/* ========================================
   OBS Studio Pro - Design System
   Modern, Dark Theme with Animations
   ======================================== */

/* ===== Google Fonts ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ===== CSS Custom Properties ===== */
:root {
    /* Primary Colors - Enhanced Brand Palette */
    --color-primary: #001A3D;
    --color-primary-light: #00224B;
    --color-secondary: #2D2D44;
    --color-secondary-light: #3B3B50;
    --color-white: #FFFFFF;
    --color-accent: #00D4FF;
    --color-accent-hover: #00B8E6;
    --color-accent-glow: #00E5FF;
    
    /* Dark Theme Colors - Refined */
    --color-bg-dark: #0B0E18;
    --color-bg-darker: #050810;
    --color-bg-card: rgba(45, 45, 68, 0.4);
    --color-bg-card-hover: rgba(59, 59, 80, 0.6);
    --color-bg-glass: rgba(0, 34, 75, 0.75);
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(0, 212, 255, 0.4);
    --color-border-focus: rgba(0, 212, 255, 0.6);
    
    /* Text Colors - Better Contrast */
    --color-text-primary: #FFFFFF;
    --color-text-secondary: rgba(255, 255, 255, 0.75);
    --color-text-muted: rgba(255, 255, 255, 0.55);
    --color-text-dimmed: rgba(255, 255, 255, 0.35);
    
    /* Gradients - More Dynamic */
    --gradient-primary: linear-gradient(135deg, #001A3D 0%, #2D2D44 50%, #00224B 100%);
    --gradient-accent: linear-gradient(135deg, #00E5FF 0%, #00D4FF 50%, #00B8E6 100%);
    --gradient-dark: linear-gradient(180deg, #050810 0%, #0B0E18 50%, #001A3D 100%);
    --gradient-hero: linear-gradient(135deg, rgba(0, 26, 61, 0.97) 0%, rgba(45, 45, 68, 0.92) 100%);
    --gradient-card: linear-gradient(135deg, rgba(45, 45, 68, 0.3) 0%, rgba(0, 34, 75, 0.2) 100%);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 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;
    --font-size-5xl: 3.5rem;
    --font-size-6xl: 4.5rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 25px 50px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-tooltip: 500;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.65;
    color: var(--color-text-primary);
    background: var(--gradient-dark);
    background-attachment: fixed;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(0, 34, 75, 0.15) 0%, transparent 50%);
    z-index: -1;
    pointer-events: none;
}

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

a:hover {
    color: var(--color-accent-hover);
}

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

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.01em;
}

h1 {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    letter-spacing: -0.02em;
}

h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
}

h3 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
}

h4 {
    font-size: var(--font-size-xl);
    font-weight: 600;
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.text-accent {
    color: var(--color-accent);
}

.text-gradient {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.3));
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0%, 100% {
        filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.3)) brightness(1);
    }
    50% {
        filter: drop-shadow(0 0 30px rgba(0, 229, 255, 0.4)) brightness(1.1);
    }
}

/* ===== Layout ===== */
.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    position: relative;
}

.container-lg {
    max-width: 1440px;
}

.container-sm {
    max-width: 960px;
}

.section {
    padding: var(--spacing-4xl) 0;
    position: relative;
    overflow: hidden;
}

.section-sm {
    padding: var(--spacing-2xl) 0;
}

/* ===== Navigation ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(10, 15, 28, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(10, 15, 28, 0.95);
    box-shadow: var(--shadow-lg);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 80px;
    position: relative;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    position: absolute;
    left: 0;
}

.nav-logo img {
    height: 40px;
    width: auto;
}

.nav-logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-white);
}

.nav-menu {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2xl);
}

.nav-link {
    color: var(--color-text-secondary);
    font-weight: 500;
    position: relative;
    padding: var(--spacing-sm) 0;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-white);
}

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

/* Language Switcher */
.language-switcher {
    position: relative;
}

.language-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.language-btn:hover {
    border-color: var(--color-accent);
    background: rgba(0, 212, 255, 0.05);
}

.flag-icon {
    width: 20px;
    height: 15px;
    object-fit: cover;
    border-radius: 2px;
}

.lang-code {
    font-weight: 600;
}

.dropdown-icon {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-base);
}

.language-switcher.active .dropdown-icon {
    transform: rotate(180deg);
}

.language-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 180px;
    background: rgba(11, 14, 24, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: var(--z-dropdown);
    overflow: hidden;
}

.language-switcher.active .language-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.language-option:hover {
    background: rgba(0, 212, 255, 0.1);
    color: var(--color-white);
}

.language-option.active {
    background: rgba(0, 212, 255, 0.15);
    color: var(--color-accent);
}

.language-option img {
    width: 20px;
    height: 15px;
    object-fit: cover;
    border-radius: 2px;
}

.nav-cta {
    display: flex;
    gap: var(--spacing-md);
    position: absolute;
    right: 0;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: var(--spacing-sm);
    background: transparent;
}

.menu-toggle span {
    width: 28px;
    height: 2px;
    background: var(--color-white);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

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

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn::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 var(--transition-slow);
}

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

.btn-primary {
    background: var(--gradient-accent);
    color: var(--color-primary);
    font-weight: 700;
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.3);
    border: 2px solid transparent;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 45px rgba(0, 212, 255, 0.5), 0 0 60px rgba(0, 229, 255, 0.3);
    filter: brightness(1.1);
}

.btn-secondary {
    background: rgba(0, 212, 255, 0.05);
    color: var(--color-white);
    border: 2px solid var(--color-border-hover);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    background: rgba(0, 212, 255, 0.15);
    box-shadow: 0 8px 20px rgba(0, 212, 255, 0.2);
    transform: translateY(-2px);
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

.btn-icon {
    width: 24px;
    height: 24px;
}

/* Download Buttons */
.download-buttons {
    display: flex;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
    justify-content: center;
    margin-top: var(--spacing-2xl);
}

.download-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, 
        rgba(0, 212, 255, 0.08) 0%, 
        rgba(0, 34, 75, 0.8) 50%, 
        rgba(0, 212, 255, 0.08) 100%);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--radius-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 200px;
    position: relative;
    overflow: hidden;
    animation: downloadPulse 3s ease-in-out infinite;
}

@keyframes downloadPulse {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(0, 212, 255, 0.2), 0 0 40px rgba(0, 212, 255, 0.1);
    }
    50% {
        box-shadow: 0 4px 25px rgba(0, 212, 255, 0.4), 0 0 50px rgba(0, 212, 255, 0.2);
    }
}

.download-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, 
        rgba(0, 212, 255, 0.2) 0%, 
        rgba(0, 229, 255, 0.1) 50%, 
        rgba(0, 212, 255, 0.2) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.download-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.3), transparent);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.download-btn:hover::before {
    opacity: 1;
}

.download-btn:hover::after {
    width: 300px;
    height: 300px;
}

.download-btn:hover {
    border: 2px solid var(--color-accent);
    transform: translateY(-6px) scale(1.03);
    box-shadow: 
        0 15px 40px rgba(0, 212, 255, 0.4),
        0 8px 20px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    animation: none;
}

.download-btn svg {
    width: 28px;
    height: 28px;
    fill: var(--color-accent);
    filter: drop-shadow(0 2px 8px rgba(0, 212, 255, 0.3));
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
    animation: iconFloat 2s ease-in-out infinite;
}

@keyframes iconFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-3px);
    }
}

.download-btn:hover svg {
    fill: var(--color-accent-glow);
    filter: drop-shadow(0 4px 15px rgba(0, 229, 255, 0.6));
    transform: scale(1.1);
    animation: none;
}

.download-btn-text {
    text-align: left;
    position: relative;
    z-index: 2;
}

.download-btn-label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-bottom: 4px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color var(--transition-base);
}

.download-btn:hover .download-btn-label {
    color: var(--color-accent);
}

.download-btn-os {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    transition: all var(--transition-base);
}

.download-btn:hover .download-btn-os {
    color: var(--color-white);
    text-shadow: 0 2px 15px rgba(0, 212, 255, 0.5);
    letter-spacing: 0.3px;
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 95vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-bg video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 26, 61, 0.98) 0%, rgba(11, 14, 24, 0.95) 50%, rgba(0, 26, 61, 0.98) 100%);
    z-index: -1;
}

.hero-content {
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--spacing-4xl) var(--spacing-lg);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(0, 212, 255, 0.05));
    border: 1px solid var(--color-border-hover);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--spacing-xl);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.1);
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-accent-glow);
    border-radius: var(--radius-full);
    animation: pulse 2s infinite;
    box-shadow: 0 0 10px var(--color-accent);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: var(--spacing-xl);
    line-height: 1.15;
    letter-spacing: -0.02em;
    text-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-3xl);
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.75;
    font-weight: 400;
}

.hero-downloads {
    margin-bottom: var(--spacing-4xl);
    position: relative;
}

.hero-downloads::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 400px;
    height: 200px;
    background: radial-gradient(ellipse, rgba(0, 212, 255, 0.1), transparent 70%);
    transform: translate(-50%, -50%);
    pointer-events: none;
    animation: breathe 3s ease-in-out infinite;
}

@keyframes breathe {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.8;
    }
}

.hero-image {
    margin-top: var(--spacing-4xl);
    position: relative;
    animation: fadeInScale 1s ease-out 0.5s both;
}

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

.hero-image img {
    border-radius: var(--radius-xl);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6), 0 0 60px rgba(0, 212, 255, 0.15);
    border: 2px solid var(--color-border-hover);
}

.hero-glow {
    position: absolute;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.2) 0%, rgba(0, 212, 255, 0.05) 50%, transparent 70%);
    top: 30%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: -1;
    pointer-events: none;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.6;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 1;
    }
}

/* ===== Cards ===== */
.card {
    background: var(--gradient-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(0, 212, 255, 0.05), transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card:hover {
    border-color: var(--color-border-hover);
    background: var(--color-bg-card-hover);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 212, 255, 0.15);
}

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

.card-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-accent);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.card-icon svg {
    width: 28px;
    height: 28px;
    fill: var(--color-primary);
}

.card-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
    font-weight: 700;
}

.card-text {
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
    line-height: 1.7;
    margin-bottom: 0;
}

/* Feature Cards */
.feature-card {
    display: flex;
    gap: var(--spacing-xl);
    align-items: flex-start;
    padding: var(--spacing-2xl);
}

.feature-card-image {
    flex-shrink: 0;
    width: 50%;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.feature-card-image img {
    width: 100%;
    transition: transform var(--transition-slow);
}

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

.feature-card-content {
    flex: 1;
}

/* ===== Grid Layouts ===== */
.grid {
    display: grid;
    gap: var(--spacing-xl);
}

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

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

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

/* ===== Section Headers ===== */
.section-header {
    text-align: center;
    max-width: 750px;
    margin: 0 auto var(--spacing-3xl);
    position: relative;
}

.section-label {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-xs) var(--spacing-lg);
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    border-left: 2px solid var(--color-accent);
    border-right: 2px solid var(--color-accent);
    position: relative;
}

.section-label::before,
.section-label::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 1px;
    background: linear-gradient(90deg, var(--color-accent), transparent);
    top: 50%;
}

.section-label::before {
    left: -35px;
}

.section-label::after {
    right: -35px;
    transform: scaleX(-1);
}

.section-title {
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: 0;
    line-height: 1.6;
}

/* ===== Features Section ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-3xl);
}

.feature-item {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.feature-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* ===== Showcase Section ===== */
.showcase {
    position: relative;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-secondary) 100%);
    overflow: hidden;
}

.showcase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at top left, rgba(0, 212, 255, 0.05), transparent 50%);
    pointer-events: none;
}

.showcase-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.showcase-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(0, 212, 255, 0.1);
    border: 2px solid var(--color-border);
    position: relative;
}

.showcase-image::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.showcase-image:hover::after {
    opacity: 1;
}

.showcase-image img {
    width: 100%;
    transition: transform var(--transition-slow);
    filter: brightness(1.05) contrast(1.05);
}

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

.showcase-content {
    padding: var(--spacing-xl) 0;
    position: relative;
    z-index: 1;
}

.showcase-list {
    margin-top: var(--spacing-xl);
}

.showcase-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    color: var(--color-text-secondary);
}

.showcase-list li svg {
    width: 24px;
    height: 24px;
    fill: var(--color-accent);
    flex-shrink: 0;
}

/* ===== Download Section ===== */
.download-section {
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.download-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
    animation: rotate 30s linear infinite;
}

.download-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.download-content .download-buttons {
    justify-content: center;
    margin-top: var(--spacing-2xl);
}

/* ===== Platforms Section ===== */
.platforms {
    text-align: center;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 26, 61, 0.3) 50%, transparent 100%);
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-3xl);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.platform-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
    background: var(--gradient-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.platform-logo::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(0, 212, 255, 0.1), transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.platform-logo:hover::before {
    opacity: 1;
}

.platform-logo:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4), 0 0 30px rgba(0, 212, 255, 0.2);
}

.platform-logo svg {
    height: 48px;
    width: auto;
    max-width: 120px;
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-base);
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
    position: relative;
    z-index: 1;
}

.platform-logo:hover svg {
    color: var(--color-white);
    filter: drop-shadow(0 4px 15px rgba(0, 212, 255, 0.4));
    transform: scale(1.1);
}

.platform-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color var(--transition-base);
    position: relative;
    z-index: 1;
}

.platform-logo:hover .platform-name {
    color: var(--color-accent);
}

/* ===== Footer ===== */
.footer {
    background: linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg-darker) 100%);
    border-top: 1px solid var(--color-border-hover);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

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

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.footer-logo img {
    height: 32px;
}

.footer-logo-text {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-white);
}

.footer-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.footer-heading {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    position: relative;
    display: inline-block;
    padding-left: var(--spacing-sm);
}

.footer-links a::before {
    content: '›';
    position: absolute;
    left: 0;
    opacity: 0;
    transform: translateX(-5px);
    transition: all var(--transition-fast);
    color: var(--color-accent);
}

.footer-links a:hover {
    color: var(--color-accent);
    padding-left: var(--spacing-md);
}

.footer-links a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

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

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.footer-social a::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-accent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.footer-social a:hover::before {
    opacity: 1;
}

.footer-social a:hover {
    border-color: var(--color-accent);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 20px rgba(0, 212, 255, 0.3);
}

.footer-social svg {
    width: 20px;
    height: 20px;
    fill: var(--color-white);
    position: relative;
    z-index: 1;
    transition: transform var(--transition-base);
}

.footer-social a:hover svg {
    transform: scale(1.1);
    filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.5));
}

/* ===== Page Header ===== */
.page-header {
    padding: calc(80px + var(--spacing-4xl)) 0 var(--spacing-3xl);
    background: var(--gradient-primary);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

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

.page-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.page-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    font-size: var(--font-size-sm);
}

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

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

/* ===== Forms ===== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-white);
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-muted);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

/* ===== FAQ Accordion ===== */
.accordion {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.accordion-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.accordion-item:hover {
    border-color: var(--color-border-hover);
}

.accordion-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg) var(--spacing-xl);
    background: transparent;
    color: var(--color-white);
    font-size: var(--font-size-lg);
    font-weight: 600;
    text-align: left;
    cursor: pointer;
}

.accordion-icon {
    width: 24px;
    height: 24px;
    position: relative;
    flex-shrink: 0;
}

.accordion-icon::before,
.accordion-icon::after {
    content: '';
    position: absolute;
    background: var(--color-accent);
    transition: transform var(--transition-base);
}

.accordion-icon::before {
    width: 16px;
    height: 2px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.accordion-icon::after {
    width: 2px;
    height: 16px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.accordion-item.active .accordion-icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.accordion-item.active .accordion-content {
    max-height: 500px;
}

.accordion-body {
    padding: 0 var(--spacing-xl) var(--spacing-xl);
    color: var(--color-text-secondary);
}

/* ===== Plugin Cards ===== */
.plugin-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

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

.plugin-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.plugin-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-accent);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.plugin-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--color-primary);
}

.plugin-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: 0;
}

.plugin-author {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.plugin-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.plugin-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.plugin-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-accent);
}

/* ===== Forum Section ===== */
.forum-category {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition-base);
}

.forum-category:hover {
    border-color: var(--color-border-hover);
}

.forum-category-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.forum-category-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-accent);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.forum-category-icon svg {
    width: 28px;
    height: 28px;
    fill: var(--color-primary);
}

.forum-category-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.forum-category-description {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

.forum-subcategories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.forum-subcategory {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.forum-subcategory:hover {
    background: rgba(0, 212, 255, 0.1);
    color: var(--color-accent);
}

.forum-subcategory svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
    flex-shrink: 0;
}

/* ===== Legal Pages ===== */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.legal-content h2 {
    font-size: var(--font-size-2xl);
    margin-top: var(--spacing-3xl);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.legal-content h3 {
    font-size: var(--font-size-xl);
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
}

.legal-content p {
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.legal-content ul {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-xl);
}

.legal-content li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
}

.legal-content li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: var(--radius-full);
}

/* ===== Animations ===== */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

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

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Animation Classes */
.animate {
    opacity: 0;
}

.animate.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.animate.fade-in-left {
    animation: fadeInLeft 0.6s ease forwards;
}

.animate.fade-in-right {
    animation: fadeInRight 0.6s ease forwards;
}

.animate.scale-in {
    animation: scaleIn 0.6s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    :root {
        --font-size-5xl: 2.75rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.5rem;
    }
    
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .showcase-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.25rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.375rem;
        --spacing-4xl: 4rem;
        --spacing-3xl: 3rem;
    }
    
    .menu-toggle {
        display: flex;
        position: absolute;
        right: 0;
    }
    
    .nav {
        justify-content: center;
    }
    
    .nav-logo {
        position: relative;
        left: auto;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(11, 14, 24, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--spacing-3xl) var(--spacing-xl);
        gap: var(--spacing-lg);
        transform: translateX(100%);
        transition: transform var(--transition-base);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-link {
        font-size: var(--font-size-lg);
        padding: var(--spacing-md) 0;
    }
    
    .language-switcher {
        width: 100%;
    }
    
    .language-btn {
        width: 100%;
        justify-content: center;
    }
    
    .language-dropdown {
        left: 0;
        right: 0;
        width: 100%;
    }
    
    .nav-cta {
        flex-direction: column;
        width: 100%;
        position: relative;
        right: auto;
        margin-top: var(--spacing-lg);
    }
    
    .nav-cta .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-title {
        font-size: clamp(2rem, 6vw, 2.5rem);
        line-height: 1.2;
    }
    
    .hero-content {
        padding: var(--spacing-2xl) var(--spacing-md);
    }
    
    .download-buttons {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .download-btn {
        width: 100%;
        justify-content: flex-start;
        padding: var(--spacing-lg) var(--spacing-xl);
        min-width: auto;
    }
    
    .download-btn svg {
        width: 26px;
        height: 26px;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card {
        flex-direction: column;
    }
    
    .feature-card-image {
        width: 100%;
    }
    
    .platforms-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .platform-logo svg {
        height: 40px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .page-title {
        font-size: var(--font-size-3xl);
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-5xl: 1.875rem;
        --font-size-4xl: 1.5rem;
        --spacing-4xl: 3rem;
        --spacing-3xl: 2rem;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero {
        min-height: auto;
        padding-top: calc(80px + var(--spacing-3xl));
        padding-bottom: var(--spacing-3xl);
    }
    
    .section {
        padding: var(--spacing-3xl) 0;
    }
    
    .btn-lg {
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: var(--font-size-base);
    }
    
    .platforms-grid {
        grid-template-columns: 1fr;
    }
    
    .platform-logo {
        padding: var(--spacing-lg);
    }
    
    .platform-logo svg {
        height: 36px;
    }
}

/* ===== Utility Classes ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-md); }
.mt-2 { margin-top: var(--spacing-xl); }
.mt-3 { margin-top: var(--spacing-2xl); }
.mt-4 { margin-top: var(--spacing-3xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-md); }
.mb-2 { margin-bottom: var(--spacing-xl); }
.mb-3 { margin-bottom: var(--spacing-2xl); }
.mb-4 { margin-bottom: var(--spacing-3xl); }

.hidden { display: none; }
.visible { visibility: visible; }
.invisible { visibility: hidden; }

/* Parallax Effect */
.parallax {
    position: relative;
    overflow: hidden;
}

.parallax-bg {
    position: absolute;
    top: -20%;
    left: 0;
    width: 100%;
    height: 140%;
    background-size: cover;
    background-position: center;
    will-change: transform;
}