/* Testes INATTER — landing page.
   Cores da marca vêm de testes_inatter1/lib/theme.dart (brandNavy, brandGreen). */

:root {
  --navy: #12324A;
  --navy-escuro: #0B2234;
  --verde: #087B54;
  --verde-escuro: #066142;
  --whatsapp: #1DA851;
  --whatsapp-escuro: #168A42;
  --fundo: #F4F7F9;
  --cartao: #FFFFFF;
  --texto: #1B2A36;
  --texto-suave: #4F6474;
  --linha: #DCE4EA;
  --raio: 14px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.5;
  color: var(--texto);
  background: var(--fundo);
}

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

a { color: var(--verde); }

h1, h2 { line-height: 1.15; margin: 0 0 .6em; }
h1 { font-size: clamp(1.6rem, 5.5vw, 2.6rem); font-weight: 800; }
h2 { font-size: clamp(1.35rem, 4vw, 1.9rem); color: var(--navy); }

.contentor {
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Topo */
.topo {
  background: var(--navy);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
}
.topo-linha {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 60px;
}
.marca {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
}
.marca img { width: 40px; height: 40px; background: #fff; border-radius: 10px; padding: 3px; }
.ligacao-topo {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: .95rem;
  padding: 8px 14px;
  border: 1px solid rgba(255,255,255,.45);
  border-radius: 999px;
  white-space: nowrap;
}
.ligacao-topo:hover { background: rgba(255,255,255,.12); }

/* Herói */
.heroi {
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-escuro) 100%);
  color: #fff;
  padding: 32px 0 44px;
}
.heroi-grelha {
  display: grid;
  gap: 28px;
  align-items: center;
}
.heroi-logo {
  order: -1;
  display: flex;
  justify-content: center;
}
.heroi-logo img {
  width: min(260px, 70vw);
  background: #fff;
  border-radius: 24px;
  padding: 18px 20px;
  box-shadow: 0 18px 40px rgba(0,0,0,.35);
}
.sub {
  font-size: 1.08rem;
  color: rgba(255,255,255,.88);
  margin: 0 0 24px;
}
.nota { font-size: .92rem; color: rgba(255,255,255,.72); margin: 16px 0 0; }
.instalar .nota { color: var(--texto-suave); }

/* Botões */
.botoes { display: flex; flex-direction: column; gap: 12px; }
.btn {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-radius: var(--raio);
  text-decoration: none;
  color: #fff;
  font-weight: 600;
  line-height: 1.2;
  min-height: 60px;
  transition: transform .08s ease, background .15s ease;
  -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: scale(.985); }
.btn svg { flex: none; }
.btn > span { display: flex; flex-direction: column; gap: 3px; }
.btn strong { font-size: 1.05rem; }
.btn small { font-size: .82rem; font-weight: 500; opacity: .85; }

.btn-principal {
  background: var(--verde);
  min-height: 68px;
  box-shadow: 0 8px 22px rgba(8,123,84,.45);
}
.btn-principal:hover { background: var(--verde-escuro); }
.btn-principal strong { font-size: 1.15rem; }

.btn-secundario {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.35);
}
.btn-secundario:hover { background: rgba(255,255,255,.18); }

.btn-whatsapp { background: var(--whatsapp); }
.btn-whatsapp:hover { background: var(--whatsapp-escuro); }

/* Funções */
.funcoes { padding: 40px 0 8px; }
.cartoes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.cartoes li {
  background: var(--cartao);
  border: 1px solid var(--linha);
  border-radius: var(--raio);
  padding: 18px 18px 16px;
}
.cartoes .numero {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--verde);
  line-height: 1;
  margin-bottom: 6px;
}
.cartoes strong { display: block; color: var(--navy); font-size: 1.05rem; }
.cartoes p { margin: 6px 0 0; color: var(--texto-suave); font-size: .95rem; }

/* Instalar */
.instalar { padding: 40px 0 48px; }
.passos {
  list-style: none;
  counter-reset: passo;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.passos li {
  counter-increment: passo;
  position: relative;
  background: var(--cartao);
  border: 1px solid var(--linha);
  border-radius: var(--raio);
  padding: 16px 16px 16px 66px;
}
.passos li::before {
  content: counter(passo);
  position: absolute;
  left: 16px;
  top: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}
.passos strong { display: block; color: var(--navy); font-size: 1.05rem; }
.passos p { margin: 4px 0 0; color: var(--texto-suave); font-size: .95rem; }

/* Rodapé */
.rodape {
  background: var(--navy);
  color: #fff;
  text-align: center;
  padding: 28px 0 32px;
}
.rodape p { margin: 0 0 6px; }
.rodape .pequeno { font-size: .9rem; color: rgba(255,255,255,.75); }
.rodape a { color: #fff; }

/* Ecrãs maiores */
@media (min-width: 760px) {
  .heroi { padding: 56px 0 64px; }
  .heroi-grelha { grid-template-columns: 1.3fr 1fr; gap: 40px; }
  .heroi-logo { order: 0; }
  .heroi-logo img { width: min(360px, 100%); }
  .botoes { max-width: 460px; }
  .funcoes { padding-top: 56px; }
  .instalar { padding-bottom: 64px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}