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100%);--hero-matrix-color:#0000000a;--hero-matrix-color-lit:#00000026;--modal-overlay:#0000004d}[data-theme=dark]{--bg-primary:#0a0a0b;--bg-secondary:#141416;--bg-tertiary:#1c1c1f;--bg-card:#141416b8;--bg-card-hover:#1c1c1fe6;--text-primary:#f5f5f7;--text-secondary:#86868b;--text-tertiary:#48484a;--text-inverse:#0a0a0b;--border:#ffffff14;--border-hover:#ffffff26;--accent:#6bb5ff;--accent-hover:#5aa5ef;--accent-bg:#6bb5ff1a;--glass-bg:#14141699;--glass-border:#ffffff14;--glass-shadow:0 2px 20px #0003;--nav-bg:#0a0a0bb8;--nav-border:#ffffff0f;--shadow-sm:0 1px 3px #0003;--shadow-md:0 4px 12px #0000004d;--shadow-lg:0 8px 30px #0006;--hero-gradient:linear-gradient(180deg, #0a0a0b00 0%, var(--bg-primary) 100%);--hero-matrix-color:#ffffff08;--hero-matrix-color-lit:#ffffff1f;--modal-overlay:#0009}.fade-in{opacity:0;transition:opacity .6s,transform 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var(--border);color:var(--text-primary);margin-bottom:16px;padding-bottom:10px;font-size:18px;font-weight:500}.about-section__text{color:var(--text-secondary);margin-bottom:14px;font-size:14px;line-height:1.9}.about-section__text:last-child{margin-bottom:0}.about-section__text strong{color:var(--text-primary);font-weight:500}.about-list{color:var(--text-secondary);padding-left:20px;font-size:14px;line-height:2}.about-list li{margin-bottom:6px}.about-list li strong{color:var(--text-primary);font-weight:500}.about-contact{background:var(--bg-secondary);color:var(--text-secondary);border-radius:12px;align-items:center;gap:10px;padding:14px 18px;font-size:14px;display:flex}.about-contact svg{color:var(--accent);flex-shrink:0}.about-contact a{color:var(--accent);text-decoration:none;transition:opacity .2s}.about-contact a:hover{opacity:.8}.nav{z-index:1000;background:var(--nav-bg);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--nav-border);justify-content:center;align-items:center;height:60px;transition:background-color .4s,border-color .4s;display:flex;position:fixed;top:0;left:0;right:0}.nav__inner{justify-content:space-between;align-items:center;width:100%;max-width:1200px;padding:0 24px;display:flex}.nav__logo{letter-spacing:.02em;white-space:nowrap;align-items:center;gap:10px;font-size:15px;font-weight:400;display:flex}.nav__logo-en{color:var(--text-secondary);font-size:13px;font-weight:300}.nav__links{align-items:center;gap:8px;display:flex}.nav__link{color:var(--text-secondary);border-radius:8px;padding:6px 14px;font-size:13px;font-weight:400;transition:color .2s,background-color .2s}.nav__link:hover,.nav__link.active{color:var(--text-primary);background:var(--accent-bg)}.nav__theme-btn{border-radius:8px;justify-content:center;align-items:center;width:34px;height:34px;transition:background-color .2s;display:flex}.nav__theme-btn:hover{background:var(--accent-bg)}.nav__theme-btn svg{width:16px;height:16px;stroke:var(--text-secondary);transition:stroke .2s}.nav__theme-btn:hover svg{stroke:var(--text-primary)}.nav__menu-btn{flex-direction:column;justify-content:center;gap:5px;width:34px;height:34px;padding:8px 6px;display:none}.nav__menu-btn span{background:var(--text-secondary);border-radius:1px;width:100%;height:1.5px;transition:transform .3s,opacity .3s;display:block}.nav__menu-btn.open span:first-child{transform:translateY(6.5px)rotate(45deg)}.nav__menu-btn.open span:nth-child(2){opacity:0}.nav__menu-btn.open span:nth-child(3){transform:translateY(-6.5px)rotate(-45deg)}@media (width<=640px){.nav__menu-btn{display:flex}.nav__links{background:var(--nav-bg);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--nav-border);opacity:0;pointer-events:none;flex-direction:column;padding:12px 24px;transition:transform .3s,opacity 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