/* ============================================================
   Cornerstone Homes LLP — Site Stylesheet
   Brand: maroon #7A1425 · orange #FF7722 · cream #FAFAF8
   ============================================================ */

:root {
  --maroon: #7A1425;
  --maroon-dark: #5C0E1B;
  --maroon-deep: #430A14;
  --orange: #FF7722;
  --orange-soft: #FF8F4D;
  --cream: #FAFAF8;
  --beige: #F3EEE7;
  --sand: #E9E1D5;
  --ink: #3A2E2A;
  --ink-soft: #6E5F58;
  --white: #FFFFFF;

  --font-head: 'Poppins', 'Segoe UI', sans-serif;
  --font-body: 'Nunito Sans', 'Segoe UI', sans-serif;

  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 10px 40px rgba(58, 46, 42, 0.10);
  --shadow-soft: 0 4px 18px rgba(58, 46, 42, 0.07);
  --container: 1160px;
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 1.06rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--maroon); text-decoration: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Typography ---------- */

h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--maroon);
  line-height: 1.18;
  font-weight: 700;
}

h1 { font-size: clamp(2.4rem, 5.4vw, 4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 14px;
}

.lead { font-size: 1.15rem; color: var(--ink-soft); }

.section { padding: 96px 0; }
.section--beige { background: var(--beige); }
.section--tight { padding: 72px 0; }

.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head p { margin-top: 14px; color: var(--ink-soft); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  padding: 15px 32px;
  border-radius: 999px;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  cursor: pointer;
  border: none;
}

.btn--primary {
  background: var(--orange);
  color: var(--maroon-deep);
  box-shadow: 0 6px 22px rgba(255, 119, 34, 0.35);
}
.btn--primary:hover {
  background: var(--orange-soft);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(255, 119, 34, 0.45);
}

.btn--ghost {
  background: transparent;
  color: var(--maroon);
  box-shadow: inset 0 0 0 2px var(--maroon);
}
.btn--ghost:hover { background: var(--maroon); color: var(--cream); transform: translateY(-2px); }

.btn--light {
  background: var(--cream);
  color: var(--maroon);
}
.btn--light:hover { background: var(--white); transform: translateY(-2px); }

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 248, 0.92);
  backdrop-filter: blur(12px);
  transition: box-shadow var(--transition);
}
.site-header.is-scrolled { box-shadow: var(--shadow-soft); }

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--container);
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand img { height: 44px; width: auto; }
.brand__text { line-height: 1.1; }
.brand__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.14em;
  color: var(--maroon);
  display: block;
}
.brand__sub {
  font-family: var(--font-head);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.5em;
  color: var(--orange);
  display: block;
}

.site-nav { display: flex; align-items: center; gap: 34px; }
.site-nav a {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--ink);
  position: relative;
  padding: 6px 0;
}
.site-nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--orange);
  transition: right var(--transition);
}
.site-nav a:hover::after, .site-nav a.is-active::after { right: 0; }
.site-nav a.is-active { color: var(--maroon); font-weight: 600; }
.site-nav .btn { padding: 11px 24px; font-size: 0.92rem; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 44px; height: 44px;
  position: relative;
  z-index: 110;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--maroon);
  margin: 5px auto;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  background: var(--beige);
}
.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 56px;
  align-items: center;
  padding: 88px 24px 96px;
  max-width: var(--container);
  margin: 0 auto;
}
.hero__copy .lead { margin: 22px 0 34px; max-width: 460px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 16px; }
.hero__media { position: relative; }
.hero__media img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 5;
  object-fit: cover;
  width: 100%;
}
.hero__frame {
  position: absolute;
  inset: -18px 18px 18px -18px;
  border: 3px solid var(--orange);
  border-radius: var(--radius-lg);
  z-index: -1;
}
.hero__badge {
  position: absolute;
  bottom: 26px;
  left: -30px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 22px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero__badge img { height: 34px; width: auto; }
.hero__badge strong { font-family: var(--font-head); color: var(--maroon); display: block; font-size: 0.95rem; line-height: 1.3; }
.hero__badge span { font-size: 0.82rem; color: var(--ink-soft); }

/* ---------- Trust strip ---------- */

.trust {
  background: var(--maroon);
  color: var(--cream);
  padding: 44px 0;
}
.trust__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.trust__num {
  font-family: var(--font-head);
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--orange);
  display: block;
  line-height: 1.2;
}
.trust__label { font-size: 0.92rem; opacity: 0.85; letter-spacing: 0.04em; }

/* ---------- Cards ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 28px;
}

.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card__icon {
  width: 54px; height: 54px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-soft) 100%);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
  color: var(--maroon-deep);
}
.card__icon svg { width: 26px; height: 26px; }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--ink-soft); font-size: 0.98rem; flex: 1; }
.card__link {
  margin-top: 18px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--orange);
  display: inline-flex; align-items: center; gap: 6px;
}
.card__link:hover { color: var(--maroon); }

/* ---------- Portfolio grid ---------- */

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}

.project {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  aspect-ratio: 4 / 3;
  background: var(--sand);
}
.project img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.project:hover img { transform: scale(1.05); }
.project__caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 44px 24px 20px;
  background: linear-gradient(to top, rgba(67, 10, 20, 0.82), transparent);
  color: var(--cream);
}
.project__caption strong { font-family: var(--font-head); font-size: 1.05rem; display: block; }
.project__caption span { font-size: 0.88rem; opacity: 0.85; }

.project--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, var(--beige) 0%, var(--sand) 100%);
}
.project--placeholder .project__mark {
  opacity: 0.35;
  width: 72px;
}

/* ---------- Process / steps ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  counter-reset: step;
}
.step {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 34px 26px 30px;
  box-shadow: var(--shadow-soft);
  position: relative;
}
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--font-head);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--sand);
  display: block;
  line-height: 1;
  margin-bottom: 14px;
}
.step h3 { font-size: 1.1rem; margin-bottom: 8px; }
.step p { font-size: 0.94rem; color: var(--ink-soft); }

/* ---------- Testimonials ---------- */

.quote-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}
.quote {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 34px 30px;
  box-shadow: var(--shadow-soft);
  position: relative;
}
.quote::before {
  content: "\201C";
  font-family: Georgia, serif;
  font-size: 4rem;
  color: var(--orange);
  line-height: 1;
  display: block;
  margin-bottom: 4px;
}
.quote p { color: var(--ink); font-size: 0.99rem; }
.quote footer {
  margin-top: 18px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--maroon);
}
.quote footer span { display: block; font-weight: 400; color: var(--ink-soft); font-size: 0.84rem; }

/* ---------- CTA band ---------- */

.cta-band {
  background: linear-gradient(120deg, var(--maroon) 0%, var(--maroon-dark) 100%);
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
  color: var(--cream);
  position: relative;
  overflow: hidden;
}
.cta-band::after {
  content: '';
  position: absolute;
  right: -60px; top: -60px;
  width: 240px; height: 240px;
  border: 26px solid var(--orange);
  border-radius: 40px;
  opacity: 0.18;
  transform: rotate(12deg);
}
.cta-band h2 { color: var(--cream); margin-bottom: 12px; }
.cta-band p { opacity: 0.85; max-width: 520px; margin: 0 auto 30px; }

/* ---------- Page hero (inner pages) ---------- */

.page-hero {
  background: var(--beige);
  padding: 72px 0 64px;
}
.page-hero p { max-width: 620px; margin-top: 16px; color: var(--ink-soft); font-size: 1.12rem; }

/* ---------- Service detail rows ---------- */

.service-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 56px 0;
  border-bottom: 1px solid var(--sand);
}
.service-row:last-child { border-bottom: none; }
.service-row__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  aspect-ratio: 4 / 3;
  background: linear-gradient(145deg, var(--beige) 0%, var(--sand) 100%);
  display: flex; align-items: center; justify-content: center;
}
.service-row__media img { width: 100%; height: 100%; object-fit: cover; }
.service-row__media .project__mark { width: 72px; opacity: 0.35; }
.service-row:nth-child(even) .service-row__media { order: 2; }
.service-row h2 { font-size: 1.6rem; margin-bottom: 14px; }
.service-row p { color: var(--ink-soft); margin-bottom: 18px; }
.service-row ul { list-style: none; margin-bottom: 24px; }
.service-row li {
  padding-left: 28px;
  position: relative;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 0.98rem;
}
.service-row li::before {
  content: '';
  position: absolute;
  left: 0; top: 9px;
  width: 12px; height: 12px;
  border: 3px solid var(--orange);
  border-radius: 3px;
}

/* ---------- Values ---------- */

.value-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 28px; }

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}
.contact-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  box-shadow: var(--shadow-soft);
  text-align: center;
}
.contact-card .card__icon { margin: 0 auto 20px; }
.contact-card h3 { margin-bottom: 6px; }
.contact-card p { color: var(--ink-soft); font-size: 0.95rem; margin-bottom: 14px; }
.contact-card a.contact-card__value {
  font-family: var(--font-head);
  font-weight: 600;
  color: var(--maroon);
  font-size: 1.05rem;
}
.contact-card a.contact-card__value:hover { color: var(--orange); }

.hours-note {
  margin-top: 48px;
  background: var(--beige);
  border-left: 4px solid var(--orange);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 22px 28px;
  color: var(--ink-soft);
}
.hours-note strong { color: var(--maroon); font-family: var(--font-head); }

/* ---------- FAQ ---------- */

.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  padding: 22px 26px;
  margin-bottom: 14px;
  box-shadow: var(--shadow-soft);
}
.faq-item summary {
  font-family: var(--font-head);
  font-weight: 600;
  color: var(--maroon);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--orange);
  flex-shrink: 0;
  line-height: 1;
  transition: transform var(--transition);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { margin-top: 14px; color: var(--ink-soft); font-size: 0.98rem; }

/* ---------- Blog ---------- */

.post-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-soft);
  margin: 18px 0 8px;
}
.post-meta__category {
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
}
.post-meta__dot { opacity: 0.5; }

.post-body { max-width: 700px; }
.post-body h2 { font-size: 1.5rem; margin: 44px 0 16px; }
.post-body h3 { font-size: 1.2rem; margin: 32px 0 12px; }
.post-body p { margin-bottom: 20px; color: var(--ink); }
.post-body ul, .post-body ol { margin: 0 0 20px 22px; color: var(--ink); }
.post-body li { margin-bottom: 8px; }
.post-body img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  margin: 32px 0;
  width: 100%;
}
.post-body blockquote {
  border-left: 4px solid var(--orange);
  padding: 4px 24px;
  margin: 32px 0;
  color: var(--ink-soft);
  font-style: italic;
  font-size: 1.08rem;
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--maroon-deep);
  color: rgba(250, 250, 248, 0.78);
  padding: 64px 0 0;
  margin-top: 96px;
}
.site-footer a { color: rgba(250, 250, 248, 0.78); transition: color var(--transition); }
.site-footer a:hover { color: var(--orange); }

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand img { height: 48px; margin-bottom: 18px; }
.footer-brand p { font-size: 0.94rem; max-width: 280px; }

.footer-col h4 {
  color: var(--cream);
  font-size: 0.85rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; font-size: 0.95rem; }

.footer-bottom {
  border-top: 1px solid rgba(250, 250, 248, 0.14);
  padding: 22px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.85rem;
}

/* ---------- WhatsApp float ---------- */

.wa-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 90;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 26px rgba(37, 211, 102, 0.45);
  transition: transform var(--transition);
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

/* ---------- Reveal animation ---------- */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .section { padding: 72px 0; }

  .hero__inner { grid-template-columns: 1fr; padding: 56px 24px 72px; gap: 44px; }
  .hero__media { max-width: 480px; }
  .hero__badge { left: 10px; }

  .trust__grid { grid-template-columns: repeat(2, 1fr); gap: 32px 16px; }
  .steps { grid-template-columns: repeat(2, 1fr); }

  .service-row { grid-template-columns: 1fr; gap: 28px; }
  .service-row:nth-child(even) .service-row__media { order: 0; }

  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }

  .site-nav {
    position: fixed;
    inset: 0;
    background: var(--cream);
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 105;
  }
  .site-nav.is-open { transform: translateX(0); }
  .site-nav a { font-size: 1.25rem; }

  .steps { grid-template-columns: 1fr; }
  .cta-band { padding: 48px 28px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}