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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(145deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    color: #fff;
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 24px 60px;
}

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
}

.logo {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

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

.nav-link {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.2s;
    font-weight: 500;
}

.nav-link:hover,
.nav-link.active {
    color: #10b981;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 2px;
    transition: all 0.3s;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(15, 23, 42, 0.98);
        flex-direction: column;
        gap: 0;
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    
    .nav-links.active {
        max-height: 300px;
        padding: 16px 0;
    }
    
    .nav-link {
        padding: 12px 24px;
        width: 100%;
    }
}

.hero {
    text-align: center;
    margin-bottom: 60px;
    padding-top: 40px;
}

.badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    color: #10b981;
    margin-bottom: 24px;
    font-family: 'JetBrains Mono', monospace;
}

h1 {
    font-size: clamp(32px, 6vw, 48px);
    font-weight: 700;
    letter-spacing: -1px;
    line-height: 1.1;
    margin-bottom: 20px;
}

h1 span {
    background: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.6);
    max-width: 500px;
    margin: 0 auto 40px;
}

.sports {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.sport {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.sport-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sport-icon.run { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.sport-icon.climb { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }
.sport-icon.cycle { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.sport-icon.gym { background: rgba(139, 92, 246, 0.15); color: #8b5cf6; }

.sport-label {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.4);
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.features-preview {
    display: grid;
    gap: 16px;
    margin-bottom: 60px;
}

.feature {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    padding: 20px 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.feature-icon {
    font-size: 12px;
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    background: rgba(16, 185, 129, 0.15);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    color: #10b981;
}

.feature h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}

.feature p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

.integration {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 10px;
    margin-bottom: 60px;
}

.integration span {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

.garmin-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8);
    font-family: 'JetBrains Mono', monospace;
}

.garmin-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
}

.cta {
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(59, 130, 246, 0.05) 100%);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 16px;
    margin-bottom: 40px;
}

.cta h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.cta p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
    margin-bottom: 20px;
}

.cta-button {
    display: inline-block;
    padding: 12px 28px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: 8px;
    color: #fff;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
}

.company-note {
    text-align: center;
    margin-bottom: 40px;
}

.company-note p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.4);
}

.company-note a {
    color: #10b981;
    text-decoration: none;
}

.company-note a:hover {
    text-decoration: underline;
}

footer {
    background: rgba(0, 0, 0, 0.2);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 60px 24px 24px;
}

.footer-container {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    gap: 60px;
    flex-wrap: wrap;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-brand .logo,
.footer-brand .logo-text {
    display: inline-flex;
}

.footer-brand .logo-text {
    font-size: 18px;
}

.footer-tagline {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 8px;
}

.footer-links {
    display: flex;
    gap: 60px;
    flex-wrap: wrap;
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-column h4 {
    font-size: 13px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.footer-column a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-column a:hover {
    color: #10b981;
}

.footer-bottom {
    max-width: 1000px;
    margin: 40px auto 0;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.3);
}

.page-header {
    text-align: center;
    padding: 40px 0 60px;
}

.page-header h1 {
    font-size: 32px;
    margin-bottom: 16px;
}

.page-header p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.6);
    max-width: 500px;
    margin: 0 auto;
}

.last-updated {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 48px;
    text-align: center;
}

.content-section {
    margin-bottom: 40px;
}

.content-section h2 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #fff;
}

.content-section h3 {
    font-size: 15px;
    font-weight: 600;
    margin-top: 20px;
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.9);
}

.content-section p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 12px;
}

.content-section ul {
    list-style: none;
    margin-bottom: 16px;
}

.content-section ul li {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
    padding-left: 20px;
    position: relative;
    margin-bottom: 8px;
}

.content-section ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: #10b981;
    border-radius: 50%;
}

.content-section a {
    color: #10b981;
    text-decoration: none;
}

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

.highlight-box {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    padding: 20px 24px;
    margin: 20px 0;
}

.highlight-box p {
    margin-bottom: 0;
}

.rights-grid {
    display: grid;
    gap: 12px;
    margin-top: 16px;
}

.right-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 8px;
    padding: 16px 20px;
}

.right-item strong {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
}

.right-item span {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 4px;
}

.contact-box {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(59, 130, 246, 0.05) 100%);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 12px;
    padding: 24px;
    margin-top: 48px;
}

.contact-box h2 {
    margin-bottom: 12px;
    font-size: 18px;
}

.contact-box p {
    margin-bottom: 4px;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
}

.gdpr-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 24px;
}

.gdpr-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
}

.features-grid {
    display: grid;
    gap: 24px;
    margin-bottom: 60px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    padding: 32px;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.feature-card h3 span {
    font-size: 12px;
    padding: 4px 10px;
    background: rgba(16, 185, 129, 0.15);
    border-radius: 4px;
    color: #10b981;
    font-family: 'JetBrains Mono', monospace;
}

.feature-card p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
}

.feature-card ul {
    list-style: none;
    margin-top: 16px;
}

.feature-card ul li {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    padding-left: 20px;
    position: relative;
    margin-bottom: 8px;
}

.feature-card ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: #10b981;
    border-radius: 50%;
}

.about-intro {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
    line-height: 1.8;
}

.about-content {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    padding: 40px;
    margin-bottom: 40px;
}

.about-content h2 {
    font-size: 20px;
    margin-bottom: 16px;
}

.about-content p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 16px;
    line-height: 1.7;
}

.support-options {
    display: grid;
    gap: 24px;
    margin-bottom: 60px;
}

.support-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
}

.support-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.support-card p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 20px;
}

.support-card a {
    display: inline-block;
    padding: 10px 24px;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 8px;
    color: #10b981;
    font-weight: 500;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.2s;
}

.support-card a:hover {
    background: rgba(16, 185, 129, 0.25);
}

.faq-section {
    margin-bottom: 60px;
}

.faq-section h2 {
    font-size: 24px;
    text-align: center;
    margin-bottom: 32px;
}

.faq-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 16px;
}

.faq-item h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    color: rgba(255, 255, 255, 0.9);
}

.faq-item p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
}

.tech-tag {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
    font-family: 'JetBrains Mono', monospace;
    margin-right: 8px;
    margin-bottom: 8px;
}

.content-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.content-list li {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
    padding-left: 20px;
    position: relative;
    margin-bottom: 12px;
    line-height: 1.6;
}

.content-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: #10b981;
    border-radius: 50%;
}

.app-preview {
    margin: 60px 0;
    text-align: center;
}

.app-preview img {
    max-width: 100%;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.app-preview img:hover {
    transform: scale(1.02);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.5);
}

.preview-hint {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 12px;
}

.lightbox {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    align-items: center;
    justify-content: center;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    border-radius: 8px;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 40px;
    font-weight: 300;
    cursor: pointer;
    transition: color 0.2s;
}

.lightbox-close:hover {
    color: #fff;
}