:root{
  --primary: #3D8B3D;
  --secondary: #B87333;
  --soft: rgba(61,139,61,.24);
  --bg: #0b0b10;
  --bg-2: #14141c;
  --card: rgba(255,255,255,0.04);
  --card-hover: rgba(255,255,255,0.06);
  --border: rgba(255,255,255,0.08);
  --text: #f5f5f7;
  --muted: #a0a0b0;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Pretendard","Apple SD Gothic Neo","Noto Sans KR",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.hero,.page{
  position:relative;
  min-height:100vh;
  padding:56px 20px 40px;
  overflow:hidden;
  background:radial-gradient(ellipse at top, var(--soft) 0%, transparent 55%), var(--bg);
}
.bg-orb{position:absolute;border-radius:50%;filter:blur(130px);opacity:.45;pointer-events:none}
.orb-1{top:-120px;left:-120px;width:420px;height:420px;background:var(--primary)}
.orb-2{bottom:-160px;right:-120px;width:520px;height:520px;background:var(--secondary)}

.container{position:relative;max-width:720px;margin:0 auto;z-index:1}

.brand{text-align:center;margin-bottom:44px}
.brand-tag{
  display:inline-block;padding:6px 14px;
  border:1px solid var(--border);border-radius:999px;
  font-size:12px;color:var(--muted);letter-spacing:.05em;margin-bottom:18px;
  background:rgba(255,255,255,.02);
}
.brand-name{
  font-size:clamp(28px,5vw,40px);font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(135deg, var(--text) 0%, var(--primary) 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  margin-bottom:12px;line-height:1.2;
}
.brand-desc{color:var(--muted);font-size:15px;max-width:520px;margin:0 auto;padding:0 12px}

.cta{display:flex;flex-direction:column;gap:14px;margin-bottom:52px}
.cta-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:18px;padding:22px;backdrop-filter:blur(10px);
}
.cta-label{font-size:13px;color:var(--muted);margin-bottom:14px;text-align:center;letter-spacing:.02em}
.btn{
  display:flex;align-items:center;justify-content:space-between;
  width:100%;padding:18px 22px;border-radius:14px;
  font-size:16px;font-weight:700;
  transition:transform .15s ease, box-shadow .25s ease, border-color .15s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 28px -10px var(--primary)}
.btn-primary:hover{box-shadow:0 14px 36px -8px var(--primary)}
.btn-secondary{background:rgba(255,255,255,.02);color:var(--text);border:1px solid var(--border)}
.btn-secondary:hover{border-color:var(--primary)}
.btn-url{font-family:"SF Mono",Menlo,Consolas,monospace;font-size:15px;letter-spacing:.01em}
.btn-arrow{font-weight:400;opacity:.7;font-size:18px}

.faq{margin-bottom:48px}
.faq h2{font-size:22px;margin-bottom:18px;font-weight:700;letter-spacing:-.01em}
.faq details{
  background:var(--card);border:1px solid var(--border);
  border-radius:14px;margin-bottom:10px;overflow:hidden;
  transition:background .15s ease;
}
.faq details:hover{background:var(--card-hover)}
.faq summary{
  padding:18px 50px 18px 20px;cursor:pointer;
  font-weight:600;font-size:15px;list-style:none;position:relative;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:20px;top:50%;
  transform:translateY(-50%);font-size:22px;color:var(--primary);
  transition:transform .2s ease;
}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq details p{padding:0 20px 18px;color:var(--muted);font-size:14px;line-height:1.75}

.site-footer{
  border-top:1px solid var(--border);padding-top:22px;
  text-align:center;color:var(--muted);font-size:13px;
}
.site-footer nav{margin-bottom:10px}
.site-footer nav a{color:var(--muted);font-size:12px;transition:color .15s ease}
.site-footer nav a:hover{color:var(--primary)}
.site-footer .sep{margin:0 8px;opacity:.4}
.copyright{font-size:11px;opacity:.55}

.page-header{margin-bottom:28px;text-align:center}
.back-link{
  display:inline-block;color:var(--muted);font-size:13px;
  margin-bottom:16px;transition:color .15s ease;
}
.back-link:hover{color:var(--primary)}
.page-header h1{font-size:clamp(24px,4vw,32px);font-weight:800;letter-spacing:-.02em;line-height:1.25}

.prose{
  background:var(--card);border:1px solid var(--border);
  border-radius:18px;padding:30px;margin-bottom:28px;
}
.prose h2{font-size:17px;margin:22px 0 10px;color:var(--primary);font-weight:700}
.prose h2:first-child{margin-top:0}
.prose p{margin-bottom:14px;color:#d0d0d8;font-size:15px;line-height:1.85}

.contact-list{list-style:none;padding:0;margin-bottom:28px}
.contact-list li{
  background:var(--card);border:1px solid var(--border);
  border-radius:14px;padding:18px 20px;margin-bottom:10px;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;
}
.contact-list .label{color:var(--muted);font-size:13px}
.contact-list .value{font-weight:600;font-size:15px}
.contact-list a.value{color:var(--primary)}
.contact-list a.value:hover{text-decoration:underline}

@media (max-width:520px){
  .hero,.page{padding:36px 16px 28px}
  .prose{padding:22px}
  .btn{padding:16px 18px;font-size:15px}
  .cta-card{padding:18px}
  .brand{margin-bottom:32px}
  .cta{margin-bottom:40px}
  .faq h2{font-size:20px}
  .contact-list li{flex-direction:column;align-items:flex-start}
}

/* v3 (Option B expansion) — intro / links grid / info cards / notice / breadcrumb */
.intro{margin-bottom:48px}
.intro h2{font-size:22px;margin-bottom:16px;font-weight:700;letter-spacing:-.01em}
.intro p{color:var(--text);opacity:.88;margin-bottom:14px;font-size:15px;line-height:1.75}
.intro p:last-child{margin-bottom:0}
.intro strong{color:var(--primary);font-weight:700}

.links{margin-bottom:48px}
.links h2{font-size:22px;margin-bottom:18px;font-weight:700;letter-spacing:-.01em}
.link-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.link-card{
  display:flex;flex-direction:column;align-items:flex-start;gap:10px;
  padding:20px 18px;border-radius:16px;
  background:var(--card);border:1px solid var(--border);
  transition:transform .15s ease, border-color .15s ease, background .15s ease;
}
.link-card:hover{transform:translateY(-3px);border-color:var(--primary);background:var(--card-hover)}
.link-icon{width:28px;height:28px;color:var(--primary);flex-shrink:0}
.link-title{font-size:16px;font-weight:700;color:var(--text)}
.link-desc{font-size:13px;color:var(--muted);line-height:1.5}

.breadcrumb{margin-bottom:24px;font-size:13px;color:var(--muted)}
.breadcrumb a{color:var(--primary);border-bottom:1px dashed rgba(255,255,255,.15)}
.breadcrumb a:hover{border-bottom-style:solid}
.breadcrumb span[aria-current]{color:var(--text)}

.cards{display:grid;grid-template-columns:1fr;gap:16px;margin-bottom:40px}
.info-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:16px;padding:24px 22px;
}
.info-card h2{font-size:18px;font-weight:700;margin-bottom:12px;letter-spacing:-.01em}
.info-card p,.info-card li{color:var(--text);opacity:.88;font-size:14.5px;line-height:1.72}
.info-card p{margin-bottom:8px}
.info-card p:last-child{margin-bottom:0}
.info-card ol,.info-card ul{padding-left:20px;margin:8px 0}
.info-card ol li,.info-card ul li{margin-bottom:6px}
.info-card a{color:var(--primary);border-bottom:1px dashed rgba(255,255,255,.15)}
.info-card a:hover{border-bottom-style:solid}
.info-card strong{color:var(--primary);font-weight:700}

.notice{
  background:rgba(255,204,128,.06);border:1px solid rgba(255,204,128,.24);
  border-radius:12px;padding:14px 18px;margin-bottom:40px;
  font-size:13.5px;color:#c5e0a0;line-height:1.6;
}
.notice strong{color:#a8dda8}

.faq details a{color:var(--primary);border-bottom:1px dashed rgba(255,255,255,.15)}
.faq details a:hover{border-bottom-style:solid}

@media (max-width:520px){
  .hero,.page{padding:36px 16px 28px}
  .prose{padding:22px}
  .btn{padding:16px 18px;font-size:15px}
  .cta-card{padding:18px}
  .brand{margin-bottom:32px}
  .cta{margin-bottom:40px}
  .faq h2{font-size:20px}
  .contact-list li{flex-direction:column;align-items:flex-start}
  .link-grid{grid-template-columns:1fr}
  .info-card{padding:20px 18px}
  .intro p{font-size:14.5px}
}
/* ========== v4 리디자인 (2026-09-25) — 메인처럼 이쁘게 ========== */

.container-wide{position:relative;max-width:1080px;margin:0 auto;z-index:1;padding:0 4px}

.hero-visual{
  position:relative;height:clamp(280px,42vw,440px);
  border-radius:24px;overflow:hidden;margin-bottom:40px;
  border:1px solid var(--border);
  background:linear-gradient(135deg,#111 0%,#0a0a12 100%);
}
.hero-visual::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,11,16,.15) 0%,rgba(11,11,16,.85) 100%);
  z-index:2;
}
.hero-visual img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  filter:saturate(1.1) brightness(.72);z-index:1;
}
.hero-visual .hero-caption{position:absolute;left:32px;right:32px;bottom:28px;z-index:3}
.hero-visual .hero-eyebrow{
  display:inline-block;padding:5px 12px;font-size:11px;font-weight:700;letter-spacing:.15em;
  background:var(--primary);color:#0a0a10;border-radius:999px;margin-bottom:12px;
}
.hero-visual .hero-title{
  font-size:clamp(24px,4.2vw,38px);font-weight:800;letter-spacing:-.02em;line-height:1.2;
  text-shadow:0 6px 24px rgba(0,0,0,.6);margin-bottom:8px;
}
.hero-visual .hero-sub{color:#e0e0e8;font-size:15px;line-height:1.6;text-shadow:0 3px 12px rgba(0,0,0,.5);max-width:640px}

.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:44px}
.stat-card{
  background:linear-gradient(135deg,rgba(61,139,61,.06) 0%,rgba(184,115,51,.06) 100%);
  border:1px solid var(--border);border-radius:16px;padding:22px 16px;
  text-align:center;transition:transform .15s ease, border-color .15s ease;
}
.stat-card:hover{transform:translateY(-3px);border-color:var(--primary)}
.stat-number{
  font-size:32px;font-weight:800;letter-spacing:-.02em;line-height:1;
  background:linear-gradient(135deg,var(--primary) 0%,#a8dda8 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  margin-bottom:6px;
}
.stat-label{font-size:12.5px;color:var(--muted);letter-spacing:.02em}

.section-title{
  display:flex;align-items:baseline;gap:14px;margin-bottom:22px;
  padding-bottom:14px;border-bottom:1px solid var(--border);
}
.section-title h2{font-size:clamp(22px,3.2vw,28px);font-weight:800;letter-spacing:-.02em}
.section-title .section-num{font-family:"SF Mono",monospace;font-size:14px;font-weight:700;color:var(--primary);opacity:.7}
.section-title .section-tag{margin-left:auto;font-size:12px;color:var(--muted);letter-spacing:.05em}

.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin-bottom:44px}
.feature-card-lg{
  background:var(--card);border:1px solid var(--border);border-radius:20px;
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.feature-card-lg:hover{
  transform:translateY(-4px);border-color:var(--primary);
  box-shadow:0 20px 40px -20px rgba(61,139,61,.3);
}
.feature-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0a0a12}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.feature-card-lg:hover .feature-media img{transform:scale(1.05)}
.feature-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(11,11,16,.55) 100%);
}
.feature-body{padding:22px 22px 24px;flex:1;display:flex;flex-direction:column}
.feature-eyebrow{font-size:11px;font-weight:700;letter-spacing:.12em;color:var(--primary);margin-bottom:10px;text-transform:uppercase}
.feature-title{font-size:18px;font-weight:800;margin-bottom:12px;letter-spacing:-.01em;line-height:1.35}
.feature-desc{color:var(--muted);font-size:14.5px;line-height:1.7;flex:1}
.feature-desc strong{color:#c5e0a0;font-weight:700}
.feature-desc ul{margin-top:10px;padding-left:18px}
.feature-desc li{margin-bottom:5px}
.feature-tags{margin-top:14px;display:flex;flex-wrap:wrap;gap:6px}
.feature-tag{
  font-size:11.5px;padding:4px 10px;border-radius:999px;
  background:rgba(61,139,61,.08);color:#c5e0a0;border:1px solid rgba(61,139,61,.18);
}

.step-list{margin-bottom:44px;counter-reset:step}
.step-item{
  display:flex;gap:22px;padding:22px 24px;
  background:var(--card);border:1px solid var(--border);border-radius:16px;
  margin-bottom:12px;position:relative;
}
.step-item::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  font-family:"SF Mono",monospace;font-size:26px;font-weight:800;
  color:var(--primary);opacity:.85;line-height:1;flex-shrink:0;min-width:44px;
}
.step-body h3{font-size:16px;font-weight:700;margin-bottom:6px;letter-spacing:-.01em}
.step-body p{color:var(--muted);font-size:14px;line-height:1.7}
.step-body strong{color:#c5e0a0}

.tier-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-bottom:44px}
.tier-card{
  background:var(--card);border:1px solid var(--border);border-radius:16px;
  padding:22px 18px;text-align:center;position:relative;overflow:hidden;
}
.tier-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--tier-color,var(--primary));
}
.tier-card.tier-vip{--tier-color:#ffd700}
.tier-card.tier-gold{--tier-color:#f5c84b}
.tier-card.tier-silver{--tier-color:#c0c8d4}
.tier-card.tier-bronze{--tier-color:#cd7f32}
.tier-name{font-size:16px;font-weight:800;color:var(--tier-color);margin-bottom:10px;letter-spacing:.02em}
.tier-desc{font-size:13.5px;color:var(--muted);line-height:1.6}

.provider-strip{
  background:linear-gradient(135deg,rgba(255,255,255,.02) 0%,rgba(184,115,51,.04) 100%);
  border:1px solid var(--border);border-radius:16px;padding:24px;margin-bottom:44px;
}
.provider-strip h3{font-size:14px;color:var(--muted);text-align:center;margin-bottom:16px;letter-spacing:.05em;font-weight:600}
.provider-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}
.provider-item{
  text-align:center;padding:10px 8px;border-radius:8px;
  background:rgba(255,255,255,.02);
  font-size:13px;font-weight:600;color:#c8c8d0;letter-spacing:.02em;
}

.cta-large{
  position:relative;background:linear-gradient(135deg,rgba(61,139,61,.10) 0%,rgba(184,115,51,.15) 100%);
  border:1px solid rgba(61,139,61,.24);border-radius:22px;
  padding:36px 28px;text-align:center;margin-bottom:44px;overflow:hidden;
}
.cta-large::before{
  content:"";position:absolute;top:-40%;left:-20%;width:60%;height:180%;
  background:radial-gradient(circle,rgba(61,139,61,.15) 0%,transparent 60%);
  animation:cta-shine 12s ease-in-out infinite;
}
@keyframes cta-shine{
  0%,100%{transform:translate(0,0)}
  50%{transform:translate(160%,-20%)}
}
.cta-large .cta-large-title{font-size:22px;font-weight:800;letter-spacing:-.01em;margin-bottom:10px;position:relative}
.cta-large .cta-large-sub{color:var(--muted);font-size:14px;margin-bottom:20px;position:relative}
.cta-large .cta-large-btns{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;position:relative}
.cta-large .btn{max-width:280px}

.highlight-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin-bottom:44px}
.highlight-card{
  padding:22px 20px;border-radius:14px;
  background:var(--card);border:1px solid var(--border);
  display:flex;gap:14px;align-items:flex-start;
}
.highlight-icon{
  width:38px;height:38px;border-radius:10px;flex-shrink:0;
  background:rgba(61,139,61,.10);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
}
.highlight-icon svg{width:22px;height:22px}
.highlight-title{font-size:15px;font-weight:700;margin-bottom:4px}
.highlight-desc{font-size:13px;color:var(--muted);line-height:1.6}

@media (max-width:520px){
  .container-wide{padding:0 2px}
  .hero-visual{border-radius:18px;margin-bottom:32px}
  .hero-visual .hero-caption{left:20px;right:20px;bottom:20px}
  .stat-card{padding:18px 12px}
  .stat-number{font-size:26px}
  .feature-body{padding:18px 18px 20px}
  .step-item{padding:18px 18px;gap:16px}
  .step-item::before{font-size:22px;min-width:36px}
  .cta-large{padding:28px 20px}
}

/* ========== v4b — 이미지 없이 (2026-09-26) ========== */

/* hero-visual gradient variant (이미지 없음) */
.hero-visual.hero-gradient{
  background:
    radial-gradient(circle at 20% 30%, rgba(61,139,61,.28) 0%, transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(184,115,51,.35) 0%, transparent 50%),
    linear-gradient(135deg,#141828 0%,#0a0e18 100%);
}
.hero-visual.hero-gradient::before{
  background:
    linear-gradient(180deg,rgba(11,11,16,.10) 0%,rgba(11,11,16,.55) 100%),
    repeating-linear-gradient(45deg,transparent 0,transparent 12px,rgba(255,255,255,.015) 12px,rgba(255,255,255,.015) 24px);
}
.hero-visual.hero-gradient .hero-glyph{
  position:absolute;right:8%;top:14%;font-size:clamp(80px,15vw,180px);
  opacity:.1;z-index:1;line-height:1;letter-spacing:-.06em;font-weight:800;
  background:linear-gradient(135deg,var(--primary),transparent);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}

/* feature-card-lg no-image variant */
.feature-card-lg.no-image .feature-media{display:none}
.feature-card-lg.no-image{border-radius:16px}
.feature-card-lg.no-image .feature-body{padding:26px 24px 26px;position:relative}
.feature-card-lg.no-image .feature-body::before{
  content:"";position:absolute;top:0;left:0;width:60px;height:3px;
  background:linear-gradient(90deg,var(--primary),transparent);
}
.feature-card-lg.no-image .feature-icon-lg{
  width:44px;height:44px;border-radius:12px;
  background:linear-gradient(135deg,rgba(61,139,61,.15),rgba(184,115,51,.15));
  color:var(--primary);display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;
}
.feature-card-lg.no-image .feature-icon-lg svg{width:24px;height:24px}
.feature-card-lg.no-image:hover{transform:translateY(-3px)}

/* ribbon (신뢰 배너) */
.trust-ribbon{
  background:linear-gradient(90deg,rgba(61,139,61,.08),rgba(184,115,51,.08),rgba(61,139,61,.08));
  border:1px solid rgba(61,139,61,.20);border-radius:14px;
  padding:16px 22px;margin-bottom:36px;
  display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:center;
  font-size:13.5px;color:#e0e0e8;
}
.trust-ribbon .rb-item{display:flex;align-items:center;gap:8px;font-weight:600}
.trust-ribbon .rb-check{color:var(--primary);font-weight:800}
.trust-ribbon .rb-sep{opacity:.3}