/* ================================
   4PLAY BET BRASIL - DESIGN SYSTEM
   Style: Deep Blue Tech (Style 5)
   Target Market: Brazil
   Language: Portuguese (Brazilian)
   ================================ */

/* ================================
   CSS VARIABLES - DESIGN TOKEN SYSTEM
   ================================ */
:root {
  /* === Color System - Deep Blue Tech === */
  /* Primary Colors */
  --color-primary: #0A4D68;
  --color-primary-light: #0D6A94;
  --color-primary-dark: #073042;
  --color-primary-rgb: 10, 77, 104;

  /* Secondary Colors */
  --color-secondary: #00D9FF;
  --color-secondary-rgb: 0, 217, 255;
  --color-accent: #00FF88;

  /* Background Colors */
  --color-background: #001524;
  --color-background-light: #002233;
  --color-background-card: rgba(10, 77, 104, 0.15);

  /* Text Colors */
  --color-text: #FFFFFF;
  --color-text-secondary: #B0C4DE;
  --color-text-muted: #7A8FA3;

  /* Neutral Colors (Grayscale) */
  --color-white: #FFFFFF;
  --color-gray-50: #F8FAFC;
  --color-gray-100: #F1F5F9;
  --color-gray-200: #E2E8F0;
  --color-gray-300: #CBD5E1;
  --color-gray-400: #94A3B8;
  --color-gray-500: #64748B;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1E293B;
  --color-gray-900: #0F172A;
  --color-black: #000000;

  /* Semantic Colors */
  --color-success: #10B981;
  --color-success-light: #34D399;
  --color-warning: #F59E0B;
  --color-warning-light: #FBBF24;
  --color-error: #EF4444;
  --color-error-light: #F87171;
  --color-info: #3B82F6;

  /* === Spacing System (8px base) === */
  --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 */

  /* === Shadow System === */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);

  /* Style-specific Glow Effects */
  --shadow-glow: 0 0 20px rgba(0, 217, 255, 0.4);
  --shadow-glow-strong: 0 0 30px rgba(0, 217, 255, 0.6), 0 0 60px rgba(0, 217, 255, 0.3);
  --shadow-glow-primary: 0 0 20px rgba(10, 77, 104, 0.5);

  /* === Border Radius System === */
  --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;

  /* === Typography System === */
  --font-primary: 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-secondary: 'Exo 2', 'Roboto', sans-serif;

  /* Font Sizes */
  --font-size-xs: 0.75rem;      /* 12px */
  --font-size-sm: 0.875rem;     /* 14px */
  --font-size-base: 1rem;       /* 16px */
  --font-size-lg: 1.125rem;     /* 18px */
  --font-size-xl: 1.25rem;      /* 20px */
  --font-size-2xl: 1.5rem;      /* 24px */
  --font-size-3xl: 1.875rem;    /* 30px */
  --font-size-4xl: 2.25rem;     /* 36px */
  --font-size-5xl: 3rem;        /* 48px */
  --font-size-6xl: 3.75rem;     /* 60px */

  /* Font Weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Line Heights */
  --line-height-none: 1;
  --line-height-tight: 1.25;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;

  /* === Transition Effects === */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

  /* === Container Widths === */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;

  /* === Z-index Layers === */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* ================================
   RESET & BASE STYLES
   ================================ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-background);
  line-height: var(--line-height-normal);
  min-height: 100vh;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select {
  font: inherit;
}

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

ul, ol {
  list-style: none;
}

/* ================================
   TYPOGRAPHY
   ================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

h1 {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-5);
  position: relative;
}

h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-secondary), transparent);
  margin-top: var(--space-3);
  border-radius: var(--radius-full);
  box-shadow: 0 0 10px rgba(0, 217, 255, 0.5);
}

h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-secondary);
}

h4 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
}

p {
  margin-bottom: var(--space-4);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
  max-width: 75ch;
}

.content-area ul, .content-area ol {
  margin-left: var(--space-6);
  margin-bottom: var(--space-4);
  list-style: disc;
}

.content-area li {
  margin-bottom: var(--space-2);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
}

strong {
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
}

em {
  font-style: italic;
}

/* ================================
   LAYOUT - CONTAINER
   ================================ */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.container-sm {
  max-width: var(--container-sm);
}

.container-md {
  max-width: var(--container-md);
}

.container-lg {
  max-width: var(--container-2xl);
}

/* ================================
   HEADER COMPONENT
   ================================ */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(0, 21, 36, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 217, 255, 0.2);
  transition: all var(--transition-base);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
  gap: var(--space-8);
}

.logo {
  height: 48px;
  width: auto;
  transition: transform var(--transition-base);
}

.logo:hover {
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-link {
  display: inline-block;
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--color-secondary);
  background: rgba(0, 217, 255, 0.1);
}

.nav-link.active {
  color: var(--color-secondary);
}

.nav-cta-buttons {
  display: flex;
  gap: var(--space-3);
}

/* Mobile Menu Button */
.mobile-menu-button {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--color-white);
}

.mobile-menu-button svg {
  width: 24px;
  height: 24px;
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: rgba(0, 21, 36, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 217, 255, 0.2);
  padding: var(--space-6);
  z-index: var(--z-sticky);
}

.mobile-menu.active {
  display: block;
}

.mobile-nav-menu {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-nav-link {
  display: block;
  padding: var(--space-3) var(--space-4);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.mobile-nav-link:hover {
  color: var(--color-secondary);
  background: rgba(0, 217, 255, 0.1);
}

/* ================================
   HERO SECTION
   ================================ */
.hero-section {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
  padding: var(--space-16) 0;
}

.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 21, 36, 0.9) 0%,
    rgba(0, 21, 36, 0.7) 50%,
    rgba(10, 77, 104, 0.8) 100%
  );
  z-index: 1;
}

/* Tech Grid Overlay */
.hero-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 217, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 217, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 2;
}

.hero-section .container {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: var(--container-lg);
}

.hero-section h1 {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--space-6);
  line-height: var(--line-height-tight);
  text-shadow: 0 2px 20px rgba(0, 217, 255, 0.3);
}

.hero-intro {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  line-height: var(--line-height-relaxed);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

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

/* Rating Badge in Hero */
.hero-rating {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  background: rgba(0, 217, 255, 0.1);
  border: 1px solid rgba(0, 217, 255, 0.3);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-5);
  margin-bottom: var(--space-6);
}

.hero-rating-score {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
}

.hero-rating-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* ================================
   BUTTON COMPONENTS
   ================================ */
.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-align: center;
  text-decoration: none;
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  line-height: 1.2;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-white);
  box-shadow: var(--shadow-glow);
  border-color: var(--color-secondary);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow-strong);
}

.btn-primary:active {
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-secondary);
  border-color: var(--color-secondary);
}

.btn-secondary:hover {
  background: rgba(0, 217, 255, 0.1);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

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

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

/* ================================
   CONTENT SECTIONS
   ================================ */
.content-section {
  padding: var(--space-16) 0;
  position: relative;
}

.content-section:nth-child(even) {
  background: var(--color-background-light);
}

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

.section-header h2::after {
  margin-left: auto;
  margin-right: auto;
}

/* ================================
   CONTENT BLOCK COMPONENT
   ================================ */
.content-block {
  padding: var(--space-16) 0;
}

.content-block .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.content-block.vertical .container {
  grid-template-columns: 1fr;
  max-width: var(--container-md);
  text-align: center;
}

.content-block.reverse .container {
  direction: rtl;
}

.content-block.reverse .block-text,
.content-block.reverse .block-image {
  direction: ltr;
}

.block-text {
  padding: var(--space-6);
}

.block-text h2::after {
  margin-left: 0;
}

.block-text h3 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
}

.block-text p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-4);
}

.block-image {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid rgba(0, 217, 255, 0.2);
  box-shadow: var(--shadow-xl);
}

.block-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.1), transparent);
  pointer-events: none;
  z-index: 1;
}

.block-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-slow);
}

.block-image:hover img {
  transform: scale(1.05);
}

/* ================================
   CONTENT GRID COMPONENT
   ================================ */
.content-grid-section {
  padding: var(--space-16) 0;
}

.content-grid-section h2 {
  text-align: center;
  margin-bottom: var(--space-12);
}

.content-grid-section h2::after {
  margin-left: auto;
  margin-right: auto;
}

.content-grid {
  display: grid;
  gap: var(--space-8);
}

.content-grid.cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.content-grid.cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.content-grid.cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid-item {
  background: var(--color-background-card);
  border: 1px solid rgba(0, 217, 255, 0.15);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  height: 100%;
  backdrop-filter: blur(10px);
}

.grid-item:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 217, 255, 0.4);
  box-shadow: var(--shadow-glow);
}

.grid-item picture,
.grid-item .grid-item-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  flex-shrink: 0;
}

.grid-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.grid-item:hover img {
  transform: scale(1.1);
}

.grid-item-content {
  padding: var(--space-6);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.grid-item h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-3);
  color: var(--color-white);
}

.grid-item p {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  flex-grow: 1;
  margin-bottom: 0;
}

/* ================================
   TABLE COMPONENT
   ================================ */
.table-wrapper {
  overflow-x: auto;
  margin: var(--space-6) 0;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(0, 217, 255, 0.2);
  max-width: 100%;
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-background-card);
}

th, td {
  padding: var(--space-4) var(--space-5);
  text-align: left;
  border-bottom: 1px solid rgba(0, 217, 255, 0.1);
}

th {
  background: rgba(0, 217, 255, 0.1);
  font-weight: var(--font-weight-semibold);
  color: var(--color-secondary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

td {
  color: var(--color-text-secondary);
}

tr:hover {
  background: rgba(0, 217, 255, 0.05);
}

tr:last-child td {
  border-bottom: none;
}

/* ================================
   RATING COMPONENT
   ================================ */
.rating-card {
  background: var(--color-background-card);
  border: 1px solid rgba(0, 217, 255, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
}

.rating-score {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  line-height: 1;
  margin-bottom: var(--space-2);
  text-shadow: var(--shadow-glow);
}

.rating-label {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.rating-stars {
  display: flex;
  justify-content: center;
  gap: var(--space-1);
  color: var(--color-warning);
  font-size: var(--font-size-xl);
}

/* ================================
   PROS/CONS COMPONENT
   ================================ */
.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  margin: var(--space-8) 0;
}

.pros, .cons {
  background: var(--color-background-card);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  border: 1px solid;
}

.pros {
  border-color: rgba(16, 185, 129, 0.3);
}

.cons {
  border-color: rgba(239, 68, 68, 0.3);
}

.pros h4, .cons h4 {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-lg);
}

.pros h4 {
  color: var(--color-success);
}

.cons h4 {
  color: var(--color-error);
}

.pros ul, .cons ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.pros li, .cons li {
  padding: var(--space-2) 0;
  padding-left: var(--space-6);
  position: relative;
  color: var(--color-text-secondary);
}

.pros li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: var(--font-weight-bold);
}

.cons li::before {
  content: '✗';
  position: absolute;
  left: 0;
  color: var(--color-error);
  font-weight: var(--font-weight-bold);
}

/* ================================
   FAQ COMPONENT
   ================================ */
.faq-section {
  padding: var(--space-16) 0;
}

.faq-list {
  max-width: var(--container-md);
  margin: 0 auto;
}

.faq-item {
  background: var(--color-background-card);
  border: 1px solid rgba(0, 217, 255, 0.15);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: var(--space-5) var(--space-6);
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-white);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-base);
}

.faq-question:hover {
  background: rgba(0, 217, 255, 0.05);
}

.faq-question::after {
  content: '+';
  font-size: var(--font-size-2xl);
  color: var(--color-secondary);
  transition: transform var(--transition-base);
}

.faq-item.active .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer-content {
  padding: 0 var(--space-6) var(--space-6);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ================================
   CTA SECTION
   ================================ */
.cta-section {
  padding: var(--space-16) 0;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 217, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 217, 255, 0.05) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
}

.cta-section .container {
  position: relative;
  text-align: center;
  max-width: var(--container-md);
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.cta-section h2::after {
  background: linear-gradient(90deg, var(--color-white), transparent);
  margin-left: auto;
  margin-right: auto;
}

.cta-section p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  font-size: var(--font-size-lg);
}

/* ================================
   FOOTER COMPONENT
   ================================ */
.footer {
  background: var(--color-gray-900);
  color: var(--color-gray-400);
  padding: var(--space-16) 0 var(--space-8);
  border-top: 1px solid rgba(0, 217, 255, 0.1);
}

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

.footer-section h3 {
  color: var(--color-white);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-5);
  font-family: var(--font-secondary);
}

.footer-about p {
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-links a {
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
  transition: color var(--transition-base);
}

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

.payment-icons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.payment-icons img {
  height: 32px;
  width: auto;
  opacity: 0.7;
  transition: opacity var(--transition-base);
  filter: grayscale(50%);
}

.payment-icons img:hover {
  opacity: 1;
  filter: grayscale(0%);
}

.responsible-icons {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.responsible-icons img {
  height: 48px;
  width: auto;
  opacity: 0.8;
}

.footer-bottom {
  border-top: 1px solid var(--color-gray-800);
  padding-top: var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

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

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

.footer-legal a {
  color: var(--color-gray-500);
  font-size: var(--font-size-sm);
  transition: color var(--transition-base);
}

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

/* Disclaimer */
.footer-disclaimer {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-6);
  margin-top: var(--space-8);
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
  line-height: var(--line-height-relaxed);
}

.footer-disclaimer strong {
  color: var(--color-error-light);
}

/* ================================
   AFFILIATE DISCLOSURE
   ================================ */
.affiliate-disclosure {
  background: rgba(0, 217, 255, 0.05);
  border: 1px solid rgba(0, 217, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-6);
  margin: var(--space-6) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* ================================
   BREADCRUMB
   ================================ */
.breadcrumb {
  padding: var(--space-4) 0;
  font-size: var(--font-size-sm);
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.breadcrumb-item {
  color: var(--color-text-muted);
}

.breadcrumb-item a {
  color: var(--color-text-secondary);
  transition: color var(--transition-base);
}

.breadcrumb-item a:hover {
  color: var(--color-secondary);
}

.breadcrumb-separator {
  color: var(--color-text-muted);
  margin: 0 var(--space-1);
}

/* ================================
   BACK TO TOP
   ================================ */
.back-to-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  border: 1px solid var(--color-secondary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: var(--z-fixed);
  color: var(--color-white);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--color-secondary);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
}

/* ================================
   UTILITY CLASSES
   ================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }

.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mt-16 { margin-top: var(--space-16); }

.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-16 { margin-bottom: var(--space-16); }

.hidden { display: none; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ================================
   RESPONSIVE DESIGN
   ================================ */

/* Tablet (1024px and below) */
@media (max-width: 1024px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
  }

  .content-block .container {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .content-block.reverse .container {
    direction: ltr;
  }

  .content-grid.cols-3,
  .content-grid.cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-container {
    grid-template-columns: repeat(2, 1fr);
  }

  .nav-menu {
    display: none;
  }

  .mobile-menu-button {
    display: block;
  }

  .pros-cons {
    grid-template-columns: 1fr;
  }
}

/* Mobile (768px and below) */
@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2rem;
    --font-size-4xl: 1.75rem;
    --font-size-3xl: 1.5rem;
  }

  .container {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
    max-width: 100%;
  }

  .header-container {
    gap: var(--space-2);
  }

  .hero-section {
    min-height: 500px;
    padding: var(--space-12) 0;
  }

  .hero-section h1 {
    font-size: var(--font-size-3xl);
  }

  .hero-intro {
    font-size: var(--font-size-base);
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .content-grid.cols-2,
  .content-grid.cols-3,
  .content-grid.cols-4 {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    padding: var(--space-4) var(--space-6);
  }

  .footer-container {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .footer-legal {
    justify-content: center;
  }

  .nav-cta-buttons {
    display: none;
  }

  .table-wrapper {
    font-size: var(--font-size-sm);
  }

  th, td {
    padding: var(--space-3);
  }

  .back-to-top {
    bottom: var(--space-4);
    right: var(--space-4);
    width: 40px;
    height: 40px;
  }
}

/* Small Mobile (480px and below) */
@media (max-width: 480px) {
  :root {
    --font-size-5xl: 1.75rem;
    --font-size-4xl: 1.5rem;
    --font-size-3xl: 1.25rem;
  }

  .hero-section {
    min-height: 400px;
  }

  .section-header h2,
  .content-block h2 {
    font-size: var(--font-size-2xl);
  }

  .grid-item-content {
    padding: var(--space-4);
  }

  .faq-question {
    font-size: var(--font-size-base);
    padding: var(--space-4);
  }

  /* Prevent text overflow */
  h1, h2, h3, p {
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .affiliate-disclosure {
    word-break: break-word;
  }
}

/* Print Styles */
@media print {
  .header,
  .footer,
  .back-to-top,
  .mobile-menu-button,
  .btn-primary,
  .btn-secondary {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  .hero-section {
    min-height: auto;
    padding: var(--space-8) 0;
  }
}