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

/* ===== BODY BACKGROUND ===== */
body {
  font-family: Arial, sans-serif;
  background: linear-gradient(180deg, #14b8a6 0%, #0f766e 100%);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 60px 16px;
  color: #111;
}

/* ===== MAIN CONTAINER ===== */
.container {
  width: 100%;
  max-width: 720px;
}

/* ===== CARD ===== */
.card {
  background: #ffffff;
  padding: 32px;
  border-radius: 12px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

/* ===== HEADINGS ===== */
.card h1 {
  font-size: 32px;
  color: #0f766e;
  margin-bottom: 8px;
}

.card h2 {
  color: #0f766e;
  margin-bottom: 12px;
}

.card h3 {
  margin-top: 24px;
  margin-bottom: 8px;
}

/* ===== TEXT ===== */
.card p {
  margin-bottom: 12px;
  line-height: 1.6;
}

.card ul {
  margin-left: 18px;
}

.card li {
  margin-bottom: 6px;
}

/* ===== LINKS ===== */
.card a {
  color: #0f766e;
  font-weight: 500;
  text-decoration: none;
}

.card a:hover {
  text-decoration: underline;
}

/* ===== INPUT ===== */
input {
  width: 100%;
  padding: 10px;
  margin-top: 6px;
  margin-bottom: 14px;
  border-radius: 6px;
  border: 1px solid #cbd5e1;
}

/* ===== BUTTON ===== */
.btn {
  background: #0f766e;
  color: #ffffff;
  border: none;
  padding: 12px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 15px;
}

.btn:hover {
  background: #115e59;
}

/* ===== FOOTER ===== */
.footer {
  text-align: center;
  margin-top: 20px;
  font-size: 13px;
  color: #e6fffa;
}

.footer a {
  color: #ccfbf1;
}