/* SpareOS — custom styles layered on top of Tailwind utilities */

:root {
  --brand-950: #041711;
  --brand-900: #0c3826;
  --brand-800: #0f452f;
  --brand-700: #12563a;
  --brand-600: #176c4a;
  --brand-500: #2f8563;
  --brand-400: #4fa47d;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Plus Jakarta Sans", ui-sans-serif, system-ui, -apple-system, sans-serif;
}

/* Top scroll-progress bar */
#scroll-progress {
  transition: width 0.15s ease-out;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--brand-600);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: 0 0 0.5rem 0;
  font-weight: 600;
}
.skip-link:focus {
  left: 0;
}

/* Scroll-reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal-group] > * {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-reveal-group].is-visible > * {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal-group].is-visible > *:nth-child(1) { transition-delay: 0ms; }
[data-reveal-group].is-visible > *:nth-child(2) { transition-delay: 90ms; }
[data-reveal-group].is-visible > *:nth-child(3) { transition-delay: 180ms; }
[data-reveal-group].is-visible > *:nth-child(4) { transition-delay: 270ms; }
[data-reveal-group].is-visible > *:nth-child(5) { transition-delay: 360ms; }
[data-reveal-group].is-visible > *:nth-child(6) { transition-delay: 450ms; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal], [data-reveal-group] > * {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* Hero product mockup — gentle idle float on the callout badges */
@keyframes gentle-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.float-badge {
  animation: gentle-float 4s ease-in-out infinite;
}
.float-badge-delay {
  animation-delay: 1.4s;
}
@media (prefers-reduced-motion: reduce) {
  .float-badge {
    animation: none;
  }
}

/* Testimonial cards — gentle independent idle float */
@keyframes gentle-float-card {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
.float-card {
  animation: gentle-float-card 6s ease-in-out infinite;
}
.float-card-delay-1 { animation-delay: 1.5s; }
.float-card-delay-2 { animation-delay: 3s; }
.float-card-delay-3 { animation-delay: 4.5s; }
@media (prefers-reduced-motion: reduce) {
  .float-card {
    animation: none;
  }
}

/* Focus visibility */
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--brand-500);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Mobile nav panel */
#mobile-menu[data-open="false"] {
  display: none;
}

/* Language switch active state */
[data-lang-btn][aria-pressed="true"] {
  background-color: var(--brand-600);
  color: #fff;
}

/* FAQ accordion */
.faq-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.faq-panel.is-open {
  grid-template-rows: 1fr;
}
.faq-panel > div {
  overflow: hidden;
}
.faq-icon {
  transition: transform 0.3s ease;
}
.faq-trigger[aria-expanded="true"] .faq-icon {
  transform: rotate(180deg);
}
@media (prefers-reduced-motion: reduce) {
  .faq-panel {
    transition: none;
  }
}