:root{
  --purple:#401EAF;
  --purple-2:#5c36d8;
  --purple-soft:#f5f2ff;
  --lime:#CBCB73;
  --ink:#151224;
  --muted:#6e6880;
  --line:#e8e3f2;
  --white:#fff;
  --dark:#161126;
  --radius:22px;
  --shadow:0 20px 50px rgba(44,27,92,.10);
}
*{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:#fff;
  line-height:1.65;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1160px,calc(100% - 40px));margin:auto}
.narrow{width:min(900px,calc(100% - 40px))}
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(64,30,175,.08)
}
.nav-wrap{height:78px;display:flex;align-items:center;gap:32px}
.brand{display:flex;align-items:center;height:100%}
.brand img{width:148px;height:auto;max-height:54px;object-fit:contain}
.desktop-nav{display:flex;gap:30px;margin-left:auto;font-weight:700;font-size:14px}
.desktop-nav a:hover{color:var(--purple)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:0 22px;border-radius:14px;
  font-weight:800;transition:.2s ease;border:1px solid transparent;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--purple);color:white;box-shadow:0 10px 25px rgba(64,30,175,.18)}
.btn-outline{border-color:rgba(64,30,175,.2);color:var(--purple);background:white}
.btn-kakao{background:#FEE500;color:#191919;border-color:#FEE500;box-shadow:0 10px 24px rgba(254,229,0,.25)}
.btn-kakao::before{content:"TALK";display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;margin-right:9px;border-radius:50%;background:#191919;color:#FEE500;font-size:8px;font-weight:900}
.btn-kakao:hover{background:#f4dc00;border-color:#f4dc00}

.btn-lime{background:var(--lime);color:#1d1830}
.btn.large{min-height:58px;padding:0 30px}
.menu-btn{display:none;margin-left:auto;border:0;background:none;font-size:26px}
.mobile-nav{padding:10px 20px 20px;background:white;border-top:1px solid var(--line)}
.mobile-nav a{display:block;padding:12px 0;font-weight:700}
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#f8f6ff 0%,#fff 60%);
  padding:90px 0 100px
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:center}
.eyebrow{
  display:inline-block;color:var(--purple);font-size:14px;font-weight:900;
  letter-spacing:.04em;margin-bottom:16px
}
.eyebrow::before{content:"— ";font-weight:900}
.eyebrow.lime{color:var(--lime)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(42px,5vw,72px);line-height:1.12;letter-spacing:-.045em;margin-bottom:24px}
h1 strong{color:var(--purple)}
h2{font-size:clamp(34px,4.1vw,56px);line-height:1.18;letter-spacing:-.04em;margin-bottom:24px}
h2 strong{color:var(--lime)}
h3{font-size:22px;line-height:1.3;letter-spacing:-.02em}
.hero-copy,.lead{font-size:19px;color:var(--muted);max-width:760px}
.hero-actions{display:flex;gap:12px;margin:34px 0 28px;flex-wrap:wrap}
.trust-row{display:flex;gap:12px;flex-wrap:wrap}
.trust-row span,.supply-tags span{
  border:1px solid var(--line);background:white;padding:9px 14px;border-radius:999px;
  font-size:14px;font-weight:800
}
.hero-card{
  background:var(--purple);color:white;border-radius:28px;padding:36px;
  box-shadow:0 30px 80px rgba(64,30,175,.25);position:relative;z-index:2
}
.mini-label{font-size:13px;font-weight:900;opacity:.78;text-transform:none}
.big-quote{font-size:34px;line-height:1.3;font-weight:900;margin:18px 0 30px}
.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.metric-grid div{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.12);padding:18px;border-radius:16px}
.metric-grid b{display:block;color:var(--lime);font-size:24px}
.metric-grid span{font-size:14px}
.hero-shape{position:absolute;border-radius:999px;background:var(--purple);opacity:.06}
.shape-a{width:420px;height:420px;right:-120px;top:-120px}
.shape-b{width:180px;height:180px;left:-70px;bottom:-70px;background:var(--lime);opacity:.18}
.section{padding:110px 0}
.soft{background:var(--purple-soft)}
.cards{display:grid;gap:20px;margin-top:48px}
.cards.three{grid-template-columns:repeat(3,1fr)}
.cards.four{grid-template-columns:repeat(4,1fr)}
.card{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;background:white;box-shadow:0 10px 30px rgba(46,33,95,.04)
}
.card-num{display:inline-block;color:var(--purple);font-size:28px;font-weight:900;margin-bottom:36px}
.card p{color:var(--muted);margin-bottom:0}
.feature .pill{
  display:inline-block;padding:8px 12px;border-radius:999px;
  background:var(--purple-soft);color:var(--purple);font-size:13px;font-weight:900;margin-bottom:28px
}
.band-dark,.process,.final-cta{background:var(--dark);color:white}
.band-dark{padding:105px 0}
.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.dark-copy{font-size:19px;color:#c9c4d8}
.dark-copy strong{color:var(--lime)}
.process{background:linear-gradient(135deg,#171226,#241a42)}
.light{color:#cbc6d6}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:52px}
.step{padding:28px;border-radius:20px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1)}
.step b{color:var(--lime);font-size:24px}
.step p{color:#c8c2d7;margin-bottom:0}
.supply-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center}
.supply-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.cta-card{padding:38px;border-radius:24px;background:var(--purple);color:white;box-shadow:var(--shadow)}
.cta-card h3{font-size:30px;margin:10px 0 10px}
.cta-card p{color:#e9e4ff}
.cta-card .btn{width:100%;margin-top:14px}
.philosophy{text-align:center}
.story{max-width:820px;margin:36px auto 0;font-size:20px;color:var(--muted)}
.story strong{display:block;margin-top:26px;color:var(--purple);font-size:24px}
.faq-list{margin-top:40px}
details{background:white;border:1px solid var(--line);border-radius:16px;padding:0 22px;margin-bottom:12px}
summary{cursor:pointer;list-style:none;font-weight:900;padding:22px 30px 22px 0;position:relative}
summary::after{content:"+";position:absolute;right:0;color:var(--purple);font-size:22px}
details[open] summary::after{content:"−"}
details p{color:var(--muted);padding:0 0 22px;margin:0}
.final-cta{padding:78px 0}
.final-grid{display:flex;align-items:center;justify-content:space-between;gap:30px}
.final-cta h2{margin-bottom:12px}
.final-cta p{color:#cbc6d6;margin-bottom:0}
footer{padding:34px 0;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:center}
.footer-logo{width:110px}
.footer-grid p{margin:2px 0 0;color:var(--muted);font-size:14px}
.footer-links{display:flex;gap:16px;font-size:14px;font-weight:800}
.floating-kakao{
  position:fixed;right:22px;bottom:22px;z-index:40;
  background:#FEE500;color:#191919;font-weight:900;
  padding:14px 18px;border-radius:999px;box-shadow:0 15px 35px rgba(0,0,0,.15)
}
.floating-kakao::before{content:"TALK";display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;margin-right:8px;border-radius:50%;background:#191919;color:#FEE500;font-size:7px;font-weight:900;vertical-align:middle}
@media (max-width:900px){
  .desktop-nav,.nav-cta{display:none}
  .menu-btn{display:block}
  .hero{padding:60px 0 70px}
  .hero-grid,.split,.supply-grid{grid-template-columns:1fr}
  .hero-grid{gap:34px}
  .cards.three,.cards.four,.process-grid{grid-template-columns:1fr 1fr}
  .section{padding:80px 0}
  .final-grid{display:block}
  .final-grid .btn{margin-top:22px}
}
@media (max-width:620px){
  .container,.narrow{width:min(100% - 28px,1160px)}
  .nav-wrap{height:68px}
  .brand img{width:128px;max-height:46px}
  h1{font-size:42px}
  h2{font-size:34px}
  .hero-copy,.lead{font-size:17px}
  .cards.three,.cards.four,.process-grid,.metric-grid{grid-template-columns:1fr}
  .hero-card{padding:26px}
  .big-quote{font-size:28px}
  .section{padding:68px 0}
  .card{padding:24px}
  .card-num{margin-bottom:22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-links{flex-wrap:wrap}
  .floating-kakao{right:14px;bottom:14px}
}

.btn-kakao{
  background:#FEE500 !important;
  color:#191919 !important;
  border-color:#FEE500 !important;
  box-shadow:0 10px 24px rgba(254,229,0,.25);
}
.btn-kakao:hover{
  background:#f4dc00 !important;
  border-color:#f4dc00 !important;
}
.floating-kakao{
  background:#FEE500 !important;
  color:#191919 !important;
}

/* V3: brand presentation and responsive headline */
.site-header{background:#fff}
.brand img,.footer-logo{mix-blend-mode:multiply}
.hero .eyebrow{font-size:clamp(20px,2vw,26px);line-height:1.5;margin-bottom:22px}
.hero-grid > *{min-width:0}
.hero h1{font-size:clamp(36px,4.2vw,56px);line-height:1.22;letter-spacing:-.045em;word-break:keep-all;overflow-wrap:normal}
.hero-title-intro,.hero-title-line{display:block}
.hero-title-intro{margin-bottom:.16em}
.hero-title-line{white-space:nowrap}
h2,h3,p{word-break:keep-all;overflow-wrap:break-word}
@media(max-width:620px){
 .hero h1{font-size:clamp(28px,7.6vw,44px)}
 .hero .eyebrow{font-size:20px}
}

/* V4: prominent section titles throughout the page */
.eyebrow,.hero .eyebrow{
  font-size:clamp(24px,2.5vw,30px);
  font-weight:900;
  line-height:1.45;
  letter-spacing:-.025em;
  margin-bottom:24px;
  word-break:keep-all;
}
@media(max-width:620px){
  .eyebrow,.hero .eyebrow{font-size:22px;margin-bottom:20px}
}