/**
 * Huzayma Portfolio - Ana Stil Dosyası
 * Digital Architect Theme - Futuristic Neon Design
 */

/* =====================================================
   CSS Variables / Theme Tokens
   ===================================================== */

:root {
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-card: rgba(255, 255, 255, 0.7);
    
    /* Text Colors */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    /* Border Colors */
    --border-color: rgba(0, 0, 0, 0.1);
    --border-light: rgba(0, 0, 0, 0.05);
    
    /* Neon Accent Colors */
    --neon-cyan: #00f0ff;
    --neon-green: #00ff88;
    --neon-purple: #8b5cf6;
    --neon-pink: #ff006e;
    --neon-yellow: #ffbe0b;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 30px rgba(0, 240, 255, 0.2);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a24;
    --bg-card: rgba(18, 18, 26, 0.7);
    
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --text-muted: #64748b;
    
    --border-color: rgba(255, 255, 255, 0.1);
    --border-light: rgba(255, 255, 255, 0.05);
    
    --shadow-glow: 0 0 40px rgba(0, 240, 255, 0.3);
}

/* =====================================================
   Base Styles
   ===================================================== */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Selection */
::selection {
    background: var(--neon-cyan);
    color: #000;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--neon-cyan), var(--neon-green));
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--neon-cyan);
}

/* =====================================================
   Typography
   ===================================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

.font-mono {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-green), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradient 8s ease infinite;
}

/* =====================================================
   Navigation
   ===================================================== */

.nav-link {
    position: relative;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 0;
    transition: color var(--transition-base);
}

.nav-link:hover {
    color: var(--neon-cyan);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-green));
    transition: width var(--transition-base);
}

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

/* =====================================================
   Cards & Glassmorphism
   ===================================================== */

.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-light);
    border-radius: 1rem;
    transition: all var(--transition-base);
}

.glass-card:hover {
    border-color: rgba(0, 240, 255, 0.3);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

/* App Card Specific */
.app-card {
    position: relative;
    overflow: hidden;
}

.app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-green), var(--neon-purple));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.app-card:hover::before {
    opacity: 1;
}

/* =====================================================
   Buttons
   ===================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-green));
    color: #000;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 240, 255, 0.4);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
}

/* Glow Effect on Hover */
.btn-glow {
    position: relative;
    overflow: hidden;
}

.btn-glow::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.3) 0%, transparent 70%);
    transform: translate(-50%, -50%) scale(0);
    transition: transform 0.5s ease;
}

.btn-glow:hover::before {
    transform: translate(-50%, -50%) scale(1);
}

/* =====================================================
   Form Elements
   ===================================================== */

input, textarea, select {
    font-family: inherit;
    font-size: 1rem;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--neon-cyan) !important;
    box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.1);
}

/* =====================================================
   Animations
   ===================================================== */

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

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

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 240, 255, 0.3); }
    50% { box-shadow: 0 0 40px rgba(0, 240, 255, 0.6); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

/* Animation Classes */
.animate-fade-in { animation: fadeIn 0.6s ease forwards; }
.animate-slide-up { animation: slideUp 0.6s ease forwards; }
.animate-slide-in { animation: slideIn 0.6s ease forwards; }
.animate-float { animation: float 6s ease-in-out infinite; }
.animate-pulse-glow { animation: pulse-glow 2s ease-in-out infinite; }

/* Animation Delays */
.animation-delay-100 { animation-delay: 100ms; }
.animation-delay-200 { animation-delay: 200ms; }
.animation-delay-300 { animation-delay: 300ms; }
.animation-delay-500 { animation-delay: 500ms; }
.animation-delay-1000 { animation-delay: 1000ms; }
.animation-delay-2000 { animation-delay: 2000ms; }

/* =====================================================
   Utilities
   ===================================================== */

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Neon Borders */
.neon-border {
    border: 1px solid transparent;
    background: linear-gradient(var(--bg-card), var(--bg-card)) padding-box,
                linear-gradient(135deg, var(--neon-cyan), var(--neon-green), var(--neon-purple)) border-box;
}

/* =====================================================
   Responsive
   ===================================================== */

@media (max-width: 768px) {
    html {
        scroll-padding-top: 80px;
    }
    
    .nav-link::after {
        display: none;
    }
}

/* =====================================================
   Print Styles
   ===================================================== */

@media print {
    .glass-card {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: #fff;
        border: 1px solid #ddd;
    }
    
    .animate-float,
    .animate-pulse-glow {
        animation: none;
    }
}