/* 8Bits Tecnologia — institutional site */
:root{
  --red:#E9202A;
  --red-deep:#C81820;
  --ink:#0E0F12;
  --ink-2:#1A1C21;
  --ink-3:#2A2D34;
  --paper:#F6F5F1;
  --paper-2:#ECEAE2;
  --paper-3:#E2DFD4;
  --line:#DCD8CC;
  --line-2:#C9C4B5;
  --muted:#6B6A63;
  --muted-2:#8E8C82;
  --info:#1E4FD6;
  --ok:#0C7A43;
  --wa:#25D366;
  --wa-deep:#1EB955;
  --font-sans:'Inter', system-ui, -apple-system, Segoe UI, Arial, sans-serif;
  --font-mono:'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;
  --radius:2px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  background:var(--paper);
  color:var(--ink);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

/* ============ LAYOUT ============ */
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}
.wrap-narrow{max-width:880px;margin:0 auto;padding:0 24px}

/* ============ HEADER ============ */
.top-strip{
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.08em;
  text-transform:uppercase;
}
.top-strip .wrap{display:flex;justify-content:space-between;align-items:center;height:32px;gap:16px;overflow:hidden}
.top-strip .strip-right{display:flex;gap:20px;color:#bfbeb6}
.top-strip .strip-right span{display:inline-flex;align-items:center;gap:8px}
.top-strip .dot{width:6px;height:6px;background:var(--wa);display:inline-block}
.strip-hide{display:inline}

header.site{
  background:var(--paper);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:50;
  backdrop-filter:saturate(1.1);
}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:40px;width:auto}
nav.primary{display:flex;gap:4px}
nav.primary a{
  font-size:14px;
  font-weight:500;
  padding:10px 14px;
  color:var(--ink-2);
  position:relative;
  transition:color .15s;
}
nav.primary a:hover{color:var(--red)}
nav.primary a.active{color:var(--ink)}
nav.primary a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;background:var(--red);
}
.nav-cta{display:flex;align-items:center;gap:8px}
.menu-btn{display:none;padding:10px;border:1px solid var(--line);}
.menu-btn span{display:block;width:20px;height:2px;background:var(--ink);margin:4px 0}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 22px;
  font-weight:600;font-size:14px;
  letter-spacing:0.01em;
  border:1px solid transparent;
  transition:transform .08s, background .15s, border-color .15s;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{background:var(--red)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-wa{background:var(--wa);color:#0b2e18}
.btn-wa:hover{background:var(--wa-deep);color:#fff}
.btn-wa svg{width:18px;height:18px}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-deep)}
.btn-sm{padding:10px 14px;font-size:13px}

/* ============ UTIL ============ */
.eyebrow{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.18em;
  text-transform:uppercase;
  color:var(--muted);
  display:inline-flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--red)}
.h-display{
  font-size:clamp(40px, 6.2vw, 84px);
  line-height:0.98;
  letter-spacing:-0.025em;
  font-weight:700;
  margin:0;
}
.h-section{
  font-size:clamp(30px, 3.6vw, 48px);
  line-height:1.04;
  letter-spacing:-0.02em;
  font-weight:700;
  margin:0;
}
.h-card{font-size:22px;line-height:1.2;letter-spacing:-0.01em;font-weight:650;margin:0}
.lede{font-size:clamp(17px, 1.3vw, 20px);line-height:1.55;color:var(--ink-3);max-width:62ch}
.muted{color:var(--muted)}
.mono{font-family:var(--font-mono)}

/* pixel step corners */
.pixel-corner{
  position:relative;
}
.pixel-corner::before,.pixel-corner::after{
  content:"";position:absolute;width:8px;height:8px;background:var(--red);
}
.pixel-corner::before{top:-1px;left:-1px}
.pixel-corner::after{bottom:-1px;right:-1px}

/* ============ PAGE LAYOUT ============ */
main{min-height:60vh}
.section{padding:96px 0}
.section-sm{padding:56px 0}

/* ============ HERO ============ */
.hero{
  background:var(--ink);
  color:var(--paper);
  position:relative;
  overflow:hidden;
  padding:120px 0 96px;
}
.hero .grid-bg{
  position:absolute;inset:0;opacity:.07;pointer-events:none;
  background-image:
    linear-gradient(to right, #fff 1px, transparent 1px),
    linear-gradient(to bottom, #fff 1px, transparent 1px);
  background-size:40px 40px;
  mask-image:radial-gradient(ellipse at 70% 40%, #000 30%, transparent 75%);
}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:72px;align-items:center}
.hero h1{color:#fff}
.hero h1 .accent{color:var(--red)}
.type-caret{
  display:inline-block;
  width:0.55ch;
  height:0.92em;
  background:var(--red);
  vertical-align:-0.12em;
  margin-left:4px;
  opacity:1;
}
.type-caret.blink{
  animation:caret-blink 1s steps(1) infinite;
}
@keyframes caret-blink{
  0%,50%{opacity:1}
  51%,100%{opacity:0}
}
.hero .lede{color:#c9c7bd;max-width:52ch}
.hero-actions{display:flex;gap:12px;margin-top:36px;flex-wrap:wrap}
.hero-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:64px;padding-top:32px;border-top:1px solid rgba(255,255,255,.12)}
.hero-meta .k{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:#7f7e76;margin-bottom:8px}
.hero-meta .v{font-size:20px;font-weight:650;letter-spacing:-.01em;color:#fff}

/* Pixel stack visual */
.pixel-stack{
  aspect-ratio:1/1;
  display:grid;
  grid-template-columns:repeat(8,1fr);
  grid-template-rows:repeat(8,1fr);
  gap:2px;
  max-width:420px;
  margin-left:auto;
}
.pixel-stack span{background:rgba(255,255,255,.04)}
.pixel-stack span.on{background:var(--red)}
.pixel-stack span.dim{background:rgba(255,255,255,.12)}
.pixel-stack span.cream{background:var(--paper)}

/* ============ SECTION HEADER ============ */
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:48px;flex-wrap:wrap}
.section-head .left{max-width:700px}
.section-head h2{margin-top:16px}
.section-head .lede{margin-top:16px}

/* ============ SOLUTIONS GRID ============ */
.sol-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line)}
.sol-card{
  padding:32px 28px 36px;
  border-right:1px solid var(--line);
  background:var(--paper);
  position:relative;
  min-height:300px;
  display:flex;flex-direction:column;
  transition:background .2s;
}
.sol-card:last-child{border-right:none}
.sol-card:hover{background:#fff}
.sol-card .num{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--muted);margin-bottom:24px;
}
.sol-card .icon{
  width:48px;height:48px;margin-bottom:20px;
  display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(4,1fr);gap:2px;
}
.sol-card .icon i{background:var(--ink);display:block}
.sol-card .icon i.r{background:var(--red)}
.sol-card .icon i.e{background:transparent}
.sol-card h3{margin:0 0 8px;font-size:20px;font-weight:650;letter-spacing:-.01em}
.sol-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.55;flex:1}
.sol-card .arrow{margin-top:16px;font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--red);display:inline-flex;gap:8px;align-items:center}

/* ============ DIFFERENTIALS ============ */
.diff-wrap{background:var(--ink);color:var(--paper);padding:120px 0}
.diff-wrap .eyebrow{color:#7f7e76}
.diff-wrap .eyebrow::before{background:var(--red)}
.diff-wrap h2{color:#fff}
.diff-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2px;margin-top:48px;background:#fff2;}
.diff-item{background:var(--ink);padding:40px 32px}
.diff-item .big{font-size:56px;font-weight:700;letter-spacing:-.03em;color:var(--red);line-height:1;margin-bottom:16px;font-family:var(--font-mono)}
.diff-item h4{margin:0 0 8px;font-size:20px;font-weight:650;color:#fff}
.diff-item p{margin:0;color:#b5b3a8;font-size:15px;max-width:44ch}

/* ============ RESOURCES (tutoriais/downloads teaser) ============ */
.res-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.res-card{
  background:var(--paper-2);
  border:1px solid var(--line);
  padding:40px;
  display:flex;flex-direction:column;
  min-height:340px;
  position:relative;
  overflow:hidden;
}
.res-card .label{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.res-card h3{font-size:32px;line-height:1.1;letter-spacing:-.02em;margin:12px 0 12px;max-width:18ch}
.res-card p{margin:0 0 24px;color:var(--ink-3);max-width:38ch}
.res-card .bottom{margin-top:auto;display:flex;justify-content:space-between;align-items:flex-end;gap:16px}
.res-card .count{font-family:var(--font-mono);font-size:40px;font-weight:600;color:var(--ink);letter-spacing:-.02em}
.res-card.dark{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.res-card.dark h3{color:#fff}
.res-card.dark p{color:#b5b3a8}
.res-card.dark .label{color:#8e8c82}
.res-card.dark .count{color:var(--red)}

/* ============ FINAL CTA ============ */
.cta-band{
  background:var(--red);
  color:#fff;
  padding:88px 0;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size:40px 40px;
  opacity:.6;
}
.cta-band .wrap{position:relative;display:flex;justify-content:space-between;align-items:center;gap:48px;flex-wrap:wrap}
.cta-band h2{color:#fff;max-width:20ch}
.cta-band .btn-primary{background:#fff;color:var(--ink)}
.cta-band .btn-primary:hover{background:var(--ink);color:#fff}
.cta-band .btn-ghost{border-color:#fff;color:#fff}
.cta-band .btn-ghost:hover{background:#fff;color:var(--red)}

/* ============ FOOTER ============ */
footer.site{
  background:var(--ink);
  color:#c7c5bc;
  padding:72px 0 32px;
}
footer.site .top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;padding-bottom:48px;border-bottom:1px solid #2a2d34}
footer.site img{height:40px;margin-bottom:20px}
footer.site h5{color:#fff;font-size:12px;font-family:var(--font-mono);letter-spacing:.16em;text-transform:uppercase;margin:0 0 16px;font-weight:500}
footer.site ul{list-style:none;padding:0;margin:0}
footer.site li{margin-bottom:10px;font-size:14px}
footer.site a:hover{color:#fff}
footer.site .bottom{padding-top:24px;display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:#6f6e66;flex-wrap:wrap;gap:12px}
footer.site .bottom a:hover{color:#fff}

/* ============ SERVICE DETAIL (soluções page) ============ */
.hero-page{background:var(--ink);color:var(--paper);padding:80px 0 64px;position:relative;overflow:hidden}
.hero-page .grid-bg{position:absolute;inset:0;opacity:.06;pointer-events:none;background-image:linear-gradient(to right,#fff 1px,transparent 1px),linear-gradient(to bottom,#fff 1px,transparent 1px);background-size:40px 40px}
.hero-page .wrap{position:relative}
.hero-page h1{color:#fff;max-width:16ch}
.hero-page .lede{color:#c9c7bd;max-width:56ch;margin-top:20px}
.crumbs{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#7f7e76;margin-bottom:20px}
.crumbs a:hover{color:#fff}

.service-row{
  display:grid;grid-template-columns:1fr 1.4fr;gap:64px;
  padding:80px 0;
  border-bottom:1px solid var(--line);
  align-items:start;
}
.service-row:last-child{border-bottom:none}
.service-row .left{position:sticky;top:96px}
.service-row .num{font-family:var(--font-mono);font-size:13px;color:var(--red);letter-spacing:.14em;margin-bottom:16px}
.service-row h2{font-size:40px;line-height:1.05;letter-spacing:-.02em;margin:0 0 16px}
.service-row .tag{display:inline-block;font-family:var(--font-mono);font-size:11px;padding:4px 10px;background:var(--paper-2);border:1px solid var(--line);margin-top:16px;letter-spacing:.08em;text-transform:uppercase}
.service-row p{color:var(--ink-3);font-size:17px;line-height:1.6;margin:0 0 20px}
.service-row ul.checks{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:12px}
.service-row ul.checks li{display:flex;gap:14px;align-items:flex-start;padding:14px 16px;background:var(--paper-2);border-left:3px solid var(--red)}
.service-row ul.checks li .pix{flex-shrink:0;margin-top:4px;width:14px;height:14px;background:var(--red);position:relative}
.service-row ul.checks li .pix::after{content:"";position:absolute;left:-4px;top:4px;width:6px;height:6px;background:var(--red)}
.service-row ul.checks li strong{display:block;margin-bottom:2px;font-weight:600}
.service-row ul.checks li span{color:var(--muted);font-size:14px}

/* ============ TUTORIALS / DOWNLOADS ============ */
.filters{display:flex;gap:8px;margin-bottom:32px;flex-wrap:wrap;padding-bottom:24px;border-bottom:1px solid var(--line)}
.filters button{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
  padding:8px 14px;border:1px solid var(--line);background:var(--paper);
  text-transform:uppercase;
}
.filters button:hover{border-color:var(--ink)}
.filters button.active{background:var(--ink);color:#fff;border-color:var(--ink)}

.tut-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tut-card{
  background:var(--paper);
  border:1px solid var(--line);
  display:flex;flex-direction:column;
  transition:border-color .15s, transform .15s;
}
.tut-card:hover{border-color:var(--ink);transform:translateY(-2px)}
.tut-thumb{
  aspect-ratio:16/9;
  background:var(--ink);
  position:relative;
  overflow:hidden;
  display:flex;align-items:center;justify-content:center;
}
.tut-thumb .pxgrid{
  position:absolute;inset:0;
  background-image:linear-gradient(to right,rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(to bottom,rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:24px 24px;
}
.tut-thumb .bigchar{
  position:relative;font-family:var(--font-mono);font-size:56px;font-weight:700;color:var(--red);letter-spacing:-.04em;
}
.tut-thumb .play{
  position:absolute;bottom:12px;right:12px;
  background:var(--red);color:#fff;width:42px;height:42px;
  display:flex;align-items:center;justify-content:center;
}
.tut-thumb.var-a{background:linear-gradient(135deg,#1A1C21 0%,#0E0F12 100%)}
.tut-thumb.var-b .bigchar{color:#fff}
.tut-thumb.var-b{background:var(--red)}
.tut-thumb.var-b .play{background:var(--ink)}
.tut-thumb.var-c{background:var(--paper-2)}
.tut-thumb.var-c .bigchar{color:var(--ink)}
.tut-thumb.var-c .pxgrid{background-image:linear-gradient(to right,rgba(0,0,0,.06) 1px,transparent 1px),linear-gradient(to bottom,rgba(0,0,0,.06) 1px,transparent 1px)}
.tut-body{padding:20px 22px 22px;flex:1;display:flex;flex-direction:column}
.tut-meta{display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.tut-meta .cat{color:var(--red)}
.tut-body h3{font-size:18px;font-weight:600;line-height:1.3;margin:0 0 8px;letter-spacing:-.005em}
.tut-body p{margin:0 0 16px;color:var(--muted);font-size:14px;flex:1}
.tut-body .foot{display:flex;justify-content:space-between;align-items:center;font-family:var(--font-mono);font-size:11px;color:var(--muted);letter-spacing:.08em;text-transform:uppercase;padding-top:14px;border-top:1px dashed var(--line)}
.tut-body .foot .watch{color:var(--red);font-weight:500}

.dl-list{display:grid;grid-template-columns:1fr;gap:12px}
.dl-row{
  display:grid;grid-template-columns:64px 1fr auto auto auto;
  gap:20px;align-items:center;
  background:var(--paper);
  border:1px solid var(--line);
  padding:20px 24px;
  transition:border-color .15s, background .15s;
}
.dl-row:hover{border-color:var(--ink);background:#fff}
.dl-icon{
  width:48px;height:56px;background:var(--ink);position:relative;
  display:flex;align-items:flex-end;justify-content:center;padding-bottom:6px;
  color:var(--red);font-family:var(--font-mono);font-size:10px;font-weight:700;letter-spacing:.05em;
}
.dl-icon::before{content:"";position:absolute;top:0;right:0;border-style:solid;border-width:0 12px 12px 0;border-color:transparent var(--paper) transparent transparent}
.dl-icon.exe{background:var(--red);color:#fff}
.dl-icon.exe::before{border-color:transparent var(--paper) transparent transparent}
.dl-icon.zip{background:#2A2D34}
.dl-meta h4{margin:0 0 4px;font-size:16px;font-weight:600}
.dl-meta p{margin:0;color:var(--muted);font-size:13px}
.dl-size{font-family:var(--font-mono);font-size:12px;color:var(--muted);letter-spacing:.06em}
.dl-tag{font-family:var(--font-mono);font-size:11px;padding:4px 8px;background:var(--paper-2);border:1px solid var(--line);letter-spacing:.08em;text-transform:uppercase}
.dl-btn{padding:10px 16px;background:var(--ink);color:#fff;font-size:13px;font-weight:500;display:inline-flex;gap:8px;align-items:center}
.dl-btn:hover{background:var(--red)}

/* ============ ABOUT ============ */
.about-intro{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.about-quote{
  border-left:3px solid var(--red);
  padding:0 0 0 32px;
  font-size:28px;line-height:1.35;letter-spacing:-.01em;font-weight:500;
  color:var(--ink);
}
.about-quote cite{display:block;margin-top:20px;font-size:13px;font-style:normal;font-family:var(--font-mono);letter-spacing:.1em;color:var(--muted);text-transform:uppercase}
.about-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);margin-top:72px}
.about-stats .stat{padding:40px 32px;border-right:1px solid var(--line)}
.about-stats .stat:last-child{border-right:none}
.about-stats .big{font-size:64px;font-weight:700;letter-spacing:-.03em;line-height:1;color:var(--red);font-family:var(--font-mono);margin-bottom:12px}
.about-stats .lbl{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

.about-who{display:grid;grid-template-columns:2fr 3fr;gap:64px;align-items:start}
.segments{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.segments .seg{background:var(--paper);padding:24px;display:flex;gap:16px;align-items:flex-start}
.segments .seg .pxnum{font-family:var(--font-mono);font-size:14px;color:var(--red);font-weight:600}
.segments .seg strong{display:block;font-size:16px;margin-bottom:4px}
.segments .seg span{font-size:13px;color:var(--muted);line-height:1.5}

.founder{display:grid;grid-template-columns:180px 1fr;gap:32px;align-items:center;background:var(--paper-2);padding:32px;border:1px solid var(--line)}
.founder .avatar{
  aspect-ratio:1/1;background:var(--ink);color:var(--red);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:72px;font-weight:700;letter-spacing:-.04em;
  position:relative;
}
.founder .avatar::before,.founder .avatar::after{content:"";position:absolute;width:14px;height:14px;background:var(--red)}
.founder .avatar::before{top:0;left:0}
.founder .avatar::after{bottom:0;right:0}
.founder h4{margin:0 0 4px;font-size:22px;font-weight:650;letter-spacing:-.01em}
.founder .role{font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--red);margin-bottom:12px}
.founder p{margin:0;color:var(--muted-2);font-size:15px}

/* ============ TIMELINE ============ */
.timeline-wrap{
  background:var(--paper-2);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:96px 0;
}
.timeline{
  position:relative;
  margin-top:48px;
  padding-left:0;
}
.timeline::before{
  content:"";position:absolute;left:203px;top:8px;bottom:8px;width:2px;
  background:var(--line-2);
}
.tl-item{
  display:grid;
  grid-template-columns:180px 1fr;
  gap:48px;
  padding:28px 0;
  position:relative;
  align-items:flex-start;
}
.tl-year{
  font-family:var(--font-mono);
  font-size:28px;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--ink);
  line-height:1;
  padding-top:6px;
  position:relative;
  text-align:left;
}
.tl-year .y-sub{
  display:block;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
  font-weight:500;
  margin-top:6px;
}
.tl-body{
  position:relative;
  padding-left:48px;
}
.tl-body::before{
  content:"";
  position:absolute;
  left:-32px;top:10px;
  width:16px;height:16px;
  background:var(--red);
  box-shadow:0 0 0 4px var(--paper-2);
}
.tl-item.milestone .tl-body::before{
  background:var(--ink);
  width:20px;height:20px;
  left:-34px;top:8px;
}
.tl-item.future .tl-body::before{
  background:var(--paper-2);
  border:2px solid var(--red);
  width:14px;height:14px;
  left:-31px;top:11px;
}
.tl-title{
  font-size:20px;
  font-weight:650;
  letter-spacing:-.01em;
  margin:0 0 6px;
  color:var(--ink);
}
.tl-desc{
  margin:0;
  color:var(--ink-3);
  font-size:15px;
  line-height:1.6;
  max-width:58ch;
}
.tl-tag{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.14em;
  text-transform:uppercase;
  padding:3px 8px;
  background:var(--paper);
  border:1px solid var(--line);
  color:var(--muted);
  margin-top:10px;
}
.tl-item.milestone .tl-tag{
  background:var(--ink);color:var(--red);border-color:var(--ink);
}
.tl-item.future .tl-tag{
  background:transparent;color:var(--red);border-color:var(--red);
}

@media (max-width:680px){
  .timeline::before{left:14px}
  .tl-item{grid-template-columns:1fr;gap:8px;padding:20px 0 20px 36px}
  .tl-year{font-size:22px;padding-top:0}
  .tl-body{padding-left:0}
  .tl-body::before{left:-29px;top:10px}
  .tl-item.milestone .tl-body::before{left:-31px}
  .tl-item.future .tl-body::before{left:-28px}
}

/* ============ CONTACT ============ */
.contact-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:72px;align-items:start}
.contact-info .wa-card{
  background:var(--ink);color:#fff;padding:32px;margin-bottom:16px;
  position:relative;overflow:hidden;
}
.contact-info .wa-card::before{content:"";position:absolute;top:0;right:0;width:120px;height:120px;background:var(--wa);opacity:.08;transform:rotate(45deg) translate(40px,-40px)}
.contact-info .wa-card .eyebrow{color:#7f7e76}
.contact-info .wa-card .eyebrow::before{background:var(--wa)}
.contact-info .wa-card .num{font-size:36px;font-weight:600;letter-spacing:-.02em;margin:12px 0 8px;color:#fff;font-family:var(--font-mono)}
.contact-info .wa-card p{color:#b5b3a8;margin:0 0 20px;max-width:40ch}
.contact-info .wa-card .btn-wa{padding:16px 22px;font-size:15px}
.contact-info .info-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-info .info-card{background:var(--paper-2);padding:24px;border:1px solid var(--line)}
.contact-info .info-card .lbl{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.contact-info .info-card .val{font-size:16px;font-weight:500;line-height:1.4}

.form-card{background:var(--paper);border:1px solid var(--line);padding:40px}
.form-card h3{margin:0 0 4px;font-size:24px;letter-spacing:-.01em}
.form-card .sub{color:var(--muted);margin:0 0 28px;font-size:14px}
.field{margin-bottom:18px}
.field label{display:block;font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.field input,.field textarea,.field select{
  width:100%;padding:14px 16px;
  background:var(--paper-2);
  border:1px solid var(--line-2);
  font-family:var(--font-sans);font-size:15px;
  transition:border-color .15s, background .15s;
}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--ink);background:#fff;
}
.field textarea{min-height:140px;resize:vertical}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-card button[type=submit]{width:100%;padding:16px;font-size:15px;margin-top:8px}
.sent{background:var(--ok);color:#fff;padding:14px 16px;margin-bottom:16px;font-size:14px;display:none}
.sent.show{display:block}

/* ============ WhatsApp FAB ============ */
.fab-wa{
  position:fixed;bottom:24px;right:24px;z-index:80;
  background:var(--wa);color:#0b2e18;
  padding:14px 20px;
  font-weight:600;font-size:14px;
  display:flex;align-items:center;gap:10px;
  box-shadow:0 10px 30px rgba(37,211,102,.35), 0 2px 6px rgba(0,0,0,.08);
  transition:transform .15s, background .15s;
}
.fab-wa:hover{background:var(--wa-deep);color:#fff;transform:translateY(-2px)}
.fab-wa svg{width:20px;height:20px}
.fab-wa .tx{display:inline}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .pixel-stack{margin:0;max-width:320px}
  .sol-grid{grid-template-columns:repeat(2,1fr)}
  .sol-card:nth-child(2){border-right:none}
  .sol-card:nth-child(1),.sol-card:nth-child(2){border-bottom:1px solid var(--line)}
  .res-grid{grid-template-columns:1fr}
  .tut-grid{grid-template-columns:repeat(2,1fr)}
  .service-row{grid-template-columns:1fr;gap:32px}
  .service-row .left{position:static}
  .about-intro, .about-who, .contact-grid{grid-template-columns:1fr;gap:40px}
  .diff-grid{grid-template-columns:1fr}
  footer.site .top{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:680px){
  .section{padding:64px 0}
  .hero{padding:72px 0 64px}
  .hero-meta{grid-template-columns:1fr;gap:20px}
  .sol-grid{grid-template-columns:1fr}
  .sol-card{border-right:none !important;border-bottom:1px solid var(--line)}
  .sol-card:last-child{border-bottom:none}
  .tut-grid{grid-template-columns:1fr}
  .about-stats{grid-template-columns:1fr}
  .about-stats .stat{border-right:none;border-bottom:1px solid var(--line)}
  .about-stats .stat:last-child{border-bottom:none}
  .dl-row{grid-template-columns:48px 1fr;gap:14px}
  .dl-row .dl-size, .dl-row .dl-tag{display:none}
  .dl-row .dl-meta{grid-column:2}
  .dl-row .dl-btn{grid-column:1/-1;justify-content:center}
  .segments{grid-template-columns:1fr}
  .founder{grid-template-columns:1fr;gap:20px}
  .founder .avatar{max-width:140px}
  .field-row{grid-template-columns:1fr}
  nav.primary{display:none}
  nav.primary.open{display:flex;position:absolute;top:74px;left:0;right:0;background:var(--paper);flex-direction:column;border-bottom:1px solid var(--line);padding:12px 24px}
  nav.primary.open a{padding:14px 0;border-bottom:1px solid var(--line)}
  nav.primary.open a:last-of-type{border-bottom:none}
  .menu-btn{display:block}
  footer.site .top{grid-template-columns:1fr}
  .top-strip .strip-right{display:none}
  .cta-band .wrap{flex-direction:column;align-items:flex-start}
  .fab-wa .tx{display:none}
  .fab-wa{padding:14px}
  .hero-page{padding:56px 0 48px}
  .section-head{flex-direction:column;align-items:flex-start}
}