:root{--config-red:#be0000;--config-dark:#171717;--config-muted:#6e6e73;--config-line:#e8e8e8}
.lightning-configurator{background:#f5f5f5;color:var(--config-dark)}
.config-hero{background:#fff;border-bottom:1px solid var(--config-line);overflow:hidden}
.config-hero__inner{min-height:335px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:60px;padding-top:35px;padding-bottom:35px}
.config-eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--config-red);font-size:.78rem;font-weight:900;letter-spacing:.12em;text-transform:uppercase}.config-eyebrow:before{content:"";width:28px;height:3px;background:var(--config-red)}
.config-hero h1{font-size:clamp(2.8rem,5vw,5.3rem);line-height:.96;letter-spacing:-.06em;margin:16px 0 20px;max-width:700px}.config-hero h1 span{color:var(--config-red)}
.config-hero__copy>p{font-size:1.08rem;line-height:1.7;color:var(--config-muted);max-width:570px;margin:0 0 25px}
.config-hero__facts{display:flex;gap:28px;flex-wrap:wrap}.config-hero__facts span{font-size:.82rem;color:var(--config-muted)}.config-hero__facts b{color:var(--config-dark);font-size:1rem;margin-right:4px}
.config-hero__visual{height:265px;border-radius:24px;background:linear-gradient(90deg,rgba(23,23,23,.2),rgba(190,0,0,.25)),url('../img/pozadi_hromo.png') center/cover;position:relative;box-shadow:0 20px 50px rgba(0,0,0,.12)}
.config-hero__visual:before{content:"";position:absolute;inset:12px;border:1px solid rgba(255,255,255,.4);border-radius:17px}.config-hero__visual span{position:absolute;bottom:25px;left:28px;color:#fff;font-weight:800;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase}
.config-workspace{padding:54px 0 100px}.config-card{max-width:1180px;margin:auto;background:#fff;border:1px solid var(--config-line);border-radius:24px;box-shadow:0 18px 55px rgba(0,0,0,.07);display:grid;grid-template-columns:280px 1fr;overflow:hidden;min-height:650px}
.config-sidebar{padding:30px 26px;background:#fafafa;border-right:1px solid var(--config-line);display:flex;flex-direction:column}.config-backlink{font-size:.78rem;font-weight:800;color:var(--config-muted);margin-bottom:35px}.config-backlink:hover{color:var(--config-red)}
.config-progress-label{display:flex;justify-content:space-between;font-size:.75rem;color:var(--config-muted);margin-bottom:9px}.config-progress-label b{color:var(--config-red)}.config-progress{height:5px;border-radius:6px;background:#e3e3e3;overflow:hidden;margin-bottom:30px}.config-progress span{display:block;height:100%;width:25%;background:var(--config-red);transition:width .25s ease}
.config-steps{display:grid;gap:5px}.config-step{display:flex;align-items:center;gap:13px;border:0;background:transparent;text-align:left;padding:12px 10px;border-radius:12px;color:#999;font:inherit;cursor:pointer}.config-step i{width:29px;height:29px;border:1px solid #d8d8d8;border-radius:50%;display:grid;place-items:center;font-style:normal;font-size:.74rem;font-weight:800;flex:0 0 auto}.config-step span{display:grid;gap:3px}.config-step b{font-size:.84rem}.config-step small{font-size:.7rem}.config-step.is-active{background:#fff;color:var(--config-dark);box-shadow:0 5px 18px rgba(0,0,0,.05)}.config-step.is-active i{background:var(--config-red);border-color:var(--config-red);color:#fff}.config-step.is-done i{border-color:var(--config-red);color:transparent;position:relative}.config-step.is-done i:after{content:"✓";color:var(--config-red);position:absolute}
.config-help{margin-top:auto;border-top:1px solid var(--config-line);padding-top:22px;display:flex;gap:11px;color:var(--config-muted)}.config-help>span{width:25px;height:25px;border-radius:50%;background:#eee;display:grid;place-items:center;font-weight:800;flex:0 0 auto}.config-help p{font-size:.7rem;line-height:1.55;margin:0}.config-help b{color:var(--config-dark)}
.config-content{padding:48px 55px 30px;display:flex;flex-direction:column}.config-panel{display:none;animation:panelIn .25s ease}.config-panel.is-active{display:block}@keyframes panelIn{from{opacity:0;transform:translateY(5px)}}
.config-heading span{color:var(--config-red);font-size:.7rem;font-weight:900;letter-spacing:.13em;text-transform:uppercase}.config-heading h2{font-size:clamp(1.75rem,3vw,2.45rem);letter-spacing:-.04em;margin:8px 0}.config-heading p{color:var(--config-muted);margin:0 0 32px;font-size:.93rem}
.choice-group+.choice-group{margin-top:26px}.choice-label{font-size:.74rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;margin-bottom:10px}.choice-grid{display:grid;gap:12px}.choice-grid--two{grid-template-columns:repeat(2,1fr)}.choice-grid--three{grid-template-columns:repeat(3,1fr)}
.choice-card{min-height:92px;border:1px solid var(--config-line);border-radius:14px;background:#fff;padding:17px;display:flex;align-items:center;gap:14px;text-align:left;font:inherit;color:var(--config-dark);cursor:pointer;transition:.18s ease;position:relative}.choice-card:hover{border-color:#d3a5a5;transform:translateY(-1px)}.choice-card.is-selected{border:2px solid var(--config-red);padding:16px;background:#fffafa;box-shadow:0 7px 20px rgba(190,0,0,.07)}
.choice-card>span:nth-of-type(2),.choice-card--compact>span:first-child{display:grid;gap:5px}.choice-card b{font-size:.9rem}.choice-card small{font-size:.72rem;color:var(--config-muted)}.choice-card>i{margin-left:auto;width:20px;height:20px;border-radius:50%;background:#eee;color:transparent;display:grid;place-items:center;font-size:.65rem;font-style:normal}.choice-card.is-selected>i{background:var(--config-red);color:#fff}.choice-icon{width:42px;height:42px;border-radius:10px;background:#f1f1f1;color:var(--config-red);font-size:1.65rem;display:grid!important;place-items:center;flex:0 0 auto}.choice-card.is-selected .choice-icon{background:#f8e7e7}.choice-card--compact{min-height:76px}.choice-grid--roof .choice-card{min-height:165px;justify-content:center;flex-direction:column;text-align:center}.choice-grid--roof .choice-card>i{position:absolute;right:15px;top:15px}.roof-icon{width:80px;height:52px;display:block;position:relative;border-bottom:4px solid #bababa}.roof-icon:before,.roof-icon:after{content:"";position:absolute;bottom:0;width:54px;height:4px;background:#bababa}.roof-icon:before{left:0;transform:rotate(-37deg);transform-origin:left}.roof-icon:after{right:0;transform:rotate(37deg);transform-origin:right}.choice-card.is-selected .roof-icon,.choice-card.is-selected .roof-icon:before,.choice-card.is-selected .roof-icon:after{border-color:var(--config-red);background:var(--config-red)}.roof-icon--hip:before{transform:rotate(-27deg);width:48px}.roof-icon--hip:after{transform:rotate(27deg);width:48px}.extra-card input{position:absolute;opacity:0;pointer-events:none}
.config-actions{border-top:1px solid var(--config-line);padding-top:24px;margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:18px}.config-actions>span{font-size:.68rem;color:#aaa}.back-button,.next-button,.submit-button{border:0;font:inherit;font-weight:800;cursor:pointer}.back-button{background:transparent;color:var(--config-muted);padding:13px}.next-button,.submit-button{background:var(--config-red);color:#fff;padding:15px 23px;border-radius:9px;box-shadow:0 9px 20px rgba(190,0,0,.18)}.next-button b,.submit-button span{margin-left:15px}.back-button[hidden]{visibility:hidden}.next-button:hover,.submit-button:hover{background:#980000}
.estimate-box{background:var(--config-red);color:#fff;border-radius:16px;padding:23px 27px;display:grid;gap:6px;margin-bottom:27px}.estimate-box small{opacity:.78;font-size:.68rem;text-transform:uppercase;letter-spacing:.08em}.estimate-box strong{font-size:clamp(1.75rem,4vw,2.7rem);letter-spacing:-.04em}.estimate-box span{font-size:.72rem;opacity:.78}
.result-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:35px}.result-layout h3,.contact-box h3{font-size:.95rem;margin:0 0 14px}.result-summary{display:grid;gap:0;border-top:1px solid var(--config-line)}.result-summary div{font-size:.77rem;padding:10px 0;border-bottom:1px solid var(--config-line);display:flex;justify-content:space-between;gap:15px;color:var(--config-muted)}.result-summary strong{color:var(--config-dark)}.text-button{border:0;background:transparent;color:var(--config-red);font:inherit;font-weight:800;font-size:.73rem;padding:14px 0;cursor:pointer}.contact-box{background:#f7f7f7;border-radius:15px;padding:22px}.contact-box>p{font-size:.73rem;color:var(--config-muted);margin:-6px 0 15px;line-height:1.5}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.field-card{display:grid;gap:6px}.field-card--wide{grid-column:1/-1}.field-card>span{font-size:.67rem;font-weight:800}.field-card input{width:100%;border:1px solid #ddd;border-radius:8px;background:#fff;padding:12px;font:inherit;font-size:.78rem;outline:none}.field-card input:focus{border-color:var(--config-red);box-shadow:0 0 0 3px rgba(190,0,0,.08)}.field-card>small{display:none;color:var(--config-red);font-size:.62rem}.field-card.is-invalid>small{display:block}.field-card.is-invalid input{border-color:var(--config-red)}.contact-box .submit-button{width:100%;margin-top:12px}.privacy-note{display:block;text-align:center;color:#999;font-size:.58rem;margin-top:9px}.success-state{display:none;text-align:center;padding:80px 20px}.success-state.is-visible{display:block}.success-state>span{display:grid;place-items:center;width:62px;height:62px;margin:0 auto 20px;background:var(--config-red);color:#fff;border-radius:50%;font-size:1.6rem}.success-state h2{font-size:2rem;margin:0 0 10px}.success-state p{color:var(--config-muted);margin:0 auto 28px;max-width:460px}.success-state .submit-button{display:inline-block}
@media(max-width:900px){.config-hero__inner{grid-template-columns:1fr}.config-hero__visual{display:none}.config-card{grid-template-columns:1fr}.config-sidebar{padding:20px;border-right:0;border-bottom:1px solid var(--config-line)}.config-backlink,.config-help{display:none}.config-steps{display:flex;justify-content:space-between}.config-step{padding:6px;background:transparent!important;box-shadow:none!important}.config-step span{display:none}.config-content{padding:35px}.result-layout{grid-template-columns:1fr}}
@media(max-width:620px){.config-hero__inner{min-height:280px;padding-top:30px;padding-bottom:30px}.config-hero h1{font-size:2.8rem}.config-hero__facts{gap:15px}.config-workspace{padding:20px 0 70px}.config-workspace>.container{width:min(100% - 20px,1320px)}.config-card{border-radius:16px}.config-content{padding:27px 19px 22px}.choice-grid--two,.choice-grid--three{grid-template-columns:1fr}.choice-card{min-height:76px}.choice-grid--roof{grid-template-columns:repeat(2,1fr)}.choice-grid--roof .choice-card{min-height:145px}.config-actions>span{display:none}.config-actions{position:sticky;bottom:0;background:#fff;padding-bottom:4px}.next-button{margin-left:auto}.form-grid{grid-template-columns:1fr}.field-card--wide{grid-column:auto}.result-layout{gap:22px}}