/* -----------------------------------------
   BUTTONS SYSTEM
   ----------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 28px;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-copper) 0%, var(--primary-copper-glow) 100%);
  color: var(--text-white);
  box-shadow: var(--glow-orange);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 30px rgba(249, 115, 22, 0.6);
  filter: brightness(1.1);
}

.btn-whatsapp {
  background-color: var(--whatsapp-green);
  color: var(--text-white);
  box-shadow: var(--glow-green);
}

.btn-whatsapp:hover {
  transform: translateY(-3px);
  background-color: var(--whatsapp-green-hover);
  box-shadow: 0 0 30px rgba(34, 197, 94, 0.6);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-white);
}

.btn-outline:hover {
  background: rgba(0, 229, 255, 0.05);
  border-color: var(--primary-glow);
  color: var(--primary-glow);
  box-shadow: var(--glow-blue);
  transform: translateY(-2px);
}

.btn-cyan {
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.1) 0%, rgba(56, 189, 248, 0.2) 100%);
  border: 1px solid var(--primary-glow);
  color: var(--primary-glow);
  box-shadow: var(--glow-blue);
}

.btn-cyan:hover {
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.2) 0%, rgba(56, 189, 248, 0.3) 100%);
  box-shadow: var(--glow-blue-strong);
  transform: translateY(-3px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.9rem;
  border-radius: 8px;
}

/* -----------------------------------------
   HEADER & NAVIGATION
   ----------------------------------------- */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition-smooth);
  border-bottom: 1px solid rgba(0, 229, 255, 0.03);
}

header.scrolled {
  background-color: rgba(6, 11, 21, 0.85);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-bottom: 1px solid rgba(0, 229, 255, 0.15);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 85px;
  transition: var(--transition-smooth);
}

header.scrolled .nav-container {
  height: 70px;
}

/* Logo Design */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 45px;
  height: 45px;
  filter: drop-shadow(0 0 8px rgba(0, 229, 255, 0.5));
  transition: var(--transition-smooth);
}

.logo:hover .logo-icon {
  transform: scale(1.1) rotate(5deg);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--text-white);
  line-height: 1.1;
  background: linear-gradient(135deg, var(--text-white) 40%, var(--primary-glow) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-subtitle {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-silver);
  letter-spacing: 0.5px;
}

/* Navigation Links */
.nav-menu {
  display: flex;
  list-style: none;
  gap: 20px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--primary-silver);
  padding: 8px 12px;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 12px;
  left: 12px;
  height: 2px;
  background-color: var(--primary-glow);
  transform: scaleX(0);
  transition: var(--transition-smooth);
  box-shadow: var(--glow-blue);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Hamburger menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  cursor: pointer;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--text-white);
  border-radius: 3px;
  transition: var(--transition-smooth);
}

/* Mobile Menu open styling */
.menu-toggle.active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* -----------------------------------------
   CARDS SYSTEM
   ----------------------------------------- */
.card-premium {
  background: linear-gradient(135deg, rgba(14, 23, 42, 0.7) 0%, rgba(14, 23, 42, 0.9) 100%);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  padding: 30px;
  box-shadow: var(--shadow-premium);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.card-premium::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.1) 0%, transparent 100%);
  opacity: 0;
  transition: var(--transition-smooth);
  pointer-events: none;
}

.card-premium:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 229, 255, 0.3);
  box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.8), var(--glow-blue);
}

.card-premium:hover::before {
  opacity: 1;
}

.card-icon-container {
  width: 60px;
  height: 60px;
  border-radius: 14px;
  background: rgba(0, 229, 255, 0.07);
  border: 1px solid rgba(0, 229, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--primary-glow);
  transition: var(--transition-smooth);
  filter: drop-shadow(0 0 5px rgba(0, 229, 255, 0.2));
}

.card-premium:hover .card-icon-container {
  background: var(--primary-glow);
  color: var(--bg-deep);
  transform: scale(1.1) rotate(5deg);
  filter: drop-shadow(0 0 10px rgba(0, 229, 255, 0.6));
}

/* -----------------------------------------
   STICKY CONVERSION BAR (MOBILE)
   ----------------------------------------- */
.mobile-sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(9, 16, 32, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid rgba(0, 229, 255, 0.2);
  padding: 12px 16px;
  display: none;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  z-index: 999;
  box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.5);
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-sticky-bar.visible {
  transform: translateY(0);
}

.mobile-sticky-bar .btn {
  flex: 1;
  padding: 10px 15px;
  font-size: 0.9rem;
  border-radius: 10px;
}

/* -----------------------------------------
   FOOTER
   ----------------------------------------- */
footer {
  background: var(--bg-darker);
  border-top: 1px solid rgba(0, 229, 255, 0.1);
  padding: 80px 0 40px 0;
  position: relative;
  overflow: hidden;
}

footer::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 200px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 1.5fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-col-about {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-about-text {
  color: var(--text-silver);
  font-size: 0.95rem;
}

.footer-col-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 25px;
  position: relative;
  display: inline-block;
  padding-bottom: 10px;
}

.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 40px;
  height: 2px;
  background: var(--primary-glow);
  box-shadow: var(--glow-blue);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link a {
  color: var(--text-silver);
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-link a:hover {
  color: var(--primary-glow);
  padding-right: 5px;
}

.footer-contacts {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--text-silver);
  font-size: 0.95rem;
}

.footer-contact-item svg {
  flex-shrink: 0;
  margin-top: 4px;
  color: var(--primary-glow);
  width: 18px;
  height: 18px;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

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

.footer-credits {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* -----------------------------------------
   MEDIA QUERIES (COMPONENTS)
   ----------------------------------------- */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(6, 11, 21, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 5px 0 30px rgba(0, 0, 0, 0.8);
    flex-direction: column;
    padding: 100px 30px 40px 30px;
    transition: var(--transition-smooth);
    z-index: 1000;
  }

  .nav-menu.active {
    left: 0;
  }

  .menu-toggle {
    display: flex;
  }

  .nav-actions {
    display: none; /* Hidden on mobile header, action is in sticky bar & toggle */
  }

  .nav-container {
    height: 70px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .mobile-sticky-bar {
    display: flex;
  }
  
  body {
    padding-bottom: 70px; /* Offset for mobile sticky bar */
  }
}