:root {
  --color-bg: #050505;
  --color-text: #ffffff;
  --color-primary: #ff3366;
  --color-secondary: #3366ff;
  --color-tertiary: #33ddff;
  --color-accent: #ffcc00;
  --card-radius: 16px;
  --card-bg: rgba(255, 255, 255, 0.03);
  --card-border: rgba(255, 255, 255, 0.1);
  --card-shadow: 0 15px 30px -12px rgba(0, 0, 0, 0.5);
  --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
}

.background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

.gradient-blob {
  position: absolute;
  border-radius: 100%;
  filter: blur(40px);
  opacity: 0.3;
  -webkit-animation: float 20s infinite alternate ease-in-out;
          animation: float 20s infinite alternate ease-in-out;
}

.gradient-blob:nth-child(1) {
  background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
  width: 150vw;
  height: 150vw;
  top: -100%;
  left: -25%;
  -webkit-animation-delay: 0s;
          animation-delay: 0s;
}

.gradient-blob:nth-child(2) {
  background: linear-gradient(to right, var(--color-tertiary), var(--color-secondary));
  width: 150vw;
  height: 150vw;
  bottom: -100%;
  right: -25%;
  -webkit-animation-delay: -5s;
          animation-delay: -5s;
}

.gradient-blob:nth-child(3) {
  background: linear-gradient(to right, var(--color-accent), var(--color-primary));
  width: 100vw;
  height: 100vw;
  top: 30%;
  left: -50%;
  -webkit-animation-delay: -10s;
          animation-delay: -10s;
}

@-webkit-keyframes float {
  0% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(2%, 2%) scale(1.02);
  }
  100% {
    transform: translate(-2%, -2%) scale(0.98);
  }
}

@keyframes float {
  0% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(2%, 2%) scale(1.02);
  }
  100% {
    transform: translate(-2%, -2%) scale(0.98);
  }
}
main {
  width: 100%;
  padding: 2rem 1rem;
  position: relative;
  z-index: 1;
}

h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  line-height: 1.1;
  background: linear-gradient(to right, var(--color-text), rgba(255, 255, 255, 0.7));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-align: center;
}

.subtitle {
  font-size: 1rem;
  text-align: center;
  margin-bottom: 3rem;
  opacity: 0.8;
}

.cards-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  perspective: 1000px;
}

.card {
  position: relative;
  height: 320px;
  border-radius: var(--card-radius);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow);
  transform-style: preserve-3d;
  transition: var(--transition);
  cursor: pointer;
  overflow: hidden;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--x, 50%) var(--y, 50%), rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.card-content {
  position: relative;
  height: 100%;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transform-style: preserve-3d;
  transition: transform 0.5s ease;
}

.card h2 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  font-weight: 700;
  transform: translateZ(20px);
  background: linear-gradient(to right, var(--color-text), rgba(255, 255, 255, 0.8));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.card p {
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  opacity: 0.8;
  transform: translateZ(15px);
}

.card-footer {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transform: translateZ(15px);
}

.card-button {
  padding: 0.6rem 1.2rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 100px;
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.3s ease;
  -webkit-backdrop-filter: blur(5px);
          backdrop-filter: blur(5px);
}

.card-button:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.card-icon {
  font-size: 1.25rem;
  opacity: 0.7;
  transition: transform 0.3s ease;
}

.card:hover .card-icon {
  transform: translateX(5px);
  opacity: 1;
}

@media (min-width: 640px) {
  main {
    padding: 5vh 2rem;
  }

  h1 {
    font-size: 3.5rem;
    margin-bottom: 0.75rem;
  }

  .subtitle {
    font-size: 1.1rem;
    margin-bottom: 4rem;
  }

  .card {
    height: 350px;
  }

  .card-content {
    padding: 1.75rem;
  }

  .card-tag {
    font-size: 0.75rem;
    padding: 0.5rem 1rem;
    margin-bottom: 1.25rem;
  }

  .card h2 {
    font-size: 1.6rem;
  }

  .card p {
    font-size: 1rem;
  }

  .card-button {
    padding: 0.7rem 1.4rem;
    font-size: 0.9rem;
  }

  .gradient-blob {
    filter: blur(50px);
    opacity: 0.35;
  }
}
@media (min-width: 768px) {
  .cards-container {
    grid-template-columns: repeat(2, 1fr);
  }

  .gradient-blob {
    filter: blur(60px);
    opacity: 0.4;
  }

  .gradient-blob:nth-child(1) {
    width: 120vw;
    height: 120vw;
    top: -70%;
    left: -20%;
  }

  .gradient-blob:nth-child(2) {
    width: 120vw;
    height: 120vw;
    bottom: -70%;
    right: -20%;
  }

  .gradient-blob:nth-child(3) {
    width: 80vw;
    height: 80vw;
    top: 30%;
    left: -30%;
  }

  .card-content {
    padding: 2rem;
  }

  .card h2 {
    transform: translateZ(25px);
  }

  .card-tag {
    transform: translateZ(20px);
  }

  .card p {
    transform: translateZ(20px);
  }
}
@media (min-width: 1024px) {
  main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10vh 2rem;
  }

  h1 {
    font-size: 4.5rem;
  }

  .subtitle {
    font-size: 1.25rem;
  }

  .cards-container {
    grid-template-columns: repeat(3, 1fr);
  }

  .card {
    height: 400px;
    border-radius: 24px;
  }

  .gradient-blob {
    filter: blur(80px);
    opacity: 0.5;
  }

  .gradient-blob:nth-child(1) {
    width: 60vw;
    height: 60vw;
    top: -20%;
    left: -10%;
  }

  .gradient-blob:nth-child(2) {
    width: 60vw;
    height: 60vw;
    bottom: -30%;
    right: -10%;
  }

  .gradient-blob:nth-child(3) {
    width: 40vw;
    height: 40vw;
    top: 40%;
    left: 30%;
  }

  .card h2 {
    font-size: 1.75rem;
    transform: translateZ(30px);
  }

  .card-tag {
    transform: translateZ(20px);
  }

  .card p {
    transform: translateZ(25px);
  }

  .card-footer {
    transform: translateZ(20px);
  }
}