:root {
    --zenya-accent: #20b2aa;
    --zenya-accent-dark: #188f89;
    --zenya-text: #25282d;
    --zenya-muted: #747980;
    --zenya-border: #dedfe1;
    --zenya-background: #ffffff;
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
}

body {
    min-height: 100%;
    margin: 0;
    color: var(--zenya-text);
    background: var(--zenya-background);
    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Helvetica,
        Arial,
        sans-serif;
}

button,
a {
    font: inherit;
}

.page-shell {
    width: min(100%, 46rem);
    margin: 0 auto;
    padding: 4.5rem 1.5rem 3rem;
    text-align: center;
}

.brand-header {
    width: 100%;
}

.brand-lockup {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.9rem;
}

.brand-mark {
    color: var(--zenya-accent);
    font-size: clamp(3.9rem, 11vw, 6.6rem);
    font-weight: 800;
    line-height: 0.82;
    letter-spacing: -0.12em;
}

.brand-name {
    margin: 0;
    font-size: clamp(3.2rem, 9vw, 5.6rem);
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -0.07em;
}

.brand-tagline {
    margin: 1.7rem 0 0;
    color: var(--zenya-muted);
    font-size: clamp(0.78rem, 2vw, 1rem);
    font-weight: 650;
    letter-spacing: 0.17em;
    line-height: 1.6;
    text-transform: uppercase;
}

.tm {
    font-size: 0.22em;
    vertical-align: super;
    position: static;
    margin-left: 0.03em;
    opacity: 0.7;
}

.product-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 4rem;
}

.eyebrow {
    margin: 0 0 0.75rem;
    color: var(--zenya-accent-dark);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.product-title {
    margin: 0;
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.03em;
}

.product-tagline {
    margin: 0.8rem 0 2.2rem;
    color: var(--zenya-muted);
    font-size: clamp(1.1rem, 2.5vw, 1.3rem);
    line-height: 1.5;
}

.install-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 11rem;
    padding: 1rem 1.75rem;
    color: #ffffff;
    background: var(--zenya-accent);
    border-radius: 0.7rem;
    box-shadow: 0 8px 24px rgb(32 178 170 / 18%);
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    transition:
        transform 150ms ease,
        background 150ms ease,
        box-shadow 150ms ease;
}

.install-button:hover {
    background: var(--zenya-accent-dark);
    box-shadow: 0 11px 28px rgb(32 178 170 / 25%);
    transform: translateY(-2px);
}

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

.install-button:focus-visible {
    outline: 3px solid rgb(32 178 170 / 30%);
    outline-offset: 4px;
}

.install-instructions {
    max-width: 34rem;
    margin-top: 1.6rem;
}

.install-instructions p {
    margin: 0;
    font-size: 1.02rem;
    line-height: 1.55;
}

.install-next {
    margin-top: 0.35rem !important;
    color: var(--zenya-muted);
    font-size: 0.92rem !important;
}

.feature-section {

    width: min(100%, 36rem);

    margin: 2.4rem auto 0;

    padding-top: 1.4rem;

    border-top: 1px solid var(--zenya-border);

}

.feature-list {
    display: inline-grid;
    gap: 0.9rem;
    margin: 0;
    padding: 0;
    text-align: left;
    list-style: none;
}

.feature-list li {
    position: relative;
    padding-left: 1.7rem;
    color: var(--zenya-muted);
    font-size: 1rem;
    line-height: 1.55;
}

.feature-list li::before {
    position: absolute;
    top: 0;
    left: 0;
    color: var(--zenya-accent);
    content: "✓";
    font-weight: 800;
}

.site-footer {

    width: min(100%, 36rem);

    margin: 2.2rem auto 0;

}

.footer-nav {

    display: flex;

    align-items: center;

    justify-content: center;

    gap: 0.7rem;

    padding-top: 0.5rem;

    border-top: 1px solid var(--zenya-border);

}

.footer-nav span {
    color: var(--zenya-muted);
}

.footer-link {
    padding: 0;
    color: var(--zenya-muted);
    background: none;
    border: 0;
    cursor: pointer;
    font-size: 0.94rem;
    font-weight: 500;
}

.footer-link:hover,
.footer-link.active {
    color: var(--zenya-accent-dark);
}

.footer-link.active {
    font-weight: 650;
}

.footer-link:focus-visible {
    outline: 2px solid rgb(32 178 170 / 35%);
    outline-offset: 4px;
}

.footer-panel h3 {
    margin: 0 0 0.6rem;
    font-size: 1rem;
}

.footer-panel p {
    margin: 0.55rem 0 0;
    color: var(--zenya-muted);
    font-size: 0.93rem;
    line-height: 1.65;
}

.footer-panel p:first-of-type {
    margin-top: 0;
}

[hidden] {
    display: none !important;
}

@media (max-width: 520px) {
    .page-shell {
        padding-top: 3.5rem;
    }

    .brand-lockup {
        gap: 0.65rem;
    }

    .brand-tagline {
        max-width: 20rem;
        margin-right: auto;
        margin-left: auto;
    }

    .product-hero {
        margin-top: 3.25rem;
    }

    .feature-list {
        width: 100%;
    }

    .footer-nav {
        gap: 0.5rem;
    }

    .footer-link {
        font-size: 0.9rem;
    }
}

.footer-panel {
    margin-top: 1.4rem;
    padding: 1.25rem 1.4rem;

    text-align: left;

    background: rgb(32 178 170 / 5%);
    border: 1px solid rgb(32 178 170 / 15%);
    border-radius: 0.75rem;

    opacity: 0;
    transform: translateY(-8px);

    transition:
        opacity 180ms ease,
        transform 180ms ease;
}

.footer-panel:not([hidden]) {
    opacity: 1;
    transform: translateY(0);
}
.help-section {
    width: min(100%, 36rem);

    margin: 2.5rem auto 0;
    padding-top: 2rem;

    border-top: 1px solid var(--zenya-border);

    text-align: left;
}

.help-section h2 {
    margin: 0 0 1rem;

    font-size: 1.5rem;
    font-weight: 600;
}

.help-section p {
    margin: 0.9rem 0;

    color: var(--zenya-muted);

    line-height: 1.7;
}

.mobile-copy-button {
    display: inline-flex;

    align-items: center;
    justify-content: center;

    margin-top: 1rem;
    padding: 0.9rem 1.5rem;

    color: #fff;

    background: var(--zenya-accent);

    border: 0;
    border-radius: 0.7rem;

    cursor: pointer;

    font-size: 0.95rem;
    font-weight: 700;

    transition:
        background 150ms ease,
        transform 150ms ease,
        box-shadow 150ms ease;

    box-shadow: 0 8px 20px rgb(32 178 170 / 18%);
}

.mobile-copy-button:hover {
    background: var(--zenya-accent-dark);

    transform: translateY(-2px);

    box-shadow: 0 12px 28px rgb(32 178 170 / 24%);
}

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

.mobile-copy-button:focus-visible {
    outline: 3px solid rgb(32 178 170 / 30%);
    outline-offset: 4px;
}

.copy-bookmark-status {
    margin-top: 0.9rem;

    color: var(--zenya-accent-dark);

    font-weight: 600;
}
.coffee-link {
    margin-top: 1.4rem;
}

.coffee-link a {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;

    color: var(--zenya-accent);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;

    transition: color 0.2s ease,
                transform 0.15s ease;
}

.coffee-link a:hover {
    color: var(--zenya-accent-dark);
    transform: translateX(2px);
}

.coffee-link a:focus-visible {
    outline: 2px solid var(--zenya-accent);
    outline-offset: 3px;
    border-radius: 4px;
}

.footer-anchor {
    color: var(--zenya-accent);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-anchor:hover {
    color: var(--zenya-accent-dark);
    text-decoration: underline;
}

.footer-anchor:focus-visible {
    outline: 2px solid var(--zenya-accent);
    outline-offset: 2px;
    border-radius: 3px;
}