/* fontes */
@font-face {
  font-family: "Albert Sans";
  src: url("../fonts/AlbertSans-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("../fonts/Inter-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

/* cores */
:root {
  --bege: #EDE8D5;
  --verde: #02FC9B;
  --branco: #FFFFFF;
  --amarelo: #F7AC06;
  --preto: #000000;
  --preto-20: rgba(0, 0, 0, .2);
  --cinza-claro: #C7C7C7;
  --ciano: #10EFFF;
  --cinza-2f: #2F2F2F;
  --cinza-0b: #0B0B0B;
  --verde-escuro: #0C3626;
  --cinza-6e: #6E6E6E;
  --cinza-27: #272727;
  --cinza-5b: #5B5B5B;

  --grad-verde: linear-gradient(90deg, #00FF95 0%, #3FFFAF 100%);
  --grad-preto: linear-gradient(180deg, #000000 0%, rgba(0, 0, 0, 0) 100%);
  --grad-ciano: linear-gradient(90deg, #10EFFF 0%, #46F3FF 100%);
  --grad-amarelo: linear-gradient(90deg, #F7AC06 0%, #FFCA55 100%);

  --font-titulo: "Albert Sans", system-ui, sans-serif;
  --font-texto: "Inter", system-ui, sans-serif;

  --container: 1140px;
  --gutter: 24px;
}

/* reset */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--cinza-0b);
  color: var(--branco);
  font-family: var(--font-texto);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

h1,
h2,
h3,
p {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.txt-verde {
  color: var(--verde);
}

.txt-ciano {
  color: var(--ciano);
}

.txt-amarelo {
  color: var(--amarelo);
}

/* logo */
.logo img {
  width: 140px;
}

/* botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 20px;
  border: 0;
  border-radius: 2px;
  font-family: var(--font-titulo);
  font-weight: 700;
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: .02em;
  color: var(--preto);
  cursor: pointer;
  transition: transform .2s, box-shadow .2s, filter .2s;
}

.btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
}

.btn-verde {
  background: var(--grad-verde);
  box-shadow: 0 0 16px rgba(2, 252, 155, .35);
}

.btn-ciano {
  background: var(--grad-ciano);
  box-shadow: 0 0 16px rgba(16, 239, 255, .35);
}

.btn-amarelo {
  background: var(--grad-amarelo);
  box-shadow: 0 0 16px rgba(247, 172, 6, .35);
}

/* cards de pacote */
.pacotes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.pacote {
  position: relative;
  display: block;
  padding: 28px 20px 24px;
  background: var(--preto);
  border: 1px solid var(--cinza-2f);
  border-radius: 4px;
  cursor: pointer;
  transition: border-color .2s, box-shadow .2s;
}

.pacote:hover {
  border-color: var(--cinza-5b);
}

.pacote input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.pacote-radio {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 20px;
  height: 20px;
  border: 1px solid var(--cinza-5b);
  border-radius: 50%;
  background: var(--cinza-27);
}

.pacote.is-ativo,
.pacote:has(input:checked) {
  border-color: var(--verde);
  box-shadow: 0 0 18px rgba(2, 252, 155, .35);
}

.pacote.is-ativo .pacote-radio,
.pacote:has(input:checked) .pacote-radio {
  border-color: var(--verde);
  background: var(--verde-escuro);
  box-shadow: inset 0 0 0 3px var(--verde-escuro), inset 0 0 0 10px var(--verde);
}

.pacote input:focus-visible ~ .pacote-radio {
  outline: 2px solid var(--verde);
  outline-offset: 3px;
}

.pacote-selo {
  position: absolute;
  top: -10px;
  left: 20px;
  padding: 2px 8px;
  background: var(--verde);
  color: var(--preto);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.pacote-nome {
  font-family: var(--font-titulo);
  font-size: 18px;
  font-weight: 700;
  text-transform: uppercase;
}

.pacote-desc {
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.35;
  color: var(--cinza-claro);
}

.pacote-preco {
  margin: 20px 0 20px;
  font-family: var(--font-titulo);
  font-size: 30px;
  font-weight: 700;
  color: var(--verde);
  white-space: nowrap;
}

.pacote-preco small {
  font-size: 28px;
  font-weight: 200;
  color: var(--cinza-claro);
}

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

.lista-check li {
  position: relative;
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.35;
  color: var(--cinza-claro);
}

.lista-check li + li {
  margin-top: 12px;
}

.lista-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  width: 11px;
  height: 8px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 11 8'%3E%3Cpath d='M1 4l3 3 6-6' fill='none' stroke='%2302FC9B' stroke-width='2'/%3E%3C/svg%3E") no-repeat center / contain;
}

/* menu fixo (aparece ao rolar) */
[id] {
  scroll-margin-top: 88px;
}

.barra-fixa {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(11, 11, 11, .92);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--cinza-2f);
  transform: translateY(-100%);
  visibility: hidden;
  transition: transform .28s ease, visibility 0s linear .28s;
}

.barra-fixa[data-visivel] {
  transform: translateY(0);
  visibility: visible;
  transition: transform .28s ease, visibility 0s;
}

.barra-fixa .container {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 64px;
}

.barra-fixa .logo img {
  width: 110px;
}

.barra-fixa-nav {
  display: flex;
  gap: 28px;
  margin-left: auto;
  font-size: 14px;
}

.barra-fixa-nav a {
  color: var(--cinza-claro);
  transition: color .18s;
}

.barra-fixa-nav a:hover {
  color: var(--verde);
}

.barra-fixa .btn {
  padding: 8px 16px;
  font-size: 13px;
}

/* menu hambúrguer (mobile) */
.barra-fixa-burger {
  display: none;
  position: relative;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  padding: 0;
  background: none;
  border: 1px solid var(--cinza-2f);
  border-radius: 2px;
  cursor: pointer;
}

.barra-fixa-burger span,
.barra-fixa-burger span::before,
.barra-fixa-burger span::after {
  position: absolute;
  left: 50%;
  width: 18px;
  height: 2px;
  margin-left: -9px;
  background: var(--branco);
  transition: transform .2s, background .2s;
}

.barra-fixa-burger span {
  top: 50%;
  margin-top: -1px;
}

.barra-fixa-burger span::before,
.barra-fixa-burger span::after {
  content: "";
  left: 0;
  margin-left: 0;
}

.barra-fixa-burger span::before {
  top: -6px;
}

.barra-fixa-burger span::after {
  top: 6px;
}

.barra-fixa[data-menu-aberto] .barra-fixa-burger span {
  background: transparent;
}

.barra-fixa[data-menu-aberto] .barra-fixa-burger span::before {
  transform: translateY(6px) rotate(45deg);
}

.barra-fixa[data-menu-aberto] .barra-fixa-burger span::after {
  transform: translateY(-6px) rotate(-45deg);
}

.barra-fixa-burger:focus-visible {
  outline: 2px solid var(--verde);
  outline-offset: 2px;
}

/* botão flutuante "voltar ao topo" (aparece junto com o menu fixo) */
.voltar-topo {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  width: 48px;
  height: 48px;
  padding: 0;
  background: rgba(0, 0, 0, .85);
  border: 1px solid var(--verde);
  border-radius: 50%;
  box-shadow: 0 0 14px rgba(2, 252, 155, .35);
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  visibility: hidden;
  transition: opacity .25s, transform .25s, visibility 0s linear .25s;
}

.voltar-topo::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 12px;
  border: solid var(--verde);
  border-width: 2px 2px 0 0;
  transform: translate(-50%, -25%) rotate(-45deg);
}

.voltar-topo[data-visivel] {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
  transition: opacity .25s, transform .25s, visibility 0s;
}

.voltar-topo:hover {
  background: var(--verde-escuro);
}

.voltar-topo:focus-visible {
  outline: 2px solid var(--verde);
  outline-offset: 3px;
}

/* footer */
.footer {
  padding: 48px 0;
  background: var(--preto);
}

.footer .container {
  display: flex;
  align-items: center;
  gap: 40px;
}

.footer-texto {
  max-width: 280px;
  font-size: 10px;
  font-weight: 700;
  line-height: 1.6;
}

.footer-sociais {
  display: flex;
  gap: 8px;
  margin-left: auto;
}

.footer-sociais img {
  width: 22px;
  height: 22px;
  transition: opacity .2s;
}

.footer-sociais a:hover img {
  opacity: .7;
}

@media (max-width: 1024px) {
  .pacotes {
    gap: 16px;
  }

  .pacote-preco,
  .pacote-preco small {
    font-size: 24px;
  }
}

@media (max-width: 768px) {
  :root {
    --gutter: 16px;
  }

  .pacotes {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .barra-fixa .container {
    gap: 12px;
  }

  .barra-fixa .btn {
    margin-left: auto;
    padding: 8px 12px;
    font-size: 12px;
  }

  .barra-fixa-burger {
    display: block;
  }

  .barra-fixa-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    margin: 0;
    padding: 8px var(--gutter) 16px;
    background: rgba(11, 11, 11, .97);
    border-bottom: 1px solid var(--cinza-2f);
    font-size: 16px;
    opacity: 0;
    transform: translateY(-8px);
    visibility: hidden;
    transition: opacity .2s, transform .2s, visibility 0s linear .2s;
  }

  .barra-fixa[data-menu-aberto] .barra-fixa-nav {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
    transition: opacity .2s, transform .2s, visibility 0s;
  }

  .barra-fixa-nav a {
    padding: 14px 0;
    color: var(--branco);
  }

  .barra-fixa-nav a + a {
    border-top: 1px solid var(--cinza-27);
  }

  .voltar-topo {
    right: 16px;
    bottom: 16px;
    width: 44px;
    height: 44px;
  }

  .footer .container {
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }

  .footer-sociais {
    margin-left: 0;
  }
}