/* Main Styles & Global Configuration */

:root {
    /* Color Palette from Background */
    --primary-blue: #0A1628;
    --deep-blue: #0D1B2E;
    --accent-blue: #1E3A8A;
    --bright-blue: #3B82F6;
    --purple-dark: #4C1D95;
    --purple-accent: #7C3AED;
    --purple-light: #A78BFA;
    --cyan-glow: #06B6D4;
    --pink-glow: #EC4899;
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--purple-dark) 100%);
    background-attachment: fixed;
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/onrec_background.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    opacity: 0.3;
    z-index: -1;
    pointer-events: none;
}

/* Glass Card Base */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
    transition: var(--transition-smooth);
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.5);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Buttons */
.btn-primary,
.btn-secondary {
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1rem;
    padding: 0.75rem 2rem;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--bright-blue), var(--purple-accent));
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(59, 130, 246, 0.6);
}

.btn-secondary {
    background: var(--glass-bg);
    color: white;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, var(--cyan-glow), var(--purple-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Section Containers */
.section-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
}

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

.section-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 300;
    max-width: 700px;
    margin: 0 auto;
}

/* Navigation */
.nav-glass {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

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

.nav-logo span {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 0.05em;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-smooth);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--bright-blue), var(--purple-accent));
    transition: var(--transition-smooth);
}

.nav-links a:hover {
    color: white;
}

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

.nav-cta {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: white;
    border-radius: 2px;
    transition: var(--transition-smooth);
}

/* Language Dropdown */
.lang-dropdown {
    position: relative;
    margin-left: auto;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    color: white;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.lang-flag {
    font-size: 1.2rem;
}

.lang-code {
    font-weight: 600;
    font-size: 0.875rem;
}

.lang-arrow {
    font-size: 0.625rem;
    opacity: 0.7;
    transition: transform 0.2s ease;
}

.lang-dropdown:hover .lang-arrow {
    transform: rotate(180deg);
}

.lang-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 0.5rem;
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.lang-dropdown:hover .lang-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition-smooth);
}

.lang-option:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.lang-option.active {
    background: rgba(59, 130, 246, 0.2);
    color: white;
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px rgba(59, 130, 246, 0.5); }
    50% { box-shadow: 0 0 40px rgba(124, 58, 237, 0.8); }
}

.floating {
    animation: float 6s ease-in-out infinite;
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .section-title {
        font-size: 2.5rem;
    }
    
    .section-subtitle {
        font-size: 1.25rem;
    }
    
    .section-container {
        padding: var(--spacing-lg) var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-cta {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: none;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1.125rem;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 0.625rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .floating {
        animation: none;
        transform: none !important;
    }
}

/* Scroll Indicators */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s ease-in-out infinite;
}

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

/* Loading States */
.loading {
    opacity: 0.5;
    pointer-events: none;
}

/* Focus States for Accessibility */
button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--bright-blue);
    outline-offset: 4px;
}