/* Landing da eSurf. Cores da marca (design/marcas.md): tinta #0E1B22 e ciano #2EC4D6; no texto sobre branco, o azul escuro (#0A6F80). */
:root {
  --tinta: #0E1B22;
  --tinta-2: #16262F;
  --ciano: #2EC4D6;
  --azul: #0A6F80;
  --texto: #1B2830;
  --apagado: #5A6B73;
  --fundo: #FFFFFF;
  --fundo-2: #F3F7F8;
  --linha: #DDE6E9;
  --raio: 14px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--texto);
  background: var(--fundo);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--fundo); line-height: 1.55; font-size: 17px; }
a { color: var(--azul); }
img { max-width: 100%; height: auto; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.02em; margin: 0 0 .6rem; color: var(--tinta); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.3rem); }
h3 { font-size: 1.1rem; letter-spacing: -.01em; }
.faixa { width: min(1160px, 100% - 32px); margin-inline: auto; }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: .7rem 1.3rem; border-radius: 10px; font-weight: 700;
  text-decoration: none; border: 2px solid transparent; font: inherit; font-weight: 700; cursor: pointer; transition: transform .15s, background .15s; }
.btn:hover { transform: translateY(-1px); }
.btn-principal { background: var(--ciano); color: var(--tinta); }
.btn-principal:hover { background: #4fd2e1; }
.btn-contorno { border-color: rgb(255 255 255 / .35); color: #fff; }
.btn-contorno:hover { border-color: #fff; }
.btn-claro { background: #fff; color: var(--tinta); min-height: 40px; padding: .45rem 1rem; }
a:focus-visible, .btn:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid var(--ciano); outline-offset: 2px; }

.topo { background: var(--tinta); position: sticky; top: 0; z-index: 10; border-bottom: 1px solid rgb(255 255 255 / .06); }
.topo .faixa { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 72px; }
.topo nav { display: flex; align-items: center; gap: 1.4rem; }
.topo nav a:not(.btn) { color: #C9D5DA; text-decoration: none; font-size: .95rem; }
.topo nav a:not(.btn):hover { color: #fff; }

.hero { background: radial-gradient(1100px 500px at 85% 10%, #123744 0%, transparent 60%), var(--tinta); color: #D6E1E5; position: relative; padding: 4.5rem 0 7rem; overflow: hidden; }
.hero-grade { display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center; }
.hero h1 { color: #fff; font-size: clamp(2.2rem, 5.2vw, 3.6rem); font-weight: 800; }
.selo { display: inline-block; margin: 0 0 1rem; padding: .3rem .8rem; border-radius: 999px; background: rgb(46 196 214 / .14); color: var(--ciano); font-weight: 700; font-size: .85rem; }
.hero-texto { font-size: 1.2rem; max-width: 34rem; margin: 0 0 1.8rem; }
.hero-acoes { display: flex; flex-wrap: wrap; gap: .8rem; }
.hero-nota { font-size: .9rem; color: #93A6AE; margin: 1rem 0 0; }
.onda { position: absolute; left: 0; right: 0; bottom: -1px; width: 100%; height: 70px; fill: var(--fundo); }

.mock { background: #fff; color: var(--texto); border-radius: 18px; box-shadow: 0 30px 80px rgb(0 0 0 / .45); overflow: hidden; transform: rotate(1.5deg); max-width: 400px; justify-self: end; width: 100%; }
.mock-barra { display: flex; gap: 6px; padding: 12px 14px; background: var(--fundo-2); border-bottom: 1px solid var(--linha); }
.mock-barra span { width: 10px; height: 10px; border-radius: 50%; background: #C8D3D7; }
.mock-corpo { padding: 1.3rem 1.4rem 1.5rem; }
.mock-titulo { font-weight: 800; color: var(--tinta); font-size: 1.15rem; margin: 0 0 .8rem; }
.mock-linha, .mock-total { display: flex; justify-content: space-between; gap: 1rem; padding: .55rem 0; border-bottom: 1px solid var(--linha); font-size: .92rem; }
.mock-linha span { color: var(--apagado); }
.mock-total { border-bottom: 0; font-size: 1.05rem; padding-top: .9rem; }
.mock-total strong { color: var(--tinta); }
.mock-botao { margin-top: .9rem; text-align: center; background: var(--tinta); color: #fff; font-weight: 700; padding: .75rem; border-radius: 10px; }

.secao { padding: 4.5rem 0; }
.secao-texto { color: var(--apagado); font-size: 1.1rem; max-width: 40rem; margin: 0 0 2.2rem; }
.recursos { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.recurso { background: var(--fundo-2); border: 1px solid var(--linha); border-radius: var(--raio); padding: 1.3rem 1.3rem 1.1rem; position: relative; }
.recurso::before { content: ""; display: block; width: 34px; height: 6px; border-radius: 3px; background: var(--ciano); margin-bottom: 1rem; }
.recurso p { margin: 0; color: var(--apagado); font-size: .97rem; }

.como { padding-top: 1rem; }
.passos { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; counter-reset: passo; }
.passos li { counter-increment: passo; border-top: 3px solid var(--tinta); padding-top: 1rem; display: grid; gap: .3rem; }
.passos li::before { content: counter(passo); font-weight: 800; font-size: 2rem; color: var(--azul); line-height: 1; }
.passos strong { font-size: 1.15rem; color: var(--tinta); }
.passos span { color: var(--apagado); }

.preco { background: var(--tinta); color: #D6E1E5; padding: 3.5rem 0; margin-top: 2rem; }
.preco h2 { color: #fff; }
.preco p { margin: 0; font-size: 1.1rem; max-width: 38rem; }
.preco-grade { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }

.contato { display: grid; grid-template-columns: .8fr 1.2fr; gap: 3rem; align-items: start; }
.formulario { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; background: var(--fundo-2); border: 1px solid var(--linha); border-radius: var(--raio); padding: 1.5rem; }
.formulario label { display: grid; gap: .35rem; font-weight: 600; font-size: .95rem; color: var(--tinta); }
.formulario .largo { grid-column: 1 / -1; }
.opcional { font-weight: 400; color: var(--apagado); }
.formulario input, .formulario textarea { font: inherit; font-weight: 400; padding: .75rem .85rem; border: 1px solid #C7D3D8; border-radius: 10px; background: #fff; color: var(--texto); width: 100%; min-height: 48px; }
.formulario textarea { resize: vertical; }
.isca { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.aviso { padding: 1rem 1.2rem; border-radius: 10px; background: #FCEDEC; color: #8A2219; margin: 0 0 1rem; }
.aviso-ok { background: #E6F5EC; color: #1C5E36; font-weight: 600; }

.rodape { background: var(--tinta); color: #93A6AE; padding: 2rem 0; font-size: .92rem; }
.rodape-grade { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.rodape-grade span { flex: 1; }
.rodape a { color: #C9D5DA; }

@media (max-width: 960px) {
  .hero-grade, .contato { grid-template-columns: 1fr; }
  .mock { justify-self: start; transform: none; }
  .recursos { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .topo nav a:not(.btn) { display: none; }
  .hero { padding: 3rem 0 5.5rem; }
  .recursos, .passos, .formulario { grid-template-columns: 1fr; }
  .hero-acoes .btn { flex: 1 1 100%; }
}