:root {
  --bg-dark: #0a0a0c;
  --bg-card: rgba(255, 255, 255, 0.03);
  --border-card: rgba(255, 255, 255, 0.1);
  --text-primary: #ffffff;
  --text-secondary: #a0a0ab;
  --accent-primary: #6366f1; /* Indigo */
  --accent-secondary: #ec4899; /* Pink */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --glass-blur: 12px;
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  left: -10%;
  width: 50%;
  height: 60%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
  filter: blur(60px);
  z-index: -1;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -10%;
  right: -5%;
  width: 40%;
  height: 50%;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.1) 0%, transparent 70%);
  filter: blur(60px);
  z-index: -1;
}

.hero-content {
  max-width: 800px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeIn 1s ease-out forwards;
}

.hero h1 {
  font-size: clamp(3rem, 10vw, 6rem);
  background: linear-gradient(to right, #fff, #a0a0ab);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.hero p {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-inline: auto;
}

.cta-button {
  display: inline-block;
  padding: 1rem 2rem;
  background: white;
  color: black;
  text-decoration: none;
  border-radius: 99px;
  font-weight: 600;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

/* Portfolio Section */
.portfolio {
  padding: 8rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  margin-bottom: 4rem;
  text-align: center;
}

.section-header h2 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

/* App Card */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 24px;
  overflow: hidden;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), border-color 0.3s ease;
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-10px);
  border-color: rgba(255, 255, 255, 0.3);
}

.card-image {
  width: 100%;
  height: 240px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.card:hover .card-image {
  transform: scale(1.05);
}

.card-content {
  padding: 1.5rem;
  flex-grow: 1;
}

.card-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 99px;
  font-size: 0.8rem;
  color: var(--accent-primary);
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Animations */
@keyframes fadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll Animation Helper */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Footer */
.main-footer {
  padding: 4rem 2rem;
  border-top: 1px solid var(--border-card);
  margin-top: 4rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--text-primary);
}

/* Responsive Styles */
@media (max-width: 768px) {
  .hero {
    padding-top: 5rem;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .footer-content {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
}