/* ============================================================
   VANTAGE — Athletic brand design system
   Dark court + volt green. Inspired by top performance brands.
   ============================================================ */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root{
  --black:#0A0A0A;
  --ink:#111312;
  --surface:#181B19;
  --surface-2:#222623;
  --line:#2E332F;
  --white:#F5F5F2;
  --grey:#9BA39D;
  --grey-dark:#5C635E;
  --volt:#C6FF00;
  --volt-dim:#9FCC00;
  --orange:#FF6B1A;
  --font-display:'Anton',Impact,sans-serif;
  --font-body:'Archivo',Helvetica,Arial,sans-serif;
  --radius:14px;
  --nav-h:64px;
}

html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--black);color:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{cursor:pointer;border:none;font-family:inherit}
input,select,textarea{font-family:inherit}
::selection{background:var(--volt);color:var(--black)}

.container{max-width:1240px;margin:0 auto;padding:0 24px}

/* ── 타이포 ── */
.display{font-family:var(--font-display);text-transform:uppercase;line-height:.95;letter-spacing:.01em;font-weight:400}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--volt)}
.section-title{font-family:var(--font-display);font-size:clamp(34px,5vw,56px);text-transform:uppercase;line-height:1;margin:10px 0 18px}
.section-sub{color:var(--grey);font-size:16px;max-width:560px}

/* ── 네비게이션 ── */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--nav-h);background:rgba(10,10,10,.86);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1240px;margin:0 auto;padding:0 24px;height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.nav-logo{font-family:var(--font-display);font-size:24px;letter-spacing:.06em;text-transform:uppercase;display:flex;align-items:center;gap:8px}
.nav-logo .tick{color:var(--volt)}
.nav-logo img{height:18px;width:auto;display:block}
.footer-brand .nav-logo img{height:22px}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none}
.nav-links a{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--grey);transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--white)}
.nav-cart{position:relative;display:flex;align-items:center;gap:8px;background:var(--volt);color:var(--black)!important;padding:9px 18px;border-radius:999px;font-weight:800!important;transition:transform .2s,box-shadow .2s}
.nav-cart:hover{transform:translateY(-1px);box-shadow:0 4px 24px rgba(198,255,0,.35)}
.cart-badge{position:absolute;top:-7px;right:-7px;min-width:20px;height:20px;border-radius:999px;background:var(--orange);color:#fff;font-size:11px;font-weight:800;display:none;align-items:center;justify-content:center;padding:0 5px;border:2px solid var(--black)}
.nav-toggle{display:none;background:none;padding:8px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--white);margin:5px 0}
.nav-drawer{display:none}

/* ── 버튼 ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:16px 34px;border-radius:999px;font-weight:800;font-size:14px;letter-spacing:.1em;text-transform:uppercase;transition:all .22s}
.btn-volt{background:var(--volt);color:var(--black)}
.btn-volt:hover{box-shadow:0 6px 32px rgba(198,255,0,.4);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--white);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--volt);color:var(--volt)}
.btn-block{width:100%}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ── 마키 스트립 ── */
.marquee{overflow:hidden;background:var(--volt);color:var(--black);padding:12px 0;border-top:1px solid var(--black)}
.marquee-track{display:flex;gap:48px;white-space:nowrap;animation:marquee 22s linear infinite;font-family:var(--font-display);text-transform:uppercase;font-size:15px;letter-spacing:.12em}
.marquee-track span{display:flex;align-items:center;gap:48px}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ── 제품 카드 ── */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.product-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .25s,border-color .25s;display:flex;flex-direction:column}
.product-card:hover{transform:translateY(-5px);border-color:var(--volt)}
.product-card-img{aspect-ratio:1/1;background:#fff;overflow:hidden;position:relative}
.product-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.product-card:hover .product-card-img img{transform:scale(1.04)}
.product-card-badge{position:absolute;top:12px;left:12px;background:var(--black);color:var(--volt);font-size:10px;font-weight:800;letter-spacing:.14em;padding:6px 12px;border-radius:999px}
.product-card-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:6px;flex:1}
.product-card-line{font-size:11px;font-weight:800;letter-spacing:.18em;color:var(--grey)}
.product-card-name{font-weight:800;font-size:16px;line-height:1.3}
.product-card-color{font-size:13px;color:var(--grey)}
.product-card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:12px}
.product-card-price{font-family:var(--font-display);font-size:20px;letter-spacing:.03em}
.product-card-cta{font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--volt)}

/* ── 폼 ── */
.form-label{display:block;font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--grey);margin-bottom:8px}
.form-input,.form-select,.form-textarea{width:100%;background:var(--surface-2);border:1.5px solid var(--line);border-radius:10px;color:var(--white);padding:13px 16px;font-size:15px;transition:border-color .2s;outline:none}
.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--volt)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-group{margin-bottom:16px}

/* ── 푸터 ── */
.footer{border-top:1px solid var(--line);background:var(--ink);padding:64px 0 32px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.footer-brand p{color:var(--grey);font-size:14px;margin-top:14px;max-width:300px}
.footer h4{font-size:12px;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:var(--grey-dark);margin-bottom:16px}
.footer ul{list-style:none}
.footer li{margin-bottom:10px}
.footer ul a{font-size:14px;color:var(--grey);transition:color .2s}
.footer ul a:hover{color:var(--volt)}
.footer-bottom{border-top:1px solid var(--line);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--grey-dark);font-size:13px}
.paynow-chip{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:12px;font-weight:700;color:var(--grey)}
.paynow-chip b{color:#7B1FA2;background:#fff;border-radius:4px;padding:1px 6px;font-style:italic}

/* ── 반응형 ── */
@media(max-width:960px){
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .nav-links{display:none}
  .nav-toggle{display:block}
  .nav-drawer{display:none;position:fixed;top:var(--nav-h);left:0;right:0;background:var(--ink);border-bottom:1px solid var(--line);padding:18px 24px;z-index:999}
  .nav-drawer.open{display:block}
  .nav-drawer a{display:block;padding:13px 0;font-size:14px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--grey);border-bottom:1px solid var(--line)}
  .product-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}