:root {
  --blue: #0c3458;
  --blue-2: #144a77;
  --blue-soft: #1c5d8d;
  --green: #d2aa45;
  --green-2: #b98d2c;
  --mint: #fff3d5;
  --text: #172235;
  --muted: #6a788b;
  --line: #dfe8f2;
  --bg: #f5f8fb;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(4, 39, 87, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
}

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

a {
  color: inherit;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  min-height: 104px;
  padding: 0 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(4, 39, 87, 0.1);
  box-shadow: 0 12px 35px rgba(4, 39, 87, 0.08);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--blue);
}

.brand img {
  width: 96px;
  height: 88px;
  object-fit: contain;
  object-position: left center;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.site-nav a {
  text-decoration: none;
  color: rgba(4, 39, 87, 0.76);
  font-size: 0.9rem;
  font-weight: 700;
}

.site-nav a:hover {
  color: var(--green-2);
}

.nav-cta {
  padding: 10px 18px;
  border-radius: 8px;
  background: var(--green);
  color: var(--blue) !important;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px auto;
  background: var(--blue);
}

.hero {
  position: relative;
  min-height: 94vh;
  padding: 138px 0 70px;
  overflow: hidden;
  background: var(--blue);
}

.hero-media {
  position: absolute;
  inset: 0;
  background: url("assets/hero-solar.jpg") center / cover no-repeat;
  opacity: 0.36;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(4, 39, 87, 0.96) 0%, rgba(4, 39, 87, 0.88) 48%, rgba(4, 39, 87, 0.48) 100%),
    linear-gradient(180deg, rgba(4, 39, 87, 0.15), rgba(4, 39, 87, 0.78));
}

.hero-content {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  align-items: center;
  gap: 54px;
}

.eyebrow,
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--green);
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.eyebrow span {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--green);
}

.hero h1 {
  max-width: 760px;
  margin: 0 0 20px;
  color: var(--white);
  font-size: clamp(2.4rem, 5vw, 4.9rem);
  line-height: 0.98;
  letter-spacing: 0;
  font-weight: 900;
}

.hero p {
  max-width: 640px;
  margin: 0 0 34px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.08rem;
  line-height: 1.75;
}

.hero-actions,
.cta-layout {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.btn {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 900;
  line-height: 1.1;
}

.btn-primary {
  background: var(--green);
  color: var(--blue);
  box-shadow: 0 14px 34px rgba(210, 170, 69, 0.28);
}

.btn-primary:hover {
  background: var(--green-2);
  transform: translateY(-1px);
}

.btn-secondary {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.07);
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.trust-row span {
  padding: 9px 13px;
  border-radius: 999px;
  border: 1px solid rgba(210, 170, 69, 0.28);
  color: rgba(255, 255, 255, 0.78);
  background: rgba(255, 255, 255, 0.05);
  font-size: 0.84rem;
  font-weight: 700;
}

.savings-panel {
  padding: 28px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(210, 170, 69, 0.24);
  color: var(--white);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.panel-kicker {
  display: block;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.savings-panel strong {
  display: block;
  color: var(--green);
  font-size: clamp(2.4rem, 3.2vw, 3.2rem);
  line-height: 1;
  font-weight: 900;
}

.savings-panel p {
  margin: 14px 0 22px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.94rem;
  line-height: 1.6;
}

.panel-grid {
  display: grid;
  gap: 10px;
}

.panel-grid span {
  display: block;
  padding: 13px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.9rem;
}

.panel-grid b {
  color: var(--green);
  margin-right: 8px;
}

.section {
  padding: 86px 0;
}

.split {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 58px;
  align-items: start;
}

.section-label {
  color: var(--green-2);
}

h2 {
  margin: 0;
  color: var(--blue);
  font-size: clamp(1.85rem, 3vw, 3rem);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: 1.08rem;
}

.section p,
.image-band p {
  color: var(--muted);
  line-height: 1.75;
}

.feature-list,
.benefit-grid,
.steps {
  display: grid;
  gap: 16px;
}

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

.feature-list article,
.benefit-grid article,
.steps article,
.contact-card,
.faq-list details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 16px 45px rgba(4, 39, 87, 0.07);
}

.feature-list article,
.benefit-grid article,
.steps article {
  padding: 24px;
}

.icon {
  width: 42px;
  height: 42px;
  margin-bottom: 20px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--mint);
  color: var(--green-2);
  font-weight: 900;
}

.benefits-section,
.faq-section {
  background: var(--bg);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 36px;
}

.benefit-grid {
  grid-template-columns: repeat(4, 1fr);
}

.image-band {
  position: relative;
  min-height: 460px;
  display: grid;
  align-items: end;
  overflow: hidden;
  background: var(--blue);
}

.image-band img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.46;
}

.image-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(4, 39, 87, 0.9), rgba(4, 39, 87, 0.2));
}

.image-band-content {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 80px 0;
}

.image-band h2 {
  max-width: 680px;
  color: var(--white);
}

.image-band p {
  max-width: 560px;
  color: rgba(255, 255, 255, 0.78);
}

.steps {
  grid-template-columns: repeat(4, 1fr);
  counter-reset: steps;
}

.steps span {
  width: 42px;
  height: 42px;
  margin-bottom: 22px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--blue);
  color: var(--green);
  font-weight: 900;
}

.cta-section {
  background: var(--blue);
  color: var(--white);
}

.cta-layout {
  justify-content: space-between;
}

.cta-section h2 {
  color: var(--white);
}

.cta-section p {
  max-width: 640px;
  color: rgba(255, 255, 255, 0.72);
}

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

.faq-list details {
  padding: 20px 22px;
}

.faq-list summary {
  cursor: pointer;
  color: var(--blue);
  font-weight: 900;
}

.faq-list p {
  margin-bottom: 0;
}

.contact-section {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.94)),
    url("assets/usina-solar.jpg") center / cover;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 40px;
  align-items: center;
}

.contact-card {
  display: grid;
  gap: 12px;
  padding: 28px;
}

.contact-logo {
  width: 210px;
  height: 138px;
  margin-bottom: 4px;
  object-fit: contain;
  object-position: left center;
  border-radius: 8px;
}

.contact-card a {
  color: var(--blue);
  font-weight: 900;
  text-decoration: none;
  word-break: break-word;
}

.contact-card p {
  margin: 0;
}

.site-footer {
  padding: 28px 0;
  background: #031f45;
  color: rgba(255, 255, 255, 0.72);
}

.footer-layout {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
}

.footer-layout p {
  margin: 0;
}

.footer-layout a {
  color: var(--green);
  text-decoration: none;
  font-weight: 800;
}

.whatsapp-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 18;
  width: 58px;
  height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #25d366;
  color: var(--white);
  text-decoration: none;
  box-shadow: 0 16px 45px rgba(37, 211, 102, 0.35);
}

.whatsapp-float svg {
  width: 34px;
  height: 34px;
  display: block;
  fill: currentColor;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.cookie-banner {
  position: fixed;
  left: 20px;
  right: 20px;
  bottom: 18px;
  z-index: 30;
  max-width: 980px;
  margin: 0 auto;
  padding: 18px;
  display: none;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: center;
  border: 1px solid rgba(210, 170, 69, 0.32);
  border-radius: 8px;
  background: rgba(3, 31, 69, 0.98);
  color: var(--white);
  box-shadow: var(--shadow);
}

.cookie-banner.is-visible {
  display: grid;
}

.cookie-banner strong {
  display: block;
  margin-bottom: 4px;
}

.cookie-banner p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.9rem;
  line-height: 1.5;
}

.cookie-banner button {
  min-width: 110px;
  min-height: 44px;
  border: 0;
  border-radius: 8px;
  background: var(--green);
  color: var(--blue);
  font-weight: 900;
  cursor: pointer;
}

@media (max-width: 980px) {
  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 104px;
    left: 0;
    right: 0;
    display: none;
    padding: 18px 5% 24px;
    background: var(--white);
    border-bottom: 1px solid var(--line);
  }

  .site-nav.is-open {
    display: grid;
    gap: 16px;
  }

  .hero-content,
  .split,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .hero-content {
    gap: 34px;
  }

  .savings-panel {
    max-width: 420px;
  }

  .feature-list,
  .benefit-grid,
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, 1120px);
  }

  .site-header {
    min-height: 86px;
    padding: 0 14px;
  }

  .brand img {
    width: 78px;
    height: 74px;
  }

  .site-nav {
    top: 86px;
  }

  .hero {
    min-height: auto;
    padding: 118px 0 50px;
  }

  .hero-overlay {
    background: linear-gradient(180deg, rgba(4, 39, 87, 0.96), rgba(4, 39, 87, 0.78));
  }

  .hero h1 {
    font-size: 2.42rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .btn,
  .hero-actions a,
  .cta-layout a {
    width: 100%;
  }

  .feature-list,
  .benefit-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 62px 0;
  }

  .image-band {
    min-height: 520px;
  }

  .footer-layout,
  .cookie-banner {
    grid-template-columns: 1fr;
  }

  .footer-layout {
    display: grid;
  }

  .whatsapp-float {
    right: 14px;
    bottom: 14px;
    width: 54px;
    height: 54px;
  }
}