/* =========================================================
   #_4root Academy — design system replicado de 4root.com.br
   ========================================================= */
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1NzUnNScjNTMXFRcVBxUHIzKaBUFBBZrNcygoc80kBd9BKkHfBYhy7Ch4KOxyAAABADIBBAJMAbgACQAAEzMXNzMVIycHIzKa9BJ6mvQRewG4YWG0YmIAAgAyAAAA0wK8AAMACQAAEzUzFREjETczFzKhoQ6FDgIdn5/94wFegYEAAAACADL/nAKnAyAAEwAZAAABIxEhFQcjFSM1IycRNzM1MxUhFQERIwcRFwKI4wECH+NwkXJykXABAv6OXQUFAjT+VGkfZGRyAdhyZGRq/jYBrAX+XgUAAAAAAQAyAAAC1AK8ABcAAAEHFSEVIRUHFSEVByE1NzUjNTM1NyEVBwEYBQEe/uI2Afcf/X1GRkZyAeofAjQFmXA3NzBpH6pGNnC0cmoeAAIAMgALAtkCsQAXAB8AAD8BJxE3JzcXNyEXNxcHFxEHFwcnByEnBzczNxEnIwcRMlMYGFNGUxcBRxhSRlIWFlJGUhj+uRdTkfkHB/kHUFMXAUgYUkVSFxdSRVIY/rgXU0VTGBhTtwYBLAYG/tQAAAABADIAAAMfArwAGAAAAQMzFSMHFTMVIxUjNSM1MzUnIzUzAzMbAQMf8L3tBvPzofPzBu298KjPzgK8/qxECTFEpqZEMQlEAVT+5AEcAAAAAAIAMv+wANMDDAADAAcAABMzESMVMxEjMqGhoaEDDP6xvv6xAAIAMv9+AqcDPgAbACEAAAEVBxcVByE1NyE3NSchJzU3JzU3IRUHIQcVFyEBITUnIRUCpzk5cv39HwGwBQP+oXI5OXIB7x/+ZAUDAV/+kAFUBf6tAbemOTmvcmoeBYUDcqY6OK9yah4FhQP+5poEmv//ADICWQH+ArwAAwE/AjAAAAAAAAEAMgDGAtQBuQAFAAATIRUjNSEyAqJv/c0BufN3AAAAAgAyAWABhAK8AAcADwAAEzU3MxcVByM3Mzc1JyMHFTJNuE1NuB58Cwt8CgGtwk1Nwk1TCqIKCqIAAAAAAgAyAGkCXQJTAAsADwAAEzM1MxUzFSMVIzUjFSEVITLYe9jYe9gCK/3VAetoaG9oaKRv//8AMgIcASUCvAADAUIBVwAAAAAAAgAyAAACjAK8AAcACwAAEzchESM1IycBMxEjMm0BF6F2bQG5oaECT239RP1sAVP9RAAA//8AMgEPANMBrgAHAA8AAAEPAAAAAgAyAAACmAK8AAMAEwAAATUzFQEnNTczNzMXFSMHFRchFxUBKKH+23JyiASFDusFBQGhHwIdn5/943K4ckOBPgWOBR5qAAD//wAZAAAC/AOOACIAIgAAAAcBQQH1ANL//wAZAAAC/AOOACIAIgAAAAcBQgJ3ANL//wAZAAAC/AOYACIAIgAAAAcBRAKjANz//wAZAAAC/AOYACIAIgAAAAcBSAKsANz//wAZAAAC/ANvACIAIgAAAAcBPwKiALP//wAZAAAC/APIACIAIgAAAAcBRwJWAQwAAgAZAAAEmAK8ABEAFQAAEyEVByEVIRUhFSEVByE1IQcjAREhA8sDzR/+cQFV/qsBrh/90P6bLZ4CMP78RQK8ah6afJZpH7KyAS4BBv76AAABADL+7wKnArwAHAAAEwcRFyEVByMHMxcVByE1NzM3NS8BNyMnETchFQfYBQUBzx/gOmw+Pv7nEuoDljBHnXJyAgMfAjQF/l4FaR88O1w+ORICRQExTXIB2HJqHgAAAP//ADIAAAKdA44AIgAmAAAABwFBAdIA0v//ADIAAAKdA44AIgAmAAAABwFCAlUA0v//ADIAAAKdA5gAIgAmAAAABwFEAoAA3P//ADIAAAKdA28AIgAmAAAABwE/AoAAs////8gAAADTA44AIgAqAAAABwFBAO0A0v//ADIAAAE9A44AIgAqAAAABwFCAW8A0v///5wAAAFoA5gAIgAqAAAABwFEAZoA3P///5wAAAFoA28AIgAqAAAABwE/AZoAswAC/+wAAALUArwACQATAAABFxEHIREjNTMRAREnIRUzFSMVIQJicnL90EZGAgEF/qWvrwFbArxy/ihyASZwASb90QGiBZ5wnv//ADIAAALUA5gAIgAvAAAABwFIAqQA3P//ADIAAALUA44AIgAwAAAABwFBAe4A0v//ADIAAALUA44AIgAwAAAABwFCAnAA0v//ADIAAALUA5gAIgAwAAAABwFEApsA3P//ADIAAALUA5gAIgAwAAAABwFIAqQA3P//ADIAAALUA28AIgAwAAAABwE/ApsAswABADIAcwINAk4ACwAAAQcXBycHJzcnNxc3Ag2amlObmlOamlSamgH7mptTmppTmppUmpoAAwAy/5wC1AMgAA0AEwAZAAABFxEHIQcjNycRNyE3MwEzEyMHESERJyMDMwJtZ3L+pDRyOmhyAV00cv4xA9/iBQFgBQLf4QKxZ/4ocmRuaAHYcmT9aAGsBf5eAaIF/lT//wAyAAAC1AOOACIANgAAAAcBQQHuANL//wAyAAAC1AOOACIANgAAAAcBQgJwANL//wAyAAAC1AOYACIANgAAAAcBRAKbANz//wAyAAAC1ANvACIANgAAAAcBPwKbALP//wAKAAAC9wOOACIAOgAAAAcBQgJtANIAAgAyAAAC1AK8AAkADwAAEzMVIRcVByEVIwE3NSchFTKhAY9ycv5xoQH8BQX+pQK8enLkcnoBAgWuBbgAAQAyAAAC1AK8ABcAAAEXFQchNSE3NSchNSE1JyEHESMRNyEXFQKITHL+sgEaBQT+5QEbBf6uBaFyAbRyAWBMonKIBZIDfJEFBf3RAkpycqgAAAD//wAZAAAC/AOOAAIAbgAA//8AGQAAAvwDjgACAG8AAP//ABkAAAL8A5gAAgBwAAD//wAZAAAC/AOYAAIAcQAA//8AGQAAAvwDbwACAHIAAP//ABkAAAL8A8gAAgBzAAD//wAZAAAEmAK8AAIAdAAA//8AMv7vAqcCvAACAHUAAP//ADIAAAKdA44AAgB2AAD//wAyAAACnQOOAAIAdwAA//8AMgAAAp0DmAACAHgAAP//ADIAAAKdA28AAgB5AAD////IAAAA0wOOAAIAegAA//8AMgAAAT0DjgACAHsAAP///5wAAAFoA5gAAgB8AAD///+cAAABaANvAAIAfQAA////7AAAAtQCvAACAH4AAP//ADIAAALUA5gAAgB/AAD//wAyAAAC1AOOAAIAgAAA//8AMgAAAtQDjgACAIEAAP//ADIAAALUA5gAAgCCAAD//wAyAAAC1AOYAAIAgwAA//8AMgAAAtQDbwACAIQAAP//ADIAcAJcAlAAIgDJAAAAJwC4ALT/lAAHALgAtP4X//8AMv+cAtQDIAACAIYAAP//ADIAAALUA44AAgCHAAD//wAyAAAC1AOOAAIAiAAA//8AMgAAAtQDmAACAIkAAP//ADIAAALUA28AAgCKAAD//wAKAAAC9wOOAAIAiwAA//8AMgAAAtQCvAACAIwAAP//AAoAAAL3A28AAgC0AAAAAf/sAAACfwK8AA4AADchFQchEQc1NxEzETcVB9MBrB790UZGoXNziGkfAQ4QcBABPv7nG3AbAP///+wAAAJ/ArwAAgCuAAAAAgAyAAAEngK8AA8AFQAAEzchFQchFSEVIRUhFQchJzchESEHETJyA/of/lUBcf6PAcof/CVypgFb/qUFAkpyah6afJZpH3IWAawF/l4AAP//ADIAAASeArwAAgCwAAAAAgAyAAACpwOYAAYAHAAAARc3MwcjJwMhNzUnISc1NyEVByEHFRchFxUHITUBDGFghqaBpjUBsAUF/qNycgHvH/5kBQUBXXJy/f0DmGRkoKD88AWOBXK4cmoeBY4FcrhyagAA//8AMgAAAqcDmAACALIAAP//AAoAAAL3A28AIgA6AAAABwE/ApgAswACADIAAAKiA5gABgASAAABFzczByMnAQUnNSEVASEVByE1AQpgYIalgqUBU/6GHwJk/lsBpR/9rwOYZGSgoP6cAR9qff5JaR99AAD//wAyAAACogOYAAIAtQAA//8AMgIcAf4CvAADAUQCMAAAAAD//wAyAlkA9QK8AAMBQAEnAAAAAAABADIBIgLUAZ4AAwAAARUhNQLU/V4Bnnx8AAAAAQBLASIEPgGeAAMAAAEhNSEEPvwNA/MBInwAAAEAMgG/ANMCvAADAAATNzMVMkRdAb/9/QAAAP//ADIBvwDTArwABwANAAACHQAA//8AMv+iANMAnwACAA0AAAACADIBvwHZArwAAwAHAAATNzMVMzczFTJEXWREXgG//f39/f//ADIBvwHYArwAJwANAAACHQAHAA0BBQIdAAD//wAy/6IB2ACfACIADQAAAAMADQEFAAAAAQAyAAACVwK8AAsAAAEVIxEjESM1MzUzFQJXwqHCwqEB3HD+lAFscODgAAABADIAAAJXArwAEwAAASMVMxUjFSM1IzUzNSM1MzUzFTMCV8LCwqHCwsLCocIBnX1wsLBwfW+wsAAAAAABADIBFADfAagABwAAEzMXFQcjJzVRbx8fbx8BqB9WHx9WAP//ADIAAALeAJ8AIgAPAAAAIwAPAQUAAAADAA8CCwAAAAcAMgAABOwCvAAHAAsAEwAbACMAKwAzAAATNTczFxUHIwEzASMDMzc1JyMHFQE1NzMXFQcjJTU3MxcVByMlMzc1JyMHFQUzNzUnIwcVMk24TU24AeGA/l2BH3wLC3wKAYZNuE1NuAE0TbhNTbj+nH0KCn0JAYt8Cwt8CgGtwk1Nwk0BXP1EAbMKogoKov6Qwk1Nwk1Nwk1Nwk1TCqIKCqIKCqIKCqIAAAEAMgBkAYMCWAAFAAATNzMHFyMyuZi5uZgBXvr6+gAAAQAyAGQBgwJYAAUAADcjNyczF8qYubmYuWT6+voAAAABADL/sAKPAwwAAwAAATMBIwIHiP4riAMM/KQAAQAyASUCXAGbAAMAABMhFSEyAir91gGbdgAA//8AGQAAAvwDmAAiACIAAAAHAUYCjADc//8AGQAAAvwDgwAiACIAAAAHAUkCogDHAAIAGf7vAzUCvAARABUAAAUXFSEnNTcnIQcjEyETIwcVFwEhAyMDJBH+6D5+LP6zLZ6yAX+yQIYE/sYBFUWLxhI5PlGEsLICvP1EjTcCAfQBBgAA//8AMgAAAqcDmAAiACQAAAAHAUICWgDc//8AMgAAAqcDmAAiACQAAAAHAUUChQEB//8AMgAAAtQDmAAiACUAAAAHAUUCmwEB////7AAAAtQCvAACAH4AAP//ADIAAAKdA5gAIgAmAAAABwFFAoABAf//ADIAAAKdA4MAIgAmAAAABwFAAfsAx///ADIAAAKdA4MAIgAmAAAABwFJAoAAxwABADL+7wL3ArwAFwAABRcVISc1NyERIRUHIRUhFSEVIRUPARUXAuYR/ug+fP4VAmsf/lUBcf6PAcofhgTGEjk+UYICvGoemnyWaR+NNwIA//8AMv7HAsUCvAAiACgAAAAHAUsB/v8l////nAAAAWgDgwAiACoAAAAHAUkBmgDHAAH/9v7vAU0CvAANAAAFFxUhJzU3IxEzEQcVFwE7Ev7nPn1BoYUDxhI5PlGCArz9RI03Av//ADL+xwL3ArwAIgAsAAAABwFLAhf/Jf//ADIAAAJ/A5gAIgAtAAAABwFCAW8A3P//ADIAAAJ/A5gAIgAtAAAABwFFAnEBAf//ADL+xwJ/ArwAIgAtAAAABwFLAdv/Jf//ADIAAALUA5gAIgAvAAAABwFCAnAA3P//ADIAAALUA5gAIgAvAAAABwFFApsBAf//ADL+xwLUArwAIgAvAAAABwFLAgb/JQABADL+/ALUArwADwAAAREHITU3ITc1AREjETMBEQLUcv6EHgErBP6goYoBdwK8/LJyah4EnAGZ/kMCvP5DAb3//wAyAAAC1AOYACIAMAAAAAcBQwIWANz//wAyAAAC1AODACIAMAAAAAcBSQKbAMf//wAyAAAC6AOYACIAMwAAAAcBQgJ6ANz//wAyAAAC6AOYACIAMwAAAAcBRQKlAQH//wAy/scC6AK8ACIAMwAAAAcBSwIQ/yX//wAyAAACpwOYACIANAAAAAcBQgJaANwAAQAy/u8CpwK8ACQAAAEXFQcjBzMXFQchNTczNzUvATchNTchNzUnISc1NyEVByEHFRcCNXJyjTpsPj7+5xLqA5YwR/7xHwGwBQX+o3JyAe8f/mQFBQGccrhyPDtcPjkSAkUBMU1qHgWOBXK4cmoeBY4FAP//ADIAAALUArwAAgCNAAAAAQAeAAACsQK8ABAAABMhFQcjFTMVIxEjESM1MzUjHgKTH9qVlaGVlfkCvGoepWL+0wEtYqUAAP//AB4AAAKxA5gAIgA1AAAABwFFAoABAQABAB7+7wKxArwAFwAAEyEVByMRIwczFxUHITU3Mzc1LwE3IxEjHgKTH9odOmw+Pv7nEukEljBGHPkCvGoe/cw8O1w+ORICRQExTQI0AAAA//8AMgAAAtQDmAAiADYAAAAHAUMCFgDc//8AMgAAAtQDgwAiADYAAAAHAUkCmwDHAAEAMv7vAtsCvAAVAAAFFxUhJzU3IScRMxEXITcRMxEPARUXAsoR/ug+fP6jcqEFAVYFoXKGBMYSOT5RgnICSv3RBQUCL/22co03Av//ADIAAALUA8gAIgA2AAAABwFHAk8BDP//ADIAAAQ3A44AIgA4AAAABwFCAyEA0v//ADIAAAQ3A5gAIgA4AAAABwFEA00A3P//ADIAAAQ3A4QAIgA4AAAABwE/A0wAyP//ADIAAAQ3A44AIgA4AAAABwFBAp8A0v//AAoAAAL3A5gAIgA6AAAABwFEApkA3P//AAoAAAL3A44AIgA6AAAABwFBAesA0v//ADIAAAKiA5gAIgA7AAAABwFCAlcA3P//ADIAAAKiA4MAIgA7AAAABwFAAf4AxwADADIAAARjArwACAANABMAAAEXFQchESEXFSUVITUnEzUnIRUhBBdMcvxBA7Vy/HoC7gUJBP0SAu0BYEyicgK8cqiSmZQF/lmVA50AAQAyAAAENgK8AA0AADcRNyEVByEHERchFQchMnIDkh/8wQUFA14f/I1yAdhyah4F/l4FaR8AAAACADIAAARjArwABQALAAATIRcRByElNxEnIREyA79ycvxBA4sFBf0WArxy/ihyiAUBogX+VAAAAAEAMgAABCwCvAANAAATIRUHIRUhFSEVIRUHITID+h/8xgMA/QADWR/8JQK8ah6afJZpHwABADIAAAQvArwACgAAEyEVByEVIRUhESMyA/0f/MMDAfz/oQK8ah6afP7iAAEAMgAABGMCvAALAAATMxEhETMRIxEhESMyoQLvoaH9EaECvP7gASD9RAEg/uAAAAEAMgAABA4CvAAGAAATMxEhFQchMqEDOx78QgK8/cxpHwAAAAIAMgAABGMCvAAHAA8AADcRNyEXEQchNyE3ESchBxEycgNNcnL8szQC5QUF/RsFcgHYcnL+KHKIBQGiBQX+XgACADIAAARjArwABwANAAATIRcRByEVIwE3NSchFTIDv3Jy/OKhA4sFBf0WArxy/t5ytgE+BewF9gAAAAABADIAAAQ2ArwAFQAAPwEhNzUnISc1NyEVByEHFRchFxUHITIfAz8FBf0UcnIDfh/81QUFAuxycvxuah4FjgVyuHJqHgWOBXK4cgD//wAZAAAC/AOYAAIAygAA//8AGQAAAvwDgwACAMsAAP//ABn+7wM1ArwAAgDMAAD//wAyAAACpwOYAAIAzQAA//8AMgAAAqcDmAACAM4AAP//ADIAAALUA5gAAgDPAAD////sAAAC1AK8AAIAfgAA//8AMgAAAp0DmAACANEAAP//ADIAAAKdA4MAAgDSAAD//wAyAAACnQODAAIA0wAA//8AMv7vAvcCvAACANQAAP//ADL+xwLFArwAAgDVAAD///+cAAABaAODAAIA1gAA////9v7vAU0CvAACANcAAP//ADL+xwL3ArwAAgDYAAD//wAyAAACfwOYAAIA2QAA//8AMgAAAn8DmAACANoAAP//ADL+xwJ/ArwAAgDbAAD//wAyAAAC1AOYAAIA3AAA//8AMgAAAtQDmAACAN0AAP//ADL+xwLUArwAAgDeAAD//wAy/vwC1AK8AAIA3wAA//8AMgAAAtQDmAACAOAAAP//ADIAAALUA4MAAgDhAAD//wAyAAAC6AOYAAIA4gAA//8AMgAAAugDmAACAOMAAP//ADL+xwLoArwAAgDkAAD//wAyAAACpwOYAAIA5QAA//8AMv7vAqcCvAACAOYAAP//AB4AAAKxArwAAgDoAAD//wAeAAACsQOYAAIA6QAA//8AHv7vArECvAACAOoAAP//ADIAAALUA5gAAgDrAAD//wAyAAAC1AODAAIA7AAA//8AMv7vAtsCvAACAO0AAP//ADIAAALUA8gAAgDuAAD//wAyAAAENwOOAAIA7wAA//8AMgAABDcDmAACAPAAAP//ADIAAAQ3A4QAAgDxAAD//wAyAAAENwOOAAIA8gAA//8ACgAAAvcDmAACAPMAAP//AAoAAAL3A44AAgD0AAD//wAyAAACogOYAAIA9QAA//8AMgAAAqIDgwACAPYAAP//ADIAAARjArwAAgD3AAD//wAyAAAENgK8AAIA+AAA//8AMgAABGMCvAACAPkAAP//ADIAAAQsArwAAgD6AAD//wAyAAAELwK8AAIA+wAA//8AMgAABGMCvAACAPwAAP//ADIAAAQOArwAAgD9AAD//wAyAAAEYwK8AAIA/gAA//8AMgAABGMCvAACAP8AAP//ADIAAAQ2ArwAAgEAAAD//wAyAGQCrgJYACIAxgAAAAMAxgErAAAAAgAyAGQCrgJYAAUACwAANyM3JzMfASM3JzMXypi5uZi5cpi5uZi5ZPr6+vr6+vr//wAyAAADYQH0ACIAGwAAAAcADgEF/5oAAQAKAAACpwK8AB0AABMHFTMVIxUzFSMVFyEVByEnNSM1MzUjNTM1NyEVB9gF9vb29gUBzx/+HHIoKCgocgIDHwI0BXBEOkRwBWkfcotEOkSLcmoeAAAAAAMAMgAAAu4CvAAHAA8AHQAANxE3IRcRByEnITcRJyEHETc1NzMVByMHFRczFQcjMnIB2HJy/igKAewFBf4UBW035hG1AQHGEdVyAdhycv4ocl0EAfoFBf4GlNI4OhECqAI5EgAEADIAAALuArwABwAPABoAIAAAARcRByEnETcBESchBxEXIScHFyMnIxUjETMXBxUzNzUnAnZ4eP40eHgB4Qr+HgoKAeJtKC5PJ0hQ0Te4ZgICArx4/jR4eAHMeP2rAe4LC/4SCvMoa1tbAUI3DmIBYAEAAAIAMgIUAa4CvAAIABUAABMzFQcjFSM1Ixc1Mxc3MxUjNQcjJxUynggwLji2LDc3LC00AzMCvB8JgICAqF1dqFlUVFkAAQAy/7AA0wMMAAMAABMzESMyoaEDDPykAAAAAAL+AgJZ/84CvAADAAcAAAEzFSMlMxUj/gLDwwEJw8MCvGNjYwAAAAAB/wsCWf/OArwAAwAAAzMVI/XDwwK8YwAB/tsCHP/OArwAAwAAAyczF6KDhm0CHKCgAAAAAf7bAhz/zgK8AAMAAAMzByO4hoNwArygAAAA///+2wIcAIMCvAAiAUIAAAADAUIAtQAAAAH+AgIc/84CvAAGAAABMxcjJwcj/qiBpYZfYYYCvKBkZAAAAAH+AgH3/84ClwAGAAABMxc3Mwcj/gKGYV+GpYECl2RkoAAAAAH+LwIc/84CvAAJAAADMxUHISc1MxUzoW9J/vNJb8ECvFdJSVdaAAAC/psB2P/OArwABwAPAAABNTczFxUHIzczNzUnIwcV/ps/tT8/tRqBAwOBAwIXZj8/Zj9HAlICAlIAAAAB/fACHP/OArwACQAAATMXNzMVIycHI/3widcQbonXEG4CvFV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format('truetype');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --neon: #00ff41;
  --bg: #050505;
  --bg-alt: #070707;
  --text: #ededed;
  --muted: #8a8a8a;
  --line: #1f1f1f;
  --card: #0a0a0a;
  --red: #ff0040;
  --cyan: #00e5ff;
  --yellow: #fde047;
  --coral: #f87171;
  --glow: 0 0 6px rgba(0,255,65,.6), 0 0 20px rgba(0,255,65,.25);
  --wrap: 80rem;
  /* tokens de movimento (fluidez do site inteiro) */
  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 96px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
html::-webkit-scrollbar, body::-webkit-scrollbar { width: 0; height: 0; display: none; }

body {
  font-family: 'Sora', system-ui, -apple-system, sans-serif;
  line-height: 1.5;
  background-color: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { background: none; border: none; cursor: pointer; color: inherit; font: inherit; }

.font-qb { font-family: 'QB One', sans-serif !important; }
.font-sora { font-family: 'Sora', sans-serif !important; }
.font-mono { font-family: 'JetBrains Mono', ui-monospace, monospace; }
.ic { width: 16px; height: 16px; flex-shrink: 0; }

/* ---------- LOGO OFICIAL #_4root (igual ao site) ---------- */
.nav-logo {
  display: flex;
  align-items: baseline;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  line-height: 1;
}
.nav-logo-row { display: flex; align-items: baseline; line-height: 1; }
.text-hash { font-size: .85em; }
.text-underscore { display: inline-block; transform: scaleX(0.65); transform-origin: bottom right; margin-left: -0.3em; }
.text-4 { font-size: 1em; margin-right: 0.1em; display: inline-block; transform: translateY(0.05em); }
.text-root { font-size: 0.8em; }

/* ---------- EFEITOS OFICIAIS 4ROOT ---------- */
.neon-text {
  color: var(--neon);
  text-shadow: 0 0 6px rgba(0,255,65,.6), 0 0 20px rgba(0,255,65,.25);
  margin-left: -2px;
  margin-right: -2px;
}
/* espaco entre o 4 e o root — valor do site oficial 4root.com.br
   (regra vem DEPOIS do .neon-text p/ vencer o margin-right negativo;
   max(2px, .1em) = 2px fixo no nav 20px e proporcional no hero) */
.text-4 { margin-right: max(2px, 0.1em); }
.hero-motto .neon-text { margin: 0 0.2rem; }
.neon-glow {
  box-shadow: 0 0 6px rgba(0,255,65,.35), 0 0 20px rgba(0,255,65,.15), inset 0 0 8px rgba(0,255,65,.08);
}
.grain-overlay { position: relative; }
.grain-overlay::before {
  content: "";
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 3;
}
.scanlines { position: relative; }
.scanlines::after {
  content: "";
  background: repeating-linear-gradient(180deg, rgba(0,255,65,.03) 0px, rgba(0,255,65,.03) 1px, transparent 1px, transparent 3px);
  pointer-events: none;
  position: absolute;
  inset: 0;
  z-index: 2;
}
@keyframes caret-blink { 0%,49% {opacity:1} 50%,100% {opacity:0} }
.caret-blink { animation: caret-blink 1s step-end infinite; }
@keyframes bounce-arrow { 0%,100% {transform:translateY(0)} 50% {transform:translateY(8px)} }
.bounce-arrow { animation: bounce-arrow 1.8s ease-in-out infinite; }
@keyframes fade-in { from {opacity:0} to {opacity:1} }
@keyframes fade-in-up { from {opacity:0; transform:translateY(40px)} to {opacity:1; transform:translateY(0)} }
@keyframes fade-out { to {opacity:0} }
@keyframes fade-out-down { to {opacity:0; transform:translateY(16px)} }
@keyframes page-in { from {opacity:0} }
@keyframes article-in { from {opacity:0; transform:translateY(12px)} }
@keyframes zoom-in { from {opacity:0; transform:scale(.96)} }
/* entrada/saida de pagina: navegacao com sensacao de SPA */
body { animation: page-in .5s var(--ease-out) backwards; }
body.page-exit { opacity: 0; pointer-events: none; transition: opacity .17s ease; }
.animate-on-scroll { opacity: 0; transform: translateY(40px); transition: opacity .7s ease-out, transform .7s ease-out; }
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }

/* Glitch RGB oficial (#ff0040 / #00e5ff) */
@keyframes glitch-skew {
  0%,100% {transform:skew(0deg)} 5% {transform:skew(.8deg)} 6% {transform:skew(-.4deg)}
  7%,30% {transform:skew(0)} 33% {transform:skew(.5deg)} 34% {transform:skew(-.6deg)}
  35%,55% {transform:skew(0)} 58% {transform:skew(1deg)} 59% {transform:skew(-.3deg)}
  60%,80% {transform:skew(0)} 83% {transform:skew(.7deg)} 84% {transform:skew(-.5deg)} 85%,100% {transform:skew(0)}
}
@keyframes glitch-before {
  0%,100% {clip-path:inset(0 0 100% 0); transform:translate(0)}
  5% {clip-path:inset(20% 0 40% 0); transform:translate(-3px,-1px)}
  5.5% {clip-path:inset(60% 0 10% 0); transform:translate(2px,1px)}
  6%,100% {clip-path:inset(0 0 100% 0); transform:translate(0)}
  30% {clip-path:inset(0 0 100% 0); transform:translate(0)}
  31% {clip-path:inset(10% 0 60% 0); transform:translate(-2px,0)}
  32% {clip-path:inset(70% 0 5% 0); transform:translate(3px,1px)}
  33%,100% {clip-path:inset(0 0 100% 0); transform:translate(0)}
  55% {clip-path:inset(0 0 100% 0); transform:translate(0)}
  56% {clip-path:inset(40% 0 30% 0); transform:translate(-4px,-1px)}
  56.5% {clip-path:inset(0 0 100% 0); transform:translate(0)}
  80% {clip-path:inset(0 0 100% 0); transform:translate(0)}
  81% {clip-path:inset(15% 0 50% 0); transform:translate(2px,0)}
  81.5% {clip-path:inset(65% 0 15% 0); transform:translate(-3px,1px)}
  82%,100% {clip-path:inset(0 0 100% 0); transform:translate(0)}
}
@keyframes glitch-after {
  0%,100% {clip-path:inset(0 0 100% 0); transform:translate(0)}
  7% {clip-path:inset(55% 0 15% 0); transform:translate(3px,1px)}
  7.5% {clip-path:inset(5% 0 70% 0); transform:translate(-2px,-1px)}
  8%,100% {clip-path:inset(0 0 100% 0); transform:translate(0)}
  33% {clip-path:inset(0 0 100% 0); transform:translate(0)}
  34% {clip-path:inset(75% 0 5% 0); transform:translate(2px,0)}
  35% {clip-path:inset(20% 0 55% 0); transform:translate(-3px,1px)}
  36%,100% {clip-path:inset(0 0 100% 0); transform:translate(0)}
  58% {clip-path:inset(0 0 100% 0); transform:translate(0)}
  59% {clip-path:inset(45% 0 25% 0); transform:translate(4px,-1px)}
  59.5% {clip-path:inset(0 0 100% 0); transform:translate(0)}
  83% {clip-path:inset(0 0 100% 0); transform:translate(0)}
  84% {clip-path:inset(60% 0 10% 0); transform:translate(-2px,1px)}
  84.5% {clip-path:inset(10% 0 65% 0); transform:translate(3px,0)}
  85%,100% {clip-path:inset(0 0 100% 0); transform:translate(0)}
}
.text-glitch { position: relative; display: inline-block; animation: glitch-skew 8s steps(1) infinite; }
.text-glitch::before, .text-glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}
.text-glitch::before { color: var(--red); z-index: -1; animation: glitch-before 8s steps(2,end) infinite; }
.text-glitch::after { color: var(--cyan); z-index: -1; animation: glitch-after 8s steps(2,end) infinite; }

/* ---------- CURSOR CYBER (implementacao exata do 4root.com.br) ---------- */
*,
*::before,
*::after {
  cursor: none !important;
}

@media (pointer: fine) {

  *,
  *::before,
  *::after {
    cursor: none !important;
  }
}

@media (pointer: coarse),
(max-width: 768px) {
  #cyber-cursor {
    display: none !important;
  }
}

#cyber-cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 24px;
  height: 24px;
  pointer-events: none;
  z-index: 999999;
  mix-blend-mode: difference;
  will-change: transform;
  opacity: 1;
  transition: opacity 0.4s ease;
}

/* Estado de inatividade (quando o mouse para por 2 segundos) */
#cyber-cursor.inactive {
  opacity: 0.15;
}

/* Estado oculto quando o mouse sai da janela */
#cyber-cursor.hidden {
  opacity: 0;
  visibility: hidden;
}

.cursor-glitch-effect {
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'><path d='M0 0 L18 6 L10 9 L6 18 Z' fill='%2300ff41'/></svg>");
  background-repeat: no-repeat;
  background-position: top left;
}

/* O glitch so e disparado quando esta classe e injetada via JS */
#cyber-cursor.glitch-active .cursor-glitch-effect {
  animation: cursor-flicker 0.25s steps(1, start) forwards;
}

@keyframes cursor-flicker {
  0% { opacity: 1; filter: none; }
  25% { opacity: 0.7; filter: drop-shadow(2px 0 #ff0040); }
  50% { opacity: 0.9; filter: drop-shadow(-2px 0 #00e5ff); }
  75% { opacity: 0.5; filter: drop-shadow(1px -1px #ff0040); }
  100% { opacity: 1; filter: none; }
}

#scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0;
  background: var(--neon);
  box-shadow: 0 0 8px rgba(0,255,65,.7);
  z-index: 200;
  transition: width .1s linear;
}

/* ---------- NAVBAR OFICIAL ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 50;
  transition: background-color .5s ease, backdrop-filter .5s ease, transform .4s ease, border-color .5s ease;
  background-color: transparent;
  border-bottom: 1px solid transparent;
  will-change: transform;
}
/* estado rolando — valores exatos do 4root.com.br */
.navbar.scrolled {
  background-color: rgba(5,5,5,.72);
  backdrop-filter: blur(16px) saturate(1.15);
  -webkit-backdrop-filter: blur(16px) saturate(1.15);
  border-bottom-color: rgba(0,255,65,.09);
}
/* oculto sempre que a pagina rola; volta no topo da pagina (JS) */
.navbar.nav-hidden { transform: translateY(-100%); }
.nav-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2.5rem;
  gap: 1rem;
}
.nav-links { display: none; align-items: center; gap: .25rem; }
.nav-link {
  position: relative;
  padding: .5rem 1rem;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .18em;
  color: var(--muted);
  transition: color .3s ease;
  border-radius: 2px;
}
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link.active { color: var(--neon); }
.nav-link .underline {
  position: absolute;
  bottom: -2px; left: .75rem; right: .75rem;
  height: 1px;
  background: var(--neon);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .32s var(--ease);
}
.nav-link:hover .underline, .nav-link.active .underline { transform: scaleX(1); }
/* ---- dropdown "Produtos" (igual ao 4root.com.br: hover/focus, sem JS) ---- */
.nav-drop { position: relative; }
/* reset só do que o <button> herda do UA; o resto vem do .nav-link */
.nav-drop-btn {
  font-family: inherit;
  line-height: inherit;
  background: none;
  border: 0;
  border-radius: 2px;
  cursor: pointer;
}
.nav-drop-btn .caret {
  width: .65rem;
  height: .65rem;
  margin-left: .35rem;
  transition: transform .3s ease;
}
.nav-drop-menu {
  position: absolute;
  top: calc(100% + .4rem);
  left: .25rem;
  min-width: 11rem;
  padding: .45rem 0;
  background: rgba(5, 5, 5, 0.94);
  border: 1px solid rgba(0, 255, 65, 0.14);
  border-radius: 2px;
  -webkit-backdrop-filter: blur(16px) saturate(1.15);
  backdrop-filter: blur(16px) saturate(1.15);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.55);
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .25s ease, transform .25s ease, visibility 0s linear .25s;
  z-index: 70;
}
/* ponte de hover: cobre o espaco entre o botao e o menu */
.nav-drop-menu::before {
  content: "";
  position: absolute;
  top: -0.5rem;
  left: 0;
  right: 0;
  height: 0.5rem;
}
.nav-drop:hover .nav-drop-menu,
.nav-drop:focus-within .nav-drop-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity .25s ease, transform .25s ease, visibility 0s;
}
.nav-drop:hover .caret,
.nav-drop:focus-within .caret { transform: rotate(180deg); }
.nav-drop-menu a {
  padding: .6rem 1.15rem;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .18em;
  color: var(--muted);
  white-space: nowrap;
  transition: color .2s ease, background-color .2s ease;
}
.nav-drop-menu a:hover { color: var(--text); background: rgba(0, 255, 65, 0.07); }
.nav-drop-menu a.active { color: var(--neon); }
.nav-drop.has-active .nav-drop-btn { color: var(--neon); }
.nav-drop.has-active .nav-drop-btn .underline { transform: scaleX(1); }
.nav-search-btn {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .45rem .85rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--muted);
  font-size: .72rem;
  letter-spacing: .08em;
  transition: border-color .3s, color .3s;
}
.nav-search-btn:hover { border-color: rgba(0,255,65,.4); color: var(--text); }
.nav-search-btn kbd {
  font-family: 'JetBrains Mono', monospace;
  font-size: .6rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 1px 5px;
  color: var(--muted);
}
.mobile-menu-btn { display: flex; align-items: center; color: var(--text); }

.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgba(5,5,5,.95);
  backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}
.mobile-menu-overlay.open { opacity: 1; pointer-events: auto; }
.mobile-menu-overlay a {
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: .2em;
  color: var(--muted);
  transition: color .3s ease;
}
.mobile-menu-overlay a:hover, .mobile-menu-overlay a.active { color: var(--neon); }

/* ---------- HERO OFICIAL (particulas + typewriter + glitch) ---------- */
.hero-section {
  position: relative;
  display: flex;
  min-height: 100vh;
  width: 100%;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.hero-section canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
.hero-gradient {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(5,5,5,.3) 0%, transparent 50%, rgba(5,5,5,1) 100%);
  opacity: 0;
  animation: fade-in 2s ease-in-out forwards;
}
.hero-content {
  position: relative;
  z-index: 10;
  max-width: var(--wrap);
  margin: 0 auto;
  width: 100%;
  padding: 7.5rem 1.5rem 4rem;
}
/* ---------- ENTRADA DO INDEX: FADE + BLUR ----------
   blocos do hero surgem em sequencia: desfocados -> foco (estilo 4root) */
@keyframes hero-blur-in {
  from { opacity: 0; filter: blur(16px); transform: translateY(14px) scale(.985); }
  60%  { opacity: 1; }
  to   { opacity: 1; filter: blur(0); transform: translateY(0) scale(1); }
}
.hero-status, .hero-title, .hero-motto, .hero-ctas, .hero-right {
  animation: hero-blur-in .75s var(--ease-out) backwards;
}
.hero-status { animation-delay: .05s; }
.hero-title  { animation-delay: .16s; }
.hero-motto  { animation-delay: .3s; }
.hero-right  { animation-delay: .3s; }
.hero-ctas   { animation-delay: .42s; }
.hero-status {
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: .75rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .25em;
  color: var(--muted);
}
.hero-status .dot {
  width: .5rem; height: .5rem;
  border-radius: 50%;
  background: var(--neon);
  flex-shrink: 0;
}
.hero-title {
  font-family: 'Ubuntu', sans-serif;
  font-weight: 700;
  line-height: .95;
  letter-spacing: -.03em;
  user-select: none;
  font-size: clamp(2.6rem, 8vw, 4.6rem);
  color: var(--text);
}
.hero-title .line { display: block; overflow: hidden; }
.hero-title .line > span { display: inline-block; }
/* marca "#_4root academy" no hero (tipografia identica ao nav-logo) */
.hero-title .brand-logo { white-space: nowrap; }
/* selo "academy" — linha de baixo, cinza, espacado (estilo selo 4root) */
.hero-title .hero-academy {
  font-family: 'QB One', sans-serif;
  font-weight: 600;
  font-size: 0.66em;
  letter-spacing: 0.15em;
  text-transform: lowercase;
  color: var(--muted);
  margin-top: 0em;
}
/* reducao do espaco vertical entre o #_4root e o academy:
   o strut da .line herda line-height .95 sobre a FONTE GRANDE do h1
   (~70px), criando um vazio mesmo com margin-top 0. line-height .7
   no ULTIMO line encolhe o strut mantendo o texto inteiro visivel */
.hero-title .line:last-child { line-height: .7; }
.hero-motto {
  font-size: .9rem;
  color: var(--text);
  letter-spacing: .15em;
  margin-top: 1.4rem;
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
}
.hero-motto .motto-bracket { color: var(--muted); font-weight: 700; }
/* subtitle no lado direito (grid 2 colunas) */
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: 3rem;
  align-items: center;
  margin-top: 1.2rem;
}
.hero-left { min-width: 0; }
.hero-right {
  border-left: 1px solid var(--line);
  padding: .6rem 0 .6rem 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  min-width: 0;
}
.hero-subtitle-wrap { position: relative; margin-top: 0; max-width: 42rem; }
.hero-subtitle { font-size: .875rem; line-height: 1.625; color: var(--muted); }
.hero-proximity-text {
  pointer-events: none;
  position: absolute;
  inset: 0;
  font-size: .875rem;
  line-height: 1.625;
  color: var(--neon);
  -webkit-mask-image: radial-gradient(circle 130px at var(--mask-x,-200px) var(--mask-y,-200px), #000 0%, #000 40%, transparent 75%);
  mask-image: radial-gradient(circle 130px at var(--mask-x,-200px) var(--mask-y,-200px), #000 0%, #000 40%, transparent 75%);
  text-shadow: 0 0 8px rgba(0,255,65,.7);
  opacity: 0;
  transition: opacity .4s ease;
}
.hero-subtitle-wrap:hover .hero-proximity-text { opacity: 1; }
.hero-ctas {
  margin-top: 2.6rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

/* ---------- BOTOES OFICIAIS ---------- */
.cta-primary, .btn-neon {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.75rem;
  border-radius: 2px;
  background: var(--neon);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .2em;
  color: #000 !important;
  font-weight: 600;
  transition: box-shadow .3s ease, transform .2s ease;
  position: relative;
}
.cta-primary:hover, .btn-neon:hover { box-shadow: 0 0 25px rgba(0,255,65,.5); }
.cta-secondary, .btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.75rem;
  border-radius: 2px;
  border: 1px solid rgba(255,255,255,.15);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .2em;
  color: var(--text);
  transition: border-color .3s ease, color .3s ease;
}
.cta-secondary:hover, .btn-ghost:hover { border-color: var(--neon); color: var(--neon); }
.cta-primary .ic, .btn-neon .ic, .cta-secondary .ic, .btn-ghost .ic { width: 15px; height: 15px; }

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  color: var(--muted);
  transition: color .3s ease;
}
.hero-scroll-indicator:hover { color: var(--neon); }

/* ---------- SECOES (oficiais) ---------- */
.section {
  position: relative;
  border-top: 1px solid var(--line);
  padding: 4.5rem 0;
}
.section-alt { background: var(--bg-alt); }
.section-inner { max-width: var(--wrap); margin: 0 auto; padding: 0 1.5rem; }
.section-label {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .8rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}
.section-label .label-bar { width: 2rem; height: 1px; background: var(--neon); }
.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--text);
  margin-bottom: 1rem;
}
.section-desc { max-width: 36rem; font-size: .875rem; line-height: 1.625; color: var(--muted); }

/* ---------- CARDS DE CURSO (estilo Udemy + tool-card 4root) ---------- */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
  margin-top: 3rem;
}
.course-card {
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--card);
  overflow: hidden;
  transition: border-color .4s ease, box-shadow .45s ease, transform .3s var(--ease), opacity .55s ease;
}
.course-card:hover {
  border-color: rgba(10,213,61,.287);
  box-shadow: 0 0 8px rgba(10,213,61,.264), 0 0 20px rgba(10,213,61,.104), 0 0 40px rgba(10,213,61,.2);
  transform: translateY(-3px);
}
.course-cover { position: relative; aspect-ratio: 16/9; overflow: hidden; background: #060606; }
.course-cover img, .course-cover svg { width: 100%; height: 100%; object-fit: cover; display: block; }
.course-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(180deg, rgba(0,255,65,.02) 0px, rgba(0,255,65,.02) 1px, transparent 1px, transparent 3px);
}
.cover-badge {
  position: absolute;
  top: .65rem; left: .65rem;
  z-index: 2;
  font-size: .625rem;
  text-transform: uppercase;
  letter-spacing: .15em;
  padding: .2rem .6rem;
  border-radius: 2px;
  border: 1px solid;
  background: rgba(5,5,5,.75);
  backdrop-filter: blur(4px);
}
.level-facil { color: var(--neon); border-color: rgba(0,255,65,.4); }
.level-medio { color: var(--yellow); border-color: rgba(253,224,71,.4); }
.level-root { color: var(--coral); border-color: rgba(248,113,113,.4); }
.level-none { color: var(--muted); border-color: var(--line); }
.course-body { padding: 1.25rem; display: flex; flex-direction: column; gap: .6rem; flex: 1; }
.course-name { font-size: 1.125rem; font-weight: 600; color: var(--text); line-height: 1.3; }
.course-card:hover .course-name { color: rgba(0,255,64,.704); }
.course-desc {
  font-size: .75rem;
  line-height: 1.625;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.course-meta {
  display: flex;
  align-items: center;
  gap: .9rem;
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--muted);
  margin-top: auto;
  padding-top: .75rem;
  border-top: 1px solid var(--line);
}
.course-meta .cm { display: inline-flex; align-items: center; gap: .35rem; }
.course-meta .ic { width: 13px; height: 13px; }
.course-card .card-arrow {
  position: absolute;
  top: .75rem; right: .75rem;
  z-index: 2;
  width: 30px; height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5,5,5,.7);
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--muted);
  transition: all .3s ease;
}
.course-card:hover .card-arrow { color: #000; background: var(--neon); border-color: var(--neon); }
.card-arrow .ic { width: 15px; height: 15px; }

/* capa real (imagem da pasta da trilha) + chip de categoria */
.course-cover .cover-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.85) contrast(1.05);
  transition: transform .5s ease, filter .3s ease;
}
.course-card:hover .cover-img { transform: scale(1.04); filter: saturate(1) contrast(1.08); }
.course-cover .cover-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5,5,5,0) 30%, rgba(5,5,5,.35) 75%, rgba(5,5,5,.6) 100%);
}
.cover-badge { top: auto !important; bottom: .65rem; }
/* titulo de grupo (pasta-categoria) no catalogo */
.cat-title {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: .12em;
  margin: 3rem 0 1.2rem;
}
.cat-title .ic { width: 16px; height: 16px; color: var(--neon); }
.cat-title:first-of-type { margin-top: 0; }
/* capa no hero da landing */
.course-hero .ch-cover {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: .16;
  filter: saturate(.8);
  pointer-events: none;
}

/* ---------- LANDING DO CURSO (estilo Udemy) ---------- */
.course-hero {
  position: relative;
  padding: 7.5rem 0 3.5rem;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(ellipse 60% 80% at 15% 0%, rgba(0,255,65,.06), transparent 60%),
    var(--bg-alt);
  overflow: hidden;
}
.course-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,255,65,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,65,.03) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}
.course-hero-inner {
  position: relative;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.crumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .45rem;
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--muted);
  margin-bottom: 1.4rem;
}
.crumbs a { color: var(--muted); transition: color .3s; display: inline-flex; align-items: center; gap: .35rem; }
.crumbs a:hover { color: var(--neon); }
.crumbs .sep { color: var(--line); }
.crumbs .here { color: var(--text); }
.crumbs .ic { width: 13px; height: 13px; }
.course-hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.1;
  max-width: 50rem;
}
.course-hero .ch-desc {
  margin-top: 1rem;
  max-width: 44rem;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--muted);
}
.ch-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
  margin-top: 1.4rem;
}
.ch-chip {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: .3rem .7rem;
  background: rgba(5,5,5,.6);
}
.ch-chip .ic { width: 13px; height: 13px; color: var(--neon); }
.ch-actions { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }

/* topicos da trilha — mesmos cards de curso (courses-grid), clique abre
   o modal de leitura; .topics-cards so ajusta o ritmo da grade */
.topics-cards { margin-top: 2rem; }
.topics-cards .course-card { cursor: pointer; }
.topics-cards .course-card:focus-visible { outline: 1px solid var(--neon); outline-offset: 2px; }
.topics-cards .cover-badge { font-family: 'JetBrains Mono', monospace; letter-spacing: .1em; }

/* ---------- BARRA LATERAL DE LEITURA (nota + modal) ----------
   Colada no canto esquerdo, altura da tela, scroll propio, alca de
   arraste p/ redimensionar. Arvore completa da trilha mapeada. */
.note-layout { display: flex; align-items: flex-start; }
.note-layout.no-side { display: block; }
.note-view { padding: 0 0 4rem; }
.note-container {
  max-width: 52rem;
  margin: 0 auto;
  padding: 6.2rem 1.5rem 4rem;
  min-width: 0;
  flex: 1;
}
.note-layout.no-side .note-container { max-width: 52rem; }
.note-side {
  position: sticky;
  top: 0;
  align-self: flex-start;
  width: var(--snw, 292px);
  min-width: 232px;
  max-width: min(520px, 42vw);
  height: 100vh;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: .7rem;
  padding: 5.6rem .75rem .9rem .75rem;
  border-right: 1px solid var(--line);
  background: rgba(6,6,6,.86);
  z-index: 30;
}
.sn-resizer {
  position: absolute;
  top: 0; right: -3px; bottom: 0;
  width: 7px;
  cursor: col-resize;
  z-index: 6;
  background: transparent;
  transition: background .2s ease;
}
.sn-resizer::after {
  content: "";
  position: absolute;
  top: 50%; right: 2.5px;
  transform: translateY(-50%);
  width: 2px; height: 42px;
  border-radius: 2px;
  background: rgba(0,255,65,.22);
  transition: background .2s ease;
}
.sn-resizer:hover, .sn-resizer.dragging { background: rgba(0,255,65,.06); }
.sn-resizer:hover::after, .sn-resizer.dragging::after { background: var(--neon); box-shadow: 0 0 8px rgba(0,255,65,.6); }
body.resizing { cursor: col-resize !important; user-select: none !important; }
body.resizing iframe { pointer-events: none; }
.side-search { width: 100%; justify-content: flex-start; flex-shrink: 0; }
.side-search kbd { margin-left: auto; }
/* barra da gaveta do curriculo: existe so no mobile (no @media 1000px
   ela vira o toggle que recolhe/expande a arvore da trilha) */
.sn-collapse { display: none; }
.side-nav {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  border: 1px solid var(--line);
  background: rgba(8,8,8,.72);
}
/* sn-head: volta para a trilha selecionada */
.sn-head {
  display: block;
  padding: .9rem 1rem .8rem;
  padding-right: 1.6rem;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(0,255,65,.08), transparent 70%);
  color: inherit;
  text-decoration: none;
  flex-shrink: 0;
  transition: background .25s ease;
}
.sn-head:hover { background: rgba(0,255,65,.1); }
.sn-head-row { display: flex; align-items: center; justify-content: space-between; gap: .5rem; }
.sn-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: .62rem;
  text-transform: uppercase;
  letter-spacing: .18em;
  color: var(--neon);
}
.sn-back { width: 14px; height: 14px; color: var(--muted); transition: all .25s ease; }
.sn-head:hover .sn-back { color: var(--neon); transform: translateX(-3px); }
.sn-title {
  display: block;
  margin-top: .4rem;
  font-size: .92rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}
.sn-meta {
  display: block;
  margin-top: .25rem;
  font-size: .6rem;
  color: var(--muted);
  letter-spacing: .1em;
  text-transform: uppercase;
}
/* arvore: nos de pasta + anotacoes */
.sn-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: .55rem .55rem .9rem;
}
.sn-node { margin-top: .15rem; }
.sn-node .sn-node { margin-top: 0; }
.sn-mod {
  display: flex;
  align-items: center;
  gap: .15rem;
  font-size: .66rem;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--muted);
  transition: color .25s ease;
}
.sn-tw {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 24px;
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 0;
  transition: color .2s ease;
}
.sn-tw:hover { color: var(--neon); }
.sn-chev { width: 12px; height: 12px; transition: transform .22s ease; }
.sn-node.exp > .sn-mod .sn-chev { transform: rotate(90deg); }
.sn-node.exp > .sn-mod .sn-tw { color: var(--neon); }
/* expandir/recolher suave (estilo Obsidian): grade 0fr -> 1fr */
.sn-kids {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .3s var(--ease);
}
.sn-node.exp > .sn-kids { grid-template-rows: 1fr; }
/* filhos indentados com guia vertical (subpasta NUNCA na mesma linha
   visual da pasta pai — hierarquia fica evidente na arvore) */
.sn-kids-in {
  overflow: hidden;
  min-height: 0;
  margin-left: 10px;
  padding-left: .85rem;
  border-left: 1px solid rgba(0,255,65,.16);
}
.sn-mod-t {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: .42rem .2rem;
  cursor: pointer;
  color: inherit;
  text-decoration: none;
  transition: color .2s ease;
}
a.sn-mod-t:hover, .sn-mod-fold:hover { color: var(--neon); }
.sn-mod-n {
  font-size: .58rem;
  color: var(--neon);
  border: 1px solid var(--line);
  padding: .02rem .32rem;
  flex-shrink: 0;
  margin-right: .35rem;
}
.sn-link {
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: .42rem .5rem .42rem .55rem;
  margin-left: 1rem;
  font-size: .8rem;
  line-height: 1.4;
  color: var(--muted);
  border-left: 2px solid transparent;
  transition: all .2s ease;
}
.sn-kids .sn-node .sn-link { margin-left: 2rem; }
.sn-link:hover { color: var(--text); background: rgba(0,255,65,.04); border-left-color: rgba(0,255,65,.35); }
.sn-link.active {
  color: var(--neon);
  border-left-color: var(--neon);
  background: rgba(0,255,65,.07);
}
.sn-num { font-size: .62rem; color: var(--neon); opacity: .75; flex-shrink: 0; width: 1.5rem; }
.sn-link.active .sn-num { opacity: 1; }
.sn-t { flex: 1; min-width: 0; }
.sn-empty { padding: .8rem .6rem; font-size: .75rem; color: var(--muted); }
/* barra de rolagem no estilo 4root (fina, neon, trilha + modal) */
.sn-scroll, .nm-content {
  scrollbar-width: thin;
  scrollbar-color: rgba(0,255,65,.35) transparent;
}
.sn-scroll::-webkit-scrollbar, .nm-content::-webkit-scrollbar { width: 5px; height: 5px; }
.sn-scroll::-webkit-scrollbar-track, .nm-content::-webkit-scrollbar-track { background: transparent; }
.sn-scroll::-webkit-scrollbar-thumb, .nm-content::-webkit-scrollbar-thumb {
  background: rgba(0,255,65,.35);
  border-radius: 4px;
}
.sn-scroll::-webkit-scrollbar-thumb:hover, .nm-content::-webkit-scrollbar-thumb:hover {
  background: rgba(0,255,65,.55);
}

/* ---------- MODAL DE LEITURA (topicos da trilha) ---------- */
.note-modal {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: none;
  align-items: stretch;
  justify-content: center;
  padding: 0;
}
.note-modal.open { display: flex; }
/* saida suave: .closing segura o modal visivel enquanto anima */
.note-modal.closing { pointer-events: none; }
.note-modal.closing .nm-backdrop { animation: fade-out .22s ease-in both; }
.note-modal.closing .nm-window { animation: fade-out-down .22s ease-in both; }
.nm-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5,5,5,.9);
  backdrop-filter: blur(8px);
}
.nm-window {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  border: none;
  border-top: 1px solid rgba(0,255,65,.3);
  background: var(--bg);
  box-shadow: none;
  animation: fade-in-up .28s ease-out;
  min-height: 0;
}
.nm-head {
  display: flex;
  align-items: center;
  gap: .9rem;
  padding: .7rem 1rem;
  border-bottom: 1px solid var(--line);
  background: rgba(8,8,8,.9);
  flex-shrink: 0;
}
.nm-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  margin-left: auto;
  background: none;
  border: 1px solid var(--line);
  color: var(--muted);
  cursor: pointer;
  transition: all .25s ease;
  flex-shrink: 0;
}
.nm-close:hover { color: var(--red); border-color: rgba(248,113,113,.5); }
.nm-close .ic { width: 15px; height: 15px; }
/* botao para ocultar/mostrar o side-nav do modal */
.nm-side-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  background: none;
  border: 1px solid var(--line);
  color: var(--muted);
  cursor: pointer;
  transition: all .25s ease;
  flex-shrink: 0;
}
.nm-side-toggle:hover { color: var(--neon); border-color: rgba(0,255,65,.5); }
.nm-side-toggle .ic { width: 15px; height: 15px; }
.nm-side-toggle[aria-pressed="true"] { color: var(--neon); border-color: rgba(0,255,65,.45); background: rgba(0,255,65,.06); }
/* side-nav oculto: largura colapsa com transicao, conteudo cresce suave */
.note-modal.nm-side-hidden .nm-side {
  width: 0;
  min-width: 0;
  padding-left: 0;
  padding-right: 0;
  opacity: 0;
  pointer-events: none;
  border-right-color: transparent;
}
.nm-crumb {
  display: flex;
  align-items: center;
  gap: .6rem;
  min-width: 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}
.nm-crumb .nm-label { color: var(--neon); flex-shrink: 0; }
.nm-crumb .nm-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
}
.nm-body { display: flex; flex: 1; min-height: 0; }
.nm-side {
  position: relative;
  width: var(--nmw, 280px);
  min-width: 232px;
  max-width: min(520px, 48vw);
  flex-shrink: 0;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  padding: .75rem .75rem .75rem .75rem;
  min-height: 0;
  background: rgba(6,6,6,.6);
  transition: width .32s var(--ease), min-width .32s var(--ease), max-height .34s var(--ease),
              padding .32s var(--ease), opacity .22s ease, border-right-color .3s ease,
              border-bottom-color .3s ease;
}
.nm-side .side-nav { flex: 1; min-height: 0; }
/* wrapper da arvore no modal: precisa encolher p/ o sn-scroll ganhar barra */
.nm-side-inner { display: flex; flex-direction: column; flex: 1; min-height: 0; min-width: 0; overflow: hidden; }
.nm-side .side-search { margin-bottom: .7rem; flex-shrink: 0; }
.nm-content {
  flex: 1;
  min-width: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 2.2rem 2.6rem 3rem;
  background:
    radial-gradient(ellipse 55% 60% at 50% 0%, rgba(0,255,65,.03), transparent 70%),
    var(--bg);
}
.nm-article { max-width: 52rem; margin: 0 auto; }
.nm-article .note-crumbs { display: none; }
/* troca de nota dentro do modal: fade + rise a cada render */
.nm-article.swap-in { animation: article-in .32s var(--ease-out) backwards; }
.nm-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 5rem 1rem;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.nm-loading .dot { width: .5rem; height: .5rem; border-radius: 50%; background: var(--neon); animation: caret-blink 1s steps(2) infinite; }
.nm-error { padding: 4rem 2rem; text-align: center; color: var(--muted); font-size: .85rem; line-height: 1.7; }
.nm-error .neon-text { font-family: 'JetBrains Mono', monospace; }
.module { border: 1px solid var(--line); border-radius: 2px; background: var(--card); margin-bottom: .8rem; overflow: hidden; }
.lesson-row {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: .75rem 1.25rem;
  border-bottom: 1px solid rgba(31,31,31,.5);
  font-size: .85rem;
  transition: background .25s ease;
}
.lesson-row:last-child { border-bottom: none; }
.lesson-row:hover { background: rgba(0,255,65,.03); }
.lesson-row .lr-state { width: 18px; height: 18px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; color: var(--muted); }
.lesson-row .lr-state .ic { width: 15px; height: 15px; }
.lesson-row .lr-title { flex: 1; color: var(--text); }

/* sobre a trilha (folder note) */
.about-course { max-width: var(--wrap); margin: 0 auto; padding: 0 1.5rem; }
.about-course > .section-label { margin-bottom: 1rem; }

/* ---------- VISAO DA NOTA (obsidian view) ---------- */
.note-crumbs { margin-bottom: 2rem; }
.note-container h1.lesson-title {
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.15;
  margin-bottom: 1rem;
}
.video-slot {
  margin: 0 0 2.2rem;
  border: 1px solid var(--line);
  background: rgba(8,8,8,.7);
}
.video-slot .vs-head {
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: .6rem .95rem;
  border-bottom: 1px solid var(--line);
  font-family: 'JetBrains Mono', monospace;
  font-size: .66rem;
  text-transform: uppercase;
  letter-spacing: .18em;
  color: var(--neon);
}
.video-slot .vs-head .ic { width: 14px; height: 14px; }
.video-slot .yt-embed { margin: 1rem; }
.vs-placeholder {
  aspect-ratio: 16/9;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  text-align: center;
  padding: 1.5rem;
  margin: 1rem;
  border: 1px dashed rgba(0,255,65,.28);
  color: var(--muted);
  background: repeating-linear-gradient(45deg, rgba(0,255,65,.02) 0 10px, transparent 10px 20px);
}
.vs-placeholder b { color: var(--text); font-size: .95rem; }
.vs-placeholder span { font-size: .74rem; max-width: 27rem; line-height: 1.65; }
.vs-placeholder code {
  font-size: .7rem;
  color: var(--cyan);
  background: rgba(0,229,255,.06);
  border: 1px solid rgba(0,229,255,.2);
  padding: .06rem .35rem;
}
.vs-play {
  width: 52px; height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0,255,65,.4);
  border-radius: 50%;
  color: var(--neon);
  box-shadow: 0 0 18px rgba(0,255,65,.15);
  flex-shrink: 0;
}
.vs-play .ic { width: 20px; height: 20px; }
.lesson-tags { display: flex; flex-wrap: wrap; gap: .45rem; margin: 0 0 1.5rem; }
.lesson-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  font-size: .72rem;
  color: var(--muted);
  margin-bottom: 1.6rem;
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--line);
}
.lesson-meta-row .lm { display: inline-flex; align-items: center; gap: .4rem; }
.lesson-meta-row .ic { width: 13px; height: 13px; color: var(--neon); }

/* prev-next da aula (topo + rodape) */
.lesson-footer {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}
/* variante no topo da nota: logo abaixo do cabecalho, antes do video */
.lesson-footer.lf-top {
  margin-top: 1.6rem;
  padding: 0 0 1.5rem;
  border-top: none;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2.2rem;
}
.lf-prev, .lf-next {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .15em;
  color: var(--muted);
  transition: color .3s;
  max-width: 40%;
}
.lf-prev:hover, .lf-next:hover { color: var(--neon); }
.lf-prev span, .lf-next span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lf-next { margin-left: auto; text-align: right; }

/* ---------- CONTEUDO MARKDOWN (leitura limpa, acentos 4root) ---------- */
.markdown-content {
  font-size: .95rem;
  line-height: 1.75;
  color: #d6d6d6;
  word-wrap: break-word;
}
.markdown-content > * + * { margin-top: 1.1em; }
.markdown-content h1, .markdown-content h2, .markdown-content h3,
.markdown-content h4, .markdown-content h5, .markdown-content h6 {
  color: var(--text);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -.01em;
  scroll-margin-top: 90px;
}
.markdown-content h1 { font-size: 1.9rem; margin-top: 2.2rem; border-bottom: 1px solid var(--line); padding-bottom: .5rem; }
.markdown-content h2 { font-size: 1.5rem; margin-top: 2.2rem; }
.markdown-content h2::before {
  content: "// ";
  color: var(--neon);
  font-weight: 700;
}
.markdown-content h3 { font-size: 1.2rem; margin-top: 1.8rem; }
.markdown-content h4 { font-size: 1.02rem; margin-top: 1.5rem; color: #cfcfcf; }
.markdown-content h5, .markdown-content h6 { font-size: .92rem; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; }
.markdown-content p { margin-top: 1.1em; }
.markdown-content strong { color: var(--text); font-weight: 600; }
.markdown-content em { color: #e0e0e0; }
.markdown-content del { color: var(--muted); }
.markdown-content mark.hl-neon {
  background: rgba(0,255,65,.14);
  color: var(--neon);
  padding: .05em .3em;
  border-radius: 2px;
  box-shadow: inset 0 0 0 1px rgba(0,255,65,.25);
}
.markdown-content a:not(.tag-chip):not(.btn-neon):not(.btn-ghost):not(.cta-primary):not(.cta-secondary) {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(0,255,65,.3);
  transition: border-color .3s, text-shadow .3s;
}
.markdown-content a:hover { border-bottom-color: var(--neon); text-shadow: 0 0 8px rgba(0,255,65,.5); }
.markdown-content a.broken-link { color: var(--muted); border-bottom: 1px dashed var(--line); cursor: help; }

/* listas */
.markdown-content ul, .markdown-content ol { padding-left: 1.6rem; margin-top: 1.1em; }
.markdown-content ul li, .markdown-content ol li { margin: .35em 0; text-align: left; }
.markdown-content ul > li::marker { content: "▸ "; color: var(--neon); }
.markdown-content ol > li::marker { color: var(--neon); font-family: 'JetBrains Mono', monospace; font-size: .85em; }
.markdown-content ul ul, .markdown-content ol ol, .markdown-content ul ol, .markdown-content ol ul { margin-top: .35em; }

/* task lists interativas */
.task-item { display: inline-flex; align-items: baseline; gap: .55rem; }
.task-box {
  appearance: none;
  width: 15px; height: 15px;
  border: 1px solid rgba(0,255,65,.5);
  border-radius: 2px;
  background: transparent;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transform: translateY(2px);
  transition: all .25s ease;
}
.task-box:hover { box-shadow: 0 0 8px rgba(0,255,65,.4); }
.task-box:checked { background: var(--neon); border-color: var(--neon); }
.task-box:checked::after {
  content: "";
  position: absolute;
  left: 4px; top: 1px;
  width: 4px; height: 8px;
  border: solid #000;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.task-box:checked + .task-txt { color: var(--muted); text-decoration: line-through; text-decoration-color: rgba(0,255,65,.4); }
li:has(> .task-item) { list-style: none; margin-left: -1.2rem; }

/* blockquote */
.markdown-content blockquote {
  border-left: 2px solid var(--neon);
  padding: .4rem 0 .4rem 1.2rem;
  color: var(--muted);
  background: linear-gradient(90deg, rgba(0,255,65,.04), transparent 70%);
}

/* hr */
.markdown-content hr {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, var(--neon), transparent 70%);
  opacity: .4;
  margin: 2.2rem 0;
}

/* codigo inline + bloco */
.markdown-content code {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: .84em;
  background: rgba(0,255,65,.07);
  border: 1px solid rgba(0,255,65,.14);
  color: var(--neon);
  padding: .12em .4em;
  border-radius: 2px;
}
.markdown-content pre {
  position: relative;
  background: #060606;
  border: 1px solid var(--line);
  border-left: 2px solid rgba(0,255,65,.55);
  border-radius: 2px;
  padding: 1.1rem 1.2rem;
  overflow-x: auto;
  scrollbar-width: thin;
}
.markdown-content pre::-webkit-scrollbar { height: 4px; }
.markdown-content pre::-webkit-scrollbar-thumb { background: var(--line); }
.markdown-content pre code {
  background: none;
  border: none;
  padding: 0;
  color: #d6d6d6;
  font-size: .84rem;
  line-height: 1.65;
  display: block;
}
.code-lang {
  position: absolute;
  top: 0; right: 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: .62rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--neon);
  background: rgba(0,255,65,.07);
  border: 1px solid rgba(0,255,65,.2);
  border-top: none;
  border-right: none;
  padding: .25rem .7rem;
  border-radius: 0 0 0 2px;
}
.hljs { background: transparent !important; }

/* tabelas */
.markdown-content table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--line);
  font-size: .84rem;
  display: block;
  overflow-x: auto;
  scrollbar-width: thin;
}
.markdown-content th, .markdown-content td {
  border: 1px solid var(--line);
  padding: .55rem .85rem;
  text-align: left;
}
.markdown-content th {
  background: rgba(0,255,65,.06);
  color: var(--neon);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .1em;
}
.markdown-content tr:hover td { background: rgba(0,255,65,.02); }

/* imagens / midia */
.markdown-content img.obsidian-media {
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 2px;
  margin: .4rem auto;
  transition: border-color .3s;
}
.markdown-content a.media-zoom { border-bottom: none !important; display: inline-block; cursor: zoom-in; }
.markdown-content a.media-zoom:hover img { border-color: rgba(0,255,65,.4); }
.markdown-content video, .markdown-content audio { width: 100%; border-radius: 2px; }
.pdf-frame { border: 1px solid var(--line); border-radius: 2px; overflow: hidden; }
.pdf-frame object { width: 100%; height: 520px; display: block; background: #0a0a0a; }

/* youtube facade */
.yt-embed {
  position: relative;
  aspect-ratio: 16/9;
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  cursor: pointer;
  background: #000;
}
.yt-embed img { width: 100%; height: 100%; object-fit: cover; opacity: .55; transition: all .4s ease; }
.yt-embed:hover img { opacity: .8; transform: scale(1.02); }
.yt-play {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 68px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,255,65,.92);
  border-radius: 4px;
  color: #000;
  transition: all .3s ease;
  box-shadow: 0 0 20px rgba(0,255,65,.4);
}
.yt-play .ic { width: 26px; height: 26px; fill: #000; stroke: #000; }
.yt-embed:hover .yt-play { box-shadow: 0 0 34px rgba(0,255,65,.7); }
.yt-label {
  position: absolute;
  bottom: .6rem; left: .8rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: .62rem;
  color: var(--muted);
  background: rgba(5,5,5,.8);
  padding: .2rem .5rem;
  border-radius: 2px;
}

/* callouts 4root — uma cor por familia de anotacao */
.callout {
  border: 1px solid var(--line);
  border-left: 2px solid var(--neon);
  border-radius: 2px;
  background: var(--card);
  overflow: hidden;
}
.callout .co-head {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .7rem 1.1rem;
  font-weight: 600;
  font-size: .82rem;
  color: var(--text);
}
.callout .co-ic { width: 16px; height: 16px; color: var(--neon); flex-shrink: 0; }
.callout .co-title { text-transform: none; letter-spacing: 0; }
.callout .co-body { padding: .2rem 1.1rem .9rem; font-size: .88rem; }
.callout.co-note { border-left-color: var(--neon); border-color: rgba(0,255,65,.22); background: rgba(0,255,65,.045); }
.callout.co-note .co-ic, .callout.co-note .co-title { color: var(--neon); }
.callout.co-cyan { border-left-color: var(--cyan); border-color: rgba(0,229,255,.22); background: rgba(0,229,255,.045); }
.callout.co-cyan .co-ic, .callout.co-cyan .co-title { color: var(--cyan); }
.callout.co-purple { border-left-color: #b26bff; border-color: rgba(178,107,255,.24); background: rgba(178,107,255,.05); }
.callout.co-purple .co-ic, .callout.co-purple .co-title { color: #b26bff; }
.callout.co-warn { border-left-color: var(--yellow); border-color: rgba(255,204,0,.22); background: rgba(255,204,0,.045); }
.callout.co-warn .co-ic, .callout.co-warn .co-title { color: var(--yellow); }
.callout.co-red { border-left-color: var(--red); border-color: rgba(255,0,64,.24); background: rgba(255,0,64,.05); }
.callout.co-red .co-ic, .callout.co-red .co-title { color: var(--red); }
.callout.co-quote { border-left-color: var(--muted); background: rgba(138,138,138,.05); }
.callout.co-quote .co-ic, .callout.co-quote .co-title { color: var(--muted); }
.callout .co-body a { border-bottom-color: rgba(0,255,65,.35); }
.callout.callout-fold .co-head { cursor: pointer; list-style: none; }
.callout.callout-fold .co-head::-webkit-details-marker { display: none; }
.callout .co-fold { display: flex; align-items: center; transition: transform .3s ease; color: var(--muted); }
.callout.callout-fold[open] .co-fold { transform: rotate(90deg); color: var(--neon); }
.callout .co-body > *:first-child { margin-top: .6rem; }
.callout .co-body > *:last-child { margin-bottom: 0; }

/* aviso de conteudo IA */
.ai-notice {
  margin-top: 1.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--muted);
  border: 1px dashed rgba(0,255,65,.28);
  padding: .6rem .95rem;
  display: inline-flex;
  align-items: flex-start;
  gap: .55rem;
  max-width: 44rem;
  background: rgba(0,255,65,.02);
  text-align: left;
}
.ai-notice .ic { width: 15px; height: 15px; color: var(--neon); flex-shrink: 0; margin-top: .05rem; }
.ai-notice a { color: var(--neon); text-decoration: none; border-bottom: 1px solid rgba(0,255,65,.4); }
.ai-notice a:hover { border-bottom-color: var(--neon); background: rgba(0,255,65,.06); }

/* mermaid */
.mermaid {
  display: flex;
  justify-content: center;
  background: #060606;
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 1.2rem;
  overflow-x: auto;
}
.mermaid svg { max-width: 100%; height: auto; }

/* katex — fórmulas com painel proprio (ciano) */
.katex-display { overflow-x: auto; overflow-y: hidden; padding: .4rem 0; scrollbar-width: thin; }
.math-block {
  position: relative;
  margin: 1.5rem 0;
  padding: 1.5rem 1.2rem .6rem;
  background: rgba(0,229,255,.045);
  border: 1px solid rgba(0,229,255,.22);
  border-left: 2px solid var(--cyan);
  overflow-x: auto;
  scrollbar-width: thin;
}
.math-block::-webkit-scrollbar { height: 4px; }
.math-block::-webkit-scrollbar-thumb { background: rgba(0,229,255,.3); }
.math-block .math-tag {
  position: absolute;
  top: 0; left: 0;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: .58rem;
  text-transform: uppercase;
  letter-spacing: .16em;
  color: var(--cyan);
  background: rgba(0,229,255,.08);
  border-right: 1px solid rgba(0,229,255,.22);
  border-bottom: 1px solid rgba(0,229,255,.22);
  padding: .18rem .6rem;
}
.math-block .math-tag .ic { width: 11px; height: 11px; }
.math-tex .katex-display { margin: .25rem 0; }
.math-block .katex { color: #e0f7ff; }
.math-inline { color: var(--cyan); }
.math-inline .katex { color: inherit; font-size: .97em; }
.markdown-content sup { font-size: .72em; }
.markdown-content sup .katex, sup .katex { color: inherit; }

/* footnotes */
.markdown-content .footnote {
  margin-top: 2.5rem;
  border-top: 1px solid var(--line);
  padding-top: 1rem;
  font-size: .8rem;
  color: var(--muted);
}
.markdown-content .footnote ol { padding-left: 1.4rem; }
.markdown-content .footnote li { margin: .4em 0; }
.markdown-content sup a { border-bottom: none; font-family: 'JetBrains Mono', monospace; font-size: .72em; }
.markdown-content .footnote-backref { border-bottom: none; }

/* transclusao */
.transclusion {
  border: 1px dashed rgba(0,255,65,.3);
  border-radius: 2px;
  background: rgba(0,255,65,.015);
  margin: 1.2rem 0;
}
.transclusion .tr-bar {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .45rem .95rem;
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .15em;
  color: var(--muted);
  border-bottom: 1px dashed rgba(0,255,65,.2);
}
.transclusion .tr-bar .ic { width: 13px; height: 13px; color: var(--neon); }
.transclusion .tr-name { color: var(--neon); }
.transclusion .tr-sel { color: var(--muted); letter-spacing: .05em; }
.transclusion .tr-body { padding: .3rem 1.1rem .9rem; font-size: .9em; }
.transclusion .tr-body > *:first-child { margin-top: .4rem; }

/* canvas board */
.canvas-board {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 2px;
  background:
    linear-gradient(rgba(0,255,65,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,65,.03) 1px, transparent 1px);
  background-size: 32px 32px;
  overflow: hidden;
}
.canvas-board canvas.cb-edges { position: absolute; inset: 0; width: 100%; height: 100%; }
.canvas-node {
  position: absolute;
  border: 1px solid rgba(0,255,65,.35);
  border-radius: 2px;
  background: rgba(5,5,5,.92);
  padding: .65rem .8rem;
  font-size: .78rem;
  line-height: 1.45;
  color: var(--text);
  overflow: hidden;
  box-shadow: 0 0 12px rgba(0,255,65,.06);
}
.canvas-node.cn-group { border-color: rgba(0,229,255,.3); background: rgba(0,229,255,.03); }
.canvas-node a { color: var(--neon); border-bottom: 1px solid rgba(0,255,65,.3); }
.canvas-node img { max-width: 100%; max-height: 100%; object-fit: contain; margin: auto; }
.canvas-node .cn-label {
  font-size: .6rem;
  text-transform: uppercase;
  letter-spacing: .15em;
  color: var(--muted);
  margin-bottom: .3rem;
}
.canvas-link-list { margin-top: .8rem; font-size: .78rem; color: var(--muted); }
.canvas-link-list a { color: var(--neon); }

/* chips de tag */
.tag-chip {
  display: inline-flex;
  align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: .68rem;
  color: var(--neon);
  background: rgba(0,255,65,.06);
  border: 1px solid rgba(0,255,65,.25);
  border-radius: 2px;
  padding: .12rem .5rem;
  margin: 0 .15rem;
  cursor: pointer;
  transition: all .25s ease;
  white-space: nowrap;
}
.tag-chip:hover { background: rgba(0,255,65,.14); box-shadow: 0 0 10px rgba(0,255,65,.25); border-color: var(--neon); }
.lesson-tags .tag-chip { font-size: .7rem; padding: .22rem .6rem; }

/* emoji shortcode */
.emoji { font-family: inherit; }

/* ---------- BUSCA (overlay) ---------- */
.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(5,5,5,.92);
  backdrop-filter: blur(10px);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 10vh 1.5rem 3rem;
}
.search-overlay.open { display: flex; }
/* saida suave da busca */
.search-overlay.closing { pointer-events: none; animation: fade-out .18s ease-in both; }
.search-overlay.closing .search-modal { animation: fade-out-down .18s ease-in both; }
.search-modal {
  width: 100%;
  max-width: 640px;
  border: 1px solid rgba(0,255,65,.35);
  border-radius: 2px;
  background: var(--bg);
  box-shadow: 0 0 40px rgba(0,255,65,.12), 0 20px 60px rgba(0,0,0,.8);
  display: flex;
  flex-direction: column;
  max-height: 72vh;
  animation: fade-in-up .25s ease-out;
}
.search-head {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: 1rem 1.2rem;
  border-bottom: 1px solid var(--line);
}
.search-head .ic { width: 17px; height: 17px; color: var(--neon); flex-shrink: 0; }
.search-head input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-family: 'Sora', sans-serif;
  font-size: .95rem;
}
.search-head input::placeholder { color: var(--muted); }
.search-close { color: var(--muted); display: flex; padding: .3rem; }
.search-close:hover { color: var(--red); }
.search-close .ic { width: 16px; height: 16px; }
.search-body { overflow-y: auto; padding: .6rem; scrollbar-width: thin; }
.search-body::-webkit-scrollbar { width: 4px; }
.search-body::-webkit-scrollbar-thumb { background: var(--line); }
.sr-item {
  display: block;
  padding: .75rem .9rem;
  border-radius: 2px;
  border: 1px solid transparent;
  transition: all .2s ease;
}
.sr-item:hover, .sr-item.sel { border-color: rgba(0,255,65,.35); background: rgba(0,255,65,.04); }
.sr-item .sr-title { font-size: .88rem; font-weight: 600; color: var(--text); display: flex; align-items: center; gap: .5rem; }
.sr-item .sr-title .ic { width: 13px; height: 13px; color: var(--neon); flex-shrink: 0; }
.sr-item .sr-path { font-family: 'JetBrains Mono', monospace; font-size: .62rem; color: var(--muted); margin-top: .15rem; }
.sr-item .sr-frag { font-size: .78rem; color: var(--muted); margin-top: .3rem; line-height: 1.5; }
.sr-item mark { background: rgba(0,255,65,.2); color: var(--neon); border-radius: 1px; padding: 0 .1em; }
.sr-empty { padding: 2.5rem 1rem; text-align: center; color: var(--muted); font-size: .85rem; }
.sr-count {
  padding: .6rem 1.2rem;
  border-top: 1px solid var(--line);
  font-family: 'JetBrains Mono', monospace;
  font-size: .65rem;
  color: var(--muted);
  letter-spacing: .1em;
}
.sr-hint { color: var(--neon); }
.search-kbd-hint {
  padding: .5rem 1.2rem .65rem;
  display: flex;
  align-items: center;
  gap: .45rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: .62rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}
.search-kbd-hint kbd {
  font-family: inherit;
  font-size: .58rem;
  color: var(--neon);
  border: 1px solid rgba(0,255,65,.35);
  border-radius: 2px;
  padding: .12rem .42rem;
  background: rgba(0,255,65,.06);
  text-shadow: 0 0 6px rgba(0,255,65,.4);
}

/* ---------- LIGHTBOX ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 110;
  background: rgba(5,5,5,.94);
  display: none;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
  padding: 2rem;
}
.lightbox.open { display: flex; animation: fade-in .22s ease-out; }
.lightbox.open img { animation: zoom-in .3s var(--ease-out) backwards; }
.lightbox.closing { pointer-events: none; animation: fade-out .18s ease-in both; }
.lightbox img {
  max-width: 92vw;
  max-height: 90vh;
  border: 1px solid rgba(0,255,65,.3);
  box-shadow: 0 0 40px rgba(0,255,65,.12);
}

/* ---------- FOOTER OFICIAL ---------- */
.site-footer {
  position: relative;
  margin-top: 5rem;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(0,255,65,.022), transparent 32%);
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: -230px;
  left: 50%;
  transform: translateX(-50%);
  width: 680px;
  height: 360px;
  background: radial-gradient(ellipse, rgba(0,255,65,.075), transparent 65%);
  filter: blur(30px);
  pointer-events: none;
}
.footer-inner {
  position: relative;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 3.5rem 1.5rem 2rem;
}
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
}
.footer-brand { max-width: 42rem; flex: 1 1 30rem; }
.footer-brand .nav-logo { font-size: 1.5rem; }
.footer-brand p { margin-top: 1rem; font-size: .8rem; line-height: 1.65; color: var(--muted); }
.footer-socials { display: flex; gap: .6rem; }
.footer-socials a {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--muted);
  transition: all .3s ease;
}
.footer-socials a:hover { border-color: rgba(0,255,65,.4); color: var(--neon); box-shadow: 0 0 14px rgba(0,255,65,.15); }
.footer-socials svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .8rem;
  font-size: .68rem;
  color: var(--muted);
  letter-spacing: .05em;
}
.footer-bottom .neon-text { text-shadow: none; }
.page-foot {
  max-width: 62rem;
  margin: 3rem 0 0;
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
}

/* skip link */
.skip-link {
  position: absolute;
  top: -50px; left: 8px;
  z-index: 300;
  background: var(--neon);
  color: #000;
  padding: .5rem 1rem;
  font-size: .8rem;
  transition: top .3s;
}
.skip-link:focus { top: 8px; }

/* ---------- RESPONSIVO ---------- */
@media (min-width: 900px) {
  .nav-links { display: flex; }
  .mobile-menu-btn { display: none; }
}
@media (max-width: 1100px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2rem; }
  .hero-right { border-left: none; padding-left: 0; border-top: 1px solid var(--line); padding-top: 1.6rem; }
  .note-side { width: var(--snw, 250px); min-width: 220px; }
}
@media (max-width: 1000px) {
  /* sidebar da nota vira bloco acima do conteudo (sem altura fixa) */
  /* stretch: sem isso, o flex-item assume a largura do conteudo (fit-content)
     e filhos largos (tabelas/pre/formulas) empurram a pagina alem da viewport */
  .note-layout { flex-direction: column; align-items: stretch; }
  .note-side {
    position: static;
    width: 100%;
    max-width: none;
    height: auto;
    max-height: none;
    padding: 5.6rem 1rem .9rem;
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
  /* ---- gaveta do curriculo: arvore nasce recolhida no mobile ----
     padrao fechado: so a barra .sn-collapse aparece; o conteudo (busca +
     arvore) expande com .ns-open — o texto da anotacao vem primeiro */
  .note-side { gap: .55rem; }
  .sn-collapse {
    display: flex;
    align-items: center;
    gap: .6rem;
    width: 100%;
    flex-shrink: 0;
    padding: .68rem .85rem;
    background: rgba(8,8,8,.72);
    border: 1px solid var(--line);
    color: var(--muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: .62rem;
    letter-spacing: .16em;
    text-transform: uppercase;
    cursor: pointer;
    transition: color .25s ease, border-color .25s ease;
  }
  .sn-collapse:hover { color: var(--text); border-color: rgba(0,255,65,.4); }
  .sn-collapse .ic { width: 14px; height: 14px; color: var(--neon); flex-shrink: 0; }
  .sn-collapse .sn-lbl {
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: left;
  }
  .sn-collapse .sn-chev2 { transition: transform .25s ease; }
  .note-side.ns-open .sn-collapse .sn-chev2 { transform: rotate(180deg); }
  /* fechado: busca + arvore some de verdade (so resta a barra) */
  .note-side .side-search { display: none; }
  .note-side .side-nav {
    max-height: 0;
    overflow: hidden;
    border-color: transparent;
  }
  /* aberto: mesma altura util de antes, com scroll interno */
  .note-side.ns-open .side-search { display: flex; }
  .note-side.ns-open .side-nav {
    max-height: 62vh;
    border-color: var(--line);
  }
  .note-side .side-nav { transition: max-height .3s var(--ease); }
  .note-side .side-nav .sn-scroll { min-height: 0; }
  .sn-resizer { display: none; }
  .note-container { max-width: 100%; padding: 3rem 1.2rem 3.5rem; }
  /* modal ocupa a tela toda: sidebar vira faixa superior recolhivel via altura */
  .note-modal { padding: 0; }
  .nm-side { width: var(--nmw, 250px); min-width: 216px; }
}
@media (max-width: 900px) {
  .section { padding: 3rem 0; }
  .hero-section { min-height: 100vh; min-height: 100svh; }
  .note-modal { padding: 0; }
  .nm-content { padding: 1.6rem 1.2rem 2.4rem; }
}
@media (max-width: 760px) {
  /* modal: arvore vira gaveta horizontal antes do conteudo */
  .nm-body { flex-direction: column; }
  .nm-side {
    width: 100%;
    max-width: none;
    border-right: none;
    border-bottom: 1px solid var(--line);
    max-height: 38vh;
  }
  .nm-side .side-nav { max-height: 30vh; }
  /* ocultar a arvore no mobile: gaveta recolhe na vertical */
  .note-modal.nm-side-hidden .nm-side {
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    border-bottom-color: transparent;
  }
  /* ---- hero centralizado no mobile (padrao 4root.com.br / news) ---- */
  .hero-status { justify-content: center; font-size: .62rem; letter-spacing: .14em; }
  .hero-title { text-align: center; }
  .hero-motto { justify-content: center; margin-left: auto; margin-right: auto; }
  .hero-subtitle-wrap { margin-left: auto; margin-right: auto; text-align: center; }
  /* efeito de proximidade depende de hover: sem sentido no touch */
  .hero-proximity-text { display: none; }
  .ai-notice { justify-content: center; text-align: center; }
  .hero-ctas {
    margin-top: 2rem;
    margin-left: auto;
    margin-right: auto;
    flex-direction: column;
    width: min(100%, 320px);
    gap: .75rem;
  }
  .hero-ctas .cta-primary, .hero-ctas .cta-secondary {
    width: 100%;
    justify-content: center;
    padding: 1rem 1.5rem;
  }
}
@media (max-width: 560px) {
  .hero-title { font-size: 2.5rem; }
  .courses-grid { grid-template-columns: 1fr; }
  .lf-prev, .lf-next { max-width: 100%; }
  .lesson-footer { flex-direction: column; align-items: stretch; }
  .lf-next { margin-left: 0; }
  .nav-search-btn span, .nav-search-btn kbd { display: none; }
  .nm-crumb .nm-label { display: none; }
  .nav-inner { padding: 1rem 1.25rem; }
}

/* movimento reduzido */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-delay: 0s !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .animate-on-scroll { opacity: 1; transform: none; }
  .hero-status, .hero-title, .hero-motto, .hero-ctas, .hero-right { animation: none; }
  html { scroll-behavior: auto; }
}

/* impressao */
@media print {
  .navbar, .lesson-footer, .site-footer,
  .search-overlay, .lightbox, #cyber-cursor, .grain-overlay, .hero-scroll-indicator,
  .video-slot, #scroll-progress, .side-nav, .note-side, .side-search,
  .note-modal, .sn-resizer { display: none !important; }
  .note-layout { display: block; }
  body { background: #fff; color: #111; }
  .markdown-content { color: #111; }
  .note-container { padding: 0; }
}

.term-window {
  border: 1px solid rgba(0,255,65,.3);
  border-radius: 2px;
  background: #060606;
  overflow: hidden;
  box-shadow: 0 0 30px rgba(0,255,65,.08);
}
.term-bar {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .6rem .9rem;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--line);
}
.term-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.term-dot.r { background: #ff5f56; }
.term-dot.y { background: #ffbd2e; }
.term-dot.g { background: #27c93f; }
.term-title { margin-left: .6rem; font-size: .7rem; color: var(--muted); }
.term-body { padding: 1.2rem 1.3rem; font-size: .8rem; line-height: 1.9; color: var(--text); }
.term-body a { color: var(--neon); }
.muted { color: var(--muted); }