/* Base */
body { font-family: var(--font-body); }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); }

/* Grid overlay */
.grid-line-v {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--grid-color);
  z-index: 0;
}
.grid-line-h {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--grid-color);
  z-index: 0;
}
/* Section-internal grid helper: acima do bg da section, atras do conteudo */
.section-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.section-grid > span {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--grid-color);
}
.section-grid > span.gl-1 { left: 6%; }
.section-grid > span.gl-2 { left: 28%; }
.section-grid > span.gl-3 { left: 62%; }
.section-grid > span.gl-4 { right: 6%; }
@media (max-width: 1023px) { .section-grid { display: none; } }
.grid-line-v.pos-1 { left: var(--gx-1); }
.grid-line-v.pos-2 { left: var(--gx-2); }
.grid-line-v.pos-3 { left: var(--gx-3); }
.grid-line-v.pos-4 { left: var(--gx-4); }
.grid-line-h.pos-top { top: var(--gy-1); }
.grid-line-h.pos-mid { top: 35%; }
.grid-line-h.pos-bot { top: 75%; }
.marker {
  position: absolute;
  width: 5px;
  height: 5px;
  background-color: #0F172A;
  z-index: 30;
  opacity: 0;
  animation: fade-in 0.5s ease-out 1s forwards;
}

/* Animations */
@keyframes reveal-up {
  0% { clip-path: inset(100% 0 0 0); transform: translateY(20px); opacity: 0; }
  100% { clip-path: inset(0 0 0 0); transform: translateY(0); opacity: 1; }
}
@keyframes fade-in {
  0% { opacity: 0; }
  100% { opacity: 1; }
}
@keyframes beam-h {
  0% { left: -200px; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { left: 100%; opacity: 0; }
}
@keyframes beam-v {
  0% { top: -200px; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes pulse-dot { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

.animate-reveal {
  opacity: 0;
  animation: reveal-up 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.scroll-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: all 1s cubic-bezier(0.16, 1, 0.3, 1);
}
.scroll-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.delay-100 { animation-delay: 0.1s; transition-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; transition-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; transition-delay: 0.3s; }
.delay-500 { animation-delay: 0.5s; transition-delay: 0.5s; }

/* Beams */
.beam-h {
  position: absolute;
  height: 1px;
  width: 200px;
  background: linear-gradient(90deg, transparent, var(--beam-color), transparent);
  z-index: 10;
  opacity: 0;
}
.beam-v {
  position: absolute;
  width: 1px;
  height: 200px;
  background: linear-gradient(180deg, transparent, var(--beam-color), transparent);
  z-index: 10;
  opacity: 0;
}
/* Beam animation presets */
.beam-h.beam-5s-inf { animation: beam-h 5s infinite; }
.beam-h.beam-6s-rev { animation: beam-h 6s infinite reverse; }
.beam-v.beam-4s-inf { animation: beam-v 4s infinite; }
.beam-v.beam-6s-d2  { animation: beam-v 6s infinite 2s; }

/* Marker positioning helper (already has -top/-left via Tailwind when possible) */
.marker { /* base already defined above */ }

/* Wave background mask (UnicornStudio) */
.wave-mask {
  mask-image: linear-gradient(to bottom, transparent, black 0%, black 80%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, transparent, black 0%, black 80%, transparent);
}

/* Mask linear fade (marquee in-network, hero) */
.mask-linear-fade {
  mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}

/* Marquee scroll (used inside hero sidebar) */
@keyframes marquee-scroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
.animate-marquee { animation: marquee-scroll 30s linear infinite; }

/* Card glow — follow mouse position */
.card-glow { position: relative; overflow: hidden; }
.card-glow::before {
  content: "";
  position: absolute;
  inset: -1px;
  background: radial-gradient(400px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
              rgba(20, 184, 166, 0.10), transparent 40%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
  z-index: 0;
}
.card-glow:hover::before { opacity: 1; }
.card-glow > * { position: relative; z-index: 1; }

/* Mobile menu transitions */
#mobile-menu {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
}
#mobile-menu.hidden-menu {
  transform: translateY(-20px);
  opacity: 0;
  pointer-events: none;
}
#mobile-menu.visible-menu {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* Loading screen (reestilizado — ADR-004) */
#loading-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1.5rem;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}
#loading-screen.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
#loading-screen .loader-ring {
  width: 48px;
  height: 48px;
  border: 3px solid var(--color-primary-100);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}
#loading-screen .loader-label {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary-ink);
}

/* Lightbox */
#lightbox {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
#lightbox.is-open { display: flex; }
#lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}
#lightbox button {
  position: absolute;
  background: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 9999px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  backdrop-filter: blur(6px);
  transition: background 0.2s;
}
#lightbox button:hover { background: rgba(255, 255, 255, 0.22); }
#lightbox .lb-close { top: 1.5rem; right: 1.5rem; }
#lightbox .lb-prev { left: 1.5rem; top: 50%; transform: translateY(-50%); }
#lightbox .lb-next { right: 1.5rem; top: 50%; transform: translateY(-50%); }

/* Back to top */
#back-to-top {
  position: fixed;
  bottom: 6.5rem;
  right: 1.5rem;
  z-index: 50;
  width: 44px;
  height: 44px;
  border-radius: 9999px;
  background: #FFFFFF;
  color: var(--color-primary-ink);
  border: 1px solid var(--color-border-subtle);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s, transform 0.3s, background 0.2s;
  pointer-events: none;
}
#back-to-top.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
#back-to-top:hover { background: var(--color-primary-50); }

/* Accessibility focus */
a:focus-visible,
button:focus-visible,
[role="button"]:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .animate-reveal,
  .scroll-reveal,
  .beam-h,
  .beam-v,
  .marker,
  #loading-screen .loader-ring {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
    clip-path: none !important;
  }
  .scroll-reveal { opacity: 1; transform: none; }
}