@import url("https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap");html{scroll-behavior:smooth;color-scheme:light dark;-webkit-text-size-adjust:100%;text-size-adjust:100%;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;box-sizing:border-box}*,*:before,*:after{box-sizing:inherit}:root{--brand-color: #0A192F;--accent-color: #38BDF8;--text-color: #1E293B;--muted-text: #64748B;--bg-color: #F8FAFC;--border-color: #E2E8F0;--surface-color: #FFFFFF}[data-theme="dark"]{--brand-color: #F8FAFC;--accent-color: #38BDF8;--text-color: #E2E8F0;--muted-text: #94A3B8;--bg-color: #000000;--surface-color: #111111;--border-color: rgba(255, 255, 255, 0.1)}[data-theme="dark"] .hero-content{background:rgba(10,10,10,0.8);border:1px solid rgba(255,255,255,0.05)}[data-theme="dark"] .contact-card .sticky-contact{background:#0A0A0A;border-color:#1E293B}[data-theme="dark"] .tech-stack span{background:#111827;color:var(--accent-color);border-color:#1E293B}[data-theme="dark"] .cta a:hover,[data-theme="dark"] .contact-links .btn-contact:hover{filter:brightness(1.1);box-shadow:0 0 15px rgba(56,189,248,0.4)}*{box-sizing:border-box}body{font-family:'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;line-height:1.7;color:var(--text-color);background-color:var(--bg-color);max-width:960px;margin:0 auto;padding:3rem 2rem;transition:background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease}header{border-bottom:1px solid var(--border-color);padding-bottom:1.75rem;margin-bottom:3rem}.header-inner{display:flex;flex-direction:column}main{background:var(--surface-color);padding:2.25rem;border-radius:6px;border:1px solid var(--border-color);box-shadow:0 1px 3px rgba(0,0,0,0.04)}main.flush{padding:0;overflow:hidden}footer{margin-top:3.5rem;font-size:0.85rem;color:var(--muted-text);text-align:center}nav ul{list-style:none;padding:0;display:flex;gap:1.75rem;margin:1.25rem 0 0 0}nav a{text-decoration:none;color:var(--muted-text);font-weight:500;position:relative}nav a.active{color:var(--brand-color);font-weight:600}nav a.active::after{width:100%;background:var(--accent-color)}nav a::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:2px;background:var(--accent-color);transition:width 0.25s ease}nav a:hover{color:var(--brand-color)}nav a:hover::after{width:100%}@media (max-width: 600px){nav ul{flex-direction:column;gap:0.75rem}}header h1{color:var(--brand-color);margin:0;font-size:1.8rem;font-weight:600;letter-spacing:-0.015em}main h2{color:var(--brand-color);font-size:1.7rem;margin-bottom:1rem;line-height:1.3}main h3{color:var(--brand-color);margin-top:2.5rem}main p{max-width:68ch;margin-bottom:1rem}strong{color:var(--brand-color);font-weight:600}.project{margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid var(--border-color)}.tech-stack{margin-top:1rem;font-size:0.85rem;color:var(--muted-text)}.tech-stack span{margin-right:0.6rem;padding:0.25rem 0.6rem;border-radius:6px;background:var(--bg-color);border:1px solid var(--border-color);font-size:0.8rem;font-weight:500}.cta a{display:inline-block;margin-top:1rem;padding:0.35rem 0.7rem;color:#fff;background-color:var(--accent-color);border-radius:4px;text-decoration:none;font-weight:500;transition:all 0.25s cubic-bezier(0.4, 0, 0.2, 1)}.cta a:hover{filter:brightness(0.92)}.subtitle{font-size:1rem;font-weight:400;color:var(--muted-text);margin-top:0.25rem;margin-bottom:2rem}.demo-frame{margin:2.5rem 0;border:1px solid var(--border-color);border-radius:6px;overflow:hidden;background-color:#000}.demo-frame iframe{width:100%;height:min(70vh, 700px);border:none;background-color:transparent;opacity:0;transition:opacity 0.4s ease-in-out}@media (max-width: 600px){.demo-frame iframe{height:60vh}}.hero-container{position:relative;width:100%;min-height:75vh;display:flex;align-items:center;background:#000;margin:0}.hero-content{position:relative;z-index:2;max-width:500px;margin-left:3rem;padding:2.5rem;background:rgba(255,255,255,0.7);backdrop-filter:blur(16px) saturate(180%);-webkit-backdrop-filter:blur(16px) saturate(180%);border:1px solid rgba(255,255,255,0.3);border-radius:16px;box-shadow:0 10px 30px rgba(0,0,0,0.1)}.hero-visual{position:absolute;top:0;left:0;width:100%;height:100%;z-index:1;overflow:hidden}.hero-visual iframe{width:100%;height:100%;border:none;pointer-events:none}.about-grid{display:grid;grid-template-columns:1fr 300px;gap:4rem;margin-top:2rem}@media (max-width: 850px){.about-grid{grid-template-columns:1fr;gap:2rem}}.education-item{margin-bottom:1.5rem;padding-left:1rem;border-left:2px solid var(--accent-color)}.education-item .uni-name{display:block;font-weight:600;color:var(--brand-color);font-size:1.1rem}.education-item .degree-title{display:block;color:var(--text-color);font-weight:500}.education-item .location-date{font-size:0.85rem;color:var(--muted-text);text-transform:uppercase;letter-spacing:0.05em}.education-item.current{border-left:2px solid var(--accent-color);background:rgba(56,189,248,0.03);padding-top:0.5rem;padding-bottom:0.5rem}.contact-card .sticky-contact{position:sticky;top:2rem;padding:1.5rem;background:#F1F5F9;border-radius:8px;border:1px solid var(--border-color)}.contact-card h3{margin-top:0;font-size:1.1rem}.contact-card p{font-size:0.9rem;color:var(--muted-text);margin-bottom:1.5rem}.contact-links{list-style:none;padding:0}.contact-links li{margin-bottom:0.75rem}.contact-links a{text-decoration:none;color:var(--brand-color);font-weight:500}.contact-links a:hover{color:var(--accent-color)}.contact-links .btn-contact{display:inline-block;background:var(--accent-color);color:white;padding:0.5rem 1rem;border-radius:4px;width:100%;text-align:center;transition:all 0.25s cubic-bezier(0.4, 0, 0.2, 1)}.contact-links .btn-contact:hover{filter:brightness(0.92);color:white}.nav-bar{display:flex;align-items:center;justify-content:space-between;margin-top:1.25rem}.nav-links{display:flex;gap:1.75rem;list-style:none;padding:0;margin:0}.theme-toggle{background:none;border:none;cursor:pointer;color:var(--muted-text);padding:0}#theme-toggle:hover{color:var(--brand-color);transform:scale(1.05)}#theme-toggle:focus-visible{outline:2px solid var(--accent-color);outline-offset:3px}@media (max-width: 600px){.nav-bar{flex-direction:column;align-items:flex-start;gap:1rem}#theme-toggle{align-self:flex-end}}.theme-icon{display:block}.moon{opacity:1;transform:scale(1);transition:opacity 0.3s ease, transform 0.3s ease}.sun{opacity:0;transform:scale(0.8);transition:opacity 0.3s ease, transform 0.3s ease}[data-theme="dark"] .moon{opacity:0;transform:scale(0.8)}[data-theme="dark"] .sun{opacity:1;transform:scale(1)}.sun-rays line{stroke:currentColor;transition:transform 0.3s ease;transform-origin:center;transform:scale(0.6)}[data-theme="dark"] .sun-rays line{transform:scale(1)}.portrait{width:250px;height:auto;border-radius:12px;margin-bottom:1.5rem;box-shadow:0 4px 12px rgba(0,0,0,0.08)}.portrait-container{float:left;margin-right:2rem}.demo-frame iframe[data-src],.demo-frame iframe.loading{opacity:0;background-color:transparent;transition:opacity 0.4s ease-in-out}.demo-frame iframe.loaded{opacity:1}.sub-nav{background:var(--surface-color);border-bottom:1px solid var(--border-color);position:sticky;top:-3rem;z-index:100;margin:-2.25rem -2.25rem 2.5rem -2.25rem;padding:0 2.25rem}.sub-nav-inner{display:flex;gap:2rem;list-style:none;padding:0;margin:0}.sub-nav-link{text-decoration:none;color:var(--muted-text);font-weight:500;font-size:0.85rem;text-transform:uppercase;letter-spacing:0.05em;padding:1.25rem 0;position:relative;display:inline-block;cursor:pointer}.sub-nav-link:hover{color:var(--brand-color)}.sub-nav-link.active{color:var(--brand-color);font-weight:600}.sub-nav-link::after{content:"";position:absolute;left:0;bottom:-1px;width:0;height:2px;background:var(--accent-color);transition:width 0.25s ease}.sub-nav-link.active::after,.sub-nav-link:hover::after{width:100%}.project-archive-item{padding:1.5rem 0;border-bottom:1px dashed var(--border-color)}.project-archive-item h3{margin-top:0;font-size:1.2rem}.cta-archive a{font-size:0.85rem;color:var(--accent-color);text-decoration:none;font-weight:600}.cta-archive a:hover{text-decoration:underline}.data-story-link{display:inline-flex;align-items:center;gap:0.5rem;margin-top:0.5rem;padding:0.5rem 1rem;background:rgba(56,189,248,0.1);border:1px solid var(--accent-color);border-radius:6px;color:var(--accent-color);text-decoration:none;font-weight:600;font-size:0.9rem;transition:all 0.2s}.data-story-link:hover{background:var(--accent-color);color:white}.metric-grid{display:grid;grid-template-columns:repeat(auto-fit, minmax(140px, 1fr));gap:1rem;margin:1.5rem 0}.metric-card{background:var(--bg-color);padding:0.75rem;border-radius:4px;border:1px solid var(--border-color);text-align:center}.metric-value{display:block;font-size:1.2rem;font-weight:700;color:var(--brand-color)}.metric-label{font-size:0.75rem;color:var(--muted-text);text-transform:uppercase}.experimental-tag{font-size:0.7rem;color:var(--accent-color);text-transform:uppercase;letter-spacing:1px;border:1px solid var(--accent-color);display:inline-block;padding:2px 8px;border-radius:12px;margin-bottom:0.5rem}#experimental .project-archive-item{border-left:2px dashed var(--border-color);background:rgba(255,255,255,0.02)}.skill-badge{display:inline-block;background-color:rgba(56,189,248,0.1);color:var(--accent-color);border:1px solid var(--accent-color);padding:0.25rem 0.6rem;margin:0.15rem 0.15rem 0.15rem 0;border-radius:6px;font-size:0.8rem;font-weight:500;transition:all 0.2s ease}.skill-badge:hover{background-color:var(--accent-color);color:white;cursor:default}.hero-visual iframe{width:100%;height:100%;border:none;pointer-events:none;opacity:0;transition:opacity 0.5s ease-in-out}.hero-visual iframe.loaded{opacity:1}.intro-link{color:var(--accent-color);text-decoration:none;font-weight:600;border-bottom:1px solid transparent;transition:all 0.2s ease;padding:0 2px}.intro-link:hover{background:rgba(56,189,248,0.1);border-bottom:1px solid var(--accent-color);border-radius:2px}[data-theme="dark"] .intro-link:hover{background:rgba(56,189,248,0.15)}