/* ==========================================================================
   CORTUX — landing page
   Identidade: laranja REXFORT #F47A1F sobre base grafite/chumbo.
   Tipografia: Oswald (títulos) + Inter (texto corrido).
   ========================================================================== */

:root {
  --laranja: #F47A1F;
  --laranja-claro: #FF9440;
  --laranja-escuro: #D8620C;

  --grafite: #363C43;
  --preto: #14171A;
  --preto-2: #1A1D21;
  --preto-3: #202429;

  --branco: #FFFFFF;
  --cinza-txt: #B9C0C7;
  --cinza-fraco: #838C95;
  --linha: rgba(255, 255, 255, .10);

  --wrap: 1180px;
  --raio: 4px;
  --transicao: 180ms ease;
}

/* --------------------------------------------------------------- reset --- */

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--preto);
  color: var(--cinza-txt);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--laranja); text-decoration: none; }
a:hover { color: var(--laranja-claro); }

h1, h2, h3 {
  font-family: "Oswald", "Inter", sans-serif;
  color: var(--branco);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: .01em;
  margin: 0;
}

:focus-visible {
  outline: 2px solid var(--laranja);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--laranja);
  color: #14171A;
  padding: 10px 16px;
  font-weight: 600;
}
.skip-link:focus { left: 8px; top: 8px; color: #14171A; }

/* ------------------------------------------------------------- layout --- */

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 24px;
}

.narrow { max-width: 780px; }

.section { padding: 96px 0; }
.section--alt { background: var(--preto-2); }

/* o header é sticky: afasta a âncora para o título não ficar embaixo dele */
[id] { scroll-margin-top: 88px; }

.eyebrow {
  font-family: "Oswald", sans-serif;
  text-transform: uppercase;
  letter-spacing: .22em;
  font-size: 13px;
  color: var(--laranja);
  margin: 0 0 14px;
}

.h2 {
  font-size: clamp(30px, 4vw, 46px);
  text-transform: lowercase;
  margin-bottom: 20px;
}

.h3 {
  font-size: 22px;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 16px;
}

.lead { font-size: 18px; margin: 0 0 18px; max-width: 62ch; }
.lead strong { color: var(--branco); }

.accent { color: var(--laranja); }

/* ------------------------------------------------------------ botões --- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: "Oswald", sans-serif;
  font-size: 15px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .1em;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: var(--raio);
  cursor: pointer;
  transition: background var(--transicao), color var(--transicao),
              border-color var(--transicao), transform var(--transicao);
}
.btn:active { transform: translateY(1px); }

.btn--solid {
  background: var(--laranja);
  color: #14171A;
}
.btn--solid:hover { background: var(--laranja-claro); color: #14171A; }

.btn--ghost {
  background: transparent;
  color: var(--branco);
  border-color: rgba(255, 255, 255, .28);
}
.btn--ghost:hover {
  color: var(--branco);
  border-color: var(--laranja);
  background: rgba(244, 122, 31, .10);
}

.btn--lg { padding: 15px 30px; font-size: 16px; }
.btn--block { width: 100%; }

.ico { width: 13px; height: 13px; fill: currentColor; }

/* ------------------------------------------------------------ topbar --- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(20, 23, 26, .88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--linha);
}

.topbar__inner {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 72px;
}

/* A arte oficial é o lockup CORTUX + REXFORT. No header ele fica pequeno demais
   para o "REXFORT" ser legível, então mostramos só a parte CORTUX (73% da largura)
   recortando por overflow. O lockup completo aparece no rodapé. */
.topbar__logo {
  display: block;
  width: 150px;
  flex: 0 0 auto;   /* não pode encolher, senão o "X" do logo é cortado */
  overflow: hidden;
  line-height: 0;
}
.topbar__logo img {
  width: 208px;
  max-width: none;
  height: auto;
}

.nav {
  display: flex;
  gap: 26px;
  margin-left: auto;
}
.nav a {
  font-family: "Oswald", sans-serif;
  text-transform: uppercase;
  letter-spacing: .09em;
  font-size: 14px;
  color: var(--cinza-txt);
}
.nav a:hover { color: var(--branco); }

.topbar__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--linha);
  border-radius: var(--raio);
  cursor: pointer;
}
.burger span {
  display: block;
  width: 18px;
  height: 2px;
  margin-inline: auto;
  background: var(--branco);
}

/* display:flex venceria o atributo [hidden]; por isso o padrão é none */
.menu-mobile {
  display: none;
  flex-direction: column;
  border-top: 1px solid var(--linha);
  background: var(--preto-2);
}
.menu-mobile:not([hidden]) { display: flex; }
.menu-mobile a {
  padding: 15px 24px;
  border-bottom: 1px solid var(--linha);
  color: var(--cinza-txt);
  font-family: "Oswald", sans-serif;
  text-transform: uppercase;
  letter-spacing: .09em;
  font-size: 15px;
}
.menu-mobile__sys { color: var(--laranja) !important; }

.menu-mobile__cta {
  background: var(--laranja);
  color: #14171A !important;
  border-bottom: 0;
  text-align: center;
}

/* --------------------------------------------------------------- hero --- */

.hero {
  position: relative;
  padding: 84px 0 64px;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(20,23,26,.55) 0%, rgba(20,23,26,.88) 72%, var(--preto) 100%),
    url("../img/fundo-grid.jpg") center / cover no-repeat;
  z-index: 0;
}

.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 48px;
  align-items: center;
}

.hero__title {
  font-size: clamp(46px, 7.4vw, 88px);
  text-transform: lowercase;
  margin-bottom: 22px;
}

.hero__sub {
  font-size: 19px;
  max-width: 52ch;
  margin: 0 0 30px;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 18px;
}

.hero__note { font-size: 15px; color: var(--cinza-fraco); margin: 0; }

.hero__art img {
  width: 100%;
  filter: drop-shadow(0 30px 60px rgba(0, 0, 0, .6));
}

.tagline {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  list-style: none;
  margin: 64px 0 0;
  padding: 30px 0 0;
  border-top: 1px solid var(--linha);
  font-size: 15px;
}
.tagline strong {
  display: block;
  font-family: "Oswald", sans-serif;
  color: var(--laranja);
  letter-spacing: .12em;
  font-size: 15px;
  margin-bottom: 6px;
}

/* ----------------------------------------------------------- problema --- */

.section--problema { background: var(--preto-2); }

/* ------------------------------------------------------------- passos --- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  counter-reset: none;
}

.step {
  position: relative;
  padding: 28px 26px 30px;
  background: var(--preto-2);
  border: 1px solid var(--linha);
  border-top: 2px solid var(--laranja);
  border-radius: var(--raio);
}
.step p { margin: 0; font-size: 16px; }

.step__n {
  font-family: "Oswald", sans-serif;
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--laranja);
}

.step__t {
  font-size: 22px;
  text-transform: uppercase;
  letter-spacing: .04em;
  margin: 8px 0 10px;
}

/* ---------------------------------------------------------- benefícios --- */

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.card {
  padding: 30px 26px;
  background: var(--preto);
  border: 1px solid var(--linha);
  border-radius: var(--raio);
  transition: border-color var(--transicao);
}
.card:hover { border-color: rgba(244, 122, 31, .55); }
.card p { margin: 0; font-size: 16px; }

.card__t {
  font-size: 24px;
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 12px;
}

.entregas { margin-top: 64px; }

.checklist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 30px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 16px;
}
.checklist li {
  position: relative;
  padding-left: 26px;
}
.checklist li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .62em;
  width: 9px;
  height: 9px;
  background: var(--laranja);
  transform: rotate(45deg);
}

.pill {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 8px;
  font-family: "Oswald", sans-serif;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--laranja);
  border: 1px solid rgba(244, 122, 31, .5);
  border-radius: 999px;
}

/* --------------------------------------------------------------- priux --- */

.priux__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.priux__art img {
  border: 1px solid var(--linha);
  border-radius: var(--raio);
}

/* -------------------------------------------------------------- planos --- */

.planos {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.plano {
  position: relative;
  padding: 34px 30px 32px;
  background: var(--preto);
  border: 1px solid var(--linha);
  border-radius: var(--raio);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.plano--destaque {
  border-color: rgba(244, 122, 31, .55);
  box-shadow: 0 0 0 1px rgba(244, 122, 31, .18), 0 24px 60px rgba(0, 0, 0, .45);
}

.plano__tag {
  position: absolute;
  top: -12px;
  left: 30px;
  padding: 4px 12px;
  background: var(--laranja);
  color: #14171A;
  font-family: "Oswald", sans-serif;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  border-radius: 999px;
}

.plano__nome {
  font-size: 26px;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.plano__preco {
  font-family: "Oswald", sans-serif;
  font-size: 54px;
  line-height: 1;
  color: var(--branco);
  margin: 0;
}
.plano__preco .cifra { font-size: 24px; margin-right: 4px; color: var(--cinza-fraco); }
.plano__preco .mes { font-size: 17px; color: var(--cinza-fraco); margin-left: 4px; }

.plano .checklist { grid-template-columns: 1fr; }
.plano .btn { margin-top: auto; }

/* ---------------------------------------------------------- formulário --- */

.section--form {
  background:
    linear-gradient(180deg, var(--preto) 0%, rgba(20,23,26,.90) 100%),
    url("../img/fundo-grid.jpg") center / cover no-repeat;
}

.form__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.form__ja { font-size: 15px; color: var(--cinza-fraco); }

.form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 34px 32px;
  background: var(--preto-2);
  border: 1px solid var(--linha);
  border-top: 2px solid var(--laranja);
  border-radius: var(--raio);
}

.field { display: flex; flex-direction: column; gap: 7px; }

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.field label,
.consent {
  font-family: "Oswald", sans-serif;
  font-size: 14px;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--branco);
}

.req { color: var(--laranja); margin-left: 3px; }

input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: "Inter", sans-serif;
  font-size: 16px;
  color: var(--branco);
  background: var(--preto-3);
  border: 1px solid var(--linha);
  border-radius: var(--raio);
  transition: border-color var(--transicao), background var(--transicao);
}
input::placeholder, textarea::placeholder { color: #6C757E; }

input:focus, select:focus, textarea:focus {
  border-color: var(--laranja);
  background: var(--preto-2);
  outline: none;
}

input[aria-invalid="true"],
select[aria-invalid="true"],
textarea[aria-invalid="true"] { border-color: #E0503A; }

textarea { resize: vertical; min-height: 92px; }

select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--cinza-fraco) 50%),
                    linear-gradient(135deg, var(--cinza-fraco) 50%, transparent 50%);
  background-position: calc(100% - 20px) calc(1em + 2px), calc(100% - 14px) calc(1em + 2px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

.erro {
  margin: 0;
  font-family: "Inter", sans-serif;
  font-size: 13px;
  letter-spacing: 0;
  text-transform: none;
  color: #F08A76;
}

.consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-family: "Inter", sans-serif;
  font-size: 15px;
  letter-spacing: 0;
  text-transform: none;
  color: var(--cinza-txt);
  cursor: pointer;
}
.consent input { margin-top: 4px; accent-color: var(--laranja); width: 16px; height: 16px; }

/* honeypot: escondido de pessoas, visível para robôs de spam */
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form__status {
  margin: 0;
  font-size: 15px;
  min-height: 1.4em;
}
.form__status[data-tipo="ok"] { color: #6FD08C; }
.form__status[data-tipo="erro"] { color: #F08A76; }

/* -------------------------------------------------------------- rodapé --- */

.rodape {
  background: var(--preto-2);
  border-top: 1px solid var(--linha);
  padding-top: 56px;
}

.rodape__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 40px;
}

/* mesmo recorte do header: só a parte CORTUX do lockup oficial */
.rodape__logo {
  display: block;
  width: 172px;
  overflow: hidden;
  line-height: 0;
}
.rodape__logo img { width: 238px; max-width: none; }

.rodape__produto {
  font-family: "Oswald", sans-serif;
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: 12px;
  color: var(--cinza-fraco);
  margin: 12px 0 0;
}
.rodape__produto strong { color: var(--branco); font-weight: 600; }

.rodape__frase {
  font-family: "Oswald", sans-serif;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: 14px;
  color: var(--cinza-fraco);
  margin: 8px 0 0;
}
.rodape__frase strong { color: var(--laranja); }

.rodape__links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}
.rodape__links a {
  color: var(--cinza-txt);
  font-family: "Oswald", sans-serif;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: 14px;
}
.rodape__links a:hover { color: var(--laranja); }

.rodape__base {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  justify-content: space-between;
  padding-block: 22px;
  border-top: 1px solid var(--linha);
  font-size: 14px;
  color: var(--cinza-fraco);
}
.rodape__base p { margin: 0; }

/* ---------------------------------------------------------- responsivo --- */

/* se a pessoa abrir o menu e alargar a janela, ele não pode ficar preso aberto */
@media (min-width: 981px) {
  .menu-mobile:not([hidden]) { display: none; }
}

@media (max-width: 980px) {
  .nav { display: none; }
  .burger { display: flex; }
  /* no mobile o header fica só com logo + menu; os CTAs vivem no menu e no hero */
  .topbar__actions .btn { display: none; }
  .topbar__inner { gap: 16px; }
  .topbar__logo { margin-right: auto; }

  .hero__grid,
  .priux__grid,
  .form__grid { grid-template-columns: 1fr; }

  /* o título vem primeiro no mobile; a arte entra logo abaixo */
  .hero__art { max-width: 460px; margin-inline: auto; }

  .steps, .cards { grid-template-columns: 1fr; }
  .tagline { grid-template-columns: 1fr; gap: 18px; }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .section { padding: 68px 0; }
  .hero { padding-top: 56px; }

  .checklist,
  .planos,
  .field-row { grid-template-columns: 1fr; }

  .form { padding: 26px 20px; }
  .hero__cta .btn { width: 100%; }
}