/* AlverSun: a página da marca. O sol do logotipo nasce no horizonte, um cabo em Y leva aos fones. */
:root{
  --canvas:#121014; --panel:#1c171b; --dusk:#3a2233; --ember:#e8542c; --gold:#d9a04a;
  --accent:#f7b538; --accent-2:#f39a33; --accent-hover:#ffc75a;
  --ivory:#f1e8dc; --ink:#1a1517; --ink-2:#5b5049; --ink-gold:#8a5e1a;
  --text-primary:#f2ebe2; --text-secondary:#b3a89c; --line:rgba(217,160,74,.22); --line-strong:#8d6a3a;
  --display:"Chakra Petch",system-ui,sans-serif; --body:"Instrument Sans",system-ui,sans-serif; --mono:"JetBrains Mono",ui-monospace,monospace;
  --ease-out:cubic-bezier(.16,1,.3,1); --ease-io:cubic-bezier(.65,0,.35,1);
  --tshadow:0 1px 2px rgba(10,6,8,.9),0 4px 18px rgba(10,6,8,.6);
  --cut:10px;
  --chamfer:polygon(var(--cut) 0,calc(100% - var(--cut)) 0,100% var(--cut),100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,var(--cut) 100%,0 calc(100% - var(--cut)),0 var(--cut));
}
*,*::before,*::after{box-sizing:border-box}
html{overflow-x:hidden;overflow-x:clip;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;overflow-x:hidden;overflow-x:clip;background:var(--canvas);color:var(--text-primary);font:400 17px/1.6 var(--body);-webkit-font-smoothing:antialiased;animation:page-in .9s var(--ease-out) both}
@keyframes page-in{from{opacity:0}to{opacity:1}}
img,svg{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.08;margin:0;letter-spacing:.005em}
p{margin:0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:fixed;left:16px;top:-60px;z-index:100;background:var(--accent);color:var(--ink);padding:10px 16px;font:700 15px var(--display);transition:top .3s var(--ease-out)}
.skip:focus{top:16px}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
main:focus{outline:none}
.kicker{font:500 12px/1.2 var(--mono);letter-spacing:.22em;text-transform:uppercase;color:var(--gold)}

/* ---------- Ambiente fixo: crepúsculo, grão, poeira ---------- */
.ambient{position:fixed;inset:0;z-index:-2;pointer-events:none;overflow:hidden}
.ambient .glow{position:absolute;width:90vmax;height:90vmax;left:30%;top:-20%;border-radius:50%;background:radial-gradient(circle,rgba(58,34,51,.85) 0%,rgba(58,34,51,0) 62%);animation:drift 64s var(--ease-io) -20s infinite alternate}
.ambient .glow.two{left:-35%;top:45%;background:radial-gradient(circle,rgba(232,84,44,.10) 0%,rgba(232,84,44,0) 60%);animation-duration:78s;animation-delay:-41s}
@keyframes drift{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(-12vw,10vh,0) scale(1.12)}}
.ambient .grain{position:absolute;inset:-50%;opacity:.07;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.mote{position:absolute;width:3px;height:3px;border-radius:50%;background:var(--gold);opacity:0;filter:blur(.4px)}
.live-on .mote{animation:mote 26s linear infinite}
@keyframes mote{0%{opacity:0;transform:translate3d(0,0,0)}12%{opacity:.45}88%{opacity:.3}100%{opacity:0;transform:translate3d(-6vw,-38vh,0)}}
body.paused *,body.paused *::before,body.paused *::after{animation-play-state:paused!important}

/* ---------- Navegação ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px clamp(16px,4vw,48px);transition:background .5s var(--ease-out),backdrop-filter .5s}
.nav.solid{background:rgba(18,16,20,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand svg{width:40px;height:28px}
.brand span{font:700 19px/1 var(--display);letter-spacing:.08em}
.brand b,.wordmark b{background:linear-gradient(90deg,var(--ember),var(--accent-2) 55%,var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
/* No topo o logotipo grande do hero já apresenta a marca; o pequeno chega quando a barra fica sólida. */
.nav .brand{opacity:0;transform:translateY(-6px);transition:opacity .5s var(--ease-out),transform .5s var(--ease-out)}
.nav.solid .brand,.nav .brand:focus-visible{opacity:1;transform:none}
.nav ul{display:flex;gap:26px;list-style:none;margin:0;padding:0}
.nav ul a{text-decoration:none;font:500 13px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--text-secondary);transition:color .3s var(--ease-out)}
.nav ul a:hover{color:var(--text-primary)}
@media (max-width:860px){.nav ul{display:none}}

/* ---------- Botões chanfrados ---------- */
.btn{position:relative;isolation:isolate;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:16px 26px;font:700 16px/1 var(--display);letter-spacing:.04em;color:var(--ink);text-decoration:none;text-shadow:none;border:0;background:none;cursor:pointer;transition:transform .35s var(--ease-out),color .3s}
.btn::before{content:"";position:absolute;inset:0;z-index:-1;clip-path:var(--chamfer);background:linear-gradient(90deg,var(--accent-2),var(--accent));transition:filter .35s var(--ease-out)}
.btn::after{content:"";position:absolute;inset:-10px;z-index:-2;border-radius:18px;background:radial-gradient(closest-side,rgba(247,181,56,.55),rgba(247,181,56,0));opacity:0;transition:opacity .4s var(--ease-out)}
.btn:hover{transform:translateY(-2px)}
.btn:hover::before{filter:brightness(1.08) saturate(1.05)}
.btn:hover::after{opacity:.7}
.btn.ghost{color:var(--text-primary)}
.btn.ghost::before{background:linear-gradient(var(--panel),var(--panel));box-shadow:inset 0 0 0 1.5px var(--line-strong)}
.btn.ghost:hover::before{filter:brightness(1.25)}
.btn.ghost::after{background:radial-gradient(closest-side,rgba(217,160,74,.35),rgba(217,160,74,0))}
.btn.sm{padding:12px 18px;font-size:14px}
.live-on .btn.pulse::after,.btn.pulse.live-on::after{animation:glow 4.6s var(--ease-io) -1.6s infinite}
@keyframes glow{0%,100%{opacity:.15}50%{opacity:.55}}
@media (pointer:coarse){.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center}}

/* ---------- Hero: o sol no horizonte ---------- */
.hero{position:relative;min-height:max(600px,100vh);min-height:max(600px,100svh);display:flex;flex-direction:column;overflow:hidden}
.sky{position:relative;flex:none;height:clamp(220px,50vh,560px);height:clamp(220px,50svh,560px)}
.sun{position:absolute;left:50%;bottom:0;height:100%;width:auto;aspect-ratio:2/1;max-width:none;transform:translateX(-50%)}
.sun .halo{opacity:.9}
.sun .disc{fill:url(#disc)}
.sun .ring,#compra-segura .ring,.dusk .ring{fill:none;stroke-linecap:round}
.sun .ring{stroke:url(#lg);stroke-width:7}
.sun .ring.r1{opacity:.8}.sun .ring.r2{opacity:.42}
.sun-set{transform:translateY(calc(var(--set,0) * 160px))}
.sun-rise{animation:sunrise 2.4s var(--ease-out) .1s both}
@keyframes sunrise{from{transform:translateY(170px)}to{transform:none}}
/* O som saindo do sol: ondas que abrem e somem */
.waves circle{fill:none;stroke:var(--accent-2);stroke-width:1.5;vector-effect:non-scaling-stroke;transform-box:fill-box;transform-origin:center;opacity:0}
.sky.live-on .waves circle{animation:wave 8s cubic-bezier(.2,.6,.35,1) infinite}
.waves circle:nth-child(2){animation-delay:-2.67s!important}.waves circle:nth-child(3){animation-delay:-5.33s!important}
@keyframes wave{0%{transform:scale(1);opacity:0}8%{opacity:.5}100%{transform:scale(4.5);opacity:0}}
.horizon{position:relative;z-index:1;flex:none;height:2px;background:linear-gradient(90deg,rgba(242,235,226,0),rgba(242,235,226,.85) 18%,rgba(242,235,226,.85) 82%,rgba(242,235,226,0));animation:draw-x 1.6s var(--ease-out) .2s both}
@keyframes draw-x{from{transform:scaleX(0)}to{transform:none}}
.ground{position:relative;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;text-align:center;padding:clamp(18px,3.4vh,40px) 20px clamp(40px,7vh,80px);transform:translateY(calc(var(--set,0) * -40px));opacity:calc(1 - var(--set,0) * .5)}
.ground::before{content:"";position:absolute;left:0;right:0;top:0;height:70%;z-index:-1;pointer-events:none;background:radial-gradient(ellipse 42% 70% at 50% 0,rgba(232,84,44,.17),rgba(232,84,44,0) 72%)}
.ground>*{animation:rise 1s var(--ease-out) both}
.ground>:nth-child(1){animation-delay:.5s}.ground>:nth-child(2){animation-delay:.68s}.ground>:nth-child(3){animation-delay:.84s}.ground>:nth-child(4){animation-delay:1s}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.wordmark{font-size:clamp(46px,9.2vw,128px);line-height:.95;letter-spacing:.07em;margin-right:-.07em}
.slogan{margin-top:clamp(10px,1.8vh,18px);font:700 clamp(22px,2.3vw,32px)/1.15 var(--display);letter-spacing:.01em}
.ground .lede{margin-top:12px;max-width:46ch;color:var(--text-secondary);font-size:clamp(16px,1.25vw,18px)}
.ground .btn{margin-top:clamp(20px,3.6vh,34px)}
@media (max-width:600px){.sky{height:clamp(200px,44vh,380px);height:clamp(200px,44svh,380px)}}
@media (max-height:620px) and (orientation:landscape){.sky{height:clamp(150px,40svh,300px)}.ground .lede{display:none}}

/* ---------- Seções ---------- */
section.block{position:relative;padding:clamp(96px,14vh,160px) clamp(16px,5vw,72px)}
.wrap{max-width:1180px;margin:0 auto}
.section-title{font-size:clamp(32px,4.2vw,58px);max-width:18ch}
.nb{display:inline-block}
.lede{color:var(--text-secondary);font-size:clamp(17px,1.3vw,19px);max-width:52ch}

/* Revelação coreografada */
.reveal .st{opacity:0;transform:translateY(24px);transition:opacity .9s var(--ease-out),transform .9s var(--ease-out)}
.reveal.in .st{opacity:1;transform:none}
.reveal.in .st:nth-child(2){transition-delay:.09s}.reveal.in .st:nth-child(3){transition-delay:.18s}.reveal.in .st:nth-child(4){transition-delay:.27s}
.reveal.in.settled .st,.reveal.in.settled .st:nth-child(n){transition-delay:0s}

/* ---------- Os fones ---------- */
#fones .head{display:flex;flex-direction:column;align-items:center;text-align:center}
#fones .section-title{margin-top:14px}
#fones .head .lede{margin-top:18px}
/* O cabo em Y: o tronco desce do título e se divide até cada fone (desenhado pelo site.js) */
.ycable{width:100%;height:120px;margin-top:30px;overflow:visible}
.ycable path{fill:none;stroke:var(--gold);stroke-width:1.5;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1;opacity:.85}
.ycable .splitter{fill:var(--gold);opacity:0;transition:opacity .5s var(--ease-out)}
.reveal.in .ycable path{stroke-dashoffset:0;transition:stroke-dashoffset 1s var(--ease-io) .3s}
.reveal.in .ycable path.branch{transition-duration:1.3s;transition-delay:1.1s}
.reveal.in .ycable .splitter{opacity:1;transition-delay:1s}
.ycable.off{display:none}
.ycable.off+.products{margin-top:56px}
.products{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:clamp(20px,3vw,40px)}
.product{position:relative;--frame:var(--panel);--glow:rgba(232,84,44,.24);--gx:82%}
.product[data-tone="edxpro"]{--frame:#14161e;--glow:rgba(243,229,198,.16);--gx:50%}
.product .frame{position:relative;height:100%;display:flex;flex-direction:column;clip-path:var(--chamfer);--cut:18px;background:var(--frame)}
.product .frame::before{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;background:radial-gradient(ellipse 75% 55% at var(--gx) 0,var(--glow),rgba(0,0,0,0) 70%);opacity:.5;mix-blend-mode:screen}
.product.live-on .frame::before{animation:breathe 9s var(--ease-io) -3s infinite}
@keyframes breathe{0%,100%{opacity:.35}50%{opacity:.85}}
.product .frame::after{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;clip-path:var(--chamfer);box-shadow:inset 0 0 0 1px var(--line);transition:box-shadow .5s var(--ease-out)}
.product:hover .frame::after{box-shadow:inset 0 0 0 1px rgba(217,160,74,.55)}
.shot{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--frame)}
.shot img{width:100%;height:100%;object-fit:cover;transform:scale(1.001);transition:transform 1.6s var(--ease-out)}
.product:hover .shot img{transform:scale(1.045)}
.shot::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 58%,var(--frame) 100%)}
.tag{position:absolute;left:16px;top:16px;z-index:1;padding:7px 12px;font:500 12px/1 var(--mono);letter-spacing:.18em;color:var(--gold);background:rgba(14,9,12,.6);border:1px solid rgba(217,160,74,.3);border-radius:4px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.product .body{position:relative;z-index:2;flex:1;display:flex;flex-direction:column;align-items:flex-start;padding:4px clamp(20px,2.4vw,34px) clamp(26px,2.8vw,36px)}
.product h3{margin-top:12px;font-size:clamp(28px,2.6vw,38px)}
.product h3 a{text-decoration:none}
.product h3 a::after{content:"";position:absolute;inset:0;z-index:3}
.product h3 a:focus-visible{outline:none}
.product:focus-within{outline:3px solid var(--accent);outline-offset:4px}
.product .line{margin-top:10px;font:700 clamp(18px,1.5vw,21px)/1.3 var(--display);color:var(--text-primary)}
.product .desc{margin:10px 0 28px;color:var(--text-secondary);max-width:44ch}
.product .btn{margin-top:auto}
.product:hover .btn::before{filter:brightness(1.25)}
.product:hover .btn{transform:translateY(-2px)}
.jack{position:absolute;left:50%;top:-6px;z-index:4;width:11px;height:11px;margin-left:-5.5px;background:var(--gold);clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);opacity:0;transition:opacity .6s var(--ease-out) 2.2s}
.reveal.in .jack{opacity:1}
.ycable.off+.products .jack{display:none}

/* ---------- Compra segura: marfim ---------- */
#compra-segura{background:var(--ivory);color:var(--ink);overflow:hidden}
#compra-segura .kicker{color:var(--ink-gold)}
#compra-segura .lede{margin-top:18px;color:var(--ink-2)}
#compra-segura .section-title{margin-top:14px}
#compra-segura .row{position:relative;margin-top:clamp(48px,7vh,76px)}
#compra-segura .mark{position:absolute;right:0;bottom:100%;width:min(500px,36vw);height:auto;pointer-events:none}
#compra-segura .mark .disc{fill:url(#disc);opacity:.22}
@media (max-width:1100px){#compra-segura .mark{display:none}}
#compra-segura .ring{stroke:rgba(154,106,31,.42);stroke-width:1.5;vector-effect:non-scaling-stroke;transform-box:fill-box;transform-origin:50% 100%}
#compra-segura .mark.live-on .ring{animation:swell 10s var(--ease-io) infinite}
#compra-segura .ring.r2{animation-delay:-3.3s!important}#compra-segura .ring.r3{animation-delay:-6.6s!important}
@keyframes swell{0%,100%{opacity:.45;transform:scale(.985)}50%{opacity:1;transform:scale(1.015)}}
#compra-segura .wrap{position:relative}
.promises{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0 clamp(18px,2.4vw,32px)}
.promises li{position:relative;padding-top:24px}
.promises li::before{content:"";position:absolute;left:0;right:0;top:0;height:1.5px;background:linear-gradient(90deg,#b08a4c,rgba(176,138,76,.25));transform:scaleX(0);transform-origin:left;transition:transform 1.2s var(--ease-out)}
.reveal.in .promises li::before{transform:none}
.reveal.in .promises li:nth-child(2)::before{transition-delay:.15s}.reveal.in .promises li:nth-child(3)::before{transition-delay:.3s}.reveal.in .promises li:nth-child(4)::before{transition-delay:.45s}
.promises span{font:500 12px/1 var(--mono);letter-spacing:.14em;color:var(--ink-gold)}
.promises h3{margin-top:14px;font-size:clamp(21px,1.7vw,24px)}
.promises p{margin-top:10px;color:var(--ink-2);font-size:16px;max-width:30ch}
.promises a{color:var(--ink);text-underline-offset:3px;word-break:break-word}
#compra-segura :focus-visible{outline-color:#8a5e1a}
@media (max-width:960px){.promises{grid-template-columns:1fr 1fr;gap:40px 28px}}
@media (max-width:540px){.promises{grid-template-columns:1fr;gap:32px}}

/* ---------- Fechamento: o sol se põe ---------- */
#escolha{text-align:center;padding-top:clamp(80px,12vh,140px)}
.dusk{width:min(720px,100%);height:auto;margin:0 auto 40px;overflow:hidden}
.dusk .disc{fill:url(#disc)}
.dusk .ring{stroke:url(#lg);stroke-width:5;opacity:.7;transform-box:fill-box;transform-origin:50% 100%}
.dusk.live-on .ring{animation:swell 7s var(--ease-io) -2s infinite}
.dusk .line{fill:none;stroke:var(--text-primary);stroke-width:2;vector-effect:non-scaling-stroke;opacity:.8;stroke-dasharray:1;stroke-dashoffset:1}
.reveal.in .dusk .line{stroke-dashoffset:0;transition:stroke-dashoffset 1.6s var(--ease-out)}
#escolha .section-title{margin:14px auto 0;max-width:14ch}
#escolha .buttons{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:36px}
#escolha .micro{margin-top:26px;font-size:15px;color:var(--text-secondary)}
#escolha .micro a{color:var(--text-primary);text-underline-offset:3px}

/* ---------- Rodapé ---------- */
footer{border-top:1px solid var(--line);padding:48px clamp(16px,5vw,72px) 64px;color:var(--text-secondary);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;gap:28px;flex-wrap:wrap;align-items:flex-start}
footer p+p{margin-top:6px}
footer a{color:var(--text-primary)}
footer .links{list-style:none;margin:20px 0 0;padding:0;display:flex;gap:20px;flex-wrap:wrap}
footer .links a{font:500 12px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;text-decoration:none;color:var(--text-secondary);transition:color .3s var(--ease-out)}
footer .links a:hover{color:var(--text-primary)}
@media (pointer:coarse){footer .links a{display:inline-flex;align-items:center;min-height:44px}}

/* ---------- Movimento reduzido: tudo no estado final ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;transition-delay:0s!important}
  html{scroll-behavior:auto}
  .reveal .st{opacity:1;transform:none}
  .sun-set,.ground{transform:none;opacity:1}
  .waves{display:none}
  .ycable path,.dusk .line{stroke-dashoffset:0}
  .ycable .splitter,.jack{opacity:1}
  .promises li::before{transform:none}
  .mote{display:none}
}