/* ============================================
   RA SIGNUP FORM - PREMIUM & SIMPLIFIED
   ============================================ */

   :root {
    --color-primary: #0EA5E9;
    --color-primary-dark: #0284C7;
    --color-success: #10B981;
    --color-success-dark: #059669;
    --color-dark: #0F172A;
    --color-gray-900: #1E293B;
    --color-gray-800: #334155;
    --color-gray-700: #475569;
    --color-gray-600: #64748B;
    --color-gray-400: #CBD5E1;
    --color-gray-300: #E2E8F0;
    --color-gray-200: #F1F5F9;
    --color-gray-100: #F8FAFC;
    --color-white: #FFFFFF;
    
    --font-display: 'Bricolage Grotesque', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    
    --border-radius: 12px;
    --transition: 250ms ease;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
}

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

body {
    font-family: var(--font-body);
    color: var(--color-gray-900);
    background: linear-gradient(180deg, #F8FAFC 0%, #E0F2FE 100%);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ============================================
   NAVIGATION
   ============================================ */

.nav {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: var(--space-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-dark);
    text-decoration: none;
    transition: color var(--transition);
}

.nav-logo:hover {
    color: var(--color-primary);
}

.logo-text strong {
    color: var(--color-primary);
}

.nav-link {
    font-family: var(--font-display);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-700);
    text-decoration: none;
    transition: color var(--transition);
}

.nav-link:hover {
    color: var(--color-primary);
}

/* ============================================
   HERO SECTION
   ============================================ */

.form-hero {
    padding: var(--space-2xl) 0;
    text-align: center;
}

.hero-content {
    max-width: 700px;
    margin: 0 auto;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: var(--color-dark);
    margin-bottom: var(--space-sm);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-700);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-success);
    font-weight: 500;
}

.feature svg {
    flex-shrink: 0;
}

/* ============================================
   FORM SECTION
   ============================================ */

.form-section {
    padding: 0 0 var(--space-2xl);
}

.form-card {
    max-width: 700px;
    margin: 0 auto;
    background: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    padding: var(--space-2xl);
    animation: fadeInUp 0.6s ease-out;
}

@media (max-width: 768px) {
    .form-card {
        padding: var(--space-lg);
    }
}

/* ============================================
   PROGRESS DOTS
   ============================================ */

.progress-dots {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-gray-300);
    transition: all var(--transition);
}

.dot.active {
    background: var(--color-primary);
    width: 32px;
    border-radius: 6px;
}

/* ============================================
   FORM STEPS
   ============================================ */

.form-step {
    display: none;
}

.form-step.active {
    display: block;
    animation: fadeIn 0.4s ease-out;
}

.step-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--space-sm);
}

.step-description {
    font-size: 1rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-lg);
}

/* ============================================
   FORM ELEMENTS
   ============================================ */

.form-group {
    margin-bottom: var(--space-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

@media (max-width: 640px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.form-label {
    display: block;
    font-family: var(--font-display);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-xs);
}

.optional {
    font-weight: 400;
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-gray-900);
    background: var(--color-white);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--border-radius);
    transition: all var(--transition);
}

.form-input:hover {
    border-color: var(--color-gray-400);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.form-input::placeholder {
    color: var(--color-gray-400);
}

.form-hint {
    display: block;
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-top: 0.375rem;
}

/* ============================================
   INTEREST CARDS
   ============================================ */

.interest-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

@media (max-width: 640px) {
    .interest-grid {
        grid-template-columns: 1fr;
    }
}

.interest-card {
    position: relative;
    cursor: pointer;
}

.interest-input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.interest-content {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-gray-100);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--border-radius);
    transition: all var(--transition);
}

.interest-card:hover .interest-content {
    border-color: var(--color-gray-400);
    transform: translateY(-2px);
}

.interest-input:checked + .interest-content {
    background: rgba(14, 165, 233, 0.1);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.interest-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.interest-label {
    font-family: var(--font-display);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-gray-700);
    flex-grow: 1;
}

.interest-input:checked + .interest-content .interest-label {
    color: var(--color-primary);
}

.interest-check {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-white);
    border: 2px solid var(--color-gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    flex-shrink: 0;
}

.interest-check svg {
    opacity: 0;
    transition: opacity var(--transition);
    color: var(--color-white);
}

.interest-input:checked + .interest-content .interest-check {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.interest-input:checked + .interest-content .interest-check svg {
    opacity: 1;
}

/* ============================================
   CHECKBOX ITEMS
   ============================================ */

.checkbox-item {
    display: flex;
    align-items: start;
    gap: var(--space-sm);
    cursor: pointer;
}

.checkbox-item input[type="checkbox"] {
    margin-top: 0.25rem;
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.checkbox-text {
    font-size: 0.9375rem;
    color: var(--color-gray-700);
    line-height: 1.6;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.875rem 1.75rem;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--border-radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 4px 14px 0 rgba(14, 165, 233, 0.3);
}

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(14, 165, 233, 0.4);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-gray-700);
    border-color: var(--color-gray-300);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-gray-100);
    border-color: var(--color-gray-400);
}

.btn-success {
    background: var(--color-success);
    color: var(--color-white);
    box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.3);
}

.btn-success:hover:not(:disabled) {
    background: var(--color-success-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(16, 185, 129, 0.4);
}

.form-navigation {
    display: flex;
    justify-content: space-between;
    gap: var(--space-md);
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-gray-200);
}

@media (max-width: 640px) {
    .form-navigation {
        flex-direction: column-reverse;
    }
}

/* ============================================
   SUCCESS SCREEN
   ============================================ */

.success-screen {
    text-align: center;
    padding: var(--space-xl) 0;
}

.success-animation {
    margin-bottom: var(--space-lg);
    animation: scaleIn 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.success-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-dark);
    margin-bottom: var(--space-md);
}

.success-text {
    font-size: 1.125rem;
    color: var(--color-gray-700);
    margin-bottom: var(--space-sm);
    line-height: 1.6;
}

.success-subtext {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-xl);
}

.success-subtext strong {
    color: var(--color-primary);
}

/* ============================================
   TRUST SECTION
   ============================================ */

.trust-section {
    padding: var(--space-xl) 0;
    text-align: center;
}

.trust-label {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.trust-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.trust-logo {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-gray-400);
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

/* ============================================
   LOADING STATE
   ============================================ */

.ra-form.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.ra-form.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 4px solid var(--color-gray-300);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

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

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.btn:focus-visible,
.form-input:focus-visible,
.interest-card:focus-within {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}