/* ==========================================================================
   Sąsiedzkie Pogotowie IT — Custom Styles & Micro-interactions
   Base palette: #0f172a (bg), #1e293b (cards), #3b82f6 (blue), #10b981 (emerald)
   ========================================================================== */

:root {
  color-scheme: dark;
  interpolate-size: allow-keywords;
  --bg-primary: #0f172a;
  --bg-deep: #020617;
  --bg-card: #1e293b;
  --accent-blue: #3b82f6;
  --accent-emerald: #10b981;
  --border-subtle: #1e293b;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
  background-color: var(--bg-primary);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
  background-color: var(--bg-primary);
  color: #f8fafc;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Subtle technical grid background */
.bg-tech-grid {
  background-size: 40px 40px;
  background-image:
    linear-gradient(to right, rgba(148, 163, 184, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(148, 163, 184, 0.05) 1px, transparent 1px);
  mask-image: radial-gradient(ellipse 80% 70% at 50% 25%, #000 45%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 25%, #000 45%, transparent 100%);
}

/* Ambient radial glows */
.hero-glow-blue {
  background: radial-gradient(circle, rgba(59, 130, 246, 0.18) 0%, rgba(15, 23, 42, 0) 70%);
}

.hero-glow-emerald {
  background: radial-gradient(circle, rgba(16, 185, 129, 0.13) 0%, rgba(15, 23, 42, 0) 70%);
}

/* Service & feature cards hover elevation and subtle top border highlight */
.service-card {
  position: relative;
  background: linear-gradient(180deg, rgba(30, 41, 59, 0.92) 0%, rgba(30, 41, 59, 0.72) 100%);
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1),
              border-color 0.28s ease,
              box-shadow 0.28s ease,
              background-color 0.28s ease;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.45), rgba(16, 185, 129, 0.25), transparent 65%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.28s ease;
  pointer-events: none;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(59, 130, 246, 0.45);
  box-shadow: 0 20px 40px -15px rgba(2, 6, 23, 0.75),
              0 0 28px -8px rgba(59, 130, 246, 0.22);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card:hover .service-icon-box {
  transform: scale(1.07);
  background-color: rgba(59, 130, 246, 0.2);
  border-color: rgba(59, 130, 246, 0.5);
  color: #60a5fa;
}

.service-icon-box {
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1),
              background-color 0.28s ease,
              border-color 0.28s ease,
              color 0.28s ease;
}

/* Scroll reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--reveal-delay, 0ms);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Smooth FAQ Accordion using native <details> + interpolate-size */
details.faq-item > summary::-webkit-details-marker {
  display: none;
}

details.faq-item::details-content {
  block-size: 0;
  overflow: hidden;
  opacity: 0;
  transition: block-size 0.3s cubic-bezier(0.22, 1, 0.36, 1),
              opacity 0.25s ease,
              content-visibility 0.3s allow-discrete;
}

details.faq-item[open]::details-content {
  block-size: auto;
  opacity: 1;
}

details.faq-item[open] {
  border-color: rgba(59, 130, 246, 0.45);
  background-color: rgba(30, 41, 59, 0.95);
}

details.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
  color: #60a5fa;
}

.faq-chevron {
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1), color 0.2s ease;
}

/* Larger touch targets on coarse pointers (smartphones) */
@media (pointer: coarse) {
  #contact-form input {
    min-height: 52px;
  }
}

/* Native dialog styling & backdrop */
dialog#quick-contact-modal::backdrop {
  background: rgba(2, 6, 23, 0.78);
  backdrop-filter: blur(6px);
}

dialog#quick-contact-modal[open] {
  animation: modalFadeIn 0.22s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Active navigation link indicator */
.nav-link.is-active {
  color: #f8fafc;
}

.nav-link.is-active::after {
  transform: scaleX(1);
}

/* Accessible focus outlines */
:focus-visible {
  outline: 2px solid #3b82f6;
  outline-offset: 3px;
  border-radius: 0.5rem;
}

/* Custom subtle dark scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: #0f172a;
}

::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: 9999px;
  border: 2px solid #0f172a;
}

::-webkit-scrollbar-thumb:hover {
  background: #475569;
}

/* Respect reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .service-card,
  .service-icon-box,
  details.faq-item::details-content,
  .faq-chevron {
    transition: none !important;
  }
}