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

:root {
  --bg: #dcecff;
  --bg-deep: #c8dcf6;
  --text: #111111;
  --muted: #333333;
  --card: rgba(255, 255, 255, 0.22);
  --border: rgba(255, 255, 255, 0.32);
  --shadow: 0 18px 40px rgba(42, 73, 112, 0.12);
  --radius: 22px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(180deg, var(--bg), var(--bg-deep));
  color: var(--text);
  line-height: 1.5;
}

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

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

.container {
  width: min(1220px, 88%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(220, 236, 255, 0.82);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,0.3);
  box-shadow: 0 8px 24px rgba(42, 73, 112, 0.08);
}

.nav-wrap {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-size: 2rem;
  font-weight: 800;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: 1rem;
}

.nav-btn,
.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  border-radius: 999px;
  padding: 13px 22px;
  font-weight: 700;
  transition: 0.25s ease;
}

.nav-btn,
.btn-primary {
  background: #111;
  color: #fff;
}

.btn-outline {
  border: 1px solid #111;
  color: #111;
}

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

.menu-toggle,
.mobile-nav {
  display: none;
}

.hero {
  padding: 110px 0 90px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 0.9fr 1fr;
  gap: 90px;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2.4rem, 5vw, 4.3rem);
  font-weight: 400;
  line-height: 1.08;
  margin-bottom: 28px;
}

.hero-copy p {
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  max-width: 520px;
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-image img,
.image-row img,
.product-card img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  object-fit: cover;
}

.hero-image img {
  width: 100%;
  height: 410px;
}

.section {
  padding: 85px 0;
}

.intro-section h2,
.split-section h2,
.section-heading h2,
.contact-section h2 {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 400;
  line-height: 1.14;
  margin-bottom: 42px;
}

.image-row {
  display: grid;
  grid-template-columns: 1fr 0.82fr 1.2fr;
  gap: 28px;
  margin-bottom: 32px;
}

.image-row img {
  width: 100%;
  height: 230px;
}

.section-lead,
.section-heading p,
.split-section p,
.contact-section p {
  font-size: 1.35rem;
  max-width: 720px;
}

.split-grid,
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: start;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.service-card,
.product-card,
.contact-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.service-card {
  padding: 26px;
}

.service-card span {
  font-size: 2rem;
  display: inline-block;
  margin-bottom: 18px;
}

.service-card h3,
.product-card h3 {
  font-size: 1.35rem;
  margin-bottom: 10px;
}

.service-card p,
.product-card p {
  font-size: 1rem;
  color: var(--muted);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.product-card {
  overflow: hidden;
}

.product-card img {
  width: 100%;
  height: 220px;
  border-radius: var(--radius) var(--radius) 0 0;
}

.product-card div {
  padding: 24px;
}

.product-card strong {
  display: block;
  font-size: 1.25rem;
  margin: 18px 0;
}

.btn-small {
  width: 100%;
  padding: 11px 18px;
}

.contact-list {
  margin-top: 28px;
}

.contact-list p {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.contact-form {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-form label {
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(17, 17, 17, 0.12);
  border-radius: 14px;
  padding: 14px 16px;
  background: rgba(255,255,255,0.32);
  color: #111;
  font: inherit;
  outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: #111;
}

.site-footer {
  padding: 28px 0;
  background: rgba(220, 236, 255, 0.65);
  border-top: 1px solid rgba(255,255,255,0.35);
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-wrap div {
  display: flex;
  gap: 18px;
}

@media (max-width: 900px) {
  .desktop-nav {
    display: none;
  }

  .menu-toggle {
    display: block;
    background: none;
    border: 0;
    font-size: 1.8rem;
    cursor: pointer;
  }

  .mobile-nav.active {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 0 6% 22px;
  }

  .hero-grid,
  .split-grid,
  .contact-grid,
  .product-grid,
  .image-row {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 70px 0;
  }

  .hero-image img,
  .image-row img {
    height: 280px;
  }

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