background:var(--bg-2)}
.foot-inner{max-width:1100px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px}
.foot-brand{display:inline-flex;align-items:center;gap:10px;font-family:'Fraunces',serif;font-size:20px;font-weight:500}
.foot-brand .mark{color:var(--accent);text-shadow:0 0 12px var(--accent-glow)}
.foot-meta{font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.2em;color:var(--ink-3);text-transform:uppercase}
.foot-cta{padding:10px 20px;background:transparent;border:1px solid var(--line-2);border-radius:999px;font-size:13px;font-weight:500;color:var(--ink)}
.foot-cta:hover{border-color:var(--accent);color:var(--accent)}

@media (max-width:820px){
  #nav{padding:14px 20px}
  #nav nav{gap:12px}
  #nav nav a:not(.cta){display:none}
  #hero{padding:100px 22px 60px}
  section:not(#hero){padding:70px 22px}
  .steps{grid-template-columns:1fr;gap:16px}
  .why-grid{grid-template-columns:1fr;gap:16px}
  .hero-cta{gap:18px}
  .hero-meta{display:none}
  .foot-inner{flex-direction:column;text-align:center;gap:14px}
}

/* ────────── APP (chat + trip) ────────── */
body.app{overflow:hidden;background:var(--bg)}
#app{position:fixed;inset:0;display:flex;flex-direction:column;max-width:720px;margin:0 auto;background:var(--bg)}

/* App navbar */
#app-nav{padding:14px 20px calc(14px + env(safe-area-inset-top));display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);background:rgba(6,8,14,0.85);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);z-index:10}
#app-nav .brand{display:inline-flex;align-items:center;gap:8px;font-family:'Fraunces',serif;font-size:18px;font-weight:500}
#app-nav .brand .mark{color:var(--accent);text-shadow:0 0 10px var(--accent-glow);font-size:16px}
#app-nav .nav-right{display:flex;gap:10px;align-items:center}
#app-nav button{width:36px;height:36px;border-radius:50%;background:var(--panel);border:1px solid var(--line);color:var(--ink-2);font-size:15px;display:flex;align-items:center;justify-content:center;transition:all .15s}
#app-nav button:hover{color:var(--ink);border-color:var(--line-2)}

/* Chat area */
#chat{flex:1;overflow-y:auto;padding:20px;scrollbar-width:thin;scrollbar-color:var(--line) transparent;display:flex;flex-direction:column;gap:14px}
#chat::-webkit-scrollbar{width:4px}
#chat::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}

.msg{max-width:88%;padding:14px 16px;border-radius:16px;font-size:14.5px;line-height:1.5;word-wrap:break-word;animation:fade-in .3s ease-out}
.msg.ai{background:var(--panel);border:1px solid var(--line);border-top-left-radius:4px;align-self:flex-start;color:var(--ink)}
.msg.user{background:linear-gradient(135deg,var(--accent),#b8945a);color:#1a1208;border-top-right-radius:4px;align-self:flex-end;font-weight:500}
.msg strong{font-weight:600;color:var(--accent-2)}
.msg.user strong{color:#0a0803}
.msg em{font-style:italic}
@keyframes fade-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

/* Typing indicator */
.msg.typing{display:flex;align-items:center;gap:4px;padding:16px 18px}
.msg.typing .dot{width:6px;height:6px;border-radius:50%;background:var(--ink-3);animation:typing 1.4s infinite ease-in-out}
.msg.typing .dot:nth-child(2){animation-delay:.2s}
.msg.typing .dot:nth-child(3){animation-delay:.4s}
@keyframes typing{0%,60%,100%{opacity:0.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}

/* Quick reply chips */
.quick-chips{display:flex;flex-wrap:wrap;gap:8px;padding:0 2px 6px;animation:fade-in .3s}
.quick-chips .chip{padding:9px 16px;background:var(--panel);border:1px solid var(--line-2);border-radius:999px;font-size:13px;color:var(--ink);transition:all .15s;cursor:pointer}
.quick-chips .chip:hover{background:var(--panel-2);border-color:var(--accent);color:var(--accent)}

/* Trip card (destination result) */
.trip-card{background:var(--panel);border:1px solid var(--line);border-radius:22px;overflow:hidden;animation:fade-in .5s;margin:4px 0}
.trip-card .cover{position:relative;height:180px;background:linear-gradient(180deg,transparent,rgba(6,8,14,0.9));background-size:cover;background-position:center}
.trip-card .cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.trip-card .cover::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(6,8,14,0.95) 100%);z-index:1}
.trip-card .cover .cover-info{position:absolute;bottom:14px;left:18px;right:18px;z-index:2;color:#fff}
.trip-card .cover .cover-info .loc{font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;opacity:0.85;margin-bottom:4px}
.trip-card .cover .cover-info h3{font-family:'Fraunces',serif;font-weight:500;font-size:24px;line-height:1.1;letter-spacing:-.02em}
.trip-card .body{padding:18px 20px}
.trip-card .summary{font-size:13.5px;color:var(--ink-2);line-height:1.55;margin-bottom:16px}
.trip-card .hgrid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}
.trip-card .highlight{padding:12px 14px;background:var(--panel-2);border-radius:10px;border:1px solid var(--line)}
.trip-card .highlight .k{font-family:'JetBrains Mono',monospace;font-size:9px;letter-spacing:.2em;color:var(--accent);text-transform:uppercase;font-weight:600;margin-bottom:4px}
.trip-card .highlight .v{font-size:13px;color:var(--ink);line-height:1.3}
.trip-card .footer{padding:12px 20px;border-top:1px solid var(--line);background:rgba(10,14,22,0.5);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.trip-card .footer .meta{font-family:'JetBrains Mono',monospace;font-size:10.5px;color:var(--ink-3);letter-spacing:.1em}
.trip-card .footer .actions{display:flex;gap:6px}
.trip-card .footer .actions button{padding:7px 12px;background:var(--panel);border:1px solid var(--line-2);border-radius:999px;font-size:11.5px;color:var(--ink-2);font-weight:500}
.trip-card .footer .actions button:hover{color:var(--accent);border-color:var(--accent)}

/* Photo strip */
.photo-strip{display:flex;gap:6px;padding:0 20px 14px;overflow-x:auto;scrollbar-width:none}
.photo-strip::-webkit-scrollbar{display:none}
.photo-strip img{height:72px;width:96px;object-fit:cover;border-radius:8px;flex-shrink:0;border:1px solid var(--line)}

/* Composer */
#composer{padding:12px 16px calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:rgba(6,8,14,0.95);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
#composer form{display:flex;gap:8px;align-items:flex-end;background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:6px 6px 6px 16px;transition:border-color .15s}
#composer form:focus-within{border-color:var(--accent)}
#composer textarea{flex:1;background:transparent;color:var(--ink);font-size:14.5px;line-height:1.4;resize:none;min-height:24px;max-height:140px;padding:10px 0;font-family:inherit}
#composer textarea::placeholder{color:var(--ink-3)}
#composer button.send{width:36px;height:36px;border-radius:50%;background:var(--accent);color:#1a1208;font-size:17px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .15s;font-weight:700}
#composer button.send:disabled{opacity:0.4;cursor:not-allowed}
#composer button.send:not(:disabled):hover{background:var(--accent-2);transform:scale(1.05)}

/* Welcome state */
.welcome{text-align:center;padding:40px 24px 20px;animation:fade-in .5s}
.welcome .eyebrow{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.3em;color:var(--accent);font-weight:600;margin-bottom:16px}
.welcome h2{font-family:'Fraunces',serif;font-weight:400;font-size:32px;line-height:1.1;letter-spacing:-.02em;margin-bottom:12px;color:var(--ink)}
.welcome h2 em{font-style:italic;color:var(--accent);font-weight:500}
.welcome p{font-size:14.5px;color:var(--ink-2);line-height:1.55;max-width:420px;margin:0 auto 24px;font-weight:300}
.welcome .starter-grid{display:grid;grid-template-columns:1fr;gap:8px;max-width:380px;margin:0 auto}
.welcome .starter{padding:12px 16px;background:var(--panel);border:1px solid var(--line);border-radius:12px;font-size:13px;color:var(--ink);text-align:left;transition:all .15s;cursor:pointer}
.welcome .starter:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.welcome .starter .emoji{font-size:15px;margin-right:6px}

/* Error state */
.error-toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);padding:10px 16px;background:#ff5a6e;color:#fff;border-radius:999px;font-size:12px;font-weight:600;z-index:100;animation:fade-in .2s}