/* ============================================================
   C&S TOOL - about 공통 스타일
   ============================================================ */
:root {
  --red:#D8222A; --red-dark:#A01820; --red-glow:rgba(216,34,42,0.25);
  --gray:#8A8A8A; --gray-light:#C8C8C8;
  --dark:#0F0F0F; --dark2:#181818; --dark3:#222222; --dark4:#2C2C2C;
  --white:#FFFFFF; --green:#22c55e;
  --font-en:'Bebas Neue','Barlow Condensed',sans-serif;
  --font-ko:'Noto Sans KR',sans-serif;
  --nav-h:80px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{background:var(--dark);color:var(--white);font-family:var(--font-ko);font-size:15px;line-height:1.6;overflow-x:hidden;}
a{color:inherit;text-decoration:none;}

/* ── HEADER ── */
header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(10,10,10,0.95);backdrop-filter:blur(16px);border-bottom:1px solid rgba(216,34,42,0.3);height:var(--nav-h);display:flex;align-items:center;}
.header-inner{max-width:1380px;margin:0 auto;padding:0 40px;width:100%;display:flex;align-items:center;gap:60px;}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.logo-icon{width:48px;height:48px;background:var(--red);border-radius:8px;display:flex;align-items:center;justify-content:center;font-family:var(--font-en);font-size:16px;font-weight:900;color:white;}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-text .brand{font-family:var(--font-en);font-size:20px;letter-spacing:2px;}
.logo-text .sub{font-size:10px;color:var(--gray);letter-spacing:3px;}
nav{flex:1;}
nav ul{list-style:none;display:flex;}
nav ul li{position:relative;}
nav ul li>a{display:block;padding:0 20px;height:var(--nav-h);line-height:var(--nav-h);font-size:14px;font-weight:500;color:var(--gray-light);transition:color 0.2s;white-space:nowrap;}
nav ul li>a:hover,nav ul li.active>a{color:var(--red);}
nav ul li>a::after{content:'';position:absolute;bottom:0;left:20px;right:20px;height:2px;background:var(--red);transform:scaleX(0);transition:transform 0.25s;}
nav ul li:hover>a::after,nav ul li.active>a::after{transform:scaleX(1);}
.dropdown{position:absolute;top:100%;left:0;background:var(--dark2);border:1px solid var(--dark4);border-top:2px solid var(--red);min-width:180px;padding:8px 0;opacity:0;visibility:hidden;transform:translateY(-8px);transition:all 0.22s ease;box-shadow:0 16px 40px rgba(0,0,0,0.6);}
nav ul li:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown li a{display:block;padding:10px 20px;font-size:13px;color:var(--gray);height:auto;line-height:1.4;transition:all 0.2s;}
.dropdown li a:hover{color:white;background:rgba(216,34,42,0.1);padding-left:28px;}
.dropdown li a::after{display:none;}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.btn-nav-quote{background:var(--red);color:white;padding:9px 22px;border-radius:4px;font-size:13px;font-weight:700;transition:background 0.2s;}
.btn-nav-quote:hover{background:var(--red-dark);}
.btn-nav-login{border:1px solid var(--dark4);color:var(--gray);padding:9px 18px;border-radius:4px;font-size:13px;transition:all 0.2s;}
.btn-nav-login:hover{border-color:var(--gray);color:white;}

/* ── PAGE HERO ── */
.page-hero{padding:calc(var(--nav-h) + 60px) 0 60px;background:linear-gradient(135deg,var(--dark2),var(--dark));border-bottom:1px solid var(--dark4);position:relative;overflow:hidden;}
.page-hero::before{content:'';position:absolute;right:0;top:0;bottom:0;width:40%;background:radial-gradient(ellipse at right,rgba(216,34,42,0.08),transparent 70%);}
.page-hero-inner{max-width:1380px;margin:0 auto;padding:0 40px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--gray);margin-bottom:20px;}
.breadcrumb a:hover{color:var(--red);}
.breadcrumb span{color:var(--dark4);}
.page-tag{font-family:'Barlow Condensed',sans-serif;font-size:11px;letter-spacing:4px;color:var(--red);text-transform:uppercase;margin-bottom:12px;display:flex;align-items:center;gap:12px;}
.page-tag::before{content:'';width:24px;height:2px;background:var(--red);}
.page-title{font-family:'Bebas Neue',sans-serif;font-size:clamp(40px,5vw,68px);line-height:1;margin-bottom:12px;}
.page-desc{color:var(--gray);font-size:14px;font-weight:300;}

/* ── BODY & LAYOUT ── */
.page-body{max-width:1380px;margin:0 auto;padding:60px 40px;}
.page-layout{display:grid;grid-template-columns:240px 1fr;gap:40px;align-items:start;}

/* ── SIDEBAR ── */
.sidebar{position:sticky;top:calc(var(--nav-h) + 24px);background:var(--dark3);border:1px solid var(--dark4);}
.sidebar-title{padding:18px 24px;border-bottom:1px solid var(--dark4);font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--gray);font-family:'Barlow Condensed',sans-serif;}
.sidebar-menu{list-style:none;}
.sidebar-menu li a{display:block;padding:14px 24px;font-size:13px;color:var(--gray);border-bottom:1px solid rgba(255,255,255,0.04);transition:all 0.2s;}
.sidebar-menu li a:hover,.sidebar-menu li.active a{color:white;background:rgba(216,34,42,0.08);border-left:3px solid var(--red);padding-left:21px;}

/* ── ABOUT INDEX - 회사 소개 카드 ── */
.about-intro{display:grid;grid-template-columns:1fr 1fr;gap:2px;margin-bottom:60px;}
.about-intro-main{background:var(--dark3);padding:56px 48px;grid-column:1/-1;}
.about-intro-main .tag{font-family:'Barlow Condensed',sans-serif;font-size:11px;letter-spacing:4px;color:var(--red);text-transform:uppercase;display:flex;align-items:center;gap:12px;margin-bottom:20px;}
.about-intro-main .tag::before{content:'';width:24px;height:2px;background:var(--red);}
.about-intro-main h2{font-family:'Bebas Neue',sans-serif;font-size:clamp(36px,4vw,60px);line-height:1.1;margin-bottom:24px;}
.about-intro-main p{font-size:15px;color:var(--gray);line-height:2;max-width:760px;}

/* ── STAT ROW ── */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;margin-bottom:60px;}
.stat-box{background:var(--dark3);padding:36px 28px;text-align:center;transition:background 0.3s;position:relative;overflow:hidden;}
.stat-box::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform 0.35s;}
.stat-box:hover{background:var(--dark4);}
.stat-box:hover::before{transform:scaleX(1);}
.stat-num{font-family:'Bebas Neue',sans-serif;font-size:56px;line-height:1;color:var(--red);margin-bottom:8px;}
.stat-unit{font-family:'Barlow Condensed',sans-serif;font-size:14px;letter-spacing:2px;color:var(--gray);text-transform:uppercase;}
.stat-desc{font-size:12px;color:var(--gray);margin-top:8px;}

/* ── 사업 영역 ── */
.biz-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2px;margin-bottom:60px;}
.biz-card{background:var(--dark3);padding:40px 36px;transition:background 0.3s;position:relative;overflow:hidden;}
.biz-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform 0.35s;}
.biz-card:hover{background:var(--dark4);}
.biz-card:hover::before{transform:scaleX(1);}
.biz-icon{font-size:32px;margin-bottom:16px;}
.biz-name{font-size:18px;font-weight:700;margin-bottom:6px;}
.biz-name-en{font-family:'Barlow Condensed',sans-serif;font-size:11px;letter-spacing:3px;color:var(--gray);text-transform:uppercase;margin-bottom:14px;}
.biz-desc{font-size:13px;color:var(--gray);line-height:1.8;}

/* ── 파트너 브랜드 ── */
.brand-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:2px;}
.brand-box{background:var(--dark3);padding:28px 16px;text-align:center;transition:background 0.3s;}
.brand-box:hover{background:var(--dark4);}
.brand-name{font-family:'Barlow Condensed',sans-serif;font-size:16px;letter-spacing:2px;color:var(--gray-light);}
.brand-type{font-size:11px;color:var(--gray);margin-top:6px;}

/* ── HISTORY ── */
.history-wrap{position:relative;padding-left:40px;}
.history-wrap::before{content:'';position:absolute;left:0;top:8px;bottom:0;width:2px;background:var(--dark4);}
.history-year-group{margin-bottom:48px;}
.history-year{font-family:'Bebas Neue',sans-serif;font-size:48px;color:var(--red);margin-bottom:20px;line-height:1;}
.history-items{display:flex;flex-direction:column;gap:16px;}
.history-item{display:flex;gap:20px;align-items:flex-start;position:relative;}
.history-item::before{content:'';position:absolute;left:-46px;top:8px;width:10px;height:10px;border-radius:50%;background:var(--dark4);border:2px solid var(--dark4);transition:all 0.3s;}
.history-item:hover::before{background:var(--red);border-color:var(--red);}
.history-month{font-family:'Barlow Condensed',sans-serif;font-size:14px;letter-spacing:2px;color:var(--red);min-width:32px;flex-shrink:0;margin-top:2px;}
.history-text{font-size:14px;color:var(--gray-light);line-height:1.7;}
.history-text strong{color:white;display:block;margin-bottom:2px;}

/* ── VISION ── */
.vision-hero{background:var(--dark3);padding:80px 60px;text-align:center;margin-bottom:2px;position:relative;overflow:hidden;}
.vision-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 60% 80% at 50% 50%,rgba(216,34,42,0.07),transparent 70%);}
.vision-hero .tag{font-family:'Barlow Condensed',sans-serif;font-size:11px;letter-spacing:4px;color:var(--red);text-transform:uppercase;margin-bottom:20px;display:flex;align-items:center;justify-content:center;gap:16px;}
.vision-hero .tag::before,.vision-hero .tag::after{content:'';width:40px;height:1px;background:var(--red);}
.vision-statement{font-family:'Bebas Neue',sans-serif;font-size:clamp(32px,4vw,56px);line-height:1.2;margin-bottom:20px;position:relative;}
.vision-sub{font-size:15px;color:var(--gray);line-height:2;max-width:600px;margin:0 auto;position:relative;}
.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;margin-bottom:2px;}
.value-card{background:var(--dark3);padding:48px 36px;text-align:center;transition:background 0.3s;}
.value-card:hover{background:var(--dark4);}
.value-icon{font-size:40px;margin-bottom:20px;}
.value-name{font-family:'Bebas Neue',sans-serif;font-size:28px;letter-spacing:1px;margin-bottom:8px;}
.value-name-ko{font-size:14px;font-weight:700;color:var(--red);margin-bottom:16px;}
.value-desc{font-size:13px;color:var(--gray);line-height:1.9;}
.mission-grid{display:grid;grid-template-columns:1fr 1fr;gap:2px;}
.mission-card{background:var(--dark3);padding:40px 36px;}
.mission-card h3{font-family:'Bebas Neue',sans-serif;font-size:26px;margin-bottom:6px;}
.mission-card .en{font-family:'Barlow Condensed',sans-serif;font-size:11px;letter-spacing:3px;color:var(--red);text-transform:uppercase;margin-bottom:16px;}
.mission-card p{font-size:13px;color:var(--gray);line-height:1.9;}
.mission-card ul{list-style:none;display:flex;flex-direction:column;gap:10px;margin-top:12px;}
.mission-card ul li{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--gray);}
.mission-card ul li::before{content:'—';color:var(--red);flex-shrink:0;}

/* ── LOCATION ── */
.location-grid{display:grid;grid-template-columns:1fr 400px;gap:40px;align-items:start;}
.map-placeholder{background:var(--dark3);border:1px solid var(--dark4);height:420px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;font-size:14px;color:var(--gray);position:relative;overflow:hidden;}
.map-placeholder::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 60% 60% at 50% 50%,rgba(216,34,42,0.05),transparent);}
.map-icon{font-size:48px;opacity:0.4;}
.map-address{font-size:13px;text-align:center;line-height:1.8;}
.location-info{display:flex;flex-direction:column;gap:2px;}
.location-card{background:var(--dark3);padding:28px 28px;}
.location-card-title{font-family:'Barlow Condensed',sans-serif;font-size:11px;letter-spacing:3px;color:var(--red);text-transform:uppercase;margin-bottom:16px;}
.location-row{display:flex;gap:16px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,0.04);font-size:13px;}
.location-row:last-child{border-bottom:none;}
.location-label{color:var(--gray);min-width:64px;flex-shrink:0;}
.location-value{color:var(--gray-light);}
.location-value strong{color:white;}
.transport-item{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,0.04);}
.transport-item:last-child{border-bottom:none;}
.transport-icon{font-size:20px;flex-shrink:0;width:28px;text-align:center;}
.transport-text{font-size:13px;color:var(--gray);line-height:1.7;}
.transport-text strong{color:var(--gray-light);display:block;margin-bottom:3px;}

/* ── SECTION DIVIDER ── */
.section-title{font-family:'Bebas Neue',sans-serif;font-size:32px;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--dark4);}
.section-block{margin-bottom:56px;}

/* ── FOOTER ── */
footer{background:var(--dark);border-top:1px solid var(--dark4);padding:40px 0;}
.footer-simple{max-width:1380px;margin:0 auto;padding:0 40px;display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--gray);flex-wrap:wrap;gap:12px;}
.footer-simple a{color:var(--gray);}
.footer-simple a:hover{color:white;}

/* ── RESPONSIVE ── */
@media(max-width:960px){.page-layout{grid-template-columns:1fr}.sidebar{position:static}.about-intro{grid-template-columns:1fr}.stat-row{grid-template-columns:repeat(2,1fr)}.biz-grid{grid-template-columns:1fr}.values-grid{grid-template-columns:1fr}.mission-grid{grid-template-columns:1fr}.location-grid{grid-template-columns:1fr}.brand-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:768px){:root{--nav-h:64px;}nav ul{display:none;}.header-inner{gap:16px;padding:0 20px;}.page-hero-inner,.page-body{padding-left:20px;padding-right:20px;}.stat-row{grid-template-columns:1fr 1fr;}.brand-grid{grid-template-columns:repeat(2,1fr);}}