:root {
  --black: #08111F;
  --charcoal: #0F2747;
  --graphite: #1E3A5F;
  --steel: #BFC7D5;
  --concrete: #0F2747;
  --light: #08111F;
  --white: #FFFFFF;
  --accent: #C0C7D1;
  --accent-dark: #E5E7EB;
  --card: #111C2D;
  --border: #334155;
  --secondary-text: #BFC7D5;
  --success: #8FD4B2;
  --danger: #F2A7A3;
  --shadow: 0 20px 45px rgba(0, 0, 0, 0.28);
  --radius: 8px;
  --container: min(1180px, calc(100% - 32px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Heebo", "Assistant", Arial, sans-serif;
  background: var(--light);
  color: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}

body.menu-open,
body.lightbox-open {
  overflow: hidden;
}

img {
  max-width: 100%;
  display: block;
  background: linear-gradient(135deg, var(--charcoal), var(--graphite));
}

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

button,
input,
select,
textarea {
  font: inherit;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  right: 12px;
  transform: translateY(-180%);
  z-index: 1000;
  background: var(--accent);
  color: var(--black);
  padding: 10px 16px;
  border-radius: var(--radius);
  font-weight: 800;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(8, 17, 31, 0.88);
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(14px);
  transition: padding 180ms ease, background 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(8, 17, 31, 0.96);
}

.header-inner {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  transition: min-height 180ms ease;
}

.site-header.is-scrolled .header-inner {
  min-height: 68px;
}

.brand {
  flex: 0 0 auto;
}

.logo-frame {
  width: 240px;
  height: 64px;
  display: grid;
  place-items: center;
  position: relative;
  background: transparent;
  background-image: none;
  border: none;
  box-shadow: none;
  outline: none;
  backdrop-filter: none;
  filter: none;
}

.brand-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: transparent;
  background-image: none;
  border: none;
  box-shadow: none;
  outline: none;
  backdrop-filter: none;
  filter: none;
}

.logo-fallback {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  letter-spacing: 0;
  color: var(--white);
  text-align: center;
}

.logo-frame.logo-missing .brand-logo {
  display: none;
}

.logo-frame.logo-missing .logo-fallback {
  display: flex;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-weight: 700;
  font-size: 0.96rem;
}

.main-nav a {
  opacity: 0.86;
  transition: color 160ms ease, opacity 160ms ease;
}

.main-nav a:hover {
  opacity: 1;
  color: var(--accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  border-radius: var(--radius);
  padding: 12px;
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--white);
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  background: var(--black);
  padding: 8px 16px 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-menu a {
  display: block;
  padding: 13px 4px;
  color: var(--white);
  font-weight: 700;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-weight: 900;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, color 160ms ease;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-accent {
  color: var(--white);
  background: var(--charcoal);
  border-color: var(--accent);
  box-shadow: 0 12px 28px rgba(192, 199, 209, 0.16);
}

.btn-accent:hover {
  color: var(--black);
  background: var(--accent);
}

.btn-outline {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.54);
  background: rgba(255, 255, 255, 0.08);
}

.btn-dark {
  color: var(--white);
  background: var(--charcoal);
}

.btn.services-cta {
  min-width: min(100%, 260px);
  min-height: 60px;
  padding: 15px 30px;
  border-color: var(--charcoal);
  background: var(--charcoal);
  color: var(--white);
  font-size: 1.08rem;
  animation: servicesCtaPulse 1.8s ease-in-out infinite;
}

.btn.services-cta:hover,
.btn.services-cta:focus-visible {
  animation-play-state: paused;
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 18px 34px rgba(15, 39, 71, 0.34), 0 0 0 4px rgba(192, 199, 209, 0.14);
}

@keyframes servicesCtaPulse {
  0%,
  100% {
    background: var(--charcoal);
    border-color: var(--charcoal);
    color: var(--white);
    box-shadow: 0 12px 28px rgba(15, 39, 71, 0.28);
  }

  50% {
    background: var(--white);
    border-color: var(--charcoal);
    color: var(--charcoal);
    box-shadow: 0 16px 32px rgba(192, 199, 209, 0.18);
  }
}

.btn-small {
  min-height: 42px;
  padding: 9px 16px;
  font-size: 0.94rem;
}

.hero {
  min-height: 92vh;
  display: grid;
  align-items: center;
  position: relative;
  overflow: hidden;
  color: var(--white);
  padding: 130px 0 64px;
}

.hero-bg,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-bg {
  background-image: linear-gradient(90deg, rgba(8, 17, 31, 0.15), rgba(8, 17, 31, 0.85)), url("assets/images/hero.jpg");
  background-size: cover;
  background-position: center;
}

.hero-overlay {
  background: radial-gradient(circle at 20% 35%, rgba(192, 199, 209, 0.14), transparent 24%), linear-gradient(180deg, rgba(8, 17, 31, 0.18), rgba(8, 17, 31, 0.82));
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 850px;
  margin-inline: auto 0;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-weight: 900;
  letter-spacing: 0;
}

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

h1 {
  font-size: clamp(2.55rem, 6vw, 5.2rem);
  line-height: 1.05;
  max-width: 950px;
  margin-bottom: 20px;
  letter-spacing: 0;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.15;
  margin-bottom: 18px;
}

h3 {
  line-height: 1.25;
}

.hero-subtitle {
  font-size: clamp(1.18rem, 2vw, 1.55rem);
  max-width: 790px;
  color: rgba(255, 255, 255, 0.88);
}

.trust-line {
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--white);
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin: 32px 0;
}

.hero-buttons .btn {
  gap: 8px;
  white-space: nowrap;
}

.hero-buttons svg {
  width: 19px;
  height: 19px;
  flex: 0 0 auto;
  fill: currentColor;
}

.hero-whatsapp-btn {
  color: #FFFFFF;
  background: #25D366;
  border-color: #25D366;
  box-shadow: 0 12px 28px rgba(37, 211, 102, 0.24);
}

.hero-whatsapp-btn:hover {
  color: #FFFFFF;
  background: #1EBE5D;
}

.hero-call-btn {
  color: var(--black);
  background: var(--white);
  border-color: var(--white);
}

.hero-call-btn:hover {
  color: var(--black);
  background: var(--light-accent, #E5E7EB);
}

.text-link {
  color: var(--white);
  font-weight: 900;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 4px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 820px;
}

.hero-stats div {
  padding: 20px;
  border: 1px solid rgba(192, 199, 209, 0.26);
  background: rgba(17, 28, 45, 0.7);
  border-radius: var(--radius);
}

.hero-stats strong,
.hero-stats span {
  display: block;
}

.hero-stats strong {
  font-size: 1.1rem;
}

.hero-stats span {
  color: rgba(255, 255, 255, 0.74);
  margin-top: 4px;
}

.slogan-section {
  background: var(--graphite);
  color: var(--white);
}

.slogan {
  margin: 0;
  padding: 30px 0;
  font-size: clamp(1.45rem, 3vw, 2.45rem);
  font-weight: 900;
  text-align: center;
}

.section {
  padding: 92px 0;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 56px;
  align-items: center;
}

.section-copy p,
.section-heading p,
.narrow p {
  color: var(--secondary-text);
  font-size: 1.08rem;
}

.feature-list,
.area-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.feature-list span,
.area-tags span,
.area-tags a {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-weight: 800;
  transition: color 160ms ease, border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.area-tags a:hover,
.area-tags a[aria-current="true"] {
  color: var(--white);
  border-color: var(--accent);
  background: rgba(192, 199, 209, 0.12);
  transform: translateY(-2px);
}

.map-cta {
  margin-top: 22px;
}

.map-cta .btn {
  border-color: var(--charcoal);
  background: var(--white);
  color: var(--charcoal);
  animation: mapCtaPulse 1.8s ease-in-out infinite;
}

.map-cta-text {
  display: grid;
  justify-items: center;
  text-align: center;
  line-height: 1.25;
}

.map-cta .btn:hover,
.map-cta .btn:focus-visible {
  animation-play-state: paused;
  background: var(--charcoal);
  border-color: var(--charcoal);
  color: var(--white);
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 16px 30px rgba(15, 39, 71, 0.3), 0 0 0 4px rgba(192, 199, 209, 0.12);
}

@keyframes mapCtaPulse {
  0%,
  100% {
    background: var(--white);
    border-color: var(--charcoal);
    color: var(--charcoal);
    box-shadow: 0 10px 24px rgba(192, 199, 209, 0.12);
  }

  50% {
    background: var(--charcoal);
    border-color: var(--charcoal);
    color: var(--white);
    box-shadow: 0 14px 28px rgba(15, 39, 71, 0.24);
  }
}

.owner-card,
.contact-form,
.contact-panel {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.owner-section-inner {
  max-width: 560px;
}

.owner-content {
  padding: 28px;
}

.owner-content dl,
.owner-content dd {
  margin: 0;
}

.owner-content div {
  display: flex;
  gap: 8px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.owner-content dt {
  font-weight: 900;
}

.ltr-phone {
  direction: ltr;
  unicode-bidi: isolate;
}

.why,
.areas {
  background: var(--concrete);
}

.narrow {
  max-width: 900px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 38px;
}

.projects .section-heading {
  margin-bottom: 28px;
}

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

.services-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.service-card,
.advantage {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  min-height: 100%;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.service-card:hover,
.advantage:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(192, 199, 209, 0.56);
}

.icon {
  display: inline-grid;
  place-items: center;
  min-width: 52px;
  min-height: 52px;
  padding: 0 10px;
  border-radius: var(--radius);
  background: var(--graphite);
  color: var(--accent);
  font-weight: 900;
  margin-bottom: 20px;
}

.service-card p,
.advantage p {
  color: var(--secondary-text);
}

.center {
  text-align: center;
  margin-top: 34px;
}

.advantage span {
  color: var(--accent-dark);
  font-weight: 900;
  font-size: 1.3rem;
}

.advantages-carousel {
  --advantages-visible: 3;
  position: relative;
}

.advantages-viewport {
  position: relative;
  overflow: hidden;
  direction: ltr;
  touch-action: pan-y;
}

.advantages-viewport:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 6px;
}

.advantages-carousel.is-enhanced .advantages-grid {
  direction: ltr;
  grid-template-columns: repeat(var(--advantages-visible), minmax(0, 1fr));
  width: 100%;
  transition: transform 620ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.advantages-carousel.is-enhanced .advantages-grid.is-overlay {
  position: absolute;
  inset: 0;
}

.advantages-carousel.is-enhanced .advantage {
  direction: rtl;
  text-align: right;
  height: 100%;
}

.advantages-nav {
  display: none;
  position: absolute;
  top: 50%;
  z-index: 3;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(192, 199, 209, 0.38);
  border-radius: 50%;
  background: rgba(17, 28, 45, 0.92);
  color: var(--accent);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.26);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  transform: translateY(-50%);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.advantages-carousel.is-enhanced .advantages-nav {
  display: grid;
  place-items: center;
}

.advantages-nav:hover,
.advantages-nav:focus-visible {
  border-color: rgba(192, 199, 209, 0.72);
  background: var(--charcoal);
  color: var(--white);
  transform: translateY(-50%) scale(1.04);
}

.advantages-nav:active {
  transform: translateY(-50%) scale(0.96);
}

.advantages-nav-prev {
  right: -18px;
}

.advantages-nav-next {
  left: -18px;
}

.advantages-dots {
  display: none;
}

.advantages-dot {
  width: 9px;
  height: 9px;
  padding: 0;
  border: 1px solid rgba(192, 199, 209, 0.68);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.advantages-dot:hover,
.advantages-dot:focus-visible,
.advantages-dot[aria-current="true"] {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.18);
}

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

.project-card {
  width: 100%;
  margin: 0;
  break-inside: avoid;
  position: relative;
  display: block;
  overflow: hidden;
  padding: 0;
  border: 0;
  border-radius: var(--radius);
  background: var(--charcoal);
  color: var(--white);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.18);
  cursor: pointer;
  text-align: right;
  transition: transform 360ms cubic-bezier(0.22, 1, 0.36, 1), box-shadow 360ms cubic-bezier(0.22, 1, 0.36, 1);
}

.project-card img {
  width: 100%;
  height: clamp(260px, 28vw, 330px);
  aspect-ratio: 16 / 11;
  object-fit: cover;
  object-position: center top;
  transition: transform 520ms cubic-bezier(0.22, 1, 0.36, 1), opacity 420ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform, opacity;
}

.project-card:hover img {
  transform: scale(1.055);
  opacity: 0.78;
}

.project-card span {
  position: absolute;
  inset: auto 0 0;
  padding: 58px 20px 20px;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.88));
  transition: transform 420ms cubic-bezier(0.22, 1, 0.36, 1), background 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

.project-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.24);
}

.project-card:hover span {
  transform: translateY(-4px);
}

.project-card strong,
.project-card em,
.project-description {
  display: block;
}

.project-card em {
  font-style: normal;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 6px;
}

.project-description {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.92rem;
  line-height: 1.45;
}

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

.timeline li {
  position: relative;
  background: var(--card);
  border-radius: var(--radius);
  padding: 24px;
  min-height: 170px;
  border-top: 4px solid var(--accent);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.22);
}

.timeline span {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--charcoal);
  color: var(--accent);
  font-weight: 900;
  margin-bottom: 18px;
}

.timeline-carousel {
  --process-visible: 3;
  position: relative;
}

.timeline-viewport {
  position: relative;
  overflow: hidden;
  direction: ltr;
  touch-action: pan-y;
}

.timeline-viewport:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 6px;
}

.timeline-carousel.is-enhanced .timeline {
  direction: ltr;
  grid-template-columns: repeat(var(--process-visible), minmax(0, 1fr));
  width: 100%;
  transition: transform 620ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.timeline-carousel.is-enhanced .timeline.is-overlay {
  position: absolute;
  inset: 0;
}

.timeline-carousel.is-enhanced .timeline li {
  direction: rtl;
  text-align: right;
}

.timeline-nav {
  display: none;
  position: absolute;
  top: 50%;
  z-index: 3;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(192, 199, 209, 0.38);
  border-radius: 50%;
  background: rgba(17, 28, 45, 0.92);
  color: var(--accent);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.26);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  transform: translateY(-50%);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.timeline-carousel.is-enhanced .timeline-nav {
  display: grid;
  place-items: center;
}

.timeline-nav:hover,
.timeline-nav:focus-visible {
  border-color: rgba(192, 199, 209, 0.72);
  background: var(--charcoal);
  color: var(--white);
  transform: translateY(-50%) scale(1.04);
}

.timeline-nav:active {
  transform: translateY(-50%) scale(0.96);
}

.timeline-nav-prev {
  right: -18px;
}

.timeline-nav-next {
  left: -18px;
}

.service-area-intro {
  max-width: 860px;
  margin-bottom: 28px;
}

.service-area-map-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}

.google-map-frame {
  width: 100%;
  height: 430px;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--black);
}

.google-map-frame iframe {
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
  filter: saturate(0.72) contrast(1.05);
}

.contact {
  background: var(--charcoal);
  color: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 30px;
  align-items: start;
}

.contact-panel {
  background: var(--card);
  padding: 36px;
}

.contact-panel p {
  color: rgba(255, 255, 255, 0.78);
}

.direct-contact {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.direct-contact a {
  display: block;
  padding: 15px 16px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  font-weight: 900;
}

.contact-form {
  padding: 28px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.form-row {
  display: grid;
  gap: 7px;
}

.form-row.full,
.contact-form .full {
  grid-column: 1 / -1;
}

label {
  font-weight: 900;
  color: var(--white);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 13px 14px;
  background: var(--white);
  color: var(--charcoal);
}

textarea {
  resize: vertical;
}

.error-message {
  min-height: 20px;
  color: var(--danger);
  font-weight: 700;
}

.form-row.has-error input,
.form-row.has-error select,
.form-row.has-error textarea {
  border-color: var(--danger);
}

.form-status {
  grid-column: 1 / -1;
  min-height: 24px;
  margin: 0;
  color: var(--success);
  font-weight: 900;
  white-space: pre-line;
}

.form-status.is-success {
  color: var(--success);
}

.form-status.is-error {
  color: var(--danger);
}

.site-footer {
  background: var(--black);
  color: var(--white);
  padding: 58px 0 118px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, 1fr);
  gap: 28px;
}

.footer-company-name {
  display: block;
  color: var(--white);
  font-size: 1.18rem;
  font-weight: 900;
  margin-bottom: 10px;
}

.site-footer h3 {
  color: var(--accent);
}

.site-footer a,
.site-footer span {
  display: block;
  color: rgba(255, 255, 255, 0.78);
  margin: 8px 0;
}

.site-footer a:hover {
  color: var(--accent);
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--border);
  background: rgba(192, 199, 209, 0.06);
  color: var(--secondary-text);
  padding: 0;
  border-radius: var(--radius);
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.social-links a:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  background: rgba(192, 199, 209, 0.13);
  color: var(--white);
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.22);
}

.social-links svg {
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  fill: currentColor;
}

.social-links span {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.social-links-contact {
  margin-top: 22px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  margin-top: 38px;
  padding-top: 18px;
}

.floating-whatsapp {
  position: fixed;
  left: 22px;
  bottom: 22px;
  z-index: 90;
  background: #25D366;
  color: var(--white);
  border: 1px solid #25D366;
  padding: 14px 18px;
  border-radius: 999px;
  font-weight: 900;
  box-shadow: var(--shadow);
}

.floating-whatsapp:hover,
.floating-whatsapp:focus-visible {
  background: #1EBE5D;
  border-color: #1EBE5D;
  color: var(--white);
}

.mobile-bottom-bar {
  display: none;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(0, 0, 0, 0.86);
  opacity: 0;
  visibility: hidden;
  transition: opacity 280ms cubic-bezier(0.22, 1, 0.36, 1), visibility 280ms cubic-bezier(0.22, 1, 0.36, 1);
}

.lightbox[hidden] {
  display: none;
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox-panel {
  position: relative;
  width: min(1080px, 96vw);
  max-height: min(860px, 92vh);
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  background: var(--card);
  border: 1px solid rgba(192, 199, 209, 0.28);
  border-radius: var(--radius);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.48);
  color: var(--white);
  opacity: 0;
  transform: translateY(14px) scale(0.97);
  transition: opacity 360ms cubic-bezier(0.22, 1, 0.36, 1), transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

.lightbox.is-open .lightbox-panel {
  opacity: 1;
  transform: none;
}

.lightbox-media {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 540px;
  background: var(--black);
  overflow: hidden;
  touch-action: pan-y;
}

.lightbox img {
  width: 100%;
  height: 100%;
  max-height: 78vh;
  object-fit: contain;
  background: transparent;
  border-radius: var(--radius);
  transition: transform 420ms cubic-bezier(0.22, 1, 0.36, 1), opacity 360ms cubic-bezier(0.22, 1, 0.36, 1);
}

.lightbox img.is-changing {
  opacity: 0;
  transform: translateX(-18px) scale(0.985);
}

.lightbox-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 34px 28px 24px;
  background: linear-gradient(180deg, var(--card), rgba(15, 39, 71, 0.94));
}

.lightbox-content h2 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
}

.lightbox-content p {
  margin: 0;
  color: var(--secondary-text);
}

.lightbox-content .eyebrow {
  color: var(--accent);
}

.lightbox-thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(64px, 1fr));
  gap: 8px;
  margin-top: auto;
  padding-top: 18px;
}

.lightbox-thumb {
  min-height: 54px;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(192, 199, 209, 0.28);
  border-radius: var(--radius);
  background: var(--graphite);
  cursor: pointer;
  opacity: 0.72;
  transition: opacity 220ms cubic-bezier(0.22, 1, 0.36, 1), transform 220ms cubic-bezier(0.22, 1, 0.36, 1), border-color 220ms cubic-bezier(0.22, 1, 0.36, 1);
}

.lightbox-thumb img {
  width: 100%;
  height: 54px;
  object-fit: cover;
  border-radius: 0;
}

.lightbox-thumb:hover,
.lightbox-thumb.is-active {
  opacity: 1;
  transform: translateY(-2px);
  border-color: var(--accent);
}

.lightbox-control {
  position: absolute;
  top: 50%;
  z-index: 2;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(192, 199, 209, 0.36);
  background: rgba(8, 17, 31, 0.72);
  color: var(--white);
  font-size: 2.1rem;
  line-height: 1;
  cursor: pointer;
  transform: translateY(-50%);
  transition: transform 220ms cubic-bezier(0.22, 1, 0.36, 1), background 220ms cubic-bezier(0.22, 1, 0.36, 1), border-color 220ms cubic-bezier(0.22, 1, 0.36, 1);
}

.lightbox-control:hover {
  background: rgba(30, 58, 95, 0.92);
  border-color: var(--accent);
}

.lightbox-control-prev {
  right: 18px;
}

.lightbox-control-next {
  left: 18px;
}

.lightbox-close {
  position: absolute;
  top: 22px;
  left: 22px;
  z-index: 4;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  padding: 0;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  touch-action: manipulation;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: transform 260ms cubic-bezier(0.22, 1, 0.36, 1), background 260ms cubic-bezier(0.22, 1, 0.36, 1), border-color 260ms cubic-bezier(0.22, 1, 0.36, 1), box-shadow 260ms cubic-bezier(0.22, 1, 0.36, 1);
}

.lightbox-close:hover,
.lightbox-close:focus-visible {
  transform: rotate(90deg) scale(1.04);
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.18);
  box-shadow: 0 0 0 4px rgba(192, 199, 209, 0.16);
}

.lightbox-close:active {
  transform: rotate(90deg) scale(0.96);
  background: rgba(255, 255, 255, 0.22);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 500ms ease, transform 500ms ease;
}

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

@media (max-width: 1120px) {
  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

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

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

  .advantages-nav-prev,
  .timeline-nav-prev {
    right: 2px;
  }

  .advantages-nav-next,
  .timeline-nav-next {
    left: 2px;
  }

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

@media (max-width: 900px) {
  .advantages-carousel {
    --advantages-visible: 2;
  }

  .advantages-nav-prev {
    right: 2px;
  }

  .advantages-nav-next {
    left: 2px;
  }

  .timeline-carousel {
    --process-visible: 2;
  }

  .timeline-nav-prev {
    right: 2px;
  }

  .timeline-nav-next {
    left: 2px;
  }

  .split,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

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

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

  .hero-content {
    margin-inline: auto;
  }
}

@media (max-width: 640px) {
  .advantages-carousel {
    --advantages-visible: 1;
  }

  .advantages-carousel.is-enhanced {
    margin-inline: -10px;
  }

  .advantages-carousel.is-enhanced .advantages-viewport {
    padding-inline: 10px;
  }

  .advantages-carousel.is-enhanced .advantages-grid {
    display: flex;
    justify-content: center;
    gap: 10px;
  }

  .advantages-carousel.is-enhanced .advantages-grid.is-centered .advantage {
    flex: 0 0 min(78%, 300px);
  }

  .advantages-carousel.is-enhanced .advantages-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 18px;
  }

  .advantages-nav {
    width: 38px;
    height: 38px;
    font-size: 1.8rem;
  }

  .advantages-nav-prev {
    right: 2px;
  }

  .advantages-nav-next {
    left: 2px;
  }

  .timeline-carousel {
    --process-visible: 1;
  }

  .timeline-nav {
    width: 38px;
    height: 38px;
    font-size: 1.8rem;
  }

  .timeline-nav-prev {
    right: 2px;
  }

  .timeline-nav-next {
    left: 2px;
  }

  body {
    padding-bottom: 58px;
  }

  .container {
    width: min(100% - 20px, 1180px);
  }

  .header-inner {
    min-height: 64px;
  }

  .logo-frame {
    width: 172px;
    height: 54px;
  }

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

  .hero {
    min-height: auto;
    padding: 92px 0 24px;
  }

  h1 {
    font-size: 2rem;
    line-height: 1.08;
    margin-bottom: 12px;
  }

  h2 {
    font-size: 1.58rem;
    margin-bottom: 10px;
  }

  h3 {
    margin-bottom: 6px;
  }

  p {
    margin-bottom: 10px;
  }

  .eyebrow {
    margin-bottom: 7px;
    font-size: 0.92rem;
  }

  .hero-subtitle {
    font-size: 1.02rem;
    line-height: 1.55;
  }

  .trust-line {
    font-size: 0.98rem;
    margin-bottom: 0;
  }

  .hero-buttons {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin: 18px 0;
  }

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

  .hero-buttons .btn {
    width: 100%;
    min-height: 42px;
    padding: 9px 10px;
    font-size: 0.88rem;
    line-height: 1.1;
    gap: 6px;
  }

  .hero-buttons svg {
    width: 16px;
    height: 16px;
  }

  .hero-buttons .text-link {
    grid-column: 1 / -1;
    width: 100%;
  }

  @media (max-width: 360px) {
    .hero-buttons .btn {
      padding: 8px 6px;
      font-size: 0.78rem;
      gap: 4px;
    }

    .hero-buttons svg {
      width: 14px;
      height: 14px;
    }
  }

  .btn {
    min-height: 44px;
    padding: 10px 16px;
  }

  .btn.services-cta {
    min-width: min(100%, 240px);
    min-height: 54px;
    padding: 13px 24px;
    font-size: 1rem;
  }

  .text-link {
    text-align: center;
  }

  .hero-stats {
    gap: 8px;
  }

  .hero-stats div {
    padding: 12px;
  }

  .hero-stats strong {
    font-size: 0.98rem;
  }

  .hero-stats span {
    font-size: 0.86rem;
  }

  .section {
    padding: 38px 0;
  }

  .section-heading {
    margin-bottom: 18px;
  }

  .section-copy p,
  .section-heading p,
  .narrow p {
    font-size: 0.98rem;
    line-height: 1.55;
  }

  .cards-grid,
  .advantages-grid,
  .services-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .projects {
    padding-top: 36px;
  }

  .project-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .project-card {
    margin-bottom: 0;
  }

  .project-card img {
    width: 100%;
    height: clamp(230px, 66vw, 300px);
    min-height: 0;
    object-fit: cover;
    object-position: center top;
    background: var(--black);
  }

  .project-card span {
    padding: 46px 16px 16px;
  }

  .lightbox {
    padding: 14px;
  }

  .lightbox-panel {
    width: min(100%, 560px);
    max-height: 88vh;
    grid-template-columns: 1fr;
    overflow-y: auto;
  }

  .lightbox-media {
    min-height: 300px;
    max-height: 52vh;
  }

  .lightbox img {
    max-height: 52vh;
  }

  .lightbox-content {
    gap: 8px;
    padding: 18px 16px 16px;
  }

  .lightbox-content h2 {
    font-size: 1.35rem;
  }

  .lightbox-content p {
    line-height: 1.5;
  }

  .lightbox-thumbs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 6px;
    padding-top: 10px;
  }

  .lightbox-thumb,
  .lightbox-thumb img {
    min-height: 44px;
    height: 44px;
  }

  .lightbox-control {
    width: 38px;
    height: 38px;
    font-size: 1.8rem;
  }

  .lightbox-control-prev {
    right: 10px;
  }

  .lightbox-control-next {
    left: 10px;
  }

  .lightbox-close {
    top: 12px;
    left: 12px;
    width: 42px;
    height: 42px;
    font-size: 1.8rem;
  }

  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .service-card {
    padding: 14px;
  }

  .service-card .icon {
    min-width: 40px;
    min-height: 36px;
    margin-bottom: 10px;
    font-size: 0.82rem;
  }

  .service-card h3 {
    font-size: 1rem;
  }

  .service-card p {
    font-size: 0.88rem;
    line-height: 1.45;
    margin-bottom: 0;
  }

  .advantages-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-rows: 1fr;
    gap: 8px;
    align-items: stretch;
  }

  .advantage {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto 1fr;
    gap: 5px;
    align-items: start;
    min-height: 158px;
    height: 100%;
    padding: 10px;
    text-align: right;
  }

  .advantage span {
    grid-row: auto;
    display: grid;
    place-items: center;
    width: 32px;
    height: 32px;
    border: 1px solid var(--border);
    border-radius: 50%;
    font-size: 0.78rem;
  }

  .advantage h3 {
    font-size: 0.86rem;
    line-height: 1.25;
    margin: 0;
  }

  .advantage p {
    margin: 0;
    font-size: 0.75rem;
    line-height: 1.32;
  }

  @media (max-width: 360px) {
    .advantages-grid {
      gap: 7px;
    }

    .advantage {
      min-height: 154px;
      padding: 9px;
      gap: 4px;
    }

    .advantage span {
      width: 30px;
      height: 30px;
      font-size: 0.74rem;
    }

    .advantage h3 {
      font-size: 0.82rem;
    }

    .advantage p {
      font-size: 0.72rem;
      line-height: 1.3;
    }
  }

  .contact {
    padding-bottom: 42px;
  }

  .contact-grid {
    gap: 14px;
  }

  .contact-panel,
  .contact-form {
    padding: 18px;
  }

  .direct-contact {
    gap: 8px;
    margin-top: 14px;
  }

  .direct-contact a {
    padding: 11px 12px;
  }

  .contact-form {
    display: grid;
    gap: 10px;
  }

  input,
  select,
  textarea {
    padding: 11px 12px;
  }

  .social-links-contact {
    margin-top: 14px;
  }

  .social-links a {
    width: 44px;
    height: 44px;
  }

  .social-links svg {
    width: 22px;
    height: 22px;
  }

  .feature-list,
  .area-tags {
    gap: 7px;
    margin-top: 14px;
  }

  .feature-list span,
  .area-tags span,
  .area-tags a {
    padding: 7px 10px;
    font-size: 0.86rem;
  }

  .owner-section-inner {
    max-width: 100%;
  }

  .owner-content {
    padding: 16px;
  }

  .owner-content div {
    padding: 7px 0;
  }

  .timeline {
    gap: 8px;
  }

  .timeline li {
    min-height: auto;
    padding: 14px;
    display: grid;
    grid-template-columns: 42px 1fr;
    align-items: center;
    gap: 10px;
  }

  .timeline span {
    margin-bottom: 0;
  }

  .timeline h3 {
    margin: 0;
    font-size: 0.98rem;
  }

  .service-area-intro {
    margin-bottom: 14px;
  }

  .service-area-map-panel {
    padding: 10px;
  }

  .google-map-frame {
    height: 260px;
  }

  .map-cta {
    margin-top: 14px;
  }

  .floating-whatsapp {
    display: none;
  }

  .mobile-bottom-bar {
    position: fixed;
    inset: auto 0 0;
    z-index: 95;
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--black);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
  }

  .mobile-bottom-bar a {
    color: var(--white);
    text-align: center;
    padding: 12px 8px;
    font-weight: 900;
  }

  .mobile-bottom-bar a:last-child {
    background: var(--charcoal);
    color: var(--white);
  }

  .site-footer {
    padding: 34px 0 82px;
  }

  .footer-grid {
    gap: 16px;
  }

  .site-footer h3 {
    margin-bottom: 6px;
  }

  .site-footer a,
  .site-footer span {
    margin: 5px 0;
  }

  .footer-bottom {
    margin-top: 20px;
    padding-top: 12px;
  }
}

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

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

  .btn.services-cta {
    animation: none !important;
  }

  .map-cta .btn {
    animation: none !important;
    background: var(--charcoal);
    border-color: var(--charcoal);
    color: var(--white);
  }

}