:root{--bg: #ffffff;--text: #000000}[data-theme=dark]{--bg: #0f172a;--text: #f1f5f9}body{background:var(--bg);color:var(--text)}.navbar-custom{width:100%;position:sticky;top:0;z-index:1000;background:#ffffffbf;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid rgba(15,23,42,.06);padding:0}.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:#0f172a;text-decoration:none;letter-spacing:-.5px}.nav-links{display:flex;gap:6px}.nav-item{position:relative;text-decoration:none;color:#0f172a;font-weight:600;font-size:14px;padding:6px 12px;border-radius:10px;transition:all .25s ease}.nav-item:hover{color:#4f46e5;background:#4f46e514}.nav-active{color:#4f46e5;background:#4f46e51f}.nav-active:after{content:"";position:absolute;bottom:-6px;left:20%;width:60%;height:3px;background:linear-gradient(90deg,#6366f1,#4f46e5);border-radius:10px}@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}}.nav-lang{border:1px solid rgba(15,23,42,.1);background:transparent;padding:4px 8px;border-radius:8px;font-weight:600;cursor:pointer}.nav-theme{border:none;background:#4f46e514;padding:6px 10px;border-radius:8px;cursor:pointer;font-size:16px;transition:.2s}.nav-theme:hover{background:#4f46e52e}.edu-section{width:100%;min-height:calc(100vh - 56px);background:#fff}.edu-page{padding-top:28px;padding-bottom:48px}.edu-title{font-weight:900;font-size:40px;letter-spacing:-.6px;color:#0f172a}.edu-subtitle{margin:10px 0 22px;max-width:640px;color:#64748b;font-weight:600}.edu-card{background:#ffffffe6;border:1px solid rgba(15,23,42,.06);border-radius:18px;box-shadow:0 10px 28px #0f172a14;overflow:hidden}.edu-row{display:grid;grid-template-columns:92px 1fr;gap:18px;padding:18px;border-bottom:1px solid rgba(15,23,42,.06)}.edu-row:last-child{border-bottom:none}.edu-left{display:flex;justify-content:center;align-items:flex-start;padding-top:2px}.edu-logo-wrap{width:112px;height:112px;border-radius:16px;background:#4f46e514;border:1px solid rgba(79,70,229,.14);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:#0f172a;font-size:18px}.edu-year{font-size:13px;font-weight:700;color:#4f46e5;background:#4f46e51a;padding:4px 10px;border-radius:999px;white-space:nowrap}.edu-desc{margin:10px 0 0;color:#475569;font-weight:600;line-height:1.55}.edu-row:hover{background:#02061705}@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:#fff}.cert-page{padding-top:28px;padding-bottom:48px}.cert-title{margin:0;letter-spacing:-.5px;color:#0f172a;font-weight:900;font-size:40px}.cert-subtitle{margin:10px 0 22px;color:#64748b!important;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:#ffffffc7;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(15,23,42,.06);box-shadow:0 10px 28px #0f172a14;transition:transform .28s ease,box-shadow .28s ease;position:relative;outline:none}.cert-card:hover{transform:translateY(-8px);box-shadow:0 22px 46px #0f172a24}.cert-card:after{content:"Verified";position:absolute;top:12px;right:12px;background:linear-gradient(135deg,#6366f1,#4f46e5);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:#0f172a}.cert-meta{font-size:14px;color:#64748b;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:none;border-radius:999px;cursor:pointer;background:#ffffffeb;color:#0f172a;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:#fff}@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:#fff}.work-page{padding-top:28px;padding-bottom:48px}.work-title{margin:0;font-weight:900;font-size:40px;letter-spacing:-.6px;color:#0f172a}.work-subtitle{max-width:640px;color:#64748b;font-weight:600}.work-card{background:#ffffffe6;border:1px solid rgba(15,23,42,.06);border-radius:18px;box-shadow:0 10px 28px #0f172a14;overflow:hidden}.work-row{display:grid;grid-template-columns:92px 1fr;gap:18px;padding:18px;border-bottom:1px solid rgba(15,23,42,.06);transition:background .2s ease}.work-row:last-child{border-bottom:none}.work-row:hover{background:#02061705}.work-left{display:flex;justify-content:center;align-items:flex-start;padding-top:2px}.work-logo-wrap{width:112px;height:112px;border-radius:16px;background:#4f46e514;border:1px solid rgba(79,70,229,.14);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:#0f172a;font-size:18px}.work-period{font-size:13px;font-weight:700;color:#4f46e5;background:#4f46e51a;padding:4px 10px;border-radius:999px;white-space:nowrap}.work-desc{margin:10px 0 0;color:#475569;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:#0f172a;background:#0f172a0f;border:1px solid rgba(15,23,42,.06);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}}