:root {
  --bg: #3dbbbd;
  --text: #000000;
  --hover: #ab1c1c;
  --page-bg: #ffffff;
  --heading-bg: #e6f4ff;
  --heading-text: #012b73;
  --card-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family:
    -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", Helvetica,
    Arial, sans-serif;
  background: var(--page-bg);
  color: #333;
}

.main-wrapper {
  max-width: 1240px;
  margin: 0 auto;
  padding: 20px;
}

h1 {
  margin: 0 0 16px;
  padding: 8px 12px;
  border-radius: 10px;
  background: var(--heading-bg);
  color: var(--heading-text);
  text-align: center;
  font-size: 1.35rem;
  box-shadow: 0 0 10px rgba(1, 43, 115, 0.2);
}

.button-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
  margin-bottom: 24px;
}

.bank-button {
  border: none;
  padding: 12px 8px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--btn-text, var(--text));
  background: var(--btn-bg, var(--bg));
  transition:
    color 0.2s ease,
    transform 0.15s ease,
    opacity 0.15s ease;
}
.bank-button:hover {
  color: var(--btn-hover, var(--hover));
  opacity: 0.95;
}
.bank-button.active {
  outline: 2px solid rgba(0, 0, 0, 0.35);
}
.bank-button:active {
  transform: scale(0.98);
}

.guide-block,
.steps-section {
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 28px;
}

.section-banner {
  background: var(--bg);
  color: var(--text);
  text-align: center;
  padding: 14px 12px;
  font-size: 1.2rem;
  font-weight: 700;
}
.section-banner:hover {
  color: var(--hover);
}

.guide-content {
  margin-top: 10px;
  padding: 20px;
  background: var(--bg);
  color: var(--text);
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 22px;
  align-items: start;
}
.guide-content:hover {
  color: var(--hover);
}

.video-wrap {
  width: 300px;
  max-width: 100%;
  margin: 0 auto;
  background: #000;
  border: 3px solid #222;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.35);
  min-height: 530px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.video-wrap iframe {
  width: 100%;
  height: 530px;
  border: 0;
}
.video-placeholder {
  color: #ddd;
  text-align: center;
  font-size: 0.9rem;
  padding: 16px;
}
.video-placeholder a {
  color: #fff;
  text-decoration: underline;
}

.instructions {
  font-size: 1rem;
  line-height: 1.45;
  word-break: break-word;
}
.instructions p:first-child {
  margin-top: 0;
}

.steps-grid-wrap {
  margin-top: 10px;
  padding: 20px;
  background: var(--bg);
  color: var(--text);
}
.steps-grid-wrap:hover {
  color: var(--hover);
}

.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 600px) {
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 992px) {
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 800px) {
  .guide-content {
    grid-template-columns: 1fr;
  }
}

.step-card {
  background: #fff;
  color: #333;
  border-radius: 6px;
  box-shadow: var(--card-shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-align: center;
}

.step-header {
  padding: 10px;
  font-weight: 700;
  color: #012b74;
  border-bottom: 1px solid #eee;
}

.step-media-wrap {
  padding: 14px;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 180px;
}
.step-media-wrap img {
  width: 100%;
  max-width: 190px;
  border: 1px solid #ddd;
  border-radius: 12px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  display: block;
}

.step-title {
  padding: 14px 14px 18px;
  font-size: 0.95rem;
  line-height: 1.4;
  color: #555;
  min-height: 66px;
}

.state {
  margin: 12px 0;
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 0.95rem;
  background: #f3f3f3;
  color: #333;
}
.state.error {
  background: #ffe6e6;
  color: #8f2020;
}