/* Ready4Keys Cleaning — brand stylesheet
   Colours sampled from 01_Brand/R4K Logo.png
   Blue #14539a · Gold #d9a521 · Ink #0f2233
   No build step, no dependencies. */

:root {
  --blue: #14539a;
  --blue-dark: #0e3f77;
  --blue-tint: #eef4fb;
  --gold: #d9a521;
  --gold-tint: #fdf6e5;
  --ink: #0f2233;
  --body: #33475b;
  --muted: #6b7c8d;
  --line: #dbe4ec;
  --white: #ffffff;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(15, 34, 51, .06), 0 8px 24px -12px rgba(15, 34, 51, .18);
  --wrap: 1120px;
  --font: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.62;
  color: var(--body);
  background: var(--white);
}

h1, h2, h3, h4 { color: var(--ink); line-height: 1.2; margin: 0 0 .5em; font-weight: 700; }
h1 { font-size: clamp(1.85rem, 4.2vw, 3rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.45rem, 2.8vw, 2.1rem); letter-spacing: -.015em; }
h3 { font-size: 1.12rem; }
p { margin: 0 0 1em; }
a { color: var(--blue); }
img { max-width: 100%; display: block; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.section { padding: 68px 0; }
.section--tint { background: var(--blue-tint); }
.section--gold { background: var(--gold-tint); }
.lede { font-size: 1.08rem; color: var(--muted); max-width: 62ch; }
.center { text-align: center; }
.center .lede { margin-left: auto; margin-right: auto; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; background: var(--white); padding: 10px 14px; border-radius: 8px; z-index: 100; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  padding: 13px 22px; border-radius: 999px; font-weight: 650; font-size: 1rem;
  text-decoration: none; border: 2px solid transparent; cursor: pointer;
  transition: transform .12s ease, background .15s ease, color .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--blue); color: #fff; }
.btn--primary:hover { background: var(--blue-dark); }
.btn--gold { background: var(--gold); color: #2a1f00; }
.btn--gold:hover { background: #c4921a; }
.btn--ghost { border-color: var(--line); color: var(--ink); background: #fff; }
.btn--ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn--wide { width: 100%; }

/* ---------- header ---------- */
.hdr {
  position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--line);
}
.hdr__in { display: flex; align-items: center; gap: 18px; min-height: 72px; }
.hdr__logo img { height: 44px; width: auto; }
.hdr__nav { margin-left: auto; display: flex; align-items: center; gap: 22px; }
.hdr__nav a { color: var(--body); text-decoration: none; font-size: .95rem; font-weight: 550; }
.hdr__nav a:hover { color: var(--blue); }
.hdr__call { display: inline-flex; gap: .5em; align-items: center; }
.hdr__burger { display: none; margin-left: auto; background: none; border: 1px solid var(--line); border-radius: 9px; padding: 9px 12px; font-size: .95rem; color: var(--ink); cursor: pointer; }

@media (max-width: 900px) {
  .hdr__nav { position: absolute; inset: 100% 0 auto; flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line); padding: 8px 20px 18px; display: none; }
  .hdr__nav[data-open="true"] { display: flex; }
  .hdr__nav a { padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 1.05rem; }
  .hdr__nav .btn { margin-top: 14px; }
  .hdr__burger { display: block; }
}

/* ---------- hero ---------- */
.hero { padding: 54px 0 60px; background: linear-gradient(180deg, #fff 0%, var(--blue-tint) 100%); }
.hero__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 46px; align-items: center; }
.hero h1 { margin-bottom: .35em; }
.hero__sub { font-size: 1.13rem; color: var(--body); max-width: 46ch; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 18px; }
.hero__note { font-size: .93rem; color: var(--muted); }
@media (max-width: 880px) { .hero__grid { grid-template-columns: 1fr; gap: 34px; } }

.badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; padding: 0; list-style: none; }
.badge-row li {
  font-size: .84rem; font-weight: 600; color: var(--blue-dark);
  background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px;
}

/* ---------- before / after slider ---------- */
.ba {
  --pos: 50%;
  position: relative; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); background: #111; user-select: none;
  aspect-ratio: 3 / 4; max-width: 460px;
}
.ba img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.ba__top { position: absolute; inset: 0; clip-path: inset(0 calc(100% - var(--pos)) 0 0); }
.ba__handle {
  position: absolute; top: 0; bottom: 0; left: 50%; width: 3px; background: #fff;
  transform: translateX(-50%); pointer-events: none; box-shadow: 0 0 0 1px rgba(0,0,0,.15);
}
.ba__knob {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 46px; height: 46px; border-radius: 50%; background: #fff; color: var(--ink);
  display: grid; place-items: center; font-size: 1.1rem; font-weight: 700; pointer-events: none;
  box-shadow: 0 2px 12px rgba(0,0,0,.35);
}
.ba__range { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: ew-resize; margin: 0; }
.ba__tag {
  position: absolute; bottom: 12px; font-size: .78rem; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; background: rgba(15, 34, 51, .78); color: #fff; padding: 5px 11px; border-radius: 999px;
}
.ba__tag--before { left: 12px; }
.ba__tag--after { right: 12px; }
.ba__cap { font-size: .88rem; color: var(--muted); margin-top: 12px; }

/* ---------- trust strip ---------- */
.trust { background: var(--ink); color: #dfe8f1; padding: 26px 0; }
.trust ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.trust li { display: flex; gap: 10px; align-items: flex-start; font-size: .95rem; }
.trust strong { color: #fff; display: block; font-weight: 650; }
.trust span { color: #a9bccd; font-size: .87rem; }
.trust .tick { color: var(--gold); font-weight: 700; }
@media (max-width: 860px) { .trust ul { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .trust ul { grid-template-columns: 1fr; } }

/* ---------- cards / grids ---------- */
.grid { display: grid; gap: 18px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid--3, .grid--4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .grid--3, .grid--4, .grid--2 { grid-template-columns: 1fr; } }

.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card h3 { display: flex; align-items: center; gap: .5em; }
.card ul { margin: 0; padding-left: 1.1em; }
.card li { margin-bottom: .35em; font-size: .96rem; }
.card__icon { font-size: 1.25rem; }

/* ---------- step list ---------- */
.steps { counter-reset: step; list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.steps li { counter-increment: step; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.steps li::before {
  content: counter(step); display: grid; place-items: center; width: 32px; height: 32px;
  border-radius: 50%; background: var(--blue); color: #fff; font-weight: 700; margin-bottom: 12px; font-size: .95rem;
}
.steps h3 { font-size: 1rem; margin-bottom: .3em; }
.steps p { font-size: .93rem; margin: 0; color: var(--muted); }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .steps { grid-template-columns: 1fr; } }

/* ---------- price table ---------- */
.panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; font-size: 1rem; }
caption { text-align: left; padding: 18px 22px 10px; font-weight: 700; color: var(--ink); font-size: 1.05rem; }
th, td { padding: 13px 22px; text-align: left; border-bottom: 1px solid var(--line); }
th { font-size: .8rem; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); font-weight: 700; background: #f8fbfe; }
tbody tr:last-child td { border-bottom: 0; }
td.price, th.price { text-align: right; font-variant-numeric: tabular-nums; font-weight: 650; color: var(--ink); white-space: nowrap; }
.tbl-note { padding: 14px 22px 20px; font-size: .9rem; color: var(--muted); margin: 0; }

/* ---------- gallery ---------- */
.gal { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.gal figure { margin: 0; border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--line); background: #fff; }
.gal img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.gal figcaption { font-size: .85rem; color: var(--muted); padding: 10px 12px; }
@media (max-width: 760px) { .gal { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .gal { grid-template-columns: 1fr; } }

/* ---------- FAQ ---------- */
.faq { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; overflow: hidden; }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:last-child { border-bottom: 0; }
.faq summary { cursor: pointer; padding: 17px 22px; font-weight: 650; color: var(--ink); list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--blue); font-weight: 700; font-size: 1.25rem; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq .faq__body { padding: 0 22px 18px; font-size: .97rem; }
.faq .faq__body ul { padding-left: 1.15em; }
.faq .faq__body li { margin-bottom: .4em; }

/* ---------- contact ---------- */
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
@media (max-width: 900px) { .contact__grid { grid-template-columns: 1fr; } }
.quote { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: .88rem; font-weight: 650; color: var(--ink); margin-bottom: 5px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  font: inherit; font-size: .97rem; color: var(--ink); background: #fff;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--blue); outline-offset: 1px; border-color: var(--blue); }
.field--half { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.hint { font-size: .84rem; color: var(--muted); margin: 10px 0 0; }
.callbox { list-style: none; margin: 0 0 22px; padding: 0; }
.callbox li { padding: 14px 0; border-bottom: 1px solid var(--line); display: flex; gap: 12px; }
.callbox li:last-child { border-bottom: 0; }
.callbox a { font-weight: 700; font-size: 1.12rem; text-decoration: none; color: var(--ink); }
.callbox a:hover { color: var(--blue); }
.callbox small { display: block; color: var(--muted); font-weight: 500; }

/* ---------- footer ---------- */
.ftr { background: var(--ink); color: #a9bccd; padding: 40px 0 30px; font-size: .92rem; }
.ftr__grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 30px; }
.ftr h4 { color: #fff; font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 12px; }
.ftr a { color: #dfe8f1; text-decoration: none; }
.ftr a:hover { text-decoration: underline; }
.ftr ul { list-style: none; margin: 0; padding: 0; }
.ftr li { margin-bottom: 8px; }
.ftr__bottom { border-top: 1px solid rgba(255,255,255,.14); margin-top: 30px; padding-top: 18px; font-size: .85rem; color: #7f95a8; }
@media (max-width: 800px) { .ftr__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .ftr__grid { grid-template-columns: 1fr; } }

/* ---------- sticky mobile call bar ---------- */
.callbar { display: none; }
@media (max-width: 700px) {
  .callbar {
    display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
    background: var(--ink); padding: 10px 14px; gap: 10px;
    box-shadow: 0 -6px 18px rgba(0,0,0,.28);
  }
  .callbar .btn { flex: 1; padding: 12px 10px; font-size: .95rem; }
  body { padding-bottom: 76px; }
}