/*
 * Общият вид на прерисуваните страници (v4), изваден от template-3d-design-v4.php (EDi, 08.10.2026), за да е
 * един и същ на всяка линия: тъмна основа, голяма замъглена снимка горе, действието в първия екран, лента с
 * доверие, после различни секции. Всяка страница добавя своите части отделно. /3d-proektirane/?ef_v4=1 още носи
 * същите правила вътре в шаблона си.
 */
.efv4{--bg:#060810;--s1:#0d1115;--gl:rgba(150,167,180,.06);--ln:rgba(155,171,181,.14);--ln2:rgba(155,171,181,.26);--tx:#e8eef2;--mu:#9aa7b1;--or:#f89048;--te:#0090b0;--te2:#3fb6cf;
  position:relative;isolation:isolate;background:var(--bg);color:var(--tx);font:400 17px/1.6 Nunito,system-ui,sans-serif;overflow-x:hidden}
.efv4::before{content:"";position:absolute;inset:0;z-index:-1;background:url('/wp-content/uploads/ef-pattern-9.webp') repeat;background-size:1400px;opacity:.04;pointer-events:none}
.efv4 :where(h1,h2,h3,p,ul,ol,figure,blockquote,fieldset,table){margin:0}
.efv4 :where(ul,ol){padding:0;list-style:none}
.efv4 fieldset{border:0;padding:0;min-width:0}
.efv4 a{color:inherit}
.efv4 svg{width:1em;height:1em;flex:none}
.efv4 .w{max-width:1720px;margin:0 auto;padding:0 clamp(16px,2.5vw,38px)}
.efv4 h1,.efv4 h2,.efv4 h3{font-family:Rubik,system-ui,sans-serif;font-weight:600;color:#fff;letter-spacing:0}
.efv4 h1{font-size:clamp(34px,4vw,58px);line-height:1.1}
.efv4 h2{font-size:clamp(26px,2.4vw,36px);line-height:1.2}
.efv4 h3{font-size:19px;line-height:1.3}
.efv4 section{padding:clamp(56px,6vw,88px) 0 0}
.efv4 .sec-head{max-width:48em;margin-bottom:28px}
.efv4 .sec-head p{color:var(--mu);margin-top:10px}
.efv4 .gl{background:var(--gl);-webkit-backdrop-filter:blur(18px) saturate(160%);backdrop-filter:blur(18px) saturate(160%);border:1px solid var(--ln);border-radius:18px}
.efv4 .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:54px;padding:0 24px;border-radius:10px;font:700 16px/1.2 Nunito,system-ui,sans-serif;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background .15s,border-color .15s,transform .15s}
.efv4 .btn svg{font-size:20px}
.efv4 .btn-p{background:var(--or);color:#1a0f05}
.efv4 .btn-p:hover{background:#ffa463}
.efv4 .btn-s{border-color:var(--ln2);color:var(--tx);background:rgba(150,167,180,.06)}
.efv4 .btn-s:hover{border-color:var(--te2);color:#fff}
.efv4 .btn:active{transform:translateY(1px)}
.efv4 :is(a,button,input,select,textarea):focus-visible{outline:2px solid var(--te2);outline-offset:3px}

/* първи екран: голяма снимка, леко замъглена, под тъмен преход; навигацията на темата е фиксирана (74 px) */
.efv4 .hero{position:relative;isolation:isolate;min-height:min(92vh,980px);display:flex;align-items:center;padding:calc(76px + clamp(28px,4vw,64px)) 0 clamp(40px,5vw,72px);overflow:hidden}
.efv4 .hero .bg{position:absolute;inset:-24px;z-index:-2;width:calc(100% + 48px);height:calc(100% + 48px);object-fit:cover;object-position:60% 50%;filter:blur(3px) saturate(115%);transform:scale(1.03)}
.efv4 .hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(6,8,16,.9) 0%,rgba(6,8,16,.7) 38%,rgba(6,8,16,.28) 70%,rgba(6,8,16,.18) 100%),linear-gradient(0deg,var(--bg) 0%,rgba(6,8,16,0) 22%)}
.efv4 .hero .w{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,520px);gap:clamp(28px,4vw,72px);align-items:center;width:100%}
.efv4 .lead{color:#d2dbe1;font-size:19px;margin-top:20px;max-width:34em}
.efv4 .free{display:flex;gap:12px;align-items:flex-start;margin-top:26px;max-width:34em;padding:14px 16px;border-left:3px solid var(--or);background:rgba(248,144,72,.08);border-radius:0 10px 10px 0}
.efv4 .free svg{font-size:22px;color:var(--or);margin-top:2px}
.efv4 .free strong{color:#fff}
.efv4 .free a{color:#fff;font-weight:700}
.efv4 .hero .tel{display:inline-flex;align-items:center;gap:8px;margin-top:22px;color:#d2dbe1;text-decoration:none;font-weight:600}
.efv4 .hero .tel:hover{color:#fff}

/* картата с първата стъпка */
.efv4 .start{padding:26px;background:rgba(10,13,22,.55)}
.efv4 .start h2{font-size:22px}
.efv4 .start .sub{color:var(--mu);font-size:15px;margin-top:6px}
.efv4 .start .btn{width:100%;margin-top:18px}
.efv4 .start .after{color:var(--mu);font-size:14px;margin-top:12px}
/* пътища: редове-връзки с обяснение, когато изборът води на различни места */
.efv4 .routes{margin-top:18px;border-top:1px solid var(--ln)}
.efv4 .routes > p{color:#fff;font-weight:700;font-size:16px;margin:16px 0 8px}
.efv4 .routes a{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:4px 12px;align-items:center;padding:12px 4px;border-bottom:1px solid var(--ln);text-decoration:none}
.efv4 .routes a > svg:first-child{font-size:22px;color:var(--te2)}
.efv4 .routes a > svg:last-child{font-size:18px;color:var(--mu);transition:transform .15s,color .15s}
.efv4 .routes b{display:block;color:#fff;font-weight:700;line-height:1.3}
.efv4 .routes small{display:block;color:var(--mu);font-size:14px;line-height:1.35}
.efv4 .routes a:hover > svg:last-child{transform:translateX(3px);color:var(--or)}
.efv4 .routes a:hover b{text-decoration:underline}

/* лента с доверие */
.efv4 .trust{border-top:1px solid var(--ln);border-bottom:1px solid var(--ln);background:var(--s1)}
.efv4 .trust ul{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.efv4 .trust li{display:flex;gap:12px;align-items:center;padding:18px 20px;border-right:1px solid var(--ln)}
.efv4 .trust li:last-child{border-right:0}
.efv4 .trust svg{font-size:22px;color:var(--te2)}
.efv4 .trust b{display:block;color:#fff;font-weight:700}
.efv4 .trust small{display:block;color:var(--mu);font-size:14px}
.efv4 .trust a{text-decoration:none}
.efv4 .trust a:hover b{text-decoration:underline}

/* текст и линии, без кутии */
.efv4 .two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:clamp(28px,5vw,80px)}
.efv4 .list li{padding:16px 0;border-top:1px solid var(--ln)}
.efv4 .list li:last-child{border-bottom:1px solid var(--ln)}
.efv4 .list p{color:var(--mu);font-size:16px;margin-top:4px}
.efv4 .spec li{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 20px;padding:16px 0;border-top:1px solid var(--ln)}
.efv4 .spec li:last-child{border-bottom:1px solid var(--ln)}
.efv4 .spec p{grid-column:1;color:var(--mu);font-size:16px}
.efv4 .spec .tag{grid-column:2;grid-row:1;align-self:start;font-size:13px;font-weight:700;color:var(--or);white-space:nowrap}
.efv4 .note{padding:20px 24px;border-left:3px solid var(--te2);background:rgba(63,182,207,.06);border-radius:0 12px 12px 0;color:#d2dbe1}
.efv4 .note strong{color:#fff}

/* таблица с числа: подравнени вдясно, табличните цифри */
.efv4 .tbl{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}
.efv4 .tbl th,.efv4 .tbl td{padding:12px 10px;border-bottom:1px solid var(--ln);text-align:left;vertical-align:top}
.efv4 .tbl th{color:var(--mu);font-weight:700;font-size:14px}
.efv4 .tbl td{color:#e8eef2}
.efv4 .tbl .n{text-align:right;white-space:nowrap}
.efv4 .tbl td:first-child{white-space:nowrap}
.efv4 .tbl small{color:var(--mu)}

/* отзиви */
.efv4 .rev{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.efv4 .rev blockquote{padding:26px;display:flex;flex-direction:column;gap:14px}
.efv4 .rev .st{color:var(--or);letter-spacing:3px;font-size:18px}
.efv4 .rev .q{color:#e8eef2;font-size:17px}
.efv4 .rev .tr{color:var(--mu);font-size:15px}
.efv4 .rev footer{margin-top:auto;padding-top:12px;border-top:1px solid var(--ln);color:#c9d3da;font-weight:700}
.efv4 .rev-all{display:inline-flex;align-items:center;gap:8px;margin-top:18px;color:var(--te2);font-weight:700;text-decoration:none}
.efv4 .rev-all:hover{text-decoration:underline}

/* ход: линия с черти; броят колони идва от --n */
.efv4 .flow{--n:4;position:relative;display:grid;grid-template-columns:repeat(var(--n),minmax(0,1fr));gap:28px;padding-top:30px}
.efv4 .flow::before{content:"";position:absolute;top:8px;left:0;right:0;border-top:2px solid var(--ln2)}
.efv4 .flow li{position:relative}
.efv4 .flow li::before{content:"";position:absolute;top:-29px;left:0;width:14px;height:14px;border-radius:3px;background:var(--bg);border:2px solid var(--or)}
.efv4 .flow h3{margin-bottom:6px}
.efv4 .flow p{color:var(--mu);font-size:16px}

/* кой стои зад работата */
.efv4 .who .w{display:grid;grid-template-columns:minmax(220px,380px) minmax(0,1fr);gap:clamp(28px,4vw,64px);align-items:center}
.efv4 .who figure{padding:10px}
.efv4 .who img{display:block;width:100%;height:auto;border-radius:12px}
.efv4 .who p{color:#c9d3da;margin-top:16px;max-width:40em}
.efv4 .who .more{display:inline-flex;align-items:center;gap:8px;margin-top:20px;color:var(--te2);font-weight:700;text-decoration:none}

/* свързани и край */
.efv4 .rel{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.efv4 .rel a{display:block;text-decoration:none;padding:22px 24px;transition:border-color .15s}
.efv4 .rel a:hover{border-color:var(--te2)}
.efv4 .rel h3{display:flex;align-items:center;justify-content:space-between;gap:12px}
.efv4 .rel h3 svg{font-size:20px;color:var(--te2)}
.efv4 .rel p{color:var(--mu);margin-top:6px;font-size:16px}
.efv4 .cta{padding:clamp(56px,6vw,88px) 0 clamp(64px,7vw,96px)}
.efv4 .cta .box{padding:clamp(24px,3vw,40px);border-left:3px solid var(--or);display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:center}
.efv4 .cta p{color:var(--mu);margin-top:10px;max-width:44em}
.efv4 .cta .btns{display:flex;flex-wrap:wrap;gap:12px}

@media (max-width:1100px){
  .efv4 .hero .w{grid-template-columns:minmax(0,1fr)}
  .efv4 .hero{min-height:0}
  .efv4 .trust ul{grid-template-columns:repeat(2,minmax(0,1fr))}
  .efv4 .trust li:nth-child(2){border-right:0}
  .efv4 .trust li:nth-child(-n+2){border-bottom:1px solid var(--ln)}
  .efv4 .rev,.efv4 .rel{grid-template-columns:repeat(2,minmax(0,1fr))}
  .efv4 .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .efv4 .two,.efv4 .who .w{grid-template-columns:minmax(0,1fr)}
  .efv4 .cta .box{grid-template-columns:minmax(0,1fr)}
  .efv4 .who figure{max-width:380px}
}
@media (max-width:640px){
  .efv4 .hero{padding-top:calc(84px + 16px)}
  /* на телефона текстът е върху цялата ширина на снимката: преходът е отгоре надолу, иначе светлите места я изяждат */
  .efv4 .hero::after{background:linear-gradient(180deg,rgba(6,8,16,.86) 0%,rgba(6,8,16,.8) 45%,rgba(6,8,16,.92) 100%)}
  /* на телефона първата стъпка идва веднага след заглавието */
  .efv4 .hero .w{display:flex;flex-direction:column;gap:0}
  .efv4 .hero .intro{display:contents}
  .efv4 .hero h1{order:1}
  .efv4 .hero .lead{order:2;font-size:17px;margin-top:14px}
  .efv4 .hero .start{order:3;margin-top:22px}
  .efv4 .hero .free{order:4}
  .efv4 .hero .tel{order:5;align-self:flex-start}
  .efv4 .start{padding:18px}
  .efv4 .trust ul,.efv4 .rev,.efv4 .rel{grid-template-columns:minmax(0,1fr)}
  .efv4 .trust li{border-right:0;border-bottom:1px solid var(--ln)}
  .efv4 .flow{grid-template-columns:minmax(0,1fr);gap:22px;padding-top:0;padding-left:28px}
  .efv4 .flow::before{top:0;bottom:0;left:6px;right:auto;border-top:0;border-left:2px solid var(--ln2)}
  .efv4 .flow li::before{top:6px;left:-29px}
  .efv4 .cta .btns .btn{width:100%}
  .efv4 .tbl th,.efv4 .tbl td{padding:10px 6px}
}