/* ===========================================================
   Set3 — Produtora Audiovisual
   Design system a partir de identidade/design-guide.md
   =========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Anton&family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --preto-absoluto: #000000;
  --vermelho-impacto: #FE0000;
  --branco-titanium: #FFFFFF;
  --cinza-card: #111111;
  --cinza-borda: #2a2a2a;
  --cinza-texto: #b3b3b3;

  --font-display: 'Anton', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --container: 1160px;
  --radius: 0px; /* marca é angular, sem arredondamento */
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--preto-absoluto);
  color: var(--branco-titanium);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  line-height: 1.15;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--vermelho-impacto);
  margin-bottom: 12px;
}

.section {
  padding: 96px 0;
  border-top: 1px solid var(--cinza-borda);
}

.section-alt {
  background: var(--cinza-card);
}

.section-head {
  max-width: 640px;
  margin-bottom: 56px;
}

.section-head p {
  color: var(--cinza-texto);
  font-size: 1.05rem;
  margin-top: 16px;
}

/* ---------- Botões ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border: 2px solid transparent;
  transition: all 0.2s ease;
  cursor: pointer;
}

.btn-primary {
  background: var(--vermelho-impacto);
  color: var(--branco-titanium);
  border-color: var(--vermelho-impacto);
}

.btn-primary:hover {
  background: transparent;
  color: var(--vermelho-impacto);
}

.btn-outline {
  background: transparent;
  color: var(--branco-titanium);
  border-color: var(--branco-titanium);
}

.btn-outline:hover {
  background: var(--branco-titanium);
  color: var(--preto-absoluto);
}

/* ---------- Header ---------- */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--cinza-borda);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.logo img {
  height: 52px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-links a {
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--vermelho-impacto);
  transition: width 0.2s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 24px;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--branco-titanium);
  margin: 6px 0;
  transition: 0.2s ease;
}

/* ---------- Hero ---------- */

.hero {
  padding: 56px 0 64px;
  position: relative;
}

.hero h1 {
  font-size: clamp(2.6rem, 7vw, 5.5rem);
  max-width: 950px;
  margin-bottom: 28px;
}

.hero h1 span {
  color: var(--vermelho-impacto);
}

.hero p {
  color: var(--cinza-texto);
  font-size: 1.2rem;
  max-width: 680px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---------- Cards de serviço ---------- */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.card {
  background: var(--cinza-card);
  border: 1px solid var(--cinza-borda);
  padding: 40px 32px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: var(--vermelho-impacto);
  transform: translateY(-4px);
}

.card .num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--vermelho-impacto);
  margin-bottom: 20px;
}

.card h3 {
  font-size: 1.15rem;
  margin-bottom: 14px;
}

.card p {
  color: var(--cinza-texto);
  font-size: 0.98rem;
}

.check-list {
  margin-top: 20px;
}

.check-list li {
  padding-left: 22px;
  position: relative;
  color: var(--branco-titanium);
  font-size: 0.92rem;
  margin-bottom: 10px;
}

.check-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 8px;
  height: 8px;
  background: var(--vermelho-impacto);
}

/* ---------- Manifesto / Sobre ---------- */

.manifesto {
  text-align: center;
  max-width: 780px;
  margin: 0 auto;
}

.manifesto h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 28px;
}

.manifesto p {
  color: var(--cinza-texto);
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.manifesto strong {
  color: var(--branco-titanium);
}

/* ---------- Portfólio ---------- */

.instagram-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.instagram-embed-wrap {
  border: 1px solid var(--cinza-borda);
  background: var(--cinza-card);
  padding: 8px;
}

.portfolio-placeholder {
  border: 1px dashed var(--cinza-borda);
  padding: 64px 32px;
  text-align: center;
  color: var(--cinza-texto);
}

.portfolio-placeholder strong {
  display: block;
  color: var(--branco-titanium);
  font-size: 1.2rem;
  margin-bottom: 12px;
}

/* ---------- Contato ---------- */

.contact-channels {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 780px;
  margin: 56px auto 0;
}

.channel-card {
  background: var(--cinza-card);
  border: 1px solid var(--cinza-borda);
  padding: 48px 32px;
  text-align: center;
  transition: border-color 0.2s ease;
}

.channel-card:hover {
  border-color: var(--vermelho-impacto);
}

.channel-card .icon {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--vermelho-impacto);
  margin-bottom: 16px;
}

.channel-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.channel-card p {
  color: var(--cinza-texto);
  margin-bottom: 24px;
  font-size: 0.95rem;
}

/* ---------- Footer ---------- */

.footer {
  border-top: 1px solid var(--cinza-borda);
  padding: 56px 0 32px;
}

.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 32px;
}

.footer-logo img {
  height: 40px;
  margin-bottom: 16px;
}

.footer-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--cinza-texto);
  margin-bottom: 16px;
}

.footer-col a,
.footer-col p {
  display: block;
  color: var(--branco-titanium);
  margin-bottom: 10px;
  font-size: 0.95rem;
}

.footer-col a:hover {
  color: var(--vermelho-impacto);
}

.footer-bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--cinza-borda);
  color: var(--cinza-texto);
  font-size: 0.85rem;
  text-align: center;
}

.footer-credit a {
  color: var(--cinza-texto);
  text-decoration: underline;
}

.footer-credit a:hover {
  color: var(--vermelho-impacto);
}

/* ---------- WhatsApp float ---------- */

.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 200;
  background: var(--vermelho-impacto);
  color: var(--branco-titanium);
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 4px 18px rgba(254, 0, 0, 0.35);
  transition: transform 0.2s ease;
}

.whatsapp-float:hover {
  transform: scale(1.08);
}

/* ---------- Responsivo ---------- */

@media (max-width: 900px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }

  .contact-channels {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .nav-links,
  .nav-cta .btn {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .header.nav-open .nav-links {
    display: flex;
    position: absolute;
    top: 84px;
    left: 0;
    right: 0;
    background: var(--preto-absoluto);
    flex-direction: column;
    padding: 24px;
    gap: 24px;
    border-bottom: 1px solid var(--cinza-borda);
  }

  .footer .container {
    flex-direction: column;
  }
}