* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}

body {
  background: #eef2f3;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px 10px;
}

/* CARD */
.card {
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.1);
  overflow: hidden;
}

/* HEADER */
.header {
  background: #0f6d5c;
  color: white;
  text-align: center;
  padding: 80px 20px 25px;
  position: relative;
  border-bottom-left-radius: 30px;
  border-bottom-right-radius: 30px;
}

.top-whatsapp-icon {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 64px;
  height: 64px;
  background: white;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 14px 28px rgba(0,0,0,0.18);
  border: 3px solid #25d366;
  z-index: 5;
}

.top-whatsapp-icon img {
  width: 34px;
}

/* WhatsApp circle */
.whatsapp-circle {
  width: 70px;
  height: 70px;
  background: white;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto 15px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.whatsapp-circle img {
  width: 38px;
}

/* Tag */
.tag {
  font-size: 12px;
  opacity: 0.9;
  margin-bottom: 10px;
}

/* Title */
.header h1 {
  font-size: 24px;
  margin-bottom: 8px;
}

.subtitle {
  font-size: 13px;
  opacity: 0.9;
}

/* INFO BOX */
.info-box {
  display: flex;
  gap: 10px;
  background: #f1f4f3;
  margin: 20px;
  padding: 15px;
  border-radius: 14px;
  font-size: 13px;
}

.medal {
  font-size: 22px;
}

/* COUNTDOWN */
.countdown-box {
  background: #fff3d6;
  margin: 0 20px 20px;
  padding: 18px;
  text-align: center;
  border-radius: 14px;
}

.countdown-box h2 {
  color: #ff7a00;
  font-size: 24px;
  margin: 5px 0;
}

/* FORM */
form {
  padding: 0 20px 20px;
}

label {
  font-size: 13px;
  color: #444;
  margin-top: 12px;
  display: block;
}

input, select {
  width: 100%;
  padding: 14px;
  margin-top: 6px;
  border-radius: 12px;
  border: 1px solid #ddd;
  font-size: 14px;
  outline: none;
}

input:focus, select:focus {
  border-color: #0f6d5c;
  box-shadow: 0 0 0 2px rgba(15,109,92,0.1);
}

/* BUTTON */
button {
  width: 100%;
  padding: 16px;
  margin-top: 18px;
  background: #0f6d5c;
  color: white;
  border: none;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

button:hover {
  background: #0c5a4c;
}

.status-message {
  margin: 14px 20px 20px;
  color: #1f3f3b;
  font-size: 14px;
  text-align: center;
}

/* MOBILE */
@media (max-width: 480px) {
  .header {
    padding: 72px 16px 22px;
  }

  .info-box,
  .countdown-box,
  form {
    margin: 12px;
  }

  button {
    font-size: 14px;
  }
}