/* Water Concepts — modern static site */
:root {
  --teal-900: #064e56;
  --teal-800: #0b6e7a;
  --teal-700: #0e8a99;
  --teal-100: #e6f5f7;
  --teal-50: #f3fafb;
  --blue-900: #0a3d5c;
  --ink: #1a2b33;
  --muted: #5a6d75;
  --line: #d5e3e7;
  --white: #ffffff;
  --shadow: 0 10px 30px rgba(6, 78, 86, 0.08);
  --radius: 14px;
  --max: 1120px;
  --font: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--teal-50);
  line-height: 1.6;
  min-height: 100vh;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--teal-800); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--teal-900); }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--teal-800);
  color: var(--white);
  padding: 0.75rem 1rem;
  z-index: 1000;
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.25rem;
  padding-block: 0.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
  min-width: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.brand-text strong {
  font-size: 1.05rem;
  color: var(--teal-900);
}
.brand-text span {
  font-size: 0.78rem;
  color: var(--muted);
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--white);
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle-bar {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: var(--teal-900);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem;
  justify-content: flex-end;
}
.site-nav a {
  display: block;
  padding: 0.45rem 0.55rem;
  border-radius: 8px;
  text-decoration: none;
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 600;
}
.site-nav a:hover,
.site-nav a.is-active {
  background: var(--teal-100);
  color: var(--teal-900);
}

@media (max-width: 980px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }
  .site-nav.is-open { max-height: 80vh; overflow-y: auto; }
  .site-nav ul {
    flex-direction: column;
    padding: 0.75rem 1rem 1.25rem;
    gap: 0.25rem;
  }
  .site-nav a { padding: 0.7rem 0.85rem; font-size: 0.95rem; }
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 85% 15%, rgba(14, 138, 153, 0.25), transparent 40%),
    linear-gradient(135deg, var(--teal-900), var(--blue-900) 55%, #0a5c6e);
  color: var(--white);
  padding: 4rem 0 3.5rem;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -40% 40%;
  height: 280px;
  background: radial-gradient(ellipse, rgba(232, 247, 249, 0.18), transparent 70%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; max-width: 40rem; }
.hero-kicker {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.85;
  margin-bottom: 0.75rem;
  font-weight: 700;
}
.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.2;
  font-weight: 750;
}
.hero p {
  margin: 0 0 1.5rem;
  font-size: 1.05rem;
  opacity: 0.92;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.2rem;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  border: 2px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--white);
  color: var(--teal-900);
}
.btn-primary:hover { background: var(--teal-100); color: var(--teal-900); }
.btn-ghost {
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--white);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.12); color: var(--white); }
.btn-solid {
  background: var(--teal-800);
  color: var(--white);
}
.btn-solid:hover { background: var(--teal-900); color: var(--white); }

/* Sections */
.section { padding: 3rem 0; }
.section-alt { background: var(--white); }
.section-head {
  margin-bottom: 1.75rem;
  max-width: 40rem;
}
.section-head h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  color: var(--teal-900);
}
.section-head p { margin: 0; color: var(--muted); }

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0 0;
}
.pill {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 650;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}
.service-card {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.service-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--teal-700), var(--teal-900));
}
.service-card:hover {
  transform: translateY(-3px);
  border-color: #b6d8de;
  color: inherit;
}
.service-card .icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 10px;
  background: var(--teal-100);
  color: var(--teal-800);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 0.85rem;
}
.service-card h3 {
  margin: 0;
  font-size: 1.05rem;
  color: var(--teal-900);
}
.service-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  flex: 1;
}
.service-card .more {
  font-weight: 700;
  color: var(--teal-800);
  font-size: 0.9rem;
}

.values {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-top: 1.5rem;
}
.value {
  background: var(--teal-50);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem;
  text-align: center;
  font-weight: 750;
  color: var(--teal-900);
  letter-spacing: 0.02em;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.5rem;
  align-items: stretch;
}
@media (max-width: 800px) {
  .about-grid { grid-template-columns: 1fr; }
}
.panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}
.panel h2 { margin-top: 0; color: var(--teal-900); }
.cta-panel {
  background: linear-gradient(145deg, var(--teal-800), var(--blue-900));
  color: var(--white);
  border: none;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.cta-panel h2 { color: var(--white); }
.cta-panel p { opacity: 0.92; }
.cta-panel .btn-primary { align-self: flex-start; margin-top: 0.5rem; }

/* Page hero (inner pages) */
.page-hero {
  background: linear-gradient(135deg, var(--teal-900), var(--blue-900));
  color: var(--white);
  padding: 2.5rem 0 2rem;
}
.page-hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.5rem, 3.5vw, 2.1rem);
  line-height: 1.25;
}
.page-hero p {
  margin: 0;
  max-width: 42rem;
  opacity: 0.92;
}
.breadcrumb {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  opacity: 0.8;
}
.breadcrumb a { color: var(--white); }

.content-wrap { padding: 2.25rem 0 3rem; }

.offer-block + .offer-block { margin-top: 1.5rem; }
.offer-block h2 {
  margin: 0 0 0.75rem;
  color: var(--teal-900);
  font-size: 1.2rem;
}
.offer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}
.offer-list li {
  position: relative;
  padding: 0.85rem 1rem 0.85rem 2.6rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(6, 78, 86, 0.04);
}
.offer-list li::before {
  content: "";
  position: absolute;
  left: 0.95rem;
  top: 1.1rem;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--teal-700);
  box-shadow: inset 0 0 0 3px var(--teal-100);
}

.contact-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
  box-shadow: var(--shadow);
  margin-top: 1.25rem;
}
.contact-card h3 {
  margin: 0 0 0.35rem;
  color: var(--teal-900);
  font-size: 1rem;
}
.contact-card p { margin: 0.15rem 0; color: var(--muted); }
.contact-card a { font-weight: 650; }

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}
.contact-person {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.contact-person::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--teal-700);
}
.contact-person h2 {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
  color: var(--teal-900);
}
.contact-person dl { margin: 0; }
.contact-person dt {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-top: 0.55rem;
}
.contact-person dd { margin: 0.15rem 0 0; font-weight: 650; }
.contact-person a { text-decoration: none; }
.contact-person a:hover { text-decoration: underline; }

.company-box {
  margin-top: 1.5rem;
  background: linear-gradient(145deg, var(--teal-100), var(--white));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.company-box h2 { margin-top: 0; color: var(--teal-900); }
.company-box p { margin: 0.35rem 0; }

.audience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}
.audience-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}
.audience-card h3 {
  margin: 0 0 0.5rem;
  color: var(--teal-900);
  font-size: 1rem;
}
.audience-card p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.prose {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}
.prose p { margin-top: 0; }
.prose p:last-child { margin-bottom: 0; }

/* Footer */
.site-footer {
  background: #062f36;
  color: #d7e9ec;
  padding: 3rem 0 0;
  margin-top: auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.75rem;
  padding-bottom: 2rem;
}
.footer-title {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  color: var(--white);
}
.site-footer p { margin: 0 0 0.75rem; color: #b7ced3; font-size: 0.92rem; }
.footer-company { line-height: 1.7; }
.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-links li { margin-bottom: 0.4rem; }
.site-footer a { color: #9fd4dc; text-decoration: none; }
.site-footer a:hover { color: var(--white); text-decoration: underline; }
.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}
.badge-row img {
  background: var(--white);
  border-radius: 8px;
  padding: 0.35rem;
  width: 120px;
  height: auto;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem 0 1.25rem;
}
.footer-bottom p {
  margin: 0;
  font-size: 0.85rem;
  color: #8fb4bb;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .service-card, .nav-toggle-bar { transition: none; }
}