/* GuiTech-like landing (manual + produtos) — azul/preto/branco
   Inspirado no layout do seu index/styles atuais: hero grande, botões, feature grid e cards.
*/

/* === VARIÁVEIS === */
:root{
  --primary: #3b82f6;
  --bg: #0c0f14;
  --card: #11141a;
  --muted: #9ca3af;
  --light: #e6e9ee;
  --glass: rgba(255,255,255,0.04);
  --container: 1100px;
  --radius: 14px;
  --transition: 320ms cubic-bezier(.22,.9,.3,1);
}

/* === RESET === */
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  background: radial-gradient(900px 600px at 20% 0%, rgba(59,130,246,.16), transparent 55%),
              radial-gradient(800px 600px at 90% 10%, rgba(59,130,246,.10), transparent 55%),
              var(--bg);
  color: var(--light);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.45;
}

a{color:inherit}
img{max-width:100%; height:auto; display:block}

/* container */
.container{
  width:calc(100% - 32px);
  max-width:var(--container);
  margin:0 auto;
  padding:24px 16px;
}

/* header */
.site-header{
  position:fixed;
  top:0; left:0; right:0;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(0,0,0,0.12));
  border-bottom:1px solid rgba(255,255,255,0.03);
  backdrop-filter: blur(10px);
  z-index:50;
}
.header-inner{
  display:flex;
  align-items:center;
  gap:12px;
}
.logo-wrapper{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
}
.logo-badge{
  width:38px;
  height:38px;
  border-radius:999px;
  display:grid;
  place-items:center;
  background: rgba(59,130,246,.15);
  border:1px solid rgba(59,130,246,.35);
  box-shadow: 0 0 0 8px rgba(59,130,246,.08);
}
.logo-text{
  margin:0;
  color: var(--primary);
  font-weight: 900;
  font-size: 1.1rem;
  letter-spacing:.2px;
}

/* nav */
.nav{
  margin-left:auto;
  display:none; /* mobile-first */
  gap:18px;
  align-items:center;
}
.nav a{
  color: #ddd;
  text-decoration:none;
  font-weight:700;
  font-size:0.95rem;
  padding:8px 4px;
  transition: var(--transition);
}
.nav a:hover{ color: var(--primary); transform: translateY(-2px); }
.nav a.active{ color: var(--primary); }

/* mobile toggle */
.mobile-toggle{
  background:transparent;
  border:0;
  color:#ddd;
  font-size:1.2rem;
  margin-left:auto;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px;
  border-radius: 10px;
}
.mobile-toggle:hover{ background: rgba(255,255,255,0.04); }

.nav.open{
  display:flex;
  flex-direction: column;
  position: absolute;
  top: 70px;
  right: 16px;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(10px);
  padding: 16px;
  border-radius: 12px;
  gap: 14px;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 18px 60px rgba(0,0,0,.55);
}
.mobile-toggle.open { transform: rotate(90deg); }

/* buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  text-decoration:none;
  border-radius:12px;
  padding:10px 16px;
  font-weight:800;
  cursor:pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  user-select:none;
}
.btn.large{ padding:12px 20px; font-size:1rem; border-radius:14px; }

.btn.primary{
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 18px rgba(59,130,246,0.14), 0 2px 6px rgba(0,0,0,0.55);
  position:relative;
  overflow:hidden;
}
.btn.primary::after{
  content:"";
  position:absolute;
  inset:-1px;
  background: radial-gradient(220px 220px at var(--mx, 50%) var(--my, 50%), rgba(255,255,255,.20), transparent 60%);
  opacity:.0;
  transition: opacity .18s ease;
}
.btn.primary:hover::after{ opacity: 1; }
.btn.primary:hover{
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 14px 34px rgba(59,130,246,0.22);
}

.btn.outline{
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.10);
  color: #fff;
  box-shadow: 0 0 10px rgba(59,130,246,0.55);
}
.btn.outline:hover{
  transform: translateY(-3px);
  box-shadow: 0 0 20px rgba(59,130,246,0.95);
}
.btn.soft{
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  color:#fff;
}
.btn.soft:hover{ transform: translateY(-3px); border-color: rgba(59,130,246,0.35); background: rgba(59,130,246,0.10); }

/* HERO */
.hero{
  padding-top: 120px; /* espaço do header */
  padding-bottom: 28px;
}
.hero-inner{
  display:flex;
  flex-direction:column;
  gap:22px;
  align-items:flex-start;
  text-align:left;
}
.hero-copy h1{
  font-size: 2.2rem;
  margin:0;
  line-height:1.03;
  font-weight: 950;
  letter-spacing:-.6px;
}
.hero-copy .accent{ color: var(--primary); }
.lead{ color: #c9cbd1; margin-top:10px; max-width: 800px; font-size: 1.02rem; }

.cta-row{
  margin-top: 16px;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}

/* feature grid (as "caixas" à direita) */
.hero-features{ width:100%; }
.feature-grid{
  list-style:none;
  padding:0;
  margin: 12px 0 0 0;
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  width: 100%;
}
.feature-grid li{
  background: linear-gradient(180deg, rgba(0,0,0,0.3), rgba(0,0,0,0.7));
  padding: 14px 16px;
  border-radius: 12px;
  font-weight: 800;
  color:#fff;
  text-align:center;
  cursor: default;
  border: 1px solid rgba(59,130,246,0.35);
  transform-origin:center;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border 0.3s ease, background 0.3s ease;
}
.feature-grid li:hover{
  transform: translateY(-6px) scale(1.03);
  box-shadow: 0 10px 26px rgba(0,0,0,.6), 0 0 12px rgba(59,130,246,0.45);
  border-color: rgba(59,130,246,0.75);
  background: linear-gradient(180deg, rgba(0,0,0,0.6), rgba(0,0,0,0.85));
}

/* sections */
.section{ padding: 38px 0 54px 0; }
.section.alt{ background: rgba(255,255,255,0.01); }
.section-title{ font-size:1.5rem; margin:0; font-weight: 900; text-align:center; }
.section-title .accent{ color: var(--primary); }
.section-sub{ color: var(--muted); text-align:center; margin-top:10px; }

/* cards grid */
.cards-grid{
  margin-top: 18px;
  display:grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.card{
  background: linear-gradient(180deg, rgba(0,0,0,0.35), rgba(0,0,0,0.70));
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid rgba(59,130,246,0.30);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border 0.3s ease, background 0.3s ease;
}
.card:hover{
  transform: translateY(-8px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.65), 0 0 15px rgba(59,130,246,0.40);
  border-color: rgba(59,130,246,0.75);
  background: linear-gradient(180deg, rgba(0,0,0,0.65), rgba(0,0,0,0.88));
}
.card h4{ margin:0 0 8px; font-size:1.05rem; }
.card p{ margin:0; color:#c9cbd1; }

/* page layout */
.page{
  padding-top: 120px;
  padding-bottom: 70px;
}
.page-hero{
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(0,0,0,0.22));
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 18px;
  padding: 18px;
}
.page-hero h2{
  margin:0;
  font-size: 1.65rem;
  font-weight: 950;
}
.page-hero p{ margin:10px 0 0; color:#c9cbd1; }

.page-grid{
  margin-top: 16px;
  display:grid;
  grid-template-columns: 1fr;
  gap:14px;
}

.panel{
  background: linear-gradient(180deg, rgba(0,0,0,0.35), rgba(0,0,0,0.75));
  border: 1px solid rgba(59,130,246,0.28);
  border-radius: 16px;
  padding: 18px;
}
.panel h3{ margin:0 0 10px; font-size:1.15rem; }
.kv{
  display:grid;
  gap:10px;
}
.kv .item{
  border:1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
  border-radius: 12px;
  padding: 12px;
}
.kv .item b{ display:block; font-size: 0.85rem; color: #e7e9ef; }
.kv .item span{ display:block; margin-top:6px; color:#c9cbd1; }

details{
  border:1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
  border-radius: 12px;
  overflow:hidden;
}
details + details{ margin-top: 10px; }
summary{
  cursor:pointer;
  padding: 12px 14px;
  font-weight: 900;
  list-style:none;
}
summary::-webkit-details-marker{display:none}
.detail{
  padding: 0 14px 14px;
  color:#c9cbd1;
  line-height:1.7;
}

.form{
  display:grid;
  gap:12px;
}
label{ display:grid; gap:6px; }
label span{ font-weight: 900; font-size: 0.95rem; }
input, textarea{
  border-radius: 12px;
  border:1px solid rgba(255,255,255,0.10);
  background: rgba(0,0,0,0.35);
  color:#fff;
  padding: 12px 12px;
  outline:none;
}
input:focus, textarea:focus{
  border-color: rgba(59,130,246,0.70);
  box-shadow: 0 0 0 4px rgba(59,130,246,0.12);
}
.form-actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

/* footer */
.site-footer{
  padding:28px 0 56px;
  border-top:1px solid rgba(255,255,255,0.03);
}
.footer-grid{
  display:grid;
  grid-template-columns: 1fr;
  gap:18px;
}
.footer-grid h4{ margin:0; color:var(--primary); }
.footer-grid a{ display:block; color:#bdbfc6; text-decoration:none; margin:6px 0; }

/* reveal */
.reveal{
  opacity:0;
  transform: translateY(18px) scale(0.995);
  transition: opacity 560ms cubic-bezier(.2,.9,.3,1), transform 560ms cubic-bezier(.2,.9,.3,1);
}
.reveal.active{
  opacity:1;
  transform: translateY(0) scale(1);
}

@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important; scroll-behavior:auto !important; }
  .reveal{ opacity:1; transform:none; }
}

/* responsive */
@media(min-width:720px){
  .nav{ display:flex; }
  .mobile-toggle{ display:none; }

  .hero-inner{
    flex-direction:row;
    align-items:center;
    gap:40px;
  }
  .hero-copy{ flex: 1.2; }
  .hero-features{ flex: .9; }
  .hero-copy h1{ font-size: 3.4rem; }
  .cards-grid{ grid-template-columns: repeat(2,1fr); }
  .footer-grid{ grid-template-columns: repeat(4,1fr); }
  .feature-grid{ grid-template-columns: repeat(2, 1fr); }
  .page-grid{ grid-template-columns: 1.2fr .8fr; }
}

@media(min-width:1100px){
  .hero-copy h1{ font-size: 4rem; }
  .cards-grid{ gap: 22px; }
}