:root{--color-primary: #FF0000;--color-secondary: #000000;--color-bg: #FFFFFF;--color-text: #000000;--color-text-muted: #666666;--color-card-bg: #F5F5F5;--color-border: #E0E0E0;--font-family: "Outfit", system-ui, -apple-system, sans-serif;--font-heading: "Playfair Display", serif;--line-height: 1.6;--font-weight: 300;--spacing-unit: 8px;--container-width: 1200px;--header-height: 80px;color-scheme:light}[data-theme=dark]{--color-secondary: #FFFFFF;--color-bg: #121212;--color-text: #FFFFFF;--color-text-muted: #A0A0A0;--color-card-bg: #1E1E1E;--color-border: #333333;color-scheme:dark}*{margin:0;padding:0;box-sizing:border-box}html{font-family:var(--font-family);line-height:var(--line-height);font-weight:var(--font-weight);color:var(--color-text);background-color:var(--color-bg);scroll-behavior:smooth;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:var(--color-primary);text-decoration:inherit;transition:opacity .2s}a:hover{opacity:.8}body{min-width:320px;min-height:100vh;transition:background-color .3s,color .3s}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);line-height:1.2;font-weight:700;margin-bottom:1rem;letter-spacing:-.02em}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:var(--color-primary);color:#fff;cursor:pointer;transition:border-color .25s}button:hover{opacity:.9}.site-header{height:120px;position:sticky;top:0;background-color:var(--color-bg);z-index:100;border-bottom:1px solid var(--color-border);transition:background-color .3s,border-color .3s}.header-content{max-width:var(--container-width);margin:0 auto;padding:0 1rem;height:100%;display:flex;align-items:center;justify-content:space-between}.signature-logo{height:130px;object-fit:contain;transition:filter .3s;padding:5px 0}[data-theme=dark] .signature-logo{filter:invert(1)}.main-nav{display:flex;gap:2rem;align-items:center}.main-nav a{text-transform:uppercase;font-size:.9rem;letter-spacing:.05em;color:var(--color-text);position:relative}.main-nav a.active{color:var(--color-primary);font-weight:700}.main-nav a.active:after{content:"";position:absolute;bottom:-4px;left:0;width:100%;height:2px;background-color:var(--color-primary)}.theme-toggle{background:none;border:1px solid var(--color-border);color:var(--color-text);padding:.4rem;border-radius:50%;width:36px;height:36px;display:flex;align-items:center;justify-content:center;transition:all .3s}.theme-toggle:hover{background-color:var(--color-card-bg);transform:rotate(15deg);opacity:.7}.hamburger-button{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;z-index:1001}.hamburger-line{width:25px;height:3px;background-color:var(--color-text);border-radius:2px;transition:all .3s ease}.mobile-menu-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;z-index:999;animation:fadeIn .3s ease}.mobile-nav{position:fixed;top:0;right:0;height:100%;width:280px;max-width:80%;background-color:var(--color-bg);box-shadow:-2px 0 10px #0000001a;padding:2rem 1.5rem;overflow-y:auto;animation:slideInRight .3s ease;z-index:1000}.close-button{position:absolute;top:1rem;right:1rem;background:none;border:none;font-size:2rem;color:var(--color-text);cursor:pointer;padding:.5rem;line-height:1;transition:opacity .2s}.close-button:hover{opacity:.7}.mobile-nav-links{display:flex;flex-direction:column;gap:1.5rem;margin-top:3rem}.mobile-nav-links a{font-size:1.2rem;font-weight:500;color:var(--color-text);text-decoration:none;padding:.5rem 0;border-bottom:1px solid var(--color-border);transition:color .2s}.mobile-nav-links a:hover,.mobile-nav-links a.active{color:var(--color-primary)}.mobile-theme-toggle{margin-top:1rem;width:100%;text-align:left;font-size:1.1rem;padding:.8rem 1rem;background-color:var(--color-card-bg);border:1px solid var(--color-border)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideInRight{0%{transform:translate(100%)}to{transform:translate(0)}}@media(max-width:768px){.header-content{padding:0 1rem}.signature-logo{height:90px}.desktop-nav{display:none}.hamburger-button{display:flex}.mobile-menu-overlay{display:block}.mobile-theme-toggle{width:100%;text-align:center;border-radius:50px;margin-top:2rem;justify-content:center}}.home-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:calc(100vh - var(--header-height));padding:2rem;text-align:center;position:relative;overflow:hidden}.hero-content{max-width:800px;animation:fadeIn 1s ease-out}.profile-wrapper{position:relative;display:inline-block;margin-bottom:2rem}.profile-image{width:280px;height:280px;border-radius:50%;object-fit:cover;border:4px solid var(--color-bg);box-shadow:0 10px 30px #0000001a;transition:transform .3s ease}.profile-wrapper:hover .profile-image{transform:scale(1.02)}.location-marker{position:absolute;bottom:0;right:10px;background-color:var(--color-bg);border-radius:50%;padding:8px;box-shadow:0 4px 10px #0000001a;border:2px solid var(--color-primary);color:var(--color-primary);display:flex;align-items:center;justify-content:center;transition:all .3s cubic-bezier(.175,.885,.32,1.275);cursor:pointer;text-decoration:none;font-size:1.2rem}.location-marker:hover{transform:translateY(-5px);background-color:var(--color-primary);color:#fff}.tooltip{position:absolute;bottom:-40px;left:50%;transform:translate(-50%);background-color:var(--color-secondary);color:var(--color-bg);padding:4px 8px;border-radius:4px;font-size:.8rem;opacity:0;visibility:hidden;transition:opacity .2s;white-space:nowrap}.location-marker:hover .tooltip{opacity:1;visibility:visible}.hero-title{font-size:3rem;font-weight:800;margin-bottom:1rem;letter-spacing:-.02em}.hero-description{font-size:1.2rem;color:var(--color-text-muted);margin-bottom:2rem;line-height:1.6}.social-links{display:flex;justify-content:center;gap:1.5rem}.social-icon{font-size:1.8rem;color:var(--color-text);transition:color .3s,transform .3s}.social-icon:hover{color:var(--color-primary);transform:translateY(-3px)}@media(max-width:768px){.hero-title{font-size:2rem}.profile-image{width:150px;height:150px}}.about-container{max-width:1000px;margin:0 auto;padding:4rem 2rem;animation:fadeIn .8s ease-out}.about-header{display:flex;align-items:center;gap:3rem;margin-bottom:4rem}.about-profile-img{width:250px;height:250px;border-radius:50%;object-fit:cover;flex-shrink:0;box-shadow:0 5px 15px #0000001a;border:3px solid var(--color-primary)}.about-intro h1{font-size:2.5rem;margin-bottom:1rem}.about-intro p{font-size:1.1rem;line-height:1.7;color:var(--color-text-muted)}.section-title{font-size:1.8rem;margin-bottom:2rem;padding-bottom:.5rem;border-bottom:2px solid var(--color-border);display:inline-block}.about-section{margin-bottom:4rem}.education-card,.skill-category{background-color:var(--color-card-bg);padding:1.5rem;border-radius:8px;margin-bottom:1rem;border-left:4px solid var(--color-primary);transition:transform .2s}.education-card:hover,.skill-category:hover{transform:translate(5px)}.education-card h3{margin-bottom:.5rem}.skill-tags{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1rem}.skill-tag{background-color:var(--color-bg);padding:.4rem .8rem;border-radius:20px;border:1px solid var(--color-border);font-size:.9rem;font-weight:500}@media(max-width:768px){.about-header{flex-direction:column;text-align:center;gap:1.5rem}}.education-list{list-style-type:disc;padding-left:1.2rem;font-size:.95rem;line-height:1.6}.cert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.5rem}.cert-card{background-color:var(--color-card-bg);padding:1.5rem;border-radius:8px;border:1px solid var(--color-border);transition:transform .2s,box-shadow .2s,border-color .2s;display:flex;flex-direction:column;color:inherit;text-decoration:none}.cert-card:hover{transform:translateY(-5px);box-shadow:0 8px 20px #0000001a;border-color:var(--color-primary)}.cert-name{font-size:1.05rem;font-weight:700;margin-bottom:.5rem}.cert-issuer{font-size:.9rem;color:var(--color-primary);margin-bottom:.5rem;font-weight:600}.cert-date{font-size:.85rem;color:var(--color-text-muted);margin-top:auto}.experience-container{padding:4rem 2rem;max-width:1200px;margin:0 auto}.experience-title{text-align:center;font-size:2.5rem;margin-bottom:4rem;animation:fadeIn .8s ease-out}.timeline{position:relative;max-width:1000px;margin:0 auto}.timeline:after{content:"";position:absolute;width:4px;background-color:var(--color-border);top:0;bottom:0;left:50%;margin-left:-2px;border-radius:2px}.timeline-item{padding:10px 40px;position:relative;background-color:inherit;width:50%;opacity:0;transform:translateY(30px);transition:all .6s 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#0000001a;border-color:var(--color-primary)}.timeline-start-date{font-size:.9rem;color:var(--color-primary);font-weight:700;margin-bottom:.5rem;display:block}.timeline-company{font-size:1.4rem;margin-bottom:.5rem}.timeline-role{font-size:1.1rem;font-weight:500;color:var(--color-text);margin-bottom:.5rem}.timeline-location{font-size:.9rem;color:var(--color-text-muted);font-style:italic}.timeline-description{margin-top:1rem;text-align:left;max-height:0;overflow:hidden;transition:max-height .4s ease-out,opacity .4s ease-out;opacity:0;border-top:1px solid transparent}.timeline-content:hover .timeline-description{max-height:400px;opacity:1;padding-top:1rem;border-top-color:var(--color-border);overflow-y:auto;padding-right:10px}.timeline-description::-webkit-scrollbar{width:6px}.timeline-description::-webkit-scrollbar-track{background:transparent}.timeline-description::-webkit-scrollbar-thumb{background-color:var(--color-border);border-radius:3px}.timeline-description::-webkit-scrollbar-thumb:hover{background-color:var(--color-text-muted)}.timeline-description ul{list-style-type:disc;padding-left:1.5rem}.timeline-description li{margin-bottom:.5rem;font-size:.95rem;line-height:1.5}@media(max-width:768px){.timeline:after{left:31px}.timeline-item{width:100%;padding-left:70px;padding-right:25px}.timeline-item.left,.timeline-item.right{left:0;text-align:left}.timeline-dot{left:21px;right:auto}.timeline-item.right .timeline-dot{left:21px}}.projects-container{max-width:1200px;margin:0 auto;padding:4rem 2rem;animation:fadeIn .8s ease-out}.projects-intro{text-align:center;margin-bottom:4rem;max-width:800px;margin-left:auto;margin-right:auto}.projects-intro h1{font-size:2.5rem;margin-bottom:1rem}.projects-intro p{font-size:1.1rem;color:var(--color-text-muted);line-height:1.6}.project-section{margin-bottom:5rem}.project-section-header{margin-bottom:2rem;padding-bottom:1rem;border-bottom:1px solid var(--color-border)}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem}.dashboard-card{background-color:var(--color-card-bg);border-radius:12px;overflow:hidden;transition:transform .3s,box-shadow .3s;cursor:pointer;border:1px solid var(--color-border);text-decoration:none;color:inherit;display:flex;flex-direction:column;height:100%}.dashboard-card:hover{transform:translateY(-8px);box-shadow:0 15px 30px #00000026}.card-content{padding:1.5rem;flex-grow:1;display:flex;flex-direction:column}.card-category{font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;font-weight:700;margin-bottom:.5rem;opacity:.7}.card-title{font-size:1.3rem;margin-bottom:1rem;font-weight:700}.card-link-text{margin-top:auto;font-size:.9rem;font-weight:600;color:var(--color-primary);display:flex;align-items:center;gap:.5rem}.card-link-text:after{content:"→";transition:transform .2s}.dashboard-card:hover .card-link-text:after{transform:translate(5px)}.bts-container{max-width:1200px;margin:0 auto;padding:4rem 2rem;animation:fadeIn .8s ease-out}.bts-intro{text-align:center;margin-bottom:4rem;max-width:800px;margin-left:auto;margin-right:auto}.bts-intro h1{font-size:2.5rem;margin-bottom:1rem}.bts-intro p{font-size:1.1rem;color:var(--color-text-muted);line-height:1.6;margin-bottom:2rem}.tech-stack{display:flex;justify-content:center;gap:1rem;flex-wrap:wrap}.tech-badge{background-color:var(--color-card-bg);border:1px solid var(--color-border);padding:.5rem 1rem;border-radius:20px;font-size:.9rem;font-weight:600;color:var(--color-primary)}.bts-section{margin-bottom:2rem;border:1px solid var(--color-border);border-radius:12px;overflow:hidden;background-color:var(--color-card-bg)}.section-header{width:100%;padding:1.5rem 2rem;background:none;border:none;display:flex;justify-content:space-between;align-items:center;cursor:pointer;transition:background-color .2s;font-family:inherit;color:inherit}.section-header:hover{background-color:var(--color-bg)}.section-header h2{margin:0;font-size:1.5rem;text-align:left}.toggle-icon{font-size:1.5rem;font-weight:300;color:var(--color-primary)}.section-content{padding:0 2rem 2rem;border-top:1px solid var(--color-border)}.code-block-wrapper{margin-bottom:3rem}.code-block-wrapper:last-child{margin-bottom:0}.code-block-wrapper h3{font-size:1.2rem;margin-bottom:1rem;color:var(--color-primary)}.description{margin-bottom:.8rem;line-height:1.6;color:var(--color-text-muted)}.description strong{color:var(--color-text);font-weight:600}.key-concepts{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem;margin-bottom:.5rem}.concept-badge{background:linear-gradient(135deg,var(--color-primary),#FF6B6B);color:#fff;padding:.3rem .8rem;border-radius:12px;font-size:.75rem;font-weight:600;letter-spacing:.02em;box-shadow:0 2px 4px #0000001a}.code-block{background-color:var(--color-bg);border:1px solid var(--color-border);border-radius:8px;padding:1.5rem;overflow-x:auto;overflow-y:auto;max-height:500px;font-family:Monaco,Menlo,Courier New,monospace;font-size:.85rem;line-height:1.5;color:var(--color-text);white-space:pre;margin-top:1rem}.code-block::-webkit-scrollbar{height:8px;width:8px}.code-block::-webkit-scrollbar-track{background:transparent}.code-block::-webkit-scrollbar-thumb{background-color:var(--color-border);border-radius:4px}.code-block::-webkit-scrollbar-thumb:hover{background-color:var(--color-text-muted)}@media(max-width:768px){.bts-intro h1{font-size:2rem}.section-header{padding:1rem 1.5rem}.section-header h2{font-size:1.2rem}.section-content{padding:0 1.5rem 1.5rem}.code-block{font-size:.75rem;padding:1rem}}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}