/* ===== Tokens ===== */
:root{
  --ink:#15181B;
  --ink-soft:#232722;
  --paper:#F3EFE3;
  --paper-2:#EAE4D2;
  --accent:#E4661F;
  --moss:#333B31;
  --sage:#7C8C5E;
  --text-on-dark:#F3EFE3;
  --text-on-dark-70:rgba(243,239,227,0.72);
  --text-on-light:#1D2019;
  --text-on-light-70:rgba(29,32,25,0.68);
  --radius-s:6px;
  --radius-m:14px;
  --font-sans:'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif:'Noto Serif KR', serif;
  --max-w:1120px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  color:var(--text-on-light);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{margin:0;font-weight:800;letter-spacing:-0.01em;}
p{margin:0;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
img,svg{display:block;max-width:100%;}
.wrap{max-width:var(--max-w);margin:0 auto;padding:0 24px;}
.br-desktop{display:inline;}
@media (max-width:640px){.br-desktop{display:none;}}

:focus-visible{outline:3px solid var(--accent);outline-offset:3px;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(243,239,227,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(29,32,25,0.08);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;}
.logo{display:flex;align-items:center;}
.logo img{height:26px;width:auto;display:block;}
.main-nav{display:flex;align-items:center;gap:28px;font-size:0.95rem;font-weight:600;}
.main-nav a{opacity:0.8;transition:opacity .15s;}
.main-nav a:hover{opacity:1;}
.nav-cta{
  background:var(--ink);color:var(--paper)!important;
  padding:9px 18px;border-radius:999px;opacity:1!important;
}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;}
.nav-toggle span{width:22px;height:2px;background:var(--ink);display:block;}

@media (max-width:840px){
  .main-nav{
    position:absolute;top:72px;left:0;right:0;
    background:var(--paper);
    flex-direction:column;align-items:flex-start;
    padding:20px 24px 28px;gap:18px;
    border-bottom:1px solid rgba(29,32,25,0.08);
    display:none;
  }
  .main-nav.open{display:flex;}
  .nav-cta{align-self:flex-start;}
  .nav-toggle{display:flex;}
}

/* ===== Hero ===== */
.hero{
  position:relative;
  background:var(--ink);
  color:var(--text-on-dark);
  overflow:hidden;
  padding:120px 0 0;
}
.hero-terrain{position:absolute;inset:0;width:100%;height:100%;}
.hero-terrain svg{width:100%;height:100%;}
.terrain-l1{fill:var(--moss);opacity:0.9;}
.terrain-l2{fill:#272E24;}
.terrain-l3{fill:#1D211B;}
.hero-inner{position:relative;padding-bottom:150px;}
.hero-badge{
  display:inline-block;
  font-size:0.82rem;font-weight:700;
  color:var(--ink);background:var(--accent);
  padding:6px 14px;border-radius:999px;
  margin-bottom:18px;
}
.hero-eyebrow{
  font-size:0.9rem;font-weight:600;color:var(--accent);
  margin-bottom:20px;
}
.hero h1{
  font-size:clamp(2.1rem, 5vw, 3.4rem);
  line-height:1.28;
  max-width:14ch;
}
.hero-lede{
  margin-top:24px;
  font-size:1.08rem;
  color:var(--text-on-dark-70);
  max-width:46ch;
}
.hero-actions{display:flex;gap:14px;margin-top:38px;flex-wrap:wrap;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 26px;border-radius:999px;
  font-weight:700;font-size:0.95rem;
  transition:transform .15s ease, background .15s ease;
  border:1px solid transparent;
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:#CF5713;}
.btn-ghost{border-color:rgba(243,239,227,0.4);color:var(--text-on-dark);}
.btn-ghost:hover{border-color:var(--text-on-dark);}
.btn-block{width:100%;}

/* ===== Section shell ===== */
.section{padding:96px 0;}
.section-label{
  font-size:0.9rem;font-weight:700;color:var(--sage);
  margin-bottom:14px;
}
.section-label--light{color:#C9D6B3;}
.section h2{font-size:clamp(1.6rem, 3.4vw, 2.3rem);line-height:1.35;}

/* ===== Why ===== */
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.why-body p{color:var(--text-on-light-70);font-size:1.02rem;margin-bottom:16px;}
.why-body p:last-child{margin-bottom:0;}
@media (max-width:760px){.why-grid{grid-template-columns:1fr;gap:24px;}}

/* ===== Services ===== */
.services h2{margin-top:6px;margin-bottom:44px;}
.service-list{border-top:1px solid rgba(29,32,25,0.12);}
.service-item{
  padding:32px 0;
  border-bottom:1px solid rgba(29,32,25,0.12);
  display:grid;grid-template-columns:280px 1fr;gap:32px;
}
.service-item h3{font-size:1.2rem;}
.service-item p{color:var(--text-on-light-70);max-width:56ch;}
@media (max-width:720px){.service-item{grid-template-columns:1fr;gap:8px;}}

/* ===== Report ===== */
.report{background:var(--ink);color:var(--text-on-dark);}
.report-title{color:var(--text-on-dark);margin-top:4px;font-size:clamp(1.7rem,3.6vw,2.5rem);}
.report-sub{color:var(--text-on-dark-70);margin-top:16px;max-width:52ch;font-size:1.05rem;}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin-top:48px;background:rgba(243,239,227,0.14);border-radius:var(--radius-m);overflow:hidden;}
.compare-col{padding:32px;background:var(--ink);}
.compare-after{background:var(--ink-soft);}
.compare-label{font-weight:700;margin-bottom:16px;font-size:0.95rem;}
.compare-before .compare-label{color:rgba(243,239,227,0.55);}
.compare-after .compare-label{color:var(--accent);}
.compare-col li{
  padding:9px 0 9px 20px;position:relative;
  color:var(--text-on-dark-70);font-size:0.96rem;
  border-top:1px solid rgba(243,239,227,0.08);
}
.compare-col li:first-child{border-top:none;}
.compare-col li::before{content:"";position:absolute;left:0;top:16px;width:8px;height:1px;background:currentColor;opacity:0.5;}
@media (max-width:700px){.compare{grid-template-columns:1fr;}}
.report-note{margin-top:32px;font-family:var(--font-serif);font-size:1.08rem;color:#D9CDB0;}

/* ===== Price ===== */
.price{background:var(--moss);color:var(--text-on-dark);padding:64px 0;}
.price-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.price-badge{
  display:inline-block;font-size:0.8rem;font-weight:700;
  color:var(--ink);background:var(--sage);
  padding:5px 12px;border-radius:999px;margin-bottom:14px;
}
.price h2{color:var(--text-on-dark);font-size:clamp(1.4rem,2.8vw,1.9rem);}
.price-sub{color:var(--text-on-dark-70);margin-top:12px;max-width:48ch;font-size:0.98rem;}
.price .btn-primary{flex:0 0 auto;}

/* ===== Kakao float button ===== */
.kakao-float{
  position:fixed;right:22px;bottom:22px;z-index:60;
  display:flex;align-items:center;gap:8px;
  background:#FEE500;color:#391B1B;
  padding:12px 18px 12px 14px;border-radius:999px;
  font-weight:700;font-size:0.9rem;
  box-shadow:0 8px 20px rgba(0,0,0,0.22);
  transition:transform .15s ease;
}
.kakao-float:hover{transform:translateY(-2px);}
.kakao-float svg{width:20px;height:20px;fill:#391B1B;}
@media (max-width:480px){
  .kakao-float span{display:none;}
  .kakao-float{padding:14px;}
}

/* ===== Portfolio ===== */
.portfolio h2{margin-top:6px;margin-bottom:44px;}
.case-list{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:rgba(29,32,25,0.12);border-top:1px solid rgba(29,32,25,0.12);border-left:1px solid rgba(29,32,25,0.12);}
.case-item{background:var(--paper);padding:36px;display:flex;gap:24px;}
.case-figure{flex:0 0 56px;width:56px;height:56px;}
.case-figure svg{width:100%;height:100%;}
.case-figure path,.case-figure circle,.case-figure rect{
  fill:none;stroke:var(--moss);stroke-width:4;
}
.case-tag{font-size:0.82rem;color:var(--sage);font-weight:700;margin-bottom:6px;}
.case-body h3{font-size:1.15rem;margin-bottom:10px;}
.case-body p{color:var(--text-on-light-70);font-size:0.96rem;}
.case-link{display:inline-block;margin-top:12px;font-weight:700;color:var(--accent);font-size:0.92rem;}
@media (max-width:700px){.case-list{grid-template-columns:1fr;}.case-item{padding:28px 4px;}}

/* ===== Process ===== */
.process h2{margin-top:6px;margin-bottom:44px;}
.process-list li{
  display:grid;grid-template-columns:56px 1fr;gap:20px;
  padding:22px 0;border-top:1px solid rgba(29,32,25,0.12);
}
.process-list li:last-child{border-bottom:1px solid rgba(29,32,25,0.12);}
.process-num{font-family:var(--font-serif);font-size:1.3rem;color:var(--sage);}
.process-list h3{font-size:1.05rem;margin-bottom:6px;}
.process-list p{color:var(--text-on-light-70);font-size:0.95rem;}

/* ===== Contact ===== */
.contact{background:var(--paper-2);}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.contact-intro h2{margin-top:6px;}
.contact-intro p{color:var(--text-on-light-70);margin-top:18px;max-width:44ch;}
.contact-info{margin-top:32px;display:flex;flex-direction:column;gap:10px;}
.contact-info li{display:flex;gap:14px;font-size:0.96rem;}
.contact-info span{width:64px;flex:0 0 64px;font-weight:700;color:var(--sage);}

.contact-form{
  background:var(--paper);border-radius:var(--radius-m);
  padding:36px;display:flex;flex-direction:column;gap:18px;
  border:1px solid rgba(29,32,25,0.1);
}
.contact-form label{display:flex;flex-direction:column;gap:8px;font-size:0.9rem;font-weight:700;}
.contact-form input,.contact-form textarea{
  font-family:var(--font-sans);font-size:0.96rem;font-weight:400;
  padding:12px 14px;border-radius:var(--radius-s);
  border:1px solid rgba(29,32,25,0.2);background:#fff;
  resize:vertical;
}
.form-status{font-size:0.88rem;color:var(--sage);min-height:1.2em;}
@media (max-width:760px){.contact-grid{grid-template-columns:1fr;gap:32px;}}

/* ===== Footer ===== */
.site-footer{background:var(--ink);color:var(--text-on-dark-70);padding:48px 0;font-size:0.9rem;}
.footer-inner{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:20px;}
.footer-logo{height:30px;width:auto;display:block;margin-bottom:14px;}
.footer-inner p{margin:4px 0;}
.footer-copy{opacity:0.6;}