:root,html.light-mode{--font-primary:"Helvetica Neue",Arial,"Hiragino Kaku Gothic ProN","Hiragino Sans",Meiryo,sans-serif;--bg-color:#f8f9fa;--text-color:#212529;--text-secondary-color:#6c757d;--section-bg-alt:#fff;--navbar-bg:#ffffffeb;--navbar-bg-op:#2c3034d9;--navbar-text:#343a40;--navbar-shadow:0 2px 8px #00000014;--dropdown-bg:#fff;--dropdown-shadow:0 6px 16px #0000001f;--dropdown-item-hover-bg:#eef2f7;--card-bg:#fff;--card-shadow:0 7px 20px #28323c17;--accent-color:#007bff;--accent-color-darker:#0056b3;--accent-color-rgb:0,123,255;--accent-text-color:#fff;--link-color:var(--accent-color);--link-hover-color:var(--accent-color-darker);--theme-toggle-bg:#ced4da;--theme-toggle-slider:#fff;--theme-toggle-icon:#ffc107;--modal-bg:#000000a6;--modal-content-bg:#fff;--input-border-color:#ced4da;--input-focus-border-color:var(--accent-color);--skill-bar-bg:#e9ecef;--hr-color:#dee2e6}html.dark-mode{--bg-color:#212529;--text-color:#e9ecef;--text-secondary-color:#adb5bd;--section-bg-alt:#2c3034;--navbar-bg:#2c3034d9;--navbar-bg-op:#ffffffe6;--navbar-text:#e9ecef;--navbar-shadow:0 1px 5px #0000004d;--dropdown-bg:#2c3034;--dropdown-shadow:0 4px 12px #0006;--dropdown-item-hover-bg:#3e444a;--card-bg:#2c3034;--card-shadow:0 5px 15px #0000004d;--accent-color:#c1d5e9;--accent-color-darker:#a8c1da;--accent-text-color:#121212;--link-color:var(--accent-color);--link-hover-color:var(--accent-color-darker);--theme-toggle-bg:#555;--theme-toggle-slider:#333;--theme-toggle-icon:#82c91e;--modal-bg:#0009;--modal-content-bg:#2c3034;--input-border-color:#495057;--input-focus-border-color:var(--accent-color);--skill-bar-bg:#3e444a;--hr-color:#495057;--light-track-bg:#87ceeb;--light-knob-bg:gold;--light-icon-color:#333;--dark-track-bg:#2c3e50;--dark-knob-bg:#d4d4d4;--dark-icon-color:#333;--knob-size:22px;--track-height:28px;--track-width:54px;--track-padding:3px}*{box-sizing:border-box;margin:0;padding:0}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}html{scroll-behavior:auto;font-size:16px}body{font-family:var(--font-primary);background-color:var(--bg-color);color:var(--text-color);line-height:1.7;transition:background-color .2s,color .2s;overflow-x:hidden}.container{width:90%;max-width:1140px;margin:0 auto;padding:0 15px}.content-box{max-width:750px;margin-left:auto;margin-right:auto}.navbar{background-color:var(--navbar-bg);-webkit-backdrop-filter:blur(10px);z-index:1000;width:100%;box-shadow:var(--navbar-shadow);padding:.75rem 0;transition:background-color .2s,box-shadow .2s,padding .2s;position:fixed;top:0;left:0}.navbar.scrolled{padding:.5rem 0}.navbar-container{justify-content:space-between;align-items:center;display:flex}.nav-logo a{color:var(--navbar-text);align-items:center;font-size:1.5rem;font-weight:600;text-decoration:none;transition:color .2s;display:flex}.nav-logo a:hover{color:var(--accent-color)}.nav-logo img{height:44px;margin-right:.8rem}html.dark-mode .nav-logo img#logoImage{filter:invert(.1)sepia(.2)saturate(5)hue-rotate(120deg)brightness(1.5)}.nav-menu{align-items:center;list-style:none;display:flex}.nav-item{margin-left:1.5rem;position:relative}.nav-link{color:var(--navbar-text);padding:.6rem .2rem;font-size:.95rem;font-weight:500;text-decoration:none;transition:color .2s;display:block;position:relative}.nav-link:hover,.nav-link.active{color:var(--accent-color)}.nav-link.active:before{content:"";background-image:linear-gradient(90deg,var(--accent-color-darker),var(--accent-color));background-color:var(--accent-color);border-radius:1px;width:100%;height:2px;animation:.3s ease-out growUnderline;position:absolute;bottom:.2rem;left:0}@keyframes growUnderline{0%{width:0}to{width:100%}}.nav-item.has-dropdown>.nav-link:after{content:" ▾";margin-left:.2em;font-size:.8em;display:inline-block}.dropdown-menu{visibility:hidden;opacity:0;background-color:var(--dropdown-bg);box-shadow:var(--dropdown-shadow);z-index:1001;border-radius:8px;min-width:180px;padding:.5rem 0;list-style:none;transition:opacity .25s,transform .25s,visibility 0s linear .25s;position:absolute;top:100%;left:0;transform:translateY(8px)}.nav-item.has-dropdown:hover .dropdown-menu,.nav-item.has-dropdown:focus-within .dropdown-menu{visibility:visible;opacity:1;transition-delay:0s;transform:translateY(0)}.dropdown-menu li{width:100%}.dropdown-link{color:var(--navbar-text);padding:.6rem 1.2rem;font-size:.9rem;text-decoration:none;transition:background-color .2s,color .2s;display:block}.dropdown-link:hover{background-color:var(--dropdown-item-hover-bg);color:var(--accent-color)}.nav-controls{align-items:center;gap:1rem;display:flex}.language-toggle-button{color:var(--navbar-text);border:1.5px solid var(--hr-color);cursor:pointer;white-space:nowrap;text-align:center;-webkit-tap-highlight-color:transparent;background:0 0;border-radius:8px;min-width:75px;padding:.45rem .9rem;font-size:.875rem;font-weight:600;transition:color .2s,background-color .2s,border-color .2s,box-shadow .2s,transform .15s}.language-toggle-button:hover{color:var(--accent-text-color);background-color:var(--accent-color);border-color:var(--accent-color);box-shadow:0 3px 8px rgba(var(--accent-color-rgb),.25);transform:translateY(-1px)}.language-toggle-button:active{box-shadow:0 1px 3px rgba(var(--accent-color-rgb),.2);transform:translateY(0)}html.dark-mode .language-toggle-button{color:var(--text-color);border-color:#fff3}html.dark-mode .language-toggle-button:hover{color:var(--accent-text-color);background-color:var(--accent-color);border-color:var(--accent-color);box-shadow:0 3px 8px rgba(var(--accent-color-rgb),.3)}.theme-toggle-switch{flex-shrink:0;align-items:center;width:50px;height:26px;display:inline-flex;position:relative}.theme-toggle-switch input{opacity:0;width:0;height:0;position:absolute}.theme-toggle-switch .slider{cursor:pointer;background-color:var(--theme-toggle-bg);border-radius:26px;transition:background-color .3s;position:absolute;inset:0}.theme-toggle-switch .slider:before{content:"";background-color:#fff;border-radius:50%;width:20px;height:20px;transition:transform .3s cubic-bezier(.4,0,.2,1);position:absolute;bottom:3px;left:3px;box-shadow:0 1px 3px #0003}html.dark-mode .theme-toggle-switch .slider{background-color:var(--accent-color)}html.dark-mode .theme-toggle-switch .slider:before{transform:translate(24px)}.theme-toggle-switch input:checked+.slider{background-color:var(--accent-color)}.theme-toggle-switch input:checked+.slider:before{transform:translate(24px)}.theme-toggle-switch input:focus-visible+.slider{box-shadow:0 0 0 3px rgba(var(--accent-color-rgb),.3)}.theme-toggle-switch:hover .slider:before{box-shadow:0 2px 5px #00000040}.nav-item-mobile-control{width:100%;color:var(--text-color);justify-content:space-between;align-items:center;gap:1rem;font-size:.95rem;font-weight:500;display:none}.nav-item-mobile-control .language-toggle-button,.nav-item-mobile-control .theme-toggle-switch{flex-shrink:0}.full-viewport{min-height:100vh}main>section{text-align:center;opacity:0;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:60px 20px;transition:opacity .8s cubic-bezier(.165,.84,.44,1),transform .8s cubic-bezier(.165,.84,.44,1);display:flex;transform:translateY(30px)}main>section:first-child,main>section.visible{opacity:1;transform:translateY(0)}main>section:nth-child(2n){background-color:var(--section-bg-alt)}.section-title{color:var(--text-color);margin-bottom:3rem;padding-bottom:.8rem;font-size:clamp(2.2rem,5vw,3rem);font-weight:700;position:relative}.section-title:after{content:"";background-image:linear-gradient(90deg,var(--accent-color-darker)0%,var(--accent-color)100%);background-color:var(--accent-color);border-radius:2px;width:80px;height:4px;position:absolute;bottom:0;left:50%;transform:translate(-50%)}.section-intro{max-width:700px;color:var(--text-secondary-color);margin:0 auto 2.5rem;font-size:1.1rem}#home{background:var(--bg-color);color:var(--text-color);text-align:center;flex-direction:column;justify-content:center;align-items:center;display:flex}.home-hero-content{width:100%}.home-hero-heading{color:var(--text-color);white-space:nowrap;letter-spacing:-1px;margin-bottom:.75rem;font-size:clamp(3rem,8vw,5.5rem);font-weight:700;animation:.8s ease-out fadeInDown}.home-hero-subtitle{max-width:750px;color:var(--text-secondary-color);opacity:1;text-align:center;margin:0 auto 3rem;font-size:clamp(1.2rem,4vw,1.8rem);animation:.8s ease-out .2s backwards fadeInUp}#home h1{color:var(--text-color);white-space:nowrap;letter-spacing:-1px;margin-bottom:.75rem;font-size:clamp(3rem,8vw,5.5rem);font-weight:700;animation:.8s ease-out fadeInDown}#home .subtitle{max-width:750px;color:var(--text-secondary-color);opacity:1;margin-bottom:3rem;font-size:clamp(1.2rem,4vw,1.8rem);animation:.8s ease-out .2s backwards fadeInUp}#home .home-name-highlight{background-image:linear-gradient(90deg,var(--accent-color-darker),var(--accent-color));color:#0000;font-weight:inherit;font-size:inherit;-webkit-background-clip:text;background-clip:text}.ja-name-suffix{white-space:nowrap;display:inline}.home-name-japanese{display:none}.home-name-english{white-space:nowrap;display:inline}.scroll-down-arrow{color:var(--text-secondary-color);cursor:pointer;font-size:2.2rem;animation:2.5s infinite bounce;position:absolute;bottom:30px;left:50%;transform:translate(-50%)}.scroll-down-arrow svg{stroke:currentColor}#about-me .profile-image{object-fit:cover;border:6px solid var(--card-bg);outline:2px solid var(--accent-color);width:180px;height:180px;box-shadow:0 0 25px rgba(var(--accent-color-rgb),.3);border-radius:50%;margin-bottom:2rem}.profile-description p,#about-site .content-box p{margin-bottom:1.2rem;font-size:1.05rem;line-height:1.8}.profile-links{margin-top:2rem}.profile-links a{color:var(--link-color);margin:0 .8rem;font-weight:500;text-decoration:none;transition:color .2s,-webkit-text-decoration .2s,text-decoration .2s}.profile-links a:hover{color:var(--link-hover-color);text-decoration:underline}#skills .skills-container{flex-wrap:wrap;justify-content:center;gap:2.5rem;width:100%;display:flex}.skill-category{background-color:var(--card-bg);box-shadow:var(--card-shadow);text-align:left;border-radius:12px;flex:1;min-width:300px;max-width:360px;padding:2rem;transition:transform .2s,box-shadow .2s}.skill-category:hover{transform:translateY(-4px);box-shadow:0 10px 25px #28323c1f}.skill-category h3{color:var(--accent-color);text-align:center;margin-bottom:1.5rem;font-size:1.7rem;font-weight:600}.skill-list li{margin-bottom:1.1rem;font-size:1rem;list-style:none}.skill-name{margin-bottom:.4rem;font-weight:500;display:block}.skill-bar-container{background-color:var(--skill-bar-bg);border-radius:6px;width:100%;height:14px;overflow:hidden}.skill-bar{background-image:linear-gradient(90deg,var(--accent-color-darker)0%,var(--accent-color)100%);background-color:var(--skill-bar-fill);border-radius:6px;height:100%;transition:width .9s ease-in-out;display:block}.skills-legend{color:var(--text-secondary-color);text-align:left;background-color:var(--section-bg-alt);border:1px solid var(--hr-color);border-radius:8px;max-width:750px;margin-top:3rem;padding:1.2rem;font-size:.9rem}.skills-legend p{margin-bottom:.6rem}.skills-legend a.text-link{color:var(--link-color);font-weight:500;text-decoration:none}.skills-legend a.text-link:hover{color:var(--link-hover-color);text-decoration:underline}.portfolio-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:2.5rem;width:100%;display:grid}.portfolio-card{background-color:var(--card-bg);box-shadow:var(--card-shadow);cursor:pointer;-webkit-tap-highlight-color:transparent;border:none;border-radius:12px;outline:none;flex-direction:column;transition:transform .2s cubic-bezier(.175,.885,.32,1.275),box-shadow .2s;display:flex;overflow:hidden}.portfolio-card:focus{outline:none}.portfolio-card:focus-visible{outline:2px solid var(--accent-color);outline-offset:2px}.portfolio-card:hover{transform:translateY(-6px)scale(1.015);box-shadow:0 12px 30px #28323c26}.portfolio-card:active{box-shadow:var(--card-shadow);transition:transform .1s,box-shadow .1s;transform:translateY(-2px)scale(.98)}html.dark-mode .portfolio-card:hover{box-shadow:0 10px 25px #0006}html.dark-mode .portfolio-card:active{box-shadow:0 4px 12px #0000004d}.portfolio-image-wrapper{background:var(--skill-bar-bg);width:100%;height:230px;position:relative;overflow:hidden}.portfolio-image-wrapper:before{content:"";border:3px solid var(--hr-color);border-top-color:var(--accent-color);z-index:1;opacity:1;border-radius:50%;width:28px;height:28px;margin:-14px 0 0 -14px;transition:opacity .15s ease-out;animation:.7s linear infinite spin;position:absolute;top:50%;left:50%}.portfolio-image-wrapper.loaded:before{opacity:0}@keyframes spin{to{transform:rotate(360deg)}}.portfolio-image{object-fit:cover;opacity:0;z-index:2;background:0 0;border-bottom:none;width:100%;height:100%;transition:opacity .15s ease-out;position:absolute;top:0;left:0}.portfolio-image.loaded{opacity:1}.portfolio-info{text-align:left;flex-grow:1;padding:1.5rem}.portfolio-info h3{color:var(--accent-color);margin-bottom:.75rem;font-size:1.5rem;font-weight:600}.portfolio-info p.short-desc{color:var(--text-secondary-color);font-size:1rem;line-height:1.6}.modal{z-index:2000;background-color:var(--modal-bg);opacity:0;justify-content:center;align-items:center;width:100%;height:100%;transition:opacity .1s ease-out;display:none;position:fixed;top:0;left:0;overflow:auto}.modal.active{opacity:1;display:flex}.modal-content{background-color:var(--modal-content-bg);opacity:0;border-radius:10px;flex-direction:column;width:90%;max-width:800px;max-height:90vh;margin:auto;animation:none;display:flex;position:relative;transform:scale(.9);box-shadow:0 15px 40px #00000040}.modal.active .modal-content{animation:.15s cubic-bezier(.2,0,.2,1) forwards modalPopIn}@keyframes modalPopIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.modal-scrollable-area{flex-grow:1;padding:50px 30px 30px;overflow-y:auto}.modal-close{background-color:var(--card-bg);z-index:10;cursor:pointer;width:36px;height:36px;color:var(--text-secondary-color);border:none;border-radius:50%;outline:none;justify-content:center;align-items:center;transition:color .15s,transform .15s,background-color .15s,box-shadow .15s;display:flex;position:absolute;top:12px;right:12px;box-shadow:0 2px 8px #00000026}.modal-close:hover{color:var(--accent-color);transform:scale(1.1);box-shadow:0 4px 12px #0003}.modal-close:active{transform:scale(.95);box-shadow:0 1px 4px #0000001a}.modal-close:focus-visible{outline:2px solid var(--accent-color);outline-offset:2px}.modal-close:focus:not(:focus-visible){outline:none;box-shadow:0 2px 8px #00000026}.modal-close svg{width:18px;height:18px}html.dark-mode .modal-close{background-color:var(--card-bg);box-shadow:0 2px 8px #0000004d}html.dark-mode .modal-close:hover{box-shadow:0 4px 12px #0006}.modal-content h2{color:var(--accent-color);margin-top:0;margin-bottom:1.5rem;font-size:2rem;font-weight:600}.modal-image-wrapper{aspect-ratio:4/3;background:var(--skill-bar-bg);border:1px solid var(--hr-color);border-radius:8px;width:100%;max-height:500px;margin:0 auto 1.5rem;position:relative;overflow:hidden}.modal-image-wrapper:before{content:"";border:3px solid var(--hr-color);border-top-color:var(--accent-color);z-index:1;opacity:1;border-radius:50%;width:36px;height:36px;margin:-18px 0 0 -18px;transition:opacity .15s ease-out;animation:.7s linear infinite spin;position:absolute;top:50%;left:50%}.modal-image-wrapper.loaded:before{opacity:0}.modal-image-main{object-fit:contain;opacity:0;z-index:2;background:0 0;border-radius:8px;width:100%;height:100%;transition:opacity .15s ease-out;position:absolute;top:0;left:0}.modal-image-main.loaded{opacity:1}.modal-splide-carousel{aspect-ratio:4/3;background:var(--skill-bar-bg);outline:1px solid var(--hr-color);outline-offset:-1px;border:none;border-radius:8px;width:100%;margin:0 0 1.5rem;position:relative;overflow:hidden}.modal-splide-carousel .splide__track{cursor:grab;height:100%;overflow:hidden}.modal-splide-carousel .splide__track:active{cursor:grabbing}.modal-splide-carousel .splide__list,.modal-splide-carousel .splide__slide{height:100%}.modal-carousel-slide{flex:0 0 100%;justify-content:center;align-items:center;width:100%;min-width:100%;height:100%;display:flex;position:relative;transform:translateZ(0)}.modal-carousel-slide .modal-image-main{object-fit:contain;opacity:1;width:100%;height:100%;position:relative}.modal-carousel-slide .modal-main-video{border:none;border-radius:0;max-width:100%;max-height:100%;margin:0}.modal-nav-button{cursor:pointer;color:#fff;opacity:0;z-index:5;-webkit-tap-highlight-color:transparent;background-color:#00000080;border:none;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;transition:opacity .2s,background-color .2s,transform .15s;display:flex;position:absolute;top:50%;transform:translateY(-50%)}.modal-nav-button svg{width:20px;height:20px}.modal-nav-button:hover{background-color:#000000b3;transform:translateY(-50%)scale(1.1)}.modal-nav-button:active{transform:translateY(-50%)scale(.95)}.modal-nav-prev{left:10px}.modal-nav-next{right:10px}.modal-image-wrapper:hover .modal-nav-button,.modal-splide-carousel:hover .modal-nav-button{opacity:1}@media (hover:none) and (pointer:coarse){.modal-splide-carousel .modal-nav-button,.modal-image-wrapper .modal-nav-button{display:none!important}}.modal-image-gallery{-webkit-overflow-scrolling:touch;scrollbar-width:thin;scrollbar-color:var(--hr-color)transparent;flex-wrap:nowrap;gap:10px;margin-bottom:1.5rem;padding-bottom:12px;display:flex;overflow:auto hidden}.modal-image-gallery::-webkit-scrollbar{height:6px}.modal-image-gallery::-webkit-scrollbar-track{background:0 0}.modal-image-gallery::-webkit-scrollbar-thumb{background-color:var(--hr-color);border-radius:3px}.thumbnail-button{cursor:pointer;-webkit-tap-highlight-color:transparent;opacity:.6;background:0 0;border:none;border-radius:6px;outline:none;flex-shrink:0;width:80px;min-width:80px;height:80px;min-height:80px;padding:0;transition:opacity .15s;position:relative;overflow:hidden}.thumbnail-button:focus{outline:none}.thumbnail-button:focus-visible{outline:2px solid var(--accent-color);outline-offset:2px}.thumbnail-button.active{opacity:1}.modal-image-gallery img{object-fit:cover;cursor:pointer;aspect-ratio:1;border:3px solid #0000;border-radius:6px;flex-shrink:0;width:80px;min-width:80px;height:80px;min-height:80px;transition:border-color .15s;display:block}.modal-image-gallery img.active,.thumbnail-button.active img{border-color:var(--accent-color)}.thumbnail-loading-spinner{z-index:1;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.thumbnail-loading-spinner .spinner{border:2px solid var(--hr-color);border-top-color:var(--accent-color);border-radius:50%;width:24px;height:24px;animation:.8s linear infinite spin}.modal-image-gallery img:not(.loaded){opacity:0}.modal-image-gallery img.loaded{opacity:1;transition:opacity .3s}.modal-description{text-align:left;margin-bottom:2rem;font-size:1.05rem;line-height:1.8}.modal-description p{margin-bottom:1rem}.modal-skills{text-align:left;color:var(--text-secondary-color);margin-bottom:1.5rem;font-size:.95rem}.modal-skills strong{color:var(--text-color);font-weight:600}.modal-links{text-align:left;margin-top:2rem}.modal-links a{color:var(--accent-color);border:2px solid var(--accent-color);border-radius:6px;margin-bottom:.75rem;margin-right:1rem;padding:.7rem 1.4rem;font-weight:500;text-decoration:none;transition:background-color .2s,color .2s,transform .15s,box-shadow .2s;display:inline-block}.modal-links a:hover{background-color:var(--accent-color);color:var(--accent-text-color);box-shadow:0 4px 10px rgba(var(--accent-color-rgb),.3);transform:translateY(-2px)}.modal-links a:active{box-shadow:none;transform:translateY(0)}.video-thumbnail{cursor:pointer;aspect-ratio:1;border:3px solid #0000;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:80px;min-width:80px;height:80px;min-height:80px;display:flex;position:relative;overflow:hidden}.thumbnail-button.video-thumbnail.active,.video-thumbnail.active{border-color:var(--accent-color)}.video-thumbnail .thumbnail-img{object-fit:cover;border:none;width:100%;height:100%}.play-icon{background-color:#0000004d;justify-content:center;align-items:center;width:100%;height:100%;transition:background-color .15s;display:flex;position:absolute;top:0;left:0}.thumbnail-button:hover .play-icon{background-color:#00000080}.play-icon svg{color:#fff;filter:drop-shadow(0 0 2px #00000080);width:24px;height:24px}.modal-main-video{border:1px solid var(--hr-color);border-radius:8px;max-width:100%;max-height:70vh;margin:0 auto 1.5rem;display:block}.contact-form{text-align:left;width:100%;max-width:700px;margin:0 auto}.form-group{margin-bottom:1.75rem}.form-group label{margin-bottom:.6rem;font-size:1rem;font-weight:600;display:block}.form-group input,.form-group textarea{border:1px solid var(--input-border-color);background-color:var(--card-bg);width:100%;color:var(--text-color);border-radius:8px;padding:.9rem 1.1rem;font-family:inherit;font-size:1rem;transition:border-color .2s,box-shadow .2s}html.dark-mode .form-group input,html.dark-mode .form-group textarea{background-color:var(--section-bg-alt)}.form-group input:focus,.form-group textarea:focus{border-color:var(--input-focus-border-color);box-shadow:0 0 0 .2rem rgba(var(--accent-color-rgb),.25);outline:none}.form-group textarea{resize:vertical;min-height:150px}.submit-btn{background-image:linear-gradient(135deg,var(--accent-color)0%,var(--accent-color-darker)100%);background-color:var(--accent-color);color:var(--accent-text-color);cursor:pointer;box-shadow:0 4px 12px rgba(var(--accent-color-rgb),.25);background-position:0 0;background-size:200%;border:none;border-radius:8px;padding:.9rem 2rem;font-size:1.1rem;font-weight:600;transition:background-image .3s,transform .15s,box-shadow .2s,background-position .3s;display:inline-block}.submit-btn:hover{box-shadow:0 6px 15px rgba(var(--accent-color-rgb),.35);background-position:100% 0;transform:translateY(-3px)}.submit-btn:active{box-shadow:0 2px 5px rgba(var(--accent-color-rgb),.2);transform:translateY(0)}.form-group input.error,.form-group textarea.error{border-color:#dc3545;box-shadow:0 0 0 .2rem #dc354540}html.dark-mode .form-group input.error,html.dark-mode .form-group textarea.error{border-color:#e57373;box-shadow:0 0 0 .2rem #e573734d}.error-message{color:#dc3545;min-height:1em;margin-top:.35rem;font-size:.875rem}html.dark-mode .error-message{color:#e57373}.error-message:not(:empty){display:block}.error-message:empty{display:none}footer{background-color:var(--section-bg-alt);color:var(--text-secondary-color);border-top:1px solid var(--hr-color);margin-top:4rem;padding:2rem 0;font-size:.9rem}footer p{text-align:center}.footer-disclaimer{margin-top:.5rem;font-size:.8rem}.hamburger{cursor:pointer;-webkit-tap-highlight-color:transparent;z-index:1010;-webkit-user-select:none;user-select:none;touch-action:manipulation;background:0 0;border:none;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;width:44px;height:44px;margin-left:.5rem;padding:10px;transition:background-color .2s;display:none;position:relative}.hamburger:hover{background-color:#8080801a}.hamburger:active{background-color:#80808033}.hamburger span{background-color:var(--navbar-text);transform-origin:50%;border-radius:2px;width:22px;height:2.5px;margin-bottom:5px;transition:all .35s cubic-bezier(.68,-.15,.27,1.15);display:block}.hamburger span:last-child{margin-bottom:0}.hamburger.active span:first-child{transform:rotate(45deg)translate(5.5px,5.5px)}.hamburger.active span:nth-child(2){opacity:0;transform:scaleX(0)}.hamburger.active span:nth-child(3){transform:rotate(-45deg)translate(5.5px,-5.5px)}#profile .profile-timeline-container{max-width:850px;margin:2rem auto 0;padding:30px 0;position:relative}#profile .profile-timeline-container:before{content:"";background-color:var(--hr-color);z-index:1;width:3px;position:absolute;top:0;bottom:0;left:120px}.profile-timeline-item{opacity:0;margin-bottom:50px;transition:opacity .6s cubic-bezier(.165,.84,.44,1),transform .6s cubic-bezier(.165,.84,.44,1);display:flex;position:relative;transform:translateY(30px)}.profile-timeline-item.visible{opacity:1;transform:translateY(0)}.profile-timeline-item:last-child{margin-bottom:0}.profile-timeline-item .timeline-meta{text-align:right;z-index:2;flex-shrink:0;flex-basis:120px;padding-top:5px;padding-right:40px;position:relative}.timeline-meta-mobile{display:none}.profile-timeline-item .timeline-year{color:var(--text-secondary-color);word-break:keep-all;text-align:center;width:90px;font-size:.9rem;font-weight:600;line-height:1.3;display:block}.profile-timeline-item .timeline-meta:after{content:"";background-color:var(--bg-color);border:3px solid var(--accent-color);z-index:3;border-radius:50%;width:10px;height:10px;position:absolute;top:10px;right:-34.5px}.profile-timeline-item .timeline-content-wrapper{flex-grow:1;align-items:flex-start;gap:20px;padding-left:50px;display:flex}.profile-timeline-item .timeline-image{object-fit:cover;border:4px solid var(--card-bg);border-radius:50%;flex-shrink:0;width:90px;height:90px;margin-top:5px;box-shadow:0 3px 10px #0000001f}html.dark-mode .profile-timeline-item .timeline-image{box-shadow:0 3px 10px #00000059}.profile-timeline-item .timeline-text-block{background-color:var(--card-bg);box-shadow:var(--card-shadow);border-radius:8px;flex-grow:1;padding:1.2rem 1.5rem}.profile-timeline-item .timeline-title{color:var(--text-color);margin-bottom:.6rem;font-size:1.15rem;font-weight:600}.profile-timeline-item .timeline-description{color:var(--text-secondary-color);font-size:.9rem;line-height:1.7}.toast{background-color:var(--accent-color);color:var(--accent-text-color);z-index:9999;opacity:0;visibility:hidden;text-align:center;border-radius:8px;min-width:250px;max-width:90%;padding:12px 20px;font-size:.95rem;transition:opacity .3s,transform .3s,visibility 0s linear .3s;position:fixed;bottom:30px;left:50%;transform:translate(-50%)translateY(100px);box-shadow:0 4px 12px #00000026}.toast.show{opacity:1;visibility:visible;transition-delay:0s;transform:translate(-50%)translateY(0)}html.dark-mode .toast{box-shadow:0 4px 12px #0000004d}.toast.error{color:#fff;background-color:#dc3545}html.dark-mode .toast.error{background-color:#d32f2f}@media (max-width:768px){.modal-scrollable-area{padding:55px 20px 20px}.timeline-meta-mobile{flex-direction:row-reverse;justify-content:flex-end;align-items:center;width:100%;display:flex}.timeline-meta-desktop{display:none}#profile .profile-timeline-container:before{left:-12px}.profile-timeline-item{padding-left:30px}.profile-timeline-item .timeline-meta{position:absolute;left:50px}.profile-timeline-item .timeline-meta:after{display:none}.profile-timeline-item:before{content:"";background-color:var(--bg-color);border:3px solid var(--accent-color);z-index:3;border-radius:50%;width:10px;height:10px;position:absolute;top:15px;left:4.5px}.profile-timeline-item .timeline-content-wrapper{flex-direction:column;gap:15px;padding-left:15px}.profile-timeline-item .timeline-image{width:90px;height:90px}.profile-timeline-item .timeline-text-block{width:100%;padding:1rem}.profile-timeline-item .timeline-title{font-size:1.05rem}.profile-timeline-item .timeline-description{font-size:.85rem}}@media (max-width:480px){#profile .profile-timeline-container:before{left:-16px}.timeline-meta-mobile{flex-direction:row;justify-content:space-around;align-items:center;width:100%;display:flex}.timeline-meta-desktop{display:none}.profile-timeline-item{padding-left:25px}.profile-timeline-item:before{top:28px}.profile-timeline-item .timeline-content-wrapper{padding-left:10px}.profile-timeline-item .timeline-image{width:80px;height:80px}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-25px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(25px)}to{opacity:1;transform:translateY(0)}}@keyframes 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span{color:var(--text-color);font-weight:500}.nav-menu.active>li:last-child.nav-item-mobile-control{border-bottom:none;border-radius:0 0 12px 12px}.nav-menu{visibility:hidden;pointer-events:none;background-color:var(--card-bg);border:1px solid var(--hr-color);opacity:0;transform-origin:100% 0;z-index:1001;border-radius:12px;flex-direction:column;width:calc(100% - 24px);max-width:400px;max-height:0;padding:0;transition:opacity .25s,transform .25s cubic-bezier(.4,0,.2,1),max-height .3s ease-out,visibility 0s linear .25s;display:flex;position:absolute;top:calc(100% + 8px);left:auto;right:12px;overflow:hidden;transform:translateY(-10px)scale(.98);box-shadow:0 10px 40px #00000026,0 4px 12px #0000001a}html.dark-mode .nav-menu{border-color:#ffffff1a;box-shadow:0 10px 40px #0006,0 4px 12px #0000004d}.nav-menu.active{visibility:visible;pointer-events:auto;opacity:1;max-height:calc(100vh - 100px);transition:opacity .25s,transform .25s cubic-bezier(.4,0,.2,1),max-height .3s ease-out,visibility;overflow-y:auto;transform:translateY(0)scale(1)}.nav-item{width:100%;margin:0}.nav-link,.dropdown-link{text-align:left;border-bottom:1px solid var(--hr-color);align-items:center;width:100%;min-height:52px;padding:1rem 1.5rem;font-size:1rem;font-weight:500;transition:background-color .15s,color .15s;display:flex}.nav-link:hover,.dropdown-link:hover{background-color:var(--dropdown-item-hover-bg)}.nav-link:active,.dropdown-link:active{background-color:rgba(var(--accent-color-rgb),.1)}.nav-menu.active>li:first-child>.nav-link{border-radius:12px 12px 0 0}.nav-menu.active>li:last-child>.nav-link,.nav-menu.active>li.has-dropdown:last-child .dropdown-menu li:last-child .dropdown-link{border-bottom:none}.nav-menu.active>li:has(+.nav-item-mobile-control)>.nav-link{border-bottom:none}.nav-menu.active>li.has-dropdown:has(+.nav-item-mobile-control) .dropdown-menu li:last-child .dropdown-link{border-bottom:none}.mobile-menu-overlay{z-index:999;pointer-events:none;cursor:default;background-color:#0000;border:none;outline:none;width:100%;height:100vh;transition:background-color .25s;display:none;position:fixed;top:0;left:0}.mobile-menu-overlay.active{pointer-events:auto;cursor:pointer;background-color:#00000080;display:block}html.dark-mode .mobile-menu-overlay.active{background-color:#0009}.nav-link.active:before,.nav-item.has-dropdown>.nav-link:after{display:none}.dropdown-menu{box-shadow:none;opacity:1;visibility:visible;background-color:#0000;border-top:none;border-radius:0;max-height:none;margin-top:0;padding:0;transition:none;position:static;overflow:visible;transform:none}.dropdown-menu li a.dropdown-link{border-bottom:1px solid var(--hr-color);background-color:#00000008;min-height:48px;padding-left:2.5rem;font-size:.95rem;position:relative}.dropdown-menu li a.dropdown-link:before{content:"";background-color:var(--text-secondary-color);opacity:.5;border-radius:50%;width:6px;height:6px;position:absolute;top:50%;left:1.25rem;transform:translateY(-50%)}.dropdown-menu li:last-child a.dropdown-link{border-bottom:none}html.dark-mode .dropdown-menu li a.dropdown-link{background-color:#ffffff08}.hamburger{display:flex}.section-title{margin-bottom:2rem;font-size:2rem}main>section{padding-top:100px}.portfolio-grid{grid-template-columns:1fr;gap:2rem}.skills-container{flex-direction:column;align-items:center;gap:2rem}.skill-category{min-width:90%;max-width:90%}#home h1{font-size:clamp(2.5rem,10vw,4rem)}#home .subtitle{font-size:clamp(1.1rem,5vw,1.5rem)}}.not-found-section{justify-content:center;align-items:center;min-height:100vh;padding:2rem 0;display:flex}.not-found-content{text-align:center;max-width:800px;margin:0 auto}.not-found-title{color:var(--accent-color);margin-bottom:1rem;font-size:clamp(.75rem,8vw,6rem);font-weight:700;line-height:1.2}.not-found-title>span{white-space:nowrap;display:inline-block}.not-found-message{color:var(--text-secondary-color);word-break:keep-all;overflow-wrap:break-word;line-break:loose;margin-bottom:2rem;font-size:clamp(.625rem,3vw,1.5rem);line-height:1.6}.not-found-link{background-color:var(--accent-color);color:var(--bg-color);border-radius:8px;padding:1rem 2rem;font-size:clamp(.75rem,2.5vw,1.1rem);font-weight:600;text-decoration:none;transition:background-color .3s,transform .2s;display:inline-block}.not-found-link:hover{background-color:var(--accent-hover);transform:translateY(-2px)}.not-found-link:active{transform:translateY(0)}@media (max-width:768px){.not-found-section{padding:1rem}.not-found-content{padding:0 1rem}.not-found-link{padding:.875rem 1.75rem}}