.light-theme{--primary-bg: #fafbfc;--secondary-bg: #f6f8fa;--primary-text: #2d3748;--secondary-text: #718096;--accent-color: #4a90e2;--card-bg: #ffffff;--border-color: #e2e8f0;--gradient-start: #2d3748;--gradient-end: #718096;--hover-color: #f1f5f9;--shadow-light: rgba(0, 0, 0, .04);--shadow-medium: rgba(0, 0, 0, .08)}.dark-theme{--primary-bg: #000000;--secondary-bg: #111111;--primary-text: #ffffff;--secondary-text: #a0a0a0;--accent-color: #ffffff;--card-bg: #111111;--border-color: #222222;--gradient-start: #ffffff;--gradient-end: #a0a0a0;--hover-color: #333333;--shadow-light: rgba(255, 255, 255, .04);--shadow-medium: rgba(255, 255, 255, .08)}:root{--primary-bg: #fafbfc;--secondary-bg: #f6f8fa;--primary-text: #2d3748;--secondary-text: #718096;--accent-color: #4a90e2;--card-bg: #ffffff;--border-color: #e2e8f0;--gradient-start: #2d3748;--gradient-end: #718096;--hover-color: #f1f5f9;--shadow-light: rgba(0, 0, 0, .04);--shadow-medium: rgba(0, 0, 0, .08)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;background-color:var(--primary-bg)}body{background-color:var(--primary-bg);color:var(--primary-text);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,sans-serif;line-height:1.6;overflow-x:hidden;min-height:100vh;font-weight:400;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app{background-color:var(--primary-bg);min-height:100vh;position:relative}.main-content{width:100%;max-width:1200px;margin:0 auto;padding:0 1rem}.container{width:100%;margin:0 auto;padding:2rem}section{min-height:75vh;display:flex;align-items:center;justify-content:center;padding:4rem 0;position:relative}.hero-content{display:flex;align-items:center;justify-content:space-between;gap:4rem;width:100%}.hero-text{flex:1;max-width:600px}.hero-text h1{font-size:clamp(2.5rem,5vw,3.5rem);margin-bottom:1.25rem;font-weight:700;letter-spacing:-.02em;line-height:1.2;color:var(--primary-text)}.hero-text h2{font-size:clamp(1.25rem,2.5vw,1.75rem);color:var(--secondary-text);margin-bottom:1.5rem;font-weight:500;line-height:1.4;letter-spacing:-.01em}.hero-description{font-size:clamp(1rem,1.5vw,1.0625rem);color:var(--secondary-text);margin-bottom:2rem;line-height:1.65;max-width:550px;font-weight:400}.hero-buttons{display:flex;gap:1.5rem;flex-wrap:wrap}.primary-button,.secondary-button{padding:.875rem 1.75rem;font-weight:500;font-size:.9375rem;transition:all .2s ease;cursor:pointer;text-decoration:none;display:inline-block;text-align:center;border-radius:8px;border:1px solid;letter-spacing:-.01em}.primary-button{background-color:var(--primary-text);color:var(--primary-bg);border-color:var(--primary-text)}.primary-button:hover{background-color:transparent;color:var(--primary-text);border-color:var(--primary-text)}.secondary-button{border-color:var(--border-color);color:var(--primary-text);background-color:transparent}.secondary-button:hover{background-color:var(--hover-color);border-color:var(--primary-text)}.light-theme .primary-button{background-color:var(--primary-text);color:var(--primary-bg);border-color:var(--primary-text)}.light-theme .primary-button:hover{background:transparent;color:var(--primary-text);border-color:var(--primary-text)}.light-theme .secondary-button{border-color:var(--border-color);color:var(--primary-text);background:transparent}.light-theme .secondary-button:hover{background-color:var(--hover-color);border-color:var(--primary-text)}.dark-theme .primary-button{background-color:var(--primary-text);color:var(--primary-bg);border-color:var(--primary-text)}.dark-theme .primary-button:hover{background-color:transparent;color:var(--primary-text);border-color:var(--primary-text)}.dark-theme .secondary-button{border-color:var(--border-color);color:var(--primary-text);background-color:transparent}.dark-theme .secondary-button:hover{background-color:var(--hover-color);border-color:var(--primary-text)}.hero-image{flex:1;display:flex;justify-content:center;align-items:center}.profile-image{width:100%;height:auto;max-width:450px;object-fit:cover;border:1px solid var(--border-color);transition:all .3s ease;border-radius:8px}.light-theme .profile-image{box-shadow:0 4px 12px #00000014}.light-theme .hero-image:hover .profile-image{box-shadow:0 8px 20px #0000001f}.dark-theme .profile-image{box-shadow:0 4px 12px #0006}.dark-theme .hero-image:hover .profile-image{box-shadow:0 8px 20px #0009}@keyframes gradient{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}.gradient-text{background:linear-gradient(45deg,var(--gradient-start),var(--gradient-end));background-size:200% 200%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:gradient 3s ease infinite}@media (max-width: 1280px){.container,.hero-content,.skills-grid,.projects-grid,.contact-content{max-width:1000px}}@media (max-width: 1024px){.container,.hero-content,.skills-grid,.projects-grid,.contact-content{max-width:900px;padding:0 2rem}.skills-grid{grid-template-columns:repeat(2,1fr);gap:1.5rem}}@media (max-width: 768px){.container,.hero-content,.skills-grid,.projects-grid,.contact-content{max-width:100%;padding:0 1.5rem}.hero-content,.contact-content{flex-direction:column;text-align:center}.skills-grid{grid-template-columns:1fr;gap:1.25rem}.hero-text,.contact-info{max-width:100%}.hero-buttons{justify-content:center}.profile-image{max-width:400px}}@media (max-width: 480px){.container{padding:0 1rem}.hero-text h1{font-size:2.5rem}.hero-text h2{font-size:1.5rem}.hero-buttons{flex-direction:column;gap:1rem}.primary-button,.secondary-button{width:100%}.profile-image{max-width:100%}.section-title{font-size:2rem}.skill-card,.project-card{padding:1.5rem}.skills-section{padding:clamp(3rem,6vw,4rem) 0}.skill-card{padding:clamp(1.25rem,2.5vw,1.75rem)}.skill-card h3{font-size:clamp(1.1rem,2vw,1.3rem);margin-bottom:1.25rem}.skill-card li{font-size:clamp(.9rem,1.5vw,1rem);margin-bottom:.8rem}}.skills-section{padding:clamp(4rem,8vw,8rem) 0;background-color:var(--primary-bg);position:relative;border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color)}.skills-section:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(to bottom,#ffffff08,#fff0);pointer-events:none}.section-title{font-size:clamp(2rem,4vw,3rem);text-align:center;margin-bottom:clamp(2rem,4vw,4rem);position:relative;font-weight:800;letter-spacing:-1px}.section-title:after{content:"";position:absolute;bottom:-15px;left:50%;transform:translate(-50%);width:100px;height:2px;background:var(--primary-text)}.skills-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;width:100%;max-width:1200px;margin:0 auto}@media (max-width: 1200px){.skills-grid{grid-template-columns:repeat(2,1fr);gap:1.5rem}}@media (max-width: 900px){.skills-grid{grid-template-columns:repeat(2,1fr);gap:1.25rem}}@media (max-width: 640px){.skills-grid{grid-template-columns:1fr;gap:1rem}}.skill-card{background-color:var(--card-bg);backdrop-filter:blur(10px);border:1px solid var(--border-color);padding:clamp(1.5rem,3vw,2.5rem);transition:all .3s ease;position:relative;overflow:hidden;border-radius:12px;box-shadow:0 2px 10px var(--shadow-light)}.skill-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,var(--hover-color) 0%,transparent 100%);opacity:0;transition:opacity .3s ease;z-index:1}.skill-card:hover{transform:translateY(-8px);border-color:var(--accent-color);box-shadow:0 15px 35px var(--shadow-medium)}.skill-card:hover:before{opacity:1}.light-theme .skill-card{background:linear-gradient(135deg,#fff,#f8fafc);border:1px solid #e2e8f0;box-shadow:0 4px 20px #00000014}.light-theme .skill-card:hover{border-color:#4a90e2;box-shadow:0 15px 40px #4a90e226;transform:translateY(-8px)}.light-theme .skill-card:before{background:linear-gradient(135deg,rgba(74,144,226,.05) 0%,transparent 100%)}.dark-theme .skill-card{background-color:#111c;border:1px solid #222222}.dark-theme .skill-card:before{background:linear-gradient(45deg,transparent 0%,rgba(255,255,255,.05) 100%)}.dark-theme .skill-card:hover{border-color:var(--primary-text);box-shadow:0 10px 30px #ffffff1a}.skill-card h3{color:var(--primary-text);margin-bottom:1.5rem;font-size:clamp(1.2rem,2vw,1.5rem);font-weight:600;position:relative;z-index:2}.skill-card ul{list-style:none;position:relative;z-index:2}.skill-card li{margin-bottom:1rem;color:var(--secondary-text);font-size:clamp(1rem,1.5vw,1.1rem);position:relative;padding-left:1.5rem;transition:color .3s ease}.skill-card li:hover{color:var(--primary-text)}.skill-card li:before{content:"→";position:absolute;left:0;color:var(--primary-text);transition:transform .3s ease}.skill-card li:hover:before{transform:translate(5px)}.contact-section{padding:clamp(4rem,8vw,8rem) 0;background-color:var(--primary-bg);position:relative;border-top:1px solid var(--border-color)}.contact-section:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(to bottom,#ffffff05,#fff0);pointer-events:none}.contact-content{display:flex;align-items:flex-start;justify-content:space-between;gap:4rem;width:100%}.contact-info{flex:1;text-align:left}.contact-info h3{color:var(--primary-text);margin-bottom:1.5rem;font-size:clamp(1.5rem,3vw,2rem);font-weight:600}.contact-info p{color:var(--secondary-text);font-size:clamp(1rem,1.5vw,1.1rem);line-height:1.8;margin-bottom:2rem}.social-links{display:flex;gap:clamp(1rem,2vw,2rem);margin-top:2rem;flex-wrap:wrap}.social-links a{color:var(--primary-text);text-decoration:none;font-weight:600;font-size:clamp(1rem,1.5vw,1.1rem);position:relative;padding-bottom:5px;transition:all .3s ease}.social-links a:after{content:"";position:absolute;bottom:0;left:0;width:100%;height:1px;background-color:var(--primary-text);transform:scaleX(0);transition:transform .3s ease}.social-links a:hover{transform:translateY(-2px)}.social-links a:hover:after{transform:scaleX(1)}.contact-form{display:flex;flex-direction:column;gap:1.5rem;flex:1}.contact-form input,.contact-form textarea{padding:clamp(1rem,1.5vw,1.2rem);background-color:var(--card-bg);backdrop-filter:blur(10px);border:1px solid var(--border-color);color:var(--primary-text);font-size:clamp(.9rem,1.2vw,1rem);transition:all .3s ease;border-radius:8px}.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--accent-color);transform:translateY(-2px);box-shadow:0 4px 15px var(--shadow-medium)}.light-theme .contact-form input,.light-theme .contact-form textarea{background-color:#fff;border:1.5px solid #e2e8f0;color:var(--primary-text)}.light-theme .contact-form input:focus,.light-theme .contact-form textarea:focus{border-color:#4a90e2;box-shadow:0 4px 20px #4a90e21a}.light-theme .contact-form input::placeholder,.light-theme .contact-form textarea::placeholder{color:#a0aec0}.dark-theme .contact-form input,.dark-theme .contact-form textarea{background-color:#11111180;border:1px solid var(--border-color)}.contact-form textarea{min-height:clamp(150px,30vw,200px);resize:vertical}.contact-form button{padding:1rem 2rem;background-color:var(--accent-color);color:#fff;border:2px solid var(--accent-color);border-radius:8px;font-weight:600;letter-spacing:1px;text-transform:uppercase;font-size:.9rem;cursor:pointer;transition:all .3s ease;min-width:180px}.contact-form button:hover{background-color:transparent;color:var(--accent-color);transform:translateY(-2px);box-shadow:0 6px 20px var(--shadow-medium)}.contact-form button:disabled{opacity:.6;cursor:not-allowed;transform:none}.contact-form button.sending{background-color:var(--secondary-text);border-color:var(--secondary-text);color:#fff}.form-success-message{color:#10b981;font-size:.9rem;padding:.5rem;background-color:#10b9811a;border:1px solid rgba(16,185,129,.2);border-radius:6px;text-align:center}.form-error-message{color:#ef4444;font-size:.9rem;padding:.5rem;background-color:#ef44441a;border:1px solid rgba(239,68,68,.2);border-radius:6px;text-align:center}.light-theme .contact-form button{background:linear-gradient(135deg,#4a90e2,#357abd);border:2px solid #4a90e2;color:#fff;box-shadow:0 4px 15px #4a90e233}.light-theme .contact-form button:hover{background:transparent;color:#4a90e2;border-color:#4a90e2;box-shadow:0 6px 25px #4a90e24d}.light-theme .contact-form button.sending{background:#718096;border-color:#718096;color:#fff}.light-theme .form-success-message{background-color:#10b9810d;border-color:#10b98126}.light-theme .form-error-message{background-color:#ef44440d;border-color:#ef444426}.dark-theme .contact-form button{background-color:var(--primary-text);color:var(--primary-bg);border:2px solid var(--primary-text)}.dark-theme .contact-form button:hover{background-color:transparent;color:var(--primary-text)}@media (max-width: 900px){.contact-content{flex-direction:column;align-items:center}.contact-info,.contact-form{max-width:600px;width:100%}.contact-info{text-align:center;margin-left:15px}.social-links{justify-content:center;margin-right:20px}}@media (max-width: 768px){.contact-content{padding:0 1.5rem}.contact-form{padding:1.5rem}.contact-info h3{font-size:1.6rem}.contact-info p,.contact-form input,.contact-form textarea,.contact-form button{font-size:1rem}.contact-form .form-success-message,.contact-form .form-error-message{font-size:14px;padding:8px}}@media (max-width: 480px){.contact-content{padding:0 1rem}.contact-form{padding:1rem}.social-links{flex-wrap:wrap}.social-links a{font-size:.9rem;padding:.5rem 1rem}.contact-form button{font-size:.95rem}}.navbar{background:var(--primary-bg);border-bottom:1px solid var(--border-color);padding:0;position:sticky;top:0;z-index:1000;backdrop-filter:blur(8px)}.dark-theme .navbar{background:#000000f2;border-bottom:1px solid rgba(255,255,255,.08)}.light-theme .navbar{background:#fffffff2;border-bottom:1px solid rgba(0,0,0,.08);box-shadow:0 1px 3px #0000000d}.navbar-container{max-width:1200px;margin:0 auto;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center}.navbar-brand{display:flex;flex-direction:column;gap:.25rem;text-decoration:none}.brand-name{font-size:1.25rem;font-weight:600;color:var(--primary-text);letter-spacing:-.02em;line-height:1}.brand-title{font-size:.875rem;font-weight:400;color:var(--secondary-text);letter-spacing:.01em}.navbar-actions{display:flex;align-items:center;gap:.75rem}.nav-button{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.5rem .75rem;background:transparent;border:1px solid var(--border-color);border-radius:6px;color:var(--secondary-text);font-size:.875rem;font-weight:500;cursor:pointer;text-decoration:none;transition:all .2s ease}.nav-button:hover{color:var(--primary-text);border-color:var(--primary-text);background:var(--hover-color)}.language-btn{min-width:42px;font-weight:600;letter-spacing:.05em}.theme-btn{padding:.5rem;min-width:38px}.cv-btn{font-weight:600}.cv-text{display:inline}.dark-theme .nav-button{border-color:#ffffff26}.dark-theme .nav-button:hover{border-color:#ffffff4d;background:#ffffff0d}.light-theme .nav-button{border-color:#00000026}.light-theme .nav-button:hover{border-color:#0000004d;background:#00000008}@media (max-width: 768px){.navbar-container{padding:1rem 1.5rem}.brand-name{font-size:1.125rem}.brand-title{font-size:.8125rem}.navbar-actions{gap:.5rem}.nav-button{padding:.5rem .625rem}.cv-text{display:none}}@media (max-width: 480px){.navbar-container{padding:.875rem 1rem}.brand-name{font-size:1rem}.brand-title{font-size:.75rem}.navbar-actions{gap:.375rem}.nav-button{padding:.4rem .5rem;font-size:.8125rem}.theme-btn{padding:.4rem;min-width:34px}.language-btn{min-width:38px}}