* { box-sizing: border-box; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
body { background-color: #f0f4f8; margin: 0; padding: 20px; color: #333; }
.form-container {
    max-width: 650px; margin: 0 auto; background: #fff;
    border-radius: 8px; box-shadow: 0 4px 12px rgba(0,0,0,0.1); padding: 30px;
    border-top: 10px solid #5a9bd4; /* Corporate Blue */
}
.form-header { text-align: center; margin-bottom: 25px; }
.logo { max-width: 150px; margin-bottom: 15px; }
.form-header h1 { font-size: 24px; color: #333; margin: 0 0 15px; }

/* Progress Bar */
.progress-container { width: 100%; background: #e0e0e0; height: 8px; border-radius: 4px; overflow: hidden; margin-bottom: 10px; }
.progress-bar { height: 100%; background: #5a9bd4; width: 14%; transition: width 0.3s ease; }
.step-indicator { font-size: 14px; color: #666; margin: 0; }

/* Form Steps */
.form-step { display: none; }
.form-step.active { display: block; animation: fadeIn 0.4s; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* Inputs & Labels */
h2 { font-size: 18px; background: #e6f0fa; padding: 12px; border-radius: 6px; margin-bottom: 20px; color: #2c5e86; }
.form-group { margin-bottom: 20px; }
label { display: block; font-weight: 500; margin-bottom: 8px; }
.required { color: #d32f2f; }
input[type="text"], input[type="email"], input[type="tel"], input[type="date"], select {
    width: 100%; padding: 12px; border: 1px solid #ccc;
    border-radius: 4px; font-size: 16px; transition: border 0.3s;
}
input:focus, select:focus { border-color: #5a9bd4; outline: none; box-shadow: 0 0 5px rgba(90, 155, 212, 0.3); }

/* Buttons */
.form-footer { display: flex; justify-content: space-between; margin-top: 30px; border-top: 1px solid #eee; padding-top: 20px; }
.btn { padding: 12px 24px; border: none; border-radius: 4px; font-size: 16px; cursor: pointer; font-weight: 600; transition: background 0.3s; }
.btn-primary { background: #5a9bd4; color: #fff; }
.btn-primary:hover { background: #4682b4; }
.btn-secondary { background: #fff; color: #5a9bd4; border: 1px solid #5a9bd4; }
.btn-secondary:hover { background: #f0f4f8; }

/* Validation */
.error-msg { color: #d32f2f; font-size: 13px; margin-top: 5px; display: none; }
.invalid input, .invalid select { border-color: #d32f2f; background: #ffebee; }
.invalid .error-msg { display: block; }
.hidden { display: none !important; }
.text-center { text-align: center; }