/* v3.4 — five-screen layout, always-expanded initial base fields, compact end. */
.calculator-section .section-heading h2{font-size:clamp(25px,2.5vw,35px);max-width:830px}
.base-fields .included-chip{min-height:29px;padding:5px 7px}
.base-fields .included-grid{gap:5px;padding-bottom:8px}
.base-fields>p{font-size:10px;line-height:1.4}

/* FAQ, practical uses and company contacts share one closing screen. */
.compact-ending{padding:36px 0 0;background:#081524;color:#f3f7fb}
.ending-heading{margin:0 0 19px}
.ending-heading .section-label{margin:0 0 9px;font-size:10px;color:#7ae6db}
.ending-heading h2{font-size:clamp(29px,2.8vw,39px);line-height:1.12;letter-spacing:-.025em;margin:0;color:#f3f7fb}
.ending-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:start}
.compact-ending .faq-list details:first-child{border-top:1px solid #c0d6e31c}
.compact-ending .faq-list summary{align-items:center;min-height:48px;gap:15px;padding:12px 0;font-size:13px;font-weight:700;line-height:1.4;color:#e4edf5}
.compact-ending .faq-list summary>span{flex:none;font-size:22px;line-height:1;color:#7ae6db}
.compact-ending .faq-list p{padding:0 23px 15px 0;color:#b9cbd9;font-size:12px;line-height:1.6}
.ending-uses{min-width:0;scroll-margin-top:100px}
.ending-uses h3{margin:0 0 13px;color:#dfeaf4;font-size:17px;line-height:1.3;font-weight:750}
.purpose-list{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:9px 18px;margin:0;padding:0}
.purpose-list li{position:relative;min-width:0;padding-left:12px;font-size:12px;line-height:1.45;color:#c3d1dd}
.purpose-list li::before{content:"";position:absolute;left:0;top:.58em;width:4px;height:4px;border-radius:50%;background:#58cfc1}
.compact-ending .site-footer{margin:29px 0 0;padding:21px 0 18px;background:#050e19;border-top-color:#94b4c526}
.compact-ending .footer-grid{grid-template-columns:1.12fr 1.12fr 1fr .48fr;gap:24px;align-items:start}
.compact-ending .footer-grid>*{min-width:0}
.compact-ending .footer-brand .brand{min-width:0}
.compact-ending .footer-brand p{margin:8px 0 0;font-size:10px;line-height:1.5;max-width:220px;color:#91a6b8}
.compact-ending .footer-requisites{font-size:10px;line-height:1.55;color:#afc0ce}
.compact-ending .footer-requisites strong{font-size:11px;line-height:1.4;color:#ebf2f7}
.compact-ending .footer-links a{font-size:11px;line-height:1.5;color:#b5c7d5}
.compact-ending .footer-contact{justify-items:start;text-align:left}
.compact-ending .footer-contact a,.compact-ending .footer-contact button{font-size:13px;font-weight:750;color:#7ae6db}
.compact-ending .footer-contact span{color:#a8bccb;font-size:10px}
.compact-ending .footer-bottom{margin-top:16px;padding-top:10px;font-size:10px;color:#9aaebb}
.contact-in-view .mobile-sticky{display:none}

@media(min-width:1001px){
 .calculator-section .section-heading{column-gap:20px}
 .calculator-section .section-heading>p:last-child{max-width:240px;font-size:11px}
}
@media(min-width:701px) and (max-width:1050px){
 .included-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .ending-grid{gap:28px}
 .compact-ending .footer-grid{grid-template-columns:1fr 1fr;gap:18px 26px}
}
@media(max-width:760px){
 .compact-ending{padding-top:25px}
 .ending-heading{margin-bottom:15px}
 .ending-heading h2{font-size:29px}
 .ending-heading .section-label{font-size:9px;margin-bottom:6px}
 .ending-grid{grid-template-columns:1fr;gap:21px}
 .compact-ending .faq-list summary{padding:10px 0;min-height:44px;font-size:12px}
 .compact-ending .faq-list p{font-size:12px;padding-right:10px}
 .ending-uses h3{font-size:16px;margin-bottom:11px}
 .purpose-list{grid-template-columns:1fr 1fr;gap:8px 14px}
 .purpose-list li{font-size:11px;line-height:1.4}
 .compact-ending .site-footer{margin-top:23px;padding:18px 0 max(18px,env(safe-area-inset-bottom))}
 .compact-ending .footer-grid{grid-template-columns:1fr 1fr;gap:14px 17px}
 .compact-ending .footer-brand{grid-column:1/-1}
 .compact-ending .footer-brand .brand{display:inline-flex}
 .compact-ending .footer-brand p{display:none}
 .compact-ending .footer-requisites{grid-column:1;font-size:10px;line-height:1.45}
 .compact-ending .footer-requisites strong{font-size:10px;line-height:1.4}
 .compact-ending .footer-links{grid-column:2;gap:7px}
 .compact-ending .footer-links a{font-size:10px;line-height:1.45}
 .compact-ending .footer-contact{grid-column:1/-1;display:flex;align-items:center;flex-wrap:wrap;gap:9px 18px}
 .compact-ending .footer-contact a,.compact-ending .footer-contact button{min-height:30px;display:flex;align-items:center;font-size:12px}
 .compact-ending .footer-bottom{margin-top:10px;padding-top:10px;font-size:9px}
}
@media(max-width:700px){
 .calculator-section .section-heading h2{font-size:24px;line-height:1.14}
 .base-fields>summary{font-size:11px}
 .base-fields .included-chip{font-size:10px;line-height:1.25;padding:5px 6px;gap:5px;min-height:30px}
 .base-fields .included-chip input{width:13px;height:13px}
 .base-fields>p{font-size:9px}
 .base-fields .included-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:4px;padding-left:7px;padding-right:7px}
}
@media(max-width:359px){
 .calculator-section .section-heading h2{font-size:22px}
 .base-fields .included-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .compact-ending .footer-grid{gap:14px 13px}
 .compact-ending .footer-links a{font-size:10px}
}