/* Design System KEEG - Mobile First & Premium UI */

:root {
  /* Brand Colors */
  --color-primary: #5700B2;
  --color-primary-dark: #3A0078;
  --color-secondary: #1B0A7C;
  --color-accent: #A370F7;
  
  /* Default: Light Theme */
  --color-bg: #FAFAFA;
  --color-surface: #FFFFFF;
  --color-surface-hover: #F3F4F6;
  --color-surface-solid: #FFFFFF;
  
  
  /* Text */
  --color-text-main: #111827;
  --color-text-muted: #4B5563;
  
  /* Layout & Shadows */
  --color-border: #E5E7EB;
  --color-border-hover: rgba(87, 0, 178, 0.2);
  --shadow-main: 0 4px 12px -2px rgba(0, 0, 0, 0.05), 0 2px 6px -1px rgba(0, 0, 0, 0.03);
  --shadow-hover: 0 16px 32px -4px rgba(87, 0, 178, 0.1), 0 8px 16px -4px rgba(87, 0, 178, 0.05);
  --glass-bg: rgba(255, 255, 255, 0.85);
  
  /* Typography - Premium & Non-Standard */
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Border Radius */
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 100px;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

[data-theme="dark"] {
  /* Dark Theme Overrides */
  --color-primary: #A370F7; /* Lighter purple for better contrast in dark mode */
  --color-secondary: #6B4CFA; /* Brighter blue for better contrast */
  
  --color-bg: #03000A;
  --color-surface: rgba(27, 10, 124, 0.15);
  --color-surface-hover: rgba(87, 0, 178, 0.25);
  --color-surface-solid: #0A0220;
  
  --color-text-main: #FFFFFF;
  --color-text-muted: #A09EBC;
  
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(163, 112, 247, 0.3);
  --shadow-main: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 10px 40px -10px rgba(87, 0, 178, 0.5);
  --glass-bg: rgba(10, 2, 32, 0.7);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-main);
}

h1 { font-size: clamp(2.5rem, 6vw, 5rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); font-weight: 700; }
h3 { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 600; letter-spacing: -0.02em; }
p { margin-bottom: var(--spacing-sm); font-size: 1.125rem; color: var(--color-text-muted); }

/* Text Gradient Utility */
.text-gradient {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
[data-theme="dark"] .text-gradient {
  background: linear-gradient(135deg, #FFFFFF 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Utilities: Glassmorphism / Cards */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-main);
  transition: all var(--transition-smooth);
}

.glass-card {
  background: var(--color-surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  transition: transform var(--transition-smooth), background-color var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
}

.glass-card:hover {
  transform: translateY(-8px);
  background: var(--color-surface-hover);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-hover);
}

/* Layout */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

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

.section {
  padding: var(--spacing-xl) 0;
  position: relative;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.125rem;
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  cursor: pointer;
  border: none;
  gap: 0.5rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: #FFF;
  box-shadow: 0 4px 15px rgba(87, 0, 178, 0.2);
}

.btn-primary:hover {
  box-shadow: 0 8px 25px rgba(87, 0, 178, 0.4);
  transform: translateY(-2px);
  color: #FFF;
}
[data-theme="dark"] .btn-primary:hover {
  box-shadow: 0 8px 25px rgba(87, 0, 178, 0.7);
}

.btn-glass {
  background: var(--color-surface);
  backdrop-filter: blur(10px);
  border: 1px solid var(--color-border);
  color: var(--color-text-main);
}

.btn-glass:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
  color: var(--color-primary);
}

/* Background Gradients */
.bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  z-index: -1;
  opacity: 0.08;
  pointer-events: none;
}
[data-theme="dark"] .bg-glow {
  opacity: 0.25;
}

/* Navigation */
.nav-link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
  font-family: var(--font-heading);
  letter-spacing: -0.01em;
}

.nav-link:hover {
  color: var(--color-primary);
}
[data-theme="dark"] .nav-link:hover {
  color: var(--color-text-main);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-smooth);
}

.nav-link:hover::after {
  width: 100%;
}

/* Theme Toggle & Icons */
.theme-toggle, .search-toggle {
  background: transparent;
  border: none;
  color: var(--color-text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem;
  border-radius: 50%;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}
.theme-toggle:hover, .search-toggle:hover {
  background: var(--color-surface-hover);
  transform: scale(1.05);
}

/* Header Utilities & Modals */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

#search-modal {
  transition: opacity var(--transition-fast);
}

@keyframes fadeInUpCentered {
  from { opacity: 0; transform: translate(-50%, 30px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

#search-modal.active {
  display: flex !important;
  animation: fadeInUpCentered 0.3s ease-out forwards;
}

#mobile-menu.active {
  display: flex !important;
  animation: fadeInUp 0.3s ease-out forwards;
}

/* Logos dos Clientes — Cards brancos intencionais com cores originais */
.client-logo {
  background: #FFFFFF;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  height: clamp(70px, 10vw, 110px);
  width: auto;
  max-width: 100%;
  object-fit: contain;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

/* Exceção PatBO: o JPG já tem fundo preto embutido */
.client-logo.logo-patbo {
  background: #000000;
}

.client-logo:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 32px rgba(87, 0, 178, 0.18);
}

[data-theme="dark"] #main-logo {
  transform: scale(0.85); /* Adjust for the white logo padding */
}

[data-theme="dark"] .client-logo {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .client-logo:hover {
  box-shadow: 0 12px 32px rgba(163, 112, 247, 0.25);
}

/* Animations */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in-up {
  animation: fadeInUp 0.8s var(--transition-smooth) forwards;
  opacity: 0;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

/* Desktop / Mobile Logic */
.mobile-only {
  display: none !important;
}

@media (max-width: 768px) {
  .desktop-only {
    display: none !important;
  }
  .mobile-only {
    display: flex !important;
  }
  
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  
  .glass-card {
    padding: var(--spacing-sm);
  }
}

  /* ==========================================================================
   5. UTILITIES & ADVANCED UX (VERCEL/LINEAR STYLE)
   ========================================================================== */

/* Cards Interativos com Efeito Glow (Mouse Tracking) */
.glow-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  overflow: hidden;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.glow-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: inherit;
  padding: 1px;
  background: radial-gradient(
    800px circle at var(--mouse-x, 0) var(--mouse-y, 0),
    rgba(87, 0, 178, 0.15),
    transparent 40%
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
}

.glow-card:hover::before {
  opacity: 1;
}

.glow-card-content {
  position: relative;
  z-index: 1;
  padding: 2rem;
  height: 100%;
  display: flex;
  flex-direction: column;
}

/* Glassmorphism Refinado */
.glass-panel {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .glass-panel {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.02);
}

/* Botões Magnéticos / Modernos */
.btn-modern {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.875rem;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-modern.primary {
  background: var(--color-primary);
  color: white;
  box-shadow: 0 4px 14px 0 rgba(87, 0, 178, 0.39);
}

.btn-modern.primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 6px 20px rgba(87, 0, 178, 0.23);
  transform: translateY(-2px);
}

.btn-modern.secondary {
  background: var(--color-surface);
  color: var(--color-text-main);
  border-color: var(--color-border);
}

.btn-modern.secondary:hover {
  background: var(--color-bg);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

/* Correção Global de Espaçamento para o Header Fixo */
.app-layout {
  padding-top: 180px !important;
  padding-bottom: var(--spacing-xl);
  min-height: calc(100vh - 300px);
}