:root{--color-bg:#191919;--color-bg-rgb:25,25,25;--color-surface:#212121;--color-surface-soft:#2b2b2b;--color-surface-muted:#363636;--color-text:#ccc;--color-heading:#d9d9d9;--color-text-muted:#a7a7a7;--color-text-dim:#666;--color-white:#fff;--color-white-rgb:255,255,255;--color-primary:#13b0f5;--color-secondary:#e70faa;--color-success-bg:#d7ffe0;--color-success-text:#0f5e2c;--gradient-brand:linear-gradient(90deg,var(--color-primary),var(--color-secondary));--gradient-brand-vertical:linear-gradient(180deg,var(--color-secondary) 0%,var(--color-primary) 100%);--gradient-profile-bg:linear-gradient(180deg,var(--color-bg) 0%,var(--color-text) 100%);--font-family-base:"Poppins",sans-serif;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--font-weight-extrabold:800;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--space-24:6rem;--space-40:10rem;--radius-sm:.375rem;--radius-md:.5rem;--radius-lg:1rem;--radius-pill:999px;--border-subtle:1px solid rgba(var(--color-white-rgb),.05);--border-strong:1px solid rgba(var(--color-white-rgb),.1);--shadow-primary:0 4px 15px rgba(19,176,245,.2);--shadow-primary-hover:0 6px 20px rgba(231,15,170,.4);--duration-fast:.2s;--duration-base:.3s;--easing-standard:cubic-bezier(.4,0,.2,1);--container-max-width:1200px;--container-padding-desktop:2rem;--container-padding-mobile:1.5rem}.light{color-scheme:light;--color-bg:#f5f7fa;--color-bg-rgb:245,247,250;--color-surface:#fff;--color-surface-soft:#eef0f4;--color-surface-muted:#e2e5eb;--color-text:#374151;--color-heading:#111827;--color-text-muted:#6b7280;--color-text-dim:#9ca3af;--color-white:#111827;--color-white-rgb:17,24,39;--color-success-bg:#dcfce7;--color-success-text:#15803d;--border-subtle:1px solid rgba(var(--color-white-rgb),.08);--border-strong:1px solid rgba(var(--color-white-rgb),.15);--gradient-profile-bg:linear-gradient(180deg,var(--color-bg) 0%,var(--color-text) 100%)}:root{--bg-dark:#191919;--text-white:#ccc;--text-heading:#d9d9d9}.light,.light-mode{--bg-dark:#fff;--text-white:#333;--text-heading:#111}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:6.25rem}body{background-color:var(--bg-dark);color:var(--text-white);font-family:var(--font-family-base);padding:0;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;transition:background-color var(--duration-base) var(--easing-standard),color var(--duration-base) var(--easing-standard)}body,h1,h2,h3,h4,h5,h6,p{margin:0}h1,h2,h3{color:var(--text-heading);font-weight:var(--font-weight-bold)}a{color:inherit}.container{margin:0 auto;padding-inline:var(--container-padding-desktop);width:min(100%,var(--container-max-width))}@media(max-width:768px){.container{padding-inline:var(--container-padding-mobile)}}.gradient-text{background:var(--gradient-brand);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.section-title{font-size:clamp(2rem,3.4vw,2.5rem);line-height:1.2;margin-bottom:var(--space-2)}.section-subtitle{color:var(--color-text-muted);font-size:clamp(1.1rem,2.4vw,1.5rem);margin-bottom:var(--space-12)}.text-center{text-align:center}.btn{align-items:center;border:none;border-radius:var(--radius-md);cursor:pointer;display:inline-flex;font-size:1rem;font-weight:var(--font-weight-semibold);gap:var(--space-2);justify-content:center;padding:.75rem 1.75rem;text-decoration:none;transition:all var(--duration-base) var(--easing-standard)}.btn-primary{background:var(--gradient-brand);box-shadow:var(--shadow-primary);color:var(--color-white)}.btn-primary:hover{box-shadow:var(--shadow-primary-hover);filter:brightness(1.08);transform:translateY(-2px)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:transparent;border:1px solid rgba(var(--color-white-rgb),.8);color:var(--color-white)}.btn-secondary:hover{background:rgba(var(--color-white-rgb),.1);border-color:var(--color-primary);color:var(--color-primary)}