:root{--primary:#FF6B35;--primary-dark:#E55A24;--secondary:#0080FF;--secondary-dark:#006ACC;--accent:#00FF88;--dark:#1E1E32;--light:#FFFFFF;--gray:#969AA0;--bg-light:#F8F9FA;--shadow-sm:0 2px 8px rgba(255,107,53,0.1);--shadow-md:0 4px 20px rgba(255,107,53,0.15);--shadow-lg:0 10px 40px rgba(255,107,53,0.2);--transition:all 0.3s cubic-bezier(0.4,0,0.2,1)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;font-size:16px}body{font-family:'Inter',sans-serif;color:var(--dark);line-height:1.6;background-color:var(--light)}.container{max-width:1200px;margin:0 auto;padding:0 24px}header{position:fixed;top:0;left:0;right:0;background-color:var(--light);border-bottom:2px solid var(--primary);z-index:1000;transition:var(--transition)}header.scrolled{box-shadow:var(--shadow-md)}header .container{display:flex;justify-content:space-between;align-items:center;padding:20px 24px}.logo{font-size:28px;font-weight:700;color:var(--dark);font-family:'Poppins',sans-serif}.logo 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