/* ============================================================
   BFC · BF CONSULTING — 종합 경영자문서비스
   Brand system: business-card green (lime → deep green)
   Type: Pretendard (body/display) + IBM Plex Mono (labels/data)
   ============================================================ */

:root{
  --lime:#A6CE39;
  --green:#2FA84F;
  --green-600:#1E8A3F;
  --deep:#0C3B24;
  --deep-2:#082A19;
  --ink:#14211A;
  --body:#3D4A41;
  --muted:#69786D;
  --line:#DFE9DD;
  --line-soft:#E9F1E7;
  --paper:#FFFFFF;
  --mist:#F5FAF3;
  --mist-2:#EDF5EA;
  --grad:linear-gradient(115deg,#A6CE39 0%,#2FA84F 58%,#1E8A3F 100%);
  --grad-soft:linear-gradient(115deg,rgba(166,206,57,.14),rgba(47,168,79,.10));
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 14px 36px rgba(12,59,36,.09);
  --shadow-sm:0 6px 18px rgba(12,59,36,.07);
  --mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:'Pretendard Variable',Pretendard,-apple-system,BlinkMacSystemFont,'Malgun Gothic','Apple SD Gothic Neo',sans-serif;
  --maxw:1180px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
body{
  font-family:var(--sans);
  color:var(--body);
  background:var(--paper);
  font-size:16.5px;
  line-height:1.78;
  letter-spacing:-.01em;
  -webkit-font-smoothing:antialiased;
  word-break:keep-all;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
strong{color:var(--ink);font-weight:700}

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

/* ---------- typography helpers ---------- */
.eyebrow{
  font-family:var(--mono);
  font-size:.74rem;
  font-weight:600;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--green-600);
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:"";
  width:22px;height:3px;border-radius:2px;
  background:var(--grad);
}
h1,h2,h3,h4{color:var(--ink);line-height:1.32;letter-spacing:-.025em}
h1{font-size:clamp(2rem,4.6vw,3.15rem);font-weight:800}
h2{font-size:clamp(1.55rem,3.2vw,2.2rem);font-weight:800}
h3{font-size:1.18rem;font-weight:750}
.lede{font-size:1.06rem;color:var(--muted);max-width:46em}

.sec-head{margin-bottom:44px}
.sec-head .eyebrow{margin-bottom:14px}
.sec-head h2{margin-bottom:12px}

section{padding:88px 0}
section.tight{padding:64px 0}
.bg-mist{background:var(--mist)}
.bg-deep{background:var(--deep);color:#D9E7DC}
.bg-deep h2,.bg-deep h3{color:#fff}
.bg-deep .eyebrow{color:var(--lime)}
.bg-deep .lede{color:#A9C4AE}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-soft);
}
.nav-bar{
  display:flex;align-items:center;justify-content:space-between;
  height:74px;max-width:var(--maxw);margin:0 auto;padding:0 24px;
}
.brand img{height:44px;width:auto}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{
  font-size:.92rem;font-weight:600;color:var(--body);
  padding:6px 0;position:relative;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--grad);border-radius:2px;transition:width .25s;
}
.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after{width:100%}
.nav-links a[aria-current="page"]{color:var(--ink)}
.nav-cta{
  background:var(--deep);color:#fff!important;
  padding:10px 20px;border-radius:999px;font-size:.88rem;
  transition:background .25s,transform .2s;
}
.nav-cta::after{display:none}
.nav-cta:hover{background:var(--green-600);transform:translateY(-1px)}
.nav-toggle{
  display:none;background:none;border:0;cursor:pointer;padding:8px;
}
.nav-toggle span{
  display:block;width:24px;height:2px;background:var(--ink);
  margin:5px 0;border-radius:2px;transition:.25s;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:700;font-size:.98rem;letter-spacing:-.01em;
  padding:15px 30px;border-radius:999px;transition:.25s;cursor:pointer;
  border:0;font-family:var(--sans);
}
.btn .arr{font-family:var(--mono);font-weight:500}
.btn-primary{background:var(--deep);color:#fff}
.btn-primary:hover{background:var(--green-600);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-grad{background:var(--grad);color:#fff}
.btn-grad:hover{filter:brightness(1.05);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line);}
.btn-ghost:hover{border-color:var(--green);color:var(--green-600)}
.bg-deep .btn-ghost{color:#fff;border-color:rgba(255,255,255,.35)}
.bg-deep .btn-ghost:hover{border-color:var(--lime);color:var(--lime)}

/* ---------- page hero (subpages) ---------- */
.page-hero{
  background:
    radial-gradient(900px 420px at 88% -10%,rgba(166,206,57,.16),transparent 60%),
    var(--mist);
  padding:84px 0 64px;
  border-bottom:1px solid var(--line-soft);
}
.page-hero .eyebrow{margin-bottom:16px}
.page-hero h1{margin-bottom:16px;max-width:22em}
.page-hero .lede{font-size:1.1rem}

/* ---------- home hero ---------- */
.hero{
  background:
    radial-gradient(1000px 520px at 90% -14%,rgba(166,206,57,.18),transparent 62%),
    radial-gradient(700px 420px at -10% 110%,rgba(47,168,79,.10),transparent 60%),
    #fff;
  padding:96px 0 84px;
  overflow:hidden;
}
.hero-grid{
  display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;
}
.hero .eyebrow{margin-bottom:20px}
.hero h1{margin-bottom:20px}
.hero h1 .grad-text{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero .lede{margin-bottom:20px}
.hero-tagline{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:.8rem;letter-spacing:.14em;
  color:var(--deep);background:var(--mist-2);
  border:1px solid var(--line);border-radius:999px;
  padding:8px 18px;margin-bottom:26px;
}
.hero-tagline i{width:8px;height:8px;border-radius:50%;background:var(--grad);display:inline-block}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px}
.hero-steps{
  display:flex;gap:0;margin-top:40px;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;background:#fff;
}
.hero-steps div{
  flex:1;padding:16px 18px;border-right:1px solid var(--line-soft);
}
.hero-steps div:last-child{border-right:0}
.hero-steps b{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;
  color:var(--green-600);display:block;margin-bottom:2px;
}
.hero-steps span{font-size:.9rem;font-weight:700;color:var(--ink)}

/* 360 ring — signature visual */
.ring-wrap{position:relative;display:flex;justify-content:center}
.ring{width:min(440px,86vw);height:auto}
.ring .dash{animation:spin 70s linear infinite;transform-origin:260px 260px}
@keyframes spin{to{transform:rotate(360deg)}}
.ring text{font-family:var(--mono)}
.ring .stage{font-size:15px;font-weight:600;letter-spacing:2.5px;fill:var(--deep)}
.ring .stage-num{font-size:12px;fill:var(--green-600);letter-spacing:2px}
.ring .center-big{font-size:64px;font-weight:600;letter-spacing:-1px}
.ring .center-sub{font-size:12.5px;letter-spacing:3px;fill:var(--muted)}

/* ---------- callout ---------- */
.callout{
  position:relative;
  background:var(--mist);
  border:1px solid var(--line-soft);
  border-radius:var(--radius);
  padding:26px 30px 26px 34px;
  overflow:hidden;
}
.callout::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--grad);
}
.callout b{display:block;color:var(--ink);font-size:1.02rem;margin-bottom:6px}
.callout p{font-size:.98rem}
.bg-deep .callout{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12)}
.bg-deep .callout b{color:#fff}

/* ---------- card grids ---------- */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px;transition:transform .25s,border-color .25s,box-shadow .25s;
}
.card:hover{transform:translateY(-3px);border-color:var(--green);box-shadow:var(--shadow)}
.card h3{margin-bottom:10px}
.card p{font-size:.95rem}
.card .num{
  font-family:var(--mono);font-weight:600;font-size:.95rem;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  display:block;margin-bottom:14px;letter-spacing:.08em;
}
.card .tag{
  font-family:var(--mono);font-size:.7rem;letter-spacing:.18em;
  color:var(--green-600);display:block;margin-bottom:10px;text-transform:uppercase;
}
.bg-deep .card{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12)}
.bg-deep .card:hover{border-color:var(--lime)}
.bg-deep .card p{color:#B9CFBE}

.card ul.dots{margin-top:14px}
.card ul.dots li{
  position:relative;padding-left:18px;font-size:.93rem;margin-bottom:7px;
}
.card ul.dots li::before{
  content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;
  border-radius:50%;background:var(--grad);
}

/* metric strip (REVENUE/MARGIN/CASH/CAPACITY 등) */
.metric-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;background:#fff;
}
.metric-strip div{
  padding:26px 22px;border-right:1px solid var(--line-soft);text-align:center;
}
.metric-strip div:last-child{border-right:0}
.metric-strip b{
  font-family:var(--mono);font-size:.98rem;letter-spacing:.14em;
  display:block;margin-bottom:6px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric-strip span{font-size:.92rem;font-weight:700;color:var(--ink)}
.metric-strip small{display:block;font-size:.82rem;color:var(--muted);margin-top:4px}

/* ---------- tables ---------- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table.tbl{width:100%;border-collapse:collapse;min-width:640px}
.tbl th{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--deep);background:var(--mist);text-align:left;
  padding:14px 20px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.tbl td{
  padding:17px 20px;border-bottom:1px solid var(--line-soft);
  font-size:.94rem;vertical-align:top;
}
.tbl tr:last-child td{border-bottom:0}
.tbl td b{color:var(--ink)}
.tbl tr.hl td{background:var(--grad-soft)}
.tbl td.cell-title{font-weight:800;color:var(--ink);white-space:nowrap}
.bg-deep .tag,.bg-deep .rhythm b{color:var(--lime)}

/* ---------- process flow ---------- */
.flow{position:relative;margin-left:8px}
.flow li{
  position:relative;padding:0 0 34px 54px;
}
.flow li::before{
  content:"";position:absolute;left:15px;top:34px;bottom:0;width:2px;
  background:var(--line);
}
.flow li:last-child::before{display:none}
.flow .fnum{
  position:absolute;left:0;top:0;width:32px;height:32px;border-radius:50%;
  background:var(--grad);color:#fff;font-family:var(--mono);font-size:.78rem;
  display:flex;align-items:center;justify-content:center;font-weight:600;
}
.flow h3{margin-bottom:4px;font-size:1.05rem}
.flow p{font-size:.94rem}

/* rhythm strip */
.rhythm{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rhythm .card{text-align:center}
.rhythm b{
  font-family:var(--mono);letter-spacing:.16em;font-size:.85rem;
  color:var(--green-600);display:block;margin-bottom:8px;
}

/* quote cards (상담 상황) */
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px;position:relative;
}
.quote-card::before{
  content:"“";position:absolute;top:14px;right:22px;
  font-size:3.4rem;line-height:1;font-weight:800;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  opacity:.5;
}
.quote-card h3{font-size:1.06rem;margin-bottom:10px;padding-right:40px}
.quote-card p{font-size:.94rem}

/* solution line cards */
.sol-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 30px;display:flex;flex-direction:column;gap:14px;
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.sol-card:hover{transform:translateY(-3px);border-color:var(--green);box-shadow:var(--shadow)}
.sol-card .sol-name{
  font-family:var(--mono);font-weight:600;font-size:1.05rem;letter-spacing:.06em;
  color:var(--deep);
}
.sol-card .sol-name em{
  font-style:normal;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.sol-card .sol-target{
  display:inline-block;font-size:.8rem;font-weight:700;color:var(--green-600);
  background:var(--mist-2);border-radius:999px;padding:4px 14px;width:fit-content;
}

/* two-column split panel */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:20px;
}
.split .panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 30px;
}
.panel .panel-label{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--green-600);margin-bottom:8px;display:block;
}
.panel h3{margin-bottom:14px}
.panel ul li{
  position:relative;padding-left:20px;font-size:.94rem;margin-bottom:9px;
}
.panel ul li::before{
  content:"";position:absolute;left:0;top:.6em;width:8px;height:2.5px;border-radius:2px;
  background:var(--grad);
}

/* profile */
.profile{
  display:grid;grid-template-columns:.9fr 1.5fr;gap:24px;align-items:stretch;
}
.profile-side{
  background:var(--deep);color:#fff;border-radius:var(--radius);
  padding:38px 32px;display:flex;flex-direction:column;justify-content:space-between;gap:30px;
}
.profile-side .p-initial{
  font-family:var(--mono);font-size:.85rem;letter-spacing:.3em;color:var(--lime);
}
.profile-side h3{color:#fff;font-size:1.7rem;margin-top:8px}
.profile-side .p-role{color:#B9CFBE;font-size:.95rem;margin-top:4px}
.profile-side ul{margin-top:auto}
.profile-side li{
  font-family:var(--mono);font-size:.74rem;letter-spacing:.14em;
  border:1px solid rgba(255,255,255,.22);border-radius:999px;
  padding:7px 16px;display:inline-block;margin:0 6px 8px 0;color:#DCEBDF;
}
.profile-main{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:38px 34px;
}
.profile-main h3{margin-bottom:14px}
.profile-main .p-quote{
  margin-top:22px;padding:20px 24px;background:var(--mist);
  border-radius:var(--radius-sm);font-weight:700;color:var(--deep);
  font-size:1rem;
}
.p-facts{display:grid;grid-template-columns:1fr 1fr;gap:10px 22px;margin-top:18px}
.p-facts li{
  position:relative;padding-left:18px;font-size:.93rem;
}
.p-facts li::before{
  content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:50%;
  background:var(--grad);
}
.p-note{font-size:.82rem;color:var(--muted);margin-top:20px}

/* ---------- CTA band ---------- */
.cta-band{
  background:
    radial-gradient(720px 380px at 85% 120%,rgba(166,206,57,.22),transparent 60%),
    var(--deep);
  color:#fff;text-align:center;padding:96px 0;
}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:#B9CFBE;max-width:38em;margin:0 auto 34px}
.cta-band .btn-grad{font-size:1.02rem}
.cta-mini{
  display:flex;justify-content:center;gap:14px;margin-top:36px;flex-wrap:wrap;
}
.cta-mini span{
  font-family:var(--mono);font-size:.76rem;letter-spacing:.12em;
  border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:9px 18px;color:#CFE3D3;
}

/* ---------- footer ---------- */
.site-footer{background:var(--deep-2);color:#9DB6A2;padding:64px 0 36px;font-size:.9rem}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:44px;margin-bottom:44px;
}
.site-footer img{height:52px;width:auto;margin-bottom:18px}
.site-footer h4{
  color:#fff;font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;
  text-transform:uppercase;margin-bottom:16px;font-weight:600;
}
.site-footer a:hover{color:var(--lime)}
.site-footer li{margin-bottom:9px}
.footer-contact li{display:flex;gap:12px}
.footer-contact b{color:#fff;font-family:var(--mono);font-size:.78rem;min-width:16px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding-top:26px;
  font-size:.8rem;color:#7A957F;line-height:1.7;
}
.footer-bottom p+p{margin-top:6px}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* ---------- form ---------- */
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:38px 34px;
}
.form-row{margin-bottom:20px}
.form-row label{
  display:block;font-weight:700;color:var(--ink);font-size:.9rem;margin-bottom:8px;
}
.form-row input,.form-row select,.form-row textarea{
  width:100%;padding:13px 16px;border:1.5px solid var(--line);border-radius:var(--radius-sm);
  font-family:var(--sans);font-size:.95rem;color:var(--ink);background:#fff;
  transition:border-color .2s;
}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:none;border-color:var(--green);
}
.form-row textarea{min-height:150px;resize:vertical}
.form-note{font-size:.82rem;color:var(--muted);margin-top:14px}

/* contact info blocks */
.contact-blocks{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.contact-blocks .card{text-align:left}
.contact-blocks .card b{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;color:var(--green-600);
  display:block;margin-bottom:10px;text-transform:uppercase;
}
.contact-blocks .card a{font-size:1.06rem;font-weight:800;color:var(--ink)}
.contact-blocks .card a:hover{color:var(--green-600)}
.contact-blocks .card p{font-size:.88rem;color:var(--muted);margin-top:6px}

/* focus visibility */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(47,168,79,.45);outline-offset:2px;border-radius:6px;
}

/* ---------- responsive ---------- */
@media (max-width:1020px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .metric-strip{grid-template-columns:repeat(2,1fr)}
  .metric-strip div:nth-child(2){border-right:0}
  .metric-strip div:nth-child(-n+2){border-bottom:1px solid var(--line-soft)}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .ring-wrap{order:-1}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:840px){
  section{padding:66px 0}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .rhythm{grid-template-columns:1fr}
  .profile{grid-template-columns:1fr}
  .contact-blocks{grid-template-columns:1fr}
  .p-facts{grid-template-columns:1fr}
  .hero-steps{flex-direction:column}
  .hero-steps div{border-right:0;border-bottom:1px solid var(--line-soft)}
  .hero-steps div:last-child{border-bottom:0}

  .nav-toggle{display:block}
  .nav-links{
    position:fixed;inset:74px 0 auto 0;background:#fff;
    flex-direction:column;align-items:flex-start;gap:0;
    border-bottom:1px solid var(--line);
    padding:10px 24px 22px;display:none;
    box-shadow:0 20px 40px rgba(12,59,36,.1);
  }
  .nav-links.open{display:flex}
  .nav-links a{width:100%;padding:13px 0;font-size:1rem;border-bottom:1px solid var(--line-soft)}
  .nav-links a::after{display:none}
  .nav-links .nav-cta{margin-top:14px;text-align:center;justify-content:center;display:flex;border-bottom:0}
}
@media (max-width:560px){
  body{font-size:15.5px}
  .footer-grid{grid-template-columns:1fr}
  .card{padding:26px 22px}
  .page-hero{padding:60px 0 48px}
  .hero{padding:64px 0 60px}
}