/* ===== JFPF Solutions — stylesheet =====
   Dark, flat and typographic: one green accent, monospace for labels and
   navigation, 1px borders instead of shadows, no gradients. System fonts only,
   so the site loads nothing from third parties. */
:root{
  color-scheme:dark;
  --bg:#0d1117;
  --bg-2:#10151d;
  --surface:#161b22;
  --line:#30363d;
  --line-soft:#21262d;
  --text:#e6edf3;
  --text-2:#c9d1d9;
  --muted:#8b949e;
  --green:#3fb950;
  --green-hi:#56d364;
  --green-ink:#04260f;
  --amber:#d29922;
  --radius:6px;
  --maxw:1120px;
  --ff:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","JetBrains Mono","Cascadia Code",Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--ff);color:var(--text-2);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--green-hi);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4{line-height:1.15;margin:0 0 .5em;color:var(--text);font-weight:700;letter-spacing:-.015em}
h1{font-size:clamp(2.1rem,5vw,3.4rem);letter-spacing:-.025em}
h2{font-size:clamp(1.6rem,3.2vw,2.2rem)}
h3{font-size:1.1rem}
p{margin:0 0 1em}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.mono{font-family:var(--mono)}
:focus-visible{outline:2px solid var(--green);outline-offset:2px}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:.65rem 1.15rem;border-radius:var(--radius);font-weight:600;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;transition:background-color .15s,border-color .15s,color .15s;white-space:nowrap;font-family:inherit}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--green);color:var(--green-ink);border-color:var(--green)}
.btn-primary:hover{background:var(--green-hi);border-color:var(--green-hi)}
.btn-outline{background:transparent;color:var(--text);border-color:var(--line)}
.btn-outline:hover{border-color:var(--muted);background:var(--surface)}
.btn-lg{padding:.8rem 1.4rem;font-size:1rem}
.btn-block{width:100%}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:50;background:var(--bg);border-bottom:1px solid var(--line-soft)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:1rem}
.brand{display:flex;align-items:center;gap:.55rem;color:var(--text);font-family:var(--mono);font-weight:700;font-size:1.02rem}
.brand:hover{text-decoration:none}
.brand-mark{color:var(--green)}
.brand-sub{color:var(--muted);font-weight:500}
.main-nav{display:flex;align-items:center;gap:1.8rem}
.main-nav ul{display:flex;gap:1.4rem;list-style:none;margin:0;padding:0}
.main-nav ul a{color:var(--muted);font-family:var(--mono);font-size:.88rem}
.main-nav ul a:hover{color:var(--text);text-decoration:none}
.nav-actions{display:flex;align-items:center;gap:.9rem}
.lang-toggle{display:inline-flex;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.lang-toggle button{border:0;background:none;padding:.3rem .6rem;font-family:var(--mono);font-size:.78rem;color:var(--muted);cursor:pointer}
.lang-toggle button+button{border-left:1px solid var(--line)}
.lang-toggle button.active{background:var(--surface);color:var(--green-hi)}

.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:22px;height:2px;background:var(--text);transition:.2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== Hero ===== */
.hero{padding:clamp(3.5rem,8vw,6.5rem) 0 clamp(3rem,7vw,5.5rem);border-bottom:1px solid var(--line-soft)}
.hero-inner{display:grid;grid-template-columns:1.15fr 1fr;gap:3.5rem;align-items:center}
.prompt{font-family:var(--mono);font-size:.88rem;color:var(--muted);margin:0 0 1.2rem}
.prompt b{color:var(--green);font-weight:500}
.hero h1{max-width:16ch}
.hero-lead{font-size:1.1rem;color:var(--text-2);max-width:56ch;margin:1.1rem 0 2rem}
.hero-actions{display:flex;gap:.8rem;flex-wrap:wrap}

/* Terminal window: plain facts, set out like command output. */
.term{background:var(--bg-2);border:1px solid var(--line);border-radius:8px;overflow:hidden;font-family:var(--mono);font-size:.86rem}
.term-bar{display:flex;align-items:center;gap:7px;padding:.65rem .9rem;border-bottom:1px solid var(--line);background:var(--surface)}
.term-bar i{width:10px;height:10px;border-radius:50%;background:var(--line)}
.term-bar span{margin-left:.6rem;color:var(--muted);font-size:.78rem}
.term-body{padding:1.1rem 1.2rem 1.3rem;line-height:1.85}
.term-body .cmd{color:var(--text)}
.term-body .cmd::before{content:"$ ";color:var(--green)}
.term-body dl{display:grid;grid-template-columns:max-content 1fr;gap:0 1.4rem;margin:.4rem 0 .2rem}
.term-body dt{color:var(--amber)}
.term-body dd{margin:0;color:var(--text-2)}
.term-body .ok{color:var(--green-hi)}
.cursor{display:inline-block;width:.6em;height:1.1em;vertical-align:-.2em;background:var(--green);margin-left:.15em;animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
@media (prefers-reduced-motion:reduce){.cursor{animation:none}html{scroll-behavior:auto}}

/* ===== Sections ===== */
.section{padding:clamp(3.5rem,7vw,5.5rem) 0;border-bottom:1px solid var(--line-soft)}
.section-head{max-width:640px;margin:0 0 2.6rem}
.section-head p{color:var(--muted);font-size:1.04rem;margin:0}
.eyebrow{display:block;font-family:var(--mono);font-size:.82rem;color:var(--green);margin-bottom:.6rem;text-transform:lowercase}
.eyebrow::before{content:"// "}

/* ===== Services: a ruled list rather than a row of icon cards ===== */
.services{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}
.service{display:grid;grid-template-columns:44px 1fr;gap:1rem;padding:1.6rem 1.6rem 1.6rem 0;border-bottom:1px solid var(--line)}
.service:nth-child(odd){border-right:1px solid var(--line)}
.service:nth-child(even){padding-left:1.6rem;padding-right:0}
.service-icon{width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:var(--green)}
.service-icon svg{width:22px;height:22px}
.service h3{margin:.15rem 0 .35rem}
.service p{color:var(--muted);margin:0;font-size:.97rem}

.tech-strip{margin-top:2.2rem;display:flex;flex-wrap:wrap;align-items:baseline;gap:.5rem 1rem;font-family:var(--mono);font-size:.85rem}
.tech-strip>span{color:var(--muted)}
.tech-strip ul{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem;margin:0;padding:0}
.tech-strip li{padding:.2rem .6rem;border:1px solid var(--line);border-radius:var(--radius);color:var(--text-2)}

/* ===== Process: one connected track ===== */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.step{position:relative;padding:2.1rem 1.4rem 0 0}
.step::before{content:"";position:absolute;top:.55rem;left:0;right:0;height:1px;background:var(--line)}
.step::after{content:"";position:absolute;top:calc(.55rem - 5px);left:0;width:11px;height:11px;border-radius:50%;background:var(--bg);border:2px solid var(--green)}
.step-num{display:block;font-family:var(--mono);font-size:.8rem;color:var(--muted);margin-bottom:.35rem}
.step h3{margin:0 0 .35rem}
.step p{color:var(--muted);margin:0;font-size:.95rem}

/* ===== About ===== */
.about-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:3.5rem;align-items:start}
.about-text p{font-size:1.04rem}
.about-text .btn{margin-top:.6rem}
.about-points{list-style:none;margin:0;padding:0;border:1px solid var(--line);border-radius:8px;background:var(--surface)}
.about-points li{padding:1.1rem 1.3rem 1.1rem 3rem;position:relative}
.about-points li+li{border-top:1px solid var(--line)}
.about-points li::before{content:"✓";position:absolute;left:1.25rem;top:1.05rem;font-family:var(--mono);color:var(--green)}
.about-points strong{display:block;color:var(--text);margin-bottom:.1rem}
.about-points span{color:var(--muted);font-size:.95rem}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:3.5rem;align-items:start}
.contact-intro p{color:var(--muted);font-size:1.04rem}
.contact-list{list-style:none;margin:1.6rem 0 0;padding:0;display:grid;gap:.8rem;font-family:var(--mono);font-size:.9rem}
.contact-list li{display:flex;align-items:center;gap:.7rem;color:var(--text-2)}
.ci{width:34px;height:34px;flex:0 0 auto;border:1px solid var(--line);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:var(--green)}
.ci svg{width:17px;height:17px}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:1.6rem}
.field{margin-bottom:1rem}
.field label{display:block;font-family:var(--mono);font-size:.8rem;margin-bottom:.35rem;color:var(--muted)}
.field input,.field select,.field textarea{width:100%;padding:.7rem .8rem;border:1px solid var(--line);border-radius:var(--radius);
  font-family:inherit;font-size:.97rem;color:var(--text);background:var(--bg)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(63,185,80,.18)}
.field textarea{resize:vertical}
.field .invalid{border-color:#f85149}
.hp-field{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-status{margin:.9rem 0 0;font-size:.92rem;min-height:1.2em}
.form-status.ok{color:var(--green-hi)}.form-status.err{color:#f85149}

/* ===== Footer ===== */
.site-footer{background:var(--bg);color:var(--muted)}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:2.5rem;padding:3rem 22px}
.footer-brand p{margin:.9rem 0 0;max-width:36ch;font-size:.95rem}
.footer-col h4{font-family:var(--mono);font-weight:500;font-size:.82rem;color:var(--text);margin-bottom:.9rem}
.footer-col ul{list-style:none;padding:0;margin:0;font-size:.93rem}
.footer-col li{margin-bottom:.5rem}
.footer-col a{color:var(--muted)}
.footer-col a:hover{color:var(--text)}
.footer-bottom{border-top:1px solid var(--line-soft)}
.footer-bottom-inner{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding:1.1rem 22px;font-family:var(--mono);font-size:.78rem;color:var(--muted)}

/* ===== Language blocks =====
   Long passages (the privacy policy, FAQ answers) are written out once per
   language rather than as data-en/data-pt attributes; main.js sets <html lang>. */
html:not([lang="pt"]) .only-pt,html[lang="pt"] .only-en{display:none!important}

/* ===== Product teaser (home) ===== */
.product{display:grid;grid-template-columns:1.2fr 1fr;gap:3rem;align-items:center;
  border:1px solid var(--line);border-radius:10px;background:var(--surface);padding:2.4rem 2.6rem;overflow:hidden}
.product h3{font-size:clamp(1.5rem,2.6vw,2rem);margin-bottom:.4rem}
.product p{color:var(--muted)}
.product-shot{justify-self:center;margin-bottom:-6.5rem}
.product .btn{margin-top:.4rem}

/* ===== Device frames for screenshots ===== */
.phone{position:relative;width:min(300px,72vw);border-radius:54px;padding:12px;
  background:#05070a;border:1px solid #3a414b;box-shadow:0 0 0 1px #000,0 30px 60px -20px rgba(0,0,0,.7)}
.phone img{width:100%;aspect-ratio:1179/2556;object-fit:cover;border-radius:42px}
.phone--sm{width:min(260px,64vw);border-radius:48px;padding:11px}
.phone--sm img{border-radius:37px}
.tablet{border-radius:26px;padding:14px;background:#05070a;border:1px solid #3a414b;box-shadow:0 30px 60px -24px rgba(0,0,0,.7)}
.tablet img{border-radius:14px;width:100%}
.landscape{border-radius:40px;padding:12px;background:#05070a;border:1px solid #3a414b;box-shadow:0 30px 60px -24px rgba(0,0,0,.7)}
.landscape img{border-radius:29px;width:100%}

/* ===== App page ===== */
.crumbs{font-family:var(--mono);font-size:.82rem;color:var(--muted);margin:0 0 1.4rem}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--text)}
.app-hero{display:grid;grid-template-columns:1.1fr 1fr;gap:4.5rem;align-items:center}
.app-hero .phones{display:flex;justify-content:center;align-items:flex-end;gap:0;padding:1rem 0 3rem}
.app-hero .phones .phone+.phone{margin-left:-36px;margin-bottom:-44px;transform:rotate(4deg)}
.app-name{display:flex;align-items:center;gap:.9rem;margin-bottom:1rem}
.app-icon{width:56px;height:56px;border-radius:14px;flex:0 0 auto;display:grid;place-items:center;
  background:#6c6fff;color:#fff;font-size:1.4rem;border:1px solid rgba(255,255,255,.15)}
.app-name span{font-family:var(--mono);font-size:.85rem;color:var(--muted)}
.stores{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.8rem}
.store{display:inline-flex;flex-direction:column;justify-content:center;padding:.5rem 1rem;min-width:170px;
  border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);line-height:1.3}
.store small{font-family:var(--mono);font-size:.72rem;color:var(--muted)}
.store b{color:var(--text);font-weight:600}
.notice{margin-top:1.6rem;padding:.9rem 1.1rem;border:1px solid var(--line);border-left:3px solid var(--amber);
  border-radius:var(--radius);background:var(--bg-2);font-size:.93rem;color:var(--text-2)}
.notice strong{color:var(--text)}

.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:3.2rem 2.6rem;align-items:start;padding:0 .5rem}
.gallery figure{margin:0;display:flex;flex-direction:column;align-items:center}
.gallery .phone{width:100%;max-width:240px}
.gallery figcaption,.shot figcaption{margin-top:1.3rem;font-family:var(--mono);font-size:.8rem;color:var(--muted);text-align:center}
.gallery figcaption b,.shot figcaption b{color:var(--text-2);font-weight:500}
.shot{margin:0}
.wide-shots{display:grid;grid-template-columns:1.25fr 1fr;gap:3rem;align-items:center;margin-bottom:5rem}

.platforms{list-style:none;margin:2rem 0 0;padding:0;display:flex;flex-wrap:wrap;gap:.5rem;font-family:var(--mono);font-size:.85rem}
.platforms li{padding:.25rem .65rem;border:1px solid var(--line);border-radius:var(--radius);color:var(--text-2)}

.faq{border-top:1px solid var(--line);max-width:820px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:1.1rem 2rem 1.1rem 0;position:relative;color:var(--text);font-weight:600}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:.2rem;top:1.05rem;font-family:var(--mono);color:var(--green)}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:0 0 1.1rem;color:var(--muted);max-width:68ch}

/* ===== Long-form text (privacy policy) ===== */
.prose{max-width:74ch}
.prose h1{font-size:clamp(1.9rem,4vw,2.6rem)}
.prose h2{font-size:1.3rem;margin:2.4rem 0 .7rem;padding-top:1.6rem;border-top:1px solid var(--line-soft)}
.prose h3{font-size:1.02rem;margin:1.4rem 0 .4rem}
.prose p,.prose li{color:var(--text-2)}
.prose ul{padding-left:1.2rem;margin:0 0 1em}
.prose li{margin-bottom:.45rem}
.prose li::marker{color:var(--green)}
.prose code{font-family:var(--mono);font-size:.88em;color:var(--text);background:var(--surface);border:1px solid var(--line-soft);border-radius:4px;padding:.05em .35em}
.prose .meta{font-family:var(--mono);font-size:.82rem;color:var(--muted)}
.summary-box{border:1px solid var(--line);border-radius:8px;background:var(--surface);padding:1.2rem 1.4rem;margin:1.6rem 0 0}
.summary-box ul{margin:0}

/* ===== Responsive ===== */
@media(max-width:960px){
  .hero-inner,.about-grid,.contact-grid,.app-hero,.product,.wide-shots{grid-template-columns:1fr;gap:2.4rem}
  .product-shot{margin-bottom:-5rem}
  .gallery{grid-template-columns:repeat(2,1fr);gap:3rem 3rem;padding:0 1.5rem}
  .steps{grid-template-columns:1fr 1fr;row-gap:2rem}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  .nav-toggle{display:flex}
  .main-nav{position:fixed;inset:64px 0 auto 0;background:var(--bg);flex-direction:column;align-items:stretch;gap:0;
    padding:.6rem 0 1.2rem;border-bottom:1px solid var(--line);
    transform:translateY(-140%);transition:transform .25s ease}
  .main-nav.open{transform:translateY(0)}
  .main-nav ul{flex-direction:column;gap:0}
  .main-nav ul a{display:block;padding:.8rem 22px}
  .nav-actions{padding:.6rem 22px 0;justify-content:space-between}
  .services{grid-template-columns:1fr}
  .service,.service:nth-child(odd),.service:nth-child(even){padding:1.4rem 0;border-right:0}
  .steps{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
  .term{font-size:.8rem}
  .product{padding:1.8rem 1.4rem}
  .app-hero .phones .phone+.phone{display:none}
  .gallery{grid-template-columns:1fr 1fr;gap:2.4rem 1.4rem;padding:0}
}