:root {
    --color-bg: #0b0c10;
    --color-bg-alt: #12141a;
    --color-surface: #1a1d26;
    --color-surface-2: #222633;
    --color-text: #f5f7ff;
    --color-text-muted: #9aa3b2;
    --color-primary: #4f46e5;
    --color-primary-light: #6366f1;
    --color-accent: #06b6d4;
    --color-accent-glow: rgba(6, 182, 212, 0.25);
    --color-success: #10b981;
    --color-error: #ef4444;
    --color-border: rgba(255, 255, 255, 0.08);
    --radius: 12px;
    --radius-lg: 20px;
    --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
    --transition: 0.25s ease;
    --container: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 96px 0;
}

.section-alt {
    background-color: var(--color-bg-alt);
}

.section-header {
    max-width: 720px;
    margin-bottom: 56px;
}

.section-header.split {
    max-width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 24px;
}

.eyebrow {
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 12px;
}

h1, h2, h3, h4 {
    line-height: 1.2;
    font-weight: 700;
}

h1 {
    font-size: clamp(2.6rem, 6vw, 4.2rem);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    margin-bottom: 16px;
}

h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
}

.section-subtitle {
    color: var(--color-text-muted);
    font-size: 1.15rem;
    max-width: 640px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition), border-color var(--transition);
    border: 1px solid transparent;
    cursor: pointer;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: #fff;
    box-shadow: 0 8px 24px rgba(79, 70, 229, 0.35);
}

.btn-primary:hover {
    box-shadow: 0 12px 32px rgba(79, 70, 229, 0.45);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 18px 0;
    background: rgba(11, 12, 16, 0.75);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
    transition: background var(--transition), border-color var(--transition), padding var(--transition);
}

.header.scrolled {
    padding: 12px 0;
    border-color: var(--color-border);
    background: rgba(11, 12, 16, 0.92);
}

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

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    color: var(--color-accent);
    font-size: 1.4rem;
    line-height: 1;
}

.logo-accent {
    color: var(--color-accent);
    font-weight: 500;
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav a {
    color: var(--color-text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition);
}

.nav a:hover {
    color: var(--color-text);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 140px 0 100px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(79, 70, 229, 0.15), transparent 45%),
        radial-gradient(circle at 80% 70%, rgba(6, 182, 212, 0.12), transparent 45%);
    pointer-events: none;
}

.hero .container {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.hero-content {
    max-width: 640px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(6, 182, 212, 0.12);
    border: 1px solid rgba(6, 182, 212, 0.25);
    border-radius: 999px;
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 20px;
}

.hero-subtitle {
    color: var(--color-text-muted);
    font-size: 1.2rem;
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.hero-note {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 420px;
}

.orbit {
    position: relative;
    width: 340px;
    height: 340px;
}

.orbit-ring {
    position: absolute;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    inset: 0;
}

.orbit-ring::after {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--color-accent);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--color-accent);
}

.ring-1 {
    animation: spin 12s linear infinite;
}

.ring-1::after {
    top: -5px;
    left: 50%;
    transform: translateX(-50%);
}

.ring-2 {
    inset: 45px;
    border-color: rgba(79, 70, 229, 0.3);
    animation: spin 18s linear infinite reverse;
}

.ring-2::after {
    background: var(--color-primary-light);
    box-shadow: 0 0 20px var(--color-primary-light);
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
}

.ring-3 {
    inset: 90px;
    border-style: dashed;
    animation: spin 24s linear infinite;
}

.ring-3::after {
    background: #fff;
    box-shadow: 0 0 20px #fff;
    top: 50%;
    right: -5px;
    transform: translateY(-50%);
}

.orbit-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90px;
    height: 90px;
    background: radial-gradient(circle, var(--color-primary-light), var(--color-primary));
    border-radius: 50%;
    box-shadow: 0 0 60px rgba(79, 70, 229, 0.5);
}

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

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: transform var(--transition), border-color var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-accent);
}

.stat-number,
.stat-suffix {
    display: inline-block;
    font-size: 2.2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-text), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-suffix {
    margin-left: 2px;
}

.stat-label {
    display: block;
    color: var(--color-text-muted);
    margin-top: 8px;
    font-size: 0.95rem;
}

/* Steps */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.step-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px;
    position: relative;
    transition: transform var(--transition), border-color var(--transition);
}

.step-card:hover {
    transform: translateY(-6px);
    border-color: var(--color-primary-light);
}

.step-number {
    display: inline-block;
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.05);
    position: absolute;
    top: 16px;
    right: 20px;
    line-height: 1;
}

.step-card h3 {
    margin-bottom: 12px;
}

.step-card p {
    color: var(--color-text-muted);
    font-size: 0.98rem;
}

/* Cards */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.card:hover {
    transform: translateY(-6px);
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 18px;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface-2);
    border-radius: 14px;
}

.card p {
    color: var(--color-text-muted);
    font-size: 0.98rem;
}

/* Earnings */
.earnings-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.earnings-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 36px 28px;
    text-align: center;
    transition: transform var(--transition), border-color var(--transition);
}

.earnings-card.featured {
    border-color: var(--color-primary-light);
    background: linear-gradient(180deg, var(--color-surface), rgba(79, 70, 229, 0.1));
    transform: scale(1.02);
}

.earnings-card:hover {
    transform: translateY(-6px);
    border-color: var(--color-accent);
}

.earnings-card.featured:hover {
    transform: scale(1.02) translateY(-6px);
}

.earnings-amount {
    display: block;
    font-size: 2.2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-text), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.earnings-title {
    display: block;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.earnings-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px;
    transition: border-color var(--transition);
}

.testimonial:hover {
    border-color: var(--color-primary-light);
}

.testimonial p {
    color: var(--color-text);
    font-style: italic;
    margin-bottom: 20px;
    line-height: 1.7;
}

.testimonial footer {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.testimonial footer strong {
    color: var(--color-text);
}

.testimonial footer span {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* FAQ */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 800px;
}

.faq-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    transition: border-color var(--transition);
}

.faq-item:hover {
    border-color: var(--color-primary-light);
}

.faq-item summary {
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.4rem;
    color: var(--color-accent);
    transition: transform var(--transition);
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-item p {
    color: var(--color-text-muted);
    margin-top: 16px;
    line-height: 1.7;
}

/* CTA */
.cta {
    padding: 60px 0 120px;
}

.cta-box {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.2), rgba(6, 182, 212, 0.15));
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 64px 48px;
    text-align: center;
}

.cta-box h2 {
    max-width: 720px;
    margin: 0 auto 16px;
}

.cta-box p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    margin-bottom: 32px;
}

/* Contact */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: flex-start;
}

.contact-info p {
    color: var(--color-text-muted);
    margin-bottom: 28px;
    font-size: 1.05rem;
}

.contact-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-list li {
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--color-text);
}

.contact-list a {
    color: var(--color-accent);
    transition: color var(--transition);
}

.contact-list a:hover {
    color: var(--color-text);
}

.contact-form {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label,
.radio-label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    color: var(--color-text);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea,
.form-group.error .input-prefix-wrapper,
.input-prefix-wrapper.error input {
    border-color: var(--color-error);
}

.error-message {
    display: block;
    color: var(--color-error);
    font-size: 0.85rem;
    margin-top: 6px;
    min-height: 1.2em;
}

.hint {
    display: block;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-top: 6px;
}

.form-group textarea {
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

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

/* Footer */
.footer {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: 48px 0 32px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-nav {
    display: flex;
    gap: 28px;
}

.footer-nav a {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    transition: color var(--transition);
}

.footer-nav a:hover {
    color: var(--color-text);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: 600;
    transition: border-color var(--transition), color var(--transition);
}

.social-links a:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* Registration Page */
.registration-page {
    background: var(--color-bg);
}

.registration-page .header-minimal {
    position: relative;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
}

.registration-main {
    padding: 64px 0 96px;
}

.registration-wrapper {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 40px;
    align-items: flex-start;
}

.registration-sidebar {
    position: sticky;
    top: 100px;
}

.registration-sidebar-content {
    background: linear-gradient(180deg, var(--color-surface), rgba(79, 70, 229, 0.1));
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.registration-sidebar-content h1 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.registration-sidebar-content > p {
    color: var(--color-text-muted);
    margin-bottom: 32px;
}

.registration-benefits {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.benefit {
    display: flex;
    gap: 14px;
}

.benefit-icon {
    font-size: 1.4rem;
    flex-shrink: 0;
}

.benefit strong {
    display: block;
    color: var(--color-text);
    margin-bottom: 4px;
}

.benefit p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.registration-form-container {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
}

/* Progress Bar */
.progress-bar {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    position: relative;
}

.progress-bar::before {
    content: '';
    position: absolute;
    top: 14px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-border);
    z-index: 0;
}

.progress-step {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.step-dot {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--color-surface-2);
    border: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.progress-step.active .step-dot,
.progress-step.completed .step-dot {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.progress-step.completed .step-dot::after {
    content: '✓';
}

.progress-step.completed .step-dot {
    font-size: 0;
}

.step-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-align: center;
    transition: color var(--transition);
}

.progress-step.active .step-label,
.progress-step.completed .step-label {
    color: var(--color-text);
}

/* Form Steps */
.form-step {
    display: none;
    border: none;
    padding: 0;
    margin: 0;
    min-width: 0;
}

.form-step.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

.step-title {
    font-size: 1.5rem;
    margin-bottom: 8px;
    color: var(--color-text);
}

.step-description {
    color: var(--color-text-muted);
    margin-bottom: 28px;
}

.form-actions {
    display: flex;
    gap: 16px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.form-actions .btn {
    min-width: 140px;
}

.input-prefix-wrapper {
    display: flex;
    align-items: center;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    overflow: hidden;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.input-prefix-wrapper:focus-within {
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

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

.input-prefix {
    padding: 14px 12px 14px 16px;
    color: var(--color-text-muted);
    font-weight: 600;
    border-right: 1px solid var(--color-border);
    background: var(--color-surface-2);
}

.input-prefix-wrapper input {
    border: none;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    flex: 1;
}

.input-prefix-wrapper input:focus {
    box-shadow: none;
}

.info-box {
    background: rgba(6, 182, 212, 0.08);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: var(--radius);
    padding: 20px;
    margin: 24px 0;
}

.info-box strong {
    display: block;
    color: var(--color-accent);
    margin-bottom: 8px;
}

.info-box p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin: 0;
}

/* KYC */
.kyc-info {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 28px;
}

.kyc-info h3 {
    margin-bottom: 14px;
}

.kyc-info p,
.kyc-info li {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 10px;
    line-height: 1.6;
}

.kyc-info ul {
    padding-left: 20px;
    margin-bottom: 10px;
}

.kyc-info strong {
    color: var(--color-text);
}

/* Uploads */
.upload-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 8px;
}

.upload-group input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.upload-group label {
    display: block;
    padding: 32px 20px;
    background: var(--color-bg);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
    text-align: center;
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
    margin-bottom: 8px;
}

.upload-group label:hover {
    border-color: var(--color-primary-light);
    background: rgba(79, 70, 229, 0.05);
}

.upload-group.error label {
    border-color: var(--color-error);
    background: rgba(239, 68, 68, 0.05);
}

.upload-group.error .file-name {
    color: var(--color-error);
}

.upload-group label::before {
    content: '📎';
    display: block;
    font-size: 1.6rem;
    margin-bottom: 8px;
}

.upload-group .file-name {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    word-break: break-all;
}

/* Checkbox & Radio */
.checkbox-group,
.radio-group {
    margin: 24px 0;
}

.checkbox-label,
.radio-option {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

.checkbox-label input,
.radio-option input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkmark,
.radio-mark {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    border: 2px solid var(--color-border);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color var(--transition), background var(--transition);
    margin-top: 2px;
}

.radio-mark {
    border-radius: 50%;
}

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

.checkbox-label input:checked + .checkmark::after {
    content: '✓';
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
}

.radio-options {
    display: flex;
    gap: 24px;
    margin-top: 12px;
}

.radio-option {
    align-items: center;
}

.radio-option input:checked + .radio-mark {
    border-color: var(--color-primary);
}

.radio-option input:checked + .radio-mark::after {
    content: '';
    width: 10px;
    height: 10px;
    background: var(--color-primary);
    border-radius: 50%;
}

.license-uploads {
    display: none;
    animation: fadeIn 0.3s ease;
}

.license-uploads.visible {
    display: block;
}

/* Summary */
.summary-box {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 28px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.95rem;
}

.summary-row:last-child {
    border-bottom: none;
}

.summary-row span:first-child {
    color: var(--color-text-muted);
}

.summary-row span:last-child {
    color: var(--color-text);
    font-weight: 500;
    text-align: right;
    max-width: 60%;
}

/* Success */
.registration-success {
    text-align: center;
    padding: 40px 20px;
    animation: fadeIn 0.5s ease;
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: var(--color-success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: #fff;
    box-shadow: 0 0 40px rgba(16, 185, 129, 0.3);
}

.registration-success h2 {
    margin-bottom: 16px;
}

.registration-success > p {
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

.success-info {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    max-width: 560px;
    margin: 0 auto 32px;
    text-align: left;
}

.success-info p {
    color: var(--color-text);
    margin-bottom: 12px;
}

.success-info ul {
    color: var(--color-text-muted);
    padding-left: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Loading spinner */
.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Responsive */
@media (max-width: 1100px) {
    .registration-wrapper {
        grid-template-columns: 1fr;
    }

    .registration-sidebar {
        position: static;
    }

    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        margin: 0 auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-visual {
        min-height: 320px;
    }

    .orbit {
        width: 280px;
        height: 280px;
    }

    .stats-grid,
    .cards-grid,
    .team-grid,
    .earnings-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-wrapper {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 72px 0;
    }

    .section-header.split {
        flex-direction: column;
        align-items: flex-start;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: min(320px, 80%);
        height: 100vh;
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: 100px 32px 32px;
        background: var(--color-bg);
        border-left: 1px solid var(--color-border);
        transition: right var(--transition);
        z-index: 999;
    }

    .nav.open {
        right: 0;
    }

    .nav a {
        display: block;
        width: 100%;
        padding: 14px 0;
        border-bottom: 1px solid var(--color-border);
        font-size: 1.1rem;
    }

    .menu-toggle {
        display: flex;
        position: relative;
        z-index: 1001;
    }

    .stats-grid,
    .cards-grid,
    .team-grid,
    .earnings-grid,
    .testimonials-grid,
    .steps-grid {
        grid-template-columns: 1fr;
    }

    .form-row,
    .upload-row {
        grid-template-columns: 1fr;
    }

    .progress-bar {
        gap: 4px;
    }

    .step-label {
        display: none;
    }

    .publication-item {
        flex-direction: column;
        gap: 16px;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .cta-box {
        padding: 40px 24px;
    }

    .footer-top,
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }

    .registration-form-container {
        padding: 24px;
    }

    .registration-sidebar-content {
        padding: 28px;
    }
}

/* Light theme */
[data-theme="light"] {
    --color-bg: #f8f9fc;
    --color-bg-alt: #eef1f7;
    --color-surface: #ffffff;
    --color-surface-2: #f1f3f8;
    --color-text: #111827;
    --color-text-muted: #4b5563;
    --color-border: rgba(0, 0, 0, 0.08);
    --shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .header,
[data-theme="light"] .header.scrolled {
    background: rgba(248, 249, 252, 0.92);
    color: var(--color-text);
}

[data-theme="light"] .hero-bg {
    background:
        radial-gradient(circle at 20% 30%, rgba(79, 70, 229, 0.08), transparent 45%),
        radial-gradient(circle at 80% 70%, rgba(6, 182, 212, 0.06), transparent 45%);
}

[data-theme="light"] .stat-number,
[data-theme="light"] .stat-suffix,
[data-theme="light"] .earnings-amount {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    background-clip: text;
}

[data-theme="light"] .step-number {
    color: rgba(17, 24, 39, 0.06);
}

[data-theme="light"] .orbit-ring {
    border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .footer,
[data-theme="light"] .section-alt {
    background-color: var(--color-bg-alt);
}

[data-theme="light"] .contact-form,
[data-theme="light"] .card,
[data-theme="light"] .stat-card,
[data-theme="light"] .step-card,
[data-theme="light"] .earnings-card,
[data-theme="light"] .testimonial,
[data-theme="light"] .faq-item,
[data-theme="light"] .cta-box,
[data-theme="light"] .info-box,
[data-theme="light"] .kyc-info,
[data-theme="light"] .summary-box {
    background: var(--color-surface);
    border-color: var(--color-border);
}

[data-theme="light"] .form-group input,
[data-theme="light"] .form-group select,
[data-theme="light"] .form-group textarea,
[data-theme="light"] .input-prefix-wrapper,
[data-theme="light"] .search-input {
    background: var(--color-bg);
    border-color: var(--color-border);
    color: var(--color-text);
}

[data-theme="light"] .input-prefix {
    background: var(--color-surface-2);
    border-color: var(--color-border);
}

[data-theme="light"] .upload-group label {
    background: var(--color-bg);
    border-color: var(--color-border);
}

[data-theme="light"] .upload-group label:hover {
    background: rgba(79, 70, 229, 0.03);
}

[data-theme="light"] .registration-form-container,
[data-theme="light"] .registration-sidebar-content,
[data-theme="light"] .contact-form {
    background: var(--color-surface);
    border-color: var(--color-border);
}

[data-theme="light"] .progress-bar::before {
    background: var(--color-border);
}

[data-theme="light"] .step-dot {
    background: var(--color-surface-2);
    border-color: var(--color-border);
}

[data-theme="light"] .progress-step.active .step-dot,
[data-theme="light"] .progress-step.completed .step-dot {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

[data-theme="light"] .btn-outline {
    border-color: var(--color-border);
    color: var(--color-text);
}

[data-theme="light"] .btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

[data-theme="light"] .success-info {
    background: var(--color-bg);
    border-color: var(--color-border);
}

[data-theme="light"] .social-links a {
    background: var(--color-surface);
    border-color: var(--color-border);
}

[data-theme="light"] .menu-toggle span {
    background: var(--color-text);
}

[data-theme="light"] .nav {
    background: var(--color-bg);
    border-color: var(--color-border);
}

/* Trust badges */
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-theme {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: background var(--transition), border-color var(--transition);
}

.header-theme:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-accent);
}

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 24px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.hero-trust span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.trust-badges {
    padding: 64px 0;
    background: var(--color-bg-alt);
}

.badges-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.trust-badge {
    text-align: center;
    padding: 24px;
}

.trust-icon {
    font-size: 2.2rem;
    margin-bottom: 14px;
    display: block;
}

.trust-badge h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.trust-badge p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Privacy section */
.privacy-wrapper {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 64px;
    align-items: center;
}

.privacy-content p {
    color: var(--color-text-muted);
    margin-bottom: 24px;
    font-size: 1.05rem;
}

.privacy-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.privacy-list li {
    position: relative;
    padding-left: 28px;
    color: var(--color-text);
    line-height: 1.6;
}

.privacy-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: 700;
}

.privacy-list li strong {
    color: var(--color-text);
}

.privacy-visual {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 48px;
    text-align: center;
}

.shield-icon {
    font-size: 5rem;
    margin-bottom: 16px;
}

.privacy-visual p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    margin: 0;
}

/* Responsive additions */
@media (max-width: 1024px) {
    .badges-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .privacy-wrapper {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .privacy-list li {
        text-align: left;
    }

    .hero-trust {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .badges-grid {
        grid-template-columns: 1fr;
    }

    .hero-trust {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
}

/* Registration privacy */
.registration-privacy {
    margin-top: 32px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
}

.registration-privacy h3 {
    font-size: 1.05rem;
    margin-bottom: 14px;
    color: var(--color-text);
}

.registration-privacy ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.registration-privacy li {
    position: relative;
    padding-left: 22px;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.registration-privacy li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: 700;
}

[data-theme="light"] .registration-privacy {
    border-color: var(--color-border);
}

/* Partners & social proof */
.section-sm {
    padding: 48px 0;
}

.partners {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

.partners-title {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.partners-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    flex-wrap: wrap;
}

.partner-logo {
    color: var(--color-text-muted);
    font-weight: 700;
    font-size: 1.1rem;
    opacity: 0.6;
    transition: opacity var(--transition);
}

.partner-logo:hover {
    opacity: 1;
}

.social-proof-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.live-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(16, 185, 129, 0.12);
    color: var(--color-success);
    padding: 8px 16px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.85rem;
}

.live-dot {
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.social-proof-text {
    color: var(--color-text-muted);
}

.social-proof-text strong {
    color: var(--color-text);
}

/* Calculator */
.calculator-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 48px;
    align-items: center;
}

.calculator-controls {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.calculator-controls input[type="range"] {
    width: 100%;
    margin: 12px 0;
    accent-color: var(--color-primary);
}

.calc-value {
    display: block;
    color: var(--color-accent);
    font-weight: 600;
    margin-top: 4px;
}

.calculator-result {
    text-align: center;
    padding: 40px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.calc-label {
    display: block;
    color: var(--color-text-muted);
    margin-bottom: 12px;
}

.calc-amount {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-text), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.calc-note {
    color: var(--color-success);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Referral */
.referral-box {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 48px;
    align-items: center;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.15), rgba(6, 182, 212, 0.1));
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 64px;
}

.referral-content p {
    color: var(--color-text-muted);
    margin-bottom: 24px;
    font-size: 1.05rem;
}

.referral-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.referral-circle {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
    box-shadow: 0 20px 50px rgba(79, 70, 229, 0.35);
    animation: float 4s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

/* Responsive additions */
@media (max-width: 1024px) {
    .calculator-box,
    .referral-box {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .referral-circle {
        width: 120px;
        height: 120px;
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .partners-logos {
        gap: 24px;
    }

    .calculator-box,
    .referral-box {
        padding: 32px 24px;
    }

    .calc-amount {
        font-size: 2.2rem;
    }
}

/* File upload previews */
.file-preview {
    margin: 12px 0;
    min-height: 120px;
    background: var(--color-bg);
    border: 1px dashed var(--color-border);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.file-preview img {
    max-width: 100%;
    max-height: 180px;
    object-fit: contain;
    border-radius: 6px;
}

.file-preview-doc {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    text-align: center;
    padding: 16px;
}

[data-theme="light"] .file-preview {
    background: var(--color-bg);
    border-color: var(--color-border);
}