/* MY TRACKER - design tokens & utilities */
:root {
  color-scheme: light;
  --radius: 0.875rem;
  --header-bg: oklch(1 0 0);
  --background: oklch(0.99 0 0);
  --foreground: oklch(0.25 0 0);
  --card: oklch(1 0 0);
  --primary: oklch(0.5 0 0);
  --primary-foreground: oklch(0.99 0 0);
  --secondary: oklch(0.96 0 0);
  --secondary-foreground: oklch(0.3 0 0);
  --muted: oklch(0.96 0 0);
  --muted-foreground: oklch(0.5 0 0);
  --accent: oklch(0.88 0.27 142);
  --accent-foreground: oklch(0.2 0 0);
  --neon: oklch(0.88 0.27 142);
  --neon-glow: oklch(0.92 0.25 142);
  --gradient-hero: linear-gradient(135deg, oklch(0.5 0 0), oklch(0.3 0 0));
  --gradient-neon: linear-gradient(135deg, var(--neon), var(--neon-glow));
  --shadow-neon: 0 10px 40px -10px color-mix(in oklab, var(--neon) 60%, transparent);
  --shadow-soft: 0 10px 30px -12px oklch(0 0 0 / 0.18);
  --destructive: oklch(0.577 0.245 27.325);
  --border: oklch(0.92 0 0);
  --input: oklch(0.92 0 0);
  --ring: var(--neon);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --header-bg: oklch(0.16 0 0);
  --background: oklch(0.15 0 0);
  --foreground: oklch(0.96 0 0);
  --card: oklch(0.2 0 0);
  --primary: oklch(0.75 0 0);
  --primary-foreground: oklch(0.14 0 0);
  --secondary: oklch(0.22 0 0);
  --secondary-foreground: oklch(0.93 0 0);
  --muted: oklch(0.24 0 0);
  --muted-foreground: oklch(0.68 0 0);
  --accent: oklch(0.82 0.24 142);
  --accent-foreground: oklch(0.18 0 0);
  --neon: oklch(0.82 0.24 142);
  --neon-glow: oklch(0.72 0.22 142);
  --gradient-hero: linear-gradient(135deg, oklch(0.32 0 0), oklch(0.18 0 0));
  --shadow-neon: 0 10px 40px -10px color-mix(in oklab, var(--neon) 45%, transparent);
  --shadow-soft: 0 14px 36px -14px oklch(0 0 0 / 0.55);
  --destructive: oklch(0.62 0.2 27);
  --border: oklch(0.32 0 0);
  --input: oklch(0.26 0 0);
  --ring: var(--neon);
}

html[data-theme="light"] {
  color-scheme: light;
}

* { border-color: var(--border); }
html { scroll-behavior: smooth; }
body {
  background-color: var(--background);
  color: var(--foreground);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  transition: background-color 0.35s ease, color 0.35s ease;
}

.site-header,
.site-header-dropdown {
  background-color: var(--header-bg);
}

/* Faixa "Sistema": sempre escura, independente do tema da página */
.band-sistema {
  background-color: oklch(0.14 0 0);
}

/* Utility helpers used as classes */
.text-neon { color: var(--neon); }
.bg-neon { background-color: var(--neon); }
.border-neon { border-color: var(--neon); }
.glow-neon { box-shadow: var(--shadow-neon); }
.gradient-neon { background-image: var(--gradient-neon); }
.gradient-hero { background-image: var(--gradient-hero); }
.shadow-soft { box-shadow: var(--shadow-soft); }

.btn-neon {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.875rem 1.5rem; border-radius: 9999px;
  background: var(--neon); color: oklch(0.2 0 0);
  font-weight: 700; letter-spacing: 0.01em;
  box-shadow: var(--shadow-neon);
  transition: transform .25s ease, box-shadow .25s ease, filter .25s ease;
  border: none; cursor: pointer;
}
.btn-neon:hover { transform: translateY(-2px) scale(1.03); filter: brightness(1.05); }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.8rem 1.4rem; border-radius: 9999px;
  border: 1.5px solid var(--neon); color: var(--foreground);
  font-weight: 600;
  transition: all .25s ease;
}
.btn-ghost:hover { background: var(--neon); color: oklch(0.2 0 0); }

.reveal { opacity: 0; transform: translateY(24px); transition: all .7s ease; }
.reveal.in { opacity: 1; transform: none; }

@keyframes float-slow { 0%,100% { transform: translateY(0) } 50% { transform: translateY(-10px) } }
.animate-float { animation: float-slow 5s ease-in-out infinite; }

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 color-mix(in oklab, var(--neon) 60%, transparent); }
  70% { box-shadow: 0 0 0 18px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}
.pulse-ring { animation: pulse-ring 2s infinite; }

@keyframes slide-up { from { opacity:0; transform: translateY(20px) } to { opacity:1; transform:none } }
.animate-slide-up { animation: slide-up .5s ease-out both; }

@keyframes fade-in { from { opacity: 0 } to { opacity: 1 } }
.animate-fade-in { animation: fade-in .5s ease both; }

#mobile-nav.open { display: flex; }

/* Nav section links: bold + neon pill on hover / active */
.nav-section-link {
  font-weight: 700;
  border-radius: 9999px;
  padding: 0.5rem 1rem;
  transition: background-color 0.2s ease, color 0.2s ease;
  color: var(--foreground);
}
.nav-section-link:hover,
.nav-section-link.is-active {
  background-color: var(--neon);
  color: oklch(0.2 0 0);
}

.nav-section-link--mobile {
  display: block;
  border-radius: 0.75rem;
  padding: 0.65rem 1rem;
}

/* Hero: mouse scroll cue (replaces text hint) */
@keyframes hero-mouse-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(10px); }
}

@keyframes hero-wheel-nudge {
  0% { transform: translateY(0); opacity: 1; }
  45% { transform: translateY(12px); opacity: 0.35; }
  55% { transform: translateY(12px); opacity: 0.35; }
  100% { transform: translateY(0); opacity: 1; }
}

.hero-scroll-hint {
  pointer-events: none;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.45));
}

.hero-scroll-mouse-wrap {
  animation: hero-mouse-bob 2.2s ease-in-out infinite;
}

.hero-scroll-mouse-svg {
  display: block;
  color: rgba(255, 255, 255, 0.92);
}

.hero-scroll-wheel {
  transform-box: fill-box;
  transform-origin: 50% 30%;
  animation: hero-wheel-nudge 2.2s ease-in-out infinite;
}