:root {
  --card-width: 360px;
  --card-height: 480px;
  --shadow-color: rgba(0, 0, 0, 0.15);
  --gradient-front: linear-gradient(135deg, #1e90ff, #00bfff);
  --gradient-back: linear-gradient(135deg, #ff6600, #ff9a00);
  --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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


html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
}


body {
  background: url('background.jpeg') no-repeat center center/cover;
  font-family: var(--font-family);
  color: #fff;
  position: relative;
}


.logo {
  position: absolute;
  top: 20px;                    
  left: 25%;                    
  transform: translateX(-50%);
  z-index: 1000;
}

.logo img {
  height: 60px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 5px rgba(0,0,0,0.5));
}


.contact-button {
  position: fixed;
  bottom: 30px;
  left: 25%;
  transform: translateX(-50%);
  z-index: 999;
}

.contact-button a {
  background-color: #ff6600;
  color: #fff;
  padding: 14px 28px;
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: bold;
  border-radius: 30px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.contact-button a:hover {
  background-color: #e65c00;
  transform: scale(1.05);
}


.card {
  position: absolute;
  top: 50%;
  left: 25%;
  transform: translate(-50%, -50%);
  width: var(--card-width);
  height: var(--card-height);
  perspective: 1200px;
  z-index: 10;
}

.card-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.7s cubic-bezier(0.4, 0.2, 0.2, 1);
  cursor: pointer;
}

.card.flipped .card-inner {
  transform: rotateY(180deg);
}


.card-front,
.card-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: 12px;
  box-shadow: 0 8px 24px var(--shadow-color);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: #fff;
}


.card-front {
  background: var(--gradient-front);
}

.card-front h1 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.card-front h2 {
  font-size: 1.2rem;
  font-weight: 400;
  margin-bottom: 1rem;
}

.card-front p {
  font-size: 1rem;
  line-height: 1.5;
  margin-bottom: 0.8rem;
}


.card-back {
  background: var(--gradient-back);
  transform: rotateY(180deg);
}

.card-back h2 {
  font-size: 1.6rem;
  margin-bottom: 1rem;
}

.card-back p {
  font-size: 1.4rem;
  font-weight: 600;
}