:root {
    --navy: #07153a;
    --navy-2: #0c2c72;
    --blue: #1a4fa3;
    --blue-soft: #e8f0fb;
    --gold: #c9a227;
    --gold-2: #e4c76a;
    --ink: #1b2433;
    --muted: #5b6577;
    --line: #d7deea;
    --paper: #f5f8fc;
    --white: #ffffff;
    --shadow: 0 12px 40px rgba(7, 21, 58, 0.1);
    --radius: 16px;
    --header-h: 72px;
    --font: "Source Sans 3", "Segoe UI", sans-serif;
    --serif: "Cormorant Garamond", "Times New Roman", serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    font-family: var(--font);
    font-size: 17px;
    line-height: 1.7;
    background: var(--white);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--blue);
    text-decoration: none;
}

a:hover {
    color: var(--navy-2);
}

.skip-link {
    position: absolute;
    left: -999px;
    top: 8px;
    background: var(--gold);
    color: var(--navy);
    padding: 8px 14px;
    z-index: 1000;
}

.skip-link:focus {
    left: 8px;
}

.wrap {
    width: min(1120px, calc(100% - 40px));
    margin: 0 auto;
}

/* Header */
.site-header {
    background: var(--navy);
    color: var(--white);
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px 24px;
    padding: 10px 0;
    font-size: 13px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.78);
    flex-wrap: wrap;
}

.topbar .host {
    min-width: 0;
}

.topbar .when {
    white-space: nowrap;
    flex-shrink: 0;
}

.topbar span {
    color: var(--gold-2);
}

.banner {
    display: block;
    width: 100%;
    background: #0a2a6e;
}

.banner img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.nav-wrap {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(7, 21, 58, 0.96);
    backdrop-filter: blur(12px);
    border-top: 1px solid rgba(201, 162, 39, 0.35);
    box-shadow: 0 8px 24px rgba(7, 21, 58, 0.18);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 58px;
}

.brand {
    display: none;
    color: var(--white);
    font-family: var(--serif);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.nav {
    display: flex;
    align-items: stretch;
    flex-wrap: wrap;
    gap: 0;
    width: 100%;
}

.nav a,
.nav .drop > span {
    display: flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.86);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 16px 12px;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    white-space: nowrap;
}

.nav > a:hover,
.nav .drop:hover > a,
.nav .drop:hover > span,
.nav > a.is-active,
.nav .drop > a.is-active {
    color: var(--gold-2);
    border-bottom-color: var(--gold);
}

.drop {
    position: relative;
}

.drop-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--white);
    box-shadow: var(--shadow);
    border-radius: 0 0 10px 10px;
    overflow: hidden;
}

.drop:hover .drop-menu,
.drop:focus-within .drop-menu {
    display: block;
}

.drop-menu a {
    color: var(--navy);
    border-bottom: 1px solid var(--line);
    padding: 12px 16px;
    letter-spacing: 0.06em;
}

.drop-menu a:hover {
    background: var(--blue-soft);
    color: var(--navy-2);
    border-bottom-color: var(--line);
}

.menu-btn {
    display: none;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: var(--white);
    border-radius: 8px;
    padding: 8px 12px;
    font: inherit;
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* Hero strip on inner pages */
.page-hero {
    background:
        linear-gradient(180deg, rgba(7, 21, 58, 0.55), rgba(7, 21, 58, 0.72)),
        url("../images/venue-1.jpg") center/cover no-repeat;
    color: var(--white);
    padding: 64px 0 56px;
}

.page-hero.venue-hero {
    background:
        linear-gradient(180deg, rgba(7, 21, 58, 0.5), rgba(7, 21, 58, 0.7)),
        url("../images/venue-2.jpg") center/cover no-repeat;
}

.page-hero h1 {
    font-family: var(--serif);
    font-size: clamp(34px, 5vw, 54px);
    font-weight: 700;
    margin: 0 0 10px;
    line-height: 1.15;
}

.page-hero p {
    margin: 0;
    max-width: 720px;
    font-size: 18px;
    color: rgba(255, 255, 255, 0.88);
}

.crumbs {
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gold-2);
    margin-bottom: 12px;
}

/* Sections */
.section {
    padding: 72px 0;
    scroll-margin-top: 72px;
}

.section.alt {
    background: var(--paper);
}

.kicker {
    color: var(--gold);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    margin: 0 0 10px;
}

h2 {
    font-family: var(--serif);
    font-size: clamp(30px, 4vw, 42px);
    line-height: 1.2;
    margin: 0 0 18px;
    color: var(--navy);
}

h3 {
    font-family: var(--serif);
    font-size: 26px;
    margin: 0 0 10px;
    color: var(--navy-2);
}

.lead {
    font-size: 19px;
    color: var(--muted);
    max-width: 780px;
}

.theme-box {
    margin: 28px 0;
    padding: 22px 26px;
    border-left: 4px solid var(--gold);
    background: linear-gradient(90deg, #f7f1de, var(--white));
}

.theme-box strong {
    display: block;
    font-size: 13px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 6px;
}

.theme-box p {
    margin: 0;
    font-family: var(--serif);
    font-size: 26px;
    line-height: 1.35;
    color: var(--navy);
}

.facts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 36px 0 8px;
}

.fact {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px 22px;
    box-shadow: 0 8px 24px rgba(7, 21, 58, 0.04);
}

.fact small {
    display: block;
    color: var(--gold);
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-size: 12px;
    margin-bottom: 6px;
}

.fact b {
    color: var(--navy);
    font-size: 18px;
}

.sessions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 28px;
}

.session-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 24px;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.session-card .num {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--navy);
    color: var(--gold-2);
    display: grid;
    place-items: center;
    font-weight: 700;
    margin-bottom: 14px;
}

.prose p {
    margin: 0 0 16px;
}

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

/* Photos */
.photo-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 18px;
    margin-top: 28px;
}

.photo {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
    min-height: 280px;
    background: #123;
}

.photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 320px;
}

.photo figcaption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 28px 18px 16px;
    background: linear-gradient(transparent, rgba(7, 21, 58, 0.82));
    color: var(--white);
    font-size: 14px;
}

.venue-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    align-items: start;
}

.map-frame {
    border: 0;
    width: 100%;
    height: 320px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

/* Programme */
.day-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0 0 28px;
}

.day-nav a {
    background: var(--white);
    border: 1px solid var(--line);
    color: var(--navy);
    border-radius: 999px;
    padding: 8px 14px;
    font-size: 14px;
    font-weight: 600;
}

.day-nav a:hover,
.day-nav a.is-on {
    background: var(--navy);
    color: var(--white);
    border-color: var(--navy);
}

.day-block {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow-x: auto;
    margin-bottom: 28px;
    box-shadow: 0 8px 28px rgba(7, 21, 58, 0.05);
    scroll-margin-top: 80px;
}

.day-head {
    background: linear-gradient(90deg, var(--navy), var(--blue));
    color: var(--white);
    padding: 18px 22px;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: baseline;
}

.day-head h3 {
    color: var(--white);
    margin: 0;
    font-size: 28px;
}

.day-head span {
    color: var(--gold-2);
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.forum-banner {
    background: #f7f1de;
    padding: 16px 22px;
    border-bottom: 1px solid #ead9a4;
}

.forum-banner .vn {
    margin: 0;
    font-weight: 700;
    color: var(--navy);
}

.forum-banner .en {
    margin: 4px 0 0;
    color: var(--muted);
    font-size: 15px;
}

.prog {
    width: 100%;
    border-collapse: collapse;
}

.prog th,
.prog td {
    text-align: left;
    vertical-align: top;
    padding: 12px 16px;
    border-bottom: 1px solid var(--line);
}

.prog th {
    background: var(--paper);
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
}

.prog td:first-child {
    width: 150px;
    white-space: nowrap;
    font-weight: 700;
    color: var(--navy-2);
}

.prog td:last-child {
    color: var(--muted);
    width: 38%;
}

.session-row td {
    background: var(--navy);
    color: var(--white);
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 14px 16px;
}

.session-row small {
    display: block;
    font-weight: 500;
    color: var(--gold-2);
    margin-top: 4px;
}

.ceremony td {
    background: #eef4fd;
    color: var(--navy);
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-size: 13px;
}

.note {
    margin: 0;
    padding: 14px 22px 18px;
    color: var(--muted);
    font-size: 15px;
}

.empty-state {
    text-align: center;
    background: var(--white);
    border: 1px dashed var(--line);
    border-radius: 18px;
    padding: 56px 24px;
}

.empty-state h3 {
    margin-bottom: 8px;
}

.tour-list {
    display: grid;
    gap: 14px;
    margin: 24px 0 0;
    padding: 0;
    list-style: none;
}

.tour-list li {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 16px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 16px 18px;
}

.tour-list time {
    font-weight: 700;
    color: var(--navy-2);
}

/* Footer */
.site-footer {
    background: var(--navy);
    color: rgba(255, 255, 255, 0.78);
    padding: 36px 0 24px;
}

.site-footer .wrap {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 24px;
    align-items: start;
}

.site-footer h4 {
    margin: 0 0 8px;
    color: var(--white);
    font-family: var(--serif);
    font-size: 22px;
}

.site-footer p {
    margin: 0 0 8px;
}

.copyright {
    margin-top: 22px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55);
}

@media (max-width: 720px) {
    .topbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
        letter-spacing: 0.02em;
    }

    .brand {
        display: block;
    }

    .menu-btn {
        display: inline-flex;
    }

    .nav {
        display: none;
        flex-direction: column;
        position: absolute;
        left: 0;
        right: 0;
        top: 58px;
        background: #07153a;
        padding: 8px 0 16px;
    }

    .nav.is-open {
        display: flex;
    }

    .drop-menu {
        position: static;
        display: block;
        background: transparent;
        box-shadow: none;
    }

    .drop-menu a {
        color: rgba(255, 255, 255, 0.8);
        border-bottom: 0;
        padding-left: 28px;
    }

    .facts,
    .sessions,
    .photo-grid,
    .venue-meta,
    .site-footer .wrap {
        grid-template-columns: 1fr;
    }

    .tour-list li {
        grid-template-columns: 1fr;
    }

    .prog td:first-child {
        white-space: normal;
        width: auto;
    }

    .section {
        padding: 48px 0;
    }
}

@media print {
    .site-header,
    .nav-wrap,
    .page-hero,
    .site-footer,
    .day-nav,
    .menu-btn {
        display: none !important;
    }

    .day-block {
        break-inside: avoid;
        box-shadow: none;
    }
}