/* ============================================================
   DEL Service Bulgaria — тъмен карбон + червено + бяло
   ============================================================ */
:root{
  --bg:#0B0D10;
  --panel:#14171C;
  --panel2:#1B1F26;
  --line:#262B33;
  --red:#E11D2E;
  --red-dark:#A50F1C;
  --white:#F5F6F8;
  --gray:#9AA3AD;
  --radius:12px;
  --font-d:'Oswald',sans-serif;
  --font-b:'Inter',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--white);font-family:var(--font-b);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--white);text-decoration:none;transition:color .2s}
a:hover{color:var(--red)}
h1,h2,h3,h4{font-family:var(--font-d);text-transform:uppercase;letter-spacing:.03em;line-height:1.2}
h1{font-size:clamp(1.7rem,4vw,2.8rem)}
h2{font-size:clamp(1.4rem,3vw,2rem)}
h3{font-size:1.15rem}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
:focus-visible{outline:2px solid var(--red);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---------- topbar ---------- */
.topbar{background:#000;border-bottom:1px solid var(--line);font-size:.82rem;color:var(--gray)}
.topbar-in{display:flex;gap:22px;justify-content:flex-end;padding:6px 20px;flex-wrap:wrap}
.topbar-phone{color:var(--red);font-weight:600}

/* ---------- header ---------- */
.site-header{background:rgba(11,13,16,.97);border-bottom:2px solid var(--red);position:sticky;top:0;z-index:100}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:10px 20px}
.logo-img{height:64px;width:auto}
.main-nav{display:flex;align-items:center;gap:22px;font-family:var(--font-d);text-transform:uppercase;font-size:.92rem;letter-spacing:.05em}
.nav-cta{background:var(--red);padding:9px 18px;border-radius:6px;color:#fff}
.nav-cta:hover{background:var(--red-dark);color:#fff}
.nav-drop{position:relative}
.drop-menu{display:none;position:absolute;top:100%;left:0;background:var(--panel2);border:1px solid var(--line);border-top:2px solid var(--red);min-width:260px;padding:8px 0;border-radius:0 0 8px 8px;box-shadow:0 14px 30px rgba(0,0,0,.5)}
.drop-menu a{display:block;padding:9px 18px;font-size:.85rem}
.drop-menu a:hover{background:rgba(225,29,46,.12)}
.nav-drop:hover .drop-menu,.nav-drop:focus-within .drop-menu{display:block}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;padding:6px}
.nav-toggle span{width:26px;height:3px;background:var(--white);border-radius:2px}
@media(max-width:960px){
  .nav-toggle{display:flex}
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--panel);flex-direction:column;align-items:stretch;gap:0;padding:10px 0;border-bottom:2px solid var(--red);max-height:75vh;overflow:auto}
  body.nav-open .main-nav{display:flex}
  .main-nav>a,.drop-trigger{padding:12px 22px;display:block}
  .drop-menu{display:block;position:static;border:none;box-shadow:none;background:rgba(0,0,0,.25)}
  .nav-cta{margin:10px 22px;text-align:center}
  .logo-img{height:52px}
}

/* ---------- hero + circuit signature ---------- */
.hero{position:relative;padding:70px 0 60px;overflow:hidden;border-bottom:1px solid var(--line);
  background:
    radial-gradient(ellipse 60% 80% at 85% 20%,rgba(225,29,46,.13),transparent 60%),
    var(--bg)}
.hero::before{content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='340' height='340' viewBox='0 0 340 340'%3E%3Cg stroke='%23E11D2E' stroke-opacity='0.10' stroke-width='1.4' fill='none'%3E%3Cpath d='M20 20h90v60h70'/%3E%3Cpath d='M20 120h50v80h120v-40h80'/%3E%3Cpath d='M300 40v90h-60'/%3E%3Cpath d='M40 300v-60h110v40'/%3E%3Cpath d='M320 320h-80v-70'/%3E%3C/g%3E%3Cg fill='%23E11D2E' fill-opacity='0.20'%3E%3Ccircle cx='20' cy='20' r='3.5'/%3E%3Ccircle cx='180' cy='80' r='3.5'/%3E%3Ccircle cx='270' cy='160' r='3.5'/%3E%3Ccircle cx='300' cy='40' r='3.5'/%3E%3Ccircle cx='150' cy='280' r='3.5'/%3E%3Ccircle cx='320' cy='320' r='3.5'/%3E%3C/g%3E%3C/svg%3E")}
.hero-in{position:relative;max-width:760px}
.hero .eyebrow{color:var(--red);font-family:var(--font-d);text-transform:uppercase;letter-spacing:.14em;font-size:.85rem;margin-bottom:12px}
.hero p.lead{color:var(--gray);margin:18px 0 28px;font-size:1.06rem;max-width:640px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-points{display:flex;gap:26px;flex-wrap:wrap;margin-top:34px;color:var(--gray);font-size:.9rem}
.hero-points b{color:var(--white);display:block;font-family:var(--font-d);font-size:1.05rem}

/* ---------- buttons ---------- */
.btn{display:inline-block;font-family:var(--font-d);text-transform:uppercase;letter-spacing:.06em;padding:13px 26px;border-radius:7px;font-size:.95rem;border:2px solid transparent;cursor:pointer;transition:all .2s}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-dark);color:#fff;transform:translateY(-1px)}
.btn-outline{border-color:var(--white);color:var(--white)}
.btn-outline:hover{border-color:var(--red);color:var(--red)}

/* ---------- sections ---------- */
.section{padding:64px 0}
.section-alt{background:var(--panel)}
.section-head{max-width:720px;margin-bottom:38px}
.section-head .eyebrow{color:var(--red);font-family:var(--font-d);text-transform:uppercase;letter-spacing:.14em;font-size:.8rem;margin-bottom:8px}
.section-head p{color:var(--gray);margin-top:10px}

/* ---------- brand / service cards ---------- */
.grid{display:grid;gap:22px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:1024px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}}

.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,border-color .2s}
.card:hover{transform:translateY(-4px);border-color:var(--red)}
.card-band{background:#000;padding:16px 18px;position:relative;border-bottom:2px solid var(--red)}
.card-band::after{content:"";position:absolute;inset:0;opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='90' viewBox='0 0 160 90'%3E%3Cg stroke='%23E11D2E' stroke-opacity='0.28' stroke-width='1.2' fill='none'%3E%3Cpath d='M0 20h40v30h50'/%3E%3Cpath d='M160 70h-50v-40h-30'/%3E%3C/g%3E%3Cg fill='%23E11D2E' fill-opacity='0.45'%3E%3Ccircle cx='90' cy='50' r='2.6'/%3E%3Ccircle cx='80' cy='30' r='2.6'/%3E%3C/g%3E%3C/svg%3E")}
.card-band h3{position:relative;z-index:1;font-size:1.12rem}
.card-band .sub{position:relative;z-index:1;color:var(--red);font-size:.75rem;font-family:var(--font-d);text-transform:uppercase;letter-spacing:.12em}
.card-body{padding:18px;color:var(--gray);font-size:.92rem;flex:1;display:flex;flex-direction:column}
.card-body ul{list-style:none;margin:0 0 14px}
.card-body li{padding:3px 0 3px 20px;position:relative}
.card-body li::before{content:"▸";color:var(--red);position:absolute;left:0}
.card-link{margin-top:auto;color:var(--red);font-family:var(--font-d);text-transform:uppercase;font-size:.85rem;letter-spacing:.08em}
.card-link:hover{color:#fff}

/* ---------- service page content ---------- */
.page-hero{padding:48px 0 36px;border-bottom:1px solid var(--line);
  background:radial-gradient(ellipse 50% 90% at 90% 10%,rgba(225,29,46,.12),transparent 60%),var(--bg)}
.breadcrumbs{font-size:.82rem;color:var(--gray);margin-bottom:14px}
.breadcrumbs a{color:var(--gray)}
.breadcrumbs a:hover{color:var(--red)}
.page-hero p.lead{color:var(--gray);margin-top:14px;max-width:760px;font-size:1.03rem}

.svc-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
@media(max-width:800px){.svc-list{grid-template-columns:1fr}}
.svc{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--red);border-radius:8px;padding:20px 22px}
.svc h3{margin-bottom:8px;font-size:1.05rem}
.svc p{color:var(--gray);font-size:.93rem}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
@media(max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}
.step{background:var(--panel2);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);font-family:var(--font-d);font-size:1.6rem;color:var(--red);display:block;margin-bottom:8px}
.step h3{font-size:1rem;margin-bottom:6px}
.step p{color:var(--gray);font-size:.88rem}

/* ---------- FAQ ---------- */
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:8px;margin-bottom:12px;overflow:hidden}
.faq summary{padding:16px 20px;cursor:pointer;font-family:var(--font-d);text-transform:uppercase;letter-spacing:.04em;font-size:.95rem;list-style:none;position:relative;padding-right:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:20px;top:12px;color:var(--red);font-size:1.4rem}
.faq details[open] summary::after{content:"–"}
.faq .faq-a{padding:0 20px 18px;color:var(--gray);font-size:.94rem}

/* ---------- equipment ---------- */
.equip{display:flex;flex-wrap:wrap;gap:10px}
.equip span{background:var(--panel2);border:1px solid var(--line);border-radius:6px;padding:8px 14px;font-size:.85rem;color:var(--gray)}
.equip span b{color:var(--white)}

/* ---------- CTA strip ---------- */
.cta-strip{background:linear-gradient(100deg,var(--red-dark),var(--red));padding:38px 0}
.cta-strip-in{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-strip h2{font-size:1.4rem}
.cta-strip p{opacity:.9;font-size:.95rem}
.cta-strip .btn-outline{border-color:#fff;color:#fff}
.cta-strip .btn-red{background:#000}
.cta-strip .btn-red:hover{background:#181818}
.cta-strip-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- forms ---------- */
.form-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:30px;max-width:680px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:600px){.form-row{grid-template-columns:1fr}}
label{display:block;font-size:.85rem;color:var(--gray);margin:14px 0 6px;font-family:var(--font-d);text-transform:uppercase;letter-spacing:.06em}
input,select,textarea{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:6px;color:var(--white);padding:12px 14px;font-family:var(--font-b);font-size:.95rem}
input:focus,select:focus,textarea:focus{border-color:var(--red);outline:none}
textarea{min-height:120px;resize:vertical}
.form-note{font-size:.8rem;color:var(--gray);margin-top:12px}
.alert{padding:14px 18px;border-radius:8px;margin-bottom:20px;font-size:.95rem}
.alert-ok{background:rgba(30,150,60,.15);border:1px solid #1E963C;color:#7BE495}
.alert-err{background:rgba(225,29,46,.12);border:1px solid var(--red);color:#FF8A94}

/* ---------- contact / map ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr}}
.map-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;min-height:380px}
.map-wrap iframe{width:100%;height:100%;min-height:380px;border:0;display:block;filter:grayscale(.2) contrast(1.05)}
.contact-info p{margin-bottom:12px;color:var(--gray)}
.contact-info b{color:var(--white)}

/* ---------- footer ---------- */
.site-footer{background:#000;border-top:2px solid var(--red);padding:50px 0 0;font-size:.9rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;padding-bottom:36px}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr}}
.footer-logo{height:70px;width:auto;margin-bottom:14px}
.footer-tag{color:var(--gray);font-size:.86rem}
.site-footer h4{color:var(--red);margin-bottom:14px;font-size:.95rem}
.site-footer p{margin-bottom:8px;color:var(--gray)}
.site-footer a{color:var(--gray)}
.site-footer a:hover{color:var(--red)}
.footer-bottom{border-top:1px solid var(--line);padding:16px 20px;color:#5a626b;font-size:.8rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ---------- admin ---------- */
.admin-body{background:var(--bg);min-height:100vh;padding:40px 0}
.admin-table{width:100%;border-collapse:collapse;font-size:.88rem;background:var(--panel);border-radius:8px;overflow:hidden}
.admin-table th{background:#000;color:var(--red);text-align:left;padding:12px 14px;font-family:var(--font-d);text-transform:uppercase;font-size:.78rem;letter-spacing:.06em}
.admin-table td{padding:12px 14px;border-top:1px solid var(--line);color:var(--gray);vertical-align:top}
.admin-table td b{color:var(--white)}
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:.72rem;font-family:var(--font-d);text-transform:uppercase}
.badge-new{background:var(--red);color:#fff}
.badge-done{background:#1E963C;color:#fff}
.tabs{display:flex;gap:10px;margin:24px 0}
.tabs a{padding:10px 20px;background:var(--panel);border:1px solid var(--line);border-radius:8px;font-family:var(--font-d);text-transform:uppercase;font-size:.85rem}
.tabs a.active{background:var(--red);border-color:var(--red);color:#fff}

/* ---------- gallery ---------- */
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:1024px){.gallery-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:700px){.gallery-grid{grid-template-columns:repeat(2,1fr)}}
.g-item{margin:0;background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden;cursor:pointer;transition:transform .2s,border-color .2s}
.g-item:hover{transform:translateY(-3px);border-color:var(--red)}
.g-item img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}
.g-item figcaption{padding:10px 12px;font-size:.82rem;color:var(--gray)}
.lightbox{display:none;position:fixed;inset:0;background:rgba(0,0,0,.92);z-index:999;align-items:center;justify-content:center;flex-direction:column;padding:30px;cursor:zoom-out}
.lightbox.open{display:flex}
.lightbox img{max-width:95vw;max-height:82vh;border-radius:8px;border:1px solid var(--line)}
.lb-cap{color:var(--gray);margin-top:14px;font-size:.95rem;text-align:center}
.lb-close{position:absolute;top:14px;right:26px;color:#fff;font-size:2.4rem;line-height:1;cursor:pointer}
.g-admin-del{display:block;text-align:center;padding:8px;background:rgba(225,29,46,.15);color:var(--red);font-size:.8rem}