/* 3D viewer + service sub-page styles */
.sd-banner{background:linear-gradient(135deg,var(--secondary) 0%,#0d2252 100%);color:#fff;padding:60px 0 55px;text-align:center}
.sd-banner h1{font-size:2.6rem;font-weight:800;margin:10px 0 0}
.sd-banner p{color:rgba(255,255,255,.82);max-width:640px;margin:12px auto 0}
.sd-crumbs{font-size:.85rem;color:rgba(255,255,255,.7);margin-bottom:18px}
.sd-crumbs a{color:#fff;text-decoration:underline;text-underline-offset:3px}
.sd-main{padding:70px 0;background:#fff}
.sd-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:44px;align-items:start}
.sd-grid-wide{grid-template-columns:1.6fr 1fr}
.sd-info h2,.sd-specs h2,.sd-quote h2,.sd-related h2{font-size:1.9rem;font-weight:700;color:var(--secondary);margin:0 0 14px}
.sd-info p,.sd-quote p{color:var(--text-muted);line-height:1.75}
.sd-feats{list-style:none;padding:0;margin:20px 0;display:grid;gap:10px}
.sd-feats li{padding-left:28px;position:relative;color:var(--text-main);font-weight:500}
.sd-feats li::before{content:"✓";position:absolute;left:0;color:var(--primary);font-weight:800}
.sd-best{margin:0 0 22px}
.sd-cta{display:flex;flex-wrap:wrap;gap:12px}
.sd-specs{padding:70px 0;background:var(--bg-light)}
.spec-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;margin:0}
.spec-grid div{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);padding:20px}
.spec-grid dt{font-size:.8rem;font-weight:700;color:var(--primary);margin-bottom:6px}
.spec-grid dd{margin:0;font-weight:600;color:var(--secondary)}
.sd-note{font-size:.85rem;color:var(--text-muted);margin-top:16px}
.sd-quote{padding:70px 0;background:#fff}
.sd-contact{line-height:2}
.sd-form{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:30px;display:grid;gap:12px}
.sd-form h3{margin:0 0 6px;font-size:1.25rem;color:var(--secondary)}
.sd-related{padding:70px 0;background:var(--bg-light)}
.rel-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.rel-card{display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);padding:24px;transition:var(--transition)}
.rel-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--primary)}
.rel-card strong{color:var(--secondary);font-size:1.05rem}
.rel-card span{color:var(--text-muted);font-size:.9rem}
.rel-card em{font-style:normal;color:var(--primary);font-weight:700;font-size:.9rem}

.vp-wrap{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);overflow:hidden}
.vp-stage{position:relative;height:min(62vh,520px);min-height:340px;background:radial-gradient(ellipse at 50% 30%,#ffffff 0%,#e9edf5 60%,#d9dfec 100%);touch-action:none}
.vp-stage canvas{display:block;width:100%;height:100%;cursor:grab;outline:none}
.vp-stage canvas:active{cursor:grabbing}
.vp-hint{position:absolute;left:50%;bottom:12px;transform:translateX(-50%);margin:0;padding:6px 14px;border-radius:99px;background:rgba(0,17,52,.72);color:#fff;font-size:.78rem;pointer-events:none;white-space:nowrap}
.vp-fallback{display:none;position:absolute;inset:0;margin:0;padding:30px;align-items:center;justify-content:center;text-align:center;color:var(--text-muted)}
.vp-nogl .vp-fallback{display:flex}.vp-nogl .vp-hint{display:none}
.vp-bar{display:flex;flex-wrap:wrap;gap:8px;padding:14px 16px;border-top:1px solid var(--border)}
.vp-bar button,.chips button{font:600 .82rem var(--font-body);padding:9px 14px;border-radius:99px;border:1px solid var(--border);background:#fff;color:var(--secondary);cursor:pointer;transition:var(--transition)}
.vp-bar button:hover,.chips button:hover{border-color:var(--primary);color:var(--primary)}
.vp-bar button[aria-pressed=true],.chips button[aria-pressed=true]{background:var(--primary);border-color:var(--primary);color:#fff}
.vp-bar button:focus-visible,.chips button:focus-visible,.vp-sw:focus-visible,.vp-custom input:focus-visible{outline:3px solid var(--secondary);outline-offset:2px}
.vp-custom{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding:14px 16px 18px;border-top:1px solid var(--border);background:var(--bg-light)}
.vp-lbl{font-weight:700;font-size:.85rem;color:var(--secondary)}
.vp-sws{display:flex;gap:8px}
.vp-sw{width:28px;height:28px;border-radius:50%;border:3px solid #fff;box-shadow:0 0 0 1px var(--border);cursor:pointer}
.vp-sw[aria-pressed=true]{box-shadow:0 0 0 3px var(--secondary)}
.vp-custom input{flex:1;min-width:160px;padding:10px 14px;border:1px solid var(--border);border-radius:99px;font:inherit}
.chips{display:grid;gap:14px;margin-bottom:28px}
.chip-group{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.chip-group>span{font-weight:700;font-size:.85rem;color:var(--text-muted);min-width:150px}
.sd-main .vp-wrap{position:sticky;top:96px}
@media(max-width:992px){.sd-grid,.sd-grid-wide{grid-template-columns:1fr}.sd-main .vp-wrap{position:static}.sd-banner h1{font-size:2rem}.chip-group>span{min-width:100%}}
@media(max-width:480px){.sd-main,.sd-specs,.sd-quote,.sd-related{padding:48px 0}.vp-stage{min-height:300px}.vp-bar button{flex:1 1 auto}}
@media(prefers-reduced-motion:reduce){.rel-card,.vp-bar button{transition:none}}

/* Full screen mode (must out-rank the sticky rule above) */
.vp-wrap.vp-fs,.sd-main .vp-wrap.vp-fs{position:fixed;top:0;left:0;right:0;bottom:0;width:100vw;height:100vh;height:100dvh;max-width:none;margin:0;z-index:10000;border:0;border-radius:0;display:flex;flex-direction:column;box-shadow:none}
.vp-wrap.vp-fs .vp-stage{flex:1;height:auto;min-height:0}
.vp-exit{display:none;position:absolute;top:14px;right:14px;z-index:3;border:0;border-radius:99px;padding:10px 18px;background:rgba(0,17,52,.85);color:#fff;font:700 .85rem var(--font-body);cursor:pointer}
.vp-exit:hover{background:var(--primary)}
.vp-fs .vp-exit{display:block}

/* ===== 3D showroom page ===== */
.sh-info{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:28px}
.sh-head{display:flex;gap:14px;align-items:center;margin-bottom:12px}
.sh-ic{flex:none;width:58px;height:58px;border-radius:16px;background:#fee4e2;display:grid;place-items:center;font-size:1.8rem}
.sh-head h2{margin:6px 0 0;font-size:1.55rem;color:var(--secondary);line-height:1.2}
.sh-head .section-tag{margin-bottom:0}
.sh-tag{margin:0 0 10px;font-weight:600;color:var(--primary)}
.sh-desc{margin:0 0 6px;color:var(--text-muted);line-height:1.75}
.sh-h{margin:20px 0 8px;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--secondary)}
.sh-info .sd-feats{margin:0}
.sh-best{display:flex;flex-wrap:wrap;gap:8px}
.sh-best span{background:var(--bg-light);border:1px solid var(--border);border-radius:99px;padding:6px 14px;font-size:.85rem;font-weight:600;color:var(--secondary)}
.sh-specs{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0}
.sh-specs div{background:var(--bg-light);border:1px solid var(--border);border-radius:12px;padding:12px 14px}
.sh-specs dt{font-size:.72rem;font-weight:700;color:var(--primary);margin-bottom:2px;text-transform:uppercase;letter-spacing:.05em}
.sh-specs dd{margin:0;font-size:.9rem;font-weight:600;color:var(--secondary)}
.sh-info .sd-cta{margin-top:22px}
.sh-tips{margin-top:20px;background:#fff7f7;border:1px solid #f6c9cb;border-left:5px solid var(--primary);border-radius:12px;padding:14px 16px;font-size:.88rem;color:#344054}
.sh-tips ul{margin:6px 0 0;padding-left:18px;display:grid;gap:3px}
.sh-catalog{padding:80px 0;background:var(--bg-light)}
.sc-tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:30px 0 28px}
.sc-tab{font:600 .88rem var(--font-body);padding:10px 20px;border-radius:99px;border:1px solid var(--border);background:#fff;color:var(--secondary);cursor:pointer;transition:var(--transition)}
.sc-tab:hover{border-color:var(--primary);color:var(--primary)}
.sc-tab[aria-pressed=true]{background:var(--primary);border-color:var(--primary);color:#fff}
.sc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.sc-card{display:flex;flex-direction:column;text-align:left;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;cursor:pointer;padding:0;font:inherit;transition:transform .3s,box-shadow .3s,border-color .3s}
.sc-card:hover{transform:perspective(900px) rotateX(3deg) translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--primary)}
.sc-card[aria-current=true]{border-color:var(--primary);box-shadow:0 0 0 3px #fee4e2}
.sc-thumb{display:grid;place-items:center;aspect-ratio:4/3;background:radial-gradient(ellipse at 50% 30%,#fff 0%,#e9edf5 65%,#d9dfec 100%)}
.sc-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.sc-ph{font-size:2.6rem;opacity:.6}
.sc-body{display:flex;flex-direction:column;gap:4px;padding:16px 18px 18px}
.sc-grp{font-size:.7rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--primary)}
.sc-body strong{color:var(--secondary);font-size:1.02rem}
.sc-tg{color:var(--text-muted);font-size:.85rem;line-height:1.5}
.sc-body em{font-style:normal;font-weight:700;font-size:.85rem;color:var(--primary);margin-top:4px}
.sh-steps-sec{padding:80px 0;background:#fff}
.sh-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px}
.sh-step{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:28px;text-align:center}
.sh-step span{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:50%;background:var(--primary);color:#fff;font-weight:800;margin-bottom:12px}
.sh-step h4{margin:0 0 6px;color:var(--secondary);font-size:1.15rem}
.sh-step p{margin:0;color:var(--text-muted);font-size:.95rem;line-height:1.7}
.sh-cta-band{padding:80px 0;background:linear-gradient(135deg,var(--secondary),#0d2252);color:#fff;text-align:center}
.sh-cta-band h2{margin:0 0 10px;font-size:2rem;color:#fff}
.sh-cta-band p{margin:0 auto 24px;max-width:620px;color:rgba(255,255,255,.82)}
@media(max-width:1100px){.sc-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:820px){.sc-grid{grid-template-columns:repeat(2,1fr)}.sh-steps{grid-template-columns:1fr}.sh-specs{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.sc-grid{grid-template-columns:1fr}.sh-info{padding:22px}.sh-specs{grid-template-columns:1fr}.sh-catalog,.sh-steps-sec,.sh-cta-band{padding:56px 0}}
@media(prefers-reduced-motion:reduce){.sc-card,.sc-tab{transition:none}}

.pick-bar{display:flex;align-items:flex-end;gap:12px;max-width:560px;margin:0 auto 26px}
.pk-sel{flex:1;display:block;min-width:0}
.pk-sel span{display:block;font-weight:700;font-size:.78rem;text-transform:uppercase;letter-spacing:.07em;color:var(--secondary);margin-bottom:6px}
.pk-sel select{width:100%;padding:13px 16px;border:1px solid var(--border);border-radius:99px;background:#fff;font:600 .95rem var(--font-body);color:var(--secondary);box-shadow:var(--shadow-md)}
.pk-nav{flex:none;width:48px;height:48px;border-radius:50%;border:1px solid var(--border);background:#fff;color:var(--secondary);font-size:1.6rem;line-height:1;cursor:pointer;box-shadow:var(--shadow-md);transition:var(--transition)}
.pk-nav:hover{background:var(--primary);border-color:var(--primary);color:#fff}
.pick-bar select:focus-visible,.pk-nav:focus-visible{outline:3px solid var(--secondary);outline-offset:2px}
.sd-main{padding-top:50px}
.sd-grid > *{min-width:0}
.vp-custom input{min-width:0}
@media(max-width:992px){.sd-grid,.sd-grid-wide{grid-template-columns:minmax(0,1fr)}}
.sd-banner{padding:44px 0 40px}.sd-banner h1{font-size:2.3rem}

/* Tips card (left column, under the viewer) */
.sh-tips{margin-top:20px;padding:20px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);font-size:inherit;color:inherit}
.sh-tips h4{margin:0 0 14px;font-size:1rem;color:var(--secondary)}
.tip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.tip{display:flex;gap:10px;align-items:flex-start;background:var(--bg-light);border:1px solid var(--border);border-radius:12px;padding:14px}
.tip span{font-size:1.5rem;line-height:1}
.tip p{margin:0;font-size:.82rem;color:var(--text-muted);line-height:1.55}
.tip strong{display:block;color:var(--secondary);font-size:.9rem;margin-bottom:3px}
.sh-info .sd-cta a{flex:1 1 100%;text-align:center}
@media(max-width:600px){.tip-grid{grid-template-columns:1fr}}
.sd-main .vp-wrap:not(.vp-fs){position:relative;top:auto}