:root {
    interpolate-size: allow-keywords;
    color-scheme: light;
    --bg: #ecf2f0;
    --bg-strong: #dfe9e5;
    --surface: rgba(255, 255, 255, 0.82);
    --surface-strong: rgba(255, 255, 255, 0.95);
    --surface-soft: #f7fbf9;
    --surface-tint: #eff7f4;
    --text: #122536;
    --muted: #5a6c78;
    --muted-strong: #405361;
    --line: rgba(18, 37, 54, 0.1);
    --line-strong: rgba(18, 37, 54, 0.18);
    --accent: #005bbb;
    --accent-strong: #003b7a;
    --accent-soft: rgba(0, 91, 187, 0.09);
    --accent-line: rgba(0, 91, 187, 0.17);
    --teal: #0c7a72;
    --teal-soft: rgba(12, 122, 114, 0.12);
    --gold: #b9861f;
    --success: #1f7a53;
    --success-soft: rgba(31, 122, 83, 0.11);
    --warning: #8a6110;
    --warning-soft: rgba(138, 97, 16, 0.14);
    --danger: #b8352b;
    --danger-soft: rgba(184, 53, 43, 0.12);
    --shadow-sm: 0 18px 48px rgba(18, 37, 54, 0.07);
    --shadow-md: 0 28px 88px rgba(18, 37, 54, 0.09);
    --shadow-lg: 0 48px 140px rgba(18, 37, 54, 0.11);
    --radius-xl: 28px;
    --radius-lg: 22px;
    --radius-md: 16px;
    --radius-sm: 12px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

[hidden] {
    display: none !important;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at 12% 10%, rgba(0, 91, 187, 0.12), transparent 28%),
        radial-gradient(circle at 82% 14%, rgba(12, 122, 114, 0.14), transparent 24%),
        radial-gradient(circle at 50% 100%, rgba(185, 134, 31, 0.08), transparent 32%),
        linear-gradient(180deg, #fbfdfc 0%, var(--bg) 44%, #e7efec 100%);
    color: var(--text);
    font-family: "Manrope", "Avenir Next", "Segoe UI", sans-serif;
    line-height: 1.5;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

body.mobile-nav-open {
    overflow: hidden;
}

a,
button,
input,
select,
textarea {
    font: inherit;
}

a {
    color: inherit;
}

button,
input,
select,
textarea {
    touch-action: manipulation;
}

h1,
h2,
h3,
h4,
p,
dl,
dd,
dt,
pre {
    margin: 0;
}

.page-ambient {
    position: fixed;
    inset: 0;
    pointer-events: none;
    overflow: clip;
    z-index: -1;
}

.page-orbit,
.page-grid {
    position: absolute;
    inset: 0;
}

.page-orbit {
    border-radius: 999px;
    filter: blur(18px);
}

.page-orbit-a {
    inset: -12% auto auto -10%;
    width: min(28rem, 42vw);
    height: min(28rem, 42vw);
    background: radial-gradient(circle, rgba(0, 91, 187, 0.16), transparent 68%);
}

.page-orbit-b {
    inset: auto -12% 8% auto;
    width: min(32rem, 48vw);
    height: min(32rem, 48vw);
    background: radial-gradient(circle, rgba(12, 122, 114, 0.12), transparent 64%);
}

.page-grid {
    background-image:
        linear-gradient(rgba(16, 35, 50, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(16, 35, 50, 0.035) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.6), transparent 78%);
}

.scroll-progress {
    position: fixed;
    inset: 0 0 auto;
    height: 3px;
    z-index: 60;
    transform-origin: 0 50%;
    transform: scaleX(0);
    background: linear-gradient(90deg, #5ea1ff 0%, var(--accent) 45%, #0a469c 100%);
    box-shadow: 0 1px 10px rgba(0, 91, 187, 0.24);
    animation: scroll-progress linear both;
    animation-timeline: scroll(root block);
}

.site-shell {
    width: min(1380px, calc(100% - clamp(1rem, 3vw, 2.5rem)));
    margin: 0 auto;
    padding: max(1rem, env(safe-area-inset-top)) 0 clamp(3rem, 6vw, 4.75rem);
}

.project-ribbon {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1rem;
    align-items: center;
    margin-bottom: 0.95rem;
    padding: 1rem 1.15rem;
    border: 1px solid rgba(255, 255, 255, 0.76);
    border-radius: calc(var(--radius-xl) + 4px);
    background:
        linear-gradient(135deg, rgba(0, 91, 187, 0.08), rgba(12, 122, 114, 0.05) 48%, rgba(185, 134, 31, 0.09));
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(18px) saturate(1.2);
}

.project-ribbon-copy {
    display: grid;
    gap: 0.45rem;
}

.project-ribbon-tag {
    display: inline-flex;
    width: fit-content;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.7rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.72);
    color: var(--accent-strong);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.project-ribbon-copy p {
    max-width: 62ch;
    color: var(--muted-strong);
    font-size: 0.95rem;
    line-height: 1.6;
}

.project-ribbon-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 4.2rem;
    padding: 0.95rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: calc(var(--radius-lg) + 2px);
    background: rgba(255, 255, 255, 0.92);
}

.project-ribbon-logo img {
    width: min(100%, 17rem);
    height: auto;
    display: block;
}

.site-header {
    position: sticky;
    top: max(0.75rem, env(safe-area-inset-top));
    z-index: 30;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.95rem 1.25rem;
    padding: 0.95rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: calc(var(--radius-xl) + 4px);
    background: rgba(249, 252, 251, 0.8);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(20px) saturate(1.22);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.9rem;
    min-width: 0;
    text-decoration: none;
}

.brand-mark {
    position: relative;
    display: grid;
    place-items: center;
    width: 3rem;
    height: 3rem;
    border-radius: 1rem;
    background:
        linear-gradient(145deg, rgba(0, 91, 187, 0.98), rgba(0, 59, 122, 0.96));
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.3),
        0 14px 30px rgba(0, 91, 187, 0.22);
}

.brand-mark::before,
.brand-mark::after {
    content: "";
    position: absolute;
    inset: 0.48rem;
    border-radius: 999px;
    border: 1.5px solid rgba(255, 255, 255, 0.66);
}

.brand-mark::after {
    inset: 0.78rem 0.5rem 0.5rem 0.78rem;
    border-top: 0;
    border-left: 0;
}

.brand-mark-core {
    width: 0.95rem;
    height: 0.95rem;
    border-radius: 999px;
    border: 2px solid rgba(255, 255, 255, 0.9);
}

.brand-copy {
    display: grid;
    gap: 0.15rem;
    min-width: 0;
}

.brand-copy strong,
.page-heading,
.hero-panel h1,
.panel h2,
.detail-card h1,
.detail-card h2,
.catalog-card h3,
.request-card h3,
.admin-card h3,
.user-card h3 {
    font-family: "Space Grotesk", "Manrope", sans-serif;
    font-weight: 700;
    letter-spacing: -0.045em;
    text-wrap: balance;
}

.brand-copy strong {
    font-size: 0.98rem;
}

.brand-copy span {
    color: var(--muted);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.main-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    align-items: center;
    justify-content: center;
    min-width: 0;
}

.main-nav a,
.header-link,
.button,
button,
input,
select,
textarea,
.text-link,
.mobile-nav-list a {
    transition:
        color 180ms ease,
        background-color 180ms ease,
        border-color 180ms ease,
        box-shadow 180ms ease,
        transform 180ms ease,
        opacity 180ms ease;
}

.main-nav a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.6rem;
    padding: 0 0.95rem;
    border-radius: 999px;
    color: var(--muted);
    font-size: 0.92rem;
    font-weight: 800;
    text-decoration: none;
}

.main-nav a:hover,
.main-nav a.is-active {
    color: var(--text);
    background: rgba(255, 255, 255, 0.68);
    box-shadow: inset 0 0 0 1px rgba(16, 35, 50, 0.06);
}

.main-nav a.is-active {
    color: var(--accent-strong);
    background: var(--accent-soft);
    box-shadow: inset 0 0 0 1px var(--accent-line);
}

.header-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem 1rem;
    justify-content: flex-end;
    align-items: center;
}

.header-session {
    display: grid;
    gap: 0.35rem;
    justify-items: end;
}

.header-session-label,
.mobile-nav-eyebrow {
    color: var(--muted);
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.header-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    justify-content: flex-end;
}

.mobile-header-actions {
    display: none;
}

.header-link,
.button,
button {
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.85rem;
    padding: 0 1rem;
    border: 1px solid transparent;
    border-radius: 999px;
    cursor: pointer;
    font-size: 0.94rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    text-decoration: none;
}

.header-link.primary,
.button.primary,
button.primary,
button:not(.ghost):not(.secondary):not(.subtle):not(.danger) {
    color: #f8fbff;
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    box-shadow: 0 12px 26px rgba(0, 91, 187, 0.18);
}

.header-link.ghost,
.button.ghost,
button.ghost {
    color: var(--text);
    border-color: var(--line);
    background: rgba(255, 255, 255, 0.72);
}

.button.secondary,
button.secondary {
    color: var(--accent-strong);
    border-color: var(--accent-line);
    background: var(--surface-tint);
}

.button.subtle,
button.subtle {
    color: var(--text);
    border-color: transparent;
    background: rgba(16, 35, 50, 0.06);
}

.button.danger,
button.danger {
    color: #fff8f8;
    border-color: transparent;
    background: linear-gradient(135deg, #d8453a, var(--danger));
    box-shadow: 0 12px 24px rgba(184, 53, 43, 0.16);
}

.main-nav a:hover,
.header-link:hover,
.button:hover,
button:hover,
.mobile-nav-list a:hover {
    transform: translateY(-1px);
}

.button:disabled,
button:disabled {
    opacity: 0.56;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.session-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    min-height: 2.65rem;
    padding: 0 0.95rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.66);
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.session-chip::before {
    content: "";
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 999px;
    background: var(--warning);
    box-shadow: 0 0 0 0.28rem rgba(138, 97, 16, 0.14);
}

.session-chip.is-authenticated::before {
    background: var(--success);
    box-shadow: 0 0 0 0.28rem rgba(31, 122, 83, 0.12);
}

.notice-wrap {
    margin-top: 0.95rem;
}

.notice-bar {
    padding: 0.95rem 1.15rem;
    border: 1px solid transparent;
    border-radius: 1.15rem;
    font-size: 0.94rem;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
    background: rgba(255, 255, 255, 0.9);
}

.notice-bar.info {
    color: #17468f;
    background: rgba(236, 244, 255, 0.92);
    border-color: rgba(0, 91, 187, 0.12);
}

.notice-bar.success {
    color: #175f40;
    background: rgba(236, 252, 244, 0.94);
    border-color: rgba(31, 122, 83, 0.14);
}

.notice-bar.error {
    color: #9a2141;
    background: rgba(255, 241, 243, 0.95);
    border-color: rgba(184, 53, 43, 0.14);
}

.app-root {
    margin-top: clamp(1rem, 2vw, 1.4rem);
}

.app-root.is-loading {
    opacity: 0.76;
    filter: saturate(0.88);
    pointer-events: none;
}

.page {
    display: grid;
    gap: clamp(1rem, 2vw, 1.5rem);
}

.page > * {
    min-width: 0;
}

.hero-panel,
.panel,
.catalog-card,
.detail-card,
.feature-card,
.request-card,
.user-card,
.admin-card,
.empty-state {
    border: 1px solid rgba(255, 255, 255, 0.72);
    border-radius: var(--radius-xl);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.79));
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(14px);
}

.hero-panel,
.panel,
.detail-card,
.admin-card,
.empty-state {
    padding: clamp(1.2rem, 2.8vw, 2rem);
}

.catalog-card,
.feature-card,
.request-card,
.user-card {
    padding: clamp(1.05rem, 2.2vw, 1.4rem);
}

.hero-panel {
    position: relative;
    overflow: clip;
    isolation: isolate;
}

.hero-panel::after {
    content: "";
    position: absolute;
    right: -10%;
    bottom: -26%;
    width: min(22rem, 42vw);
    aspect-ratio: 1;
    border-radius: 999px;
    background:
        radial-gradient(circle at 35% 35%, rgba(255, 255, 255, 0.8), transparent 34%),
        linear-gradient(135deg, rgba(0, 91, 187, 0.16), rgba(12, 122, 114, 0.08), rgba(185, 134, 31, 0.04));
    z-index: -1;
}

.home-hero {
    background:
        linear-gradient(135deg, rgba(0, 91, 187, 0.08), rgba(12, 122, 114, 0.06) 48%, rgba(185, 134, 31, 0.08)),
        linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.82));
}

.home-hero::before,
.route-hero::before {
    content: "";
    position: absolute;
    inset: 1.1rem 1.1rem auto auto;
    width: min(8rem, 18vw);
    height: min(8rem, 18vw);
    border-radius: 2rem;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.7), transparent 56%),
        linear-gradient(135deg, rgba(0, 91, 187, 0.08), rgba(12, 122, 114, 0.12));
    opacity: 0.95;
    z-index: -1;
}

.page-heading {
    font-size: clamp(1.85rem, 4.1vw, 3rem);
}

.hero-panel h1,
.detail-card h1 {
    max-width: 12ch;
    font-size: clamp(2.45rem, 7vw, 4.9rem);
    line-height: 0.95;
}

.panel h2,
.detail-card h2 {
    font-size: clamp(1.32rem, 2.6vw, 1.85rem);
    line-height: 1.02;
}

.catalog-card h3,
.request-card h3,
.admin-card h3,
.user-card h3 {
    font-size: clamp(1.06rem, 2vw, 1.3rem);
    line-height: 1.08;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--accent-strong);
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.eyebrow::before {
    content: "";
    width: 1.1rem;
    height: 1px;
    background: currentColor;
}

.lead,
.muted,
.card-copy,
.detail-copy,
.empty-state p,
label span,
input,
select,
textarea,
.footer-note,
.mobile-nav-hint {
    font-size: 0.95rem;
}

.lead,
.detail-copy,
.card-copy,
.muted,
.mobile-nav-hint,
.footer-note {
    color: var(--muted);
    line-height: 1.65;
    text-wrap: pretty;
}

.lead {
    max-width: 58ch;
    font-size: clamp(1rem, 1.55vw, 1.08rem);
}

.home-page {
    gap: clamp(1.2rem, 2.4vw, 1.8rem);
}

.home-hero-layout,
.route-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(19rem, 0.9fr);
    gap: 1rem;
    align-items: start;
}

.home-hero-copy,
.route-hero-copy,
.route-hero-side,
.home-hero-media,
.hero-visual-stack {
    display: grid;
    gap: 1rem;
}

.hero-visual-stack {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hero-signal-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 0.25rem;
}

.signal-pill {
    display: inline-flex;
    align-items: center;
    min-height: 2.15rem;
    padding: 0 0.88rem;
    border: 1px solid rgba(255, 255, 255, 0.72);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.68);
    color: var(--muted-strong);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: -0.01em;
}

.hero-grid,
.page-grid-two,
.page-grid-three,
.metric-grid,
.card-grid,
.detail-grid,
.form-grid,
.stack-grid,
.admin-grid,
.request-layout,
.filter-row,
.toolbar-row,
.summary-grid,
.inline-form,
.button-row {
    display: grid;
    gap: 0.9rem;
}

.hero-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.92fr);
    align-items: start;
}

.metric-grid {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 9.5rem), 1fr));
}

.metric-grid.compact,
.home-metric-strip {
    display: grid;
    gap: 0.9rem;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
}

.home-metric-strip {
    margin-top: 1.35rem;
}

.page-grid-two,
.detail-grid,
.request-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
}

.page-grid-three,
.card-grid,
.admin-grid {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
}

.card-grid.topics {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
}

.metric-card {
    display: grid;
    gap: 0.5rem;
    align-content: start;
    padding: 1rem 1.05rem;
    border: 1px solid var(--accent-line);
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.97), rgba(239, 246, 244, 0.92));
    transition:
        transform 220ms ease,
        box-shadow 220ms ease,
        border-color 220ms ease;
}

.metric-card.is-cool {
    border-color: rgba(12, 122, 114, 0.2);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.97), rgba(240, 250, 248, 0.94));
}

.metric-card.is-warm {
    border-color: rgba(185, 134, 31, 0.2);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.97), rgba(252, 248, 239, 0.94));
}

.metric-card span {
    color: var(--muted);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.metric-card strong {
    font-family: "Space Grotesk", "Manrope", sans-serif;
    font-size: clamp(1.7rem, 3.7vw, 2.25rem);
    line-height: 1;
    letter-spacing: -0.05em;
}

.metric-detail {
    color: var(--muted);
    font-size: 0.84rem;
    line-height: 1.5;
}

.metric-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.page-actions,
.toolbar-row,
.button-row,
.pill-row,
.card-actions,
.request-actions,
.form-actions,
.header-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

.page-actions {
    margin-top: 1.35rem;
}

.pill-row {
    gap: 0.55rem;
}

.pill,
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2rem;
    padding: 0 0.8rem;
    border-radius: 999px;
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.01em;
}

.pill {
    background: rgba(16, 35, 50, 0.055);
    color: var(--text);
}

.pill.accent {
    background: var(--accent-soft);
    color: var(--accent-strong);
}

.pill.warning,
.badge.warning {
    background: var(--warning-soft);
    color: var(--warning);
}

.pill.success,
.badge.success {
    background: var(--success-soft);
    color: var(--success);
}

.badge {
    background: rgba(16, 35, 50, 0.07);
    color: var(--text);
}

.story-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
}

.story-grid.compact {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
}

.media-card {
    overflow: clip;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.76);
}

.media-card-image-wrap,
.hero-visual-image-wrap {
    position: relative;
    overflow: hidden;
    border-radius: calc(var(--radius-lg) - 2px);
}

.media-card-image-wrap {
    aspect-ratio: 16 / 10;
}

.hero-visual-image-wrap {
    aspect-ratio: 16 / 10;
}

.media-card-image,
.hero-visual-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.media-card-copy,
.hero-visual-copy {
    display: grid;
    gap: 0.8rem;
}

.feature-card h3,
.media-card h3,
.hero-visual-card h3 {
    font-family: "Space Grotesk", "Manrope", sans-serif;
    font-size: clamp(1.08rem, 2vw, 1.3rem);
    line-height: 1.08;
    letter-spacing: -0.04em;
}

.media-card-copy {
    padding: 1.05rem;
}

.hero-visual-card {
    display: grid;
    gap: 0.9rem;
    padding: 0.95rem;
    border: 1px solid rgba(255, 255, 255, 0.75);
    border-radius: calc(var(--radius-lg) + 2px);
    background: rgba(255, 255, 255, 0.78);
    box-shadow: var(--shadow-sm);
}

.hero-visual-card.is-bridge {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(239, 246, 255, 0.8));
}

.hero-visual-card.is-workshop {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(250, 247, 238, 0.82));
}

.hero-visual-card.is-education {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(240, 249, 247, 0.82));
}

.hero-visual-card.is-classroom {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(240, 246, 252, 0.84));
}

.media-credit {
    color: var(--muted);
    font-size: 0.77rem;
    line-height: 1.45;
}

.media-credit a {
    text-decoration: underline;
    text-decoration-color: rgba(0, 91, 187, 0.18);
    text-underline-offset: 0.18em;
}

.filter-summary,
.filter-summary-empty {
    margin-top: 0.35rem;
}

.filter-panel {
    gap: 1rem;
}

.panel-header,
.detail-header,
.split-heading,
.catalog-card .card-top,
.request-card .card-top,
.user-card .card-top {
    display: flex;
    justify-content: space-between;
    align-items: start;
    gap: 1rem;
}

.panel-header p,
.split-heading p {
    margin-top: 0.4rem;
}

label {
    display: grid;
    gap: 0.5rem;
    font-size: 0.92rem;
    font-weight: 800;
}

label span {
    color: var(--muted-strong);
    font-weight: 800;
    letter-spacing: -0.01em;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.98);
    color: var(--text);
}

input::placeholder,
textarea::placeholder {
    color: #8090a0;
}

input,
select {
    min-height: 3.2rem;
    padding: 0 0.95rem;
}

textarea {
    min-height: 8.5rem;
    padding: 0.9rem 0.95rem;
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: rgba(0, 91, 187, 0.34);
    box-shadow: 0 0 0 4px rgba(0, 91, 187, 0.12);
}

form {
    display: grid;
    gap: 0.95rem;
}

.form-grid.two,
.inline-form {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 13.5rem), 1fr));
}

.form-grid.three {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
}

.wide-field {
    grid-column: 1 / -1;
}

.empty-state {
    display: grid;
    gap: 0.75rem;
    text-align: center;
    justify-items: center;
}

.empty-state strong {
    font-size: 1.12rem;
    line-height: 1.2;
}

.catalog-card,
.feature-card,
.request-card,
.user-card,
.admin-card,
.media-card,
.hero-visual-card {
    display: grid;
    gap: 0.95rem;
    transition:
        transform 220ms ease,
        box-shadow 220ms ease,
        border-color 220ms ease,
        background-color 220ms ease;
}

.catalog-card p,
.request-card p,
.user-card p {
    margin: 0;
}

.catalog-card,
.request-card,
.user-card,
.admin-card {
    content-visibility: auto;
    contain-intrinsic-size: 360px;
}

.catalog-card:hover,
.feature-card:hover,
.request-card:hover,
.user-card:hover,
.admin-card:hover,
.media-card:hover,
.hero-visual-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.emphasis-card {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(242, 248, 246, 0.88));
}

.detail-rail,
.aside-stack {
    display: grid;
    gap: 0.9rem;
}

.detail-stat,
.summary-item,
.data-block {
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.82);
}

.detail-stat span,
.summary-item span {
    display: block;
    margin-bottom: 0.45rem;
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.detail-stat strong,
.summary-item strong {
    font-size: 1rem;
    line-height: 1.3;
}

.summary-grid {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 10.5rem), 1fr));
}

.data-list,
.list-stack {
    display: grid;
    gap: 0.8rem;
}

.data-block h4 {
    margin-bottom: 0.35rem;
    font-size: 1rem;
    line-height: 1.25;
}

.site-footer {
    display: grid;
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: 1rem;
    margin-top: clamp(2rem, 4vw, 3rem);
    padding: 1.1rem 1.2rem;
    border: 1px solid rgba(255, 255, 255, 0.74);
    border-radius: calc(var(--radius-xl) + 2px);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(248, 251, 250, 0.78));
    box-shadow: var(--shadow-sm);
}

.site-footer-copy,
.site-footer-meta {
    display: grid;
    gap: 0.45rem;
}

.site-footer-copy strong {
    font-family: "Space Grotesk", "Manrope", sans-serif;
    font-size: 1rem;
}

.site-footer p {
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.55;
}

.footer-link-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.footer-link-list a {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 0.7rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.72);
    color: var(--accent-strong);
    font-size: 0.82rem;
    font-weight: 700;
    text-decoration: none;
}

.meta-list {
    display: grid;
    gap: 0;
}

.meta-list div {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 0;
    border-bottom: 1px solid rgba(16, 35, 50, 0.08);
}

.meta-list div:last-child {
    border-bottom: 0;
}

.meta-list dt {
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 700;
}

.meta-list dd {
    margin: 0;
    text-align: right;
    font-weight: 800;
}

.code-block {
    overflow: auto;
    padding: 1rem;
    border-radius: var(--radius-lg);
    background: #132232;
    color: #ecf3fb;
    font-size: 0.86rem;
    line-height: 1.55;
}

.section-divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.request-card[data-status="matched"] {
    border-color: rgba(31, 122, 83, 0.22);
}

.request-card[data-status="reviewing"] {
    border-color: rgba(0, 91, 187, 0.22);
}

.request-card[data-status="archived"] {
    border-color: rgba(16, 35, 50, 0.14);
}

.status-note {
    padding: 0.9rem 1rem;
    border: 1px solid transparent;
    border-radius: 1rem;
    font-size: 0.92rem;
    font-weight: 700;
}

.status-note.info {
    color: #17468f;
    background: rgba(236, 244, 255, 0.92);
    border-color: rgba(0, 91, 187, 0.12);
}

.status-note.success {
    color: var(--success);
    background: rgba(236, 252, 244, 0.92);
    border-color: rgba(31, 122, 83, 0.14);
}

.status-note.error {
    color: #9a2141;
    background: rgba(255, 241, 243, 0.95);
    border-color: rgba(184, 53, 43, 0.14);
}

.text-link {
    color: var(--accent-strong);
    font-weight: 800;
    text-decoration: underline;
    text-decoration-color: rgba(0, 91, 187, 0.24);
    text-decoration-thickness: 1px;
    text-underline-offset: 0.22em;
}

.text-link:hover {
    color: var(--accent);
}

.loading-shell {
    min-height: min(50vh, 26rem);
    display: grid;
    place-items: center;
}

.loading-shell .empty-state {
    width: min(36rem, 100%);
}

summary {
    cursor: pointer;
    color: var(--muted-strong);
    font-weight: 800;
}

.mobile-nav-tray {
    display: none;
    margin: 0;
    border: 0;
    padding: 0;
    color: inherit;
    background: transparent;
}

.mobile-nav-shell {
    display: grid;
    gap: 1rem;
    width: min(calc(100vw - 1.5rem), 30rem);
    max-height: min(78vh, 38rem);
    overflow: auto;
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.72);
    border-radius: calc(var(--radius-xl) + 2px);
    background: rgba(248, 251, 253, 0.94);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(24px) saturate(1.15);
}

.mobile-nav-summary {
    display: grid;
    gap: 0.7rem;
}

.mobile-nav-summary .session-chip {
    justify-self: start;
}

.mobile-nav-list {
    display: grid;
    gap: 0.45rem;
}

.mobile-nav-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 3rem;
    padding: 0 0.95rem;
    border: 1px solid transparent;
    border-radius: 1rem;
    background: rgba(16, 35, 50, 0.05);
    font-weight: 800;
    text-decoration: none;
}

.mobile-nav-list a.is-active {
    color: var(--accent-strong);
    border-color: var(--accent-line);
    background: var(--accent-soft);
}

.mobile-nav-tools {
    display: grid;
    gap: 0.6rem;
}

.mobile-nav-tools .header-link,
.mobile-nav-tools button {
    width: 100%;
    justify-content: center;
}

.mobile-menu-toggle {
    gap: 0.65rem;
}

.mobile-menu-icon {
    position: relative;
    display: inline-block;
    width: 1rem;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
}

.mobile-menu-icon::before,
.mobile-menu-icon::after {
    content: "";
    position: absolute;
    left: 0;
    width: 1rem;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
}

.mobile-menu-icon::before {
    top: -5px;
}

.mobile-menu-icon::after {
    top: 5px;
}

.site-header.is-mobile-nav-open .mobile-menu-icon {
    background: transparent;
}

.site-header.is-mobile-nav-open .mobile-menu-icon::before {
    transform: translateY(5px) rotate(45deg);
}

.site-header.is-mobile-nav-open .mobile-menu-icon::after {
    transform: translateY(-5px) rotate(-45deg);
}

::view-transition-group(root) {
    animation-duration: 260ms;
}

::view-transition-old(root),
::view-transition-new(root) {
    animation-duration: 260ms;
    animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
    mix-blend-mode: normal;
}

::view-transition-old(root) {
    animation-name: view-fade-out;
}

::view-transition-new(root) {
    animation-name: view-fade-in;
}

:active-view-transition-type(forwards)::view-transition-old(root) {
    animation-name: view-fade-out, view-slide-out-left;
}

:active-view-transition-type(forwards)::view-transition-new(root) {
    animation-name: view-fade-in, view-slide-in-right;
}

:active-view-transition-type(backwards)::view-transition-old(root) {
    animation-name: view-fade-out, view-slide-out-right;
}

:active-view-transition-type(backwards)::view-transition-new(root) {
    animation-name: view-fade-in, view-slide-in-left;
}

:active-view-transition-type(drill-in)::view-transition-old(root) {
    animation-name: view-fade-out, view-scale-down;
}

:active-view-transition-type(drill-in)::view-transition-new(root) {
    animation-name: view-fade-in, view-scale-up;
}

:active-view-transition-type(drill-out)::view-transition-old(root) {
    animation-name: view-fade-out, view-scale-up;
}

:active-view-transition-type(drill-out)::view-transition-new(root) {
    animation-name: view-fade-in, view-scale-down;
}

@supports (transition-behavior: allow-discrete) {
    .mobile-nav-tray {
        opacity: 0;
        transform: translateY(-0.75rem) scale(0.98);
        transition:
            opacity 220ms ease,
            transform 220ms ease,
            overlay 220ms ease allow-discrete,
            display 220ms ease allow-discrete;
    }

    .mobile-nav-tray:popover-open {
        opacity: 1;
        transform: translateY(0) scale(1);
    }

    .mobile-nav-tray::backdrop {
        opacity: 0;
        background: rgba(9, 19, 29, 0.16);
        backdrop-filter: blur(12px);
        transition:
            opacity 220ms ease,
            overlay 220ms ease allow-discrete,
            display 220ms ease allow-discrete;
    }

    .mobile-nav-tray:popover-open::backdrop {
        opacity: 1;
    }

    @starting-style {
        .mobile-nav-tray:popover-open {
            opacity: 0;
            transform: translateY(-1rem) scale(0.975);
        }

        .mobile-nav-tray:popover-open::backdrop {
            opacity: 0;
        }
    }
}

@supports (animation-timeline: view()) {
    .panel,
    .catalog-card,
    .detail-card,
    .request-card,
    .user-card,
    .admin-card,
    .empty-state {
        animation: card-reveal linear both;
        animation-timeline: view(block);
        animation-range: entry 0% cover 28%;
    }
}

@media (max-width: 1180px) {
    .project-ribbon,
    .site-footer {
        grid-template-columns: 1fr;
    }

    .site-header {
        grid-template-columns: auto minmax(0, 1fr);
    }

    .main-nav {
        grid-column: 1 / -1;
        justify-content: flex-start;
        padding-top: 0.1rem;
    }
}

@media (max-width: 980px) {
    .site-shell {
        width: min(100%, calc(100% - 1rem));
    }

    .project-ribbon {
        padding: 0.95rem 1rem;
    }

    .site-header {
        grid-template-columns: minmax(0, 1fr) auto;
        padding: 0.85rem 0.9rem;
    }

    .main-nav,
    .header-tools {
        display: none;
    }

    .mobile-header-actions {
        display: flex;
        gap: 0.55rem;
        align-items: center;
        justify-content: flex-end;
    }

    .mobile-header-actions .header-link {
        min-height: 2.65rem;
        padding: 0 0.9rem;
        font-size: 0.9rem;
    }

    .mobile-nav-tray:popover-open {
        display: block;
        position: fixed;
        inset: calc(max(4.9rem, env(safe-area-inset-top) + 4rem)) 0.75rem auto auto;
    }

    .hero-grid,
    .home-hero-layout,
    .route-hero-grid,
    .page-grid-two,
    .detail-grid,
    .request-layout {
        grid-template-columns: 1fr;
    }

    .hero-visual-stack {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 720px) {
    .site-shell {
        width: min(100%, calc(100% - 0.75rem));
        padding-top: max(0.7rem, env(safe-area-inset-top));
    }

    .project-ribbon {
        gap: 0.85rem;
        padding: 0.9rem;
        border-radius: calc(var(--radius-lg) + 2px);
    }

    .project-ribbon-logo {
        justify-content: flex-start;
    }

    .project-ribbon-logo img {
        width: min(100%, 14rem);
    }

    .site-header {
        top: max(0.45rem, env(safe-area-inset-top));
        padding: 0.8rem;
        border-radius: calc(var(--radius-lg) + 2px);
    }

    .brand {
        gap: 0.72rem;
    }

    .brand-mark {
        width: 2.7rem;
        height: 2.7rem;
        border-radius: 0.9rem;
    }

    .brand-copy span {
        display: none;
    }

    .hero-panel h1,
    .detail-card h1 {
        font-size: clamp(2.1rem, 13vw, 3.35rem);
    }

    .hero-panel,
    .panel,
    .detail-card,
    .admin-card,
    .empty-state {
        padding: 1rem;
    }

    .catalog-card,
    .feature-card,
    .request-card,
    .user-card {
        padding: 0.95rem;
    }

    .notice-wrap {
        margin-top: 0.75rem;
    }

    .notice-bar {
        padding: 0.85rem 0.95rem;
        border-radius: 1rem;
        font-size: 0.9rem;
    }

    .panel-header,
    .detail-header,
    .split-heading,
    .catalog-card .card-top,
    .request-card .card-top,
    .user-card .card-top,
    .meta-list div {
        flex-direction: column;
        align-items: start;
    }

    .meta-list dd {
        text-align: left;
    }

    .card-grid,
    .card-grid.topics,
    .admin-grid,
    .metric-grid,
    .summary-grid,
    .home-metric-strip,
    .story-grid,
    .hero-visual-stack {
        grid-template-columns: 1fr;
    }

    .site-footer {
        padding: 1rem;
    }

    .footer-link-list {
        flex-direction: column;
        align-items: stretch;
    }

    .page-actions > .button,
    .page-actions > button,
    .form-actions > .button,
    .form-actions > button,
    .button-row > .button,
    .button-row > button,
    .request-actions > .button,
    .request-actions > button,
    .card-actions > .button,
    .card-actions > button,
    .mobile-nav-tools > .header-link,
    .mobile-nav-tools > button {
        width: 100%;
    }

    .mobile-header-actions .header-link {
        min-height: 2.55rem;
        padding: 0 0.82rem;
        font-size: 0.86rem;
    }

    .mobile-nav-tray:popover-open {
        inset: calc(max(4.6rem, env(safe-area-inset-top) + 3.6rem)) 0.375rem auto auto;
    }

    .mobile-nav-shell {
        width: min(calc(100vw - 0.75rem), 30rem);
        padding: 0.85rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .scroll-progress,
    .panel,
    .catalog-card,
    .detail-card,
    .request-card,
    .user-card,
    .admin-card,
    .empty-state,
    ::view-transition-old(root),
    ::view-transition-new(root) {
        animation: none !important;
    }

    .main-nav a,
    .header-link,
    .button,
    button,
    input,
    select,
    textarea,
    .text-link,
    .mobile-nav-list a,
    .mobile-nav-tray,
    .mobile-nav-tray::backdrop {
        transition: none !important;
    }
}

@keyframes scroll-progress {
    from {
        transform: scaleX(0);
    }

    to {
        transform: scaleX(1);
    }
}

@keyframes card-reveal {
    from {
        opacity: 0;
        transform: translateY(1rem);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes view-fade-in {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes view-fade-out {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
    }
}

@keyframes view-slide-in-right {
    from {
        transform: translateX(20px);
    }

    to {
        transform: translateX(0);
    }
}

@keyframes view-slide-out-left {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(-20px);
    }
}

@keyframes view-slide-in-left {
    from {
        transform: translateX(-20px);
    }

    to {
        transform: translateX(0);
    }
}

@keyframes view-slide-out-right {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(20px);
    }
}

@keyframes view-scale-up {
    from {
        transform: scale(0.985);
    }

    to {
        transform: scale(1);
    }
}

@keyframes view-scale-down {
    from {
        transform: scale(1.015);
    }

    to {
        transform: scale(1);
    }
}