/* =============================================
   BUG TRAP — CSS Principal
   ============================================= */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Inter:wght@300;400;500;600;700&display=swap');

/* ---- CSS Custom Properties ---- */
:root {
  --color-bg:          #000000;
  --color-bg-alt:      #0a0a0a;
  --color-bg-card:     #111111;
  --color-border:      #222222;
  --color-border-light:#333333;
  --color-text:        #FFFFFF;
  --color-text-muted:  #888888;
  --color-text-dim:    #555555;
  --color-accent:      #E11D48;
  --color-accent-hover:#FB7185;
  --color-white:       #FFFFFF;

  /* B&W high contrast — inspiração Black Sabbath streetwear */
  --color-raw-white:   #F5F5F5;
  --color-raw-black:   #000000;

  --font-title: 'Bebas Neue', 'Arial Black', sans-serif;
  --font-body:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --header-h: 72px;
  --container-w: 1200px;
  --section-py: 120px;
  --radius: 4px;
  --radius-lg: 8px;

  --transition: 0.25s ease;
  --transition-slow: 0.45s ease;
}

/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Scrollbar personalizada */
::-webkit-scrollbar {
  width: 4px;
}
::-webkit-scrollbar-track {
  background: #000;
}
::-webkit-scrollbar-thumb {
  background: #333;
  border-radius: 0;
}
::-webkit-scrollbar-thumb:hover {
  background: #fff;
}

/* Seleção de texto */
::selection {
  background: #fff;
  color: #000;
}
::-moz-selection {
  background: #fff;
  color: #000;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

ul {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* =============================================
   UTILITÁRIOS
   ============================================= */
.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

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

/* =============================================
   ANIMAÇÕES
   ============================================= */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes lineGrow {
  from { width: 0; }
  to   { width: 100%; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}

/* Classes de animação scroll */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* Delays stagger */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* =============================================
   BOTÕES
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: #fff;
  color: #000;
  border: 2px solid #fff;
}

.btn-primary:hover {
  background: transparent;
  color: #fff;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 2px solid #444;
}

.btn-outline:hover {
  background: #fff;
  color: #000;
  border-color: #fff;
  transform: translateY(-2px);
}

.btn-outline-white {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.5);
  padding: 10px 20px;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.btn-outline-white:hover {
  background: #fff;
  color: #000;
  border-color: #fff;
}

/* Botão CTA — preto sobre branco (seção invertida) */
.btn-dark {
  background: #000;
  color: #fff;
  border: 2px solid #000;
  font-size: 1rem;
  padding: 18px 48px;
  letter-spacing: 0.08em;
}

.btn-dark:hover {
  background: transparent;
  color: #000;
  border-color: #000;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.75rem;
}

/* =============================================
   HEADER
   ============================================= */
#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid #eee;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background var(--transition), border-color var(--transition);
}

/* Quando sai do hero branco e entra nas seções escuras */
#header.scrolled-dark {
  background: rgba(0, 0, 0, 0.97);
  border-bottom-color: #222;
}

#header.scrolled-dark .nav-link {
  color: #666;
}

#header.scrolled-dark .nav-link:hover,
#header.scrolled-dark .nav-link.active {
  color: #fff;
  background: rgba(255,255,255,0.05);
}

#header.scrolled-dark .header-cta {
  border-color: #fff;
  color: #fff;
}

#header.scrolled-dark .header-cta:hover {
  background: #fff;
  color: #000;
}

#header.scrolled-dark .hamburger-line {
  background: #fff;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* Logo imagem */
.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  line-height: 1;
}

.logo-img {
  height: 38px;
  width: auto;
  display: block;
  /* logo escura por padrão — visível no header branco */
  filter: none;
  transition: filter 0.25s ease;
}

/* Quando header vira escuro, inverte a logo para branco */
#header.scrolled-dark .logo-img {
  filter: invert(1);
}

/* Nav */
.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 8px 14px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #444;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: #000;
  background: rgba(0,0,0,0.05);
}

/* Header CTA */
.header-cta {
  font-size: 0.72rem;
  padding: 10px 22px;
  flex-shrink: 0;
  letter-spacing: 0.1em;
  background: transparent;
  color: #000;
  border: 1.5px solid #000;
  font-family: var(--font-body);
  font-weight: 700;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.header-cta:hover {
  background: #000;
  color: #fff;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius);
  transition: background var(--transition);
  background: none;
  border: none;
  cursor: pointer;
}

.hamburger:hover {
  background: rgba(0,0,0,0.05);
}

.hamburger-line {
  display: block;
  width: 22px;
  height: 1.5px;
  background: #000;
  transition: transform var(--transition), opacity var(--transition);
  transform-origin: center;
}

/* Hamburger active (X) */
.hamburger.active .hamburger-line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.active .hamburger-line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile overlay */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 998;
  opacity: 0;
  transition: opacity var(--transition);
}

.mobile-menu-overlay.active {
  display: block;
  opacity: 1;
}

/* =============================================
   HERO — minimalista, fundo branco, texto preto
   ============================================= */
#hero {
  background: #fff;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  border-bottom: 1px solid #e5e5e5;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: 80px;
  padding-bottom: 80px;
  gap: 0;
}

.hero-tag {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: #999;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.hero-title {
  font-family: var(--font-title);
  font-size: clamp(4rem, 10vw, 10rem);
  line-height: 0.9;
  letter-spacing: 0.01em;
  color: #000;
  margin-bottom: 36px;
}

.hero-subtitle {
  font-size: 1rem;
  color: #666;
  line-height: 1.8;
  margin-bottom: 48px;
  font-weight: 300;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

/* Botões exclusivos do hero — preto sobre branco */
.btn-hero-solid {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: #000;
  color: #fff;
  border: 1.5px solid #000;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  border-radius: 2px;
}

.btn-hero-solid:hover {
  background: #fff;
  color: #000;
}

.btn-hero-outline {
  display: inline-flex;
  align-items: center;
  padding: 14px 32px;
  background: transparent;
  color: #000;
  border: 1.5px solid #ccc;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
  border-radius: 2px;
}

.btn-hero-outline:hover {
  border-color: #000;
  background: #000;
  color: #fff;
}

/* =============================================
   SECTION BASE
   ============================================= */
section {
  padding: var(--section-py) 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-header {
  text-align: center;
  margin-bottom: 72px;
}

.section-title {
  font-family: var(--font-title);
  font-size: clamp(2.8rem, 5.5vw, 5rem);
  line-height: 0.95;
  letter-spacing: 0.01em;
  color: var(--color-text);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.8;
  font-weight: 300;
}

/* =============================================
   CLIENTES
   ============================================= */
.clientes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

.cliente-card {
  background: var(--color-bg);
  padding: 40px 32px;
  transition: background var(--transition);
  cursor: default;
  position: relative;
}

.cliente-card:hover {
  background: #111;
}

/* linha vertical esquerda no hover */
.cliente-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #fff;
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.3s ease;
}

.cliente-card:hover::before {
  transform: scaleY(1);
}

.cliente-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid #333;
  margin-bottom: 20px;
  color: rgba(255,255,255,0.7);
  transition: border-color var(--transition), color var(--transition);
}

.cliente-card:hover .cliente-icon {
  border-color: #fff;
  color: #fff;
}

.cliente-name {
  font-family: var(--font-title);
  font-size: 1.6rem;
  letter-spacing: 0.04em;
  color: var(--color-text);
  margin-bottom: 10px;
}

.cliente-desc {
  font-size: 0.825rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  font-weight: 300;
}

/* =============================================
   SERVIÇOS
   ============================================= */
.servicos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

.servico-card {
  background: #0a0a0a;
  padding: 32px 28px;
  position: relative;
  transition: background var(--transition);
}

.servico-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #fff;
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform var(--transition);
}

.servico-card:hover {
  background: #141414;
}

.servico-card:hover::before {
  transform: scaleY(1);
}

.servico-num {
  display: block;
  font-family: var(--font-title);
  font-size: 0.75rem;
  color: var(--color-text-dim);
  letter-spacing: 0.12em;
  margin-bottom: 14px;
}

.servico-card:hover .servico-num {
  color: var(--color-text-muted);
}

.servico-name {
  font-family: var(--font-title);
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  color: var(--color-text);
  margin-bottom: 10px;
  line-height: 1.1;
}

.servico-desc {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  font-weight: 300;
}

/* =============================================
   PROJETOS
   ============================================= */
.projetos-filtros {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  margin-bottom: 48px;
}

.filtro-btn {
  padding: 7px 16px;
  border: 1px solid #2a2a2a;
  border-radius: 0;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-transform: uppercase;
}

.filtro-btn:hover {
  border-color: #555;
  color: #ccc;
}

.filtro-btn.active {
  background: #fff;
  border-color: #fff;
  color: #000;
}

.projetos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.projeto-card {
  overflow: hidden;
  transition: opacity var(--transition);
}

.projeto-card:hover {
  opacity: 1;
}

.projeto-card.hidden {
  display: none;
}

.projeto-thumb {
  position: relative;
  height: 260px;
  overflow: hidden;
  border: 1px solid #1a1a1a;
}

/* Gradientes monocromáticos únicos por projeto — alto contraste B&W */
.projeto-thumb-1 {
  background-image: url('../assets/images/modelo-beatmaker.png');
  background-size: cover;
  background-position: center top;
  background-color: #000;
}

.projeto-thumb-1::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.5) 100%);
}

.projeto-thumb-2 {
  background-image: url('../assets/images/blog-fcsgrid2.png');
  background-size: cover;
  background-position: center top;
  background-color: #000;
}
.projeto-thumb-2::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.5) 100%);
}

.projeto-thumb-3 {
  background: linear-gradient(135deg, #0a0a0a 0%, #222 60%, #111 100%);
}
.projeto-thumb-3::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 25%, rgba(255,255,255,0.09) 0%, transparent 50%);
}

.projeto-thumb-4 {
  background-image: url('../assets/images/site-vdmk2.png');
  background-size: cover;
  background-position: center top;
  background-color: #000;
}
.projeto-thumb-4::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 40% 60%, rgba(255,255,255,0.05) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 10%, rgba(255,255,255,0.04) 0%, transparent 40%);
}

.projeto-thumb-5 {
  background-image: url('../assets/images/crumble.png');
  background-size: cover;
  background-position: center top;
  background-color: #000;
}
.projeto-thumb-5::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.5) 100%);
}

.projeto-thumb-6 {
  background-image: url('../assets/images/djWeb\ \(2\).png');
  background-size: cover;
  background-position: center top;
  background-color: #000;
}
.projeto-thumb-6::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.5) 100%);
}

/* Linha horizontal decorativa — all thumbs */
.projeto-thumb::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(255,255,255,0.08);
}

/* Overlay */
.projeto-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.92);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 28px;
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.projeto-thumb:hover .projeto-overlay {
  opacity: 1;
}

.projeto-categoria {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 6px;
}

.projeto-nome {
  font-family: var(--font-title);
  font-size: 1.6rem;
  letter-spacing: 0.04em;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1;
}

/* =============================================
   PROCESSO
   ============================================= */
.processo-timeline {
  position: relative;
}

.timeline-line {
  position: absolute;
  top: 32px;
  left: calc(10% + 24px);
  right: calc(10% + 24px);
  height: 1px;
  background: #1a1a1a;
  z-index: 0;
  overflow: hidden;
}

.timeline-line-progress {
  height: 100%;
  background: #fff;
  width: 0;
  transition: width 1.8s ease;
}

.timeline-line-progress.animated {
  width: 100%;
}

.processo-steps {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  position: relative;
  z-index: 1;
}

.processo-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.step-number {
  font-family: var(--font-title);
  font-size: 1.8rem;
  color: rgba(255,255,255,0.25);
  line-height: 1;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
  border: 1px solid #222;
  border-radius: 0;
  margin-bottom: 20px;
  position: relative;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.processo-step:hover .step-number {
  background: #fff;
  color: #000;
  border-color: #fff;
}

.step-name {
  font-family: var(--font-title);
  font-size: 1rem;
  letter-spacing: 0.08em;
  color: var(--color-text);
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  font-weight: 300;
}

/* =============================================
   DIFERENCIAIS
   ============================================= */
.diferenciais-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

.diferencial-card {
  background: var(--color-bg);
  padding: 40px 32px;
  transition: background var(--transition);
  position: relative;
}

.diferencial-card:hover {
  background: #0d0d0d;
}

.diferencial-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 32px;
  right: 32px;
  height: 1px;
  background: transparent;
  transition: background var(--transition);
}

.diferencial-card:hover::after {
  background: rgba(255,255,255,0.08);
}

.diferencial-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid #2a2a2a;
  margin-bottom: 20px;
  color: rgba(255,255,255,0.5);
  transition: border-color var(--transition), color var(--transition);
}

.diferencial-card:hover .diferencial-icon {
  border-color: rgba(255,255,255,0.4);
  color: #fff;
}

.diferencial-title {
  font-family: var(--font-title);
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  color: var(--color-text);
  margin-bottom: 10px;
}

.diferencial-desc {
  font-size: 0.825rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  font-weight: 300;
}

/* =============================================
   CTA SECTION — INVERTIDO: fundo branco, texto preto
   ============================================= */
.section-cta {
  background: #fff;
  padding: 120px 0;
}

.cta-inner {
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}

.cta-title {
  font-family: var(--font-title);
  font-size: clamp(2.8rem, 5.5vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: 0.01em;
  color: #000;
  margin-bottom: 24px;
}

.cta-subtitle {
  font-size: 0.95rem;
  color: rgba(0,0,0,0.55);
  margin-bottom: 44px;
  line-height: 1.8;
  font-weight: 300;
}

.cta-btn {
  font-size: 0.85rem;
  padding: 18px 52px;
  letter-spacing: 0.1em;
  border-radius: 0;
}

/* =============================================
   FOOTER
   ============================================= */
#footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding-top: 72px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 60px;
}

/* Logo imagem no footer */
.footer-logo-img {
  height: 36px;
  width: auto;
  display: block;
  margin-bottom: 16px;
}

/* Fallback texto footer */
.footer-logo-text {
  font-family: var(--font-title);
  font-size: 2rem;
  display: inline-block;
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 0.825rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 24px;
  max-width: 260px;
  font-weight: 300;
}

.footer-social {
  display: flex;
  gap: 8px;
}

.social-link {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #222;
  border-radius: 0;
  color: #555;
  transition: all var(--transition);
}

.social-link:hover {
  border-color: #fff;
  color: #fff;
  background: rgba(255,255,255,0.04);
}

.footer-nav-title {
  font-family: var(--font-title);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.4);
  margin-bottom: 20px;
  text-transform: uppercase;
}

.footer-nav-list,
.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  font-size: 0.825rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
  font-weight: 300;
}

.footer-link:hover {
  color: var(--color-text);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 24px 0;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--color-text-dim);
  text-align: center;
  letter-spacing: 0.05em;
}

/* =============================================
   RESPONSIVIDADE
   ============================================= */

/* 1024px */
@media (max-width: 1024px) {
  :root {
    --section-py: 90px;
  }

  .servicos-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .clientes-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .diferenciais-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 768px — tablet */
@media (max-width: 768px) {
  :root {
    --section-py: 72px;
  }

  /* Header — mobile */
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100vh;
    width: 260px;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 80px 32px 32px;
    gap: 4px;
    border-left: 1px solid #eee;
    transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
  }

  .nav.open {
    right: 0;
  }

  .nav-link {
    font-size: 0.9rem;
    padding: 12px 16px;
    width: 100%;
    color: #333;
  }

  .header-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  /* Hero */
  .hero-inner {
    padding-top: 48px;
    padding-bottom: 64px;
  }

  .hero-title {
    font-size: clamp(3rem, 14vw, 5.5rem);
  }

  .hero-subtitle br {
    display: none;
  }

  /* Sections */
  .clientes-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .servicos-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .projetos-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .diferenciais-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Timeline — vertical */
  .timeline-line {
    display: none;
  }

  .processo-steps {
    flex-direction: column;
    gap: 0;
  }

  .processo-step {
    flex-direction: row;
    align-items: flex-start;
    text-align: left;
    gap: 20px;
    padding: 24px 0;
    border-bottom: 1px solid var(--color-border);
  }

  .processo-step:last-child {
    border-bottom: none;
  }

  .step-number {
    flex-shrink: 0;
    margin-bottom: 0;
  }

  /* Footer */
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  /* CTA */
  .cta-title {
    font-size: clamp(2rem, 7vw, 3.5rem);
  }
}

/* 480px — small mobile */
@media (max-width: 480px) {
  .hero-title {
    font-size: clamp(2.5rem, 16vw, 4rem);
  }

  .clientes-grid {
    grid-template-columns: 1fr;
  }

  .servicos-grid {
    grid-template-columns: 1fr;
  }

  .projetos-grid {
    grid-template-columns: 1fr;
  }

  .diferenciais-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-brand {
    grid-column: auto;
  }

  .section-header {
    margin-bottom: 48px;
  }

  .projetos-filtros {
    gap: 6px;
  }

  .filtro-btn {
    font-size: 0.75rem;
    padding: 6px 14px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-actions .btn {
    max-width: 280px;
  }
}

/* =============================================
   WHATSAPP FLOAT BUTTON
   ============================================= */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 56px;
  height: 56px;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-float:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.55);
  color: #fff;
}

@media (max-width: 480px) {
  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
  }
}