:root {
  --blue-900: #0a2f5f;
  --blue-800: #0d3d78;
  --blue-700: #11508f;
  --blue-100: #eaf3fb;
  --orange-600: #e47b18;
  --orange-100: #fff0df;
  --gray-950: #101820;
  --gray-800: #25313d;
  --gray-600: #596775;
  --gray-300: #d7dee6;
  --gray-200: #e9edf2;
  --gray-100: #f5f7fa;
  --white: #ffffff;
  --shadow: 0 20px 45px rgba(16, 24, 32, 0.12);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--gray-950);
  background: var(--white);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

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

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

p {
  margin: 0 0 18px;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--gray-950);
  line-height: 1.08;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(42px, 5vw, 72px);
  max-width: 820px;
}

h2 {
  font-size: clamp(32px, 3.5vw, 52px);
}

h3 {
  font-size: 24px;
}

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

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--gray-200);
  backdrop-filter: blur(12px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 210px;
}

.brand img {
  width: 148px;
  height: auto;
}

.brand-text {
  display: none;
  font-size: 12px;
  color: var(--gray-600);
  line-height: 1.2;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  color: var(--gray-800);
  font-size: 14px;
  font-weight: 700;
}

.nav-links a {
  padding: 28px 0;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--blue-800);
  border-bottom-color: var(--orange-600);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--gray-300);
  background: var(--white);
  color: var(--blue-900);
  border-radius: 6px;
  font-size: 22px;
  line-height: 1;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, border 160ms ease;
}

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

.btn-primary {
  color: var(--white);
  background: var(--orange-600);
}

.btn-primary:hover {
  background: #c86410;
}

.btn-secondary {
  color: var(--blue-900);
  background: var(--white);
  border-color: var(--gray-300);
}

.btn-secondary:hover {
  border-color: var(--blue-700);
}

.btn-blue {
  color: var(--white);
  background: var(--blue-800);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 74px 0 34px;
  background: linear-gradient(90deg, #ffffff 0%, #f7f9fc 52%, #eef4fa 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.86fr);
  align-items: center;
  gap: 48px;
}

.hero-copy p {
  max-width: 680px;
  margin-top: 24px;
  color: var(--gray-600);
  font-size: 19px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  max-width: 720px;
  margin-top: 36px;
}

.proof-item {
  padding: 16px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
}

.proof-item strong {
  display: block;
  color: var(--blue-900);
  font-size: 22px;
  line-height: 1.1;
}

.proof-item span {
  display: block;
  margin-top: 6px;
  color: var(--gray-600);
  font-size: 12px;
  line-height: 1.35;
}

.hero-media {
  position: relative;
}

.hero-media img {
  width: 100%;
  min-height: 500px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.media-note {
  position: absolute;
  right: 18px;
  bottom: 18px;
  width: min(340px, calc(100% - 36px));
  padding: 16px;
  color: var(--white);
  background: rgba(10, 47, 95, 0.92);
  border-left: 4px solid var(--orange-600);
  border-radius: 6px;
}

.media-note strong {
  display: block;
  margin-bottom: 6px;
}

.media-note span {
  display: block;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  line-height: 1.45;
}

.section {
  padding: 86px 0;
}

.section-tight {
  padding: 58px 0;
}

.section-gray {
  background: var(--gray-100);
}

.section-blue {
  color: var(--white);
  background: var(--blue-900);
}

.section-blue h2,
.section-blue h3 {
  color: var(--white);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 36px;
}

.section-head p {
  max-width: 520px;
  margin: 0;
  color: var(--gray-600);
}

.section-blue .section-head p,
.section-blue p {
  color: rgba(255, 255, 255, 0.76);
}

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

.service-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
}

.service-card img {
  width: 100%;
  height: 230px;
  object-fit: cover;
}

.service-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 24px;
}

.service-body h3 {
  margin-bottom: 12px;
}

.service-body p {
  color: var(--gray-600);
}

.service-body ul,
.detail-list,
.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.service-body li,
.detail-list li,
.check-list li {
  position: relative;
  padding-left: 18px;
  margin-top: 8px;
  color: var(--gray-700, #3d4852);
  font-size: 14px;
}

.service-body li::before,
.detail-list li::before,
.check-list li::before {
  position: absolute;
  top: 9px;
  left: 0;
  width: 7px;
  height: 7px;
  content: "";
  background: var(--orange-600);
  border-radius: 50%;
}

.card-link {
  margin-top: auto;
  padding-top: 20px;
  color: var(--blue-800);
  font-weight: 800;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  align-items: center;
  gap: 52px;
}

.split.reverse {
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
}

.split-media img {
  width: 100%;
  max-height: 560px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.kpi {
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
}

.kpi strong {
  display: block;
  color: var(--blue-900);
  font-size: 28px;
  line-height: 1.1;
}

.kpi span {
  display: block;
  margin-top: 8px;
  color: var(--gray-600);
  font-size: 14px;
}

.process {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
}

.process-step {
  min-height: 170px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.08);
}

.process-step span {
  display: block;
  margin-bottom: 24px;
  color: var(--orange-600);
  font-weight: 900;
}

.process-step strong {
  display: block;
  color: var(--white);
  line-height: 1.25;
}

.process-step p {
  margin-top: 10px;
  font-size: 13px;
}

.feature-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.feature-panel {
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
}

.feature-panel h3 {
  margin-bottom: 12px;
}

.feature-panel p {
  color: var(--gray-600);
}

.page-hero {
  padding: 74px 0;
  background: linear-gradient(90deg, #ffffff 0%, #f4f7fb 100%);
  border-bottom: 1px solid var(--gray-200);
}

.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.72fr);
  align-items: center;
  gap: 48px;
}

.page-hero p {
  max-width: 700px;
  margin-top: 22px;
  color: var(--gray-600);
  font-size: 18px;
}

.page-hero img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.spec {
  min-height: 150px;
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
}

.spec strong {
  display: block;
  margin-bottom: 10px;
  color: var(--blue-900);
}

.spec span {
  color: var(--gray-600);
  font-size: 14px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.quote-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
  gap: 42px;
  align-items: start;
}

.contact-panel,
.form-panel {
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  box-shadow: 0 12px 28px rgba(16, 24, 32, 0.06);
}

.contact-row {
  padding: 16px 0;
  border-bottom: 1px solid var(--gray-200);
}

.contact-row:last-child {
  border-bottom: 0;
}

.contact-row strong {
  display: block;
  color: var(--blue-900);
}

.contact-row span,
.contact-row a {
  display: block;
  color: var(--gray-600);
  overflow-wrap: anywhere;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.field.full {
  grid-column: 1 / -1;
}

label {
  color: var(--gray-800);
  font-size: 13px;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  padding: 12px;
  color: var(--gray-950);
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  font: inherit;
}

textarea {
  min-height: 130px;
  resize: vertical;
}

.form-note {
  margin: 14px 0 0;
  color: var(--gray-600);
  font-size: 13px;
}

.cta-band {
  padding: 48px;
  color: var(--white);
  background: linear-gradient(120deg, var(--blue-900), var(--blue-700));
  border-radius: var(--radius);
}

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

.cta-band p {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.78);
}

.site-footer {
  padding: 54px 0 30px;
  color: rgba(255, 255, 255, 0.74);
  background: #071f3c;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.8fr 0.8fr 1fr;
  gap: 28px;
}

.footer-grid h3,
.footer-grid h4 {
  color: var(--white);
}

.footer-grid h4 {
  margin-bottom: 12px;
  font-size: 15px;
}

.footer-grid a {
  display: block;
  margin: 8px 0;
  color: rgba(255, 255, 255, 0.74);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 36px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 13px;
}

@media (max-width: 1020px) {
  .nav-links {
    position: absolute;
    top: 78px;
    right: 20px;
    left: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 12px;
    border-bottom: 1px solid var(--gray-200);
  }

  .nav-links a:last-child {
    border-bottom: 0;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .hero-grid,
  .page-hero-grid,
  .split,
  .split.reverse,
  .quote-layout {
    grid-template-columns: 1fr;
  }

  .hero-media img {
    min-height: 360px;
  }

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

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

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

@media (max-width: 720px) {
  .container {
    width: min(100% - 28px, var(--max));
  }

  .nav {
    min-height: 68px;
  }

  .brand img {
    width: 126px;
  }

  .nav-links {
    top: 68px;
    right: 14px;
    left: 14px;
  }

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

  .hero,
  .page-hero {
    padding: 48px 0 28px;
  }

  h1 {
    font-size: 39px;
  }

  .section {
    padding: 58px 0;
  }

  .section-head {
    display: block;
  }

  .section-head p {
    margin-top: 16px;
  }

  .hero-proof,
  .kpi-grid,
  .service-grid,
  .feature-band,
  .spec-grid,
  .two-col,
  .form-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

  .page-hero img,
  .hero-media img {
    height: 320px;
    min-height: auto;
  }

  .cta-band {
    padding: 28px;
  }

  .footer-bottom {
    display: block;
  }
}