:root{--font-main: "Inter", system-ui, -apple-system, sans-serif;--transition-smooth: all .3s cubic-bezier(.4, 0, .2, 1);--bg-dark: #0f172a;--bg-darker: #020617;--accent-cyan: #22d3ee;--accent-blue: #2563eb;--text-primary: #f8fafc;--text-secondary: #94a3b8;--glass-bg: rgba(30, 41, 59, .7);--glass-border: rgba(255, 255, 255, .1);--st-workout-bg: #020617;--st-workout-surface: rgba(15, 23, 42, .8);--st-workout-accent: #00f2fe;--st-workout-secondary: #7000ff;--st-workout-text: #ffffff;--st-workout-text-dim: #94a3b8;--st-workout-border: rgba(0, 242, 254, .2);--st-focus-bg: #f8fafc;--st-focus-surface: #ffffff;--st-focus-accent: #10b981;--st-focus-secondary: #f59e0b;--st-focus-text: #0f172a;--st-focus-text-dim: #64748b;--st-focus-border: #e2e8f0}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-main);background:var(--bg-darker);color:var(--text-primary);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}h1,h2,h3{font-weight:800;letter-spacing:-.025em;line-height:1.1}a{text-decoration:none;color:inherit;transition:var(--transition-smooth)}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1.5rem}.glass{background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:1rem}.main-header{position:fixed;top:1rem;left:50%;transform:translate(-50%);width:90%;max-width:1100px;z-index:1000;padding:.75rem 1.5rem;display:flex;justify-content:space-between;align-items:center}@media (max-width: 640px){.main-header{width:calc(100% - 2rem);padding:.6rem 1rem;top:.5rem}.nav-links{gap:1rem!important}.nav-links a{font-size:.9rem}}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:.75rem;font-weight:700;cursor:pointer;border:none;transition:var(--transition-smooth);white-space:nowrap}.btn-primary{background:linear-gradient(135deg,var(--accent-cyan),var(--accent-blue));color:#fff;box-shadow:0 10px 20px -10px #22d3ee66}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 15px 30px -10px #22d3ee99}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .8s ease-out forwards}@media (max-width: 768px){section{padding-left:1.5rem!important;padding-right:1.5rem!important}.apps-grid-card{grid-template-columns:1fr!important;padding:2rem!important;text-align:center}.apps-grid-card ul{display:flex;flex-wrap:wrap;justify-content:center;gap:1rem}.app-icon-container{height:300px!important}}