/* 공구다 (09da.kr, 2026-11-03) — 흰 바탕 · 검정 글씨 · 주황 한 가지. 휴대폰 먼저 */
:root{--ink:#141414;--txt:#2b2b2b;--sub:#666;--mute:#999;--line:#e9e6e1;--soft:#f7f4ef;--acc:#ff5a1f;--acc-ink:#d9450f;--bg:#fff}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--txt);font:16px/1.65 "Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;letter-spacing:-.3px;word-break:keep-all;overflow-wrap:anywhere}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
.gd-in{max-width:1120px;margin:0 auto;padding:0 16px}
.gd-narrow{max-width:720px}

/* 머리 */
.gd-top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);-webkit-backdrop-filter:saturate(1.4) blur(10px);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.gd-top .gd-in{display:flex;align-items:center;justify-content:space-between;height:60px}
.gd-logo{display:flex;align-items:center}
.gd-logo img{display:block;height:28px;width:auto}   /* 로고 이미지 (2026-11-03 사장님이 준 «공구다» 글자) */
.gd-nav{display:flex;align-items:center;gap:4px;font-size:14.5px}
.gd-nav a{padding:8px 10px;color:var(--sub);border-radius:8px}
.gd-nav a:hover{color:var(--ink)}
.gd-nav .gd-nav-cta{background:var(--ink);color:#fff;font-weight:700;padding:8px 14px}
@media (max-width:520px){.gd-nav a:not(.gd-nav-cta){display:none}}
.gd-flash{max-width:720px;margin:14px auto 0;padding:12px 16px;border-radius:12px;background:#fff4ef;border:1px solid #ffd3c2;color:#a83a0d;font-size:14.5px}

/* 버튼 */
.gd-btn{display:inline-flex;align-items:center;justify-content:center;height:52px;padding:0 24px;border:1.5px solid var(--acc);border-radius:14px;background:var(--acc);color:#fff;font-weight:800;font-size:16px;cursor:pointer;transition:background .15s,transform .15s}
.gd-btn:hover{background:var(--acc-ink);border-color:var(--acc-ink)}
.gd-btn:active{transform:translateY(1px)}
.gd-btn.line{background:#fff;color:var(--ink);border-color:#d6d2cb}
.gd-btn.line:hover{border-color:var(--ink)}
.gd-btn.big{width:100%;height:56px;font-size:17px}

/* 첫 화면 */
.gd-hero{padding:56px 0 64px;background:linear-gradient(180deg,#fff 0%,var(--soft) 100%)}
.gd-hero-in{display:grid;gap:40px;align-items:center}
@media (min-width:900px){.gd-hero{padding:96px 0 104px}.gd-hero-in{grid-template-columns:1.3fr 1fr;gap:48px}}
.gd-eyebrow{display:inline-block;margin:0 0 16px;padding:6px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--sub);font-size:13px;font-weight:600}
.gd-hero h1{margin:0;font-size:clamp(32px,7.4vw,54px);line-height:1.18;font-weight:900;color:var(--ink);letter-spacing:-2px}
.gd-hero h1 span{color:var(--acc)}
.gd-lead{margin:20px 0 0;font-size:clamp(16px,2.4vw,19px);color:var(--sub);line-height:1.7}
.gd-lead b{color:var(--ink)}
.gd-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.gd-hero-cats{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.gd-hero-cats li{position:relative;min-height:150px;padding:20px 18px;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 30px -18px rgba(0,0,0,.25);display:flex;flex-direction:column;justify-content:flex-end}
.gd-hero-cats i{position:absolute;top:16px;left:16px;font-style:normal;font-size:36px;line-height:1}
.gd-hero-cats b{font-size:19px;color:var(--ink);font-weight:800}
.gd-hero-cats span{font-size:13px;color:var(--sub);line-height:1.45}
.gd-hero-cats .c1{background:#eef8ef}.gd-hero-cats .c2{background:#ebf4fd}.gd-hero-cats .c3{background:#fdeeee}.gd-hero-cats .c4{background:#fff4e3}
@media (min-width:900px){.gd-hero-cats li{min-height:190px}.gd-hero-cats .c2,.gd-hero-cats .c4{transform:translateY(26px)}}

/* 마디 */
.gd-sec{padding:72px 0}
@media (min-width:900px){.gd-sec{padding:104px 0}}
.gd-sec-soft{background:var(--soft)}
.gd-sec-ink{background:var(--ink);color:#e9e9e9}
.gd-kicker{margin:0 0 10px;color:var(--acc);font-weight:800;font-size:14px;letter-spacing:.2px}
.gd-sec h2{margin:0;font-size:clamp(26px,4.6vw,40px);line-height:1.28;font-weight:900;color:var(--ink);letter-spacing:-1.2px}
.gd-sec h2 em{font-style:normal;color:var(--acc)}
.gd-sec-ink h2{color:#fff}
.gd-sub{margin:14px 0 0;color:var(--sub);font-size:16.5px;max-width:640px}
.gd-cards{display:grid;gap:14px;margin-top:36px}
@media (min-width:720px){.gd-cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1000px){.gd-cards{grid-template-columns:repeat(4,minmax(0,1fr))}}
.gd-cards article{padding:24px 22px;border:1px solid var(--line);border-radius:20px;background:#fff}
.gd-cards .n{display:block;color:var(--acc);font-size:13px;font-weight:900;margin-bottom:14px}
.gd-cards h3{margin:0 0 8px;font-size:19px;color:var(--ink);font-weight:800}
.gd-cards p{margin:0;color:var(--sub);font-size:15px;line-height:1.65}
.gd-cards u{text-decoration:none;color:var(--acc);font-weight:700}
.gd-steps{list-style:none;counter-reset:s;margin:36px 0 0;padding:0;display:grid;gap:12px}
@media (min-width:900px){.gd-steps{grid-template-columns:repeat(4,minmax(0,1fr))}}
.gd-steps li{counter-increment:s;position:relative;padding:22px 20px 20px;border-radius:18px;background:#fff;border:1px solid var(--line)}
.gd-steps li::before{content:counter(s);display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;background:var(--ink);color:#fff;font-weight:800;font-size:14px;margin-bottom:12px}
.gd-steps b{display:block;font-size:17px;color:var(--ink);margin-bottom:6px}
.gd-steps span{color:var(--sub);font-size:14.5px;line-height:1.6}
#faq details{border-bottom:1px solid var(--line)}
#faq details:first-of-type{margin-top:28px;border-top:1px solid var(--ink)}
#faq summary{list-style:none;cursor:pointer;padding:20px 32px 20px 0;position:relative;font-weight:700;color:var(--ink);font-size:16.5px}
#faq summary::-webkit-details-marker{display:none}
#faq summary::after{content:"+";position:absolute;right:4px;top:16px;font-size:24px;font-weight:400;color:var(--mute)}
#faq details[open] summary::after{content:"−"}
#faq details p{margin:0 0 20px;color:var(--sub)}

/* 문의 */
.gd-inq{display:grid;gap:32px}
@media (min-width:900px){.gd-inq{grid-template-columns:1fr 1.1fr;gap:64px;align-items:start}}
.gd-inq-txt p{color:#bdbdbd;font-size:16px}
.gd-form{display:grid;gap:14px;padding:24px 20px;border-radius:22px;background:#fff;color:var(--txt)}
@media (min-width:600px){.gd-form{padding:32px 30px}}
.gd-form label{display:grid;gap:6px}
.gd-form label > span{font-size:14px;font-weight:700;color:var(--ink)}
.gd-form label > span i{font-style:normal;color:var(--acc)}
.gd-form input[type=text],.gd-form input[type=tel],.gd-form input[type=email],.gd-form input[type=password],.gd-form textarea{width:100%;height:50px;padding:0 14px;border:1px solid #dcd8d2;border-radius:12px;background:#fff;outline:none;font-size:16px}
.gd-form textarea{height:auto;padding:12px 14px;resize:vertical;line-height:1.6}
.gd-form input:focus,.gd-form textarea:focus{border-color:var(--ink)}
.gd-form small{color:var(--mute);font-size:12.5px}
.gd-form small.ok{color:#1a7f45}.gd-form small.bad{color:#c62828}
.gd-row2,.gd-row3{display:grid;gap:14px}
@media (min-width:600px){.gd-row2{grid-template-columns:1fr 1fr}.gd-row3{grid-template-columns:1fr 1.4fr 1fr}}
.gd-hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.gd-agree{font-size:14px;color:var(--sub)}
.gd-agree > label{display:flex;align-items:flex-start;gap:10px;cursor:pointer}
.gd-agree input[type=checkbox]{-webkit-appearance:none;appearance:none;flex:none;width:22px;height:22px;margin:0;border:1.5px solid #cfcac3;border-radius:4px;background:#fff;cursor:pointer}
.gd-agree input[type=checkbox]:checked{border-color:var(--ink);background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23141414' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center/80% no-repeat}
/* 글은 <em> 한 덩어리로 — 글 · 링크가 따로 flex 칸이 되어 사이가 벌어지던 것 (2026-11-03 «약관동의부분 스타일 깨짐») */
.gd-agree > label > em{flex:1;min-width:0;font-style:normal;line-height:1.6;padding-top:1px}
.gd-agree a{text-decoration:underline;text-underline-offset:3px;color:var(--ink)}
.gd-agree details{margin:6px 0 0 32px}
.gd-agree summary{cursor:pointer;color:var(--sub);text-decoration:underline;text-underline-offset:3px;font-size:13px;display:inline}
.gd-agree details p{margin:8px 0 0;padding:12px 14px;border-radius:10px;background:var(--soft);font-size:13px;line-height:1.7}
.gd-sent{text-align:center;padding:40px 24px}
.gd-sent b{display:block;font-size:20px;color:var(--ink);margin-bottom:8px}
.gd-sent p{color:var(--sub);margin:0 0 18px}

/* 가입 · 로그인 · 문서 */
.gd-page{padding-top:36px;padding-bottom:72px}
.gd-h1{margin:0 0 6px;font-size:28px;font-weight:900;color:var(--ink);letter-spacing:-1px}
.gd-muted{color:var(--mute);font-size:14px}
.gd-join{margin-top:20px;border:1px solid var(--line)}
.gd-join fieldset{margin:0;padding:0 0 18px;border:0;border-bottom:1px solid var(--line);display:grid;gap:14px}
.gd-join fieldset:last-of-type{border-bottom:0}
.gd-join legend{padding:0 0 10px;font-size:15px;font-weight:800;color:var(--acc)}
.gd-join legend small{color:var(--mute);font-weight:500}
.gd-join legend i{font-style:normal}
/* 가입 유형 — 개인 · 사업자 (2026-11-03) */
.gd-kind{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.gd-form .gd-kind label{position:relative;display:block;cursor:pointer}
.gd-kind input{position:absolute;top:0;left:0;width:1px;height:1px;opacity:0}
.gd-form .gd-kind label > span{display:grid;gap:2px;padding:14px 10px;border:1.5px solid #dcd8d2;border-radius:14px;background:#fff;text-align:center;font-weight:500;transition:border-color .15s,background .15s}
.gd-kind b{font-size:17px;color:var(--ink)}
.gd-kind small{font-size:12.5px;color:var(--mute)}
.gd-form .gd-kind input:checked + span{border-color:var(--acc);background:#fff5f0;box-shadow:inset 0 0 0 1px var(--acc)}
.gd-kind input:checked + span b{color:var(--acc-ink)}
.gd-kind input:focus-visible + span{outline:2px solid var(--ink);outline-offset:2px}
.gd-tax{display:grid;gap:12px;padding:16px;border-radius:14px;background:var(--soft);font-size:14px;line-height:1.65;color:var(--sub)}
.gd-tax[hidden]{display:none}
.gd-tax > b{color:var(--ink);font-size:14.5px}
.gd-tax ul{display:grid;gap:6px;margin:0;padding-left:18px}
.gd-tax li b{color:var(--ink)}
.gd-tax li span{display:block;color:var(--mute);font-size:13px}
.gd-form .gd-tax-note{color:var(--mute)}
.gd-slug{display:flex;align-items:center;border:1px solid #dcd8d2;border-radius:12px;overflow:hidden}
.gd-slug em{padding:0 4px 0 14px;font-style:normal;color:var(--mute);white-space:nowrap;font-size:15px}
.gd-form .gd-slug input{border:0;border-radius:0;padding-left:0;min-width:0}
.gd-login{max-width:420px;margin:24px auto 0;border:1px solid var(--line)}
.gd-done{margin-top:40px;padding:40px 24px;border:1px solid var(--line);border-radius:22px;text-align:center}
.gd-done b{display:block;font-size:21px;color:var(--ink);margin-bottom:10px}
.gd-done p{color:var(--sub)}
.gd-empty{padding:120px 16px;text-align:center}
.gd-empty b{display:block;font-size:20px;color:var(--ink);margin-bottom:14px}
.gd-empty a{text-decoration:underline;text-underline-offset:3px;color:var(--sub)}
.gd-doc-body{margin-top:24px;font-size:15px;line-height:1.85;color:var(--txt)}

/* 꼬리 */
.gd-ft{padding:40px 0 48px;background:#fafafa;border-top:1px solid var(--line);font-size:13px;color:var(--mute);line-height:1.8}
.gd-ft-brand{margin:0 0 6px;color:var(--sub)}
.gd-ft-brand img{display:inline-block;height:20px;width:auto;vertical-align:-4px;margin-right:4px}
.gd-ft-links a{text-decoration:underline;text-underline-offset:3px}
.gd-ft-links b{color:var(--sub)}