/* ============================================
   FUTURISTIC THEME - COMMON STYLES
   Modern Dark/Light Theme with Glassmorphism
============================================ */

:root {
    /* Default Dark Theme */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: rgba(20, 20, 30, 0.8);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.6);
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-pink: #ec4899;
    --accent-cyan: #06b6d4;
    --border-color: rgba(255, 255, 255, 0.08);
    --glow-color: rgba(99, 102, 241, 0.4);
    --orb-opacity: 1;
    --grid-opacity: 1;
    --card-hover-shadow: rgba(99, 102, 241, 0.15);
}

[data-theme="light"] {
    /* Light Theme */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.9);
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --accent-primary: #4f46e5;
    --accent-secondary: #7c3aed;
    --accent-pink: #db2777;
    --accent-cyan: #0891b2;
    --border-color: rgba(0, 0, 0, 0.08);
    --glow-color: rgba(79, 70, 229, 0.2);
    --orb-opacity: 0.5;
    --grid-opacity: 0.4;
    --card-hover-shadow: rgba(79, 70, 229, 0.1);
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, sans-serif;
    transition: background-color 0.3s ease, color 0.3s ease;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    top: 90px;
    right: 30px;
    z-index: 10000;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex !important;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px var(--glow-color);
    border-color: var(--accent-primary);
}

.icon-sun, .icon-moon {
    position: absolute;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
    display: block !important;
    top: 50%;
    left: 50%;
    margin-top: -12px;
    margin-left: -12px;
    width: 24px;
    height: 24px;
    line-height: 24px;
    text-align: center;
}

[data-theme="dark"] .icon-sun { opacity: 1; transform: rotate(0deg); visibility: visible; }
[data-theme="dark"] .icon-moon { opacity: 0; transform: rotate(90deg); visibility: hidden; }
[data-theme="light"] .icon-sun { opacity: 0; transform: rotate(-90deg); visibility: hidden; }
[data-theme="light"] .icon-moon { opacity: 1; transform: rotate(0deg); visibility: visible; }

/* Animated Background */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: float 20s ease-in-out infinite;
    opacity: var(--orb-opacity);
    transition: opacity 0.3s ease;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.3), transparent);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.2), transparent);
    bottom: -150px;
    left: -150px;
    animation-delay: -7s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.2), transparent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -50px) scale(1.1); }
    50% { transform: translate(-30px, 30px) scale(0.95); }
    75% { transform: translate(20px, 50px) scale(1.05); }
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: var(--grid-opacity);
}

[data-theme="light"] .grid-overlay {
    background-image: 
        linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.03) 1px, transparent 1px);
}

/* Common Components */
.page-container {
    position: relative;
    z-index: 1;
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.glass-card:hover {
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.gradient-text {
    background: linear-gradient(135deg, #6366f1, #ec4899, #06b6d4);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 5s ease infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 100% center; }
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
    line-height: 1.6;
}

/* Button Styles */
.btn-glow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 12px;
    color: white;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-glow:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px var(--glow-color);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-outline:hover {
    background: rgba(255,255,255,0.05);
    border-color: var(--accent-primary);
}