:root{--font-sans: "Inter", sans-serif;--font-mono: "Space Mono", monospace;--accent-color: #64ffda;--text-secondary: #8892b0;--text-color: #e6f1ff;--background: #0a192f;--secondary-color: #112240;--button-gradient: linear-gradient(135deg, #60a5fa 0%, #1e3a8a 100%);--heading-gradient: linear-gradient(90deg, #60a5fa 0%, #7dd3fc 50%, #1e3a8a 100%);--transition: all .25s cubic-bezier(.645, .045, .355, 1)}:root[data-theme=light]{--text-color: #0b1220;--text-secondary: #1f2937;--accent-color: #2563eb;--secondary-color: rgba(255,255,255,.6);--background: linear-gradient(180deg, #87CEEB 0%, #FDFDFD 100%);--button-gradient: linear-gradient(135deg, #87CEEB 0%, #1E3A8A 100%);--heading-gradient: linear-gradient(90deg, #1E3A8A 0%, #60a5fa 50%, #87CEEB 100%)}:root[data-theme=dark]{--text-color: #eef6ff;--text-secondary: #b7c7dd;--accent-color: #7cc8ff;--secondary-color: #132b45;--background: linear-gradient(180deg, #113055 0%, #0c1e38 100%);--button-gradient: linear-gradient(135deg, #7cc8ff 0%, #265ea7 100%);--heading-gradient: linear-gradient(90deg, #9ce2ff 0%, #7cc8ff 50%, #265ea7 100%)}.gradient-text{background:var(--heading-gradient);-webkit-background-clip:text;background-clip:text;color:transparent}.btn-gradient{background-image:var(--button-gradient);color:#fff;border:none;border-radius:10px;padding:.75rem 1.1rem;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease}.btn-gradient:hover{transform:translateY(-2px);box-shadow:0 10px 25px #3b82f659;filter:brightness(1.05)}*{margin:0;padding:0;box-sizing:border-box}html,body{scroll-behavior:smooth}body{font-family:var(--font-sans);background:var(--background);color:var(--text-color);line-height:1.6;overflow-x:hidden;transition:background .5s ease,color .3s ease}a{text-decoration:none;color:inherit}ul{list-style:none}.container{width:90%;max-width:1200px;margin:0 auto;padding:0 20px}.section-title{display:flex;align-items:center;position:relative;margin:10px 0 40px;width:100%;font-size:clamp(26px,5vw,32px);white-space:nowrap}.section-title .number{color:var(--accent-color);font-family:var(--font-mono);font-size:clamp(16px,3vw,20px);margin-right:10px}.btn{color:var(--accent-color);background-color:transparent;border:1px solid var(--accent-color);border-radius:8px;padding:.75rem 1rem;font-family:var(--font-mono);line-height:1;text-decoration:none;cursor:pointer;transition:var(--transition);margin-right:15px}.btn:hover{background-color:#64ffda1a}.btn-primary{background-image:var(--button-gradient);color:#fff;border:none}.loading-screen{height:100vh;display:flex;justify-content:center;align-items:center;background:var(--background)}.loader{border:4px solid rgba(100,255,218,.1);border-top:4px solid var(--accent-color);border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.fade-in{opacity:0;transform:translateY(20px);transition:opacity .5s ease-in-out,transform .5s ease-in-out}.fade-in.appear{opacity:1;transform:translateY(0)}.slide-in-left{opacity:0;transform:translate(-50px);transition:opacity .5s ease-in-out,transform .5s ease-in-out}.slide-in-left.appear{opacity:1;transform:translate(0)}.slide-in-right{opacity:0;transform:translate(50px);transition:opacity .5s ease-in-out,transform .5s ease-in-out}.slide-in-right.appear{opacity:1;transform:translate(0)}@media (max-width: 768px){.container{width:100%;padding:0 25px}.section-title{margin:10px 0 30px}}