:root {
    --bg: #edf0ea;
    --bg-warm: #f5f1e8;
    --bg-cool: #e8eef5;
    --surface: #fcfdf9;
    --text: #243028;
    --text-muted: #5a665c;
    --accent: #3a6b4a;
    --accent-dark: #2d5238;
    --accent-soft: #dce8df;
    --teal: #2a7a7a;
    --teal-soft: #d5ecec;
    --blue: #4a6fa5;
    --blue-soft: #dde8f4;
    --lavender: #6b5b8a;
    --lavender-soft: #e8e2f0;
    --amber: #9a7340;
    --amber-soft: #f0e8d5;
    --border: #c8d4cb;
    --shadow: 0 2px 12px rgba(36, 48, 40, 0.07);
    --radius: 8px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Source Sans 3", Helvetica, Arial, sans-serif;
    font-size: 1.05rem;
    line-height: 1.65;
    color: var(--text);
    background:
        radial-gradient(ellipse 70% 55% at 0% 0%, rgba(143, 168, 224, 0.14), transparent 55%),
        radial-gradient(ellipse 60% 45% at 100% 8%, rgba(94, 184, 212, 0.12), transparent 50%),
        radial-gradient(ellipse 75% 50% at 85% 100%, rgba(107, 91, 138, 0.08), transparent 55%),
        radial-gradient(ellipse 80% 60% at 15% 90%, rgba(79, 168, 118, 0.1), transparent 50%),
        linear-gradient(160deg, var(--bg-warm) 0%, var(--bg) 45%, var(--bg-cool) 100%);
    min-height: 100vh;
}

.page {
    max-width: 52rem;
    margin: 0 auto;
    padding: 2.25rem 1.5rem 4rem;
    container-type: inline-size;
    container-name: page;
}

.page:has(.page-intro #upcoming-event:not([hidden])) {
    max-width: 66rem;
}

.page-intro {
    margin-bottom: 2rem;
    padding-bottom: 1.75rem;
    border-bottom: 1px solid var(--border);
}

.page-intro:has(#upcoming-event:not([hidden])) {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: start;
}

@container page (min-width: 58rem) {
    .page-intro:has(#upcoming-event:not([hidden])) {
        grid-template-columns: minmax(0, 1fr) minmax(24rem, 30rem);
        gap: 3.75rem;
    }
}

.page-intro #upcoming-event:not([hidden]) {
    display: block;
}

.page-intro .event-card--upcoming {
    margin-bottom: 0;
    padding: 1.4rem;
}

.page-intro .event-title {
    font-size: 1.15rem;
}

.event-actions {
    margin-top: 1.1rem;
    padding-top: 1.1rem;
    border-top: 1px solid var(--border);
}

.event-actions .cta-row {
    margin-bottom: 0;
}

.event-actions .btn {
    flex: 1 1 8.5rem;
    padding: 0.6rem 0.85rem;
    font-size: 0.9rem;
}

.page-intro .speaker-list {
    margin-top: 0.75rem;
    gap: 0.4rem;
}

.page-intro .speaker-list li {
    padding: 0.5rem 0.65rem;
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2.25rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.35rem 0.8rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 0.84rem;
    font-weight: 500;
    color: var(--text-muted);
    text-decoration: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.badge:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow);
    text-decoration: none;
    color: var(--text-muted);
}

.badge-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    flex-shrink: 0;
}

.site-nav-links {
    display: flex;
    gap: 1.25rem;
    font-size: 0.95rem;
    font-weight: 500;
}

.site-nav-links a {
    color: var(--text-muted);
    text-decoration: none;
}

.site-nav-links a:hover {
    color: var(--accent-dark);
}

.site-nav-links a[aria-current="page"] {
    color: var(--accent-dark);
}

header.hero,
.hero {
    padding: 0.5rem 0 0;
    margin: 0;
    min-width: 0;
}

.hero-kicker {
    margin: 0 0 0.85rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent-dark);
}

.hero-title {
    font-family: "Cormorant Garamond", "Source Serif 4", Georgia, serif;
    font-size: clamp(3rem, 9vw, 4.75rem);
    font-weight: 600;
    line-height: 0.98;
    letter-spacing: -0.025em;
    margin: 0 0 1.1rem;
}

.hero-title__line {
    display: block;
    white-space: nowrap;
}

@media (max-width: 540px) {
    .hero-title__line {
        white-space: normal;
    }
}

.hero-title__line--accent {
    font-style: italic;
    font-weight: 500;
    color: var(--accent-dark);
}

.page-title {
    font-family: "Source Serif 4", Georgia, serif;
    font-size: clamp(2rem, 4.5vw, 2.75rem);
    font-weight: 600;
    line-height: 1.2;
    margin: 0 0 0.4rem;
    letter-spacing: -0.01em;
}

.hero .tagline,
.page-subtitle {
    font-size: 1.12rem;
    color: var(--text-muted);
    max-width: 38rem;
    margin: 0 0 0;
    line-height: 1.6;
}

.page-subtitle {
    margin-bottom: 2rem;
}

.cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2.25rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.7rem 1.25rem;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.15s, box-shadow 0.15s, border-color 0.15s;
    cursor: pointer;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    border: 1px solid var(--accent-dark);
    box-shadow: 0 2px 8px rgba(58, 107, 74, 0.25);
}

.btn-primary:hover {
    background: var(--accent-dark);
    box-shadow: 0 3px 12px rgba(58, 107, 74, 0.3);
}

.btn-secondary {
    background: var(--surface);
    color: var(--accent-dark);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--accent-soft);
    border-color: var(--accent);
}

.btn svg {
    width: 1.05rem;
    height: 1.05rem;
    flex-shrink: 0;
}

section {
    margin-bottom: 2.5rem;
}

section h2,
.join-banner h2 {
    font-family: "Source Serif 4", Georgia, serif;
    font-size: 1.45rem;
    font-weight: 600;
    margin: 0 0 0.85rem;
    padding-left: 0.85rem;
    border-left: 3px solid var(--accent);
}

section:nth-of-type(2) h2 {
    border-left-color: var(--teal);
}

section:nth-of-type(3) h2 {
    border-left-color: var(--lavender);
}

section:nth-of-type(4) h2 {
    border-left-color: var(--blue);
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.card p {
    margin: 0 0 1rem;
}

.card p:last-child {
    margin-bottom: 0;
}

.event-card {
    border-left: 4px solid var(--accent);
}

.event-card--upcoming {
    position: relative;
    border-left: none;
    border: 2px solid transparent;
    background:
        linear-gradient(135deg, var(--surface) 70%, var(--accent-soft) 100%) padding-box,
        linear-gradient(
            120deg,
            #3a6b4a,
            #4fa876,
            #6bc4a2,
            #5eb8d4,
            #8fa8e0,
            #7bc99a,
            #3a6b4a
        ) border-box;
    background-size: auto, 280% 280%;
    animation: upcoming-border 12s ease infinite;
    box-shadow:
        var(--shadow),
        0 0 14px rgba(79, 168, 118, 0.22),
        0 0 28px rgba(94, 184, 212, 0.12),
        0 0 42px rgba(143, 168, 224, 0.08);
    margin-bottom: 1.75rem;
}

@keyframes upcoming-border {
    0%, 100% {
        background-position: 0 0, 0% 50%;
    }
    50% {
        background-position: 0 0, 100% 50%;
    }
}

@media (prefers-reduced-motion: reduce) {
    .event-card--upcoming {
        animation: none;
        background-size: auto, 100% 100%;
    }
}

.event-card--cancelled {
    opacity: 0.75;
    border-left-color: var(--text-muted);
}

.event-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-bottom: 0.85rem;
}

.tag {
    display: inline-block;
    font-size: 0.82rem;
    font-weight: 500;
    padding: 0.28rem 0.65rem;
    background: #e8ece9;
    color: var(--text-muted);
    border-radius: 6px;
}

.tag--date {
    background: var(--accent-soft);
    color: var(--accent-dark);
}

.tag--cancelled {
    background: #f5e8e6;
    color: #8a4038;
}

.event-label {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--accent-dark);
    margin: 0 0 0.4rem;
}

.event-title {
    font-family: "Source Serif 4", Georgia, serif;
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 0 0.6rem;
}

.speaker-list {
    list-style: none;
    margin: 1rem 0 0;
    padding: 0;
    display: grid;
    gap: 0.5rem;
}

.speaker-list li {
    padding: 0.6rem 0.75rem;
    background: rgba(255, 255, 255, 0.65);
    border: 1px solid var(--border);
    border-radius: 6px;
}

.event-card:not(.event-card--upcoming) .speaker-list li {
    background: var(--bg);
}

.speaker-name {
    display: block;
    font-weight: 600;
}

.speaker-talk {
    display: block;
    font-family: "Source Serif 4", Georgia, serif;
    font-size: 0.95rem;
    font-style: italic;
    color: var(--text);
    margin-top: 0.2rem;
    line-height: 1.45;
}

.speaker-affiliation {
    display: block;
    font-size: 0.92rem;
    color: var(--text-muted);
    margin-top: 0.1rem;
}

.archive-grid {
    display: grid;
    gap: 1rem;
}

.goals {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.85rem;
}

.goal {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.2rem;
    box-shadow: var(--shadow);
}

.goal h3 {
    font-family: "Source Serif 4", Georgia, serif;
    font-size: 1.05rem;
    font-weight: 600;
    margin: 0 0 0.4rem;
    color: var(--accent-dark);
}

.goal p {
    margin: 0;
    font-size: 0.94rem;
    color: var(--text-muted);
}

.meetings {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-top: 1.15rem;
}

.join-banner {
    background: linear-gradient(
        135deg,
        var(--accent-soft) 0%,
        var(--teal-soft) 45%,
        var(--lavender-soft) 100%
    );
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.75rem 1.5rem;
    text-align: center;
    margin-top: 0.5rem;
}

.join-banner h2 {
    margin-bottom: 0.45rem;
    border-left: none;
    padding-left: 0;
}

.join-banner p {
    margin: 0 auto 1.25rem;
    color: var(--text-muted);
    max-width: 30rem;
}

.join-banner .cta-row {
    justify-content: center;
    margin-bottom: 0;
}

.archive-grid .event-card:nth-child(4n + 1) {
    border-left-color: var(--accent);
}

.archive-grid .event-card:nth-child(4n + 2) {
    border-left-color: var(--teal);
}

.archive-grid .event-card:nth-child(4n + 3) {
    border-left-color: var(--blue);
}

.archive-grid .event-card:nth-child(4n + 4) {
    border-left-color: var(--lavender);
}

.team {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.85rem;
    margin-top: 0.5rem;
}

.member {
    margin: 0;
    padding: 0.75rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
}

.member-name {
    display: block;
    font-weight: 600;
}

.member-role {
    display: block;
    font-size: 0.92rem;
    color: var(--text-muted);
    margin-top: 0.1rem;
}

footer {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    font-size: 0.92rem;
    color: var(--text-muted);
}

footer a {
    color: var(--accent-dark);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

footer p {
    margin: 0 0 0.75rem;
}