/* =============================================
   ZAIA GRUPO – Main Stylesheet
   ============================================= */

/* ---- Variables ---- */
:root {
  --primary: #00d4ff;
  --primary-dark: #0099cc;
  --accent: #ff6b35;
  --accent-glow: #ff6b3580;
  --bg-dark: #050d1a;
  --bg-card: #0a1628;
  --bg-card2: #0d1f3c;
  --text-light: #e2e8f0;
  --text-muted: #94a3b8;
  --border: #1e3a5f;
  --gradient-primary: linear-gradient(135deg, #00d4ff, #0066ff);
  --gradient-accent: linear-gradient(135deg, #ff6b35, #ff2d55);
  --gradient-dark: linear-gradient(180deg, #050d1a 0%, #071224 100%);
  --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.2);
  --radius: 16px;
  --radius-sm: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-light);
  line-height: 1.6;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

/* ---- Utility ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.text-accent { color: var(--primary); }
.text-center { text-align: center; }

/* =============================================
   NAVBAR
   ============================================= */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1rem 0;
  background: rgba(5, 13, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 212, 255, 0.1);
  transition: var(--transition);
}

.navbar.scrolled {
  padding: 0.6rem 0;
  background: rgba(5, 13, 26, 0.97);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'Orbitron', sans-serif;
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: 2px;
  color: #fff;
}

.logo-icon {
  width: 40px; height: 40px;
  background: var(--gradient-primary);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: #fff;
  box-shadow: var(--shadow-glow);
}

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

.nav-links {
  display: flex;
  gap: 0.25rem;
}

.nav-links a {
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--primary);
  background: rgba(0, 212, 255, 0.08);
}

.btn-whatsapp-nav {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: #fff;
  padding: 0.5rem 1.2rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-whatsapp-nav:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-light);
  border-radius: 2px;
  transition: var(--transition);
}

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 7rem 1.5rem 4rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -20%, rgba(0, 212, 255, 0.15) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(255, 107, 53, 0.08) 0%, transparent 60%),
    var(--gradient-dark);
  z-index: 0;
}

/* Grid lines animation */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: grid-move 20s linear infinite;
}

@keyframes grid-move {
  0% { transform: translateY(0); }
  100% { transform: translateY(60px); }
}

.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.particle {
  position: absolute;
  width: 3px; height: 3px;
  background: var(--primary);
  border-radius: 50%;
  opacity: 0;
  animation: float-particle linear infinite;
}

@keyframes float-particle {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 0.6; }
  90% { opacity: 0.4; }
  100% { transform: translateY(-20px) scale(1.5); opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  color: var(--primary);
  padding: 0.4rem 1.2rem;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  animation: pulse-border 3s ease-in-out infinite;
}

@keyframes pulse-border {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,212,255,0.2); }
  50% { box-shadow: 0 0 0 8px rgba(0,212,255,0); }
}

.hero-title {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(3rem, 10vw, 6.5rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 4px;
  color: #fff;
  margin-bottom: 1rem;
  text-shadow: 0 0 40px rgba(0, 212, 255, 0.3);
}

.hero-title .text-accent {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 20px rgba(0,212,255,0.5));
}

.hero-subtitle {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.hero-desc {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto 2rem;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-num {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 0.25rem;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.hero-scroll a {
  color: var(--text-muted);
  font-size: 1.2rem;
  animation: bounce 2s ease-in-out infinite;
  display: block;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  letter-spacing: 0.5px;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(0,212,255,0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,212,255,0.5);
}

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

.btn-outline:hover {
  background: var(--primary);
  color: var(--bg-dark);
  transform: translateY(-3px);
}

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

/* =============================================
   SECTIONS
   ============================================= */
.section {
  padding: 5rem 0;
  position: relative;
}

.section-dark {
  background: rgba(10, 22, 40, 0.8);
}

.section-dark::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0.3;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-tag {
  display: inline-block;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.25);
  color: var(--primary);
  padding: 0.3rem 1rem;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.section-title {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.8rem;
  letter-spacing: 1px;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* =============================================
   SERVICES GRID
   ============================================= */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: var(--transition);
}

.service-card:hover {
  border-color: rgba(0, 212, 255, 0.4);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.4), var(--shadow-glow);
}

.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 60px; height: 60px;
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 1.2rem;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: rgba(0,212,255,0.2);
  box-shadow: 0 0 20px rgba(0,212,255,0.3);
  transform: scale(1.1);
}

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.6rem;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1.2rem;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  font-size: 0.88rem;
  font-weight: 600;
  transition: var(--transition);
}

.service-link:hover { gap: 0.8rem; }

/* =============================================
   PRODUCTS GRID (3D)
   ============================================= */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.product-card {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: rgba(255,107,53,0.4);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.5), 0 0 30px rgba(255,107,53,0.15);
}

.product-badge {
  position: absolute;
  top: 1rem; right: 1rem;
  background: var(--gradient-accent);
  color: #fff;
  padding: 0.2rem 0.7rem;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.product-badge.new { background: linear-gradient(135deg, #10b981, #059669); }

.product-icon {
  width: 70px; height: 70px;
  background: rgba(255,107,53,0.1);
  border: 1px solid rgba(255,107,53,0.2);
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  color: var(--accent);
  margin-bottom: 1.2rem;
  transition: var(--transition);
}

.product-card:hover .product-icon {
  background: rgba(255,107,53,0.2);
  box-shadow: 0 0 20px rgba(255,107,53,0.3);
  transform: scale(1.1) rotate(5deg);
}

.product-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.6rem;
}

.product-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 1.2rem;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: auto;
}

.product-price {
  font-size: 0.88rem;
  color: var(--primary);
  font-weight: 600;
}

.btn-buy {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: #fff;
  padding: 0.45rem 1rem;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  transition: var(--transition);
}

.btn-buy:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37,211,102,0.4);
}

/* =============================================
   VIDEOS SECTION
   ============================================= */
.videos-main-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.video-feature {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.video-feature:hover {
  border-color: rgba(0,212,255,0.4);
  box-shadow: var(--shadow-glow);
}

.video-label {
  padding: 0.75rem 1rem;
  background: rgba(255,0,0,0.15);
  border-bottom: 1px solid rgba(255,0,0,0.2);
  color: #ff4d4d;
  font-size: 0.82rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.video-wrap {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  background: #000;
}

.video-wrap iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: none;
}

/* Shorts */
.shorts-header {
  text-align: center;
  margin-bottom: 2rem;
}

.shorts-header h3 {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.4rem;
}

.shorts-header p { color: var(--text-muted); font-size: 0.9rem; }

.shorts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2rem;
}

.short-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.short-card:hover {
  border-color: rgba(255,0,0,0.4);
  box-shadow: 0 10px 40px rgba(255,0,0,0.15);
  transform: translateY(-4px);
}

.short-label {
  font-size: 0.76rem;
  padding: 0.5rem 0.8rem;
}

.video-wrap.short-wrap {
  padding-top: 177.78%; /* 9:16 aspect ratio */
}

/* =============================================
   DIFERENCIAIS
   ============================================= */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.diff-item {
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
  padding: 1.5rem;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.diff-item:hover {
  border-color: rgba(0,212,255,0.3);
  transform: translateY(-4px);
}

.diff-item > i {
  font-size: 1.8rem;
  color: var(--primary);
  width: 50px; height: 50px;
  background: rgba(0,212,255,0.1);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

.diff-item h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.3rem;
}

.diff-item p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* =============================================
   CONTATO
   ============================================= */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.contact-card {
  padding: 2.5rem 2rem;
  border-radius: var(--radius);
  text-align: center;
  transition: var(--transition);
  border: 1px solid transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.contact-card:hover { transform: translateY(-8px); }

.contact-whatsapp {
  background: linear-gradient(135deg, rgba(37,211,102,0.12), rgba(18,140,126,0.1));
  border-color: rgba(37,211,102,0.25);
}
.contact-whatsapp:hover { box-shadow: 0 20px 50px rgba(37,211,102,0.25); border-color: #25d366; }

.contact-instagram {
  background: linear-gradient(135deg, rgba(253,88,73,0.12), rgba(131,58,180,0.1));
  border-color: rgba(253,88,73,0.25);
}
.contact-instagram:hover { box-shadow: 0 20px 50px rgba(253,88,73,0.25); border-color: #fd5849; }

.contact-facebook {
  background: linear-gradient(135deg, rgba(24,119,242,0.12), rgba(0,68,153,0.1));
  border-color: rgba(24,119,242,0.25);
}
.contact-facebook:hover { box-shadow: 0 20px 50px rgba(24,119,242,0.25); border-color: #1877f2; }

.contact-card-icon {
  width: 70px; height: 70px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.contact-whatsapp .contact-card-icon { background: rgba(37,211,102,0.15); color: #25d366; }
.contact-instagram .contact-card-icon { background: rgba(253,88,73,0.15); color: #fd5849; }
.contact-facebook .contact-card-icon { background: rgba(24,119,242,0.15); color: #1877f2; }

.contact-card h3 { font-size: 1.1rem; font-weight: 700; color: #fff; }
.contact-card p { font-size: 0.9rem; color: var(--text-muted); }

.contact-action {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  margin-top: 0.5rem;
}

.contact-whatsapp .contact-action { color: #25d366; }
.contact-instagram .contact-action { color: #fd5849; }
.contact-facebook .contact-action { color: #1877f2; }

/* Form */
.contact-form-wrap {
  max-width: 700px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
}

.form-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1.5rem;
  text-align: center;
}

.contact-form { display: flex; flex-direction: column; gap: 1.2rem; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.form-group label i { color: var(--primary); font-size: 0.8rem; }

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--text-light);
  font-size: 0.9rem;
  font-family: 'Inter', sans-serif;
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: #4a5568; }

.form-group select option { background: var(--bg-dark); color: var(--text-light); }

.form-group textarea { resize: vertical; min-height: 100px; }

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: #020810;
  border-top: 1px solid var(--border);
  padding: 4rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  padding-bottom: 3rem;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'Orbitron', sans-serif;
  font-size: 1.2rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: 1rem;
}

.footer-brand .footer-logo i {
  color: var(--primary);
  font-size: 1.4rem;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  gap: 0.8rem;
}

.footer-social a {
  width: 40px; height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  font-size: 1rem;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--bg-dark);
  transform: translateY(-3px);
}

.footer-links h4, .footer-contact h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1.2rem;
  position: relative;
  padding-bottom: 0.6rem;
}

.footer-links h4::after, .footer-contact h4::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 30px; height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.footer-links ul { display: flex; flex-direction: column; gap: 0.6rem; }

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.footer-links a:hover { color: var(--primary); padding-left: 4px; }

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 0.8rem;
  transition: var(--transition);
}

.footer-contact-item:hover { color: var(--primary); }

.footer-contact-item i { color: var(--primary); width: 16px; }

.footer-whatsapp-btn { margin-top: 1.2rem; }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-bottom p { font-size: 0.82rem; color: var(--text-muted); }

/* =============================================
   WHATSAPP FLOAT
   ============================================= */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  width: 62px; height: 62px;
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 6px 25px rgba(37,211,102,0.5);
  transition: var(--transition);
  animation: pulse-float 2.5s ease-in-out infinite;
}

.whatsapp-float:hover {
  transform: scale(1.15);
  box-shadow: 0 10px 35px rgba(37,211,102,0.7);
}

.whatsapp-tooltip {
  position: absolute;
  right: 72px;
  background: var(--bg-card);
  color: #fff;
  border: 1px solid var(--border);
  padding: 0.4rem 0.9rem;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  transform: translateX(10px);
}

.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

@keyframes pulse-float {
  0%, 100% { box-shadow: 0 6px 25px rgba(37,211,102,0.5); }
  50% { box-shadow: 0 6px 40px rgba(37,211,102,0.8), 0 0 0 12px rgba(37,211,102,0.08); }
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .videos-main-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: fixed; top: 70px; left: 0; right: 0; background: rgba(5,13,26,0.98); backdrop-filter: blur(20px); padding: 1.5rem; gap: 0.3rem; border-bottom: 1px solid var(--border); z-index: 999; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.7rem 1rem; font-size: 1rem; }
  .btn-whatsapp-nav { display: none; }
  .hamburger { display: flex; }

  .hero-title { font-size: clamp(2.5rem, 12vw, 4rem); }
  .hero-stats { gap: 1rem; }
  .stat-divider { display: none; }

  .form-row { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .shorts-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid, .products-grid { grid-template-columns: 1fr; }
  .diff-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }

  .contact-form-wrap { padding: 1.5rem; }
}

@media (max-width: 480px) {
  .hero-buttons { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; max-width: 300px; }
  .shorts-grid { grid-template-columns: 1fr; }
  .whatsapp-float { bottom: 1.2rem; right: 1.2rem; width: 55px; height: 55px; font-size: 1.5rem; }
  .videos-main-grid { grid-template-columns: 1fr; }
}