:root{
  /* Purple theme */
  --bg: #faf5ff;          /* purple-50 */
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --line: rgba(15, 23, 42, .10);

  --primary: #6d28d9;     /* purple-700 */
  --primary-2: #7c3aed;   /* violet-600 */
  --primary-3: #a855f7;   /* purple-500 accent */

  --shadow: 0 10px 30px rgba(15, 23, 42, .08);
  --shadow-soft: 0 6px 18px rgba(15, 23, 42, .08);
  --radius: 18px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: Inter, "Noto Sans KR", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:var(--text);
  background: linear-gradient(180deg, #faf5ff 0%, var(--bg) 45%, #ffffff 100%);
}

a{color:inherit; text-decoration:none}
button, input, select, textarea{font:inherit}

.container{max-width:1180px; margin:0 auto; padding:0 18px}

.skip-link{
  position:absolute; left:-999px; top:8px;
  background:#111827; color:#fff; padding:10px 12px; border-radius:10px;
  z-index:9999;
}
.skip-link:focus{left:12px}

/* Header */
.site-header{
  position:sticky; top:0; z-index:50;
  background: rgba(255,255,255,.72);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15,23,42,.08);
}
.header-inner{display:flex; align-items:center; justify-content:space-between; height:68px}

.brand{display:flex; align-items:center; gap:10px; font-weight:800; letter-spacing:-.02em}
.brand-mark{
  width:36px; height:36px; border-radius:12px;
  background: radial-gradient(circle at 30% 30%, var(--primary) 0%, var(--primary-2) 40%, var(--primary-3) 100%);
  box-shadow: 0 10px 18px rgba(15,23,42,.22);
}
.brand-text{font-size:18px}

.nav{display:flex; align-items:center; gap:12px}
.nav-toggle{
  display:none;
  border:1px solid rgba(15,23,42,.10);
  background:#fff;
  border-radius:12px;
  padding:10px 12px;
}

.nav-menu{display:flex; align-items:center; gap:14px}
.nav-link{color:rgba(15,23,42,.78); font-weight:600; font-size:14px}
.nav-link:hover{color:rgba(15,23,42,1)}

.nav-cta{
  margin-left:6px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-2) 100%);
  color:#fff; font-weight:700;
  padding:10px 14px; border-radius:14px;
  box-shadow: 0 10px 20px rgba(15,23,42,.18);
}

/* Buttons */
.btn{
  border:1px solid transparent;
  border-radius:14px;
  padding:11px 14px;
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  cursor:pointer;
  transition: transform .08s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.btn:active{transform: translateY(1px)}

.btn-primary{
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-2) 100%);
  color:#fff;
  box-shadow: 0 14px 30px rgba(15,23,42,.20);
}
.btn-primary:hover{box-shadow: 0 18px 40px rgba(15,23,42,.22)}

.btn-ghost{
  background: rgba(255,255,255,.7);
  border-color: rgba(15,23,42,.10);
  color: rgba(15,23,42,.86);
}
.btn-ghost:hover{border-color: rgba(15,23,42,.22)}

.btn-text{
  background: transparent;
  border-color: transparent;
  padding:0;
  font-weight:700;
  color: var(--primary-3);
}
.btn-text:hover{text-decoration:underline}

.btn-block{width:100%; justify-content:center}

.icon-btn{
  border:1px solid rgba(15,23,42,.12);
  background:#fff;
  border-radius:12px;
  padding:10px 12px;
  cursor:pointer;
}

/* Hero */
.hero{position:relative; padding:64px 0 46px}
.hero-landing{
  background: linear-gradient(180deg, rgba(255,247,237,1) 0%, rgba(255,255,255,1) 70%);
}
.promo-visual{display:flex; justify-content:flex-end; align-items:stretch}
.promo-card{
  width:min(420px, 100%);
  background: rgba(255,255,255,.92);
  border:1px solid rgba(15,23,42,.10);
  border-radius: 22px;
  box-shadow: 0 24px 70px rgba(15,23,42,.10);
  padding:18px;
}
.promo-sticker{
  display:inline-flex;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-2) 100%);
  color:#fff;
  font-weight:1000;
  padding:6px 10px;
  border-radius:999px;
  font-size:12px;
}
.promo-title{margin-top:10px; font-weight:1000; font-size:20px; letter-spacing:-.02em}
.promo-desc{margin-top:6px; color: var(--muted); font-size:13.5px}
.promo-bullets{margin-top:12px; display:grid; gap:8px}
.promo-bullets > div{display:flex; justify-content:space-between; gap:12px; padding:10px 12px; border-radius:14px; background: rgba(124,58,237,.06); border:1px solid rgba(15,23,42,.16)}
.promo-bullets strong{color: rgba(15,23,42,.86)}
.promo-bullets span{color: rgba(15,23,42,.64); font-weight:800}
.hero-grid{display:grid; grid-template-columns: 1.12fr .88fr; gap:22px; align-items:start}

.pill{
  display:inline-flex; align-items:center; gap:10px;
  padding:10px 12px;
  background: rgba(124,58,237,.10);
  border: 1px solid rgba(15,23,42,.18);
  color: rgba(15,23,42,.86);
  border-radius:999px;
  font-weight:800;
  margin:0 0 14px;
}
.pill-orange{background: rgba(124,58,237,.12)}

.hero-title{
  font-size:52px;
  line-height:1.05;
  margin:0 0 14px;
  letter-spacing:-.04em;
}
.hero-desc{margin:0 0 18px; color:var(--muted); max-width:56ch}

.hero-actions{display:flex; gap:10px; flex-wrap:wrap; margin-bottom:14px}

/* Landing benefit badges */
.benefit-badges{display:grid; grid-template-columns: repeat(3, 1fr); gap:10px; margin-top:10px}
.benefit-badge{
  display:flex; gap:10px; align-items:center;
  padding:12px 12px;
  background: rgba(255,255,255,.70);
  border:1px solid rgba(15,23,42,.10);
  border-radius:16px;
  box-shadow: var(--shadow-soft);
}
.benefit-badge i{color: var(--primary-3)}
.benefit-badge strong{display:block; font-size:14px}
.benefit-badge small{display:block; color:var(--muted); font-size:12.5px}

.hero-subactions{display:grid; grid-template-columns: repeat(3, 1fr); gap:10px}
.mini-card{
  display:flex; gap:10px; align-items:center;
  padding:12px 12px;
  background: rgba(255,255,255,.65);
  border:1px solid rgba(15,23,42,.10);
  border-radius:16px;
  box-shadow: var(--shadow-soft);
}
.mini-card i{color: var(--primary-3)}
.mini-card strong{display:block; font-size:14px}
.mini-card span{display:block; color:var(--muted); font-size:12.5px}

.hero-panel{
  background: rgba(255,255,255,.78);
  border:1px solid rgba(15,23,42,.10);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.panel-header{padding:18px 18px 0}
.panel-title{margin:0; font-size:18px}
.panel-sub{margin:6px 0 0; color:var(--muted); font-size:13px}
.panel-form{padding:14px 18px 18px; display:grid; gap:10px}

.field{display:grid; gap:6px}
.field span{font-size:13px; color: rgba(15,23,42,.74); font-weight:700}
.input, select, .textarea, .panel-form input{
  width:100%;
  border:1px solid rgba(15,23,42,.12);
  border-radius:14px;
  background:#fff;
  padding:12px 12px;
  outline:none;
}
.input:focus, select:focus, .textarea:focus, .panel-form input:focus{
  border-color: rgba(124,58,237,.55);
  box-shadow: 0 0 0 4px rgba(124,58,237,.14);
}

.help{margin:0; color:var(--muted); font-size:12.5px}

.notice{
  display:flex; gap:12px;
  padding:14px 18px 18px;
  border-top:1px solid rgba(15,23,42,.08);
  background: linear-gradient(180deg, rgba(124,58,237,.10) 0%, rgba(168,85,247,.06) 100%);
}
.notice-badge{
  font-weight:900;
  color:#fff;
  background: linear-gradient(90deg, #ef4444 0%, #3b82f6 100%);
  border-radius: 999px;
  padding:8px 10px;
  height: fit-content;
  font-size:12px;
}
.notice-body strong{display:block; margin-bottom:6px}
.notice-body p{margin:0 0 10px; color:var(--muted); font-size:13px}
.notice-links{display:flex; gap:12px; flex-wrap:wrap}
.notice-links a{font-size:13px; color: var(--primary-3); font-weight:700}
.notice-links a:hover{text-decoration:underline}

.features{display:grid; grid-template-columns:repeat(3, 1fr); gap:14px; margin-top:20px}
.feature-card{
  background: rgba(255,255,255,.72);
  border:1px solid rgba(15,23,42,.10);
  border-radius: var(--radius);
  padding:18px;
  box-shadow: var(--shadow-soft);
}
.feature-card i{font-size:18px; color: var(--primary-2)}
.feature-card h3{margin:10px 0 6px; font-size:16px}
.feature-card p{margin:0; color:var(--muted); font-size:13.5px; line-height:1.55}

.hero-bg{
  position:absolute; inset:auto 0 0 0;
  height:240px;
  background: radial-gradient(700px 240px at 15% 0%, rgba(15,23,42,.16) 0%, transparent 60%),
              radial-gradient(600px 240px at 90% 10%, rgba(168,85,247,.14) 0%, transparent 65%);
  pointer-events:none;
  z-index:-1;
}

/* Sections */
.section{padding:48px 0; background:#ffffff}
.section:nth-of-type(even){background:#f3f4f6}

/* Activity (live + reviews) */
.activity-grid{display:grid; grid-template-columns: 1fr 1fr; gap:14px}
.tabs{display:inline-flex; gap:8px; padding:6px; border:1px solid rgba(15,23,42,.10); background: rgba(255,255,255,.7); border-radius:999px}
.tab-btn{border:1px solid transparent; background:transparent; padding:8px 12px; border-radius:999px; font-weight:900; color: rgba(15,23,42,.70); cursor:pointer}
.tab-btn.active{background: linear-gradient(90deg, var(--primary) 0%, var(--primary-2) 100%); color:#fff; box-shadow: 0 12px 26px rgba(15,23,42,.18)}
.tab-panel[hidden]{display:none}

/* On desktop, show both panels side-by-side (tabs become optional) */
@media (min-width: 981px){
  .tabs{display:none}
  .tab-panel[hidden]{display:block}
}
.section-head{display:flex; align-items:flex-end; justify-content:space-between; gap:16px; margin-bottom:16px}
.section-title{margin:0; font-size:22px; letter-spacing:-.02em}
.section-desc{margin:6px 0 0; color:var(--muted)}

.card{
  background: rgba(255,255,255,.86);
  border:1px solid rgba(15,23,42,.10);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

/* Live list */
.list-card{overflow:hidden}
.list-head{
  display:grid;
  grid-template-columns: 1.4fr .8fr .7fr .7fr;
  padding:12px 16px;
  background: rgba(15,23,42,.03);
  color: rgba(15,23,42,.70);
  font-size:13px;
  font-weight:800;
  border-bottom:1px solid rgba(15,23,42,.08);
}
.list-body{max-height:320px; overflow:auto}
.list-row{
  display:grid;
  grid-template-columns: 1.4fr .8fr .7fr .7fr;
  padding:12px 16px;
  border-bottom:1px solid rgba(15,23,42,.06);
  align-items:center;
}
.list-row:last-child{border-bottom:none}
.list-row .muted{color:var(--muted); font-size:13px}
.badge{
  display:inline-flex; align-items:center; justify-content:center;
  padding:6px 10px;
  border-radius:999px;
  font-weight:900;
  font-size:12px;
  width: fit-content;
}
.badge.ok{background: rgba(34,197,94,.12); color: #15803d; border:1px solid rgba(34,197,94,.20)}
.badge.ing{background: rgba(124,58,237,.12); color: #4c1d95; border:1px solid rgba(124,58,237,.20)}
.badge.no{background: rgba(239,68,68,.10); color: #991b1b; border:1px solid rgba(239,68,68,.18)}

/* Reviews */
.reviews-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap:14px;
}
.review-card{padding:16px}
.review-top{display:flex; justify-content:space-between; align-items:center; gap:10px; margin-bottom:10px}
.review-id{font-weight:900; color: rgba(15,23,42,.70)}
.review-date{color: var(--muted); font-size:12.5px}
.review-title{margin:0 0 6px; font-size:15px}
.review-meta{margin:0; color: var(--muted); font-size:13px}

/* Exchange */
.exchange-layout{display:grid; grid-template-columns: 1.2fr .8fr; gap:16px; align-items:start}
.exchange-steps{display:grid; gap:14px}
.step{overflow:hidden}
.step-head{padding:16px 16px 0}
.step-badge{
  display:inline-flex;
  padding:6px 10px;
  border-radius:999px;
  background: rgba(124,58,237,.12);
  border: 1px solid rgba(15,23,42,.20);
  color:#075985;
  font-weight:900;
  font-size:12px;
}
.step-head h3{margin:10px 0 0; font-size:16px}
.step-body{padding:14px 16px 16px}

.type-hint{
  margin-top:10px;
  padding:12px;
  border-radius: 14px;
  border:1px dashed rgba(124,58,237,.35);
  background: rgba(124,58,237,.06);
  color: rgba(15,23,42,.80);
  font-size:13px;
  line-height:1.55;
}

.split{display:grid; grid-template-columns:1fr 1fr; gap:14px}
.row{display:flex; gap:10px; margin-top:10px; flex-wrap:wrap}

.sub-title{margin:0 0 6px; font-size:14px}
.muted{color:var(--muted)}

.pin-list-head{display:flex; align-items:center; justify-content:space-between; margin-top:10px}
.pin-list{
  margin-top:10px;
  max-height:170px;
  overflow:auto;
  border:1px solid rgba(15,23,42,.10);
  border-radius:14px;
  padding:10px;
  background:#fff;
}
.pin-item{
  display:flex; align-items:center; justify-content:space-between; gap:10px;
  padding:10px;
  border:1px solid rgba(15,23,42,.08);
  border-radius:12px;
  margin-bottom:8px;
}
.pin-item:last-child{margin-bottom:0}
.pin-code{font-weight:800; font-size:13px; letter-spacing:.02em}
.pin-actions{display:flex; gap:6px}

.form-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
}
.field.full{grid-column: 1 / -1}

.check{display:flex; gap:10px; align-items:flex-start; font-weight:700; color: rgba(15,23,42,.84)}
.check input{transform: translateY(2px)}

.bullet{margin:10px 0 0; padding-left:18px; color: var(--muted); font-size:13px; line-height:1.6}

.calc-card .card-head, .quick-card .card-head{padding:16px 16px 0}
.calc-card .card-body, .quick-card .card-body{padding:14px 16px 16px}

.calc-result{
  margin-top:12px;
  border:1px solid rgba(15,23,42,.10);
  background: rgba(15,23,42,.02);
  border-radius: 14px;
  padding:12px;
}
.calc-row{display:flex; align-items:center; justify-content:space-between; margin:8px 0}
.calc-row strong{font-size:15px}
.accent{color: #0b4a6f}

.quick-links{display:grid; gap:10px}
.quick-link{
  display:flex; align-items:center; gap:10px;
  padding:12px;
  border:1px solid rgba(15,23,42,.10);
  border-radius:14px;
  background:#fff;
}
.quick-link:hover{border-color: rgba(15,23,42,.22)}

/* Rates */
.rates-grid{display:grid; grid-template-columns: repeat(4, 1fr); gap:14px}
.rate-card{padding:16px}
.rate-top{display:flex; align-items:center; justify-content:space-between; gap:10px}
.rate-name{margin:0; font-size:14.5px}
.rate-value{
  font-weight:900;
  background: rgba(124,58,237,.10);
  border:1px solid rgba(15,23,42,.20);
  color:#9a3412;
  padding:8px 10px;
  border-radius:999px;
  white-space:nowrap;
}
.rate-desc{margin:10px 0 0; color: var(--muted); font-size:13px; line-height:1.55}

/* Support */
.support{background: linear-gradient(180deg, #ffffff 0%, #faf5ff 100%)}
.support-grid{display:grid; grid-template-columns: 1fr 1fr; gap:14px; margin-top:24px}
.support-list{list-style:none; padding:0; margin:0 0 0 20px; display:grid; gap:10px}
.support-list li{display:flex; gap:10px; align-items:center}
.support-list i{color: var(--primary)}
.callout{margin-top:12px; padding:12px; border-radius:14px; border:1px solid rgba(124,58,237,.20); background: rgba(124,58,237,.06)}
.callout p{margin:6px 0 0; color: var(--muted)}

.sns-grid{display:grid; grid-template-columns: 1fr 1fr; gap:10px}
.sns{
  display:flex; align-items:center; gap:10px;
  padding:12px;
  border-radius:14px;
  border:1px solid rgba(15,23,42,.10);
  background:#fff;
}
.sns i{color: var(--primary-3)}
.sns span{font-weight:800; font-size:13.5px}

/* Footer */
.site-footer{padding:34px 0 28px; margin-top:24px}
.footer-inner{display:flex; align-items:flex-start; justify-content:space-between; gap:12px}
.footer-links{display:flex; gap:12px; align-items:center}

.company-info{
  margin:10px 0 0;
  display:grid;
  gap:6px;
  font-size:13px;
  color: rgba(15,23,42,.78);
}
.company-info > div{display:grid; grid-template-columns: 110px 1fr; gap:10px}
.company-info dt{font-weight:900; color: rgba(15,23,42,.62)}
.company-info dd{margin:0; color: rgba(15,23,42,.82)}
.company-info a{color: var(--primary-3); font-weight:800}
.company-info a:hover{text-decoration:underline}

@media (max-width: 760px){
  .company-info > div{grid-template-columns: 90px 1fr}
}

/* Card head */
.card-head{margin-left:20px}

/* Modal */
.modal{position:fixed; inset:0; display:none; place-items:center; z-index:100}
.modal[aria-hidden="false"]{display:grid}
.modal-backdrop{position:absolute; inset:0; background: rgba(15,23,42,.55)}
.modal-card{
  position:relative;
  width:min(720px, calc(100vw - 24px));
  background:#fff;
  border-radius: 18px;
  border:1px solid rgba(15,23,42,.10);
  box-shadow: 0 24px 70px rgba(15,23,42,.24);
  overflow:hidden;
}
.modal-head{display:flex; align-items:center; justify-content:space-between; padding:14px 14px 0}
.modal-title{margin:0; font-size:16px}
.modal-body{padding:12px 14px 0; color: rgba(15,23,42,.86); line-height:1.7; max-height:min(70vh, 620px); overflow:auto; padding-bottom:12px}
.modal-foot{padding:14px}

@media (max-width: 980px){
  .hero-grid{grid-template-columns: 1fr;}
  .hero-title{font-size:40px}
  .hero-subactions{grid-template-columns: 1fr;}
  .benefit-badges{grid-template-columns:1fr}
  .features{grid-template-columns:1fr;}
  .exchange-layout{grid-template-columns:1fr;}
  .split{grid-template-columns:1fr;}
  .reviews-grid{grid-template-columns: repeat(2, 1fr)}
  .rates-grid{grid-template-columns: repeat(2, 1fr)}
  .support-grid{grid-template-columns:1fr}
  .activity-grid{grid-template-columns:1fr}
}

@media (max-width: 720px){
  .nav-toggle{display:inline-flex}
  .nav-menu{
    position:absolute;
    right:18px;
    top:68px;
    width:min(360px, calc(100vw - 36px));
    background:#fff;
    border:1px solid rgba(15,23,42,.12);
    border-radius: 16px;
    padding:12px;
    box-shadow: var(--shadow);
    display:none;
    flex-direction:column;
    align-items:stretch;
  }
  .nav-menu.open{display:flex}
  .nav-cta{margin-left:0; text-align:center}

  .section-head{flex-direction:column; align-items:flex-start}
  .list-head, .list-row{grid-template-columns: 1.2fr .7fr .7fr .7fr}
  .form-grid{grid-template-columns: 1fr}
  .reviews-grid{grid-template-columns:1fr}
  .rates-grid{grid-template-columns:1fr}
  .footer-inner{flex-direction:column}
}