/* Stackly — landing page
   Paleta: navy escuro + azul (extraída da logo oficial) + branco-gelo
   Tipografia: Big Shoulders Display (industrial/condensada) + IBM Plex Sans/Mono */

:root{
  --navy-950: #0b1220;
  --navy-800: #17233d;
  --navy-700: #223151;
  --blue-600: #3b7dfb;
  --blue-700: #2f68e0;
  --blue-400: #6fa4ff;
  --blue-200: #a9cdff;
  --surface-050: #ffffff;
  --surface-100: #f5f8fd;
  --surface-200: #e8f0fc;
  --surface-300: #d7e3f7;
  --text-900: #0b1220;
  --text-700: #3d4a63;
  --text-500: #6b7690;
  --onDark-050: #f5f8fd;
  --onDark-200: #d7e3f7;
  --line: rgba(11,18,32,.12);
  --shadow-hard: 8px 8px 0 rgba(11,18,32,.14);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--surface-100);
  color:var(--text-900);
  font-family:"IBM Plex Sans", sans-serif;
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3{
  font-family:"Big Shoulders Display", sans-serif;
  font-weight:800;
  letter-spacing:.01em;
  line-height:1.02;
  margin:0;
  text-transform:uppercase;
}
p{margin:0;}

.wrap{
  max-width:1180px;
  margin:0 auto;
  padding:0 28px;
}

/* textura sutil de fundo, tipo tecido/jeans */
.grain{
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:9999;
  opacity:.035;
  mix-blend-mode:multiply;
  background-image:
    repeating-linear-gradient(45deg, #000 0, #000 1px, transparent 1px, transparent 3px);
}

.eyebrow{
  font-family:"IBM Plex Mono", monospace;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--blue-700);
  margin:0 0 14px;
  display:block;
}
.eyebrow-dark{color:var(--blue-400);}
.eyebrow-light{color:var(--blue-400);}

.section-title{
  font-size:clamp(28px,4vw,44px);
  margin-bottom:52px;
  max-width:720px;
  color:var(--text-900);
}
.section-title-dark{
  font-size:clamp(28px,4vw,44px);
  margin-bottom:52px;
  max-width:720px;
  color:var(--onDark-050);
}

/* botoes */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 26px;
  font-family:"IBM Plex Mono", monospace;
  font-weight:600;
  font-size:13.5px;
  letter-spacing:.06em;
  text-transform:uppercase;
  border-radius:3px;
  border:2px solid transparent;
  transition:transform .15s ease, box-shadow .15s ease;
}
.btn:hover{transform:translate(-2px,-2px);}
.btn-primary{
  background:var(--blue-600);
  color:#fff;
  box-shadow:4px 4px 0 var(--blue-700);
}
.btn-primary:hover{box-shadow:6px 6px 0 var(--blue-700);}
.btn-ghost{
  background:transparent;
  color:var(--navy-950);
  border-color:var(--navy-950);
}
.btn-outline-light{
  background:transparent;
  color:var(--onDark-050);
  border-color:var(--onDark-050);
}
.btn-outline-light:hover{box-shadow:6px 6px 0 rgba(255,255,255,.18);}
.btn-small{padding:10px 18px;font-size:12px;}
.btn-large{padding:18px 34px;font-size:14.5px;}

/* header */
.topbar{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(245,248,253,.92);
  backdrop-filter:blur(6px);
  border-bottom:2px solid var(--navy-950);
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top:14px;
  padding-bottom:14px;
}
.brand{display:flex;align-items:center;gap:10px;}
.brand-logo{height:32px;width:auto;flex:none;}
.brand-mark{width:34px;height:34px;flex:none;display:block;}
.brand-word{
  font-family:"Big Shoulders Display", sans-serif;
  font-weight:900;
  font-size:22px;
  letter-spacing:.04em;
  color:var(--onDark-050);
}
.nav-desktop{display:flex;gap:30px;}
.nav-desktop a{
  font-family:"IBM Plex Mono", monospace;
  font-size:13px;
  font-weight:500;
  color:var(--text-700);
  letter-spacing:.02em;
}
.nav-desktop a:hover{color:var(--blue-700);}

/* HERO */
.hero{
  padding:76px 0 90px;
  background:
    radial-gradient(circle at 82% 8%, var(--surface-200) 0, transparent 45%),
    var(--surface-100);
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.hero-copy h1{
  font-size:clamp(34px,4.6vw,58px);
  color:var(--text-900);
  margin:18px 0 24px;
}
.hero-copy h1 .hl{color:var(--blue-700);}
.hero-sub{
  font-size:17.5px;
  color:var(--text-700);
  max-width:520px;
  margin-bottom:32px;
}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:20px;}
.hero-note{
  font-family:"IBM Plex Mono", monospace;
  font-size:12.5px;
  color:var(--text-500);
}
.hero-shot{position:relative;}
.shot-frame{
  border:3px solid var(--navy-950);
  border-radius:6px;
  overflow:hidden;
  box-shadow:var(--shadow-hard);
  transform:rotate(1.4deg);
  background:#fff;
}
.shot-frame img{width:100%;display:block;}
.tag-float{
  position:absolute;
  bottom:-16px;
  left:-16px;
  background:var(--navy-950);
  color:var(--blue-200);
  font-family:"IBM Plex Mono", monospace;
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.08em;
  text-transform:uppercase;
  padding:9px 16px;
  border-radius:3px;
  transform:rotate(-2deg);
}

/* DORES */
.dores{
  background:var(--navy-950);
  padding:88px 0;
}
.dores-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:2px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.12);
}
.dor-card{
  background:var(--navy-950);
  padding:30px 24px 34px;
  color:var(--onDark-200);
}
.dor-num{
  display:block;
  font-family:"IBM Plex Mono", monospace;
  font-size:13px;
  color:var(--blue-400);
  margin-bottom:14px;
  font-weight:600;
}
.dor-card p{font-size:15px;color:var(--onDark-200);}
.dores-punch{
  margin-top:44px;
  font-family:"Big Shoulders Display", sans-serif;
  font-weight:700;
  font-size:clamp(20px,2.6vw,28px);
  color:var(--onDark-050);
  text-transform:none;
  max-width:760px;
}

/* COMO FUNCIONA */
.como-funciona{padding:100px 0;}
.passo{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:48px 0;
  border-bottom:1px solid var(--line);
}
.passo:last-child{border-bottom:none;}
.passo-b .passo-copy{order:2;}
.passo-b .passo-shot{order:1;}
.passo-num{
  font-family:"IBM Plex Mono", monospace;
  font-size:13px;
  font-weight:600;
  color:var(--blue-700);
  letter-spacing:.1em;
}
.passo-copy h3{
  font-size:clamp(22px,2.8vw,30px);
  color:var(--text-900);
  margin:12px 0 16px;
  text-transform:none;
}
.passo-copy p{color:var(--text-700);font-size:16px;margin-bottom:18px;}
.passo-lista li{
  position:relative;
  padding-left:22px;
  margin-bottom:11px;
  font-size:14.5px;
  color:var(--text-700);
}
.passo-lista li::before{
  content:"—";
  position:absolute;
  left:0;
  color:var(--blue-600);
  font-weight:700;
}
.passo-shot img{
  border:3px solid var(--navy-950);
  border-radius:6px;
  box-shadow:var(--shadow-hard);
}
.passo-a .passo-shot img{transform:rotate(-1deg);}
.passo-b .passo-shot img{transform:rotate(1deg);}

/* SPEC SHEET */
.spec{background:var(--navy-950);padding:96px 0;}
.spec-sheet{
  border-top:2px solid rgba(255,255,255,.2);
}
.spec-row{
  display:grid;
  grid-template-columns:180px 1fr;
  gap:24px;
  padding:20px 0;
  border-bottom:1px solid rgba(255,255,255,.14);
  align-items:baseline;
}
.spec-label{
  font-family:"IBM Plex Mono", monospace;
  font-weight:600;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--blue-400);
}
.spec-value{color:var(--onDark-200);font-size:15.5px;}

/* PARA QUEM */
.para-quem{padding:100px 0;}
.quem-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:2px;
  background:var(--navy-950);
  border:1px solid var(--navy-950);
}
.quem-card{
  background:var(--surface-050);
  padding:34px 28px;
}
.quem-card h3{
  font-size:20px;
  text-transform:none;
  color:var(--blue-700);
  margin-bottom:14px;
}
.quem-card p{font-size:14.5px;color:var(--text-700);}

/* DIFERENCIAIS */
.diferenciais{background:var(--navy-950);padding:100px 0;}
.diferenciais-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:56px;
  align-items:center;
}
.dif-lista li{
  padding:16px 0;
  border-bottom:1px solid rgba(255,255,255,.14);
  font-size:15px;
  color:var(--onDark-200);
}
.dif-lista li strong{color:var(--onDark-050);font-weight:600;}
.dif-shot img{
  border:3px solid var(--blue-600);
  border-radius:6px;
  box-shadow:8px 8px 0 rgba(0,0,0,.35);
}

/* MOBILE STRIP */
.mobile-strip{padding:96px 0;}
.mobile-strip-inner{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:56px;
  align-items:center;
}
.mobile-copy p{color:var(--text-700);font-size:16px;margin-top:16px;max-width:460px;}
.mobile-shot{display:flex;justify-content:center;}
.mobile-shot img{
  max-width:260px;
  border:3px solid var(--navy-950);
  border-radius:20px;
  box-shadow:var(--shadow-hard);
}

/* CTA FINAL */
.cta-final{
  background:
    radial-gradient(ellipse at 25% 15%, rgba(59,125,251,.28), transparent 55%),
    var(--navy-950);
  padding:100px 0;
}
.cta-final-inner{text-align:center;max-width:680px;}
.cta-title{
  font-size:clamp(30px,4.4vw,50px);
  color:var(--onDark-050);
  margin-bottom:18px;
}
.cta-sub{font-size:17px;color:var(--onDark-200);margin-bottom:36px;}
.cta-buttons{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;}
.cta-todo{
  margin-top:26px;
  font-family:"IBM Plex Mono", monospace;
  font-size:11.5px;
  color:rgba(215,227,247,.55);
}

/* SCREENSHOTS CLICAVEIS */
.shot-frame img,
.passo-shot img,
.dif-shot img,
.mobile-shot img{
  cursor:zoom-in;
}

/* LIGHTBOX */
.lightbox{
  position:fixed;
  inset:0;
  background:rgba(6,9,18,.88);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:5vh 5vw;
  z-index:1000;
  opacity:0;
  visibility:hidden;
  transition:opacity .2s ease;
}
.lightbox.is-open{
  opacity:1;
  visibility:visible;
}
.lightbox img{
  max-width:100%;
  max-height:90vh;
  border-radius:6px;
  box-shadow:0 20px 60px rgba(0,0,0,.5);
}
.lightbox-close{
  position:absolute;
  top:20px;
  right:24px;
  width:44px;
  height:44px;
  border:2px solid var(--onDark-050);
  border-radius:50%;
  background:transparent;
  color:var(--onDark-050);
  font-size:22px;
  line-height:1;
  cursor:pointer;
}
.lightbox-close:hover{
  background:rgba(255,255,255,.12);
}

/* RODAPE */
.rodape{background:var(--navy-950);padding:52px 0 34px;}
.rodape-inner{text-align:center;}
.brand-footer{justify-content:center;margin-bottom:14px;}
.rodape-copy{color:var(--onDark-200);font-size:14px;margin-bottom:8px;}
.rodape-fine{color:rgba(215,227,247,.5);font-size:12.5px;font-family:"IBM Plex Mono", monospace;}

/* reveal on scroll */
[data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease;}
[data-reveal].is-visible{opacity:1;transform:none;}

/* RESPONSIVO */
@media (max-width: 900px){
  .nav-desktop{display:none;}
  .hero-grid,
  .diferenciais-grid,
  .mobile-strip-inner{grid-template-columns:1fr;}
  .hero-shot{order:-1;}
  .passo,
  .passo-b .passo-copy,
  .passo-b .passo-shot{grid-template-columns:1fr;order:initial;}
  .passo{grid-template-columns:1fr;}
  .dores-grid,
  .quem-grid{grid-template-columns:1fr;}
  .spec-row{grid-template-columns:1fr;gap:6px;}
  .wrap{padding:0 20px;}
}