:root{
  --navy:#0b1f3a;
  --navy-2:#153a5b;
  --purple:#76558c;
  --purple-soft:#9b86aa;
  --gold:#b8892d;
  --cream:#faf8f2;
  --lilac:#f3f0ea;
  --ink:#171522;
  --muted:#696474;
  --line:#e7e1e8;
  --white:#fff;
  --shadow:0 22px 60px rgba(11,31,58,.10);
  --radius:24px;
  --container:min(1180px, calc(100% - 40px));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--ink);
  background:var(--cream);
  font-family:"DM Sans",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.6;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
.container{width:var(--container);margin-inline:auto}
.skip-link{
  position:fixed;left:16px;top:-100px;z-index:9999;background:var(--navy);color:#fff;
  padding:10px 14px;border-radius:8px
}
.skip-link:focus{top:16px}
.site-header{
  position:sticky;top:0;z-index:1000;background:rgba(251,250,247,.92);
  backdrop-filter:blur(14px);border-bottom:1px solid rgba(11,31,58,.07)
}
.nav-wrap{height:84px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:block;width:235px}
.brand img{width:100%;height:auto}
.main-nav{display:flex;align-items:center;gap:28px;font-weight:600;font-size:.95rem}
.main-nav>a:not(.btn){position:relative}
.main-nav>a:not(.btn)::after{
  content:"";position:absolute;left:0;bottom:-7px;width:0;height:2px;background:var(--gold);transition:.25s
}
.main-nav>a:hover::after,.main-nav>a:focus-visible::after{width:100%}
.menu-toggle{display:none;border:0;background:transparent;padding:8px}
.menu-toggle span{display:block;width:26px;height:2px;background:var(--navy);margin:5px 0}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--navy);
  background:var(--navy);color:#fff;padding:14px 20px;border-radius:999px;font-weight:700;
  line-height:1.1;transition:transform .2s ease, box-shadow .2s ease, background .2s ease
}
.btn:hover,.btn:focus-visible{transform:translateY(-1px);box-shadow:0 10px 28px rgba(11,31,58,.18)}
.btn-small{padding:11px 16px;font-size:.9rem}
.btn-ghost{background:transparent;color:var(--navy)}
.btn-ghost:hover{background:#fff}
.hero{
  position:relative;overflow:hidden;padding:92px 0 78px;
  background:
    radial-gradient(circle at 77% 16%, rgba(21,58,91,.12), transparent 25%),
    radial-gradient(circle at 13% 88%, rgba(201,160,78,.10), transparent 20%),
    linear-gradient(180deg,#fff 0%,var(--cream) 100%)
}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:72px;align-items:center}
.eyebrow,.section-kicker{
  margin:0 0 14px;text-transform:uppercase;letter-spacing:.18em;font-size:.76rem;
  color:var(--gold);font-weight:800
}
h1,h2,h3{font-family:"Manrope",sans-serif;color:var(--navy);line-height:1.08;margin-top:0}
h1{font-size:clamp(2.9rem,6vw,5.8rem);letter-spacing:-.055em;margin-bottom:24px}
h1 span{color:var(--gold)}
.hero-text{font-size:1.18rem;max-width:700px;color:#4d4857;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:42px}
.proof-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:760px}
.proof-row div{border-left:2px solid var(--gold);padding-left:15px}
.proof-row strong,.proof-row span{display:block}
.proof-row strong{color:var(--navy);font-size:1.02rem}
.proof-row span{color:var(--muted);font-size:.9rem}
.hero-panel{min-height:500px;position:relative;display:grid;place-items:center}
.hero-card{
  width:min(420px,100%);position:relative;z-index:2;background:rgba(255,255,255,.88);
  border:1px solid rgba(11,31,58,.08);box-shadow:var(--shadow);border-radius:32px;
  padding:48px;backdrop-filter:blur(10px)
}
.hero-card strong{display:block;font-family:"Manrope";font-size:2.05rem;color:var(--navy);line-height:1.2}
.hero-card strong:nth-of-type(2){color:var(--navy-2)}
.mini-label{display:inline-block;margin-bottom:22px;color:var(--gold);font-weight:800;letter-spacing:.18em}
.hero-card-line{width:70px;height:2px;background:var(--gold);margin:26px 0}
.hero-card p{color:var(--muted);margin:0}
.hero-orbit{position:absolute;border-radius:50%;border:1px solid rgba(21,58,91,.17)}
.orbit-one{width:460px;height:460px}
.orbit-two{width:590px;height:590px;border-color:rgba(201,160,78,.18)}
.method-strip{background:var(--navy);color:#fff;padding:42px 0}
.method-strip .section-kicker{color:#d6b96f}
.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:34px}
.method-grid article{position:relative;padding-left:48px}
.method-grid article+article{border-left:1px solid rgba(255,255,255,.18);padding-left:72px}
.method-grid span{position:absolute;left:0;top:3px;color:#d6b96f;font-weight:800;font-size:.8rem}
.method-grid article+article span{left:24px}
.method-grid h2{font-size:1.35rem;color:#fff;margin-bottom:7px}
.method-grid p{margin:0;color:#d9d5e4}
.section{padding:100px 0}
.section-head{display:grid;grid-template-columns:1.2fr .8fr;gap:70px;align-items:end;margin-bottom:42px}
.section-head h2,.value-copy h2,.diagnostic-intro h2,.contact-section h2{
  font-size:clamp(2rem,4vw,3.7rem);letter-spacing:-.045em;margin-bottom:0
}
.section-head h2 span{color:var(--gold)}
.section-head>p{margin:0;color:var(--muted);font-size:1.05rem}
.expertise-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.expertise-card{
  grid-column:span 2;position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:34px 30px;overflow:hidden;min-height:360px;
  transition:.25s ease
}
.expertise-card:nth-child(4){grid-column:2 / span 2}
.expertise-card:nth-child(5){grid-column:4 / span 2}
.expertise-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(184,137,45,.35)}
.letter{
  position:absolute;right:14px;top:-26px;font-family:"Manrope";font-size:8rem;font-weight:800;
  color:rgba(11,31,58,.055);line-height:1
}
.card-number{font-size:.76rem;color:var(--gold);font-weight:800;letter-spacing:.16em;margin-bottom:24px}
.expertise-card h3{font-size:1.45rem;margin-bottom:12px}
.expertise-card p{color:var(--muted);margin:0 0 22px}
.expertise-card ul{margin:0;padding:0;list-style:none}
.expertise-card li{padding:9px 0;border-top:1px solid var(--line);font-size:.93rem}
.expertise-card li::before{content:"—";color:var(--gold);margin-right:8px}
.value-section{background:var(--lilac)}
.value-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px;align-items:start}
.value-copy p:last-child{color:var(--muted);font-size:1.06rem}
.value-list{background:#fff;border-radius:var(--radius);border:1px solid #e5dfe8;padding:14px 30px}
.value-list div{display:grid;grid-template-columns:54px 1fr;gap:10px;padding:24px 0}
.value-list div+div{border-top:1px solid var(--line)}
.value-list span{color:var(--gold);font-weight:800}
.value-list p{margin:0;color:var(--muted)}
.value-list strong{color:var(--navy)}
.diagnostic-section{
  background:
    linear-gradient(rgba(23,17,63,.96),rgba(23,17,63,.96)),
    url("assets/banniere-dosan.png") center/cover no-repeat
}
.diagnostic-shell{
  display:grid;grid-template-columns:.82fr 1.18fr;gap:56px;background:#fff;border-radius:32px;
  padding:52px;box-shadow:0 25px 80px rgba(0,0,0,.18)
}
.diagnostic-intro h2{font-size:clamp(2rem,4vw,3.2rem)}
.diagnostic-intro>p{color:var(--muted)}
.privacy-note{
  margin-top:28px;padding:14px 16px;background:var(--lilac);border-radius:14px;
  color:#575160;font-size:.88rem
}
.progress{display:flex;gap:10px;margin-bottom:30px}
.progress span{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line);
  color:var(--muted);font-weight:700
}
.progress span.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.question-step{display:none;border:0;padding:0;margin:0}
.question-step.active{display:block}
.question-step legend{font-family:"Manrope";font-weight:800;color:var(--navy);font-size:1.25rem;margin-bottom:18px}
.choice{display:block;position:relative;margin-bottom:10px}
.choice input{position:absolute;opacity:0;pointer-events:none}
.choice span{
  display:block;border:1px solid var(--line);border-radius:16px;padding:15px 16px;transition:.2s;background:#fff
}
.choice span strong,.choice span small{display:block}
.choice span strong{color:var(--navy);margin-bottom:2px}
.choice span small{color:var(--muted);font-size:.88rem}
.choice:hover span{border-color:#9aa9b8}
.choice input:focus-visible+span{outline:3px solid rgba(118,85,140,.18);outline-offset:2px}
.choice input:checked+span{border-color:var(--navy-2);background:#f2f6f8;box-shadow:inset 0 0 0 1px var(--navy-2)}
.form-actions{display:flex;justify-content:space-between;gap:10px;margin-top:24px;flex-wrap:wrap}
.form-actions.end{justify-content:flex-end}
.result-panel h3{font-size:2rem;margin-bottom:12px}
.result-panel>p{color:var(--muted)}
.result-secondary{background:var(--lilac);padding:16px;border-radius:14px;color:#5a5361;margin:20px 0}
.contact-section{background:#fff}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.contact-grid>div:first-child>p:last-child{color:var(--muted);max-width:620px}
.contact-card{border:1px solid var(--line);border-radius:var(--radius);padding:12px 30px}
.contact-card>a,.social-row{
  display:flex;flex-direction:column;gap:3px;padding:20px 0;border-bottom:1px solid var(--line)
}
.contact-card>a:hover strong{color:var(--gold)}
.contact-card span,.contact-card small{color:var(--muted);font-size:.82rem;text-transform:uppercase;letter-spacing:.09em}
.contact-card strong{color:var(--navy);font-size:1.02rem;word-break:break-word}
.coverage{padding:20px 0;color:var(--navy-2);font-weight:700}
footer{background:#f3f0ea;border-top:1px solid #e5dfd4}
.footer-inner{min-height:120px;display:grid;grid-template-columns:220px 1fr auto;gap:30px;align-items:center}
.footer-inner img{width:210px}
.footer-inner p{color:var(--muted);font-size:.9rem;text-align:center}
.footer-inner a{font-weight:700;color:var(--navy);font-size:.9rem}
@media (max-width:980px){
  .menu-toggle{display:block}
  .main-nav{
    position:absolute;left:20px;right:20px;top:74px;display:none;flex-direction:column;align-items:stretch;
    gap:0;background:#fff;padding:14px;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 14px}
  .main-nav .btn{margin-top:7px}
  .hero-grid,.section-head,.value-grid,.diagnostic-shell,.contact-grid{grid-template-columns:1fr}
  .hero{padding-top:64px}
  .hero-panel{min-height:390px}
  .expertise-grid{grid-template-columns:repeat(2,1fr)}
  .expertise-card,.expertise-card:nth-child(4),.expertise-card:nth-child(5){grid-column:auto}
  .expertise-card:nth-child(5){grid-column:1 / -1}
  .method-grid{gap:14px}
  .diagnostic-shell{gap:34px;padding:36px}
}
@media (max-width:680px){
  :root{--container:min(100% - 28px,1180px)}
  .nav-wrap{height:72px}
  .brand{width:190px}
  .hero{padding:52px 0 58px}
  h1{font-size:clamp(2.55rem,13vw,4.1rem)}
  .hero-text{font-size:1.03rem}
  .proof-row{grid-template-columns:1fr;gap:14px}
  .hero-panel{min-height:310px}
  .hero-card{padding:30px;border-radius:24px}
  .hero-card strong{font-size:1.65rem}
  .orbit-one{width:330px;height:330px}
  .orbit-two{width:420px;height:420px}
  .method-grid{grid-template-columns:1fr}
  .method-grid article,.method-grid article+article{padding:16px 0 16px 46px;border-left:0;border-top:1px solid rgba(255,255,255,.15)}
  .method-grid article:first-child{border-top:0}
  .method-grid article+article span,.method-grid span{left:0;top:20px}
  .section{padding:72px 0}
  .section-head{gap:20px}
  .expertise-grid{grid-template-columns:1fr}
  .expertise-card,.expertise-card:nth-child(5){grid-column:auto;min-height:auto}
  .diagnostic-shell{padding:24px 18px;border-radius:24px}
  .question-step legend{font-size:1.15rem}
  .form-actions .btn{width:100%}
  .footer-inner{grid-template-columns:1fr;text-align:center;padding:30px 0}
  .footer-inner img{margin:auto}
  .footer-inner p{text-align:center;margin:0}
}