* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #eee;
    min-height: 100vh;
}
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    max-width: 1200px;
    margin: 0 auto;
}
.logo {
    font-size: 24px;
    font-weight: 700;
    color: #00d9ff;
}
.nav-links {
    display: flex;
    align-items: center;
}
.nav-links a {
    color: #aaa;
    text-decoration: none;
    margin-left: 30px;
    transition: color 0.2s;
}
.nav-links a:hover { color: #fff; }

.hero {
    text-align: center;
    padding: 80px 20px 60px;
    max-width: 900px;
    margin: 0 auto;
}
.hero-badge {
    display: inline-block;
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid rgba(0, 217, 255, 0.3);
    color: #00d9ff;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 25px;
}
h1 {
    font-size: 52px;
    margin-bottom: 25px;
    line-height: 1.1;
    color: #fff;
}
h1 span {
    background: linear-gradient(90deg, #00d9ff, #00ff88);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.subtitle {
    font-size: 20px;
    color: #888;
    margin-bottom: 20px;
    line-height: 1.6;
}
.pain-point {
    font-size: 15px;
    color: #666;
    margin-bottom: 40px;
    font-style: italic;
}
.cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-bottom: 50px;
}
.btn {
    padding: 16px 32px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}
.btn-primary {
    background: #00d9ff;
    color: #000;
}
.btn-primary:hover {
    background: #00b8d9;
    transform: translateY(-2px);
}
.btn-secondary {
    background: transparent;
    color: #00d9ff;
    border: 2px solid rgba(0, 217, 255, 0.4);
}
.btn-secondary:hover {
    background: rgba(0, 217, 255, 0.1);
    border-color: #00d9ff;
}
.social-proof {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    color: #555;
    font-size: 14px;
}
.social-proof span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.how-it-works {
    max-width: 1000px;
    margin: 80px auto;
    padding: 0 20px;
}
.section-title {
    text-align: center;
    margin-bottom: 50px;
}
.section-title h2 {
    font-size: 32px;
    color: #fff;
    margin-bottom: 10px;
}
.section-title p {
    color: #666;
}
.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    position: relative;
}
.steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 20%;
    right: 20%;
    height: 2px;
    background: linear-gradient(90deg, #00d9ff, #00ff88);
    opacity: 0.3;
    z-index: 0;
}
.step {
    text-align: center;
    position: relative;
    z-index: 1;
}
.step-number {
    width: 80px;
    height: 80px;
    background: #16213e;
    border: 2px solid #00d9ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin: 0 auto 20px;
}
.step h3 {
    color: #fff;
    margin-bottom: 10px;
    font-size: 18px;
}
.step p {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
}

.comparison {
    max-width: 900px;
    margin: 100px auto;
    padding: 0 20px;
}
.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}
.comparison-card {
    padding: 30px;
    border-radius: 12px;
}
.comparison-card.others {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid #333;
}
.comparison-card.screens {
    background: rgba(0, 217, 255, 0.05);
    border: 1px solid rgba(0, 217, 255, 0.3);
}
.comparison-card h3 {
    font-size: 18px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.comparison-card.others h3 { color: #888; }
.comparison-card.screens h3 { color: #00d9ff; }
.comparison-card ul {
    list-style: none;
}
.comparison-card li {
    padding: 10px 0;
    font-size: 14px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}
.comparison-card.others li {
    color: #666;
}
.comparison-card.screens li {
    color: #aaa;
}
.comparison-card li .icon {
    flex-shrink: 0;
    width: 20px;
    text-align: center;
}

.features {
    max-width: 1000px;
    margin: 80px auto;
    padding: 0 20px;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}
.feature {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 12px;
    transition: all 0.2s;
}
.feature:hover {
    border-color: rgba(0, 217, 255, 0.3);
    transform: translateY(-3px);
}
.feature-icon {
    font-size: 36px;
    margin-bottom: 15px;
}
.feature h3 {
    margin-bottom: 10px;
    color: #fff;
    font-size: 17px;
}
.feature p {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
}

.use-cases {
    max-width: 1000px;
    margin: 100px auto;
    padding: 0 20px;
}
.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.use-case {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 10px;
    padding: 25px 20px;
    text-align: center;
    transition: all 0.2s;
}
.use-case:hover {
    background: rgba(0, 217, 255, 0.05);
}
.use-case-icon {
    font-size: 32px;
    margin-bottom: 12px;
}
.use-case h4 {
    color: #fff;
    font-size: 15px;
    margin-bottom: 8px;
}
.use-case p {
    color: #555;
    font-size: 13px;
}

.final-cta {
    text-align: center;
    padding: 80px 20px;
    max-width: 600px;
    margin: 0 auto;
}
.final-cta h2 {
    font-size: 36px;
    color: #fff;
    margin-bottom: 15px;
}
.final-cta p {
    color: #666;
    margin-bottom: 30px;
    font-size: 16px;
}
.free-note {
    color: #555;
    font-size: 13px;
    margin-top: 15px;
}

footer {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 40px 20px;
    text-align: center;
    color: #444;
    font-size: 14px;
}
footer a {
    color: #555;
    text-decoration: none;
    margin: 0 15px;
}
footer a:hover {
    color: #00d9ff;
}

@media (max-width: 768px) {
    h1 { font-size: 36px; }
    .steps, .comparison-grid, .features-grid { grid-template-columns: 1fr; }
    .use-cases-grid { grid-template-columns: repeat(2, 1fr); }
    .steps::before { display: none; }
    nav { padding: 15px 20px; }
    .nav-links a { margin-left: 15px; }
}