@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";*,*:before,*:after{box-sizing:border-box}body{margin:0;min-width:320px}:root{--color-primary: #1E3A8A;--color-secondary: #2563EB;--color-accent: #7C3AED;--color-bg: #FFFFFF;--color-text: #1F2937;--color-muted: #6B7280;--color-surface: #F9FAFB;--color-border: #E5E7EB;--color-error: #DC2626;--color-success: #16A34A;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 16px;--radius-full: 9999px;--font-sans: "Inter", system-ui, -apple-system, sans-serif;--font-mono: "Fira Code", "Consolas", monospace;--text-sm: clamp(.8rem, .75rem + .25vw, .9rem);--text-base: clamp(1rem, .9rem + .5vw, 1.125rem);--text-lg: clamp(1.125rem,1rem + .6vw, 1.35rem);--text-xl: clamp(1.25rem, 1rem + 1.2vw, 1.75rem);--text-2xl: clamp(1.5rem, 1rem + 2vw, 2.5rem);--text-3xl: clamp(2rem, 1.2rem + 3vw, 3.5rem);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1);--transition-fast: .15s ease;--transition-normal: .3s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-sans);font-size:var(--text-base);line-height:1.6;color:var(--color-text);background-color:var(--color-bg)}img{max-width:100%;height:auto;display:block}.skip-link{position:absolute;top:-100%;left:1rem;background:var(--color-secondary);color:var(--color-bg);padding:var(--space-sm) var(--space-md);border-radius:0 0 var(--radius-md) var(--radius-md);text-decoration:none;font-weight:600;z-index:1000;transition:top var(--transition-fast)}.skip-link:focus{top:0}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--color-secondary);outline-offset:2px}.site-header{background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));color:var(--color-bg);padding:var(--space-md);position:sticky;top:0;z-index:10;box-shadow:var(--shadow-md)}.header-inner{display:flex;flex-direction:column;align-items:center;gap:var(--space-sm)}.header-inner h1{font-size:var(--text-2xl);font-weight:700;text-align:center}.subtitle{font-size:var(--text-sm);opacity:.85;text-align:center}nav[aria-label="Ana Navigasyon"]{width:100%}nav[aria-label="Ana Navigasyon"] ul{display:flex;flex-direction:column;align-items:center;list-style:none;gap:var(--space-xs);padding:0;margin:0}nav[aria-label="Ana Navigasyon"] a{display:block;color:var(--color-bg);font-weight:600;text-decoration:none;padding:var(--space-xs) var(--space-md);border-radius:var(--radius-md);transition:background var(--transition-fast),color var(--transition-fast);text-align:center;width:100%}nav[aria-label="Ana Navigasyon"] a:hover,nav[aria-label="Ana Navigasyon"] a:focus{background:#fff3}main{padding:var(--space-xl) var(--space-md)}section{padding:var(--space-xl) 0;margin-bottom:0}section h2{font-size:var(--text-2xl);color:var(--color-primary);border-bottom:3px solid var(--color-secondary);padding-bottom:var(--space-xs);margin-bottom:var(--space-lg);text-align:center}.about-content{display:flex;flex-direction:column;align-items:center;gap:var(--space-lg);text-align:center}.about-article{background:var(--color-surface);border-radius:var(--radius-md);padding:var(--space-lg);box-shadow:var(--shadow-sm);width:100%;transition:box-shadow var(--transition-normal)}.about-article:hover{box-shadow:var(--shadow-md)}.about-article h3{font-size:var(--text-lg);color:var(--color-primary);margin-bottom:var(--space-sm)}.about-article p{font-size:var(--text-base);color:var(--color-muted);line-height:1.7;margin-bottom:var(--space-sm)}.about-aside{background:#eef2ff;border-left:4px solid var(--color-secondary);border-radius:var(--radius-md);padding:var(--space-lg);width:100%}.about-aside h3{font-size:var(--text-lg);color:var(--color-primary);margin-bottom:var(--space-sm)}dl{display:grid;grid-template-columns:auto 1fr;gap:var(--space-xs) var(--space-md)}dt{font-weight:700;color:var(--color-text)}dd{color:var(--color-muted)}.skill-tags{display:flex;flex-wrap:wrap;gap:var(--space-sm);list-style:none;padding:0;margin-top:var(--space-md);justify-content:center}.skill-tags li{background-color:var(--color-primary);color:var(--color-bg);padding:var(--space-xs) var(--space-md);border-radius:var(--radius-full);font-size:var(--text-sm);font-weight:500;transition:background var(--transition-fast),transform var(--transition-fast)}.skill-tags li:hover{background-color:var(--color-secondary);transform:translateY(-2px)}.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-xl)}.project-card{display:flex;flex-direction:column;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform var(--transition-normal),box-shadow var(--transition-normal)}.project-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.project-img{font-size:3.5rem;text-align:center;padding:var(--space-xl);background:linear-gradient(135deg,#eef2ff,#dbeafe)}figure{margin:0}figcaption{font-size:var(--text-sm);color:var(--color-muted);text-align:center;padding:var(--space-xs) var(--space-md);border-bottom:1px solid var(--color-border)}.project-card h3{font-size:var(--text-lg);color:var(--color-primary);padding:var(--space-md) var(--space-lg) var(--space-xs)}.project-card p{font-size:var(--text-base);color:var(--color-muted);padding:0 var(--space-lg);flex-grow:1;line-height:1.7}.project-card time{font-size:var(--text-sm);color:var(--color-secondary);font-weight:600;padding:var(--space-sm) var(--space-lg)}.project-card .skill-tags{padding:var(--space-sm) var(--space-lg) var(--space-lg);margin-top:0;justify-content:flex-start}.contact-form{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-xl);box-shadow:var(--shadow-sm)}.form-group{display:flex;flex-direction:column;margin-bottom:var(--space-md)}.form-group label{font-weight:600;color:var(--color-text);margin-bottom:var(--space-xs);font-size:var(--text-base)}.form-group label span{color:var(--color-error)}.form-group input,.form-group textarea{width:100%;padding:var(--space-sm) var(--space-md);border:2px solid var(--color-border);border-radius:var(--radius-md);font-family:var(--font-sans);font-size:var(--text-base);color:var(--color-text);background:var(--color-bg);transition:border-color var(--transition-fast)}.form-group input:focus,.form-group textarea:focus{border-color:var(--color-secondary);outline:2px solid var(--color-secondary);outline-offset:2px}.form-group input:invalid:not(:placeholder-shown),.form-group textarea:invalid:not(:placeholder-shown){border-color:var(--color-error)}.form-group input:invalid:not(:placeholder-shown)+.error-msg,.form-group textarea:invalid:not(:placeholder-shown)+.error-msg{display:block}.error-msg{display:none;color:var(--color-error);font-size:var(--text-sm);margin-top:var(--space-xs)}button[type=submit]{width:100%;padding:var(--space-sm) var(--space-lg);background:var(--color-primary);color:var(--color-bg);border:none;border-radius:var(--radius-md);font-family:var(--font-sans);font-size:var(--text-base);font-weight:600;cursor:pointer;transition:background var(--transition-fast),transform var(--transition-fast)}button[type=submit]:hover,button[type=submit]:focus{background:var(--color-secondary)}button[type=submit]:active{transform:scale(.98)}footer{text-align:center;padding:var(--space-xl) var(--space-md);background:var(--color-primary);color:#ffffffd9;font-size:var(--text-sm);border-top:1px solid var(--color-border)}@media(min-width:640px){.header-inner{flex-direction:row;justify-content:space-between;align-items:center;flex-wrap:wrap}.header-inner h1,.subtitle{text-align:left}nav[aria-label="Ana Navigasyon"]{width:auto}nav[aria-label="Ana Navigasyon"] ul{flex-direction:row;gap:var(--space-xs)}nav[aria-label="Ana Navigasyon"] a{width:auto;text-align:center}.about-content{flex-direction:row;align-items:flex-start;text-align:left}.about-article{flex:2}.about-aside{flex:1}.skill-tags{justify-content:flex-start}section{padding:var(--space-2xl) 0}main{padding:var(--space-2xl) var(--space-xl)}button[type=submit]{width:auto}}@media(min-width:1024px){main{max-width:1200px;margin:0 auto;padding:var(--space-3xl) var(--space-xl)}section{padding:var(--space-3xl) 0}.projects-grid{grid-template-columns:repeat(3,1fr)}section h2{text-align:left}}