/* Kenzo Fitness — Kinetic Editorial theme
   Shared styles that supplement the Tailwind CDN config declared inline on each page. */

:root {
  --surface: #131313;
  --surface-container-lowest: #0e0e0e;
  --surface-container-low: #1b1b1c;
  --surface-container: #202020;
  --surface-container-high: #2a2a2a;
  --surface-container-highest: #353535;
  --on-surface: #e5e2e1;
  --on-surface-variant: #c7c8b0;
  --primary: #eaff78;
  --primary-container: #cce34b;
  --on-primary: #2c3400;
  --outline-variant: #464836;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

html, body { background: var(--surface); color: var(--on-surface); }
body { font-family: 'Inter', system-ui, sans-serif; }
h1, h2, h3, h4, h5, h6, .headline { font-family: 'Space Grotesk', sans-serif; letter-spacing: -0.02em; }
.italic-black { font-family: 'Space Grotesk', sans-serif; font-weight: 900; font-style: italic; letter-spacing: -0.04em; }

.kinetic-gradient { background: linear-gradient(45deg, #eaff78 0%, #cce34b 100%); }
.kinetic-glow { box-shadow: 0 0 40px -10px rgba(204, 227, 75, 0.4); }

/* ===== Hover utilities ===== */
.lift-hover {
  transition: transform 400ms var(--ease-out-expo), box-shadow 400ms var(--ease-out-expo);
  will-change: transform;
}
.lift-hover:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 48px -18px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(234, 255, 120, 0.05);
}

.image-reveal-hover img {
  transition: transform 700ms var(--ease-out-expo), filter 500ms ease;
}
.image-reveal-hover:hover img {
  transform: scale(1.06);
}

.arrow-slide { display: inline-flex; align-items: center; gap: 0.5rem; }
.arrow-slide .arrow-icon { transition: transform 300ms var(--ease-out-expo); }
.arrow-slide:hover .arrow-icon { transform: translateX(6px); }

.cta-glow {
  position: relative;
  transition: transform 200ms ease, box-shadow 300ms ease;
}
.cta-glow:hover {
  box-shadow: 0 0 60px -8px rgba(204, 227, 75, 0.6), 0 0 0 1px rgba(204, 227, 75, 0.3);
}
.cta-glow:active { transform: scale(0.97); }

/* Underline slide-in for nav links */
.nav-link { position: relative; }
.nav-link::after {
  content: '';
  position: absolute; left: 0; right: 0; bottom: -6px;
  height: 2px;
  background: var(--primary-container);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 300ms var(--ease-out-expo);
}
.nav-link:hover::after { transform: scaleX(1); }
.nav-link.is-active { color: var(--primary-container); }
.nav-link.is-active::after { transform: scaleX(1); }

/* Service bento: reveal caption copy on hover */
.bento-card .bento-detail {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 400ms var(--ease-out-expo), transform 400ms var(--ease-out-expo);
}
.bento-card:hover .bento-detail,
.bento-card:focus-within .bento-detail {
  opacity: 1;
  transform: translateY(0);
}

/* Infinite vertical testimonial columns */
@keyframes scroll-y-up {
  from { transform: translateY(0); }
  to   { transform: translateY(-50%); }
}
.testimonial-track {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding-bottom: 1.5rem;
  animation: scroll-y-up var(--duration, 20s) linear infinite;
}
.testimonial-mask {
  mask-image: linear-gradient(to bottom, transparent, black 12%, black 88%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, transparent, black 12%, black 88%, transparent);
}
@media (prefers-reduced-motion: reduce) {
  .testimonial-track { animation: none; }
  .lift-hover, .image-reveal-hover img, .arrow-slide .arrow-icon, .cta-glow { transition: none !important; }
}

/* ===== Gallery flip-reveal ===== */
.gallery-grid { grid-auto-rows: 1fr; }
.gallery-item { transition: opacity 0.3s ease; }
.gallery-item.is-hidden { display: none; }

/* ===== Chips / filter buttons ===== */
.chip {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.625rem 1.125rem;
  background: var(--surface-container-high);
  color: var(--on-surface);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 0.25rem;
  transition: background 200ms ease, color 200ms ease, transform 200ms ease;
}
.chip:hover { background: var(--surface-container-highest); transform: translateY(-2px); }
.chip:active { transform: translateY(0); }
.chip[aria-pressed="true"] {
  background: var(--primary-container);
  color: var(--on-primary);
}

/* ===== Editorial input ===== */
.editorial-input {
  background: var(--surface-container-low);
  border: none;
  border-bottom: 2px solid var(--outline-variant);
  padding: 1rem 0.75rem;
  color: var(--on-surface);
  width: 100%;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  outline: none;
  border-radius: 0.25rem 0.25rem 0 0;
  transition: border-color 200ms ease, background 200ms ease;
}
.editorial-input::placeholder { color: #6b6b6b; }
.editorial-input:focus { border-bottom-color: var(--primary); background: var(--surface-container); }
.editorial-input:focus-visible { outline: 2px solid var(--primary); outline-offset: 4px; }

/* Focus rings for a11y */
a:focus-visible, button:focus-visible, .chip:focus-visible, [role="button"]:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

/* ===== Mobile menu ===== */
.mobile-menu { transform: translateX(100%); transition: transform 300ms var(--ease-out-expo); }
.mobile-menu.is-open { transform: translateX(0); }
body.no-scroll { overflow: hidden; }

/* ===== Accordion (animated <details> replacement) ===== */
.accordion-item {
  background: var(--surface-container-high);
  border-radius: 0.25rem;
  overflow: hidden;
}
.accordion-trigger {
  width: 100%;
  padding: 1.5rem 1.75rem;
  background: transparent;
  border: none;
  color: var(--on-surface);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 900;
  font-style: italic;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 1.125rem;
  transition: background 200ms ease;
}
.accordion-trigger:hover { background: var(--surface-container-highest); }
.accordion-trigger .accordion-icon {
  color: var(--primary);
  transition: transform 400ms var(--ease-out-expo);
  flex-shrink: 0;
}
.accordion-item[data-open="true"] .accordion-icon { transform: rotate(45deg); }

.accordion-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 400ms var(--ease-out-expo);
}
.accordion-item[data-open="true"] .accordion-panel { grid-template-rows: 1fr; }
.accordion-panel > div {
  overflow: hidden;
  min-height: 0;
}
.accordion-panel-inner {
  padding: 0 1.75rem 1.75rem;
  color: var(--on-surface-variant);
  line-height: 1.65;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 300ms ease 100ms, transform 300ms var(--ease-out-expo) 100ms;
}
.accordion-item[data-open="true"] .accordion-panel-inner {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .accordion-panel, .accordion-panel-inner, .accordion-icon { transition: none !important; }
}

/* ===== Reels carousel ===== */
.reels-scroll {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 1.5rem;
  scrollbar-width: thin;
  scrollbar-color: var(--surface-container-high) transparent;
}
.reels-scroll::-webkit-scrollbar { height: 6px; }
.reels-scroll::-webkit-scrollbar-track { background: transparent; }
.reels-scroll::-webkit-scrollbar-thumb { background: var(--surface-container-high); border-radius: 3px; }
.reel-card {
  flex: 0 0 auto;
  width: 220px;
  aspect-ratio: 9 / 16;
  scroll-snap-align: start;
  position: relative;
  overflow: hidden;
  border-radius: 0.5rem;
  background: var(--surface-container-high);
  cursor: pointer;
  transition: transform 400ms var(--ease-out-expo), box-shadow 400ms var(--ease-out-expo);
}
@media (min-width: 768px) { .reel-card { width: 260px; } }
.reel-card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 24px 48px -18px rgba(0,0,0,0.7), 0 0 0 1px rgba(234,255,120,0.12);
}
.reel-card video, .reel-card img.reel-poster {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.reel-card video { opacity: 0; transition: opacity 250ms ease; }
.reel-card.is-playing video { opacity: 1; }
.reel-card.is-playing img.reel-poster { opacity: 0; }
.reel-card img.reel-poster { transition: opacity 250ms ease; filter: saturate(0.85); }
.reel-card .reel-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(19,19,19,0.85) 0%, rgba(19,19,19,0) 45%);
  pointer-events: none;
}
.reel-card .reel-play {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  pointer-events: none;
  transition: opacity 250ms ease;
}
.reel-card .reel-play span {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(19,19,19,0.6); backdrop-filter: blur(12px);
  color: var(--primary);
  border-radius: 50%;
  transition: transform 300ms var(--ease-out-expo);
}
.reel-card:hover .reel-play span { transform: scale(1.12); }
.reel-card.is-playing .reel-play { opacity: 0; }
.reel-card .reel-label {
  position: absolute; left: 12px; bottom: 12px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 700;
  z-index: 2;
}

/* ===== Soft rounded corners on all elevated surfaces (4px per design system) ===== */
.r-lg { border-radius: 0.25rem; }
.r-xl { border-radius: 0.5rem; }