/* 원앤원시큐리티 공통 스타일 시트 (2차) — 단색 아이콘·11메뉴 GNB 통일 */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
:root{
  --navy:#0A1628; --surface:#13233F; --cyan:#00C2D1; --blue:#2E5FA3;
  --glow:#3DF0FF; --text:#FFFFFF; --sub:#A9B6C8; --line:#1F3354;
}
html{scroll-behavior:smooth;}
body{font-family:'Pretendard','Inter',sans-serif;background:var(--navy);color:var(--text);overflow-x:hidden;}

/* 단색 라인 아이콘 — 통일 스타일 */
.ico{width:1em;height:1em;stroke:currentColor;stroke-width:1.7;fill:none;stroke-linecap:round;stroke-linejoin:round;display:inline-block;vertical-align:-.125em;}

/* ───────── GNB ───────── */
header{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:0 3vw;height:72px;transition:background .35s,backdrop-filter .35s,border-color .35s;border-bottom:1px solid transparent;background:rgba(10,22,40,.85);backdrop-filter:blur(10px);}
header.scrolled{background:rgba(10,22,40,.94);border-bottom-color:var(--line);}
.logo{display:flex;align-items:center;height:100%;}
.logo img{height:46px;width:auto;object-fit:contain;display:block;}
@media(max-width:768px){.logo img{height:38px;}}
nav{display:flex;gap:1.15rem;align-items:center;}
.nav-links{display:flex;gap:1.15rem;align-items:center;}
nav a{color:var(--sub);text-decoration:none;font-size:.88rem;font-weight:600;letter-spacing:-.01em;transition:color .2s;white-space:nowrap;}
nav a:hover,nav a.active{color:var(--cyan);}
.gnb-tel{display:flex;align-items:center;gap:.35rem;color:var(--text);font-size:.9rem;font-weight:700;font-family:'Inter',sans-serif;}
.gnb-tel .ico{color:var(--cyan);font-size:1.05rem;}
.btn-cta{display:inline-flex;align-items:center;gap:.4rem;background:var(--cyan);color:#001014;padding:.55rem 1.25rem;border-radius:8px;font-weight:700;font-size:.88rem;text-decoration:none;transition:box-shadow .2s,transform .2s;}
.btn-cta:hover{box-shadow:0 0 18px var(--glow);transform:translateY(-1px);}
.menu-toggle{display:none;background:none;border:none;color:var(--text);cursor:pointer;font-size:1.6rem;}

/* 모바일 메뉴 */
.mobile-menu{display:none;position:fixed;inset:0;z-index:200;background:rgba(10,22,40,.97);backdrop-filter:blur(10px);flex-direction:column;padding:5rem 2rem 2rem;gap:.3rem;overflow-y:auto;}
.mobile-menu.open{display:flex;}
.mobile-menu a{color:var(--text);text-decoration:none;font-size:1.05rem;font-weight:600;padding:.85rem 0;border-bottom:1px solid var(--line);}
.mobile-menu .close{position:absolute;top:1.5rem;right:2rem;background:none;border:none;color:var(--text);font-size:2rem;cursor:pointer;}

/* 페이지 히어로 */
.page-hero{padding:130px 3vw 70px;background:linear-gradient(160deg,#0e2042 0%,var(--navy) 60%);border-bottom:1px solid var(--line);position:relative;overflow:hidden;}
.page-hero::before{content:'';position:absolute;inset:0;background:linear-gradient(rgba(0,194,209,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(0,194,209,.05) 1px,transparent 1px);background-size:60px 60px;}
.page-hero-inner{max-width:1200px;margin:0 auto;position:relative;z-index:1;}
.page-label{font-size:.75rem;color:var(--cyan);letter-spacing:.2em;font-weight:700;margin-bottom:.5rem;}
.page-hero h1{font-size:clamp(2rem,4.5vw,3.2rem);font-weight:900;line-height:1.15;margin-bottom:.8rem;}
.page-hero p{color:var(--sub);font-size:1rem;line-height:1.75;max-width:600px;}

/* 공통 섹션 */
.section{padding:5rem 3vw;}
.section-inner{max-width:1200px;margin:0 auto;}
.sec-label{font-size:.75rem;color:var(--cyan);letter-spacing:.2em;font-weight:700;margin-bottom:.5rem;}
.sec-title{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:900;margin-bottom:.7rem;line-height:1.2;}
.sec-sub{color:var(--sub);font-size:.97rem;line-height:1.75;max-width:600px;margin-bottom:2.5rem;}
.bg-surface{background:var(--surface);}
.divider{border:none;border-top:1px solid var(--line);margin:0;}

/* 아이콘 박스 */
.ico-box{width:54px;height:54px;border-radius:14px;background:rgba(0,194,209,.08);border:1px solid rgba(0,194,209,.3);display:flex;align-items:center;justify-content:center;color:var(--cyan);font-size:1.5rem;flex-shrink:0;transition:background .25s,transform .25s,box-shadow .25s;}

/* 카드 */
.glass-card{background:rgba(19,35,63,.7);border:1px solid rgba(0,194,209,.18);border-radius:16px;padding:2rem;backdrop-filter:blur(10px);transition:transform .25s,box-shadow .25s,border-color .25s;}
.glass-card:hover{transform:translateY(-5px);box-shadow:0 12px 40px rgba(0,194,209,.15);border-color:rgba(0,194,209,.5);}
.glass-card:hover .ico-box{background:rgba(0,194,209,.18);box-shadow:0 8px 20px rgba(0,194,209,.2);}
.card-grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;}
.card-grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.4rem;}
.card-grid-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:1.2rem;}

/* 버튼 */
.btn-primary{display:inline-flex;align-items:center;gap:.5rem;background:var(--cyan);color:#001014;padding:.8rem 1.8rem;border-radius:8px;font-weight:700;font-size:.95rem;text-decoration:none;transition:box-shadow .2s,transform .2s;}
.btn-primary:hover{box-shadow:0 0 24px var(--glow);transform:translateY(-2px);}
.btn-ghost{display:inline-flex;align-items:center;gap:.5rem;border:1.5px solid var(--cyan);color:var(--cyan);padding:.8rem 1.8rem;border-radius:8px;font-weight:700;font-size:.95rem;text-decoration:none;transition:background .2s,box-shadow .2s,transform .2s;}
.btn-ghost:hover{background:rgba(0,194,209,.1);box-shadow:0 0 16px rgba(0,194,209,.3);transform:translateY(-2px);}

/* 태그·뱃지 */
.tag{background:rgba(0,194,209,.1);border:1px solid rgba(0,194,209,.3);color:var(--cyan);border-radius:100px;padding:.3rem .85rem;font-size:.8rem;font-weight:600;display:inline-flex;align-items:center;gap:.35rem;}
.badge-cert{display:inline-flex;align-items:center;gap:.5rem;background:rgba(0,194,209,.06);border:1px solid rgba(0,194,209,.35);border-radius:10px;padding:.7rem 1.1rem;color:var(--text);font-size:.88rem;font-weight:600;}
.badge-cert .ico{color:var(--cyan);font-size:1.15rem;}

/* 표 */
table{width:100%;border-collapse:collapse;font-size:.9rem;}
th{background:rgba(0,194,209,.1);color:var(--cyan);padding:.8rem 1rem;text-align:left;font-weight:700;border-bottom:1px solid var(--line);}
td{padding:.75rem 1rem;border-bottom:1px solid var(--line);color:var(--sub);}
tr:hover td{background:rgba(0,194,209,.04);color:var(--text);}

/* CTA 밴드 */
.cta-band{background:linear-gradient(135deg,#0e2042 0%,var(--navy) 100%);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:5rem 3vw;text-align:center;position:relative;overflow:hidden;}
.cta-band::before{content:'';position:absolute;width:600px;height:600px;background:radial-gradient(circle,rgba(0,194,209,.08) 0%,transparent 70%);top:50%;left:50%;transform:translate(-50%,-50%);pointer-events:none;}
.cta-band h2{font-size:clamp(1.4rem,3vw,2.2rem);font-weight:900;margin-bottom:.8rem;position:relative;}
.cta-band p{color:var(--sub);margin-bottom:2rem;position:relative;}
.cta-row{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;position:relative;}

/* 푸터 */
footer{background:#070f1c;border-top:1px solid var(--line);padding:3rem 3vw 2rem;}
.footer-top{display:flex;gap:4rem;flex-wrap:wrap;margin-bottom:2rem;padding-bottom:2rem;border-bottom:1px solid var(--line);}
.footer-logo img{height:36px;margin-bottom:.7rem;}
.footer-tagline{color:var(--sub);font-size:.83rem;}
.footer-col h4{font-size:.82rem;color:var(--cyan);font-weight:700;letter-spacing:.05em;margin-bottom:.8rem;}
.footer-col a{display:block;color:var(--sub);font-size:.83rem;text-decoration:none;padding:.22rem 0;transition:color .2s;}
.footer-col a:hover{color:var(--cyan);}
.footer-info{color:var(--sub);font-size:.82rem;line-height:2;}
.footer-info strong{color:var(--text);}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem;color:#4a607a;font-size:.78rem;}

/* 플로팅 CTA */
.floating-cta{position:fixed;bottom:1.5rem;right:1.5rem;z-index:90;display:flex;flex-direction:column;gap:.7rem;align-items:flex-end;}
.float-btn{display:flex;align-items:center;gap:.5rem;padding:.7rem 1.1rem;border-radius:100px;font-size:.85rem;font-weight:700;text-decoration:none;cursor:pointer;transition:transform .2s,box-shadow .2s;white-space:nowrap;}
.float-btn .ico{font-size:1.05rem;}
.float-btn:hover{transform:translateY(-2px);}
.float-btn.main{background:var(--cyan);color:#001014;box-shadow:0 4px 20px rgba(0,194,209,.4);}
.float-btn.kakao{background:#FEE500;color:#3A1D1D;}

/* 페이드인 */
.fade-in{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease;}
.fade-in.visible{opacity:1;transform:translateY(0);}

/* 파티클 */
#particle-canvas{position:fixed;inset:0;pointer-events:none;z-index:0;}

/* 반응형 */
@media(max-width:1100px){nav .nav-links{display:none;}.menu-toggle{display:block;}}
@media(max-width:768px){.gnb-tel{display:none;}.footer-top{gap:2rem;}}