:root {
    --blue: #00BBFF;
    --dark-bg: #121212;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--blue);
    color: #fff;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Top bar */

.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 16px 24px;
    z-index: 100;
}

.back-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
}

.back-link:hover {
    color: #fff;
}

/* Hero */

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 48px 24px;
    position: relative;
}


.hero-logo-wrap {
    width: 300px;
    height: 300px;
    background: #98E4FF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.hero-logo {
    width: 200px;
    height: auto;
}

.hero-title {
    font-family: 'Lily Script One', cursive;
    font-size: clamp(4rem, 12vw, 7rem);
    font-weight: 400;
    color: #fff;
    letter-spacing: -0.03em;
    margin-bottom: 4px;
}

.hero-tagline {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.75);
    white-space: nowrap;
    font-style: italic;
}

/* Product wrap */

.product-wrap {
    padding: 24px 24px 72px;
}

.product-inner {
    max-width: 960px;
    margin: 0 auto;
}

/* Product description */

.product-desc {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.05rem;
    line-height: 1.8;
    text-align: center;
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 32px 40px;
}

/* Section dividers */

.section-divider {
    border: none;
    border-top: 3px solid #fff;
    margin: 56px 0 0;
}

/* Section headings */

.section-heading {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    color: #fff;
    margin-top: 56px;
    margin-bottom: 24px;
}

/* Features grid */

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.feature-card {
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 24px;
}

.feature-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

/* Setup section */

.setup-section {
    margin-top: 56px;
}

.setup-section h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    color: #fff;
    margin-bottom: 24px;
}

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

.setup-steps li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 20px 24px;
}

.step-number {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background: rgba(0, 0, 0, 0.3);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 0.9rem;
}

.setup-steps li span:last-child {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.92rem;
    padding-top: 4px;
}

/* Specs */

.specs-heading {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    color: #fff;
    margin-top: 56px;
    margin-bottom: 24px;
}

.specs-section {
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 32px 40px;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table tr {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.specs-table tr:last-child {
    border-bottom: none;
}

.specs-table td {
    padding: 14px 0;
    font-size: 0.92rem;
}

.specs-table td:first-child {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 600;
    width: 140px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.specs-table td:last-child {
    color: rgba(255, 255, 255, 0.7);
}

/* CTA */

.cta-section {
    margin-top: 72px;
    text-align: center;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 28px;
    padding: 48px 32px;
}

.cta-badge {
    display: inline-block;
    background: rgba(0, 0, 0, 0.3);
    color: #fff;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 16px;
}

.cta-text {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 28px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.cta-text strong {
    color: #fff;
}

.cta-button {
    display: inline-block;
    background: #fff;
    color: #00BBFF;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    padding: 14px 40px;
    border-radius: 8px;
    text-decoration: none;
    letter-spacing: 0.02em;
    transition: background 0.2s ease, transform 0.15s ease;
}

.cta-button:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-1px);
}

.cta-button:active {
    transform: translateY(0);
}

/* Footer */

.site-footer {
    text-align: center;
    padding: 40px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
}

.footnotes {
    list-style: none;
    max-width: 960px;
    margin: 0 auto 24px;
    padding: 0;
    font-size: 0.7rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.5);
}

.footnotes li {
    padding-left: 1.2em;
    text-indent: -1.2em;
    margin-bottom: 4px;
}

.footnotes li::before {
    content: attr(data-num) ". ";
    font-size: 0.7rem;
}

.footnote-link {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-size: 0.7em;
}

.footer-disclaimer {
    max-width: 960px;
    margin: 0 auto 16px;
    font-size: 0.75rem;
    line-height: 1.5;
}

/* Responsive */

@media (max-width: 700px) {
    .hero-logo {
        width: 220px;
    }

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

    .cta-section {
        padding: 36px 20px;
    }
}