/*
Theme Name: Silicone Korho
Description: 실리콘코킹 전문 노출형 사이트 — 투명한 세상 (SEAL · PROTECT · FINISH)
Author: 투명한 세상
Version: 1.0
Text Domain: silicone-korho
*/

/* ===== Design tokens ===== */
:root{
  --c-main:#147D73;
  --c-dark:#173B3A;
  --c-accent:#D7A84B;
  --c-bg:#F5F7F5;
  --c-surface:#FFFFFF;
  --c-text:#202625;
  --c-sub:#66706D;
  --c-line:#E1E7E4;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 4px 20px rgba(23,59,58,.08);
  --container:1180px;
  --ff:'Pretendard','Noto Sans KR',-apple-system,BlinkMacSystemFont,'Malgun Gothic',sans-serif;
}

/* ===== Reset & base ===== */
*,*::before,*::after{box-sizing:border-box}
html,body{width:100%;max-width:100%;overflow-x:hidden}
body{margin:0;font-family:var(--ff);color:var(--c-text);background:var(--c-bg);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img,video,iframe,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{padding-left:1.2em}
table{border-collapse:collapse;width:100%}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.3;letter-spacing:-.01em;color:var(--c-dark)}
h1{font-size:clamp(32px,6vw,56px);font-weight:800}
h2{font-size:clamp(24px,4vw,36px);font-weight:800}
h3{font-size:clamp(18px,2.6vw,22px);font-weight:700}
p{margin:0 0 1em}
button{font-family:inherit;cursor:pointer}

.container{width:min(100% - 32px,var(--container));margin-inline:auto}
.grid{display:grid}
.grid>*,.flex>*{min-width:0}
.flex{display:flex}
section{padding:56px 0}
@media (max-width:640px){section{padding:36px 0}}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:50;background:rgba(245,247,245,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line)}
.site-header .row{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--c-dark)}
.brand img{width:32px;height:32px;border-radius:8px}
.header-cta{display:inline-flex;align-items:center;gap:6px;background:var(--c-main);color:#fff;padding:11px 22px;border-radius:999px;font-weight:700;font-size:14px;white-space:nowrap;transition:background .2s}
.header-cta:hover{background:var(--c-dark)}

/* ===== Hero ===== */
.hero{position:relative;padding:64px 0 72px;overflow:hidden;background:var(--c-dark)}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.42}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,59,58,.55),rgba(23,59,58,.88))}
.hero .container{position:relative;z-index:1}
.hero-kicker{color:var(--c-accent);font-size:13px;font-weight:700;letter-spacing:.28em;text-transform:uppercase;margin-bottom:16px}
.hero h1{color:#fff;margin-bottom:18px}
.hero-lead{color:#E8ECEA;font-size:clamp(15px,2vw,18px);max-width:640px;margin-bottom:28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}

.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:999px;font-weight:700;font-size:15px;border:none;transition:transform .18s,background .18s}
.btn-primary{background:var(--c-accent);color:var(--c-dark)}
.btn-primary:hover{transform:translateY(-2px);background:#c99a3d}
.btn-outline{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn-outline:hover{border-color:#fff}
.btn-block{background:var(--c-main);color:#fff;width:100%;justify-content:center}

/* ===== Section headings ===== */
.section-head{margin-bottom:32px;max-width:720px}
.eyebrow{color:var(--c-main);font-weight:700;font-size:13px;letter-spacing:.2em;text-transform:uppercase;margin-bottom:10px;display:block}
.section-head p{color:var(--c-sub)}

/* ===== Carousel / card grid ===== */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:900px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.card-grid{grid-template-columns:1fr}}

.svc-card{background:var(--c-surface);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column}
.svc-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(23,59,58,.14)}
.svc-card .thumb{aspect-ratio:1/1;overflow:hidden;background:var(--c-line)}
.svc-card .thumb img{width:100%;height:100%;object-fit:cover}
.svc-card .body{padding:18px 20px 22px;flex:1;display:flex;flex-direction:column}
.svc-card h3{margin-bottom:6px}
.svc-card p{color:var(--c-sub);font-size:14px;margin-bottom:14px;flex:1}
.svc-card .more{font-weight:700;color:var(--c-main);font-size:14px}

/* ===== Before / After ===== */
.ba-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
@media (max-width:720px){.ba-grid{grid-template-columns:1fr}}
.ba-set{background:var(--c-surface);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.ba-set .label{font-weight:700;font-size:14px;color:var(--c-dark);margin-bottom:10px}
.ba-pair{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.ba-pair figure{margin:0;position:relative;aspect-ratio:1/1;border-radius:var(--radius-sm);overflow:hidden;background:var(--c-line)}
.ba-pair figure img{width:100%;height:100%;object-fit:cover}
.ba-pair figcaption{position:absolute;left:8px;top:8px;background:rgba(23,59,58,.82);color:#fff;font-size:11px;font-weight:700;letter-spacing:.08em;padding:4px 10px;border-radius:999px;text-transform:uppercase}
.ba-pair figure.after figcaption{background:rgba(20,125,115,.9)}
.ba-caption{color:var(--c-sub);font-size:13px;margin-top:10px}

.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media (max-width:720px){.gallery-grid{grid-template-columns:repeat(2,1fr)}}
.gallery-grid figure{margin:0;aspect-ratio:1/1;border-radius:var(--radius-sm);overflow:hidden;background:var(--c-line);position:relative}
.gallery-grid figure img{width:100%;height:100%;object-fit:cover}
.gallery-grid figcaption{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(0deg,rgba(23,59,58,.82),transparent);color:#fff;font-size:12px;padding:20px 10px 8px}

/* ===== Content / table / list ===== */
.prose{max-width:760px}
.prose table{margin:20px 0;font-size:14.5px}
.prose th,.prose td{border:1px solid var(--c-line);padding:10px 14px;text-align:left}
.prose th{background:var(--c-bg);color:var(--c-dark);font-weight:700}
.prose table{width:100%;overflow-x:auto;display:block}
.prose ul{margin:16px 0}
.prose li{margin-bottom:6px}
.checklist{list-style:none;padding-left:0;display:grid;gap:10px}
.checklist li{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-sm);padding:12px 16px;display:flex;gap:10px;align-items:flex-start}
.checklist li::before{content:"✓";color:var(--c-main);font-weight:800;flex:none}

/* ===== FAQ ===== */
.faq-item{border-bottom:1px solid var(--c-line);padding:18px 0}
.faq-q{display:flex;justify-content:space-between;gap:16px;align-items:center;font-weight:700;cursor:pointer;font-size:16px;color:var(--c-dark)}
.faq-q .icon{flex:none;transition:transform .2s;color:var(--c-main);font-size:20px}
.faq-item.open .faq-q .icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;color:var(--c-sub);font-size:14.5px;transition:max-height .25s ease}
.faq-item.open .faq-a{max-height:600px;padding-top:12px}

/* ===== Related pages ===== */
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media (max-width:900px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.related-grid{grid-template-columns:1fr}}
.related-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-sm);padding:16px 18px;font-weight:700;color:var(--c-dark);transition:border-color .2s}
.related-card:hover{border-color:var(--c-main)}
.related-card span{display:block;font-weight:400;color:var(--c-sub);font-size:13px;margin-top:4px}

/* ===== CTA band ===== */
.cta-band{background:var(--c-dark);text-align:center;padding:64px 0}
.cta-band h2{color:#fff}
.cta-band p{color:#CFE0DD;margin-bottom:24px}

/* ===== Breadcrumb ===== */
.breadcrumb{font-size:13px;color:var(--c-sub);margin-bottom:18px}
.breadcrumb a{color:var(--c-sub)}
.breadcrumb a:hover{color:var(--c-main)}
.breadcrumb .sep{margin:0 6px}

/* ===== Footer ===== */
.site-footer{background:var(--c-dark);color:#C9D6D3;padding:48px 0 28px;font-size:13.5px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:32px;margin-bottom:32px}
@media (max-width:720px){.footer-grid{grid-template-columns:1fr}}
.site-footer h4{color:#fff;font-size:14px;margin-bottom:12px}
.site-footer .biz-info p{margin:0 0 4px;color:#AFC2BE}
.footer-links{display:flex;flex-direction:column;gap:8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;color:#8FA5A1}

/* ===== Region / service hub list ===== */
.hub-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:900px){.hub-list{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.hub-list{grid-template-columns:1fr}}

.lead-answer{font-size:clamp(16px,2.2vw,19px);color:var(--c-dark);background:var(--c-surface);border-left:4px solid var(--c-main);padding:18px 22px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin-bottom:32px}

/* ===== Mobile nav ===== */
.nav-toggle{display:none}
@media (max-width:640px){
  .header-cta{padding:9px 16px;font-size:13px}
  .hero{padding:44px 0 52px}
}