/* 오라잇 현장 계산기 공용 스타일 — 티저 사이트(index.html) 팔레트·Pretendard 계승. 모바일 우선, 로그인 없음 */
:root{--blue:#2f7fe0;--deep:#1a3f8f;--light:#4a96f0;--yellow:#f5b301;--green:#10b981;--red:#dc4a3f;--amber:#c47a06;--ink:#10203f;--ink2:#4b5875;--ink3:#7d889f;--bg:#f6f8fc;--line:#dfe6f2;--surface:#fff}
*{margin:0;padding:0;box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-padding-top:72px}
body{font-family:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Malgun Gothic","Apple SD Gothic Neo",sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;word-break:keep-all}
a{color:var(--blue)}
main{max-width:760px;margin:0 auto;padding:22px 16px 60px}
h1{font-size:24px;line-height:1.3;letter-spacing:-.01em;margin-bottom:6px}
.lead{color:var(--ink2);font-size:15px;margin-bottom:18px}
h2{font-size:17px;margin:26px 0 10px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px;margin-bottom:14px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px 12px}
label{display:block;font-size:13px;color:var(--ink2);margin-bottom:4px}
input[type=number],input[type=text],select{width:100%;font:inherit;font-size:17px;padding:11px 12px;border:1.5px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);min-height:48px}
input:focus,select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(47,127,224,.15)}
.unit{font-size:12px;color:var(--ink3);margin-left:4px}
.row{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
button{font:inherit;font-size:15px;font-weight:700;padding:12px 16px;border-radius:999px;border:1.5px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;min-height:48px}
button.primary{background:var(--blue);border-color:var(--blue);color:#fff}
button:focus-visible{outline:3px solid rgba(47,127,224,.35);outline-offset:2px}
.seg{display:flex;flex-wrap:wrap;gap:6px}
.seg button{padding:8px 12px;min-height:40px;font-weight:600;font-size:14px}
.seg button[aria-pressed=true]{background:var(--deep);border-color:var(--deep);color:#fff}
.result{background:#eef4ff;border:1px solid #cfe0fb;border-radius:14px;padding:16px;margin-top:14px}
.result .big{font-size:30px;font-weight:800;letter-spacing:-.02em;line-height:1.2}
.result .big small{font-size:15px;font-weight:600;color:var(--ink2);margin-left:4px}
.result dl{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;font-size:14px;margin-top:10px}
.result dt{color:var(--ink2)}
.result dd{font-weight:600;font-variant-numeric:tabular-nums}
.verdict{display:inline-block;font-weight:800;padding:3px 10px;border-radius:999px;font-size:13px;margin-left:6px;vertical-align:middle}
.v-safe{background:#dcf5ea;color:#0b6b46}.v-warning{background:#fff1d6;color:var(--amber)}.v-danger{background:#fde2df;color:#a32d23}
.note{font-size:13px;color:var(--ink2);background:var(--surface);border:1px dashed var(--line);border-radius:10px;padding:10px 12px;margin-top:12px}
.note b{color:var(--ink)}
.appeal{background:linear-gradient(135deg,var(--deep),var(--blue));color:#fff;border-radius:14px;padding:16px;margin-top:22px}
.appeal h2{color:#fff;margin:0 0 6px;font-size:17px}
.appeal p{font-size:14px;opacity:.95}
.appeal a{display:inline-block;margin-top:10px;background:var(--yellow);color:var(--ink);text-decoration:none;font-weight:800;padding:10px 16px;border-radius:999px;font-size:14px}
.tools{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px}
.tools a{display:block;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px;text-decoration:none;color:var(--ink)}
.tools a b{display:block;font-size:16px;margin-bottom:2px}
.tools a span{font-size:13px;color:var(--ink2)}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:999px;font-size:14px;opacity:0;pointer-events:none;transition:opacity .2s}
.toast.on{opacity:1}
footer{max-width:760px;margin:0 auto;padding:22px 16px 44px;font-size:12px;color:var(--ink3);border-top:1px solid var(--line);display:flex;flex-direction:column;gap:6px}
footer img{display:block;margin-bottom:4px}
footer a{color:var(--ink3)}
.faq details{border-bottom:1px solid var(--line);padding:8px 0}
.faq summary{cursor:pointer;font-weight:600;font-size:15px}
.faq p{font-size:14px;color:var(--ink2);margin-top:6px}
@media (max-width:420px){h1{font-size:21px}.result .big{font-size:26px}}

/* ── 브랜드 개선 (시안 2026-09-23) ───────────────────────── */
.site{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.94);backdrop-filter:saturate(1.4) blur(8px);-webkit-backdrop-filter:saturate(1.4) blur(8px);border-top:3px solid var(--deep);border-bottom:1px solid var(--line)}
.site .in{max-width:760px;margin:0 auto;padding:8px 16px;display:flex;align-items:center;gap:12px;min-height:52px}
.site .brand{display:block;line-height:0}
.site .brand img{height:32px;width:auto}
.site .idn{font-size:13px;font-weight:600;color:var(--ink2);padding-left:12px;border-left:1px solid var(--line);white-space:nowrap}
.site .app{margin-left:auto;font-size:14px;font-weight:700;color:var(--deep);text-decoration:none;padding:8px 2px;white-space:nowrap}
@media (max-width:360px){.site .idn{display:none}}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--blue);margin-bottom:2px}
.ttl{display:flex;align-items:center;gap:14px;margin-bottom:8px}
.ttl h1{margin:0}
.ticon{flex:none;display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,rgba(47,127,224,.12),rgba(74,150,240,.2));color:var(--deep)}
.ticon svg,.ti svg,.bi svg{width:28px;height:28px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.src-row{display:flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:var(--ink3);margin-bottom:6px;letter-spacing:.02em}
.src-row img{border-radius:3px}
.next{margin-top:18px;display:grid;gap:8px}
.next-h{font-size:13px;font-weight:700;color:var(--ink2)}
.next a{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:12px 14px;text-decoration:none;color:var(--ink);min-height:64px}
.next a:hover{border-color:#bcd3f5}
.next .ti{flex:none;display:grid;place-items:center;width:40px;height:40px;border-radius:11px;background:#eef4ff;color:var(--deep)}
.next .ti svg{width:22px;height:22px}
.next .nt{display:flex;flex-direction:column;flex:1}
.next .nt>b{font-size:15px}
.next .nt span{font-size:13px;color:var(--ink2)}
.ar{color:var(--blue);font-weight:800;font-size:18px}
.about{margin-top:26px;background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;display:grid;grid-template-columns:1fr;box-shadow:0 10px 30px -18px rgba(26,63,143,.35)}
.about-txt{padding:20px 18px 18px;border-top:4px solid var(--yellow)}
.about h2{font-size:20px;line-height:1.35;margin:4px 0 8px;color:var(--deep);letter-spacing:-.01em}
.about-lead{font-size:15px;color:var(--ink2)}
.benefits{list-style:none;display:grid;gap:10px 18px;margin:14px 0 4px;padding:0}
@media(min-width:640px){.benefits{grid-template-columns:1fr 1fr}}
.benefits li{display:grid;grid-template-columns:40px 1fr;column-gap:12px;align-items:start}
.benefits .bi{grid-row:span 2;display:grid;place-items:center;width:40px;height:40px;border-radius:11px;background:#eef4ff;color:var(--blue)}
.benefits .bi svg{width:22px;height:22px}
.benefits b{font-size:15px}
.benefits li>span:last-child{font-size:13px;color:var(--ink2)}
.toolline{font-size:13px;color:var(--ink2);background:#f6f8fc;border-radius:10px;padding:10px 12px;margin-top:12px}
.about-cta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:14px}
.about-cta a{background:var(--yellow);color:var(--ink);text-decoration:none;font-weight:800;padding:12px 18px;border-radius:999px;font-size:15px}
.soon{font-size:12px;font-weight:700;color:var(--amber);background:#fff6df;border:1px solid #f5d98a;border-radius:999px;padding:3px 10px}
.about-cta .qr{display:none}
@media (min-width:900px) and (hover:hover){.about-cta .qr{display:flex;align-items:center;gap:10px;margin-left:auto;text-decoration:none;color:var(--ink2);font-size:12px;line-height:1.4;background:none;padding:0;border-radius:0;font-weight:600}.about-cta .qr img{border:1px solid var(--line);border-radius:8px;background:#fff}}
.about-shot{margin:0;background:linear-gradient(160deg,var(--deep),var(--blue));padding:18px 18px 12px;display:flex;flex-direction:column;align-items:center;justify-content:center}
.about-shot img{width:100%;max-width:320px;height:auto;border-radius:14px;box-shadow:0 14px 30px rgba(0,0,0,.28);background:#fff}
.about-shot figcaption{font-size:12px;color:#dbe7ff;margin-top:8px}
@media (min-width:680px){.about{grid-template-columns:1.25fr 1fr}.about-txt{border-top:none;border-left:4px solid var(--yellow)}}
.hub-hero{padding:6px 0 4px}
.hub-hero h1{font-size:28px;line-height:1.25;letter-spacing:-.02em;margin:2px 0 8px}
.tcards{display:grid;gap:10px;margin-top:6px}
@media (min-width:680px){.tcards{grid-template-columns:1fr 1fr}}
.tcard{display:flex;align-items:center;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:14px;text-decoration:none;color:var(--ink);transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}
.tcard:hover{transform:translateY(-2px);box-shadow:0 12px 26px -16px rgba(26,63,143,.45);border-color:#bcd3f5}
.tcard .tc-b{display:flex;flex-direction:column;flex:1;min-width:0}
.tcard .tc-b>b{font-size:17px;letter-spacing:-.01em}
.tcard .d{font-size:13px;color:var(--ink2)}
.tcard .ex{margin-top:6px;font-size:13px;color:var(--ink);background:#f6f8fc;border-radius:8px;padding:4px 8px;align-self:flex-start;font-variant-numeric:tabular-nums}
.tcard .ex b{color:var(--deep);font-size:13px;font-weight:800;white-space:nowrap}
@media (prefers-reduced-motion:reduce){.tcard{transition:none}.tcard:hover{transform:none}}