/* ==========================================================================
   Blackfriars Barber Co. – Design system & global styles
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,600;1,400&family=Source+Sans+3:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
  --colour-bg: #F7F5F2;
  --colour-bg-alt: #EFEDE9;
  --colour-text: #2C2C2C;
  --colour-text-muted: #5A5A5A;
  --colour-accent: #1B3252;
  --colour-accent-hover: #244670;
  --colour-accent-muted: #C9A227;
  --colour-border: #E0DDD8;
  --colour-white: #FFFFFF;

  --font-heading: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Source Sans 3', system-ui, sans-serif;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3rem;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 3px rgba(44, 44, 44, 0.06);
  --shadow-md: 0 4px 12px rgba(44, 44, 44, 0.08);
  --shadow-lg: 0 8px 24px rgba(44, 44, 44, 0.1);

  --header-height: 64px;
  --header-height-mobile: 56px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--colour-text);
  background-color: var(--colour-bg);
  -webkit-font-smoothing: antialiased;
  text-align: left;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--colour-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--colour-accent); outline-offset: 2px; }

.site-wrap { min-height: 100vh; display: flex; flex-direction: column; }
.main { flex: 1; }
.container {
  width: 100%;
  max-width: 1100px;
  margin-inline: auto;
  padding-inline: var(--space-lg);
}
@media (min-width: 768px) {
  :root { --space-3xl: 5rem; --space-4xl: 7rem; }
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--colour-white);
  border-bottom: 1px solid var(--colour-border);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height-mobile);
}
@media (min-width: 768px) {
  .header-inner { min-height: var(--header-height); }
}
.logo-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-xl);
  color: var(--colour-text);
  text-decoration: none;
}
.logo-link:hover { text-decoration: none; color: var(--colour-accent); }
.logo-link:focus-visible { outline: 2px solid var(--colour-accent); outline-offset: 2px; }

.nav-desktop { display: none; }
@media (min-width: 768px) {
  .nav-desktop { display: flex; align-items: center; gap: var(--space-xl); }
  .nav-trigger { display: none; }
  .nav-desktop a {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--colour-text);
    text-decoration: none;
  }
  .nav-desktop a:hover { color: var(--colour-accent); text-decoration: none; }
  .nav-desktop a[aria-current="page"] { color: var(--colour-accent); font-weight: 600; }
}
.cta-header {
  display: inline-flex;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--colour-white);
  background: var(--colour-accent);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
}
.cta-header:hover { background: var(--colour-accent-hover); text-decoration: none; color: var(--colour-white); }
.cta-header:focus-visible { outline: 2px solid var(--colour-accent); outline-offset: 2px; }

.nav-trigger {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--colour-text);
}
.nav-trigger:hover { background: var(--colour-bg-alt); }
.nav-trigger:focus-visible { outline: 2px solid var(--colour-accent); outline-offset: 2px; }
.nav-trigger[aria-expanded="true"] .nav-trigger-icon-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-trigger[aria-expanded="true"] .nav-trigger-icon-bar:nth-child(2) { opacity: 0; }
.nav-trigger[aria-expanded="true"] .nav-trigger-icon-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}
.nav-trigger-icon {
  width: 22px;
  height: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.nav-trigger-icon-bar {
  height: 2px;
  background: var(--colour-text);
  border-radius: var(--radius-full);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(44, 44, 44, 0.4);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}
.nav-overlay.is-open { opacity: 1; visibility: visible; }
.nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 101;
  width: min(320px, 85vw);
  height: 100vh;
  background: var(--colour-white);
  padding: var(--space-xl);
  transform: translateX(100%);
  transition: transform 0.25s ease;
  box-shadow: var(--shadow-lg);
}
.nav-drawer.is-open { transform: translateX(0); }
.nav-mobile { display: flex; flex-direction: column; gap: var(--space-md); }
.nav-mobile a {
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--colour-text);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--colour-border);
  text-decoration: none;
}
.nav-mobile a:hover { color: var(--colour-accent); text-decoration: none; }
.nav-mobile a[aria-current="page"] { color: var(--colour-accent); font-weight: 600; }
.nav-mobile .cta-header { margin-top: var(--space-lg); align-self: flex-start; }

/* Footer */
.site-footer {
  background: var(--colour-text);
  color: var(--colour-bg);
  padding: var(--space-2xl) 0 var(--space-xl);
  margin-top: var(--space-4xl);
}
.footer-inner { display: flex; flex-direction: column; gap: var(--space-2xl); }
@media (min-width: 768px) {
  .footer-inner { flex-direction: row; flex-wrap: wrap; justify-content: space-between; align-items: flex-start; }
}
.footer-brand .logo-link { color: var(--colour-white); }
.footer-brand .tagline { font-size: var(--text-sm); color: rgba(247, 245, 242, 0.85); margin-top: var(--space-xs); }
.footer-links { display: flex; flex-direction: column; gap: var(--space-sm); }
.footer-links a { color: rgba(247, 245, 242, 0.9); }
.footer-links a:hover { color: var(--colour-white); text-decoration: none; }
.footer-contact { font-size: var(--text-sm); }
.footer-contact p { margin: 0 0 var(--space-xs); }
.footer-bottom { margin-top: var(--space-xl); padding-top: var(--space-lg); border-top: 1px solid rgba(255,255,255,0.15); font-size: var(--text-sm); color: rgba(247, 245, 242, 0.7); }
.footer-bottom a { color: rgba(247, 245, 242, 0.9); }
.footer-bottom a:hover { color: var(--colour-white); text-decoration: none; }

/* Buttons & CTAs */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}
.btn:focus-visible { outline: 2px solid var(--colour-accent); outline-offset: 2px; }
.btn-primary { background: var(--colour-accent); color: var(--colour-white); }
.btn-primary:hover { background: var(--colour-accent-hover); text-decoration: none; color: var(--colour-white); }
.btn-secondary { background: transparent; color: var(--colour-accent); border: 2px solid var(--colour-accent); }
.btn-secondary:hover { background: var(--colour-accent); color: var(--colour-white); text-decoration: none; }

/* Page sections */
.section { padding: var(--space-3xl) 0; }
.section-title { font-family: var(--font-heading); font-weight: 600; font-size: var(--text-2xl); margin: 0 0 var(--space-lg); }
@media (min-width: 768px) { .section-title { font-size: var(--text-3xl); } }
.section-intro { max-width: 60ch; color: var(--colour-text-muted); margin-bottom: var(--space-xl); text-align: left; }

.walkin-banner {
  background: var(--colour-accent);
  color: var(--colour-white);
  text-align: center;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-sm);
  font-weight: 500;
}
.walkin-banner a { color: var(--colour-white); text-decoration: underline; }
.walkin-banner a:hover { color: rgba(255,255,255,0.9); }

.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: flex-end;
  padding-bottom: var(--space-2xl);
  background: var(--colour-text) linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 50%) no-repeat center/cover;
}
.hero-bg { position: absolute; inset: 0; object-fit: cover; width: 100%; height: 100%; z-index: 0; }
.hero-content { position: relative; z-index: 1; }
.hero h1 { font-family: var(--font-heading); font-weight: 600; font-size: var(--text-3xl); margin: 0 0 var(--space-md); color: var(--colour-white); line-height: 1.2; }
@media (min-width: 768px) { .hero h1 { font-size: var(--text-4xl); } }
.hero p { margin: 0 0 var(--space-xl); color: rgba(255,255,255,0.9); font-size: var(--text-lg); max-width: 40ch; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: var(--space-md); }

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  justify-content: center;
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--colour-border);
  list-style: none;
  margin: 0;
}
.trust-strip li { display: flex; align-items: center; gap: var(--space-sm); font-size: var(--text-sm); font-weight: 500; color: var(--colour-text-muted); }

.cards { display: grid; gap: var(--space-lg); }
@media (min-width: 640px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .cards { grid-template-columns: repeat(3, 1fr); } }
.card {
  background: var(--colour-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--colour-border);
  text-align: left;
}
.card h3 { font-family: var(--font-heading); font-size: var(--text-xl); margin: 0 0 var(--space-sm); }
.service-icon { width: 48px; height: 48px; margin-bottom: var(--space-md); color: var(--colour-accent); }
.pricing-teaser .cards { margin-bottom: var(--space-lg); }
.price { font-size: var(--text-xl); font-weight: 600; color: var(--colour-accent); }
.price-note { font-size: var(--text-sm); color: var(--colour-text-muted); margin-top: var(--space-xs); }

.testimonials { display: grid; gap: var(--space-xl); }
@media (min-width: 768px) { .testimonials { grid-template-columns: repeat(3, 1fr); } }
.testimonial { font-size: var(--text-base); color: var(--colour-text-muted); text-align: left; }
.testimonial blockquote { margin: 0 0 var(--space-md); font-style: italic; }
.testimonial cite { font-style: normal; font-size: var(--text-sm); font-weight: 600; color: var(--colour-text); }

.location-grid { display: grid; gap: var(--space-xl); }
@media (min-width: 768px) { .location-grid { grid-template-columns: 1fr 1fr; align-items: start; } }
.map-placeholder {
  aspect-ratio: 16/10;
  background: var(--colour-bg-alt);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--colour-text-muted);
  font-size: var(--text-sm);
  overflow: hidden;
}
.map-placeholder img { width: 100%; height: 100%; object-fit: cover; }

/* Services page */
.service-list { margin: var(--space-2xl) 0; }
.service-item {
  display: grid;
  gap: var(--space-md);
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--colour-border);
}
@media (min-width: 640px) { .service-item { grid-template-columns: 1fr auto; align-items: baseline; } }
.service-item:first-child { padding-top: 0; }
.service-item h3 { margin: 0; font-family: var(--font-heading); font-size: var(--text-xl); }
.service-item p { margin: 0; text-align: left; }
.service-item .price { font-size: var(--text-lg); }
.pricing-table { width: 100%; border-collapse: collapse; }
.pricing-table th, .pricing-table td { padding: var(--space-md); text-align: left; border-bottom: 1px solid var(--colour-border); }
.pricing-table th { font-weight: 600; font-size: var(--text-sm); color: var(--colour-text-muted); }
.walkin-details { background: var(--colour-bg-alt); padding: var(--space-xl); border-radius: var(--radius-lg); margin: var(--space-2xl) 0; text-align: left; }
.walkin-details h3 { margin: 0 0 var(--space-md); font-size: var(--text-lg); }
.walkin-details ol { margin: 0; padding-left: 1.25em; }
.walkin-details li { margin-bottom: var(--space-sm); }
.walkin-details p { margin: 0 0 var(--space-md); }
.walkin-details p:last-of-type { margin-bottom: 0; }

/* Gallery */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}
.gallery-filters button {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-sm);
  font-weight: 500;
  background: var(--colour-white);
  border: 1px solid var(--colour-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--colour-text);
}
.gallery-filters button:hover { border-color: var(--colour-accent); color: var(--colour-accent); }
.gallery-filters button:focus-visible { outline: 2px solid var(--colour-accent); outline-offset: 2px; }
.gallery-filters button.is-active { background: var(--colour-accent); color: var(--colour-white); border-color: var(--colour-accent); }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}
@media (min-width: 640px) { .gallery-grid { grid-template-columns: repeat(3, 1fr); } }
.gallery-item { display: block; border-radius: var(--radius-md); overflow: hidden; aspect-ratio: 1; background: var(--colour-bg-alt); }
.gallery-item:focus-visible { outline: 2px solid var(--colour-accent); outline-offset: 2px; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0,0,0,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox-content { max-width: 90vw; max-height: 90vh; position: relative; }
.lightbox-content img { max-width: 100%; max-height: 85vh; object-fit: contain; }
.lightbox-close {
  position: absolute;
  top: -48px;
  right: 0;
  width: 40px;
  height: 40px;
  padding: 0;
  background: rgba(255,255,255,0.15);
  border: none;
  border-radius: var(--radius-md);
  color: var(--colour-white);
  cursor: pointer;
  font-size: 1.5rem;
  line-height: 1;
}
.lightbox-close:hover { background: rgba(255,255,255,0.25); }
.lightbox-close:focus-visible { outline: 2px solid white; outline-offset: 2px; }
.lightbox-prev, .lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  padding: 0;
  background: rgba(255,255,255,0.15);
  border: none;
  border-radius: var(--radius-md);
  color: var(--colour-white);
  cursor: pointer;
  font-size: 1.25rem;
}
.lightbox-prev { left: -60px; }
.lightbox-next { right: -60px; }
@media (max-width: 768px) {
  .lightbox-prev { left: var(--space-sm); }
  .lightbox-next { right: var(--space-sm); }
}
.lightbox-prev:hover, .lightbox-next:hover { background: rgba(255,255,255,0.25); }
.lightbox-prev:focus-visible, .lightbox-next:focus-visible { outline: 2px solid white; outline-offset: 2px; }

/* About */
.about-story { max-width: 65ch; margin-bottom: var(--space-3xl); text-align: left; }
.about-story p { margin-bottom: var(--space-lg); }
.team-grid { display: grid; gap: var(--space-xl); }
@media (min-width: 640px) { .team-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .team-grid { grid-template-columns: repeat(3, 1fr); } }
.team-card { text-align: center; }
.team-card .team-photo { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: var(--radius-lg); margin-bottom: var(--space-md); }
.team-card h3 { font-family: var(--font-heading); font-size: var(--text-xl); margin: 0 0 var(--space-xs); }
.team-card .role { font-size: var(--text-sm); color: var(--colour-text-muted); margin-bottom: var(--space-sm); }
.team-card p { font-size: var(--text-sm); color: var(--colour-text-muted); margin: 0; text-align: left; }
.values-list { display: grid; gap: var(--space-lg); list-style: none; margin: 0; padding: 0; }
@media (min-width: 640px) { .values-list { grid-template-columns: repeat(3, 1fr); } }
.values-list li { padding: var(--space-lg); background: var(--colour-white); border-radius: var(--radius-lg); border: 1px solid var(--colour-border); text-align: left; }
.values-list strong { display: block; margin-bottom: var(--space-xs); font-size: var(--text-lg); }

/* Contact */
.contact-grid { display: grid; gap: var(--space-2xl); }
@media (min-width: 768px) { .contact-grid { grid-template-columns: 1fr 1fr; } }
.contact-details h2 { font-family: var(--font-heading); font-size: var(--text-xl); margin: 0 0 var(--space-md); }
.contact-details p { margin: 0 0 var(--space-md); }
.form-group { margin-bottom: var(--space-lg); }
.form-group label { display: block; font-weight: 600; margin-bottom: var(--space-xs); font-size: var(--text-sm); }
.form-group input, .form-group textarea {
  width: 100%;
  padding: var(--space-md);
  font-family: var(--font-body);
  font-size: var(--text-base);
  border: 1px solid var(--colour-border);
  border-radius: var(--radius-md);
  background: var(--colour-white);
}
.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--colour-accent);
  box-shadow: 0 0 0 3px rgba(27, 50, 82, 0.15);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-success { display: none; padding: var(--space-lg); background: #e8f5e9; border-radius: var(--radius-md); margin-top: var(--space-lg); }
.form-success.is-visible { display: block; }
.form-submit { margin-top: var(--space-md); }

.cta-block {
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
  background: var(--colour-bg-alt);
  border-radius: var(--radius-lg);
}
.cta-block h2 { font-family: var(--font-heading); font-size: var(--text-2xl); margin: 0 0 var(--space-md); }
.cta-block p { margin: 0 0 var(--space-xl); color: var(--colour-text-muted); }
.cta-block .btns { display: flex; flex-wrap: wrap; gap: var(--space-md); justify-content: center; }