@font-face {
  font-family: "Poppins";
  src: url("fonts/Poppins/Poppins-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Poppins";
  src: url("fonts/Poppins/Poppins-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Poppins";
  src: url("fonts/Poppins/Poppins-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --raya-primary: #006d77;
  --raya-accent: #08c5be;
  --raya-soft: #ebf6fa;
  --raya-deep: #013e77;
  --text-main: #1d2a3a;
  --text-muted: #4b5563;
  --card-bg: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Poppins", Arial, sans-serif;
  background: linear-gradient(
    180deg,
    var(--raya-primary) 0%,
    #0a7f89 38%,
    var(--raya-soft) 38%,
    #f8fbfd 100%
  );
  color: var(--text-main);
}

.container {
  max-width: 680px;
  margin: 0 auto;
  padding: 24px 16px 40px;
}

.card {
  background: var(--card-bg);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 16px 40px rgba(1, 62, 119, 0.12);
  border-top: 6px solid var(--raya-accent);
}

.brand-header {
  text-align: center;
  margin-bottom: 12px;
}

.logo {
  width: 88px;
  height: 88px;
  object-fit: contain;
}

.brand-en {
  margin: 8px 0 0;
  font-weight: 700;
  color: var(--raya-primary);
  font-size: 24px;
  line-height: 1.2;
}

.section-label {
  text-align: center;
  color: var(--raya-deep);
  font-size: 12px;
  letter-spacing: 1.1px;
  font-weight: 600;
  margin-bottom: 10px;
}

h1 {
  font-size: 30px;
  line-height: 1.35;
  margin: 0 0 12px;
  text-align: center;
  color: var(--raya-primary);
}

.subtitle {
  font-size: 16px;
  text-align: center;
  color: var(--text-muted);
  margin: 0 0 24px;
  line-height: 1.8;
}

.section-title,
.form-title {
  font-size: 28px;
  font-weight: 700;
  margin: 22px 0 12px;
  color: var(--raya-deep);
}

.course-list {
  padding-left: 20px;
  margin: 10px 0 22px;
}

.course-list li {
  margin-bottom: 10px;
  font-size: 16px;
  line-height: 1.6;
}

.info {
  background: var(--raya-soft);
  border-radius: 12px;
  padding: 14px;
  font-size: 15px;
  margin-bottom: 22px;
  line-height: 1.8;
  border: 1px solid #dceaf2;
}

.info strong {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
}

label {
  font-size: 14px;
  margin-top: 14px;
  display: block;
  font-weight: 500;
}

input,
select {
  width: 100%;
  padding: 12px;
  margin-top: 6px;
  border-radius: 10px;
  border: 1px solid #cdd7de;
  font-size: 15px;
  font-family: "Poppins", Arial, sans-serif;
  color: var(--text-main);
  background: #fff;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--raya-accent);
  box-shadow: 0 0 0 3px rgba(8, 197, 190, 0.15);
}

button[type="submit"] {
  width: 100%;
  margin-top: 16px;
  padding: 13px 16px;
  border: 0;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--raya-primary), #0b8b95);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  font-family: "Poppins", Arial, sans-serif;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, opacity 0.12s ease;
}

button[type="submit"]:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(1, 62, 119, 0.2);
}

button[type="submit"]:active {
  transform: translateY(0);
}

button[type="submit"]:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.thank-you {
  display: none;
  margin-top: 18px;
  padding: 16px;
  border-radius: 12px;
  background: #edf9f8;
  border: 1px solid #c7edea;
}

.thank-you h2 {
  margin: 0 0 10px;
  color: var(--raya-deep);
  font-size: 34px;
}

.thank-you p {
  margin: 0;
  line-height: 1.7;
}

.whatsapp-btn {
  display: inline-block;
  margin-top: 14px;
  color: #0b6fb6;
  font-weight: 600;
  text-decoration: underline;
}

@media (max-width: 640px) {
  .card {
    border-radius: 14px;
    padding: 18px;
  }

  h1 {
    font-size: 24px;
  }

  .section-title,
  .form-title {
    font-size: 24px;
  }
}