:root{--beige:#d2c9c0;--azul-marino:#102246;--azul-marino-light:#1b3568;--brown:#2f2f2f;--accent:#8d6e63;--white:#fff;--gray-soft:#f4f4f4;--text-light:#6b7280;--whatsapp-green:#25d366;--whatsapp-green-hover:#1da851;--shadow-soft:0 10px 30px #00000014;--shadow-card:0 6px 20px #0000000f;--radius:18px;--transition:.25s ease}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--beige);color:var(--brown);font-family:Roboto,sans-serif;line-height:1.5;overflow-x:hidden}img{max-width:100%;height:auto;display:block}a{text-decoration:none}button,input{font-family:inherit}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}.clases-semanales-page{width:100%;overflow-x:hidden}.header{background:var(--azul-marino);z-index:999;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid 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