:root {
    --bg-color: #f4f4ef;
    --surface-color: #ffffff;
    --text-color: #111111;
    --muted-color: #696969;
    --line-color: #111111;
    --accent-color: #d9ff43;
    --border-width: 3px;
    --spacing: 20px;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Courier New', Courier, monospace;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
    margin: 0;
    padding: 24px;
}

.container {
    max-width: 1120px;
    margin: 0 auto;
    border: var(--border-width) solid var(--line-color);
    background: var(--surface-color);
    box-shadow: 12px 12px 0 var(--line-color);
    overflow: hidden;
}

.site-header {
    min-height: 84px;
    padding: 20px 40px;
    border-bottom: var(--border-width) solid var(--line-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand,
.footer-brand {
    color: var(--text-color);
    font-size: 1.8rem;
    font-weight: bold;
    letter-spacing: -2px;
    text-decoration: none;
}

.brand-mark {
    color: #607600;
}

nav {
    display: flex;
    align-items: center;
    gap: 26px;
    font-size: 0.78rem;
    font-weight: bold;
    text-transform: uppercase;
}

nav a,
.text-link,
footer a,
.faq-list a {
    color: var(--text-color);
    text-decoration-thickness: 2px;
    text-underline-offset: 4px;
}

nav a {
    text-decoration: none;
}

nav a:hover,
nav a:focus-visible,
.text-link:hover,
.text-link:focus-visible {
    color: #607600;
}

h2 {
    font-size: clamp(2rem, 5vw, 4rem);
    line-height: 0.98;
    letter-spacing: -3px;
    margin: 0;
}

h2 em {
    font-style: normal;
    color: var(--muted-color);
}

.hero {
    min-height: 570px;
    padding: 74px 64px 78px;
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
    align-items: center;
    gap: 58px;
    background: var(--surface-color);
}

.eyebrow {
    margin: 0 0 18px;
    color: var(--muted-color);
    font-size: 0.72rem;
    font-weight: bold;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    margin-right: 8px;
    border-radius: 50%;
    background: #759000;
    box-shadow: 0 0 0 3px var(--accent-color);
}

.hero h1 {
    max-width: 590px;
    margin: 0;
    font-size: clamp(3rem, 6vw, 5.7rem);
    line-height: 0.92;
    letter-spacing: -6px;
}

.hero-description {
    max-width: 530px;
    margin: 28px 0 30px;
    font-size: 1.04rem;
    line-height: 1.65;
}

.hero-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 22px;
}

.microcopy {
    margin: 13px 0 0;
    color: var(--muted-color);
    font-size: 0.7rem;
}

.btn {
    display: inline-flex;
    min-height: 52px;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 12px 18px;
    border: var(--border-width) solid var(--line-color);
    background: var(--line-color);
    color: var(--surface-color);
    font-size: 0.78rem;
    font-weight: bold;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s, color 0.2s;
}

.btn:hover,
.btn:focus-visible {
    background: var(--accent-color);
    color: var(--line-color);
    transform: translate(-3px, -3px);
    box-shadow: 5px 5px 0 var(--line-color);
}

.text-link {
    font-size: 0.78rem;
    font-weight: bold;
    text-transform: uppercase;
}

.product-preview {
    position: relative;
    padding: 22px;
    border: var(--border-width) solid var(--line-color);
    background: #e5e5df;
    box-shadow: 8px 8px 0 var(--line-color);
    transform: rotate(1.5deg);
}

.preview-label,
.preview-caption {
    display: flex;
    justify-content: space-between;
    color: var(--muted-color);
    font-size: 0.65rem;
    font-weight: bold;
    letter-spacing: 0.08em;
}

.display-stage {
    position: relative;
    min-height: 300px;
    margin: 18px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.display {
    position: relative;
    width: 49%;
    height: 210px;
    padding: 9px;
    border: 3px solid var(--line-color);
    background: var(--surface-color);
    box-shadow: 5px 5px 0 var(--line-color);
}

.display-main {
    transform: translateY(-18px);
}

.display-side {
    background: #d7d7d0;
}

.display-bar {
    display: flex;
    align-items: center;
    gap: 4px;
    height: 15px;
    border-bottom: 2px solid var(--line-color);
    font-size: 0.42rem;
}

.display-bar span {
    width: 5px;
    height: 5px;
    border: 1px solid var(--line-color);
    border-radius: 50%;
}

.display-bar b {
    margin-left: auto;
    font-size: 0.42rem;
}

.window {
    position: absolute;
    width: 68%;
    min-height: 55px;
    padding: 7px;
    border: 2px solid var(--line-color);
    font-size: 0.45rem;
    box-shadow: 3px 3px 0 var(--line-color);
}

.window span {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

.window i {
    display: block;
    width: 80%;
    height: 3px;
    margin: 4px 0;
    background: currentColor;
    opacity: 0.35;
}

.window-blue {
    top: 48px;
    left: 26px;
    background: var(--accent-color);
}

.window-white {
    right: 14px;
    bottom: 17px;
    background: var(--surface-color);
}

.window-dark {
    top: 56px;
    right: 16px;
    background: var(--line-color);
    color: var(--surface-color);
}

.cursor {
    position: absolute;
    left: 46%;
    bottom: 36px;
    width: 0;
    height: 0;
    border-top: 16px solid var(--line-color);
    border-right: 10px solid transparent;
    transform: rotate(-20deg);
    filter: drop-shadow(2px 2px 0 var(--surface-color));
}

.cursor-note {
    position: absolute;
    right: -18px;
    bottom: -7px;
    padding: 6px 8px;
    border: 2px solid var(--line-color);
    background: var(--accent-color);
    font-size: 0.55rem;
    line-height: 1.2;
    transform: rotate(-4deg);
}

.preview-caption {
    padding-top: 12px;
    border-top: 2px solid var(--line-color);
}

.proof-strip {
    display: flex;
    justify-content: space-around;
    gap: 20px;
    padding: 14px 40px;
    border-top: var(--border-width) solid var(--line-color);
    border-bottom: var(--border-width) solid var(--line-color);
    background: var(--accent-color);
    font-size: 0.68rem;
    font-weight: bold;
}

.section {
    padding: 88px 64px;
}

.section-heading {
    display: grid;
    grid-template-columns: 0.75fr 1.25fr;
    gap: 28px;
    align-items: end;
    margin-bottom: 42px;
}

.compact-heading {
    margin-bottom: 30px;
}

.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.feature-card {
    min-height: 270px;
    padding: 24px;
    border: var(--border-width) solid var(--line-color);
    background: var(--surface-color);
    transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
    transform: translate(-4px, -4px);
    box-shadow: 7px 7px 0 var(--line-color);
}

.feature-number,
.install-kicker {
    color: var(--muted-color);
    font-size: 0.7rem;
    font-weight: bold;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.feature-card h3 {
    max-width: 270px;
    margin: 42px 0 16px;
    font-size: 1.25rem;
    line-height: 1.05;
}

.feature-card p {
    margin: 0;
    color: #444;
    font-size: 0.87rem;
}

.section-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-top: 34px;
    padding-top: 22px;
    border-top: 2px solid var(--line-color);
}

.section-cta p {
    margin: 0;
    font-size: 0.88rem;
    font-weight: bold;
}

.install-section,
.changelog-section {
    border-top: var(--border-width) solid var(--line-color);
    background: #f0f0eb;
}

.install-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 28px;
    border: var(--border-width) solid var(--line-color);
    background: var(--surface-color);
}

.install-card h3 {
    margin: 8px 0;
    font-size: 1.5rem;
}

.install-card p {
    max-width: 550px;
    margin: 0;
    color: #444;
    font-size: 0.88rem;
}

.more-options {
    margin-top: 16px;
    border-bottom: 2px solid var(--line-color);
}

.more-options summary,
.faq-list summary {
    cursor: pointer;
    list-style: none;
    font-weight: bold;
}

.more-options summary::-webkit-details-marker,
.faq-list summary::-webkit-details-marker {
    display: none;
}

.more-options summary::before,
.faq-list summary::before {
    content: '[+]';
    display: inline-block;
    width: 40px;
    color: var(--muted-color);
}

.more-options[open] summary::before,
.faq-list details[open] summary::before {
    content: '[-]';
}

.coming-soon {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px 20px;
    margin: 16px 0 20px 40px;
    color: var(--muted-color);
    font-size: 0.78rem;
}

.coming-soon span:nth-child(even) {
    text-align: right;
    text-transform: uppercase;
}

.faq-section {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 60px;
}

.faq-list details {
    padding: 16px 0;
    border-top: 2px solid var(--line-color);
}

.faq-list details:last-child {
    border-bottom: 2px solid var(--line-color);
}

.faq-list p {
    max-width: 650px;
    margin: 14px 0 2px 40px;
    color: #444;
    font-size: 0.88rem;
}

.changelog-item {
    max-width: 720px;
    padding-left: 20px;
    border-left: var(--border-width) solid var(--line-color);
}

.meta-date {
    color: var(--muted-color);
    font-size: 0.75rem;
    font-weight: bold;
}

.changelog-item ul {
    padding-left: 20px;
    color: #444;
    font-size: 0.88rem;
}

footer {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    align-items: center;
    gap: 20px;
    padding: 28px 64px;
    border-top: var(--border-width) solid var(--line-color);
    font-size: 0.78rem;
}

.footer-brand {
    font-size: 1.25rem;
}

footer p {
    margin: 0;
}

footer p:nth-child(2) {
    text-align: center;
}

footer p:last-child {
    color: var(--muted-color);
    text-align: right;
}

.skip-link {
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 10;
    padding: 8px 12px;
    background: var(--accent-color);
    color: var(--line-color);
    transform: translateY(-150%);
}

.skip-link:focus {
    transform: translateY(0);
}

:focus-visible {
    outline: 3px solid #607600;
    outline-offset: 4px;
}

@media (max-width: 800px) {
    body {
        padding: 14px;
    }

    .site-header,
    .hero,
    .section,
    footer {
        padding-left: 28px;
        padding-right: 28px;
    }

    .hero {
        grid-template-columns: 1fr;
        gap: 54px;
    }

    .product-preview {
        max-width: 620px;
        width: 100%;
        margin: 0 auto;
    }

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

    .feature-card {
        min-height: auto;
    }

    .feature-card h3 {
        margin-top: 28px;
    }

    .faq-section {
        display: block;
    }

    .faq-section .section-heading {
        margin-bottom: 36px;
    }

    footer {
        grid-template-columns: 1fr;
        text-align: center;
    }

    footer p:nth-child(2),
    footer p:last-child {
        text-align: center;
    }
}

@media (max-width: 560px) {
    .site-header {
        align-items: flex-start;
        flex-direction: column;
        padding-top: 18px;
        padding-bottom: 18px;
    }

    nav {
        width: 100%;
        justify-content: space-between;
        gap: 12px;
        font-size: 0.66rem;
    }

    .hero {
        min-height: auto;
        padding-top: 54px;
        padding-bottom: 58px;
    }

    .hero h1 {
        font-size: clamp(2.8rem, 14vw, 4.2rem);
        letter-spacing: -4px;
    }

    .hero-actions,
    .section-cta,
    .install-card {
        align-items: stretch;
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .proof-strip {
        align-items: center;
        flex-direction: column;
        gap: 6px;
        padding: 16px;
    }

    .section {
        padding-top: 60px;
        padding-bottom: 60px;
    }

    .section-heading {
        display: block;
    }

    .section-heading .eyebrow {
        margin-bottom: 26px;
    }

    .product-preview {
        padding: 13px;
        box-shadow: 5px 5px 0 var(--line-color);
    }

    .display-stage {
        min-height: 220px;
        margin: 14px 0;
    }

    .display {
        height: 145px;
    }

    .display-main {
        transform: translateY(-10px);
    }

    .cursor-note {
        right: -8px;
        bottom: -8px;
    }

    .install-card {
        align-items: stretch;
    }

    .coming-soon {
        margin-left: 0;
    }
}
    h1 {
        font-size: 2rem;
    }
}