/* ==========================================================================
   POWERHERTZ - DESIGN SYSTEM & CORE STYLES
   Website: powerhertz.com
   Brand: youBePower_ sempre_
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  /* Cores Base da Marca Powerhertz */
  --bg-dark: #070a0f;
  --bg-primary: #0a0e17;
  --bg-secondary: #101624;
  --bg-surface: #151d30;
  --bg-card: rgba(16, 23, 38, 0.75);
  --bg-card-hover: rgba(23, 33, 54, 0.9);
  --bg-glass: rgba(10, 14, 23, 0.75);

  /* Acentos Elétricos & Neon */
  --neon-yellow: #ffe600;
  --neon-yellow-alt: #ffd000;
  --neon-yellow-glow: rgba(255, 230, 0, 0.35);
  
  --neon-cyan: #00e5ff;
  --neon-cyan-dark: #00b4d8;
  --neon-cyan-glow: rgba(0, 229, 255, 0.4);
  
  --neon-blue: #2563eb;
  --electric-purple: #8b5cf6;

  /* Gradientes de Energia */
  --grad-power: linear-gradient(135deg, #ffe600 0%, #00e5ff 100%);
  --grad-cyan-blue: linear-gradient(135deg, #00e5ff 0%, #1d4ed8 100%);
  --grad-dark-card: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
  --grad-glow-sphere: radial-gradient(circle, rgba(0, 229, 255, 0.15) 0%, rgba(255, 230, 0, 0.05) 40%, transparent 70%);

  /* Tipografia & Textos */
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --text-highlight: #ffffff;

  /* Bordas & Sombras */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 229, 255, 0.25);
  --border-yellow-glow: rgba(255, 230, 0, 0.3);
  
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
  --shadow-glow-cyan: 0 0 25px rgba(0, 229, 255, 0.3);
  --shadow-glow-yellow: 0 0 25px rgba(255, 230, 0, 0.35);

  /* Fontes */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-code: 'JetBrains Mono', monospace;

  /* Transições e Espaçamentos */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  --container-max: 1240px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Fundo Tecnológico Sutil com Grade */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

/* Efeito de Luz / Glow Ambiental */
.ambient-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  opacity: 0.45;
  z-index: 0;
}

.glow-top-left {
  top: -100px;
  left: -150px;
  background: radial-gradient(circle, var(--neon-cyan) 0%, transparent 70%);
}

.glow-top-right {
  top: 150px;
  right: -200px;
  background: radial-gradient(circle, var(--neon-yellow) 0%, transparent 70%);
  opacity: 0.25;
}

.glow-mid {
  top: 45%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(0, 229, 255, 0.2) 0%, rgba(255, 230, 0, 0.1) 40%, transparent 70%);
  width: 800px;
  height: 800px;
}

/* Container Responsivo */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
  z-index: 1;
}

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-highlight);
  letter-spacing: -0.02em;
}

p {
  color: var(--text-muted);
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

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

/* Seções */
.section {
  padding: 100px 0;
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 60px auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid rgba(0, 229, 255, 0.25);
  border-radius: var(--radius-full);
  color: var(--neon-cyan);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.section-tag.tag-yellow {
  background: rgba(255, 230, 0, 0.1);
  border-color: rgba(255, 230, 0, 0.3);
  color: var(--neon-yellow);
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  margin-bottom: 18px;
}

.text-gradient {
  background: var(--grad-power);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-cyan {
  color: var(--neon-cyan);
}

.text-yellow {
  color: var(--neon-yellow);
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Efeito de Vidro (Glassmorphism) */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.glass-panel:hover {
  border-color: var(--border-glow);
}