:root {
  --bg: #ffffff;
  --text: #161616;
  --muted: #5f6570;
  --line: #e8ecf1;
  --soft: #f7f9fc;
  --card: #ffffff;
  --accent: #0f5fa8;
  --accent-dark: #0a3d6d;
  --shadow: 0 18px 50px rgba(16, 35, 58, 0.08);
  --radius: 24px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; height: auto; }
.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  min-height: 78px;
}
.brand {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
.nav a {
  color: var(--muted);
  font-weight: 600;
}
.hero {
  padding: 48px 0 36px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 34px;
  align-items: center;
}
.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
}
h1, h2, h3 { margin: 0; line-height: 1.12; }
h1 { font-size: clamp(2.3rem, 5vw, 4.2rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.5rem); }
.lead {
  font-size: 1.08rem;
  color: var(--muted);
  margin: 18px 0 22px;
  max-width: 760px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform .2s ease, box-shadow .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 14px 28px rgba(15,95,168,0.18);
}
.btn-secondary {
  background: #fff;
  color: var(--accent-dark);
  border: 1px solid #dce4ee;
}
.data-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.data-card, .service-card, .project-item, .contact-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.data-card {
  padding: 18px;
}
.data-card span {
  display: block;
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 6px;
}
.hero-visual {
  display: grid;
  gap: 18px;
}
.hero-card {
  background: #fff;
  border-radius: 28px;
  padding: 12px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.hero-card img {
  border-radius: 18px;
  object-fit: contain;
  background: #f4f7fa;
}
.hero-card-large img { max-height: 560px; }
.hero-card-small img { max-height: 320px; }
.section { padding: 72px 0; }
.section-soft { background: var(--soft); }
.section-heading {
  margin-bottom: 26px;
}
.section-copy {
  margin-top: 10px;
  color: var(--muted);
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.service-card {
  padding: 24px 18px;
  min-height: 120px;
  display: flex;
  align-items: end;
}
.service-card h3 { font-size: 1.02rem; }
.project-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.project-item {
  padding: 20px;
  display: flex;
  gap: 16px;
  align-items: start;
}
.project-item span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: #edf5ff;
  color: var(--accent);
  font-weight: 800;
  flex: 0 0 auto;
}
.gallery-grid {
  columns: 3 280px;
  column-gap: 18px;
}
.gallery-item {
  break-inside: avoid;
  margin: 0 0 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  overflow: hidden;
  padding: 10px;
}
.gallery-item img {
  border-radius: 14px;
  object-fit: contain;
  background: #f6f8fb;
}
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 24px;
}
.contact-card { padding: 28px; }
.contact-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: grid;
  gap: 16px;
}
.contact-list li {
  border-top: 1px solid var(--line);
  padding-top: 14px;
}
.contact-list span, .simple-form label {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 6px;
}
.simple-form {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}
.simple-form input,
.simple-form textarea {
  width: 100%;
  border: 1px solid #d8dee7;
  border-radius: 16px;
  padding: 14px 16px;
  font: inherit;
  resize: vertical;
  background: #fff;
}
.site-footer {
  padding: 30px 0 40px;
  border-top: 1px solid var(--line);
  background: #fff;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: start;
}
.footer-inner p,
.footer-data {
  color: var(--muted);
}
.footer-data {
  display: grid;
  gap: 8px;
  text-align: right;
}
@media (max-width: 980px) {
  .hero-grid,
  .contact-grid,
  .service-grid,
  .project-list,
  .data-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero-grid,
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .header-inner,
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .nav,
  .hero-actions,
  .data-grid,
  .service-grid,
  .project-list { grid-template-columns: 1fr; }
  .data-grid {
    display: grid;
  }
  .footer-data { text-align: left; }
  .section { padding: 54px 0; }
}