:root{
  --bg:#0f0a1f;
  --ink:#1a1130;
  --muted:#6b6285;
  --primary:#7c3aed;
  --primary-2:#ec4899;
  --accent:#fbbf24;
  --border:#ece6f7;
  --grad:linear-gradient(135deg,#7c3aed 0%,#ec4899 100%);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:'Pretendard','Noto Sans KR',-apple-system,system-ui,sans-serif;color:var(--ink);background:#fafafa;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto;border-radius:12px}
a{color:inherit;text-decoration:none}
.container{max-width:1180px;margin:0 auto;padding:0 20px}

.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px}
.brand-mark{width:32px;height:32px;border-radius:10px;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:900}
.nav-links{display:flex;align-items:center;gap:22px;font-weight:600;font-size:15px}
.nav-links a{color:var(--ink);opacity:.85}
.nav-links a.active{color:var(--primary);opacity:1}
.nav-links a:hover{opacity:1}
.btn-pill{background:var(--grad);color:#fff!important;padding:9px 18px;border-radius:999px;opacity:1!important;box-shadow:0 6px 20px -8px rgba(124,58,237,.6)}

/* HERO with different vibe */
.hero{
  position:relative;
  background:
    radial-gradient(800px 400px at 90% 10%,rgba(251,191,36,.18),transparent 60%),
    radial-gradient(900px 500px at 0% 100%,rgba(236,72,153,.18),transparent 60%),
    linear-gradient(180deg,#15102b 0%,#0a0719 100%);
  color:#fff;padding:80px 0 90px;overflow:hidden;
}
.hero-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:center}
.eyebrow{display:inline-block;padding:6px 14px;border:1px solid rgba(255,255,255,.25);border-radius:999px;font-size:13px;color:#fde68a;margin-bottom:18px}
.hero h1{font-size:clamp(34px,4.8vw,56px);line-height:1.15;margin:0 0 18px;font-weight:800;letter-spacing:-.02em}
.grad{background:linear-gradient(90deg,#fbbf24,#f472b6,#a78bfa);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:17px;color:#d8d0ea;max-width:560px}
.cta-row{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.btn-primary{background:var(--grad);color:#fff;border:none;border-radius:14px;padding:16px 28px;font-weight:700;font-size:16px;cursor:pointer;box-shadow:0 12px 30px -10px rgba(236,72,153,.6);transition:transform .15s ease,box-shadow .15s ease;font-family:inherit}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px -10px rgba(236,72,153,.7)}
.btn-primary.big{padding:18px 34px;font-size:17px}
.btn-ghost{color:#fff;border:1px solid rgba(255,255,255,.3);padding:16px 22px;border-radius:14px;font-weight:600;font-size:15px}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.hero-art img{border-radius:24px;box-shadow:0 30px 80px -20px rgba(0,0,0,.5)}

/* SECTIONS */
.section{padding:80px 0}
.section.alt{background:#fff}
.section-title{font-size:clamp(26px,3vw,38px);font-weight:800;text-align:center;margin:0 0 12px;letter-spacing:-.02em}
.section-sub{text-align:center;color:var(--muted);margin:0 auto 40px;max-width:680px}
.prose{max-width:780px;margin:0 auto 30px;font-size:16.5px;color:#3a3056}
.wide{width:100%;border-radius:20px;margin:10px 0 30px}
.rounded{border-radius:20px}

/* STEPS - vertical timeline */
.steps{list-style:none;padding:0;max-width:760px;margin:0 auto;counter-reset:step}
.steps li{background:#fff;border:1px solid var(--border);border-radius:16px;padding:22px 24px;margin-bottom:14px;display:grid;grid-template-columns:48px 1fr;gap:14px;align-items:start}
.steps li span{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800}
.steps li b{display:block;font-size:17px;margin-bottom:4px}
.steps li p{margin:0;color:var(--muted);font-size:14.5px;grid-column:2}

/* TIPS */
.tips{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tip{background:#faf7ff;border:1px solid var(--border);border-radius:18px;padding:18px;transition:transform .2s ease}
.tip:hover{transform:translateY(-4px)}
.tip img{border-radius:14px;margin-bottom:14px;aspect-ratio:4/3;object-fit:cover}
.tip h3{margin:0 0 6px;font-size:17px;font-weight:700}
.tip p{margin:0;color:var(--muted);font-size:14.5px}

/* KV */
.kv{list-style:none;padding:0;max-width:560px;margin:0 auto;background:#fff;border-radius:16px;border:1px solid var(--border);overflow:hidden}
.kv li{display:flex;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--border)}
.kv li:last-child{border-bottom:none}
.kv b{color:var(--ink)}
.kv span{color:var(--primary);font-weight:700}

/* TABLE */
.table-wrap{overflow-x:auto;border-radius:16px;box-shadow:0 10px 30px -18px rgba(124,58,237,.25);background:#fff}
.compare-table{width:100%;border-collapse:collapse;min-width:560px}
.compare-table th,.compare-table td{padding:14px 16px;text-align:center;border-bottom:1px solid var(--border);font-size:14.5px}
.compare-table thead th{background:var(--grad);color:#fff;font-weight:700}
.compare-table tbody tr.highlight{background:linear-gradient(90deg,rgba(124,58,237,.06),rgba(236,72,153,.06))}
.compare-table tbody tr.highlight td{font-weight:700;color:var(--primary)}
.compare-table .save{color:#16a34a;font-weight:700}
.note{font-size:13px;color:var(--muted);margin-top:12px;text-align:center}

/* CALC */
.calc{max-width:520px;margin:0 auto;background:#fff;border-radius:20px;padding:28px;border:1px solid var(--border);box-shadow:0 10px 40px -20px rgba(124,58,237,.25)}
.calc-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;gap:14px}
.calc-row label{font-weight:600;font-size:15px}
.calc-row input{border:1px solid var(--border);border-radius:10px;padding:10px 12px;width:120px;text-align:right;font-size:15px;font-family:inherit}
.calc-row input:focus{outline:2px solid var(--primary);outline-offset:1px}
.calc-result{background:#faf7ff;border:1px dashed #cdb8ef;border-radius:12px;padding:18px;margin:18px 0;text-align:center;font-weight:600;color:var(--primary);min-height:60px;display:flex;align-items:center;justify-content:center;font-size:15px}
.calc .btn-primary{width:100%}

/* FAQ */
.faq{max-width:760px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--border);border-radius:14px;padding:18px 22px;margin-bottom:12px}
.faq details[open]{box-shadow:0 8px 24px -12px rgba(124,58,237,.2)}
.faq summary{font-weight:700;cursor:pointer;font-size:15.5px;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'＋';float:right;color:var(--primary)}
.faq details[open] summary::after{content:'－'}
.faq p{margin:14px 0 0;color:var(--muted);font-size:15px}

/* CTA FINAL */
.cta-final{background:linear-gradient(135deg,#7c3aed,#ec4899);color:#fff;text-align:center;padding:70px 20px}
.cta-final h2{margin:0 0 12px;font-size:30px;font-weight:800}
.cta-final p{margin:0 0 26px;opacity:.9}
.cta-final .btn-primary{background:#fff;color:var(--primary);box-shadow:0 16px 36px -10px rgba(0,0,0,.3)}
.cta-final .btn-primary:hover{background:#fde68a;color:#92400e}

/* FOOTER */
.site-footer{background:#0f0a1f;color:#b8a8d8;padding:36px 0;font-size:14px;text-align:center}
.site-footer a{color:#fbbf24}
.site-footer .micro{margin-top:8px;font-size:13px;color:#7a6e9a}

@media (max-width:880px){
  .hero{padding:60px 0}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .tips{grid-template-columns:1fr}
  .section{padding:60px 0}
  .nav-links{gap:12px;font-size:14px}
  .nav-links a:not(.btn-pill):not(.active){display:none}
}