.feature-page {
  min-height: 100svh;
  background: var(--paper-bright);
  color: var(--ink);
}

.feature-header {
  position: relative;
  z-index: 4;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: clamp(28px, 4vw, 70px);
  min-height: 102px;
  padding: 18px clamp(24px, 4vw, 72px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  background: var(--green-dark);
  color: #fff;
}

.feature-brand {
  width: fit-content;
}

.feature-brand .brand-lockup {
  gap: 13px;
}

.feature-brand .brand-lockup__mark {
  width: 43px;
  height: 43px;
}

.feature-brand .brand-lockup__mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.feature-brand .brand-lockup__wordmark {
  width: 100px;
  height: auto;
}

.feature-nav {
  display: flex;
  gap: clamp(24px, 3vw, 54px);
  align-items: center;
}

.feature-nav a,
.feature-header__cta,
.feature-back,
.feature-button,
.feature-text-link {
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.feature-nav a {
  color: rgba(255, 255, 255, 0.72);
}

.feature-nav a:hover,
.feature-nav a:focus-visible {
  color: #fff;
}

.feature-mobile-menu {
  position: relative;
  display: none;
}

.feature-mobile-menu summary {
  display: grid;
  min-width: 48px;
  min-height: 44px;
  place-items: center;
  color: #fff;
  cursor: pointer;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.14em;
  list-style: none;
  text-transform: uppercase;
}

.feature-mobile-menu summary::-webkit-details-marker {
  display: none;
}

.feature-mobile-menu nav {
  position: absolute;
  top: 48px;
  right: 0;
  z-index: 8;
  display: grid;
  min-width: 230px;
  padding: 12px 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(5, 31, 22, 0.97);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

.feature-mobile-menu nav a {
  display: flex;
  min-height: 44px;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
  color: #fff;
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.feature-mobile-menu nav a:last-child {
  border-bottom: 0;
}

.feature-header__cta {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 14px 20px;
  border: 1px solid rgba(255, 255, 255, 0.55);
}

.feature-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  min-height: min(760px, calc(100svh - 102px));
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 115%, rgba(74, 139, 103, 0.35), transparent 40%),
    var(--green-dark);
  color: #fff;
}

.feature-hero__copy {
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(76px, 8vw, 142px) clamp(34px, 7vw, 124px);
  min-width: 0;
}

.feature-kicker {
  margin: 0 0 28px;
  color: var(--gold);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.feature-hero h1,
.feature-section h2,
.feature-cta h2 {
  margin: 0;
  font-size: clamp(45px, 5.3vw, 92px);
  font-weight: 280;
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.feature-hero__copy > p:not(.feature-kicker) {
  max-width: 660px;
  margin: 34px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(17px, 1.35vw, 22px);
  line-height: 1.7;
}

.feature-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

.feature-button,
.feature-text-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
}

.feature-button {
  background: #fff;
  color: var(--green-dark);
}

.feature-button:hover,
.feature-button:focus-visible {
  background: var(--gold);
}

.feature-text-link {
  border: 1px solid rgba(255, 255, 255, 0.46);
  color: #fff;
}

.feature-hero__visual {
  position: relative;
  min-height: 540px;
  overflow: hidden;
  background: #12231b;
  min-width: 0;
}

.feature-hero__visual::after {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, var(--green-dark) 0%, rgba(5, 46, 32, 0.18) 36%, transparent 65%),
    linear-gradient(180deg, transparent 52%, rgba(5, 46, 32, 0.68) 100%);
  content: "";
  pointer-events: none;
}

.feature-hero__visual > img {
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: cover;
}

.feature-hero__product {
  position: absolute;
  right: clamp(20px, 5vw, 82px);
  bottom: clamp(22px, 5vw, 76px);
  z-index: 1;
  display: flex;
  align-items: end;
  gap: 18px;
}

.feature-hero__product img {
  width: clamp(100px, 11vw, 190px);
  max-height: 240px;
  object-fit: contain;
  filter: drop-shadow(0 20px 28px rgba(0, 0, 0, 0.34));
}

.feature-hero__product span {
  max-width: 150px;
  margin-bottom: 12px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 9px;
  font-weight: 650;
  letter-spacing: 0.15em;
  line-height: 1.6;
  text-transform: uppercase;
}

.feature-section {
  padding: clamp(82px, 9vw, 150px) clamp(28px, 7vw, 132px);
}

.feature-section--paper {
  background: var(--paper);
}

.feature-section--green {
  background: var(--green);
  color: #fff;
}

.feature-section__heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.6fr);
  gap: clamp(50px, 9vw, 160px);
  align-items: end;
  margin-bottom: clamp(58px, 7vw, 110px);
}

.feature-section h2 {
  color: var(--green-dark);
  font-size: clamp(38px, 4.3vw, 74px);
}

.feature-section--green h2 {
  color: #fff;
}

.feature-section__heading > p {
  margin: 0;
  color: var(--muted);
  font-size: clamp(16px, 1.2vw, 20px);
  line-height: 1.75;
}

.feature-section--green .feature-section__heading > p {
  color: rgba(255, 255, 255, 0.68);
}

.feature-principles,
.feature-products,
.feature-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-principles article,
.feature-products article,
.feature-facts article {
  min-height: 310px;
  padding: 30px;
  border: 1px solid var(--line);
}

.feature-section--green .feature-principles article,
.feature-section--green .feature-products article,
.feature-section--green .feature-facts article {
  border-color: rgba(255, 255, 255, 0.18);
}

.feature-principles article > span,
.feature-products article > span,
.feature-facts article > span {
  display: block;
  margin-bottom: 72px;
  color: var(--green);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.feature-section--green article > span {
  color: var(--gold);
}

.feature-principles h3,
.feature-products h3,
.feature-facts h3 {
  margin: 0;
  color: var(--green-dark);
  font-size: clamp(22px, 2vw, 34px);
  font-weight: 340;
  letter-spacing: -0.025em;
  line-height: 1.12;
}

.feature-section--green article h3 {
  color: #fff;
}

.feature-principles article p,
.feature-products article p,
.feature-facts article p {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.feature-section--green article p {
  color: rgba(255, 255, 255, 0.66);
}

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

.feature-products article {
  min-height: 470px;
}

.feature-products__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 180px;
  margin: 0 0 44px;
}

.feature-products__visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.feature-products__solar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  width: 190px;
  height: 128px;
  padding: 6px;
  background: #18231f;
  box-shadow: 0 18px 28px rgba(0, 0, 0, 0.14);
  transform: perspective(400px) rotateX(11deg) rotateZ(-4deg);
}

.feature-products__solar i {
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: linear-gradient(145deg, #1d3846, #091923);
}

.feature-warranty {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.75fr);
  gap: clamp(55px, 10vw, 180px);
  align-items: start;
}

.feature-warranty__copy {
  padding-top: 18px;
}

.feature-warranty__copy > p {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 17px;
  line-height: 1.75;
}

.feature-warranty__claim {
  margin-top: 30px !important;
  color: #fff !important;
  font-size: clamp(23px, 2vw, 33px) !important;
  line-height: 1.4 !important;
}

.feature-warranty__copy a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  margin-top: 26px;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--gold);
  color: #fff;
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.feature-warranty__copy small {
  display: block;
  max-width: 650px;
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.45);
  font-size: 11px;
  line-height: 1.65;
}

.feature-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 60px;
  align-items: center;
  padding: clamp(78px, 8vw, 130px) clamp(28px, 7vw, 132px);
  background: var(--paper-bright);
}

.feature-cta h2 {
  max-width: 850px;
  color: var(--green-dark);
  font-size: clamp(38px, 4.2vw, 72px);
}

.feature-cta .feature-button {
  background: var(--green);
  color: #fff;
}

.feature-cta .feature-button:hover,
.feature-cta .feature-button:focus-visible {
  background: var(--green-dark);
}

.check-hero {
  min-height: 430px;
}

.check-hero .feature-hero__copy {
  grid-column: 1 / -1;
  max-width: 1120px;
}

.check-hero .feature-hero__copy > p:not(.feature-kicker) {
  max-width: 830px;
}

.check-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(300px, 0.7fr);
  gap: clamp(50px, 8vw, 140px);
  align-items: start;
}

.check-panel {
  padding: clamp(28px, 4vw, 58px);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 25px 80px rgba(5, 46, 32, 0.06);
}

.check-status {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 36px;
  padding: 17px 19px;
  border-left: 2px solid var(--gold);
  background: #f3efe4;
  color: #4c473c;
  font-size: 13px;
  line-height: 1.55;
}

.check-status strong {
  color: var(--green-dark);
}

.check-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 20px;
}

.check-form-message {
  grid-column: 1 / -1;
  padding: 16px 18px;
  border: 1px solid rgba(5, 46, 32, 0.22);
  background: rgba(5, 46, 32, 0.06);
  color: var(--green-dark);
  font-size: 13px;
  line-height: 1.6;
}

.check-form-message:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
}

.check-form-message[hidden],
.check-field-error[hidden],
.check-honeypot {
  display: none !important;
}

.check-form-message--success {
  border-color: rgba(13, 105, 66, 0.38);
  background: rgba(13, 105, 66, 0.1);
}

.check-form-message--error {
  border-color: rgba(139, 37, 37, 0.45);
  background: rgba(139, 37, 37, 0.08);
  color: #6f1717;
}

.check-form-message--sending {
  border-color: rgba(177, 142, 61, 0.48);
  background: rgba(177, 142, 61, 0.1);
}

.check-field {
  display: grid;
  gap: 10px;
}

.check-field--wide {
  grid-column: 1 / -1;
}

.check-field label,
.check-privacy {
  color: var(--green-dark);
  font-size: 11px;
  font-weight: 680;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.check-field input,
.check-field select,
.check-field textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid rgba(5, 46, 32, 0.32);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 16px;
  outline: none;
}

.check-field [aria-invalid="true"] {
  border-bottom-color: #8b2525;
  box-shadow: 0 1px 0 #8b2525;
}

.check-field-error {
  margin: -4px 0 0;
  color: #7a1c1c;
  font-size: 13px;
  line-height: 1.5;
}

.check-field-error--privacy {
  grid-column: 1 / -1;
  margin-top: -16px;
}

.check-field input,
.check-field select {
  min-height: 48px;
}

.check-field textarea {
  min-height: 120px;
  padding-top: 12px;
  resize: vertical;
}

.check-field input:focus,
.check-field select:focus,
.check-field textarea:focus {
  border-bottom-color: var(--green);
  box-shadow: 0 1px 0 var(--green);
}

.check-field input:focus-visible,
.check-field select:focus-visible,
.check-field textarea:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

.check-privacy {
  grid-column: 1 / -1;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--muted);
  font-size: 13px;
  font-weight: 450;
  letter-spacing: 0;
  line-height: 1.6;
  text-transform: none;
  min-height: 44px;
}

.check-privacy input {
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: var(--green);
}

.check-privacy a {
  color: var(--green-dark);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.check-privacy input[aria-invalid="true"] {
  outline: 2px solid #8b2525;
  outline-offset: 3px;
}

.check-submit {
  grid-column: 1 / -1;
  min-height: 56px;
  border: 0;
  background: var(--green-dark);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, opacity 160ms ease;
}

.check-submit:hover,
.check-submit:focus-visible {
  background: var(--green);
}

.check-submit:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.check-submit:disabled {
  background: #d9d8d3;
  color: #6b6d6a;
  cursor: wait;
}

.check-form-note {
  grid-column: 1 / -1;
  margin: -6px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.check-aside {
  position: sticky;
  top: 40px;
}

.check-aside h2 {
  font-size: clamp(34px, 3.2vw, 54px);
}

.check-aside > p {
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.check-aside__facts {
  display: grid;
  gap: 0;
  margin-top: 38px;
  border-top: 1px solid var(--line);
}

.check-aside__facts div {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.check-aside__facts span {
  display: block;
  margin-bottom: 8px;
  color: var(--green);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.check-aside__facts strong,
.check-aside__facts a {
  color: var(--green-dark);
  font-size: 16px;
  font-weight: 450;
  line-height: 1.5;
}

.check-aside__facts a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
}

.feature-footer .site-footer__brand small {
  display: block;
}

@media (max-width: 1040px) {
  .feature-header {
    grid-template-columns: minmax(0, 1fr) auto auto;
  }

  .feature-nav {
    display: none;
  }

  .feature-mobile-menu {
    display: block;
  }

  .feature-hero {
    grid-template-columns: 1fr;
  }

  .feature-hero__visual {
    min-height: 520px;
  }

  .feature-hero__visual::after {
    background: linear-gradient(180deg, var(--green-dark), transparent 35%, rgba(5, 46, 32, 0.65));
  }

  .feature-section__heading,
  .feature-warranty,
  .check-layout {
    grid-template-columns: 1fr;
  }

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

  .feature-products {
    grid-template-columns: 1fr;
  }

  .feature-products article {
    min-height: 0;
  }

  .check-aside {
    position: static;
  }
}

@media (max-width: 700px) {
  .feature-header {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    min-height: 84px;
    padding-right: 18px;
    padding-left: 18px;
  }

  .feature-header__cta {
    display: none;
  }

  .feature-brand .brand-lockup__mark {
    width: 36px;
    height: 36px;
  }

  .feature-brand .brand-lockup__wordmark {
    width: 84px;
  }

  .feature-hero {
    min-height: 0;
  }

  .feature-hero__copy {
    padding-top: 72px;
    padding-right: 22px;
    padding-bottom: 72px;
    padding-left: 22px;
  }

  .feature-hero h1,
  .feature-section h2,
  .feature-cta h2 {
    font-size: clamp(38px, 11vw, 58px);
    hyphens: auto;
    overflow-wrap: anywhere;
  }

  .feature-hero__visual {
    min-height: 390px;
  }

  .feature-section__heading {
    gap: 30px;
    margin-bottom: 48px;
  }

  .feature-principles,
  .feature-facts,
  .check-form {
    grid-template-columns: 1fr;
  }

  .feature-principles article,
  .feature-facts article {
    min-height: 260px;
  }

  .check-field--wide,
  .check-privacy,
  .check-submit,
  .check-form-note {
    grid-column: auto;
  }

  .feature-cta {
    grid-template-columns: 1fr;
    gap: 35px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .feature-page *,
  .feature-page *::before,
  .feature-page *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}