/* ==========================================================================
   FlooringQuote.uk — Shared Stylesheet
   Pure CSS3. No frameworks. Trust palette: blues, greens, warm greys.
   ========================================================================== */

/* ---------- Design Tokens ---------- */
:root {
  --navy:        #0f2e4d;
  --navy-deep:   #0a2238;
  --blue:        #1d6fb8;
  --blue-bright: #2a8fd4;
  --green:       #1f8a5b;
  --green-deep:  #166846;
  --amber:       #e8762b;
  --amber-dark:  #cf6520;

  --ink:         #1c2733;
  --body:        #41505e;
  --muted:       #6b7886;
  --line:        #e3e8ee;
  --warm-grey:   #f5f3f0;
  --cloud:       #f8fafc;
  --white:       #ffffff;

  --shadow-sm: 0 1px 3px rgba(15,46,77,.08), 0 1px 2px rgba(15,46,77,.06);
  --shadow-md: 0 6px 18px rgba(15,46,77,.10), 0 2px 6px rgba(15,46,77,.06);
  --shadow-lg: 0 18px 50px rgba(15,46,77,.16), 0 6px 16px rgba(15,46,77,.08);

  --radius:    14px;
  --radius-lg: 22px;
  --radius-sm: 9px;

  --maxw: 1180px;
  --gap: clamp(1rem, 3vw, 2rem);

  --font-display: "Plus Jakarta Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ---------- Reset / Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--body);
  background: var(--white);
  line-height: 1.7;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.2;
  margin: 0 0 .6em;
  font-weight: 700;
  letter-spacing: -.01em;
}
h1 { font-size: clamp(2.1rem, 5vw, 3.3rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2.4vw, 1.5rem); }
p { margin: 0 0 1.1rem; }
ul, ol { margin: 0 0 1.1rem; padding-left: 1.3rem; }
li { margin-bottom: .5rem; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 1.25rem; }
.section { padding: clamp(3rem, 7vw, 5.5rem) 0; }
.section--tint { background: var(--cloud); }
.section--warm { background: var(--warm-grey); }
.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .82rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: .7rem;
}
.lead { font-size: 1.15rem; color: var(--body); }
.center { text-align: center; }
.measure { max-width: 720px; }
.measure.center { margin-inline: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--font-display); font-weight: 700; font-size: 1rem;
  padding: .85rem 1.6rem; border-radius: 50px; border: 2px solid transparent;
  cursor: pointer; transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  text-decoration: none; line-height: 1;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn--primary { background: var(--amber); color: #fff; box-shadow: var(--shadow-md); }
.btn--primary:hover { background: var(--amber-dark); color: #fff; }
.btn--secondary { background: #fff; color: var(--navy); border-color: rgba(255,255,255,.85); }
.btn--secondary:hover { background: var(--cloud); }
.btn--green { background: var(--green); color: #fff; box-shadow: var(--shadow-md); }
.btn--green:hover { background: var(--green-deep); color: #fff; }
.btn--ghost { background: transparent; color: var(--navy); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn--block { width: 100%; justify-content: center; }
.btn--lg { padding: 1.05rem 2rem; font-size: 1.08rem; }

/* ---------- Utility / Top Bar ---------- */
.topbar {
  background: var(--navy-deep); color: #cdd9e6; font-size: .85rem;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 1rem; min-height: 42px; flex-wrap: wrap; }
.topbar a { color: #cdd9e6; }
.topbar a:hover { color: #fff; }
.topbar__contact { display: flex; gap: 1.4rem; align-items: center; flex-wrap: wrap; }
.topbar__contact span { display: inline-flex; align-items: center; gap: .45rem; }
.topbar__social { display: flex; gap: .9rem; }

/* ---------- Header / Nav ---------- */
.site-header { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 100; }
.nav { display: flex; align-items: center; justify-content: space-between; min-height: 72px; }
.brand { display: inline-flex; align-items: center; gap: .6rem; font-family: var(--font-display); font-weight: 800; font-size: 1.3rem; color: var(--navy); letter-spacing: -.02em; }
.brand:hover { text-decoration: none; }
.brand__mark {
  width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--blue), var(--green)); color: #fff; font-size: 1.1rem;
}
.brand b { color: var(--green); }

.nav__menu { display: flex; align-items: center; gap: .35rem; list-style: none; margin: 0; padding: 0; }
.nav__menu a {
  display: inline-block; padding: .55rem .85rem; border-radius: 8px; color: var(--ink);
  font-weight: 600; font-size: .98rem;
}
.nav__menu a:hover, .nav__menu a[aria-current="page"] { background: var(--cloud); color: var(--blue); text-decoration: none; }
.nav__cta { margin-left: .6rem; }

.nav__toggle {
  display: none; width: 46px; height: 46px; border: 1px solid var(--line); background: #fff;
  border-radius: 10px; cursor: pointer; padding: 0; position: relative;
}
.nav__toggle:focus-visible, .nav__menu a:focus-visible, .btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--blue-bright); outline-offset: 2px;
}
.nav__toggle span, .nav__toggle span::before, .nav__toggle span::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 22px; height: 2px;
  background: var(--ink); transition: transform .25s ease, opacity .2s ease; transform: translate(-50%, -50%);
}
.nav__toggle span::before { transform: translate(-50%, -8px); }
.nav__toggle span::after  { transform: translate(-50%, 6px); }
.nav__toggle[aria-expanded="true"] span { background: transparent; }
.nav__toggle[aria-expanded="true"] span::before { transform: translate(-50%, 0) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span::after  { transform: translate(-50%, 0) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; color: #fff; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(10,34,56,.92) 0%, rgba(10,34,56,.78) 38%, rgba(10,34,56,.35) 70%, rgba(10,34,56,.15) 100%);
}
.hero__inner { position: relative; z-index: 1; padding: clamp(3rem, 8vw, 6rem) 0; }
.hero__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center; }
.hero__content { max-width: 620px; }
.hero h1 { color: #fff; }
.hero__content .lead { color: #dbe6f1; font-size: 1.2rem; }
.hero__eyebrow { color: #7fd8a8; }
.hero__actions { display: flex; gap: .9rem; flex-wrap: wrap; margin-top: 1.6rem; }

/* trust strip */
.hero__trust { margin-top: 2.2rem; display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap; color: #cdd9e6; font-size: .92rem; }
.hero__stars { color: #ffc24b; letter-spacing: 2px; }
.hero__trust strong { color: #fff; }

/* hero side panel (forms / calculators sit here) */
.hero__panel {
  background: #fff; color: var(--body); border-radius: var(--radius-lg);
  padding: clamp(1.4rem, 3vw, 2rem); box-shadow: var(--shadow-lg);
}
.hero__panel h2 { font-size: 1.5rem; margin-bottom: .3rem; }
.hero__panel .panel__sub { color: var(--muted); font-size: .95rem; margin-bottom: 1.2rem; }

/* ---------- Breadcrumb ---------- */
.crumbs { background: var(--cloud); border-bottom: 1px solid var(--line); font-size: .9rem; }
.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: .5rem; margin: 0; padding: .8rem 0; }
.crumbs li { margin: 0; display: inline-flex; align-items: center; gap: .5rem; color: var(--muted); }
.crumbs li::after { content: "›"; color: var(--line); }
.crumbs li:last-child::after { content: ""; }
.crumbs a { color: var(--blue); }

/* ---------- Cards / Grid ---------- */
.grid { display: grid; gap: 1.5rem; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); overflow: hidden; transition: transform .18s ease, box-shadow .18s ease;
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card__img { aspect-ratio: 16/10; overflow: hidden; background: var(--warm-grey); }
.card__img img { width: 100%; height: 100%; object-fit: cover; }
.card__body { padding: 1.3rem 1.4rem 1.5rem; display: flex; flex-direction: column; flex: 1; }
.card__body h3 { margin-bottom: .4rem; }
.card__body p { font-size: .97rem; margin-bottom: 1rem; }
.card__link { margin-top: auto; font-family: var(--font-display); font-weight: 700; color: var(--blue); }
.card__link::after { content: " →"; }

/* feature row */
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 5vw, 4rem); align-items: center; }
.feature--reverse .feature__media { order: 2; }
.feature__media img { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); width: 100%; }
.icon-list { list-style: none; padding: 0; margin: 1.2rem 0; }
.icon-list li { padding-left: 2rem; position: relative; margin-bottom: .8rem; }
.icon-list li::before {
  content: "✓"; position: absolute; left: 0; top: .05rem; color: var(--green); font-weight: 800;
  width: 1.4rem; height: 1.4rem; background: #e4f4ec; border-radius: 50%; display: grid; place-items: center; font-size: .85rem;
}

/* stat tiles */
.stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; }
.stat { text-align: center; padding: 1.4rem 1rem; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.stat b { display: block; font-family: var(--font-display); font-size: 2rem; color: var(--navy); line-height: 1; margin-bottom: .3rem; }
.stat span { font-size: .9rem; color: var(--muted); }

/* ---------- Forms ---------- */
.field { margin-bottom: 1rem; }
.field label { display: block; font-family: var(--font-display); font-weight: 600; font-size: .9rem; color: var(--ink); margin-bottom: .35rem; }
.field .req { color: var(--amber); }
.field input, .field select, .field textarea {
  width: 100%; padding: .8rem .9rem; font: inherit; color: var(--ink);
  border: 1.5px solid var(--line); border-radius: var(--radius-sm); background: #fff; transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--blue); box-shadow: 0 0 0 3px rgba(42,143,212,.15); outline: none;
}
.field textarea { min-height: 110px; resize: vertical; }
.field--error input, .field--error select, .field--error textarea { border-color: #d63b3b; }
.field__msg { color: #d63b3b; font-size: .82rem; margin-top: .3rem; display: none; }
.field--error .field__msg { display: block; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-note { font-size: .82rem; color: var(--muted); margin-top: .8rem; }
.form-status { padding: .9rem 1rem; border-radius: var(--radius-sm); margin-bottom: 1rem; font-size: .92rem; display: none; }
.form-status--ok { background: #e4f4ec; color: var(--green-deep); display: block; }
.form-status--err { background: #fde8e8; color: #b42318; display: block; }

/* ---------- Calculator ---------- */
.calc__result {
  margin-top: 1.2rem; padding: 1.2rem 1.3rem; border-radius: var(--radius);
  background: linear-gradient(135deg, var(--navy), var(--blue)); color: #fff;
}
.calc__result h3 { color: #fff; margin-bottom: .8rem; font-size: 1.15rem; }
.calc__figure { font-family: var(--font-display); font-size: 2.4rem; font-weight: 800; line-height: 1; }
.calc__figure small { font-size: 1rem; font-weight: 600; opacity: .85; }
.calc__breakdown { list-style: none; padding: 0; margin: 1rem 0 0; font-size: .92rem; }
.calc__breakdown li { display: flex; justify-content: space-between; padding: .35rem 0; border-bottom: 1px solid rgba(255,255,255,.15); margin: 0; }
.calc__disclaimer { font-size: .8rem; color: var(--muted); margin-top: 1rem; }

/* ---------- Article ---------- */
.article { max-width: 760px; margin-inline: auto; }
.article h2 { margin-top: 2.2rem; }
.article h3 { margin-top: 1.6rem; }
.article img { border-radius: var(--radius); box-shadow: var(--shadow-sm); margin: 1.5rem 0; }
.article figure { margin: 1.6rem 0; }
.article figcaption { font-size: .85rem; color: var(--muted); text-align: center; margin-top: .5rem; }
.toc { background: var(--cloud); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem 1.4rem; margin-bottom: 2rem; }
.toc strong { font-family: var(--font-display); display: block; margin-bottom: .6rem; color: var(--ink); }
.toc ul { margin: 0; padding-left: 1.1rem; }
.toc li { margin-bottom: .35rem; }

.costtable { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: .95rem; }
.costtable th, .costtable td { text-align: left; padding: .8rem 1rem; border-bottom: 1px solid var(--line); }
.costtable th { background: var(--navy); color: #fff; font-family: var(--font-display); }
.costtable tr:nth-child(even) td { background: var(--cloud); }
.costtable caption { caption-side: bottom; font-size: .82rem; color: var(--muted); margin-top: .6rem; text-align: left; }

/* callout */
.callout { background: #eef6fc; border-left: 4px solid var(--blue); border-radius: var(--radius-sm); padding: 1.1rem 1.3rem; margin: 1.5rem 0; }
.callout--green { background: #e9f7ef; border-color: var(--green); }
.callout strong { color: var(--ink); }

/* ---------- FAQ ---------- */
.faq { max-width: 820px; margin-inline: auto; }
.faq__item { border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: .8rem; background: #fff; overflow: hidden; }
.faq__q { width: 100%; text-align: left; background: #fff; border: 0; padding: 1.1rem 1.3rem; font-family: var(--font-display); font-weight: 700; font-size: 1.02rem; color: var(--ink); cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.faq__q::after { content: "+"; font-size: 1.4rem; color: var(--blue); transition: transform .2s ease; }
.faq__q[aria-expanded="true"]::after { transform: rotate(45deg); }
.faq__a { padding: 0 1.3rem; max-height: 0; overflow: hidden; transition: max-height .25s ease, padding .25s ease; }
.faq__a p { margin: 0; padding-bottom: 1.2rem; }
.faq__item.open .faq__a { padding-top: .2rem; }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(120deg, var(--navy), var(--blue)); color: #fff; border-radius: var(--radius-lg); padding: clamp(2rem, 5vw, 3.2rem); text-align: center; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #dbe6f1; max-width: 600px; margin-inline: auto; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-deep); color: #aebfd0; font-size: .95rem; padding: clamp(2.5rem, 5vw, 4rem) 0 1.5rem; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2rem; margin-bottom: 2.2rem; }
.site-footer h4 { color: #fff; font-size: 1rem; margin-bottom: 1rem; }
.site-footer a { color: #aebfd0; }
.site-footer a:hover { color: #fff; }
.footer__links { list-style: none; padding: 0; margin: 0; }
.footer__links li { margin-bottom: .55rem; }
.footer__brand .brand { color: #fff; margin-bottom: .8rem; }
.footer__brand p { font-size: .92rem; }
.footer__disclaimer { border-top: 1px solid rgba(255,255,255,.12); padding-top: 1.4rem; font-size: .82rem; line-height: 1.6; color: #8b9cb0; }
.footer__bottom { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-top: 1.2rem; font-size: .85rem; }
.footer__bottom a { margin-left: 1rem; }

/* ---------- Page header (non-hero pages) ---------- */
.page-head { background: linear-gradient(120deg, var(--navy), var(--blue)); color: #fff; padding: clamp(2.5rem,6vw,4rem) 0; }
.page-head h1 { color: #fff; margin-bottom: .5rem; }
.page-head p { color: #dbe6f1; max-width: 640px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__panel { order: 2; }
  .feature, .feature--reverse .feature__media { grid-template-columns: 1fr; order: 0; }
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2,1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .topbar__contact span.hide-sm { display: none; }
  .nav__toggle { display: block; }
  .nav__menu {
    position: fixed; inset: 72px 0 auto 0; flex-direction: column; align-items: stretch;
    background: #fff; padding: 1rem 1.25rem 1.5rem; gap: .2rem; box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--line); transform: translateY(-130%); transition: transform .28s ease;
    max-height: calc(100vh - 72px); overflow-y: auto;
  }
  .nav__menu.open { transform: translateY(0); }
  .nav__menu a { padding: .85rem .6rem; border-radius: 8px; font-size: 1.05rem; }
  .nav__cta { margin: .6rem 0 0; }
  .nav__cta .btn { width: 100%; justify-content: center; }
  .field-row { grid-template-columns: 1fr; }
}
@media (max-width: 540px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .hero__actions .btn { width: 100%; justify-content: center; }
}

/* No-JS fallback: menu always visible as stacked links */
@media (max-width: 760px) {
  html.no-js .nav__menu { position: static; transform: none; box-shadow: none; padding: 0; flex-direction: column; }
  html.no-js .nav__toggle { display: none; }
}