/* Layout: 무대 조명 아래의 검은 스테이지 — 거대한 세리프 히어로 + 실시간 오버레이 데모, 벤토 기능 그리드, 3단계 시작 */
:root{
  --bg:#070707;
  --surface:#111110;
  --line:#26241f;
  --fg:#f6f3ec;
  --muted:#9b968a;
  --gold:#f5c518;
  --gold-deep:#b98d12;
  --live:#ff3b5c;
  --display:"Playfair Display","Nanum Myeongjo",Georgia,serif;
  --kr-display:"Nanum Myeongjo","Playfair Display",serif;
  --body:"Noto Sans KR",system-ui,-apple-system,"Malgun Gothic",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--fg);font-family:var(--body);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}
.wrap{max-width:1180px;margin:0 auto;padding-inline:clamp(16px,4vw,40px)}
h1,h2,h3{text-wrap:balance;margin:0}
p{margin:0}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold)}

/* nav */
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);background:color-mix(in srgb,var(--bg) 72%,transparent);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:700;letter-spacing:.14em;font-size:15px}
.brand img{width:34px;height:34px;border-radius:8px}
.nav-links{display:flex;gap:28px;font-size:14px;color:var(--muted)}
.nav-links a:hover{color:var(--fg)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:700;font-size:15px;transition:transform .2s,background .2s,box-shadow .2s;white-space:nowrap}
.btn-gold{background:var(--gold);color:#0b0a06;box-shadow:0 0 0 0 rgba(245,197,24,.0)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 10px 40px -8px rgba(245,197,24,.55)}
.btn-ghost{border:1px solid var(--line);color:var(--fg)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn-sm{padding:9px 16px;font-size:13px}

/* hero */
.hero{position:relative;padding-block:clamp(56px,9vw,110px) clamp(48px,7vw,90px);isolation:isolate}
.hero::before{content:"";position:absolute;inset:-10% -20% auto;height:640px;z-index:-1;
  background:radial-gradient(ellipse 50% 60% at 50% 0%,rgba(245,197,24,.20),transparent 70%),
             radial-gradient(ellipse 30% 40% at 85% 30%,rgba(255,59,92,.10),transparent 70%)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(32px,5vw,64px);align-items:center}
.hero-grid>*{min-width:0}
.hero h1{font-family:var(--display);font-weight:800;font-size:clamp(46px,7.6vw,104px);line-height:.95;letter-spacing:-.025em}
.hero h1 em{font-style:italic;font-weight:500;color:var(--gold)}
.hero h1 .kr{display:block;font-family:var(--kr-display);font-size:.42em;letter-spacing:-.01em;line-height:1.35;margin-top:.5em;color:var(--fg);font-weight:800}
.hero .lead{margin-top:26px;color:var(--muted);font-size:clamp(16px,1.6vw,18px);max-width:34em}
.hero .lead b{color:var(--fg);font-weight:500}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.live-pill{display:inline-flex;align-items:center;gap:8px;padding:6px 12px 6px 10px;border:1px solid var(--line);border-radius:999px;font-size:13px;color:var(--muted);margin-bottom:26px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--live);box-shadow:0 0 0 0 rgba(255,59,92,.7);animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,59,92,.6)}70%{box-shadow:0 0 0 10px rgba(255,59,92,0)}100%{box-shadow:0 0 0 0 rgba(255,59,92,0)}}

/* overlay demo */
.stage{position:relative;aspect-ratio:9/14;max-width:100%;width:100%;max-height:600px;margin-inline:auto;border-radius:28px;overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(160deg,#1b1813,#0b0b0a 55%,#140c0e)}
.stage::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,rgba(255,255,255,.018) 0 2px,transparent 2px 4px);pointer-events:none}
.stage-top{position:absolute;top:16px;left:16px;right:16px;display:flex;justify-content:space-between;align-items:center;font-size:12px;z-index:2}
.badge-live{background:var(--live);color:#fff;font-weight:700;padding:3px 9px;border-radius:6px;letter-spacing:.06em}
.viewers{font-family:var(--mono);color:var(--fg);background:rgba(0,0,0,.45);padding:3px 9px;border-radius:6px}
.example-tag{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);font-size:11px;color:var(--muted);font-family:var(--mono);letter-spacing:.08em;z-index:2;white-space:nowrap}
.counter{position:absolute;top:58px;left:16px;right:16px;z-index:2;background:rgba(10,10,9,.78);border:1px solid rgba(245,197,24,.35);border-radius:18px;padding:16px 18px;backdrop-filter:blur(6px)}
.counter-label{font-size:12px;color:var(--muted);display:flex;justify-content:space-between}
.counter-num{font-family:var(--display);font-weight:800;font-size:clamp(40px,5vw,58px);line-height:1.05;color:var(--gold);font-variant-numeric:tabular-nums;margin-top:4px}
.bar{height:6px;border-radius:6px;background:#2a271f;margin-top:10px;overflow:hidden}
.bar i{display:block;height:100%;width:40%;background:linear-gradient(90deg,var(--gold-deep),var(--gold));border-radius:6px;transition:width .6s cubic-bezier(.2,.8,.2,1)}
.goal{font-size:12px;color:var(--muted);margin-top:8px;font-family:var(--mono)}
.feed{position:absolute;left:16px;right:16px;bottom:44px;display:flex;flex-direction:column;gap:8px;z-index:2}
.gift{display:flex;align-items:center;gap:10px;background:rgba(18,17,15,.82);border:1px solid var(--line);border-radius:14px;padding:9px 12px;font-size:13px;animation:slideIn .5s cubic-bezier(.2,.8,.2,1)}
.gift .ic{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-size:16px;flex:none;background:#211d14}
.gift b{font-weight:700}
.gift .x{margin-left:auto;font-family:var(--mono);color:var(--gold);font-size:12px}
.gift .who{color:var(--muted)}
@keyframes slideIn{from{opacity:.0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.tts{position:absolute;top:212px;left:16px;right:16px;z-index:2;font-size:13px;color:var(--fg);display:flex;gap:10px;align-items:flex-start}
.tts .mic{flex:none;font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:#0b0a06;background:var(--gold);border-radius:5px;padding:3px 6px;margin-top:2px}
.tts p{background:rgba(0,0,0,.5);border-radius:12px;padding:8px 12px;border:1px solid var(--line);min-height:40px}

/* marquee */
.marquee{border-block:1px solid var(--line);overflow:hidden;padding-block:20px;background:var(--surface)}
.track{display:flex;gap:48px;width:max-content;animation:scroll 38s linear infinite}
.track span{font-family:var(--display);font-style:italic;font-size:clamp(22px,3vw,34px);color:var(--muted);white-space:nowrap;display:flex;align-items:center;gap:48px}
.track span::after{content:"✦";font-style:normal;color:var(--gold);font-size:.6em}
@keyframes scroll{to{transform:translateX(-50%)}}

/* sections */
section.block{padding-block:clamp(72px,10vw,130px)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:48px}
.sec-head h2{font-family:var(--kr-display);font-weight:800;font-size:clamp(30px,4.4vw,54px);line-height:1.2;letter-spacing:-.02em;margin-top:14px}
.sec-head h2 em{font-family:var(--display);font-style:italic;font-weight:500;color:var(--gold)}
.sec-head p{color:var(--muted);max-width:28em}

/* bento */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.cell{grid-column:span 2;position:relative;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:26px;overflow:hidden;transition:border-color .3s,transform .3s;min-width:0}
.cell:hover{border-color:rgba(245,197,24,.45);transform:translateY(-3px)}
.cell.wide{grid-column:span 3}
.cell.hero-cell{grid-column:span 4;grid-row:span 2;background:radial-gradient(ellipse 80% 70% at 100% 100%,rgba(245,197,24,.14),transparent 60%),var(--surface)}
.cell .tag{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase}
.cell h3{font-family:var(--kr-display);font-weight:800;font-size:22px;line-height:1.35;margin-top:12px}
.cell.hero-cell h3{font-size:clamp(26px,3vw,38px)}
.cell p{color:var(--muted);font-size:15px;margin-top:10px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.chip{font-size:12px;padding:5px 11px;border-radius:999px;border:1px solid var(--line);color:var(--fg)}
.chip.on{border-color:var(--gold);color:var(--gold)}
.big-stat{font-family:var(--display);font-weight:800;font-size:clamp(64px,9vw,120px);line-height:1;color:var(--gold);margin-top:28px;font-variant-numeric:tabular-nums;letter-spacing:-.03em}
.big-stat small{font-size:.22em;color:var(--muted);font-family:var(--body);font-weight:500;letter-spacing:0;margin-left:10px}
.wave{display:flex;align-items:flex-end;gap:4px;height:38px;margin-top:20px}
.wave i{flex:1;background:var(--gold);border-radius:3px;opacity:.85;animation:wv 1.2s ease-in-out infinite}
@keyframes wv{0%,100%{height:20%}50%{height:100%}}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line)}
.step{padding:34px 28px 10px 0;border-right:1px solid var(--line);min-width:0}
.step+.step{padding-left:28px}
.step:last-child{border-right:0}
.step .n{font-family:var(--display);font-style:italic;font-size:64px;line-height:1;color:var(--gold)}
.step h3{font-family:var(--kr-display);font-size:22px;font-weight:800;margin-top:18px}
.step p{color:var(--muted);margin-top:10px;font-size:15px}
.step code{font-family:var(--mono);font-size:13px;color:var(--fg);background:var(--surface);border:1px solid var(--line);padding:2px 7px;border-radius:6px;word-break:break-all}

/* pricing */
.price-card{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;border:1px solid rgba(245,197,24,.4);border-radius:28px;padding:clamp(28px,5vw,56px);
  background:radial-gradient(ellipse 60% 90% at 0% 0%,rgba(245,197,24,.12),transparent 60%),var(--surface)}
.price-card>*{min-width:0}
.price-card h2{font-family:var(--kr-display);font-weight:800;font-size:clamp(28px,3.8vw,46px);line-height:1.25;margin-top:14px}
.price-card ul{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.price-card li{display:flex;gap:12px;align-items:flex-start;color:var(--fg)}
.price-card li::before{content:"";flex:none;width:18px;height:18px;margin-top:4px;border-radius:50%;background:var(--gold) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' fill='none' stroke='%230b0a06' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat}
.pay{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}
.pay span{font-size:12px;font-family:var(--mono);color:var(--muted);border:1px solid var(--line);border-radius:8px;padding:5px 10px}
.plans-head{max-width:720px;margin-bottom:36px}
.plans-head h2{font-family:var(--kr-display);font-weight:800;font-size:clamp(28px,3.8vw,46px);line-height:1.25;margin-top:14px}
.plans-head p{color:var(--muted);margin-top:14px}
.plans{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.plan{border:1px solid var(--line);border-radius:20px;padding:clamp(24px,3vw,36px);display:flex;flex-direction:column;gap:18px;min-width:0}
.plan.pro{border-color:var(--gold);box-shadow:0 0 0 1px var(--gold) inset}
.plan-name{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:13px;letter-spacing:.16em;color:var(--muted)}
.plan.pro .plan-name{color:var(--gold)}
.plan-tag{font-family:inherit;font-size:11px;letter-spacing:.04em;padding:3px 9px;border-radius:999px;background:var(--gold);color:#0b0a06}
.plan-price{font-family:var(--kr-display);font-weight:800;font-size:clamp(30px,3.6vw,42px);line-height:1.1;font-variant-numeric:tabular-nums}
.plan-price small{font-size:15px;font-weight:500;color:var(--muted);margin-left:4px}
.plan-sub{color:var(--muted);font-size:14px;margin-top:-8px}
.plan ul{list-style:none;padding:0;margin:0;display:grid;gap:11px}
.plan li{display:flex;gap:10px;align-items:flex-start;font-size:15px}
.plan li::before{content:"";flex:none;width:16px;height:16px;margin-top:4px;border-radius:50%;border:1.5px solid var(--gold)}
.plan.pro li::before{background:var(--gold)}
.plan li b{color:var(--gold);font-weight:700}
.plan .cta-row{margin-top:auto}
.compare{margin-top:44px;overflow-x:auto;border:1px solid var(--line);border-radius:16px}
.compare table{width:100%;border-collapse:collapse;min-width:560px;font-size:14px}
.compare th,.compare td{padding:13px 16px;border-bottom:1px solid var(--line);text-align:left}
.compare th{font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--muted);font-weight:500}
.compare td:not(:first-child),.compare th:not(:first-child){text-align:center;width:22%}
.compare tr:last-child td{border-bottom:0}
.compare .y{color:var(--gold);font-weight:700}
.compare .n{color:var(--muted)}
.terms{margin-top:28px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 28px;color:var(--muted);font-size:14px;line-height:1.6}
.terms div{display:flex;gap:10px}
.terms b{color:var(--fg);flex:none;min-width:92px}
@media (max-width:820px){.plans,.terms{grid-template-columns:minmax(0,1fr)}}
.plan .btn-ghost{display:inline-flex!important}

/* final */
.final{text-align:center;padding-block:clamp(80px,12vw,150px);position:relative;isolation:isolate}
.final::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(ellipse 40% 60% at 50% 100%,rgba(245,197,24,.18),transparent 70%)}
.final img{width:96px;height:96px;margin:0 auto 26px;border-radius:22px;box-shadow:0 20px 60px -20px rgba(245,197,24,.5)}
.final h2{font-family:var(--display);font-weight:800;font-size:clamp(40px,6.5vw,88px);line-height:1;letter-spacing:-.02em}
.final h2 em{color:var(--gold);font-weight:500}
.final p{color:var(--muted);margin-top:20px}
.final .cta-row{justify-content:center}
footer{border-top:1px solid var(--line);padding-block:28px;color:var(--muted);font-size:13px}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* responsive */
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr}
  .stage{max-width:400px}
  .bento{grid-template-columns:repeat(2,1fr)}
  .cell,.cell.wide{grid-column:span 1}
  .cell.hero-cell{grid-column:span 2;grid-row:auto}
  .price-card{grid-template-columns:1fr}
  .nav-links{display:none}
}
@media (max-width:640px){
  .bento{grid-template-columns:1fr}
  .cell,.cell.wide,.cell.hero-cell{grid-column:span 1}
  .steps{grid-template-columns:1fr}
  .step,.step+.step{border-right:0;border-bottom:1px solid var(--line);padding:28px 0}
  .step:last-child{border-bottom:0}
  .nav .btn-ghost{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* ===== 2026-10 판매용 추가 ===== */
body{margin:0}
/* 시작 영상 */
.intro{position:fixed;inset:0;z-index:100;background:#000;display:flex;align-items:center;justify-content:center;transition:opacity .7s ease}
.intro.hide{opacity:0;pointer-events:none}
.intro video{width:100%;height:100%;object-fit:contain;background:#000}
.intro .skip{position:absolute;right:clamp(16px,3vw,32px);bottom:clamp(16px,4vh,40px);display:flex;gap:10px}
.intro button{font:700 14px var(--body);color:var(--fg);background:rgba(0,0,0,.55);border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:10px 18px;cursor:pointer;backdrop-filter:blur(6px)}
.intro button.gold{background:var(--gold);color:#0b0a06;border-color:var(--gold)}
.intro .enter-hint{position:absolute;left:50%;bottom:clamp(16px,4vh,40px);transform:translateX(-50%);color:rgba(255,255,255,.55);font-size:12px;letter-spacing:.1em;font-family:var(--mono)}

/* 입장 인사 시연 */
.greet-demo{position:relative;aspect-ratio:16/9;width:100%;border-radius:22px;overflow:hidden;border:1px solid rgba(245,197,24,.35);
  background:radial-gradient(ellipse 60% 70% at 30% 100%,rgba(245,197,24,.10),transparent 60%),linear-gradient(160deg,#17140f,#0a0a09 60%,#120b0d)}
.greet-demo iframe{position:absolute;left:0;top:0;width:1920px;height:1080px;border:0;transform-origin:0 0;pointer-events:none;background:transparent}
.greet-demo .label{position:absolute;right:14px;top:12px;z-index:2;font:500 11px var(--mono);letter-spacing:.1em;color:var(--muted);background:rgba(0,0,0,.5);padding:4px 10px;border-radius:999px}
.fx-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 0}
.fx-tabs button{font:700 13px var(--body);color:var(--fg);background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:8px 14px;cursor:pointer}
.fx-tabs button[aria-pressed="true"]{border-color:var(--gold);color:var(--gold)}
.shots{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:28px}
.shot{margin:0;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#0b0a08}
.shot img{display:block;width:100%;height:auto}
.shot figcaption{padding:12px 16px;font-size:14px;color:var(--muted);border-top:1px solid var(--line)}
.shot figcaption b{color:var(--fg)}
.banners{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.banner{border:1px solid var(--line);border-radius:18px;padding:22px;background:var(--surface);display:flex;flex-direction:column;gap:14px;min-width:0}
.banner .pic{min-height:96px;display:flex;align-items:center;justify-content:center;background:#0b0a08;border-radius:12px;padding:12px}
.banner .pic img{max-width:100%;height:auto;max-height:110px}
.banner h3{font-family:var(--kr-display);font-size:19px;font-weight:800}
.banner p{color:var(--muted);font-size:14px}
.pro-tag{display:inline-block;font:700 10.5px var(--mono);letter-spacing:.12em;color:#0b0a06;background:var(--gold);border-radius:999px;padding:3px 8px;vertical-align:3px;margin-left:6px}
.free-tag{display:inline-block;font:700 10.5px var(--mono);letter-spacing:.12em;color:var(--fg);border:1px solid var(--line);border-radius:999px;padding:2px 8px;vertical-align:3px;margin-left:6px}

/* 업데이트·계획 */
.road{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.road .card{border:1px solid var(--line);border-radius:20px;padding:26px;background:var(--surface);min-width:0}
.road .card .st{font:700 11px var(--mono);letter-spacing:.14em;color:var(--gold)}
.road .card h3{font-family:var(--kr-display);font-size:21px;font-weight:800;margin-top:10px}
.road .card p{color:var(--muted);font-size:15px;margin-top:8px}

/* 공지 */
.notices{display:grid;gap:12px}
.notice{border:1px solid var(--line);border-radius:16px;background:var(--surface);overflow:hidden}
.notice summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;padding:18px 20px;flex-wrap:wrap}
.notice summary::-webkit-details-marker{display:none}
.notice .ntag{font:700 11px var(--mono);letter-spacing:.08em;border:1px solid var(--gold);color:var(--gold);border-radius:999px;padding:2px 9px;flex:none}
.notice .ttl{font-weight:700;flex:1;min-width:0}
.notice .dt{color:var(--muted);font:500 12px var(--mono);flex:none}
.notice .body{padding:0 20px 20px;color:var(--muted);white-space:pre-wrap;line-height:1.75}
.notice[open] summary .ttl{color:var(--gold)}

/* 양식 */
.form-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:20px}
.form-grid>*{min-width:0}
.panel{border:1px solid var(--line);border-radius:20px;background:var(--surface);padding:clamp(22px,3vw,32px)}
.panel h3{font-family:var(--kr-display);font-size:22px;font-weight:800}
.panel>p{color:var(--muted);margin-top:8px;font-size:15px}
.field{display:flex;flex-direction:column;gap:6px;margin-top:16px}
.field span{font-size:13px;color:var(--muted)}
.field input,.field select,.field textarea{font:15px var(--body);color:var(--fg);background:#0b0a08;border:1px solid var(--line);border-radius:12px;padding:12px 14px;width:100%}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--gold)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.form-msg{margin-top:12px;font-size:14px;min-height:1.4em}
.form-msg.ok{color:#7bd88f}.form-msg.err{color:#ff8a8a}
.panel .btn{margin-top:18px;border:0;cursor:pointer;font-family:var(--body)}
.steps-pay{margin:14px 0 0;padding-left:20px;color:var(--muted);font-size:14px;line-height:1.8}
.steps-pay b{color:var(--fg)}
.dl-meta{color:var(--muted);font-size:13px;margin-top:10px;font-family:var(--mono)}
footer .links{display:flex;gap:16px;flex-wrap:wrap}
footer .links a:hover{color:var(--fg)}
footer .biz{width:100%;font-size:12px;color:#6f6a60}

@media (max-width:960px){
  .shots,.banners,.form-grid{grid-template-columns:minmax(0,1fr)}
  .road{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:640px){.intro .enter-hint{display:none}}