/* Dark Theme Portfolio - Fernando A. McKenzie */

:root {
    /* Dark Theme Color Palette */
    --bg-primary: #000000;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --bg-card: #1f1f1f;
    --bg-nav: rgba(17, 17, 17, 0.95);
    
    /* Purple Accents */
    --purple-primary: #8b5cf6;
    --purple-secondary: #a855f7;
    --purple-dark: #7c3aed;
    --purple-light: #c4b5fd;
    
    /* Orange Accents */
    --orange-primary: #f97316;
    --orange-secondary: #ea580c;
    --orange-light: #fb923c;
    
    /* Green Accents */
    --green-primary: #10b981;
    --green-secondary: #059669;
    --green-light: #34d399;
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;
    --text-accent: var(--purple-light);
    
    /* Border Colors */
    --border-primary: #374151;
    --border-secondary: #4b5563;
}

* {
    scroll-behavior: smooth;
}

/* Optimize scroll performance */
html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    * {
        scroll-behavior: auto !important;
    }
}

/* Dark Theme Body */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

/* Profile Image */
.profile-image-bg {
    background-image: url('assets/images/profl.PNG');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border: 3px solid var(--purple-primary);
}

/* Custom Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px var(--purple-primary);
    }
    50% {
        box-shadow: 0 0 30px var(--purple-secondary), 0 0 40px var(--purple-primary);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

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

.animate-pulse-hover:hover {
    animation: pulse 0.3s ease-in-out;
}

/* Navigation Enhancements - Dark Theme */
nav {
    transition: all 0.3s ease;
    background-color: var(--bg-nav);
    backdrop-filter: blur(10px);
}

nav.scrolled {
    background: var(--bg-nav);
    backdrop-filter: blur(15px);
    box-shadow: 0 4px 6px -1px rgba(139, 92, 246, 0.3);
    border-bottom: 1px solid var(--border-primary);
}

/* Hero Section - Dark Theme with Purple/Orange Gradient */
#hero {
    background: linear-gradient(135deg, 
        var(--bg-primary) 0%, 
        #1a0b2e 25%, 
        #2d1b69 50%, 
        #1a0b2e 75%, 
        var(--bg-primary) 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    position: relative;
}

#hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 70%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 30%, rgba(249, 115, 22, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Custom Button Styles - Dark Theme */
.btn-primary {
    background: linear-gradient(135deg, var(--green-primary), var(--green-secondary));
    box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.4);
    transition: all 0.3s ease;
    border: 1px solid var(--green-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(16, 185, 129, 0.6);
    animation: glow 2s infinite;
}

.btn-secondary {
    background: linear-gradient(135deg, var(--orange-primary), var(--orange-secondary));
    box-shadow: 0 4px 14px 0 rgba(249, 115, 22, 0.4);
    transition: all 0.3s ease;
    border: 1px solid var(--orange-primary);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(249, 115, 22, 0.6);
}

/* Card Hover Effects - Dark Theme */
.card-hover {
    transition: all 0.3s ease;
    background-color: var(--bg-card);
    border: 1px solid var(--border-primary);
}

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 25px -5px rgba(139, 92, 246, 0.2), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    border-color: var(--purple-primary);
}

/* Progress Bar Animations - Dark Theme */
.progress-bar {
    transition: width 1s ease-in-out;
    background: linear-gradient(90deg, var(--purple-primary), var(--orange-primary));
}

/* Section Spacing */
section {
    scroll-margin-top: 80px;
    background-color: var(--bg-primary);
}

/* Mobile Menu - Dark Theme */
.mobile-menu {
    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;
    background-color: var(--bg-secondary);
    border-left: 2px solid var(--purple-primary);
}

.mobile-menu.active {
    transform: translateX(0);
}

/* Custom Scrollbar - Dark Theme */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--purple-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--purple-secondary);
}

/* Form Enhancements - Dark Theme */
.form-input {
    transition: all 0.3s ease;
    background-color: var(--bg-card);
    border: 1px solid var(--border-primary);
    color: var(--text-primary);
}

.form-input:focus {
    transform: scale(1.02);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.3);
    border-color: var(--purple-primary);
}

.form-input::placeholder {
    color: var(--text-muted);
}

/* Dark Theme Text Overrides */
.text-gray-900 { color: var(--text-primary) !important; }
.text-gray-800 { color: var(--text-secondary) !important; }
.text-gray-700 { color: var(--text-secondary) !important; }
.text-gray-600 { color: var(--text-muted) !important; }
.text-gray-500 { color: var(--text-muted) !important; }

/* Dark Theme Background Overrides */
.bg-white { background-color: var(--bg-card) !important; }
.bg-gray-50 { background-color: var(--bg-secondary) !important; }
.bg-gray-100 { background-color: var(--bg-tertiary) !important; }

/* Navigation Link Styles */
nav a {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

nav a:hover {
    color: var(--purple-light);
}

nav a.active {
    color: var(--orange-primary);
    font-weight: 600;
}

/* Skill Tags - Dark Theme Colors */
.bg-blue-100 { background-color: rgba(139, 92, 246, 0.2) !important; }
.text-blue-800 { color: var(--purple-light) !important; }

.bg-green-100 { background-color: rgba(16, 185, 129, 0.2) !important; }
.text-green-800 { color: var(--green-light) !important; }

.bg-orange-100 { background-color: rgba(249, 115, 22, 0.2) !important; }
.text-orange-800 { color: var(--orange-light) !important; }

.bg-purple-100 { background-color: rgba(139, 92, 246, 0.2) !important; }
.text-purple-800 { color: var(--purple-light) !important; }

.bg-red-100 { background-color: rgba(239, 68, 68, 0.2) !important; }
.text-red-800 { color: #fca5a5 !important; }

.bg-yellow-100 { background-color: rgba(245, 158, 11, 0.2) !important; }
.text-yellow-800 { color: #fcd34d !important; }

.bg-indigo-100 { background-color: rgba(99, 102, 241, 0.2) !important; }
.text-indigo-800 { color: #c7d2fe !important; }

.bg-pink-100 { background-color: rgba(236, 72, 153, 0.2) !important; }
.text-pink-800 { color: #f9a8d4 !important; }

.bg-teal-100 { background-color: rgba(20, 184, 166, 0.2) !important; }
.text-teal-800 { color: #5eead4 !important; }

.bg-gray-100 { background-color: rgba(107, 114, 128, 0.2) !important; }
.text-gray-800 { color: var(--text-secondary) !important; }

/* Border Colors - Dark Theme */
.border-gray-300 { border-color: var(--border-primary) !important; }
.border-gray-200 { border-color: var(--border-secondary) !important; }

/* Special Effects */
.glow-purple {
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.5);
}

.glow-orange {
    box-shadow: 0 0 20px rgba(249, 115, 22, 0.5);
}

.glow-green {
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.5);
}

/* Responsive Design Enhancements */
@media (max-width: 768px) {
    .hero-text {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .hero-text {
        font-size: 2rem;
    }
}

/* Accessibility Enhancements - Dark Theme */
.focus-visible:focus {
    outline: 2px solid var(--purple-primary);
    outline-offset: 2px;
}

/* Custom Utilities - Dark Theme */
.text-gradient {
    background: linear-gradient(135deg, var(--purple-primary), var(--orange-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-green {
    background: linear-gradient(135deg, var(--green-primary), var(--green-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.font-inter {
    font-family: 'Inter', sans-serif;
}

/* Footer Styles */
footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-primary);
}