:root{
  --chalk:#FBF8F0; --pitch:#2F7D4F; --pitch-deep:#1F5A38; --hamster:#F0A94E;
  --navy:#1B2742; --cyan:#2BB5CC; --ink:#22262E; --mute:#5E6573; --line:#E3DECF;
}
@media (prefers-color-scheme: dark){
  :root{ --chalk:#141B2B; --ink:#EDEAE0; --mute:#A7AEBD; --line:#2B3550; --navy:#EDEAE0; }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--chalk);color:var(--ink);font-family:'Noto Sans KR',system-ui,sans-serif;line-height:1.75;font-size:17px}
h1,h2,h3{font-family:'Jua','Noto Sans KR',sans-serif;font-weight:400;line-height:1.3;color:var(--navy)}
a{color:var(--pitch)}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}

.nav{position:sticky;top:0;z-index:5;background:var(--pitch-deep);color:#fff;display:flex;align-items:center;gap:6px;padding:10px 20px;flex-wrap:wrap}
.nav .brand{font-family:'Jua',sans-serif;font-size:1.15rem;margin-right:auto;color:#fff;text-decoration:none}
.nav a.tab{color:#E8F3EC;text-decoration:none;padding:6px 14px;border-radius:999px;font-size:.95rem}
.nav a.tab:hover{background:rgba(255,255,255,.14)}
.nav a.tab[aria-current="page"]{background:var(--hamster);color:#2a1a00;font-weight:700}

.wrap{max-width:860px;margin:0 auto;padding:0 20px}
section{padding:44px 0}
.lead{font-size:1.1rem;color:var(--mute);max-width:60ch}

/* 히어로: 축구장 라인 */
.hero{background:var(--pitch);color:#fff;position:relative;overflow:hidden;padding:72px 0 80px}
.hero::before{content:"";position:absolute;inset:18px;border:3px solid rgba(255,255,255,.55);border-radius:6px;pointer-events:none}
.hero::after{content:"";position:absolute;left:50%;top:18px;bottom:18px;width:3px;background:rgba(255,255,255,.55);pointer-events:none}
.hero .wrap{position:relative;z-index:1}
.hero h1{color:#fff;font-size:clamp(2.4rem,8vw,4.4rem);margin:0 0 12px;background:var(--pitch);display:inline-block;padding:0 14px 0 0}
.hero p{max-width:34ch;font-size:1.15rem;background:var(--pitch);display:inline-block;padding:2px 14px 2px 0;margin:0}
.ball{position:absolute;right:11%;top:50%;width:92px;height:92px;margin-top:-46px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fff,#F7D9A8 55%,var(--hamster));box-shadow:0 0 0 5px rgba(255,255,255,.55);z-index:1;display:grid;place-items:center;font-size:2.6rem;animation:roll 3.2s ease-in-out 1}
@keyframes roll{from{transform:translateX(-30vw) rotate(-360deg);opacity:0}to{transform:none;opacity:1}}
@media (max-width:640px){.ball{display:none}.hero::after{display:none}}

.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:0;border:2px solid var(--line);border-radius:10px;overflow:hidden}
.facts div{padding:16px 20px;border-right:2px solid var(--line)}
.facts div:last-child{border-right:0}
.facts dt{font-size:.9rem;color:var(--mute)} .facts dd{margin:2px 0 0;font-weight:700;font-size:1.1rem}

form.card,.panel{border:2px solid var(--line);border-radius:12px;padding:24px;background:color-mix(in srgb,var(--chalk) 92%,#fff)}
label{display:block;font-weight:700;margin:16px 0 6px}
input[type=text],textarea{width:100%;font:inherit;color:var(--ink);background:var(--chalk);border:2px solid var(--line);border-radius:8px;padding:10px 12px}
textarea{min-height:90px;resize:vertical}
.choices{display:grid;gap:8px}
.choices label{display:flex;gap:10px;align-items:center;font-weight:500;margin:0;border:2px solid var(--line);border-radius:8px;padding:10px 14px;cursor:pointer}
.choices input{accent-color:var(--pitch);width:20px;height:20px}
.choices label:has(input:checked){border-color:var(--pitch);background:color-mix(in srgb,var(--pitch) 12%,transparent)}
button.btn{font:inherit;font-weight:700;background:var(--pitch);color:#fff;border:0;border-radius:8px;padding:12px 24px;cursor:pointer;margin-top:18px}
button.btn:hover{background:var(--pitch-deep)} button.btn:disabled{opacity:.55;cursor:wait}
.msg{margin-top:12px;font-weight:500} .msg.err{color:#C0392B}

.tally{display:flex;height:34px;border-radius:8px;overflow:hidden;margin-top:12px;background:var(--line)}
.tally span{display:grid;place-items:center;color:#fff;font-size:.85rem;font-weight:700;white-space:nowrap;transition:width .4s}
.t-yes{background:var(--pitch)} .t-maybe{background:var(--hamster);color:#2a1a00!important} .t-no{background:#7A8499}
.legend{display:flex;gap:16px;flex-wrap:wrap;font-size:.9rem;color:var(--mute);margin-top:8px}

.timeline{list-style:none;padding:0;margin:0;border-left:4px solid var(--hamster)}
.timeline li{padding:4px 0 18px 22px;position:relative}
.timeline li::before{content:"";position:absolute;left:-10px;top:10px;width:16px;height:16px;border-radius:50%;background:var(--chalk);border:4px solid var(--hamster)}
.timeline b{font-family:'Jua',sans-serif;font-weight:400;color:var(--pitch);font-size:1.05rem}

details{border-bottom:2px solid var(--line);padding:14px 0} summary{cursor:pointer;font-weight:700}
details p{margin:8px 0 0;color:var(--mute)}

/* AI 채팅 */
.chat{display:flex;flex-direction:column;gap:12px;min-height:320px;max-height:56vh;overflow-y:auto;padding:16px;border:2px solid var(--line);border-radius:12px}
.bubble{max-width:82%;padding:10px 14px;border-radius:14px;white-space:pre-wrap;word-break:break-word}
.bubble.user{align-self:flex-end;background:var(--pitch);color:#fff;border-bottom-right-radius:4px}
.bubble.bot{align-self:flex-start;background:color-mix(in srgb,var(--hamster) 22%,var(--chalk));border-bottom-left-radius:4px}
.ask{display:flex;gap:8px;margin-top:12px} .ask input{flex:1} .ask button{margin-top:0}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}
.chips button{font:inherit;font-size:.9rem;background:transparent;color:var(--ink);border:2px solid var(--line);border-radius:999px;padding:6px 14px;cursor:pointer}
.chips button:hover{border-color:var(--pitch)}

footer{border-top:2px solid var(--line);padding:24px 0;color:var(--mute);font-size:.9rem;text-align:center}
@media (prefers-reduced-motion:reduce){.ball{animation:none}.tally span{transition:none}html{scroll-behavior:auto}}