/* ==========================================
   ADR CHIP TUNING - NEON PERFORMANCE THEME
   ========================================== */

/* ===== GENERAL SETTINGS ===== */
body {
  background-color: #000;
  color: #e5e5e5;
  font-family: 'Poppins', sans-serif;
  overflow-x: hidden;
}

/* ===== HEADER ===== */
header {
  background: linear-gradient(to right, #0a0a0a, #111);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 20px rgba(255, 0, 0, 0.1);
  transition: all 0.3s ease;
}

header:hover {
  box-shadow: 0 6px 25px rgba(255, 0, 0, 0.3);
}

nav a {
  position: relative;
  color: #fff;
  transition: all 0.3s ease;
}

nav a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, #ff0000, #4ecdc4);
  transition: width 0.3s ease;
}

nav a:hover::after {
  width: 100%;
}

/* ===== HERO SECTION ===== */
.hero-gradient {
  background: radial-gradient(circle at top, #111 0%, #000 80%);
  position: relative;
}

.hero-gradient::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('https://www.transparenttextures.com/patterns/carbon-fibre-v2.png');
  opacity: 0.1;
}

.hero-gradient h2 span {
  color: #ff1b1b;
  text-shadow: 0 0 10px #ff1b1b;
  animation: pulseGlow 2s infinite alternate;
}

@keyframes pulseGlow {
  from { text-shadow: 0 0 5px #ff1b1b; }
  to { text-shadow: 0 0 20px #ff1b1b; }
}

/* ===== SERVICE CARDS ===== */
.service-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(135deg, #ff0000, #4ecdc4);
  opacity: 0;
  z-index: 0;
  transition: opacity 0.4s ease;
  border-radius: 16px;
}

.service-card:hover::before {
  opacity: 1;
  filter: blur(10px);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 0 20px rgba(255, 0, 0, 0.3);
}

.service-card h4 {
  color: #fff;
  position: relative;
  z-index: 2;
}

.service-card i {
  text-shadow: 0 0 10px rgba(255, 0, 0, 0.8);
}

.tab-button {
  background: linear-gradient(135deg, #ff0000, #4ecdc4);
  color: #fff;
  font-weight: 600;
  border: none;
  transition: all 0.3s ease;
}

.tab-button:hover {
  transform: translateY(-3px);
  filter: brightness(1.3);
}

/* ===== SERVICE DETAILS ===== */
.service-details {
  display: none;
  animation: fadeIn 0.5s ease-in;
  background: rgba(255, 255, 255, 0.07);
  border-left: 3px solid #ff0000;
  border-radius: 10px;
  padding: 20px;
  margin-top: 20px;
  color: #ccc;
}

.active-details {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== PRICES SECTION ===== */
#preturi {
  background: radial-gradient(circle at center, #0d0d0d, #000);
}

#preturi .p-8 {
  background: linear-gradient(180deg, #111 0%, #000 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

#preturi .p-8:hover {
  transform: translateY(-10px);
  box-shadow: 0 0 25px rgba(255, 0, 0, 0.4);
}

/* ===== CONTACT SECTION ===== */
#contact form {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  box-shadow: 0 0 20px rgba(255, 0, 0, 0.1);
}

#contact input,
#contact textarea {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

#contact input:focus,
#contact textarea:focus {
  border-color: #ff0000;
  box-shadow: 0 0 10px rgba(255, 0, 0, 0.4);
}

#contact button {
  background: linear-gradient(135deg, #ff0000, #4ecdc4);
  color: #fff;
  font-weight: bold;
  transition: all 0.3s ease;
}

#contact button:hover {
  filter: brightness(1.2);
  transform: scale(1.03);
}

/* ===== PARTNERS SECTION ===== */
#parteneri {
  background: linear-gradient(90deg, #0a0a0a, #101010);
}

#parteneri img {
  transition: all 0.4s ease;
  filter: grayscale(100%) brightness(0.8);
}

#parteneri img:hover {
  filter: grayscale(0%) brightness(1.2);
  transform: scale(1.1);
}

/* ===== FOOTER ===== */
footer {
  background: linear-gradient(to right, #000, #111);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 -4px 15px rgba(255, 0, 0, 0.2);
}

footer a {
  color: #ff4d4d;
  transition: color 0.3s ease, text-shadow 0.3s ease;
}

footer a:hover {
  color: #4ecdc4;
  text-shadow: 0 0 10px #4ecdc4;
}

/* ===== ANIMATED BACKGROUND ===== */
.animated-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background: radial-gradient(circle at bottom, #020202, #000);
}

.piston {
  position: absolute;
  width: 16px;
  height: 36px;
  background: linear-gradient(to bottom, #ff0000, #ff4d4d);
  border-radius: 50% 50% 20% 20%;
  box-shadow: 0 0 15px #ff0000;
  animation: pistonMove 3s infinite ease-in-out;
  opacity: 0.8;
}

@keyframes pistonMove {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(20px); }
}

.gear {
  position: absolute;
  width: 60px;
  height: 60px;
  border: 2px solid #4ecdc4;
  border-radius: 50%;
  animation: rotate 15s infinite linear;
  box-shadow: 0 0 15px #4ecdc4;
}
<style>
  .sponsor-logo {
    transition: all 0.3s ease;
    filter: grayscale(100%);
  }
  
  .sponsor-logo:hover {
    filter: grayscale(0%);
    transform: scale(1.1);
  }
</style>



.gear::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 18px;
  height: 18px;
  background: #4ecdc4;
  border-radius: 50%;
}

@keyframes rotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  nav a::after { display: none; }
  .service-card:hover { transform: none; box-shadow: none; }
}