:root {
    /* Brand colours */
    --unit-blue: rgb(102, 153, 204);
    --unit-green: rgb(109, 247, 109);
    --unit-blue-accent: rgb(102, 215, 239);
    --unit-blue-accent-hover: rgb(0, 178, 218);
    --footer-bg: #333;
    --text-dark: #000;
    --text-light: #fff;

    /* Spacing scale */
    --space-s: 8px;
    --space-m: 20px;
    --space-l: 40px;
}

body {
    font-family: sans-serif, Arial;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    
}

/* ---------- Header ---------- */
.header {
  margin: 0 auto;
  text-align: center;
  padding: 40px 0 20px 0;
}

@media (max-width: 600px) {
    .header {
        padding: 10px 0 10px 0;
    }
}

.header h1 {
    margin: 0;
    padding-bottom: 10px;
    font-size: 3em;
    color: black;
}

.header p {
    font-size: 1.2em;
    color: black;
    margin-top: var(--space-s);
    border-bottom: 2px solid var(--unit-blue);
    display: inline-block;
    padding-bottom: 15px;
}

/* ---------- Contact Form Section ---------- */
.contact-form {
  padding: var(--space-l);          /* keep nice padding */
  max-width: 700px;
  width: 100%;                      /* let it shrink */
  margin: 10px auto;
  border-radius: 10px;
  box-sizing: border-box;           /* ⬅ include padding inside max-width */
}

.contact-form form {
  display: flex;
  flex-direction: column;
  gap: var(--space-m);
}

/* Labels */
.form-group label {
  font-weight: bold;
  display: block;
  margin-bottom: 5px;
}

.required {
  font-weight: normal;
  color: #333;
  font-size: 0.9em;
}

/* Name fields side-by-side */
/* Name fields stacked (simplest) */
.name-fields {
  display: block;
}

/* Each label+input group */
.input-block {
  margin-bottom: 15px;
  display: flex;
  flex-direction: column;
}

@media (max-width: 700px) {
  .name-fields {
    flex-wrap: wrap;       /* now they stack on smaller screens */
    gap: 15px;             /* nice spacing when stacked */
  }
}

/* Inputs & textarea */
input, textarea {
  border: 1px solid #333;
  border-radius: 20px;
  padding: 10px 15px;
  font-size: 16px;
  outline: none;
  width: 100%;
  background-color: #fff;
  transition: border-color 0.2s ease;
}

input:focus, textarea:focus {
  border-color: var(--unit-blue);
}

/* Button */
button:not(.mobile-menu-btn, .close-menu-btn) {
  background-color: var(--unit-blue);
  color: var(--text-light);
  border: none;
  border-radius: 30px;
  padding: 12px 20px;
  font-size: 18px;
  cursor: pointer;
  align-self: flex-end;
  transition: background-color 0.3s ease-in-out;
}

button:not(.mobile-menu-btn, .close-menu-btn) {
  background-color: var(--unit-blue-accent-hover);
}

/* Responsive layout */
@media (max-width: 600px) {
  .name-fields {
    flex-direction: column;
  }
}