:root {
    color-scheme: light;
    --app-bg: #f1f3f4;
    --surface: #ffffff;
    --surface-alt: #f8fafd;
    --border: #dadce0;
    --border-strong: #c2c8d0;
    --text: #202124;
    --muted: #5f6368;
    --accent: #1a73e8;
    --accent-strong: #1558b0;
    --accent-soft: #e8f0fe;
    --success: #188038;
    --warning: #b06000;
    --danger: #c5221f;
    --shadow-soft: 0 1px 2px rgba(32, 33, 36, 0.1), 0 1px 3px rgba(32, 33, 36, 0.08);
    --shadow-raise: 0 8px 24px rgba(32, 33, 36, 0.12);
    --radius-sm: 12px;
    --radius-md: 18px;
    --radius-lg: 24px;
    --topbar-height: 64px;
    --content-width: 1240px;
    --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    --sans: "Google Sans", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--app-bg);
    color: var(--text);
    font-family: var(--sans);
    font-size: 14px;
    overflow-x: clip;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font: inherit;
}

:focus-visible {
    outline: 3px solid rgba(26, 115, 232, 0.35);
    outline-offset: 2px;
}

.app-shell {
    min-height: 100vh;
}

.app-topbar {
    position: sticky;
    top: 0;
    z-index: 60;
    background: rgba(241, 243, 244, 0.92);
    border-bottom: 1px solid rgba(218, 220, 224, 0.85);
    backdrop-filter: blur(10px);
}

.app-topbar__inner {
    display: flex;
    align-items: center;
    gap: 16px;
    width: min(var(--content-width), calc(100% - 24px));
    min-height: var(--topbar-height);
    margin: 0 auto;
}

.app-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.app-brand__mark,
.feature-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: linear-gradient(145deg, var(--accent), #5f9cff);
    color: #fff;
    box-shadow: 0 6px 18px rgba(26, 115, 232, 0.28);
    flex: 0 0 auto;
}

.app-brand__text {
    display: grid;
    gap: 2px;
    min-width: 0;
}

.app-brand__title {
    font-size: 1rem;
    font-weight: 800;
    white-space: nowrap;
}

.app-brand__subtitle {
    color: var(--muted);
    font-size: 0.74rem;
    white-space: nowrap;
}

.app-primary-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}

.app-primary-nav__link {
    display: inline-flex;
    align-items: center;
    min-height: 42px;
    padding: 0 14px;
    border-radius: 999px;
    color: var(--muted);
    font-weight: 700;
    white-space: nowrap;
}

.app-primary-nav__link:hover {
    background: rgba(60, 64, 67, 0.06);
    color: var(--text);
}

.app-primary-nav__link.is-active {
    background: var(--accent-soft);
    color: var(--accent-strong);
    font-weight: 800;
}

.button,
button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 16px;
    border: 1px solid transparent;
    border-radius: 999px;
    background: var(--accent);
    color: #fff;
    cursor: pointer;
    font-weight: 800;
    box-shadow: var(--shadow-soft);
}

.button:hover,
button:hover {
    background: var(--accent-strong);
}

.button.secondary {
    background: #fff;
    color: var(--accent-strong);
    border-color: var(--border);
}

.button.secondary:hover {
    background: var(--accent-soft);
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 0;
    margin-left: auto;
    background: #fff;
    color: var(--text);
    border-color: var(--border);
    border-radius: 50%;
}

.nav-toggle span:not(.visually-hidden) {
    display: block;
    width: 17px;
    height: 2px;
    margin: 2px 0;
    border-radius: 999px;
    background: currentColor;
}

.hero {
    position: relative;
    min-height: min(760px, calc(100vh - var(--topbar-height)));
    display: grid;
    align-items: center;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
}

.hero__image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero__shade {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(241, 243, 244, 0.97) 0%, rgba(241, 243, 244, 0.86) 28%, rgba(241, 243, 244, 0.3) 58%, rgba(241, 243, 244, 0.08) 100%);
}

.hero__content {
    position: relative;
    z-index: 1;
    display: grid;
    gap: 20px;
    width: min(var(--content-width), calc(100% - 24px));
    margin: 0 auto;
    padding: 56px 0 96px;
}

.status-banner {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    width: fit-content;
    padding: 10px 14px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-strong);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.status-banner__dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: currentColor;
}

h1,
h2,
h3,
p {
    margin: 0;
}

h1 {
    display: flex;
    align-items: center;
    gap: 22px;
    max-width: 780px;
    font-size: 6.8rem;
    line-height: 0.92;
    font-weight: 850;
}

.hero-title__mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 0.82em;
    height: 0.82em;
    border-radius: 0.22em;
    background: linear-gradient(145deg, var(--accent), #5f9cff);
    color: #fff;
    box-shadow: 0 10px 28px rgba(26, 115, 232, 0.26);
    flex: 0 0 auto;
}

.hero-title__mark svg {
    width: 0.34em;
    height: 0.34em;
}

h2 {
    max-width: 780px;
    font-size: 3rem;
    line-height: 1.03;
}

h3 {
    font-size: 1.05rem;
}

p,
li,
figcaption,
dd {
    color: var(--muted);
    line-height: 1.65;
}

code {
    font-family: var(--mono);
    font-size: 0.92em;
}

.hero__summary {
    max-width: 560px;
    color: #3c4043;
    font-size: 1.1rem;
}

.hero__actions,
.section-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    max-width: 720px;
    margin: 16px 0 0;
}

.hero__meta div {
    display: grid;
    gap: 4px;
    min-width: 140px;
    padding: 14px 16px;
    border: 1px solid rgba(218, 220, 224, 0.85);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.8);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(10px);
}

.hero__meta dt {
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero__meta dd {
    margin: 0;
    color: var(--text);
    font-weight: 800;
}

.section {
    padding: 74px 0;
}

.section--intro {
    background: var(--app-bg);
}

.section--surface {
    background: var(--surface);
    border-block: 1px solid var(--border);
}

.section__inner,
.site-footer__inner {
    width: min(var(--content-width), calc(100% - 24px));
    margin: 0 auto;
}

.section__head {
    display: grid;
    gap: 14px;
    margin-bottom: 28px;
}

.section__head p {
    max-width: 760px;
    font-size: 1rem;
}

.eyebrow {
    color: var(--accent-strong);
    font-size: 0.76rem;
    font-weight: 850;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.feature-card,
.ops-row,
.deploy-panel,
.tool-preview {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.feature-card {
    display: grid;
    gap: 14px;
    padding: 22px;
}

.feature-card__icon {
    width: 38px;
    height: 38px;
    font-weight: 900;
}

.operations-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 32px;
    align-items: start;
}

.section__head--sticky {
    position: sticky;
    top: calc(var(--topbar-height) + 24px);
    margin-bottom: 0;
}

.ops-list {
    display: grid;
    gap: 14px;
}

.ops-row {
    padding: 20px;
}

.ops-row h3 {
    margin-bottom: 8px;
}

.mxtoolbox-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.8fr);
    gap: 32px;
    align-items: center;
}

.mxtoolbox-layout h2 {
    margin: 10px 0 14px;
}

.check-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 22px 0;
}

.check-grid span {
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    padding: 0 12px;
    border: 1px solid rgba(24, 128, 56, 0.24);
    border-radius: 999px;
    background: rgba(24, 128, 56, 0.08);
    color: #137333;
    font-size: 0.82rem;
    font-weight: 800;
}

.tool-preview {
    margin: 0;
    overflow: hidden;
}

.tool-preview img {
    display: block;
    width: 100%;
    height: auto;
}

.tool-preview figcaption {
    padding: 14px 16px 16px;
    background: var(--surface-alt);
    border-top: 1px solid var(--border);
    font-size: 0.88rem;
}

.deploy-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 32px;
    align-items: start;
}

.deploy-panel {
    display: grid;
    gap: 18px;
    padding: 20px;
}

.terminal {
    overflow: hidden;
    border: 1px solid #d2d8df;
    border-radius: var(--radius-md);
    background: #202124;
    color: #eef3f8;
}

.terminal__bar {
    display: flex;
    gap: 7px;
    padding: 12px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.terminal__bar span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #5f6368;
}

.terminal pre {
    margin: 0;
    padding: 18px;
    overflow-x: auto;
    font-family: var(--mono);
    font-size: 0.88rem;
    line-height: 1.7;
}

.deploy-facts {
    display: grid;
    gap: 12px;
}

.deploy-facts div {
    display: grid;
    gap: 4px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface-alt);
}

.deploy-facts strong {
    font-size: 0.95rem;
}

.deploy-facts span {
    color: var(--muted);
    line-height: 1.55;
}

.site-footer {
    padding: 28px 0 34px;
    border-top: 1px solid var(--border);
    background: var(--surface);
}

.site-footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    color: var(--accent-strong);
    font-weight: 800;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 980px) {
    .nav-toggle {
        display: inline-flex;
        flex-direction: column;
    }

    .app-primary-nav {
        position: absolute;
        top: calc(100% + 8px);
        right: 12px;
        left: 12px;
        display: none;
        grid-template-columns: 1fr;
        gap: 4px;
        padding: 8px;
        border: 1px solid var(--border);
        border-radius: var(--radius-lg);
        background: rgba(255, 255, 255, 0.98);
        box-shadow: var(--shadow-raise);
    }

    .app-primary-nav.is-open {
        display: grid;
    }

    .app-primary-nav__link,
    .app-primary-nav .button {
        justify-content: flex-start;
        width: 100%;
    }

    .hero {
        min-height: 680px;
    }

    .hero__shade {
        background: linear-gradient(180deg, rgba(241, 243, 244, 0.99) 0%, rgba(241, 243, 244, 0.94) 48%, rgba(241, 243, 244, 0.52) 100%);
    }

    .hero__content {
        align-self: start;
        padding-top: 54px;
    }

    h1 {
        gap: 16px;
        font-size: 4.5rem;
    }

    h2 {
        font-size: 2.4rem;
    }

    .feature-grid,
    .operations-layout,
    .mxtoolbox-layout,
    .deploy-layout {
        grid-template-columns: 1fr;
    }

    .section__head--sticky {
        position: static;
    }
}

@media (max-width: 640px) {
    body {
        font-size: 13px;
    }

    .app-topbar__inner,
    .section__inner,
    .site-footer__inner,
    .hero__content {
        width: min(100% - 16px, var(--content-width));
    }

    .app-brand__subtitle {
        display: none;
    }

    .hero {
        min-height: 650px;
    }

    .hero__image {
        object-position: 64% center;
    }

    .status-banner {
        align-items: flex-start;
        max-width: 100%;
        border-radius: var(--radius-md);
        line-height: 1.45;
    }

    h1 {
        gap: 12px;
        font-size: 3.25rem;
    }

    h2 {
        font-size: 2rem;
    }

    .section {
        padding: 52px 0;
    }

    .hero__meta,
    .site-footer__inner {
        display: grid;
    }

    .hero__meta div {
        min-width: 0;
    }

    .feature-card,
    .ops-row,
    .deploy-panel {
        border-radius: var(--radius-md);
        padding: 18px;
    }

    .button,
    button {
        min-height: 44px;
    }
}