/* -------------------------------------------------------------------------- */
/* CONFIGURATION & VARIABLES                                                  */
/* -------------------------------------------------------------------------- */
:root {
  /* "Zinc" Color Palette (Dark Theme Standard) */
  --background: #09090b;
  --card-bg: transparent;
  --card-border: #27272a;
  --card-hover: #18181b;

  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;

  --badge-bg: #27272a;
  --badge-text: #fafafa;
}

/* -------------------------------------------------------------------------- */
/* RESET & BASE STYLES                                                        */
/* -------------------------------------------------------------------------- */
body {
  background-color: var(--background);
  /* Radial gradient: Creates a "spotlight" effect at top-center */
  background-image: radial-gradient(
    circle at 50% 0%,
    #27272a 0%,
    transparent 60%
  );
  background-attachment: fixed; /* Prevents gradient from scrolling on mobile */
  color: var(--text-primary);
  font-family: "Inter", sans-serif;
  margin: 0;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  -webkit-font-smoothing: antialiased; /* Crisp text on MacOS/iOS */
}

/* Main Container Layout */
.container {
  width: 100%;
  max-width: 600px;
  padding: 2rem;
  box-sizing: border-box;
}

/* Mobile Optimization */
@media (max-width: 640px) {
  .container {
    padding: 1.5rem; /* Less padding on small screens */
    align-items: flex-start; /* Better alignment on tall mobile screens */
    padding-top: 4rem;
  }
}

/* -------------------------------------------------------------------------- */
/* HEADER SECTION                                                             */
/* -------------------------------------------------------------------------- */
.header {
  margin-bottom: 3rem;
  animation: fade-in 0.8s ease-out forwards;
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--badge-text);
  background-color: var(--badge-bg);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px; /* Full pill shape */
  border: 1px solid #3f3f46;
  margin-bottom: 1rem;
  user-select: none;
}

.title {
  font-size: 2.5rem;
  font-weight: 700;
  margin: 0 0 0.5rem 0;
  letter-spacing: -0.05em;
  text-wrap: balance; /* Prevents typographic widows */
}

.subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  margin: 0;
  line-height: 1.6;
  text-wrap: balance;
}

/* Mobile Text Adjustment */
@media (max-width: 640px) {
  .title {
    font-size: 2rem;
  }
  .subtitle {
    font-size: 0.95rem;
  }
}

.socials {
  margin-top: 1rem;
  display: flex;
  gap: 1rem;
}

.socials a {
  color: var(--text-secondary);
  transition: color 0.2s ease;
  display: flex;
  align-items: center;
}

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

/* -------------------------------------------------------------------------- */
/* PROJECTS GRID                                                              */
/* -------------------------------------------------------------------------- */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  opacity: 0; /* Hidden initially for animation */
  transform: translateY(20px);
  animation: slide-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: 0.2s;
}

/* -------------------------------------------------------------------------- */
/* CARD COMPONENT                                                             */
/* -------------------------------------------------------------------------- */
.card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 0.5rem;
  padding: 1.5rem;
  text-decoration: none;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
  overflow: hidden; /* Contains internal animations */
}

/* Interactive States */
.card:hover,
.card:focus-visible {
  background-color: var(--card-hover);
  border-color: #3f3f46;
  transform: translateY(-2px);
  outline: none;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.card-icon {
  width: 24px;
  height: 24px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
}

/* Animated External Link Arrow */
.external-link-icon {
  margin-left: 6px;
  opacity: 0;
  transform: translate(-4px, 4px);
  transition: all 0.2s ease;
  color: var(--text-secondary);
}

.card:hover .external-link-icon,
.card:focus-visible .external-link-icon {
  opacity: 1;
  transform: translate(0, 0);
}

.card-content p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.card-footer {
  margin-top: auto;
  padding-top: 0.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-tag {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  background-color: rgba(255, 255, 255, 0.05); /* Very subtle background */
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
}

/* -------------------------------------------------------------------------- */
/* ANIMATIONS                                                                 */
/* -------------------------------------------------------------------------- */
@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slide-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}