:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #141825;
    --bg-tertiary: #1a2030;
    --accent: #00ff88;
    --accent-dark: #00cc6a;
    --text-primary: #e4e6eb;
    --text-secondary: #9ca3af;
    --border: #2a3141;
    --danger: #ff4444;
    --warning: #ffaa00;
    --gradient: linear-gradient(135deg, #00ff88 0%, #00ccaa 100%);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.lock-icon {
    font-size: 1.3rem;
}

.brand-name {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--accent);
}

.btn-nav {
    background: var(--gradient);
    color: var(--bg-primary) !important;
    padding: 0.5rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.05) 0%, transparent 70%);
    animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.highlight {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 3rem;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 4rem;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    display: inline-block;
}

.btn-primary {
    background: var(--gradient);
    color: var(--bg-primary);
    box-shadow: 0 4px 20px rgba(0, 255, 136, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(0, 255, 136, 0.4);
}

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

.btn-secondary:hover {
    background: rgba(0, 255, 136, 0.1);
}

.hero-stats {
    display: flex;
    gap: 4rem;
    justify-content: center;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat strong {
    font-size: 2rem;
    color: var(--accent);
    display: block;
}

.stat span {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: var(--bg-secondary);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-tertiary);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 255, 136, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--accent);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* CTA Section */
.cta-section {
    padding: 6rem 0;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.btn-large {
    padding: 1.2rem 3rem;
    font-size: 1.2rem;
}

/* Auth Pages */
.auth-page {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 0;
}

.auth-container {
    width: 100%;
    max-width: 480px;
    padding: 0 20px;
}

.auth-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 3rem;
}

.auth-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.auth-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.auth-header p {
    color: var(--text-secondary);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.9rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
}

.form-help {
    display: block;
    margin-top: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.input-with-suffix {
    display: flex;
    align-items: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s;
}

.input-with-suffix:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
}

.input-with-suffix input {
    border: none;
    background: transparent;
    box-shadow: none;
}

.input-suffix {
    padding: 0.9rem 1rem;
    color: var(--text-secondary);
    white-space: nowrap;
    border-left: 1px solid var(--border);
}

.password-toggle {
    position: absolute;
    right: 1rem;
    top: 2.4rem;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.3s;
}

.password-toggle:hover {
    opacity: 1;
}

.password-strength {
    height: 4px;
    background: var(--bg-primary);
    border-radius: 2px;
    margin-top: 0.5rem;
    overflow: hidden;
}

.strength-bar {
    height: 100%;
    width: 0%;
    background: var(--danger);
    transition: all 0.3s;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input {
    width: auto;
    cursor: pointer;
}

.link-secondary {
    color: var(--accent);
    text-decoration: none;
}

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

.btn-full {
    width: 100%;
    padding: 1rem;
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-secondary);
}

.auth-footer a {
    color: var(--accent);
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
}

.security-notice {
    margin-top: 2rem;
    padding: 1rem;
    background: rgba(0, 255, 136, 0.05);
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 8px;
    display: flex;
    gap: 0.8rem;
    align-items: flex-start;
}

.notice-icon {
    font-size: 1.3rem;
    flex-shrink: 0;
}

.security-notice p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.recovery-info {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
}

.recovery-info h3 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: var(--accent);
}

.recovery-info ul {
    list-style: none;
    padding-left: 0;
}

.recovery-info li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
}

.recovery-info li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* Legal Pages */
.legal-page {
    padding: 4rem 0;
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.legal-content h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.legal-date {
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.privacy-summary {
    background: var(--gradient);
    color: var(--bg-primary);
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 3rem;
}

.privacy-summary h2 {
    margin-bottom: 0.5rem;
}

.legal-section {
    margin-bottom: 3rem;
}

.legal-section h2 {
    color: var(--accent);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.legal-section p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.legal-section ul {
    margin-left: 1.5rem;
    color: var(--text-secondary);
}

.legal-section li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

.legal-section a {
    color: var(--accent);
    text-decoration: none;
}

.legal-section a:hover {
    text-decoration: underline;
}

.legal-footer {
    background: rgba(0, 255, 136, 0.05);
    border: 1px solid rgba(0, 255, 136, 0.2);
    padding: 2rem;
    border-radius: 12px;
    margin-top: 3rem;
}

.legal-footer p {
    margin: 0;
    line-height: 1.8;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 4rem 0 2rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    color: var(--accent);
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--accent);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
}

.footer-minimal {
    margin-top: 2rem;
    padding: 2rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-primary);
        flex-direction: column;
        padding: 2rem;
        transition: left 0.3s;
        border-top: 1px solid var(--border);
    }

    .nav-menu.active {
        left: 0;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-stats {
        flex-direction: column;
        gap: 2rem;
    }

    .features h2,
    .cta-content h2 {
        font-size: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .auth-box {
        padding: 2rem;
    }

    .form-options {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }

    .auth-box {
        padding: 1.5rem;
    }
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(5px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: fadeIn 0.3s ease;
}

.modal-overlay.active {
    display: flex;
}

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

.modal-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 3rem;
    max-width: 500px;
    width: 90%;
    text-align: center;
    animation: slideUp 0.3s ease;
    position: relative;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    display: block;
}

.modal-title {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.modal-message {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.modal-close {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    padding: 0.8rem 2rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s;
}

.modal-close:hover {
    border-color: var(--accent);
    background: rgba(0, 255, 136, 0.1);
}

/* Captcha Loading Modal */
.captcha-loader {
    margin: 2rem auto;
    position: relative;
}

.captcha-spinner {
    width: 80px;
    height: 80px;
    border: 4px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1.5rem;
}

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

.captcha-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.captcha-dots::after {
    content: '';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}

.captcha-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin: 1.5rem 0;
    opacity: 0.5;
}

.captcha-cell {
    aspect-ratio: 1;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 4px;
    animation: pulse 2s ease-in-out infinite;
}

.captcha-cell:nth-child(1) { animation-delay: 0s; }
.captcha-cell:nth-child(2) { animation-delay: 0.2s; }
.captcha-cell:nth-child(3) { animation-delay: 0.4s; }
.captcha-cell:nth-child(4) { animation-delay: 0.6s; }
.captcha-cell:nth-child(5) { animation-delay: 0.8s; }
.captcha-cell:nth-child(6) { animation-delay: 1s; }
.captcha-cell:nth-child(7) { animation-delay: 1.2s; }
.captcha-cell:nth-child(8) { animation-delay: 1.4s; }
.captcha-cell:nth-child(9) { animation-delay: 1.6s; }

@keyframes pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.7; }
}