@import url('/loading.css?v=20261103-fun');
@import url('/site-ui.css?v=20261103-fun');
@import url('/site-polish.css?v=20261103-fun');

:root {
    --page: #f4f4ef;
    --surface: #ffffff;
    --surface-soft: #e9e9e2;
    --ink: #11131a;
    --muted: #656771;
    --line: rgba(17, 19, 26, 0.12);
    --accent: #5551ff;
    --accent-dark: #3935d9;
    --accent-soft: #dedcff;
    --mint: #c9f2df;
    --shadow: 0 24px 60px rgba(23, 24, 34, 0.11);
    --radius-sm: 14px;
    --radius-md: 22px;
    --radius-lg: 34px;
    --max-width: 1180px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    margin: 0;
    background: var(--page);
    color: var(--ink);
    font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

body::before {
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(circle at 14% 8%, rgba(85, 81, 255, 0.1), transparent 30%),
        radial-gradient(circle at 88% 34%, rgba(201, 242, 223, 0.34), transparent 26%);
    content: "";
    pointer-events: none;
}


a {
    color: inherit;
}

button,
input {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

img {
    max-width: 100%;
}

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

.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 2000;
    padding: 10px 14px;
    border-radius: 10px;
    background: var(--ink);
    color: white;
    text-decoration: none;
    transform: translateY(-160%);
    transition: transform 180ms ease;
}

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

.section-shell {
    width: min(calc(100% - 48px), var(--max-width));
    margin-inline: auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 18px 24px 0;
}

.nav-shell {
    position: relative;
    display: flex;
    width: min(100%, var(--max-width));
    min-height: 66px;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px 10px 16px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    margin-inline: auto;
    background: rgba(255, 255, 255, 0.78);
    box-shadow: 0 12px 36px rgba(31, 32, 43, 0.08);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    color: var(--ink);
    font-size: 0.94rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    text-decoration: none;
}

.brand-mark {
    display: inline-grid;
    width: 38px;
    height: 38px;
    flex: 0 0 auto;
    place-items: center;
    border-radius: 12px;
    background: var(--ink);
    color: white;
    font-size: 0.77rem;
    font-weight: 700;
    letter-spacing: -0.04em;
}

.nav-panel,
.nav-dropdown-row {
    display: flex;
    align-items: center;
}

.nav-panel {
    gap: 4px;
}

.nav-link {
    position: relative;
    display: inline-flex;
    min-height: 42px;
    align-items: center;
    padding: 8px 14px;
    border-radius: 12px;
    color: var(--muted);
    font-size: 0.88rem;
    font-weight: 500;
    text-decoration: none;
    transition: background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link.active {
    background: var(--surface-soft);
    color: var(--ink);
}

.nav-link:active {
    transform: scale(0.97);
}

.nav-dropdown {
    position: relative;
}

.nav-dropdown-row {
    gap: 0;
    border-radius: 12px;
    transition: background-color 180ms ease;
}

.nav-dropdown-row:hover,
.nav-dropdown-row:focus-within,
.nav-dropdown.is-open .nav-dropdown-row {
    background: var(--surface-soft);
}

.dropdown-toggle {
    display: inline-flex;
    width: auto;
    min-height: 42px;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 8px 14px;
    border: 0;
    border-radius: 12px;
    margin-left: 0;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    font-size: 0.88rem;
    font-weight: 500;
    transition: background-color 180ms ease, color 180ms ease;
}

.dropdown-toggle:hover,
.dropdown-toggle:focus-visible {
    background: var(--surface-soft);
    color: var(--ink);
}

.dropdown-toggle.active {
    background: var(--surface-soft);
    color: var(--ink);
}

.dropdown-toggle svg {
    width: 16px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.7;
    transition: transform 180ms ease;
}

.nav-dropdown.is-open .dropdown-toggle svg,
.dropdown-toggle[aria-expanded="true"] svg {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 14px);
    right: 0;
    display: grid;
    width: 270px;
    padding: 9px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px) scale(0.98);
    transform-origin: top right;
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms;
    visibility: hidden;
}

.dropdown-menu::before {
    position: absolute;
    right: 0;
    bottom: 100%;
    left: 0;
    height: 16px;
    content: "";
}

.dropdown-menu a {
    display: grid;
    gap: 1px;
    padding: 10px 12px;
    border-radius: 12px;
    text-decoration: none;
    transition: background-color 160ms ease, transform 160ms ease;
}

.dropdown-menu a:hover,
.dropdown-menu a:focus-visible {
    background: var(--accent-soft);
    transform: translateX(2px);
}

.dropdown-menu strong {
    font-size: 0.86rem;
    font-weight: 600;
}

.dropdown-menu span {
    color: var(--muted);
    font-size: 0.72rem;
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu,
.nav-dropdown.is-open .dropdown-menu {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
    visibility: visible;
}

.site-language-switcher {
    position: relative;
    display: flex;
    width: 44px;
    height: 44px;
    align-items: center;
    gap: 2px;
    padding: 1px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.48);
    overflow: hidden;
    flex: 0 0 auto;
    transition: width 220ms ease, background-color 160ms ease, box-shadow 160ms ease;
}

.site-language-switcher.is-open {
    width: 360px;
    background: rgba(255, 255, 255, 0.72);
    box-shadow: 0 10px 26px rgba(23, 24, 34, 0.08);
}

.language-switcher-toggle {
    display: inline-flex;
    width: 40px;
    height: 40px;
    flex: 0 0 40px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: var(--ink);
    cursor: pointer;
    font-size: 0.86rem;
    font-weight: 600;
    transition: background-color 160ms ease, color 160ms ease, width 220ms ease, flex-basis 220ms ease;
}

.language-switcher-toggle:hover,
.language-switcher-toggle:focus-visible,
.site-language-switcher.is-open .language-switcher-toggle {
    background: var(--ink);
    color: white;
}

.language-switcher-chevron {
    width: 7px;
    height: 7px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    display: none;
    transform: translateY(-2px) rotate(45deg);
    transition: transform 180ms ease;
}

.language-current-full {
    display: none;
}

.language-options {
    display: flex;
    min-width: 0;
    flex: 1 1 auto;
    align-items: center;
    gap: 10px;
    padding: 0 6px 0 8px;
    opacity: 0;
    pointer-events: none;
    transform: translateX(8px);
    transition: opacity 160ms ease, transform 180ms ease, visibility 160ms ease;
    visibility: hidden;
}

.site-language-switcher.is-open .language-options {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0);
    visibility: visible;
}

.language-options a,
.language-options .language-option-unavailable {
    display: flex;
    flex: 1 1 0;
    min-width: 0;
    min-height: 40px;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 0 10px;
    border-radius: 999px;
    color: var(--muted);
    font-size: 0.86rem;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    transition: background-color 160ms ease, color 160ms ease;
}

.language-options a[lang="en"] {
    flex-grow: 1.2;
}

.language-options a[lang="zh-CN"],
.language-options a[lang="zh-HK"],
.language-options .language-option-unavailable[data-language-code="zh-CN"],
.language-options .language-option-unavailable[data-language-code="zh-HK"] {
    flex-grow: 0.9;
}

.language-options .language-option-unavailable {
    position: relative;
    color: var(--muted);
    cursor: not-allowed;
    opacity: 0.62;
}

.site-language-switcher.is-english-only {
    overflow: visible;
}

.site-language-switcher.has-unavailable { overflow: visible; }
.site-language-switcher.has-unavailable:not(.is-open) .language-options { overflow: clip; }
.site-language-switcher.has-unavailable.is-open .language-options { overflow: visible; }
.site-language-switcher.has-unavailable .language-option-unavailable:last-child::after { left: auto; right: 0; transform: translateY(-4px); }
.site-language-switcher.has-unavailable .language-option-unavailable:last-child:hover::after,
.site-language-switcher.has-unavailable .language-option-unavailable:last-child:focus-visible::after { transform: translateY(0); }
.language-option-unavailable:focus-visible { outline: 2px solid var(--accent-soft); outline-offset: 2px; }

@media (min-width: 1101px) {
    .site-language-switcher.is-english-only:not(.is-open):hover,
    .site-language-switcher.is-english-only:not(.is-open):focus-within {
        width: 84px;
    }

    .site-language-switcher.is-english-only:not(.is-open):hover .language-switcher-toggle,
    .site-language-switcher.is-english-only:not(.is-open):focus-within .language-switcher-toggle {
        width: 80px;
        flex-basis: 80px;
    }

    .site-language-switcher.is-english-only:not(.is-open):hover .language-current-full,
    .site-language-switcher.is-english-only:not(.is-open):focus-within .language-current-full {
        display: inline;
    }

    .site-language-switcher.is-english-only:not(.is-open):hover .language-current-short,
    .site-language-switcher.is-english-only:not(.is-open):focus-within .language-current-short {
        display: none;
    }
}

.language-options .language-option-unavailable::after {
    position: absolute;
    z-index: 20;
    top: calc(100% + 9px);
    left: 50%;
    width: max-content;
    max-width: 220px;
    padding: 8px 10px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--ink);
    box-shadow: 0 10px 22px rgba(23, 24, 34, 0.14);
    color: white;
    content: attr(data-tooltip);
    font-size: 0.68rem;
    font-weight: 500;
    line-height: 1.35;
    opacity: 0;
    pointer-events: none;
    text-align: center;
    transform: translate(-50%, -4px);
    transition: opacity 160ms ease, transform 160ms ease;
    visibility: hidden;
    white-space: normal;
}

.language-options .language-option-unavailable:hover::after,
.language-options .language-option-unavailable:focus-visible::after {
    opacity: 1;
    transform: translate(-50%, 0);
    visibility: visible;
}

.language-options a:hover,
.language-options a:focus-visible,
.language-options a.active {
    background: var(--surface-soft);
    color: var(--ink);
}

.language-options a.active::after {
    color: var(--accent);
    content: "●";
    font-size: 0.5rem;
}

.nav-toggle {
    display: none;
    min-height: 42px;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border: 0;
    border-radius: 12px;
    background: var(--surface-soft);
    color: var(--ink);
    cursor: pointer;
    font-size: 0.82rem;
    font-weight: 600;
}

.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
    display: block;
    width: 17px;
    height: 1.5px;
    border-radius: 99px;
    background: currentColor;
    content: "";
    transition: transform 180ms ease, opacity 180ms ease;
}

.nav-toggle-icon {
    position: relative;
}

.nav-toggle-icon::before {
    position: absolute;
    transform: translateY(-5px);
}

.nav-toggle-icon::after {
    position: absolute;
    transform: translateY(5px);
}

.nav-shell.is-open .nav-toggle-icon {
    background: transparent;
}

.nav-shell.is-open .nav-toggle-icon::before {
    transform: rotate(45deg);
}

.nav-shell.is-open .nav-toggle-icon::after {
    transform: rotate(-45deg);
}

.hero {
    display: grid;
    min-height: calc(100vh - 104px);
    grid-template-columns: minmax(0, 1.04fr) minmax(420px, 0.96fr);
    align-items: center;
    gap: clamp(44px, 8vw, 100px);
    padding-block: clamp(84px, 11vw, 144px);
}

.hero-copy > *,
.hero-panel {
    animation: rise-in 680ms cubic-bezier(0.22, 1, 0.36, 1) both;
    animation-delay: var(--delay, 0ms);
}

.eyebrow {
    margin: 0 0 18px;
    color: var(--accent-dark);
    font-size: 0.73rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.hero h1 {
    max-width: 720px;
    margin: 0;
    font-size: clamp(3.6rem, 7vw, 6.8rem);
    font-weight: 500;
    letter-spacing: -0.075em;
    line-height: 0.93;
}

.hero h1 span {
    color: var(--muted);
}

.hero-intro {
    max-width: 640px;
    margin: 34px 0 0;
    color: var(--muted);
    font-size: clamp(1.02rem, 1.5vw, 1.16rem);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
}

.button {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 12px 19px;
    border: 1px solid transparent;
    border-radius: 15px;
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-2px);
}

.button:active {
    transform: translateY(0) scale(0.98);
}

.button-primary {
    background: var(--accent);
    box-shadow: 0 12px 24px rgba(85, 81, 255, 0.22);
    color: white;
}

.site-disabled-control { display: inline-grid; position: relative; max-width: 100%; min-width: 0; vertical-align: middle; cursor: not-allowed; }
.site-disabled-control > [data-disabled-hint] { margin: 0 !important; pointer-events: none; }
.site-disabled-control:focus-visible { outline: 3px solid var(--accent-soft); outline-offset: 3px; border-radius: var(--radius-sm); }
.site-disabled-control > [data-tooltip]::after { display: none !important; }
.site-disabled-tooltip { position: fixed; inset: auto; z-index: 2500; width: max-content; max-width: min(320px, calc(100vw - 16px)); margin: 0; padding: 10px 13px; border: 1px solid rgba(255,255,255,.15); border-radius: 12px; background: #171923; color: #fff; box-shadow: 0 10px 28px rgba(17,19,26,.16); font: 400 .75rem/1.55 Poppins,system-ui,sans-serif; overflow-wrap: anywhere; pointer-events: none; animation: site-card-enter 160ms ease both; }
.site-disabled-tooltip[hidden] { display: none !important; }
@media (prefers-reduced-motion: reduce) { .site-disabled-tooltip { animation: none; } }

.button-primary:hover,
.button-primary:focus-visible {
    background: var(--accent-dark);
    box-shadow: 0 16px 30px rgba(85, 81, 255, 0.28);
}

.button-secondary {
    border-color: var(--line);
    background: rgba(255, 255, 255, 0.6);
}

.button-secondary:hover,
.button-secondary:focus-visible {
    border-color: rgba(17, 19, 26, 0.22);
    background: white;
}

.hero-panel {
    position: relative;
    overflow: hidden;
    min-height: 480px;
    padding: 20px;
    border-radius: var(--radius-lg);
    background: var(--ink);
    box-shadow: 0 34px 80px rgba(17, 19, 26, 0.2);
    color: white;
}

.panel-heading {
    display: flex;
    justify-content: space-between;
    padding: 6px 6px 22px;
    color: rgba(255, 255, 255, 0.48);
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.panel-item {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 34px 1fr auto;
    align-items: center;
    gap: 14px;
    padding: 18px 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 14px;
    text-decoration: none;
    transition: background-color 180ms ease, transform 180ms ease;
}

.panel-item:hover,
.panel-item:focus-visible {
    background: rgba(255, 255, 255, 0.09);
    transform: translateX(4px);
}

.panel-index {
    color: rgba(255, 255, 255, 0.42);
    font-size: 0.72rem;
}

.panel-item > span:nth-child(2) {
    display: grid;
}

.panel-item strong {
    font-size: 0.93rem;
    font-weight: 500;
}

.panel-item small {
    color: rgba(255, 255, 255, 0.48);
    font-size: 0.72rem;
}

.panel-arrow {
    display: grid;
    width: 32px;
    height: 32px;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 50%;
}

.panel-orbit {
    position: absolute;
    right: -76px;
    bottom: -118px;
    width: 330px;
    height: 330px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.panel-orbit::before,
.panel-orbit::after {
    position: absolute;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    content: "";
}

.panel-orbit::before {
    inset: 52px;
}

.panel-orbit::after {
    inset: 108px;
    background: var(--accent);
    box-shadow: 0 0 54px rgba(85, 81, 255, 0.7);
}

.panel-orbit span {
    position: absolute;
    width: 11px;
    height: 11px;
    border: 2px solid var(--ink);
    border-radius: 50%;
    background: var(--mint);
    box-shadow: 0 0 0 5px rgba(201, 242, 223, 0.12);
}

.panel-orbit span:nth-child(1) {
    top: 32px;
    left: 72px;
}

.panel-orbit span:nth-child(2) {
    top: 124px;
    left: 36px;
}

.panel-orbit span:nth-child(3) {
    top: 182px;
    right: 43px;
}

.collection-section,
.about-section {
    padding-block: clamp(86px, 11vw, 140px);
    border-top: 1px solid var(--line);
}

.section-heading {
    display: grid;
    grid-template-columns: 1fr minmax(280px, 0.48fr);
    align-items: end;
    gap: 50px;
    margin-bottom: 48px;
}

.section-heading h2,
.about-grid h2,
.page-hero h1 {
    margin: 0;
    font-size: clamp(2.5rem, 5vw, 4.6rem);
    font-weight: 500;
    letter-spacing: -0.06em;
    line-height: 1;
}

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

.collection-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.collection-card {
    position: relative;
    display: flex;
    overflow: hidden;
    min-height: 440px;
    flex-direction: column;
    justify-content: space-between;
    padding: clamp(26px, 4vw, 42px);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: border-color 220ms ease, box-shadow 220ms ease, transform 220ms ease;
}

.collection-card::after {
    position: absolute;
    right: -80px;
    bottom: -80px;
    width: 250px;
    height: 250px;
    border: 1px solid rgba(17, 19, 26, 0.12);
    border-radius: 50%;
    content: "";
    transition: transform 500ms cubic-bezier(0.22, 1, 0.36, 1);
}

.collection-card:hover,
.collection-card:focus-visible {
    border-color: rgba(17, 19, 26, 0.22);
    box-shadow: var(--shadow);
    transform: translateY(-6px);
}

.collection-card:hover::after,
.collection-card:focus-visible::after {
    transform: scale(1.18);
}

.collection-learning {
    background: var(--accent-soft);
}

.collection-aviation {
    background: var(--mint);
}

.collection-efb {
    grid-column: 1 / -1;
    min-height: 370px;
    background: var(--ink);
    color: white;
}

.collection-efb::after {
    border-color: rgba(255, 255, 255, 0.16);
}

.collection-efb .card-kicker {
    color: rgba(255, 255, 255, 0.64);
}

.collection-efb .card-link {
    color: white;
}

.card-number {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
}

.card-kicker {
    margin: 0 0 10px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.collection-card h3 {
    margin: 0 0 16px;
    font-size: clamp(2.4rem, 4vw, 4rem);
    font-weight: 500;
    letter-spacing: -0.06em;
    line-height: 1;
}

.collection-card p:not(.card-kicker) {
    max-width: 420px;
    margin: 0;
    color: rgba(17, 19, 26, 0.66);
}

.collection-card.collection-efb p:not(.card-kicker) {
    color: rgba(255, 255, 255, 0.64);
}

.card-link {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.86rem;
    font-weight: 600;
}

.about-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.65fr);
    gap: clamp(50px, 10vw, 130px);
}

.about-grid div {
    display: grid;
    align-content: end;
    gap: 18px;
}

.page-main {
    min-height: calc(100vh - 104px);
    padding-block: 70px 100px;
}

.breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: 32px;
    color: var(--muted);
    font-size: 0.76rem;
}

.breadcrumbs a {
    text-decoration: none;
}

.breadcrumbs a:hover {
    color: var(--ink);
}

.breadcrumbs span[aria-hidden="true"] {
    color: rgba(17, 19, 26, 0.28);
}

.page-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.4fr);
    align-items: end;
    gap: 48px;
    padding-bottom: 54px;
    border-bottom: 1px solid var(--line);
}

.page-hero-copy > p:last-child {
    max-width: 700px;
    margin: 24px 0 0;
    color: var(--muted);
    font-size: 1.04rem;
}

.page-meta {
    display: grid;
    gap: 12px;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.58);
}

.page-meta-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    font-size: 0.78rem;
}

.page-meta-row span:first-child {
    color: var(--muted);
}

.resource-section {
    padding-top: 54px;
}

.resource-section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 24px;
}

.resource-section-heading h2 {
    margin: 0;
    font-size: clamp(1.65rem, 3vw, 2.5rem);
    font-weight: 500;
    letter-spacing: -0.04em;
}

.resource-section-heading p {
    margin: 0;
    color: var(--muted);
    font-size: 0.82rem;
}

.resource-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.resource-card {
    position: relative;
    display: flex;
    min-height: 280px;
    flex-direction: column;
    justify-content: space-between;
    padding: 25px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.66);
    text-decoration: none;
    transition: background-color 180ms ease, border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
    animation: site-card-enter 420ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.resource-grid > .resource-card:nth-child(2) { animation-delay: 40ms; }
.resource-grid > .resource-card:nth-child(3) { animation-delay: 80ms; }
.resource-grid > .resource-card:nth-child(4) { animation-delay: 120ms; }

@keyframes site-card-enter {
    from { opacity: 0; transform: translateY(12px) scale(0.985); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

a.resource-card:hover,
a.resource-card:focus-visible {
    border-color: rgba(85, 81, 255, 0.35);
    background: white;
    box-shadow: 0 18px 46px rgba(29, 31, 43, 0.09);
    transform: translateY(-4px);
}

.resource-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
}

.resource-icon {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border-radius: 13px;
    background: var(--accent-soft);
    color: var(--accent-dark);
    padding: 0 4px;
    overflow: hidden;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1;
    white-space: nowrap;
}

.resource-state {
    padding: 5px 9px;
    border-radius: 999px;
    background: var(--surface-soft);
    color: var(--muted);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.resource-card h3 {
    margin: 0 0 8px;
    font-size: 1.42rem;
    font-weight: 500;
    letter-spacing: -0.04em;
}

.resource-card p {
    margin: 0;
    color: var(--muted);
    font-size: 0.86rem;
}

.resource-card-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding-top: 24px;
    color: var(--muted);
    font-size: 0.76rem;
}

.resource-card-bottom strong {
    color: var(--ink);
    font-weight: 600;
}

.empty-state {
    display: grid;
    min-height: 300px;
    place-items: center;
    padding: 40px;
    border: 1px dashed rgba(17, 19, 26, 0.22);
    border-radius: var(--radius-md);
    color: var(--muted);
    text-align: center;
}

.empty-state div {
    max-width: 440px;
}

.empty-state span {
    display: inline-grid;
    width: 48px;
    height: 48px;
    place-items: center;
    border-radius: 50%;
    margin-bottom: 14px;
    background: var(--surface-soft);
    color: var(--ink);
}

.empty-state h2 {
    margin: 0 0 8px;
    color: var(--ink);
    font-size: 1.45rem;
    font-weight: 500;
    letter-spacing: -0.03em;
}

.empty-state p {
    margin: 0;
}

.access-heading {
    padding-bottom: 32px;
}

.access-card {
    display: grid;
    grid-template-columns: minmax(180px, 0.44fr) minmax(0, 1fr);
    gap: clamp(30px, 7vw, 92px);
    padding: clamp(26px, 5vw, 52px);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.66);
    box-shadow: var(--shadow);
}

.access-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: clamp(28px, 5vw, 58px);
}

.access-card-copy {
    max-width: 560px;
}

.access-card-copy h2 {
    margin: 0 0 10px;
    font-size: clamp(1.55rem, 3vw, 2.35rem);
    font-weight: 500;
    letter-spacing: -0.05em;
    line-height: 1;
}

.access-card-copy > p {
    margin: 0;
    margin-top: 15px;
    color: var(--muted);
}

.access-warning,
.access-error {
    font-weight: 600;
}

.access-warning {
    display: inline-flex;
    width: 100%;
    max-width: 100%;
    align-items: center;
    gap: 10px;
    padding: 11px 12px;
    border: 1px solid rgba(17, 19, 26, 0.1);
    border-radius: 12px;
    margin: 0 0 10px;
    background: rgba(17, 19, 26, 0.035);
    color: var(--muted) !important;
    font-size: 0.78rem;
    font-weight: 500;
    line-height: 1.45;
}

.access-warning::before {
    display: inline-grid;
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
    place-items: center;
    border-radius: 50%;
    border: 1px solid rgba(85, 81, 255, 0.22);
    background: rgba(85, 81, 255, 0.1);
    color: var(--accent);
    content: "!";
    font-size: 0.68rem;
    font-weight: 700;
    line-height: 1;
}

.access-error {
    margin: 18px 0 0 !important;
    color: var(--accent-dark) !important;
}

.access-form {
    display: grid;
    align-content: center;
    gap: 10px;
}

.access-form label {
    color: var(--ink);
    font-size: 0.78rem;
    font-weight: 600;
}

.access-form input {
    width: 100%;
    min-height: 50px;
    padding: 12px 15px;
    border: 1px solid rgba(17, 19, 26, 0.18);
    border-radius: 15px;
    outline: 0;
    background: rgba(255, 255, 255, 0.82);
    color: var(--ink);
    transition: border-color 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.access-form input:hover {
    border-color: rgba(17, 19, 26, 0.3);
    background: white;
}

.access-form input:focus {
    border-color: var(--accent);
    background: white;
    box-shadow: 0 0 0 4px rgba(85, 81, 255, 0.14);
}

.access-submit {
    width: 100%;
    margin-top: 8px;
}

@keyframes rise-in {
    from {
        opacity: 0;
        transform: translateY(22px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes site-dialog-enter {
    from { opacity: 0; transform: translateY(18px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes site-dialog-leave {
    to { opacity: 0; transform: translateY(10px) scale(0.97); }
}

@keyframes site-dialog-backdrop-enter {
    from { background: rgba(17, 19, 26, 0); backdrop-filter: blur(0); }
}

@keyframes site-dialog-backdrop-leave {
    from { opacity: 1; }
    to { opacity: 0; }
}

@media (max-width: 960px) {
    .hero {
        min-height: auto;
        grid-template-columns: 1fr;
    }

    .hero-copy {
        padding-top: 30px;
    }

    .hero-panel {
        min-height: 430px;
    }

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

@media (max-width: 1100px) {
    .nav-toggle {
        display: inline-flex;
    }

    .nav-panel {
        position: absolute;
        top: calc(100% + 8px);
        right: 0;
        left: 0;
        display: grid;
        max-height: 0;
        gap: 3px;
        padding: 0 8px;
        border: 1px solid transparent;
        border-radius: 18px;
        background: rgba(255, 255, 255, 0.98);
        box-shadow: var(--shadow);
        opacity: 0;
        overflow: hidden;
        pointer-events: none;
        transform: translateY(-8px);
        transition: max-height 260ms ease, opacity 180ms ease, padding 260ms ease, transform 180ms ease, border-color 180ms ease;
    }

    .nav-shell.is-open .nav-panel {
        max-height: 620px;
        padding: 8px;
        border-color: var(--line);
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .nav-link {
        width: 100%;
        justify-content: flex-start;
        padding-inline: 13px;
    }

    .nav-panel .site-language-switcher {
        display: grid;
        width: 100%;
        height: auto;
        min-height: 38px;
        align-self: stretch;
        padding: 3px;
        border-radius: 14px;
        margin-top: 6px;
        overflow: visible;
    }

    .nav-panel .site-language-switcher.is-open {
        width: 100%;
    }

    .nav-panel .language-switcher-toggle {
        width: 100%;
        height: 32px;
        flex-basis: auto;
        justify-content: space-between;
        padding: 0 13px;
        border-radius: 10px;
    }

    .nav-panel .language-current-full {
        display: inline;
    }

    .language-current-short,
    .nav-panel .site-language-switcher.is-open .language-current-short {
        display: none;
    }

    .language-switcher-chevron,
    .nav-panel .site-language-switcher.is-open .language-switcher-chevron {
        display: block;
    }

    .nav-panel .language-options {
        display: grid;
        width: 100%;
        min-width: 0;
        max-height: 0;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 6px;
        padding-inline: 0;
        padding-block: 0;
        overflow: hidden;
        transform: none;
        transform-origin: center;
        transition: max-height 200ms ease, opacity 160ms ease, padding 200ms ease, visibility 160ms ease;
    }

    .nav-panel .site-language-switcher.is-open .language-options {
        max-height: 136px;
        padding-block: 6px;
        margin-top: 6px;
        transform: none;
    }

    .nav-dropdown-row {
        display: block;
    }

    .dropdown-toggle {
        width: 100%;
        margin: 0;
    }

    .dropdown-menu {
        position: static;
        display: none;
        width: 100%;
        padding: 6px;
        border: 0;
        border-radius: 14px;
        margin-top: 3px;
        background: var(--page);
        box-shadow: none;
        opacity: 1;
        pointer-events: auto;
        transform: none;
        visibility: visible;
    }

    .nav-dropdown:hover .dropdown-menu,
    .nav-dropdown:focus-within .dropdown-menu {
        display: none;
    }

    .nav-dropdown.is-open .dropdown-menu,
    .nav-dropdown.is-open:hover .dropdown-menu,
    .nav-dropdown.is-open:focus-within .dropdown-menu {
        display: grid;
    }
}

@media (max-width: 760px) {
    .section-shell {
        width: min(calc(100% - 32px), var(--max-width));
    }

    .site-header {
        padding: 10px 12px 0;
    }

    .nav-shell {
        min-height: 60px;
        border-radius: 17px;
    }


    .hero {
        gap: 56px;
        padding-block: 72px 90px;
    }

    .hero h1 {
        font-size: clamp(3.25rem, 15vw, 5.4rem);
    }

    .hero-panel {
        min-height: 390px;
        padding: 15px;
        border-radius: 26px;
    }

    .panel-heading {
        padding-inline: 8px;
    }

    .panel-item {
        grid-template-columns: 26px 1fr auto;
        gap: 9px;
        padding-inline: 9px;
    }

    .section-heading,
    .about-grid,
    .page-hero,
    .access-card {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .collection-grid,
    .resource-grid {
        grid-template-columns: 1fr;
    }

    .collection-card {
        min-height: 390px;
    }

    .resource-section-heading {
        align-items: flex-start;
        flex-direction: column;
    }

    .page-main {
        padding-block: 60px 86px;
    }

    .page-hero {
        padding-bottom: 38px;
    }
}

@media (max-width: 420px) {
    .brand > span:last-child {
        display: none;
    }

    .hero-actions,
    .hero-actions .button {
        width: 100%;
    }

    .hero-panel {
        min-height: 370px;
    }
}

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

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}