/* ==========================================================================
   NC Roofing Services — Design System
   Palette: white background, brand blue (#0071BC) and red (#E8262A, softened
   slightly from pure #FF0000 for text/background use), sampled directly
   from the client's own logo
   Type: Baloo 2 (display, bold rounded — echoes the logo's rooftop icon) +
         Figtree (body)
   ========================================================================== */

:root {
  --color-bg: #FFFFFF;
  --color-surface: #F2F6FA;
  --color-ink: #14202B;
  --color-blue: #0071BC;
  --color-blue-dark: #005A96;
  --color-blue-tint: #E5F1FA;
  --color-red: #E8262A;
  --color-red-dark: #C01E21;
  --color-line: #E1E7EE;
  --color-muted: #52606D;

  --font-display: 'Baloo 2', 'Arial Rounded MT Bold', sans-serif;
  --font-body: 'Figtree', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-sm: 6px;
  --radius-md: 10px;
  --container: 1120px;
  --space-section: clamp(3rem, 6vw, 6rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-blue); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-ink);
  line-height: 1.2;
  margin: 0 0 0.55em;
  font-weight: 700;
}
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.55rem, 3.2vw, 2.2rem); }
h3 { font-size: clamp(1.05rem, 1.8vw, 1.25rem); font-family: var(--font-body); font-weight: 700; }
p { margin: 0 0 1em; }
ul, ol { padding-left: 1.2em; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 1.25rem; }
.section { padding: var(--space-section) 0; }
.section--tight { padding: 2.5rem 0; }
.section--surface { background: var(--color-surface); }
.section--blue { background: var(--color-blue); color: #EAF3FB; }
.section--blue h2, .section--blue h3 { color: #fff; }
.section--blue p { color: #CFE3F3; }
.eyebrow {
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-red);
  display: inline-block;
  margin-bottom: 0.75rem;
}
.section--blue .eyebrow { color: #fff; }

/* Skip link */
.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--color-ink); color: #fff;
  padding: 0.75rem 1.25rem; z-index: 1000;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

/* Header — icon row + main nav */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-line);
}
.header-top {
  background: var(--color-ink); color: #C8D2DC;
  font-size: 0.82rem;
}
.header-top__inner {
  max-width: var(--container); margin: 0 auto; padding: 0.45rem 1.25rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
.header-top__contacts { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.header-top__contacts a { color: #C8D2DC; display: inline-flex; align-items: center; gap: 0.35rem; }
.header-top__contacts a:hover { color: #fff; text-decoration: none; }
.header-top__social { display: flex; gap: 0.75rem; align-items: center; }
.header-top__social a { color: #C8D2DC; display: inline-flex; }
.header-top__social a:hover { color: #fff; }
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.6rem 1.25rem;
  max-width: var(--container); margin: 0 auto;
  gap: 1rem;
}
.brand { display: flex; align-items: center; }
.brand img { height: 58px; width: auto; display: block; }
.main-nav { display: none; }
.main-nav ul { list-style: none; display: flex; gap: 1.4rem; margin: 0; padding: 0; flex-wrap: wrap; }
.main-nav a { color: var(--color-ink); font-weight: 600; font-size: 0.92rem; }
.main-nav a:hover { text-decoration: none; color: var(--color-blue); }
.main-nav a.is-active { color: var(--color-blue); }
.header-cta {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--color-red); color: #fff;
  padding: 0.65rem 1.1rem; border-radius: var(--radius-sm);
  font-weight: 700; font-size: 0.95rem; white-space: nowrap;
}
.header-cta:hover { background: var(--color-red-dark); text-decoration: none; color: #fff; }
.nav-toggle {
  display: inline-flex; background: none; border: 1px solid var(--color-line);
  border-radius: var(--radius-sm); padding: 0.5rem 0.7rem; cursor: pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 20px; height: 2px; background: var(--color-ink); position: relative;
}
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.mobile-nav { display: none; flex-direction: column; border-top: 1px solid var(--color-line); background: var(--color-bg); }
.mobile-nav.is-open { display: flex; }
.mobile-nav > a { padding: 0.9rem 1.25rem; border-bottom: 1px solid var(--color-line); color: var(--color-ink); font-weight: 600; }
.mobile-nav > a.is-active { color: var(--color-blue); }

@media (min-width: 960px) {
  .main-nav { display: block; }
  .nav-toggle { display: none; }
  .mobile-nav { display: none !important; }
}

/* Sticky mobile call button */
.sticky-call {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 200;
  background: var(--color-red); color: #fff;
  display: flex; align-items: center; justify-content: center; gap: 0.6rem;
  padding: 0.9rem 1rem; font-weight: 700; font-size: 1rem;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.15);
}
.sticky-call:hover { color: #fff; text-decoration: none; background: var(--color-red-dark); }
@media (min-width: 960px) { .sticky-call { display: none; } }
body { padding-bottom: 64px; }
@media (min-width: 960px) { body { padding-bottom: 0; } }

/* Floating WhatsApp button — present on every page */
.whatsapp-float {
  position: fixed; right: 1.1rem; bottom: 5.2rem; z-index: 210;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25D366; color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 14px rgba(0,0,0,0.25);
  transition: transform 0.15s ease;
}
.whatsapp-float:hover { transform: scale(1.08); text-decoration: none; }
@media (min-width: 960px) { .whatsapp-float { bottom: 1.5rem; } }

/* Hero — rooftop skyline signature motif */
.hero { position: relative; overflow: hidden; background: var(--color-ink); color: #fff; padding: 0; }
.hero__skyline { position: absolute; bottom: 0; left: 0; width: 100%; height: auto; z-index: 0; opacity: 0.9; }
.hero__content { padding: 3.5rem 0; position: relative; z-index: 1; }
.hero h1 { color: #fff; }
.hero p.lead { font-size: 1.12rem; color: #C9D2DC; max-width: 50ch; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-top: 1.5rem; }
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.8rem 1.4rem; border-radius: var(--radius-sm);
  font-weight: 700; font-size: 1rem; border: 1px solid transparent;
}
.btn--primary { background: var(--color-red); color: #fff; }
.btn--primary:hover { background: var(--color-red-dark); color: #fff; text-decoration: none; }
.btn--ghost { border-color: rgba(255,255,255,0.4); color: #fff; }
.btn--ghost:hover { background: rgba(255,255,255,0.1); color: #fff; text-decoration: none; }
.btn--secondary { border-color: var(--color-line); color: var(--color-ink); background: #fff; }
.btn--secondary:hover { background: #F2F5F8; color: var(--color-ink); text-decoration: none; }
.btn--ink { background: var(--color-ink); color: #fff; }
.btn--ink:hover { background: #000; color: #fff; text-decoration: none; }
.btn--blue { background: var(--color-blue); color: #fff; }
.btn--blue:hover { background: var(--color-blue-dark); color: #fff; text-decoration: none; }

.trust-strip { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.75rem 1.5rem; margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.15); }
.trust-strip__item { display: flex; align-items: center; gap: 0.6rem; font-size: 0.92rem; color: #D5DEE7; }
.trust-strip__item svg { flex-shrink: 0; color: var(--color-red); }
@media (min-width: 700px) { .trust-strip { grid-template-columns: repeat(4, 1fr); } }

/* Bento grid */
.bento { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 700px) { .bento { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .bento { grid-template-columns: repeat(4, 1fr); } }
.bento-card { background: var(--color-bg); border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: 1.5rem; transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease; }
.bento-card:hover { transform: translateY(-3px); box-shadow: 0 10px 26px rgba(20,32,43,0.08); border-color: var(--color-blue); }
.bento-card__icon { width: 44px; height: 44px; border-radius: var(--radius-sm); background: var(--color-blue-tint); color: var(--color-blue); display: flex; align-items: center; justify-content: center; margin-bottom: 1rem; }
.bento-card h3 { margin-bottom: 0.4rem; font-size: 1.08rem; }
.bento-card p { color: var(--color-muted); font-size: 0.95rem; margin-bottom: 0.6rem; }
.bento-card a.card-link { font-weight: 700; font-size: 0.9rem; }

/* Work gallery */
.work-grid { display: grid; grid-template-columns: 1fr; gap: 1.1rem; margin-top: 2rem; }
@media (min-width: 640px) { .work-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .work-grid { grid-template-columns: repeat(4, 1fr); } }
.work-card { background: var(--color-bg); border: 1px solid var(--color-line); border-radius: var(--radius-md); overflow: hidden; transition: box-shadow 0.15s ease, border-color 0.15s ease; }
.work-card:hover { box-shadow: 0 8px 24px rgba(20,32,43,0.1); border-color: var(--color-blue); }
.work-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: var(--color-surface); }
.work-card__body { padding: 0.9rem 1rem; }
.work-card__body h3 { font-size: 0.92rem; margin: 0; }

/* Timeline */
.timeline { position: relative; margin-top: 2.5rem; }
.timeline::before { content: ""; position: absolute; left: 19px; top: 0; bottom: 0; width: 2px; background: rgba(255,255,255,0.25); }
@media (min-width: 860px) { .timeline::before { left: 50%; transform: translateX(-1px); } }
.timeline-step { position: relative; padding-left: 3.2rem; margin-bottom: 2rem; }
.timeline-step__num { position: absolute; left: 0; top: 0; width: 40px; height: 40px; border-radius: 50%; background: var(--color-red); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.95rem; z-index: 1; font-family: var(--font-body); }
.timeline-step h3 { margin-bottom: 0.3rem; color: #fff; }

/* FAQ */
.faq-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; margin-top: 2rem; }
@media (min-width: 780px) { .faq-grid { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; } }
.faq-item { background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: 1.25rem 1.4rem; }
.faq-item h3 { font-size: 1.02rem; margin-bottom: 0.4rem; color: var(--color-ink); }
.faq-item p { color: var(--color-muted); margin: 0; font-size: 0.95rem; }

/* Split CTA */
.split-cta { display: grid; grid-template-columns: 1fr; gap: 1.5rem; background: var(--color-ink); color: #fff; border-radius: var(--radius-md); padding: 2.25rem; align-items: center; }
@media (min-width: 780px) { .split-cta { grid-template-columns: 2fr 1fr; } }
.split-cta h2 { color: #fff; margin-bottom: 0.5rem; }
.split-cta p { color: #C9D2DC; margin: 0; }
.split-cta__actions { display: flex; flex-direction: column; gap: 0.75rem; }

/* Pill nav */
.pill-nav { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 1.5rem 0 0; }
.pill { display: inline-block; padding: 0.5rem 1rem; border-radius: 999px; background: var(--color-surface); border: 1px solid var(--color-line); font-size: 0.9rem; font-weight: 600; color: var(--color-ink); }
.pill:hover { border-color: var(--color-blue); color: var(--color-blue); text-decoration: none; }

/* Breadcrumbs */
.breadcrumbs { font-size: 0.85rem; color: var(--color-muted); padding: 1rem 0 0; }
.breadcrumbs a { color: var(--color-muted); }
.breadcrumbs a:hover { color: var(--color-blue); }
.breadcrumbs .sep { margin: 0 0.4rem; }

/* Info cards */
.card-grid { display: grid; grid-template-columns: 1fr; gap: 1.1rem; margin-top: 2rem; }
@media (min-width: 700px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .card-grid { grid-template-columns: repeat(4, 1fr); } }
.info-card { background: var(--color-bg); border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: 1.5rem; }
.info-card h3 { margin-bottom: 0.5rem; }

/* Content */
.prose { max-width: 68ch; }
.prose p { color: var(--color-muted); }
.two-col { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 860px) { .two-col { grid-template-columns: 1.2fr 0.8fr; } }

/* Contact */
.contact-details { list-style: none; margin: 0; padding: 0; }
.contact-details li { display: flex; gap: 0.75rem; padding: 0.9rem 0; border-bottom: 1px solid var(--color-line); }
.contact-details li svg { color: var(--color-blue); flex-shrink: 0; }
.contact-details strong { display: block; color: var(--color-ink); }

/* Contact form */
.callback-form { background: var(--color-blue); border-radius: var(--radius-md); padding: 2.25rem; color: #fff; }
.callback-form h2 { color: #fff; }
.callback-form p { color: #CFE3F3; }
.form-row { display: grid; grid-template-columns: 1fr; gap: 0.9rem; margin-bottom: 0.9rem; }
@media (min-width: 640px) { .form-row--two { grid-template-columns: 1fr 1fr; } }
.form-field {
  width: 100%; padding: 0.85rem 1rem; border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.5); font-family: var(--font-body); font-size: 1rem;
  background: #fff; color: var(--color-ink);
}
.form-field::placeholder { color: #7A8794; }
textarea.form-field { resize: vertical; min-height: 110px; }
.form-note { font-size: 0.82rem; color: #CFE3F3; margin-top: 1rem; display: flex; align-items: center; gap: 0.5rem; }

/* Contact form submission feedback */
.form-alert {
  padding: 0.85rem 1rem; border-radius: var(--radius-sm);
  font-size: 0.92rem; font-weight: 600; margin-bottom: 1rem;
}
.form-alert--success { background: #1F7A3D; color: #fff; }
.form-alert--error { background: #B3261E; color: #fff; }

/* Honeypot spam trap — hidden from real users, catches bots */
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Certificate image */
.certificate-frame { max-width: 320px; border: 1px solid var(--color-line); border-radius: var(--radius-md); overflow: hidden; margin-top: 1.5rem; }

/* Footer */
.site-footer { background: var(--color-ink); color: #A9B3BD; padding: 3rem 0 5.5rem; }
@media (min-width: 960px) { .site-footer { padding-bottom: 3rem; } }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 700px) { .footer-grid { grid-template-columns: repeat(4, 1fr); } }
.site-footer h4 { color: #fff; font-family: var(--font-body); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 1rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 0.5rem; }
.site-footer a { color: #A9B3BD; font-size: 0.92rem; }
.site-footer a:hover { color: var(--color-red); }
.footer-social { display: flex; gap: 0.75rem; margin-top: 1rem; }
.footer-social a {
  width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center; color: #C8D2DC;
}
.footer-social a:hover { background: var(--color-blue); color: #fff; }
.footer-bottom {
  max-width: var(--container); margin: 2.5rem auto 0; padding: 1.5rem 1.25rem 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.82rem; color: #6E7A85;
  display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; justify-content: space-between;
}
.footer-bottom a { color: #8A96A1; }

/* Blog cards */
.blog-card { background: var(--color-bg); border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: 1.5rem; }
.blog-card h3 { margin-bottom: 0.5rem; }
.blog-card p { color: var(--color-muted); font-size: 0.95rem; }

/* Utility */
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.text-center { text-align: center; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}