/* Overrides & custom styles to complement Tailwind */

/* Brand tokens (applied to key CTA and accents) */
:root{
  --brand-orange: #F97316;
  --brand-teal: #085F63;
  --brand-dark: #0f1724;
  --page-bg: #FFFFFF;
  --glass: rgba(255,255,255,0.86);
  --text-strong: #0f1724;
}

/* primary CTA (CertTech orange) */
.whatsapp-cta { background: linear-gradient(90deg, var(--brand-orange) 0%, color-mix(in srgb, var(--brand-orange) 85%, white 15%)) !important; color: #fff !important; transition: transform .12s ease, box-shadow .12s ease; will-change: transform; }

/* explicit button classes for consistent use */
.btn-primary { background: linear-gradient(90deg, var(--brand-orange) 0%, color-mix(in srgb, var(--brand-orange) 85%, white 15%)); box-shadow: 0 10px 30px rgba(249,115,22,0.12); transition: transform .12s ease; }
.btn-floating { background: var(--brand-orange); box-shadow: 0 12px 30px rgba(15,23,52,0.12); color: #fff; }

/* tactile feedback for fast interaction (reduces perceived INP) */
button:active, .whatsapp-cta:active, .btn-primary:active { transform: translateY(1px) scale(.998); }

/* Floating WhatsApp: deep 3D shadow, pulse waves and subtle tilt/scale on hover */
#floating-ws {
  position: fixed;
  right: 1rem;
  bottom: 1.5rem;
  z-index: 60;
  width: 56px;
  height: 56px;
  display: inline-grid;
  place-items: center;
  color: #fff;
  border-radius: 9999px;
  background: var(--brand-orange);
  cursor: pointer;
  transform-origin: center;
  /* deeper 3D shadow */
  box-shadow:
    0 6px 12px rgba(15,23,52,0.18),
    0 12px 30px rgba(15,23,52,0.12),
    0 24px 60px rgba(15,23,52,0.06);
  transition: transform 200ms cubic-bezier(.2,.9,.2,1), box-shadow 200ms ease;
  will-change: transform, box-shadow;
  overflow: visible;
}

/* subtle gentle hover: tilt + scale */
#floating-ws:hover {
  transform: rotate(5deg) scale(1.10);
  box-shadow:
    0 10px 20px rgba(15,23,52,0.20),
    0 22px 48px rgba(15,23,52,0.14),
    0 40px 90px rgba(15,23,52,0.08);
}

/* pulse waves: create two expanding rings via pseudo-elements */
#floating-ws::before,
#floating-ws::after {
  content: "";
  position: absolute;
  border-radius: 9999px;
  background: radial-gradient(circle at center, rgba(249,115,22,0.14) 0%, rgba(249,115,22,0.06) 30%, transparent 60%);
  width: 56px;
  height: 56px;
  left: 0;
  top: 0;
  transform: scale(1);
  opacity: 0;
  pointer-events: none;
}
#floating-ws::before {
  animation: ws-wave 3.6s infinite ease-out;
  animation-delay: 0s;
}
#floating-ws::after {
  animation: ws-wave 3.6s infinite ease-out;
  animation-delay: 1.8s;
}

@keyframes ws-wave {
  0% { transform: scale(0.9); opacity: 0.6; }
  40% { transform: scale(1.5); opacity: 0.18; }
  100% { transform: scale(2.6); opacity: 0; }
}

/* maintain existing pulse-cta for compatibility */
#floating-ws.pulse { animation: pulse-cta 2.6s infinite; }
@keyframes pulse-cta {
  0% { box-shadow: 0 6px 18px rgba(249,115,22,0.16); transform: translateY(0); }
  50% { box-shadow: 0 18px 40px rgba(249,115,22,0.10); transform: translateY(-3px); }
  100% { box-shadow: 0 6px 18px rgba(249,115,22,0.16); transform: translateY(0); }
}

/* Tooltip base (hidden) and JS-driven visible state for fade-in after 5s */
.ws-tooltip {
  position: absolute;
  right: 72px;
  bottom: 8px;
  background: rgba(15,23,52,0.95);
  color: white;
  font-size: 13px;
  padding: 8px 12px;
  border-radius: 10px;
  box-shadow: 0 8px 30px rgba(15,23,52,0.18);
  opacity: 0;
  transform: translateY(6px) scale(0.98);
  pointer-events: none;
  white-space: nowrap;
  transition: opacity 360ms cubic-bezier(.2,.9,.2,1), transform 360ms cubic-bezier(.2,.9,.2,1);
  z-index: 70;
}
.ws-tooltip::after {
  content: "";
  position: absolute;
  right: -8px;
  bottom: 10px;
  width: 8px;
  height: 8px;
  background: rgba(15,23,52,0.95);
  transform: rotate(45deg);
  border-radius: 1px;
}
/* visible modifier applied by JS after delay */
.ws-tooltip.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

/* Respect reduced motion: keep immediate state if user prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
  .ws-tooltip, .ws-tooltip.visible { transition: none !important; transform: none !important; opacity: 1 !important; pointer-events: auto !important; }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  #floating-ws::before, #floating-ws::after, #floating-ws, #floating-ws .ws-tooltip { animation: none !important; transition: none !important; }
}

/* header brand text color and teal accents */
nav .font-extrabold { color: var(--brand-teal) !important; }

/* subtle orange focus for actionable borders */
a.rounded-2xl[aria-current], a:focus, .whatsapp-cta:focus {
  outline: 3px solid rgba(249,115,22,0.12);
  outline-offset: 2px;
}

/* Floating WhatsApp uses brand accent shadow */
/* floating button styling handled by .btn-floating above */

/* keep existing comment */

/* Soft shadow token */
.shadow-soft { box-shadow: 0 8px 30px rgba(15, 23, 52, 0.08); }

/* Rounded and glass visuals */
.rounded-3xl { border-radius: 28px; background: var(--glass); }
.rounded-2xl { border-radius: 20px; }

/* Ensure content panels use clean white for max contrast */
section, article, footer { background-color: #FFFFFF; }

/* Play button inside thumbnails */
.video-thumb { position: relative; display: block; }
.video-thumb img { display: block; width: 100%; height: 100%; object-fit: cover; }
.video-thumb .play-btn { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); border: 6px solid rgba(255,255,255,0.88); background: rgba(255,255,255,0.9); }

/* Floating WhatsApp */
#floating-ws { transition: transform .18s ease, box-shadow .18s ease; }
#floating-ws:hover { transform: translateY(-4px); box-shadow: 0 16px 30px rgba(14,165,233,0.12); }

/* Simple animation utilities used by JS */
.animate-up { opacity: 0; transform: translateY(18px) scale(0.995); transition: opacity .6s cubic-bezier(.2,.9,.2,1), transform .6s cubic-bezier(.2,.9,.2,1); }
.animate-up.visible { opacity: 1; transform: translateY(0) scale(1); }

/* Details summary small style */
details summary { list-style: none; }
details summary::-webkit-details-marker { display:none; }

/* Accessibility helper */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ------------------------------------------------------------------
   Header menu micro-interactions (desktop)
   - Smooth text color change to brand teal and an animated orange underline
   - Underline implemented with ::after to keep HTML semantic and SEO-friendly
   ------------------------------------------------------------------*/
nav a {
  position: relative;
  color: inherit;
  transition: color 200ms ease;
  -webkit-tap-highlight-color: transparent;
  will-change: color;
}

/* underline pseudo-element (hidden by default) */
nav a::after{
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  bottom: -6px;
  height: 2px;
  width: 60%;
  background: var(--brand-orange);
  transform-origin: center;
  transition: transform 0.32s cubic-bezier(.2,.9,.2,1), opacity 0.32s ease;
  opacity: 0;
  border-radius: 2px;
}

/* hover/focus state expands underline and changes text color */
nav a:hover,
nav a:focus {
  color: var(--brand-teal) !important;
  outline: none;
}
nav a:hover::after,
nav a:focus::after {
  transform: translateX(-50%) scaleX(1);
  opacity: 1;
}

/* subtle direction variant: left-to-right expansion for browsers that prefer */
nav a[data-underline="ltr"]::after { left: 0; transform: scaleX(0); transform-origin: left; }
nav a[data-underline="ltr"]:hover::after,
nav a[data-underline="ltr"]:focus::after { transform: scaleX(1); }

/* ------------------------------------------------------------------
   Mobile menu feedback for .mobile-link
   - On tap/focus provide a soft slate background and teal text/icon color
   ------------------------------------------------------------------*/
.mobile-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px;
  border-radius: 10px;
  transition: background-color 160ms ease, color 160ms ease, transform 120ms ease;
  will-change: background-color, color;
  color: var(--brand-dark);
}
.mobile-link:active,
.mobile-link:focus,
.mobile-link:hover {
  background: #f1f5f9; /* bg-slate-100 */
  color: var(--brand-teal);
  transform: translateY(-1px);
}
.mobile-link svg { transition: color 160ms ease, filter 160ms ease; fill: currentColor; }
.mobile-link:active svg,
.mobile-link:focus svg,
.mobile-link:hover svg { color: var(--brand-teal); filter: none; }

/* ------------------------------------------------------------------
   Special highlight for Indicação menu (external/important CTA)
   - scale + icon brighten on hover, keeps HTML clean (no extra elements)
   ------------------------------------------------------------------*/
nav a[href="/indicacao.html"],
nav a[href="indicacao.html"] {
  transition: transform 180ms ease, filter 180ms ease;
  will-change: transform, filter;
}
nav a[href="/indicacao.html"]:hover,
nav a[href="indicacao.html"]:hover {
  transform: scale(1.05);
}
nav a[href="/indicacao.html"] svg,
nav a[href="indicacao.html"] svg {
  transition: transform 180ms ease, filter 220ms ease;
  transform-origin: center;
  filter: drop-shadow(0 6px 18px rgba(249,115,22,0.10));
}
nav a[href="/indicacao.html"]:hover svg,
nav a[href="indicacao.html"]:hover svg {
  transform: scale(1.08);
  filter: drop-shadow(0 14px 30px rgba(249,115,22,0.16)) brightness(1.05);
}

/* Make underline space stable (avoid layout shift) */
nav a { padding-bottom: 10px; }

/* Respect reduced-motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  nav a::after,
  nav a,
  .mobile-link,
  nav a[href="/indicacao.html"] { transition-duration: 0.01ms !important; transition-delay: 0s !important; animation: none !important; }
}