/* ==============================
   Base Reset & Typography
   ============================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: #fafafa;
  color: #333;
  font-family: 'Source Sans Pro', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ==============================
   Header & Title
   ============================== */
header {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1rem;
}

h1.blog-title {
  font-family: 'Lora', serif;
  font-weight: 800;
  font-size: 2.75rem;
  text-align: center;
  background: linear-gradient(90deg, #f43f5e, #f97316, #f43f5e);
  background-size: 200% 200%;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientShift 8s ease infinite, floatTitle 6s ease-in-out infinite;
  text-shadow: 0 0 12px rgba(244, 63, 94, 0.3);
}

.tagline {
  text-align: center;
  font-size: 1.1rem;
  color: #f87171;
  margin-top: -0.25rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px dotted #fca5a5;
}

#about {
  margin: 2rem auto;
  max-width: 640px;
  background: linear-gradient(135deg, #fdf6f0, #f0f4ff); /* warm blush to soft blue */
  padding: 1.5rem 2rem;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
  font-size: 1rem;
  line-height: 1.7;
  color: #2c2c2c;
  backdrop-filter: blur(2px);
}

#about h2 {
  margin-top: 0;
  font-size: 1.3rem;
  font-weight: 600;
  color: #8e6e8c;
  border-bottom: 1px solid rgba(0,0,0,0.1);
  padding-bottom: 0.3rem;
  letter-spacing: 0.5px;
}

.about-profile {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.about-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.about-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.about-text p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.6;
  color: #2c2c2c;
}

/* ==============================
   Main Content Container
   ============================== */
#links {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* ==============================
   Card Layout
   ============================== */
.link-card {
  background: #fff;
  border-radius: 10px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  border: 1px solid #e5e7eb;
}

.link-card h2 {
  font-family: 'Lora', Georgia, 'Times New Roman', serif;
  font-weight: 700;
  font-size: 1.6rem;
  margin: 0 0 0.5rem;
  color: #1a1a1a;
}

.link-card p {
  margin-bottom: 1rem;
  font-size: 1rem;
  color: #222;
  line-height: 1.6;
}

.link-card p strong {
  font-weight: 700;
  color: #333;
}

.link-card p em {
  font-style: italic;
  color: #555;
}

.link-card p u {
  text-decoration: underline;
  text-decoration-color: #ff6ec4;
  text-decoration-thickness: 2px;
}

.link-card blockquote {
  margin: 1rem 0;
  padding-left: 1rem;
  border-left: 3px solid #ff6ec4;
  color: #555;
  font-style: normal;
}

.link-card small {
  display: block;
  margin-top: 1rem;
  font-size: 0.875rem;
  color: #666;
  font-style: italic;
  letter-spacing: 0.3px;
}

.link-card .card-date,
.link-date {
  text-align: right;
  font-size: 1rem;
  color: #888;
  margin-top: 1rem;
  font-style: normal;
}

/* ==============================
   Link Styling & Hover Effects
   ============================== */
.link-card a {
  color: #0f5fff;
  text-decoration: none;
  font-weight: inherit;
  background-image: linear-gradient(90deg, #ff6ec4, #7873f5, #4adeff);
  background-size: 0% 2px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size 0.5s ease-in-out, opacity 0.4s ease-in-out;
  opacity: 0.85;
}

.link-card a:hover {
  background-size: 100% 2px;
  opacity: 1;
  animation: shimmer 1.5s linear forwards;
}

/* Wikipedia citation styling */
.link-card p:has(> a[href*="wikipedia.org"]) {
  font-size: 0.95rem;
  font-style: italic;
  color: #555;
}

/* ==============================
   Video Card Enhancements
   ============================== */
.link-card.video-card {
  background-color: #fdf7ff;
  border-left: 4px solid transparent;
  border-image: linear-gradient(to bottom, #ff6ec4, #7873f5, #4adeff) 1;
  padding-left: 1.25rem;
}

.link-card.video-card h2 a {
  color: #ff6ec4;
  font-weight: 600;
  background-image: linear-gradient(to right, #ff6ec4, #7873f5, #4adeff);
  background-size: 0% 2px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size 0.5s ease-in-out;
}

.link-card.video-card h2 a:hover {
  background-size: 100% 2px;
}

.link-card.video-card p {
  font-size: 1rem;
  color: #333;
}

.link-card.video-card p a {
  color: #7873f5;
  text-decoration: none;
  font-weight: 500;
}

.link-card.video-card .video-thumbnail {
  width: 100%;
  border-radius: 8px;
  margin-bottom: 1rem;
  display: block;
}


/* Play icon animation */
.play-icon {
  display: inline-block;
  width: 0;
  height: 0;
  margin-right: 0.5em;
  vertical-align: middle;
  border-left: 10px solid #ff6ec4;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  animation: pulsePlay 1.2s ease-in-out infinite;
}

/* ==============================
   Image Layouts
   ============================== */
.single-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.image-grid img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  object-fit: cover;
}

/* Responsive columns */
@media (max-width: 900px) {
  .image-grid { column-count: 2; }
}

@media (max-width: 600px) {
  .image-grid { column-count: 1; }
}

/* ==============================
   Footer & Accessibility
   ============================== */
footer {
  text-align: center;
  font-size: 0.9rem;
  color: #555;
  padding: 1.5rem 0;
  border-top: 1px solid #ddd;
  margin-top: 2rem;
}

:focus-visible {
  outline: 2px solid #0f5fff;
  outline-offset: 2px;
}

/* ==============================
   Animations
   ============================== */
@keyframes shimmer {
  0% { background-position: 0% 100%; }
  100% { background-position: 200% 100%; }
}

@keyframes pulsePlay {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes floatTitle {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}