:root {
    --bg-color: #0a0a0a;
    --card-bg: #141414;
    --border-color: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --accent-color: #00a2e8;
    --accent-hover: #008cc9;
    --error-color: #ef4444;
    --success-color: #10b981;
    --warning-bg: #2d1f05;
    --warning-text: #f59e0b;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.5;
    padding: 2rem 1rem;
    min-height: 100vh;
}

/* Header & Logo */
.header {
    text-align: center;
    margin-bottom: 3rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.dot {
    color: var(--accent-color);
}

/* Container */
.container {
    max-width: 650px;
    margin: 0 auto;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* Typography */
h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 2rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.hero {
    text-align: center;
    margin-bottom: 2rem;
}

/* Alert */
.alert {
    background-color: var(--warning-bg);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.alert-icon {
    font-size: 1.5rem;
}

.alert-content strong {
    color: var(--warning-text);
    display: block;
    margin-bottom: 0.25rem;
}

.alert-content p {
    color: #ffd885;
    font-size: 0.9rem;
}

/* Forms & Inputs */
.section {
    margin-bottom: 2.5rem;
}

#section-private, #section-company {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

#section-private.active, #section-company.active {
    display: block;
}

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

.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.grid.col-3 {
    grid-template-columns: 80px 1fr 80px;
}

.input-group {
    margin-bottom: 1.25rem;
    display: flex;
    flex-direction: column;
}

.input-group label {
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 0.4rem;
    color: var(--text-secondary);
}

.input-group input, .input-group textarea {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.input-group input:focus, .input-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 162, 232, 0.15);
}

.input-group input.error {
    border-color: var(--error-color);
}

/* Radio Cards */
.radio-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

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

.radio-card input {
    position: absolute;
    opacity: 0;
}

.radio-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.2s;
}

.radio-card input:checked ~ .radio-content {
    border-color: var(--accent-color);
    background-color: rgba(0, 162, 232, 0.05);
}

.radio-circle {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--text-secondary);
    position: relative;
}

.radio-card input:checked ~ .radio-content .radio-circle {
    border-color: var(--accent-color);
}

.radio-card input:checked ~ .radio-content .radio-circle::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    background-color: var(--accent-color);
    border-radius: 50%;
}

.radio-label {
    font-weight: 500;
}

/* Subsections & Badges */
.subsection {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1.5rem 0;
}

.subsection h3 {
    margin-top: 0;
    border: none;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.badge {
    background-color: var(--error-color);
    color: white;
    font-size: 0.65rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.help-text {
    margin-bottom: 1rem;
    font-size: 0.85rem;
    color: var(--accent-color);
}

.optional-label {
    font-style: italic;
    font-weight: 400;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Checkboxes */
.checkbox-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

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

.checkmark {
    position: relative;
    top: 2px;
    width: 20px;
    height: 20px;
    min-width: 20px;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: all 0.2s;
}

.checkbox-label:hover input ~ .checkmark {
    border-color: var(--text-secondary);
}

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

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 6px;
    top: 2px;
    width: 4px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

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

.checkbox-label input:checked ~ span:last-child {
    color: var(--text-primary);
}

/* Button & CTA */
.cta-section {
    text-align: center;
}

.primary-btn {
    background-color: var(--accent-color);
    color: var(--bg-color);
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    width: 100%;
    transition: all 0.2s;
    font-family: inherit;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.primary-btn:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 162, 232, 0.4);
}

.primary-btn:active {
    transform: translateY(0);
}

.primary-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.cta-subtitle {
    margin-top: 1rem;
    font-size: 0.85rem;
}

/* Loader */
.spinner {
    border: 3px solid rgba(0,0,0,0.1);
    border-radius: 50%;
    border-top: 3px solid var(--bg-color);
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

.hide {
    display: none !important;
}

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

/* Status Message */
.status-message {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
}

.status-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-error {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Responsive */
@media (max-width: 600px) {
    .grid {
        grid-template-columns: 1fr;
    }
    .grid.col-3 {
        grid-template-columns: 80px 1fr;
    }
    .grid.col-3 > .input-group:nth-child(3) {
        grid-column: 1 / -1;
    }
    .container {
        padding: 1.5rem;
        border-radius: 12px;
    }
    .radio-group {
        grid-template-columns: 1fr;
    }
}

/* Fullscreen Loader */
.fullscreen-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.loader-content {
    text-align: center;
}

.spinner-large {
    border: 4px solid rgba(0, 162, 232, 0.1);
    border-radius: 50%;
    border-top: 4px solid var(--accent-color);
    width: 60px;
    height: 60px;
    animation: spin 1s linear infinite;
    margin: 0 auto 1.5rem;
}

/* Checkbox Error State */
.checkbox-label.error .checkmark {
    border-color: var(--error-color);
    background-color: rgba(239, 68, 68, 0.05);
}
.checkbox-label.error span:last-child {
    color: var(--error-color);
}

/* Success Page */
.success-container {
    text-align: center;
    padding: 4rem 2rem;
    max-width: 500px;
    margin: 10vh auto;
}

.success-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    color: var(--success-color);
}

.countdown-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-color);
    margin-top: 2rem;
}