:root {
    --color-primary: #0A2540; /* Navy Blue */
    --color-primary-light: #1A365D;
    --color-accent: #EA580C; /* Orange Accent */
    --color-accent-hover: #C2410C;
    --color-bg: #F8FAFC; /* Light gray/white */
    --color-surface: #FFFFFF;
    --color-text: #1E293B;
    --color-text-muted: #64748B;
    --color-danger: #EF4444; /* Red for alerts */
    --color-danger-bg: #FEF2F2;
    --color-danger-border: #FECACA;
    --color-success: #10B981;
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 20px rgba(234, 88, 12, 0.4);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1.5;
    background-image: 
        radial-gradient(circle at top right, rgba(10, 37, 64, 0.03), transparent 40%),
        radial-gradient(circle at bottom left, rgba(234, 88, 12, 0.03), transparent 40%);
}

.hidden {
    display: none !important;
}

/* Typography */
h1, h2, h3, h4 {
    color: var(--color-primary);
    font-weight: 700;
    line-height: 1.2;
}

/* Navbar */
.navbar {
    width: 100%;
    background-color: var(--color-surface);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 50;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.logo {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.badge {
    background-color: var(--color-danger-bg);
    color: var(--color-danger);
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 9999px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Layout */
.main-container {
    max-width: 600px;
    width: 100%;
    margin: 2rem auto;
    padding: 0 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Steps */
.step {
    background-color: var(--color-surface);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

/* Step 1 Hero */
.hero-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.hero-title {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.hero-subtitle {
    color: var(--color-text-muted);
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary);
    background-color: rgba(10, 37, 64, 0.05);
    padding: 0.5rem 1rem;
    border-radius: 9999px;
}

/* Progression */
.progress-wrap {
    margin-bottom: 2rem;
}

.progress-bar {
    height: 8px;
    background-color: #E2E8F0;
    border-radius: 9999px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    width: 20%;
    transition: width 0.5s ease;
    border-radius: 9999px;
}

.progress-text {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-weight: 500;
    text-align: right;
}

/* Questions */
.question-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
}

.options-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.option-btn {
    width: 100%;
    text-align: left;
    padding: 1.25rem 1.5rem;
    background-color: var(--color-surface);
    border: 2px solid #E2E8F0;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    transition: var(--transition);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.option-btn:hover {
    border-color: var(--color-primary);
    background-color: rgba(10, 37, 64, 0.02);
}

.option-circle {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid #CBD5E1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.option-btn:hover .option-circle {
    border-color: var(--color-primary);
}

.option-circle::after {
    content: '';
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--color-primary);
    transform: scale(0);
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.option-btn.selected {
    border-color: var(--color-primary);
    background-color: rgba(10, 37, 64, 0.04);
}

.option-btn.selected .option-circle {
    border-color: var(--color-primary);
}

.option-btn.selected .option-circle::after {
    transform: scale(1);
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
    text-align: left;
}

label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

input[type="text"],
input[type="email"],
input[type="tel"] {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid #CBD5E1;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    transition: var(--transition);
    outline: none;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(10, 37, 64, 0.1);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 600;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1.125rem;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-accent {
    background-color: var(--color-accent);
    color: white;
}

.btn-accent:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-full {
    width: 100%;
}

.glow-effect {
    position: relative;
    overflow: hidden;
}

.glow-effect::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(45deg);
    transition: all 0.3s;
    opacity: 0;
}

.glow-effect:hover::after {
    left: 100%;
    opacity: 1;
    transition: all 0.7s;
}

/* Alerts */
.alert-box {
    padding: 1.25rem;
    border-radius: var(--border-radius-md);
    border: 1px solid transparent;
}

.alert-danger {
    background-color: var(--color-danger-bg);
    border-color: var(--color-danger-border);
    color: #991B1B;
}

.alert-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--color-danger);
    font-size: 1.125rem;
}

/* Utility */
.text-center { text-align: center; }
.text-left { text-align: left; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-5 { margin-top: 1.25rem; }
.mt-8 { margin-top: 2rem; }
.w-full { width: 100%; }
.text-sm { font-size: 0.875rem; }
.text-gray { color: var(--color-text-muted); }

/* Animations */
.fade-in {
    animation: fadeIn 0.4s ease-out forwards;
}

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

/* Spinner */
.spinner {
    width: 20px;
    height: 20px;
    animation: rotate 2s linear infinite;
}

.spinner .path {
    stroke: #ffffff;
    stroke-linecap: round;
    animation: dash 1.5s ease-in-out infinite;
}

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

@keyframes dash {
    0% { stroke-dasharray: 1, 150; stroke-dashoffset: 0; }
    50% { stroke-dasharray: 90, 150; stroke-dashoffset: -35; }
    100% { stroke-dasharray: 90, 150; stroke-dashoffset: -124; }
}

/* Checkbox form consent */
.checkbox-container {
    display: flex;
    align-items: flex-start;
    position: relative;
    cursor: pointer;
    font-size: 0.875rem;
    user-select: none;
    color: var(--color-text-muted);
    font-weight: 400;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    min-width: 20px;
    height: 20px;
    background-color: #fff;
    border: 1px solid #CBD5E1;
    border-radius: 4px;
    margin-right: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.checkbox-container:hover input ~ .checkmark {
    border-color: var(--color-primary);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.checkmark:after {
    content: "";
    display: none;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-bottom: 2px;
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.phone-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 700;
}

.phone-link:hover {
    text-decoration: underline;
}

.glass-panel {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-md);
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.cta-box {
    margin-top: 2rem;
    border: 1px solid rgba(234, 88, 12, 0.2);
    box-shadow: 0 4px 14px 0 rgba(234, 88, 12, 0.1);
}

.cta-box h3 {
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
    color: var(--color-text);
}