:root,:root[data-theme=dark]{--primary-bg: #0f172a;--secondary-bg: #1e293b;--card-bg: #1e293b;--accent-yellow: #f5c542;--accent-gold: #f5c542;--accent-blue: #667eea;--text-primary: #ffffff;--text-secondary: #cbd5e1;--text-muted: #94a3b8;--border-color: #334155;--border-light: #64748b;--navbar-glass-bg: rgba(15, 23, 42, .95);--navbar-glass-shadow: rgba(0, 0, 0, .3);--glass-overlay: rgba(255, 255, 255, .05);--glass-overlay-strong: rgba(255, 255, 255, .1);--card-shadow-strong: rgba(0, 0, 0, .4);--card-shadow-medium: rgba(0, 0, 0, .3);--progress-track: rgba(255, 255, 255, .1);--hero-title-gradient: linear-gradient(90deg, #f5f5dc 0%, #f5c542 100%);--highlight-gradient: linear-gradient(90deg, #f5e6d3 0%, #f5c542 50%, #d4a017 100%);--skills-title-gradient: linear-gradient(135deg, #10b981, #3b82f6);--cta-gradient: linear-gradient(135deg, #60a5fa 0%, #a855f7 100%);--skill-progress-gradient: linear-gradient(90deg, #667eea 0%, #764ba2 100%);--cta-shadow: rgba(96, 165, 250, .4);--accent-pill-bg: rgba(245, 197, 66, .1);--accent-pill-shadow: rgba(245, 197, 66, .4);--accent-glow-strong: rgba(245, 197, 66, .5);--accent-glow-medium: rgba(245, 197, 66, .3);--accent-hover: #f7d04a;--btn-primary-text: #0f1419;--skill-icon-color: #ffffff;--info-location-color: #ef4444}:root[data-theme=light]{--primary-bg: #f5f7fb;--secondary-bg: #ffffff;--card-bg: #ffffff;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--border-color: #e2e8f0;--border-light: #cbd5f5;--navbar-glass-bg: rgba(255, 255, 255, .9);--navbar-glass-shadow: rgba(15, 23, 42, .08);--glass-overlay: rgba(15, 23, 42, .05);--glass-overlay-strong: rgba(15, 23, 42, .08);--card-shadow-strong: rgba(15, 23, 42, .12);--card-shadow-medium: rgba(15, 23, 42, .08);--progress-track: rgba(15, 23, 42, .08);--hero-title-gradient: linear-gradient(90deg, #f97316 0%, #facc15 100%);--highlight-gradient: linear-gradient(90deg, #fde68a 0%, #fbbf24 60%, #d97706 100%);--skills-title-gradient: linear-gradient(135deg, #2563eb, 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24px}.navbar{position:fixed;top:0;left:0;right:0;background:transparent;padding:20px 0;z-index:1000;transition:all .3s}.navbar.scrolled{background:var(--navbar-glass-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 4px 20px var(--navbar-glass-shadow)}.navbar .navbar-inner{display:flex;justify-content:space-between;align-items:center;position:relative;width:100%}.navbar-brand{display:flex;align-items:center;gap:12px;font-size:18px;font-weight:700}.navbar-brand .brand-text{color:var(--text-primary);text-decoration:none;transition:opacity .2s ease}.navbar-brand .brand-text:hover{opacity:.85}.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:0;border:none;border-radius:10px;background:#94a3b826;color:var(--text-primary);cursor:pointer;transition:background .2s ease,transform .2s 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#60a5fa8c}.about-intro{font-size:22px;color:var(--text-secondary);margin-bottom:32px;line-height:1.7;max-width:620px}.about-intro .highlight{background:linear-gradient(135deg,var(--accent-blue) 0%,#60a5fa 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-weight:700}.about-description{color:var(--text-primary);line-height:1.9;margin-bottom:36px;font-size:17px;max-width:680px}.about-description p{margin-bottom:16px}.about-description p:last-child{margin-bottom:0}.info-cards-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-bottom:40px}.info-card{background:linear-gradient(135deg,#0f172aeb,#0f172abf);border:1px solid rgba(96,165,250,.35);border-radius:16px;padding:18px 22px;display:flex;align-items:center;gap:14px;transition:all .3s ease;box-shadow:0 18px 40px #0f172a59}.info-card:hover{border-color:#60a5fa99;transform:translateY(-4px);box-shadow:0 24px 50px 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.experience-section{background:var(--primary-bg)}.experience-timeline{position:relative;display:flex;flex-direction:column;gap:32px;max-width:900px;margin:0 auto}.experience-item{display:grid;grid-template-columns:64px 1fr;gap:32px;align-items:stretch}.experience-track{position:relative;display:flex;flex-direction:column;align-items:center;gap:0;align-self:stretch;height:100%}.timeline-node{width:64px;height:64px;border-radius:20px;background:var(--card-bg);border:1px solid var(--border-color);display:flex;align-items:center;justify-content:center;box-shadow:0 20px 40px var(--card-shadow-medium)}.timeline-icon{font-size:28px}.timeline-connector{width:2px;flex:1;background:linear-gradient(180deg,#ffffff80,#fff0);margin-top:12px}:root[data-theme=light] .timeline-connector{background:linear-gradient(180deg,#0f172a59,#0f172a00)}.experience-card{background:linear-gradient(135deg,#0d1323f0,#080c18eb);border:1px solid rgba(148,163,184,.18);border-radius:24px;padding:32px;box-shadow:0 30px 60px #0f172a73;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);position:relative;overflow:hidden}:root[data-theme=light] .experience-card{background:linear-gradient(135deg,#fff,#f6f7fb);border-color:#0f172a14;box-shadow:0 20px 60px #0f172a26}.experience-card:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at top right,rgba(255,255,255,.08),transparent 55%);pointer-events:none}:root[data-theme=light] .experience-card:after{background:radial-gradient(circle at top right,rgba(148,163,184,.25),transparent 55%)}.experience-card>*{position:relative;z-index:2}.experience-meta{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;margin-bottom:8px;font-size:14px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted)}.experience-company{font-weight:600;color:var(--text-primary)}.experience-period{padding:6px 18px;border-radius:999px;background:#1e2a3d;font-weight:600;color:#f8fafc;letter-spacing:.08em;border:1px solid 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.skills-section{background:var(--primary-bg)}.skills-category-title{font-size:24px;font-weight:600;text-align:center;margin-bottom:40px;background:var(--skills-title-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.skills-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:24px;margin-bottom:60px}.skill-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:16px;padding:24px 20px;text-align:center;transition:all .3s;position:relative;overflow:hidden;min-height:180px;display:flex;flex-direction:column;justify-content:space-between}.skill-card:hover{transform:translateY(-4px);box-shadow:0 12px 24px var(--card-shadow-medium);border-color:var(--accent-yellow)}.skill-icon-wrapper{width:80px;height:80px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 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.certificates-section{background:var(--secondary-bg)}.certificates-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}.certificate-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:24px;overflow:hidden;box-shadow:0 25px 45px var(--card-shadow-medium);transition:transform .3s ease,box-shadow .3s ease}.certificate-card:hover{transform:translateY(-6px);box-shadow:0 30px 60px var(--card-shadow-medium)}.certificate-image{width:100%;aspect-ratio:3 / 2;overflow:hidden;background:#94a3b81f}.certificate-image img{width:100%;height:100%;object-fit:cover;display:block}.certificate-placeholder{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-muted);gap:8px;font-weight:600}.certificate-placeholder span{font-size:36px}.certificate-body{padding:28px;display:flex;flex-direction:column;gap:12px}.certificate-meta{display:flex;justify-content:space-between;align-items:center;font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted)}.certificate-organizer{font-weight:600;color:var(--accent-blue)}.certificate-date{color:var(--text-secondary)}.certificate-title{font-size:20px;font-weight:700;color:var(--text-primary)}.certificate-description{color:var(--text-secondary);line-height:1.7;margin-bottom:0}@media(max-width:640px){.certificate-body{padding:24px}}.projects-section{background:var(--secondary-bg)}:root[data-theme=light] .projects-section{background:var(--secondary-bg)}.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:28px}.project-card{background:#0f172acc;border:1px solid rgba(148,163,184,.25);border-radius:28px;overflow:hidden;transition:transform .35s ease,box-shadow .35s ease,border-color .35s 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#60a5fa40}.contact-section{background:var(--primary-bg)}:root[data-theme=light] .contact-section{background:var(--primary-bg)}.contact-container{display:grid;grid-template-columns:2fr 1fr;gap:60px;max-width:1000px;margin:0 auto}.contact-form{background:var(--card-bg);border:1px solid var(--border-color);border-radius:16px;padding:40px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}.form-group{margin-bottom:24px}.form-group label{display:flex;align-items:center;gap:8px;font-weight:600;margin-bottom:8px;font-size:14px}.label-icon{font-size:18px}.form-group input,.form-group textarea{width:100%;padding:14px 16px;background:var(--secondary-bg);border:1px solid var(--border-color);border-radius:10px;color:var(--text-primary);font-family:inherit;font-size:14px;transition:all .2s}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--accent-yellow);box-shadow:0 0 0 3px var(--accent-pill-bg)}.form-group 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