/* 티플 쿠폰 - 공용 디자인 시스템 */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --brand:#FF4D3D;
  --brand-dark:#E63A2B;
  --brand-soft:#FFE8E5;
  --ink:#1A1A1F;
  --ink-2:#4A4A55;
  --ink-3:#8A8A95;
  --bg:#FFF9F7;
  --card:#FFFFFF;
  --line:#F0E5E2;
  --gold:#FFB547;
  --shadow:0 8px 30px rgba(255,77,61,.10);
  --radius:18px;
}
html{scroll-behavior:smooth}
body{
  font-family:'Pretendard','Apple SD Gothic Neo','Malgun Gothic',system-ui,-apple-system,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:14px}
a{color:inherit;text-decoration:none}
.container{max-width:1080px;margin:0 auto;padding:0 20px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,249,247,.92);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px}
.logo-mark{width:32px;height:32px;border-radius:8px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:900}
.nav-links{display:flex;gap:24px;font-weight:600;color:var(--ink-2)}
.nav-links a.active{color:var(--brand)}
.nav-cta{background:var(--brand);color:#fff;padding:10px 18px;border-radius:999px;font-weight:700;font-size:14px;transition:transform .15s ease,background .15s ease}
.nav-cta:hover{background:var(--brand-dark);transform:translateY(-1px)}

/* Hero */
.hero{padding:64px 0 40px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;background:var(--brand-soft);color:var(--brand-dark);padding:6px 14px;border-radius:999px;font-weight:700;font-size:13px;margin-bottom:18px}
h1{font-size:clamp(34px,5vw,54px);line-height:1.15;letter-spacing:-.02em;font-weight:900;margin-bottom:18px}
h1 .accent{color:var(--brand)}
.lead{font-size:18px;color:var(--ink-2);margin-bottom:28px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;padding:16px 26px;border-radius:14px;font-weight:800;font-size:16px;transition:transform .15s ease,box-shadow .15s ease;cursor:pointer;border:none;font-family:inherit}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 36px rgba(255,77,61,.28)}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand)}
.hero-img{position:relative}
.hero-img img{box-shadow:var(--shadow)}
.badge-float{position:absolute;bottom:-14px;left:-14px;background:#fff;border-radius:14px;padding:12px 16px;box-shadow:var(--shadow);font-weight:800;display:flex;gap:10px;align-items:center}
.badge-float .dot{width:10px;height:10px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 4px rgba(34,197,94,.18)}

/* Section */
section.block{padding:56px 0}
.section-title{font-size:clamp(26px,3.4vw,36px);font-weight:900;letter-spacing:-.02em;margin-bottom:10px;text-align:center}
.section-sub{color:var(--ink-2);text-align:center;margin-bottom:36px}

/* Cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .2s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card .ico{width:46px;height:46px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-weight:900;margin-bottom:14px;font-size:20px}
.card h3{font-size:18px;margin-bottom:8px;font-weight:800}
.card p{color:var(--ink-2);font-size:15px}

/* Steps */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:relative;padding-top:56px}
.step::before{counter-increment:step;content:"0" counter(step);position:absolute;top:18px;left:24px;font-weight:900;color:var(--brand);font-size:20px}
.step h4{font-weight:800;margin-bottom:6px}
.step p{color:var(--ink-2);font-size:14.5px}

/* CTA banner */
.cta-banner{
  background:linear-gradient(135deg,var(--brand) 0%,#FF7A47 100%);
  color:#fff;border-radius:24px;padding:48px;text-align:center;
  box-shadow:var(--shadow);
}
.cta-banner h2{font-size:clamp(24px,3.2vw,34px);font-weight:900;margin-bottom:10px;letter-spacing:-.02em}
.cta-banner p{opacity:.92;margin-bottom:22px}
.cta-banner .btn-primary{background:#fff;color:var(--brand)}
.cta-banner .btn-primary:hover{background:#FFF1EE}

/* Table */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table{width:100%;border-collapse:collapse;min-width:560px}
th,td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:15px}
th{background:#FFF4F1;font-weight:800;color:var(--ink)}
tr:last-child td{border-bottom:none}
td.best{color:var(--brand);font-weight:800}
.tag{display:inline-block;background:var(--brand-soft);color:var(--brand-dark);padding:2px 8px;border-radius:6px;font-size:12px;font-weight:700;margin-left:6px}

/* Calculator */
.calc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:grid;grid-template-columns:1fr 1fr;gap:24px}
.calc-form label{display:block;font-weight:700;margin-bottom:6px;color:var(--ink)}
.calc-form input,.calc-form select{
  width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;
  font-size:15px;margin-bottom:14px;font-family:inherit;background:#FFFBFA;
}
.calc-form input:focus,.calc-form select:focus{outline:none;border-color:var(--brand)}
.calc-result{background:linear-gradient(180deg,#FFF4F1 0%,#fff 100%);border-radius:14px;padding:22px;display:flex;flex-direction:column;justify-content:center}
.calc-result .label{color:var(--ink-3);font-size:13px;font-weight:700;text-transform:uppercase}
.calc-result .value{font-size:36px;font-weight:900;color:var(--brand);margin:6px 0 14px;letter-spacing:-.02em}
.calc-result .row{display:flex;justify-content:space-between;padding:8px 0;border-top:1px dashed var(--line);font-size:14.5px}
.calc-result .row span:last-child{font-weight:700}

/* FAQ */
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin-bottom:10px}
.faq summary{font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::after{content:"+";color:var(--brand);font-weight:900;font-size:22px;transition:transform .2s ease}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin-top:10px;color:var(--ink-2)}

/* Gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gallery img{aspect-ratio:4/3;object-fit:cover}

/* Footer */
footer{background:#1A1A1F;color:#C8C8D0;padding:42px 0 28px;margin-top:60px}
footer .foot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
footer a{color:#fff;font-weight:700}
footer .small{font-size:13px;color:#8A8A95;margin-top:14px}

/* Responsive */
@media (max-width:860px){
  .hero{padding:36px 0 20px}
  .hero-grid,.calc,.grid-2{grid-template-columns:1fr;gap:24px}
  .grid-3,.steps,.gallery{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .cta-banner{padding:32px 22px}
}
@media (max-width:520px){
  .grid-3,.steps,.gallery{grid-template-columns:1fr}
}