/* ㈜올앤올 홈페이지 공통 스타일 — 모바일 먼저 */
:root{
  --orange:#F46717; --orange-text:#B84A0C; --orange-tint:#FFF0E6; --orange-soft:#F7925A;
  --char:#393536; --char-2:#4A4546; --ink:#222222; --ink-on-orange:#1A1A1A;
  --gray:#666666; --line:#D6D6D6; --line-2:#E2E2E2; --tint:#F4F4F4; --muted-on-dark:#C9C6C6;
  --foot:#141414; --radius:12px; --wrap:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:'Noto Sans KR',system-ui,-apple-system,'Apple SD Gothic Neo','Malgun Gothic',sans-serif;color:var(--ink);background:#fff;line-height:1.6;word-break:keep-all;overflow-wrap:break-word;font-size:16px}
img{max-width:100%;height:auto;display:block}
.nw{white-space:nowrap}
a{color:inherit;text-decoration:none}
a:hover{color:var(--orange-text)}
h1,h2,h3,p,ul,ol,figure,blockquote{margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:100}
:focus-visible{outline:3px solid var(--orange);outline-offset:2px}

/* 머리 */
.site-head{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line-2)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:64px}
.brand{display:flex;align-items:center;gap:12px;min-height:44px}
.brand img{height:32px;width:auto}
.brand small{font-size:11px;font-weight:700;color:var(--gray);line-height:1.25;display:none}
.menu-btn{width:48px;height:48px;border:0;background:transparent;display:flex;align-items:center;justify-content:center;cursor:pointer}
.gnb{display:none;position:absolute;left:0;right:0;top:64px;background:#fff;border-bottom:1px solid var(--line-2);flex-direction:column}
.gnb.open{display:flex}
.gnb a{min-height:56px;padding:0 20px;display:flex;align-items:center;font-weight:700;font-size:17px;border-top:1px solid #F0F0F0}
.gnb a[aria-current=page]{color:var(--orange-text)}
.btn.head-cta{display:none}

/* 버튼 */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 26px;border-radius:6px;background:var(--orange);color:var(--ink-on-orange);font-weight:900;font-size:17px;border:0;cursor:pointer;font-family:inherit}
.btn:hover{color:var(--ink-on-orange);filter:brightness(1.05)}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 26px;border-radius:6px;border:1px solid #8A8586;color:#fff;font-weight:700;font-size:17px}
.btn-ghost:hover{color:#fff;border-color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}
.more{display:inline-flex;align-items:center;min-height:44px;font-weight:700;color:var(--orange-text)}

/* 구역 */
.sec{padding:56px 0}
.sec.gray{background:var(--tint)}
.sec.dark{background:var(--char);color:#fff}
.sec-head{display:flex;flex-direction:column;gap:8px;margin-bottom:28px}
.sec-head h2,.h2{font-size:26px;font-weight:900;line-height:1.35}
.sec-head p{color:var(--gray);font-size:16px}
.sec.dark .sec-head p{color:var(--muted-on-dark)}
.kicker{font-size:14px;font-weight:700;color:var(--orange-soft)}
.hero-kicker{font-size:22px;line-height:1.4}

/* 첫 화면 */
.hero{background:var(--char);color:#fff}
.hero .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:40px;padding-top:44px;padding-bottom:52px}
.hero-text{flex:999 1 520px;min-width:0;display:flex;flex-direction:column;gap:18px}
.hero h1{font-size:30px;line-height:1.3;font-weight:900}
.hero p.lead{font-size:16px;color:var(--muted-on-dark)}
.hero-art{flex:1 1 360px;min-width:0;display:none}
.hero.sub .wrap{padding-top:44px;padding-bottom:48px}

/* 숫자 띠 */
.stats{background:var(--orange);color:var(--ink-on-orange)}
.stats .wrap{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;padding-top:28px;padding-bottom:28px}
.stats strong{display:block;font-size:30px;font-weight:900;line-height:1.2}
.stats span{font-size:13px;font-weight:500}

/* 카드 */
.grid{display:grid;grid-template-columns:minmax(0,1fr);gap:14px}
.card{padding:22px;border-radius:var(--radius);background:var(--tint);display:flex;flex-direction:column;gap:8px}
.sec.gray .card{background:#fff}
.card.tint{background:var(--orange-tint)}
.card.dark,.sec.gray .card.dark{background:var(--char);color:#fff}
.card.dark .sub{color:var(--muted-on-dark)}
.card.line{background:#fff;border:1px solid var(--line)}
.card h3{font-size:19px;font-weight:700;line-height:1.4}
.card .tag{font-size:13px;font-weight:700;color:var(--orange-text)}
.card.dark .tag{color:var(--orange-soft)}
.card .sub{font-size:14px;color:var(--gray)}
.card .src{font-size:12px;color:var(--gray);margin-top:auto}
a.card:hover{outline:2px solid var(--orange)}

/* 옆으로 밀기 (모바일) */
.swipe{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;margin-right:-20px;padding-right:20px;padding-bottom:6px}
.swipe>.card{flex:0 0 78%;scroll-snap-align:start}
.swipe-hint{font-size:13px;color:var(--gray);margin-top:8px}

/* 표 */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);background:#fff}
table{width:100%;min-width:680px;border-collapse:collapse;font-size:15px}
th,td{padding:13px 14px;text-align:center;vertical-align:middle;border-bottom:1px solid var(--line-2)}
th{background:var(--char);color:#fff;font-weight:700}
tbody tr:nth-child(even){background:#FAFAFA}
td.b{font-weight:700}
td.o{font-weight:700;color:var(--orange-text)}
.note{font-size:13px;color:var(--gray);margin-top:10px}

/* 단계 */
.steps{list-style:none;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.steps li{padding:16px;border-radius:10px;background:#fff;display:flex;flex-direction:column;gap:2px}
.steps b{font-size:13px;color:var(--orange-text)}
.steps strong{font-size:16px}
.steps span{font-size:13px;color:var(--gray)}
.sec:not(.gray) .steps li{background:var(--tint)}

/* 고객 */
.clients{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:20px}
.clients div{min-height:60px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--char);text-align:center;padding:8px}

/* 특허 */
.patents{padding:24px;border-radius:var(--radius);background:var(--char);color:#fff;margin-top:20px}
.patents h3{font-size:22px;font-weight:900}
.patents p{color:var(--muted-on-dark);font-size:14px;margin:4px 0 14px}
.patents ul{list-style:none;padding:0;display:grid;grid-template-columns:minmax(0,1fr);gap:8px}
.patents li{padding:12px 14px;border-radius:8px;background:var(--char-2);display:flex;flex-direction:column;font-size:15px}
.patents li span{font-size:12px;color:var(--muted-on-dark)}

/* 필터 */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.filters button{min-height:44px;padding:0 16px;border-radius:22px;border:1px solid var(--line);background:#fff;color:var(--ink);font:inherit;font-size:15px;cursor:pointer}
.filters button[aria-pressed=true]{background:var(--char);border-color:var(--char);color:#fff;font-weight:700}

/* 마지막 행동 유도 */
.cta-final{background:var(--char);color:#fff}
.cta-final .wrap{padding-top:56px;padding-bottom:56px;display:flex;flex-direction:column;align-items:flex-start;gap:16px}
.cta-final strong.big{font-size:26px;line-height:1.35;font-weight:900}
.cta-final ul{padding-left:20px;color:var(--muted-on-dark);display:flex;flex-direction:column;gap:4px}

/* 문의 양식 */
.form{padding:22px;border-radius:var(--radius);background:var(--tint);display:flex;flex-direction:column;gap:16px}
.form label,.form legend{display:flex;flex-direction:column;gap:6px;font-size:15px;font-weight:700}
.form input[type=text],.form input[type=tel],.form input[type=email],.form select,.form textarea{min-height:52px;padding:0 14px;border:1px solid var(--line);border-radius:8px;font:inherit;font-size:16px;font-weight:400;background:#fff;width:100%}
.form textarea{padding:12px 14px;min-height:120px;resize:vertical}
.form input[type=file]{font:inherit;font-weight:400;min-height:44px}
.form .agree{flex-direction:row;align-items:center;gap:10px;font-weight:400;min-height:44px}
.form .agree input{width:22px;height:22px;flex:none}
.form .opt{font-weight:400;color:var(--gray);font-size:13px}
.hidden{display:none}
dl.info{display:grid;grid-template-columns:96px 1fr;gap:10px 14px;font-size:15px}
dl.info dt{font-weight:700;color:var(--gray)}
dl.info dd{margin:0}

/* 바닥 */
.site-foot{background:var(--foot);color:#CFCFCF;border-top:4px solid var(--orange);font-size:13px}
.site-foot .wrap{padding-top:32px;padding-bottom:32px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px}
.site-foot img{height:26px;width:auto;margin-bottom:8px;align-self:flex-start}
.site-foot a{color:#fff}
.site-foot .col{display:flex;flex-direction:column;gap:4px}

/* 모바일 아래 고정 바 */
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:60;height:68px;padding:10px 12px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;background:#fff;border-top:1px solid var(--line-2)}
.mbar a{display:flex;align-items:center;justify-content:center;border-radius:6px;font-weight:700;font-size:16px}
.mbar .call{border:1px solid var(--char)}
.mbar .quote{background:var(--orange);color:var(--ink-on-orange);font-weight:900}
body{padding-bottom:68px}

/* 태블릿 768px~ */
@media (min-width:768px){
  .wrap{padding:0 32px}
  .sec{padding:80px 0}
  .sec-head h2,.h2{font-size:32px}
  .hero h1{font-size:42px}
  .hero p.lead{font-size:18px}
  .hero-kicker{font-size:28px}
  .stats .wrap{grid-template-columns:repeat(4,minmax(0,1fr))}
  .stats strong{font-size:40px}
  .stats span{font-size:15px}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .card{padding:28px}
  .swipe{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));overflow:visible;margin-right:0;padding-right:0}
  .swipe>.card{flex:none}
  .swipe-hint{display:none}
  .steps{grid-template-columns:repeat(4,minmax(0,1fr))}
  .clients{grid-template-columns:repeat(3,minmax(0,1fr))}
  .patents ul{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-final strong.big{font-size:34px}
  .form{padding:32px}
  .brand small{display:block}
}
/* PC 1200px~ */
@media (min-width:1200px){
  .menu-btn{display:none}
  .gnb{display:flex;position:static;flex-direction:row;gap:28px;border:0;background:transparent}
  .gnb a{min-height:44px;padding:0;border:0;font-size:16px;font-weight:500}
  .gnb a[aria-current=page]{font-weight:700}
  .btn.head-cta{display:inline-flex;min-height:44px;font-size:15px;padding:0 20px}
  .brand img{height:40px}
  .hero .wrap{padding-top:88px;padding-bottom:96px}
  .hero h1{font-size:52px}
  .hero-art{display:block}
  .grid.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
  .swipe,.grid.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(7,minmax(0,1fr))}
  .clients{grid-template-columns:repeat(5,minmax(0,1fr))}
  .patents ul{grid-template-columns:repeat(4,minmax(0,1fr))}
  .patents{padding:32px}
  .sec-head h2,.h2{font-size:38px}
  .mbar{display:none}
  body{padding-bottom:0}
}

/* 비교표: 휴대폰에서는 줄마다 카드로 */
@media (max-width:767px){
  .cmp-wrap{overflow:visible;border:0;background:transparent}
  table.cmp{min-width:0;border-collapse:separate}
  .cmp thead{display:none}
  .cmp tr{display:block;background:#fff !important;border:1px solid var(--line);border-radius:10px;margin-bottom:10px;padding:6px 0}
  .cmp td{display:block;text-align:right;border:0;padding:8px 14px;font-size:14px;overflow:hidden}
  .cmp td::before{content:attr(data-label);font-weight:700;color:var(--gray);float:left;margin-right:12px}
  .cmp td.no{display:none}
  .cmp td.it{display:block;text-align:left;font-size:16px;border-bottom:1px solid var(--line-2)}
  .cmp td.it::before{content:none}
}