:root {
  --text-color: #333;
  --bg: #ffffff;
  --fg: #000000;
  --border: #cccccc;
  --card-border: #ddd;
  --accent: #007bff;
  --transition: 0.5s ease;
  --radius: 12px;
  --radius-pill: 999px;
  --height: 56px;
  --font-family: "Segoe UI", Arial, sans-serif;
  --bg-gradient: linear-gradient(
    to right,
    white 0%,
    rgba(255, 255, 255, 0.95) 40%,
    rgba(255, 255, 255, 0.85) 70%,
    transparent 100%
  );
}

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

.content {
  position: relative;
  z-index: 1;
  padding: 80px 20px 40px;
  max-width: 900px;
  width: 100%;
  text-align: center;
}

.text-slider {
  font-size: clamp(1.2rem, 4vw, 2rem);
  font-weight: bold;
  height: 60px;
  overflow: hidden;
  position: relative;
  margin-bottom: 30px;
}

.text-slider span {
  position: absolute;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s ease, transform 1s ease;
  width: 100%;
  left: 0;
}

.text-slider span.active {
  opacity: 1;
  transform: translateY(0);
}

.field-wrap {
  width: 100%;
  max-width: 640px;
  margin: 0 auto 60px;
}

.input-surface {
  position: relative;
  display: flex;
  align-items: center;
  border-radius: var(--radius-pill);
  height: var(--height);
  border: 1px solid var(--border);
  background: #f9f9f9;
  overflow: hidden;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
  transition: 0.3s;
}

.left-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0 20px;
  height: 100%;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s;
  border-right: 1px solid #ccc;
}

.left-btn:hover {
  background: #0069d9;
}

input.cpfcnpj {
  flex: 1;
  background: transparent;
  color: var(--fg);
  border: none;
  outline: none;
  padding: 0 110px 0 16px;
  font-size: 18px;
}

.internal-btn {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  background: #e0e0e0;
  color: var(--fg);
  border: none;
  border-left: 1px solid var(--border);
  padding: 0 24px;
  font-size: 15px;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s;
}

.internal-btn:active {
  background: #ccc;
}

.msg {
  margin-top: 10px;
  font-size: 14px;
  color: #666;
  min-height: 20px;
}

.msg.error {
  color: #d33;
}

.cards-wrapper {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto 40px;
  display: flex;
  justify-content: center;
  transform: translateY(-30px);
}

.cards-row {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  width: 100%;
  gap: 16px;
  flex-wrap: nowrap;
}

.card {
  flex: 1;
  max-width: 140px;
  min-width: 80px;
  height: 140px;
  background-color: var(--bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  cursor: pointer;
  position: relative;
  opacity: 1;
}

.card .icon {
  font-size: 28px;
  margin-bottom: 8px;
}

.card .title {
  font-size: 16px;
  font-weight: bold;
  text-align: center;
}

.card .extra {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--transition), transform var(--transition);
  text-align: left;
  font-size: 14px;
  color: var(--text-color);
}

.card .divider {
  width: 100%;
  height: 1px;
  background: var(--card-border);
  margin: 12px 0;
  opacity: 0;
  transition: opacity var(--transition);
}

.card.expanded {
  flex: 1 1 100%;
  max-width: 100%;
  height: auto;
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  z-index: 2;
  opacity: 1;
}

.card.expanded .extra {
  opacity: 1;
  transform: translateY(0);
}

.card.expanded .divider {
  opacity: 1;
}

.cards-row.expanded-mode .card {
  opacity: 0;
  pointer-events: none;
}

.cards-row.expanded-mode .card.expanded {
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 700px) {
  .cards-row {
    flex-wrap: wrap;
    justify-content: center;
  }

  .card {
    flex: 1 1 45%;
    max-width: 200px;
    height: 110px;
  }
}