:root {
    --bg: #f4f7fb;
    --surface: #ffffff;
    --surface-soft: #eef4fb;
    --surface-strong: #d9e8f4;
    --text: #1d2b36;
    --muted: #607284;
    --line: rgba(18, 68, 105, 0.12);
    --primary: #0d6ea8;
    --primary-dark: #0a4569;
    --accent: #7ec7e6;
    --shadow: 0 24px 60px rgba(22, 52, 78, 0.12);
    --radius-lg: 28px;
    --radius-md: 18px;
    --radius-sm: 12px;
    --content-width: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(126, 199, 230, 0.35), transparent 28%),
        linear-gradient(180deg, #f9fbfd 0%, var(--bg) 100%);
}

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

a:-moz-any-link {
    text-decoration: none;
}

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    padding: 18px 20px 0;
}

.header-inner {
    width: min(var(--content-width), calc(100vw - 40px));
    margin: 0 auto;
    padding: 18px 24px;
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(7, 54, 83, 0.96), rgba(14, 110, 168, 0.94));
    box-shadow: 0 18px 45px rgba(10, 50, 77, 0.24);
    backdrop-filter: blur(18px);
}

.site-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand-mark {
    text-decoration: none;
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 220px;
}

.brand-kicker {
    font-size: 11px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.72);
}

.brand-name {
    font-size: 34px;
    line-height: 1;
    color: #ffffff;
    font-family: Georgia, "Times New Roman", serif;
    font-style: italic;
}

.nav-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    position: relative;
}

.nav-item {
    list-style: none;
}

.nav-item-has-subnav {
    position: relative;
}

.nav-item-has-subnav::after {
    content: "";
    position: absolute;
    top: 100%;
    left: -12px;
    right: -12px;
    height: 18px;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0 16px;
    text-decoration: none;
    color: #f8fdff;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.nav-link-platform {
    background: linear-gradient(160deg, rgba(15, 110, 168, 0.42), rgba(126, 199, 230, 0.4));
    border-color: rgba(126, 199, 230, 0.72);
    color: #ffffff;
    box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, 0.14),
        0 10px 22px rgba(9, 48, 74, 0.22);
    backdrop-filter: blur(8px);
}

.nav-link:hover {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.28);
}

.nav-link-platform:hover {
    background: linear-gradient(160deg, rgba(15, 110, 168, 0.54), rgba(126, 199, 230, 0.5));
    border-color: rgba(126, 199, 230, 0.85);
}

.nav-hover-links {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: nowrap;
    width: max-content;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translate(-50%, -6px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    z-index: 25;
    white-space: nowrap;
}

.nav-item-has-subnav:hover .nav-hover-links,
.nav-item-has-subnav:focus-within .nav-hover-links {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translate(-50%, 0);
}

.nav-hover-link {
    min-height: 40px;
    padding: 0 16px;
    background: #dff3ff;
    border-color: rgba(80, 153, 196, 0.42);
    color: #0a4569;
    box-shadow: 0 12px 24px rgba(8, 36, 58, 0.18);
}

.nav-hover-link:hover {
    background: #cfeafb;
    border-color: rgba(57, 134, 181, 0.52);
}

.header-meta {
    margin-top: 14px;
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
    color: rgba(255, 255, 255, 0.82);
    font-size: 13px;
}

.meta-label {
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 11px;
}

.language-switcher {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.language-switcher-label {
    font-size: 12px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.88);
}

.language-switcher-select {
    min-height: 38px;
    padding: 0 12px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    font: inherit;
}

.language-switcher-select:focus {
    outline: 2px solid rgba(207, 234, 251, 0.72);
    outline-offset: 2px;
}

.language-switcher-select option {
    color: #17324a;
}

.page-content {
    width: min(var(--content-width), calc(100vw - 40px));
    margin: 0 auto;
    padding: 44px 0 70px;
    flex: 1;
}

.page-intro {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(220px, 320px);
    gap: 28px;
    align-items: center;
    margin-bottom: 30px;
}

.page-intro-copy {
    min-width: 0;
    max-width: 780px;
}

.page-intro-brand {
    display: flex;
    justify-content: flex-end;
}

.page-intro-brand-frame {
    width: min(100%, 320px);
    padding: 18px;
    border-radius: 24px;
    border: 1px solid rgba(13, 110, 168, 0.12);
    background:
        radial-gradient(circle at top left, rgba(126, 199, 230, 0.34), transparent 42%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(238, 244, 251, 0.92));
    box-shadow: 0 18px 45px rgba(10, 50, 77, 0.12);
}

.page-intro-brand-image {
    display: block;
    width: 100%;
    height: auto;
}

.section-nav {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 28px;
}

.section-nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 18px;
    border-radius: 999px;
    background: rgba(13, 110, 168, 0.08);
    border: 1px solid rgba(13, 110, 168, 0.12);
    color: var(--primary-dark);
    text-decoration: none;
    font-weight: 700;
}

.section-nav-link:hover {
    background: rgba(13, 110, 168, 0.14);
}

.nav-hover-links .nav-hover-link {
    background: #dff3ff;
    border: 1px solid #7db8da;
    color: #0a4569;
    opacity: 1;
}

.nav-hover-links .nav-hover-link:hover {
    background: #cfeafb;
    border-color: #5fa0c7;
}


.page-section + .page-section {
    margin-top: 38px;
}

.page-section,
.doc-section-card,
.doc-subsection-card {
    scroll-margin-top: 120px;
}

.section-heading {
    max-width: 760px;
    margin-bottom: 20px;
}

.section-heading h2 {
    margin: 0 0 10px;
    font-size: 2rem;
    color: #17324a;
}

.section-notice {
    margin: 0 0 14px;
    padding: 12px 16px;
    border-radius: 14px;
    border: 1px solid rgba(204, 146, 0, 0.28);
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.5;
}

.section-notice-warning {
    background: linear-gradient(180deg, rgba(255, 244, 179, 0.94), rgba(255, 234, 140, 0.96));
    color: #6b5200;
    box-shadow: 0 10px 22px rgba(204, 146, 0, 0.12);
}

.section-heading p {
    margin: 0;
    color: var(--muted);
}

.eyebrow {
    margin: 0 0 10px;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    font-size: 12px;
    color: var(--primary);
    font-weight: 700;
}

.eyebrow-link {
    color: inherit;
    text-decoration: underline;
    text-underline-offset: 0.18em;
}

.eyebrow-link:-moz-any-link {
    text-decoration: underline;
}

.eyebrow-link:hover {
    text-decoration: underline;
}

.page-intro h1 {
    margin: 0;
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(2.2rem, 5vw, 4.1rem);
    line-height: 1.02;
    color: #102131;
}

.lead {
    max-width: 700px;
    margin: 18px 0 0;
    font-size: 1.05rem;
    color: var(--muted);
}

.hero-panel {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.9fr);
    gap: 30px;
    padding: 34px;
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(243, 248, 252, 0.96));
    border: 1px solid rgba(13, 110, 168, 0.08);
    box-shadow: var(--shadow);
}

.hero-panel-alt {
    background: linear-gradient(180deg, rgba(242, 248, 253, 0.95), rgba(255, 255, 255, 0.98));
}

.unity-hero-panel {
    grid-template-columns: minmax(0, 1.35fr) fit-content(380px);
    align-items: start;
}

.hero-copy h2,
.hero-copy h3,
.content-card h2,
.content-card h3,
.platform-card h2 {
    margin: 0 0 12px;
    font-size: 1.6rem;
    color: #17324a;
}

.hero-copy p,
.platform-card p,
.content-card p,
.content-card li {
    color: var(--muted);
}

.feature-list {
    display: grid;
    gap: 16px;
    margin: 26px 0 0;
}

.feature-item {
    display: grid;
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 16px;
    align-items: start;
    padding: 18px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid var(--line);
}

.feature-item h3 {
    margin: 0 0 6px;
    font-size: 1.05rem;
    color: #17324a;
}

.feature-item p {
    margin: 0;
}

.feature-index {
    width: 54px;
    height: 54px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #ffffff;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.action-row {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
    margin-top: 28px;
}

.primary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 22px;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 12px 24px rgba(13, 110, 168, 0.24);
}

.primary-button:hover {
    filter: brightness(1.04);
}

.secondary-link,
.text-link {
    color: var(--primary-dark);
    text-decoration: none;
    font-weight: 700;
}

.hero-visual {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.visual-frame {
    position: relative;
    overflow: hidden;
    border-radius: 24px;
    padding: 18px;
    background: linear-gradient(160deg, rgba(15, 110, 168, 0.12), rgba(126, 199, 230, 0.18));
    border: 1px solid rgba(13, 110, 168, 0.12);
    min-height: 320px;
}

.visual-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 16px;
    display: block;
}

.unity-menu-frame {
    min-height: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 10px;
    width: max-content;
    max-width: 100%;
}

.unity-menu-frame .eyebrow {
    margin: 0;
}

.unity-menu-visual {
    width: max-content;
    max-width: 100%;
}

.unity-menu-frame .unity-menu-image {
    width: 320px;
    max-width: 100%;
    height: auto;
    object-fit: contain;
}

.highlight-card,
.platform-card,
.content-card {
    border-radius: var(--radius-md);
    background: var(--surface);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.highlight-card {
    padding: 22px;
}

.card-tag {
    margin: 0 0 10px;
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--primary);
    font-weight: 700;
}

.platform-grid,
.content-grid,
.tool-grid {
    display: grid;
    gap: 24px;
    margin-top: 30px;
}

.platform-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.platform-card {
    padding: 26px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(239, 245, 250, 0.96));
}

.muted-note {
    display: inline-block;
    margin-top: 8px;
    color: #7b8c99;
    font-size: 13px;
}

.content-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.8fr);
}

.tool-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.single-column {
    grid-template-columns: 1fr;
}

.content-card {
    padding: 28px;
}

.compact-card {
    padding: 18px;
}

.compact-card p {
    margin-bottom: 0;
}

.tool-card-content {
    display: grid;
    gap: 8px;
    min-width: 0;
}

.tool-card-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.tool-card-title,
.doc-intro-heading {
    display: flex;
    align-items: center;
    gap: 8px;
}

.tool-card-number {
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--primary);
}

.tool-card-title span,
.doc-intro-heading span {
    min-width: 0;
}

.tool-card-icon,
.doc-intro-icon {
    flex: 0 0 auto;
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.tool-card-link {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    text-decoration: none !important;
    color: inherit;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.tool-card-link:-moz-any-link {
    text-decoration: none !important;
}

.tool-card-link h3,
.tool-card-link p,
.tool-card-link span {
    text-decoration: none !important;
}

.tool-card-link:-moz-any-link h3,
.tool-card-link:-moz-any-link p,
.tool-card-link:-moz-any-link span {
    text-decoration: none !important;
}

.tool-card-link:hover {
    transform: translateY(-3px);
    border-color: rgba(13, 110, 168, 0.22);
    box-shadow: 0 26px 56px rgba(22, 52, 78, 0.16);
}

.tool-card-link .text-link {
    text-decoration: underline !important;
    text-underline-offset: 0.18em;
}

.tool-card-link .text-link:-moz-any-link {
    text-decoration: underline !important;
}

.side-card {
    background: linear-gradient(180deg, rgba(238, 244, 251, 0.92), rgba(255, 255, 255, 0.98));
}

.steps-list {
    margin: 0;
    padding-left: 20px;
    display: grid;
    gap: 12px;
}

.support-list {
    margin: 0;
    padding-left: 18px;
    display: grid;
    gap: 10px;
}

.code-block {
    margin: 0 0 14px;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    background: #102a3e;
    color: #f0f8ff;
    font-family: Consolas, "Courier New", monospace;
    font-size: 0.95rem;
    overflow-wrap: anywhere;
}

.image-card img {
    width: 100%;
    margin-top: 14px;
    border-radius: 16px;
    border: 1px solid var(--line);
    display: block;
}

.video-card {
    overflow: hidden;
}

.video-card-featured {
    box-shadow: 0 30px 70px rgba(22, 52, 78, 0.18);
}

.video-placeholder {
    min-height: 400px;
    padding: 34px;
    border-radius: 18px;
    background:
        radial-gradient(circle at top right, rgba(126, 199, 230, 0.26), transparent 28%),
        linear-gradient(160deg, rgba(15, 110, 168, 0.12), rgba(126, 199, 230, 0.18));
    border: 1px solid rgba(13, 110, 168, 0.14);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.video-badge {
    display: inline-flex;
    width: fit-content;
    margin-bottom: 16px;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.7);
    color: var(--primary-dark);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

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

.tool-index-link {
    display: inline-flex;
    align-items: center;
    min-height: 48px;
    padding: 0 16px;
    border-radius: 14px;
    background: rgba(13, 110, 168, 0.06);
    border: 1px solid rgba(13, 110, 168, 0.1);
    color: var(--primary-dark);
    text-decoration: none;
    font-weight: 600;
}

.tool-index-link:hover,
.tool-index-link-active {
    background: rgba(13, 110, 168, 0.12);
    border-color: rgba(13, 110, 168, 0.2);
}

.doc-intro-card {
    align-self: start;
}

.doc-preview-card {
    align-self: start;
    padding: 18px;
    overflow: hidden;
}

.doc-preview-image {
    width: 100%;
    display: block;
    border-radius: 16px;
    border: 1px solid var(--line);
}

.doc-sections-stack {
    display: grid;
    gap: 18px;
    margin-top: 30px;
}

.doc-section-card,
.doc-subsection-card {
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.doc-section-summary {
    padding: 22px 24px;
    background: linear-gradient(180deg, rgba(245, 249, 253, 0.96), rgba(236, 243, 249, 0.96));
}

.doc-subsection-summary {
    padding: 18px 20px;
    background: rgba(13, 110, 168, 0.05);
}

.doc-section-title,
.doc-subsection-title {
    color: #17324a;
    font-weight: 700;
}

.doc-section-body {
    padding: 20px 24px 24px;
}

.doc-subsection-card {
    margin-top: 18px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 250, 253, 0.98));
}

.doc-subsection-body {
    padding: 16px 20px 20px;
}

.doc-text {
    color: var(--muted);
    font-family: inherit;
    line-height: 1.75;
}

.doc-text p {
    margin: 0 0 14px;
}

.doc-text ul {
    margin: 6px 0 12px;
    padding-left: 22px;
}

.doc-text ol {
    margin: 6px 0 12px;
    padding-left: 24px;
}

.doc-text li {
    margin-bottom: 4px;
}

.doc-text strong {
    color: #17324a;
    font-weight: 700;
}

.docs-layout {
    display: grid;
    grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
}

.docs-sidebar {
    position: sticky;
    top: 126px;
    align-self: start;
}

.docs-sidebar-card {
    padding: 22px;
    border-radius: var(--radius-md);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(241, 247, 252, 0.98));
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.docs-sidebar-card + .docs-sidebar-card {
    margin-top: 18px;
}

.docs-sidebar-card h2 {
    margin: 0 0 10px;
    color: #17324a;
}

.docs-sidebar-card p {
    margin: 0;
    color: var(--muted);
}

.docs-sidebar-nav {
    display: grid;
    gap: 14px;
    max-height: calc(100vh - 170px);
    overflow-y: auto;
    scrollbar-width: thin;
}

.docs-sidebar-group {
    display: grid;
    gap: 10px;
}

.docs-sidebar-link,
.docs-sidebar-sublink,
.wiki-local-link,
.wiki-preview-link {
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.docs-sidebar-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 14px;
    background: rgba(13, 110, 168, 0.06);
    border: 1px solid rgba(13, 110, 168, 0.1);
    color: var(--primary-dark);
    font-weight: 700;
}

.docs-sidebar-link:hover,
.docs-sidebar-link-top {
    background: rgba(13, 110, 168, 0.12);
    border-color: rgba(13, 110, 168, 0.18);
}

.docs-sidebar-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #ffffff;
    font-size: 0.84rem;
    letter-spacing: 0.08em;
}

.docs-sidebar-subnav {
    display: grid;
    gap: 8px;
    padding-left: 14px;
}

.docs-sidebar-sublink {
    display: block;
    padding-left: 12px;
    border-left: 2px solid rgba(13, 110, 168, 0.12);
    color: var(--muted);
    font-size: 0.96rem;
}

.docs-sidebar-sublink:hover {
    color: var(--primary-dark);
    border-left-color: rgba(13, 110, 168, 0.3);
}

.docs-content {
    min-width: 0;
}

.wiki-tool-section {
    scroll-margin-top: 120px;
}

.wiki-tool-intro-grid {
    margin-top: 0;
}

.wiki-tool-intro-card {
    display: grid;
    gap: 16px;
}

.wiki-tool-tagline {
    margin: 0;
    color: var(--primary-dark);
    font-size: 1.02rem;
    font-weight: 700;
}

.wiki-tool-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.wiki-tool-preview-card {
    display: grid;
    gap: 14px;
}

.wiki-preview-caption {
    margin: 0;
    color: var(--muted);
}

.wiki-local-nav {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.wiki-local-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0 16px;
    border-radius: 999px;
    background: rgba(13, 110, 168, 0.08);
    border: 1px solid rgba(13, 110, 168, 0.12);
    color: var(--primary-dark);
    font-weight: 700;
}

.wiki-local-link:hover,
.wiki-preview-link:hover {
    transform: translateY(-1px);
    background: rgba(13, 110, 168, 0.12);
    border-color: rgba(13, 110, 168, 0.2);
}

.wiki-preview-links {
    display: grid;
    gap: 10px;
}

.wiki-preview-link {
    display: block;
    padding: 12px 14px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.55);
    border: 1px solid rgba(13, 110, 168, 0.1);
    color: var(--primary-dark);
    font-weight: 600;
}

#contactForm {
    margin-top: 18px;
    display: grid;
    gap: 14px;
}

#contactForm fieldset {
    margin: 0;
    padding: 0;
    border: 0;
    min-width: 0;
    display: grid;
    gap: 14px;
}

#contactForm label {
    font-weight: 600;
    color: #17324a;
}

#contactForm input,
#contactForm textarea {
    width: 100%;
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid rgba(13, 110, 168, 0.16);
    background: #f9fbfd;
    color: var(--text);
    font: inherit;
}

#contactForm input:focus,
#contactForm textarea:focus {
    outline: 2px solid rgba(13, 110, 168, 0.14);
    border-color: rgba(13, 110, 168, 0.28);
}

#contactForm[aria-disabled="true"] input,
#contactForm[aria-disabled="true"] textarea {
    background: #eef3f7;
    color: #7b8c99;
    border-color: rgba(13, 110, 168, 0.1);
    cursor: not-allowed;
}

#contactForm[aria-disabled="true"] label {
    color: #6f8190;
}

#contactForm[aria-disabled="true"] .primary-button,
.primary-button[disabled] {
    cursor: not-allowed;
    opacity: 0.72;
    filter: saturate(0.35);
    box-shadow: none;
}

.site-footer {
    padding: 0 20px 24px;
}

.footer-inner {
    width: min(var(--content-width), calc(100vw - 40px));
    margin: 0 auto;
    padding: 18px 22px;
    border-radius: 20px;
    background: #102a3e;
    color: rgba(255, 255, 255, 0.78);
    display: flex;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-inner p {
    margin: 0;
}

@media (max-width: 980px) {
    .site-nav,
    .hero-panel,
    .docs-layout,
    .content-grid,
    .platform-grid,
    .tool-grid,
    .tool-index-grid {
        grid-template-columns: 1fr;
    }

    .site-nav {
        display: grid;
    }

    .brand-mark {
        min-width: 0;
    }

    .nav-list {
        justify-content: flex-start;
    }

    .header-meta {
        align-items: flex-start;
    }

    .nav-hover-links {
        display: none;
    }

    .hero-panel {
        padding: 26px;
    }

    .docs-sidebar {
        position: static;
        top: auto;
    }

    .docs-sidebar-nav {
        max-height: none;
        overflow: visible;
    }
}

@media (max-width: 720px) {
    .site-header {
        padding: 12px 12px 0;
    }

    .header-inner,
    .page-content,
    .footer-inner {
        width: min(var(--content-width), calc(100vw - 24px));
    }

    .header-inner {
        padding: 16px;
    }

    .page-content {
        padding: 28px 0 44px;
    }

    .page-intro {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .page-intro-brand {
        justify-content: flex-start;
    }

    .page-intro-brand-frame {
        max-width: 240px;
        padding: 14px;
    }

    .page-intro h1 {
        font-size: clamp(1.9rem, 10vw, 3rem);
    }

    .hero-panel,
    .content-card,
    .platform-card {
        padding: 22px;
    }

    .docs-sidebar-card {
        padding: 18px;
    }

    .feature-item {
        grid-template-columns: 1fr;
    }

    .feature-index {
        width: 48px;
        height: 48px;
    }

    .action-row {
        align-items: stretch;
    }

    .wiki-tool-actions {
        align-items: stretch;
    }

    .primary-button {
        width: 100%;
    }

    .footer-inner {
        padding: 16px;
    }

    .docs-sidebar-subnav {
        padding-left: 0;
    }
}