/**
 * AVANT-GARDE CV - GLASSMORPHISM EDITION
 * Premium animasyonlar ve efektlerle zenginleştirilmiş tasarım
 * Intentional Minimalism | Anti-Generic
 */

/* ========== CSS DEĞİŞKENLERİ ========== */
:root {
    /* Arka planlar */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-gradient: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 50%, #0f0f1a 100%);
    
    /* Glass (cam) efekti */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-bg-hover: rgba(255, 255, 255, 0.06);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-border-hover: rgba(255, 255, 255, 0.15);
    --glass-blur: blur(12px);
    
    /* Accent renkler */
    --accent-purple: #7C4AFF;
    --accent-purple-glow: rgba(124, 74, 255, 0.15);
    --accent-cyan: #00D9FF;
    --accent-cyan-glow: rgba(0, 217, 255, 0.15);
    --accent-pink: #FF006E;
    --accent-pink-glow: rgba(255, 0, 110, 0.1);
    --accent-green: #00FF88;
    --accent-orange: #FF8C00;
    
    /* Gradient vurgular */
    --gradient-purple-cyan: linear-gradient(135deg, #7C4AFF 0%, #00D9FF 100%);
    --gradient-purple-pink: linear-gradient(135deg, #7C4AFF 0%, #FF006E 100%);
    --gradient-cyan-green: linear-gradient(135deg, #00D9FF 0%, #00FF88 100%);
    
    /* Metin renkleri */
    --text-primary: #FFFFFF;
    --text-secondary: #A0A0B0;
    --text-muted: #606070;
    --text-accent: #7C4AFF;
    
    /* Durum renkleri */
    --success: #00FF88;
    --success-bg: rgba(0, 255, 136, 0.1);
    --warning: #FFB800;
    --warning-bg: rgba(255, 184, 0, 0.1);
    --danger: #FF4757;
    --danger-bg: rgba(255, 71, 87, 0.1);
    --info: #00D9FF;
    --info-bg: rgba(0, 217, 255, 0.1);
    
    /* Boşluk */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Gölgeler */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow-purple: 0 0 30px rgba(124, 74, 255, 0.3);
    --shadow-glow-cyan: 0 0 30px rgba(0, 217, 255, 0.3);
    
    /* Geçişler */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Tipografi */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    
    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 300;
    --z-tooltip: 400;
    --z-toast: 500;
    --z-cursor: 9999;
}

/* ========== LIGHT THEME ========== */
[data-theme="light"] {
    --bg-primary: #f0f0f5;
    --bg-secondary: #e8e8f0;
    --bg-gradient: linear-gradient(135deg, #f0f0f5 0%, #e0e0ea 50%, #f5f5fa 100%);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-bg-hover: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(0, 0, 0, 0.08);
    --glass-border-hover: rgba(124, 74, 255, 0.3);
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a5a;
    --text-muted: #8a8a9a;
    --accent-purple-glow: rgba(124, 74, 255, 0.25);
    --accent-cyan-glow: rgba(0, 217, 255, 0.25);
    --accent-pink-glow: rgba(255, 0, 110, 0.2);
}

/* ========== RESET & BASE ========== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-gradient);
    background-attachment: fixed;
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* ========== FLOATING ORBS - Performans Optimize ========== */
.floating-orbs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -2;
    overflow: hidden;
    contain: strict;
}

.orb {
    position: absolute;
    border-radius: 50%;
    opacity: 0.35;
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Sadece 2 orb - blur yerine gradient kullanarak performans artışı */
.orb-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(124, 74, 255, 0.25) 0%, rgba(124, 74, 255, 0) 70%);
    top: 10%;
    left: 5%;
    animation: floatOrbSimple 40s ease-in-out infinite;
}

.orb-2 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(0, 217, 255, 0.2) 0%, rgba(0, 217, 255, 0) 70%);
    bottom: 20%;
    right: 10%;
    animation: floatOrbSimple 35s ease-in-out infinite reverse;
}

/* orb-3 ve orb-4 devre dışı */
.orb-3,
.orb-4 {
    display: none;
}

/* Performans optimize edilmiş basit animasyon */
@keyframes floatOrbSimple {
    0%, 100% {
        transform: translateZ(0) translate(0, 0);
    }
    50% {
        transform: translateZ(0) translate(30px, -20px);
    }
}

/* ========== AURORA - Basitleştirilmiş & Performans Optimize ========== */
.aurora {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    opacity: 0.25;
    background: 
        radial-gradient(ellipse 80% 50% at 20% 20%, rgba(124, 74, 255, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(0, 217, 255, 0.12) 0%, transparent 50%);
    animation: auroraPulse 15s ease-in-out infinite;
    will-change: opacity;
    contain: strict;
}

/* Pseudo elementler devre dışı - performans için */
.aurora::before,
.aurora::after {
    display: none;
}

@keyframes auroraPulse {
    0%, 100% {
        opacity: 0.2;
    }
    50% {
        opacity: 0.35;
    }
}

/* ========== NOISE TEXTURE OVERLAY ========== */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* ========== CURSOR SPOTLIGHT - DISABLED ========== */
.cursor-spotlight {
    display: none !important;
}

/* ========== CUSTOM CURSOR - DISABLED ========== */
.custom-cursor {
    display: none !important;
}

/* ========== SKIP LINK ========== */
.skip-link {
    position: absolute;
    top: -100px;
    left: var(--spacing-md);
    background: var(--gradient-purple-cyan);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 500;
    z-index: var(--z-modal);
    transition: top var(--transition-normal);
}

.skip-link:focus {
    top: var(--spacing-md);
}

/* ========== NAVIGATION CONTROLS ========== */
.nav-controls {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-sm);
    z-index: var(--z-sticky);
}

.control-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

/* Gradient Border Animation */
.control-btn::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-purple-cyan);
    border-radius: var(--radius-full);
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.control-btn::after {
    content: '';
    position: absolute;
    top: 1px;
    left: 1px;
    right: 1px;
    bottom: 1px;
    background: var(--bg-primary);
    border-radius: var(--radius-full);
    z-index: -1;
    transition: background var(--transition-normal);
}

.control-btn:hover {
    color: var(--accent-purple);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-purple);
}

.control-btn:hover::before {
    opacity: 1;
    animation: rotateGradient 2s linear infinite;
}

@keyframes rotateGradient {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Ripple Effect */
.control-btn .ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(124, 74, 255, 0.4);
    transform: scale(0);
    animation: rippleEffect 0.6s ease-out;
    pointer-events: none;
}

@keyframes rippleEffect {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Glow Pulse */
.control-btn:hover {
    animation: glowPulse 2s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% {
        box-shadow: 0 0 20px rgba(124, 74, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(124, 74, 255, 0.5);
    }
}

.lang-code {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

/* ========== STICKY NAV ========== */
.sticky-nav {
    position: fixed;
    top: 50%;
    left: var(--spacing-lg);
    transform: translateY(-50%);
    z-index: var(--z-sticky);
    display: none;
}

.sticky-nav.visible {
    display: block;
    animation: slideIn 0.5s var(--transition-bounce);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-50%) translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(-50%) translateX(0);
    }
}

.sticky-nav-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

/* Shimmer Effect on container */
.sticky-nav-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    transition: left 0.5s;
}

.sticky-nav-container:hover::before {
    left: 100%;
}

.sticky-nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    font-size: 0.875rem;
    position: relative;
    overflow: hidden;
}

.sticky-nav-link i {
    width: 20px;
    text-align: center;
    font-size: 0.875rem;
    transition: all var(--transition-normal);
}

.sticky-nav-link span {
    opacity: 0;
    max-width: 0;
    overflow: hidden;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.sticky-nav:hover .sticky-nav-link span {
    opacity: 1;
    max-width: 150px;
    margin-left: var(--spacing-sm);
}

.sticky-nav-link:hover,
.sticky-nav-link.active {
    background: var(--glass-bg-hover);
    color: var(--accent-purple);
}

.sticky-nav-link:hover i,
.sticky-nav-link.active i {
    transform: scale(1.3) rotate(5deg);
    color: var(--accent-cyan);
}

/* Active indicator */
.sticky-nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: var(--gradient-purple-cyan);
    border-radius: var(--radius-full);
}

/* ========== BACK TO TOP ========== */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-purple-cyan);
    border: none;
    border-radius: var(--radius-full);
    color: white;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.8);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-glow-purple);
    z-index: var(--z-sticky);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.back-to-top:hover {
    transform: translateY(-4px) scale(1.1);
    box-shadow: 0 0 50px rgba(124, 74, 255, 0.6);
}

.back-to-top i {
    transition: transform var(--transition-normal);
}

.back-to-top:hover i {
    animation: bounceUp 0.5s ease infinite;
}

@keyframes bounceUp {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

/* ========== SCROLL PROGRESS ========== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--gradient-purple-cyan);
    z-index: var(--z-modal);
    box-shadow: 0 0 10px var(--accent-purple-glow);
    transition: width 0.1s linear;
}

.scroll-progress::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    width: 100px;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5));
    animation: shimmerProgress 1.5s ease-in-out infinite;
}

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

/* ========== TOAST NOTIFICATIONS ========== */
.toast-container {
    position: fixed;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    pointer-events: none;
}

.toast {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-xl);
    color: var(--text-primary);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    pointer-events: auto;
    transform: translateY(100px);
    opacity: 0;
    animation: toastIn 0.5s var(--transition-bounce) forwards;
}

.toast.success {
    border-color: var(--success);
    box-shadow: 0 0 20px var(--success-bg);
}

.toast.success i {
    color: var(--success);
}

.toast.hiding {
    animation: toastOut 0.3s ease-out forwards;
}

@keyframes toastIn {
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes toastOut {
    to {
        transform: translateY(-20px);
        opacity: 0;
    }
}

/* ========== MAIN CONTAINER ========== */
.main {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-4xl) var(--spacing-xl);
    position: relative;
    z-index: 1;
}

/* ========== HERO SECTION ========== */
.hero {
    display: grid;
    grid-template-columns: 140px 1fr 110px;
    gap: var(--spacing-2xl);
    align-items: start;
    margin-bottom: var(--spacing-4xl);
    padding: var(--spacing-2xl);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-slow);
    transform-style: preserve-3d;
    perspective: 1000px;
}

/* Gradient Border Animation */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-purple), var(--accent-cyan), var(--accent-pink), var(--accent-purple));
    background-size: 300% 100%;
    animation: gradientFlow 3s linear infinite;
}

@keyframes gradientFlow {
    0% {
        background-position: 0% 50%;
    }
    100% {
        background-position: 300% 50%;
    }
}

.hero::after {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--accent-purple-glow) 0%, transparent 70%);
    opacity: 0.3;
    pointer-events: none;
    animation: pulseGlow 4s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.5;
    }
}

.hero:hover {
    border-color: var(--glass-border-hover);
    box-shadow: var(--shadow-lg), var(--shadow-glow-purple);
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.hero-image {
    width: 140px;
    height: 180px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    border: 2px solid var(--glass-border);
    transition: all var(--transition-normal);
    filter: grayscale(20%);
}

.hero:hover .hero-image {
    border-color: var(--accent-purple);
    box-shadow: var(--shadow-glow-purple);
    filter: grayscale(0%);
    transform: scale(1.02);
}

.hero-accent {
    position: absolute;
    bottom: -10px;
    left: -10px;
    width: 60px;
    height: 60px;
    background: var(--gradient-purple-cyan);
    border-radius: var(--radius-md);
    opacity: 0.3;
    z-index: -1;
    animation: floatAccent 6s ease-in-out infinite;
}

@keyframes floatAccent {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.3;
    }
    50% {
        transform: translateY(-15px) rotate(10deg);
        opacity: 0.5;
    }
}

/* Hero Content */
.hero-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding-top: var(--spacing-sm);
}

/* Hero Name */
.hero-name {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.1;
    background: linear-gradient(90deg, var(--accent-purple), var(--accent-cyan), var(--accent-purple));
    background-size: 200% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientText 4s ease infinite;
    position: relative;
    opacity: 1 !important;
}

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

.hero-title {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
    letter-spacing: 0.02em;
    opacity: 0;
    animation: fadeSlideUp 0.8s ease-out 0.3s forwards;
}

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    opacity: 0;
    animation: fadeSlideUp 0.8s ease-out 0.5s forwards;
}

.hero-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Magnetic effect area */
.hero-link.magnetic {
    transition: transform 0.2s ease-out;
}

.hero-link::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: var(--gradient-purple-cyan);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s;
    z-index: -1;
}

.hero-link:hover::before {
    width: 200%;
    height: 200%;
}

.hero-link:hover {
    border-color: transparent;
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-purple);
}

.hero-link i {
    transition: transform var(--transition-normal);
    position: relative;
    z-index: 1;
    font-size: 1rem;
}

.hero-link span {
    position: relative;
    z-index: 1;
}

.hero-link:hover i {
    transform: scale(1.1);
}

/* Hero QR */
.hero-qr {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    opacity: 0;
    animation: fadeSlideUp 0.8s ease-out 0.7s forwards;
    min-width: 100px;
}

.hero-qr:hover {
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-glow-cyan);
    transform: scale(1.05);
}

.qr-image {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-sm);
    background: white;
    padding: 3px;
    transition: transform var(--transition-normal);
}

.hero-qr:hover .qr-image {
    transform: rotate(3deg);
}

.qr-label {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--text-muted);
    letter-spacing: 0.02em;
    text-align: center;
    word-break: break-all;
    max-width: 90px;
}

/* ========== SECTIONS ========== */
.section {
    margin-bottom: var(--spacing-4xl);
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.section.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    position: relative;
}

.section-number {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--accent-purple);
    font-weight: 500;
    opacity: 0.8;
    text-shadow: 0 0 20px var(--accent-purple-glow);
    animation: numberPulse 2s ease-in-out infinite;
}

@keyframes numberPulse {
    0%, 100% {
        opacity: 0.8;
        text-shadow: 0 0 20px var(--accent-purple-glow);
    }
    50% {
        opacity: 1;
        text-shadow: 0 0 30px var(--accent-purple-glow), 0 0 40px var(--accent-cyan-glow);
    }
}

.section-label {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    background: var(--gradient-purple-cyan);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--glass-border), transparent);
    margin-left: var(--spacing-lg);
    animation: lineExpand 1s ease-out 0.5s both;
}

@keyframes lineExpand {
    from {
        transform: scaleX(0);
        transform-origin: left;
    }
    to {
        transform: scaleX(1);
    }
}

/* ========== CARD BASE STYLES ========== */
.education-card,
.experience-card,
.certification-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
    contain: layout style;
    will-change: transform;
}

/* Shimmer Effect - Devre dışı (performans için) */
/* Hover efekti border color değişimi ile sağlanıyor */

/* Staggered Animation */
.education-card,
.experience-card,
.certification-card {
    opacity: 0;
    transform: translateY(30px);
}

.section.visible .education-card,
.section.visible .experience-card,
.section.visible .certification-card {
    animation: staggerReveal 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.section.visible .education-card:nth-child(1),
.section.visible .experience-card:nth-child(1),
.section.visible .certification-card:nth-child(1) { animation-delay: 0.1s; }

.section.visible .education-card:nth-child(2),
.section.visible .experience-card:nth-child(2),
.section.visible .certification-card:nth-child(2) { animation-delay: 0.2s; }

.section.visible .education-card:nth-child(3),
.section.visible .certification-card:nth-child(3) { animation-delay: 0.3s; }

.section.visible .certification-card:nth-child(4) { animation-delay: 0.4s; }
.section.visible .certification-card:nth-child(5) { animation-delay: 0.5s; }
.section.visible .certification-card:nth-child(6) { animation-delay: 0.6s; }
.section.visible .certification-card:nth-child(7) { animation-delay: 0.7s; }
.section.visible .certification-card:nth-child(8) { animation-delay: 0.8s; }
.section.visible .certification-card:nth-child(9) { animation-delay: 0.85s; }
.section.visible .certification-card:nth-child(10) { animation-delay: 0.9s; }
.section.visible .certification-card:nth-child(11) { animation-delay: 0.95s; }
.section.visible .certification-card:nth-child(12) { animation-delay: 1s; }
.section.visible .certification-card:nth-child(n+13) { animation-delay: 1.05s; }

@keyframes staggerReveal {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ========== EDUCATION GRID ========== */
.education-grid {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.education-card {
    padding: var(--spacing-xl);
}

/* Accent Line */
.education-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--gradient-purple-cyan);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform var(--transition-normal);
}

.education-card:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
    box-shadow: var(--shadow-lg), 0 0 30px var(--accent-purple-glow);
}

.education-card:hover::before {
    transform: scaleY(1);
}

.education-header {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.education-logo-wrapper {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.education-card:hover .education-logo-wrapper {
    border-color: var(--accent-purple);
    box-shadow: var(--shadow-glow-purple);
}

.education-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 6px;
    transition: transform var(--transition-normal);
}

.education-card:hover .education-logo {
    transform: scale(1.1);
}

.education-info {
    flex: 1;
    min-width: 0;
}

.education-school {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    transition: color var(--transition-normal);
}

.education-card:hover .education-school {
    color: var(--accent-purple);
}

.education-degree {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Courses */
.education-courses {
    margin-top: var(--spacing-lg);
}

.courses-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-secondary);
    list-style: none;
    transition: all var(--transition-normal);
}

.courses-summary::-webkit-details-marker {
    display: none;
}

.courses-summary:hover {
    background: rgba(0, 0, 0, 0.3);
    border-color: var(--accent-purple);
    color: var(--accent-purple);
}

.courses-summary i {
    transition: transform var(--transition-normal);
}

.education-courses[open] .courses-summary i {
    transform: rotate(180deg);
}

.courses-grid {
    display: grid;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) 0;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
}

.education-courses[open] .courses-grid {
    animation: coursesReveal 0.4s ease-out;
}

@keyframes coursesReveal {
    from {
        opacity: 0;
        transform: translateY(-10px);
        max-height: 0;
    }
    to {
        opacity: 1;
        transform: translateY(0);
        max-height: 1000px;
    }
}

.course-item {
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    display: block;
    position: relative;
    overflow: hidden;
}

.course-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-purple-cyan);
    transition: left var(--transition-normal);
    z-index: -1;
}

.course-item:hover {
    border-color: transparent;
    color: white;
    transform: translateX(6px) scale(1.02);
}

.course-item:hover::before {
    left: 0;
}

/* ========== EXPERIENCE ========== */
.experience-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.experience-card {
    padding: var(--spacing-xl);
}

.experience-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-purple-pink);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform var(--transition-normal);
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.experience-card:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
    transform: translateX(12px);
    box-shadow: -8px 0 30px var(--accent-purple-glow), var(--shadow-lg);
}

.experience-card:hover::before {
    transform: scaleY(1);
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-lg);
}

.experience-company-group {
    display: flex;
    gap: var(--spacing-md);
    flex: 1;
}

.experience-logo {
    width: 48px;
    height: 48px;
    object-fit: contain;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    padding: 6px;
    background: var(--bg-secondary);
    flex-shrink: 0;
    transition: all var(--transition-normal);
}

.experience-card:hover .experience-logo {
    border-color: var(--accent-pink);
    box-shadow: 0 0 20px var(--accent-pink-glow);
    transform: rotate(-5deg) scale(1.05);
}

.experience-company {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    transition: color var(--transition-normal);
}

.experience-card:hover .experience-company {
    color: var(--accent-pink);
}

.experience-role {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.experience-period {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-cyan);
    white-space: nowrap;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--info-bg);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    transition: all var(--transition-normal);
}

.experience-card:hover .experience-period {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 15px var(--accent-cyan-glow);
}

/* ========== CERTIFICATIONS ========== */
.certifications-grid {
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

.certification-card {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* Glowing corner accent */
.certification-card::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, var(--accent-cyan-glow) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-normal), transform var(--transition-slow);
    transform: scale(0.5);
}

.certification-card:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
    box-shadow: var(--shadow-lg), 0 0 30px var(--accent-cyan-glow);
}

.certification-card:hover::before {
    opacity: 0.6;
    transform: scale(1);
}

.certification-header {
    display: flex;
    align-items: flex-start;
}

.certification-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    line-height: 1.4;
    transition: color var(--transition-normal);
}

.certification-card:hover .certification-name {
    color: var(--accent-cyan);
}

.certification-name i {
    color: var(--accent-cyan);
    font-size: 0.875rem;
    margin-top: 2px;
    flex-shrink: 0;
    transition: transform var(--transition-normal);
}

.certification-card:hover .certification-name i {
    transform: rotate(15deg) scale(1.2);
}

.certification-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.certification-provider,
.certification-date {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.certification-provider i,
.certification-date i {
    opacity: 0.6;
    width: 14px;
}

.certification-number {
    margin-top: auto;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.certification-number::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-purple-cyan);
    transition: left var(--transition-normal);
}

.certification-number:hover {
    border-color: var(--accent-purple);
    transform: scale(1.02);
}

.certification-number:hover::before {
    left: 0;
}

.certification-number .number-text,
.certification-number .copy-indicator {
    position: relative;
    z-index: 1;
    transition: all var(--transition-fast);
}

.certification-number:hover .number-text {
    color: white;
}

/* Copy Success Animation */
.certification-number.copied {
    animation: copySuccess 0.5s ease;
}

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

.copy-indicator {
    position: absolute;
    right: var(--spacing-md);
    opacity: 0;
    transition: opacity var(--transition-fast);
    color: var(--success);
    font-size: 0.7rem;
}

.certification-number.copied .copy-indicator {
    opacity: 1;
    animation: checkPop 0.3s ease;
}

@keyframes checkPop {
    0% {
        transform: scale(0);
    }
    50% {
        transform: scale(1.3);
    }
    100% {
        transform: scale(1);
    }
}

.certification-number.copied .number-text {
    opacity: 0.5;
}

/* ========== PAGE LOAD ANIMATION ========== */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--glass-border);
    border-top-color: var(--accent-purple);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .main {
        padding: var(--spacing-2xl) var(--spacing-md);
    }

    .nav-controls {
        top: var(--spacing-sm);
        right: var(--spacing-sm);
    }

    .control-btn {
        width: 42px;
        height: 42px;
    }

    .sticky-nav {
        display: none !important;
    }

    /* Disable cursor effects on mobile */
    .cursor-spotlight,
    .custom-cursor {
        display: none !important;
    }

    .hero {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
        padding: var(--spacing-xl);
    }

    .hero-visual {
        justify-self: center;
    }

    .hero-image {
        width: 120px;
        height: 160px;
    }

    .hero-qr {
        justify-self: center;
        order: 3;
    }

    .hero-links {
        justify-content: center;
    }

    .hero-content {
        align-items: center;
    }

    .section-title {
        flex-wrap: wrap;
    }

    .section-title::after {
        display: none;
    }

    .education-grid,
    .certifications-grid {
        grid-template-columns: 1fr;
    }

    .experience-header {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .experience-period {
        align-self: flex-start;
    }

    .courses-grid {
        grid-template-columns: 1fr;
    }

    .back-to-top {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        width: 44px;
        height: 44px;
    }

    .toast-container {
        left: var(--spacing-md);
        right: var(--spacing-md);
        transform: none;
    }

    .toast {
        width: 100%;
    }

    /* Mobilde performans optimizasyonu */
    .floating-orbs,
    .aurora {
        display: none;
    }

    .noise-overlay {
        display: none;
    }

    /* Backdrop blur'u kaldır - mobilde ağır */
    .hero,
    .education-card,
    .experience-card,
    .certification-card,
    .control-btn,
    .sticky-nav-container,
    .toast {
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        background: var(--bg-secondary) !important;
    }
}

@media (max-width: 480px) {
    .hero-name {
        font-size: 1.75rem;
    }

    .section-label {
        font-size: 1.25rem;
    }

    .education-card,
    .experience-card,
    .certification-card {
        padding: var(--spacing-md);
    }
}

/* ========== ACCESSIBILITY ========== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .floating-orbs,
    .aurora,
    .cursor-spotlight,
    .custom-cursor {
        display: none !important;
    }

    .section {
        opacity: 1;
        transform: none;
    }

    .education-card,
    .experience-card,
    .certification-card {
        opacity: 1;
        transform: none;
    }
}

*:focus-visible {
    outline: 2px solid var(--accent-purple);
    outline-offset: 2px;
}

/* ========== PRINT ========== */
@media print {
    body::before,
    .nav-controls,
    .sticky-nav,
    .back-to-top,
    .scroll-progress,
    .hero-qr,
    .floating-orbs,
    .aurora,
    .noise-overlay,
    .cursor-spotlight,
    .custom-cursor,
    .toast-container,
    .page-loader {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .hero,
    .section {
        opacity: 1;
        transform: none;
    }

    .education-card,
    .experience-card,
    .certification-card {
        opacity: 1;
        transform: none;
        background: white;
        border: 1px solid #ddd;
        box-shadow: none;
    }
}