:root {
    --page-bg: #f7f7f7;
    --page-surface: #ffffff;
    --page-text: #1f1f21;
    --page-muted: #62636a;
    --page-border: #dedfe3;
    --page-soft: #eeeeef;
    --page-accent: #1f5eff;
    --page-accent-dark: #153fb5;
    --page-shadow: 0 24px 70px rgba(20, 24, 34, 0.12);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--page-bg);
    color: var(--page-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.5;
}

a {
    color: inherit;
}

.site-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.site-nav {
    position: sticky;
    top: 0;
    z-index: 10;
    border-bottom: 1px solid rgba(222, 223, 227, 0.78);
    background: rgba(247, 247, 247, 0.9);
    backdrop-filter: blur(18px);
}

.site-nav-inner,
.section-inner,
.footer-inner {
    width: min(1120px, calc(100vw - 40px));
    margin: 0 auto;
}

.site-nav-inner {
    min-height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.brand-link {
    font-weight: 760;
    text-decoration: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 18px;
    color: var(--page-muted);
    font-size: 14px;
}

.nav-links a {
    text-decoration: none;
}

.nav-links a:hover {
    color: var(--page-text);
}

.hero {
    padding: 84px 0 42px;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
    gap: 44px;
    align-items: center;
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--page-muted);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

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

h1 {
    margin-bottom: 18px;
    font-size: clamp(42px, 6vw, 76px);
    line-height: 0.96;
    letter-spacing: 0;
}

.hero-copy {
    margin-bottom: 28px;
    color: var(--page-muted);
    font-size: 20px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.button {
    min-height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 18px;
    border: 1px solid var(--page-border);
    border-radius: 8px;
    color: var(--page-text);
    background: var(--page-surface);
    font-weight: 700;
    text-decoration: none;
}

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

.button.primary:hover {
    background: var(--page-accent-dark);
    border-color: var(--page-accent-dark);
}

.button.is-disabled,
.button.is-disabled:hover {
    cursor: default;
    transform: none;
    background: #2f5cff;
    border-color: #2f5cff;
    color: #fff;
}

.button:hover {
    border-color: #bfc2ca;
}

.hero-note {
    margin: 16px 0 0;
    color: var(--page-muted);
    font-size: 14px;
}

.hero-media {
    margin: 0;
}

.hero-media img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 1672 / 941;
    object-fit: contain;
    border: 1px solid rgba(31, 31, 33, 0.1);
    border-radius: 14px;
    box-shadow: var(--page-shadow);
}

.hero-media figcaption {
    margin-top: 10px;
    color: var(--page-muted);
    font-size: 13px;
    text-align: center;
}

.section {
    padding: 58px 0;
}

.section.compact {
    padding-top: 32px;
}

.section-heading {
    width: min(780px, 100%);
    margin-bottom: 30px;
}

.section-heading h2 {
    margin-bottom: 12px;
    font-size: clamp(30px, 4vw, 48px);
    line-height: 1.05;
}

.section-heading p {
    color: var(--page-muted);
    font-size: 18px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.card,
.text-panel,
.legal-card {
    border: 1px solid var(--page-border);
    border-radius: 8px;
    background: var(--page-surface);
}

.card {
    padding: 22px;
}

.card h3 {
    margin-bottom: 8px;
    font-size: 18px;
}

.card p,
.text-panel p,
.legal-card p,
.legal-card li {
    color: var(--page-muted);
}

.text-panel {
    padding: 28px;
}

.split {
    display: grid;
    grid-template-columns: 0.86fr 1.14fr;
    gap: 18px;
    align-items: stretch;
}

.principles {
    display: grid;
    gap: 10px;
    padding: 0;
    margin: 0;
    list-style: none;
}

.principles li {
    padding: 14px 16px;
    border: 1px solid var(--page-border);
    border-radius: 8px;
    background: var(--page-surface);
}

.feature-list {
    columns: 2;
    column-gap: 36px;
    padding-left: 18px;
    color: var(--page-muted);
}

.feature-list li {
    break-inside: avoid;
    margin-bottom: 10px;
}

.app-store-panel {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 26px;
    border: 1px solid #cfd7ff;
    border-radius: 8px;
    background: #f7f9ff;
}

.app-store-panel h2 {
    margin-bottom: 6px;
    font-size: 28px;
}

.app-store-panel .eyebrow {
    margin-bottom: 8px;
}

.app-store-panel p:last-child {
    margin-bottom: 0;
}

.release-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px;
    min-width: min(100%, 360px);
}

.page-header {
    padding: 72px 0 28px;
}

.page-header h1 {
    max-width: 850px;
}

.page-header p {
    max-width: 760px;
    color: var(--page-muted);
    font-size: 19px;
}

.legal-layout {
    display: grid;
    gap: 16px;
    padding-bottom: 64px;
}

.legal-card {
    padding: 26px;
}

.legal-card h2 {
    font-size: 24px;
}

.legal-card a {
    color: var(--page-accent-dark);
}

.site-footer {
    margin-top: auto;
    padding: 28px 0;
    border-top: 1px solid var(--page-border);
    color: var(--page-muted);
    font-size: 14px;
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.footer-links a {
    text-decoration: none;
}

@media (max-width: 840px) {
    .site-nav-inner {
        align-items: flex-start;
        flex-direction: column;
        padding: 16px 0;
    }

    .nav-links {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 2px;
    }

    .hero {
        padding-top: 48px;
    }

    .hero-grid,
    .split {
        grid-template-columns: 1fr;
    }

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

    .feature-list {
        columns: 1;
    }

    .app-store-panel {
        align-items: flex-start;
        flex-direction: column;
    }

    .release-actions {
        justify-content: flex-start;
        min-width: 0;
    }
}