/* about.css */
.about-story { padding: 64px 0; }
.story-card {
  display: flex;
  align-items: center;
  gap: 32px;
  max-width: 800px;
  margin: 0 auto;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  border: 1px solid var(--border);
}
.story-img {
  flex: 1 1 50%;
  overflow: hidden;
}
.story-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.story-text {
  flex: 1 1 50%;
  padding: 36px 32px;
}
.story-divider { width: 40px; height: 3px; background: var(--text-dark); margin-bottom: 16px; }
.story-text h3 { font-size: 18px; font-weight: 700; line-height: 1.6; margin-bottom: 12px; }
.story-text p { font-size: 13px; color: var(--text-gray); line-height: 1.8; }

.about-promise { padding: 64px 0; background: var(--bg-section); }
.promise-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.promise-item { background: #fff; border-radius: 4px; overflow: hidden; }
.promise-img { height: 180px; overflow: hidden; }
.promise-img img { width: 100%; height: 100%; object-fit: cover; }
.promise-dark { background: #2a2a2a; }
.promise-coins { background: #4a4a4a; }
.promise-img-overlay { height: 100%; display: flex; align-items: center; justify-content: center; }
.promise-content { padding: 20px; text-align: center; }
.promise-icon { font-size: 28px; display: block; margin-bottom: 8px; }
.promise-content h4 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.promise-content p { font-size: 13px; color: var(--text-gray); line-height: 1.7; }

.about-features { padding: 64px 0; }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-card { text-align: center; padding: 32px 20px; border: 1px solid var(--border); border-radius: 4px; transition: all var(--transition); }
.feature-card:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.feature-icon { font-size: 40px; display: block; margin-bottom: 16px; }
.feature-card h4 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 13px; color: var(--text-gray); }

@media (max-width: 768px) {
  .story-card { flex-direction: column; }
  .story-text { margin-left: 0; margin-top: -30px; flex: 1 1 auto; width: 90%; }
  .story-img { flex: 0 0 auto; width: 100%; }
  .promise-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}