/* racquetpilot.com v2 — 스코어 방향. 흰 바탕, 강조색 하나(라임), 큰 산세리프, 실제 화면 속 숫자 하나.
   데모 단계. 서체는 Google Fonts(IBM Plex Sans KR) — 정식 배포 전 Pretendard 자체 호스팅으로 교체. */
:root{--ink:#141A15;--ink2:#5F6B62;--line:#DDE2D8;--paper:#F3F4EE;--lime:#C8F03C;--lime2:#F2FBD6;--green:#3D5C1F;--r:20px;--w:1120px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;overflow-x:hidden;background:#fff;color:var(--ink);font-family:"IBM Plex Sans KR",-apple-system,"Pretendard",system-ui,sans-serif;line-height:1.55;font-size:16px}
img{max-width:100%}
a{color:inherit}
.wrap{max-width:var(--w);margin:0 auto;padding:0 24px}
.btn{display:inline-block;padding:13px 22px;border-radius:999px;background:var(--ink);color:#fff;font-weight:700;text-decoration:none;font-size:15px;line-height:1.2;white-space:nowrap;border:1.5px solid var(--ink)}
.btn.primary{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn.secondary{background:transparent;color:var(--ink)}
.btn.small{padding:9px 16px;font-size:14px}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--lime);outline-offset:2px}
/* nav */
.nav{display:flex;align-items:center;gap:22px;padding:18px 0;position:relative;z-index:3}
.nav .logo{display:flex;gap:10px;align-items:center;font-weight:800;font-size:16px;text-decoration:none}
.nav .logo img{width:28px;height:28px;border-radius:8px}
.nav ul{display:flex;gap:22px;list-style:none;margin:0 0 0 auto;padding:0;font-size:14px;color:var(--ink2)}
.nav ul a{text-decoration:none;color:inherit}
.nav ul a.on{color:var(--ink);font-weight:700}
.nav ul a.lang{border:1px solid var(--line);border-radius:999px;padding:3px 10px;font-size:12px;letter-spacing:.02em}
.nav .burger{display:none;margin-left:auto;padding:8px;color:var(--ink);background:none;border:0;cursor:pointer;line-height:0;border-radius:8px}
.lbl{display:block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--green);font-weight:700;margin-bottom:6px}
.sec-title{font-size:30px;letter-spacing:-.02em;margin:0 0 20px;line-height:1.15;text-wrap:balance}
.sec-sub{margin:-8px 0 22px;color:var(--ink2);font-size:16px;max-width:60ch}
section.block{padding-block:48px}
/* masthead — 사진이 위에 고정되고 본문이 커튼처럼 덮는다 */
.masthead{position:sticky;top:0;z-index:0;height:min(56vh,640px);overflow:hidden;background:#2b4a24}
.masthead img{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:max(100%,calc(min(56vh,640px) * 2.357));aspect-ratio:1584/672;display:block}
@keyframes sceneAway{to{scale:1.08;opacity:.4}}
@supports (animation-timeline: scroll()){.masthead img{animation:sceneAway linear both;animation-timeline:scroll();animation-range:0 min(56vh,640px)}}
@media (prefers-reduced-motion:reduce){.masthead img{animation:none}}
.sheet{position:relative;z-index:1;background:#fff}
/* hero */
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding-block:44px 56px}
.hero .eyebrow{margin:0 0 10px;font-size:14px;color:var(--ink2)}
.hero h1{font-size:64px;line-height:1.05;letter-spacing:-.02em;margin:0 0 16px;font-weight:700;text-wrap:balance}
.hero h1 .num{background:var(--lime);padding:0 .15em;border-radius:.15em;line-height:1.15;display:inline-block}
.hero .sub{font-size:19px;color:var(--ink2);max-width:36ch;margin:0 0 24px}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.hero .meta{display:flex;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--ink2);margin:0}
.hero .meta span+span::before{content:"·";margin-right:6px;color:#b9bfb5}
.mark{display:inline-flex;align-items:center;gap:10px;padding:6px 14px 6px 6px;border:1px solid var(--line);border-radius:999px;margin:0 0 18px;font-size:14px;background:#fff}
.mark img{width:30px;height:30px;border-radius:9px}
.mark b{display:block;line-height:1.15}
.mark small{display:block;color:var(--ink2);font-size:12px}
.hero-media{display:grid;place-items:center;position:relative}
.hero-media .cap{font-size:12px;color:var(--ink2);margin-top:12px}
/* 실제 폰 컷아웃 + 화면 */
.devphone{position:relative;width:300px;max-width:100%;aspect-ratio:1536/2752;container-type:inline-size;filter:drop-shadow(0 30px 40px rgba(0,0,0,.22))}
.devphone .dev-img{position:absolute;inset:0;width:100%;height:100%;display:block}
.devphone .dev-scr{position:absolute;left:16.41%;top:9.38%;width:67.32%;height:81.32%;overflow:hidden;border-radius:11.4cqw;background:#f7f7f2}
.devphone .dev-scr img{width:100%;height:100%;object-fit:cover;object-position:top;display:block}
.devphone .island{position:absolute;left:50%;top:10.44%;width:21.5%;height:3.5%;background:#000;border-radius:999px;transform:translateX(-50%)}
.devphone.sm{width:190px;filter:drop-shadow(0 16px 24px rgba(0,0,0,.18))}
/* diff */
.diff-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.diff-list li{display:flex;flex-direction:column;gap:6px}
.diff-list .ico{width:36px;height:36px;border-radius:10px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;font-style:normal;font-weight:800;color:var(--green);margin-bottom:6px}
.diff-list b{font-size:17px}.diff-list p{margin:0;color:var(--ink2);font-size:14px}
/* how */
.how{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
.how .sec-title{grid-column:1/-1;margin-bottom:0}
.how-media{position:relative}.how-media>img{width:100%;border-radius:var(--r);display:block}
.how-media .devphone{position:absolute;right:-8px;bottom:-28px}
.steps{list-style:none;margin:0;padding:0;display:grid;gap:18px}
.steps li{display:grid;grid-template-columns:auto 1fr;gap:4px 14px}
.steps .k{grid-row:span 2;font-weight:800;color:var(--green);font-size:13px;padding-top:4px}
.steps b{font-size:18px}.steps p{margin:0;color:var(--ink2);font-size:15px}
/* tiles */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.prod{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;color:inherit;display:flex;flex-direction:column;background:#fff}
.prod img{width:100%;aspect-ratio:4/3;height:auto;object-fit:cover;object-position:50% 50%;display:block;background:var(--paper)}
.prod img.app{object-position:50% 78%}
.prod .t{padding:16px 18px}.prod b{display:block;font-size:18px;margin-bottom:4px}.prod p{margin:4px 0;color:var(--ink2);font-size:14px}
.prod.main{background:var(--paper)}
.now,.next{font-style:normal;font-size:11px;font-weight:700;letter-spacing:.08em;margin-right:6px;padding:2px 6px;border-radius:4px;vertical-align:middle}
.now{background:var(--lime);color:#141A15}.next{background:var(--paper);color:var(--ink2);border:1px solid var(--line)}
/* experiment / two-col */
.two{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
.two img{width:100%;border-radius:var(--r);border:1px solid var(--line);display:block}
.two p{font-size:17px;color:var(--ink2);margin:0 0 12px}
.link{font-weight:700;color:var(--green);text-decoration:none;font-size:15px}
/* maker */
.maker-in{display:flex;gap:18px;align-items:center;justify-content:space-between;background:var(--paper);border-radius:var(--r);padding:26px 28px}
.maker-in p{margin:0;color:var(--ink2);font-size:15px;max-width:62ch}.maker-in p b{color:var(--ink)}
/* footer */
.partner-in{display:flex;gap:24px;align-items:center;border:1px solid var(--line);border-radius:var(--r);padding:22px 26px}
.partner-in img{height:40px;width:auto;flex:none}
.partner-in b{font-size:15px}.partner-in b small{font-weight:400;color:var(--ink2);font-size:13px}.partner-in p{margin:4px 0 0;color:var(--ink2);font-size:14px}.partner-in>.link{margin-left:auto;white-space:nowrap}
.foot{border-top:1px solid var(--line);padding:24px 0 40px;font-size:13px;color:var(--ink2);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.foot .links a{margin-left:14px;text-decoration:underline;text-underline-offset:3px;color:inherit}
/* sticky CTA (mobile) */
.sticky-cta{display:none}
/* ---- lab ---- */
.tool-grid,.series-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;color:inherit;display:flex;flex-direction:column;background:#fff}
.card img,.card .ph{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:top;display:block;background:var(--paper)}
.card .ph{display:grid;place-items:center;color:var(--ink2);font-size:13px;border-bottom:1px dashed #b9bfb5;text-align:center;padding:12px}
.card .t{padding:16px 18px;display:flex;flex-direction:column;gap:4px}
.card b{font-size:17px}.card p{margin:0;color:var(--ink2);font-size:14px}
.code,.st{font-style:normal;font-size:12px;font-weight:700;color:var(--green);margin-top:6px}
.code::before{content:"🔒 ";filter:grayscale(1)}.code.open::before{content:""}
.st.soon{color:var(--ink2)}
.area{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:18px;align-items:start}
.area figure{margin:0;background:var(--paper);border-radius:var(--r);padding:14px;text-align:center}
.area figure img{width:auto;max-height:420px;border-radius:12px;display:inline-block}
.area figcaption{font-size:13px;color:var(--ink2);margin-top:8px}
.area .num{font-size:56px;font-weight:800;letter-spacing:-.03em;line-height:1}
.area .num small{font-size:18px;font-weight:600;color:var(--ink2);margin-left:6px}
.area .kv{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:14px;margin:14px 0}
.area .kv dt{color:var(--ink2)}.area .kv dd{margin:0;font-weight:600}
.trio{list-style:none;margin:0 0 18px;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.trio li{border:1px solid var(--line);border-radius:14px;padding:18px}
.trio b{display:block;font-size:44px;font-weight:800;letter-spacing:-.03em;line-height:1}
.trio b.tbd{color:#b9bfb5}.trio span{display:block;font-size:13px;color:var(--ink2);margin-top:6px}
.limit{background:var(--paper);border-radius:14px;padding:16px 18px;font-size:15px}
/* ---- beta form / prose ---- */
.form{max-width:640px;display:grid;gap:14px}
.form label{display:grid;gap:6px;font-size:14px;font-weight:600}
.form input,.form select,.form textarea{font:inherit;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:#fff;width:100%}
.form textarea{min-height:110px;resize:vertical}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form .hint{font-size:12px;color:var(--ink2);font-weight:400}
.form .actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:6px}
.form .status{font-size:14px;color:var(--green);min-height:1.4em}
.prose{max-width:760px}
.prose h1{font-size:34px;letter-spacing:-.02em;line-height:1.15;margin:8px 0 12px}
.prose h2{font-size:22px;margin:36px 0 10px}
.prose h3{font-size:17px;margin:24px 0 8px}
.prose p,.prose li{color:var(--ink2)}
.prose table{border-collapse:collapse;width:100%;font-size:14px;margin:12px 0;display:block;overflow-x:auto}
.prose th,.prose td{border-top:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.prose th{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink2)}
.prose blockquote{border-left:3px solid var(--lime);margin:12px 0;padding:6px 14px;background:var(--paper);border-radius:0 10px 10px 0}
.prose pre{background:var(--paper);padding:12px 14px;border-radius:10px;overflow-x:auto}
.prose hr{border:0;border-top:1px solid var(--line);margin:24px 0}
.tbl{overflow-x:auto}
/* ---- responsive ---- */
@media (max-width:820px){
  .nav ul{display:none}.nav ul.open{display:flex;position:absolute;right:0;top:64px;flex-direction:column;gap:0;background:#fff;border:1px solid var(--line);border-radius:14px;padding:8px 0;min-width:200px;box-shadow:0 20px 40px rgba(0,0,0,.12);z-index:9}
  .nav ul.open a{display:block;padding:12px 18px}.nav ul.open a.lang{border:0;border-top:1px solid var(--line);border-radius:0;margin-top:6px;padding-top:12px}.nav .burger{display:block}.nav .btn{display:none}
  .masthead{position:relative;height:auto;aspect-ratio:1584/672}
  .masthead img{position:static;transform:none;width:100%;animation:none}
  .hero{grid-template-columns:1fr;gap:28px;padding-block:24px 36px}
  .how-media .devphone{right:0;bottom:-20px}
  .hero h1{font-size:44px}.hero .sub{font-size:16px}
  .devphone{width:230px}.devphone.sm{width:120px}
  .diff-list{grid-template-columns:1fr 1fr;gap:14px}
  .how{grid-template-columns:1fr}
  .prod-grid,.tool-grid,.series-grid,.trio,.two,.area{grid-template-columns:1fr}
  .maker-in{flex-direction:column;align-items:flex-start}
  .partner-in{flex-direction:column;align-items:flex-start;gap:14px}
  .sec-title{font-size:24px}
  .form .row{grid-template-columns:1fr}
  .sticky-cta{display:flex;position:sticky;bottom:0;align-items:center;justify-content:space-between;gap:12px;padding:12px 18px;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-top:1px solid var(--line);font-size:14px;font-weight:600;z-index:5}
  .btn{padding:12px 18px;font-size:14px}
}
/* ---- strings ---- */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:13px;padding:7px 12px;border:1px solid var(--line);border-radius:999px;text-decoration:none;color:var(--ink);background:#fff}
.chip small{color:var(--ink2);margin-left:4px}
.chip:hover{border-color:var(--ink)}
.brand .sec-title{font-size:24px;margin-bottom:10px;scroll-margin-top:16px}
.brand .sec-title small{font-size:14px;color:var(--ink2);font-weight:600;margin-left:6px}
.brand table{border-collapse:collapse;width:100%;font-size:14px}
.brand th,.brand td{border-top:1px solid var(--line);padding:9px 10px;text-align:left;vertical-align:top}
.brand th{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink2);font-weight:600}
.brand td:first-child{font-weight:600}
.brand td:nth-child(3){color:var(--ink2);white-space:nowrap}
@media (max-width:820px){.brand td:nth-child(3){white-space:normal}}
/* form 정렬 — 라벨 한 줄 고정, 입력칸 높이 통일 */
.form label{grid-template-rows:auto 1fr;align-content:start}
.form .lt{display:block;min-height:1.4em}
.form .lt em{font-style:normal;font-weight:400;color:var(--ink2)}
.form input,.form select{height:48px}
.form select{appearance:none;-webkit-appearance:none;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%235F6B62' stroke-width='1.6'/%3E%3C/svg%3E") no-repeat right 14px center;padding-right:36px}
.brand table{table-layout:fixed}
.brand td{overflow-wrap:anywhere}
.brand td.ok b{color:var(--green);font-weight:700}
.brand td.ok b::before{content:"✓ "}
.brand td.ok span{color:#9AA39B}