:root {
  --blue: #095ea8;
  --dark: #102438;
  --orange: #f28c18;
  --muted: #627181;
  --line: #dfe6ec;
  --soft: #f4f7f9;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: #263746;
  background: #fff;
  font-family: Arial, 'Segoe UI', sans-serif;
  line-height: 1.55;
}
a {
  text-decoration: none;
  color: inherit;
}
.container {
  width: min(1180px, calc(100% - 40px));
  margin: auto;
}
.site-header {
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 20;
  box-shadow: 0 2px 12px #10243812;
}
.topbar {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--dark);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 0.04em;
}
.brand svg {
  color: var(--orange);
  width: 34px;
  height: 34px;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 28px;
}
.header-actions a {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--blue);
  font-weight: 700;
}
.request-btn,
.orange-button {
  background: var(--orange) !important;
  color: #fff !important;
  border-radius: 4px;
  padding: 11px 20px;
  box-shadow: 0 5px 14px #f28c1833;
}
.menu-button {
  display: none;
  background: none;
  border: 0;
  color: var(--dark);
}
.nav {
  background: var(--dark);
  color: #fff;
}
.nav-inner {
  height: 48px;
  display: flex;
  align-items: center;
  gap: 38px;
}
.nav a {
  font-size: 15px;
  opacity: 0.88;
  position: relative;
}
.nav a.active:after,
.nav a:hover:after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -14px;
  height: 3px;
  background: var(--orange);
}
.intro {
  padding: 45px 0 65px;
}
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 5px;
  color: #83909b;
  font-size: 14px;
  margin-bottom: 24px;
}
.intro h1 {
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.12;
  color: var(--dark);
  margin: 0 0 18px;
  max-width: 850px;
}
.lead {
  font-size: 20px;
  color: var(--muted);
  max-width: 720px;
}
.service-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.service-highlights article {
  border: 1px solid var(--line);
  padding: 30px;
  background: #fff;
  box-shadow: 0 8px 24px #1024380b;
}
.round-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #eaf3fb;
  color: var(--blue);
  display: grid;
  place-items: center;
}
.brand-mark,
.project-grid b,
.online-icon {
  color: var(--orange);
  font-size: 30px;
}
.form-success[hidden] {
  display: none;
}
.service-highlights h2 {
  color: var(--dark);
  font-size: 23px;
  margin: 18px 0 8px;
}
.service-highlights p {
  color: var(--muted);
  min-height: 75px;
}
.service-highlights span {
  display: block;
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
}
.callback {
  background: linear-gradient(110deg, var(--blue), #06477f);
  color: #fff;
  padding: 35px 0;
}
.callback-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 45px;
  align-items: center;
}
.callback h2 {
  margin: 0 0 6px;
  font-size: 27px;
}
.callback p {
  margin: 0;
  opacity: 0.85;
}
.lead-form {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 10px;
}
.lead-form input {
  height: 48px;
  border: 0;
  border-radius: 4px;
  padding: 0 15px;
  font-size: 15px;
}
.lead-form button {
  border: 0;
  background: var(--orange);
  color: #fff;
  font-weight: 700;
  padding: 0 20px;
  border-radius: 4px;
  cursor: pointer;
}
.form-success {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 15px;
  background: #ffffff1d;
  border: 1px solid #ffffff50;
}
.content-section {
  padding: 80px 0;
}
.section-heading {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 42px;
}
.section-heading span {
  color: var(--orange);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.13em;
}
.section-heading h2 {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.2;
  color: var(--dark);
  margin: 10px 0;
}
.section-heading p {
  color: var(--muted);
}
.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  align-items: stretch;
}
.service-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 8px 24px #1024380b;
  overflow: hidden;
}
.service-card > img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}
.card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.card-title-row {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.card-title-row svg {
  color: var(--orange);
  flex: 0 0 auto;
}
.service-card h3 {
  color: var(--dark);
  font-size: 18px;
  line-height: 1.28;
  margin: 0 0 12px;
}
.service-card strong {
  color: var(--blue);
}
.service-card ul {
  padding: 0;
  list-style: none;
  margin: 15px -20px;
  border-top: 1px solid var(--line);
}
.service-card li {
  display: flex;
  gap: 8px;
  font-size: 13px;
  margin: 0;
  padding: 10px 20px;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}
.service-card li svg {
  width: 16px;
  height: 16px;
  color: var(--blue);
  flex: none;
  margin-top: 3px;
}
.service-card a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  margin: auto -20px -20px;
  padding: 11px;
}
.service-card a svg {
  width: 16px;
}
.online-band {
  background: var(--soft);
  border-block: 1px solid var(--line);
  padding: 38px 0;
}
.online-band .container {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 25px;
}
.online-band svg {
  width: 48px;
  height: 48px;
  color: var(--blue);
}
.online-band h2 {
  margin: 0;
  color: var(--dark);
}
.online-band p {
  margin: 5px 0;
  color: var(--muted);
}
.online-band a {
  background: var(--blue);
  color: white;
  padding: 12px 20px;
  border-radius: 4px;
  font-weight: 700;
}
.projects {
  background: var(--dark);
  padding: 80px 0;
  color: #fff;
}
.section-heading.light h2 {
  color: #fff;
}
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.project-grid article {
  padding: 30px;
  border: 1px solid #ffffff28;
  background: #ffffff0a;
}
.project-grid svg {
  color: var(--orange);
  width: 36px;
  height: 36px;
}
.project-grid h3 {
  font-size: 22px;
}
.project-grid p {
  color: #b9c6d0;
}
.trust {
  padding: 80px 0;
  background: #f5f7f8;
}
.trust-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.trust h2 {
  color: var(--dark);
  font-size: 38px;
  line-height: 1.2;
}
.trust p {
  color: var(--muted);
  margin-bottom: 30px;
}
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  text-align: center;
}
.stats div {
  padding: 25px 12px;
  border-left: 1px solid var(--line);
}
.stats strong {
  display: block;
  color: var(--blue);
  font-size: 34px;
}
.stats span {
  font-size: 13px;
  color: var(--muted);
}
footer {
  background: #091a2a;
  color: #d9e1e7;
}
.footer-brand {
  color: var(--dark);
}
.map-section {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(360px, 0.75fr);
  min-height: 510px;
  background: #eef2f5;
}
.map-frame iframe {
  border: 0;
  width: 100%;
  height: 100%;
  min-height: 510px;
  display: block;
}
.map-contact {
  padding: 70px 8vw 60px 55px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.map-contact h2 {
  color: var(--dark);
  font-size: 30px;
  margin: 28px 0 12px;
}
.map-contact .address,
.map-phone {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 10px 0 20px;
  color: var(--muted);
}
.map-contact .address svg,
.map-phone svg {
  width: 22px;
  color: var(--orange);
  flex: none;
  margin-top: 3px;
}
.map-phone {
  color: var(--blue);
  font-size: 21px;
  font-weight: 800;
}
.copyright {
  text-align: center;
  padding: 18px;
  border-top: 1px solid #ffffff19;
  color: #82919e;
  font-size: 14px;
}
@media (max-width: 1100px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 900px) {
  .header-actions .mail-link {
    display: none;
  }
  .service-highlights {
    grid-template-columns: 1fr;
  }
  .callback-inner,
  .trust-inner {
    grid-template-columns: 1fr;
  }
  .lead-form {
    grid-template-columns: 1fr 1fr;
  }
  .lead-form button {
    height: 48px;
    grid-column: 1/-1;
  }
  .project-grid {
    grid-template-columns: 1fr;
  }
  .online-band .container {
    grid-template-columns: auto 1fr;
  }
  .online-band a {
    grid-column: 2;
  }
  .service-highlights p {
    min-height: auto;
  }
  .map-section {
    grid-template-columns: 1fr;
  }
  .map-contact {
    padding: 45px 28px;
  }
  .map-frame iframe {
    min-height: 400px;
  }
}
@media (max-width: 620px) {
  .container {
    width: min(100% - 28px, 1180px);
  }
  .topbar {
    height: 66px;
  }
  .header-actions {
    display: none;
  }
  .menu-button {
    display: block;
  }
  .nav {
    display: none;
  }
  .nav.open {
    display: block;
  }
  .nav-inner {
    height: auto;
    padding: 18px 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }
  .nav a.active:after,
  .nav a:hover:after {
    bottom: -5px;
  }
  .intro {
    padding: 32px 0 45px;
  }
  .service-highlights {
    margin-top: 32px;
  }
  .callback-inner {
    gap: 20px;
  }
  .lead-form {
    grid-template-columns: 1fr;
  }
  .content-section {
    padding: 55px 0;
  }
  .cards-grid {
    grid-template-columns: 1fr;
  }
  .service-card > img {
    height: 210px;
  }
  .project-grid {
    grid-template-columns: 1fr;
  }
  .online-band .container {
    grid-template-columns: 1fr;
  }
  .online-band a {
    grid-column: 1;
    width: max-content;
  }
  .trust h2 {
    font-size: 30px;
  }
  .stats {
    grid-template-columns: 1fr;
  }
  .stats div {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .map-frame iframe {
    min-height: 330px;
  }
  .map-contact {
    padding: 38px 22px;
  }
}