/* ═══════════════════════════════════════════
   PROM3D — Спільні стилі
   ═══════════════════════════════════════════ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --g:#1a6358;--g2:#13504a;--gl:#eaf4f2;--gl2:#d0ebe6;
  --teal:#0d9488;--ink:#0f1f1c;--mid:#3d5550;--soft:#6b8c87;
  --bg:#f7faf9;--line:#e2edeb;--white:#fff;
  --r:14px;--r2:24px;
  --sh:0 2px 20px rgba(15,50,45,.09);
  --sh2:0 10px 50px rgba(15,50,45,.14);
}
html{scroll-behavior:smooth}
body{font-family:'Manrope',sans-serif;font-size:15px;color:var(--ink);background:var(--white);overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}

.w{max-width:1180px;margin:0 auto;padding:0 24px}

/* Header */
header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .2s}
header.scrolled{box-shadow:var(--sh)}
.hdr{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-family:'Geologica',sans-serif;font-size:20px;font-weight:900;color:var(--g);letter-spacing:-.5px}
.logo img{height:40px;width:auto;object-fit:contain}
.logo-text{font-family:'Geologica',sans-serif;font-size:20px;font-weight:900;color:var(--g);letter-spacing:-.5px}
nav{display:flex;gap:2px;margin-left:auto}
nav a{padding:7px 13px;border-radius:8px;font-size:14px;font-weight:600;color:var(--mid);transition:background .15s,color .15s}
nav a:hover,nav a.active{background:var(--gl);color:var(--g)}
.hdr-actions{display:flex;align-items:center;gap:8px}
.tel-link{display:flex;align-items:center;gap:7px;padding:8px 13px;border-radius:10px;background:var(--gl);color:var(--g);font-size:14px;font-weight:700;transition:background .15s}
.tel-link:hover{background:var(--gl2)}
.hdr-cta{padding:10px 18px;border-radius:10px;background:var(--g);color:#fff;font-size:14px;font-weight:700;transition:background .15s,transform .12s}
.hdr-cta:hover{background:var(--g2);transform:translateY(-1px)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.burger span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--r);font-size:15px;font-weight:700;transition:all .18s;cursor:pointer;border:none;text-decoration:none!important;white-space:nowrap;font-family:inherit}
.btn-primary{background:var(--g);color:#fff}
.btn-primary:hover{background:var(--g2);transform:translateY(-1px);box-shadow:0 6px 24px rgba(26,99,88,.28);color:#fff}
.btn-outline{background:transparent;color:var(--g);border:2px solid var(--g)}
.btn-outline:hover{background:var(--gl)}
.btn-sm{padding:10px 18px;font-size:14px}

/* Sections */
.section{padding:88px 0;background:var(--white)}
.section-alt{background:var(--bg)}
.section-dark{background:linear-gradient(135deg,var(--g) 0%,#0d4a42 100%)}
.sec-head{text-align:center;margin-bottom:56px}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px;text-align:left}
.overline{display:block;font-size:11px;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:var(--teal);margin-bottom:12px}
h1{font-family:'Geologica',sans-serif;font-size:clamp(36px,4.5vw,58px);font-weight:900;line-height:1.08;color:var(--ink);letter-spacing:-1.5px;margin-bottom:20px}
h1 em{font-style:normal;color:var(--g)}
h2{font-family:'Geologica',sans-serif;font-size:clamp(26px,3vw,40px);font-weight:900;color:var(--ink);letter-spacing:-.8px;line-height:1.15;margin-bottom:14px}
h3{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:8px}
.sec-sub{font-size:16px;color:var(--soft);line-height:1.65;max-width:520px;margin:0}
.sec-head .sec-sub{margin:0 auto}

/* Tags */
.tags{display:flex;gap:6px;flex-wrap:wrap}
.tag{padding:3px 10px;border-radius:20px;background:var(--gl);color:var(--g);font-size:11px;font-weight:700}

/* Cards */
.card{padding:32px 28px;border-radius:var(--r2);border:1.5px solid var(--line);background:var(--white);transition:border-color .2s,box-shadow .2s,transform .2s}
.card:hover{border-color:var(--gl2);box-shadow:var(--sh2);transform:translateY(-3px)}
.card-ic{width:52px;height:52px;border-radius:14px;background:var(--gl);color:var(--g);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.card-ic svg{width:26px;height:26px}

/* Form */
.form-card{background:var(--white);border-radius:var(--r2);padding:36px 32px;box-shadow:0 40px 100px rgba(0,0,0,.22)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:700;color:var(--mid)}
.field input,.field select,.field textarea{padding:12px 14px;border-radius:10px;border:1.5px solid var(--line);font-size:14px;font-family:inherit;color:var(--ink);background:var(--white);outline:none;width:100%;box-sizing:border-box;transition:border-color .18s,box-shadow .18s;-webkit-appearance:none}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--g);box-shadow:0 0 0 3px rgba(26,99,88,.1)}
.field textarea{resize:vertical;min-height:90px}
.upload-wrap input[type=file]{display:none}
.upload-label{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:10px;border:1.5px dashed var(--line);background:var(--bg);cursor:pointer;font-size:14px;color:var(--soft);transition:border-color .18s,background .18s}
.upload-label:hover{border-color:var(--g);background:var(--gl)}
.form-submit{width:100%;padding:15px;background:var(--g);color:#fff;border:none;border-radius:var(--r);font-size:16px;font-weight:800;font-family:inherit;cursor:pointer;transition:background .18s,transform .12s;letter-spacing:.2px}
.form-submit:hover{background:var(--g2);transform:translateY(-1px)}
.form-note{font-size:12px;color:var(--soft);text-align:center;margin-top:10px;line-height:1.5}
.form-status{font-size:13px;color:var(--soft);text-align:center;margin-top:8px;line-height:1.6}
.form-status a{color:var(--g);font-weight:700}

/* Advantages strip */
.adv-strip{background:var(--g)}
.adv-inner{display:grid;grid-template-columns:repeat(4,1fr)}
.adv-item{padding:28px 22px;border-right:1px solid rgba(255,255,255,.1);display:flex;align-items:flex-start;gap:14px}
.adv-item:last-child{border-right:none}
.adv-ic{width:40px;height:40px;flex-shrink:0;border-radius:10px;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;color:#fff}
.adv-ic svg{width:20px;height:20px}
.adv-item strong{display:block;color:#fff;font-size:14px;font-weight:800;margin-bottom:3px}
.adv-item span{color:rgba(255,255,255,.6);font-size:12px;line-height:1.5}

/* Portfolio grid */
.port-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.port-grid .wide{grid-column:span 2}
.port-card{border-radius:var(--r2);overflow:hidden;border:1.5px solid var(--line);background:var(--white);display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s,border-color .2s;text-decoration:none!important}
.port-card:hover{box-shadow:var(--sh2);transform:translateY(-4px);border-color:var(--gl2)}
.port-img{aspect-ratio:4/3;overflow:hidden;background:var(--gl);position:relative}
.port-card.wide .port-img{aspect-ratio:16/7}
.port-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s}
.port-card:hover .port-img img{transform:scale(1.06)}
.port-placeholder{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--soft)}
.port-placeholder svg{width:40px;height:40px;opacity:.35}
.port-placeholder span{font-size:12px;font-weight:600;opacity:.5}
.port-body{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column;gap:8px}
.port-body h3{font-size:15px;font-weight:800;color:var(--ink);margin:0;line-height:1.35}
.port-body p{font-size:13px;color:var(--soft);margin:0;line-height:1.55;flex:1}
.port-meta{font-size:12px;color:var(--teal);font-weight:700;margin-top:4px}

/* Process */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.process-grid::before{content:'';position:absolute;top:32px;left:15%;right:15%;height:2px;background:repeating-linear-gradient(90deg,var(--gl2) 0,var(--gl2) 8px,transparent 8px,transparent 16px)}
.step{display:flex;flex-direction:column;align-items:center;text-align:center;padding:0 20px;gap:16px;position:relative;z-index:1}
.step-n{width:64px;height:64px;border-radius:50%;background:var(--white);border:3px solid var(--gl2);display:flex;align-items:center;justify-content:center;font-family:'Geologica',sans-serif;font-size:22px;font-weight:900;color:var(--g);box-shadow:0 4px 20px rgba(26,99,88,.15)}
.step h3{font-size:15px;font-weight:800;color:var(--ink);margin:0}
.step p{font-size:13px;color:var(--soft);line-height:1.6;margin:0}

/* Calculator */
.calc-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.calc-form{background:var(--white);border-radius:var(--r2);border:1.5px solid var(--line);padding:36px 32px}
.calc-result{background:var(--white);border-radius:var(--r2);border:1.5px solid var(--line);padding:36px 32px;display:flex;flex-direction:column;gap:20px}
.calc-result-main{padding:24px;background:var(--gl);border-radius:var(--r);text-align:center}
.calc-price{font-family:'Geologica',sans-serif;font-size:48px;font-weight:900;color:var(--g);line-height:1}
.calc-price-label{font-size:14px;color:var(--soft);margin-top:6px}
.calc-breakdown{display:flex;flex-direction:column;gap:10px}
.calc-row{display:flex;justify-content:space-between;align-items:center;font-size:14px;padding:10px 0;border-bottom:1px solid var(--line)}
.calc-row:last-child{border-bottom:none;font-weight:800;font-size:16px;color:var(--g)}
.calc-row span:first-child{color:var(--soft)}
.calc-note{font-size:12px;color:var(--soft);line-height:1.6;padding:12px 14px;background:var(--bg);border-radius:10px}
.range-wrap{display:flex;flex-direction:column;gap:6px}
.range-wrap input[type=range]{width:100%;accent-color:var(--g)}
.range-val{font-size:13px;font-weight:700;color:var(--g);text-align:right}

/* CTA dark section */
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:start}
.cta-left{display:flex;flex-direction:column;gap:24px;padding-top:4px}
.cta-left h2{color:#fff}
.cta-left .overline{color:var(--teal)}
.cta-left p{color:rgba(255,255,255,.65);font-size:16px;line-height:1.65}
.cta-feats{display:flex;flex-direction:column;gap:10px}
.cta-feat{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.8);font-weight:600}
.cta-feat-dot{width:20px;height:20px;border-radius:6px;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;color:var(--teal);flex-shrink:0;font-size:11px;font-weight:900}
.cta-contacts{display:flex;flex-direction:column;gap:8px;margin-top:4px}
.cta-contact{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:var(--r);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);transition:background .18s}
.cta-contact:hover{background:rgba(255,255,255,.14)}
.cta-contact-ic{font-size:18px;width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.cta-contact strong{display:block;color:#fff;font-size:14px;font-weight:800}
.cta-contact span{color:rgba(255,255,255,.5);font-size:11px}

/* Footer */
footer{background:var(--ink);color:rgba(255,255,255,.6);padding:52px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:40px}
.footer-brand{font-family:'Geologica',sans-serif;font-size:20px;font-weight:900;color:#fff;display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-brand img{height:36px;width:auto;object-fit:contain}
.footer-desc{font-size:13px;line-height:1.65;color:rgba(255,255,255,.45);max-width:230px}
footer h4{font-size:12px;font-weight:800;color:#fff;letter-spacing:.5px;text-transform:uppercase;margin-bottom:14px}
footer ul{list-style:none;display:flex;flex-direction:column;gap:8px}
footer ul a{font-size:13px;color:rgba(255,255,255,.5);font-weight:500;transition:color .15s}
footer ul a:hover{color:#fff}
.footer-contact-item{display:flex;flex-direction:column;gap:2px;margin-bottom:10px}
.footer-contact-label{font-size:10px;color:rgba(255,255,255,.3);font-weight:700;text-transform:uppercase;letter-spacing:.8px}
.footer-contact-val{font-size:13px;color:rgba(255,255,255,.65);font-weight:600;transition:color .15s}
.footer-contact-val:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:22px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.25)}

/* Back to top */
.btt{position:fixed;bottom:24px;right:24px;width:46px;height:46px;border-radius:12px;background:var(--g);color:#fff;border:none;cursor:pointer;z-index:99;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(26,99,88,.35);opacity:0;transform:translateY(10px);transition:opacity .2s,transform .2s;pointer-events:none}
.btt.show{opacity:1;transform:translateY(0);pointer-events:auto}
.btt svg{width:20px;height:20px}

/* Mobile nav */
.mob-nav{display:none;position:fixed;inset:0;background:var(--white);z-index:200;flex-direction:column;padding:80px 24px 40px;gap:4px}
.mob-nav.open{display:flex}
.mob-nav a{padding:14px 16px;border-radius:var(--r);font-size:17px;font-weight:700;color:var(--ink);border-bottom:1px solid var(--line);transition:background .15s}
.mob-nav a:hover{background:var(--gl)}
.mob-close{position:absolute;top:18px;right:18px;background:var(--gl);border:none;cursor:pointer;width:40px;height:40px;border-radius:10px;font-size:20px;display:flex;align-items:center;justify-content:center}

/* Animations */
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.fu{animation:fadeUp .55s ease both}
.d1{animation-delay:.1s}.d2{animation-delay:.2s}.d3{animation-delay:.3s}

/* Responsive */
@media(max-width:1080px){
  .port-grid{grid-template-columns:1fr 1fr}
  .port-grid .wide{grid-column:span 1}
  .port-card.wide .port-img{aspect-ratio:4/3}
  .footer-grid{grid-template-columns:1fr 1fr}
  .adv-inner{grid-template-columns:repeat(2,1fr)}
  .calc-wrap{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr;gap:44px}
}
@media(max-width:860px){
  nav{display:none}
  .burger{display:flex}
  .tel-link span{display:none}
  .sec-head-row{flex-direction:column;align-items:flex-start}
  .process-grid{grid-template-columns:repeat(2,1fr);gap:36px}
  .process-grid::before{display:none}
}
@media(max-width:600px){
  .w{padding:0 16px}
  .section{padding:56px 0}
  .port-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .adv-inner{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .btt{bottom:14px;right:14px}
  .process-grid{grid-template-columns:1fr}
}