:root {
  --bg: #ffffff;
  --card-bg: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --accent: #2563eb;
  --accent-contrast: #fff;
  --danger: #ef4444;
  --success: #16a34a;
  --input-bg: #f8fafc;
  --input-border: #e5e7eb;
  --shadow: 0 6px 18px rgba(15, 23, 42, 0.06);
  --radius: 10px;
  --transition-fast: 180ms ease;
  --max-width: 950px;
}

/* Reset */
.contact-container,
.contact-container * {
  box-sizing: border-box;
}

/* Wrapper */
.contact-container {
  background: var(--bg);
  color: var(--text);
  padding: 2rem 1rem;
  margin: 0 auto;
  max-width: var(--max-width);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  line-height: 1.6;
}

/* Headings */
.contact-container h1 {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.contact-container p.lead {
  margin-bottom: 1.25rem;
  color: var(--muted);
  font-size: 1rem;
}

/* Layout */
@media (min-width: 880px) {
  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 32px;
    align-items: start;
  }
}

/* Card base */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0, 0, 0, 0.03);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

/* Form layout */
.contact-form {
  width: 100%;
}

.form-group {
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
}

/* Label */
.form-group label {
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  font-weight: 600;
  color: var(--text);
}

/* Inputs */
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="file"],
.form-group input[type="tel"],
.form-group input[type="search"],
.form-group textarea {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.95rem;
  color: var(--text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
  width: 100%;
}

/* Textarea */
.form-group textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.5;
}

/* Focus */
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
  transform: translateY(-1px);
}

/* Placeholder */
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #9ca3af;
}

/* File input */
.input-file-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
}

#attachement input[type="file"] {
  opacity: 0;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

.file-preview {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  width: 100%;
  min-height: 44px;
  font-size: 0.95rem;
  color: var(--muted);
}

/* Buttons */
.contact-container button[type="submit"],
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: 700;
  cursor: pointer;
  font-size: 0.95rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 6px 20px rgba(75, 0, 130, 0.12);
}

button[type="submit"]:hover,
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(75, 0, 130, 0.16);
}

button[type="submit"]:active,
.btn:active {
  transform: translateY(0);
  box-shadow: 0 6px 18px rgba(75, 0, 130, 0.1);
}

.btn-secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--input-border);
  font-weight: 600;
}

/* Helper text */
.form-help {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.4rem;
}

/* Invalid field */
.input-invalid {
  border-color: var(--danger) !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

/* Alerts */
.alert-danger ul {
  margin: 0;
  padding-left: 1rem;
}

/* Sidebar */
.sidebar {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-info {
  margin-top: 40px;
}

.contact-info h2 {
  margin-bottom: 0.4rem;
  font-size: 1.05rem;
  font-weight: 700;
}

.contact-info p {
  margin: 0.4rem 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Contact details */
.contact-details {
  display: grid;
  gap: 8px;
}

/* Map */
.map {
  margin-top: 40px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--input-border);
}

.map iframe {
  display: block;
  width: 100%;
  height: 260px;
  border: 0;
}

/* Focus visible */
:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.25);
  outline-offset: 3px;
  border-radius: 6px;
}

/* Print */
@media print {

  .map,
  .input-file-wrapper,
  button {
    display: none !important;
  }

  .contact-container {
    padding: 0;
    box-shadow: none;
    border: none;
  }
}

/* Utilities */
.text-muted {
  color: var(--muted);
  font-size: 0.95rem;
}

.mb-0 {
  margin-bottom: 0;
}

.mt-0 {
  margin-top: 0;
}