* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, sans-serif;
  background: #f4f6f8;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  padding: 1rem;
}

/* --------HOME PAGE------- */
.navlinks {
  display: flex;
  gap: 12rem;
  margin-top: -10rem;
  font-size: larger;
}

.navlinks a:hover {
  text-decoration: dashed underline;
  color: #000;
}

article {
  background: #fff;
  border-radius: 12px;
  box-shadow: 20px 20px 12px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  max-width: 840px;
  width: 100%;
  transition: transform 0.3s ease;
}

article:hover {
  transform: translateY(-3px);
}

.user-info {
  display: flex;
  align-items: center;
}

figure img {
  width: 180px;
  height: 180px;
  object-fit: cover;
}

.additional-info {
  display: flex;
  gap: 4rem;
}

nav ul {
  display: flex;
  flex-direction: row;
  gap: 1rem;
}

nav ul,
section ul {
  list-style: none;
  padding: 0;
}

nav a {
  text-decoration: none;
  color: #535353;
  font-weight: 500;
  transition: transform 0.3s ease;
}

nav a:focus,
nav a:hover {
  color: #5a8cf7;
  transform: rotate(360deg);
}

span {
  text-align: center;
  font-size: small;
  color: #444;
  font-family: "Courier New", Courier, monospace;
}

/* ---------CONTACT US------------- */
form {
  width: 100%;
  max-width: 500px;
  margin: 1rem auto;
  padding: 2rem;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  font-family: "Poppins", sans-serif;
}

/* ===== Form Group ===== */
.form-group {
  margin-bottom: 1.5rem;
  position: relative;
}

label {
  display: block;
  font-weight: 600;
  font-family: "Courier New", Courier, monospace;
  margin-bottom: 0.5rem;
  color: #333;
}

/* ===== Input Fields ===== */
input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid #ccc;
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.3s ease;
  outline: none;
}

textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid #ccc;
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.3s ease;
  outline: none;
  resize: vertical;
  min-height: 100px;
}

/* On focus */
input:focus {
  border-color: #007bff;
  box-shadow: 0 0 0 4px rgba(0, 123, 255, 0.1);
}

/* ===== Error & Success Messages ===== */
.error-message,
.success-message {
  font-size: 0.875rem;
  margin-top: 0.4rem;
  display: none; /* Hidden by default */
}

#error-name,
#error-email,
#error-subject,
#error-message {
  color: #d93025;
  font-size: small;
}

.success-message {
  color: #28a745;
}

/* ===== Input Error/Success Borders ===== */
input.error {
  color: #d93025;
  border-color: #d93025;
  background-color: #ffe6e6;
}

input.success {
  border-color: #28a745;
  background-color: #e6ffe6;
}

/* ===== Submit Button ===== */
button {
  width: 100%;
  padding: 0.9rem;
  background: #007bff;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.2s ease;
}

button:hover {
  background: #0056b3;
  transform: translateY(-1px);
}

/* --------RESPONSIVE DESIGN------- */
@media (max-width: 767px) {
  /* -------HOME PAGE------- */
  article {
    max-width: 420px;
  }

  .navlinks {
    margin-top: 0;
    gap: 6rem;
    font-size: large;
  }

  .user-info {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  nav ul {
    justify-content: center;
  }

  .additional-info {
    justify-content: center;
  }

  /* -------CONTACT US------- */
  @media (max-width: 500px) {
    form {
      padding: 1.5rem;
    }
  }
}