// ============================================================ // SECTION PARTICLES — constelação interativa genérica // ============================================================ (function(){ function initParticles(canvasId, sectionSel, cfg) { var canvas = document.getElementById(canvasId); if(!canvas) return; var section = sectionSel === 'footer' ? document.querySelector('footer') : document.querySelector(sectionSel); if(!section) return; var ctx = canvas.getContext('2d'); if(!ctx) return; var BASE_COUNT = cfg.count || 30; var MAX_P = cfg.max || 70; var BURST = cfg.burst || 8; var LINK = cfg.link || 130; var M_LINK = cfg.mLink || 150; var M_REPEL = cfg.mRepel || 90; var MAX_SPD = cfg.speed || 0.4; var DAMP = 0.988; var pAlpha = cfg.pAlpha || 0.65; var lAlpha = cfg.lAlpha || 0.55; var particles = []; var mouse = {x:-9999,y:-9999,active:false}; var w=0,h=0,dpr=1,raf=0; function resize(){ dpr = Math.min(window.devicePixelRatio||1,2); var r = section.getBoundingClientRect(); w = r.width; h = r.height; canvas.width = Math.floor(w*dpr); canvas.height = Math.floor(h*dpr); canvas.style.width = w+'px'; canvas.style.height = h+'px'; ctx.setTransform(dpr,0,0,dpr,0,0); } function init(){ particles = []; var n = w < 640 ? Math.floor(BASE_COUNT*0.6) : BASE_COUNT; for(var i=0;iMAX_P) particles.splice(0,particles.length-MAX_P); } function pC(a){return 'rgba(0,180,255,'+(a*pAlpha)+')';} function lC(a){return 'rgba(255,140,42,'+(a*lAlpha)+')';} function loop(){ ctx.clearRect(0,0,w,h); for(var i=0;iMAX_SPD){p.vx*=DAMP;p.vy*=DAMP;} if(p.x<0){p.x=0;p.vx*=-1;} if(p.x>w){p.x=w;p.vx*=-1;} if(p.y<0){p.y=0;p.vy*=-1;} if(p.y>h){p.y=h;p.vy*=-1;} if(mouse.active){ var dx=p.x-mouse.x,dy=p.y-mouse.y,d2=dx*dx+dy*dy; if(d21){var d=Math.sqrt(d2),f=(M_REPEL-d)/M_REPEL;p.x+=(dx/d)*f*1.5;p.y+=(dy/d)*f*1.5;} } } for(var i=0;i=0&&mx<=w&&my>=0&&my<=h) burst(mx,my); }); section.addEventListener('touchstart',function(e){ var t=e.touches[0];if(!t)return; var r=section.getBoundingClientRect(),mx=t.clientX-r.left,my=t.clientY-r.top; if(mx>=0&&mx<=w&&my>=0&&my<=h){mouse.x=mx;mouse.y=my;mouse.active=true;burst(mx,my);} },{passive:true}); section.addEventListener('touchmove',function(e){ var t=e.touches[0];if(!t)return; var r=section.getBoundingClientRect(); mouse.x=t.clientX-r.left; mouse.y=t.clientY-r.top; },{passive:true}); section.addEventListener('touchend',function(){mouse.active=false;},{passive:true}); // resize compartilhado, com debounce pra evitar reflow em cascata var rzT=null; window.addEventListener('resize',function(){ if(rzT)clearTimeout(rzT); rzT=setTimeout(function(){resize();init();},120); }); resize(); init(); loop(); } // INSTANCIAR pra cada seção escura initParticles('hero-particles', '.hero', { count:35, max:80, burst:8, pAlpha:0.65, lAlpha:0.55 }); initParticles('testi-particles', '.testi', { count:25, max:60, burst:6, pAlpha:0.55, lAlpha:0.45 }); initParticles('cta-particles', '.cta-box', { count:18, max:50, burst:6, pAlpha:0.50, lAlpha:0.40 }); initParticles('featured-particles','.benefit.featured',{ count:12, max:35, burst:5, link:100, pAlpha:0.50, lAlpha:0.40 }); initParticles('footer-particles','footer', { count:22, max:55, burst:6, pAlpha:0.40, lAlpha:0.35 }); })(); // ── Nav hamburger (compatível com CSP futura — sem onclick inline) ─── (function(){ var btn = document.getElementById('nav-toggle-btn'); var nav = btn && btn.closest('.nav'); if (!btn || !nav) return; btn.addEventListener('click', function() { var aberto = nav.classList.toggle('open'); btn.setAttribute('aria-expanded', aberto ? 'true' : 'false'); btn.setAttribute('aria-label', aberto ? 'Fechar menu' : 'Abrir menu'); }); // Fecha o drawer ao clicar em link interno document.querySelectorAll('.nav-drawer a').forEach(function(a){ a.addEventListener('click', function(){ nav.classList.remove('open'); btn.setAttribute('aria-expanded', 'false'); btn.setAttribute('aria-label', 'Abrir menu'); }); }); })();

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