/* EROLTECH V13 additions — V12 remains the visual foundation */
#kalite-kontrol,#hizli-teklif{scroll-margin-top:85px}
.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}
/* 3D device service selectors */
.device-art-3d{isolation:isolate}
.device-selector{position:absolute;z-index:7;bottom:-32px;left:50%;transform:translateX(-50%);width:min(440px,95%);display:grid;gap:8px;pointer-events:auto}
.device-selector-buttons{display:flex;justify-content:center;gap:6px;padding:6px;border-radius:16px;background:#0a1419e8;border:1px solid #38665f80;box-shadow:0 18px 48px #000b;backdrop-filter:blur(18px)}
.device-pick{flex:1;display:flex;justify-content:center;align-items:center;gap:8px;border:1px solid transparent;background:transparent;color:#a9c1c0;border-radius:11px;padding:11px 9px;font-weight:800;font-size:12px;transition:background .25s,border-color .25s,color .25s}
.device-pick:hover,.device-pick:focus-visible{color:#fff;background:#16312e}
.device-pick.active{color:#eafff8;background:linear-gradient(130deg,#143c35,#11272a);border-color:#21d5a56e;box-shadow:inset 0 0 18px #15cc9a13}
.device-selector-detail{min-height:42px;display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;font-size:10px;color:#a4b9b6;text-align:center;text-shadow:0 2px 10px #000}
.device-selector-detail strong{color:#effbf7;font-size:11px}.device-selector-detail a{color:#2ae8b6;font-weight:850;white-space:nowrap}
.device-art-3d[data-device="battery"] .stage-aura.aura-green{background:#11df9a4b}.device-art-3d[data-device="charge"] .stage-aura.aura-red{background:#f3264b4b}
/* QA showcase */
.quality-section{padding:105px 0 115px;background:radial-gradient(ellipse at 77% 42%,#083e3628,transparent 52%),linear-gradient(125deg,#080e11,#0d1719);border-block:1px solid #203039;overflow:hidden}
.quality-layout{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(40px,6vw,110px);align-items:center}
.quality-intro h2,.quick-copy h2{font-size:clamp(37px,4.3vw,65px);letter-spacing:-.055em;line-height:1.13;margin:22px 0}
.quality-accent{color:#23dfaf}
.quality-intro .section-intro{font-size:16px;line-height:1.85}
.quality-stat{display:flex;align-items:center;gap:24px;margin:35px 0;padding:24px;border:1px solid #245d50;border-radius:17px;background:linear-gradient(110deg,#10302c,#111c20);max-width:480px;box-shadow:0 15px 50px #0005}
.quality-stat-number{font-size:clamp(48px,5vw,72px);font-weight:1000;letter-spacing:-.09em;color:#eafff9;line-height:1}
.quality-stat-number span{font-size:11px;letter-spacing:.06em;color:#20ddb0}
.quality-stat strong,.quality-stat small{display:block}.quality-stat small{color:#8ea7a3;margin-top:7px}
.quality-disclaimer{font-size:12px;line-height:1.75;color:#8ea7a3;max-width:510px;margin-bottom:28px}
.quality-glass{position:relative;overflow:hidden;border:1px solid #316259;border-radius:25px;background:linear-gradient(155deg,#16292a,#0b1519 56%,#122224);box-shadow:0 35px 100px #000a,0 0 70px #13e1a412;padding:22px;transform-style:preserve-3d}
.quality-glass:before{content:'';position:absolute;top:-110px;right:-80px;width:300px;height:300px;background:#17c69a22;border-radius:50%;filter:blur(60px);pointer-events:none}
.quality-glass-top,.quality-glass-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px;color:#b5d1ca;font-size:10px;letter-spacing:.11em;font-weight:850}
.quality-glass-top{border-bottom:1px solid #29443f;padding:3px 2px 19px}.quality-glass-bottom{padding:19px 2px 0;border-top:1px solid #29443f;color:#78a49a}
.quality-pulse{height:8px;width:8px;background:#26e4b5;border-radius:50%;box-shadow:0 0 0 5px #26e4b515,0 0 18px #26e4b5}
.quality-small-mark{font-size:18px;color:#f12b49;letter-spacing:-.1em}
.quality-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;padding:19px 0}
.quality-list>div{min-height:82px;display:flex;flex-direction:column;justify-content:space-between;gap:5px;background:#102023;border:1px solid #26413f;border-radius:10px;padding:12px;transition:transform .28s,border-color .28s,background .28s;position:relative}
.quality-list>div:hover{transform:translateY(-3px);border-color:#1bd4a7;background:#15332e}
.quality-list b{font-size:11px;color:#22e2b1;letter-spacing:.08em}.quality-list span{font-size:12px;font-weight:750;color:#e4f0ed;line-height:1.25}.quality-list i{position:absolute;right:10px;top:10px;color:#638a81;font-size:12px;font-style:normal}
/* 3-step quote wizard */
.quick-section{background:radial-gradient(ellipse at 17% 38%,#4d12231b,transparent 55%),#0a0f13;border-block:1px solid #263438;padding:105px 0}
.quick-layout{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);align-items:center;gap:clamp(32px,6vw,105px)}
.quick-copy .section-intro{font-size:16px;line-height:1.8}.quick-benefits{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0}.quick-benefits span{font-size:11px;color:#e5f6f2;border:1px solid #31554e;border-radius:50px;background:#11231f;padding:9px 12px;font-weight:800}
.quick-alt{display:inline-block;margin-top:16px;font-size:13px;color:#26e2b0;font-weight:800;text-decoration:underline;text-underline-offset:4px}
.quick-card{background:linear-gradient(150deg,#142125,#0c1317);border:1px solid #31554f;border-radius:25px;padding:clamp(20px,3vw,38px);box-shadow:0 30px 100px #000a,0 0 55px #17d7a60c;min-height:500px}
.quick-card-header{display:flex;justify-content:space-between;align-items:flex-start;gap:14px}.quick-card-kicker{font-size:10px;letter-spacing:.16em;color:#25dcae;font-weight:900}.quick-card h3{font-size:clamp(24px,2.6vw,34px);margin:12px 0 0;letter-spacing:-.04em}.quick-count{font-size:13px;color:#7db3a5;font-weight:900;white-space:nowrap}
.quick-track{height:4px;background:#263d3c;border-radius:10px;margin:24px 0 30px;overflow:hidden}.quick-track span{display:block;height:100%;width:33.333%;background:linear-gradient(90deg,#f32a49,#23e1b1);border-radius:10px;transition:width .35s}
.quick-step{border:0;padding:0;margin:0;min-width:0}.quick-step[hidden]{display:none}
.quick-step>label,.quick-label{display:block;font-size:13px;font-weight:750;color:#d8e9e5;margin:0 0 10px}
.quick-step>input,.quick-step>select,.quick-step>textarea{width:100%;background:#0b1519;border:1px solid #36534e;color:#effcf8;border-radius:12px;padding:15px 14px;margin:0 0 20px;outline:none}
.quick-step>input:focus,.quick-step>select:focus,.quick-step>textarea:focus{border-color:#25dfae;box-shadow:0 0 0 3px #25dfae1b}
.quick-step-help{font-size:12px;color:#8da8a2;line-height:1.6;margin:0 0 16px}.quick-error{color:#ff7e8d;font-size:12px}
.fault-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:22px}
.fault-options label{position:relative;cursor:pointer;min-width:0}.fault-options input{position:absolute;opacity:0;width:1px;height:1px}
.fault-options span{display:flex;align-items:center;min-height:61px;padding:12px;border:1px solid #35514d;border-radius:12px;background:#101c20;font-size:12px;font-weight:800;color:#b8cfc9;transition:.2s}
.fault-options input:checked+span{background:#123b32;border-color:#20e0ae;color:#eafff7;box-shadow:inset 0 0 0 1px #20e0ae50}.fault-options input:focus-visible+span{outline:3px solid #26d7ab;outline-offset:2px}
.quick-controls{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:22px}.quick-back,.quick-edit{border:0;background:none;color:#b4cac3;padding:13px 7px;font-size:13px;font-weight:800}.quick-back:hover,.quick-edit:hover{color:white}.quick-next,.quick-send{margin-left:auto}
.quick-result{margin-top:18px;border:1px solid #276956;border-radius:13px;background:#0d2520;padding:18px}.quick-result[hidden]{display:none}.quick-result>strong{color:#29e9b5}.quick-result p{color:#b3c9c3;font-size:12px;line-height:1.65}.quick-result pre{font-family:inherit;white-space:pre-wrap;overflow-wrap:anywhere;color:#e7f4f0;background:#081411;padding:12px;border-radius:8px;font-size:12px;line-height:1.55;max-height:175px;overflow:auto}.quick-result-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:15px}.quick-result-actions .btn{padding:11px 13px;font-size:12px}
/* Smart contact menu */
.smart-contact{position:fixed;right:22px;bottom:22px;z-index:70;display:flex;flex-direction:column;align-items:flex-end;gap:12px}.smart-contact .wa-float{position:relative;right:auto;bottom:auto;display:flex;gap:11px}.smart-toggle-symbol{color:#2be6b3;font-size:17px}.smart-toggle-chevron{color:#72ad9d;font-size:19px;transition:transform .25s}.smart-toggle[aria-expanded="true"] .smart-toggle-chevron{transform:rotate(180deg)}
.smart-menu{width:min(335px,calc(100vw - 28px));background:#101b20;border:1px solid #35665a;border-radius:19px;box-shadow:0 28px 85px #000d,0 0 42px #13d7a317;overflow:hidden;transform-origin:bottom right;animation:smart-pop .22s ease-out}
.smart-menu[hidden]{display:none}.smart-menu-head{padding:20px 20px 16px;background:linear-gradient(110deg,#153b31,#152126);border-bottom:1px solid #31584e}.smart-menu-head strong{display:block;font-size:15px;color:#f5fffb}.smart-menu-head small{display:block;color:#2ce7b6;font-size:10px;letter-spacing:.13em;margin-top:7px;font-weight:800}
.smart-menu>a{display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid #253b3b;transition:background .2s}.smart-menu>a:hover,.smart-menu>a:focus-visible{background:#17332e}.smart-menu>a:last-child{border:0}.smart-menu>a>span:nth-child(2){flex:1}.smart-menu b,.smart-menu small{display:block}.smart-menu b{font-size:13px}.smart-menu small{font-size:11px;color:#92aaa4;margin-top:5px}.smart-icon{display:grid;place-items:center;width:39px;height:39px;border-radius:10px;font-size:20px;font-weight:800}.red-icon{color:#ff4b68;background:#441d2b}.green-icon{color:#25e4b2;background:#133b31}.smart-arrow{color:#23e0b0}
@keyframes smart-pop{from{opacity:0;transform:translateY(10px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}
/* Keep original V12 nav compact when new link added */
@media(min-width:901px){.links{gap:clamp(9px,1.15vw,22px);font-size:12px}.brand{min-width:0}.nav{gap:18px}}
@media(max-width:1100px){.quality-layout,.quick-layout{gap:30px}.quality-list>div{padding:10px}.quality-list span{font-size:11px}}
@media(max-width:900px){.quality-layout,.quick-layout{grid-template-columns:1fr}.quality-intro,.quick-copy{max-width:680px}.quality-glass{max-width:750px;width:100%;margin:auto}.device-selector{bottom:-34px}.hero-inner{padding-bottom:82px}}
@media(max-width:600px){.quality-section,.quick-section{padding:65px 0}.quality-list{grid-template-columns:repeat(2,minmax(0,1fr))}.quality-list>div{min-height:70px}.quality-glass{padding:15px}.quality-glass-top{font-size:8px}.quick-card{padding:20px;min-height:450px}.device-selector{bottom:-30px;width:100%}.device-pick{font-size:10px;padding:9px 4px;gap:4px}.device-selector-detail{font-size:9px;gap:6px}.device-selector-detail strong{font-size:10px}.hero-inner{padding-bottom:100px}.smart-contact{right:13px;bottom:14px}.smart-menu{width:min(315px,calc(100vw - 26px))}.fault-options{gap:7px}.fault-options span{font-size:11px;padding:10px;min-height:57px}.quick-result-actions .btn{flex:1}.quality-stat{padding:17px}}
@media(prefers-reduced-motion:reduce){.smart-menu{animation:none}.device-pick,.quality-list>div,.quick-track span{transition:none}}
.quick-back[hidden],.quick-next[hidden],.quick-send[hidden]{display:none!important}
/* Collapse the longer navigation before it can crowd the ErolTech logo. */
@media (min-width:901px) and (max-width:1160px){
  .nav .links{display:none;position:absolute;top:78px;left:0;right:0;background:#0c1215;padding:22px 5%;flex-direction:column;align-items:flex-start;border-bottom:1px solid var(--line);gap:19px}
  .nav .links.open{display:flex}
  .nav .mobile-toggle{display:block}
  .nav>a.btn.outline{display:none}
}