/* ============ Sinoflexistone custom site ============ */
:root{
  --cream:#F5EFE6; --cream2:#EFE6D8; --white:#fff;
  --ink:#1D1E20; --ink2:#4A443B; --muted:#7A7263;
  --olive:#779650; --olive-d:#5E7A3C;
  --brown:#5E3B27; --brown-p:#5E3B28; --brown-d:#3E2718; --brown-dd:#4A2E1D;
  --tan:#CFA34D; --sand:#D6B980; --line:#E0D5C2;
  --navy:#0D1B2B;
  --radius:12px; --shadow:0 10px 30px rgba(43,33,20,.10);
  --maxw:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--white);color:var(--ink);font:400 16px/1.65 Inter,-apple-system,system-ui,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--olive-d);text-decoration:none}
a:hover{color:var(--brown)}
h1,h2,h3,h4{line-height:1.18;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:-999px;top:0;background:var(--brown-d);color:#fff;padding:10px 18px;z-index:99}
.skip-link:focus{left:0;color:#fff}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:76px 0}
.center{text-align:center}
.sec-h1{font-size:clamp(1.9rem,4vw,2.8rem)}
.sec-h2{font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:.6em}
.sec-sub{color:var(--muted);max-width:640px;margin:0 auto 2em;font-size:1.02rem}
.textlink{font-weight:600;display:inline-block;margin-top:10px}
/* ---------- buttons ---------- */
.btn{display:inline-block;padding:13px 26px;border-radius:9px;font-weight:600;font-size:.95rem;letter-spacing:.01em;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;border:1.5px solid transparent;cursor:pointer}
.btn:hover{transform:translateY(-1px)}
.btn-brown{background:var(--brown-p);color:#fff}.btn-brown:hover{background:var(--brown-d);color:#fff}
.btn-olive{background:var(--olive);color:#fff}.btn-olive:hover{background:var(--olive-d);color:#fff}
.btn-light{background:#fff;color:var(--brown-d)}.btn-light:hover{background:var(--cream)}
.btn-ghost{border-color:rgba(255,255,255,.7);color:#fff}.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-line{border-color:var(--brown);color:var(--brown)}.btn-line:hover{background:var(--brown);color:#fff}
.hp{position:absolute !important;left:-9999px !important;width:1px !important;height:1px !important;opacity:0 !important;overflow:hidden;pointer-events:none}
.btn-big{padding:16px 34px;font-size:1rem}
/* ---------- header (brown, matches original) ---------- */
.site-header{position:sticky;top:0;z-index:50;background:var(--brown);border-bottom:1px solid rgba(0,0,0,.15)}
.header-in{display:flex;align-items:center;gap:24px;height:78px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-logo{height:52px;width:auto}
.brand-name{font-weight:800;font-size:1.06rem;letter-spacing:.14em;color:#fff}
.brand-accent{color:var(--sand)}
.primary-nav{margin-left:auto;display:flex;align-items:center;gap:6px}
.primary-nav ul{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:2px}
.primary-nav a{display:block;padding:9px 13px;font-weight:600;font-size:1rem;color:#fff;border-radius:8px}
.primary-nav a:hover{background:rgba(255,255,255,.1);color:#fff}
.primary-nav a.is-active{color:var(--sand);font-weight:700}
.primary-nav>.btn-cta{margin-left:12px;padding:11px 20px;background:#fff;color:var(--brown-d)}
.primary-nav>.btn-cta:hover{background:var(--cream);color:var(--brown-d);transform:none}
.wa-btn{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;background:var(--olive);margin-left:6px;flex:none}
.wa-btn:hover{background:var(--olive-d)}
.wa-btn svg{width:22px;height:22px;fill:#fff}
.has-sub{position:relative}
.has-sub>.subnav{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:10px;min-width:220px;display:none;grid-template-columns:1fr 1fr;gap:0 14px;z-index:60}
.has-sub:hover .subnav,.has-sub:focus-within .subnav{display:grid;transform:translateX(-50%) translateY(0)}
.subnav a{padding:8px 10px;font-size:.88rem;color:var(--ink);font-weight:500}
.subnav a:hover{background:var(--cream);color:var(--olive-d)}
.nav-toggle{display:none;margin-left:auto;background:none;border:0;width:44px;height:44px;cursor:pointer;flex-direction:column;justify-content:center;gap:5px}
.nav-toggle span{display:block;height:2.5px;width:24px;background:#fff;border-radius:2px;margin:0 auto;transition:.2s}
/* ---------- hero (home) ---------- */
.hero{position:relative;color:#fff;overflow:hidden;background:var(--brown-d)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.hero-ov{position:absolute;inset:0;background:linear-gradient(100deg,rgba(30,22,14,.82) 0%,rgba(30,22,14,.55) 55%,rgba(30,22,14,.25) 100%)}
.hero-in{position:relative;padding:110px 24px 120px;max-width:var(--maxw)}
.hero-kicker{text-transform:uppercase;letter-spacing:.22em;font-size:.8rem;font-weight:600;color:var(--tan);margin-bottom:18px}
.hero-h1{font-size:clamp(2.2rem,5vw,3.6rem);max-width:760px;color:#fff;margin-bottom:18px}
.hero-sub{max-width:600px;font-size:1.08rem;color:rgba(255,255,255,.88);margin-bottom:30px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
/* ---------- hero2 (original split hero: text left, YouTube video right, white bg) ---------- */
.hero2{background:#fff;padding:74px 0 86px}
.hero2-grid{display:grid;grid-template-columns:1fr 1.24fr;gap:56px;align-items:center}
.hero2-h1{color:#779650;font-size:clamp(1.7rem,3.1vw,2.05rem);line-height:1.3;margin-bottom:.4em}
.hero2-h2{color:var(--brown-d);font-size:clamp(1.05rem,1.8vw,1.3rem);line-height:1.4;margin-bottom:.9em}
.hero2-sub{color:#56585E;font-style:italic;font-size:1.04rem;line-height:1.72;margin-bottom:32px}
.btn-pill{display:inline-block;padding:15px 42px;border-radius:999px;border:1.5px solid var(--brown-d);color:var(--brown-d);font-weight:600;font-size:.98rem;transition:background .15s ease,color .15s ease}
.btn-pill:hover{background:var(--brown-d);color:#fff}
.hero2-video{width:100%;aspect-ratio:16/9;position:relative}
.hero2-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}
/* standalone installation video band (under the dark hero) */
.hero-video-sec{padding:70px 0 82px}
.hero-video{max-width:880px;margin:0 auto;aspect-ratio:16/9;position:relative;border-radius:12px;overflow:hidden;box-shadow:var(--shadow);background:var(--navy)}
.hero-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}
/* ---------- features ---------- */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.feature{background:#fff;border-top:4px solid var(--olive);border-radius:var(--radius);padding:28px;box-shadow:0 4px 18px rgba(43,33,20,.05)}
.feature-t{font-size:1.08rem;color:var(--brown-d)}
.feature p{color:var(--ink2);margin:0;font-size:.95rem}
/* ---------- intro band ---------- */
.intro-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:52px;align-items:center}
.intro-text .sec-h2{margin-bottom:.5em}
.intro-text p{color:var(--ink2)}
.swatches{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.swatch{text-align:center}
.swatch-img img{width:100%;max-width:104px;height:auto;display:block;margin:0 auto}
.swatch h4{font-size:.95rem;font-weight:700;color:var(--ink);margin:12px 0 4px}
.swatch p{font-size:.8rem;color:var(--muted);line-height:1.5}
/* ---------- split bands ---------- */
.band-split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.band-img img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%}
.band-text p{color:var(--ink2)}
.band-factory{background:var(--cream)}
/* ---------- duo cards ---------- */
.duo-cards{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:12px}
.duo-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:block;color:var(--ink)}
.duo-img{aspect-ratio:16/9;overflow:hidden}
.duo-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.duo-card:hover .duo-img img{transform:scale(1.04)}
.duo-txt{padding:24px 26px 28px}
.duo-txt h3{color:var(--brown-d)}
.duo-txt p{color:var(--ink2);font-size:.95rem}
.duo-txt span{font-weight:600;color:var(--olive-d)}
/* ---------- apps grid ---------- */
.band-apps{background:var(--cream2)}
.apps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.app-fig{margin:0;border-radius:10px;overflow:hidden;aspect-ratio:4/3}
.app-fig img{width:100%;height:100%;object-fit:cover}
.apps4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.app4{background:#fff;border-radius:var(--radius);padding:22px;border:1px solid var(--line)}
.app4 h3{font-size:1rem;color:var(--brown-d);margin-bottom:.4em}
.app4 p{margin:0;font-size:.92rem;color:var(--ink2)}
/* ---------- green band (cream, matches original) ---------- */
.band-green{background:var(--cream)}
.green-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:44px;align-items:center}
.green-txt .sec-h2{color:var(--brown-d)}
.green-txt p{color:var(--ink2)}
.green-list{list-style:none;margin:0;padding:0}
.green-list li{padding:12px 0 12px 34px;position:relative;border-bottom:1px solid var(--line);color:var(--ink2)}
.green-list li:before{content:"✓";position:absolute;left:0;top:10px;width:24px;height:24px;border-radius:50%;background:var(--olive);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.8rem}
/* ---------- cta band ---------- */
.cta-band{background:var(--brown);color:#fff;padding:64px 0}
.cta-in{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-h{font-size:clamp(1.4rem,2.6vw,1.9rem);color:#fff;max-width:600px}
.cta-band p{color:rgba(255,255,255,.85);margin:0}
.cta-btns{display:flex;gap:14px;flex-wrap:wrap}
/* ---------- page hero (inner pages) ---------- */
.page-hero{background:var(--white);padding:54px 0 46px;border-bottom:1px solid var(--line)}
.crumb{font-size:.86rem;color:var(--muted);margin-bottom:14px}
.crumb a{color:var(--muted)}
.crumb strong{color:var(--brown-d);font-weight:600}
.page-h1{font-size:clamp(1.8rem,3.6vw,2.6rem);color:var(--brown-d);margin-bottom:.35em}
.page-sub{color:var(--ink2);max-width:720px;font-size:1.05rem}
/* ---------- category strip / galleries ---------- */
.cat-strip{padding-top:36px}
.ggrid{display:grid;gap:14px}
.ggrid figure{margin:0;border-radius:10px;overflow:hidden}
.ggrid img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.g2{grid-template-columns:1fr 1fr}
.g3{grid-template-columns:repeat(3,1fr)}
/* ---------- tiles (store) ---------- */
.tiles-sec{background:var(--white)}
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.tile{display:block;background:var(--cream);border-radius:var(--radius);overflow:hidden;transition:transform .18s ease,box-shadow .18s ease}
.tile:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.tile-img{position:relative;aspect-ratio:4/3;overflow:hidden}
.tile-img img{width:100%;height:100%;object-fit:cover}
.tile-name{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 10px;background:linear-gradient(transparent,rgba(30,22,14,.82));color:#fff;font-weight:700;font-size:.98rem}
.tile-desc{padding:12px 14px 16px;font-size:.85rem;color:var(--ink2);margin:0}
/* ---------- product grid / cards ---------- */
.catalog-sec .series-h{font-size:1.15rem;color:var(--brown-d);margin:34px 0 16px;display:flex;align-items:baseline;gap:10px}
.series-n{font-size:.8rem;color:var(--muted);font-weight:600;background:var(--cream2);padding:2px 10px;border-radius:20px}
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pcard{background:#fff;border-radius:var(--radius);overflow:hidden;display:block;border:1px solid var(--line);transition:transform .18s ease,box-shadow .18s ease}
.pcard:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.pcard-img{aspect-ratio:1/1;overflow:hidden;background:var(--cream2)}
.pcard-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.pcard:hover .pcard-img img{transform:scale(1.05)}
.pcard-txt{padding:14px 16px 16px}
.pcard-txt h4{margin:0 0 2px;font-size:.98rem;color:var(--brown-d)}
.pcard-txt span{font-size:.8rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
/* ---------- faq ---------- */
.faq-sec{background:var(--white)}
.faq-wrap{max-width:800px}
.qa{border:1px solid var(--line);border-radius:10px;background:var(--cream);margin-bottom:12px;padding:0 20px}
.qa summary{cursor:pointer;font-weight:600;color:var(--brown-d);padding:16px 30px 16px 0;list-style:none;position:relative}
.qa summary:after{content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);font-size:1.4rem;color:var(--olive-d);transition:transform .2s}
.qa[open] summary:after{transform:translateY(-50%) rotate(45deg)}
.qa p{color:var(--ink2);padding:0 0 18px;margin:0}
/* ---------- product page (navy hero band, matches original) ---------- */
.prod-hero{background:var(--navy);padding:52px 0 46px;color:#fff}
.prod-hero .crumb{color:rgba(255,255,255,.62)}
.prod-hero .crumb a{color:rgba(255,255,255,.62)}
.prod-hero .crumb a:hover{color:var(--sand)}
.prod-hero .crumb strong{color:var(--sand);font-weight:600}
.page-h1-gold{color:var(--sand);font-size:clamp(1.9rem,3.8vw,2.7rem);margin-bottom:.2em}
.prod-series{display:inline-block;border:1px solid rgba(214,185,128,.55);color:var(--sand);font-weight:600;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;padding:5px 14px;border-radius:20px;margin:0 0 14px}
.prod-intro{color:rgba(255,255,255,.85);max-width:560px;font-size:1.02rem}
.prod-hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:start}
.spec-band .spec-title{color:var(--sand);font-size:.98rem;text-transform:uppercase;letter-spacing:.12em;margin-bottom:14px}
.spec-band .spec-dl{margin:0 0 16px;border-top:1px solid rgba(255,255,255,.28)}
.spec-band .spec-row{border-bottom:1px solid rgba(255,255,255,.14)}
.spec-band .spec-row dt{color:rgba(255,255,255,.65)}
.spec-band .spec-row dd{color:#fff}
.spec-band .spec-badge{color:rgba(255,255,255,.72)}
.spec-cta{display:flex;gap:12px;flex-wrap:wrap}
/* feature split (image + text) below the band */
.prod-feature .feature-split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.feature-img img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%}
.feature-h2{color:var(--olive-d);font-size:clamp(1.3rem,2.4vw,1.7rem);margin-bottom:.7em}
.feature-txt p{color:var(--ink2)}
/* spec card (kept for product gallery context) */
.spec-sec{background:var(--white)}
.spec-card{background:var(--cream);border-radius:16px;display:grid;grid-template-columns:.9fr 1.1fr;overflow:hidden}
.spec-img img{width:100%;height:100%;object-fit:cover;min-height:340px}
.spec-body{padding:34px 38px}
.spec-title{font-size:1.3rem;color:var(--brown-d);margin-bottom:18px}
.spec-dl{margin:0 0 18px;border-top:1px solid var(--line)}
.spec-row{display:flex;justify-content:space-between;gap:18px;padding:10px 0;border-bottom:1px solid var(--line)}
.spec-row dt{color:var(--muted);font-weight:500;font-size:.92rem}
.spec-row dd{margin:0;font-weight:600;color:var(--ink);text-align:right;font-size:.95rem}
.spec-badge{color:var(--muted);font-size:.9rem;margin-bottom:20px}
.stars{color:var(--tan);letter-spacing:2px;margin-right:6px}
.backlinks{padding:34px 0 46px;display:flex;gap:16px;flex-wrap:wrap}
.backlinks a{font-weight:600;font-size:.92rem;background:#fff;border:1px solid var(--line);padding:10px 20px;border-radius:24px;color:var(--ink)}
.backlinks a:hover{border-color:var(--brown);color:var(--brown);transform:none}
/* category gold title (matches original #cfa34d) */
.h1-gold{color:var(--tan)}
.stars-line{color:var(--tan);font-size:1.22rem;letter-spacing:4px;margin:0 0 14px;font-weight:400}
@media (max-width:860px){
  .prod-hero-grid{grid-template-columns:1fr;gap:30px}
  .prod-feature .feature-split{grid-template-columns:1fr}
}
/* ---------- prose ---------- */
.prose{max-width:1020px}
.prose .block-p{color:var(--ink2);font-size:1.02rem}
.block-fig{margin:26px 0;border-radius:12px;overflow:hidden}
.block-fig img{width:100%}
/* photo groups: consecutive images -> 3-col grid (original site pattern) */
.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:26px 0}
.photo-grid .block-fig{margin:0}
.photo-grid img{width:100%;aspect-ratio:5/3;object-fit:cover;border-radius:8px}
/* lone image: cap width so pages don't become wall-to-wall photos */
.block-fig.solo{max-width:720px;margin:26px auto}
/* ---------- prefooter (brown, matches original) ---------- */
.prefooter{background:var(--brown);padding:70px 0;border-top:1px solid rgba(0,0,0,.15)}
.prefooter-grid{display:grid;grid-template-columns:1.3fr 1fr 1.2fr;gap:44px}
.pf-title{font-size:1.05rem;color:var(--sand);text-transform:uppercase;letter-spacing:.1em;margin-bottom:14px}
.pf-about p{color:rgba(255,255,255,.82);font-size:.95rem}
.pf-label{color:rgba(255,255,255,.6);font-size:.88rem;margin-bottom:8px}
.pf-list{list-style:none;margin:0;padding:0}
.pf-list li{margin-bottom:10px}
.pf-list.big li{margin-bottom:12px;font-size:1.02rem}
.prefooter .pf-list a{color:#fff;font-weight:600}
.prefooter .pf-list a:hover{color:var(--sand)}
.pf-list a{color:var(--brown-d);font-weight:600}
.pf-list a:hover{color:var(--olive-d)}
.mini-form input,.mini-form textarea,.big-form input,.big-form select,.big-form textarea{width:100%;padding:13px 15px;border:1px solid rgba(255,255,255,.25);border-radius:9px;background:#fff;font:inherit;color:var(--ink);margin-bottom:12px}
.mini-form input::placeholder,.mini-form textarea::placeholder{color:#9a9187}
.mini-form button,.big-form button{width:100%}
.mini-form .btn{background:#fff;color:var(--brown-d);font-weight:700}
.mini-form .btn:hover{background:var(--cream)}
.big-form .frow{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.fgroup label{display:block;font-weight:600;font-size:.88rem;color:var(--brown-d);margin:0 0 6px}
.form-note{padding:14px 18px;border-radius:10px;margin-bottom:20px;font-weight:600}
.form-note.ok{background:#E8F0DC;color:#3E5A1E;border:1px solid #C6D8A8}
.form-note.err{background:#FBE9E7;color:#8C3B32;border:1px solid #EFC3BE}
.ticks{list-style:none;margin:0;padding:0}
.ticks li{padding:7px 0 7px 28px;position:relative;color:var(--ink2);font-size:.95rem}
.ticks li:before{content:"✓";position:absolute;left:0;color:var(--olive-d);font-weight:700}
/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:56px;align-items:start}
.contact-side{background:#fff;border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);position:sticky;top:96px}
/* ---------- footer ---------- */
.site-footer{background:var(--brown);color:rgba(255,255,255,.75);padding:34px 0}
.footer-in{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.footer-brand img{height:38px;width:auto;opacity:.95}
.footer-brand img:last-child{height:30px;margin-left:8px}
.footer-nav{margin-left:auto;display:flex;gap:20px}
.footer-nav a{color:rgba(255,255,255,.75);font-size:.9rem}
.footer-nav a:hover{color:#fff}
.copyright{width:100%;font-size:.82rem;color:rgba(255,255,255,.5);margin:0;border-top:1px solid rgba(255,255,255,.12);padding-top:16px}
/* ---------- stone talk (factory blog section) ---------- */
.st-band{background-color:#8d8d8d;background-size:cover;background-position:center;padding:72px 0}
.st-band-h2{color:#fff;font-size:clamp(2rem,4.4vw,3rem);margin-bottom:.35em}
.st-band-sub{color:rgba(255,255,255,.92);font-size:1.15rem;margin:0}
.st-sec{padding-top:56px}
.st-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:44px 26px}
.st-card{display:block}
.st-card-img{aspect-ratio:8/5;overflow:hidden;border-radius:10px;background:var(--cream2)}
.st-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.st-card:hover .st-card-img img{transform:scale(1.05)}
.st-card h3{font-size:1.02rem;line-height:1.45;margin:14px 0 0;color:var(--ink);font-weight:700}
.st-card:hover h3{color:var(--olive-d)}
.st-pager{display:flex;justify-content:center;align-items:center;gap:10px;margin-top:46px}
.st-pg{min-width:38px;height:38px;padding:0 12px;border:1px solid var(--line);background:#fff;border-radius:8px;font-weight:600;font-size:1rem;color:var(--ink2);cursor:pointer;display:inline-flex;align-items:center;justify-content:center}
.st-pg:hover{border-color:var(--brown);color:var(--brown)}
.st-pg.is-on{background:var(--brown);border-color:var(--brown);color:#fff}
.st-pg:disabled{opacity:.4;cursor:default;border-color:var(--line);color:var(--ink2)}
/* ---------- responsive ---------- */
/* narrow desktop rendering (phone "request desktop site"): compress nav so it fits */
@media (max-width:1100px){
  .primary-nav a{font-size:.88rem;padding:9px 8px}
  .primary-nav>.btn-cta{padding:9px 14px}
}
@media (max-width:1020px){
  .pgrid,.tiles{grid-template-columns:repeat(3,1fr)}
  .apps4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .nav-toggle{display:flex}
  .primary-nav{position:fixed;inset:78px 0 auto 0;background:var(--brown);flex-direction:column;align-items:stretch;gap:0;padding:16px 24px 28px;border-bottom:1px solid rgba(0,0,0,.2);box-shadow:var(--shadow);display:none;max-height:calc(100vh - 78px);overflow:auto}
  .primary-nav.open{display:flex}
  .primary-nav ul{flex-direction:column;align-items:stretch;gap:0}
  .primary-nav>ul>li>a{padding:13px 6px;border-bottom:1px solid var(--line)}
  .has-sub .subnav{position:static;transform:none;display:grid;grid-template-columns:1fr 1fr;gap:0;background:none;border:0;box-shadow:none;padding:4px 0 10px;min-width:0}
  .has-sub:hover .subnav{display:grid}
  .subnav a{color:rgba(255,255,255,.92)}
  .subnav a:hover{background:rgba(255,255,255,.08);color:#fff}
  .primary-nav>.btn-cta{margin:16px 0 0}
  .features,.intro-grid,.band-split,.green-grid,.duo-cards,.prefooter-grid,.contact-grid{grid-template-columns:1fr}
  .spec-card{grid-template-columns:1fr}
  .spec-img img{min-height:0;aspect-ratio:4/3}
  .hero2{padding:52px 0 60px}
  .hero2-grid{grid-template-columns:1fr;gap:34px}
  .hero2-sub{margin-bottom:26px}
  .st-grid{grid-template-columns:1fr;gap:34px}
  .st-band{padding:56px 0}
  .hero-in{padding:80px 24px 84px}
  .ggrid.g3,.apps-grid{grid-template-columns:repeat(2,1fr)}
  .contact-side{position:static}
  .swatches{grid-template-columns:1fr 1fr;gap:22px}
  .photo-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .photo-grid{grid-template-columns:1fr}
  .block-fig.solo{max-width:100%}
  .pgrid,.tiles{grid-template-columns:repeat(2,1fr)}
  .apps4{grid-template-columns:1fr}
  .big-form .frow{grid-template-columns:1fr}
  .section{padding:54px 0}
  .cta-in{flex-direction:column;align-items:flex-start}
}

/* ---------- SEO content blocks (product overview / applications) ---------- */
.prod-overview{font-size:1.06rem;color:var(--ink)}
.apps-list li{font-size:.98rem}
.faq-sec .sec-h2.center{margin-bottom:26px}

/* ---------- blog ---------- */
.blog-sec{padding-top:36px}
.blog-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:38px}
.bchip{display:inline-block;padding:8px 18px;border:1px solid var(--line);border-radius:999px;font-size:.92rem;font-weight:600;color:var(--ink2);background:#fff}
.bchip:hover{border-color:var(--brown);color:var(--brown)}
.bchip.is-on{background:var(--brown);border-color:var(--brown);color:#fff}
.bcard-cat{display:inline-block;font-size:.76rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--olive-d);margin-top:14px}
.bcard-excerpt{font-size:.92rem;color:var(--ink2);line-height:1.55;margin:8px 0 0}
.bcard-meta{display:block;font-size:.82rem;color:var(--muted);margin-top:10px}
.bfeat{display:grid;grid-template-columns:1.15fr 1fr;gap:0;align-items:center;background:var(--cream2);border-radius:14px;overflow:hidden;margin-top:8px}
.bfeat-img{aspect-ratio:16/10;overflow:hidden}
.bfeat-img img{width:100%;height:100%;object-fit:cover}
.bfeat-txt{padding:38px 42px 38px 38px}
.bfeat-txt h2{font-size:clamp(1.35rem,2.6vw,1.85rem);line-height:1.3;margin:10px 0 12px;color:var(--ink)}
.bfeat-txt p{color:var(--ink2);line-height:1.6;margin:0}
.st-all{text-align:center;margin-top:46px}
.article-meta{font-size:.9rem;color:var(--muted);margin:14px 0 0}
.article-cover{margin:0;border-radius:12px;overflow:hidden}
.article-cover-in{width:100%;height:auto;display:block}
.article-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:48px;align-items:start}
.toc{position:sticky;top:90px;background:var(--cream2);border-radius:12px;padding:22px 24px}
.toc-h{font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0 0 12px}
.toc ul{list-style:none;margin:0;padding:0}
.toc li{font-size:.88rem;line-height:1.4;margin-bottom:9px}
.toc-l3{padding-left:14px}
.toc a{color:var(--ink2)}
.toc a:hover{color:var(--brown)}
.article-body{min-width:0}
.footer-blog{margin-top:20px}
.footer-blog-h{display:block;font-size:.76rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.footer-blog a{display:block;font-size:.88rem;color:var(--ink2);margin-bottom:5px}
.footer-blog a:hover{color:var(--brown)}
@media (max-width:900px){
  .bfeat{grid-template-columns:1fr}
  .bfeat-txt{padding:28px}
  .article-layout{grid-template-columns:1fr;gap:28px}
  .toc{position:static}
}