/* Start custom CSS for html, class: .elementor-element-b82200e */.em-pvcalc {
--pvc-green: #166534;
--pvc-green-dark: #123f25;
--pvc-green-light: #dcfce7;
--pvc-yellow: #f59e0b;
--pvc-yellow-light: #fef3c7;
--pvc-blue: #0369a1;
--pvc-blue-light: #e0f2fe;
--pvc-red: #b91c1c;
--pvc-red-light: #fee2e2;
--pvc-text: #18212f;
--pvc-muted: #596579;
--pvc-border: #dce3ea;
--pvc-bg: #f6f8fa;
--pvc-white: #ffffff;
--pvc-shadow: 0 16px 38px rgba(15, 23, 42, 0.075);
max-width: 1180px;
margin: 0 auto;
color: var(--pvc-text);
font-size: 17px;
line-height: 1.72;
}

.em-pvcalc,
.em-pvcalc * {
box-sizing: border-box;
}

.em-pvcalc h1,
.em-pvcalc h2,
.em-pvcalc h3,
.em-pvcalc p,
.em-pvcalc ul,
.em-pvcalc ol,
.em-pvcalc blockquote {
margin-top: 0;
}

.em-pvcalc h1 {
max-width: 980px;
margin-bottom: 24px;
font-size: clamp(34px, 5vw, 59px);
line-height: 1.08;
letter-spacing: -0.035em;
}

.em-pvcalc h2 {
margin-bottom: 22px;
font-size: clamp(27px, 3.4vw, 40px);
line-height: 1.18;
letter-spacing: -0.025em;
}

.em-pvcalc h3 {
margin-bottom: 12px;
font-size: clamp(20px, 2.3vw, 25px);
line-height: 1.3;
}

.em-pvcalc p:last-child,
.em-pvcalc ul:last-child,
.em-pvcalc ol:last-child {
margin-bottom: 0;
}

.em-pvcalc a {
color: var(--pvc-green);
text-decoration-thickness: 1px;
text-underline-offset: 3px;
}

.em-pvcalc__hero {
position: relative;
overflow: hidden;
margin-bottom: 28px;
padding: clamp(34px, 6vw, 76px);
border-radius: 30px;
background:
radial-gradient(circle at 86% 16%, rgba(245, 158, 11, 0.35), transparent 25%),
radial-gradient(circle at 78% 90%, rgba(34, 197, 94, 0.25), transparent 31%),
linear-gradient(135deg, #102f20 0%, #166534 55%, #14532d 100%);
color: var(--pvc-white);
box-shadow: var(--pvc-shadow);
}

.em-pvcalc__hero::after {
content: "";
position: absolute;
right: -110px;
bottom: -135px;
width: 400px;
height: 400px;
border: 42px solid rgba(255, 255, 255, 0.065);
border-radius: 50%;
}

.em-pvcalc__hero-content {
position: relative;
z-index: 1;
}

.em-pvcalc__eyebrow {
display: inline-flex;
align-items: center;
margin-bottom: 18px;
padding: 7px 12px;
border-radius: 999px;
background: rgba(255, 255, 255, 0.14);
font-size: 13px;
font-weight: 800;
line-height: 1.2;
letter-spacing: 0.07em;
text-transform: uppercase;
}

.em-pvcalc__eyebrow--dark {
background: var(--pvc-green-light);
color: var(--pvc-green);
}

.em-pvcalc__lead {
max-width: 920px;
margin-bottom: 27px;
color: rgba(255, 255, 255, 0.9);
font-size: clamp(18px, 2vw, 22px);
line-height: 1.58;
}

.em-pvcalc__badges,
.em-pvcalc__cta-services {
display: flex;
flex-wrap: wrap;
gap: 9px;
margin-bottom: 28px;
}

.em-pvcalc__badges span,
.em-pvcalc__cta-services span {
padding: 7px 12px;
border: 1px solid rgba(255, 255, 255, 0.23);
border-radius: 999px;
background: rgba(255, 255, 255, 0.08);
font-size: 14px;
font-weight: 700;
}

.em-pvcalc__hero-actions,
.em-pvcalc__cta-actions {
display: flex;
flex-wrap: wrap;
gap: 12px;
}

.em-pvcalc__button {
display: inline-flex;
align-items: center;
justify-content: center;
min-height: 50px;
padding: 13px 21px;
border: 1px solid transparent;
border-radius: 12px;
font-weight: 800;
line-height: 1.2;
text-align: center;
text-decoration: none !important;
transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.em-pvcalc__button:hover {
transform: translateY(-2px);
}

.em-pvcalc__button--primary {
background: var(--pvc-yellow);
color: #241600 !important;
box-shadow: 0 10px 24px rgba(245, 158, 11, 0.25);
}

.em-pvcalc__button--secondary {
border-color: rgba(255, 255, 255, 0.35);
background: rgba(255, 255, 255, 0.1);
color: var(--pvc-white) !important;
}

.em-pvcalc__button--telegram {
background: #168bd2;
color: var(--pvc-white) !important;
}

.em-pvcalc__answer,
.em-pvcalc__note,
.em-pvcalc__warning,
.em-pvcalc__danger {
margin: 27px 0;
padding: 24px 26px;
border-radius: 18px;
}

.em-pvcalc__answer {
border: 1px solid #bbf7d0;
background: var(--pvc-green-light);
}

.em-pvcalc__note {
border-left: 5px solid var(--pvc-blue);
background: var(--pvc-blue-light);
}

.em-pvcalc__warning {
border-left: 5px solid var(--pvc-yellow);
background: var(--pvc-yellow-light);
}

.em-pvcalc__danger {
border-left: 5px solid var(--pvc-red);
background: var(--pvc-red-light);
}

.em-pvcalc__answer strong,
.em-pvcalc__note strong,
.em-pvcalc__warning strong,
.em-pvcalc__danger strong {
display: block;
margin-bottom: 7px;
font-size: 19px;
}

.em-pvcalc__toc {
margin: 28px 0;
padding: clamp(24px, 4vw, 36px);
border: 1px solid var(--pvc-border);
border-radius: 22px;
background: var(--pvc-white);
box-shadow: var(--pvc-shadow);
}

.em-pvcalc__toc h2 {
margin-bottom: 20px;
font-size: 25px;
}

.em-pvcalc__toc-grid {
display: grid;
grid-template-columns: repeat(4, minmax(0, 1fr));
gap: 10px 18px;
}

.em-pvcalc__toc-grid a {
position: relative;
padding: 7px 0 7px 17px;
color: var(--pvc-text);
font-size: 15px;
font-weight: 700;
line-height: 1.4;
text-decoration: none;
}

.em-pvcalc__toc-grid a::before {
content: "";
position: absolute;
top: 15px;
left: 0;
width: 7px;
height: 7px;
border-radius: 50%;
background: var(--pvc-green);
}

.em-pvcalc__section {
position: relative;
margin: 30px 0;
padding: clamp(28px, 5vw, 50px);
border: 1px solid var(--pvc-border);
border-radius: 26px;
background: var(--pvc-white);
box-shadow: 0 12px 34px rgba(15, 23, 42, 0.055);
}

.em-pvcalc__section-number {
display: inline-flex;
align-items: center;
justify-content: center;
min-width: 48px;
height: 32px;
margin-bottom: 18px;
padding: 0 12px;
border-radius: 999px;
background: var(--pvc-green);
color: var(--pvc-white);
font-size: 13px;
font-weight: 900;
letter-spacing: 0.08em;
}

.em-pvcalc__grid {
display: grid;
gap: 18px;
margin: 24px 0;
}

.em-pvcalc__grid--2 {
grid-template-columns: repeat(2, minmax(0, 1fr));
}

.em-pvcalc__grid--3 {
grid-template-columns: repeat(3, minmax(0, 1fr));
}

.em-pvcalc__card {
height: 100%;
padding: 24px;
border: 1px solid var(--pvc-border);
border-radius: 18px;
background: var(--pvc-bg);
}

.em-pvcalc__card--power {
border-top: 5px solid var(--pvc-green);
}

.em-pvcalc__card--energy {
border-top: 5px solid var(--pvc-yellow);
}

.em-pvcalc__card-label {
display: inline-flex;
margin-bottom: 11px;
color: var(--pvc-green);
font-size: 12px;
font-weight: 900;
letter-spacing: 0.08em;
text-transform: uppercase;
}

.em-pvcalc__example-line {
margin-top: 9px;
padding: 8px 11px;
border-radius: 9px;
background: var(--pvc-white);
font-size: 14px;
font-weight: 700;
}

.em-pvcalc__purpose-grid {
display: grid;
grid-template-columns: repeat(2, minmax(0, 1fr));
gap: 18px;
margin: 26px 0;
}

.em-pvcalc__purpose-grid article {
padding: 24px;
border: 1px solid var(--pvc-border);
border-radius: 18px;
background: var(--pvc-bg);
}

.em-pvcalc__purpose-grid span {
display: inline-flex;
margin-bottom: 11px;
color: var(--pvc-green);
font-size: 12px;
font-weight: 900;
letter-spacing: 0.08em;
text-transform: uppercase;
}

.em-pvcalc__purpose-grid strong {
color: var(--pvc-green-dark);
}

.em-pvcalc__data-list {
display: grid;
grid-template-columns: repeat(3, minmax(0, 1fr));
gap: 16px;
margin: 24px 0;
}

.em-pvcalc__data-list div {
padding: 21px;
border: 1px solid var(--pvc-border);
border-radius: 17px;
background: var(--pvc-bg);
}

.em-pvcalc__data-list strong {
display: block;
margin-bottom: 7px;
color: var(--pvc-green-dark);
font-size: 17px;
}

.em-pvcalc__table-wrap {
width: 100%;
margin: 25px 0;
overflow-x: auto;
border: 1px solid var(--pvc-border);
border-radius: 17px;
-webkit-overflow-scrolling: touch;
}

.em-pvcalc__table {
width: 100%;
min-width: 700px;
border-collapse: collapse;
background: var(--pvc-white);
}

.em-pvcalc__table th,
.em-pvcalc__table td {
padding: 16px 17px;
border-bottom: 1px solid var(--pvc-border);
vertical-align: top;
text-align: left;
}

.em-pvcalc__table th {
background: #eef7f1;
color: var(--pvc-green-dark);
font-size: 14px;
font-weight: 900;
}

.em-pvcalc__table tbody tr:last-child td {
border-bottom: 0;
}

.em-pvcalc__formula {
margin: 25px 0;
padding: 27px;
border: 1px solid #bbf7d0;
border-radius: 19px;
background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
text-align: center;
}

.em-pvcalc__formula-name {
margin-bottom: 9px;
color: var(--pvc-green);
font-size: 13px;
font-weight: 900;
letter-spacing: 0.07em;
text-transform: uppercase;
}

.em-pvcalc__formula-main {
margin-bottom: 11px;
color: var(--pvc-green-dark);
font-size: clamp(27px, 4vw, 42px);
font-weight: 900;
line-height: 1.2;
}

.em-pvcalc__mini-example {
margin: 24px 0;
padding: 23px;
border: 1px solid var(--pvc-border);
border-radius: 18px;
background: var(--pvc-bg);
}

.em-pvcalc__mini-example > strong {
display: block;
margin-bottom: 8px;
color: var(--pvc-green);
font-size: 18px;
}

.em-pvcalc__mini-calc {
margin: 15px 0;
padding: 13px 16px;
border-radius: 11px;
background: var(--pvc-white);
color: var(--pvc-green-dark);
font-size: 21px;
font-weight: 900;
text-align: center;
}

.em-pvcalc__steps {
margin: 25px 0;
padding: 0;
list-style: none;
}

.em-pvcalc__steps li {
display: grid;
grid-template-columns: 40px minmax(0, 1fr);
gap: 15px;
margin-bottom: 15px;
padding: 19px;
border: 1px solid var(--pvc-border);
border-radius: 16px;
background: var(--pvc-bg);
}

.em-pvcalc__steps li > span {
display: inline-flex;
align-items: center;
justify-content: center;
width: 36px;
height: 36px;
border-radius: 50%;
background: var(--pvc-green);
color: var(--pvc-white);
font-weight: 900;
}

.em-pvcalc__steps strong {
display: block;
margin-bottom: 5px;
font-size: 18px;
}

.em-pvcalc__result {
display: grid;
grid-template-columns: minmax(250px, 0.8fr) minmax(0, 1.3fr);
gap: 25px;
margin: 27px 0;
padding: 27px;
border-radius: 20px;
background: linear-gradient(135deg, var(--pvc-green-dark), var(--pvc-green));
color: var(--pvc-white);
}

.em-pvcalc__result span {
display: block;
margin-bottom: 7px;
color: #bbf7d0;
font-size: 12px;
font-weight: 900;
letter-spacing: 0.08em;
text-transform: uppercase;
}

.em-pvcalc__result strong {
font-size: 22px;
line-height: 1.35;
}

.em-pvcalc__calculation {
display: grid;
grid-template-columns: repeat(3, minmax(0, 1fr));
gap: 15px;
margin: 25px 0;
}

.em-pvcalc__calculation div {
padding: 21px;
border: 1px solid var(--pvc-border);
border-radius: 17px;
background: var(--pvc-bg);
text-align: center;
}

.em-pvcalc__calculation span {
display: inline-flex;
align-items: center;
justify-content: center;
width: 31px;
height: 31px;
margin-bottom: 11px;
border-radius: 50%;
background: var(--pvc-green);
color: var(--pvc-white);
font-size: 13px;
font-weight: 900;
}

.em-pvcalc__calculation p {
color: var(--pvc-green-dark);
font-weight: 800;
}

.em-pvcalc__examples {
display: grid;
gap: 20px;
margin: 25px 0;
}

.em-pvcalc__example {
padding: 26px;
border: 1px solid var(--pvc-border);
border-radius: 20px;
background: var(--pvc-bg);
}

.em-pvcalc__example-head span {
display: inline-flex;
margin-bottom: 9px;
color: var(--pvc-green);
font-size: 12px;
font-weight: 900;
letter-spacing: 0.08em;
text-transform: uppercase;
}

.em-pvcalc__example-data {
display: grid;
grid-template-columns: repeat(3, minmax(0, 1fr));
gap: 12px;
margin: 20px 0;
}

.em-pvcalc__example-data div {
padding: 15px;
border-radius: 13px;
background: var(--pvc-white);
}

.em-pvcalc__example-data span {
display: block;
margin-bottom: 5px;
color: var(--pvc-muted);
font-size: 12px;
font-weight: 700;
}

.em-pvcalc__example-data strong {
color: var(--pvc-green-dark);
font-size: 17px;
}

.em-pvcalc__example-formula {
margin: 18px 0;
padding: 14px 17px;
border-radius: 12px;
background: var(--pvc-green-dark);
color: var(--pvc-white);
font-size: 21px;
font-weight: 900;
text-align: center;
}

.em-pvcalc__season-grid {
display: grid;
grid-template-columns: repeat(3, minmax(0, 1fr));
gap: 17px;
margin: 26px 0;
}

.em-pvcalc__season-grid article {
padding: 23px;
border: 1px solid var(--pvc-border);
border-radius: 18px;
background: var(--pvc-bg);
}

.em-pvcalc__season-icon {
margin-bottom: 10px;
font-size: 29px;
}

.em-pvcalc__checklist {
padding-left: 0;
list-style: none;
}

.em-pvcalc__checklist li {
position: relative;
margin-bottom: 10px;
padding-left: 31px;
}

.em-pvcalc__checklist li::before {
content: "✓";
position: absolute;
top: 1px;
left: 0;
display: inline-flex;
align-items: center;
justify-content: center;
width: 21px;
height: 21px;
border-radius: 50%;
background: var(--pvc-green-light);
color: var(--pvc-green);
font-size: 13px;
font-weight: 900;
}

.em-pvcalc__comparison {
display: grid;
grid-template-columns: repeat(3, minmax(0, 1fr));
gap: 17px;
margin: 25px 0;
}

.em-pvcalc__comparison div {
padding: 23px;
border: 1px solid var(--pvc-border);
border-radius: 18px;
background: var(--pvc-bg);
}

.em-pvcalc__comparison span {
display: inline-flex;
margin-bottom: 9px;
color: var(--pvc-green);
font-size: 12px;
font-weight: 900;
letter-spacing: 0.08em;
text-transform: uppercase;
}

.em-pvcalc__comparison strong {
display: block;
margin-bottom: 7px;
font-size: 19px;
}

.em-pvcalc__mistakes {
display: grid;
grid-template-columns: repeat(2, minmax(0, 1fr));
gap: 17px;
margin: 25px 0;
}

.em-pvcalc__mistakes article {
position: relative;
padding: 23px 23px 23px 66px;
border: 1px solid var(--pvc-border);
border-radius: 18px;
background: var(--pvc-bg);
}

.em-pvcalc__mistakes article > span {
position: absolute;
top: 23px;
left: 20px;
color: var(--pvc-green);
font-size: 13px;
font-weight: 900;
letter-spacing: 0.08em;
}

.em-pvcalc__mistakes h3 {
font-size: 20px;
}

.em-pvcalc__standards {
display: grid;
grid-template-columns: repeat(2, minmax(0, 1fr));
gap: 17px;
margin: 25px 0;
}

.em-pvcalc__standards article {
padding: 22px;
border: 1px solid var(--pvc-border);
border-radius: 17px;
background: var(--pvc-bg);
}

.em-pvcalc__standards strong {
display: block;
margin-bottom: 8px;
color: var(--pvc-green-dark);
font-size: 17px;
}

.em-pvcalc__quote {
margin: 26px 0;
padding: 23px 25px;
border-left: 5px solid var(--pvc-green);
border-radius: 0 16px 16px 0;
background: var(--pvc-green-light);
color: var(--pvc-green-dark);
font-weight: 700;
}

.em-pvcalc__faq details {
margin-bottom: 12px;
overflow: hidden;
border: 1px solid var(--pvc-border);
border-radius: 15px;
background: var(--pvc-bg);
}

.em-pvcalc__faq summary {
position: relative;
padding: 19px 52px 19px 20px;
cursor: pointer;
font-weight: 800;
line-height: 1.4;
list-style: none;
}

.em-pvcalc__faq summary::-webkit-details-marker {
display: none;
}

.em-pvcalc__faq summary::after {
content: "+";
position: absolute;
top: 50%;
right: 20px;
transform: translateY(-50%);
color: var(--pvc-green);
font-size: 25px;
font-weight: 500;
}

.em-pvcalc__faq details[open] summary::after {
content: "−";
}

.em-pvcalc__faq details div {
padding: 0 20px 20px;
color: var(--pvc-muted);
}

.em-pvcalc__conclusion,
.em-pvcalc__cta {
margin: 30px 0;
padding: clamp(31px, 6vw, 58px);
border-radius: 27px;
}

.em-pvcalc__conclusion {
border: 1px solid var(--pvc-border);
background: var(--pvc-bg);
}

.em-pvcalc__cta {
background:
radial-gradient(circle at 90% 10%, rgba(245, 158, 11, 0.26), transparent 28%),
linear-gradient(135deg, #10261b 0%, #14532d 100%);
color: var(--pvc-white);
box-shadow: var(--pvc-shadow);
}

.em-pvcalc__cta p {
color: rgba(255, 255, 255, 0.86);
}

.em-pvcalc__cta-note {
margin-top: 24px;
padding-top: 20px;
border-top: 1px solid rgba(255, 255, 255, 0.17);
font-size: 14px;
}

.em-pvcalc__related {
margin: 30px 0;
}

.em-pvcalc__related-grid {
display: grid;
grid-template-columns: repeat(2, minmax(0, 1fr));
gap: 16px;
}

.em-pvcalc__related-grid a {
display: flex;
flex-direction: column;
gap: 7px;
min-height: 145px;
padding: 23px;
border: 1px solid var(--pvc-border);
border-radius: 18px;
background: var(--pvc-white);
color: var(--pvc-text);
text-decoration: none;
box-shadow: 0 9px 25px rgba(15, 23, 42, 0.045);
transition: transform 0.18s ease, border-color 0.18s ease;
}

.em-pvcalc__related-grid a:hover {
transform: translateY(-3px);
border-color: #86efac;
}

.em-pvcalc__related-grid strong {
color: var(--pvc-green-dark);
font-size: 18px;
line-height: 1.35;
}

.em-pvcalc__related-grid span {
color: var(--pvc-muted);
font-size: 14px;
line-height: 1.5;
}

@media (max-width: 980px) {
.em-pvcalc__toc-grid {
grid-template-columns: repeat(2, minmax(0, 1fr));
}

```
.em-pvcalc__data-list,
.em-pvcalc__grid--3,
.em-pvcalc__calculation,
.em-pvcalc__season-grid,
.em-pvcalc__comparison {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}
```

}

@media (max-width: 700px) {
.em-pvcalc {
font-size: 16px;
line-height: 1.68;
}

```
.em-pvcalc__hero,
.em-pvcalc__section,
.em-pvcalc__conclusion,
.em-pvcalc__cta {
    border-radius: 20px;
}

.em-pvcalc__hero {
    padding: 30px 22px;
}

.em-pvcalc__section {
    padding: 27px 20px;
}

.em-pvcalc__toc {
    padding: 24px 20px;
}

.em-pvcalc__toc-grid,
.em-pvcalc__grid--2,
.em-pvcalc__grid--3,
.em-pvcalc__purpose-grid,
.em-pvcalc__data-list,
.em-pvcalc__calculation,
.em-pvcalc__example-data,
.em-pvcalc__season-grid,
.em-pvcalc__comparison,
.em-pvcalc__mistakes,
.em-pvcalc__standards,
.em-pvcalc__related-grid,
.em-pvcalc__result {
    grid-template-columns: 1fr;
}

.em-pvcalc__button {
    width: 100%;
}

.em-pvcalc__hero-actions,
.em-pvcalc__cta-actions {
    display: grid;
    grid-template-columns: 1fr;
}

.em-pvcalc__answer,
.em-pvcalc__note,
.em-pvcalc__warning,
.em-pvcalc__danger {
    padding: 21px 19px;
    border-radius: 15px;
}

.em-pvcalc__table {
    min-width: 650px;
}

.em-pvcalc__table th,
.em-pvcalc__table td {
    padding: 14px;
    font-size: 14px;
}

.em-pvcalc__formula {
    padding: 23px 17px;
}

.em-pvcalc__steps li {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 12px;
    padding: 17px;
}

.em-pvcalc__steps li > span {
    width: 32px;
    height: 32px;
}

.em-pvcalc__mistakes article {
    padding: 22px 20px 22px 60px;
}

.em-pvcalc__related-grid a {
    min-height: 0;
}
```

}

@media (max-width: 420px) {
.em-pvcalc__toc-grid {
grid-template-columns: 1fr;
}

```
.em-pvcalc__badges {
    gap: 7px;
}

.em-pvcalc__badges span {
    font-size: 12px;
}

.em-pvcalc__table {
    min-width: 610px;
}
```

}/* End custom CSS */