:root {
    /* Color variables from your scheme */
    --primary-color: #4361ee;
    --primary-dark: #3f37c9;
    --primary-light: #4895ef;
    --secondary-color: #4cc9f0;
    --accent-color: #f72585;
    --success-color: #0ead69;
    --warning-color: #ff9e00;
    --danger-color: #e63946;
    --dark-color: #1f2041;
    --light-color: #f8f9fa;
    
    /* Additional color variables */
    --text-color: #1f2041;
    --text-light: #6c757d;
    --border-color: #e2e8f0;
    --bg-color: #f8f9fa;
    --white: #ffffff;
    --bg-gradient: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    
    /* Shadows and effects */
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    --input-shadow: 0 2px 10px rgba(67, 97, 238, 0.1);
    --hover-shadow: 0 15px 35px rgba(67, 97, 238, 0.15);
    --glow-effect: 0 0 15px rgba(76, 201, 240, 0.5);
    --inner-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
    
    /* Spacing variables */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Font variables */
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-md: 1.125rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-xxl: 2rem;
    --font-size-huge: 3rem;
    
    /* Border radius */
    --border-radius-sm: 6px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    --border-radius-xl: 30px;
    --border-radius-full: 9999px;
    
    /* Transition */
    --transition-fast: all 0.2s ease;
    --transition-normal: all 0.3s ease;
    --transition-slow: all 0.5s ease-out;
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--bg-gradient);
    background-attachment: fixed;
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow-x: hidden;
    padding: 20px;
}

/* Animated background with multiple layers */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%234361ee' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    z-index: -3;
    opacity: 0.5;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(76, 201, 240, 0.03) 0%, rgba(67, 97, 238, 0.03) 50%, transparent 100%);
    z-index: -2;
    animation: pulse-bg 15s infinite alternate;
}

@keyframes pulse-bg {
    0% { opacity: 0.3; }
    50% { opacity: 0.7; }
    100% { opacity: 0.3; }
}

/* Floating particles effect */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.3;
    animation: float-particle 15s infinite linear;
}

.particle:nth-child(1) {
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, var(--primary-light) 0%, transparent 70%);
    top: 10%;
    left: 10%;
    animation-duration: 25s;
    animation-delay: 0s;
}

.particle:nth-child(2) {
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, var(--secondary-color) 0%, transparent 70%);
    top: 70%;
    left: 80%;
    animation-duration: 30s;
    animation-delay: 5s;
}

.particle:nth-child(3) {
    width: 60px;
    height: 60px;
    background: radial-gradient(circle, var(--accent-color) 0%, transparent 70%);
    top: 40%;
    left: 60%;
    animation-duration: 20s;
    animation-delay: 2s;
}

.particle:nth-child(4) {
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, var(--success-color) 0%, transparent 70%);
    top: 80%;
    left: 20%;
    animation-duration: 28s;
    animation-delay: 8s;
}

@keyframes float-particle {
    0% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(100px, 50px) rotate(90deg);
    }
    50% {
        transform: translate(50px, 100px) rotate(180deg);
    }
    75% {
        transform: translate(-50px, 50px) rotate(270deg);
    }
    100% {
        transform: translate(0, 0) rotate(360deg);
    }
}

.container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: var(--spacing-md);
    flex: 1;
    position: relative;
    z-index: 1;
}

/* Typography with enhanced styling */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    line-height: 1.3;
}

h1 {
    font-size: var(--font-size-xxl);
    color: var(--primary-dark);
    text-shadow: var(--text-shadow);
    letter-spacing: -0.5px;
    position: relative;
    display: inline-block;
}

h1::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), transparent);
    border-radius: var(--border-radius-full);
}

h2 {
    font-size: var(--font-size-xl);
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-light);
    padding-bottom: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background-color: var(--accent-color);
}

h3 {
    font-size: var(--font-size-lg);
    color: var(--text-color);
    margin-top: var(--spacing-lg);
    position: relative;
    padding-left: var(--spacing-sm);
}

h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
    border-radius: var(--border-radius-full);
}

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-fast);
    position: relative;
}

a:hover {
    color: var(--primary-dark);
}

a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition-normal);
}

a:hover::after {
    width: 100%;
}

/* Form Header with animated gradient */
.form-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.form-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-light), var(--accent-color));
    border-radius: 3px;
    animation: gradient-shift 3s infinite alternate;
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; background-size: 100% 100%; }
    100% { background-position: 100% 50%; background-size: 200% 100%; }
}

.form-header p {
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto;
    font-size: var(--font-size-md);
    line-height: 1.8;
}

/* Progress Bar with animated indicator */
.progress-container {
    margin-bottom: var(--spacing-xl);
    padding: 0 var(--spacing-md);
}

.progress-bar {
    height: 10px;
    background: linear-gradient(to right, rgba(67, 97, 238, 0.1), rgba(76, 201, 240, 0.1));
    border-radius: var(--border-radius-full);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    box-shadow: var(--inner-shadow);
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shine 2s infinite;
    transform: translateX(-100%);
}

@keyframes shine {
    to {
        transform: translateX(100%);
    }
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    width: 20%; /* This will be updated by JS */
    transition: width 0.8s cubic-bezier(0.22, 1, 0.36, 1);
    border-radius: var(--border-radius-full);
    box-shadow: var(--glow-effect);
    position: relative;
    overflow: hidden;
}

.progress-fill::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-full);
}

.step-indicators {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-sm);
    color: var(--text-light);
    padding: 0 var(--spacing-sm);
    position: relative;
}

.step-indicators::before {
    content: '';
    position: absolute;
    top: 9px;
    left: 10px;
    right: 10px;
    height: 2px;
    background-color: var(--border-color);
    z-index: -1;
}

.step {
    position: relative;
    text-align: center;
    flex: 1;
    padding: 0 var(--spacing-sm);
    transition: var(--transition-bounce);
    z-index: 1;
}

.step::before {
    content: '';
    display: block;
    width: 20px;
    height: 20px;
    background-color: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    margin: 0 auto var(--spacing-sm);
    transition: var(--transition-bounce);
    box-shadow: 0 0 0 4px rgba(67, 97, 238, 0.1);
}

.step.active {
    color: var(--primary-color);
    font-weight: 600;
    transform: translateY(-5px);
}

.step.active::before {
    background-color: var(--primary-light);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(67, 97, 238, 0.2), 0 0 10px rgba(76, 201, 240, 0.5);
    transform: scale(1.2);
}

.step.completed::before {
    background-color: var(--success-color);
    border-color: var(--success-color);
    box-shadow: 0 0 0 4px rgba(14, 173, 105, 0.2);
}

/* Step label animation */
.step span {
    display: block;
    opacity: 0.7;
    transform: translateY(0);
    transition: var(--transition-normal);
}

.step.active span {
    opacity: 1;
    transform: translateY(-5px);
}

/* Form Container & Layout with 3D effect */
.registration-form {
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--card-shadow);
    overflow: hidden;
    padding: 3.5em 2em;
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transform: perspective(1000px) rotateX(0deg);
}

.registration-form:hover {
    box-shadow: var(--hover-shadow);
    transform: perspective(1600px) rotateX(1deg);
}

.form-sections {
    position: relative;
    min-height: 400px;
}

.form-section {
    padding: var(--spacing-xl);
    display: none;
    animation: fadeIn 0.7s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-section.active {
    display: block;
}

.form-row {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 0.3em;
    gap: var(--spacing-md);
}

.form-group {
    flex: 1;
    min-width: 250px;
    margin-bottom: var(--spacing-md);
    position: relative;
    transition: var(--transition-normal);
}

.form-group:hover {
    transform: translateY(-2px);
}

.subsection {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.subsection:last-child {
    border-bottom: none;
}

.subsection::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, var(--primary-light) 0%, transparent 100%);
    opacity: 0.5;
}

/* Form Elements with floating label effect */
.form-group {
    position: relative;
}

label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--dark-color);
    transition: var(--transition-fast);
    position: relative;
    z-index: 1;
}

.form-group:focus-within label {
    color: var(--primary-color);
    font-weight: 600;
}

.required {
    color: var(--accent-color);
    margin-left: 3px;
    display: inline-block;
    transform: translateY(-1px);
    animation: pulse-star 1.5s infinite;
}

@keyframes pulse-star {
    0% { transform: translateY(-1px) scale(1); }
    50% { transform: translateY(-1px) scale(1.2); }
    100% { transform: translateY(-1px) scale(1); }
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="date"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background-color: var(--white);
    transition: var(--transition-normal);
    box-shadow: var(--input-shadow);
    position: relative;
    z-index: 1;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.25), var(--glow-effect);
    transform: translateY(-2px);
}

/* Input focus effect */
.form-group::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: var(--transition-normal);
    transform: translateX(-50%);
    opacity: 0;
    z-index: 0;
}

.form-group:focus-within::after {
    width: 100%;
    opacity: 1;
}

input:disabled {
    background-color: #f5f7fa;
    cursor: not-allowed;
    opacity: 0.7;
}

input[type="date"] {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%234361ee' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    background-size: 16px;
    padding-right: 40px;
}

select.loading {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%234361ee' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpath d='M12 2v4m0 12v4M4.93 4.93l2.83 2.83m8.48 8.48l2.83 2.83M2 12h4m12 0h4M4.93 19.07l2.83-2.83m8.48-8.48l2.83-2.83'%3e%3c/path%3e%3c/svg%3e");
    animation: spin 1.5s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

select:disabled {
    background-color: #f5f7fa;
    cursor: not-allowed;
    opacity: 0.7;
}

textarea {
    resize: vertical;
    min-height: 100px;
}

.form-text {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-light);
    margin-top: var(--spacing-xs);
    transition: var(--transition-fast);
}

.form-group:focus-within .form-text {
    color: var(--primary-color);
}

.error-message {
    color: var(--danger-color);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    min-height: 20px;
    font-weight: 500;
    transition: var(--transition-fast);
    opacity: 0.9;
    transform: translateY(0);
    display: flex;
    align-items: center;
}

.error-message:not(:empty) {
    animation: shake 0.5s cubic-bezier(.36,.07,.19,.97) both;
}

@keyframes shake {
    10%, 90% { transform: translateX(-1px); }
    20%, 80% { transform: translateX(2px); }
    30%, 50%, 70% { transform: translateX(-3px); }
    40%, 60% { transform: translateX(3px); }
}

/* Modern Checkboxes & Radio Buttons */
.radio-group,
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.radio-label,
.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    transition: var(--transition-normal);
    background-color: rgba(255, 255, 255, 0.5);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.radio-label::before,
.checkbox-label::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(67, 97, 238, 0.1), rgba(76, 201, 240, 0.1));
    opacity: 0;
    transition: var(--transition-normal);
    z-index: -1;
}

.radio-label:hover,
.checkbox-label:hover {
    background-color: rgba(67, 97, 238, 0.05);
    border-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--input-shadow);
}

.radio-label:hover::before,
.checkbox-label:hover::before {
    opacity: 1;
}

.radio-label input,
.checkbox-label input {
    margin-right: var(--spacing-sm);
}

/* Custom radio and checkbox styling */
.radio-label input[type="radio"],
.checkbox-label input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    position: relative;
    margin-right: var(--spacing-sm);
    transition: var(--transition-normal);
    cursor: pointer;
}

.radio-label input[type="radio"] {
    border-radius: 50%;
}

.checkbox-label input[type="checkbox"] {
    border-radius: var(--border-radius-sm);
}

.radio-label input[type="radio"]:checked,
.checkbox-label input[type="checkbox"]:checked {
    border-color: var(--primary-color);
    background-color: var(--primary-color);
}

.radio-label input[type="radio"]:checked::before,
.checkbox-label input[type="checkbox"]:checked::before {
    content: '';
    position: absolute;
    display: block;
}

.radio-label input[type="radio"]:checked::before {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: white;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.checkbox-label input[type="checkbox"]:checked::before {
    width: 6px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -60%) rotate(45deg);
}

/* Password Input with Toggle */
.password-input-container {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-light);
    transition: var(--transition-fast);
    padding: var(--spacing-xs);
    z-index: 2;
}

.toggle-password:hover {
    color: var(--primary-color);
}

/* Form Navigation with animated buttons */
.form-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    position: relative;
}

.form-navigation::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, var(--primary-light), transparent);
    opacity: 0.5;
}

.btn {
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(45deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    border: none;
    border-radius: var(--border-radius-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    box-shadow: 0 4px 10px rgba(67, 97, 238, 0.25);
    position: relative;
    overflow: hidden;
    z-index: 1;
    letter-spacing: 0.5px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-normal);
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 8px 15px rgba(67, 97, 238, 0.35);
    background: linear-gradient(45deg, var(--primary-dark), var(--primary-color));
}

.btn:active {
    transform: translateY(-1px) scale(0.98);
    box-shadow: 0 2px 5px rgba(67, 97, 238, 0.2);
}

.btn-prev {
    background: linear-gradient(45deg, var(--text-light), #adb5bd);
}

.btn-prev:hover {
    background: linear-gradient(45deg, #6c757d, #909da7);
}

.btn-submit {
    background: linear-gradient(45deg, var(--success-color), #11c777);
}

.btn-submit:hover {
    background: linear-gradient(45deg, #0b9a55, var(--success-color));
}

.btn i {
    transition: transform 0.2s ease;
}

.btn:hover i.fa-arrow-right {
    transform: translateX(3px);
}

.btn:hover i.fa-arrow-left {
    transform: translateX(-3px);
}

.btn:hover i.fa-paper-plane {
    transform: rotate(10deg) translateX(2px);
}

/* Review Section with card effect */
.review-container {
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    max-height: 500px;
    overflow-y: auto;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.review-section {
    margin-bottom: var(--spacing-lg);
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.review-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
    border-radius: var(--border-radius-sm);
}

.review-section:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.review-section h3 {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--border-color);
    color: var(--primary-color);
    font-weight: 600;
    padding-left: var(--spacing-sm);
}

.review-item {
    display: flex;
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    transition: var(--transition-fast);
}

.review-item:hover {
    background-color: rgba(67, 97, 238, 0.05);
    transform: translateX(5px);
    border-radius: var(--border-radius-sm);
    padding-left: var(--spacing-sm);
}

.review-label {
    font-weight: 600;
    width: 40%;
    padding-right: var(--spacing-md);
    color: var(--dark-color);
}

.review-value {
    width: 60%;
    color: var(--text-color);
}

/* Loading Overlay with animated elements */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 100;
    backdrop-filter: blur(8px);
}

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(67, 97, 238, 0.1);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
    box-shadow: 0 0 15px rgba(67, 97, 238, 0.2);
}

.loading-text {
    font-size: var(--font-size-md);
    color: var(--primary-color);
    font-weight: 500;
    margin-top: var(--spacing-md);
    animation: pulse 1.5s infinite;
    position: relative;
}

.loading-text::after {
    content: '...';
    position: absolute;
    animation: dots 1.5s infinite;
}

@keyframes dots {
    0% { content: '.'; }
    33% { content: '..'; }
    66% { content: '...'; }
    100% { content: '.'; }
}

@keyframes pulse {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}

/* Modal with advanced animations */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(5px);
    opacity: 1;
    /* visibility: hidden; */
    transition: var(--transition-normal);
}

.modal-content {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    max-width: 500px;
    width: 90%;
    text-align: center;
    position: relative;
    box-shadow: var(--card-shadow);
    transform: translateY(-50px) scale(0.9);
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.3);
    overflow: hidden;
}

.modal:target .modal-content,
.modal.show .modal-content {
    transform: translateY(0) scale(1);
}

.modal-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.close-button {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-size: var(--font-size-xl);
    cursor: pointer;
    color: var(--text-light);
    transition: var(--transition-fast);
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    z-index: 2;
}

.close-button:hover {
    color: var(--danger-color);
    background-color: rgba(230, 57, 70, 0.1);
    transform: rotate(90deg);
}

.success-icon, .error-icon {
    font-size: 64px;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin: 0 auto var(--spacing-lg);
    position: relative;
    animation: scale-in 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
    opacity: 0;
    transform: scale(0.5);
}

@keyframes scale-in {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.success-icon {
    color: var(--success-color);
    background-color: rgba(14, 173, 105, 0.1);
}

@keyframes success-check {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.error-icon {
    color: var(--danger-color);
    background-color: rgba(230, 57, 70, 0.1);
}


@keyframes error-x {
    from {
        opacity: 0;
        transform: scale(0.5) rotate(-45deg);
    }
    to {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

.btn-modal-close {
    margin-top: var(--spacing-lg);
}

/* Footer with gradient and animation */
.footer {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    color: var(--white);
    text-align: center;
    padding: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    border-radius: var(--border-radius-md);
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: translateX(-100%);
    animation: shine 3s infinite;
}

.footer p {
    margin: 0;
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

.conditional-field {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    /* cursor: pointer; */
    transition: var(--transition-normal);
    background-color:#fdfdfe;
    border-color: var(--primary-color);
    margin-top: 1.5em;
    background-color: rgba(67, 97, 238, 0.05);
} 

/* Responsive Adjustments with smooth transitions */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .form-section {
        padding: var(--spacing-md);
    }
    
    .step-indicators {
        font-size: 0; /* Hide text on small screens */
    }
    
    .step::before {
        margin-bottom: 0;
    }
    
    .form-navigation {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .btn {
        width: 100%;
    }
    
    .review-item {
        flex-direction: column;
    }
    
    .review-label, .review-value {
        width: 100%;
    }
    
    .review-label {
        margin-bottom: var(--spacing-xs);
    }
    
    .particle {
        opacity: 0.2; /* Reduce particle opacity on mobile */
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }
    
    .container {
        padding: var(--spacing-sm);
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .form-group {
        min-width: 100%;
    }
    
    .modal-content {
        padding: var(--spacing-lg);
    }
    
    h1 {
        font-size: var(--font-size-xl);
    }
    
    h2 {
        font-size: var(--font-size-lg);
    }
}

/* Enhanced Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.form-section.active {
    animation: fadeInUp 0.5s ease-out;
}

.form-section.active .form-group {
    animation: fadeInRight 0.5s ease-out;
    animation-fill-mode: both;
}

.form-section.active .form-group:nth-child(1) { animation-delay: 0.1s; }
.form-section.active .form-group:nth-child(2) { animation-delay: 0.2s; }
.form-section.active .form-group:nth-child(3) { animation-delay: 0.3s; }
.form-section.active .form-group:nth-child(4) { animation-delay: 0.4s; }
.form-section.active .form-group:nth-child(5) { animation-delay: 0.5s; }

/* Accessibility focus styles with animation */
:focus {
    outline: none;
}

:focus-visible {
    outline: 2px solid var(--primary-light);
    outline-offset: 2px;
    animation: focus-pulse 1s infinite alternate;
}

@keyframes focus-pulse {
    from { outline-color: var(--primary-light); }
    to { outline-color: var(--accent-color); }
}

/* Custom scrollbar with smooth hover effect */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border-radius: 10px;
    transition: var(--transition-normal);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Add floating particles to the DOM */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.particles div {
    position: absolute;
    border-radius: 50%;
}

/* Print styles for better printing */
@media print {
    body {
        background: white;
        padding: 0;
    }
    
    body::before,
    body::after,
    .particles {
        display: none;
    }
    
    .registration-form {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .form-section {
        display: block !important;
        page-break-inside: avoid;
    }
    
    .btn, .form-navigation {
        display: none;
    }
}