/* SNI — 수납장문설치 업체 Roots */
/* Primary:#2C3E50 Secondary:#5B7FA6 Accent:#E67E22 */

/* ─── Reset & Base ─── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;scroll-padding-top:72px;-webkit-text-size-adjust:100%;}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto;}}
img,picture,video,canvas,svg{display:block;max-width:100%;}
input,button,textarea,select{font:inherit;}
p,h1,h2,h3,h4,h5,h6{overflow-wrap:break-word;word-break:keep-all;}
summary{list-style:none;}
summary::-webkit-details-marker{display:none;}

/* ─── Typography ─── */
body{
    font-family:'Noto Sans KR',sans-serif;
    font-size:16px;
    line-height:1.75;
    color:#1A1A1A;
    background:#FAFAF8;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
}
h1,h2,h3,h4{
    font-family:'Noto Sans KR',sans-serif;
    font-weight:700;
    line-height:1.2;
    letter-spacing:-.02em;
    word-break:keep-all;
}

/* ─── Container ─── */
.container{max-width:1280px;margin:0 auto;padding:0 24px;}

/* ─── Buttons ─── */
.btn-primary{
    display:inline-flex;align-items:center;gap:8px;
    background:#E67E22;color:#fff;
    padding:14px 32px;
    font-size:16px;font-weight:600;
    text-decoration:none;
    border:none;cursor:pointer;
    transition:background .3s,transform .3s,box-shadow .3s;
}
.btn-primary:hover{background:#ca6f1e;transform:translateY(-2px);box-shadow:0 6px 20px rgba(230,126,34,.3);}
.btn-outline{
    display:inline-flex;align-items:center;gap:8px;
    background:transparent;
    padding:14px 32px;
    font-size:16px;font-weight:600;
    text-decoration:none;border:2px solid rgba(255,255,255,.45);
    color:#fff;cursor:pointer;
    transition:background .3s,border-color .3s;
}
.btn-outline:hover{background:rgba(255,255,255,.1);}

/* ─── Cards ─── */
.card{
    background:#fff;
    box-shadow:0 1px 3px rgba(0,0,0,.04);
    border:1px solid rgba(0,0,0,.08);
    overflow:hidden;
    transition:transform .35s,box-shadow .35s;
}
.card:hover{transform:translateY(-4px);box-shadow:0 8px 32px rgba(0,0,0,.07);}

/* ─── FAQ Accordion ─── */
.cc-faq-item{background:#fff;border:1px solid rgba(0,0,0,.08);margin-bottom:8px;}
.faq-q{
    padding:20px 24px;
    font-size:16px;font-weight:600;color:#1A1A1A;
    cursor:pointer;
    display:flex;justify-content:space-between;align-items:center;
    user-select:none;
}
.faq-icon{font-size:22px;color:#E67E22;transition:transform .3s;flex-shrink:0;margin-left:12px;}
.cc-faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.cc-faq-item.open .faq-a{max-height:400px;}
.faq-a p{padding:0 24px 20px;font-size:15px;color:#3D3D3D;line-height:1.8;word-break:keep-all;}

/* ─── Sections ─── */
section{padding:96px 24px;}
.sec-hd{text-align:center;margin-bottom:48px;}
.sec-hd h2{font-size:clamp(1.75rem,4vw,2.5rem);color:#1A1A1A;margin-bottom:12px;}
.sec-hd p{font-size:16px;color:#3D3D3D;max-width:540px;margin:0 auto;word-break:keep-all;}
.sec-hd.light h2{color:#fff;}
.sec-hd.light p{color:rgba(255,255,255,.8);}

/* ─── Grid utilities ─── */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}

/* ─── Fade-in animation ─── */
.fade-in-up{opacity:0;transform:translateY(24px);transition:.7s cubic-bezier(.16,1,.3,1);}
.fade-in-up.is-visible{opacity:1;transform:translateY(0);}

/* ─── Number counter ─── */
.counter{display:inline-block;}

/* ─── Responsive ─── */
@media(max-width:768px){
    section{padding:64px 20px;}
    .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:480px){
    section{padding:48px 16px;}
    .grid-2{grid-template-columns:1fr;}
    .grid-3{grid-template-columns:1fr;}
    .grid-4{grid-template-columns:repeat(2,1fr);gap:12px;}
    .btn-primary,.btn-outline{padding:13px 24px;font-size:15px;}
}