:root {
  --bg: #050b12;
  --surface: #09131e;
  --surface-2: #0d1a28;
  --blue: #0787f7;
  --blue-light: #3da8ff;
  --yellow: #ffbf00;
  --text: #f5f7fa;
  --muted: #9aa8b8;
  --line: rgba(75, 172, 255, 0.18);
  --green: #25d366;
  --container: 1180px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  font-family: Manrope, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

button {
  font: inherit;
}

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

/* Header */
.site-header {
  height: 82px;
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  background: rgba(5, 11, 18, 0.82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: 0.3s;
}

.site-header.scrolled {
  height: 72px;
  border-color: var(--line);
  background: rgba(5, 11, 18, 0.96);
}

.nav-wrap {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-mark {
  width: 46px;
  height: 46px;
  display: block;
}

.brand-mark svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.brand-mark rect {
  fill: none;
  stroke: #fff;
  stroke-width: 3;
}

.brand-mark path:not(.nodes) {
  fill: var(--yellow);
}

.brand-mark .nodes {
  fill: none;
  stroke: var(--blue);
  stroke-width: 2;
}

.brand-copy {
  display: grid;
  line-height: 1;
}

.brand-copy strong {
  font-family: Rajdhani, sans-serif;
  font-size: 22px;
  letter-spacing: 0.025em;
}

.brand-copy small {
  color: var(--blue-light);
  font-size: 9px;
  letter-spacing: 0.24em;
  margin-top: 6px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-left: auto;
}

.main-nav a {
  font-size: 13px;
  font-weight: 600;
  color: #c8d0d9;
  transition: 0.2s;
}

.main-nav a:hover {
  color: var(--blue-light);
}

.menu-toggle {
  display: none;
  background: none;
  border: 0;
  width: 42px;
  padding: 8px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 2px;
  background: #fff;
  margin: 6px 0;
  transition: 0.2s;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, #0787f7, #0069cb);
  color: #fff;
  padding: 15px 24px;
  border: 0;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 800;
  box-shadow: 0 10px 30px rgba(0, 125, 244, 0.24);
  transition: 0.25s;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 35px rgba(0, 125, 244, 0.35);
}

.btn svg {
  width: 20px;
  fill: currentColor;
}

.btn-small {
  padding: 11px 17px;
  font-size: 12px;
}

.text-link {
  font-size: 13px;
  font-weight: 700;
  color: #dce4ec;
}

.text-link span {
  display: inline-flex;
  margin-left: 9px;
  color: var(--blue-light);
  font-size: 18px;
}

/* Hero */
.hero {
  position: relative;
  min-height: 830px;
  display: flex;
  align-items: center;
  background-image:
    linear-gradient(
      90deg,
      rgba(5, 11, 18, 0.98) 0%,
      rgba(5, 11, 18, 0.72) 35%,
      rgba(5, 11, 18, 0.05) 72%
    ),
    linear-gradient(0deg, var(--bg) 0%, transparent 24%),
    url("../images/eletric-enginner.png");
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(20, 138, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 138, 255, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(90deg, #000, transparent 68%);
}

.hero-content {
  position: relative;
  padding-top: 95px;
}

.eyebrow,
.kicker {
  text-transform: uppercase;
  color: var(--blue-light);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.17em;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}

.eyebrow span {
  width: 34px;
  height: 2px;
  background: var(--yellow);
}

h1,
h2 {
  font-family: Rajdhani, sans-serif;
  line-height: 0.98;
  text-transform: uppercase;
}

h1 {
  max-width: 760px;
  font-size: clamp(50px, 6.5vw, 88px);
  letter-spacing: -0.025em;
}

h1 em,
h2 em {
  color: var(--blue-light);
  font-style: normal;
}

.hero-content > p {
  max-width: 590px;
  color: #bdc7d2;
  font-size: 17px;
  margin: 27px 0 32px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 28px;
}

.hero-trust {
  display: flex;
  gap: 0;
  margin-top: 70px;
  border-top: 1px solid var(--line);
  width: 650px;
  max-width: 100%;
}

.hero-trust div {
  display: flex;
  flex-direction: column;
  padding: 21px 35px 0 0;
  margin-right: 35px;
  border-right: 1px solid var(--line);
}

.hero-trust div:last-child {
  border: 0;
}

.hero-trust strong {
  font: 700 27px Rajdhani;
  color: #fff;
}

.hero-trust span {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Trust strip */
.trust-strip {
  background: #07111c;
  border-block: 1px solid var(--line);
}

.trust-items {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.trust-items span {
  font-size: 12px;
  color: #c5cfda;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.trust-items i {
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  margin-right: 8px;
  border: 1px solid var(--blue);
  border-radius: 50%;
  color: var(--blue);
  font-style: normal;
}

/* Generic sections */
.section {
  padding: 115px 0;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 50px;
  margin-bottom: 52px;
}

.section-heading h2,
.difference h2,
.cta-box h2 {
  font-size: clamp(38px, 5vw, 58px);
  margin-top: 12px;
}

.section-heading > p {
  max-width: 430px;
  color: var(--muted);
  font-size: 14px;
}

.section-heading-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
}

.section-heading-col > p {
  margin-top: 0;
}

/* Services */
.services {
  background:
    radial-gradient(circle at 80% 20%, rgba(0, 123, 244, 0.08), transparent 35%),
    var(--bg);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-left: 1px solid var(--line);
  border-top: 1px solid var(--line);
}

.service-card {
  position: relative;
  min-height: 390px;
  padding: 36px 32px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(10, 22, 34, 0.45);
  transition: 0.3s;
  overflow: hidden;
}

.service-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: 0.3s;
}

.service-card:hover {
  background: #0c1b29;
  transform: translateY(-5px);
}

.service-card:hover::after {
  transform: scaleX(1);
}

.service-number {
  position: absolute;
  right: 24px;
  top: 22px;
  color: rgba(255, 255, 255, 0.08);
  font: 700 38px Rajdhani;
}

.service-icon {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border: 1px solid rgba(28, 156, 255, 0.5);
  border-radius: 10px;
  color: var(--blue-light);
  font-size: 28px;
  margin-bottom: 27px;
  box-shadow: inset 0 0 24px rgba(0, 129, 255, 0.08);
}

.service-card h3 {
  font: 700 25px Rajdhani;
  text-transform: uppercase;
}

.service-card > p {
  color: var(--muted);
  font-size: 13px;
  min-height: 70px;
  margin: 10px 0 18px;
}

.service-card ul {
  list-style: none;
}

.service-card li {
  font-size: 12px;
  color: #b8c3ce;
  margin: 7px 0;
}

.service-card li::before {
  content: "-";
  color: var(--blue);
  margin-right: 8px;
}

.service-link {
  display: inline-block;
  margin-top: 18px;
  color: var(--blue-light);
  font: 700 13px Rajdhani;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
}

.service-link span {
  display: inline-block;
  transition: transform 0.25s ease;
}

.service-card:hover .service-link span {
  transform: translateX(4px);
}

.service-hero {
  min-height: 64vh;
}

.service-hero .hero-content {
  padding-top: 120px;
  padding-bottom: 80px;
}

/* Difference */
.difference {
  background:
    radial-gradient(circle at 78% 62%, rgba(8, 83, 145, 0.09), transparent 34%),
    #07101a;
}

.difference-grids {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 42px 54px;
  align-items: start;
}

.visual-panel {
  min-height: 378px;
  position: relative;
  background:
    linear-gradient(90deg, rgba(3, 11, 18, 0.18), transparent 55%),
    var(--professional-image) center / cover;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% 92%, 90% 100%, 0 100%);
  overflow: hidden;
}

.professional-card-jean {
  --professional-image: url("../images/hero-electric-engineer.png");
}

.professional-card-rafael {
  --professional-image: url("../images/eletric.png");
}

.visual-panel::before {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(0, 139, 255, 0.2);
  clip-path: inherit;
}

.visual-badge {
  position: absolute;
  left: 30px;
  bottom: 32px;
  min-width: 220px;
  padding: 15px 20px;
  border-left: 3px solid var(--yellow);
  background: rgba(3, 9, 15, 0.91);
  display: flex;
  flex-direction: column;
  text-transform: uppercase;
}

.visual-badge strong {
  font: 700 21px Rajdhani;
  line-height: 1.1;
}

.visual-badge span {
  color: var(--blue-light);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.difference-copy > p {
  color: var(--muted);
  font-size: 14px;
  max-width: 570px;
  margin: 23px 0 30px;
}

.difference-copy h2 {
  max-width: 520px;
  font-size: clamp(42px, 4.2vw, 60px);
  line-height: 0.98;
  text-transform: uppercase;
}

.difference-copy h2 em {
  color: var(--blue-light);
}

.feature-list > div {
  display: flex;
  gap: 20px;
  padding: 19px 0;
  border-top: 1px solid var(--line);
}

.feature-list > div > span {
  font: 700 15px Rajdhani;
  color: var(--blue-light);
  padding-top: 2px;
}

.feature-list h3 {
  font: 700 18px Rajdhani;
  text-transform: uppercase;
}

.feature-list p {
  font-size: 12px;
  color: var(--muted);
  margin-top: 3px;
}

.feature-list section {
  display: block;
}

.difference-services > .kicker {
  display: block;
  margin-bottom: 18px;
}

.difference-service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.difference-service-card,
.difference-contact {
  position: relative;
  border: 1px solid rgba(107, 161, 205, 0.2);
  background: linear-gradient(145deg, rgba(12, 27, 41, 0.68), rgba(5, 13, 21, 0.62));
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}

.difference-service-card {
  min-height: 208px;
  padding: 25px 25px 21px;
}

.difference-service-icon {
  width: 46px;
  height: 46px;
  margin-bottom: 19px;
  fill: none;
  stroke: var(--blue-light);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 8px rgba(7, 135, 247, 0.24));
}

.difference-service-card h3,
.difference-contact h3 {
  font: 700 19px Rajdhani, sans-serif;
  line-height: 1.1;
  text-transform: uppercase;
}

.difference-service-card p,
.difference-contact p {
  color: #aab8c7;
  font-size: 12px;
  line-height: 1.7;
}

.difference-service-card p {
  margin-top: 12px;
}

.difference-contact {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px;
  margin-top: 28px;
  padding: 28px 27px;
}

.difference-contact-icon {
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  border: 1px solid rgba(61, 168, 255, 0.52);
  border-radius: 50%;
  background: linear-gradient(145deg, rgba(7, 135, 247, 0.12), rgba(255, 255, 255, 0.18));
}

.difference-contact-icon svg {
  width: 34px;
  fill: #fff;
}

.difference-contact h3 {
  font-size: 25px;
}

.difference-contact p {
  max-width: 220px;
  margin-top: 5px;
}

.difference-contact a {
  min-width: 178px;
  padding: 13px 18px;
  border: 1px solid var(--yellow);
  color: var(--yellow);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-align: center;
  text-transform: uppercase;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
  transition: 0.2s;
}

.difference-contact a:hover {
  background: var(--yellow);
  color: #07101a;
}

/* Projects */
.projects {
  background: radial-gradient(circle at 15% 80%, rgba(0, 122, 244, 0.08), transparent 30%);
}

.partners-title {
  text-align: center;
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  color: #fff;
  margin-bottom: 24px;
}

.partners-carousel {
  position: relative;
  margin-bottom: 78px;
  overflow: hidden;
  isolation: isolate;
}

.partners-carousel::before,
.partners-carousel::after {
  content: "";
  position: absolute;
  z-index: 2;
  inset-block: 0;
  width: clamp(28px, 6vw, 90px);
  pointer-events: none;
}

.partners-carousel::before {
  left: 0;
  background: linear-gradient(90deg, #050b12, transparent);
}

.partners-carousel::after {
  right: 0;
  background: linear-gradient(-90deg, #050b12, transparent);
}

.partners-carousel-track,
.partners-carousel-set {
  display: flex;
  width: max-content;
}

.partners-carousel-line {
  overflow: hidden;
  padding: 7px 0;
}

.partners-carousel-line + .partners-carousel-line {
  margin-top: 14px;
}

.partners-carousel-track {
  will-change: transform;
}

.partners-carousel-track.is-ready {
  animation: partners-marquee 46s linear infinite;
}

.partners-carousel-set {
  flex-shrink: 0;
  gap: 18px;
  padding-right: 18px;
}

.partner-card {
  width: 230px;
  height: 138px;
  flex: none;
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 8px;
  padding: 14px 17px 11px;
  overflow: hidden;
  border: 1px solid rgba(61, 168, 255, 0.3);
  border-radius: 10px;
  background: #f8f9fa;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.3);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.partner-card:hover {
  transform: translateY(-3px);
  border-color: var(--blue-light);
}

.partner-card svg {
  display: block;
  width: 100%;
  height: 82px;
  overflow: hidden;
}

.partner-card image {
  pointer-events: none;
  user-select: none;
}

.partner-card figcaption {
  overflow: hidden;
  padding-top: 7px;
  border-top: 1px solid #dce2e7;
  color: #17212a;
  font-size: 10px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 0.06em;
  text-align: center;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.partners-carousel:hover .partners-carousel-track,
.partners-carousel:focus-within .partners-carousel-track {
  animation-play-state: paused;
}

@keyframes partners-marquee {
  to {
    transform: translate3d(-50%, 0, 0);
  }
}

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

.project-card {
  min-height: 430px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background-size: cover;
  background-position: center;
}

.project-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(4, 10, 17, 0.98), rgba(4, 10, 17, 0.05) 75%);
  transition: 0.4s;
}

.project-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 60%, rgba(0, 132, 255, 0.14));
  opacity: 0;
  transition: 0.4s;
}

.project-card:hover::before {
  background: linear-gradient(0deg, rgba(4, 10, 17, 0.98), rgba(4, 10, 17, 0.12) 85%);
}

.project-card:hover::after {
  opacity: 1;
}

.project-card > div {
  position: absolute;
  z-index: 2;
  bottom: 0;
  padding: 28px;
}

.project-card span {
  font-size: 11px;
  color: var(--blue-light);
  letter-spacing: 0.15em;
}

.project-card h3 {
  font: 700 25px Rajdhani;
  text-transform: uppercase;
  margin: 4px 0;
}

.project-card p {
  font-size: 12px;
  color: #aab6c3;
}
/*  Areas de atuação */
.project-industrial {
  background-image: url("../images/card-project.png");
  background-position: 58% center;
}

.project-building {
  background-image:
    linear-gradient(rgba(0, 25, 49, 0.15), rgba(0, 15, 30, 0.3)),
    url("../images/quadro-secundario.png");
  background-position: 85% center;
}

.project-panel {
  background-image: url("../images/quadro-terceiro.png");
  background-position: 48% center;
}

/* Presentation gallery */
.presentation-showcase {
  display: grid;
  grid-template-columns: 0.55fr 1.45fr;
  align-items: center;
  gap: 55px;
  margin-top: 80px;
  padding: 60px;
  background: linear-gradient(135deg, rgba(10, 29, 46, 0.96), rgba(4, 11, 18, 0.98));
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}

.presentation-showcase::before {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  left: -180px;
  bottom: -220px;
  background: var(--blue);
  filter: blur(130px);
  opacity: 0.13;
  pointer-events: none;
}

.presentation-copy {
  position: relative;
  z-index: 1;
}

.presentation-copy h2 {
  font-size: clamp(38px, 4.5vw, 56px);
  margin: 12px 0 22px;
}

.presentation-copy p {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 28px;
}

.presentation-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}

.presentation-image {
  display: block;
  position: relative;
  border: 1px solid rgba(44, 156, 255, 0.45);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.48);
  overflow: hidden;
}

.presentation-image::after {
  content: "Ampliar ->";
  position: absolute;
  right: 14px;
  bottom: 14px;
  padding: 8px 12px;
  background: rgba(3, 10, 17, 0.88);
  border: 1px solid var(--line);
  color: #fff;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.presentation-image img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform 0.45s ease;
}

.presentation-image:hover img {
  transform: scale(1.015);
}

/* Call to action */
.faq {
  padding: 80px 0;
}

.faq-list {
  display: grid;
  gap: 14px;
  margin-top: 40px;
}

.faq-item {
  background: #0b1520;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px 24px;
  transition: border-color 0.3s ease;
}

.faq-item:hover {
  border-color: rgba(27, 151, 255, 0.5);
}

.faq-item summary {
  cursor: pointer;
  font: 700 16px Rajdhani;
  color: #fff;
  letter-spacing: 0.02em;
  list-style: none;
  position: relative;
  padding-right: 30px;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--blue-light);
  font-size: 22px;
  line-height: 1;
  transition: transform 0.3s ease;
}

.faq-item[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

.faq-item p {
  color: #aeb9c4;
  font-size: 14px;
  line-height: 1.6;
  margin-top: 12px;
}

.seo-local {
  margin-top: 40px;
  padding: 22px 26px;
  background: #0b1520;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: #aeb9c4;
  font-size: 14px;
  line-height: 1.7;
}

.seo-local strong {
  color: #fff;
}

.cta-section {
  padding: 30px 0 110px;
}

.cta-box {
  position: relative;
  padding: 62px 65px;
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 60px;
  align-items: center;
  background: linear-gradient(120deg, #0b2135, #07111b);
  border: 1px solid rgba(27, 151, 255, 0.35);
  overflow: hidden;
}

.cta-box::after {
  content: "";
  position: absolute;
  right: 43%;
  top: -50px;
  font-size: 220px;
  color: rgba(0, 130, 255, 0.04);
  transform: rotate(10deg);
}

.cta-contact {
  position: relative;
  z-index: 1;
}

.cta-contact p {
  color: #aeb9c4;
  font-size: 13px;
  margin-bottom: 20px;
}

.cta-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.cta-contact .btn {
  width: 100%;
}

.cta-actions .btn-outline {
  border: 1px solid var(--blue-light);
  background: transparent;
  color: var(--blue-light);
  box-shadow: none;
}

.cta-actions .btn-outline:hover {
  background: rgba(61, 168, 255, 0.1);
  border-color: #fff;
  color: #fff;
}

.phone {
  display: block;
  text-align: center;
  font: 700 20px Rajdhani;
  margin-top: 13px;
}

/* Footer */
footer {
  background: #03070c;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 70px;
  padding: 65px 0 45px;
  border-top: 1px solid var(--line);
}

.footer-grid > div {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.footer-grid > div:first-child p {
  font-size: 12px;
  color: var(--muted);
  margin-top: 10px;
}

.footer-grid h3 {
  font: 700 16px Rajdhani;
  text-transform: uppercase;
  color: var(--blue-light);
  margin-bottom: 6px;
}

.footer-grid a,
.footer-grid span {
  font-size: 12px;
  color: #9facb9;
}

.footer-link,
.social-link,
.footer-registration {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-link,
.social-link {
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-link:hover,
.social-link:hover {
  color: #fff;
  transform: translateX(3px);
}

.footer-icon {
  width: 21px;
  height: 21px;
  flex: 0 0 21px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.footer-registration .footer-icon,
.footer-link .footer-icon,
.social-link .footer-icon {
  color: var(--blue-light);
}

.social-link > span {
  display: grid;
  line-height: 1.35;
}

.social-link small {
  color: #dce6ef;
  font-size: 10px;
  font-weight: 700;
}

.footer-icon .icon-fill {
  fill: currentColor;
  stroke: none;
}

.linkedin-icon {
  stroke-width: 1.7;
}

.footer-partner-label {
  margin-top: 8px;
  color: var(--blue-light) !important;
  font-size: 9px !important;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.footer-bottom {
  min-height: 64px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #65717d;
  font-size: 11px;
}

/* Floating WhatsApp */
.whatsapp-float {
  position: fixed;
  right: 25px;
  bottom: 25px;
  z-index: 90;
  height: 58px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px;
  border-radius: 30px;
  background: var(--green);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.35);
  animation: pulse 2.8s infinite;
}

.whatsapp-float svg {
  width: 27px;
  fill: #fff;
}

@keyframes pulse {
  0%,
  100% {
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
  }

  50% {
    box-shadow: 0 10px 40px rgba(37, 211, 102, 0.55);
  }
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}

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

/* Tablet */
@media (max-width: 1000px) {
  .main-nav {
    gap: 18px;
  }

  .main-nav a {
    font-size: 12px;
  }

  .nav-cta {
    display: none;
  }

  .hero {
    min-height: 760px;
    background-position: 58% center;
  }

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

  .difference-grids {
    gap: 32px;
  }

  .visual-panel {
    min-height: 320px;
  }

  .visual-badge {
    left: 22px;
    bottom: 25px;
  }

  .difference-contact {
    grid-template-columns: auto 1fr;
  }

  .difference-contact a {
    grid-column: 1 / -1;
  }

  .project-card {
    min-height: 370px;
  }

  .cta-box {
    grid-template-columns: 1fr 1fr;
    padding: 50px 40px;
  }
}

/* Mobile */
@media (max-width: 760px) {
  .container {
    width: min(calc(100% - 30px), var(--container));
  }

  .site-header {
    height: 70px;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
  }

  .brand-copy strong {
    font-size: 18px;
  }

  .menu-toggle {
    display: block;
    z-index: 2;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .main-nav {
    position: fixed;
    left: 0;
    right: 0;
    top: 69px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 15px;
    background: #07111b;
    border-bottom: 1px solid var(--line);
    transform: translateY(-130%);
    opacity: 0;
    transition: 0.3s;
    z-index: -1;
  }

  .main-nav.open {
    transform: none;
    opacity: 1;
  }

  .main-nav a {
    font-size: 14px;
    padding: 13px 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .hero {
    min-height: 800px;
    align-items: flex-end;
    padding-bottom: 55px;
    background-image:
      linear-gradient(
        0deg,
        var(--bg) 3%,
        rgba(5, 11, 18, 0.82) 48%,
        rgba(5, 11, 18, 0.25) 100%
      ),
      url("../images/hero-electric-engineer.png");
    background-position: 68% center;
  }

  .hero-content {
    padding-top: 160px;
  }

  .eyebrow {
    font-size: 10px;
  }

  h1 {
    font-size: 48px;
  }

  .hero-content > p {
    font-size: 14px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 17px;
  }

  .hero-trust {
    margin-top: 43px;
  }

  .hero-trust div {
    padding-right: 14px;
    margin-right: 14px;
  }

  .hero-trust strong {
    font-size: 22px;
  }

  .hero-trust span {
    font-size: 8px;
  }

  .trust-items {
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: 18px 0;
  }

  .trust-items span {
    font-size: 9px;
  }

  .section {
    padding: 80px 0;
  }

  .section-heading {
    display: block;
    margin-bottom: 35px;
  }

  .section-heading > p {
    margin-top: 20px;
  }

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

  .service-card {
    min-height: auto;
  }

  .difference-grids {
    grid-template-columns: 1fr;
  }

  .visual-panel {
    min-height: 340px;
  }

  .difference-copy h2 {
    font-size: clamp(40px, 12vw, 56px);
  }

  .difference-service-grid {
    grid-template-columns: 1fr;
  }

  .difference-service-card {
    min-height: auto;
  }

  .difference-contact {
    grid-template-columns: 58px 1fr;
    gap: 16px;
    padding: 24px 20px;
  }

  .difference-contact-icon {
    width: 58px;
    height: 58px;
  }

  .difference-contact h3 {
    font-size: 22px;
  }

  .difference-contact a {
    width: 100%;
  }

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

  .project-card {
    min-height: 330px;
  }

  .partners-carousel {
    margin-bottom: 55px;
  }

  .partners-carousel-set {
    gap: 14px;
    padding-right: 14px;
  }

  .partners-carousel-line + .partners-carousel-line {
    margin-top: 10px;
  }

  .partner-card {
    width: 190px;
    height: 120px;
    padding: 12px 14px 10px;
    border-radius: 8px;
  }

  .partner-card svg {
    height: 68px;
  }

  .partner-card figcaption {
    font-size: 9px;
  }

  .presentation-showcase {
    grid-template-columns: 1fr;
    gap: 35px;
    margin-top: 50px;
    padding: 28px 20px;
  }

  .presentation-gallery {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .presentation-image {
    margin: 0 auto;
  }

  .presentation-copy p {
    font-size: 13px;
  }

  .cta-section {
    padding: 0 0 80px;
  }

  .cta-box {
    grid-template-columns: 1fr;
    padding: 38px 25px;
    gap: 30px;
  }

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

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

  .footer-bottom {
    padding: 20px 0;
    gap: 20px;
    align-items: flex-start;
  }

  .whatsapp-float {
    width: 58px;
    padding: 0;
    justify-content: center;
  }

  .whatsapp-float span {
    display: none;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

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

  .whatsapp-float {
    animation: none;
  }

  .partners-carousel {
    overflow: visible;
  }

  .partners-carousel::before,
  .partners-carousel::after {
    display: none;
  }

  .partners-carousel-track {
    animation: none;
    will-change: auto;
  }

  .partners-carousel-line {
    overflow-x: auto;
    scrollbar-width: thin;
    scroll-snap-type: x proximity;
  }

  .partner-card {
    scroll-snap-align: start;
  }
}