:root{
  --bg:#ffffff; --bg-soft:#f5f7fb; --ink:#0f172a; --ink-2:#475569; --line:#e2e8f0;
  --brand:#2f5bff; --brand-ink:#ffffff; --brand-soft:#eaf0ff; --accent:#10b981; --warn:#f59e0b; --bad:#ef4444;
  --card:#ffffff; --shadow:0 10px 30px rgba(15,23,42,.08);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0b1020; --bg-soft:#111833; --ink:#e8ecf7; --ink-2:#9aa6c2; --line:#24304f;
  --brand:#6b8cff; --brand-soft:#1a2550; --card:#121a33; --shadow:0 10px 30px rgba(0,0,0,.35);
}}
:root[data-theme="dark"]{
  --bg:#0b1020; --bg-soft:#111833; --ink:#e8ecf7; --ink-2:#9aa6c2; --line:#24304f;
  --brand:#6b8cff; --brand-soft:#1a2550; --card:#121a33; --shadow:0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans KR',system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;word-break:keep-all}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.narrow{max-width:820px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;border-radius:12px;font-weight:700;border:1px solid transparent;cursor:pointer;font-size:16px;transition:.15s;font-family:inherit}
.btn-primary{background:var(--brand);color:var(--brand-ink)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{padding:10px 16px;font-size:14px}
section{padding:80px 0}
.eyebrow{color:var(--brand);font-weight:700;font-size:14px;letter-spacing:.04em}
h2{font-size:clamp(26px,4vw,36px);font-weight:900;margin:8px 0 12px;line-height:1.3}
.lead{color:var(--ink-2);font-size:17px}
.center{text-align:center}
.muted{color:var(--ink-2)}
.soft{background:var(--bg-soft)}
.note{font-size:13px;color:var(--ink-2);margin-top:14px}

/* header */
header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{font-weight:900;font-size:20px;display:flex;align-items:center;gap:8px;flex-shrink:0}
.logo i{width:28px;height:28px;border-radius:8px;background:var(--brand);color:#fff;display:grid;place-items:center;font-style:normal;font-size:15px}
.nav ul{display:flex;gap:22px;list-style:none;font-size:15px;color:var(--ink-2)}
.nav ul a:hover,.nav ul a.active{color:var(--brand)}
.nav ul a.active{font-weight:700}
.nav-right{display:flex;gap:8px;align-items:center}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:var(--ink);border-radius:10px;width:40px;height:40px;font-size:18px;cursor:pointer}
@media(max-width:960px){
  .menu-btn{display:block}
  .nav ul{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;gap:0;background:var(--bg);border-bottom:1px solid var(--line);padding:8px 20px}
  .nav ul.open{display:flex}
  .nav ul a{display:block;padding:12px 0;border-bottom:1px solid var(--line)}
  .nav ul li:last-child a{border-bottom:0}
}

/* page hero */
.page-hero{padding:72px 0 56px;background:radial-gradient(1000px 360px at 50% -10%,var(--brand-soft),transparent 70%);text-align:center}
.page-hero h1{font-size:clamp(30px,5vw,46px);font-weight:900;line-height:1.25;letter-spacing:-.02em}
.page-hero h1 em{font-style:normal;color:var(--brand)}
.page-hero .lead{max-width:640px;margin:16px auto 0}
.page-hero .actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:28px}
.hero{padding:80px 0 72px;background:radial-gradient(1000px 400px at 50% -10%,var(--brand-soft),transparent 70%)}
.hero{position:relative;overflow:hidden}
.hero>.wrap{position:relative;z-index:1}
.hero-bg{position:absolute;inset:0;z-index:0;pointer-events:none}
.hero-bg canvas,.hero-bg video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-bg video{opacity:0;transition:opacity .8s}
.hero-bg.has-video video{opacity:.35}
.hero-bg.has-video canvas{display:none}
.hero-bg::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 55% 60% at 50% 45%,var(--bg) 0%,color-mix(in srgb,var(--bg) 60%,transparent) 55%,transparent 100%)}
.hero h1{font-size:clamp(32px,6vw,56px);font-weight:900;line-height:1.2;letter-spacing:-.02em}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero p.lead{max-width:640px;margin:18px auto 0}

/* search */
.search{max-width:640px;margin:32px auto 0;display:flex;gap:8px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:8px;box-shadow:var(--shadow)}
.search input{flex:1;min-width:0;border:0;outline:0;background:transparent;color:var(--ink);font-size:17px;padding:0 12px;font-family:inherit}
.search .btn{padding:12px 20px}
.badges{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:22px}
.badge{font-size:14px;padding:6px 12px;border-radius:999px;background:var(--bg-soft);border:1px solid var(--line);color:var(--ink-2)}
.badge b{color:var(--ink)}

/* cards & grids */
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px;margin-top:40px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:40px}
@media(max-width:760px){.grid-2{grid-template-columns:1fr}}
.feat{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px;transition:.2s;display:block;text-align:left}
a.feat:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--shadow)}
.ico{width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:22px;margin-bottom:14px}
.feat h3{font-size:18px;margin-bottom:6px}
.feat p{color:var(--ink-2);font-size:15px}
.feat .more{display:inline-block;margin-top:12px;color:var(--brand);font-weight:700;font-size:14px}
.checklist{list-style:none;display:grid;gap:10px;margin-top:14px}
.checklist li{padding-left:26px;position:relative}
.checklist li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:900}
.xlist li::before{content:"!";color:var(--bad)}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:56px}
.stat{text-align:center}
.stat b{display:block;font-size:30px;font-weight:900}
.stat span{color:var(--ink-2);font-size:14px}
@media(max-width:720px){.stats{grid-template-columns:repeat(2,1fr)}}

/* steps */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;margin-top:40px;counter-reset:s;text-align:left}
.step{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px}
.step::before{counter-increment:s;content:"STEP " counter(s);font-size:12px;font-weight:900;color:var(--brand)}
.step h3{font-size:17px;margin:6px 0}
.step p{color:var(--ink-2);font-size:14px}
.step small{display:inline-block;margin-top:10px;font-size:12px;color:var(--brand);background:var(--brand-soft);padding:3px 8px;border-radius:6px;font-weight:700}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px;margin:40px auto 0;text-align:left}
.plan{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:30px;position:relative;display:flex;flex-direction:column}
.plan.best{border:2px solid var(--brand);box-shadow:var(--shadow)}
.plan .pill{position:absolute;top:-13px;left:30px;background:var(--brand);color:#fff;font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px}
.plan h3{font-size:20px}
.plan .sub{color:var(--ink-2);font-size:14px}
.was{display:flex;align-items:center;gap:8px;margin-top:14px;font-size:14px;color:var(--ink-2)}
.was s{opacity:.8}
.was .off{background:#ffe8e8;color:#e03131;font-weight:800;font-size:12px;padding:3px 8px;border-radius:999px}
.was+.price{margin-top:2px}
.price{font-size:36px;font-weight:900;margin:14px 0 4px}
.price small{font-size:15px;font-weight:500;color:var(--ink-2)}
.gov-note{font-size:12px;color:var(--ink-2);margin-top:-2px}
.breakdown{font-size:14px;color:var(--ink-2);border-top:1px dashed var(--line);margin-top:12px;padding-top:12px;display:grid;gap:6px}
.breakdown div{display:flex;justify-content:space-between;gap:10px}
.plan ul{list-style:none;margin:18px 0 24px;display:grid;gap:8px;font-size:15px;flex:1}
.plan li::before{content:"✓ ";color:var(--accent);font-weight:900}

/* table */
.table-wrap{overflow-x:auto;margin-top:28px;border:1px solid var(--line);border-radius:14px}
table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px;background:var(--card)}
th,td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left}
th{background:var(--bg-soft);font-size:14px;color:var(--ink-2);font-weight:700}
tr:last-child td{border-bottom:0}
td.num{text-align:right;font-weight:700;white-space:nowrap}

/* forms */
.form{display:grid;gap:14px;text-align:left}
.form label{display:block;font-weight:700;font-size:14px;margin-bottom:6px}
.form input,.form select,.form textarea{width:100%;padding:12px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font-family:inherit;font-size:15px}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--brand);outline-offset:-1px}
.form .row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:560px){.form .row2{grid-template-columns:1fr}}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips label{font-weight:500;margin:0;cursor:pointer}
.chips input{display:none}
.chips span{display:inline-block;padding:8px 14px;border:1px solid var(--line);border-radius:999px;font-size:14px}
.chips input:checked+span{background:var(--brand);border-color:var(--brand);color:#fff}
.agree{display:flex;gap:8px;align-items:flex-start;font-size:13px;color:var(--ink-2)}
.agree input{width:auto;margin-top:4px}

/* calculator */
.calc{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:28px;display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;text-align:left;margin-top:28px}
@media(max-width:720px){.calc{grid-template-columns:1fr}}
.calc label{display:block;font-weight:700;font-size:14px;margin:12px 0 6px}
.calc select,.calc input[type=range]{width:100%}
.calc select{padding:10px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font-family:inherit;font-size:15px}
.calc-out{background:var(--bg-soft);border-radius:14px;padding:20px;font-size:14px;display:grid;gap:8px}
.calc-out div{display:flex;justify-content:space-between;gap:10px}
.calc-out .total{border-top:1px solid var(--line);padding-top:10px;font-size:18px;font-weight:900}
.calc-out .disc{color:var(--accent)}

/* reviews */
.reviews{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px;margin-top:40px;text-align:left}
.review{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px}
.stars{color:var(--warn);letter-spacing:2px}
.review p{margin:10px 0 16px;font-size:15px}
.who{display:flex;align-items:center;gap:10px;font-size:14px}
.av{width:36px;height:36px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-weight:900}
.who span{color:var(--ink-2);display:block;font-size:12px}

/* faq */
.faq{max-width:820px;margin:32px auto 0}
.faq details{border-bottom:1px solid var(--line);padding:20px 4px}
.faq summary{cursor:pointer;font-weight:700;font-size:17px;list-style:none;display:flex;justify-content:space-between;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--brand);font-size:22px;line-height:1;transition:.2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--ink-2);margin-top:10px;font-size:15px}
.tabs{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:24px}
.tab{padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--ink-2);cursor:pointer;font-size:14px;font-family:inherit}
.tab.on{background:var(--brand);border-color:var(--brand);color:#fff}

/* result */
.res-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow);text-align:left}
.res-top{display:flex;align-items:center;gap:18px}
.gauge{width:84px;height:84px;border-radius:50%;display:grid;place-items:center;font-weight:900;font-size:22px;flex-shrink:0}
.gauge>div{width:66px;height:66px;border-radius:50%;background:var(--card);display:grid;place-items:center}
.res-top h3{font-size:18px}
.res-top p{color:var(--ink-2);font-size:14px}
.res-sec{margin-top:18px;border-top:1px solid var(--line);padding-top:14px}
.res-sec h4{font-size:15px;margin-bottom:10px}
.res-list{display:grid;gap:8px;font-size:14px}
.res-list>div{display:flex;justify-content:space-between;gap:10px;align-items:center}
.tag{font-size:12px;padding:2px 8px;border-radius:6px;font-weight:700;white-space:nowrap}
.t-ok{background:color-mix(in srgb,var(--accent) 15%,transparent);color:var(--accent)}
.t-warn{background:color-mix(in srgb,var(--warn) 18%,transparent);color:var(--warn)}
.t-bad{background:color-mix(in srgb,var(--bad) 15%,transparent);color:var(--bad)}
.t-brand{background:var(--brand-soft);color:var(--brand)}
.loading{text-align:center;color:var(--ink-2);padding:20px}
.spinner{width:28px;height:28px;border:3px solid var(--line);border-top-color:var(--brand);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 10px}
@keyframes spin{to{transform:rotate(360deg)}}

/* callout & cta */
.callout{background:var(--brand-soft);border-radius:16px;padding:22px 24px;margin-top:28px;text-align:left}
.callout b{color:var(--brand)}
.cta-box{background:linear-gradient(135deg,var(--brand),#7c3aed);color:#fff;border-radius:24px;padding:52px 28px;text-align:center}
.cta-box h2{color:#fff}
.cta-box p{opacity:.9}
.cta-box .btn{background:#fff;color:#1e3a8a;margin-top:22px}

footer{border-top:1px solid var(--line);padding:44px 0;font-size:13px;color:var(--ink-2)}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px}
.foot nav{display:flex;flex-wrap:wrap;gap:16px}
.foot nav a:hover{color:var(--ink)}

/* modal & toast */
.modal{position:fixed;inset:0;background:rgba(2,6,23,.55);display:none;align-items:center;justify-content:center;padding:16px;z-index:100}
.modal.open{display:flex}
.modal-box{background:var(--card);border-radius:20px;padding:28px;width:100%;max-width:460px;max-height:90vh;overflow:auto}
.modal-box h3{font-size:20px;margin-bottom:4px}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:12px 20px;border-radius:12px;font-size:14px;display:none;z-index:200;max-width:calc(100% - 32px)}

/* 유사 상표 썸네일 */
.tm-row{display:flex;align-items:center;gap:12px}
.tm-thumb{position:relative;flex-shrink:0;width:44px;height:44px;border-radius:8px;border:1px solid var(--line);background:var(--bg-soft);display:grid;place-items:center;font-weight:700;color:var(--ink-2);overflow:hidden}
.tm-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#fff}
.tm-info{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.4}
.tm-info b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tm-info .muted{font-size:12px}

/* 거절이유 점검 행 */
.chk-row{display:flex;align-items:flex-start;gap:12px}
.chk-row .tag{margin-top:2px}
.chk-info{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.45}
.chk-info small{font-size:12px;margin-top:2px}
.chk-law{font-weight:400;font-size:12px;margin-left:4px}

/* 회원가입·로그인 */
.auth-box{position:relative;max-width:480px}
.auth-close{position:absolute;top:12px;right:14px;background:none;border:0;font-size:26px;line-height:1;color:var(--ink-2);cursor:pointer}
.auth-tabs{display:flex;gap:6px;margin-bottom:14px;border-bottom:1px solid var(--line)}
.auth-tabs button{flex:1;background:none;border:0;padding:10px;font-weight:700;font-size:16px;color:var(--ink-2);cursor:pointer;border-bottom:3px solid transparent;font-family:inherit}
.auth-tabs button.on{color:var(--brand);border-bottom-color:var(--brand)}
.auth-msg{background:var(--brand-soft);color:var(--ink);border-radius:10px;padding:12px 14px;font-size:14px;margin-bottom:12px}
.agree-list{display:grid;gap:8px;background:var(--bg-soft);border-radius:10px;padding:12px}
.agree-list .agree{font-weight:400;margin:0}
.user-chip{font-size:14px;color:var(--ink-2);margin-right:4px;white-space:nowrap}
@media(max-width:560px){.user-chip{display:none}}
/* 비회원 잠금 영역 */
.locked{position:relative;overflow:hidden;border-radius:12px}
.locked .blur{filter:blur(5px);pointer-events:none;user-select:none;opacity:.7}
.locked .lock-cta{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:16px;background:color-mix(in srgb,var(--card) 55%,transparent)}
.signup-box{background:linear-gradient(135deg,var(--brand-soft),var(--card));border:1px solid var(--line);border-radius:16px;padding:22px;margin-top:18px;text-align:center}
.signup-box h4{font-size:18px;margin-bottom:6px}
@media(max-width:420px){.nav-right .btn-primary{display:none}}

.auth-title{font-size:22px;font-weight:900;margin:0 0 14px}
@media(max-width:560px){.nav-right .btn-primary{display:none}.nav-right .btn-sm{padding:8px 10px;font-size:13px}}

/* hidden 속성이 .form{display:grid} 등에 덮이지 않도록 */
[hidden]{display:none !important}