:root{--spark-crimson:#E63946;--spark-crimson-dark:#C1121F;--spark-onyx:#0A0A0A;--spark-slate:#2D3748;--spark-silver:#E2E8F0;--spark-snow:#FAFAFA;--spark-gold:#FFD166;--spark-teal:#06D6A0;--spark-gradient:linear-gradient(135deg,var(--spark-crimson) 0%,#9D174D 50%,#7C3AED 100%);--spark-gradient-subtle:linear-gradient(90deg,var(--spark-crimson) 0%,var(--spark-gold) 100%);--shadow-soft:0 10px 25px rgba(230,57,70,0.08);--shadow-medium:0 15px 35px rgba(230,57,70,0.12);--shadow-strong:0 20px 50px rgba(230,57,70,0.2)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:var(--spark-snow);color:var(--spark-onyx);line-height:1.6}.container_c90378ad{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}.header_c90378ad{background-color:rgba(255,255,255,0.95);backdrop-filter:blur(10px);border-bottom:1px solid 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