html{scroll-snap-type:y mandatory;scroll-padding-top:56px}.container{width:min(1120px,calc(100% - 2.5rem));margin:0 auto;padding:0 20px}@media (max-width:640px){.container{width:100%}}.section{height:calc(100vh - 56px);min-height:calc(100vh - 56px);scroll-snap-align:start;scroll-snap-stop:always;display:flex;flex-direction:column;justify-content:flex-start;padding:clamp(40px,5.5vh,72px) 0;overflow:hidden;position:relative}.page-main{padding:0}.btn{display:inline-block;padding:12px 24px;background:linear-gradient(135deg,var(--secondary-color),var(--primary-color));color:#fff;border-radius:30px;font-weight:600;border:none;cursor:pointer;transition:transform var(--transition-speed),box-shadow var(--transition-speed)}.btn:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(228,87,46,0.25)}#header-placeholder{position:fixed;top:0;left:0;width:100%;z-index:1000;background:var(--panel-bg);backdrop-filter:blur(10px);border-bottom:1px solid var(--panel-border);box-shadow:var(--shadow-xs)}@media (hover:none),(pointer:coarse){#header-placeholder{backdrop-filter:none;background:var(--surface-color)}}#footer-placeholder{background-color:var(--surface-color);padding:40px 0;margin-top:auto}.portfolio-shell{display:flex;min-height:100vh;padding-left:var(--portfolio-sidebar-width);justify-content:center}.portfolio-sidebar{position:fixed;top:0;left:0;width:var(--portfolio-sidebar-width);height:100vh;padding:26px 20px;display:flex;flex-direction:column;gap:20px;overflow-y:auto;background:linear-gradient(180deg,var(--surface-color),var(--surface-soft));border-right:1px solid var(--panel-border);box-shadow:var(--shadow-xs);z-index:200}.portfolio-main{width:min(1200px,calc(100% - 2.4rem));min-width:0}@media (max-width:1024px){.portfolio-sidebar{display:none}.portfolio-shell{padding-left:0}body[data-page="home"] #header-placeholder{display:block}.page-main{padding-top:var(--header-height,60px)}}@media (min-width:1025px){body[data-page="home"] #header-placeholder{display:none}.section{scroll-margin-top:0}}@keyframes fadeIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn 0.8s ease-out forwards}.section .container{width:100%;max-width:none;padding:0;margin:0}.hero-section{display:flex;align-items:center;justify-content:center;text-align:center}.hero-section .container{height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:20px}.hero-title{font-size:clamp(2.4rem,4vw,3.4rem);font-weight:800;margin-bottom:0;line-height:1.1;color:var(--text-color)}.hero-title .highlight{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.hero-subtitle{font-size:clamp(1.1rem,1.6vw,1.4rem);color:var(--text-muted);margin-bottom:0;max-width:640px;margin-left:auto;margin-right:auto}.hero-buttons{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}.btn-outline{background:transparent;border:2px solid var(--primary-color);color:var(--primary-color)}.btn-outline:hover{background:var(--primary-color);color:#fff}.section-title{font-size:clamp(1.8rem,2.5vw,2.3rem);margin-bottom:0;text-align:left;position:relative}.section-title::after{content:'';display:block;width:60px;height:4px;background:var(--primary-color);margin:10px 0 0;border-radius:2px}.about-section{display:flex;flex-direction:column}.about-identity{display:flex;flex-direction:column;gap:8px}.about-role-label{display:inline-flex;align-items:center;width:fit-content;font-size:0.72rem;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;color:var(--primary-color);background:var(--accent-soft);padding:4px 12px;border-radius:999px;border:1px solid rgba(228,87,46,0.22)}.about-section .container{display:flex;flex-direction:column;gap:24px;flex:1;min-height:0}.about-subtitle{text-align:left;color:var(--text-muted);margin-bottom:40px;font-size:clamp(1rem,1.1vw,1.25rem)}.about-layout{display:grid;grid-template-columns:1fr 1fr;gap:32px;background:var(--panel-bg);border-radius:24px;border:1px solid var(--panel-border);padding:28px;align-items:stretch;box-shadow:var(--shadow-sm);position:relative;flex:1;min-height:0;overflow:hidden}.about-column{display:flex;flex-direction:column;gap:14px;height:auto}.about-bio{padding-left:0}.about-bio h3{font-size:1.9rem}.about-bio p{color:var(--text-muted);margin-bottom:20px}.bio-timeline{display:flex;flex-direction:row;gap:0;margin-top:12px;position:relative;padding-left:0}.bio-timeline::before{content:'';position:absolute;top:20px;left:20px;right:20px;height:2px;background:linear-gradient(to right,var(--primary-color),rgba(228,87,46,0.3));border-radius:1px;z-index:0}.timeline-item{flex:1;display:flex;flex-direction:column;align-items:flex-start;position:relative;z-index:1;padding-right:12px}.timeline-item:last-child{align-items:flex-end;padding-right:0;padding-left:12px}.timeline-marker{position:relative;left:auto;top:auto;width:40px;height:40px;border-radius:50%;background:var(--surface-color);border:2px solid var(--primary-color);z-index:1;display:flex;align-items:center;justify-content:center;color:var(--primary-color);flex-shrink:0;margin-bottom:14px;transition:all 0.3s ease;box-shadow:0 0 0 4px rgba(228,87,46,0.10)}.timeline-marker .material-symbols-rounded{font-size:18px}.timeline-item:hover .timeline-marker{background:var(--primary-color);color:#fff;box-shadow:0 0 0 4px rgba(228,87,46,0.18),0 0 12px rgba(228,87,46,0.35);transform:scale(1.1)}.timeline-content{display:flex;flex-direction:column;gap:5px;padding:0;background:none;border:none;border-radius:0;box-shadow:none;transition:none}.timeline-item:hover .timeline-content{border-color:transparent;transform:none}.timeline-period{font-size:0.75rem;color:var(--primary-color);font-weight:600;background:rgba(228,87,46,0.12);padding:2px 8px;border-radius:6px;display:inline-block;width:fit-content}.timeline-title{font-size:0.95rem;font-weight:700;color:var(--text-color);margin:0}.timeline-desc{font-size:0.85rem;color:var(--text-muted);margin:0 !important;line-height:1.5}.timeline-item:last-child .timeline-content{align-items:flex-end;text-align:right}.about-photo-card{display:flex;flex-direction:column;align-items:center;gap:16px}.profile-caption{text-align:center;color:var(--text-muted);font-size:0.9rem}.quick-links{display:flex;gap:12px;margin-top:6px}.quick-link{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--surface-color);border:1px solid var(--panel-border);color:var(--text-color);transition:transform var(--transition-speed),border-color var(--transition-speed),color var(--transition-speed)}.quick-link:hover{transform:translateY(-3px);border-color:var(--primary-color);color:var(--primary-color);box-shadow:var(--shadow-xs)}.quick-link .bi{font-size:1.1rem}.about-photo-wrapper{width:100%;height:auto;aspect-ratio:1 / 1;border-radius:50%;background:linear-gradient(145deg,rgba(228,87,46,0.3),rgba(245,158,11,0.25));padding:8px;display:flex;align-items:center;justify-content:center;margin:0 auto}.about-photo-wrapper img{width:100%;height:100%;border-radius:50%;object-fit:cover;border:3px solid rgba(255,255,255,0.9)}.dark .about-photo-wrapper img{border-color:rgba(255,255,255,0.22)}.about-skills h3{font-size:1.4rem;margin-bottom:12px}.tabs-container{display:flex;flex-direction:column;height:100%;min-height:320px;background:var(--surface-color);border:1px solid var(--panel-border);border-radius:24px;overflow:hidden;position:relative;box-shadow:var(--shadow-xs)}.tabs-header{display:flex;justify-content:center;gap:6px;padding:12px 16px;background:var(--surface-strong);border-bottom:1px solid var(--panel-border)}.tab-btn{background:transparent;border:none;color:var(--text-muted);padding:8px 16px;font-family:var(--font-main);font-weight:600;font-size:0.85rem;cursor:pointer;display:flex;align-items:center;gap:8px;border-radius:999px;transition:all 0.3s ease;margin:0;position:relative}.tab-btn:hover{color:var(--text-color);background:var(--surface-strong)}.tab-btn.active{background:var(--primary-color);color:#fff;box-shadow:0 10px 20px rgba(228,87,46,0.25)}.tab-btn .material-symbols-rounded{font-size:1.1rem}.tab-count{background:rgba(15,23,42,0.06);color:var(--text-muted);font-size:0.75rem;padding:2px 8px;border-radius:12px;margin-left:2px;transition:all 0.3s ease;font-weight:700}.dark .tab-count{background:rgba(255,255,255,0.12)}.tab-btn.active .tab-count{background:rgba(255,255,255,0.2);color:inherit}.tabs-content{background:transparent;border:none;border-radius:0;flex:1;position:relative;z-index:1;overflow:hidden;display:flex;flex-direction:column;box-shadow:none;min-height:0}.tab-pane{display:none;flex:1;overflow-y:auto;padding:24px;background:var(--surface-color)}.tab-pane.active{display:flex;flex-direction:column;animation:fadeInUp 0.4s cubic-bezier(0.2,0.8,0.2,1)}@keyframes fadeInUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.achievement-placeholder{color:var(--text-muted);font-size:0.95rem;text-align:center;margin-top:40px;font-style:italic;opacity:0.7}.tab-pane::-webkit-scrollbar{width:6px}.tab-pane::-webkit-scrollbar-thumb{background:rgba(15,23,42,0.2);border-radius:999px;border:2px solid var(--surface-color)}.dark .tab-pane::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.18)}.tab-pane::-webkit-scrollbar-track{background:transparent}.achievement-list{list-style:none;padding:0;margin:0 0 22px;display:flex;flex-direction:column;gap:12px}.achievement-list li,.achievement-item{display:flex;justify-content:space-between;align-items:center;position:relative;padding:16px 20px;border-radius:14px;background:var(--surface-color);border:1px solid var(--panel-border);transition:all 0.3s ease;margin-bottom:4px}.achievement-item:hover{transform:translateX(6px);border-color:rgba(228,87,46,0.2);box-shadow:inset 3px 0 0 var(--primary-color),var(--shadow-xs)}.achv-content{display:flex;align-items:center;gap:16px}.achv-icon{color:var(--primary-color);font-size:1.4rem;opacity:0.9;background:rgba(228,87,46,0.12);width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:10px;transition:transform 0.3s ease}.achievement-item:hover .achv-icon{transform:scale(1.1) rotate(5deg);background:rgba(228,87,46,0.18)}.achv-info{display:flex;flex-direction:column;gap:3px}.achv-title{font-weight:600;font-size:1rem;color:var(--text-color);letter-spacing:-0.01em}.achv-org{font-size:0.85rem;color:var(--text-muted)}.achv-year{font-size:0.8rem;color:var(--secondary-color);font-weight:700;white-space:nowrap;background:rgba(245,158,11,0.15);padding:2px 8px;border-radius:20px;border:1px solid rgba(245,158,11,0.2)}.achievement-list.compact{margin:0}.achievement-scroll::-webkit-scrollbar{width:4px}.achievement-scroll::-webkit-scrollbar-thumb{background:rgba(15,23,42,0.2);border-radius:999px}.dark .achievement-scroll::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.18)}.achievement-scroll::-webkit-scrollbar-track{background:transparent}@media (max-width:1100px){.about-layout{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:30px}.about-photo-card{grid-column:span 2;flex-direction:row;justify-content:center}.about-photo-wrapper{width:260px}}@media (max-width:768px){.hero-title{font-size:2.1rem}.hero-buttons{flex-direction:column;align-items:center;width:100%}.hero-buttons .btn{width:100%;text-align:center}.about-layout{grid-template-columns:1fr;padding:20px}.about-photo-card{flex-direction:column}}@media (max-width:900px){.section{height:calc(100vh - 56px);min-height:calc(100vh - 56px);padding:clamp(28px,4vh,48px) 0}}.page-header{margin-bottom:20px}.back-link{display:inline-flex;align-items:center;gap:8px;color:var(--text-muted);font-weight:500;transition:color var(--transition-speed)}.back-link:hover{color:var(--primary-color)}.back-arrow{font-size:1.2rem;transition:transform var(--transition-speed)}.back-link:hover .back-arrow{transform:translateX(-5px)}.section-subtitle{text-align:left;color:var(--text-muted);font-size:clamp(1rem,1.2vw,1.2rem);margin-top:-8px;margin-bottom:50px;max-width:600px}.contact-card{display:flex;flex-wrap:wrap;gap:16px;padding:24px;border-radius:20px;background:var(--surface-color);border:1px solid var(--panel-border);box-shadow:var(--shadow-xs)}.contact-link{display:inline-flex;align-items:center;gap:10px;padding:12px 16px;border-radius:12px;background:var(--surface-strong);border:1px solid var(--panel-border);color:var(--text-color);font-weight:600;transition:transform var(--transition-speed),box-shadow var(--transition-speed)}.contact-link:hover{transform:translateY(-2px);box-shadow:var(--shadow-xs)}.portfolio-shell{padding-top:56px;transition:padding-left 0.3s ease}.portfolio-sidebar{transition:transform 0.3s ease;z-index:1001;top:0;height:100vh;padding-top:26px}.portfolio-main{transition:width 0.3s ease}body.is-sidebar-closed .portfolio-sidebar{transform:translateX(-100%)}body.is-sidebar-closed .portfolio-shell{padding-left:0}.portfolio-main .container{transition:width 0.3s ease,max-width 0.3s ease}@media (max-width:1024px){.portfolio-sidebar{transform:translateX(-100%);display:flex}.portfolio-sidebar.is-open{transform:translateX(0)}.portfolio-shell{padding-left:0 !important}}