/* ===========================
   RESET E BASE
=========================== */

* { box-sizing: border-box; }
html:focus-within { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: #0f172a;
  background: #ffffff;
  line-height: 1.6;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
}

a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0 0 0.6rem; line-height: 1.25; }
p { margin: 0 0 1rem; }


/* ===========================
   CORES
=========================== */

:root {
  --brand: #2563eb;
  --ink: #0f172a;
  --muted: #64748b;
  --alt: #f8fafc;
  --card: #ffffff;
}


/* ===========================
   ESTRUTURA
=========================== */

.container {
  width: min(1120px, 92%);
  margin-inline: auto;
}

.section { padding: 3rem 0; }
.section.alt { background: var(--alt); }
.section.slim { padding: 1.6rem 0; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
}


/* ===========================
   SKIP LINK (ACESSIBILIDADE)
=========================== */

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  padding: .5rem 1rem;
  background: var(--brand);
  color: #fff;
  border-radius: 8px;
  z-index: 1000;
}


/* ===========================
   HEADER
=========================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.header-grid {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 1rem;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-weight: 700;
}

.nav-toggle {
  padding: .6rem .9rem;
  border: 1px solid rgba(0,0,0,.15);
  border-radius: 8px;
  background: white;
}

.nav-list {
  list-style: none;
  padding: .6rem;
  margin: 0;
  display: none;
  flex-direction: column;
  position: absolute;
  right: 1.2rem;
  top: 65px;
  background: white;
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,.08);
  box-shadow: 0 8px 30px rgba(0,0,0,.12);
}

.nav-list.open { display: flex; }

.nav-list a {
  padding: .7rem .9rem;
  border-radius: 8px;
}

.nav-list a:hover {
  background: rgba(37,99,235,0.1);
}

.lang-switch {
  display: flex;
  gap: .3rem;
}

.lang-switch a.active {
  color: var(--brand);
  font-weight: 600;
}


/* ===========================
   HERO
=========================== */

.hero {
  padding: 3.8rem 0;
  background: radial-gradient(900px 450px at 10% -10%, rgba(37,99,235,0.08), transparent 70%);
}

.hero h1 {
  font-size: clamp(1.8rem, 5vw, 3rem);
}

.lead {
  color: var(--muted);
  font-size: 1.05rem;
}

.cta {
  margin: 1.2rem 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .8rem;
}

.btn {
  display: inline-block;
  padding: .9rem 1.1rem;
  background: var(--brand);
  color: white;
  text-align: center;
  border-radius: 12px;
  font-weight: 700;
}

.btn:hover { filter: brightness(1.05); }

.btn-outline {
  background: transparent;
  color: var(--brand);
  border: 2px solid var(--brand);
}

.btn-small { padding: .5rem .7rem; }
.btn-large { padding: 1rem 1.2rem; font-size: 1.1rem; }

.trust {
  list-style: none;
  padding: 0;
  margin-top: 1rem;
  color: var(--muted);
}

.trust li { margin-bottom: .4rem; }


/* ===========================
   CARDS, LISTS E ESPECS
=========================== */

.cards {
  display: grid;
  gap: 1rem;
}

.card {
  background: white;
  border-radius: 12px;
  padding: 1.4rem;
  border: 1px solid rgba(0,0,0,.08);
}

.specs {
  display: grid;
  gap: 1.4rem;
}

.list {
  padding-left: 1.2rem;
}


/* ===========================
   FORMULÁRIO
=========================== */

.field { margin-bottom: 1rem; }

label {
  display: block;
  margin-bottom: .3rem;
  font-weight: 600;
}

input, textarea {
  width: 100%;
  padding: .8rem 1rem;
  border-radius: 10px;
  border: 1px solid rgba(0,0,0,.15);
  background: white;
  font-size: 1rem;
}

input:focus, textarea:focus {
  outline: 2px solid rgba(37,99,235,0.4);
}

.checkbox {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .6rem;
}

.contact-card {
  background: white;
  padding: 1.6rem;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 12px;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.contact-list li {
  margin-bottom: .7rem;
}


/* ===========================
   FOOTER
=========================== */

.site-footer {
  padding: 1.8rem 0;
  text-align: center;
  font-size: .95rem;
  color: var(--muted);
  border-top: 1px solid rgba(0,0,0,0.08);
}


/* ===========================
   DESKTOP
=========================== */

@media (min-width: 900px) {

  .grid-2 { grid-template-columns: 1.1fr .9fr; gap: 2.2rem; }

  .cards { grid-template-columns: repeat(3,1fr); }

  .specs { grid-template-columns: repeat(3,1fr); }

  .cta { display: inline-flex; gap: 1rem; }

  .nav-toggle { display: none; }

  .nav-list {
    display: flex !important;
    position: static;
    flex-direction: row;
    box-shadow: none;
    border: none;
    padding: 0;
    gap: .6rem;
    background: transparent;
  }

  .nav-list a {
    padding: .6rem 1rem;
    border-radius: 10px;
  }

}