:root{
  --bg:        #FFFFFF;
  --bg-soft:   #F6F6F4;
  --text:      #1B1B1B;
  --text-mute: #6E6E6E;
  --text-faint:#A3A3A0;
  --border:    #E6E6E1;
  --accent:    #2454C7;
  --accent-soft:#EEF2FC;

  --font: "Pretendard", -apple-system, sans-serif;
  --wrap: 1100px;
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }

body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
img{ max-width:100%; display:block; }

.wrap{ max-width:var(--wrap); margin:0 auto; padding:0 24px; }

.eyebrow{
  font-size:13px;
  font-weight:600;
  letter-spacing:0.06em;
  color:var(--accent);
  text-transform:uppercase;
}

h1,h2,h3{ font-weight:700; letter-spacing:-0.01em; line-height:1.3; }

/* --------------------------------- Header -------------------------------- */
header.site{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,0.94);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--border);
}
header.site .bar{
  display:flex; align-items:center; justify-content:space-between;
  height:76px;
}
.brand{
  display:flex; flex-direction:column;
  font-weight:800;
  font-size:20px;
  letter-spacing:-0.01em;
}
.brand small{
  font-weight:500; font-size:11px; letter-spacing:0.04em;
  color:var(--text-faint); margin-top:2px;
}

nav.main{ display:flex; align-items:center; gap:4px; }
nav.main a{
  font-size:15px; color:var(--text-mute);
  padding:8px 16px; border-radius:6px;
  transition:color .15s ease, background .15s ease;
}
nav.main a:hover{ color:var(--text); background:var(--bg-soft); }
nav.main a.active{ color:var(--accent); font-weight:600; }

.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-size:15px; font-weight:600;
  padding:12px 22px;
  border-radius:8px;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .15s ease, border-color .15s ease, transform .1s ease;
}
.btn:active{ transform:translateY(1px); }
.btn-fill{ background:var(--accent); color:#fff; }
.btn-fill:hover{ background:#1c43a8; }
.btn-outline{ border-color:var(--border); color:var(--text); }
.btn-outline:hover{ border-color:var(--accent); color:var(--accent); }

.nav-toggle{ display:none; }

/* --------------------------------- Hero ---------------------------------- */
.hero{ padding:88px 0 96px; border-bottom:1px solid var(--border); }
.hero-grid{ display:grid; grid-template-columns:1.2fr 1fr; gap:56px; align-items:center; }
.hero h1{ font-size:clamp(32px, 4.2vw, 50px); margin:14px 0 20px; }
.hero p.lead{ font-size:17px; color:var(--text-mute); max-width:46ch; margin-bottom:32px; }
.hero .cta-row{ display:flex; gap:12px; flex-wrap:wrap; }

.hero-photo{
  aspect-ratio:4/3;
  background:var(--bg-soft);
  border:1px solid var(--border);
  border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  color:var(--text-faint);
  font-size:14px;
}

/* -------------------------------- Sections -------------------------------- */
section{ padding:88px 0; border-bottom:1px solid var(--border); }
section:last-of-type{ border-bottom:none; }
.sec-head{ margin-bottom:40px; max-width:640px; }
.sec-head h2{ font-size:clamp(24px,2.8vw,32px); margin-top:10px; }
.sec-head p{ color:var(--text-mute); margin-top:12px; }

/* about */
.about-grid{ display:grid; grid-template-columns:1.2fr 1fr; gap:56px; align-items:start; }
.about-grid p{ color:var(--text-mute); margin-bottom:16px; }
.about-grid p:last-child{ margin-bottom:0; }

.fact-box{ background:var(--bg-soft); border:1px solid var(--border); border-radius:12px; padding:28px; }
.fact-box h4{ font-size:13px; color:var(--text-faint); text-transform:uppercase; letter-spacing:0.05em; margin-bottom:14px; font-weight:600; }
.fact-row{ display:flex; justify-content:space-between; padding:10px 0; border-top:1px solid var(--border); font-size:14px; }
.fact-row:first-of-type{ border-top:none; }
.fact-row span:first-child{ color:var(--text-mute); }
.fact-row span:last-child{ font-weight:600; }

/* services */
.services-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:20px; }
.service-card{
  border:1px solid var(--border); border-radius:12px; padding:28px;
  transition:border-color .15s ease;
}
.service-card:hover{ border-color:var(--accent); }
.service-card h3{ font-size:18px; margin-bottom:10px; }
.service-card p{ color:var(--text-mute); font-size:14.5px; }

/* cta banner */
.banner{
  background:var(--accent-soft);
  border-radius:14px;
  padding:44px;
  display:flex; align-items:center; justify-content:space-between; gap:28px;
  flex-wrap:wrap;
}
.banner h2{ font-size:24px; margin-bottom:8px; }
.banner p{ color:var(--text-mute); }

/* footer */
footer.site{ padding:56px 0 36px; }
.foot-grid{
  display:grid; grid-template-columns:1.3fr 1fr 1fr; gap:36px;
  padding-bottom:32px; border-bottom:1px solid var(--border); margin-bottom:22px;
}
.foot-grid h4{
  font-size:13px; color:var(--text-faint); text-transform:uppercase; letter-spacing:0.05em;
  margin-bottom:14px; font-weight:600;
}
.foot-grid p, .foot-grid a{ color:var(--text-mute); font-size:14px; display:block; margin-bottom:8px; }
.foot-grid a:hover{ color:var(--accent); }

.contact-btns{ display:flex; gap:10px; flex-wrap:wrap; }
.contact-btn{
  display:inline-flex; align-items:center; gap:8px;
  border:1px solid var(--border); border-radius:8px;
  padding:10px 16px; font-size:14px;
}
.contact-btn:hover{ border-color:var(--accent); color:var(--accent); }
.contact-btn svg{ width:16px; height:16px; }
.contact-btn.btn-fill{ border:none; color:#fff; }
.contact-btn.btn-fill:hover{ color:#fff; }

.foot-bottom{
  display:flex; justify-content:space-between; color:var(--text-faint); font-size:13px;
  flex-wrap:wrap; gap:8px;
}

/* --------------------------------- Table (pricing) --------------------------------- */
.pricing-group{ margin-bottom:48px; }
.pricing-group:last-child{ margin-bottom:0; }
.pricing-group h3{ font-size:18px; color:var(--accent); margin-bottom:16px; }
table.gear{ width:100%; border-collapse:collapse; }
table.gear thead th{
  text-align:left; font-size:12px; color:var(--text-faint);
  text-transform:uppercase; letter-spacing:0.04em;
  padding:0 0 10px; border-bottom:1px solid var(--border); font-weight:600;
}
table.gear tbody td{ padding:15px 0; border-bottom:1px solid var(--border); font-size:15px; vertical-align:top; }
table.gear .g-name{ font-weight:600; }
table.gear .g-spec{ color:var(--text-mute); font-size:13.5px; }
table.gear .g-price{ color:var(--accent); font-weight:600; text-align:right; white-space:nowrap; }
table.gear th:last-child, table.gear td.g-price{ text-align:right; }

.price-note{ margin-top:14px; color:var(--text-faint); font-size:13.5px; }

/* notice */
.notice-box{ background:var(--bg-soft); border:1px solid var(--border); border-radius:12px; padding:32px; }
.notice-box h3{ font-size:18px; margin-bottom:16px; }
.notice-box ul{ display:flex; flex-direction:column; gap:10px; }
.notice-box li{
  color:var(--text-mute); font-size:14.5px; padding-left:18px; position:relative;
}
.notice-box li::before{
  content:""; position:absolute; left:0; top:9px;
  width:5px; height:5px; border-radius:50%; background:var(--accent);
}

/* --------------------------------- Portfolio --------------------------------- */
.folio-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:24px; }
.folio-card{ border:1px solid var(--border); border-radius:12px; overflow:hidden; }
.folio-thumb{
  aspect-ratio:16/10; background:var(--bg-soft);
  display:flex; align-items:center; justify-content:center;
  color:var(--text-faint); font-size:13px;
  border-bottom:1px solid var(--border);
}
.folio-body{ padding:22px 24px 24px; }
.folio-tag{ font-size:12px; color:var(--accent); font-weight:600; margin-bottom:8px; }
.folio-body h3{ font-size:18px; margin-bottom:8px; }
.folio-body p{ color:var(--text-mute); font-size:14px; margin-bottom:14px; }
.folio-meta{ display:flex; flex-wrap:wrap; gap:8px; }
.folio-meta span{
  font-size:12px; color:var(--text-mute);
  border:1px solid var(--border); border-radius:20px; padding:4px 10px;
}

.page-head{ padding:60px 0 36px; border-bottom:1px solid var(--border); }
.page-head h1{ font-size:clamp(28px,3.6vw,40px); margin:12px 0 12px; }
.page-head p{ color:var(--text-mute); max-width:56ch; }

/* --------------------------------- Responsive --------------------------------- */
@media (max-width: 880px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero-photo{ order:-1; }
  .about-grid{ grid-template-columns:1fr; gap:28px; }
  .services-grid{ grid-template-columns:1fr; }
  .foot-grid{ grid-template-columns:1fr; gap:24px; }
  .folio-grid{ grid-template-columns:1fr; }
  nav.main{ display:none; }
  .nav-toggle{
    display:block; background:none; border:1px solid var(--border); color:var(--text);
    border-radius:6px; padding:8px 14px; font-size:14px;
  }
  header.site.open nav.main{
    display:flex; flex-direction:column; align-items:flex-start;
    position:absolute; top:76px; left:0; right:0;
    background:#fff; border-bottom:1px solid var(--border);
    padding:12px 24px 20px;
  }
  .banner{ flex-direction:column; align-items:flex-start; }
  table.gear thead{ display:none; }
  table.gear tbody td{ display:block; padding:3px 0; border-bottom:none; }
  table.gear tbody tr{ display:block; padding:14px 0; border-bottom:1px solid var(--border); }
  table.gear .g-price{ text-align:left; margin-top:4px; }
}

@media (prefers-reduced-motion: reduce){
  *{ scroll-behavior:auto !important; transition:none !important; }
}