/* WeTheNorth Space Station - Enhanced Base Styles */

/* CSS Variables for Enhanced Cosmic Theme */
:root {
    /* Enhanced Cosmic Colors */
    --space-black: #0a0a0f;
    --space-dark: #1a1a2e;
    --space-darker: #0f0f1a;
    --space-blue: #00d4ff;
    --space-blue-dark: #0099cc;
    --space-purple: #8b5cf6;
    --space-purple-dark: #6d28d9;
    --space-green: #00ff88;
    --space-green-dark: #00cc6a;
    --space-silver: #c0c0c0;
    --space-orange: #ff6b35;
    --space-pink: #ff006e;
    --space-white: #ffffff;
    --space-light-blue: #e0f2fe;
    --space-cyan: #06b6d4;
    --space-violet: #7c3aed;
    --space-emerald: #10b981;
    --space-amber: #f59e0b;
    
    /* Enhanced Gradients */
    --cosmic-gradient: linear-gradient(135deg, var(--space-black) 0%, var(--space-darker) 25%, var(--space-dark) 50%, var(--space-purple-dark) 100%);
    --aurora-gradient: linear-gradient(90deg, var(--space-blue), var(--space-purple), var(--space-green), var(--space-pink), var(--space-cyan));
    --hologram-gradient: linear-gradient(45deg, transparent, var(--space-blue), transparent);
    --neon-gradient: linear-gradient(135deg, var(--space-cyan), var(--space-purple), var(--space-pink));
    --energy-gradient: radial-gradient(circle, var(--space-blue), var(--space-purple), transparent);
    --plasma-gradient: linear-gradient(45deg, var(--space-green), var(--space-blue), var(--space-purple), var(--space-pink));
    
    /* Typography */
    --font-primary: 'Orbitron', monospace;
    --font-secondary: 'Inter', sans-serif;
    --font-mono: 'Space Mono', monospace;
    
    /* Enhanced Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 5rem;
    --space-5xl: 6rem;
    
    /* Enhanced Shadows */
    --cosmic-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    --hologram-shadow: 0 0 30px rgba(139, 92, 246, 0.5);
    --glow-shadow: 0 0 40px rgba(0, 255, 136, 0.4);
    --neon-shadow: 0 0 50px rgba(6, 182, 212, 0.6);
    --deep-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
    --floating-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    
    /* Enhanced Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-cosmic: 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-bounce: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* Z-Index Scale */
    --z-background: -1;
    --z-content: 1;
    --z-nav: 1000;
    --z-modal: 2000;
    --z-tooltip: 3000;
    --z-cursor: 10000;
}

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

*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    font-size: 16px;
    line-height: 1.5;
}

body {
    font-family: var(--font-secondary);
    background: var(--space-black);
    color: var(--space-white);
    line-height: 1.6;
    overflow-x: hidden;
    cursor: none;
    font-feature-settings: 'kern' 1, 'liga' 1;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Enhanced Custom Scrollbar */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--space-black);
    border-radius: var(--radius-md);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--space-blue), var(--space-purple));
    border-radius: var(--radius-md);
    border: 2px solid var(--space-black);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--space-purple), var(--space-pink));
    box-shadow: 0 0 10px var(--space-purple);
}

/* Enhanced Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 900;
    letter-spacing: -0.04em;
}

h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
}

h3 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 700;
}

h4 {
    font-size: clamp(1.25rem, 3vw, 2rem);
    font-weight: 600;
}

h5 {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    font-weight: 600;
}

h6 {
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 600;
}

p {
    margin-bottom: var(--space-md);
    font-size: clamp(1rem, 2vw, 1.125rem);
    line-height: 1.7;
    color: var(--space-light-blue);
}

strong {
    font-weight: 600;
    color: var(--space-white);
}

/* Enhanced Space Background */
.space-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-background);
    background: var(--cosmic-gradient);
    overflow: hidden;
}

#starfield-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.8;
}

.cosmic-aurora {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--aurora-gradient);
    opacity: 0.15;
    animation: aurora-flow 25s ease-in-out infinite;
    filter: blur(100px);
}

@keyframes aurora-flow {
    0%, 100% { 
        transform: translateX(-50%) rotate(0deg) scale(1); 
        opacity: 0.15; 
    }
    25% { 
        transform: translateX(0%) rotate(45deg) scale(1.1); 
        opacity: 0.25; 
    }
    50% { 
        transform: translateX(50%) rotate(90deg) scale(0.9); 
        opacity: 0.2; 
    }
    75% { 
        transform: translateX(25%) rotate(135deg) scale(1.05); 
        opacity: 0.18; 
    }
}

.floating-planets {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.planet {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, var(--space-blue), var(--space-purple));
    animation: planet-float 35s linear infinite;
    filter: blur(1px);
    opacity: 0.6;
}

.planet-1 {
    width: 100px;
    height: 100px;
    top: 15%;
    left: 8%;
    animation-duration: 45s;
    background: radial-gradient(circle at 30% 30%, var(--space-cyan), var(--space-blue));
}

.planet-2 {
    width: 80px;
    height: 80px;
    top: 65%;
    right: 12%;
    animation-duration: 40s;
    animation-direction: reverse;
    background: radial-gradient(circle at 30% 30%, var(--space-purple), var(--space-pink));
}

.planet-3 {
    width: 120px;
    height: 120px;
    top: 85%;
    left: 75%;
    animation-duration: 55s;
    background: radial-gradient(circle at 30% 30%, var(--space-green), var(--space-emerald));
}

@keyframes planet-float {
    0% { 
        transform: translateY(0px) rotate(0deg) scale(1); 
        opacity: 0.6; 
    }
    25% { 
        transform: translateY(-30px) rotate(90deg) scale(1.1); 
        opacity: 0.8; 
    }
    50% { 
        transform: translateY(-15px) rotate(180deg) scale(0.9); 
        opacity: 0.7; 
    }
    75% { 
        transform: translateY(-25px) rotate(270deg) scale(1.05); 
        opacity: 0.75; 
    }
    100% { 
        transform: translateY(0px) rotate(360deg) scale(1); 
        opacity: 0.6; 
    }
}

.cosmic-dust {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, var(--space-silver), transparent),
        radial-gradient(2px 2px at 40px 70px, var(--space-blue), transparent),
        radial-gradient(1px 1px at 90px 40px, var(--space-purple), transparent),
        radial-gradient(1px 1px at 130px 80px, var(--space-green), transparent),
        radial-gradient(1px 1px at 160px 120px, var(--space-cyan), transparent);
    background-repeat: repeat;
    background-size: 250px 250px;
    animation: dust-drift 80s linear infinite;
    opacity: 0.4;
}

@keyframes dust-drift {
    0% { transform: translateX(0px) translateY(0px); }
    100% { transform: translateX(-250px) translateY(-250px); }
}

/* Enhanced Navigation */
.space-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-nav);
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(30px);
    border-bottom: 1px solid rgba(0, 212, 255, 0.3);
    padding: var(--space-md) 0;
    transition: all var(--transition-normal);
    box-shadow: var(--deep-shadow);
}

.space-nav.scrolled {
    background: rgba(10, 10, 15, 0.98);
    padding: var(--space-sm) 0;
    border-bottom-color: rgba(0, 212, 255, 0.5);
}

.nav-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo .logo-hologram {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: relative;
}

.logo-text {
    font-family: var(--font-primary);
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--space-blue);
    text-shadow: 0 0 15px var(--space-blue);
    animation: hologram-flicker 4s ease-in-out infinite;
    letter-spacing: -0.02em;
}

.logo-subtitle {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--space-silver);
    letter-spacing: 3px;
    margin-top: -2px;
    opacity: 0.8;
}

@keyframes hologram-flicker {
    0%, 100% { 
        opacity: 1; 
        text-shadow: 0 0 15px var(--space-blue); 
        transform: translateX(0); 
    }
    2% { 
        opacity: 0.9; 
        text-shadow: 2px 0 0 var(--space-pink), -2px 0 0 var(--space-green); 
        transform: translateX(1px); 
    }
    4% { 
        opacity: 1; 
        text-shadow: 0 0 15px var(--space-blue); 
        transform: translateX(0); 
    }
    50% { 
        opacity: 1; 
        text-shadow: 0 0 25px var(--space-blue), 0 0 35px var(--space-purple); 
        transform: translateX(0); 
    }
}

.nav-constellation {
    display: flex;
    gap: var(--space-2xl);
    align-items: center;
}

.nav-star {
    position: relative;
    width: 14px;
    height: 14px;
    background: var(--space-silver);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-cosmic);
    box-shadow: 0 0 15px var(--space-silver);
    border: 2px solid transparent;
}

.nav-star:hover {
    background: var(--space-blue);
    box-shadow: 0 0 25px var(--space-blue), 0 0 40px var(--space-blue);
    transform: scale(1.6);
    border-color: rgba(0, 212, 255, 0.3);
}

.nav-star.active {
    background: var(--space-green);
    box-shadow: 0 0 30px var(--space-green), 0 0 50px var(--space-green);
    transform: scale(1.4);
    border-color: rgba(0, 255, 136, 0.3);
}

.star-label {
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.85rem;
    color: var(--space-light-blue);
    white-space: nowrap;
    opacity: 0;
    transition: all var(--transition-normal);
    pointer-events: none;
    font-weight: 500;
    background: rgba(10, 10, 15, 0.9);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.nav-star:hover .star-label {
    opacity: 1;
    bottom: -40px;
}

/* Enhanced Cosmic Buttons */
.cosmic-button {
    position: relative;
    padding: var(--space-md) var(--space-xl);
    background: transparent;
    border: 2px solid var(--space-blue);
    color: var(--space-blue);
    font-family: var(--font-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    cursor: pointer;
    overflow: hidden;
    transition: all var(--transition-cosmic);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
    box-shadow: var(--cosmic-shadow);
}

.cosmic-button:hover {
    color: var(--space-black);
    border-color: var(--space-green);
    box-shadow: var(--glow-shadow), var(--floating-shadow);
    transform: translateY(-2px);
}

.cosmic-button.primary {
    border-color: var(--space-green);
    color: var(--space-green);
    box-shadow: var(--glow-shadow);
}

.cosmic-button.primary:hover {
    border-color: var(--space-blue);
    color: var(--space-black);
    box-shadow: var(--cosmic-shadow), var(--floating-shadow);
}

.cosmic-button.secondary {
    border-color: var(--space-purple);
    color: var(--space-purple);
    box-shadow: var(--hologram-shadow);
}

.cosmic-button.secondary:hover {
    border-color: var(--space-pink);
    color: var(--space-black);
    box-shadow: 0 0 40px rgba(255, 0, 110, 0.4), var(--floating-shadow);
}

.button-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: all var(--transition-slow);
    z-index: 1;
}

.cosmic-button:hover .button-glow {
    left: 100%;
}

.button-text {
    position: relative;
    z-index: 2;
}

.button-particles {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, var(--space-green), transparent);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all var(--transition-slow);
    z-index: 1;
}

.cosmic-button:hover .button-particles {
    width: 200%;
    height: 200%;
    opacity: 0.2;
}

/* Enhanced Main Layout */
.space-main {
    position: relative;
    z-index: var(--z-content);
    margin-top: 90px;
}

.space-section {
    min-height: 100vh;
    padding: var(--space-4xl) 0;
    position: relative;
    overflow: hidden;
}

.section-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-4xl);
    position: relative;
}

.section-title {
    margin-bottom: var(--space-lg);
    position: relative;
}

.title-glow {
    background: var(--aurora-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: title-glow 4s ease-in-out infinite;
    position: relative;
}

.title-glow::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--aurora-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: blur(10px);
    opacity: 0.5;
    z-index: -1;
}

@keyframes title-glow {
    0%, 100% { 
        filter: brightness(1) saturate(1); 
        transform: scale(1); 
    }
    50% { 
        filter: brightness(1.3) saturate(1.2); 
        transform: scale(1.02); 
    }
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--space-light-blue);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
    opacity: 0.9;
}

/* Enhanced Loading Screen */
.space-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--space-black);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    transition: all var(--transition-slow);
}

.loader-content {
    text-align: center;
    max-width: 400px;
}

.space-logo {
    margin-bottom: var(--space-2xl);
}

.logo-orbit {
    position: relative;
    width: 150px;
    height: 150px;
    margin: 0 auto var(--space-xl);
}

.planet-core {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    background: radial-gradient(circle, var(--space-blue), var(--space-purple));
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 30px var(--space-blue);
    animation: core-pulse 2.5s ease-in-out infinite;
}

@keyframes core-pulse {
    0%, 100% { 
        transform: translate(-50%, -50%) scale(1); 
        box-shadow: 0 0 30px var(--space-blue); 
    }
    50% { 
        transform: translate(-50%, -50%) scale(1.3); 
        box-shadow: 0 0 50px var(--space-blue), 0 0 70px var(--space-purple); 
    }
}

.orbit-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    border: 2px solid var(--space-silver);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.7;
    animation: orbit-spin 8s linear infinite;
}

.orbit-ring:nth-child(2) {
    width: 80px;
    height: 80px;
    border-color: var(--space-blue);
    animation-duration: 6s;
}

.orbit-ring:nth-child(3) {
    width: 110px;
    height: 110px;
    border-color: var(--space-purple);
    animation-duration: 10s;
    animation-direction: reverse;
}

.orbit-ring:nth-child(4) {
    width: 140px;
    height: 140px;
    border-color: var(--space-green);
    animation-duration: 12s;
}

@keyframes orbit-spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.loading-status {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--space-light-blue);
    margin-bottom: var(--space-lg);
    min-height: 1.5rem;
}

.progress-container {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--space-lg);
}

.progress-bar {
    height: 100%;
    background: var(--neon-gradient);
    border-radius: var(--radius-full);
    width: 0%;
    transition: width var(--transition-normal);
    box-shadow: 0 0 20px var(--space-blue);
}

/* Cosmic Cursor */
.cosmic-cursor {
    position: fixed;
    width: 20px;
    height: 20px;
    background: radial-gradient(circle, var(--space-blue), transparent);
    border-radius: 50%;
    pointer-events: none;
    z-index: var(--z-cursor);
    transition: all var(--transition-fast);
    mix-blend-mode: difference;
}

.cosmic-cursor.cursor-hover {
    width: 40px;
    height: 40px;
    background: radial-gradient(circle, var(--space-green), transparent);
    box-shadow: 0 0 30px var(--space-green);
}

/* Utility Classes */
.text-gradient {
    background: var(--aurora-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.glass-effect {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.neon-glow {
    box-shadow: 0 0 20px currentColor;
}

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

@keyframes floating {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.pulse-glow {
    animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px currentColor; }
    50% { box-shadow: 0 0 40px currentColor, 0 0 60px currentColor; }
}

/* Responsive Enhancements */
@media (max-width: 768px) {
    :root {
        --space-xs: 0.2rem;
        --space-sm: 0.4rem;
        --space-md: 0.8rem;
        --space-lg: 1.2rem;
        --space-xl: 1.6rem;
        --space-2xl: 2.4rem;
        --space-3xl: 3.2rem;
        --space-4xl: 4rem;
        --space-5xl: 4.8rem;
    }
    
    .space-main {
        margin-top: 70px;
    }
    
    .space-section {
        padding: var(--space-3xl) 0;
    }
    
    .cosmic-button {
        padding: var(--space-sm) var(--space-lg);
        font-size: 0.8rem;
    }
}