:root {
  --bg: #f3f6f8;
  --surface: #ffffff;
  --surface-soft: #eaf2f7;
  --text: #15222c;
  --text-muted: #4d5f6d;
  --line: #cfdae3;
  --accent: #0b6a88;
  --accent-hover: #08546d;
  --accent-soft: #e4f2f7;
  --title-color: #3e6b58;
  --radius: 12px;
  --shadow: 0 10px 28px rgba(15, 45, 64, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(180deg, #f8fbfd 0%, var(--bg) 42%, #e7eef4 100%);
  color: var(--text);
  line-height: 1.6;
}

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.narrow {
  width: min(760px, 92vw);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
  background: rgba(243, 246, 248, 0.92);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.logo {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.2px;
  color: var(--text);
  text-decoration: none;
}

.menu-toggle {
  display: none;
}

.site-nav {
  display: block;
}

.nav-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  row-gap: 0.35rem;
  margin: 0;
  padding: 0;
}

.nav-list li,
.footer-links li {
  display: inline-flex;
  align-items: center;
}

.nav-list li + li::before,
.footer-links li + li::before {
  content: "|";
  margin: 0 0.8rem;
  color: #4f6f82;
  font-weight: 700;
  opacity: 0.9;
}

.nav-list a,
.footer-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 600;
}

.nav-list a:hover,
.footer-links a:hover,
.nav-list a[aria-current="page"] {
  color: var(--accent);
}

.hero {
  padding: 5rem 0 2.7rem;
  background: linear-gradient(145deg, var(--accent-soft) 0%, rgba(255, 255, 255, 0.85) 65%);
  border-bottom: 1px solid var(--line);
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  margin: 0 0 1rem;
  color: var(--title-color);
}

.hero p {
  margin: 0;
  max-width: 65ch;
  color: var(--text-muted);
  font-size: 1.08rem;
}

.products {
  padding: 1.5rem 0 4rem;
}

.section-header h2 {
  margin: 0;
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  color: var(--title-color);
}

.section-header p {
  margin: 0.5rem 0 1.5rem;
  color: var(--text-muted);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem;
  box-shadow: var(--shadow);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.card h3 {
  margin: 0 0 0.55rem;
  color: #1b5c78;
}

.card p {
  margin: 0;
  color: var(--text-muted);
}

.card:hover {
  transform: translateY(-4px);
  border-color: #9ec4d3;
  box-shadow: 0 14px 32px rgba(11, 106, 136, 0.16);
}

.page-intro {
  padding: 4rem 0 1.5rem;
}

.page-intro h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  color: var(--title-color);
}

.page-intro p {
  margin: 0 0 0.75rem;
  color: var(--text-muted);
}

.service-form,
.policy-copy {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 3rem;
  box-shadow: var(--shadow);
}

.service-form {
  display: grid;
  gap: 0.85rem;
}

label {
  font-weight: 600;
}

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

input,
select,
textarea {
  width: 100%;
  padding: 0.7rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--text);
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(47, 72, 88, 0.25);
  border-color: var(--accent);
  outline-offset: 1px;
}

button {
  justify-self: start;
  padding: 0.7rem 1rem;
  border: none;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  background: var(--accent-hover);
}

.form-note,
.policy-copy p,
.policy-copy li,
.policy-links {
  color: var(--text-muted);
}

.policy-copy h3 {
  margin: 1.25rem 0 0.35rem;
  color: #1b5c78;
}

.policy-copy h3:first-of-type {
  margin-top: 0;
}

.policy-copy p {
  margin: 0 0 0.75rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #edf4f8;
}

.footer-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1rem 0 1.2rem;
}

.footer-wrap p {
  margin: 0;
  color: var(--text-muted);
}

.footer-links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 0;
  row-gap: 0.35rem;
  flex-wrap: wrap;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 900px) {
  .hero {
    padding-top: 3.5rem;
  }

  .nav-wrap {
    align-items: flex-start;
  }

  .has-menu-js .menu-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    margin-left: auto;
    padding: 0.42rem 0.7rem;
    border: 1px solid #95afbf;
    border-radius: 9px;
    background: #f7fbfd;
    color: #1d3d4f;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
  }

  .menu-icon {
    position: relative;
    width: 16px;
    height: 2px;
    background: currentColor;
    transition: background 120ms ease;
  }

  .menu-icon::before,
  .menu-icon::after {
    content: "";
    position: absolute;
    left: 0;
    width: 16px;
    height: 2px;
    background: currentColor;
    transition: transform 120ms ease;
  }

  .menu-icon::before {
    transform: translateY(-5px);
  }

  .menu-icon::after {
    transform: translateY(5px);
  }

  .menu-toggle.is-open .menu-icon {
    background: transparent;
  }

  .menu-toggle.is-open .menu-icon::before {
    transform: translateY(0) rotate(45deg);
  }

  .menu-toggle.is-open .menu-icon::after {
    transform: translateY(0) rotate(-45deg);
  }

  .has-menu-js .nav-wrap {
    flex-wrap: wrap;
  }

  .site-nav {
    width: 100%;
  }

  .has-menu-js .site-nav:not(.is-open) {
    display: none;
  }

  .has-menu-js .site-nav.is-open {
    display: block;
  }

  .site-nav .nav-list {
    flex-direction: column;
    align-items: flex-start;
    row-gap: 0.45rem;
    padding: 0.8rem 0 0.25rem;
  }

  .site-nav .nav-list li + li::before {
    content: none;
  }
}