:root {
  --ink: #1f2937;
  --muted: #666;
  --accent: #00bfa6;
  --bg0: #f7f8f9;
  --bg1: #eef0f2;
}

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

body {
  font-family: "Poppins", sans-serif;
  background: radial-gradient(1200px 700px at 50% 0%, var(--bg1), var(--bg0));
  color: var(--ink);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  overflow-x: hidden;
}

.contact-container {
  position: relative;
  z-index: 2;
  width: 90%;
  max-width: 700px;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-radius: 22px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  padding: 50px 60px;
  text-align: center;
  animation: fadeUp 1s ease-out;
}

.contact-container h1 {
  font-size: 32px;
  font-weight: 700;
  color: var(--ink);
}

.contact-container h1 span {
  color: var(--accent);
}

.subtitle {
  color: var(--muted);
  margin: 12px 0 30px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 40px;
}

.form-group label {
  display: block;
  font-size: 14px;
  text-align: left;
  color: var(--muted);
  margin-bottom: 5px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border-radius: 10px;
  border: 1px solid #ddd;
  font-size: 15px;
  background: #fff;
  outline: none;
  transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 8px rgba(0, 191, 166, 0.3);
}

.btn-submit {
  background: var(--accent);
  color: white;
  font-weight: 600;
  border: none;
  border-radius: 12px;
  padding: 14px;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-submit:hover {
  background: #009d8a;
  transform: translateY(-2px);
}

.info-section {
  text-align: center;
  font-size: 14px;
  color: var(--muted);
}

.social-links {
  margin: 8px 0 15px;
}

.social-links a {
  color: var(--accent);
  text-decoration: none;
  margin: 0 8px;
  transition: color 0.3s;
}

.social-links a:hover {
  color: #009d8a;
}

.toast {
  display: none;
  position: fixed;
  bottom: 40px;
  right: 40px;
  background: var(--accent);
  color: white;
  padding: 14px 20px;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0, 191, 166, 0.3);
  font-size: 14px;
  animation: fadeInOut 4s ease;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInOut {
  0% { opacity: 0; transform: translateY(20px); }
  10%, 90% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(20px); }
}

.bg-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 30% 20%, rgba(0,191,166,0.1), transparent 70%),
              radial-gradient(circle at 70% 80%, rgba(0,191,166,0.15), transparent 70%);
  z-index: 1;
  animation: pulse 6s infinite alternate;
}

@keyframes pulse {
  0% { opacity: 0.6; }
  100% { opacity: 1; }
}

@media (max-width: 700px) {
  .contact-container {
    padding: 30px 25px;
  }
}
.captcha-group {
  display: flex;
  justify-content: center;
  margin-top: 10px;
  margin-bottom: 10px;
}
.btn-submit:disabled {
  background: #ccc;
  cursor: not-allowed;
  transform: none;
  opacity: 0.6;
}

.btn-submit.active {
  background: var(--accent);
  opacity: 1;
}