/* ============================================
   Digit Game Platform - Main Stylesheet
   Theme: Light Blue Tech-Finance
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - Light Blue Tech-Finance Theme */
    --primary-blue: #0066cc;
    --light-blue: #e8f4f8;
    --sky-blue: #b3d9f2;
    --cyan-accent: #00bcd4;
    --white: #ffffff;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --border-light: rgba(0, 102, 204, 0.1);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 102, 204, 0.2);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Typography */
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-mono: 'Monaco', 'Courier New', monospace;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: linear-gradient(135deg, #e8f4f8 0%, #d4e9f0 50%, #c5e3ed 100%);
    color: var(--text-dark);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.header {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 102, 204, 0.1);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--primary-blue);
    font-size: 1.5rem;
    font-weight: 700;
    transition: all 0.3s ease;
}

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

.logo-icon {
    width: 50px;
    height: 50px;
    /*
    background: linear-gradient(135deg, var(--primary-blue), var(--cyan-accent));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
    */
}

.nav-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width 0.3s ease;
}

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

.lang-toggle {
    background: linear-gradient(135deg, var(--primary-blue), var(--cyan-accent));
    color: var(--white);
    border: none;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.2);
}

.lang-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 204, 0.3);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-blue);
}

/* ============================================
   MAIN CONTENT
   ============================================ */

main {
    flex: 1;
}

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

/* Hero Section */
.hero {
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    background: linear-gradient(180deg, rgba(232, 244, 248, 0.5) 0%, rgba(212, 233, 240, 0.3) 100%);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-blue);
    font-weight: 700;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--cyan-accent);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

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

/* Features Section */
.features {
    padding: var(--spacing-xl) var(--spacing-lg);
    background: var(--white);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--primary-blue);
    font-weight: 700;
}

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

.feature-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.1);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 102, 204, 0.2);
    border-color: var(--cyan-accent);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-blue);
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Download Section */
.download {
    padding: var(--spacing-xl) var(--spacing-lg);
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.05) 0%, rgba(0, 188, 212, 0.05) 100%);
}

.download-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.download-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-blue);
}

.download-subtitle {
    font-size: 1.2rem;
    color: var(--cyan-accent);
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
}

.download-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.download-note {
    font-size: 0.9rem;
    color: var(--text-light);
    font-style: italic;
}

/* Support Section */
.support {
    padding: var(--spacing-xl) var(--spacing-lg);
    background: var(--white);
}

.support-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.support-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-blue);
}

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

.support-channel {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
}

.support-channel:hover {
    transform: translateY(-5px);
    border-color: var(--cyan-accent);
}

.support-channel h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-blue);
}

.support-channel a {
    display: inline-block;
    color: var(--cyan-accent);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    word-break: break-all;
}

.support-channel a:hover {
    color: var(--primary-blue);
    text-decoration: underline;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--cyan-accent));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 204, 0.4);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
    background: var(--primary-blue);
    color: var(--white);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1.1rem;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--glass-border);
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--text-light);
    margin-top: auto;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-text {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

.footer-links a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: var(--cyan-accent);
    text-decoration: underline;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--glass-bg);
        backdrop-filter: blur(10px);
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        border-bottom: 1px solid var(--glass-border);
    }

    .nav-menu.active {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

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

    .hero-buttons,
    .download-buttons,
    .support-channels {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .header-content {
        padding: var(--spacing-md);
    }

    .hero,
    .features,
    .download,
    .support {
        padding: var(--spacing-lg) var(--spacing-md);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
    }

    .hero h1 {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .download-title,
    .support-title {
        font-size: 1.5rem;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

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

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

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.text-center {
    text-align: center;
}

.text-primary {
    color: var(--primary-blue);
}

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

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.hidden {
    display: none;
}