/* ============================================
   JKPAYMENT — shared base styles
   Built on top of styles/tokens.css (Paperlogy + neutrals)
   ============================================ */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }
img, svg { display: block; max-width: 100%; }

/* ---- Brand palette (Navy / Finance) ---- */
:root {
  --jk-navy:      #0A2540;   /* primary deep navy */
  --jk-navy-2:    #143B6E;   /* secondary */
  --jk-blue:      #1B4FA8;   /* link / accent blue */
  --jk-blue-2:    #2E6BD6;
  --jk-blue-pale: #EEF3FB;   /* very light blue surface */
  --jk-gold:      #C8A24B;   /* trust gold accent (used sparingly) */
  --jk-kakao:     #FEE500;   /* KakaoTalk yellow */
  --jk-kakao-ink: #181600;
  --jk-white:     #FFFFFF;
  --jk-gray-50:   #F7F8FA;
  --jk-gray-100:  #EEF0F4;
  --jk-gray-200:  #DDE2EA;
  --jk-gray-300:  #C2C9D4;
  --jk-gray-500:  #6B7385;
  --jk-gray-700:  #2A2F3A;

  --container:    1200px;
  --gutter:       24px;
}

/* ---- Container ---- */
.wrap { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }

/* ---- Top nav ---- */
.jk-nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--jk-gray-100);
}
.jk-nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.jk-nav__logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; letter-spacing: -0.02em;
  font-size: 22px; color: var(--jk-navy);
}
.jk-nav__logo .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--jk-blue);
}
.jk-nav__menu {
  display: flex; align-items: center; gap: 36px;
}
.jk-nav__menu a {
  font-size: 15px; font-weight: 500;
  color: var(--jk-gray-700);
  transition: color .15s;
}
.jk-nav__menu a:hover { color: var(--jk-navy); }
.jk-nav__cta {
  display: inline-flex; align-items: center; gap: 8px;
  height: 42px; padding: 0 20px;
  background: var(--jk-navy); color: white;
  border-radius: 999px;
  font-weight: 600; font-size: 14px;
  letter-spacing: -0.01em;
  transition: background .15s, transform .15s;
}
.jk-nav__cta:hover { background: var(--jk-blue); transform: translateY(-1px); }

/* ---- Section common ---- */
.section { padding: 120px 0; }
.section--tight { padding: 80px 0; }
.eyebrow {
  display: inline-block;
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--jk-blue);
  margin-bottom: 16px;
}
.h-display {
  font-weight: 800; letter-spacing: -0.035em;
  line-height: 1.08; color: var(--jk-navy);
  margin: 0;
}
.h-title {
  font-weight: 700; letter-spacing: -0.03em;
  line-height: 1.15; color: var(--jk-navy);
  margin: 0;
}
.lead {
  font-size: 18px; line-height: 1.7; color: var(--jk-gray-500);
  font-weight: 400; margin: 0;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 52px; padding: 0 26px;
  border-radius: 999px;
  font-weight: 600; font-size: 15px; letter-spacing: -0.01em;
  transition: transform .15s, box-shadow .15s, background .15s;
}
.btn--primary { background: var(--jk-navy); color: white; }
.btn--primary:hover { background: var(--jk-blue); transform: translateY(-1px); box-shadow: 0 12px 28px -12px rgba(10,37,64,0.5); }
.btn--ghost {
  background: transparent; color: var(--jk-navy);
  border: 1px solid var(--jk-gray-200);
}
.btn--ghost:hover { border-color: var(--jk-navy); }
.btn--kakao { background: var(--jk-kakao); color: var(--jk-kakao-ink); }
.btn--kakao:hover { transform: translateY(-1px); box-shadow: 0 12px 28px -12px rgba(254,229,0,0.6); }

/* ---- Floating Kakao CTA ---- */
.fab-kakao {
  position: fixed; right: 28px; bottom: 28px; z-index: 100;
  display: inline-flex; align-items: center; gap: 10px;
  height: 60px; padding: 0 24px 0 20px;
  background: var(--jk-kakao); color: var(--jk-kakao-ink);
  border-radius: 999px;
  font-weight: 700; font-size: 15px;
  box-shadow: 0 20px 44px -16px rgba(31,29,0,0.45), 0 2px 6px rgba(0,0,0,0.06);
  transition: transform .2s, box-shadow .2s;
}
.fab-kakao:hover { transform: translateY(-2px); box-shadow: 0 24px 52px -16px rgba(31,29,0,0.55); }
.fab-kakao__bubble {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--jk-kakao-ink);
  display: grid; place-items: center;
  color: var(--jk-kakao);
}

/* ---- Footer ---- */
.jk-footer {
  background: var(--jk-navy); color: rgba(255,255,255,0.7);
  padding: 72px 0 48px;
  font-size: 14px;
}
.jk-footer__grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px;
  margin-bottom: 48px;
}
.jk-footer h4 {
  color: white; font-size: 14px; font-weight: 600;
  letter-spacing: 0.05em; text-transform: uppercase;
  margin: 0 0 18px;
}
.jk-footer__brand {
  font-size: 24px; font-weight: 800; color: white; letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.jk-footer dl { margin: 0; display: grid; grid-template-columns: 100px 1fr; row-gap: 10px; }
.jk-footer dt { color: rgba(255,255,255,0.45); font-weight: 500; }
.jk-footer dd { margin: 0; color: rgba(255,255,255,0.85); }
.jk-footer__legal {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  color: rgba(255,255,255,0.4); font-size: 13px;
}
.jk-footer__legal a { color: rgba(255,255,255,0.75); margin-left: 20px; }