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

:root {
    --primary: #8B5CF6;
    --secondary: #EC4899;
    --accent: #10B981;
    
    /* Light Mode */
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-light: #9CA3AF;
    
    --bg: #FFFFFF;
    --bg-secondary: #F9FAFB;
    
    --border: #E5E7EB;
    
    --gradient-primary: linear-gradient(135deg, #8B5CF6 0%, #EC4899 100%);
    --gradient-bg: linear-gradient(135deg, rgba(139, 92, 246, 0.05) 0%, rgba(236, 72, 153, 0.05) 100%);
    
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* Dark Mode */
body.dark-mode {
    --text-primary: #F9FAFB;
    --text-secondary: #D1D5DB;
    --text-light: #9CA3AF;
    
    --bg: #0F172A;
    --bg-secondary: #1E293B;
    
    --border: #334155;
    
    --gradient-bg: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
    
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background: var(--bg);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Background */
.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-bg);
    z-index: -2;
    transition: background 0.3s ease;
}

.bg-shapes {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: -1;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation: float 20s infinite ease-in-out;
    transition: opacity 0.3s ease;
}

body.dark-mode .shape {
    opacity: 0.05;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: var(--gradient-primary);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    bottom: -80px;
    right: -80px;
    animation-delay: 5s;
}

.shape-3 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    top: 50%;
    right: 10%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(50px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-30px, 30px) scale(0.9);
    }
}

/* Container */
.container {
    max-width: 900px;
    width: 100%;
    padding: 40px 24px;
    text-align: center;
    position: relative;
    z-index: 1;
}

/* Desktop Controls */
.desktop-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.top-controls {
    position: absolute;
    top: 40px;
    right: 24px;
    animation: fadeInDown 0.8s ease;
}

/* Theme Toggle */
.theme-toggle {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.theme-toggle:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.theme-toggle svg {
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.sun-icon {
    display: none;
}

.moon-icon {
    display: block;
}

body.dark-mode .sun-icon {
    display: block;
}

body.dark-mode .moon-icon {
    display: none;
}

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: 8px;
    background: var(--bg);
    padding: 6px;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.lang-btn {
    padding: 8px 16px;
    background: transparent;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.lang-flag {
    font-size: 18px;
    line-height: 1;
}

.lang-text {
    display: inline;
}

.lang-btn:hover {
    color: var(--primary);
}

.lang-btn.active {
    background: var(--gradient-primary);
    color: white;
}

/* Mobile Controls */
.mobile-controls {
    display: none;
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 100;
}

.settings-toggle {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.settings-toggle:hover,
.settings-toggle:active {
    border-color: var(--primary);
    transform: rotate(90deg);
}

.settings-toggle svg {
    color: var(--text-primary);
    transition: transform 0.3s ease;
}

.settings-menu {
    position: absolute;
    top: 52px;
    right: 0;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 16px;
    min-width: 240px;
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.settings-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.settings-header span {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.close-menu {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.close-menu:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.settings-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 8px;
   gap: 10px;
}

.settings-item-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.settings-item-left svg {
    color: var(--text-secondary);
    flex-shrink: 0;
}

.settings-label {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
}

.settings-divider {
    height: 1px;
    background: var(--border);
    margin: 8px 0;
}

.theme-toggle-mobile {
    display: flex;
    align-items: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.theme-label {
    padding: 6px 12px;
    font-size: 13px;
    font-weight: 600;
    border-radius: 6px;
    transition: all 0.3s ease;
    z-index: 1;
    color: var(--text-secondary);
}

.light-label {
    color: var(--text-primary);
    background: white;
    box-shadow: var(--shadow);
}

.dark-label {
    color: var(--text-secondary);
}

body.dark-mode .light-label {
    color: var(--text-secondary);
    background: transparent;
    box-shadow: none;
}

body.dark-mode .dark-label {
    color: var(--text-primary);
    background: var(--bg);
    box-shadow: var(--shadow);
}

.lang-buttons-mobile {
    display: flex;
    gap: 8px;
}

.lang-btn-mobile {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lang-btn-mobile:hover {
    border-color: var(--primary);
    transform: scale(1.05);
}

.lang-btn-mobile.active {
    background: var(--gradient-primary);
    border-color: transparent;
    transform: scale(1.05);
}

/* Logo */
.logo {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 64px;
    animation: fadeInDown 0.8s ease;
}

.logo-text {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    transition: color 0.3s ease;
}

/* Content */
.content {
    animation: fadeInUp 0.8s ease 0.2s both;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 32px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.badge svg {
    color: var(--accent);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.3);
    }
}

.title {
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.description {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--text-secondary);
    margin-bottom: 64px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
    transition: color 0.3s ease;
}

/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 64px;
}

.feature {
    padding: 32px 24px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--primary);
    transition: all 0.3s ease;
}

.feature-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.feature-text {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    transition: color 0.3s ease;
}

/* Coming Soon Box */
.coming-soon-box {
    max-width: 600px;
    margin: 0 auto;
    padding: 48px 40px;
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.coming-soon-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.coming-soon-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: var(--primary);
    transition: all 0.3s ease;
}

.coming-soon-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.coming-soon-text {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    transition: color 0.3s ease;
}

/* Footer */
.footer {
    margin-top: 80px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content:center;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
    animation: fadeIn 0.8s ease 0.4s both;
    transition: border-color 0.3s ease;
}

.footer p {
    font-size: 14px;
    color: var(--text-light);
    transition: color 0.3s ease;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-links a:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 32px 20px;
    }
    
    /* Hide desktop controls, show mobile controls */
    .desktop-controls {
        display: none;
    }
    
    .mobile-controls {
        display: block;
    }
    
    .logo {
        margin-bottom: 48px;
        margin-top: 40px;
    }
    
    .logo-text {
        font-size: 28px;
    }
    
    .title {
        font-size: 36px;
        margin-bottom: 20px;
    }
    
    .description {
        font-size: 16px;
        margin-bottom: 48px;
    }
    
    .features {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-bottom: 48px;
    }
    
    .coming-soon-box {
        padding: 40px 32px;
    }
    
    .footer {
        margin-top: 60px;
        padding-top: 32px;
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .settings-toggle {
        width: 40px;
        height: 40px;
    }
    
    .settings-toggle svg {
        width: 20px;
        height: 20px;
    }
    
    .settings-menu {
        min-width: 220px;
    }
    
    .logo svg {
        width: 40px;
        height: 40px;
    }
    
    .logo-text {
        font-size: 24px;
    }
    
    .coming-soon-box {
        padding: 32px 24px;
    }
    
    .coming-soon-title {
        font-size: 28px;
    }
}