:root{
  --bg:#f6f7f4;
  --surface:#fff;
  --ink:#17211d;
  --muted:#63706a;
  --line:#dce2dd;
  --accent:#087f6f;
  --accent-dark:#05685b;
  --warm:#f6b352;
  --soft:#eaf4f0;
  --danger:#b94040;
  --warn:#fff7e8;
  --warn-line:#efc16b;
  --shadow:0 18px 55px rgba(23,33,29,.12);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
a{color:inherit;text-decoration:none}
button,select,input,textarea{font:inherit}

.site-header{position:sticky;top:0;z-index:10;background:rgba(246,247,244,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
.nav{width:min(1200px,calc(100% - 32px));min-height:64px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;white-space:nowrap}
.brand-mark{display:grid;width:38px;height:38px;place-items:center;color:#fff;background:var(--accent);border-radius:8px;font-size:14px}
.nav-links{display:flex;gap:14px;color:var(--muted);font-size:15px;white-space:nowrap}

.hero,.features,.section-heading,.composer-layout{width:min(1200px,calc(100% - 32px));margin:0 auto}
.hero{padding:34px 0 30px;display:grid;grid-template-columns:1fr;gap:18px}
.eyebrow{margin:0 0 10px;color:var(--accent);font-size:14px;font-weight:800}
.hero h1{max-width:780px;margin:0;font-size:34px;line-height:1.12;letter-spacing:0}
.hero-copy{max-width:650px;margin:18px 0 0;color:var(--muted);font-size:17px}
.hero-actions{display:flex;flex-direction:column;gap:10px;margin-top:24px}
.primary-link,.secondary-link,.generate-button,.copy-button{border:0;border-radius:8px;font-family:inherit;font-weight:800;cursor:pointer;transition:background .2s ease,border-color .2s ease,opacity .2s ease,transform .2s ease}
.primary-link,.secondary-link{display:inline-flex;min-height:50px;align-items:center;justify-content:center;padding:0 18px;font-size:16px}
.primary-link,.generate-button{color:#fff;background:var(--accent)}
.primary-link:hover,.generate-button:hover{background:var(--accent-dark)}
.secondary-link{border:1px solid var(--line);background:var(--surface)}
button:disabled{cursor:not-allowed;opacity:.62;transform:none!important}

.hero-panel,.composer-form,.result-card,.features article{border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:var(--shadow)}
.hero-panel{padding:20px;box-shadow:none}
.panel-top{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:14px}
.status-dot{width:9px;height:9px;border-radius:50%;background:var(--warm)}
.sample-title{margin:18px 0 8px;font-size:21px;font-weight:800}
.hero-panel p:last-child{margin:0;color:var(--muted)}

.features{padding:8px 0 44px;display:grid;grid-template-columns:1fr;gap:16px}
.features article{padding:20px;box-shadow:none}
.features h2{margin:0 0 8px;font-size:19px}
.features p,.footer p{margin:0;color:var(--muted)}

.workspace-section{padding:42px 0;background:var(--soft);border-top:1px solid var(--line)}
.section-heading h2{margin:0 0 8px;font-size:32px;line-height:1.15;letter-spacing:0}
.section-heading .desc{margin:0 0 20px;color:var(--muted);font-size:16px}

.composer-layout{display:grid;grid-template-columns:1fr;gap:18px;align-items:start}
.composer-form{padding:18px;display:grid;grid-template-columns:1fr;gap:16px;box-shadow:none}
.right-col{display:grid;gap:16px}
label,label span{display:grid;gap:8px}
label span{color:var(--muted);font-size:14px;font-weight:800}
.wide{grid-column:1/-1}
select,input,textarea{width:100%;min-height:50px;border:1px solid var(--line);border-radius:8px;padding:12px 13px;color:var(--ink);background:#fff;font-size:16px;line-height:1.45}
textarea{min-height:148px;resize:vertical}
select:focus,input:focus,textarea:focus{outline:3px solid rgba(8,127,111,.18);border-color:var(--accent)}
.deadline-check{display:flex;align-items:center;gap:10px;margin-top:2px;color:var(--ink);font-weight:800;min-height:48px}
.deadline-check input{width:20px;min-width:20px;height:20px;min-height:20px}
.deadline-grid{display:grid;grid-template-columns:1fr;gap:12px;margin-top:0}
.generate-button{grid-column:1/-1;width:100%;min-height:54px;padding:0 18px;font-size:17px}
.status-box{grid-column:1/-1;display:none;margin:0;padding:12px 13px;border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--muted);font-size:15px;white-space:pre-wrap}
.status-box.show{display:block}
.status-box.warn{background:var(--warn);border-color:var(--warn-line);color:#74511a}
.status-box.error{background:#fff2f2;border-color:#e5b0b0;color:var(--danger)}

.result-card{overflow:hidden;box-shadow:none}
.result-head{min-height:60px;padding:12px 14px 12px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line)}
.result-head h3{margin:0;font-size:17px;line-height:1.25}
.copy-button{min-width:92px;min-height:44px;padding:0 13px;color:var(--accent);background:var(--soft);font-size:15px;white-space:nowrap}
.copy-button.done{color:#fff;background:var(--accent)}
pre{min-height:168px;margin:0;padding:16px;white-space:pre-wrap;word-break:keep-all;overflow-wrap:anywhere;color:#24312c;font-family:Arial,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;font-size:16px;line-height:1.72}
.empty{color:var(--muted)}

.footer{padding:26px 16px;text-align:center;background:var(--surface);border-top:1px solid var(--line)}
.footer p{width:min(1200px,100%);margin:0 auto}

@media(max-width:430px){
  .nav{width:calc(100% - 28px)}
  .brand span:last-child{font-size:15px}
  .nav-links{font-size:14px;gap:10px}
  .hero,.features,.section-heading,.composer-layout{width:calc(100% - 32px)}
  .hero h1{font-size:31px}
  .composer-form{padding:16px}
  .result-head{padding-left:14px}
  pre{padding:15px}
}

@media(min-width:700px){
  .hero-actions{flex-direction:row;align-items:center}
  .primary-link,.secondary-link{width:auto;min-width:148px}
  .features{grid-template-columns:repeat(3,1fr)}
  .composer-form{grid-template-columns:1fr 1fr}
  .deadline-grid{grid-template-columns:1fr 1fr}
}

@media(min-width:960px){
  .nav{min-height:68px}
  .hero{padding:64px 0 42px;grid-template-columns:minmax(0,1.16fr) minmax(300px,.84fr);align-items:center;gap:40px}
  .hero h1{font-size:clamp(48px,5vw,68px)}
  .hero-copy{font-size:19px}
  .features{padding-bottom:68px;gap:18px}
  .workspace-section{padding:64px 0}
  .section-heading h2{font-size:42px}
  .section-heading .desc{margin-bottom:26px}
  .composer-layout{grid-template-columns:minmax(360px,410px) minmax(0,1fr);gap:28px}
  .composer-form{padding:22px;gap:16px}
  .right-col{gap:18px}
}

@media(min-width:1280px){
  .composer-layout{grid-template-columns:400px minmax(0,1fr);gap:30px}
}

.target-custom{display:none}
label span em{font-style:normal;color:var(--muted);font-weight:700}