/* ====== Perfect Rexbet CSS - SEO & Performance Optimized ====== */

/* ====== CSS Custom Properties (Enhanced) ====== */
:root {
  /* Colors - Dark Theme */
  --color-bg: #0b0b0e;
  --color-surface: #11131a;
  --color-surface-elevated: #1a1d26;
  --color-ink: #e9eef6;
  --color-ink-muted: #a4b1c2;
  --color-ink-subtle: #6b7280;
  --color-brand-primary: #38b6ff;
  --color-brand-secondary: #00e0b8;
  --color-brand-gradient: linear-gradient(270deg, var(--color-brand-primary), var(--color-brand-secondary), var(--color-brand-primary));
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  
  /* Borders & Effects */
  --border-primary: 1px solid rgba(255, 255, 255, 0.06);
  --border-hover: 1px solid rgba(255, 255, 255, 0.12);
  --border-focus: 2px solid var(--color-brand-primary);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 999px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.35);
  --shadow-brand: 0 8px 32px rgba(56, 182, 255, 0.25);
  
  /* Layout */
  --container-max: 1120px;
  --container-padding: clamp(16px, 5vw, 24px);
  --header-height: 72px;
  
  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.6;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  
  /* Z-index */
  --z-dropdown: 10;
  --z-sticky: 20;
  --z-fixed: 30;
  --z-modal-backdrop: 40;
  --z-modal: 50;
  --z-popover: 60;
  --z-tooltip: 70;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

html,
body {
  height: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-ink);
  background: 
    radial-gradient(1200px 600px at 50% -200px, rgba(56, 182, 255, 0.08), transparent 65%),
    radial-gradient(800px 400px at 20% 100%, rgba(0, 224, 184, 0.06), transparent 50%),
    linear-gradient(180deg, var(--color-bg) 0%, #0a0a0d 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'kern' 1;
  font-kerning: normal;
}

/* ====== Accessibility & Skip Links ====== */
.skip-link {
  position: absolute;
  top: -9999px;
  left: -9999px;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  color: var(--color-ink);
  border-radius: var(--radius-md);
  font-weight: 600;
  text-decoration: none;
  z-index: 9999;
  transition: all 0.2s ease;
}

.skip-link:focus {
  top: var(--space-4);
  left: var(--space-4);
  outline: var(--border-focus);
  outline-offset: 2px;
}

/* ====== Focus Management ====== */
:focus-visible {
  outline: var(--border-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ====== Typography Enhancements ====== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: var(--line-height-tight);
  letter-spacing: -0.025em;
  color: var(--color-ink);
}

h1 { font-size: clamp(1.75rem, 5.5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: var(--font-size-xl); }

p {
  margin-bottom: var(--space-4);
  max-width: 65ch;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover:not(.btn) {
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 2px;
  text-decoration-color: var(--color-brand-primary);
}

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

/* ====== Header Styles ====== */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) var(--container-padding);
  min-height: var(--header-height);
  background: rgba(17, 19, 26, 0.85);
  border-bottom: var(--border-primary);
  backdrop-filter: saturate(130%) blur(12px);
  -webkit-backdrop-filter: saturate(130%) blur(12px);
}

.brand {
  flex-shrink: 0;
}

.brand img {
  width: clamp(120px, 20vw, 150px);
  height: auto;
  aspect-ratio: 150/49;
}

/* ====== Navigation Styles ====== */
.desktop-nav {
  display: none;
  gap: var(--space-3);
  align-items: center;
}

@media (min-width: 768px) {
  .desktop-nav {
    display: flex;
  }
  
  .menu-toggle {
    display: none !important;
  }
  
  .mobile-nav {
    display: none !important;
  }
}

/* ====== Button System ====== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border: 2px solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  user-select: none;
  -webkit-user-select: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-brand-gradient);
  background-size: 300% 300%;
  opacity: 0;
  transition: opacity 0.3s ease;
  animation: gradientMove 8s ease infinite;
  border-radius: inherit;
}

@keyframes gradientMove {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.btn--primary {
  background: var(--color-brand-gradient);
  background-size: 300% 300%;
  color: var(--color-bg);
  box-shadow: var(--shadow-brand);
  animation: gradientMove 8s ease infinite;
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 48px rgba(56, 182, 255, 0.4);
}

.btn--ghost {
  background: rgba(56, 182, 255, 0.1);
  border-color: rgba(56, 182, 255, 0.3);
  color: var(--color-brand-primary);
  backdrop-filter: blur(8px);
}

.btn--ghost:hover {
  background: rgba(56, 182, 255, 0.2);
  border-color: var(--color-brand-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--flat {
  background: transparent;
  color: var(--color-ink-muted);
}

.btn--flat:hover {
  color: var(--color-ink);
  background: rgba(255, 255, 255, 0.05);
}

.btn--large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-base);
}

.btn--xl {
  padding: var(--space-6) var(--space-12);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-xl);
}

/* ====== Mobile Menu ====== */
.menu-toggle {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: var(--space-2);
  background: rgba(255, 255, 255, 0.05);
  border: var(--border-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
}

.menu-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.15);
}

.hamburger {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 22px;
}

.hamburger__line {
  width: 100%;
  height: 2px;
  background: var(--color-ink);
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.menu-toggle--active .hamburger__line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle--active .hamburger__line:nth-child(2) {
  opacity: 0;
}

.menu-toggle--active .hamburger__line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

.mobile-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: rgba(17, 19, 26, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: var(--border-primary);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-fixed);
  transform: translateY(-100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-nav[hidden] {
  display: block;
}

.menu-open .mobile-nav {
  transform: translateY(0);
}

.mobile-nav__content {
  display: flex;
  flex-direction: column;
  padding: var(--space-6) var(--container-padding);
  gap: var(--space-4);
}

.mobile-nav__link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  background: var(--color-surface-elevated);
  border: var(--border-primary);
  border-radius: var(--radius-lg);
  color: var(--color-ink);
  font-weight: 600;
  text-align: center;
  transition: all 0.2s ease;
}

.mobile-nav__link:hover {
  background: rgba(56, 182, 255, 0.1);
  border-color: var(--color-brand-primary);
  transform: translateX(4px);
}

.mobile-nav__icon {
  font-size: var(--font-size-lg);
}

/* ====== Hero Section ====== */
.hero {
  position: relative;
  padding: clamp(64px, 12vw, 120px) var(--container-padding) clamp(48px, 8vw, 80px);
  text-align: center;
  background: 
    radial-gradient(800px 400px at 50% -120px, rgba(0, 224, 184, 0.12), transparent 60%),
    linear-gradient(180deg, rgba(56, 182, 255, 0.08), transparent 40%);
}

.hero__content {
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  margin-bottom: var(--space-6);
  background: linear-gradient(135deg, var(--color-ink) 0%, var(--color-brand-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__description {
  margin: 0 auto var(--space-8);
  max-width: 60ch;
  font-size: var(--font-size-lg);
  color: var(--color-ink-muted);
}

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

/* ====== Container System ====== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-8) var(--container-padding);
}

/* ====== Article Content ====== */
.content-article {
  background: var(--color-surface);
  border: var(--border-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.article-content {
  padding: clamp(24px, 6vw, 48px);
}

.content-section {
  margin-bottom: var(--space-12);
}

.content-section:last-child {
  margin-bottom: 0;
}

.content-section h2 {
  margin-bottom: var(--space-6);
  color: var(--color-brand-primary);
  position: relative;
}

.content-section h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--color-brand-gradient);
  border-radius: 2px;
}

.content-section h3 {
  margin: var(--space-8) 0 var(--space-4);
  color: var(--color-brand-secondary);
}

.content-text p {
  color: var(--color-ink);
  margin-bottom: var(--space-4);
}

/* ====== Step List Component ====== */
.step-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.step-item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-6);
  background: rgba(56, 182, 255, 0.05);
  border: 1px solid rgba(56, 182, 255, 0.2);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}

.step-item:hover {
  background: rgba(56, 182, 255, 0.08);
  border-color: rgba(56, 182, 255, 0.3);
  transform: translateX(8px);
}

.step-number {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--color-brand-primary);
  color: var(--color-bg);
  border-radius: 50%;
  font-weight: 700;
  font-size: var(--font-size-lg);
}

.step-content h3 {
  margin: 0 0 var(--space-2);
  color: var(--color-brand-primary);
  font-size: var(--font-size-lg);
}

.step-content p {
  margin: 0;
  color: var(--color-ink-muted);
}

/* ====== Security Tips Grid ====== */
.security-tips {
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-6);
}

@media (min-width: 768px) {
  .security-tips {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

.tip-card {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-surface-elevated);
  border: var(--border-primary);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.tip-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-brand-gradient);
  transform: translateX(-100%);
  transition: transform 0.3s ease;
}

.tip-card:hover::before {
  transform: translateX(0);
}

.tip-card:hover {
  background: rgba(56, 182, 255, 0.05);
  border-color: rgba(56, 182, 255, 0.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.tip-icon {
  flex-shrink: 0;
  font-size: 2rem;
  line-height: 1;
}

.tip-content h3 {
  margin: 0 0 var(--space-2);
  color: var(--color-ink);
  font-size: var(--font-size-lg);
}

.tip-content p {
  margin: 0;
  color: var(--color-ink-muted);
}

/* ====== Tips Grid ====== */
.tips-grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

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

@media (min-width: 1024px) {
  .tips-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.tip-box {
  padding: var(--space-6);
  background: rgba(0, 224, 184, 0.05);
  border: 1px solid rgba(0, 224, 184, 0.2);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all 0.3s ease;
}

.tip-box:hover {
  background: rgba(0, 224, 184, 0.08);
  border-color: rgba(0, 224, 184, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 224, 184, 0.15);
}

.tip-box h4 {
  margin-bottom: var(--space-3);
  color: var(--color-brand-secondary);
  font-size: var(--font-size-base);
}

.tip-box p {
  margin: 0;
  color: var(--color-ink-muted);
  font-size: var(--font-size-sm);
}

/* ====== Call to Action Section ====== */
.cta-section {
  margin: var(--space-16) 0;
  padding: clamp(48px, 8vw, 80px) var(--container-padding);
  text-align: center;
  background: 
    radial-gradient(600px 300px at 50% 50%, rgba(56, 182, 255, 0.15), transparent 60%),
    linear-gradient(135deg, rgba(0, 224, 184, 0.1), rgba(56, 182, 255, 0.1));
  border-radius: var(--radius-xl);
  border: var(--border-primary);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: 
    repeating-conic-gradient(
      from 0deg at 50% 50%, 
      transparent 0deg, 
      rgba(56, 182, 255, 0.05) 60deg, 
      transparent 120deg
    );
  animation: rotate 20s linear infinite;
  z-index: -1;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-title {
  margin-bottom: var(--space-6);
  background: linear-gradient(135deg, var(--color-ink) 0%, var(--color-brand-primary) 50%, var(--color-brand-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cta-description {
  margin: 0 auto var(--space-8);
  max-width: 60ch;
  font-size: var(--font-size-lg);
  color: var(--color-ink-muted);
}

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

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

.faq-title {
  text-align: center;
  margin-bottom: var(--space-12);
  color: var(--color-brand-primary);
}

.faq-grid {
  display: grid;
  gap: var(--space-6);
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-surface);
  border: var(--border-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: rgba(56, 182, 255, 0.3);
  box-shadow: var(--shadow-md);
}

.faq-item--open {
  border-color: var(--color-brand-primary);
  box-shadow: 0 8px 32px rgba(56, 182, 255, 0.2);
}

.faq-question {
  padding: var(--space-6);
  margin: 0;
  color: var(--color-ink);
  font-size: var(--font-size-lg);
  transition: all 0.2s ease;
  position: relative;
  cursor: pointer;
}

.faq-question::after {
  content: '+';
  position: absolute;
  right: var(--space-6);
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--font-size-2xl);
  font-weight: 300;
  color: var(--color-brand-primary);
  transition: transform 0.3s ease;
}

.faq-item--open .faq-question::after {
  transform: translateY(-50%) rotate(45deg);
}

.faq-question:hover {
  color: var(--color-brand-primary);
}

.faq-answer {
  padding: 0 var(--space-6) var(--space-6);
  color: var(--color-ink-muted);
  line-height: var(--line-height-relaxed);
  animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.faq-answer p {
  margin: 0;
}

/* ====== Footer ====== */
.footer {
  background: var(--color-bg);
  border-top: var(--border-primary);
  padding: var(--space-12) var(--container-padding);
  text-align: center;
}

.footer-content {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer-info p {
  margin: 0;
  color: var(--color-ink-muted);
  font-size: var(--font-size-sm);
}

.footer-disclaimer {
  opacity: 0.7;
  font-size: var(--font-size-xs) !important;
}

.footer-links a {
  color: var(--color-brand-primary);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.footer-links a:hover {
  color: var(--color-brand-secondary);
  transform: translateY(-2px);
}

/* ====== Floating Action Button ====== */
.fab {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-fixed);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  background: var(--color-brand-gradient);
  background-size: 300% 300%;
  color: var(--color-bg);
  font-weight: 700;
  font-size: var(--font-size-sm);
  border: none;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-brand);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  animation: gradientMove 8s ease infinite, fabPulse 3s ease-in-out infinite;
}

@keyframes fabPulse {
  0%, 100% { 
    transform: scale(1);
    box-shadow: var(--shadow-brand);
  }
  50% { 
    transform: scale(1.05);
    box-shadow: 0 12px 48px rgba(56, 182, 255, 0.4);
  }
}

.fab:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 16px 64px rgba(56, 182, 255, 0.5);
}

.fab-text {
  display: none;
}

@media (min-width: 480px) {
  .fab-text {
    display: inline;
  }
}

/* ====== Animation Classes ====== */
.animate-element {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.animate-element:nth-child(even) {
  transform: translateY(30px) translateX(-20px);
}

.animate-element:nth-child(odd) {
  transform: translateY(30px) translateX(20px);
}

.animate-in:nth-child(even),
.animate-in:nth-child(odd) {
  transform: translateY(0) translateX(0);
}

/* ====== Loading States ====== */
.loading {
  opacity: 0.7;
  pointer-events: none;
  position: relative;
}

.loading::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.1);
  border-radius: inherit;
  animation: pulse 1.5s ease-in-out infinite;
}

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

/* ====== Responsive Design Enhancements ====== */
@media (max-width: 479px) {
  .hero__actions {
    flex-direction: column;
    align-items: center;
  }
  
  .hero__actions .btn {
    width: 100%;
    max-width: 280px;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-buttons .btn {
    width: 100%;
    max-width: 280px;
  }
  
  .step-item {
    flex-direction: column;
    text-align: center;
  }
  
  .tip-card {
    flex-direction: column;
    text-align: center;
  }
}

@media (min-width: 480px) and (max-width: 767px) {
  .tips-grid {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 768px) {
  .container {
    padding: var(--space-12) var(--container-padding);
  }
  
  .article-content {
    padding: var(--space-12);
  }
  
  .faq-grid {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1024px) {
  .hero {
    padding: clamp(80px, 15vw, 140px) var(--container-padding) clamp(60px, 10vw, 100px);
  }
  
  .container {
    padding: var(--space-16) var(--container-padding);
  }
}

/* ====== Print Styles ====== */
@media print {
  .header,
  .mobile-nav,
  .fab,
  .cta-section {
    display: none !important;
  }
  
  .hero {
    background: none !important;
    padding: var(--space-8) 0;
  }
  
  .content-article {
    box-shadow: none !important;
    border: 1px solid #ddd !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
  
  a {
    color: black !important;
    text-decoration: underline !important;
  }
}

/* ====== 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;
  }
  
  .fab {
    animation: none !important;
  }
  
  .cta-section::before {
    animation: none !important;
  }
}

/* ====== High Contrast Mode ====== */
@media (prefers-contrast: high) {
  :root {
    --border-primary: 2px solid rgba(255, 255, 255, 0.3);
    --border-hover: 2px solid rgba(255, 255, 255, 0.5);
  }
  
  .btn {
    border-width: 2px;
  }
  
  .faq-item,
  .tip-card,
  .step-item {
    border-width: 2px;
  }
}

/* ====== Dark Mode Enhancements ====== */
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
  }
}

/* ====== Performance Optimizations ====== */
.content-article,
.tip-card,
.step-item,
.faq-item {
  contain: layout style paint;
}

.hero,
.cta-section {
  contain: layout paint;
}

/* Enable hardware acceleration for smooth animations */
.btn,
.fab,
.menu-toggle,
.mobile-nav,
.tip-card,
.step-item,
.faq-item {
  transform: translateZ(0);
  will-change: transform;
}

/* ====== Utility Classes ====== */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }

/* ====== Custom Scrollbar ====== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-surface);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-brand-primary);
}