/* Kettlebrook Plumbing & Heating: navy, warm off-white and copper */
:root {
  --navy: #1d3350; --navy-2: #14243b; --sand: #f1e9dc; --paper: #faf6ee; --copper: #9f4f1c; --copper-2: #86411a;
  --ink: #1b2533; --ink-soft: #4b5869; --white: #ffffff; --line: rgba(29,51,80,.14);
  --sans: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}
body { margin: 0; font: 400 17px/1.6 var(--sans); color: var(--ink); background: var(--paper); }
img, svg { display: block; max-width: 100%; height: auto; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 clamp(18px, 4vw, 44px); }
a { color: var(--navy); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible { outline: 3px solid var(--copper); outline-offset: 2px; border-radius: 4px; }
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 300; background: var(--copper); color: #fff; padding: 10px 14px; border-radius: 6px; }
.skip-link:focus { top: 10px; }
.kicker { font: 700 12px/1.2 var(--sans); letter-spacing: .18em; text-transform: uppercase; color: var(--copper); margin: 0 0 12px; }
.muted { color: var(--ink-soft); }
.fine { font-size: 13px; color: var(--ink-soft); margin: 14px 0 0; }

/* Header */
header.top { position: sticky; top: 0; z-index: 40; background: var(--white); border-bottom: 1px solid var(--line); box-shadow: 0 2px 12px rgba(20,36,59,.06); }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 76px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--navy); }
.brand strong { display: block; font: 800 20px/1 var(--sans); letter-spacing: .02em; }
.brand small { display: block; font: 600 12px/1.2 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-soft); margin-top: 4px; }
.main-nav ul { list-style: none; display: flex; gap: clamp(20px, 2.4vw, 34px); margin: 0; padding: 0; font: 600 15px var(--sans); }
.main-nav a { display: inline-flex; align-items: center; min-height: 44px; color: var(--navy); text-decoration: none; }
.main-nav a:hover { color: var(--copper); }
.mobile-nav { display: none; position: relative; }
.mobile-nav summary { list-style: none; cursor: pointer; font: 700 13px var(--sans); color: var(--navy); border: 1px solid var(--navy); border-radius: 8px; padding: 11px 16px; min-height: 44px; box-sizing: border-box; }
.mobile-nav summary::-webkit-details-marker { display: none; }
.mobile-nav ul { position: absolute; right: 0; top: calc(100% + 10px); list-style: none; margin: 0; padding: 8px; min-width: 210px; background: var(--white); border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 16px 36px rgba(20,36,59,.18); }
.mobile-nav li a { display: block; padding: 12px 14px; color: var(--navy); text-decoration: none; font: 600 15px var(--sans); border-radius: 6px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 22px; border-radius: 8px; font: 700 15px/1.1 var(--sans); text-decoration: none; border: 2px solid transparent; cursor: pointer; }
.btn-copper { background: var(--copper); color: #fff; }
.btn-copper:hover { background: var(--copper-2); }
.btn-outline { border-color: var(--navy); color: var(--navy); background: transparent; }
.btn-outline:hover { background: var(--navy); color: #fff; }
.btn.head-cta { min-height: 44px; padding: 10px 18px; font-size: 14px; }
.btn.wide { width: 100%; }
.btn[disabled] { background: var(--sand); color: var(--navy); border-color: var(--line); cursor: not-allowed; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 0; }

/* Hero */
.hero { background: linear-gradient(180deg, var(--sand), var(--paper)); padding: clamp(50px, 7vw, 96px) 0; border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: .98fr 1.02fr; gap: clamp(30px, 5vw, 64px); align-items: start; }
.hero h1 { font: 800 clamp(36px, 4.2vw, 56px)/1.08 var(--sans); letter-spacing: -.02em; color: var(--navy); margin: 0 0 18px; text-wrap: balance; }
.hero h1 span { display: block; margin-top: .12em; font-size: .82em; color: var(--copper); }
.lede { font-size: clamp(18px, 1.8vw, 20px); color: var(--ink-soft); max-width: 46ch; margin: 0; }
.trust { list-style: none; margin: 14px 0 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.trust li { flex: 1 1 12rem; max-width: 21rem; align-content: center; font: 600 14px/1.4 var(--sans); text-align: center; text-wrap: balance; color: var(--navy); background: var(--white); border: 1px solid var(--line); border-radius: 999px; padding: 9px 14px; }
.trust li::before { content: "✓ "; color: var(--copper); font-weight: 700; }
.hero-media { margin: 0; overflow: hidden; border-radius: 6px; background: var(--sand); box-shadow: 0 14px 30px rgba(20,36,59,.14); }
.hero-media img { width: 100%; }

/* Section heads */
.section-head { margin-bottom: 38px; max-width: 760px; }
.section-head h2 { font: 800 clamp(30px, 3.8vw, 42px)/1.12 var(--sans); letter-spacing: -.01em; color: var(--navy); margin: 0 0 12px; }
.section-head p { margin: 0; }

/* Services */
.services { padding: clamp(60px, 8vw, 96px) 0; }
.services .section-head { margin-bottom: 26px; }
.service-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: clamp(26px, 5vw, 64px); border-top: 2px solid var(--navy); }
.service { display: grid; grid-template-columns: 48px minmax(0, 1fr); grid-template-rows: auto 1fr auto; column-gap: clamp(12px, 2vw, 20px); padding: clamp(16px, 2vw, 26px) 0; border-bottom: 1px solid var(--line); }
.service svg { grid-row: 1 / span 3; align-self: start; width: 48px; height: 48px; padding: 7px; border-radius: 5px; background: var(--sand); fill: none; stroke: var(--navy); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.service .icon-accent { stroke: var(--copper); }
.service h3, .service p, .service .arrow { grid-column: 2; }
.service h3 { font: 700 20px/1.25 var(--sans); color: var(--navy); margin: 0 0 6px; }
.service p { margin: 0 0 4px; color: var(--ink-soft); font-size: 16px; }
.service .arrow { justify-self: start; display: inline-flex; align-items: center; gap: 6px; min-height: 44px; font: 700 14px var(--sans); color: var(--copper); text-decoration: none; }
.service .arrow::after { content: " →"; }
.service .arrow:hover { text-decoration: underline; }

/* Process */
.process { background: var(--navy); color: #eef3f8; padding: clamp(60px, 8vw, 96px) 0; }
.process .kicker { color: #f0b48a; }
.process .section-head h2 { color: #fff; }
.steps { --step-gap: clamp(24px, 4vw, 48px); list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--step-gap); }
.steps li { position: relative; min-width: 0; }
.steps li:not(:last-child)::after { content: ""; position: absolute; left: 40px; right: calc(-1 * var(--step-gap)); top: 19px; height: 3px; background: rgba(240,180,138,.48); pointer-events: none; }
.steps .num { position: relative; z-index: 1; display: inline-grid; place-items: center; width: 40px; height: 40px; border: 2px solid #c69270; border-radius: 50%; background: var(--sand); color: var(--navy); font: 800 17px var(--sans); margin-bottom: 14px; }
.steps h3 { font: 700 20px/1.3 var(--sans); margin: 0 0 10px; color: #fff; }
.steps p { margin: 0; max-width: 34ch; color: #d4dee9; }

/* About */
.about { padding: clamp(60px, 8vw, 96px) 0; background: var(--sand); }
.about-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: clamp(30px, 5vw, 64px); align-items: center; }
.about-photo { margin: 0; border-radius: 14px; overflow: hidden; border: 1px solid var(--line); background: var(--white); }
.about-photo img { width: 100%; height: auto; }
.about h2 { font: 800 clamp(28px, 3.4vw, 38px)/1.14 var(--sans); color: var(--navy); margin: 0 0 14px; }
.about p { margin: 0 0 14px; }

/* Contact / booking */
.contact { padding: clamp(60px, 8vw, 96px) 0; }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(30px, 5vw, 60px); align-items: center; }
.contact h2 { font: 800 clamp(28px, 3.4vw, 40px)/1.15 var(--sans); color: var(--navy); margin: 0 0 12px; }
.contact-intro .muted { margin: 0; max-width: 40ch; }
.mini-steps { margin: 24px 0 0; padding-left: 22px; color: var(--ink); display: grid; gap: 14px; }
.booking { background: var(--white); border: 1px solid var(--line); border-radius: 16px; padding: 26px; box-shadow: 0 18px 40px rgba(20,36,59,.10); display: grid; gap: 16px; }
.booking:focus-visible { outline: 3px solid var(--copper); outline-offset: 2px; }
.booking .fine { margin: 0; }
.booking label { display: grid; gap: 6px; min-width: 0; font: 600 14px var(--sans); color: var(--navy); }
.booking input, .booking select, .booking textarea { font: 400 16px var(--sans); color: var(--ink); background: #fbfcfd; border: 1px solid #b9c5d3; border-radius: 8px; padding: 11px 12px; min-height: 46px; box-sizing: border-box; width: 100%; }
.booking textarea { min-height: 92px; resize: vertical; }
.field-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.slots { border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; margin: 0; min-width: 0; display: grid; gap: 10px; }
.slots legend { font: 600 14px var(--sans); color: var(--navy); padding: 0 6px; }
.slots { grid-template-columns: repeat(3, 1fr); }
.booking label.slot { display: flex; align-items: center; gap: 8px; font-weight: 500; border: 1px dashed #b9c5d3; border-radius: 8px; padding: 10px; }
.slot input { width: auto; min-height: 0; margin: 0; accent-color: var(--navy); }

/* Footer */
.site-foot { background: #0f1c2e; color: #b8c4d2; font: 400 14px/1.6 var(--sans); padding: 30px 0; }
.foot-grid { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px 30px; }
.foot-grid p { margin: 0; max-width: 74ch; }
.foot-grid a { color: #ffd2b5; }

/* Responsive */
@media (max-width: 900px) {
  .main-nav { display: none; }
  .mobile-nav { display: block; }
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 0; }
  .steps li { display: grid; grid-template-columns: 40px minmax(0, 1fr); column-gap: 16px; }
  .steps li:not(:last-child) { padding-bottom: 28px; }
  .steps li:not(:last-child)::after { left: 19px; right: auto; top: 40px; bottom: 0; width: 3px; height: auto; }
  .steps .num { grid-row: 1 / span 2; align-self: start; margin: 0; }
  .steps h3, .steps p { grid-column: 2; }
  .steps h3 { margin-top: 5px; }
}
@media (max-width: 640px) {
  .bar { min-height: 66px; }
  .brand strong { font-size: 17px; }
  .brand small { font-size: 10px; }
  .head-cta { display: none; }
  .cta .btn { flex: 1 1 100%; }
  .service-grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .slots { grid-template-columns: 1fr; }
  .booking { padding: 20px; }
}
/* Remediation 2026-11-06: WCAG AA contrast and focus fixes. */
/* Form fields show the ring on any focus, including the date field's built-in calendar button (only :focus-within matches there). */
.booking input:focus, .booking input:focus-within, .booking select:focus, .booking textarea:focus { outline: 3px solid var(--copper); outline-offset: 2px; }
/* Light focus ring on the dark footer (copper would be 2.9:1 on navy). */
.site-foot a:focus-visible { outline-color: #ffd2b5; }
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; animation: none !important; } }