/* ================================================================
   danndev — CSS
   Tema: Hacker / Cyberpunk
   ================================================================ */

/* ——— Reset & Variáveis ——— */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --black:       #0a0a0f;
  --black-2:     #0d0d14;
  --black-3:     #111118;
  --black-4:     #1a1a24;
  --purple:      #7c3aed;
  --purple-light:#a855f7;
  --purple-glow: rgba(124, 58, 237, 0.3);
  --blue:        #2563eb;
  --blue-light:  #60a5fa;
  --blue-glow:   rgba(37, 99, 235, 0.3);
  --cyan:        #06b6d4;
  --white:       #f8fafc;
  --white-60:    rgba(248, 250, 252, 0.6);
  --white-30:    rgba(248, 250, 252, 0.3);
  --white-10:    rgba(248, 250, 252, 0.07);
  --border:      rgba(124, 58, 237, 0.2);
  --border-blue: rgba(37, 99, 235, 0.25);

  --font-mono:   'Share Tech Mono', 'Courier New', monospace;
  --font-body:   'Rajdhani', sans-serif;
  --font-display:'Orbitron', sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 3rem;
  --space-xl: 6rem;

  --radius: 4px;
  --radius-md: 8px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-w: 1200px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
  width: 100%;
}

body {
  background-color: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none;
  width: 100%;
  position: relative;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--purple); border-radius: 3px; }
::selection { background: var(--purple-glow); color: var(--white); }

/* ——— Canvas Matrix ——— */
#matrix-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.04;
}

#hero-particles {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.scanline {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 1;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0, 0, 0, 0.04) 2px, rgba(0, 0, 0, 0.04) 4px
  );
}

/* ——— Cursor ——— */
.cursor {
  width: 12px; height: 12px;
  border: 2px solid var(--purple-light);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s, border-color 0.2s, background 0.2s;
  mix-blend-mode: difference;
}
.cursor-trail {
  width: 32px; height: 32px;
  border: 1px solid var(--purple-glow);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: left 0.12s ease, top 0.12s ease;
}
.cursor.active { transform: translate(-50%, -50%) scale(1.8); background: var(--purple-glow); }

@media (hover: none) { .cursor, .cursor-trail { display: none; } }

/* ——— Container ——— */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ================================================================
   Botões
   ================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.btn:hover::before { opacity: 1; }

.btn-primary {
  background: linear-gradient(135deg, var(--purple), var(--blue));
  color: var(--white);
  box-shadow: 0 0 20px var(--purple-glow), 0 4px 15px rgba(0,0,0,0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px var(--purple-glow), 0 8px 25px rgba(0,0,0,0.5);
}
.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--purple-light);
  background: var(--white-10);
  transform: translateY(-2px);
}
.btn-full { width: 100%; justify-content: center; }
.btn-icon { transition: transform var(--transition); }
.btn:hover .btn-icon { transform: translateX(4px); }

/* ================================================================
   Seções
   ================================================================ */
section { position: relative; z-index: 2; }

.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}
.section-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--purple-light);
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.accent { color: var(--purple-light); }
.section-desc { color: var(--white-60); font-size: 1.1rem; max-width: 500px; margin: 0 auto; }

/* ——— Reveal ——— */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ================================================================
   Header
   ================================================================ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.25rem 0;
  transition: background var(--transition), padding var(--transition), border-bottom var(--transition);
}
.header.scrolled {
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--white);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 2px;
  letter-spacing: 0.05em;
}
.logo-bracket { color: var(--purple-light); }
.logo-accent { color: var(--blue-light); }
.logo-cursor {
  display: inline-block;
  width: 3px; height: 1.1em;
  background: var(--purple-light);
  margin-left: 3px;
  animation: blink 1s step-end infinite;
  vertical-align: middle;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.nav-menu {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 0.25rem;
}
.nav-logo-mobile { display: none; }
.nav-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--white-60);
  text-decoration: none;
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
  letter-spacing: 0.05em;
}
.nav-link:hover { color: var(--white); background: var(--white-10); }
.nav-link.active { color: var(--purple-light); }
.nav-cta {
  background: linear-gradient(135deg, var(--purple), var(--blue));
  color: var(--white) !important;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  transition: var(--transition);
  border-radius: 2px;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-social-mobile { display: none; }

/* ================================================================
   Hero
   ================================================================ */
.hero {
  min-height: 100vh;
  padding: 8rem 0 4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  top: 20%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--purple-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 0.4rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--purple-light);
  margin-bottom: 1.5rem;
  width: fit-content;
}
.badge-dot {
  width: 6px; height: 6px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%,100% { box-shadow: 0 0 0 0 rgba(34,197,94,0.4); }
  50% { box-shadow: 0 0 0 6px rgba(34,197,94,0); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}
.title-line {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(0.8rem, 1.5vw, 1rem);
  font-weight: 400;
  color: var(--purple-light);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}
.title-main { display: block; }
.title-accent {
  display: inline-block;
  color: var(--purple-light);
  white-space: nowrap;
}

.hero-sub {
  color: var(--white-60);
  font-size: 1.125rem;
  max-width: 480px;
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

/* Stats */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  white-space: nowrap;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1;
}
.stat-plus { font-size: 1.5rem; font-weight: 900; color: var(--purple-light); }
.stat-label {
  font-size: clamp(0.7rem, 1.5vw, 0.8rem);
  color: var(--white-60);
  font-family: var(--font-display);
  margin-top: 0.15rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.stat-divider { width: 1px; height: 50px; background: var(--border); }
.stat-num-wrap {
  display: inline-flex;
  align-items: baseline;
  gap: 0;
  line-height: 1;
}

/* Terminal */
.hero-terminal {
  display: flex;
  justify-content: flex-start;
  padding-left: 5px;
}
.terminal {
  width: 100%;
  max-width: 480px;
  background: var(--black-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 0 60px var(--purple-glow), 0 20px 60px rgba(0,0,0,0.6);
  animation: terminal-glow 4s ease-in-out infinite;
}
@keyframes terminal-glow {
  0%,100% { box-shadow: 0 0 40px var(--purple-glow), 0 20px 60px rgba(0,0,0,0.6); }
  50% { box-shadow: 0 0 80px rgba(37,99,235,0.3), 0 20px 60px rgba(0,0,0,0.6); }
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--black-3);
  border-bottom: 1px solid var(--border);
}
.t-dot { width: 12px; height: 12px; border-radius: 50%; }
.t-red { background: #ef4444; }
.t-yellow { background: #f59e0b; }
.t-green { background: #22c55e; }
.t-title { font-family: var(--font-mono); font-size: 0.75rem; color: var(--white-60); margin-left: 0.5rem; }

.terminal-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-height: 280px;
  justify-content: center;
}
.t-line { font-family: var(--font-mono); font-size: 0.82rem; display: flex; gap: 0.35rem; align-items: baseline; white-space: nowrap; }
.t-prompt { color: var(--purple-light); user-select: none; }
.t-cmd { color: var(--white); }
.t-out { color: var(--white-60); padding-left: 1.25rem; }
.t-out.success { color: #4ade80; }
.t-acc { color: var(--cyan); }
.t-hash { color: var(--blue-light); }
.t-blink { animation: fade-in 1s ease 2s both; }
.cursor-blink { animation: blink 1s step-end infinite; color: var(--purple-light); }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  z-index: 1;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--purple-light), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}
@keyframes scroll-line { 0%,100%{opacity:0.3} 50%{opacity:1} }
.scroll-text { font-family: var(--font-mono); font-size: 0.65rem; color: var(--white-30); letter-spacing: 0.15em; }

/* ================================================================
   Ticker
   ================================================================ */
.ticker-wrap {
  overflow: hidden;
  background: linear-gradient(135deg, rgba(124,58,237,0.15), rgba(37,99,235,0.15));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 0.875rem 0;
  position: relative;
  z-index: 2;
}
.ticker-track {
  display: flex;
  gap: 2rem;
  width: max-content;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--white);
}
.ticker-dot { color: var(--purple-light); }

/* ================================================================
   Serviços
   ================================================================ */
.services { padding: var(--space-xl) 0; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--black-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
  transform-style: preserve-3d;
  display: flex;
  flex-direction: column;
}
.service-card .card-cta { margin-top: auto; }
.service-card:hover { border-color: var(--purple-light); }
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--purple), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.service-card:hover::before { opacity: 1; }

.service-card--featured {
  border-color: rgba(124,58,237,0.5);
  background: linear-gradient(135deg, var(--black-3), var(--black-2));
}
.service-card--featured::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, var(--purple-glow), transparent 60%);
  pointer-events: none;
}

.card-glow {
  position: absolute;
  top: -50%; right: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle, var(--purple-glow) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  will-change: opacity;
}
.service-card:hover .card-glow { opacity: 0.6; }

.card-badge {
  position: absolute;
  top: 1rem; right: 1rem;
  background: linear-gradient(135deg, var(--purple), var(--blue));
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--white);
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  z-index: 1;
}

.card-icon {
  width: 48px; height: 48px;
  color: var(--purple-light);
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}
.card-icon svg { width: 100%; height: 100%; }

.card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--white);
  position: relative;
  z-index: 1;
}
.card-text {
  color: var(--white-60);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 1;
}
.card-features {
  list-style: none;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  position: relative;
  z-index: 1;
}
.card-features li {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--white-60);
  padding-left: 1.25rem;
  position: relative;
}
.card-features li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--purple-light);
}
.card-cta {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--purple-light);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: gap var(--transition), color var(--transition);
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
}
.card-cta:hover { color: var(--white); gap: 4px; }

/* ================================================================
   Diferenciais
   ================================================================ */
.why {
  padding: var(--space-xl) 0;
  background: linear-gradient(180deg, var(--black) 0%, var(--black-2) 50%, var(--black) 100%);
}

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

.why-item {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--black-3);
  transition: border-color var(--transition), transform var(--transition);
}
.why-item:hover { border-color: var(--blue-light); transform: translateY(-4px); }

.why-icon { font-size: 2rem; margin-bottom: 0.75rem; display: block; }
.why-item h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--white);
}
.why-item p { font-size: 0.9rem; color: var(--white-60); line-height: 1.6; }

/* ================================================================
   Portfólio
   ================================================================ */
.portfolio { padding: var(--space-xl) 0; }

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.portfolio-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--black-2);
  transition: border-color var(--transition), transform var(--transition);
}
.portfolio-card:hover { border-color: var(--purple-light); transform: translateY(-6px); }

.portfolio-thumb {
  background: var(--black-3);
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.thumb-mockup {
  width: 100%;
  max-width: 240px;
  background: var(--black-4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.mock-bar {
  height: 8px;
  background: var(--black-3);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 6px;
  gap: 3px;
}
.mock-bar::before, .mock-bar::after {
  content: '';
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--purple-glow);
}
.mock-content { padding: 8px; display: flex; flex-direction: column; gap: 6px; }
.mock-hero { height: 40px; background: linear-gradient(135deg, var(--purple-glow), var(--blue-glow)); border-radius: 2px; }
.mock-hero.tall { height: 60px; }
.mock-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
.mock-card { height: 30px; background: var(--border); border-radius: 2px; }
.mock-row { height: 8px; background: var(--border); border-radius: 100px; }
.mock-row.short { width: 60%; }
.mock-sidebar { width: 25%; height: 60px; background: var(--border); border-radius: 2px; }
.mock-main { flex: 1; display: flex; flex-direction: column; gap: 4px; }

.portfolio-info { padding: 1.25rem; }
.portfolio-info h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.portfolio-info p { font-size: 0.875rem; color: var(--white-60); line-height: 1.6; margin-bottom: 0.75rem; }
.portfolio-result {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #4ade80;
  background: rgba(74, 222, 128, 0.1);
  border: 1px solid rgba(74, 222, 128, 0.2);
  border-radius: var(--radius);
  padding: 0.25rem 0.6rem;
  display: inline-block;
}

/* ================================================================
   Processo
   ================================================================ */
.process {
  padding: var(--space-xl) 0;
  background: var(--black-2);
}

.process-steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  position: relative;
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  padding: 0 1rem;
}
.step-num {
  width: 60px; height: 60px;
  border: 2px solid var(--purple);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 900;
  color: var(--purple-light);
  background: var(--black);
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 1;
  transition: background var(--transition), border-color var(--transition);
}
.process-step:hover .step-num {
  background: var(--purple);
  color: var(--white);
  border-color: var(--purple-light);
}
.step-line {
  position: absolute;
  top: 30px;
  left: calc(50% + 30px);
  right: calc(-50% + 30px);
  height: 2px;
  background: linear-gradient(90deg, var(--purple), var(--blue));
  opacity: 0.3;
}
.step-content h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.step-content p { font-size: 0.85rem; color: var(--white-60); line-height: 1.6; }

/* ================================================================
   FAQ
   ================================================================ */
.faq { padding: var(--space-xl) 0; }

.faq-list {
  max-width: 740px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--black-2);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item:has(.faq-btn[aria-expanded="true"]) { border-color: var(--purple-light); }

.faq-btn {
  width: 100%;
  background: none;
  border: none;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  text-align: left;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
}
.faq-btn:hover { background: var(--white-10); }
.faq-icon {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--purple-light);
  transition: transform var(--transition), color var(--transition);
  flex-shrink: 0;
  user-select: none;
}
.faq-btn[aria-expanded="true"] .faq-icon { transform: rotate(45deg); color: var(--white); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition), padding var(--transition);
  padding: 0 1.5rem;
}
.faq-answer.open { max-height: 300px; padding: 0 1.5rem 1.25rem; }
.faq-answer p { font-size: 0.95rem; color: var(--white-60); line-height: 1.7; }
.faq-answer strong { color: var(--white); }

/* ================================================================
   Contato
   ================================================================ */
.contact {
  padding: var(--space-xl) 0;
  background: linear-gradient(180deg, var(--black) 0%, var(--black-2) 100%);
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: '';
  position: absolute;
  bottom: -20%;
  right: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--blue-glow), transparent 70%);
  pointer-events: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
  position: relative;
  z-index: 1;
}

.contact-info .section-title { text-align: left; }
.contact-sub { color: var(--white-60); font-size: 1rem; line-height: 1.7; margin: 1.5rem 0 2rem; }
.contact-sub strong { color: var(--white); }

.contact-links { display: flex; flex-direction: column; gap: 0.75rem; }
.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--white-60);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color var(--transition);
}
.contact-link:hover { color: var(--white); }
.cl-icon {
  width: 36px; height: 36px;
  background: var(--white-10);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--purple-light);
  flex-shrink: 0;
  transition: background var(--transition), border-color var(--transition);
}
.cl-icon svg { width: 18px; height: 18px; }
.contact-link:hover .cl-icon { background: var(--purple-glow); border-color: var(--purple-light); }

.contact-form {
  background: var(--black-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.form-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.25rem;
  background: var(--black-3);
  border-bottom: 1px solid var(--border);
}
.form-title { font-family: var(--font-mono); font-size: 0.75rem; color: var(--white-60); }
.form-status { font-family: var(--font-mono); font-size: 0.72rem; color: #22c55e; }

.contact-form .form-group {
  padding: 0 1.25rem;
  margin-top: 1.25rem;
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--purple-light);
  margin-bottom: 0.4rem;
  letter-spacing: 0.05em;
}
.required { color: var(--blue-light); }

.form-input {
  width: 100%;
  background: var(--black-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
}
.form-input:focus {
  border-color: var(--purple-light);
  box-shadow: 0 0 0 3px var(--purple-glow);
}
.form-input::placeholder { color: var(--white-30); }
.form-select { cursor: pointer; }
.form-select option { background: var(--black-2); }

.contact-form .btn {
  margin: 1.25rem 1.25rem;
  width: calc(100% - 2.5rem);
}

.form-note {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--white-30);
  text-align: center;
  padding: 0 1.25rem 1.25rem;
}

.form-success {
  background: rgba(74, 222, 128, 0.1);
  border-top: 1px solid rgba(74, 222, 128, 0.2);
  padding: 1rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #4ade80;
  text-align: center;
}

/* ================================================================
   Footer
   ================================================================ */
.footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  background: var(--black-2);
  position: relative;
  z-index: 2;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.footer-brand { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-brand p { font-size: 0.85rem; color: var(--white-60); max-width: 280px; }
.footer-nav { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-nav a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--white-60);
  text-decoration: none;
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--purple-light); }
.footer-social {
  display: flex;
  gap: 1rem;
  align-items: center;
}
.footer-social a {
  width: 28px; height: 28px;
  color: var(--white-60);
  transition: color var(--transition), transform var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.footer-social a:hover {
  color: var(--purple-light);
  transform: translateY(-2px);
}
.footer-social a svg { width: 20px; height: 20px; }
.heart-icon {
  display: inline-block;
  width: 14px; height: 14px;
  color: #ef4444;
  vertical-align: middle;
  margin: 0 2px;
}
.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--white-30);
  width: 100%;
}

/* ================================================================
   Back to top
   ================================================================ */
.back-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--purple), var(--blue));
  border: none;
  border-radius: var(--radius);
  color: var(--white);
  font-size: 1.1rem;
  cursor: pointer;
  z-index: 50;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 0 20px var(--purple-glow);
}
.back-top:hover { transform: translateY(-4px); box-shadow: 0 0 30px var(--purple-glow); }
.back-top[hidden] { display: none; }

/* ================================================================
   Acessibilidade
   ================================================================ */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--purple-light);
  outline-offset: 3px;
  border-radius: var(--radius);
}

/* ================================================================
   Responsivo — Mobile
   ================================================================ */

/* 768px */
@media (max-width: 768px) {
  /* Header / Navegação */
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed;
    top: 0; right: -100%;
    width: min(320px, 85vw);
    height: 100vh;
    background: var(--black-2);
    border-left: 1px solid var(--border);
    flex-direction: column;
    justify-content: center;
    align-items: stretch;
    padding: 3rem 2.5rem;
    gap: 0.75rem;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 99;
  }
  .nav-menu.open { right: 0; }
  .nav-link {
    font-size: 1.1rem;
    padding: 1rem 1.25rem;
    width: 100%;
    border-radius: var(--radius-md);
    text-align: center;
    letter-spacing: 0.1em;
  }
  .nav-item-cta { margin-top: 2rem; }
  .nav-logo-mobile {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 900;
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
  }
  .nav-logo-mobile .logo-accent { color: var(--blue-light); }
  .nav-cta {
    width: 100%;
    text-align: center;
    padding: 1rem !important;
    border-radius: var(--radius-md);
    display: block;
  }
  .nav-social-mobile {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    padding-top: 1.5rem;
    margin-top: 1rem;
    border-top: 1px solid var(--border);
  }
  .nav-social-link {
    width: 32px; height: 32px;
    color: var(--white-60);
    transition: color var(--transition), transform var(--transition);
  }
  .nav-social-link:hover {
    color: var(--purple-light);
    transform: translateY(-2px);
  }
  .nav-social-link svg { width: 100%; height: 100%; }

  /* Processo */
  .process-steps { grid-template-columns: 1fr; gap: 2rem; }
  .step-line { display: none; }
  .process-step { flex-direction: row; text-align: left; align-items: flex-start; gap: 1.25rem; }
  .step-num { margin-bottom: 0; flex-shrink: 0; width: 50px; height: 50px; font-size: 0.75rem; }

  /* Espaçamento de seções */
  .section-header { margin-bottom: var(--space-md); }
  .section-title { font-size: clamp(1.5rem, 6vw, 2rem); }

  /* Back to top */
  .back-top { display: none !important; }
}

/* telas grandes */
@media (min-width: 481px) {
  .hero-stats { gap: 1rem; }
}

/* 900px */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 3rem; }
  .hero-terminal { display: none; }
  .hero { padding: 6rem 0 3rem; }
  .services-grid { grid-template-columns: 1fr; }
  .services { padding: var(--space-lg) 0; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .contact-links { display: none; }
  .contact { padding: var(--space-lg) 0; }
  .why { padding: var(--space-lg) 0; }
  .portfolio, .faq, .process { padding: var(--space-lg) 0; }
}

/* 600px */
@media (max-width: 600px) {
  .why-grid { grid-template-columns: 1fr; }
  .ticker-track { font-size: 0.6rem; gap: 1rem; }
  .ticker-wrap { padding: 0.6rem 0; }
  .footer-inner { flex-direction: column; text-align: center; gap: 1rem; }
  .footer-brand { align-items: center; }
  .footer-nav { justify-content: center; }
}

/* 480px */
@media (max-width: 480px) {
  .hero-content { text-align: center; }
  .hero-content .hero-badge { margin-left: auto; margin-right: auto; }
  .hero-content .hero-cta { justify-content: center; }
  .hero-content .hero-sub { margin-left: auto; margin-right: auto; max-width: 100%; }
  .hero-stats { align-items: center; justify-content: center; gap: 0.75rem; }
  .stat { align-items: center; }
  .stat-divider { display: none; }
  .stat-num { font-size: 1.5rem; }
  .stat-plus { font-size: 1.1rem; }
  .stat-label { font-size: 0.6rem; }
}

/* 380px */
@media (max-width: 380px) {
  .hero-stats { flex-direction: column; gap: 0.5rem; }
  .hero-title { font-size: clamp(1.4rem, 7vw, 1.8rem); }
  .hero-sub { font-size: 0.9rem; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { justify-content: center; padding: 0.75rem 1rem; font-size: 0.8rem; }
  .hero-badge { font-size: 0.65rem; padding: 0.3rem 0.75rem; }
  .stat-num { font-size: 1.3rem; }
  .stat-plus { font-size: 1rem; }
  .container { padding: 0 1rem; }
}