/* SoftUai — modern landing (web focus)
   Author: ChatGPT
*/

:root{
  --bg: #0b1220;
  --bg2: #0b1220;
  --surface: rgba(255,255,255,.06);
  --surface2: rgba(255,255,255,.10);
  --stroke: rgba(255,255,255,.10);
  --text: rgba(255,255,255,.90);
  --muted: rgba(255,255,255,.68);
  --brand: #7c3aed; /* roxo */
  --brand2: #22c55e; /* verde */
  --shadow: 0 18px 50px rgba(0,0,0,.35);
  --radius: 18px;
  --radius2: 22px;
  --container: 1120px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 15% 10%, rgba(124,58,237,.35), transparent 60%),
    radial-gradient(1000px 600px at 85% 20%, rgba(34,197,94,.22), transparent 55%),
    linear-gradient(180deg, #070b14 0%, #0b1220 45%, #070b14 100%);
}

a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display:block; }

.container{
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(7,11,20,.55);
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
}

.logo img{
  height: 34px;
  width: auto;
}

.nav{
  display:flex;
  align-items:center;
  gap: 18px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.06);
}

.nav a{
  font-weight: 600;
  font-size: 14px;
  color: var(--muted);
  padding: 6px 8px;
  border-radius: 10px;
  transition: transform .15s ease, background .15s ease, color .15s ease;
}
.nav a:hover{
  color: var(--text);
  background: rgba(255,255,255,.06);
  transform: translateY(-1px);
}

.nav-toggle{
  display:none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  cursor:pointer;
  padding: 10px;
}
.nav-toggle span{
  display:block;
  height: 2px;
  background: rgba(255,255,255,.85);
  border-radius: 4px;
  margin: 6px 0;
}

.cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(124,58,237,1), rgba(34,197,94,1));
  color: white;
  font-weight: 800;
  letter-spacing: .2px;
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 12px 30px rgba(0,0,0,.35);
  transition: transform .15s ease, filter .15s ease;
}
.cta:hover{ transform: translateY(-1px); filter: brightness(1.02); }
.cta:active{ transform: translateY(0); }

.btn-secondary{
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: none;
  font-weight: 800;
}

.hero{
  position: relative;
  overflow: hidden;
  padding: 58px 0 34px;
}

.hero-inner{
  display:grid;
  grid-template-columns: 1.25fr .85fr;
  gap: 26px;
  align-items: start;
}

.badge{
  display:inline-flex;
  font-size: 13px;
  font-weight: 700;
  color: rgba(255,255,255,.88);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.10);
  padding: 8px 12px;
  border-radius: 999px;
}

.hero h1{
  margin: 14px 0 10px;
  font-size: clamp(32px, 4.2vw, 52px);
  line-height: 1.04;
  letter-spacing: -0.9px;
}

.hero p{
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.55;
  max-width: 62ch;
}

.hero-actions{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 16px 0 18px;
}

.hero-trust{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 14px;
}

.trust-item{
  display:flex;
  gap: 10px;
  align-items:flex-start;
  padding: 12px 12px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
}

.trust-emoji{
  width: 34px;
  height: 34px;
  border-radius: 12px;
  display:flex;
  align-items:center;
  justify-content:center;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.08);
}

.trust-item strong{ font-size: 14px; }
.trust-item span{ font-size: 13px; color: var(--muted); }

.hero-card{
  position: relative;
  padding: 18px 18px;
  border-radius: var(--radius2);
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: var(--shadow);
}

.pill{
  display:inline-flex;
  font-size: 12px;
  font-weight: 800;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(34,197,94,.16);
  border: 1px solid rgba(34,197,94,.35);
  color: rgba(255,255,255,.92);
}

.hero-card h2{
  margin: 12px 0 10px;
  font-size: 18px;
  letter-spacing: -.2px;
}

.checklist{
  margin: 0;
  padding-left: 18px;
  color: rgba(255,255,255,.78);
  line-height: 1.55;
  font-size: 14px;
}
.checklist li{ margin: 8px 0; }

.hero-mini{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.chip{
  display:inline-flex;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.10);
  color: rgba(255,255,255,.86);
}

.hero-glow{
  position:absolute;
  inset: -120px -120px auto -120px;
  height: 320px;
  background: radial-gradient(closest-side, rgba(124,58,237,.22), transparent 70%);
  filter: blur(2px);
  pointer-events:none;
}

.section{
  padding: 54px 0;
}

.section.alt{
  background: linear-gradient(180deg, rgba(255,255,255,.03), transparent 60%);
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
}

h2{
  margin: 0 0 10px;
  font-size: 28px;
  letter-spacing: -0.5px;
}

.lead{
  margin: 0 0 18px;
  color: var(--muted);
  max-width: 70ch;
  line-height: 1.55;
}

.grid{
  display:grid;
  gap: 14px;
}
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-2{ grid-template-columns: repeat(2, 1fr); }

.card{
  padding: 18px 18px;
  border-radius: var(--radius2);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
  box-shadow: 0 12px 30px rgba(0,0,0,.20);
}

.card h3{
  margin: 10px 0 8px;
  letter-spacing: -0.3px;
}
.card p{ color: var(--muted); line-height: 1.55; margin: 0 0 10px; }

.card ul{
  margin: 10px 0 0;
  padding-left: 18px;
  color: rgba(255,255,255,.78);
  line-height: 1.55;
  font-size: 14px;
}
.card li{ margin: 6px 0; }

.tag{
  display:inline-flex;
  font-size: 12px;
  font-weight: 800;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(124,58,237,.18);
  border: 1px solid rgba(124,58,237,.35);
}

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

.split-card{
  padding: 18px 18px;
  border-radius: var(--radius2);
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
}

.bullets{
  display:grid;
  gap: 10px;
  margin-top: 12px;
}
.bullet{
  display:flex;
  gap: 10px;
  align-items:flex-start;
  color: rgba(255,255,255,.84);
}

.project-thumb{
  height: 140px;
  border-radius: 16px;
  background:
    radial-gradient(500px 220px at 30% 20%, rgba(124,58,237,.25), transparent 60%),
    radial-gradient(420px 200px at 70% 30%, rgba(34,197,94,.18), transparent 55%),
    rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  display:flex;
  align-items:center;
  justify-content:center;
  color: rgba(255,255,255,.70);
  font-weight: 800;
  margin-bottom: 12px;
}

.process{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 10px;
}
.step{
  padding: 14px 14px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  color: rgba(255,255,255,.82);
  line-height: 1.55;
  font-size: 14px;
}

.stack{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.faq{
  padding: 14px 14px;
  border-radius: var(--radius2);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
}
.faq summary{
  cursor:pointer;
  font-weight: 800;
  list-style: none;
}
.faq summary::-webkit-details-marker{ display:none; }
.faq p{
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.cta-banner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 18px;
  border-radius: var(--radius2);
  background: linear-gradient(135deg, rgba(124,58,237,.18), rgba(34,197,94,.12));
  border: 1px solid rgba(255,255,255,.10);
}

.form{
  padding: 18px 18px;
  border-radius: var(--radius2);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
}

.row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

label{
  display:block;
  font-size: 13px;
  font-weight: 700;
  color: rgba(255,255,255,.80);
  margin: 10px 0 6px;
}

input, select, textarea{
  width: 100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(7,11,20,.45);
  color: rgba(255,255,255,.92);
  outline: none;
}
textarea{ resize: vertical; }
input::placeholder, textarea::placeholder{ color: rgba(255,255,255,.45); }

.checkbox{
  display:flex;
  align-items:flex-start;
  gap: 10px;
  margin-top: 10px;
  color: rgba(255,255,255,.70);
  font-size: 13px;
}
.checkbox input{ width: auto; margin-top: 4px; }

.form-actions{
  margin-top: 12px;
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
}

.small{
  font-size: 13px;
  color: rgba(34,197,94,.95);
  margin-top: 10px;
}

.footer{
  padding: 26px 0 36px;
  border-top: 1px solid rgba(255,255,255,.06);
  background: rgba(7,11,20,.55);
}

.footer-inner{
  display:flex;
  justify-content: space-between;
  align-items:center;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-brand{
  display:flex;
  align-items:center;
  gap: 10px;
}

.footer-copy{ color: rgba(255,255,255,.62); }

/* Responsive */
@media (max-width: 980px){
  .hero-inner{ grid-template-columns: 1fr; }
  .hero-trust{ grid-template-columns: 1fr; }
  .process{ grid-template-columns: 1fr 1fr; }
  .grid-3{ grid-template-columns: 1fr; }
  .grid-2{ grid-template-columns: 1fr; }
  .split{ grid-template-columns: 1fr; }
  .cta-top{ display:none; }

  .nav-toggle{ display:block; }
  .nav{
    display:none;
    position:absolute;
    right: 20px;
    top: 68px;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 12px;
    width: min(340px, calc(100% - 40px));
    border-radius: 16px;
    background: rgba(7,11,20,.92);
    border: 1px solid rgba(255,255,255,.10);
    box-shadow: var(--shadow);
  }
  .nav.is-open{ display:flex; }
  .nav a{ padding: 10px 10px; }
}

@media (max-width: 520px){
  .row{ grid-template-columns: 1fr; }
  .cta{ width: 100%; }
  .cta-banner{ flex-direction: column; align-items: stretch; }
}

/* Fix: icon styles should not affect inner text spans */
.bullet .icon{
  width: 28px;
  height: 28px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius: 10px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.08);
  flex: 0 0 28px;
}

.project-thumb-img{
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.08);
  margin-bottom: 12px;
}

/* Contact form helpers */
.hp{ position:absolute; left:-9999px; width:1px; height:1px; opacity:0; }
.small.error{ color: rgba(239,68,68,.95); }