:root {
  --color-primary: #E30613;
  --color-primary-dark: #B9000A;
  --color-bg: #F5F5F5;
  --color-card: #FFFFFF;
  --color-text: #1A1A1A;
  --color-muted: #707070;
  --color-border: #E5E5E5;
  --color-panel: #24272D;
  --color-panel-soft: #343841;
  --color-blue: #2E5EAA;
  --radius-card: 20px;
  --radius-input: 16px;
  --space-card: 28px;
  --shadow-card: 0 18px 46px rgba(20, 24, 32, 0.08);
  --font-main: "Manrope", "Segoe UI", "Helvetica Neue", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-main);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(245, 245, 245, 1) 420px),
    repeating-linear-gradient(90deg, rgba(26, 26, 26, 0.035) 0 1px, transparent 1px 96px);
}

button,
input,
select {
  font: inherit;
}

button,
a {
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

button {
  cursor: pointer;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(227, 6, 19, 0.24);
  outline-offset: 2px;
}

.wwa-calculator {
  width: min(1540px, calc(100% - 40px));
  margin: 0 auto;
  padding: 32px 0 64px;
}

.wwa-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(190px, 260px);
  gap: 24px;
  align-items: end;
  min-height: 150px;
  padding: 18px 0 34px;
}

.wwa-hero__copy h1 {
  margin: 0 0 10px;
  font-size: clamp(42px, 5vw, 88px);
  line-height: 0.95;
  letter-spacing: 0;
}

.wwa-hero__copy p {
  max-width: 720px;
  margin: 0;
  color: var(--color-muted);
  font-size: 18px;
  line-height: 1.55;
}

.wwa-rate {
  justify-self: end;
  min-width: 150px;
  padding: 0;
  text-align: right;
}

.wwa-rate span,
.wwa-rate strong {
  display: block;
}

.wwa-rate span {
  margin-bottom: 5px;
  color: var(--color-muted);
  font-size: 12px;
}

.wwa-rate strong {
  font-size: 17px;
}

.wwa-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 470px);
  gap: 26px;
  align-items: start;
}

.wwa-inputs,
.wwa-results {
  display: grid;
  gap: 18px;
}

.wwa-results {
  position: sticky;
  top: 24px;
}

.wwa-card,
.wwa-result-card,
.wwa-total-panel,
.wwa-offer {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-card);
  box-shadow: var(--shadow-card);
}

.wwa-card {
  padding: var(--space-card);
}

.wwa-card--compact {
  background: rgba(255, 255, 255, 0.76);
}

.wwa-card__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}

.wwa-card__head h2,
.wwa-result-card h2,
.wwa-offer h2 {
  margin: 0;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: 0;
}

.wwa-card__head p,
.wwa-offer p {
  max-width: 560px;
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.45;
}

.wwa-grid {
  display: grid;
  gap: 16px;
}

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

.wwa-grid--1 {
  grid-template-columns: 1fr;
}

.wwa-field {
  display: grid;
  gap: 8px;
}

.wwa-field span,
.wwa-label {
  color: var(--color-muted);
  font-size: 13px;
  font-weight: 800;
}

.wwa-field input,
.wwa-field select {
  width: 100%;
  height: 60px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-input);
  background: #FAFAFA;
  color: var(--color-text);
  padding: 0 16px;
  font-size: 16px;
  font-weight: 750;
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.wwa-field select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 52px;
  background-color: #FAFAFA;
  background-image: url("data:image/svg+xml,%3Csvg width='14' height='14' viewBox='0 0 14 14' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3.25 5.25L7 9l3.75-3.75' fill='none' stroke='%231A1A1A' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
  background-size: 14px 14px;
}

.wwa-field select:focus {
  background-color: #FFFFFF;
}

.wwa-field input::placeholder {
  color: #A7A7A7;
}

.wwa-field input:focus,
.wwa-field select:focus {
  border-color: rgba(227, 6, 19, 0.54);
  background: #FFFFFF;
  box-shadow: 0 0 0 4px rgba(227, 6, 19, 0.08);
}

.wwa-field input[readonly] {
  background: #EFEFEF;
  color: var(--color-muted);
}

.wwa-subblock {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

#combustionFields,
#electricFields {
  margin-top: 22px;
}

.wwa-segment {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-input);
  background: #F1F1F1;
  padding: 6px;
}

.wwa-segment button {
  min-height: 48px;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: var(--color-muted);
  font-weight: 850;
}

.wwa-segment button.is-active {
  background: var(--color-text);
  color: #FFFFFF;
  box-shadow: 0 10px 22px rgba(26, 26, 26, 0.18);
}

.wwa-segment button:hover {
  color: var(--color-text);
}

.wwa-segment button.is-active:hover {
  color: #FFFFFF;
}

.wwa-radio-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.wwa-radio-cards button {
  min-height: 108px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-input);
  background: #FAFAFA;
  color: var(--color-text);
  padding: 16px;
  text-align: left;
}

.wwa-radio-cards strong,
.wwa-radio-cards span {
  display: block;
}

.wwa-radio-cards strong {
  margin-bottom: 8px;
  font-size: 16px;
  line-height: 1.2;
}

.wwa-radio-cards span {
  color: var(--color-muted);
  font-size: 13px;
  line-height: 1.35;
}

.wwa-radio-cards button.is-active {
  border-color: var(--color-primary);
  background: #FFF4F4;
  box-shadow: inset 0 0 0 1px rgba(227, 6, 19, 0.22);
}

.wwa-calc-button {
  min-height: 64px;
  border: 0;
  border-radius: var(--radius-input);
  background: var(--color-primary);
  color: #FFFFFF;
  font-size: 18px;
  font-weight: 900;
  box-shadow: 0 18px 32px rgba(227, 6, 19, 0.24);
}

.wwa-calc-button:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

.wwa-calc-button.is-loading {
  cursor: wait;
  opacity: 0.78;
}

.wwa-total-panel {
  overflow: hidden;
  background: var(--color-panel);
  color: #FFFFFF;
  padding: 24px;
}

.wwa-total-panel span {
  display: block;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  font-weight: 850;
  text-transform: uppercase;
}

.wwa-total-panel strong {
  display: block;
  min-height: 52px;
  color: #FFFFFF;
  font-size: clamp(34px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.wwa-total-panel p {
  min-height: 40px;
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  line-height: 1.45;
}

.wwa-result-card,
.wwa-offer {
  padding: 22px;
}

.wwa-result-card--accent {
  border-color: rgba(227, 6, 19, 0.24);
}

.wwa-result-card h2 {
  margin-bottom: 18px;
  font-size: 18px;
}

.wwa-lines {
  display: grid;
  gap: 10px;
  margin: 0;
}

.wwa-lines div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) max-content;
  gap: 14px;
  align-items: baseline;
  min-height: 28px;
}

.wwa-lines dt,
.wwa-lines dd {
  margin: 0;
}

.wwa-lines dt {
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.35;
}

.wwa-lines dd {
  color: var(--color-text);
  font-size: 15px;
  font-weight: 900;
  text-align: right;
  white-space: nowrap;
}

.wwa-lines__total {
  margin-top: 8px;
  border-top: 1px solid var(--color-border);
  padding-top: 14px;
}

.wwa-lines__total dt,
.wwa-lines__total dd {
  color: var(--color-primary);
  font-size: 16px;
}

.wwa-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.wwa-actions button,
.wwa-actions a,
.wwa-offer a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: #FFFFFF;
  color: var(--color-text);
  padding: 0 14px;
  font-size: 14px;
  font-weight: 900;
  text-decoration: none;
  text-align: center;
}

.wwa-actions button:hover,
.wwa-actions a:hover {
  border-color: rgba(227, 6, 19, 0.32);
  color: var(--color-primary);
}

.wwa-actions button.is-copied {
  border-color: rgba(227, 6, 19, 0.42);
  background: rgba(227, 6, 19, 0.08);
  color: var(--color-primary);
}

.wwa-offer {
  background: #FFFFFF;
}

.wwa-offer p {
  margin: 10px 0 18px;
}

.wwa-offer a {
  width: 100%;
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #FFFFFF;
}

.wwa-offer a:hover {
  background: var(--color-primary-dark);
}

.is-hidden {
  display: none;
}

.wwa-bump {
  animation: wwaBump 0.36s ease;
}

@keyframes wwaBump {
  0% { transform: scale(1); }
  45% { transform: scale(1.025); }
  100% { transform: scale(1); }
}

@media (max-width: 1600px) {
  .wwa-calculator {
    width: min(1380px, calc(100% - 36px));
  }
}

@media (max-width: 1440px) {
  .wwa-layout {
    grid-template-columns: minmax(0, 1fr) minmax(360px, 430px);
  }
}

@media (max-width: 1366px) {
  .wwa-card {
    padding: 24px;
  }

  .wwa-hero__copy h1 {
    font-size: clamp(40px, 5vw, 72px);
  }
}

@media (max-width: 1280px) {
  .wwa-layout {
    grid-template-columns: minmax(0, 1fr) minmax(340px, 390px);
  }

  .wwa-radio-cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1024px) {
  .wwa-hero {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .wwa-rate {
    justify-self: start;
    text-align: left;
  }

  .wwa-layout {
    grid-template-columns: 1fr;
  }

  .wwa-results {
    position: static;
  }
}

@media (max-width: 768px) {
  .wwa-calculator {
    width: min(100% - 24px, 720px);
    padding-top: 18px;
  }

  .wwa-hero {
    min-height: unset;
    padding: 18px 0 22px;
  }

  .wwa-card__head {
    display: grid;
  }

  .wwa-grid--2 {
    grid-template-columns: 1fr;
  }

  .wwa-segment {
    grid-template-columns: 1fr;
  }

  .wwa-actions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  :root {
    --space-card: 18px;
    --radius-card: 18px;
    --radius-input: 14px;
  }

  .wwa-hero__copy h1 {
    font-size: 40px;
  }

  .wwa-hero__copy p {
    font-size: 16px;
  }

  .wwa-field input,
  .wwa-field select {
    height: 58px;
  }

  .wwa-lines div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .wwa-lines dd {
    text-align: left;
  }
}

@media (max-width: 390px) {
  .wwa-calculator {
    width: min(100% - 18px, 372px);
  }

  .wwa-card,
  .wwa-result-card,
  .wwa-total-panel,
  .wwa-offer {
    border-radius: 16px;
  }

  .wwa-hero__copy h1 {
    font-size: 36px;
  }

  .wwa-total-panel strong {
    font-size: 31px;
  }
}

@media (max-width: 360px) {
  .wwa-card,
  .wwa-result-card,
  .wwa-total-panel,
  .wwa-offer {
    padding: 16px;
  }
}







.wwa-trust-block{
    margin:60px 0;
    padding:40px;
    background:#f7f9fc;
    border-radius:18px;
}

.wwa-trust-block h2{
    text-align:center;
    margin-bottom:15px;
}

.wwa-trust-block>p{
    text-align:center;
    max-width:850px;
    margin:0 auto 35px;
}

.wwa-trust-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:25px;
}

.wwa-trust-item{
    background:#fff;
    border-radius:14px;
    padding:25px;
    box-shadow:0 5px 18px rgba(0,0,0,.06);
    transition:.2s;
}

.wwa-trust-item:hover{
    transform:translateY(-4px);
}

.wwa-icon{
    display:inline-flex;
    width:34px;
    height:34px;
    border-radius:50%;
    background:#1d71b8;
    color:#fff;
    justify-content:center;
    align-items:center;
    font-weight:700;
    margin-bottom:15px;
}

.wwa-trust-item h3{
    margin-bottom:10px;
    font-size:18px;
}

.wwa-trust-item p{
    margin:0;
    color:#666;
    line-height:1.6;
}


.faq-block{
    margin:70px 0;
}

.faq-block h2{
    margin-bottom:30px;
    text-align:center;
}

.faq-item{
    margin-bottom:16px;
    border:1px solid #e6e6e6;
    border-radius:12px;
    background:#fff;
    overflow:hidden;
    transition:.25s;
    box-shadow:0 3px 10px rgba(0,0,0,.04);
}

.faq-item:hover{
    box-shadow:0 8px 22px rgba(0,0,0,.08);
}

.faq-item summary{
    position:relative;
    list-style:none;
    cursor:pointer;
    padding:22px 65px 22px 25px;
    font-size:18px;
    font-weight:600;
    line-height:1.5;
    transition:.25s;
}

.faq-item summary::-webkit-details-marker{
    display:none;
}

.faq-item summary::after{
    content:"+";
    position:absolute;
    right:25px;
    top:50%;
    transform:translateY(-50%);
    width:34px;
    height:34px;
    border-radius:50%;
    background:#e30613;
    color:#fff;
    font-size:24px;
    font-weight:700;
    display:flex;
    align-items:center;
    justify-content:center;
    transition:.25s;
}

.faq-item[open] summary{
    color:#e30613;
}

.faq-item[open] summary::after{
    content:"−";
    transform:translateY(-50%) rotate(180deg);
}

.faq-content{
    padding:0 25px 25px;
    border-top:1px solid #f1f1f1;
    animation:faqFade .25s ease;
}

.faq-content p{
    margin:20px 0 0;
    line-height:1.8;
    color:#555;
}

@keyframes faqFade{
    from{
        opacity:0;
        transform:translateY(-8px);
    }
    to{
        opacity:1;
        transform:translateY(0);
    }
}

@media(max-width:768px){

    .faq-item summary{
        padding:18px 55px 18px 18px;
        font-size:16px;
    }

    .faq-content{
        padding:0 18px 18px;
    }

    .faq-item summary::after{
        right:15px;
        width:30px;
        height:30px;
        font-size:22px;
    }

}