/* ===== PRESTAR 기본 스타일 ===== */
:root{
  --navy-900:#0a1a33; --navy-800:#0f2447; --navy-700:#16325f; --blue-600:#1f4e96;
  --blue-500:#2b64c0; --blue-100:#e8effa; --gold:#c9a45c;
  --text:#1c2433; --muted:#5b6678; --line:#e3e8f0; --bg:#ffffff; --bg-soft:#f5f7fb;
  --radius:14px; --shadow:0 10px 30px rgba(10,26,51,.08);
  --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Pretendard','Noto Sans KR',-apple-system,BlinkMacSystemFont,'Malgun Gothic',sans-serif;color:var(--text);background:var(--bg);line-height:1.7;word-break:keep-all;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}
.section{padding:96px 0}
.section.soft{background:var(--bg-soft)}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--blue-500);text-transform:uppercase;margin-bottom:12px}
.section-title{font-size:clamp(26px,3.4vw,38px);line-height:1.35;font-weight:800;color:var(--navy-900);margin-bottom:16px}
.section-desc{color:var(--muted);font-size:17px;max-width:680px}
.center{text-align:center}.center .section-desc{margin:0 auto}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:999px;font-weight:700;font-size:16px;transition:.2s;border:1.5px solid transparent;cursor:pointer}
.btn-primary{background:var(--blue-500);color:#fff}
.btn-primary:hover{background:var(--blue-600);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-outline{border-color:var(--blue-500);color:var(--blue-500)}
.btn-outline:hover{background:var(--blue-100)}

/* Header */
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--navy-900)}
.logo-mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--navy-800),var(--blue-500));color:#fff;display:grid;place-items:center;font-size:16px}
.logo small{font-size:12px;color:var(--muted);font-weight:600;margin-left:2px}
.nav{display:flex;gap:34px;align-items:center}
.nav a{font-weight:600;color:var(--text);font-size:15px;position:relative}
.nav a.active,.nav a:hover{color:var(--blue-500)}
.nav .btn{padding:10px 20px;font-size:14px;color:#fff}
.menu-toggle{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer}
.menu-toggle span{display:block;width:22px;height:2px;background:var(--navy-900);margin:5px auto;transition:.2s}

/* Hero */
.hero{background:linear-gradient(135deg,var(--navy-900) 0%,var(--navy-700) 60%,var(--blue-600) 100%);color:#fff;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-160px;top:-160px;width:520px;height:520px;border-radius:50%;border:1px solid rgba(255,255,255,.08);box-shadow:0 0 0 80px rgba(255,255,255,.03),0 0 0 160px rgba(255,255,255,.02)}
.hero .container{padding-top:110px;padding-bottom:110px;position:relative;z-index:1}
.hero .hero-inner{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(260px,.8fr);align-items:center;gap:40px}
.hero-brand{width:100%;height:310px;object-fit:cover;object-position:center 67%;border-radius:22px;box-shadow:0 20px 45px rgba(0,0,0,.2)}
.hero .eyebrow{color:var(--gold)}
.hero h1{font-size:clamp(32px,5vw,54px);line-height:1.3;font-weight:800;margin-bottom:22px}
.hero p.lead{font-size:clamp(16px,1.8vw,19px);color:rgba(255,255,255,.82);max-width:640px;margin-bottom:36px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.page-hero .container{padding-top:80px;padding-bottom:80px}
.page-hero h1{font-size:clamp(28px,4vw,44px)}

/* Grids & cards */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;transition:.25s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:transparent}
.card .icon{width:52px;height:52px;border-radius:12px;background:var(--blue-100);color:var(--blue-500);display:grid;place-items:center;margin-bottom:20px}
.card .icon svg{width:26px;height:26px}
.card h3{font-size:20px;color:var(--navy-900);margin-bottom:10px;line-height:1.4}
.card p{color:var(--muted);font-size:15.5px}
.card .num{font-size:13px;font-weight:800;color:var(--gold);letter-spacing:.08em;margin-bottom:8px}
.strength-grid{margin-top:48px}

/* Service detail card */
.service-card{display:flex;flex-direction:column}
.service-card .problem,.service-card .solution{font-size:15px;padding:12px 14px;border-radius:10px;margin-top:10px}
.service-card .problem{background:#fff6ea;color:#7a5520}
.service-card .solution{background:var(--blue-100);color:var(--navy-700)}
.service-card .label{font-weight:800;margin-right:6px}
.term{display:inline-block;font-size:13px;color:var(--muted);margin-top:12px;border-top:1px dashed var(--line);padding-top:12px}

/* Customers */
.tags{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:36px}
.tag{padding:12px 22px;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:600;color:var(--navy-800)}

/* Process */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:48px;counter-reset:step}
.step{position:relative;padding:28px 24px;background:#fff;border-radius:var(--radius);border:1px solid var(--line)}
.step::before{counter-increment:step;content:"STEP " counter(step);font-size:12px;font-weight:800;color:var(--blue-500);letter-spacing:.1em}
.step h4{font-size:18px;color:var(--navy-900);margin:8px 0 6px}
.step p{font-size:14.5px;color:var(--muted)}

/* CTA band */
.cta-band{background:var(--navy-900);color:#fff;border-radius:20px;padding:56px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(22px,3vw,30px);line-height:1.4}
.cta-band p{color:rgba(255,255,255,.75);margin-top:8px}

/* About */
.about-intro{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.about-box{background:linear-gradient(160deg,var(--navy-800),var(--blue-600));color:#fff;border-radius:20px;padding:44px}
.about-box h3{font-size:22px;margin-bottom:18px}
.about-box ul{list-style:none}
.about-box li{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.15);display:flex;gap:10px}
.about-box li:last-child{border:0}
.check{color:var(--gold);font-weight:800}
.placeholder{background:#fffbe6;border:1px dashed #d8b64a;color:#7a6415;padding:14px 18px;border-radius:10px;font-size:14px;margin-top:20px}
.info-table{width:100%;border-collapse:collapse;margin-top:24px;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.info-table th{background:var(--navy-800);color:#fff;text-align:left;padding:16px 20px;width:180px;font-weight:700}
.info-table td{padding:16px 20px;border-bottom:1px solid var(--line)}
.info-table tr:last-child td{border-bottom:0}

/* Contact */
.contact-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:start}
.contact-info .item{display:flex;gap:16px;padding:22px 0;border-bottom:1px solid var(--line)}
.contact-info .item .icon{flex:none;width:46px;height:46px;border-radius:12px;background:var(--blue-100);color:var(--blue-500);display:grid;place-items:center}
.contact-info .item .icon svg{width:22px;height:22px}
.contact-info strong{display:block;color:var(--navy-900)}
.contact-info a:hover{color:var(--blue-500)}
.form-card{background:#fff;border-radius:20px;padding:40px;box-shadow:var(--shadow);border:1px solid var(--line)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:18px}
.field label{display:block;font-weight:700;font-size:14px;margin-bottom:8px;color:var(--navy-900)}
.field label .req{color:#d64545}
.field input,.field select,.field textarea{width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:10px;font-size:15px;font-family:inherit;color:var(--text);background:#fff;transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue-500);box-shadow:0 0 0 4px var(--blue-100)}
.field textarea{min-height:150px;resize:vertical}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted);margin:6px 0 22px}
.agree input{margin-top:5px}
.form-card .btn{width:100%;justify-content:center}
.form-note{font-size:13px;color:var(--muted);margin-top:14px;text-align:center}
.form-msg{display:none;margin-top:16px;padding:14px;border-radius:10px;font-size:14px}
.form-msg.show{display:block}
.form-msg.ok{background:#e9f7ef;color:#1d6b3c}
.form-msg.err{background:#fdecec;color:#a12b2b}

/* Footer */
.footer{background:var(--navy-900);color:rgba(255,255,255,.7);padding:56px 0 32px;font-size:14.5px}
.footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;margin-bottom:36px}
.footer .logo{color:#fff;margin-bottom:14px}
.footer h5{color:#fff;font-size:15px;margin-bottom:14px}
.footer li{list-style:none;margin-bottom:8px}
.footer a:hover{color:#fff}
.footer .copy{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;font-size:13px}

/* Floating CTA (mobile) */
.float-call{display:none;position:fixed;right:16px;bottom:16px;z-index:90;background:var(--blue-500);color:#fff;border-radius:999px;padding:14px 20px;font-weight:700;box-shadow:0 8px 24px rgba(31,78,150,.4)}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* Responsive */
@media (max-width:1024px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .process{grid-template-columns:repeat(2,1fr)}
  .about-intro,.contact-wrap{grid-template-columns:1fr}
}
@media (max-width:768px){
  .hero .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero-brand{max-width:320px;height:240px;margin:0 auto}
  .section{padding:64px 0}
  .menu-toggle{display:block}
  .nav{position:fixed;top:72px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:8px 20px 20px;border-bottom:1px solid var(--line);transform:translateY(-120%);transition:.3s;box-shadow:var(--shadow)}
  .nav.open{transform:none}
  .nav a{width:100%;padding:14px 0;border-bottom:1px solid var(--line)}
  .nav .btn{margin-top:12px;justify-content:center;border-bottom:0}
  .menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .menu-toggle.open span:nth-child(2){opacity:0}
  .menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .grid-3,.grid-2,.process,.form-row{grid-template-columns:1fr}
  .hero .container{padding-top:72px;padding-bottom:72px}
  .cta-band{padding:36px 28px}
  .form-card{padding:28px 22px}
  .footer .cols{grid-template-columns:1fr}
  .info-table th{width:110px;padding:14px}
  .info-table td{padding:14px}
  .float-call{display:inline-flex}
}

section[id]{scroll-margin-top:72px}
.services-grid{margin-top:44px}
@media(max-width:768px){.nav:not(.open){visibility:hidden;pointer-events:none}.nav.open{visibility:visible;pointer-events:auto}}