:root{--bg-primary:#f6f8fa;--bg-secondary:#ffffff;--bg-tertiary:#f6f8fa;--bg-hover:#f3f4f6;--color-primary:#0969da;--color-primary-hover:#0860ca;--color-primary-light:#218bff;--color-accent:#00c896;--color-warning:#fb8500;--color-danger:#cf222e;--color-success:#1a7f37;--text-primary:#1f2328;--text-secondary:#656d76;--text-muted:#848d97;--border-default:#d1d9e0;--border-light:#e2e8f0;--border-focus:#0969da;--shadow-color:rgba(0,0,0,0.1);--glow-color:rgba(9,105,218,0.3);--font-display-xl:clamp(2.4rem,5vw,4rem);--font-display-lg:clamp(2.1rem,4.6vw,3.5rem);--font-display-md:clamp(1.75rem,4vw,2.75rem);--font-display-sm:clamp(1.4rem,3.4vw,2rem);--font-body-xl:clamp(1.1rem,2.6vw,1.5rem);--font-body-lg:clamp(1.05rem,2.2vw,1.25rem);--font-body-md:clamp(0.95rem,2vw,1.1rem);--font-body-sm:clamp(0.85rem,1.8vw,1rem);--font-button:clamp(0.85rem,1.8vw,0.95rem);--space-section:clamp(64px,12vw,120px);--space-section-large:clamp(80px,15vw,160px);--space-section-small:clamp(40px,10vw,80px);--space-card:clamp(20px,5vw,40px);--container-padding-inline:clamp(16px,6vw,32px);--element-gap:clamp(16px,6vw,32px);--nav-height:clamp(56px,8vw,72px);--transition-fast:150ms cubic-bezier(0.4,0,0.2,1);--transition-normal:250ms cubic-bezier(0.4,0,0.2,1);--transition-slow:350ms cubic-bezier(0.4,0,0.2,1)}[data-theme=dark]{--bg-primary:#0c0e14;--bg-secondary:#161922;--bg-tertiary:#1e2029;--bg-hover:#252831;--color-primary:#0078d4;--color-primary-hover:#106ebe;--color-primary-light:#2899f5;--color-accent:#00d4aa;--color-warning:#ffc83d;--color-danger:#f85149;--color-success:#3fb950;--text-primary:#e6edf3;--text-secondary:#8b949e;--text-muted:#6e7681;--border-default:#30363d;--border-light:#484f58;--border-focus:#0078d4;--shadow-color:rgba(0,0,0,0.5);--glow-color:rgba(0,120,212,0.4)}.btn-sharp{position:relative;padding:clamp(12px,3vw,16px) clamp(20px,5vw,32px);font-size:var(--font-button);font-weight:500;text-transform:uppercase;letter-spacing:.5px;border:2px solid transparent;background-color:var(--bg-secondary);color:var(--text-primary);cursor:pointer;transition:all var(--transition-fast);overflow:hidden;border-radius:0;box-shadow:0 2px 4px var(--shadow-color)}.btn-sharp:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left var(--transition-slow)}.btn-sharp:hover:before{left:100%}.btn-sharp:hover{transform:translateY(-2px);box-shadow:0 4px 8px var(--shadow-color)}.btn-sharp:active{transform:translateY(0);box-shadow:0 1px 2px var(--shadow-color)}.btn-sharp.primary{background-color:var(--color-primary);color:white;border-color:var(--color-primary)}.btn-sharp.primary:hover{background-color:var(--color-primary-hover);border-color:var(--color-primary-hover);box-shadow:0 4px 12px var(--glow-color)}.btn-sharp.accent{background-color:var(--color-accent);color:white;border-color:var(--color-accent)}.btn-sharp.ghost{background-color:transparent;border:2px solid var(--border-default);color:var(--text-primary)}.btn-sharp.ghost:hover{background-color:var(--bg-hover);border-color:var(--color-primary);color:var(--color-primary)}.card-depth{background:var(--bg-secondary);border:1px solid var(--border-default);padding:var(--space-card);position:relative;transition:all var(--transition-normal);box-shadow:0 2px 4px var(--shadow-color)}.card-depth:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--color-primary),var(--color-accent));transform:scaleX(0);transition:transform var(--transition-normal)}.card-depth:hover{transform:translateY(-4px);box-shadow:0 8px 16px var(--shadow-color);border-color:var(--border-focus)}.card-depth:hover:before{transform:scaleX(1)}.nav-modern{display:flex;gap:clamp(4px,2vw,12px);position:relative}.nav-item{position:relative;padding:clamp(12px,2.6vw,16px) clamp(14px,3vw,20px);color:var(--text-secondary);text-decoration:none;font-weight:500;transition:all var(--transition-fast);border-bottom:3px solid transparent;--nav-active-color:var(--color-primary);--nav-hover-color:var(--nav-active-color)}.nav-item:hover{color:var(--nav-hover-color);background:var(--bg-hover)}.nav-item.active{border-bottom-color:var(--nav-active-color)}.nav-item.active,.nav-item.active:hover{color:var(--nav-active-color)}.glass{background:rgba(255,255,255,.05);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1)}.glow{box-shadow:0 0 20px var(--glow-color)}@keyframes reveal{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.reveal{animation:reveal var(--transition-slow) ease-out}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.pulse{animation:pulse 2s cubic-bezier(.4,0,.6,1) infinite}@keyframes slideInLeft{0%{transform:translateX(-100%);opacity:0}to{transform:translateX(0);opacity:1}}@keyframes slideInRight{0%{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}.slide-in-left{animation:slideInLeft var(--transition-normal) ease-out}.slide-in-right{animation:slideInRight var(--transition-normal) ease-out}.theme-toggle{position:fixed;top:20px;right:20px;width:50px;height:50px;border-radius:50%;background:var(--bg-secondary);border:2px solid var(--border-default);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:24px;z-index:1000;transition:all var(--transition-fast);box-shadow:0 4px 6px var(--shadow-color)}.theme-toggle:focus-visible,.theme-toggle:hover{transform:scale(1.1);box-shadow:0 6px 12px var(--shadow-color);border-color:var(--color-primary);outline:none}@media (max-width:1100px){.theme-toggle{top:auto;bottom:20px;right:20px}}@media (max-width:768px){.btn-sharp{padding:10px 20px;font-size:13px}.card-depth{padding:16px}.nav-item{padding:12px 16px;font-size:14px}}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;font-size:16px}body{font-family:Segoe UI,system-ui,-apple-system,sans-serif;line-height:1.6;color:var(--text-primary);background:var(--bg-primary);transition:background-color var(--transition-normal),color var(--transition-normal);overflow-x:hidden}.container{max-width:1200px;margin:0 auto;padding:0 var(--container-padding-inline)}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;color:var(--text-primary)}h1{font-size:var(--font-display-lg)}h2{font-size:var(--font-display-md)}h3{font-size:var(--font-display-sm)}h4{font-size:var(--font-body-xl)}h5{font-size:var(--font-body-lg)}h6,p{font-size:var(--font-body-md)}p{color:var(--text-secondary);margin-bottom:1rem}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-hover)}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.mt-5{margin-top:3rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}.mb-5{margin-bottom:3rem}.p-1{padding:.5rem}.p-2{padding:1rem}.p-3{padding:1.5rem}.p-4{padding:2rem}.p-5{padding:3rem}.grid{display:grid;grid-gap:24px;gap:24px}.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.grid-4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.flex{display:flex}.flex-center{justify-content:center}.flex-between,.flex-center{display:flex;align-items:center}.flex-between{justify-content:space-between}.flex-col{display:flex;flex-direction:column}.gap-1{gap:.5rem}.gap-2{gap:1rem}.gap-3{gap:1.5rem}.gap-4{gap:2rem}@media (max-width:1024px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}@media (max-width:768px){body{font-size:15px}}@media (max-width:480px){body{font-size:14px}}.navigation-inner{justify-content:space-between;height:var(--nav-height);gap:clamp(12px,3vw,24px)}.nav-actions,.navigation-inner{display:flex;align-items:center}.nav-actions{gap:clamp(12px,4vw,16px)}.nav-utilities{display:flex;align-items:center;gap:clamp(10px,2.5vw,16px)}.nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--border-default);background:var(--bg-secondary);cursor:pointer;position:relative;transition:background var(--transition-fast),border-color var(--transition-fast)}.nav-toggle span,.nav-toggle:after,.nav-toggle:before{content:"";display:block;width:20px;height:2px;background:var(--text-primary);position:absolute;transition:transform var(--transition-fast),opacity var(--transition-fast)}.nav-toggle span{top:50%;transform:translateY(-50%)}.nav-toggle:before{top:16px}.nav-toggle:after{bottom:16px}.nav-toggle[aria-expanded=true]{border-color:var(--color-primary)}.nav-toggle[aria-expanded=true] span{opacity:0}.nav-toggle[aria-expanded=true]:before{transform:translateY(6px) rotate(45deg)}.nav-toggle[aria-expanded=true]:after{transform:translateY(-6px) rotate(-45deg)}.nav-overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:90}.nav-drawer{position:fixed;top:0;right:0;width:min(340px,85vw);height:100vh;background:var(--bg-secondary);border-left:1px solid var(--border-default);box-shadow:-10px 0 30px rgba(0,0,0,.15);padding:clamp(32px,8vw,48px) clamp(24px,7vw,40px);display:flex;flex-direction:column;gap:clamp(16px,4vw,24px);z-index:100}.nav-drawer__header{display:flex;align-items:center;justify-content:space-between;gap:clamp(12px,4vw,20px)}.nav-drawer__close{display:inline-flex;align-items:center;justify-content:center;padding:0;background:transparent;border:none;color:var(--text-primary);font-size:22px;cursor:pointer;transition:color var(--transition-fast),transform var(--transition-fast)}.nav-drawer__label{font-size:var(--font-body-sm);font-weight:600;letter-spacing:3px;text-transform:uppercase;color:var(--text-secondary)}.nav-drawer__close:focus-visible,.nav-drawer__close:hover{transform:translateX(-2px);color:var(--color-primary);outline:none}.nav-drawer__links{display:grid;grid-gap:clamp(12px,4vw,20px);gap:clamp(12px,4vw,20px)}.nav-drawer__link{font-size:var(--font-body-lg);color:var(--text-primary);text-decoration:none;padding:12px 0;border-bottom:1px solid var(--border-light);transition:color var(--transition-fast);position:relative}.nav-drawer__link:last-of-type{border-bottom:none}.nav-drawer__link:focus-visible,.nav-drawer__link:hover{color:var(--drawer-hover-color,var(--color-primary))}.nav-drawer__link--active,.nav-drawer__link:active{color:var(--drawer-active-color,var(--color-primary))}.nav-drawer__link--active{font-weight:600;border-bottom-color:var(--drawer-active-color,var(--color-primary))}.nav-drawer__link--active:after{content:"";position:absolute;left:0;bottom:-1px;width:100%;height:3px;background:var(--drawer-active-color,var(--color-primary))}.nav-drawer__actions{display:grid;grid-gap:clamp(12px,4vw,20px);gap:clamp(12px,4vw,20px);margin-top:auto}@media (max-width:1100px){.nav-actions{display:none}.nav-utilities{margin-left:auto}.nav-toggle{display:inline-flex}}@media (max-width:1024px){.nav-modern{display:none}}.standard-form{position:relative;max-width:800px;margin:0 auto;padding:clamp(32px,5vw,60px);background:linear-gradient(145deg,rgba(9,105,218,.12),rgba(0,200,150,.08)),var(--bg-secondary);border:1px solid var(--border-default);border-radius:0;box-shadow:0 25px 60px var(--shadow-color);overflow:hidden;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.standard-form:after,.standard-form:before{content:"";position:absolute;border-radius:50%;pointer-events:none;opacity:.15}.standard-form:before{width:280px;height:280px;top:-120px;right:-80px;background:radial-gradient(circle at center,rgba(9,105,218,.3),transparent 70%)}.standard-form:after{width:320px;height:320px;bottom:-140px;left:-100px;background:radial-gradient(circle at center,rgba(0,200,150,.28),transparent 70%)}.standard-form>*{position:relative;z-index:1}.standard-form label{display:block;margin-bottom:8px;color:var(--text-secondary);font-size:.9rem}.standard-form input,.standard-form select,.standard-form textarea{width:100%!important;padding:14px!important;background:var(--bg-primary)!important;border:2px solid var(--border-default)!important;border-radius:0!important;color:var(--text-primary)!important;font-size:1rem!important;outline:none!important;transition:border .3s ease,box-shadow .3s ease!important;box-shadow:none!important}.standard-form textarea{min-height:140px!important;resize:vertical;line-height:1.6!important;font-family:inherit!important;padding:16px!important}.standard-form input:focus,.standard-form select:focus,.standard-form textarea:focus{border-color:var(--color-primary)!important;box-shadow:0 0 0 3px rgba(9,105,218,.15)!important}.standard-form [data-emphasis=accent]:focus{border-color:var(--color-accent)!important;box-shadow:0 0 0 3px rgba(0,200,150,.18)!important}.standard-form button[type=submit]{width:100%;padding:15px;background:linear-gradient(135deg,var(--color-primary),var(--color-accent));color:white;border:none;border-radius:0;font-size:1.1rem;font-weight:700;cursor:pointer;box-shadow:0 4px 15px rgba(0,0,0,.2)}.standard-form button[type=submit]:hover{filter:brightness(1.05)}