/* =============================================================================
   VectaJus DESIGN SYSTEM v2.0
   Sistema de Design Moderno para Plataforma de Advocacia
   Acessibilidade WCAG AA | Grid 8px | Google Fonts
   ============================================================================= */

/* =============================================================================
   1. DESIGN TOKENS - CSS Variables
   ============================================================================= */

:root {
  /* -------------------------------------------------------------------------
     1.1 PALETA DE CORES
     ------------------------------------------------------------------------- */
  
  /* Primária - Azul Profissional (Confiança, Autoridade) */
  --color-primary-50: #eff6ff;
  --color-primary-100: #dbeafe;
  --color-primary-200: #bfdbfe;
  --color-primary-300: #93c5fd;
  --color-primary-400: #60a5fa;
  --color-primary-500: #3b82f6;
  --color-primary-600: #2563eb;
  --color-primary-700: #1d4ed8;
  --color-primary-800: #1e40af;
  --color-primary-900: #1e3a8a;
  --color-primary-950: #172554;
  
  /* Secundária - Dourado Premium (Prestígio, Excelência) */
  --color-secondary-50: #fefce8;
  --color-secondary-100: #fef9c3;
  --color-secondary-200: #fef08a;
  --color-secondary-300: #fde047;
  --color-secondary-400: #facc15;
  --color-secondary-500: #eab308;
  --color-secondary-600: #ca8a04;
  --color-secondary-700: #a16207;
  --color-secondary-800: #854d0e;
  --color-secondary-900: #713f12;
  --color-secondary-950: #422006;
  
  /* Neutros - Slate (Elegante e Profissional) */
  --color-neutral-0: #ffffff;
  --color-neutral-50: #f8fafc;
  --color-neutral-100: #f1f5f9;
  --color-neutral-200: #e2e8f0;
  --color-neutral-300: #cbd5e1;
  --color-neutral-400: #94a3b8;
  --color-neutral-500: #64748b;
  --color-neutral-600: #475569;
  --color-neutral-700: #334155;
  --color-neutral-800: #1e293b;
  --color-neutral-900: #0f172a;
  --color-neutral-950: #020617;
  
  /* Semânticas - Estados */
  --color-success-50: #f0fdf4;
  --color-success-100: #dcfce7;
  --color-success-500: #22c55e;
  --color-success-600: #16a34a;
  --color-success-700: #15803d;
  
  --color-warning-50: #fffbeb;
  --color-warning-100: #fef3c7;
  --color-warning-500: #f59e0b;
  --color-warning-600: #d97706;
  --color-warning-700: #b45309;
  
  --color-error-50: #fef2f2;
  --color-error-100: #fee2e2;
  --color-error-500: #ef4444;
  --color-error-600: #dc2626;
  --color-error-700: #b91c1c;
  
  --color-info-50: #ecfeff;
  --color-info-100: #cffafe;
  --color-info-500: #06b6d4;
  --color-info-600: #0891b2;
  --color-info-700: #0e7490;
  
  /* -------------------------------------------------------------------------
     1.2 ALIASES SEMÂNTICOS
     ------------------------------------------------------------------------- */
  
  /* Backgrounds */
  --bg-primary: var(--color-neutral-0);
  --bg-secondary: var(--color-neutral-50);
  --bg-tertiary: var(--color-neutral-100);
  --bg-inverse: var(--color-neutral-900);
  --bg-brand: var(--color-primary-600);
  --bg-brand-subtle: var(--color-primary-50);
  
  /* Text */
  --text-primary: var(--color-neutral-900);
  --text-secondary: var(--color-neutral-600);
  --text-tertiary: var(--color-neutral-500);
  --text-disabled: var(--color-neutral-400);
  --text-inverse: var(--color-neutral-0);
  --text-brand: var(--color-primary-600);
  --text-link: var(--color-primary-600);
  --text-link-hover: var(--color-primary-700);
  
  /* Borders */
  --border-primary: var(--color-neutral-200);
  --border-secondary: var(--color-neutral-300);
  --border-focus: var(--color-primary-500);
  --border-error: var(--color-error-500);
  --border-success: var(--color-success-500);
  
  /* -------------------------------------------------------------------------
     1.3 TIPOGRAFIA
     ------------------------------------------------------------------------- */
  
  /* Font Families */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Plus Jakarta Sans', var(--font-sans);
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Font Sizes - Scale 1.25 (Major Third) */
  --text-xs: 0.75rem;      /* 12px */
  --text-sm: 0.875rem;     /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg: 1.125rem;     /* 18px */
  --text-xl: 1.25rem;      /* 20px */
  --text-2xl: 1.5rem;      /* 24px */
  --text-3xl: 1.875rem;    /* 30px */
  --text-4xl: 2.25rem;     /* 36px */
  --text-5xl: 3rem;        /* 48px */
  --text-6xl: 3.75rem;     /* 60px */
  --text-7xl: 4.5rem;      /* 72px */
  
  /* Font Weights */
  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  
  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;
  
  /* Letter Spacing */
  --tracking-tighter: -0.05em;
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;
  
  /* -------------------------------------------------------------------------
     1.4 ESPAÇAMENTO (Grid 8px)
     ------------------------------------------------------------------------- */
  
  --space-0: 0;
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  --space-32: 8rem;     /* 128px */
  
  /* -------------------------------------------------------------------------
     1.5 BORDAS
     ------------------------------------------------------------------------- */
  
  /* Border Radius */
  --radius-none: 0;
  --radius-sm: 0.25rem;    /* 4px */
  --radius-md: 0.5rem;     /* 8px */
  --radius-lg: 0.75rem;    /* 12px */
  --radius-xl: 1rem;       /* 16px */
  --radius-2xl: 1.5rem;    /* 24px */
  --radius-3xl: 2rem;      /* 32px */
  --radius-full: 9999px;
  
  /* Border Width */
  --border-0: 0;
  --border-1: 1px;
  --border-2: 2px;
  --border-4: 4px;
  
  /* -------------------------------------------------------------------------
     1.6 SOMBRAS
     ------------------------------------------------------------------------- */
  
  --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / 0.05);
  
  /* Colored Shadows */
  --shadow-primary: 0 10px 40px -10px rgba(37, 99, 235, 0.35);
  --shadow-secondary: 0 10px 40px -10px rgba(234, 179, 8, 0.35);
  
  /* -------------------------------------------------------------------------
     1.7 TRANSIÇÕES & ANIMAÇÕES
     ------------------------------------------------------------------------- */
  
  /* Durations */
  --duration-75: 75ms;
  --duration-100: 100ms;
  --duration-150: 150ms;
  --duration-200: 200ms;
  --duration-300: 300ms;
  --duration-500: 500ms;
  --duration-700: 700ms;
  --duration-1000: 1000ms;
  
  /* Easings */
  --ease-linear: linear;
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Common Transitions */
  --transition-fast: all var(--duration-150) var(--ease-in-out);
  --transition-base: all var(--duration-200) var(--ease-in-out);
  --transition-slow: all var(--duration-300) var(--ease-in-out);
  
  /* -------------------------------------------------------------------------
     1.8 BREAKPOINTS
     ------------------------------------------------------------------------- */
  
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
  
  /* -------------------------------------------------------------------------
     1.9 Z-INDEX
     ------------------------------------------------------------------------- */
  
  --z-0: 0;
  --z-10: 10;
  --z-20: 20;
  --z-30: 30;
  --z-40: 40;
  --z-50: 50;
  --z-sticky: 100;
  --z-dropdown: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-popover: 500;
  --z-toast: 600;
  --z-tooltip: 700;
  
  /* -------------------------------------------------------------------------
     1.10 GRADIENTES
     ------------------------------------------------------------------------- */
  
  --gradient-primary: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-500) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--color-secondary-500) 0%, var(--color-secondary-400) 100%);
  --gradient-hero: linear-gradient(135deg, var(--color-primary-900) 0%, var(--color-primary-700) 50%, var(--color-primary-600) 100%);
  --gradient-dark: linear-gradient(180deg, var(--color-neutral-900) 0%, var(--color-neutral-800) 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
  
  /* -------------------------------------------------------------------------
     1.11 ALIASES SIMPLES (para compatibilidade)
     ------------------------------------------------------------------------- */
  
  /* Colors - Main shortcuts */
  --color-primary: var(--color-primary-600);
  --color-primary-light: var(--color-primary-100);
  --color-primary-dark: var(--color-primary-700);
  --color-secondary: var(--color-secondary-500);
  --color-secondary-light: var(--color-secondary-100);
  --color-secondary-dark: var(--color-secondary-700);
  --color-white: var(--color-neutral-0);
  --color-black: var(--color-neutral-950);
  
  /* Semantic shortcuts */
  --color-success: var(--color-success-600);
  --color-success-light: var(--color-success-100);
  --color-warning: var(--color-warning-600);
  --color-warning-light: var(--color-warning-100);
  --color-error: var(--color-error-600);
  --color-error-light: var(--color-error-100);
  --color-info: var(--color-info-600);
  --color-info-light: var(--color-info-100);
  
  /* Font shortcuts */
  --font-family: var(--font-sans);
  
  /* Transition shortcuts */
  --transition-normal: var(--transition-base);
  --transition-fast: all var(--duration-150) var(--ease-in-out);
}

/* =============================================================================
   2. RESET & BASE
   ============================================================================= */

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

html {
  font-size: 100%;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--font-regular);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* =============================================================================
   3. TIPOGRAFIA
   ============================================================================= */

h1, .h1 {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: var(--font-extrabold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
}

h2, .h2 {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
}

h3, .h3 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--font-semibold);
  line-height: var(--leading-snug);
  color: var(--text-primary);
}

h4, .h4 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  line-height: var(--leading-snug);
  color: var(--text-primary);
}

h5, .h5 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  line-height: var(--leading-normal);
  color: var(--text-primary);
}

h6, .h6 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  line-height: var(--leading-normal);
  color: var(--text-primary);
}

p {
  margin-bottom: var(--space-4);
  color: var(--text-secondary);
}

.lead {
  font-size: var(--text-xl);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
}

.small {
  font-size: var(--text-sm);
}

.caption {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

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

a:hover {
  color: var(--text-link-hover);
}

a:focus-visible {
  outline: var(--border-2) solid var(--border-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* =============================================================================
   4. CONTAINER & LAYOUT
   ============================================================================= */

.container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: var(--space-4);
}

@media (min-width: 640px) {
  .container {
    padding-inline: var(--space-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-inline: var(--space-8);
  }
}

.section {
  padding-block: var(--space-16);
}

@media (min-width: 768px) {
  .section {
    padding-block: var(--space-24);
  }
}

/* =============================================================================
   5. BOTÕES
   ============================================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  line-height: var(--leading-tight);
  text-decoration: none;
  border: var(--border-2) solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition-base);
  white-space: nowrap;
  user-select: none;
}

/* Primary Button */
.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-inverse);
  box-shadow: var(--shadow-sm), var(--shadow-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-primary);
  filter: brightness(1.05);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:focus-visible {
  outline: var(--border-2) solid var(--color-primary-400);
  outline-offset: 2px;
}

/* Secondary Button */
.btn-secondary {
  background: var(--gradient-secondary);
  color: var(--color-neutral-900);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-secondary);
  filter: brightness(1.05);
}

.btn-secondary:focus-visible {
  outline: var(--border-2) solid var(--color-secondary-400);
  outline-offset: 2px;
}

/* Outline Button */
.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-secondary);
}

.btn-outline:hover {
  background: var(--bg-tertiary);
  border-color: var(--color-primary-500);
  color: var(--color-primary-600);
}

.btn-outline:focus-visible {
  outline: var(--border-2) solid var(--border-focus);
  outline-offset: 2px;
}

/* Ghost Button */
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

/* Success Button */
.btn-success {
  background: var(--color-success-600);
  color: var(--text-inverse);
}

.btn-success:hover {
  background: var(--color-success-700);
  transform: translateY(-2px);
}

/* Danger Button */
.btn-danger {
  background: var(--color-error-600);
  color: var(--text-inverse);
}

.btn-danger:hover {
  background: var(--color-error-700);
  transform: translateY(-2px);
}

/* Button Sizes */
.btn-xs {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  border-radius: var(--radius-md);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-xl);
}

.btn-xl {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-lg);
  border-radius: var(--radius-xl);
}

/* Button with Icon Only */
.btn-icon {
  padding: var(--space-3);
  border-radius: var(--radius-lg);
}

.btn-icon.btn-sm {
  padding: var(--space-2);
}

.btn-icon.btn-lg {
  padding: var(--space-4);
}

/* Disabled State */
.btn:disabled,
.btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* Full Width */
.btn-block {
  width: 100%;
}

/* =============================================================================
   6. INPUTS & FORMS
   ============================================================================= */

.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-primary);
}

.form-label-required::after {
  content: '*';
  color: var(--color-error-500);
  margin-left: var(--space-1);
}

.form-control {
  display: block;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--font-regular);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: #ffffff;
  border: var(--border-2) solid var(--border-primary);
  border-radius: var(--radius-lg);
  transition: var(--transition-fast);
  appearance: none;
}

.form-control::placeholder {
  color: var(--text-disabled);
}

.form-control:hover {
  border-color: var(--border-secondary);
}

.form-control:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
  background-color: #ffffff;
}

.form-control:disabled {
  background-color: var(--bg-tertiary);
  color: var(--text-disabled);
  cursor: not-allowed;
}

/* Error State */
.form-control.error,
.form-control:invalid:not(:placeholder-shown) {
  border-color: var(--border-error);
}

.form-control.error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

/* Success State */
.form-control.success {
  border-color: var(--border-success);
}

.form-control.success:focus {
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15);
}

/* Input Sizes */
.form-control-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
}

.form-control-lg {
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-lg);
  border-radius: var(--radius-xl);
}

/* Textarea */
textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

/* Select */
select.form-control {
  padding-right: var(--space-10);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 20 20' fill='%2364748b'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  background-size: 20px;
  cursor: pointer;
}

/* Helper Text */
.form-helper {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.form-error-text {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-error-600);
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
}

.form-check-input {
  width: 20px;
  height: 20px;
  accent-color: var(--color-primary-600);
  cursor: pointer;
}

.form-check-input:focus-visible {
  outline: var(--border-2) solid var(--border-focus);
  outline-offset: 2px;
}

.form-check-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  cursor: pointer;
}

/* Input Group */
.input-group {
  display: flex;
  align-items: stretch;
}

.input-group .form-control {
  flex: 1;
  border-radius: 0;
}

.input-group .form-control:first-child {
  border-top-left-radius: var(--radius-lg);
  border-bottom-left-radius: var(--radius-lg);
}

.input-group .form-control:last-child {
  border-top-right-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
}

.input-group-text {
  display: flex;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-tertiary);
  border: var(--border-2) solid var(--border-primary);
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

/* =============================================================================
   7. CARDS
   ============================================================================= */

.card {
  background: var(--bg-primary);
  border: var(--border-1) solid var(--border-primary);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  overflow: hidden;
}

.card:hover {
  border-color: var(--color-primary-200);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card-header {
  padding: var(--space-6);
  border-bottom: var(--border-1) solid var(--border-primary);
  background: var(--bg-secondary);
}

.card-body {
  padding: var(--space-6);
}

.card-footer {
  padding: var(--space-6);
  border-top: var(--border-1) solid var(--border-primary);
  background: var(--bg-secondary);
}

.card-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.card-subtitle {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.card-text {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* Card Variants */
.card-flat {
  border: none;
  box-shadow: none;
}

.card-flat:hover {
  transform: none;
  box-shadow: none;
}

.card-bordered {
  border-width: var(--border-2);
}

.card-elevated {
  border: none;
  box-shadow: var(--shadow-lg);
}

.card-elevated:hover {
  box-shadow: var(--shadow-xl);
}

/* Feature Card */
.card-feature {
  text-align: center;
  padding: var(--space-8);
}

.card-feature .card-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-6);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius-2xl);
  color: var(--text-inverse);
  font-size: var(--text-3xl);
  box-shadow: var(--shadow-primary);
}

/* Pricing Card */
.card-pricing {
  text-align: center;
  padding: var(--space-8);
  position: relative;
}

.card-pricing.featured {
  border-color: var(--color-primary-500);
  border-width: var(--border-2);
  transform: scale(1.05);
}

.card-pricing-badge {
  position: absolute;
  top: calc(-1 * var(--space-3));
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: var(--text-inverse);
  padding: var(--space-1) var(--space-4);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.card-pricing-price {
  font-size: var(--text-5xl);
  font-weight: var(--font-extrabold);
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-2);
}

.card-pricing-period {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin-bottom: var(--space-6);
}

/* =============================================================================
   8. NAVBAR
   ============================================================================= */

.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: var(--border-1) solid var(--border-primary);
  padding: var(--space-4) 0;
  transition: var(--transition-base);
}

.navbar-scrolled {
  box-shadow: var(--shadow-md);
}

.navbar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  text-decoration: none;
}

.navbar-logo:hover {
  color: var(--text-primary);
}

.navbar-logo-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  color: var(--text-inverse);
  font-size: var(--text-lg);
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.navbar-link {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  text-decoration: none;
  padding: var(--space-2) 0;
  position: relative;
  transition: var(--transition-fast);
}

.navbar-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary-500);
  transition: var(--transition-fast);
}

.navbar-link:hover {
  color: var(--text-primary);
}

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

.navbar-link:focus-visible {
  outline: var(--border-2) solid var(--border-focus);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

.navbar-toggle {
  display: none;
  padding: var(--space-2);
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: var(--text-xl);
  cursor: pointer;
}

@media (max-width: 768px) {
  .navbar-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    padding: var(--space-4);
    background: var(--bg-primary);
    border-bottom: var(--border-1) solid var(--border-primary);
    box-shadow: var(--shadow-lg);
  }
  
  .navbar-menu.active {
    display: flex;
  }
  
  .navbar-menu li {
    width: 100%;
  }
  
  .navbar-link {
    display: block;
    padding: var(--space-3);
  }
  
  .navbar-toggle {
    display: block;
  }
}

/* =============================================================================
   9. FOOTER
   ============================================================================= */

.footer {
  background: var(--bg-inverse);
  color: var(--color-neutral-300);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.footer-brand {
  max-width: 320px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--text-inverse);
  margin-bottom: var(--space-4);
}

.footer-description {
  color: var(--color-neutral-400);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-neutral-800);
  color: var(--color-neutral-400);
  border-radius: var(--radius-lg);
  transition: var(--transition-fast);
}

.footer-social-link:hover {
  background: var(--color-primary-600);
  color: var(--text-inverse);
}

.footer-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-inverse);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-6);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-3);
}

.footer-links a {
  color: var(--color-neutral-400);
  font-size: var(--text-sm);
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--text-inverse);
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: var(--border-1) solid var(--color-neutral-800);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copyright {
  font-size: var(--text-sm);
  color: var(--color-neutral-500);
}

.footer-legal {
  display: flex;
  gap: var(--space-6);
}

.footer-legal a {
  font-size: var(--text-sm);
  color: var(--color-neutral-500);
}

.footer-legal a:hover {
  color: var(--text-inverse);
}

/* =============================================================================
   10. MODAL
   ============================================================================= */

.modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
}

.modal.show {
  opacity: 1;
  visibility: visible;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--bg-primary);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  animation: modalSlideIn var(--duration-300) var(--ease-out);
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  border-bottom: var(--border-1) solid var(--border-primary);
}

.modal-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin: 0;
}

.modal-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border: none;
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  font-size: var(--text-xl);
  cursor: pointer;
  transition: var(--transition-fast);
}

.modal-close:hover {
  background: var(--bg-tertiary);
  color: var(--color-error-600);
}

.modal-close:focus-visible {
  outline: var(--border-2) solid var(--border-focus);
  outline-offset: 2px;
}

.modal-body {
  padding: var(--space-6);
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-6);
  border-top: var(--border-1) solid var(--border-primary);
  background: var(--bg-secondary);
}

/* =============================================================================
   11. BADGES
   ============================================================================= */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  line-height: var(--leading-tight);
  border-radius: var(--radius-full);
}

.badge-primary {
  background: var(--color-primary-100);
  color: var(--color-primary-700);
}

.badge-secondary {
  background: var(--color-secondary-100);
  color: var(--color-secondary-800);
}

.badge-success {
  background: var(--color-success-100);
  color: var(--color-success-700);
}

.badge-warning {
  background: var(--color-warning-100);
  color: var(--color-warning-700);
}

.badge-error {
  background: var(--color-error-100);
  color: var(--color-error-700);
}

.badge-info {
  background: var(--color-info-100);
  color: var(--color-info-700);
}

.badge-neutral {
  background: var(--color-neutral-100);
  color: var(--color-neutral-700);
}

/* Badge with dot */
.badge-dot::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: currentColor;
}

/* =============================================================================
   12. ALERTS
   ============================================================================= */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-xl);
  border-left: var(--border-4) solid;
}

.alert-icon {
  flex-shrink: 0;
  font-size: var(--text-xl);
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-1);
}

.alert-description {
  font-size: var(--text-sm);
  margin: 0;
}

.alert-success {
  background: var(--color-success-50);
  border-color: var(--color-success-500);
  color: var(--color-success-700);
}

.alert-warning {
  background: var(--color-warning-50);
  border-color: var(--color-warning-500);
  color: var(--color-warning-700);
}

.alert-error {
  background: var(--color-error-50);
  border-color: var(--color-error-500);
  color: var(--color-error-700);
}

.alert-info {
  background: var(--color-info-50);
  border-color: var(--color-info-500);
  color: var(--color-info-700);
}

/* =============================================================================
   13. TOAST NOTIFICATIONS
   ============================================================================= */

.toast-container {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  min-width: 320px;
  max-width: 420px;
  padding: var(--space-4) var(--space-5);
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  border-left: var(--border-4) solid;
  animation: toastSlideIn var(--duration-300) var(--ease-out);
}

@keyframes toastSlideIn {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.toast-success {
  border-color: var(--color-success-500);
}

.toast-error {
  border-color: var(--color-error-500);
}

.toast-warning {
  border-color: var(--color-warning-500);
}

.toast-info {
  border-color: var(--color-info-500);
}

.toast-icon {
  font-size: var(--text-xl);
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.toast-message {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin: 0;
}

.toast-close {
  padding: var(--space-1);
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.toast-close:hover {
  color: var(--text-primary);
}

/* =============================================================================
   14. LOADING & SPINNERS
   ============================================================================= */

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border-primary);
  border-top-color: var(--color-primary-500);
  border-radius: var(--radius-full);
  animation: spin var(--duration-700) linear infinite;
}

.spinner-sm {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.spinner-lg {
  width: 40px;
  height: 40px;
  border-width: 4px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-4);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(4px);
}

.loading-text {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
}

/* =============================================================================
   15. HERO SECTION
   ============================================================================= */

.hero {
  position: relative;
  background: var(--gradient-hero);
  color: var(--text-inverse);
  padding: var(--space-24) 0;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.hero > * {
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: var(--border-1) solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-inverse);
  margin-bottom: var(--space-6);
}

.hero-title {
  font-size: var(--text-5xl);
  font-weight: var(--font-extrabold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--text-inverse);
  margin-bottom: var(--space-6);
}

@media (min-width: 768px) {
  .hero-title {
    font-size: var(--text-6xl);
  }
}

.hero-title-highlight {
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: var(--text-xl);
  line-height: var(--leading-relaxed);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-10);
}

.hero-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-12);
  margin-top: var(--space-16);
  padding-top: var(--space-12);
  border-top: var(--border-1) solid rgba(255, 255, 255, 0.2);
}

.hero-stat {
  text-align: center;
}

.hero-stat-value {
  font-size: var(--text-4xl);
  font-weight: var(--font-extrabold);
  color: var(--text-inverse);
}

.hero-stat-label {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
}

/* =============================================================================
   16. SECTION TITLES
   ============================================================================= */

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-12);
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-4);
  background: var(--color-primary-50);
  color: var(--color-primary-600);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.section-description {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin: 0;
}

/* =============================================================================
   17. FEATURES GRID
   ============================================================================= */

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-8);
}

/* =============================================================================
   18. TESTIMONIALS
   ============================================================================= */

.testimonial-card {
  padding: var(--space-8);
  background: var(--bg-primary);
  border: var(--border-1) solid var(--border-primary);
  border-radius: var(--radius-2xl);
}

.testimonial-rating {
  display: flex;
  gap: var(--space-1);
  color: var(--color-secondary-500);
  margin-bottom: var(--space-4);
}

.testimonial-text {
  font-size: var(--text-lg);
  color: var(--text-primary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  object-fit: cover;
}

.testimonial-name {
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.testimonial-role {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

/* =============================================================================
   19. CTA SECTION
   ============================================================================= */

.cta-section {
  background: var(--gradient-hero);
  padding: var(--space-16) 0;
  text-align: center;
}

.cta-title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--text-inverse);
  margin-bottom: var(--space-4);
}

.cta-description {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-8);
}

/* =============================================================================
   20. UTILITIES
   ============================================================================= */

/* Text Alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Display */
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

/* Flexbox */
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Spacing */
.m-0 { margin: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }
.p-0 { padding: 0; }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

/* Width */
.w-full { width: 100%; }
.max-w-sm { max-width: 384px; }
.max-w-md { max-width: 448px; }
.max-w-lg { max-width: 512px; }
.max-w-xl { max-width: 576px; }

/* Colors */
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-brand { color: var(--text-brand); }
.bg-primary { background-color: var(--bg-primary); }
.bg-secondary { background-color: var(--bg-secondary); }

/* Shadows */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-none { box-shadow: none; }

/* Border Radius */
.rounded-none { border-radius: 0; }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

/* =============================================================================
   21. ANIMATIONS
   ============================================================================= */

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

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.animate-fadeIn { animation: fadeIn var(--duration-500) var(--ease-out); }
.animate-fadeInUp { animation: fadeInUp var(--duration-500) var(--ease-out); }
.animate-fadeInDown { animation: fadeInDown var(--duration-500) var(--ease-out); }
.animate-slideInLeft { animation: slideInLeft var(--duration-500) var(--ease-out); }
.animate-slideInRight { animation: slideInRight var(--duration-500) var(--ease-out); }
.animate-scaleIn { animation: scaleIn var(--duration-300) var(--ease-out); }
.animate-pulse { animation: pulse 2s var(--ease-in-out) infinite; }
.animate-bounce { animation: bounce 2s var(--ease-in-out) infinite; }

/* Animation delays */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }

/* =============================================================================
   22. ACCESSIBILITY
   ============================================================================= */

/* Focus visible for keyboard navigation */
*:focus-visible {
  outline: var(--border-2) solid var(--border-focus);
  outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Screen reader only */
.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;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  padding: var(--space-3) var(--space-6);
  background: var(--color-primary-600);
  color: var(--text-inverse);
  font-weight: var(--font-semibold);
  z-index: 9999;
  transition: top var(--duration-200) var(--ease-out);
  border-radius: 0 0 var(--radius-lg) 0;
}

.skip-link:focus {
  top: 0;
}

/* =============================================================================
   23. RESPONSIVE UTILITIES - Mobile First
   ============================================================================= */

/* Container responsive */
.container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: var(--space-4);
}

@media (min-width: 640px) {
  .container {
    padding-inline: var(--space-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-inline: var(--space-8);
  }
}

/* Responsive text */
@media (max-width: 768px) {
  h1, .h1 {
    font-size: var(--text-3xl);
  }
  
  h2, .h2 {
    font-size: var(--text-2xl);
  }
  
  h3, .h3 {
    font-size: var(--text-xl);
  }
}

/* Responsive hide/show utilities */
.hide-mobile {
  display: block;
}

.show-mobile {
  display: none;
}

@media (max-width: 768px) {
  .hide-mobile {
    display: none !important;
  }
  
  .show-mobile {
    display: block !important;
  }
}

/* Responsive grid helpers */
.grid-responsive {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .grid-responsive {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-responsive {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1280px) {
  .grid-responsive {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Stack on mobile */
.stack-mobile {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .stack-mobile {
    flex-direction: row;
    align-items: center;
  }
}

/* Responsive padding */
.section-padding {
  padding-block: var(--space-12);
}

@media (min-width: 768px) {
  .section-padding {
    padding-block: var(--space-16);
  }
}

@media (min-width: 1024px) {
  .section-padding {
    padding-block: var(--space-20);
  }
}

/* =============================================================================
   24. NAVBAR RESPONSIVE
   ============================================================================= */

.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--bg-primary);
  border-bottom: var(--border-1) solid var(--border-primary);
  transition: var(--transition-base);
}

.navbar.navbar-scrolled {
  box-shadow: var(--shadow-md);
}

.navbar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition-fast);
}

.navbar-logo:hover {
  color: var(--color-primary-600);
}

.navbar-logo-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  color: var(--text-inverse);
  font-size: var(--text-lg);
}

.navbar-toggle {
  display: none;
  background: none;
  border: none;
  font-size: var(--text-xl);
  color: var(--text-secondary);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.navbar-toggle:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar-link {
  color: var(--text-secondary);
  font-weight: var(--font-medium);
  text-decoration: none;
  transition: var(--transition-fast);
  padding: var(--space-2) 0;
  position: relative;
}

.navbar-link:hover {
  color: var(--color-primary-600);
}

.navbar-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary-600);
  transition: width var(--duration-200) var(--ease-out);
}

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

@media (max-width: 968px) {
  .navbar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .navbar-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg-primary);
    border-bottom: var(--border-1) solid var(--border-primary);
    box-shadow: var(--shadow-lg);
    padding: var(--space-4);
    display: none;
    max-height: calc(100vh - 70px);
    overflow-y: auto;
  }
  
  .navbar-menu.active {
    display: flex;
  }
  
  .navbar-menu li {
    width: 100%;
  }
  
  .navbar-link {
    display: block;
    padding: var(--space-4);
    border-radius: var(--radius-lg);
  }
  
  .navbar-link:hover {
    background: var(--bg-secondary);
  }
  
  .navbar-link::after {
    display: none;
  }
  
  .navbar-menu .btn {
    width: 100%;
    justify-content: center;
    margin-top: var(--space-4);
  }
}

/* =============================================================================
   25. HERO RESPONSIVE
   ============================================================================= */

.hero {
  background: var(--gradient-hero);
  color: var(--text-inverse);
  padding: var(--space-16) 0 var(--space-20);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  margin-inline: auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  margin-bottom: var(--space-6);
  backdrop-filter: blur(8px);
}

.hero-title {
  font-size: var(--text-5xl);
  font-weight: var(--font-extrabold);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-6);
  color: var(--text-inverse);
}

.hero-title-highlight {
  background: linear-gradient(135deg, var(--color-secondary-400) 0%, var(--color-secondary-300) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: var(--text-xl);
  opacity: 0.95;
  margin-bottom: var(--space-8);
  line-height: var(--leading-relaxed);
  max-width: 700px;
  margin-inline: auto;
}

.hero-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  max-width: 800px;
  margin-inline: auto;
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-stat {
  text-align: center;
}

.hero-stat-value {
  font-size: var(--text-3xl);
  font-weight: var(--font-extrabold);
  margin-bottom: var(--space-1);
}

.hero-stat-label {
  font-size: var(--text-sm);
  opacity: 0.8;
}

@media (max-width: 968px) {
  .hero {
    padding: var(--space-12) 0 var(--space-16);
  }
  
  .hero-title {
    font-size: var(--text-4xl);
  }
  
  .hero-description {
    font-size: var(--text-lg);
  }
  
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }
}

@media (max-width: 640px) {
  .hero {
    padding: var(--space-10) 0 var(--space-12);
  }
  
  .hero-title {
    font-size: var(--text-3xl);
  }
  
  .hero-description {
    font-size: var(--text-base);
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-buttons .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
  
  .hero-stat-value {
    font-size: var(--text-2xl);
  }
}

/* =============================================================================
   26. SECTION & CARDS RESPONSIVE
   ============================================================================= */

.section {
  padding: var(--space-16) 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: var(--space-12);
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary-50);
  color: var(--color-primary-600);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: var(--text-4xl);
  font-weight: var(--font-extrabold);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.section-description {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.card-feature {
  text-align: center;
  padding: var(--space-8);
}

.card-feature:hover {
  transform: translateY(-8px);
}

.card-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  color: var(--text-inverse);
  margin-inline: auto;
  margin-bottom: var(--space-5);
  box-shadow: var(--shadow-lg);
}

.card-pricing {
  text-align: center;
  padding: var(--space-8);
  position: relative;
}

.card-pricing.featured {
  border: 2px solid var(--color-primary-500);
  box-shadow: var(--shadow-xl);
}

.card-pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: var(--text-inverse);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  white-space: nowrap;
}

.card-pricing-price {
  font-size: var(--text-4xl);
  font-weight: var(--font-extrabold);
  color: var(--color-primary-600);
  margin-bottom: var(--space-1);
}

.card-pricing-period {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
}

@media (max-width: 1200px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section {
    padding: var(--space-12) 0;
  }
  
  .section-header {
    margin-bottom: var(--space-8);
  }
  
  .section-title {
    font-size: var(--text-2xl);
  }
  
  .section-description {
    font-size: var(--text-base);
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .card-feature {
    padding: var(--space-6);
  }
  
  .card-pricing {
    padding: var(--space-6);
  }
  
  .card-pricing.featured {
    transform: none;
  }
  
  .card-pricing-price {
    font-size: var(--text-3xl);
  }
}

/* =============================================================================
   27. TESTIMONIALS RESPONSIVE
   ============================================================================= */

.testimonial-card {
  background: var(--bg-primary);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  border: var(--border-1) solid var(--border-primary);
  transition: var(--transition-base);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.testimonial-rating {
  display: flex;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
  color: var(--color-secondary-500);
}

.testimonial-text {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.testimonial-name {
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.testimonial-role {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

@media (max-width: 768px) {
  .testimonial-card {
    padding: var(--space-6);
  }
}

/* =============================================================================
   28. CTA SECTION RESPONSIVE
   ============================================================================= */

.cta-section {
  background: var(--gradient-hero);
  padding: var(--space-16) 0;
  text-align: center;
  color: var(--text-inverse);
}

.cta-title {
  font-size: var(--text-4xl);
  font-weight: var(--font-extrabold);
  margin-bottom: var(--space-4);
  color: var(--text-inverse);
}

.cta-description {
  font-size: var(--text-xl);
  opacity: 0.95;
  margin-bottom: var(--space-8);
}

@media (max-width: 768px) {
  .cta-section {
    padding: var(--space-12) 0;
  }
  
  .cta-title {
    font-size: var(--text-2xl);
  }
  
  .cta-description {
    font-size: var(--text-base);
  }
}

/* =============================================================================
   29. FOOTER RESPONSIVE
   ============================================================================= */

.footer {
  background: var(--color-neutral-900);
  color: var(--color-neutral-300);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand {
  max-width: 320px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--text-inverse);
  text-decoration: none;
  margin-bottom: var(--space-4);
}

.footer-description {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
  color: var(--color-neutral-400);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  color: var(--color-neutral-400);
  transition: var(--transition-fast);
}

.footer-social-link:hover {
  background: var(--color-primary-600);
  color: var(--text-inverse);
}

.footer-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-inverse);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-4);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--space-3);
}

.footer-links a {
  color: var(--color-neutral-400);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-primary-400);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  border-top: var(--border-1) solid rgba(255, 255, 255, 0.1);
}

.footer-copyright {
  font-size: var(--text-sm);
  color: var(--color-neutral-500);
  margin: 0;
}

.footer-legal {
  display: flex;
  gap: var(--space-6);
}

.footer-legal a {
  color: var(--color-neutral-500);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-legal a:hover {
  color: var(--color-neutral-300);
}

@media (max-width: 968px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
  }
  
  .footer-brand {
    grid-column: span 2;
    max-width: none;
  }
}

@media (max-width: 640px) {
  .footer {
    padding: var(--space-12) 0 var(--space-6);
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .footer-brand {
    grid-column: span 1;
    text-align: center;
  }
  
  .footer-social {
    justify-content: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
  
  .footer-legal {
    justify-content: center;
  }
}

/* =============================================================================
   30. BUTTON RESPONSIVE
   ============================================================================= */

.btn-xl {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

.btn-block {
  display: flex;
  width: 100%;
  justify-content: center;
}

@media (max-width: 640px) {
  .btn-xl {
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-base);
  }
  
  .btn-lg {
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
  }
}

/* =============================================================================
   31. GLOBAL INPUT STYLES - Garantir fundo branco em todos os campos
   ============================================================================= */

input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="number"],
input[type="search"],
input[type="url"],
input[type="date"],
input[type="time"],
input[type="datetime-local"],
input[type="month"],
input[type="week"],
select,
textarea {
  background-color: #ffffff !important;
  color: var(--text-primary, #0f172a);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="tel"]:focus,
input[type="number"]:focus,
input[type="search"]:focus,
input[type="url"]:focus,
input[type="date"]:focus,
input[type="time"]:focus,
input[type="datetime-local"]:focus,
input[type="month"]:focus,
input[type="week"]:focus,
select:focus,
textarea:focus {
  background-color: #ffffff !important;
}

/* =============================================================================
   32. SKIP LINK (Acessibilidade)
   ============================================================================= */

.skip-link {
  transition: var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}