:root {
    --bg-color: #f5fbff;
    --panel-bg: rgba(255, 255, 255, 0.88);
    --panel-strong: #ffffff;
    --text-color: #183b56;
    --muted-color: #5f7a8f;
    --accent-color: #2f80ed;
    --accent-soft: #dff1ff;
    --border-color: rgba(47, 128, 237, 0.16);
    --shadow: 0 18px 45px rgba(61, 108, 151, 0.12);
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    background:
        radial-gradient(circle at top left, rgba(123, 217, 255, 0.28), transparent 26%),
        radial-gradient(circle at top right, rgba(255, 214, 102, 0.22), transparent 28%),
        linear-gradient(180deg, #f8fdff 0%, #eef7fb 100%);
    color: var(--text-color);
    line-height: 1.75;
}

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

.site-nav {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.78);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.7);
}

.nav-brand {
    display: flex;
    flex-direction: column;
}

.brand-mark {
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: var(--accent-color);
}

.brand-subtitle {
    font-size: 0.88rem;
    color: var(--muted-color);
}

.nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.nav-links a {
    padding: 0.55rem 0.95rem;
    border-radius: 999px;
    color: var(--muted-color);
    text-decoration: none;
    transition: 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-color);
    background: rgba(47, 128, 237, 0.09);
}

main {
    max-width: 1180px;
    margin: 0 auto;
    padding: 2rem;
}

.module {
    display: none;
}

.module.active {
    display: block;
    animation: fadeIn 0.35s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.8fr);
    gap: 1.5rem;
    align-items: stretch;
    margin-bottom: 2rem;
}

.hero-copy,
.hero-panel,
.summary-card,
.principle-card,
.content-sidebar,
.detail-panel,
.modal-content {
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    box-shadow: var(--shadow);
}

.hero-copy {
    padding: 2rem;
}

.eyebrow {
    margin-bottom: 0.8rem;
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--accent-color);
}

h1,
h2,
h3 {
    line-height: 1.3;
}

h1 {
    font-size: clamp(2rem, 4vw, 3.4rem);
    margin-bottom: 1rem;
}

h2 {
    font-size: clamp(1.45rem, 2.5vw, 2.1rem);
    margin-bottom: 0.8rem;
}

h3 {
    font-size: 1.1rem;
    margin-bottom: 0.65rem;
}

.hero-text,
.modal-intro,
.content-meta p,
.summary-card p,
.principle-card p,
.detail-meta-label,
.entry-summary,
.contact-panel-tip {
    color: var(--muted-color);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-top: 1.5rem;
}

.primary-btn,
.secondary-btn,
.content-entry {
    border: 0;
    cursor: pointer;
}

.primary-btn,
.secondary-btn {
    padding: 0.9rem 1.3rem;
    border-radius: 999px;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.primary-btn {
    background: var(--accent-color);
    color: #fff;
    box-shadow: 0 10px 24px rgba(47, 128, 237, 0.28);
}

.secondary-btn {
    background: rgba(255, 255, 255, 0.9);
    color: var(--accent-color);
    border: 1px solid rgba(47, 128, 237, 0.18);
}

.primary-btn:hover,
.secondary-btn:hover {
    transform: translateY(-1px);
}

.hero-panel {
    display: grid;
    gap: 1rem;
    padding: 1rem;
}

.status-card {
    padding: 1.25rem;
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(255,255,255,0.92), rgba(235, 246, 255, 0.92));
}

.status-label {
    display: block;
    margin-bottom: 0.45rem;
    font-size: 0.85rem;
    color: var(--muted-color);
}

.status-card code,
.content-meta code {
    display: inline-block;
    margin-top: 0.3rem;
    padding: 0.14rem 0.4rem;
    border-radius: 8px;
    background: rgba(47, 128, 237, 0.08);
    color: var(--accent-color);
}

.summary-grid,
.principle-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
}

.summary-card,
.principle-card {
    padding: 1.5rem;
}

.summary-card.clickable {
    cursor: pointer;
}

.summary-card.clickable:hover {
    transform: translateY(-2px);
}

.section-heading {
    margin-bottom: 1.25rem;
}

.content-shell {
    display: grid;
    grid-template-columns: minmax(270px, 320px) minmax(0, 1fr);
    gap: 1.4rem;
    align-items: start;
}

.content-sidebar {
    position: sticky;
    top: 88px;
    overflow: hidden;
}

.content-meta {
    padding: 1.25rem 1.25rem 1rem;
    border-bottom: 1px solid rgba(47, 128, 237, 0.08);
}

.content-count {
    display: inline-block;
    margin-bottom: 0.6rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-color);
    font-size: 0.86rem;
    font-weight: 700;
}

.content-list {
    display: grid;
}

.content-entry {
    width: 100%;
    padding: 1rem 1.25rem;
    text-align: left;
    background: transparent;
    border-bottom: 1px solid rgba(47, 128, 237, 0.08);
    transition: background 0.2s ease;
}

.content-entry:hover,
.content-entry.active {
    background: rgba(47, 128, 237, 0.08);
}

.entry-date {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.82rem;
    color: var(--accent-color);
}

.content-entry strong {
    display: block;
    margin-bottom: 0.35rem;
    color: var(--text-color);
}

.detail-panel {
    min-height: 480px;
    padding: 1.6rem;
}

.detail-kicker {
    margin-bottom: 0.35rem;
    color: var(--accent-color);
    font-weight: 700;
}

.detail-meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.85rem;
    margin: 1.25rem 0 1.5rem;
}

.detail-meta-item {
    padding: 1rem;
    border-radius: 18px;
    background: #fff;
    border: 1px solid rgba(47, 128, 237, 0.08);
}

.detail-meta-label {
    display: block;
    margin-bottom: 0.25rem;
    font-size: 0.82rem;
}

.detail-extras {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
    margin-bottom: 1.35rem;
}

.detail-extra-card {
    padding: 1.15rem;
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(239, 247, 255, 0.98));
    border: 1px solid rgba(47, 128, 237, 0.1);
}

.detail-extra-eyebrow {
    margin-bottom: 0.35rem;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--accent-color);
}

.detail-extra-card h4 {
    margin-bottom: 0.9rem;
    font-size: 1rem;
}

.schedule-list {
    display: grid;
    gap: 0.75rem;
}

.schedule-item {
    padding: 0.85rem 0.9rem;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(47, 128, 237, 0.08);
}

.schedule-label {
    display: block;
    margin-bottom: 0.2rem;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--accent-color);
}

.schedule-item p,
.map-note {
    color: var(--muted-color);
}

.map-location-text {
    margin-bottom: 0.75rem;
    color: var(--text-color);
    font-weight: 600;
}

.map-embed-shell {
    overflow: hidden;
    border-radius: 18px;
    border: 1px solid rgba(47, 128, 237, 0.12);
    background: #fff;
}

.map-embed {
    width: 100%;
    height: 300px;
    border: 0;
    background: #fff;
}

.map-note {
    margin: 0.75rem 0 0.9rem;
}

.map-action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.map-link-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1rem;
    border-radius: 999px;
    background: rgba(47, 128, 237, 0.1);
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 700;
}

.map-expand-btn {
    border: 0;
}

.map-modal-content {
    width: min(100%, 960px);
}

.map-modal-shell {
    overflow: hidden;
    border-radius: 20px;
    border: 1px solid rgba(47, 128, 237, 0.12);
    background: #fff;
    margin-bottom: 1rem;
}

.map-embed-large {
    height: min(70vh, 640px);
}

.detail-body p,
.detail-body ul,
.detail-body blockquote,
.detail-figure {
    margin-bottom: 1rem;
}

.detail-body ul {
    padding-left: 1.2rem;
}

.detail-body h2,
.detail-body h3,
.detail-body h4 {
    margin: 1.35rem 0 0.7rem;
}

.detail-body a {
    color: var(--accent-color);
}

.detail-body code {
    padding: 0.12rem 0.4rem;
    border-radius: 7px;
    background: rgba(47, 128, 237, 0.1);
    color: var(--accent-color);
}

.detail-body blockquote {
    padding: 0.95rem 1rem;
    border-left: 4px solid var(--accent-color);
    background: rgba(47, 128, 237, 0.06);
    border-radius: 0 12px 12px 0;
}

.detail-figure {
    overflow: hidden;
    border-radius: 22px;
    background: #fff;
    border: 1px solid rgba(47, 128, 237, 0.12);
}

.detail-figure-image,
.detail-inline-image,
.contact-qr-image {
    display: block;
    max-width: 100%;
}

.detail-figure-image {
    width: 100%;
    background: linear-gradient(180deg, #f4fbff, #edf6ff);
}

.detail-figure figcaption {
    padding: 0.9rem 1rem 1rem;
    color: var(--muted-color);
    font-size: 0.92rem;
}

.content-empty,
.detail-loading {
    padding: 1.25rem;
    color: var(--muted-color);
}

.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 50;
    background: rgba(17, 40, 62, 0.36);
    overflow-y: auto;
    padding: 2rem 1rem;
}

.modal-content {
    width: min(100%, 560px);
    max-height: calc(100dvh - 4rem);
    margin: 0 auto;
    padding: 2rem;
    overflow-y: auto;
}

.close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 2.2rem;
    height: 2.2rem;
    border-radius: 50%;
    display: grid;
    place-items: center;
    cursor: pointer;
    color: var(--muted-color);
    background: rgba(47, 128, 237, 0.08);
}

.form-group {
    margin-bottom: 1rem;
}

label {
    display: block;
    margin-bottom: 0.45rem;
    font-weight: 600;
}

input,
select,
textarea {
    width: 100%;
    padding: 0.9rem 1rem;
    border-radius: 16px;
    border: 1px solid rgba(47, 128, 237, 0.16);
    background: #fff;
    color: var(--text-color);
}

textarea {
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    outline: 2px solid rgba(47, 128, 237, 0.16);
    border-color: var(--accent-color);
}

.submit-btn {
    width: 100%;
    margin-top: 0.4rem;
}

.contact-panel {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(47, 128, 237, 0.12);
    text-align: center;
}

.contact-panel-title {
    color: var(--muted-color);
    margin-bottom: 0.35rem;
}

.contact-panel-id {
    margin-bottom: 0.9rem;
    font-weight: 700;
    color: var(--text-color);
}

.contact-qr-image {
    width: min(100%, 220px);
    margin: 0 auto 0.9rem;
    border-radius: 18px;
    border: 8px solid #fff;
    box-shadow: var(--shadow);
}

@media (max-width: 920px) {
    .hero,
    .content-shell,
    .summary-grid,
    .principle-grid {
        grid-template-columns: 1fr;
    }

    .content-sidebar {
        position: static;
    }
}

@media (max-width: 680px) {
    .site-nav {
        padding: 1rem;
        align-items: flex-start;
        flex-direction: column;
    }

    main {
        padding: 1.2rem;
    }

    .hero-copy,
    .hero-panel,
    .summary-card,
    .principle-card,
    .detail-panel,
    .modal-content {
        padding: 1.25rem;
    }
}