:root {
  --bg: #ffffff;
  --text: #111111;
  --muted: #6b7280;
  --line: #e5e7eb;
}

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

/* Base */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Inter", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
   -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Header */
header {
  max-width: 720px;
  margin: clamp(3rem, 8vw, 5rem) auto 4rem;
  padding: 0 1.25rem;
}

header h1 {
  font-size: clamp(1.9rem, 6vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

header p {
  margin-top: 1rem;
  font-size: clamp(0.95rem, 3.5vw, 1.05rem);
  color: var(--muted);
  max-width: 520px;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
}

/* Main */
main {
  max-width: 720px;
  margin: 0 auto clamp(4rem, 10vw, 6rem);
  padding: 0 1.25rem;
}


/* Entry */
article {
  padding: clamp(2rem, 6vw, 2.5rem) 0;
  border-top: 1px solid var(--line);
}

article:first-of-type {
  border-top: none;
}

time {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
}

article h2 {
  margin-top: 0.75rem;
  font-size: clamp(1.2rem, 4.5vw, 1.4rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

article p {
  margin-top: 0.75rem;
  font-size: clamp(0.95rem, 3.5vw, 1.05rem);
  color: #374151;
  max-width: 620px;
}

.post-image {
  display: block;
  width: 100%;
  max-width: 680px;
  margin: clamp(1.5rem, 4vw, 2.5rem) auto 0;
  border-radius: 20px;
  object-fit: cover;
}

/* Footer */
footer {
  border-top: 1px solid var(--line);
  padding: clamp(2.5rem, 8vw, 3rem) 1.25rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}

.credits {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  opacity: 0.7;
}

footer {
  margin-top: 100px;
  padding: 50px 20px;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.85;
}

.social-links {
  margin: 30px 0;
}

.social-links a {
  display: inline-block;
  margin: 0 14px;
  width: 20px;
  height: 20px;
  color: inherit;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.social-links svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.social-links a:hover {
  opacity: 0.5;
  transform: translateY(-2px);
}

.disclaimer {
  font-size: 0.7rem;
  opacity: 0.6;
  margin-top: 25px;
}