/* ============================================================
   Payoff Marketing — Agência de Tráfego Pago | style.css
   Estrutura: Reset → Variáveis → Tipografia → Layout →
              Navbar → Hero → Cards → Formulário → Footer →
              Utilitários → Media Queries
   ============================================================ */

/* ── 1. Reset & Box-Sizing ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ── 2. Variáveis de design ── */
:root {
  --cor-fundo:        #0d1117;
  --cor-superficie:   #161b22;
  --cor-borda:        #21262d;
  --cor-primaria:     #3b82f6;   /* azul elétrico */
  --cor-primaria-hover: #2563eb;
  --cor-acento:       #60a5fa;
  --cor-texto:        #e6edf3;
  --cor-texto-muted:  #8b949e;
  --cor-erro:         #f85149;
  --cor-sucesso:      #3fb950;
  --fonte-base:       'Inter', system-ui, -apple-system, sans-serif;
  --raio:             8px;
  --sombra:           0 4px 24px rgba(0,0,0,.45);
  --transicao:        .2s ease;
  --max-largura:      1100px;
}

/* ── 3. Base ── */
html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--fonte-base);
  background-color: var(--cor-fundo);
  color: var(--cor-texto);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

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

a {
  color: var(--cor-primaria);
  text-decoration: none;
  transition: color var(--transicao);
}
a:hover { color: var(--cor-acento); }

/* ── 4. Tipografia ── */
h1, h2, h3, h4 {
  line-height: 1.25;
  font-weight: 700;
  color: var(--cor-texto);
}
h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
h3 { font-size: 1.25rem; }

p { color: var(--cor-texto-muted); }

/* ── 5. Container ── */
.container {
  width: 100%;
  max-width: var(--max-largura);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* ── 6. Secção genérica ── */
.section {
  padding-block: 5rem;
}
.section--alt {
  background-color: var(--cor-superficie);
}
.section__header {
  text-align: center;
  margin-bottom: 3rem;
}
.section__header p {
  max-width: 52ch;
  margin-inline: auto;
  margin-top: .75rem;
}

/* ── 7. Navbar ── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13,17,23,.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--cor-borda);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

/* Logo */
.navbar__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.navbar__logo img {
  height: 69px;
  width: auto;
  display: block;
}
/* fallback — se o img falhar, preserva o texto */
.navbar__logo span { color: var(--cor-primaria); }

/* Menu desktop */
.navbar__menu {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.navbar__menu a {
  font-size: .9375rem;
  font-weight: 500;
  color: var(--cor-texto-muted);
  padding-block: .25rem;
  border-bottom: 2px solid transparent;
  transition: color var(--transicao), border-color var(--transicao);
}
.navbar__menu a:hover,
.navbar__menu a.active {
  color: var(--cor-texto);
  border-color: var(--cor-primaria);
}

/* CTA no menu */
.navbar__cta {
  font-size: .875rem !important;
  font-weight: 600 !important;
  color: var(--cor-primaria) !important;
  border: 1px solid var(--cor-primaria) !important;
  border-radius: 6px !important;
  padding: .375rem .875rem !important;
  transition: background var(--transicao), color var(--transicao) !important;
}
.navbar__cta:hover {
  background: var(--cor-primaria) !important;
  color: #fff !important;
}

/* Hambúrguer (mobile) */
.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .25rem;
}
.navbar__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--cor-texto);
  border-radius: 2px;
  transition: transform var(--transicao), opacity var(--transicao);
}

/* ── 8. Hero (Home) ── */
.hero {
  padding-block: 7rem 6rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 40% at 50% -10%, rgba(59,130,246,.18) 0%, transparent 70%),
    var(--cor-fundo);
}
.hero__badge {
  display: inline-block;
  background: rgba(59,130,246,.12);
  border: 1px solid rgba(59,130,246,.3);
  color: var(--cor-acento);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .3rem .85rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}
.hero h1 {
  max-width: 18ch;
  margin-inline: auto;
  margin-bottom: 1.25rem;
}
.hero h1 span { color: var(--cor-primaria); }
.hero p {
  max-width: 52ch;
  margin-inline: auto;
  margin-bottom: 2.5rem;
  font-size: 1.0625rem;
}
.hero__ctas {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── 9. Botões ── */
.btn {
  display: inline-block;
  padding: .75rem 1.75rem;
  border-radius: var(--raio);
  font-size: .9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transicao), box-shadow var(--transicao), transform var(--transicao);
  border: none;
  text-align: center;
}
.btn:active { transform: scale(.97); }

.btn--primary {
  background: var(--cor-primaria);
  color: #fff;
  box-shadow: 0 0 0 0 var(--cor-primaria);
}
.btn--primary:hover {
  background: var(--cor-primaria-hover);
  box-shadow: 0 0 18px rgba(59,130,246,.4);
  color: #fff;
}

.btn--ghost {
  background: transparent;
  color: var(--cor-texto);
  border: 1px solid var(--cor-borda);
}
.btn--ghost:hover {
  border-color: var(--cor-texto-muted);
  color: var(--cor-texto);
}

/* ── 10. Cards de serviços ── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--cor-superficie);
  border: 1px solid var(--cor-borda);
  border-radius: 12px;
  padding: 2rem 1.75rem;
  transition: border-color var(--transicao), box-shadow var(--transicao), transform var(--transicao);
}
.card:hover {
  border-color: var(--cor-primaria);
  box-shadow: 0 0 28px rgba(59,130,246,.15);
  transform: translateY(-4px);
}

.card__icon {
  width: 48px;
  height: 48px;
  background: rgba(59,130,246,.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--cor-primaria);
}
.card__icon svg { width: 24px; height: 24px; }

.card h3 { margin-bottom: .5rem; }
.card p  { font-size: .9375rem; }

/* ── 11. Secção de métricas / números ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.5rem;
  text-align: center;
}
.stat__num {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--cor-primaria);
  line-height: 1;
}
.stat__label {
  font-size: .875rem;
  color: var(--cor-texto-muted);
  margin-top: .35rem;
}

/* ── 12. Formulário de Contacto ── */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: start;
}

.contact-info h2 { margin-bottom: 1rem; }
.contact-info p  { margin-bottom: 2rem; }

.contact-info__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.contact-info__list li {
  display: flex;
  align-items: flex-start;
  gap: .875rem;
  font-size: .9375rem;
  color: var(--cor-texto-muted);
}
.contact-info__list .icon {
  width: 36px;
  height: 36px;
  min-width: 36px;
  background: rgba(59,130,246,.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cor-primaria);
}
.contact-info__list .icon svg { width: 18px; height: 18px; }

/* Formulário */
.form {
  background: var(--cor-superficie);
  border: 1px solid var(--cor-borda);
  border-radius: 12px;
  padding: 2.25rem;
}

.form__group {
  margin-bottom: 1.25rem;
}

.form__group label {
  display: block;
  font-size: .875rem;
  font-weight: 600;
  color: var(--cor-texto);
  margin-bottom: .4rem;
}
.form__group label .req {
  color: var(--cor-primaria);
  margin-left: 2px;
}

.form__group input,
.form__group textarea,
.form__group select {
  width: 100%;
  background: var(--cor-fundo);
  border: 1px solid var(--cor-borda);
  border-radius: var(--raio);
  color: var(--cor-texto);
  font-family: var(--fonte-base);
  font-size: .9375rem;
  padding: .65rem .9rem;
  outline: none;
  transition: border-color var(--transicao), box-shadow var(--transicao);
}

.form__group input:focus,
.form__group textarea:focus {
  border-color: var(--cor-primaria);
  box-shadow: 0 0 0 3px rgba(59,130,246,.18);
}

.form__group textarea { resize: vertical; min-height: 130px; }

/* Estados de erro */
.form__group input.is-invalid,
.form__group textarea.is-invalid {
  border-color: var(--cor-erro);
}
.form__error {
  display: none;
  color: var(--cor-erro);
  font-size: .8125rem;
  margin-top: .3rem;
}
.form__error.visible { display: block; }

/* Feedback de sucesso */
.form__feedback {
  display: none;
  background: rgba(63,185,80,.1);
  border: 1px solid var(--cor-sucesso);
  color: var(--cor-sucesso);
  border-radius: var(--raio);
  padding: .85rem 1rem;
  margin-top: 1rem;
  font-size: .9375rem;
}
.form__feedback.visible { display: block; }

/* Botão full-width no form */
.btn--full { width: 100%; }

/* ── 13. Footer ── */
.footer {
  background: var(--cor-superficie);
  border-top: 1px solid var(--cor-borda);
  padding-block: 3.5rem 2rem;
}
.footer__main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}
@media (max-width: 768px) {
  .footer__main { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 480px) {
  .footer__main { grid-template-columns: 1fr; }
}
.footer__logo {
  margin-bottom: .75rem;
}
.footer__logo img {
  height: 75px;
  width: auto;
  display: block;
}
.footer__logo span { color: var(--cor-primaria); }
.footer__brand p {
  font-size: .875rem;
  color: var(--cor-texto-muted);
  line-height: 1.7;
  max-width: 36ch;
  margin: 0;
}
.footer__nav-title {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--cor-texto-muted);
  margin-bottom: 1rem;
}
.footer__nav ul,
.footer__contact ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .6rem;
}
.footer__nav ul a,
.footer__contact ul a {
  font-size: .875rem;
  color: var(--cor-texto-muted);
  text-decoration: none;
  transition: color var(--transicao);
}
.footer__nav ul a:hover,
.footer__contact ul a:hover { color: var(--cor-primaria); }
.footer__contact ul li {
  font-size: .875rem;
  color: var(--cor-texto-muted);
  line-height: 1.5;
}
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: .75rem;
  border-top: 1px solid var(--cor-borda);
  padding-top: 1.5rem;
}
.footer__copy {
  font-size: .8125rem;
  color: var(--cor-texto-muted);
}
.footer__privacy {
  font-size: .8125rem;
  color: var(--cor-texto-muted);
  text-decoration: none;
  transition: color var(--transicao);
}
.footer__privacy:hover { color: var(--cor-primaria); }

/* ── 14. Página de Serviços — hero pequeno ── */
.page-hero {
  padding-block: 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 60% 50% at 50% -5%, rgba(59,130,246,.15) 0%, transparent 70%),
    var(--cor-fundo);
  border-bottom: 1px solid var(--cor-borda);
}
.page-hero p {
  max-width: 55ch;
  margin-inline: auto;
  margin-top: .75rem;
}

/* ── 15. Processo (passos) ── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  counter-reset: step;
}
.step {
  background: var(--cor-superficie);
  border: 1px solid var(--cor-borda);
  border-radius: 12px;
  padding: 1.75rem;
  position: relative;
  counter-increment: step;
}
.step::before {
  content: counter(step, decimal-leading-zero);
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(59,130,246,.15);
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  line-height: 1;
}
.step h3 { margin-bottom: .5rem; }
.step p   { font-size: .9375rem; }

/* ── 15b. Dropdown de navegação ── */
.navbar__dropdown {
  position: relative;
}

.navbar__dropdown-toggle {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  font-family: var(--fonte-base);
  font-size: .9375rem;
  font-weight: 500;
  color: var(--cor-texto-muted);
  cursor: pointer;
  padding-block: .25rem;
  display: flex;
  align-items: center;
  gap: .3rem;
  transition: color var(--transicao), border-color var(--transicao);
}
.navbar__dropdown-toggle:hover,
.navbar__dropdown-toggle.active {
  color: var(--cor-texto);
  border-color: var(--cor-primaria);
}
.navbar__dropdown-toggle .chevron {
  font-size: .7rem;
  transition: transform var(--transicao);
  display: inline-block;
  line-height: 1;
}
.navbar__dropdown.open .navbar__dropdown-toggle .chevron {
  transform: rotate(180deg);
}

.navbar__dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--cor-superficie);
  border: 1px solid var(--cor-borda);
  border-radius: 10px;
  min-width: 230px;
  padding: .5rem;
  list-style: none;
  box-shadow: var(--sombra);
  z-index: 200;
  /* Entrada suave */
  opacity: 0;
  translate: 0 -6px;
  transition: opacity .15s ease, translate .15s ease;
  pointer-events: none;
}
.navbar__dropdown.open .navbar__dropdown-menu {
  display: block;
  opacity: 1;
  translate: 0 0;
  pointer-events: auto;
}

/* Separador após "Todos os Serviços" */
.navbar__dropdown-menu > li:first-child {
  border-bottom: 1px solid var(--cor-borda);
  padding-bottom: .35rem;
  margin-bottom: .35rem;
}
.navbar__dropdown-menu a {
  display: block;
  padding: .55rem .875rem;
  border-radius: 6px;
  font-size: .875rem;
  color: var(--cor-texto-muted);
  font-weight: 500;
  border-bottom: none !important;
  transition: background var(--transicao), color var(--transicao);
}
.navbar__dropdown-menu a:hover {
  background: rgba(59,130,246,.09);
  color: var(--cor-texto);
}
.navbar__dropdown-menu > li:first-child a {
  color: var(--cor-primaria);
  font-weight: 600;
}

/* ── 16. Media Queries ── */
@media (max-width: 768px) {
  /* Navbar mobile */
  .navbar__toggle  { display: flex; }
  .navbar__menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(13,17,23,.97);
    border-bottom: 1px solid var(--cor-borda);
    padding: 1.5rem 1.25rem;
    gap: 1.25rem;
  }
  .navbar__menu.open { display: flex; }
  .navbar__menu a { font-size: 1rem; }

  /* Dropdown mobile — expande inline */
  .navbar__dropdown-menu {
    position: static;
    transform: none;
    translate: 0 !important;
    box-shadow: none;
    border: none;
    border-left: 2px solid var(--cor-primaria);
    border-radius: 0;
    background: transparent;
    padding: .25rem 0 .25rem .75rem;
    margin-top: .5rem;
    opacity: 1 !important;
    pointer-events: auto !important;
  }
  .navbar__dropdown-menu > li:first-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: .15rem;
  }
  .navbar__dropdown-menu a {
    padding: .4rem .5rem;
    font-size: .9375rem;
  }
  .navbar__dropdown-toggle { font-size: 1rem; }

  /* Navbar posicionar filhos */
  .navbar__inner { position: relative; }

  /* Contact wrap: stack */
  .contact-wrap {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 480px) {
  .hero { padding-block: 5rem 4rem; }
  .section { padding-block: 3.5rem; }
  .hero__ctas { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 320px; }
}