/* ============================================================
   Charlie's Perfect Paws — Premium Design System
   Palette, typography, components, animations
   ============================================================ */

:root {
  /* Colour palette */
  --cream:        #FAF5EC;
  --cream-deep:   #F3EADA;
  --soft-white:   #FFFDF9;
  --beige:        #E9DECB;
  --beige-soft:   #F0E7D8;
  --charcoal:     #26241F;
  --charcoal-soft:#4A463E;
  --muted:        #7C766B;
  --sage:         #7E9070;
  --sage-deep:    #566A4C;
  --sage-soft:    #A8B79B;
  --gold:         #C3A15A;
  --gold-soft:    #D9C089;
  --line:         rgba(38, 36, 31, 0.08);

  /* Type */
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-body:  'Plus Jakarta Sans', system-ui, sans-serif;

  /* Shadows */
  --shadow-sm: 0 2px 10px rgba(38, 36, 31, 0.05);
  --shadow-md: 0 14px 40px -18px rgba(38, 36, 31, 0.22);
  --shadow-lg: 0 30px 70px -30px rgba(38, 36, 31, 0.30);
  --shadow-gold: 0 18px 40px -18px rgba(195, 161, 90, 0.45);

  /* Layout */
  --radius: 22px;
  --radius-lg: 34px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Base ---------- */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--charcoal);
  background: var(--cream);
  line-height: 1.65;
  overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 600; line-height: 1.08; letter-spacing: -0.01em; }

::selection { background: var(--sage-soft); color: var(--charcoal); }

a { color: inherit; text-decoration: none; }

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

.eyebrow {
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--sage-deep);
}

/* ---------- Layered / organic backgrounds ---------- */
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.5;
  z-index: 0;
  pointer-events: none;
}

.grain::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.4'/%3E%3C/svg%3E");
  opacity: 0.035;
  pointer-events: none;
  mix-blend-mode: multiply;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1rem 1.9rem;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease), background 0.4s var(--ease), color 0.4s var(--ease);
  will-change: transform;
}
.btn svg { transition: transform 0.5s var(--ease); }
.btn:hover svg { transform: translateX(4px); }

.btn-primary {
  background: linear-gradient(135deg, var(--sage) 0%, var(--sage-deep) 100%);
  color: #fff;
  box-shadow: var(--shadow-md);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

.btn-gold {
  background: linear-gradient(135deg, var(--gold-soft) 0%, var(--gold) 100%);
  color: #3a2f14;
  box-shadow: var(--shadow-gold);
}
.btn-gold:hover { transform: translateY(-3px); box-shadow: 0 26px 50px -18px rgba(195, 161, 90, 0.6); }

.btn-ghost {
  background: rgba(255, 255, 255, 0.5);
  border-color: var(--line);
  color: var(--charcoal);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { transform: translateY(-3px); background: #fff; box-shadow: var(--shadow-sm); }

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 90;
  transition: background 0.5s var(--ease), box-shadow 0.5s var(--ease), padding 0.5s var(--ease), border-color 0.5s var(--ease);
  padding: 1.4rem 0;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(250, 245, 236, 0.72);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  box-shadow: 0 10px 40px -24px rgba(38, 36, 31, 0.35);
  border-color: var(--line);
  padding: 0.85rem 0;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; }

.brand { display: flex; align-items: center; gap: 0.7rem; font-family: var(--font-serif); font-size: 1.35rem; font-weight: 700; letter-spacing: -0.01em; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 14px; flex: none;
  background: linear-gradient(135deg, var(--sage) 0%, var(--sage-deep) 100%);
  display: grid; place-items: center; color: #fff;
  box-shadow: var(--shadow-sm);
}
.brand small { display: block; font-family: var(--font-body); font-size: 0.6rem; letter-spacing: 0.26em; text-transform: uppercase; color: var(--muted); font-weight: 700; margin-top: 2px; }

.nav-links { display: flex; align-items: center; gap: 2.1rem; }
.nav-link { position: relative; font-weight: 500; font-size: 0.96rem; padding: 4px 0; color: var(--charcoal-soft); }
.nav-link::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 2px; width: 100%;
  background: var(--sage-deep); transform: scaleX(0); transform-origin: right; transition: transform 0.45s var(--ease);
  border-radius: 2px;
}
.nav-link:hover { color: var(--charcoal); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); transform-origin: left; }
.nav-link.active { color: var(--charcoal); }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; width: 46px; height: 46px; border-radius: 14px; align-items: center; justify-content: center; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--charcoal); border-radius: 2px; position: relative; transition: 0.4s var(--ease); }
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; width: 22px; height: 2px; background: var(--charcoal); border-radius: 2px; transition: 0.4s var(--ease); }
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }
body.menu-open .nav-toggle span { background: transparent; }
body.menu-open .nav-toggle span::before { top: 0; transform: rotate(45deg); }
body.menu-open .nav-toggle span::after { top: 0; transform: rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: 80;
  background: rgba(250, 245, 236, 0.96);
  backdrop-filter: blur(20px);
  display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 0.4rem;
  opacity: 0; visibility: hidden; transition: opacity 0.5s var(--ease), visibility 0.5s var(--ease);
}
body.menu-open .mobile-menu { opacity: 1; visibility: visible; }
.mobile-menu a { font-family: var(--font-serif); font-size: 2rem; color: var(--charcoal); padding: 0.4rem 1rem; opacity: 0; transform: translateY(18px); transition: opacity 0.5s var(--ease), transform 0.5s var(--ease); }
body.menu-open .mobile-menu a { opacity: 1; transform: translateY(0); }
body.menu-open .mobile-menu a:nth-child(1) { transition-delay: 0.08s; }
body.menu-open .mobile-menu a:nth-child(2) { transition-delay: 0.14s; }
body.menu-open .mobile-menu a:nth-child(3) { transition-delay: 0.20s; }
body.menu-open .mobile-menu a:nth-child(4) { transition-delay: 0.26s; }
body.menu-open .mobile-menu a:nth-child(5) { transition-delay: 0.32s; }
body.menu-open .mobile-menu a:nth-child(6) { transition-delay: 0.38s; }
body.menu-open .mobile-menu a:nth-child(7) { transition-delay: 0.44s; }
.mobile-menu .btn { margin-top: 1rem; font-size: 1rem; }

/* ---------- Cards ---------- */
.card {
  background: var(--soft-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  transition: transform 0.6s var(--ease), box-shadow 0.6s var(--ease);
}
.card-lift:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }

.glass {
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(16px) saturate(130%);
  -webkit-backdrop-filter: blur(16px) saturate(130%);
  border: 1px solid rgba(255, 255, 255, 0.6);
}

/* Service icon chip */
.chip {
  width: 62px; height: 62px; border-radius: 20px; flex: none;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--beige-soft), var(--cream-deep));
  color: var(--sage-deep);
  transition: transform 0.6s var(--ease), background 0.6s var(--ease), color 0.6s var(--ease);
}
.card-lift:hover .chip, .feature:hover .chip { transform: rotate(-6deg) scale(1.06); background: linear-gradient(135deg, var(--sage) , var(--sage-deep)); color: #fff; }

/* ---------- Image placeholders (swap with real photography) ---------- */
.photo {
  position: relative; overflow: hidden; border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--beige) 0%, var(--cream-deep) 45%, var(--sage-soft) 100%);
  isolation: isolate;
}
.photo::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(120% 80% at 20% 15%, rgba(255,255,255,0.55), transparent 55%),
    radial-gradient(90% 70% at 85% 90%, rgba(86,106,76,0.35), transparent 60%);
}
.photo .paw {
  position: absolute; inset: 0; margin: auto; width: 46%; max-width: 150px; opacity: 0.4; color: var(--soft-white);
  filter: drop-shadow(0 8px 20px rgba(38,36,31,0.15));
}
.photo .tag {
  position: absolute; left: 16px; bottom: 14px; z-index: 2;
  font-size: 0.66rem; letter-spacing: 0.18em; text-transform: uppercase; font-weight: 700;
  color: rgba(255,255,255,0.9); background: rgba(38,36,31,0.28); padding: 6px 12px; border-radius: 100px;
  backdrop-filter: blur(6px);
}
.photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

/* Ken-burns hover for gallery / images */
.zoomable img, .zoomable .paw { transition: transform 1.2s var(--ease); }
.zoomable:hover img, .zoomable:hover .paw { transform: scale(1.08); }

/* ---------- Stats / counters ---------- */
.stat-num { font-family: var(--font-serif); font-size: clamp(2.6rem, 5vw, 3.6rem); line-height: 1; color: var(--charcoal); }

/* ---------- Testimonials slider ---------- */
.slider { position: relative; overflow: hidden; }
.slides { display: flex; transition: transform 0.7s var(--ease); }
.slide { min-width: 100%; padding: 0 4px; }
.slider-dots { display: flex; gap: 10px; justify-content: center; margin-top: 2.4rem; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--beige); border: none; cursor: pointer; transition: 0.4s var(--ease); }
.dot.active { background: var(--sage-deep); width: 30px; border-radius: 100px; }
.slider-arrow { width: 54px; height: 54px; border-radius: 50%; border: 1px solid var(--line); background: var(--soft-white); cursor: pointer; display: grid; place-items: center; transition: 0.4s var(--ease); color: var(--charcoal); }
.slider-arrow:hover { background: var(--sage-deep); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }

.stars { display: inline-flex; gap: 3px; color: var(--gold); }

/* ---------- Masonry gallery ---------- */
.masonry { columns: 3; column-gap: 20px; }
.masonry > * { break-inside: avoid; margin-bottom: 20px; cursor: zoom-in; }
@media (max-width: 900px) { .masonry { columns: 2; } }
@media (max-width: 560px) { .masonry { columns: 1; } }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 120; background: rgba(28, 26, 22, 0.86);
  backdrop-filter: blur(10px);
  display: flex; align-items: center; justify-content: center; padding: 5vw;
  opacity: 0; visibility: hidden; transition: opacity 0.4s var(--ease), visibility 0.4s var(--ease);
}
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox-inner { width: min(720px, 92vw); aspect-ratio: 4/3; border-radius: 26px; overflow: hidden; box-shadow: var(--shadow-lg); transform: scale(0.94); transition: transform 0.5s var(--ease); }
.lightbox.open .lightbox-inner { transform: scale(1); }
.lightbox-close { position: absolute; top: 24px; right: 28px; width: 50px; height: 50px; border-radius: 50%; border: none; background: rgba(255,255,255,0.15); color: #fff; cursor: pointer; font-size: 1.4rem; transition: 0.3s var(--ease); }
.lightbox-close:hover { background: rgba(255,255,255,0.3); transform: rotate(90deg); }

/* ---------- Accordion (FAQ) ---------- */
.acc-item { border-bottom: 1px solid var(--line); }
.acc-q { width: 100%; text-align: left; background: none; border: none; cursor: pointer; padding: 1.6rem 0; display: flex; justify-content: space-between; align-items: center; gap: 1rem; font-family: var(--font-serif); font-size: 1.2rem; color: var(--charcoal); }
.acc-icon { flex: none; width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; transition: 0.45s var(--ease); color: var(--sage-deep); }
.acc-item.open .acc-icon { transform: rotate(45deg); background: var(--sage-deep); color: #fff; border-color: var(--sage-deep); }
.acc-a { max-height: 0; overflow: hidden; transition: max-height 0.5s var(--ease); }
.acc-a-inner { padding-bottom: 1.6rem; color: var(--muted); max-width: 60ch; }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
.reveal.d4 { transition-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Marquee ---------- */
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: flex; gap: 3.5rem; width: max-content; animation: scrollx 34s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes scrollx { to { transform: translateX(-50%); } }

/* ---------- Floating gentle animation ---------- */
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
.float { animation: floaty 7s ease-in-out infinite; }
.float.slow { animation-duration: 10s; }

/* ---------- Utility ---------- */
.divider-wave { display: block; width: 100%; line-height: 0; }
.link-underline { position: relative; }
.link-underline::after { content: ""; position: absolute; left: 0; bottom: -2px; height: 1px; width: 100%; background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform 0.4s var(--ease); }
.link-underline:hover::after { transform: scaleX(1); transform-origin: left; }

.container { max-width: 1220px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.section { padding: 96px 0; }
.center-narrow { max-width: 720px; margin: 0 auto; text-align: center; }
.h2 { font-size: clamp(2.1rem, 4vw, 3rem); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .services-grid, .masonry-static { grid-template-columns: repeat(2, 1fr) !important; }
  .why-grid { grid-template-columns: 1fr !important; }
  .why-grid > div:first-child { position: static !important; }
  .footer-grid { grid-template-columns: 1fr 1fr !important; }
  .trust-grid { grid-template-columns: repeat(3, 1fr) !important; }
  .trust-grid > div:nth-child(4), .trust-grid > div:nth-child(5) { grid-column: span 1; }
}

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .hero-grid, .about-grid { grid-template-columns: 1fr !important; }
  .hero-grid { gap: 40px !important; }
  .about-grid { gap: 70px !important; }
  .feature-grid { grid-template-columns: 1fr !important; }
  .gallery-strip { grid-template-columns: repeat(2, 1fr) !important; }
  .gallery-strip > *:nth-child(2), .gallery-strip > *:nth-child(4) { margin-top: 0 !important; }
  .split-grid { grid-template-columns: 1fr !important; }
  .contact-grid { grid-template-columns: 1fr !important; }
}

@media (max-width: 620px) {
  .hero { padding-top: 150px !important; }
  .services-grid, .trust-grid, .masonry-static { grid-template-columns: 1fr !important; }
  .footer-grid { grid-template-columns: 1fr !important; gap: 32px !important; }
  .gallery-strip { grid-template-columns: 1fr !important; }
  .section, section { padding-top: 64px; padding-bottom: 64px; }
  .btn { width: 100%; justify-content: center; }
  .nav-hide-sm { display: none; }
}