/* Color Variables */
:root {
    --color-accent-primary: #B967E9;
    --color-accent-secondary: #9D77E8;
    --color-background-dark: #252931;
    --color-background-medium: #31353B;
    --color-background-light: #64697D;
    --color-white: #FFFFFF;
    
    /* Additional derived colors */
    --color-text-primary: #FFFFFF;
    --color-text-secondary: rgba(255, 255, 255, 0.85);
    --color-text-muted: #64697D;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--color-background-dark);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(37, 41, 49, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition-normal);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar.scrolled {
    background-color: rgba(37, 41, 49, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-text-primary);
    text-decoration: none;
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent-primary), var(--color-accent-secondary));
    transition: var(--transition-normal);
}

.nav-link:hover {
    color: var(--color-text-primary);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-text-primary);
    margin: 3px 0;
    transition: var(--transition-fast);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-background-dark) 0%, var(--color-background-medium) 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.3;
    z-index: 0;
}

.hero-pattern {
    width: 100%;
    height: 100%;
    color: var(--color-accent-secondary);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(185, 103, 233, 0.1);
    border: 1px solid rgba(185, 103, 233, 0.3);
    border-radius: 50px;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent-primary);
    font-size: 0.875rem;
    font-weight: 500;
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.title-main {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.title-subtitle {
    font-size: clamp(1.25rem, 4vw, 2rem);
    color: var(--color-text-secondary);
    font-weight: 300;
    font-style: italic;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-normal);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    color: var(--color-white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(185, 103, 233, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-primary);
    border-color: var(--color-text-secondary);
}

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

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-text-muted);
    animation: bounce 2s infinite;
}

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

/* Features Section */
.features {
    padding: var(--spacing-xl) var(--spacing-sm);
    background: linear-gradient(180deg, var(--color-background-dark) 0%, rgba(49, 53, 59, 0.5) 100%);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: var(--spacing-md);
    text-align: center;
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--color-accent-secondary);
    box-shadow: 0 20px 40px rgba(157, 119, 232, 0.2);
}

.feature-icon {
    color: var(--color-accent-secondary);
    margin-bottom: var(--spacing-sm);
    display: inline-flex;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.feature-text {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* Gallery Section */
.gallery {
    padding: var(--spacing-xl) var(--spacing-sm);
    background: linear-gradient(180deg, rgba(49, 53, 59, 0.5) 0%, var(--color-background-dark) 100%);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.screenshot-item {
    position: relative;
    padding: var(--spacing-sm);
}

.screenshot-frame {
    position: relative;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 25px;
    padding: var(--spacing-xs);
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-normal);
    overflow: hidden;
}

.screenshot-frame::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(45deg);
    transition: var(--transition-slow);
    opacity: 0;
}

.screenshot-frame:hover::before {
    animation: shine 1s ease-in-out;
}

@keyframes shine {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
        opacity: 0;
    }
}

.screenshot-frame:hover {
    transform: scale(1.05);
    border-color: var(--color-accent-secondary);
    box-shadow: 0 20px 40px rgba(157, 119, 232, 0.3);
}

.screenshot-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 20px;
    background: var(--color-background-dark);
}

/* Description Section */
.description {
    padding: var(--spacing-xl) var(--spacing-sm);
    background: linear-gradient(180deg, var(--color-background-dark) 0%, rgba(49, 53, 59, 0.8) 100%);
}

.description-content {
    max-width: 900px;
    margin: 0 auto;
}

.description-text {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.9;
}

.description-text p {
    margin-bottom: var(--spacing-md);
}

.description-text .section-title {
    margin-bottom: var(--spacing-md);
}

/* Content Pages (Privacy, Terms) */
.content-page {
    padding: calc(80px + var(--spacing-lg)) var(--spacing-sm) var(--spacing-xl);
    background: linear-gradient(180deg, rgba(49, 53, 59, 0.8) 0%, var(--color-background-dark) 100%);
    min-height: 100vh;
}

.page-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.page-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-date {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.page-subtitle {
    color: var(--color-text-secondary);
    font-size: 1.25rem;
}

.page-content {
    max-width: 800px;
    margin: 0 auto;
    color: var(--color-text-secondary);
    line-height: 1.9;
}

.page-content h2 {
    color: var(--color-text-primary);
    font-size: 2rem;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.page-content h3 {
    color: var(--color-text-primary);
    font-size: 1.5rem;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.page-content p {
    margin-bottom: var(--spacing-sm);
}

/* Contacts Section */
.contacts {
    padding: calc(80px + var(--spacing-lg)) var(--spacing-sm) var(--spacing-xl);
    background: linear-gradient(180deg, var(--color-background-dark) 0%, rgba(49, 53, 59, 0.8) 100%);
    min-height: 100vh;
}

.contacts-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.contacts-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: var(--spacing-md);
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
}

.contact-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--color-accent-secondary);
    transform: translateX(5px);
}

.contact-icon {
    color: var(--color-accent-primary);
    margin-bottom: var(--spacing-sm);
    display: inline-flex;
}

.contact-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.contact-card p {
    color: var(--color-text-secondary);
}

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

.contact-card a:hover {
    color: var(--color-accent-primary);
    text-decoration: underline;
}

.contact-form-wrapper {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: var(--spacing-md);
    backdrop-filter: blur(10px);
}

.contact-form-wrapper h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    color: var(--color-text-primary);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-sm);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent-secondary);
    background: rgba(255, 255, 255, 0.08);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg) var(--spacing-sm) var(--spacing-md);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

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

.footer-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-accent-secondary);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(37, 41, 49, 0.98);
        width: 100%;
        text-align: center;
        transition: var(--transition-normal);
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: var(--spacing-md) 0;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

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

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

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

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        text-align: center;
    }

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

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

    .contacts-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }

    .section-title {
        font-size: 2rem;
    }

    .page-title {
        font-size: 2rem;
    }
}

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

    .hero {
        padding: calc(80px + var(--spacing-md)) var(--spacing-xs) var(--spacing-md);
    }

    .features,
    .gallery,
    .description,
    .content-page,
    .contacts {
        padding-left: var(--spacing-xs);
        padding-right: var(--spacing-xs);
    }

    .feature-card,
    .contact-card {
        padding: var(--spacing-sm);
    }
}