/* ===== Design Tokens ===== */
:root {
  --navy: #16284d;
  --navy-dark: #0c1a33;
  --brown: #5a3a20;
  --brown-dark: #3d2712;
  --gold: #c9a355;
  --gold-light: #e6cd94;
  --cream: #f7f4ee;
  --white: #ffffff;
  --green: #4c7a3d;
  --text: #1c2333;
  --text-muted: #55617a;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(12, 26, 51, 0.12);
  --font-head: "Poppins", sans-serif;
  --font-body: "Inter", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--cream);
  line-height: 1.6;
}

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

h1, h2, h3 {
  font-family: var(--font-head);
  color: var(--navy);
  line-height: 1.2;
  margin: 0 0 0.5em;
}

p { margin: 0 0 1em; }

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

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--navy);
  color: var(--white);
  padding: 10px 16px;
  z-index: 1000;
}
.skip-link:focus { left: 12px; top: 12px; }

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 22px;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--gold);
  color: var(--navy-dark);
  box-shadow: 0 6px 18px rgba(201, 163, 85, 0.4);
}
.btn-primary:hover { background: var(--gold-light); }

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-outline:hover { background: rgba(255,255,255,0.15); }

.btn-ghost {
  background: transparent;
  color: var(--navy);
  border-color: transparent;
}
.btn-ghost:hover { color: var(--gold); }

.btn-lg { padding: 15px 30px; font-size: 1.05rem; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 244, 238, 0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(12,26,51,0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 8px;
  padding-bottom: 8px;
}

.brand-logo { height: 58px; width: auto; }

.main-nav {
  display: flex;
  gap: 28px;
  font-weight: 600;
  font-family: var(--font-head);
  font-size: 0.95rem;
}
.main-nav a { color: var(--navy); }
.main-nav a:hover { color: var(--gold); }

.header-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 26px;
  height: 3px;
  background: var(--navy);
  border-radius: 2px;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  background: var(--navy-dark);
  color: var(--white);
  overflow: hidden;
}
.hero-media img {
  width: 100%;
  height: auto;
  display: block;
}
.hero-content {
  text-align: center;
  padding: 40px 24px 56px;
}
.hero-content h1 {
  color: var(--white);
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}
.hero-content p {
  max-width: 620px;
  margin: 0 auto 1.5em;
  color: #d7ddea;
  font-size: 1.05rem;
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== Trust Strip ===== */
.trust-strip {
  background: var(--navy);
  color: var(--white);
  padding: 22px 0;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  text-align: center;
}
.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
}
.trust-icon { font-size: 1.6rem; }

/* ===== Sections ===== */
.section { padding: 76px 0; }
.section-heading {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 44px;
}
.eyebrow {
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  font-size: 0.82rem;
  margin-bottom: 8px;
}
.section-lead { color: var(--text-muted); }

/* ===== Services ===== */
.services { background: var(--cream); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-bottom: 48px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 30px 22px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid rgba(12,26,51,0.06);
}
.service-icon { font-size: 2.2rem; display: block; margin-bottom: 14px; }
.service-card h3 { font-size: 1.05rem; }
.service-card p { color: var(--text-muted); font-size: 0.92rem; margin-bottom: 0; }

.service-badge-link {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--navy);
  background: var(--gold-light);
  padding: 5px 12px;
  border-radius: 999px;
}
.service-badge-link:hover { background: var(--gold); }

.services-banner img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ===== WYSIWASH ===== */
.wysiwash { background: var(--navy-dark); color: #d7ddea; }
.wysiwash .eyebrow { color: var(--gold-light); }
.wysiwash-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.wysiwash-logo {
  font-size: clamp(2rem, 4vw, 2.6rem);
  letter-spacing: 0.01em;
  margin-bottom: 0;
}
.wysiwash-logo .wysi { color: var(--white); }
.wysiwash-logo .wash { color: #6fbf6a; }
.wysiwash-tagline {
  font-family: var(--font-head);
  font-weight: 600;
  color: var(--gold-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.85rem;
  margin-bottom: 20px;
}
.wysiwash-copy p { color: #b9c1d6; }
.pathogen-grid {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.pathogen-grid li {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--white);
}
.pathogen-grid li::before {
  content: "✓ ";
  color: #6fbf6a;
}
.wysiwash-disclaimer {
  font-size: 0.78rem;
  color: #8b93a8;
  margin-bottom: 0;
}

/* ===== How It Works ===== */
.how-it-works { background: var(--white); }
.how-it-works-img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin: 0 auto 48px;
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  text-align: center;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--navy-dark);
  font-family: var(--font-head);
  font-weight: 800;
  margin-bottom: 12px;
}
.step p { color: var(--text-muted); }

/* ===== Before / After ===== */
.before-after { background: var(--cream); }
.ba-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 640px;
  margin: 0 auto;
}
.ba-grid figure { margin: 0; }
.ba-grid img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ===== About ===== */
.about { background: var(--white); }
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
}
.about-copy p { color: var(--text-muted); }
.about-media img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ===== Service Area ===== */
.service-area { background: var(--navy); color: var(--white); }
.service-area .eyebrow { color: var(--gold-light); }
.service-area h2 { color: var(--white); }
.service-area .section-lead { color: #c3cbdd; }
.city-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 640px;
  margin: 0 auto;
}
.city-grid li {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 999px;
  text-align: center;
  padding: 12px 10px;
  font-family: var(--font-head);
  font-weight: 600;
}

/* ===== Contact ===== */
.contact { background: var(--cream); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 56px;
  align-items: start;
}
.contact-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-weight: 600;
}
.contact-list a:hover { color: var(--brown); }

.contact-form {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 34px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.contact-form label {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.88rem;
  margin-top: 12px;
  color: var(--navy);
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 11px 14px;
  border: 1.5px solid #d9d4c8;
  border-radius: 8px;
  background: var(--cream);
  color: var(--text);
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--gold);
}
.contact-form button { margin-top: 20px; }
.hidden-field { position: absolute; left: -9999px; }

/* ===== Footer ===== */
.site-footer {
  background: var(--navy-dark);
  color: #c3cbdd;
  padding-top: 48px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-logo {
  height: 60px;
  width: auto;
  margin-bottom: 10px;
  border-radius: 10px;
}
.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-weight: 600;
}
.footer-nav a:hover { color: var(--gold-light); }
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-weight: 600;
}
.footer-contact a:hover { color: var(--gold-light); }
.footer-bottom {
  text-align: center;
  font-size: 0.85rem;
  padding: 18px 0 26px;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .main-nav { display: none; }
  .header-cta .btn-ghost { display: none; }
  .nav-toggle { display: flex; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .wysiwash-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .footer-nav, .footer-contact { align-items: center; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .city-grid { grid-template-columns: repeat(2, 1fr); }

  .site-header.nav-open .main-nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--cream);
    padding: 20px 24px;
    gap: 16px;
    box-shadow: var(--shadow);
  }
}

@media (max-width: 560px) {
  .services-grid { grid-template-columns: 1fr; }
  .ba-grid { grid-template-columns: 1fr; }
  .city-grid { grid-template-columns: 1fr; }
}