:root {
  --navy: #102a43;
  --blue: #1677c8;
  --blue-dark: #095d9d;
  --water: #e9f6fc;
  --light: #f6f9fc;
  --border: #dce6ee;
  --text: #334e68;
  --muted: #6b7c8f;
  --white: #ffffff;
  --green: #287a55;
  --red: #a04444;

  font-family:
    Inter,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;

  color: var(--text);
  background: var(--white);

  line-height: 1.6;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
}

a {
  color: inherit;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.narrow {
  max-width: 850px;
}

.demo-banner {
  padding: 7px 20px;

  color: #ffffff;
  background: #102a43;

  text-align: center;

  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.site-header {
  background: rgba(255, 255, 255, 0.96);

  border-bottom: 1px solid var(--border);
}

.header-inner {
  min-height: 76px;

  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 30px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;

  color: var(--navy);

  text-decoration: none;
}

.brand-icon {
  width: 40px;
  height: 40px;

  display: grid;
  place-items: center;

  border-radius: 50%;

  color: #ffffff;
  background: var(--blue);

  font-size: 20px;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 18px;
  line-height: 1.1;
}

.brand small {
  margin-top: 2px;

  color: var(--muted);

  font-size: 12px;
  letter-spacing: 0.05em;

  text-transform: uppercase;
}

nav {
  display: flex;
  align-items: center;
  gap: 25px;

  font-size: 14px;
  font-weight: 600;
}

nav a {
  text-decoration: none;
}

.nav-cta {
  padding: 9px 14px;

  border-radius: 8px;

  color: #ffffff;
  background: var(--blue);
}

.hero {
  padding: 90px 0;

  background:
    radial-gradient(
      circle at 78% 18%,
      rgba(22, 119, 200, 0.18),
      transparent 28%
    ),
    linear-gradient(
      180deg,
      #f7fcff,
      #ffffff
    );
}

.hero-grid,
.area-grid,
.contact-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;

  gap: 70px;
  align-items: center;
}

.eyebrow {
  margin-bottom: 12px;

  color: var(--blue);

  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;

  text-transform: uppercase;
}

.eyebrow.light {
  color: #9edaff;
}

h1,
h2,
h3 {
  margin-top: 0;

  color: var(--navy);

  line-height: 1.15;
}

h1 {
  max-width: 720px;

  margin-bottom: 22px;

  font-size:
    clamp(42px, 6vw, 68px);

  letter-spacing: -0.04em;
}

h2 {
  margin-bottom: 18px;

  font-size:
    clamp(30px, 4vw, 44px);

  letter-spacing: -0.03em;
}

h3 {
  margin-bottom: 12px;

  font-size: 21px;
}

.hero-copy {
  max-width: 700px;

  margin-bottom: 28px;

  color: #526a7e;

  font-size: 18px;
}

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

.button {
  display: inline-block;

  padding: 12px 18px;

  border-radius: 9px;

  text-decoration: none;

  font-weight: 700;
}

.button.primary {
  color: #ffffff;
  background: var(--blue);
}

.button.primary:hover {
  background: var(--blue-dark);
}

.button.secondary {
  border: 1px solid var(--border);

  color: var(--navy);
  background: #ffffff;
}

.service-note {
  margin-top: 18px;

  color: var(--muted);

  font-size: 14px;
}

.hero-card {
  padding: 30px;

  border: 1px solid #d9e9f3;
  border-radius: 24px;

  background: rgba(255, 255, 255, 0.88);

  box-shadow:
    0 20px 60px
    rgba(16, 42, 67, 0.10);
}

.water-circle {
  min-height: 240px;

  display: flex;
  flex-direction: column;
  justify-content: flex-end;

  padding: 28px;

  border-radius: 20px;

  color: #ffffff;

  background:
    linear-gradient(
      145deg,
      #0c6fb2,
      #36a9e1
    );
}

.water-circle span {
  font-size: 16px;
}

.water-circle strong {
  font-size: 30px;
  line-height: 1.15;
}

.quick-facts {
  display: grid;
  gap: 14px;

  margin-top: 22px;
}

.quick-facts div {
  display: flex;
  justify-content: space-between;
  gap: 20px;

  padding-bottom: 12px;

  border-bottom: 1px solid var(--border);

  font-size: 13px;
}

.quick-facts span {
  color: var(--muted);
}

.section {
  padding: 86px 0;
}

.section-heading {
  max-width: 700px;

  margin-bottom: 42px;
}

.section-heading > p {
  color: var(--muted);

  font-size: 17px;
}

.cards {
  display: grid;
  grid-template-columns:
    repeat(3, minmax(0, 1fr));

  gap: 20px;
}

.service-card {
  padding: 26px;

  border: 1px solid var(--border);
  border-radius: 16px;

  background: var(--white);
}

.service-number {
  margin-bottom: 28px;

  color: var(--blue);

  font-size: 12px;
  font-weight: 800;
}

.service-card p {
  color: var(--muted);
}

.service-card .price {
  margin-bottom: 0;

  color: var(--navy);

  font-size: 14px;
  font-weight: 700;
}

.service-area-section {
  background: var(--light);
}

.area-list {
  overflow: hidden;

  border: 1px solid var(--border);
  border-radius: 16px;

  background: #ffffff;
}

.area-item {
  display: flex;
  justify-content: space-between;
  gap: 30px;

  padding: 18px 20px;

  border-bottom: 1px solid var(--border);
}

.area-item:last-child {
  border-bottom: 0;
}

.area-item strong {
  color: var(--green);

  font-size: 13px;
}

.area-item.unavailable strong {
  color: var(--red);
}

details {
  border-top: 1px solid var(--border);

  padding: 20px 0;
}

details:last-child {
  border-bottom: 1px solid var(--border);
}

summary {
  color: var(--navy);

  cursor: pointer;

  font-weight: 700;
}

details p {
  max-width: 720px;

  color: var(--muted);
}

.contact-section {
  padding: 80px 0;

  color: #d6e7f2;
  background: var(--navy);
}

.contact-section h2 {
  color: #ffffff;
}

.contact-section p {
  color: #c2d2df;
}

.contact-card {
  overflow: hidden;

  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 16px;

  background: rgba(255, 255, 255, 0.06);
}

.contact-card div {
  padding: 16px 20px;

  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

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

.contact-card span,
.contact-card strong {
  display: block;
}

.contact-card span {
  margin-bottom: 3px;

  color: #9fb5c7;

  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;

  text-transform: uppercase;
}

.contact-card strong {
  color: #ffffff;
}

footer {
  padding: 34px 0;

  background: #081d30;

  color: #a7bac8;

  font-size: 13px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;

  gap: 40px;
}

footer strong {
  color: #ffffff;
}

footer p {
  max-width: 500px;

  margin:
    5px
    0
    0;
}

@media (max-width: 850px) {
  .hero-grid,
  .area-grid,
  .contact-grid {
    grid-template-columns: 1fr;

    gap: 40px;
  }

  .cards {
    grid-template-columns:
      repeat(2, minmax(0, 1fr));
  }

  nav a:not(.nav-cta) {
    display: none;
  }
}

@media (max-width: 580px) {
  .container {
    width: min(
      100% - 28px,
      1120px
    );
  }

  .hero {
    padding: 62px 0;
  }

  .section {
    padding: 64px 0;
  }

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

  .header-inner {
    min-height: 68px;
  }

  .nav-cta {
    padding: 8px 11px;
  }

  .footer-inner {
    flex-direction: column;
  }
}