:root{--bg: #ffffff;--card-bg: #ffffff;--text-main: #0f172a;--text-secondary: #64748b;--border: rgba(15,23,42,.06);--shadow: 0 10px 28px rgba(15,23,42,.08);--primary: #4f46e5;--primary-soft: rgba(79,70,229,.12);--primary-soft-2: rgba(79,70,229,.18);--surface: rgba(15,23,42,.04)}.dark{--bg: #0f172a;--card-bg: #1e293b;--text-main: #f1f5f9;--text-secondary: #94a3b8;--border: rgba(255,255,255,.1);--shadow: 0 10px 28px rgba(0,0,0,.35);--primary: #6366f1;--primary-soft: rgba(99,102,241,.18);--primary-soft-2: rgba(99,102,241,.26);--surface: rgba(255,255,255,.06)}body{background:var(--bg);color:var(--text-main)}.navbar-custom{width:100%;position:sticky;top:0;z-index:1000;background:color-mix(in srgb,var(--bg) 75%,transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--border);padding:0}@supports not (color: color-mix(in srgb,#000 50%,#fff)){.navbar-custom{background:#ffffffbf}.dark .navbar-custom{background:#0f172abf}}.nav-container{width:100%;max-width:1200px;margin:0 auto;height:56px;padding:0 16px;display:flex;align-items:center;justify-content:space-between}.nav-logo{font-size:18px;font-weight:800;color:var(--text-main);text-decoration:none;letter-spacing:-.5px}.nav-links{display:flex;gap:6px;align-items:center}.nav-item{position:relative;text-decoration:none;color:var(--text-main);font-weight:600;font-size:14px;padding:6px 12px;border-radius:10px;transition:all .25s ease}.nav-item:hover{color:var(--primary);background:var(--primary-soft)}.nav-active{color:var(--primary);background:var(--primary-soft-2)}.nav-active:after{content:"";position:absolute;bottom:-6px;left:20%;width:60%;height:3px;background:linear-gradient(90deg,#6366f1,var(--primary));border-radius:10px}.nav-lang{border:1px solid var(--border);background:transparent;color:var(--text-main);padding:4px 8px;border-radius:8px;font-weight:700;cursor:pointer}.dark .nav-lang option{background:var(--card-bg);color:var(--text-main)}.nav-theme{border:1px solid var(--border);background:var(--surface);color:var(--text-main);padding:6px 10px;border-radius:8px;cursor:pointer;font-size:16px;transition:.2s ease}.nav-theme:hover{background:var(--primary-soft);border-color:var(--primary-soft-2);transform:translateY(-1px)}@media(max-width:768px){.nav-container{height:auto;padding:10px 12px;flex-direction:column;align-items:flex-start;gap:8px}.nav-links{width:100%;flex-wrap:wrap}}.about-section{width:100%;min-height:calc(100vh - 56px);background:var(--bg)}.about-page{padding-top:28px;padding-bottom:48px}.about-title{font-size:40px;font-weight:900;color:var(--text-main)}.about-subtitle{color:var(--text-secondary);font-weight:600}.about-card{display:grid;grid-template-columns:300px 1fr;gap:32px;background:var(--card-bg);border-radius:18px;border:1px solid var(--border);box-shadow:var(--shadow);padding:24px}.about-img-wrap{width:100%;aspect-ratio:1;border-radius:18px;overflow:hidden}.about-img{width:100%;height:100%;object-fit:cover}.about-name{font-weight:900;margin-bottom:12px;color:var(--text-main)}.about-desc{color:var(--text-secondary);font-weight:600;margin-bottom:12px}.about-skills{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}.about-skill{padding:6px 12px;border-radius:999px;background:var(--primary-soft);border:1px solid var(--primary-soft-2);color:var(--text-main);font-weight:800;font-size:13px}.about-stats{margin-top:20px;display:flex;gap:32px}.about-stat{display:flex;flex-direction:column}.about-stat strong{font-size:20px;color:var(--primary)}.about-stat span{font-size:13px;color:var(--text-secondary)}.about-actions{margin-top:22px;padding-top:16px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}.about-left{display:flex;flex-direction:column;align-items:center;gap:16px}.about-socials{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}.about-social{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--surface);border:1px solid var(--border);transition:.2s ease;color:var(--text-main)}.about-social svg{fill:currentColor}.about-social:hover{transform:translateY(-3px);background:var(--primary-soft);border-color:var(--primary-soft-2);color:var(--primary)}.about-resume{text-decoration:none;font-weight:800;font-size:14px;padding:10px 14px;border-radius:12px;color:#fff;background:linear-gradient(135deg,var(--primary),#4f46e5);box-shadow:0 10px 22px #4f46e538;transition:.2s ease}.dark .about-resume{box-shadow:0 10px 22px #00000059}.about-resume:hover{transform:translateY(-2px)}@media(max-width:768px){.about-card{grid-template-columns:1fr}}.edu-section{width:100%;min-height:calc(100vh - 56px);background:var(--bg)}.edu-page{padding-top:28px;padding-bottom:48px}.edu-title{font-weight:900;font-size:40px;letter-spacing:-.6px;color:var(--text-main)}.edu-subtitle{margin:10px 0 22px;max-width:640px;color:var(--text-secondary);font-weight:600}.edu-card{background:var(--card-bg);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}.edu-row{display:grid;grid-template-columns:112px 1fr;gap:18px;padding:18px;border-bottom:1px solid var(--border);align-items:center}.edu-row:last-child{border-bottom:none}.edu-left{display:flex;justify-content:center;align-items:center}.edu-logo-wrap{width:112px;height:112px;border-radius:16px;background:var(--primary-soft);border:1px solid var(--primary-soft-2);display:grid;place-items:center;overflow:hidden}.edu-logo{width:80px;height:80px;object-fit:contain}.edu-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.edu-item-title{margin:0;font-weight:900;color:var(--text-main);font-size:18px}.edu-year{font-size:13px;font-weight:700;color:var(--primary);background:var(--primary-soft);padding:4px 10px;border-radius:999px;white-space:nowrap}.edu-desc{margin:10px 0 0;color:var(--text-secondary);font-weight:600;line-height:1.55}.edu-row:hover{background:var(--surface)}@media(max-width:576px){.edu-row{grid-template-columns:72px 1fr;gap:12px;padding:14px}.edu-logo-wrap{width:56px;height:56px;border-radius:14px}.edu-logo{width:36px;height:36px}.edu-title{font-size:34px}}.site-container{width:100%;max-width:1100px;margin:0 auto;padding:0 16px}.cert-section{width:100%;min-height:calc(100vh - 56px);background:var(--bg)}.cert-page{padding-top:28px;padding-bottom:48px}.cert-title{margin:0;letter-spacing:-.5px;color:var(--text-main);font-weight:900;font-size:40px}.cert-subtitle{margin:10px 0 22px;color:var(--text-secondary);font-weight:600}.cert-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}@media(max-width:576px){.cert-grid{grid-template-columns:1fr;gap:16px}}.cert-card{border-radius:18px;overflow:hidden;cursor:pointer;background:var(--card-bg);border:1px solid var(--border);box-shadow:var(--shadow);transition:transform .28s ease,box-shadow .28s ease;position:relative;outline:none}.cert-card:hover{transform:translateY(-8px);box-shadow:0 22px 46px #0f172a24}.dark .cert-card:hover{box-shadow:0 22px 46px #00000073}.cert-card:after{content:"Verified";position:absolute;top:12px;right:12px;background:linear-gradient(135deg,#6366f1,var(--primary));color:#fff;font-size:11px;padding:5px 12px;border-radius:999px;opacity:0;transform:translateY(-6px);transition:.25s ease}.cert-card:hover:after{opacity:1;transform:translateY(0)}.cert-img-wrap{overflow:hidden}.cert-img{width:100%;height:260px;object-fit:cover;display:block;transition:transform .45s ease}.cert-card:hover .cert-img{transform:scale(1.06)}@media(max-width:768px){.cert-img{height:210px}}.cert-body{padding:16px 18px 18px}.cert-card-title{margin:0 0 8px;font-weight:900;font-size:18px;color:var(--text-main)}.cert-meta{font-size:14px;color:var(--text-secondary);font-weight:600}.cert-modal{position:fixed;inset:0;background:#0f172adb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;padding:18px;z-index:9999;animation:certFade .22s ease}.cert-modal-inner{position:relative;max-width:min(1100px,96vw);max-height:92vh;border-radius:18px;overflow:hidden;box-shadow:0 30px 70px #0000008c;animation:certZoom .22s ease}.cert-modal-img{display:block;max-width:100%;max-height:92vh}.cert-close{position:absolute;top:10px;right:10px;width:42px;height:42px;border:1px solid var(--border);border-radius:999px;cursor:pointer;background:var(--card-bg);color:var(--text-main);font-size:18px;font-weight:900;display:grid;place-items:center;transition:transform .2s ease,background .2s ease}.cert-close:hover{transform:scale(1.06);background:var(--surface)}@keyframes certFade{0%{opacity:0}to{opacity:1}}@keyframes certZoom{0%{transform:scale(.92);opacity:0}to{transform:scale(1);opacity:1}}.work-section{width:100%;min-height:calc(100vh - 56px);background:var(--bg)}.work-page{padding-top:28px;padding-bottom:48px}.work-title{margin:0;font-weight:900;font-size:40px;letter-spacing:-.6px;color:var(--text-main)}.work-subtitle{max-width:640px;color:var(--text-secondary);font-weight:600}.work-card{background:var(--card-bg);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}.work-row{display:grid;grid-template-columns:112px 1fr;gap:18px;padding:18px;border-bottom:1px solid var(--border);transition:background .2s ease;align-items:center}.work-row:last-child{border-bottom:none}.work-row:hover{background:var(--surface)}.work-left{display:flex;justify-content:center;align-items:center}.work-logo-wrap{width:112px;height:112px;border-radius:16px;background:var(--primary-soft);border:1px solid var(--primary-soft-2);display:grid;place-items:center;overflow:hidden}.work-logo{width:80px;height:80px;object-fit:contain}.work-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.work-role{margin:0;font-weight:900;color:var(--text-main);font-size:18px}.work-period{font-size:13px;font-weight:700;color:var(--primary);background:var(--primary-soft);padding:4px 10px;border-radius:999px;white-space:nowrap}.work-desc{margin:10px 0 0;color:var(--text-secondary);font-weight:600;line-height:1.55}.work-tags{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px}.work-tag{font-size:12px;font-weight:700;color:var(--text-main);background:var(--surface);border:1px solid var(--border);padding:5px 10px;border-radius:999px}@media(max-width:576px){.work-row{grid-template-columns:72px 1fr;gap:12px;padding:14px}.work-logo-wrap{width:56px;height:56px;border-radius:14px}.work-logo{width:36px;height:36px}.work-title{font-size:34px}}