:root {
  color-scheme: light;
  --ink: #18231f;
  --muted: #5c6c66;
  --line: #dbe5df;
  --paper: #f7faf7;
  --white: #ffffff;
  --sun: #f8bd31;
  --leaf: #237b55;
  --deep: #0f3d36;
  --aqua: #d9f1ec;
  --sky: #e8f5ff;
  --shadow: 0 18px 44px rgba(21, 54, 46, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  min-height: 76px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(247, 250, 247, 0.9);
  border-bottom: 1px solid rgba(219, 229, 223, 0.78);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 224px;
}

.brand-logo {
  width: clamp(190px, 16vw, 238px);
  height: 52px;
  object-fit: contain;
  object-position: left center;
  mix-blend-mode: multiply;
}

.main-nav {
  justify-self: center;
  display: flex;
  gap: clamp(14px, 2vw, 28px);
  color: #31483f;
  font-size: 0.94rem;
  font-weight: 600;
}

.main-nav a {
  padding: 8px 0;
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
  white-space: nowrap;
}

.header-cta {
  background: var(--deep);
  color: var(--white);
}

.button.primary {
  background: var(--sun);
  color: #1c261d;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.13);
  border-color: rgba(255, 255, 255, 0.45);
  color: var(--white);
}

.button.outline {
  background: var(--white);
  border-color: var(--line);
  color: var(--deep);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
}

.menu-button span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: 96vh;
  display: grid;
  align-items: center;
  padding: 120px clamp(18px, 5vw, 72px) 54px;
  overflow: hidden;
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: center;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(14, 41, 35, 0.94) 0%, rgba(14, 41, 35, 0.76) 38%, rgba(14, 41, 35, 0.18) 74%),
    linear-gradient(0deg, rgba(14, 41, 35, 0.72) 0%, transparent 35%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  color: var(--white);
}

.eyebrow,
.section-kicker {
  margin: 0 0 13px;
  color: var(--leaf);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: var(--sun);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 720px;
  margin-bottom: 22px;
  font-size: clamp(2.55rem, 5vw, 5.5rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 3.2vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.22rem;
  line-height: 1.2;
}

.hero-copy {
  max-width: 600px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(1rem, 1.55vw, 1.28rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 48px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  max-width: 690px;
  margin: 0;
}

.hero-metrics div {
  min-height: 96px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(14px);
}

.hero-metrics dt {
  margin-bottom: 4px;
  font-size: clamp(1.18rem, 2.1vw, 1.7rem);
  font-weight: 800;
}

.hero-metrics dd {
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
}

.trust-strip span {
  display: grid;
  place-items: center;
  min-height: 78px;
  padding: 16px 18px;
  background: var(--white);
  color: #304a41;
  font-weight: 700;
  text-align: center;
}

.offer-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px clamp(18px, 5vw, 72px);
  background: var(--sun);
  color: #17211c;
}

.offer-strip strong,
.offer-strip span {
  display: block;
}

.offer-strip strong {
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  line-height: 1.25;
}

.offer-strip span {
  color: rgba(23, 33, 28, 0.76);
  font-weight: 700;
}

.offer-strip .button.primary {
  background: var(--deep);
  color: var(--white);
}

.section,
.band,
.contact {
  padding: clamp(72px, 10vw, 128px) clamp(18px, 5vw, 72px);
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(340px, 0.8fr);
  gap: clamp(30px, 6vw, 86px);
  align-items: start;
}

.intro-copy p {
  color: var(--muted);
  font-size: 1.1rem;
}

.intro-media {
  margin: 0;
}

.intro-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.intro-media figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.cred-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.cred-grid div {
  min-height: 132px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.cred-grid strong,
.cred-grid span {
  display: block;
}

.cred-grid strong {
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.cred-grid span {
  color: var(--muted);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 36px;
}

.section-heading p:last-child {
  color: var(--muted);
  font-size: 1.08rem;
}

.area-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}

.area-grid span {
  display: grid;
  place-items: center;
  min-height: 86px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--deep);
  font-weight: 800;
  text-align: center;
  box-shadow: var(--shadow);
}

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

.solution-card,
.proof-card,
.rebate-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.solution-card {
  display: flex;
  flex-direction: column;
  min-height: 330px;
  padding: 26px;
}

.solution-card p,
.proof-card p,
.rebate-band p {
  color: var(--muted);
}

.solution-card a {
  margin-top: auto;
  color: var(--leaf);
  font-weight: 800;
}

.icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 22px;
  border-radius: 8px;
  background: var(--aqua);
  color: var(--deep);
  font-size: 1.2rem;
  font-weight: 800;
}

.band {
  background: var(--deep);
  color: var(--white);
}

.products .section-kicker,
.rebate-band .section-kicker {
  color: var(--sun);
}

.package-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 34px;
}

.package-card {
  display: flex;
  flex-direction: column;
  min-height: 420px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.package-card.featured {
  background: var(--white);
  color: var(--ink);
}

.package-card span {
  margin-bottom: 14px;
  color: var(--sun);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}

.package-card.featured span,
.package-card.featured a {
  color: var(--leaf);
}

.package-card h3 {
  font-size: clamp(1.55rem, 2.3vw, 2.1rem);
}

.package-card p,
.package-card li {
  color: rgba(255, 255, 255, 0.76);
}

.package-card.featured p,
.package-card.featured li {
  color: var(--muted);
}

.package-card ul {
  margin: 8px 0 22px;
  padding-left: 20px;
}

.package-card a {
  margin-top: auto;
  color: var(--sun);
  font-weight: 800;
}

.product-table {
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  overflow: hidden;
}

.product-table [role="row"] {
  display: grid;
  grid-template-columns: 0.65fr 1.1fr 1fr;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.product-table [role="row"]:last-child {
  border-bottom: 0;
}

.product-table span {
  min-height: 72px;
  padding: 20px;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.8);
}

.product-table span:last-child {
  border-right: 0;
}

.table-head span {
  min-height: 54px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  font-weight: 800;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: steps;
}

.timeline li {
  counter-increment: steps;
  min-height: 240px;
  padding: 22px;
  border-top: 4px solid var(--sun);
  background: var(--white);
  border-radius: 8px;
}

.timeline li::before {
  content: counter(steps, decimal-leading-zero);
  display: block;
  margin-bottom: 24px;
  color: var(--leaf);
  font-size: 0.88rem;
  font-weight: 800;
}

.timeline strong,
.timeline span {
  display: block;
}

.timeline span {
  margin-top: 10px;
  color: var(--muted);
}

.rebate-band {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 420px);
  gap: clamp(32px, 6vw, 84px);
  align-items: center;
}

.rebate-panel {
  padding: 28px;
  color: var(--ink);
}

.rebate-panel strong {
  display: block;
  margin-bottom: 14px;
  font-size: 1.2rem;
}

.rebate-panel ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.rebate-panel li + li {
  margin-top: 10px;
}

.faq {
  background: var(--white);
}

.faq-list {
  display: grid;
  gap: 12px;
  max-width: 980px;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  overflow: hidden;
}

.faq-list summary {
  cursor: pointer;
  padding: 20px 24px;
  color: var(--deep);
  font-weight: 800;
}

.faq-list p {
  margin: 0;
  padding: 0 24px 22px;
  color: var(--muted);
}

.battery-brands {
  background: var(--white);
}

.brand-row {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 12px;
}

.brand-row span {
  display: grid;
  place-items: center;
  min-height: 86px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--deep);
  font-weight: 800;
  text-align: center;
}

.finance {
  background: var(--sky);
}

.finance-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.finance-card {
  min-height: 250px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.finance-card.highlight {
  background: var(--deep);
  color: var(--white);
}

.finance-card span {
  display: block;
  margin-bottom: 16px;
  color: var(--leaf);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.finance-card.highlight span {
  color: var(--sun);
}

.finance-card p {
  color: var(--muted);
}

.finance-card.highlight p {
  color: rgba(255, 255, 255, 0.78);
}

.finance-note {
  max-width: 840px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 700;
}

.savings {
  background: var(--paper);
}

.savings-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.savings-steps article {
  min-height: 230px;
  padding: 24px;
  border-radius: 8px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.savings-steps span {
  display: block;
  margin-bottom: 20px;
  color: var(--leaf);
  font-weight: 800;
}

.savings-steps strong {
  display: block;
  margin-bottom: 10px;
  font-size: 1.3rem;
}

.savings-steps p {
  color: var(--muted);
}

.assessment {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 520px);
  gap: clamp(30px, 6vw, 86px);
  align-items: center;
  background: var(--white);
}

.assessment-copy p {
  max-width: 620px;
  color: var(--muted);
  font-size: 1.1rem;
}

.assessment-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.assessment-poster {
  margin: 0;
}

.assessment-poster img {
  width: 100%;
  max-height: 760px;
  border-radius: 8px;
  object-fit: contain;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.proof-card {
  padding: 28px;
}

.proof-card span {
  display: block;
  margin-bottom: 16px;
  color: var(--leaf);
  font-weight: 800;
}

.proof-card strong {
  display: block;
  margin-bottom: 10px;
  font-size: 1.35rem;
  line-height: 1.25;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 580px);
  gap: clamp(32px, 6vw, 88px);
  align-items: start;
  background: var(--sky);
}

.contact-copy p {
  color: var(--muted);
}

.contact-methods {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.contact-methods a {
  padding: 12px 14px;
  border-radius: 6px;
  background: var(--white);
  color: var(--deep);
  font-weight: 800;
}

.quote-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 28px;
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

label,
input,
select,
textarea {
  display: block;
  width: 100%;
}

label {
  color: #334941;
  font-size: 0.9rem;
  font-weight: 800;
}

input,
select,
textarea {
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fbfdfc;
  color: var(--ink);
  font: inherit;
}

input,
select {
  height: 48px;
  padding: 0 13px;
}

textarea {
  resize: vertical;
  min-height: 116px;
  padding: 13px;
}

.full {
  grid-column: 1 / -1;
}

.form-note {
  grid-column: 1 / -1;
  min-height: 24px;
  margin: 0;
  color: var(--leaf);
  font-weight: 700;
}

.site-footer {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 0.9fr;
  gap: 28px;
  padding: 44px clamp(18px, 5vw, 72px);
  background: #0d211d;
  color: rgba(255, 255, 255, 0.72);
}

.site-footer img {
  width: 190px;
  max-width: 100%;
  margin-bottom: 18px;
  border-radius: 4px;
  background: var(--white);
}

.site-footer strong,
.site-footer a,
.site-footer span {
  display: block;
}

.site-footer strong {
  margin-bottom: 12px;
  color: var(--white);
}

.site-footer a {
  margin-bottom: 8px;
  color: var(--white);
  font-weight: 800;
}

.site-footer p {
  max-width: 420px;
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
}

@media (max-width: 1100px) {
  .site-header {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .main-nav,
  .header-cta {
    display: none;
  }

  .menu-button {
    display: block;
  }

  .main-nav.is-open {
    position: absolute;
    top: 75px;
    left: 18px;
    right: 18px;
    display: grid;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .main-nav.is-open a {
    padding: 14px;
  }

  .solution-grid,
  .area-grid,
  .package-grid,
  .finance-grid,
  .savings-steps,
  .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .trust-strip,
  .cred-grid,
  .brand-row,
  .site-footer,
  .proof {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .site-header {
    min-height: 68px;
    padding: 12px 16px;
  }

  .brand {
    min-width: 196px;
  }

  .brand-logo {
    width: 198px;
    height: 50px;
  }

  .hero {
    min-height: 100vh;
    padding: 104px 18px 32px;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(14, 41, 35, 0.92) 0%, rgba(14, 41, 35, 0.72) 100%),
      linear-gradient(0deg, rgba(14, 41, 35, 0.78) 0%, transparent 45%);
  }

  .hero-actions,
  .offer-strip,
  .assessment-actions,
  .contact-methods,
  .site-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .button,
  .header-cta {
    width: 100%;
  }

  .hero-metrics,
  .intro,
  .solution-grid,
  .cred-grid,
  .area-grid,
  .package-grid,
  .finance-grid,
  .savings-steps,
  .product-table [role="row"],
  .timeline,
  .rebate-band,
  .brand-row,
  .assessment,
  .proof,
  .contact,
  .quote-form,
  .site-footer,
  .trust-strip {
    grid-template-columns: 1fr;
  }

  .hero-metrics div {
    min-height: 84px;
  }

  .section,
  .band,
  .contact {
    padding: 64px 18px;
  }

  .solution-card,
  .timeline li {
    min-height: auto;
  }

  .product-table span {
    border-right: 0;
    min-height: auto;
  }

  .product-table .table-head {
    display: none;
  }

  .product-table [role="row"] {
    padding: 12px 0;
  }

  .quote-form {
    padding: 20px;
  }

  .assessment-actions {
    flex-direction: column;
  }
}