/* ========================================
   RESET & BASE STYLES
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Scandinavian Color Palette */
    --color-bg: #FAFAFA;
    --color-surface: #FFFFFF;
    --color-primary: #2C3E50;
    --color-primary-hover: #1A252F;
    --color-accent: #3498DB;
    --color-accent-hover: #2980B9;
    --color-text: #2C3E50;
    --color-text-light: #7F8C8D;
    --color-border: #E0E0E0;
    --color-error: #E74C3C;
    --color-success: #27AE60;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 3rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background: linear-gradient(135deg, #FAFAFA 0%, #F0F0F0 100%);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    scroll-behavior: smooth;
}

/* ========================================
   LAYOUT
   ======================================== */

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.view {
    display: none;
    opacity: 0;
    width: 100%;
    animation: fadeIn var(--transition-slow) forwards;
}

.view.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-10px);
    }
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
}

h2 {
    font-size: var(--font-size-2xl);
}

h3 {
    font-size: var(--font-size-xl);
    font-weight: 500;
}

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

.step-description {
    color: var(--color-text-light);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-xl);
    font-weight: 400;
}

.field-hint {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
    font-style: italic;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-family);
    outline: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

.btn:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background-color: rgba(44, 62, 80, 0.05);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ========================================
   LANGUAGE SWITCHER
   ======================================== */

.language-switcher {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-xs);
    background-color: var(--color-surface);
    padding: var(--spacing-xs);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
}

.lang-btn {
    width: 48px;
    height: 48px;
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    background-color: transparent;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.lang-btn:hover {
    border-color: var(--color-accent);
    transform: scale(1.15) rotate(5deg);
}

.lang-btn:active {
    transform: scale(0.95);
}

.lang-btn:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

.lang-btn.active {
    border-color: var(--color-primary);
    background-color: var(--color-bg);
}

/* ========================================
   TOAST NOTIFICATION
   ======================================== */

.toast {
    position: fixed;
    top: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background-color: var(--color-surface);
    color: var(--color-text);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    opacity: 0;
    transition: all var(--transition-base);
    max-width: 500px;
    text-align: center;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast.success {
    background-color: var(--color-success);
    color: white;
}

.toast.error {
    background-color: var(--color-error);
    color: white;
}

/* ========================================
   VIEW A: LANDING PAGE
   ======================================== */

.landing-content {
    text-align: center;
    padding: var(--spacing-xxl) 0;
}

.headline {
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary);
}

.description {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.8;
}

/* ========================================
   VIEW B: FORM WIZARD
   ======================================== */

.form-container {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.85));
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

/* Progress Bar */
.progress-wrapper {
    margin-bottom: var(--spacing-xl);
}

.progress-bar {
    width: 100%;
    height: 10px;
    background-color: var(--color-bg);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
    border-radius: var(--radius-full);
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    width: 0%;
    position: relative;
    overflow: hidden;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-text {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.progress-percent {
    font-weight: 600;
    color: var(--color-primary);
    font-size: var(--font-size-base);
}

/* Form Steps */
.form-step {
    display: none;
    min-height: 350px;
}

/* Intro card tweaks to match site look */
.intro-card {
    background: linear-gradient(135deg, rgba(255,255,255,0.98), rgba(255,255,255,0.9));
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
}

.intro-question {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.intro-card .radio-group {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.intro-card .radio-label {
    flex: 1;
    justify-content: center;
}

.intro-card .radio-label span {
    padding-left: 0;
    text-align: center;
    width: 100%;
}

.form-step.active {
    display: block;
    animation: slideInFade 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideInFade {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.step-description {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.form-step h2 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    display: inline-block;
    position: relative;
    padding-bottom: var(--spacing-xs);
}

.form-step h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), transparent);
    border-radius: 2px;
}

/* Form Groups */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.required {
    color: var(--color-error);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="number"],
.form-group input[type="tel"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: all var(--transition-base);
    background-color: var(--color-surface);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px rgba(52, 152, 219, 0.1);
    transform: translateY(-1px);
}

.form-group input:hover:not(:focus),
.form-group select:hover:not(:focus),
.form-group textarea:hover:not(:focus) {
    border-color: #C0C0C0;
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: var(--color-error);
    background-color: rgba(231, 76, 60, 0.05);
}

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

.error-message {
    display: none;
    color: var(--color-error);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    animation: slideIn 0.3s ease;
}

.form-group.has-error .error-message {
    display: block;
}

/* Radio Group */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}


.radio-label {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    background-color: var(--color-surface);
}

.radio-label:hover {
    border-color: var(--color-accent);
    background-color: rgba(52, 152, 219, 0.03);
    transform: translateX(2px);
}

.radio-label:has(input:checked) {
    border-color: var(--color-primary);
    background-color: rgba(44, 62, 80, 0.04);
    font-weight: 600;
}

.radio-label input[type="radio"] {
    /* Visually hide native radio but keep it accessible */
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.radio-label span {
    display: inline-block;
    padding-left: 34px;
    position: relative;
    line-height: 1.2;
}

.radio-label span::before {
    /* removed inner indicator - no styles */
    content: none;
}

/* Parent Contact Section */
#parentContact {
    animation: slideInFade 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

#parentContact::before {
    content: '⚠️';
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    font-size: 24px;
    opacity: 0.3;
}

#parentContact h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

#parentContact h3::before {
    content: '';
    width: 4px;
    height: 20px;
    background: var(--color-accent);
    border-radius: 2px;
}

/* Review Section */
.review-section {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.7));
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.review-section:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.review-section:last-child {
    margin-bottom: 0;
}

.review-section h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.review-section h3::before {
    content: '';
    width: 4px;
    height: 24px;
    background: var(--color-accent);
    border-radius: 2px;
}

.review-list {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: var(--spacing-md) var(--spacing-lg);
}

.review-list dt {
    font-weight: 500;
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

.review-list dd {
    color: var(--color-text);
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.review-list dd:hover {
    background-color: rgba(255, 255, 255, 1);
    transform: translateX(4px);
}

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

.form-navigation .btn {
    flex: 1;
    min-width: 120px;
}

/* ========================================
   VIEW C: CONFIRMATION
   ======================================== */

.confirmation-content {
    text-align: center;
    padding: var(--spacing-xxl) 0;
}

.success-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-success), #2ECC71);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    font-weight: bold;
    box-shadow: 0 10px 40px rgba(46, 204, 113, 0.3);
    animation: scaleIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
}

.success-icon::after {
    content: '';
    position: absolute;
    inset: -10px;
    border-radius: 50%;
    border: 3px solid var(--color-success);
    opacity: 0;
    animation: pulse 2s ease-out infinite;
}

@keyframes pulse {
    0% {
        opacity: 0.6;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(1.3);
    }
}

@keyframes scaleIn {
    0% {
        transform: scale(0) rotate(-180deg);
        opacity: 0;
    }
    50% {
        transform: scale(1.1) rotate(10deg);
    }
    100% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
}

.confirmation-content h1 {
    color: var(--color-primary);
}

.confirmation-content p {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    max-width: 500px;
    margin: 0 auto var(--spacing-xl);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
    :root {
        --font-size-3xl: 2rem;
        --font-size-2xl: 1.5rem;
        --font-size-xl: 1.25rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-xxl: 2.5rem;
    }
    
    .container {
        padding: var(--spacing-sm);
        align-items: flex-start;
        padding-top: var(--spacing-lg);
    }
    
    .form-container {
        padding: var(--spacing-md) var(--spacing-sm);
        border-radius: var(--radius-md);
    }
    
    .language-switcher {
        bottom: var(--spacing-sm);
        right: var(--spacing-sm);
        padding: 4px;
    }
    
    .lang-btn {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }
    
    .review-list {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }
    
    .review-list dt {
        font-weight: 600;
        font-size: var(--font-size-base);
    }
    
    .review-list dd {
        margin-bottom: var(--spacing-md);
        padding: var(--spacing-sm);
    }
    
    .form-navigation {
        flex-direction: column-reverse;
        gap: var(--spacing-sm);
    }
    
    .form-navigation .btn {
        width: 100%;
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .toast {
        max-width: calc(100% - var(--spacing-md) * 2);
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .form-step {
        min-height: auto;
    }
    
    .review-section {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }
    
    .review-section h3 {
        font-size: var(--font-size-base);
    }
    
    .progress-wrapper {
        margin-bottom: var(--spacing-md);
    }
    
    .intro-card {
        padding: var(--spacing-md);
    }
    
    .intro-card .radio-group {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-sm: 0.75rem;
        --spacing-md: 1rem;
    }
    
    h1 {
        font-size: 1.75rem;
        margin-bottom: var(--spacing-sm);
    }
    
    h2 {
        font-size: 1.25rem;
    }
    
    h3 {
        font-size: 1.125rem;
    }
    
    .landing-content {
        padding: var(--spacing-md) 0;
    }
    
    .description {
        font-size: var(--font-size-sm);
        padding: 0 var(--spacing-xs);
    }
    
    .description h2 {
        font-size: 1.125rem;
        margin-top: var(--spacing-md);
    }
    
    .description p {
        margin-bottom: var(--spacing-sm);
    }
    
    .form-container {
        padding: var(--spacing-md) var(--spacing-xs);
    }
    
    .form-group {
        margin-bottom: var(--spacing-md);
    }
    
    .form-group label {
        font-size: var(--font-size-sm);
        margin-bottom: 6px;
    }
    
    .form-group input[type="text"],
    .form-group input[type="email"],
    .form-group input[type="number"],
    .form-group input[type="tel"],
    .form-group input[type="date"],
    .form-group select,
    .form-group textarea {
        padding: 10px 12px;
        font-size: var(--font-size-base);
    }
    
    .btn {
        font-size: var(--font-size-base);
        padding: 12px var(--spacing-lg);
    }
    
    .radio-label {
        padding: 10px 12px;
    }
    
    .radio-label span {
        font-size: var(--font-size-sm);
    }
    
    .success-icon {
        width: 80px;
        height: 80px;
        font-size: 2.5rem;
    }
    
    .confirmation-content p {
        font-size: var(--font-size-base);
    }
    
    .step-description {
        font-size: var(--font-size-sm);
        margin-bottom: var(--spacing-md);
    }
    
    .field-hint {
        font-size: 0.8125rem;
    }
}

/* ========================================
   ACCESSIBILITY
   ======================================== */

/* Skip to content link for screen readers */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* Focus styles for keyboard navigation */
*:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

/* Reduced motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}