@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.css');

:root{
  --navy: #0f1729;
  --navy-2: #16213a;
  --indigo: #4f5fef;
  --indigo-light: #eef0ff;
  --amber-bg: #fef6dd;
  --amber-text: #8a6d1a;
  --blue-bg: #eaf1ff;
  --text: #1a2033;
  --text-sub: #5b6478;
  --border: #e6e8f0;
  --bg: #ffffff;
  --bg-alt: #f7f8fc;
}

*{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin:0;
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Malgun Gothic', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.container{
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

.narrow{ max-width: 760px; }

/* NAV */
.nav{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-inner{
  max-width: 1080px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand{
  font-weight: 800;
  font-size: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--navy);
}
.brand .dot{
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--indigo);
  display: inline-block;
}
.brand.small{ font-size: 14px; }

/* BUTTONS */
.btn{
  display: inline-block;
  text-decoration: none;
  font-weight: 700;
  border-radius: 10px;
  transition: transform .15s ease, box-shadow .15s ease, opacity .15s ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn-nav{
  background: var(--navy);
  color: #fff;
  padding: 10px 18px;
  font-size: 14px;
}
.btn-primary{
  background: var(--indigo);
  color: #fff;
  padding: 16px 28px;
  font-size: 16px;
  box-shadow: 0 8px 24px rgba(79,95,239,0.3);
}
.btn-lg{
  padding: 18px 36px;
  font-size: 17px;
}

/* HERO */
.hero{
  padding: 96px 0 72px;
  background:
    radial-gradient(circle at 15% 20%, rgba(79,95,239,0.08), transparent 40%),
    radial-gradient(circle at 85% 10%, rgba(79,95,239,0.06), transparent 45%),
    #ffffff;
  text-align: center;
}
.badge{
  display: inline-block;
  background: var(--indigo-light);
  color: var(--indigo);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 24px;
}
.hero h1{
  font-size: 42px;
  line-height: 1.35;
  font-weight: 800;
  color: var(--navy);
  margin: 0 0 24px;
  letter-spacing: -0.5px;
}
.hero .accent{ color: var(--indigo); }
.lead{
  font-size: 17px;
  color: var(--text-sub);
  max-width: 620px;
  margin: 0 auto 40px;
}
.cta-row{
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.cta-note{
  font-size: 14px;
  color: var(--text-sub);
}
.cta-note strong{ color: var(--indigo); }

/* GENERIC SECTION */
.section{ padding: 88px 0; }
.section.alt{ background: var(--bg-alt); }
.eyebrow{
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--indigo);
  letter-spacing: 0.4px;
  margin-bottom: 12px;
}
.section h2{
  font-size: 30px;
  font-weight: 800;
  color: var(--navy);
  margin: 0 0 20px;
  line-height: 1.4;
}
.body-text{
  font-size: 16px;
  color: var(--text-sub);
  margin-bottom: 40px;
}

/* ICEBERG */
.iceberg{
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.iceberg-top{
  background: #f2f4fa;
  padding: 40px 24px;
  text-align: center;
}
.iceberg-tag{
  font-size: 12px;
  font-weight: 700;
  color: var(--text-sub);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.iceberg-title{
  font-size: 22px;
  font-weight: 800;
  color: var(--navy);
}
.iceberg-bottom{
  background: linear-gradient(180deg, #1c2b52, var(--navy));
  padding: 40px 24px 44px;
  color: #fff;
}
.iceberg-heading{
  text-align: center;
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 28px;
}
.iceberg-heading span{ color: #ffd54f; }
.burden-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.burden-item{
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 10px;
  padding: 16px 12px;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
}

/* USP GRID */
.usp-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.usp-card{
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 26px 22px;
}
.usp-num{
  font-size: 13px;
  font-weight: 800;
  color: var(--indigo);
  margin-bottom: 10px;
}
.usp-title{
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.usp-desc{
  font-size: 14px;
  color: var(--text-sub);
}

/* FAQ */
.faq details{
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 22px;
  margin-bottom: 14px;
  background: #fff;
}
.faq summary{
  font-weight: 700;
  font-size: 16px;
  color: var(--navy);
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 28px;
}
.faq summary::-webkit-details-marker{ display: none; }
.faq summary::after{
  content: '+';
  position: absolute;
  right: 0;
  top: 0;
  font-size: 20px;
  color: var(--indigo);
  transition: transform .2s ease;
}
.faq details[open] summary::after{ transform: rotate(45deg); }
.faq p{
  margin: 14px 0 0;
  font-size: 14px;
  color: var(--text-sub);
}

/* FINAL CTA */
.final-cta{
  padding: 96px 0;
  text-align: center;
  background: linear-gradient(180deg, var(--navy-2), var(--navy));
  color: #fff;
}
.final-cta h2{
  font-size: 32px;
  font-weight: 800;
  margin: 0 0 20px;
  line-height: 1.4;
}
.final-cta p{
  color: rgba(255,255,255,0.7);
  font-size: 15px;
  margin: 0 0 36px;
}

/* FOOTER */
.footer{
  padding: 32px 0;
  border-top: 1px solid var(--border);
}
.footer-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-text{
  font-size: 13px;
  color: var(--text-sub);
}
.footer-text a{
  color: var(--text-sub);
  text-decoration: underline;
}
.footer-text a:hover{
  color: var(--indigo);
}

/* IMAGE SECTIONS */
.center{ text-align: center; }
.img-wide{
  margin-top: 48px;
}
.img-wide img{
  width: 100%;
  height: auto;
  display: block;
  border-radius: 20px;
  box-shadow: 0 20px 50px rgba(15,23,41,0.12);
}
.img-grid-2{
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.img-grid-2 img{
  width: 100%;
  height: auto;
  display: block;
  border-radius: 20px;
  box-shadow: 0 20px 50px rgba(15,23,41,0.12);
}
.hero .img-wide{ margin-top: 56px; }
.usp-grid-3{ grid-template-columns: repeat(3, 1fr); }

/* TEXT SUPPLEMENTS (crawlable copies of key image content) */
.stat-compare{
  display: flex;
  gap: 20px;
  margin: 32px 0 24px;
}
.stat-compare-item{
  flex: 1;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 20px;
  text-align: center;
}
.stat-compare-item.dim{ opacity: 0.65; }
.stat-compare-label{
  font-size: 13px;
  font-weight: 700;
  color: var(--text-sub);
  margin-bottom: 8px;
}
.stat-compare-value{
  font-size: 22px;
  font-weight: 800;
  color: var(--navy);
}
.stat-compare-tag{
  display: inline-block;
  margin-top: 10px;
  font-size: 12px;
  font-weight: 700;
  color: var(--indigo);
  background: var(--indigo-light);
  padding: 4px 10px;
  border-radius: 999px;
}
.mini-steps{
  text-align: left;
  margin: 14px 0 0;
  padding-left: 20px;
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.9;
}

.info-list{
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.info-list li{
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  font-size: 14px;
  color: var(--text-sub);
}
.info-list li strong{
  display: block;
  margin-bottom: 4px;
  font-size: 15px;
  color: var(--navy);
}

.flow-steps{
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  counter-reset: flow;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.flow-steps li{
  counter-increment: flow;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 18px 14px 46px;
  font-size: 14px;
  color: var(--text-sub);
  position: relative;
}
.flow-steps li::before{
  content: counter(flow);
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--indigo);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.flow-steps li strong{ color: var(--navy); }

.usp-grid-4{ grid-template-columns: repeat(4, 1fr); }
.quote-card{ font-size: 13px; }
.quote-cite{
  display: block;
  margin-top: 10px;
  font-size: 12px;
  color: var(--indigo);
  font-weight: 600;
}

/* SCROLL REVEAL */
.reveal{
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s cubic-bezier(.16,.8,.24,1), transform 0.8s cubic-bezier(.16,.8,.24,1);
  transition-delay: var(--reveal-delay, 0s);
}
.reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce){
  .reveal{ transition: none; opacity: 1; transform: none; }
}

/* RESPONSIVE */
@media (max-width: 860px){
  .usp-grid{ grid-template-columns: repeat(2, 1fr); }
  .usp-grid-4{ grid-template-columns: repeat(2, 1fr); }
  .burden-grid{ grid-template-columns: repeat(2, 1fr); }
  .img-grid-2{ grid-template-columns: 1fr; }
  .stat-compare{ flex-direction: column; }
}
@media (max-width: 560px){
  .hero{ padding: 64px 0 48px; }
  .hero h1{ font-size: 30px; }
  .lead{ font-size: 15px; }
  .usp-grid{ grid-template-columns: 1fr; }
  .usp-grid-4{ grid-template-columns: 1fr; }
  .burden-grid{ grid-template-columns: 1fr 1fr; }
  .section{ padding: 56px 0; }
  .section h2{ font-size: 24px; }
  .final-cta h2{ font-size: 26px; }
}