/* forsedan.css */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Montserrat', sans-serif;
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #1a1a1a 100%);
  color: #fff;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Tire track pattern background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    repeating-linear-gradient(90deg, transparent, transparent 50px, rgba(255,255,255,0.02) 50px, rgba(255,255,255,0.02) 52px);
  pointer-events: none;
  z-index: 0;
}

/* Header */
header {
  width: 100%;
  background-color: #000;
  color: #fff;
  padding: 1.2rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.logo-container {
  display: flex;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  letter-spacing: 2px;
  color: #e60012;
  text-shadow: 0 0 20px rgba(230, 0, 18, 0.5);
}

.return-button {
  padding: 10px 25px;
  background: linear-gradient(135deg, rgba(230,0,18,0.1) 0%, rgba(180,0,14,0.1) 100%);
  border: 2px solid #e60012;
  color: #e60012;
  text-decoration: none;
  font-weight: 600;
  border-radius: 6px;
  transition: all 0.3s ease;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 1px;
  position: relative;
  overflow: hidden;
}

.return-button::before {
  content: '←';
  margin-right: 8px;
  font-size: 1.1rem;
  transition: transform 0.3s ease;
  display: inline-block;
}

.return-button:hover {
  background: linear-gradient(135deg, rgba(230,0,18,0.2) 0%, rgba(180,0,14,0.2) 100%);
  box-shadow: 0 0 20px rgba(230,0,18,0.4);
  transform: translateY(-2px);
}

.return-button:hover::before {
  transform: translateX(-5px);
}

/* Main Content */
.container {
  padding-top: 120px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  padding-bottom: 3rem;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 15px;
  font-weight: 700;
  text-align: center;
  background: linear-gradient(135deg, #ffffff 0%, #cccccc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 1px;
}

.subtitle {
  font-size: 1.1rem;
  color: #999;
  margin-bottom: 60px;
  text-align: center;
  font-weight: 400;
}

/* Manufacturer Card Grid */
.logo-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 40px;
  max-width: 1200px;
  padding: 0 20px;
}

.logo-card {
  position: relative;
  width: 320px;
  height: 420px;
  background: linear-gradient(135deg, rgba(50,50,50,0.15) 0%, rgba(30,30,30,0.15) 100%);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  text-decoration: none;
  transition: all 0.4s ease;
  cursor: pointer;
  box-shadow: 0 10px 40px rgba(0,0,0,0.6);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  overflow: hidden;
}

/* Glint hover effect */
.logo-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transform: rotate(45deg);
  transition: all 0.6s ease;
}

.logo-card:hover::before {
  left: 100%;
}

.logo-card:hover {
  transform: translateY(-15px) scale(1.02);
  border-color: rgba(230, 0, 18, 0.8);
  box-shadow: 0 20px 60px rgba(230, 0, 18, 0.4);
  background: linear-gradient(135deg, rgba(50,50,50,0.25) 0%, rgba(30,30,30,0.25) 100%);
}

.card-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  pointer-events: none;
}

.logo-image {
  width: 200px;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 30px;
  background: rgba(255,255,255,0.03);
  border-radius: 50%;
  padding: 30px;
  transition: all 0.4s ease;
  position: relative;
  z-index: 2;
  border: 2px solid rgba(255,255,255,0.1);
}

.logo-card:hover .logo-image {
  background: rgba(255,255,255,0.08);
  transform: scale(1.1);
  border-color: rgba(230, 0, 18, 0.3);
}

.logo-image img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 0 10px rgba(230, 0, 18, 0.3));
  transition: filter 0.4s ease;
}

.logo-card:hover .logo-image img {
  filter: drop-shadow(0 0 20px rgba(230, 0, 18, 0.6));
}

.logo-name {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 3px;
  color: #e60012;
  text-shadow: 0 0 20px rgba(230, 0, 18, 0.4);
  transition: all 0.4s ease;
  position: relative;
  z-index: 2;
  text-transform: uppercase;
}

.logo-card:hover .logo-name {
  transform: scale(1.08);
  text-shadow: 0 0 30px rgba(230, 0, 18, 0.8);
  letter-spacing: 4px;
}

/* Responsive */
@media (max-width: 1024px) {
  .logo-grid {
    gap: 30px;
  }
  
  .logo-card {
    width: 280px;
    height: 380px;
  }

  .logo-image {
    width: 170px;
    height: 170px;
    padding: 25px;
  }

  .logo-name {
    font-size: 1.6rem;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 1.8rem;
    padding: 0 20px;
  }

  .subtitle {
    font-size: 0.95rem;
    padding: 0 20px;
    margin-bottom: 40px;
  }

  .logo-grid {
    gap: 25px;
  }

  .logo-card {
    width: 260px;
    height: 360px;
    padding: 30px;
  }

  .logo-image {
    width: 150px;
    height: 150px;
    padding: 20px;
    margin-bottom: 25px;
  }

  .logo-name {
    font-size: 1.5rem;
  }

  .return-button {
    padding: 8px 18px;
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  header {
    padding: 1rem 1rem;
  }

  .logo {
    font-size: 1.2rem;
  }

  .logo-grid {
    gap: 20px;
  }

  .logo-card {
    width: 240px;
    height: 340px;
    padding: 25px;
  }

  .logo-image {
    width: 130px;
    height: 130px;
    padding: 18px;
    margin-bottom: 20px;
  }

  .logo-name {
    font-size: 1.3rem;
    letter-spacing: 2px;
  }
}