/* Vitta Fotovoltaico — identidade: laranja #F08020 + cinza #606060 */
:root {
  --orange: #f08020;
  --orange-deep: #d96a12;
  --orange-soft: #fff4eb;
  --orange-text: #b85206;
  --gray: #606060;
  --gray-dark: #2e2e2e;
  --gray-mid: #6b6b6b;
  --gray-line: #e6e6e6;
  --gray-bg: #f5f5f4;
  --white: #ffffff;
  --wa: #25d366;
  --wa-hover: #1ebe57;
  --max: 72rem;
  --radius: 0.35rem;
  --font-display: "Sora", system-ui, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--gray-dark);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

button {
  font: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.logo img {
  height: 2.75rem;
  width: auto;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.92rem;
  color: var(--gray);
  font-weight: 500;
}

.nav-desktop a:hover {
  color: var(--orange-text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.7rem 1.25rem;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-orange {
  background: var(--orange);
  color: #241100;
}

.btn-orange:hover {
  background: var(--orange-deep);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.45);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn-wa {
  background: var(--wa);
  color: #06281a;
}

.btn-wa:hover {
  background: var(--wa-hover);
}

.btn-outline {
  border: 1px solid var(--gray-line);
  color: var(--gray-dark);
  background: var(--white);
}

.btn-outline:hover {
  border-color: var(--orange);
  color: var(--orange-text);
}

.menu-toggle {
  display: inline-flex;
  width: 2.75rem;
  height: 2.75rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gray-line);
  border-radius: var(--radius);
  color: var(--gray-dark);
}

.mobile-menu {
  display: none;
  border-top: 1px solid var(--gray-line);
  padding: 0.75rem 0 1rem;
}

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

.mobile-menu a {
  display: block;
  padding: 0.75rem 0.25rem;
  color: var(--gray-dark);
  font-weight: 500;
}

.mobile-menu .btn {
  width: 100%;
  margin-top: 0.5rem;
}

@media (min-width: 900px) {
  .nav-desktop {
    display: flex;
  }
  .menu-toggle {
    display: none;
  }
  .btn-header-desktop {
    display: inline-flex !important;
  }
}

.btn-header-desktop {
  display: none;
}

/* Hero — split limpo: copy + sede Vitta */
.hero {
  display: grid;
  background: var(--gray-dark);
  color: var(--white);
  min-height: min(88vh, 40rem);
  overflow: hidden;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 3.5rem 1.5rem 3rem;
  position: relative;
  animation: rise 0.9s ease both;
}

.hero-copy::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--orange);
}

.hero-copy-inner {
  width: min(100%, 34rem);
  margin: 0 auto;
}

.hero-brand {
  height: 3rem;
  width: auto;
  margin-bottom: 1.75rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.8vw, 2.65rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.hero h1 em {
  font-style: normal;
  color: #ffc48a;
}

.hero-lead {
  margin-top: 1rem;
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.86);
  max-width: 30rem;
  line-height: 1.55;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.hero-meta {
  margin-top: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.65);
}

.hero-meta strong {
  display: block;
  color: var(--white);
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
}

.hero-photo {
  position: relative;
  min-height: 18rem;
}

.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.hero-photo-caption {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  background: rgba(46, 46, 46, 0.82);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.78rem;
  padding: 0.45rem 0.7rem;
  letter-spacing: 0.02em;
}

@media (min-width: 900px) {
  .hero {
    grid-template-columns: minmax(20rem, 0.95fr) 1.15fr;
  }

  .hero-copy {
    padding: 4.5rem 3rem 4.5rem 4rem;
  }

  .hero-copy-inner {
    margin: 0;
  }

  .hero-photo {
    min-height: 100%;
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* Sections */
.section {
  padding: 4.5rem 0;
}

.section-muted {
  background: var(--gray-bg);
}

.section-head {
  max-width: 36rem;
  margin-bottom: 2.5rem;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.15rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--gray-dark);
}

.section-head p {
  margin-top: 0.75rem;
  color: var(--gray);
}

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--orange-text);
  margin-bottom: 0.6rem;
}

/* Benefits list — not cards */
.benefits {
  display: grid;
  gap: 1.75rem;
}

@media (min-width: 768px) {
  .benefits {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
  }
}

.benefit h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 650;
  margin-bottom: 0.4rem;
}

.benefit p {
  color: var(--gray);
  font-size: 0.98rem;
}

.benefit-num {
  display: block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--orange-text);
  margin-bottom: 0.5rem;
}

/* Services — photo tiles */
.services-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 700px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-link {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 16.5rem;
  padding: 1.35rem 1.25rem;
  overflow: hidden;
  color: var(--white);
  isolation: isolate;
}

.service-link::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(46, 46, 46, 0.15) 0%, rgba(46, 46, 46, 0.78) 55%, rgba(30, 30, 30, 0.92) 100%);
  z-index: 1;
  transition: background 0.25s;
}

.service-link:hover::before {
  background:
    linear-gradient(180deg, rgba(46, 46, 46, 0.05) 0%, rgba(46, 46, 46, 0.65) 50%, rgba(240, 128, 32, 0.75) 100%);
}

.service-link img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  transition: transform 0.5s ease;
}

.service-link:hover img {
  transform: scale(1.05);
}

.service-link .service-body {
  position: relative;
  z-index: 2;
}

.service-link strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
  color: rgba(255, 255, 255, 0.92);
  letter-spacing: -0.01em;
}

/* Ênfase na palavra-chave do serviço (Residencial, Rural…) */
.service-link .svc-kw {
  font-style: normal;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.01em;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 0.05em;
}

.service-link .service-desc {
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.92rem;
  line-height: 1.45;
}

.service-link .arrow {
  display: inline-block;
  margin-top: 0.85rem;
  color: #ffc48a;
  font-weight: 600;
  font-size: 0.88rem;
}

.service-link.featured {
  min-height: 16.5rem;
}

@media (min-width: 1000px) {
  .service-link.featured {
    grid-column: span 1;
  }
}

/* Proof strip */
.proof-strip {
  display: grid;
  gap: 1.25rem;
  padding: 1.75rem 0;
  border-top: 1px solid var(--gray-line);
  border-bottom: 1px solid var(--gray-line);
  margin-bottom: 2.5rem;
}

@media (min-width: 700px) {
  .proof-strip {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

.proof-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--orange-text);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.proof-item span {
  display: block;
  margin-top: 0.35rem;
  color: var(--gray);
  font-size: 0.95rem;
}

/* Instagram CTA */
.ig-band {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.4rem;
  background: var(--white);
  border: 1px solid var(--gray-line);
}

.ig-band p {
  color: var(--gray);
  max-width: 36rem;
}

.ig-band strong {
  color: var(--gray-dark);
}

/* About split */
.about-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 900px) {
  .about-grid {
    grid-template-columns: 1.05fr 1fr;
    gap: 3.5rem;
  }
}

.about-photo {
  position: relative;
  overflow: hidden;
  min-height: 20rem;
}

.about-photo img {
  width: 100%;
  height: 100%;
  min-height: 22rem;
  object-fit: cover;
}

.about-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.about-copy p {
  color: var(--gray);
  margin-bottom: 1rem;
}

.about-list {
  margin-top: 1.25rem;
  display: grid;
  gap: 0.65rem;
}

.about-list li {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  color: var(--gray-dark);
  font-weight: 500;
}

.about-list li::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  margin-top: 0.45rem;
  border-radius: 50%;
  background: var(--orange);
  flex-shrink: 0;
}

/* Eletropostos band */
.eletro-band {
  position: relative;
  color: var(--white);
  overflow: hidden;
  background: var(--gray-dark);
}

.eletro-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 85% 20%, rgba(240, 128, 32, 0.35), transparent 45%),
    linear-gradient(120deg, #2e2e2e 0%, #3d3d3d 55%, #4a3424 100%);
}

.eletro-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2rem;
  padding: 4.5rem 0;
}

@media (min-width: 900px) {
  .eletro-inner {
    grid-template-columns: 1.3fr 1fr;
    align-items: center;
  }
}

.eletro-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.2vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.eletro-inner p {
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 0.85rem;
}

.eletro-points {
  margin-top: 1.25rem;
  display: grid;
  gap: 0.55rem;
}

.eletro-points li {
  color: rgba(255, 255, 255, 0.9);
  padding-left: 1rem;
  border-left: 2px solid var(--orange);
}

.eletro-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.eletro-aside {
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 1.5rem;
  background: rgba(0, 0, 0, 0.18);
}

.eletro-aside h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 0.75rem;
}

.eletro-aside p {
  font-size: 0.95rem;
}

/* Projects */
.projects {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 700px) {
  .projects {
    grid-template-columns: repeat(3, 1fr);
  }
}

.project figure {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--gray-bg);
}

.project img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project:hover img {
  transform: scale(1.04);
}

.project figcaption {
  margin-top: 0.7rem;
}

.project figcaption strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
}

.project figcaption span {
  color: var(--gray);
  font-size: 0.9rem;
}

/* FAQ */
.faq-list {
  max-width: 46rem;
  display: grid;
  gap: 0.5rem;
}

.faq-item {
  border-bottom: 1px solid var(--gray-line);
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 1.1rem 0;
  font-weight: 600;
  font-family: var(--font-display);
  font-size: 1.02rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

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

.faq-item summary::after {
  content: "+";
  color: var(--orange-text);
  font-size: 1.25rem;
  font-weight: 500;
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-item p {
  padding: 0 0 1.15rem;
  color: var(--gray);
}

/* CTA / Contact */
.cta-block {
  background: var(--orange-soft);
  padding: 3.5rem 0;
}

.cta-inner {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 800px) {
  .cta-inner {
    grid-template-columns: 1.4fr 1fr;
    align-items: center;
  }
}

.cta-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.cta-inner p {
  margin-top: 0.75rem;
  color: var(--gray);
}

.contact-facts {
  display: grid;
  gap: 0.85rem;
  font-size: 0.95rem;
}

.contact-facts a {
  color: var(--orange-text);
  font-weight: 600;
}

.contact-facts strong {
  display: block;
  color: var(--gray-dark);
  margin-bottom: 0.15rem;
}

/* Footer */
.site-footer {
  background: var(--gray-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 3rem 0 2rem;
  font-size: 0.92rem;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 2rem;
}

@media (min-width: 800px) {
  .footer-grid {
    grid-template-columns: 1.3fr 1fr 1fr;
  }
}

.site-footer .logo img {
  height: 2.5rem;
  margin-bottom: 0.85rem;
}

.site-footer h3 {
  font-family: var(--font-display);
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.site-footer a:hover {
  color: #ffc48a;
}

.footer-links {
  display: grid;
  gap: 0.4rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
  font-size: 0.85rem;
}

/* WhatsApp float */
.wa-float {
  position: fixed;
  right: 1.15rem;
  bottom: 1.15rem;
  z-index: 50;
  width: 3.6rem;
  height: 3.6rem;
  border-radius: 50%;
  background: var(--wa);
  color: var(--white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
  transition: transform 0.2s, background 0.2s;
}

.wa-float:hover {
  transform: scale(1.06);
  background: var(--wa-hover);
}

.wa-float svg {
  width: 1.7rem;
  height: 1.7rem;
}

/* Inner page hero */
.page-hero {
  position: relative;
  background: var(--gray-dark);
  color: var(--white);
  padding: 5rem 0 3.5rem;
  overflow: hidden;
  min-height: 22rem;
  display: flex;
  align-items: flex-end;
}

.page-hero-media {
  position: absolute;
  inset: 0;
}

.page-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(30, 30, 30, 0.9) 0%, rgba(46, 46, 46, 0.72) 55%, rgba(240, 128, 32, 0.35) 100%);
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  max-width: 18ch;
}

.page-hero p {
  margin-top: 1rem;
  max-width: 36rem;
  color: rgba(255, 255, 255, 0.88);
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .hero-content,
  .project img {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* Páginas de serviço — conteúdo expandido */
.process-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 800px) {
  .process-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem 2rem;
  }
}

@media (min-width: 1100px) {
  .process-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.process-step strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.4rem;
  color: var(--gray-dark);
}

.process-step p {
  color: var(--gray);
  font-size: 0.95rem;
  line-height: 1.55;
  margin: 0;
}

.page-authority {
  margin-top: 1.75rem;
  max-width: 46rem;
  color: var(--gray);
  line-height: 1.65;
}

.page-split-list {
  max-width: 40rem;
}

.related-services {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 700px) {
  .related-services {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
  }
}

.related-services a {
  display: block;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(46, 46, 46, 0.12);
  color: var(--gray-dark);
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.related-services a:hover {
  border-color: var(--orange);
  color: var(--orange-text);
  background: var(--orange-soft);
}

.about-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  margin: 1.5rem 0 0.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Teclado / acessibilidade */
:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--orange-text);
  outline-offset: 3px;
}

a.btn:focus-visible,
button:focus-visible,
.menu-toggle:focus-visible,
.wa-float:focus-visible,
.service-link:focus-visible,
.faq-item summary:focus-visible {
  outline: 2px solid var(--orange-text);
  outline-offset: 3px;
}

.wa-float:focus-visible {
  outline-offset: 4px;
}

/* Partners / social proof */
.partners-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem 1rem;
  margin: 0;
  padding: 0;
  align-items: center;
}

@media (min-width: 700px) {
  .partners-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.1rem 1.35rem;
  }
}

@media (min-width: 1000px) {
  .partners-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.25rem 1.5rem;
  }
}

.partners-grid li {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 5.5rem;
  padding: 0.85rem 1rem;
  background: var(--gray-bg);
  border: 1px solid var(--gray-line);
  border-radius: var(--radius);
}

.partners-grid img {
  max-width: 100%;
  max-height: 3.6rem;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(1) contrast(1.08);
  opacity: 0.82;
  transition: filter 0.25s ease, opacity 0.25s ease;
}

.partners-grid li:hover img {
  filter: none;
  opacity: 1;
}

.partners-note {
  margin-top: 1.35rem;
  text-align: center;
  color: var(--gray);
  font-size: 0.9rem;
}