/* ============================================================
   NOTAS PRIME — Design System V2
   Ethereal Glass + Editorial Luxury. Agency-grade execution.
   ============================================================ */

:root {
  /* Background — deep OLED space */
  --bg-primary: #050505;
  --bg-secondary: #080808;
  --bg-elevated: #0d0d0d;
  --bg-card: #111111;
  --bg-border: rgba(255,255,255,0.06);

  /* Texto */
  --text-primary: #f7f7f7;
  --text-secondary: #a0a0a0;
  --text-muted: #666666;
  --text-inverse: #050505;

  /* Accent — dourado refinado */
  --accent: #00d992;
  --accent-light: #4de3ad;
  --accent-dark: #00a876;
  --accent-glow: rgba(0, 217, 146, 0.12);

  /* Estados */
  --success: #22c55e;
  --error: #ef4444;

  /* Tipografia */
  --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Espaçamento */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  /* Bordas — precisas, não "SaaS fofo" */
  --radius-sm: 3px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;

  /* Easing premium */
  --ease-fluid: cubic-bezier(0.32, 0.72, 0, 1);
  --ease-snap: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-lux: cubic-bezier(0.4, 0, 0.2, 1);

  /* Transições */
  --transition-fast: 200ms var(--ease-fluid);
  --transition-base: 400ms var(--ease-fluid);
  --transition-slow: 700ms var(--ease-fluid);

  /* Layout */
  --container-max: 1280px;
  --header-height: 96px;
}

/* Reset */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Film grain overlay — fixed, pointer-events-none */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

@media (min-width: 768px) {
  .container { padding: 0 var(--space-lg); }
}

@media (min-width: 1024px) {
  .container { padding: 0 var(--space-xl); }
}

/* ============================================================
   BOTÕES — Island + Button-in-Button
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 0.9375rem 1.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 999px;
  transition: transform var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
  position: relative;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--accent);
  color: var(--text-inverse);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.08) inset, 0 8px 32px rgba(0,217,146,0.18);
}

.btn-primary:hover {
  background: var(--accent-light);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.12) inset, 0 12px 40px rgba(0,217,146,0.28);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent) inset;
}

.btn-outline:hover {
  background: var(--accent);
  color: var(--text-inverse);
}

.btn-ghost {
  background: rgba(255,255,255,0.03);
  color: var(--text-secondary);
  box-shadow: 0 0 0 1px var(--bg-border) inset;
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.1) inset;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(0,0,0,0.08);
  transition: transform var(--transition-fast);
}

.group:hover .btn-icon {
  transform: translate(2px, -1px) scale(1.05);
}

/* ============================================================
   TIPOGRAFIA
   ============================================================ */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--accent);
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: rgba(0, 217, 146, 0.08);
  box-shadow: 0 0 0 1px rgba(0,217,146,0.15) inset;
  margin-bottom: var(--space-md);
}

.section-label {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5.5vw, 4rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 560px;
}

.text-gradient {
  color: var(--accent);
}

/* ============================================================
   DOUBLE-BEZEL (Doppelrand)
   ============================================================ */

.bezel {
  padding: 10px;
  background: rgba(255,255,255,0.02);
  border-radius: calc(var(--radius-xl) + 4px);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.05) inset;
}

.bezel-inner {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: inset 0 1px 1px rgba(255,255,255,0.06), 0 24px 60px rgba(0,0,0,0.45);
  overflow: hidden;
}

/* ============================================================
   CARD
   ============================================================ */

.card {
  background: var(--bg-card);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  border-color: rgba(255,255,255,0.1);
  transform: translateY(-6px);
  box-shadow: 0 32px 64px rgba(0,0,0,0.35);
}

/* ============================================================
   ANIMAÇÕES
   ============================================================ */

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); filter: blur(8px); }
  to { opacity: 1; transform: translateY(0); filter: blur(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(0, 217, 146, 0.1); }
  50% { box-shadow: 0 0 40px rgba(0, 217, 146, 0.22); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.08); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.animate-fade-in-up {
  animation: fadeInUp 0.9s var(--ease-snap) forwards;
}

.animate-fade-in {
  animation: fadeIn 0.6s var(--ease-lux) forwards;
}

.animate-float {
  animation: float 6s var(--ease-lux) infinite;
}

/* ============================================================
   UTILITÁRIOS
   ============================================================ */

.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;
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--bg-border), transparent);
  border: none;
  margin: var(--space-xl) 0;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-elevated);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--bg-card);
}