/* ============================================
   Bandizip Website - Premium Modern Design
   ============================================ */

/* CSS Variables - Blue, White & Black Color Palette */
:root {
    /* Blue Colors */
    --primary: #0066CC;
    --primary-dark: #004499;
    --primary-light: #0080FF;
    --primary-bright: #3399FF;
    
    /* Accent */
    --accent: #0080FF;
    --accent-light: #3399FF;
    
    /* Gradients */
    --gradient-1: linear-gradient(135deg, #004499 0%, #0066CC 50%, #0080FF 100%);
    --gradient-2: linear-gradient(135deg, #004499 0%, #0066CC 100%);
    --gradient-3: linear-gradient(135deg, #0066CC 0%, #0080FF 100%);
    --gradient-hero: linear-gradient(135deg, #004499 0%, #0066CC 50%, #0080FF 100%);
    
    /* Background Colors */
    --dark-bg: #000000;
    --dark-surface: rgba(20, 20, 20, 0.9);
    --dark-surface-solid: #0A0A0A;
    --dark-border: rgba(0, 102, 204, 0.3);
    
    /* Glass Effects */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    /* Gray Colors */
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1E293B;
    
    /* Text Colors */
    --text-light: #FFFFFF;
    --text-bright: #F8FAFC;
    --text-muted: rgba(255, 255, 255, 0.75);
    --text-dim: rgba(255, 255, 255, 0.55);
    --text-gray: #CBD5E1;
    
    --success: #10B981;
    --error: #EF4444;
    --warning: #F59E0B;
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 30px rgba(0, 102, 204, 0.4);
    --shadow-glow-strong: 0 0 50px rgba(0, 102, 204, 0.6);
}

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

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

body {
    font-family: var(--font-family);
    line-height: 1.7;
    color: var(--text-bright);
    background: var(--dark-bg);
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(0, 68, 153, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 102, 204, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(0, 128, 255, 0.1) 0%, transparent 50%);
    background-attachment: fixed;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-light);
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
    margin-bottom: 1.25rem;
    color: var(--text-muted);
    font-size: 1.0625rem;
}

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

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

ul, ol {
    margin-left: 1.5rem;
    margin-bottom: 1.25rem;
}

li {
    margin-bottom: 0.75rem;
    color: var(--text-muted);
}

/* Header & Navigation - Glassmorphism */
.main-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(10, 14, 39, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.navbar {
    padding: 1.25rem 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    position: relative;
    min-height: 60px;
}

.navbar .container > * {
    display: flex;
    align-items: center;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
    text-decoration: none;
}

.logo:hover {
    transform: scale(1.02);
}

.logo:hover .logo-text {
    color: var(--accent);
    text-shadow: 0 0 15px rgba(0, 128, 255, 0.5);
}

.logo-img {
    height: 45px;
    width: auto;
    filter: drop-shadow(0 0 10px rgba(0, 102, 204, 0.5));
    flex-shrink: 0;
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-light);
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #0354a5 0%, #0251a0 50%, #0f5dab 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition);
    white-space: nowrap;
    filter: brightness(1.2);
    line-height: 1;
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    margin: 0;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.nav-menu li {
    display: flex;
    align-items: center;
    height: 100%;
}

.nav-menu li a {
    color: var(--text-bright);
    font-weight: 500;
    padding: 0;
    position: relative;
    transition: var(--transition);
    font-size: 1rem;
    line-height: 1;
    display: flex;
    align-items: center;
    height: 100%;
    transform: translateY(8px);
}

.nav-menu li a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: var(--transition);
}

.nav-menu li a:hover::before,
.nav-menu li a.active::before {
    width: 100%;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    color: var(--accent);
    text-shadow: 0 0 10px rgba(0, 128, 255, 0.4);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.language-selector {
    position: relative;
}

.language-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-light);
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1;
    height: auto;
}

.language-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent);
    box-shadow: 0 0 10px rgba(0, 102, 204, 0.3);
}

.language-toggle[aria-expanded="true"] {
    border-color: var(--accent);
    box-shadow: 0 0 10px rgba(0, 102, 204, 0.3);
}

.language-flag {
    width: 20px;
    height: 15px;
    object-fit: cover;
    border-radius: 2px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.language-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: rgba(20, 20, 30, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    min-width: 180px;
    max-height: 400px;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 10000;
    pointer-events: none;
}

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

.language-dropdown::-webkit-scrollbar {
    width: 6px;
}

.language-dropdown::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.language-dropdown::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 3px;
}

.language-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
    border-bottom: 1px solid var(--glass-border);
}

.language-option:last-child {
    border-bottom: none;
}

.language-option:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--accent);
    padding-left: 1.25rem;
}

.language-option img {
    width: 24px;
    height: 18px;
    object-fit: cover;
    border-radius: 3px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    flex-shrink: 0;
}

.language-option span {
    font-size: 0.9375rem;
    font-weight: 500;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--text-light);
    border-radius: 3px;
    transition: var(--transition);
}

/* Hero Section - Premium Design */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 6rem 0;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: var(--gradient-hero);
    opacity: 0.3;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 30% 30%, rgba(0, 68, 153, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(0, 102, 204, 0.3) 0%, transparent 50%);
    animation: rotate 30s linear infinite;
}

.hero-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.05) 50%, transparent 70%),
        linear-gradient(-45deg, transparent 30%, rgba(255, 255, 255, 0.05) 50%, transparent 70%);
    background-size: 100px 100px;
    animation: slide 20s linear infinite;
}

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

@keyframes slide {
    from { background-position: 0 0; }
    to { background-position: 100px 100px; }
}

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

.hero-logo {
    max-width: 200px;
    height: auto;
    margin: 0 auto 2rem;
    display: block;
    filter: drop-shadow(0 0 20px rgba(0, 102, 204, 0.5));
    animation: fadeInUp 1s ease-out;
    transition: var(--transition);
}

.hero-logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 30px rgba(0, 102, 204, 0.7));
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    margin-bottom: 2rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 30px rgba(0, 102, 204, 0.5));
    animation: fadeInUp 1s ease-out;
}

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

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--text-bright);
    margin-bottom: 3rem;
    line-height: 1.8;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-note {
    font-size: 0.9375rem;
    color: var(--text-dim);
    animation: fadeInUp 1s ease-out 0.6s both;
}

/* Free Badge */
.free-badge {
    position: absolute;
    top: -8px;
    right: 10px;
    background: var(--gradient-1);
    color: var(--text-light);
    font-size: 0.6875rem;
    font-weight: 700;
    padding: 0.25rem 0.625rem;
    border-radius: 12px;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 102, 204, 0.4);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 2px 8px rgba(0, 102, 204, 0.4);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 4px 12px rgba(0, 102, 204, 0.6);
    }
}

/* Buttons - Modern & Premium */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    font-size: 1.0625rem;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.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: var(--transition);
}

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

.btn-primary {
    background: var(--gradient-1);
    color: var(--text-light);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-xl), var(--shadow-glow-strong);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--text-light);
    border: 2px solid var(--glass-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(0, 128, 255, 0.25);
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.125rem;
}

.btn:active {
    transform: translateY(-1px) scale(0.98);
}

/* Sections */
.section-padding {
    padding: 6rem 0;
}

.section-title {
    text-align: center;
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(0, 102, 204, 0.3));
}

.section-intro {
    text-align: center;
    max-width: 750px;
    margin: 0 auto 4rem;
    font-size: 1.1875rem;
    color: var(--text-muted);
    line-height: 1.8;
}

.bg-dark {
    background: var(--dark-surface-solid);
    position: relative;
}

.bg-dark::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 68, 153, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 102, 204, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* Page Hero */
.page-hero {
    padding: 5rem 0 3rem;
    text-align: center;
    background: var(--gradient-hero);
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
    position: relative;
    overflow: hidden;
}

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

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 14, 39, 0.4);
}

.page-hero .container {
    position: relative;
    z-index: 1;
}

.page-hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.page-intro {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--text-bright);
    max-width: 850px;
    margin: 0 auto;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

/* Benefits Section - Glass Cards */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.benefit-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-1);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

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

.benefit-card.animate {
    opacity: 1;
    transform: translateY(0);
    animation: slideUp 0.6s ease-out;
}

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

.benefit-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--accent);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.benefit-icon {
    width: 70px;
    height: 70px;
    margin-bottom: 2rem;
    background: var(--gradient-1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    box-shadow: var(--shadow-md), var(--shadow-glow);
    transition: var(--transition);
}

.benefit-card:hover .benefit-icon {
    transform: rotate(5deg) scale(1.1);
    box-shadow: var(--shadow-lg), var(--shadow-glow-strong);
}

.benefit-icon svg {
    width: 40px;
    height: 40px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.benefit-card h3 {
    margin-bottom: 1rem;
    color: var(--text-light);
    font-size: 1.375rem;
}

.benefit-card p {
    color: var(--text-gray);
    line-height: 1.7;
    font-size: 1rem;
}

/* Platforms Section */
.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.platform-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: 3rem;
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
    position: relative;
    overflow: hidden;
}

.platform-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 68, 153, 0.1) 0%, transparent 70%);
    transition: var(--transition);
}

.platform-card:hover::before {
    top: -30%;
    right: -30%;
}

.platform-card.animate {
    opacity: 1;
    transform: translateY(0);
    animation: slideUp 0.6s ease-out;
}

.platform-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.platform-desc {
    color: var(--text-gray);
    margin-bottom: 2rem;
    font-size: 1.0625rem;
}

.platform-features {
    list-style: none;
    margin: 2rem 0;
    padding: 0;
}

.platform-features li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-gray);
    font-size: 1rem;
    transition: var(--transition);
}

.platform-card:hover .platform-features li {
    color: var(--text-bright);
    transform: translateX(5px);
}

.platform-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
    font-size: 1.25rem;
    text-shadow: 0 0 10px rgba(0, 128, 255, 0.4);
}

/* Pro Features */
.pro-features {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: 24px;
    padding: 4rem;
    margin-top: 4rem;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-xl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-item {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-1);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.feature-item:hover::before {
    opacity: 0.1;
}

.feature-item.animate {
    opacity: 1;
    transform: translateY(0);
    animation: slideUp 0.6s ease-out;
}

.feature-item:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.feature-image {
    width: 100%;
    max-width: 200px;
    height: auto;
    margin: 0 auto 1.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    filter: brightness(1.05);
    display: block;
}

.feature-item:hover .feature-image {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.feature-item h3 {
    margin-bottom: 1rem;
    font-size: 1.375rem;
    color: var(--text-light);
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-item p {
    font-size: 1rem;
    color: var(--text-gray);
    line-height: 1.7;
    margin: 0;
}

.pro-note {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--glass-border);
    color: var(--text-gray);
    font-size: 1rem;
}

/* Screenshots */
.screenshots-teaser {
    background: var(--dark-surface-solid);
    position: relative;
    overflow: hidden;
}

.screenshots-teaser::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 30%, rgba(0, 68, 153, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(0, 102, 204, 0.12) 0%, transparent 50%);
    pointer-events: none;
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.screenshot-item {
    border-radius: 16px;
    overflow: hidden;
    opacity: 0;
    transform: scale(0.9);
    transition: var(--transition);
    position: relative;
    box-shadow: var(--shadow-md);
}

.screenshot-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-1);
    opacity: 0;
    transition: var(--transition);
    mix-blend-mode: overlay;
}

.screenshot-item:hover::after {
    opacity: 0.2;
}

.screenshot-item.animate {
    opacity: 1;
    transform: scale(1);
    animation: scaleIn 0.5s ease-out;
}

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

.screenshot-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    z-index: 10;
}

.screenshot-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
    cursor: pointer;
}

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

.text-center {
    text-align: center;
    margin-top: 3rem;
}

/* Quick Links */
.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.link-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    text-align: center;
    transition: var(--transition);
    display: block;
    opacity: 0;
    transform: translateY(30px);
    position: relative;
    overflow: hidden;
}

.link-card::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--gradient-1);
    opacity: 0.1;
    transform: translate(-50%, -50%);
    transition: var(--transition);
}

.link-card:hover::before {
    width: 300px;
    height: 300px;
}

.link-card.animate {
    opacity: 1;
    transform: translateY(0);
    animation: slideUp 0.6s ease-out;
}

.link-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.link-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 2rem;
    background: var(--gradient-1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    box-shadow: var(--shadow-md), var(--shadow-glow);
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.link-card:hover .link-icon {
    transform: rotate(5deg) scale(1.1);
    box-shadow: var(--shadow-lg), var(--shadow-glow-strong);
}

.link-icon svg {
    width: 35px;
    height: 35px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.link-card h3 {
    margin-bottom: 0.75rem;
    color: var(--text-light);
    position: relative;
    z-index: 1;
}

.link-card p {
    color: var(--text-muted);
    font-size: 0.9375rem;
    position: relative;
    z-index: 1;
}

/* Content Sections */
.content-section {
    padding: 5rem 0;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.feature-box {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    opacity: 0;
    transform: translateX(-30px);
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.feature-box.animate {
    opacity: 1;
    transform: translateX(0);
    animation: slideInLeft 0.6s ease-out;
}

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

.feature-box:hover {
    transform: translateX(10px);
    border-color: var(--accent);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.feature-box h3 {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.pro-features-list {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    margin-top: 3rem;
}

.pro-feature-item {
    display: flex;
    gap: 2.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    opacity: 0;
    transform: translateX(-30px);
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.pro-feature-item.animate {
    opacity: 1;
    transform: translateX(0);
    animation: slideInLeft 0.6s ease-out;
}

.pro-feature-item:hover {
    transform: translateX(10px);
    border-color: var(--accent);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.pro-feature-item img {
    width: 140px;
    height: 140px;
    object-fit: contain;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    flex-shrink: 0;
}

.pro-feature-item:hover img {
    transform: scale(1.1) rotate(2deg);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.pro-feature-item h3 {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.75rem;
    font-size: 1.375rem;
}

.pro-feature-item p {
    color: var(--text-gray);
    line-height: 1.7;
}

/* Formats */
.formats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.format-group {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.format-group.animate {
    opacity: 1;
    transform: translateY(0);
    animation: slideUp 0.6s ease-out;
}

.format-group:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.format-group h3 {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.format-group ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.format-group li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--glass-border);
    color: var(--text-gray);
    transition: var(--transition);
    font-size: 1rem;
}

.format-group:hover li {
    color: var(--text-bright);
    transform: translateX(5px);
}

.format-group li:last-child {
    border-bottom: none;
}

/* Download Section */
.download-section {
    text-align: center;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: 24px;
    padding: 5rem 3rem;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.download-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 68, 153, 0.2) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

.download-section .container {
    position: relative;
    z-index: 1;
}

.download-intro {
    font-size: 1.1875rem;
    color: var(--text-gray);
    margin-bottom: 2.5rem;
}

.download-box {
    max-width: 550px;
    margin: 0 auto;
}

.download-note {
    margin-top: 1.5rem;
    font-size: 0.9375rem;
    color: var(--text-dim);
}

/* Performance Box */
.performance-box {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    margin-bottom: 2.5rem;
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.performance-box.animate {
    opacity: 1;
    transform: translateY(0);
    animation: slideUp 0.6s ease-out;
}

.performance-box:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.performance-box h3 {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

/* Requirements */
.requirements-box {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.requirements-box.animate {
    opacity: 1;
    transform: translateY(0);
    animation: slideUp 0.6s ease-out;
}

.requirements-box:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.requirements-list {
    list-style: none;
    margin: 2rem 0;
    padding: 0;
}

.requirements-list li {
    padding: 1rem 0;
    padding-left: 2.5rem;
    position: relative;
    border-bottom: 1px solid var(--glass-border);
    color: var(--text-gray);
    font-size: 1rem;
    transition: var(--transition);
}

.requirements-box:hover .requirements-list li {
    color: var(--text-bright);
    transform: translateX(5px);
}

.requirements-list li:last-child {
    border-bottom: none;
}

.requirements-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-size: 1.5rem;
    font-weight: bold;
    text-shadow: 0 0 10px rgba(0, 128, 255, 0.4);
}

.requirements-note {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    color: var(--text-gray);
    font-size: 1rem;
}

/* Help Section */
.help-content {
    max-width: 950px;
    margin: 0 auto;
}

.help-section {
    margin-bottom: 4rem;
    opacity: 0;
    transform: translateY(30px);
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.help-section.animate {
    opacity: 1;
    transform: translateY(0);
    animation: slideUp 0.6s ease-out;
}

.help-section:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.help-section-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--glass-border);
}

.help-section h2 {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0;
    font-size: 2rem;
}

.help-section h3 {
    color: var(--text-light);
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.375rem;
}

.help-section ol,
.help-section ul {
    margin: 1.5rem 0;
}

.help-section li {
    margin-bottom: 1rem;
    color: var(--text-gray);
    font-size: 1.0625rem;
    line-height: 1.7;
}

/* FAQ */
.faq-container {
    margin-top: 3rem;
}

.faq-item {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    margin-bottom: 1.5rem;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.faq-item:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    padding: 1.75rem;
    background: none;
    border: none;
    text-align: left;
    color: var(--text-light);
    font-size: 1.1875rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

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

.faq-question[aria-expanded="true"] {
    color: var(--accent);
    text-shadow: 0 0 10px rgba(0, 128, 255, 0.4);
}

.faq-icon {
    width: 28px;
    height: 28px;
    transition: var(--transition);
    color: var(--accent);
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.faq-answer p {
    padding: 0 1.75rem 1.75rem;
    margin: 0;
    color: var(--text-gray);
    font-size: 1.0625rem;
    line-height: 1.7;
}

/* History Timeline */
.history-timeline {
    position: relative;
    max-width: 950px;
    margin: 0 auto;
    padding: 3rem 0;
}

.history-timeline::before {
    content: '';
    position: absolute;
    left: 40px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-1);
    border-radius: 3px;
    box-shadow: var(--shadow-glow);
}

.timeline-item {
    position: relative;
    padding-left: 100px;
    margin-bottom: 4rem;
    opacity: 0;
    transform: translateX(-30px);
}

.timeline-item.animate {
    opacity: 1;
    transform: translateX(0);
    animation: slideInLeft 0.6s ease-out;
}

.timeline-marker {
    position: absolute;
    left: 28px;
    top: 0;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--gradient-1);
    border: 4px solid var(--dark-bg);
    z-index: 1;
    box-shadow: var(--shadow-glow);
    transition: var(--transition);
}

.timeline-item:hover .timeline-marker {
    transform: scale(1.2);
    box-shadow: var(--shadow-glow-strong);
}

.timeline-content {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.timeline-item:hover .timeline-content {
    transform: translateX(10px);
    border-color: var(--accent);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.timeline-date {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.timeline-details h3 {
    color: var(--text-light);
    margin-bottom: 1.25rem;
    font-size: 1.5rem;
}

.timeline-details ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.timeline-details li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-gray);
    font-size: 1.0625rem;
    transition: var(--transition);
}

.timeline-item:hover .timeline-details li {
    color: var(--text-bright);
    transform: translateX(5px);
}

.timeline-details li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
    font-size: 1.25rem;
    text-shadow: 0 0 10px rgba(0, 128, 255, 0.4);
}

.history-note {
    margin-top: 5rem;
    padding: 3rem;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    opacity: 0;
    transform: translateY(30px);
    box-shadow: var(--shadow-md);
}

.history-note.animate {
    opacity: 1;
    transform: translateY(0);
    animation: slideUp 0.6s ease-out;
}

.history-note h2 {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2rem;
    font-size: 2rem;
}

.history-note ul {
    list-style: none;
    margin: 2rem 0;
    padding: 0;
}

.history-note li {
    padding: 1rem 0;
    padding-left: 2.5rem;
    position: relative;
    color: var(--text-gray);
    font-size: 1.0625rem;
    line-height: 1.7;
}

.history-note li strong {
    color: var(--accent);
    text-shadow: 0 0 10px rgba(0, 128, 255, 0.25);
}

.history-note li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
    font-size: 1.5rem;
    text-shadow: 0 0 10px rgba(0, 128, 255, 0.4);
}

/* Screenshots Gallery */
.screenshots-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.screenshot-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    cursor: pointer;
    transition: var(--transition);
    opacity: 0;
    transform: scale(0.9);
    box-shadow: var(--shadow-md);
    position: relative;
}

.screenshot-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-1);
    opacity: 0;
    transition: var(--transition);
    mix-blend-mode: overlay;
    pointer-events: none;
}

.screenshot-card:hover::after {
    opacity: 0.2;
}

.screenshot-card.animate {
    opacity: 1;
    transform: scale(1);
    animation: scaleIn 0.5s ease-out;
}

.screenshot-card:hover {
    transform: scale(1.05);
    border-color: var(--accent);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    z-index: 10;
}

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

.screenshot-card:hover .screenshot-img {
    transform: scale(1.1);
}

.screenshot-caption {
    padding: 1.5rem;
    text-align: center;
    color: var(--text-gray);
    font-size: 0.9375rem;
    margin: 0;
    background: rgba(10, 14, 39, 0.5);
    transition: var(--transition);
}

.screenshot-card:hover .screenshot-caption {
    color: var(--text-bright);
    background: rgba(10, 14, 39, 0.7);
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 14, 39, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    animation: fadeIn 0.3s ease-out;
}

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

.lightbox.active {
    display: flex;
    flex-direction: column;
}

.lightbox-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    padding-bottom: 150px;
}

.lightbox-img {
    max-width: 90%;
    max-height: calc(90vh - 150px);
    object-fit: contain;
    border-radius: 16px;
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    animation: zoomIn 0.3s ease-out;
}

.lightbox-thumbnails {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1.5rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    overflow-x: auto;
    border-top: 1px solid var(--glass-border);
    z-index: 10001;
}

.lightbox-thumbnails::-webkit-scrollbar {
    height: 6px;
}

.lightbox-thumbnails::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.lightbox-thumbnails::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 3px;
}

.lightbox-thumbnail {
    width: 100px;
    height: 70px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    opacity: 0.6;
    transition: var(--transition);
    border: 2px solid transparent;
    flex-shrink: 0;
}

.lightbox-thumbnail:hover {
    opacity: 1;
    transform: scale(1.1);
    border-color: var(--accent);
}

.lightbox-thumbnail.active {
    opacity: 1;
    border-color: var(--accent);
    box-shadow: 0 0 15px rgba(0, 128, 255, 0.5);
}

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

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: var(--text-light);
    font-size: 2rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    background: var(--accent);
    border-color: var(--accent);
    transform: scale(1.1);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.lightbox-close {
    top: 2rem;
    right: 2rem;
}

.lightbox-prev {
    left: 2rem;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-caption {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-light);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-md);
}

/* Contact Form */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-form-container {
    opacity: 0;
    transform: translateX(-30px);
}

.contact-form-container.animate {
    opacity: 1;
    transform: translateX(0);
    animation: slideInLeft 0.6s ease-out;
}

.contact-form {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: 3rem;
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-xl);
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.75rem;
    color: var(--text-light);
    font-weight: 600;
    font-size: 1rem;
}

.required {
    color: var(--error);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    background: rgba(10, 14, 39, 0.5);
    border: 2px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-light);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(0, 128, 255, 0.15), var(--shadow-glow);
    background: rgba(10, 14, 39, 0.7);
}

.form-group input:invalid:not(:focus):not(:placeholder-shown),
.form-group textarea:invalid:not(:focus):not(:placeholder-shown) {
    border-color: var(--error);
}

.error-message {
    display: block;
    color: var(--error);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    min-height: 1.25rem;
}

.checkbox-group {
    margin-bottom: 2.5rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.875rem;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 0.9375rem;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-top: 0.25rem;
    cursor: pointer;
    accent-color: var(--accent);
}

.checkbox-label a {
    color: var(--accent);
    text-decoration: underline;
    transition: var(--transition);
}

.checkbox-label a:hover {
    color: var(--primary-light);
}

.form-messages {
    padding: 1.25rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    display: none;
    font-weight: 500;
}

.form-messages.success {
    display: block;
    background: rgba(16, 185, 129, 0.15);
    border: 2px solid var(--success);
    color: var(--success);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.form-messages.error {
    display: block;
    background: rgba(239, 68, 68, 0.15);
    border: 2px solid var(--error);
    color: var(--error);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.contact-info {
    opacity: 0;
    transform: translateX(30px);
}

.contact-info.animate {
    opacity: 1;
    transform: translateX(0);
    animation: slideInRight 0.6s ease-out;
}

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

.contact-info h2 {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2rem;
    font-size: 2rem;
}

.info-item {
    margin-bottom: 2.5rem;
    padding-bottom: 2.5rem;
    padding-left: 3.5rem;
    border-bottom: 1px solid var(--glass-border);
    position: relative;
}

.info-item:last-child {
    border-bottom: none;
}

.info-icon {
    position: absolute;
    left: 0;
    top: 0;
    width: 40px;
    height: 40px;
    background: var(--gradient-1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    box-shadow: var(--shadow-md), var(--shadow-glow);
    transition: var(--transition);
}

.info-item:hover .info-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-lg), var(--shadow-glow-strong);
}

.info-item h3 {
    color: var(--text-light);
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.info-item p {
    color: var(--text-gray);
    font-size: 1.0625rem;
    line-height: 1.7;
}

.info-note {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-md);
}

.info-note p {
    color: var(--text-gray);
    font-size: 0.9375rem;
    margin: 0;
    line-height: 1.7;
}

.info-note a {
    color: var(--accent);
    text-decoration: underline;
    transition: var(--transition);
}

.info-note a:hover {
    color: var(--primary-light);
}

/* Legal Content */
.legal-content {
    max-width: 950px;
    margin: 0 auto;
    line-height: 1.8;
}

.legal-content h2 {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    padding-top: 3rem;
    border-top: 2px solid var(--glass-border);
    font-size: 2rem;
}

.legal-content h2:first-of-type {
    border-top: none;
    padding-top: 0;
}

.legal-content h3 {
    color: var(--text-light);
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.375rem;
}

.legal-content ul {
    margin: 1.5rem 0;
}

.legal-content li {
    color: var(--text-gray);
    font-size: 1.0625rem;
    margin-bottom: 1rem;
}

.legal-content a {
    color: var(--accent);
    text-decoration: underline;
    transition: var(--transition);
}

.legal-content a:hover {
    color: var(--primary-light);
}

/* Footer */
.main-footer {
    background: var(--dark-surface-solid);
    border-top: 1px solid var(--glass-border);
    padding: 5rem 0 2.5rem;
    margin-top: 5rem;
    position: relative;
    overflow: hidden;
}

.main-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 68, 153, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 102, 204, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    text-decoration: none;
    transition: var(--transition);
}

.footer-logo:hover {
    transform: translateY(-2px);
}

.footer-logo-img {
    height: 50px;
    width: auto;
    filter: drop-shadow(0 0 10px rgba(0, 102, 204, 0.5));
}

.footer-logo-text {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-light);
    letter-spacing: -0.02em;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-section h4 {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-gray);
    transition: var(--transition);
    font-size: 1rem;
    display: inline-block;
}

.footer-links a:hover {
    color: var(--accent);
    transform: translateX(5px);
    text-shadow: 0 0 10px rgba(0, 128, 255, 0.4);
}

.footer-section p {
    color: var(--text-gray);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.footer-bottom {
    text-align: center;
    padding-top: 3rem;
    border-top: 1px solid var(--glass-border);
    position: relative;
    z-index: 1;
}

.footer-bottom p {
    color: var(--text-dim);
    font-size: 0.875rem;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    html {
        font-size: 15px;
    }

    .navbar .container {
        grid-template-columns: auto 1fr auto;
    }

    .header-actions {
        gap: 0.75rem;
    }

    .language-toggle {
        padding: 0.4rem 0.6rem;
        font-size: 0.8125rem;
    }

    .language-code {
        display: none;
    }

    .logo-text {
        font-size: 1.5rem;
    }

    .logo-img {
        height: 40px;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 75px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 75px);
        background: rgba(10, 14, 39, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 3rem 2rem;
        transition: var(--transition);
        border-top: 1px solid var(--glass-border);
        box-shadow: var(--shadow-xl);
        justify-content: flex-start;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero {
        min-height: 85vh;
        padding: 4rem 0;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-brand {
        max-width: 100%;
    }

    .benefits-grid,
    .platforms-grid,
    .features-grid,
    .links-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .platforms-grid[style*="repeat(3"] {
        grid-template-columns: 1fr !important;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .pro-feature-item {
        flex-direction: column;
        text-align: center;
    }

    .pro-feature-item img {
        width: 100%;
        max-width: 200px;
        margin: 0 auto 1.5rem;
    }

    .formats-grid {
        grid-template-columns: 1fr;
    }

    .screenshots-gallery {
        grid-template-columns: 1fr;
    }

    .history-timeline::before {
        left: 20px;
    }

    .timeline-item {
        padding-left: 60px;
    }

    .timeline-marker {
        left: 8px;
        width: 24px;
        height: 24px;
    }

    .lightbox-prev,
    .lightbox-next {
        display: none;
    }

    .lightbox-close {
        top: 1rem;
        right: 1rem;
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    .section-padding {
        padding: 4rem 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }

    .logo-text {
        font-size: 1.25rem;
    }

    .logo-img {
        height: 35px;
    }

    .logo {
        gap: 0.75rem;
    }

    .hero {
        min-height: 75vh;
        padding: 3rem 0;
    }

    .page-hero {
        padding: 4rem 0 2rem;
    }

    .contact-form {
        padding: 2rem;
    }

    .pro-features {
        padding: 2.5rem;
    }

    .download-section {
        padding: 3rem 2rem;
    }
}

/* Animation Utilities */
[data-animate] {
    opacity: 0;
}

[data-animate].animate {
    opacity: 1;
}

/* Smooth Scrolling */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* Selection */
::selection {
    background: rgba(0, 128, 255, 0.25);
    color: var(--text-light);
}

::-moz-selection {
    background: rgba(0, 128, 255, 0.25);
    color: var(--text-light);
}