/* ═══════════════════════════════════════════════════════════════════════════
   Appza Landing Page — Estilos globais
   Design: dark, premium, moderno (inspirado no Korza)
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Variáveis ────────────────────────────────────────────────────────────── */
:root {
  --bg-base:      #0A0A0A;
  --bg-dark:      #111111;
  --bg-card:      #141414;
  --bg-card-2:    #1A1A1A;
  --bg-input:     #1C1C1C;

  --color-primary:       #7C3AED;
  --color-primary-hover: #6D28D9;
  --color-secondary:     #A855F7;
  --color-glow:          rgba(124, 58, 237, 0.4);

  --text-primary:  #F8FAFC;
  --text-muted:    #94A3B8;
  --text-disabled: #475569;

  --border:       rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.12);

  --radius-sm: 8px;
  --radius:    14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-card:    0 4px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow:    0 0 80px rgba(124, 58, 237, 0.15);
  --shadow-primary: 0 8px 32px rgba(124, 58, 237, 0.35);

  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --nav-h: 68px;
  --section-gap: 120px;
  --container:    1160px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a   { text-decoration: none; color: inherit; }
ul  { list-style: none; }
button { font-family: inherit; cursor: pointer; }

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

/* ── Botões ───────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 600;
  transition: all 0.2s ease;
  white-space: nowrap;
  border: none;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-primary);
}
.btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); box-shadow: 0 12px 40px rgba(124, 58, 237, 0.45); }
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  background: transparent;
  color: var(--color-secondary);
  border: 1.5px solid var(--color-primary);
}
.btn-outline:hover { background: rgba(124, 58, 237, 0.1); border-color: var(--color-secondary); }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1.5px solid var(--border-light);
}
.btn-ghost:hover { background: rgba(255,255,255,0.05); color: var(--text-primary); }

.btn-lg { padding: 14px 28px; font-size: 1rem; border-radius: var(--radius-sm); }
.btn-xl { padding: 16px 36px; font-size: 1.0625rem; border-radius: var(--radius-sm); width: 100%; justify-content: center; gap: 10px; }

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

/* ── Textos de seção ──────────────────────────────────────────────────────── */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-secondary);
  background: rgba(168, 85, 247, 0.12);
  border: 1px solid rgba(168, 85, 247, 0.25);
  padding: 5px 14px;
  border-radius: var(--radius-xl);
  margin-bottom: 16px;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ── Texto gradiente ──────────────────────────────────────────────────────── */
.gradient-text {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Animação de entrada (Intersection Observer) ─────────────────────────── */
[data-aos] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-aos].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════════════════════════════════════════
   NAVBAR
   ═══════════════════════════════════════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: transparent;
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s;
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
}

.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 40px;
}

/* Logo */
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-logo { width: 30px; height: 30px; object-fit: contain; }
.nav-brand-name {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

/* Links */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}
.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color 0.15s, background 0.15s;
}
.nav-link:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }

/* CTAs */
.nav-ctas {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-ctas .btn { padding: 9px 18px; font-size: 0.875rem; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ═══════════════════════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--nav-h);
}

/* Canvas do particles.js */
#particles-js {
  position: absolute;
  inset: 0;
  z-index: 0;
}

/* Brilho roxo no centro */
.hero-glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(124, 58, 237, 0.18) 0%, transparent 65%);
  pointer-events: none;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 80px 24px 100px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-secondary);
  background: rgba(168, 85, 247, 0.12);
  border: 1px solid rgba(168, 85, 247, 0.3);
  padding: 7px 18px;
  border-radius: var(--radius-xl);
  margin-bottom: 32px;
}
.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--color-secondary);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.6; transform: scale(1.3); }
}

.hero-title {
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ═══════════════════════════════════════════════════════════════════════════
   FUNCIONALIDADES
   ═══════════════════════════════════════════════════════════════════════════ */
.features {
  padding: var(--section-gap) 0;
  background: var(--bg-dark);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.feature-card:hover {
  border-color: rgba(124, 58, 237, 0.4);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.feature-icon-wrap {
  width: 48px; height: 48px;
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid rgba(124, 58, 237, 0.25);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--color-secondary);
}

.feature-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.feature-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════════════════════════════════
   COMO FUNCIONA
   ═══════════════════════════════════════════════════════════════════════════ */
.how-it-works {
  padding: var(--section-gap) 0;
}

.steps-wrap {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  width: 100%;
  transition: border-color 0.3s, transform 0.3s;
}
.step:hover {
  border-color: rgba(124, 58, 237, 0.35);
  transform: translateX(4px);
}

.step-number {
  font-size: 2.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  flex-shrink: 0;
  letter-spacing: -0.04em;
}

.step-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.step-connector {
  width: 1px;
  height: 40px;
  margin-left: 64px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-secondary));
  opacity: 0.5;
  flex-shrink: 0;
}
.step-connector svg { display: none; }

/* ═══════════════════════════════════════════════════════════════════════════
   CASES / ESTATÍSTICAS
   ═══════════════════════════════════════════════════════════════════════════ */
.stats {
  padding: var(--section-gap) 0;
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
}
.stats::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 1px;
  background: linear-gradient(to right, transparent, var(--color-primary), transparent);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: border-color 0.3s, transform 0.3s;
}
.stat-card:hover { border-color: rgba(124, 58, 237, 0.3); transform: translateY(-4px); }

.stat-card--highlight {
  border-color: rgba(124, 58, 237, 0.4);
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.08) 0%, var(--bg-card) 60%);
  box-shadow: var(--shadow-glow);
}

.stat-value {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 12px;
}

.stat-label {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.5;
  font-weight: 500;
}

.stats-source {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-disabled);
  font-style: italic;
}

/* ═══════════════════════════════════════════════════════════════════════════
   PLANOS
   ═══════════════════════════════════════════════════════════════════════════ */
.pricing {
  padding: var(--section-gap) 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  transition: border-color 0.3s, transform 0.3s;
}
.pricing-card:hover { border-color: rgba(124, 58, 237, 0.3); transform: translateY(-4px); }

/* Card Pro — destaque */
.pricing-card--featured {
  border-color: rgba(124, 58, 237, 0.5);
  background: linear-gradient(145deg, rgba(124, 58, 237, 0.1) 0%, var(--bg-card) 50%);
  box-shadow: 0 0 60px rgba(124, 58, 237, 0.2), var(--shadow-card);
  transform: scale(1.02);
}
.pricing-card--featured:hover { transform: scale(1.02) translateY(-4px); }

/* Badge "Mais popular" */
.plan-badge {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 5px 18px;
  border-radius: var(--radius-xl);
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(124, 58, 237, 0.4);
}

.plan-name {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.plan-tagline {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.plan-features {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.plan-features .check {
  color: var(--color-secondary);
  font-size: 0.875rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════════════════════
   FAQ
   ═══════════════════════════════════════════════════════════════════════════ */
.faq {
  padding: var(--section-gap) 0;
  background: var(--bg-dark);
}

.faq-inner {
  max-width: 720px;
}
.faq .container { max-width: 720px; }

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s;
}
.faq-item.open { border-color: rgba(124, 58, 237, 0.35); }

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  transition: color 0.15s;
}
.faq-q:hover { color: var(--color-secondary); }

/* Ícone +/− animado */
.faq-icon {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 1.5px solid var(--border-light);
  flex-shrink: 0;
  position: relative;
  transition: background 0.2s, border-color 0.2s, transform 0.3s;
}
.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: var(--text-muted);
  border-radius: 2px;
  transition: transform 0.3s ease, background 0.2s;
}
.faq-icon::before { width: 10px; height: 1.5px; top: 50%; left: 50%; transform: translate(-50%, -50%); }
.faq-icon::after  { width: 1.5px; height: 10px; top: 50%; left: 50%; transform: translate(-50%, -50%); }

.faq-item.open .faq-icon {
  background: rgba(124, 58, 237, 0.15);
  border-color: var(--color-primary);
  transform: rotate(45deg);
}
.faq-item.open .faq-icon::before,
.faq-item.open .faq-icon::after { background: var(--color-secondary); }

/* Resposta com animação de altura */
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-item.open .faq-a { max-height: 300px; }

.faq-a p {
  padding: 0 24px 20px;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ═══════════════════════════════════════════════════════════════════════════
   FORMULÁRIO DE LEAD
   ═══════════════════════════════════════════════════════════════════════════ */
.lead-section {
  padding: var(--section-gap) 0;
  position: relative;
  overflow: hidden;
}
.lead-section::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 900px;
  background: radial-gradient(ellipse at 50% 30%, rgba(124, 58, 237, 0.12) 0%, transparent 65%);
  pointer-events: none;
}

.lead-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: var(--radius-xl);
  padding: 60px;
  max-width: 680px;
  margin: 0 auto;
  box-shadow: 0 0 80px rgba(124, 58, 237, 0.15);
}

.lead-header {
  text-align: center;
  margin-bottom: 48px;
}

.lead-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  margin-top: 12px;
  line-height: 1.6;
}

/* Formulário */
.lead-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.01em;
}

.form-group input,
.form-group select {
  padding: 13px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9375rem;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
}
.form-group input:focus,
.form-group select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}
.form-group input::placeholder { color: var(--text-disabled); }
.form-group input.invalid { border-color: #EF4444; box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1); }

/* Select customizado */
.select-wrap {
  position: relative;
}
.select-wrap select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 40px;
  cursor: pointer;
}
.select-arrow {
  position: absolute;
  right: 14px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

/* Radio buttons */
.radio-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.radio-item {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}
.radio-item input[type="radio"] { display: none; }

.radio-custom {
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 2px solid var(--border-light);
  background: transparent;
  flex-shrink: 0;
  transition: border-color 0.2s, box-shadow 0.2s;
  position: relative;
}
.radio-custom::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0);
  width: 8px; height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  transition: transform 0.2s ease;
}
.radio-item input:checked ~ .radio-custom {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}
.radio-item input:checked ~ .radio-custom::after { transform: translate(-50%, -50%) scale(1); }

.radio-label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Sucesso */
.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 48px 0;
  gap: 20px;
}
.form-success.visible { display: flex; }

.success-icon {
  width: 64px; height: 64px;
  background: rgba(0, 200, 120, 0.12);
  border: 1.5px solid rgba(0, 200, 120, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #22c55e;
  animation: bounceIn 0.5s ease;
}

@keyframes bounceIn {
  0%   { transform: scale(0.5); opacity: 0; }
  60%  { transform: scale(1.1); }
  100% { transform: scale(1);   opacity: 1; }
}

.form-success h3 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text-primary);
}
.form-success p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  max-width: 340px;
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════════════════ */
.footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-logo { width: 28px; height: 28px; object-fit: contain; }
.footer-brand-name {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color 0.15s;
}
.footer-links a:hover { color: var(--color-secondary); }

.footer-social {
  display: flex;
  gap: 12px;
}
.social-link {
  width: 36px; height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.social-link:hover {
  border-color: var(--color-primary);
  color: var(--color-secondary);
  background: rgba(124, 58, 237, 0.1);
}

.footer-bottom {
  text-align: center;
}
.footer-bottom p {
  font-size: 0.8125rem;
  color: var(--text-disabled);
}

/* ═══════════════════════════════════════════════════════════════════════════
   RESPONSIVO
   ═══════════════════════════════════════════════════════════════════════════ */

/* Tablet */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid  { grid-template-columns: repeat(2, 1fr); }
  .pricing-card--featured { transform: none; }
  .pricing-card--featured:hover { transform: translateY(-4px); }
}

/* Mobile */
@media (max-width: 768px) {

  :root {
    --section-gap: 80px;
    --nav-h: 60px;
  }

  /* Navbar mobile */
  .nav-menu {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(10, 10, 10, 0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 16px 24px 24px;
    transform: translateY(-110%);
    transition: transform 0.3s ease;
    z-index: 999;
  }
  .nav-menu.open { transform: translateY(0); }
  .nav-link { padding: 12px 0; width: 100%; font-size: 1rem; }

  .nav-ctas {
    position: fixed;
    top: calc(var(--nav-h) + 160px);
    left: 24px; right: 24px;
    flex-direction: column;
    transform: translateY(-300%);
    transition: transform 0.3s ease;
    z-index: 999;
    pointer-events: none;
  }
  .nav-ctas.open { transform: translateY(0); pointer-events: all; }
  .nav-ctas .btn { width: 100%; justify-content: center; padding: 13px; }

  .hamburger { display: flex; }

  /* Hero */
  .hero-title { font-size: clamp(2.2rem, 10vw, 3.5rem); }
  .hero-subtitle { font-size: 0.9375rem; }
  .hero-ctas { flex-direction: column; align-items: center; gap: 12px; }
  .hero-ctas .btn { width: 100%; max-width: 320px; justify-content: center; }

  /* Features */
  .features-grid { grid-template-columns: 1fr; }

  /* Stats */
  .stats-grid { grid-template-columns: 1fr; gap: 16px; }

  /* Pricing */
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card--featured { transform: none; }

  /* How it works */
  .step { flex-direction: column; gap: 16px; }
  .step-connector { height: 24px; margin-left: 24px; }

  /* Form */
  .lead-card { padding: 36px 24px; }
  .form-row  { grid-template-columns: 1fr; }
  .radio-group { gap: 8px; }

  /* Footer */
  .footer-top { flex-direction: column; align-items: flex-start; gap: 20px; }
  .footer-links { flex-wrap: wrap; }
}

@media (max-width: 480px) {
  .hero-badge { font-size: 0.75rem; padding: 6px 14px; }
  .lead-card  { padding: 28px 20px; }
  .stat-card  { padding: 28px 20px; }
}