/* Cascade Water Treatment — launch site
   Palette: slate #1B2838 · soft white #F7F9FB · teal #2A9D8F · green #2F7858 · grey #8A939E */

:root {
  --slate: #1B2838;
  --soft-white: #F7F9FB;
  --teal: #2A9D8F;
  --teal-dark: #238578;
  --green: #2F7858;
  --grey: #8A939E;
  --white: #ffffff;
  --border: rgba(27, 40, 56, 0.1);
  --shadow: 0 12px 40px rgba(27, 40, 56, 0.08);
  --radius: 14px;
  --header-h: 5.75rem;
  --max: 68rem;
  --font: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 0.75rem);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--slate);
  background: var(--soft-white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--teal-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--slate);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

h1, h2, h3 {
  line-height: 1.15;
  font-weight: 650;
  letter-spacing: -0.02em;
  margin: 0 0 0.65em;
}

h1 { font-size: clamp(2rem, 5.5vw, 3.35rem); }
h2 { font-size: clamp(1.55rem, 3.5vw, 2.15rem); }
h3 { font-size: 1.15rem; margin-bottom: 0.4em; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

ul { margin: 0; padding: 0; list-style: none; }

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

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 1000;
  background: var(--slate);
  color: var(--white);
  padding: 0.65rem 1rem;
  border-radius: 8px;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
  color: var(--white);
}

.eyebrow {
  display: inline-block;
  margin: 0 0 0.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
}

.muted { color: var(--grey); }
.lede-note {
  color: var(--grey);
  font-size: 0.98rem;
  margin-top: -0.35rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.85rem;
  padding: 0.7rem 1.25rem;
  border-radius: 999px;
  border: 1.5px solid transparent;
  font: inherit;
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--teal);
  color: var(--white);
  border-color: var(--teal);
}

.btn-primary:hover {
  background: var(--teal-dark);
  border-color: var(--teal-dark);
  color: var(--white);
}

.btn-secondary {
  background: var(--white);
  color: var(--slate);
  border-color: rgba(27, 40, 56, 0.18);
}

.btn-secondary:hover {
  border-color: var(--teal);
  color: var(--slate);
}

.btn-ghost {
  background: transparent;
  color: var(--soft-white);
  border-color: rgba(247, 249, 251, 0.45);
}

.btn-ghost:hover {
  background: rgba(247, 249, 251, 0.1);
  color: var(--white);
  border-color: var(--soft-white);
}

.btn-sm {
  min-height: 2.4rem;
  padding: 0.45rem 1rem;
  font-size: 0.9rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 1.25rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 249, 251, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 4px 24px rgba(27, 40, 56, 0.05);
}

.header-inner {
  width: min(100% - 1.5rem, var(--max));
  margin-inline: auto;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.logo {
  width: auto;
  height: 4.35rem;
  object-fit: contain;
  transition: transform 0.2s var(--ease);
}

.logo-link:hover .logo,
.logo-link:focus-visible .logo {
  transform: scale(1.02);
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--white);
  padding: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 1.15rem;
  height: 2px;
  background: var(--slate);
  border-radius: 2px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.nav-list a {
  display: block;
  padding: 0.45rem 0.7rem;
  color: var(--slate);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 550;
  border-radius: 8px;
}

.nav-list a:hover {
  color: var(--teal-dark);
  background: rgba(42, 157, 143, 0.08);
}

@media (max-width: 820px) {
  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
    padding: 1rem 1.25rem 1.25rem;
    background: var(--soft-white);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open { display: flex; }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.15rem;
  }

  .nav-list a {
    padding: 0.8rem 0.85rem;
    font-size: 1.05rem;
  }

  .header-cta {
    width: 100%;
  }
}

/* Hero */
.hero {
  position: relative;
  isolation: isolate;
  color: var(--soft-white);
  min-height: min(88vh, 42rem);
  display: flex;
  align-items: flex-end;
  padding: 4.5rem 0 3.5rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 45%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(105deg, rgba(27, 40, 56, 0.88) 0%, rgba(27, 40, 56, 0.72) 48%, rgba(27, 40, 56, 0.45) 100%),
    linear-gradient(to top, rgba(27, 40, 56, 0.55), transparent 45%);
}

.hero-content {
  max-width: 40rem;
  margin-left: max(1rem, calc((100% - var(--max)) / 2));
  margin-right: 1rem;
  width: auto;
}

.hero .eyebrow {
  color: #7fd4c8;
}

.hero h1 {
  color: var(--white);
  margin-bottom: 0.85rem;
}

.lede {
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  line-height: 1.6;
  color: rgba(247, 249, 251, 0.92);
  max-width: 36rem;
}

.hero .lede-note {
  color: rgba(247, 249, 251, 0.7);
}

.hero-towns {
  margin: 0;
  font-size: 0.88rem;
  letter-spacing: 0.02em;
  color: rgba(247, 249, 251, 0.65);
}

/* Sections */
.section {
  padding: 4.5rem 0;
}

.section-head {
  max-width: 38rem;
  margin-bottom: 2.25rem;
}

.section-intro {
  color: var(--grey);
  font-size: 1.05rem;
  margin: 0;
}


.hero-brand {
  display: inline-flex;
  align-items: center;
  margin: 0 0 1.15rem;
  padding: 0.55rem 0.75rem;
  background: rgba(247, 249, 251, 0.94);
  border-radius: 12px;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
}

.hero-brand img {
  width: auto;
  height: 4.75rem;
  object-fit: contain;
  display: block;
}

@media (max-width: 640px) {
  .hero-brand img {
    height: 3.75rem;
  }
}

/* Services cards */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 980px) {
  .card-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem 1.35rem 1.5rem;
  box-shadow: 0 1px 0 rgba(27, 40, 56, 0.03);
  height: 100%;
}

.card p {
  color: var(--grey);
  font-size: 0.98rem;
  margin: 0;
}

.card-accent {
  border-color: rgba(42, 157, 143, 0.35);
  box-shadow: 0 10px 30px rgba(42, 157, 143, 0.08);
  position: relative;
}

.card-tag {
  display: inline-block;
  margin: 0 0 0.65rem !important;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(42, 157, 143, 0.12);
  color: var(--teal-dark) !important;
  font-size: 0.72rem !important;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Signature */
.signature {
  background: var(--white);
  border-block: 1px solid var(--border);
}

.signature-layout {
  display: grid;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 900px) {
  .signature-layout {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
  }
}

.signature-copy .section-intro {
  margin-bottom: 1rem;
  color: var(--slate);
  font-size: 1.08rem;
}

.check-list {
  margin: 1.25rem 0 1rem;
  display: grid;
  gap: 0.65rem;
}

.check-list li {
  position: relative;
  padding-left: 1.55rem;
  color: var(--slate);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--green);
  box-shadow: inset 0 0 0 3px rgba(247, 249, 251, 0.95);
  outline: 2px solid var(--green);
}

.signature-figure {
  margin: 0;
  border-radius: calc(var(--radius) + 2px);
  overflow: hidden;
  background: var(--soft-white);
  box-shadow: var(--shadow);
}

.signature-figure img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: center 40%;
}

.signature-figure figcaption {
  padding: 0.85rem 1.1rem 1rem;
  font-size: 0.88rem;
  color: var(--grey);
}

/* Inspect / pricing */
.inspect {
  background: var(--soft-white);
}

.price-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 560px) {
  .price-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .price-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

.price-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem 1.2rem 1.4rem;
}

.price-featured {
  border-color: rgba(42, 157, 143, 0.45);
  background: linear-gradient(180deg, rgba(42, 157, 143, 0.08), var(--white) 55%);
}

.price-card h3 {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--grey);
  letter-spacing: 0.01em;
  margin-bottom: 0.55rem;
}

.price {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--slate);
  margin: 0 0 0.4rem;
  line-height: 1;
}

.price .currency {
  font-size: 1.15rem;
  font-weight: 650;
  vertical-align: top;
  margin-right: 0.05rem;
}

.price .from {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--grey);
  letter-spacing: 0;
  margin-right: 0.15rem;
}

.price-note {
  margin: 0;
  font-size: 0.9rem;
  color: var(--grey);
  line-height: 1.45;
}

.inspect-cta {
  margin-top: 2.25rem;
  padding: 1.5rem 1.5rem 1.6rem;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--border);
}

.inspect-cta p {
  margin-bottom: 0.25rem;
}

.inspect-cta .hero-actions {
  margin-bottom: 0;
}

/* Credentials */
.credentials {
  background: var(--slate);
  color: var(--soft-white);
  padding: 2.75rem 0;
}

.cred-strip {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 800px) {
  .cred-strip {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

.cred-strip li {
  display: grid;
  gap: 0.3rem;
}

.cred-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #7fd4c8;
}

.cred-value {
  font-size: 1.1rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.cred-sub {
  font-size: 0.92rem;
  color: rgba(247, 249, 251, 0.65);
}

/* Footer */
.site-footer {
  background: #15202c;
  color: rgba(247, 249, 251, 0.88);
  padding-top: 3.5rem;
}

.site-footer a {
  color: #9fe0d6;
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--white);
  text-decoration: underline;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  padding-bottom: 2.5rem;
}

@media (min-width: 800px) {
  .footer-grid {
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 2.5rem;
  }
}

.logo-footer {
  height: 4.75rem;
  margin-bottom: 1rem;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.96);
  padding: 0.4rem 0.55rem;
}

.tagline {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.corp-note {
  font-size: 0.85rem;
  color: rgba(247, 249, 251, 0.5);
  margin: 0.35rem 0 0;
}

.footer-contact h2,
.footer-towns h2 {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #7fd4c8;
  margin-bottom: 0.9rem;
}

.contact-list {
  display: grid;
  gap: 0.85rem;
}

.contact-label {
  display: block;
  font-size: 0.78rem;
  color: rgba(247, 249, 251, 0.5);
  margin-bottom: 0.15rem;
}

.contact-list a,
.contact-list span:not(.contact-label) {
  font-size: 1.05rem;
  font-weight: 550;
}

.footer-towns p {
  color: rgba(247, 249, 251, 0.7);
  max-width: 22rem;
}

.footer-bottom {
  border-top: 1px solid rgba(247, 249, 251, 0.08);
  padding: 1.15rem 0 1.35rem;
}

.footer-bottom-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
  font-size: 0.88rem;
  color: rgba(247, 249, 251, 0.55);
}

.footer-bottom p { margin: 0; }

/* Mobile hero tweaks */
@media (max-width: 640px) {
  .hero {
    min-height: auto;
    padding: 3.25rem 0 2.75rem;
    align-items: center;
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(27, 40, 56, 0.82) 0%, rgba(27, 40, 56, 0.78) 100%);
  }

  .hero-actions .btn {
    width: 100%;
  }

  .logo {
    height: 3.5rem;
  }

  .logo-footer {
    height: 4rem;
  }

  .section {
    padding: 3.25rem 0;
  }
}

/* --- SEO sections: service area + FAQ (minimal, match existing) --- */
.service-area {
  background: var(--white);
  border-block: 1px solid var(--border);
}

.area-panels {
  display: grid;
  gap: 1rem;
}

@media (min-width: 720px) {
  .area-panels {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }
}

.area-panel {
  background: var(--soft-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem 1.35rem 1.4rem;
}

.area-panel h3 {
  margin-bottom: 0.85rem;
}

.area-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem 1rem;
}

.area-list li {
  position: relative;
  padding-left: 0.9rem;
  color: var(--slate);
  font-size: 0.98rem;
}

.area-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: var(--teal);
}

.area-note {
  margin: 1rem 0 0;
  font-size: 0.92rem;
}

.faq {
  background: var(--soft-white);
}

.faq-list {
  display: grid;
  gap: 0.75rem;
  max-width: 46rem;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0;
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 1rem 1.2rem;
  font-weight: 650;
  color: var(--slate);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--teal);
  font-weight: 700;
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-answer {
  padding: 0 1.2rem 1.15rem;
  color: var(--grey);
  font-size: 0.98rem;
}

.faq-answer p {
  margin: 0;
}