/* =========================
   NAVIGATION
========================= */

.top-bar {
  padding: 2rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-title {
  font-size: 2.5rem;
  font-weight: 700;
}

.top-nav {
  display: flex;
  gap: 1.5rem;
}

.top-nav a {
  text-decoration: none;
  font-weight: 500;
}


/* =========================
   HERO SECTION
========================= */

.hero {
  max-width: 700px;
  margin: 3rem auto 5rem;
  text-align: center;
}

.hero h2 {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

.hero p {
  margin-bottom: 2rem;
  line-height: 1.6;
}

.image-placeholder {
  width: 100%;
  height: 250px;
  background: #d9d9d9;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
}



/* =========================
   GRID SECTION CARD
========================= */

.demo-section {
  background: transparent;              /* no fill */
  padding: 3rem;
  border-radius: 22px;

  /* Soft outline (like your small squares) */
  outline: 1px solid #dcdcdc;

  /* Soft elevation */
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.05);

  margin: 3rem 0;
}



/* =========================
   GRID COLUMN TEXT ONLY
========================= */

.demo-box {
  background: transparent;
  border: none;
  outline: none;
  box-shadow: none;
  padding: 0;
  text-align: center;
}



/* =========================
   ARTICLE CARDS
========================= */

article {
  background: #ffffff;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.06);
}

.article-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.article-header h3 {
  margin: 0;
}

.time {
  font-size: 0.9rem;
  color: #888;
}


/* =========================
   IMAGE CARD ROW
========================= */

.image-card {
  background: #ffffff;
  padding: 1.75rem;
  border-radius: 20px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
}

.image-card .image-placeholder {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #dcdcdc;
  border-radius: 14px;
}

/* =========================
   IMAGE CARD SECTION
========================= */

.image-card-section {
  margin: 4rem 0;
}

.image-card {
  background: #ffffff;
  padding: 1.5rem;
  border-radius: 24px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.05);
}

.image-placeholder-box {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #cfcfcf;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #777;
  font-size: 1.1rem;
}




/* =========================
   FOOTER
========================= */

.footer {
  text-align: center;
  margin: 5rem 0 2rem;
}
