/* =====================================================
   SONIC'S ELIXIR - Professional CSS Architecture
   Mobile-First | BEM Methodology | Modern CSS
   ===================================================== */

/* -----------------------------------------------------
   1. CSS CUSTOM PROPERTIES & DESIGN TOKENS
   ----------------------------------------------------- */
:root {
  /* Color System */
  --clr-primary-400: hsl(199, 89%, 48%);
  --clr-primary-500: hsl(199, 89%, 41%);
  --clr-primary-600: hsl(199, 89%, 34%);
  
  --clr-accent-purple: hsl(258, 84%, 66%);
  --clr-accent-pink: hsl(330, 81%, 60%);
  --clr-accent-green: hsl(158, 64%, 52%);
  --clr-accent-yellow: hsl(51, 100%, 50%);
  --clr-accent-yellow-dark: hsl(45, 100%, 51%);
  
  --clr-neutral-50: hsl(0, 0%, 98%);
  --clr-neutral-100: hsl(0, 0%, 96%);
  --clr-neutral-200: hsl(0, 0%, 89%);
  --clr-neutral-300: hsl(0, 0%, 64%);
  --clr-neutral-400: hsl(0, 0%, 45%);
  --clr-neutral-500: hsl(0, 0%, 36%);
  --clr-neutral-600: hsl(0, 0%, 25%);
  --clr-neutral-700: hsl(0, 0%, 15%);
  --clr-neutral-800: hsl(0, 0%, 10%);
  --clr-neutral-900: hsl(0, 0%, 4%);
  
  /* Surfaces */
  --surface-primary: var(--clr-neutral-900);
  --surface-secondary: hsl(0, 0%, 7%);
  --surface-tertiary: hsl(0, 0%, 10%);
  --surface-card: hsl(0, 0%, 9%);
  
  /* Text Colors */
  --text-primary: var(--clr-neutral-50);
  --text-secondary: var(--clr-neutral-300);
  --text-tertiary: var(--clr-neutral-400);
  
  /* Responsive Typography Scale */
  --fs-200: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --fs-300: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --fs-400: clamp(1rem, 0.925rem + 0.375vw, 1.125rem);
  --fs-500: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
  --fs-600: clamp(1.25rem, 1.125rem + 0.625vw, 1.5rem);
  --fs-700: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
  --fs-800: clamp(2rem, 1.5rem + 2.5vw, 3rem);
  --fs-900: clamp(2.5rem, 1.75rem + 3.75vw, 4rem);
  --fs-1000: clamp(3rem, 2rem + 5vw, 5rem);
  
  /* Responsive Spacing Scale */
  --space-2xs: clamp(0.25rem, 0.225rem + 0.125vw, 0.375rem);
  --space-xs: clamp(0.5rem, 0.45rem + 0.25vw, 0.75rem);
  --space-sm: clamp(0.75rem, 0.675rem + 0.375vw, 1rem);
  --space-md: clamp(1rem, 0.9rem + 0.5vw, 1.5rem);
  --space-lg: clamp(1.5rem, 1.35rem + 0.75vw, 2rem);
  --space-xl: clamp(2rem, 1.8rem + 1vw, 3rem);
  --space-2xl: clamp(3rem, 2.7rem + 1.5vw, 4rem);
  --space-3xl: clamp(4rem, 3.6rem + 2vw, 6rem);
  
  /* Layout Containers */
  --container-xs: 20rem;
  --container-sm: 40rem;
  --container-md: 48rem;
  --container-lg: 64rem;
  --container-xl: 80rem;
  --container-2xl: 87.5rem;
  --container-fluid: 100%;
  
  /* Border Radius */
  --radius-xs: 0.25rem;
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 16px 32px rgba(0, 0, 0, 0.25);
  --shadow-2xl: 0 24px 48px rgba(0, 0, 0, 0.3);
  
  /* Transitions */
  --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);
  --transition-slower: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-Index Scale */
  --z-below: -1;
  --z-base: 0;
  --z-dropdown: 1000;
  --z-sticky: 1100;
  --z-fixed: 1200;
  --z-modal-backdrop: 1300;
  --z-modal: 1400;
  --z-popover: 1500;
  --z-tooltip: 1600;
}

/* Light Mode Support */
@media (prefers-color-scheme: light) {
  :root {
    --surface-primary: var(--clr-neutral-50);
    --surface-secondary: var(--clr-neutral-100);
    --surface-tertiary: var(--clr-neutral-200);
    --surface-card: white;
    --text-primary: var(--clr-neutral-900);
    --text-secondary: var(--clr-neutral-600);
    --text-tertiary: var(--clr-neutral-500);
  }
}

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

html {
  font-size: 100%;
  scroll-behavior: smooth;
  text-size-adjust: none;
  -webkit-text-size-adjust: none;
  -moz-text-size-adjust: none;
  -ms-text-size-adjust: none;
}

body {
  min-height: 100vh;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: var(--fs-400);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--surface-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
  max-width: 65ch;
}

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

ul,
ol {
  list-style: none;
}

/* Focus Styles */
:focus-visible {
  outline: 2px solid var(--clr-primary-400);
  outline-offset: 2px;
}

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

.container {
  --container-padding: clamp(1rem, 5vw, 2rem);
  width: min(var(--container-2xl), 100% - var(--container-padding) * 2);
  margin-inline: auto;
}

/* -----------------------------------------------------
   4. ANIMATED BACKGROUND
   ----------------------------------------------------- */
.bg {
  position: fixed;
  inset: 0;
  z-index: var(--z-below);
  overflow: hidden;
  pointer-events: none;
}

.bg__sphere {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: floatSphere 20s infinite ease-in-out;
  will-change: transform;
}

.bg__sphere--1 {
  width: min(50vw, 600px);
  height: min(50vw, 600px);
  background: radial-gradient(circle, var(--clr-primary-400) 0%, transparent 70%);
  top: -20%;
  left: -20%;
}

.bg__sphere--2 {
  width: min(60vw, 800px);
  height: min(60vw, 800px);
  background: radial-gradient(circle, var(--clr-accent-purple) 0%, transparent 70%);
  bottom: -30%;
  right: -30%;
  animation-delay: -5s;
}

.bg__sphere--3 {
  width: min(40vw, 500px);
  height: min(40vw, 500px);
  background: radial-gradient(circle, var(--clr-accent-pink) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -10s;
}

.bg__grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.01) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.01) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.3;
}

@keyframes floatSphere {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -30px) scale(1.05); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(-30px, -20px) scale(1.02); }
}

/* -----------------------------------------------------
   5. HEADER & NAVIGATION
   ----------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-base);
}

.header.scrolled {
  background: rgba(10, 10, 10, 0.95);
  box-shadow: var(--shadow-lg);
}

.nav__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: var(--space-sm) var(--space-lg);
  max-width: var(--container-2xl);
  margin-inline: auto;
}

/* Brand */
.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  position: relative;
  flex-shrink: 0;
}

.nav__brand-glow {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background: radial-gradient(circle, var(--clr-primary-400) 0%, transparent 70%);
  filter: blur(20px);
  opacity: 0.5;
  animation: pulse 2s infinite;
}

.nav__logo {
  width: clamp(2.25rem, 2rem + 1.25vw, 3rem);
  height: clamp(2.25rem, 2rem + 1.25vw, 3rem);
  object-fit: contain;
  transition: transform var(--transition-base);
}

.nav__brand:hover .nav__logo {
  transform: rotate(360deg) scale(1.1);
}

.nav__brand-text {
  display: flex;
  flex-direction: column;
}

.nav__brand-name {
  font-size: var(--fs-600);
  font-weight: 700;
  background: linear-gradient(135deg, var(--clr-primary-400) 0%, var(--clr-accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.nav__brand-tagline {
  font-size: var(--fs-200);
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Navigation Menu */
.nav__menu {
  display: flex;
  gap: var(--space-xs);
  align-items: center;
}

.nav__link {
  position: relative;
  padding: var(--space-xs) var(--space-md);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: var(--fs-300);
  border-radius: var(--radius-md);
  transition: color var(--transition-base);
  overflow: hidden;
}

.nav__link::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--clr-primary-400) 0%, var(--clr-accent-purple) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: -1;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--clr-primary-400) 0%, var(--clr-accent-purple) 100%);
  transition: transform var(--transition-base);
}

.nav__link:hover,
.nav__link--active {
  color: var(--text-primary);
}

.nav__link:hover::before,
.nav__link--active::before {
  opacity: 0.1;
}

.nav__link:hover::after,
.nav__link--active::after {
  transform: translateX(-50%) scaleX(1);
}

/* Mobile Toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-xs);
  z-index: var(--z-tooltip);
}

.nav__toggle-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-base);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(2) {
  opacity: 0;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* -----------------------------------------------------
   6. HERO SECTION
   ----------------------------------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(80px + var(--space-2xl));
  padding-bottom: var(--space-2xl);
  position: relative;
  overflow: hidden;
}

.hero__container {
  width: 100%;
  max-width: var(--container-2xl);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

/* Hero Content */
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background: rgba(14, 165, 233, 0.1);
  border: 1px solid rgba(14, 165, 233, 0.3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
}

.hero__badge-icon {
  font-size: var(--fs-300);
  animation: pulse 2s infinite;
}

.hero__badge-text {
  font-size: var(--fs-200);
  font-weight: 600;
  color: var(--clr-primary-400);
}

.hero__title {
  margin-bottom: var(--space-md);
}

.hero__title-accent {
  display: block;
  font-size: var(--fs-500);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
}

.hero__title-main {
  display: block;
  font-size: var(--fs-1000);
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--clr-primary-400) 0%, var(--clr-accent-purple) 50%, var(--clr-accent-pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-xs);
}

.hero__title-sub {
  display: block;
  font-size: var(--fs-800);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.hero__description {
  font-size: var(--fs-500);
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  max-width: 600px;
}

.hero__stats {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

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

.hero__stat-value {
  font-size: var(--fs-700);
  font-weight: 800;
  background: linear-gradient(135deg, var(--clr-accent-yellow) 0%, var(--clr-accent-yellow-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.hero__stat-label {
  font-size: var(--fs-200);
  color: var(--text-tertiary);
  white-space: nowrap;
}

.hero__actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* Hero Visual */
.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.mockup {
  position: relative;
  perspective: 1000px;
  max-width: 725px;
  width: 100%;
}

.mockup__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120%;
  height: 120%;
  background: radial-gradient(circle, var(--clr-primary-400) 0%, transparent 60%);
  filter: blur(60px);
  opacity: 0.3;
  animation: pulse 3s infinite;
}

.mockup__image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  transform: rotateY(-5deg) rotateX(2deg);
  transition: transform var(--transition-slow);
}

.mockup:hover .mockup__image {
  transform: rotateY(0deg) rotateX(0deg) scale(1.02);
}

/* Feature Tags - Optimized Positioning */
.mockup__features {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.feature-tag {
  position: absolute;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-xs) var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-200);
  white-space: nowrap;
  box-shadow: var(--shadow-lg);
  animation: float 3s infinite ease-in-out;
}

/* Optimized positions to not cover mockup */
.feature-tag--1 {
  top: 5%;
  left: -10%;
  animation-delay: 0s;
}

.feature-tag--2 {
  bottom: 15%;
  right: -10%;
  animation-delay: 1s;
}

.feature-tag--3 {
  top: 40%;
  left: -15%;
  animation-delay: 2s;
}

.feature-tag__icon {
  font-size: var(--fs-400);
}

.feature-tag__text {
  font-weight: 600;
}

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

@keyframes pulse {
  0% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.05); }
  100% { opacity: 0.3; transform: scale(1); }
}

/* -----------------------------------------------------
   7. BUTTONS
   ----------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--fs-300);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, var(--clr-primary-400) 0%, var(--clr-primary-500) 100%);
  color: white;
  box-shadow: 0 4px 15px -3px rgba(14, 165, 233, 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px -3px rgba(14, 165, 233, 0.4);
}

.btn--primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn--primary:hover::before {
  left: 100%;
}

.btn--secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid rgba(255, 255, 255, 0.1);
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--clr-primary-400);
  transform: translateX(5px);
}

.btn--download {
  background: linear-gradient(135deg, var(--clr-accent-yellow) 0%, var(--clr-accent-yellow-dark) 100%);
  color: var(--surface-primary);
  font-size: var(--fs-400);
  padding: var(--space-md) var(--space-xl);
  box-shadow: 0 4px 20px -3px rgba(255, 215, 0, 0.4);
}

.btn--download:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px -3px rgba(255, 215, 0, 0.5);
}

.btn__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 100%);
  transform: translateX(-100%);
  transition: transform 0.6s;
}

.btn--download:hover .btn__bg {
  transform: translateX(0);
}

.btn__content {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.btn__icon {
  font-size: var(--fs-500);
  flex-shrink: 0;
}

.btn__arrow {
  transition: transform var(--transition-base);
}

.btn:hover .btn__arrow {
  transform: translateX(5px);
}

/* Support Buttons */
.btn--paypal {
  background: #0070ba;
  color: white;
}

.btn--coffee {
  background: #FFDD00;
  color: #000;
}

.btn--paypal:hover,
.btn--coffee:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* -----------------------------------------------------
   8. FEATURES SECTION
   ----------------------------------------------------- */
.features {
  padding: var(--space-3xl) 0;
  background: var(--surface-secondary);
  position: relative;
}

.features__container {
  max-width: var(--container-2xl);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
  max-width: 800px;
  margin-inline: auto;
}

.section-header__label {
  display: inline-block;
  font-size: var(--fs-200);
  font-weight: 600;
  color: var(--clr-primary-400);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.section-header__title {
  margin-bottom: var(--space-sm);
}

.section-header__title-gradient {
  display: block;
  font-size: var(--fs-900);
  font-weight: 800;
  background: linear-gradient(135deg, var(--clr-primary-400) 0%, var(--clr-accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  margin-bottom: var(--space-xs);
}

.section-header__title-normal {
  display: block;
  font-size: var(--fs-700);
  font-weight: 700;
  color: var(--text-primary);
}

.section-header__description {
  font-size: var(--fs-500);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-inline: auto;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: var(--space-lg);
}

.feature-card {
  position: relative;
  background: var(--surface-card);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  overflow: hidden;
  transition: all var(--transition-base);
  cursor: pointer;
}

.feature-card__bg {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: 0;
}

.feature-card--cache .feature-card__bg {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
}

.feature-card--compile .feature-card__bg {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
}

.feature-card--dex .feature-card__bg {
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.1) 0%, rgba(255, 215, 0, 0.1) 100%);
}

.feature-card--monitor .feature-card__bg {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(14, 165, 233, 0.1) 100%);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.feature-card:hover .feature-card__bg {
  opacity: 1;
}

.feature-card__content {
  position: relative;
  z-index: 1;
}

.feature-card__icon-wrapper {
  position: relative;
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-md);
}

.feature-card__icon-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, var(--clr-primary-400) 0%, transparent 70%);
  filter: blur(20px);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.feature-card:hover .feature-card__icon-glow {
  opacity: 0.5;
}

.feature-card__icon {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: brightness(0) invert(1);
  transition: transform var(--transition-base);
}

.feature-card:hover .feature-card__icon {
  transform: scale(1.1) rotate(5deg);
}

.feature-card__title {
  font-size: var(--fs-600);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
  line-height: 1.3;
}

.feature-card__description {
  font-size: var(--fs-300);
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.feature-card__stats {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.feature-card__stat {
  font-size: var(--fs-200);
  font-weight: 600;
  color: var(--clr-primary-400);
  padding: var(--space-2xs) var(--space-xs);
  background: rgba(14, 165, 233, 0.1);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

/* -----------------------------------------------------
   9. STATS SECTION
   ----------------------------------------------------- */
.stats {
  padding: var(--space-3xl) 0;
  background: linear-gradient(135deg, var(--surface-primary) 0%, var(--surface-secondary) 100%);
  position: relative;
  overflow: hidden;
}

.stats::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(14, 165, 233, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
}

.stats__container {
  max-width: var(--container-2xl);
  margin-inline: auto;
  padding-inline: var(--space-lg);
  position: relative;
  z-index: 1;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
  gap: var(--space-lg);
}

.stat-card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, var(--clr-primary-400) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-base);
  filter: blur(30px);
}

.stat-card:hover {
  transform: translateY(-5px);
  border-color: var(--clr-primary-400);
}

.stat-card:hover::before {
  opacity: 0.1;
}

.stat-card__icon {
  font-size: var(--fs-800);
  margin-bottom: var(--space-sm);
  display: block;
}

.stat-card__value {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-2xs);
  margin-bottom: var(--space-xs);
}

.stat-card__number {
  font-size: var(--fs-800);
  font-weight: 800;
  background: linear-gradient(135deg, var(--clr-primary-400) 0%, var(--clr-accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat-card__suffix {
  font-size: var(--fs-600);
  font-weight: 600;
  color: var(--text-secondary);
}

.stat-card__label {
  font-size: var(--fs-200);
  color: var(--text-tertiary);
  line-height: 1.5;
}

/* -----------------------------------------------------
   10. DOWNLOAD SECTION
   ----------------------------------------------------- */
.download {
  padding: var(--space-3xl) 0;
  background: var(--surface-secondary);
  position: relative;
  overflow: hidden;
}

.download__container {
  max-width: var(--container-2xl);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.download__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.download__content {
  text-align: center;
}

.download__title {
  font-size: var(--fs-900);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.download__title-line {
  display: block;
}

.download__title-line--accent {
  background: linear-gradient(135deg, var(--clr-accent-yellow) 0%, var(--clr-accent-yellow-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.download__description {
  font-size: var(--fs-500);
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.8;
  margin-inline: auto;
}

.version-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.version-info__badge {
  display: flex;
  flex-direction: column;
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 215, 0, 0.1);
  border: 1px solid rgba(255, 215, 0, 0.3);
  border-radius: var(--radius-lg);
}

.version-info__label {
  font-size: var(--fs-200);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.version-info__number {
  font-size: var(--fs-500);
  font-weight: 700;
  color: var(--clr-accent-yellow);
}

.version-info__details {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
}

.version-info__detail {
  font-size: var(--fs-200);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  white-space: nowrap;
}

.download__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.download__links {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  justify-content: center;
}

.link {
  color: var(--text-secondary);
  font-size: var(--fs-200);
  transition: color var(--transition-base);
}

.link:hover {
  color: var(--clr-primary-400);
}

.link__separator {
  color: var(--text-tertiary);
  font-size: var(--fs-200);
}

.link--arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--clr-primary-400);
  font-weight: 600;
  font-size: var(--fs-300);
}

.link__arrow {
  transition: transform var(--transition-base);
}

.link--arrow:hover .link__arrow {
  transform: translateX(5px);
}

/* Download Visual */
.download__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 300px;
}

.download__mascot-wrapper {
  position: relative;
  animation: float 3s infinite ease-in-out;
}

.download__mascot {
  width: clamp(200px, 40vw, 300px);
  height: auto;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
}

.particle {
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--clr-accent-yellow);
  border-radius: 50%;
  animation: particleFloat 4s infinite linear;
}

.particle--1 { top: 20%; left: 10%; animation-delay: 0s; }
.particle--2 { top: 50%; right: 10%; animation-delay: 1s; }
.particle--3 { bottom: 20%; left: 20%; animation-delay: 2s; }
.particle--4 { bottom: 40%; right: 20%; animation-delay: 3s; }

@keyframes particleFloat {
  0% { transform: translateY(0) rotate(0deg); opacity: 1; }
  100% { transform: translateY(-100px) rotate(360deg); opacity: 0; }
}

/* -----------------------------------------------------
   11. CHANGELOG SECTION
   ----------------------------------------------------- */
.changelog {
  padding: var(--space-3xl) 0;
  background: var(--surface-primary);
}

.changelog__container {
  max-width: var(--container-2xl);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.changelog__preview {
  background: var(--surface-card);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  max-width: 800px;
  margin-inline: auto;
}

.changelog__list {
  margin-bottom: var(--space-md);
}

.changelog__list li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-sm);
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: var(--fs-300);
}

.changelog__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--clr-accent-green);
  font-weight: bold;
}

.changelog__footer {
  text-align: center;
}

.changelog__note {
  color: var(--text-tertiary);
  font-style: italic;
  margin-bottom: var(--space-sm);
  font-size: var(--fs-300);
}

/* -----------------------------------------------------
   12. CONTACT SECTION
   ----------------------------------------------------- */
.contact {
  padding: var(--space-3xl) 0;
  background: var(--surface-secondary);
}

.contact__container {
  max-width: var(--container-2xl);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.contact__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-3xl);
}

.contact-card {
  background: var(--surface-card);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--clr-primary-400) 0%, var(--clr-accent-purple) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.contact-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.contact-card:hover::before {
  transform: scaleX(1);
}

.contact-card__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-sm);
  padding: var(--space-xs);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.contact-card:hover .contact-card__icon {
  background: rgba(255, 255, 255, 0.1);
  transform: rotate(5deg);
}

.contact-card__icon img {
  width: 100%;
  height: 100%;
  filter: brightness(0) invert(1);
}

.contact-card__title {
  font-size: var(--fs-500);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.contact-card__description {
  font-size: var(--fs-200);
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.contact-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--clr-primary-400);
  font-weight: 600;
  font-size: var(--fs-300);
  transition: all var(--transition-base);
}

.contact-card__link:hover {
  gap: var(--space-sm);
}

.contact-card__link-icon {
  transition: transform var(--transition-base);
}

.contact-card__link:hover .contact-card__link-icon {
  transform: translate(3px, -3px);
}

/* Support Section */
.support {
  background: var(--surface-card);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
}

.support__header {
  margin-bottom: var(--space-lg);
}

.support__title {
  font-size: var(--fs-700);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.support__description {
  color: var(--text-secondary);
  font-size: var(--fs-300);
}

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

/* -----------------------------------------------------
   12.5. SUPPORT SECTION
   ----------------------------------------------------- */
.support {
  padding: var(--space-3xl) 0;
  background: var(--surface-primary);
  position: relative;
  overflow: hidden;
}

.support::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(14, 165, 233, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(255, 215, 0, 0.1) 0%, transparent 40%);
  opacity: 0.5;
}

.support__container {
  position: relative;
  z-index: 1;
  max-width: var(--container-lg);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.support__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

@media (min-width: 64em) {
  .support__grid {
    grid-template-columns: 1.2fr 1fr;
  }
}

.support__content {
  text-align: center;
}

@media (min-width: 64em) {
  .support__content {
    text-align: left;
  }
}

.support__description {
  color: var(--text-secondary);
  font-size: var(--fs-400);
  line-height: 1.7;
  max-width: 65ch;
  margin-inline: auto;
  margin-bottom: var(--space-md);
}

@media (min-width: 64em) {
  .support__description {
    margin-inline: 0;
  }
}


.support__buttons {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--space-lg);
}

@media (min-width: 64em) {
  .support__buttons {
    justify-content: flex-start;
  }
}


.support__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.support-card {
  background: var(--surface-secondary);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
  width: 100%;
  max-width: 400px;
  transition: all var(--transition-base);
}

.support-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--clr-primary-400);
}

.support-card__glow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at var(--mouse-x) var(--mouse-y), rgba(14, 165, 233, 0.15), transparent 40%);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: 0;
}

.support-card:hover .support-card__glow {
  opacity: 1;
}

.support-card__title {
  font-size: var(--fs-500);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  position: relative;
  z-index: 1;
  text-align: center;
}

.support-card__perks {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  position: relative;
  z-index: 1;
}

.perk {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.perk__icon {
  font-size: var(--fs-600);
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.support-card:hover .perk__icon {
  transform: scale(1.1);
}

.perk__text {
  display: flex;
  flex-direction: column;
  font-size: var(--fs-300);
  line-height: 1.5;
}

.perk__text strong {
  font-weight: 600;
  color: var(--text-primary);
}

.perk__text span {
  font-size: var(--fs-200);
  color: var(--text-secondary);
}

/* Update Support Buttons for more emphasis */
.btn--paypal,
.btn--coffee {
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

.btn--paypal {
  background: linear-gradient(135deg, #0070ba, #005ea6);
  color: white;
}

.btn--coffee {
  background: linear-gradient(135deg, #FFDD00, #fbc531);
  color: var(--clr-neutral-900);
}

.btn--paypal:hover,
.btn--coffee:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: var(--shadow-lg);
}

.btn--paypal .btn__icon,
.btn--coffee .btn__icon {
  width: 24px;
  height: 24px;
  transition: transform var(--transition-base);
}

.btn--paypal:hover .btn__icon {
  transform: rotate(-5deg) scale(1.1);
}

.btn--coffee:hover .btn__icon {
    transform: rotate(5deg) scale(1.1);
}

/* Remove old support section from contact */
.contact .support {
  display: none;
}

/* -----------------------------------------------------
   13. FOOTER
   ----------------------------------------------------- */
.footer {
  background: var(--surface-primary);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-3xl) 0 var(--space-xl);
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--clr-primary-400) 50%, transparent);
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.footer__container {
  max-width: var(--container-2xl);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

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

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer__logo-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.footer__logo {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}

.footer__brand-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}

.footer__brand-name {
  font-size: var(--fs-600);
  font-weight: 700;
  background: linear-gradient(135deg, var(--clr-primary-400) 0%, var(--clr-accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer__brand-tagline {
  font-size: var(--fs-200);
  color: var(--text-secondary);
}

.footer__description {
  color: var(--text-secondary);
  font-size: var(--fs-300);
  line-height: 1.7;
  max-width: 400px;
}

.footer__social {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: all var(--transition-base);
}

.footer__social-link:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--clr-primary-400);
  color: var(--clr-primary-400);
  transform: translateY(-2px);
}

.footer__social-link svg {
  width: 20px;
  height: 20px;
}

.footer__nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-lg);
}

.footer__nav-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer__nav-title {
  font-size: var(--fs-200);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer__nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer__nav-link {
  color: var(--text-secondary);
  font-size: var(--fs-200);
  transition: color var(--transition-base);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.footer__nav-link::before {
  content: '';
  width: 0;
  height: 1px;
  background: var(--clr-primary-400);
  transition: width var(--transition-base);
}

.footer__nav-link:hover {
  color: var(--clr-primary-400);
}

.footer__nav-link:hover::before {
  width: 12px;
}

.footer__bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.footer__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer__copyright {
  color: var(--text-tertiary);
  font-size: var(--fs-200);
}

.footer__note {
  color: var(--text-secondary);
  font-size: var(--fs-200);
}

.footer__badges {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.footer__badge {
  padding: var(--space-2xs) var(--space-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  font-size: var(--fs-200);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--transition-base);
}

.footer__badge:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--clr-primary-400);
  color: var(--clr-primary-400);
}

/* -----------------------------------------------------
   14. ANIMATIONS & KEYFRAMES
   ----------------------------------------------------- */
[data-aos] {
  opacity: 0;
  transition-property: transform, opacity;
}

[data-aos="fade-up"] {
  transform: translateY(20px);
}

[data-aos="fade-down"] {
  transform: translateY(-20px);
}

[data-aos="fade-left"] {
  transform: translateX(20px);
}

[data-aos="fade-right"] {
  transform: translateX(-20px);
}

[data-aos="zoom-in"] {
  transform: scale(0.9);
}

[data-aos].aos-animate {
  opacity: 1;
  transform: translate(0) scale(1);
}

/* -----------------------------------------------------
   15. RESPONSIVE BREAKPOINTS
   ----------------------------------------------------- */

/* Tablet Portrait - 768px */
@media (min-width: 48em) {
  .hero__grid {
    grid-template-columns: 1fr 1fr;
    text-align: left;
  }
  
  .hero__content {
    align-items: flex-start;
  }
  
  .download__grid {
    grid-template-columns: 1fr 0.5fr;
  }
  
  .download__content {
    text-align: left;
  }
  
  .version-info,
  .download__links {
    justify-content: flex-start;
  }
  
  .footer__content {
    grid-template-columns: 1fr 2fr;
    gap: var(--space-3xl);
  }
  
  /* Adjust feature tags for tablet */
  .feature-tag--1 {
    top: 10%;
    left: -5%;
  }
  
  .feature-tag--2 {
    bottom: 20%;
    right: -5%;
  }
  
  .feature-tag--3 {
    top: 45%;
    left: -8%;
  }
}

/* Desktop Small - 1024px */
@media (min-width: 64em) {
  .nav__brand-tagline {
    display: block;
  }
  
  /* Better positioning for desktop */
  .feature-tag--1 {
    top: 15%;
    left: -12%;
  }
  
  .feature-tag--2 {
    bottom: 25%;
    right:  5%;
  }
  
  .feature-tag--3 {
    top: 50%;
    left: -15%;
  }
}

/* Desktop Large - 1440px */
@media (min-width: 90em) {
  .features__grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .stats__grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .contact__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 4K & TV - 1920px+ */
@media (min-width: 120em) {
  :root {
    font-size: 112.5%;
  }
}

/* Mobile Navigation */
@media (max-width: 47.999em) {
  .nav__menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.98);
    flex-direction: column;
    padding: var(--space-sm);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
    gap: var(--space-xs);
  }
  
  .nav__menu[aria-hidden="false"] {
    display: flex;
  }
  
  .nav__link {
    width: 100%;
    text-align: center;
  }
  
  .nav__toggle {
    display: flex;
  }
  
  .nav__brand-tagline {
    display: none;
  }
  
  /* Mobile specific adjustments */
  .hero {
    text-align: center;
  }
  
  .hero__content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .hero__description {
    text-align: center;
  }
  
  .hero__stats {
    justify-content: center;
  }
  
  .hero__actions {
    width: 100%;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  /* Hide feature tags on mobile to not clutter */
  .feature-tag {
    display: none;
  }
  
  .download__visual {
    order: -1;
  }
  
  .support__buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .support__buttons .btn {
    width: 100%;
    justify-content: center;
  }
  
  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .footer__info {
    align-items: center;
  }
}

/* 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;
  }
  
  .bg__sphere,
  .bg__grid {
    display: none;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --text-secondary: hsl(0, 0%, 80%);
    --text-tertiary: hsl(0, 0%, 60%);
  }
  
  .btn,
  .feature-card,
  .stat-card,
  .contact-card {
    border: 2px solid currentColor;
  }
}

/* Print Styles */
@media print {
  .bg,
  .header,
  .download,
  .contact,
  .footer {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .hero,
  .features,
  .stats {
    page-break-after: always;
  }
}