/* Midnight Nebula Theme: dark, space-inspired styling for the portfolio. */

@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600&family=Inter:wght@400;500;600&display=swap");

:root {
  --space-bg: #020617;
  --space-bg-alt: #090f2b;
  --space-card: rgba(7, 11, 32, 0.9);
  --space-border: rgba(120, 142, 255, 0.35);
  --space-highlight: #b39aff;
  --space-highlight-2: #3efad6;
  --space-text: #f2f5ff;
  --space-muted: #9da7c8;
  --bs-font-sans-serif: "Inter", "Space Grotesk", sans-serif;
  --bs-link-color: var(--space-highlight);
  --tf-pill-bg: rgba(62, 250, 214, 0.17);
  --tf-icon-fill: var(--space-highlight);
  --tf-icon-hover: var(--space-highlight-2);
  --tf-page-bg-color: rgba(5, 9, 28, 0.9);
  --tf-projects-bg-color: rgba(6, 9, 30, 0.95);
  --tf-footer-bg-color: rgba(3, 5, 18, 0.92);
  --tf-essay-bg: rgba(7, 10, 32, 0.92);
}

body {
  background-color: var(--space-bg);
  background-image:
    radial-gradient(circle at 10% 20%, rgba(128, 94, 255, 0.18), transparent 45%),
    radial-gradient(circle at 80% 0%, rgba(48, 202, 255, 0.15), transparent 55%),
    linear-gradient(120deg, #01030d 0%, #050b1d 45%, #030714 100%);
  color: var(--space-text);
  font-family: var(--bs-font-sans-serif);
  min-height: 100vh;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 25px 25px, rgba(255, 255, 255, 0.45), transparent 50%),
    radial-gradient(1.5px 1.5px at 200px 150px, rgba(255, 255, 255, 0.35), transparent 50%),
    radial-gradient(2px 2px at 350px 75px, rgba(80, 181, 255, 0.45), transparent 50%);
  background-size: 400px 400px, 500px 500px, 300px 300px;
  opacity: 0.45;
  z-index: -1;
  animation: drift 120s linear infinite;
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(-200px, -150px, 0);
  }
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Space Grotesk", sans-serif;
  color: var(--space-text);
}

p,
.lead,
.card-text,
li {
  color: var(--space-text);
}

.text-muted {
  color: var(--space-muted) !important;
}

hr {
  border-color: rgba(255, 255, 255, 0.1);
}

a {
  color: var(--space-highlight);
  text-decoration: none;
  transition: color 0.2s ease, text-shadow 0.3s ease;
}

a:hover {
  color: var(--space-highlight-2);
  text-shadow: 0 0 12px rgba(62, 250, 214, 0.35);
}

.bg-gradient {
  background-image: none !important;
}

.tf-nav {
  background: rgba(4, 7, 20, 0.85) !important;
  border: 1px solid var(--space-border);
  box-shadow: 0 10px 30px rgba(2, 0, 28, 0.55);
  backdrop-filter: blur(14px);
}

.navbar-brand,
.navbar .nav-link {
  color: var(--space-text) !important;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.navbar .nav-link:hover {
  color: var(--space-highlight-2) !important;
}

.navbar {
  border-radius: 18px;
  margin: 1.25rem auto;
  width: min(1100px, 96%);
  padding: 0.25rem 1.25rem;
}

footer.navbar {
  margin-top: 3rem;
  border-radius: 20px 20px 0 0;
  border-top: 1px solid var(--space-border);
}

#projects,
#essays,
#about-section {
  border: 1px solid var(--space-border);
  border-radius: 28px;
  box-shadow: 0 20px 60px rgba(3, 6, 30, 0.7);
  margin-bottom: 3rem;
}

.card {
  background: var(--space-card);
  border: 1px solid var(--space-border);
  border-radius: 18px;
  box-shadow: 0 20px 45px rgba(2, 3, 19, 0.55);
  color: var(--space-text);
}

.card img {
  border-top-left-radius: 18px;
  border-bottom-left-radius: 18px;
  object-fit: cover;
}

.project-thumb {
  width: 100%;
  height: 180px;
  object-fit: cover;
  object-position: center;
}

@media (max-width: 768px) {
  .project-thumb {
    height: 160px;
    border-radius: 18px 18px 0 0 !important;
  }
}

.badge.rounded-pill {
  color: var(--space-highlight-2);
  border: 1px solid rgba(62, 250, 214, 0.35);
}

.tf-social-row {
  gap: 0.65rem;
}

.tf-social-row-lg {
  gap: 2.0rem;
}

.tf-social-row-lg .tf-social-link {
  padding: 0.7rem 1.8rem;
}

.tf-social-row-lg .tf-social {
  height: 1.3em !important;
  width: 1.3em !important;
}

.tf-social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(179, 154, 255, 0.35);
  color: var(--space-text);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.tf-social-link:hover {
  color: var(--space-highlight-2);
  border-color: rgba(62, 250, 214, 0.5);
  background: rgba(62, 250, 214, 0.08);
}

.btn,
.btn-outline-dark {
  border-radius: 999px;
  padding: 0.35rem 1.4rem;
  border: 1px solid var(--space-highlight);
  color: var(--space-text);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  background: transparent;
}

.btn:hover,
.btn-outline-dark:hover {
  background: linear-gradient(120deg, var(--space-highlight) 0%, var(--space-highlight-2) 100%);
  color: #05050f;
  border-color: transparent;
}

img.rounded-circle {
  border: 3px solid var(--space-border);
  box-shadow: 0 10px 35px rgba(7, 8, 19, 0.8);
}

.tf-social {
  fill: var(--space-highlight);
  height: 0.95em !important;
  width: 0.95em !important;
  display: inline-block;
  transition: transform 0.2s ease, fill 0.2s ease;
}

.tf-social:hover {
  fill: var(--space-highlight-2);
  transform: translateY(-2px);
}

.small,
small {
  color: var(--space-muted);
}

pre,
code {
  background: rgba(3, 4, 18, 0.8);
  color: var(--space-highlight-2);
  border-radius: 10px;
}

.container {
  position: relative;
  z-index: 2;
}

@media (max-width: 768px) {
  .navbar {
    width: 96%;
    border-radius: 14px;
  }

  .card img {
    border-radius: 18px 18px 0 0;
  }
}