/* ============================================================
   OJD Drainage — design tokens
   Palette: matched to the OJD Drainage logo (droplet blues)
   ============================================================ */
:root {
  --ink: #0F232E;        /* near-black blue-navy — primary text */
  --mist: #EAF1F4;       /* pale cool grey-blue — page background */
  --mist-deep: #D6E3E9;  /* card / section fill */
  --steel: #4C7A96;      /* muted blue — mono labels / captions */
  --steel-deep: #2F5468; /* darker steel for hover/borders */
  --copper: #0074A6;     /* PRIMARY brand blue — from logo droplet/wordmark */
  --copper-deep: #00517A;/* primary hover state (logo's darkest droplet blue) */
  --teal: #008196;       /* secondary brand blue-teal — from logo droplet */
  --teal-deep: #00626F;  /* teal hover state */
  --amber: #33A2C4;      /* lightest logo blue — used as a bright highlight */
  --amber-deep: #1D7C9B;
  --grate: #0B1B22;      /* charcoal-navy — dark sections/footer */
  --paper: #F6F9FA;      /* card surface, cool white to match logo tones */
  --rust: #C2571A;       /* warm accent, reserved for the Call CTA only — contrast against the blue WhatsApp CTA */
  --rust-deep: #94420F;

  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-body: "Inter", -apple-system, Segoe UI, sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;

  --radius: 3px;
  --border: 2px solid var(--ink);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 120px; }

body {
  margin: 0;
  background: var(--mist);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.55;
  font-size: 16px;
}

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

a { color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-weight: 700;
  margin: 0 0 0.5em;
  line-height: 1.05;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.15rem; letter-spacing: 0.03em; }

p { margin: 0 0 1em; max-width: 62ch; }

.eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  color: var(--copper-deep);
  display: inline-block;
  margin-bottom: 0.6em;
}

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--mist);
  border-bottom: var(--border);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 10px;
  padding-bottom: 10px;
  gap: 16px;
  flex-wrap: wrap;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--ink);
}

.logo-img { height: 84px; width: auto; display: block; }

nav.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}

nav.main-nav a {
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink);
  border-bottom: 2px solid transparent;
  padding-bottom: 3px;
}
nav.main-nav a:hover,
nav.main-nav a[aria-current="page"] { border-bottom-color: var(--copper); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.82rem;
  text-decoration: none;
  padding: 11px 18px;
  border-radius: var(--radius);
  border: var(--border);
  transition: transform 0.12s ease, background 0.12s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible { outline: 3px solid var(--steel); outline-offset: 2px; }

.btn-copper { background: var(--copper); color: var(--paper); border-color: var(--copper-deep); }
.btn-copper:hover { background: var(--copper-deep); }

.btn-teal { background: var(--teal); color: var(--paper); border-color: var(--teal-deep); }
.btn-teal:hover { background: var(--teal-deep); }

.btn-rust { background: var(--rust); color: var(--paper); border-color: var(--rust-deep); }
.btn-rust:hover { background: var(--rust-deep); }

.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--mist); }

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

/* ---------- hero ---------- */
.hero {
  border-bottom: var(--border);
  background:
    repeating-linear-gradient(135deg, transparent 0 38px, rgba(27,34,38,0.035) 38px 39px),
    var(--mist);
  padding: 64px 0 56px;
}

.hero .wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center; }

.hero-copy .lede { font-size: 1.1rem; max-width: 46ch; }

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 22px 0 26px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.hero-badges span { display: flex; align-items: center; gap: 7px; }
.hero-badges span::before {
  content: "";
  width: 8px; height: 8px;
  background: var(--copper);
  display: inline-block;
  border-radius: 1px;
}
.hero-badges span:nth-child(2)::before { background: var(--teal); }
.hero-badges span:nth-child(3)::before { background: var(--amber); }

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

.hero-diagram { border: var(--border); background: var(--paper); padding: 18px; border-radius: var(--radius); }
.hero-diagram figcaption {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--steel-deep);
  margin-top: 10px;
  text-align: center;
}

/* ---------- sections ---------- */
section { padding: 64px 0; border-bottom: 1px solid var(--mist-deep); }
section:last-of-type { border-bottom: none; }
.section-head { max-width: 60ch; margin-bottom: 36px; }
.section-alt { background: var(--paper); }

.grid-services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
}

.card {
  background: var(--paper);
  border: var(--border);
  border-top-width: 5px;
  border-radius: var(--radius);
  padding: 22px 20px;
}
.section-alt .card { background: var(--mist); }

.card .num {
  font-family: var(--font-mono);
  color: var(--steel);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
}

.card h3 { margin-top: 8px; }
.card p { margin-bottom: 0; font-size: 0.95rem; }

/* colour accents — cycle across service/why-us cards, never all six at once in the same hue */
.card.accent-copper { border-top-color: var(--copper); }
.card.accent-copper .num { color: var(--copper-deep); }
.card.accent-teal { border-top-color: var(--teal); }
.card.accent-teal .num { color: var(--teal-deep); }
.card.accent-amber { border-top-color: var(--amber); }
.card.accent-amber .num { color: var(--amber-deep); }
.card.accent-steel { border-top-color: var(--steel); }
.card.accent-steel .num { color: var(--steel-deep); }

/* ---------- areas / pipe network diagram ---------- */
.areas-list {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  columns: 2;
  gap: 24px;
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
}
.areas-list li { break-inside: avoid; padding: 5px 0; border-bottom: 1px dotted var(--mist-deep); }
.areas-list li::before { content: "— "; color: var(--copper); }

/* ---------- pricing ---------- */
table.pricing {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-body);
  background: var(--paper);
  border: var(--border);
}
table.pricing caption { text-align: left; font-family: var(--font-body); margin-bottom: 10px; color: var(--steel-deep); font-size: 0.9rem; }
table.pricing th, table.pricing td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--mist-deep); font-size: 0.95rem; }
table.pricing thead th { font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.04em; font-weight: 600; font-size: 0.85rem; background: var(--ink); color: var(--mist); }
table.pricing tr:last-child td { border-bottom: none; }
table.pricing td.price { font-family: var(--font-display); letter-spacing: 0.01em; color: var(--copper-deep); font-weight: 600; font-size: 1.02rem; white-space: nowrap; }

.pricing-note {
  border-left: 4px solid var(--copper);
  padding: 4px 0 4px 16px;
  font-size: 0.92rem;
  margin-top: 24px;
}

/* ---------- social ---------- */
.social-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
}
.social-card {
  display: flex;
  align-items: center;
  gap: 14px;
  border: var(--border);
  background: var(--paper);
  border-radius: var(--radius);
  padding: 16px 18px;
  text-decoration: none;
  color: var(--ink);
}
.social-card:hover { background: var(--ink); color: var(--mist); }
.social-card svg { width: 26px; height: 26px; flex-shrink: 0; }
.social-card .label small { display: block; font-family: var(--font-mono); font-size: 0.72rem; opacity: 0.7; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-block + .contact-block { margin-top: 26px; }
.contact-block h3 { margin-bottom: 6px; }
.contact-block a.big-link {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  text-decoration: none;
  border-bottom: 2px solid var(--copper);
}
.contact-block a.big-link.link-teal { border-bottom-color: var(--teal); }
.contact-block a.big-link.link-amber { border-bottom-color: var(--amber); }
.contact-block a.big-link.link-rust { border-bottom-color: var(--rust); }

form.contact-form { display: grid; gap: 14px; }
form.contact-form label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 6px;
}
form.contact-form input,
form.contact-form textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 11px 12px;
  border: var(--border);
  border-radius: var(--radius);
  background: var(--mist);
  color: var(--ink);
}
form.contact-form input:focus,
form.contact-form textarea:focus { outline: 3px solid var(--steel); outline-offset: 1px; }

/* ---------- footer ---------- */
footer.site-footer { background: var(--grate); color: var(--mist); padding: 46px 0 30px; }
footer.site-footer .wrap {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 30px;
}
footer.site-footer h4 { color: var(--mist); font-size: 0.95rem; }
footer.site-footer a { text-decoration: none; color: var(--mist); opacity: 0.85; }
footer.site-footer a:hover { opacity: 1; color: var(--copper); }
footer.site-footer .fine {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  opacity: 0.6;
  margin-top: 26px;
  grid-column: 1 / -1;
}

/* ---------- responsive ---------- */
@media (max-width: 800px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  footer.site-footer .wrap { grid-template-columns: 1fr; }
  .areas-list { columns: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn:hover { transform: none; }
}