:root {
    --navy: #1c324f;
    --navy-dark: #101f32;
    --orange: #f57c00;
    --ink: #1f2937;
    --muted: #5b6b7d;
    --paper: #f7f9fb;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--ink);
    background: #fff;
}

h1, h2, h3, h4, .brand-text strong {
    font-family: 'Merriweather', serif;
}

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

/* ── Topbar / Nav ───────────────────────────────────────────────────── */
.silsov-topbar {
    background: var(--navy-dark);
    color: #cfd8e3;
    padding: 6px 0;
    font-size: .85rem;
}
.silsov-topbar a { color: #cfd8e3; text-decoration: none; }
.silsov-topbar a:hover { color: var(--orange); }

.silsov-navbar {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,.08);
    padding: 10px 0;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { color: var(--navy); font-size: 1.15rem; }
.brand-text small { color: var(--muted); font-size: .72rem; letter-spacing: .03em; }

.org-logo:first-of-type { padding-left: .9rem; margin-left: .1rem; border-left: 1px solid #e7ecf1; }

.silsov-navbar .nav-link {
    color: var(--ink);
    font-weight: 500;
    padding: .5rem .9rem;
}
.silsov-navbar .nav-link.active,
.silsov-navbar .nav-link:hover { color: var(--orange); }

.btn-cmt {
    background: var(--orange);
    color: #fff !important;
    font-weight: 600;
    border-radius: 999px;
    padding: .5rem 1.2rem;
    text-decoration: none;
    display: inline-block;
}
.btn-cmt:hover { background: #d96a00; color: #fff; }

.btn-navy {
    background: var(--navy);
    color: #fff;
    font-weight: 600;
    border-radius: 999px;
    padding: .65rem 1.5rem;
    border: none;
}
.btn-navy:hover { background: var(--navy-dark); color: #fff; }

.btn-outline-navy {
    border: 2px solid #fff;
    color: #fff;
    font-weight: 600;
    border-radius: 999px;
    padding: .6rem 1.4rem;
}
.btn-outline-navy:hover { background: #fff; color: var(--navy); }

/* ── Hero ───────────────────────────────────────────────────────────── */
.silsov-hero {
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
    color: #fff;
    padding: 90px 0 70px;
    position: relative;
    overflow: hidden;
}
.silsov-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 80% 20%, rgba(245,124,0,.18), transparent 55%);
}
.hero-title-row {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 1rem;
}
.silsov-hero .hero-logo {
    height: 100px;
    width: 100px;
    flex-shrink: 0;
    border-radius: 50%;
    box-shadow: 0 4px 18px rgba(0,0,0,.25);
}
@media (max-width: 575.98px) {
    .hero-title-row { flex-direction: column; align-items: flex-start; gap: .75rem; }
    .silsov-hero .hero-logo { height: 72px; width: 72px; }
}
.silsov-hero .eyebrow {
    color: var(--orange);
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    font-size: .85rem;
}
.silsov-hero h1 {
    font-size: clamp(1.9rem, 4vw, 3rem);
    font-weight: 900;
    line-height: 1.25;
    margin: .5rem 0 1rem;
}
.silsov-hero .lead-sub {
    color: #d7deea;
    font-size: 1.1rem;
    max-width: 720px;
}
.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin: 1.75rem 0;
}
.hero-meta div { display: flex; align-items: center; gap: .6rem; }
.hero-meta i { color: var(--orange); font-size: 1.1rem; }

.organisers-strip {
    background: var(--paper);
    padding: 22px 0;
    border-bottom: 1px solid #e7ecf1;
}
.organisers-strip .org-item {
    font-weight: 600;
    color: var(--navy);
    font-size: .9rem;
    text-align: center;
}
.organisers-strip .org-item small {
    display: block;
    color: var(--muted);
    font-weight: 400;
}

/* ── Sections ───────────────────────────────────────────────────────── */
.section { padding: 70px 0; }
.section-alt { background: var(--paper); }
.section-title {
    font-weight: 900;
    color: var(--navy);
    margin-bottom: .6rem;
}
.section-kicker {
    color: var(--orange);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    font-size: .82rem;
}
.section-intro { color: var(--muted); max-width: 760px; }

/* Theme cards */
.theme-card {
    background: #fff;
    border: 1px solid #e7ecf1;
    border-radius: 14px;
    padding: 1.75rem;
    height: 100%;
    box-shadow: 0 2px 10px rgba(16,31,50,.04);
    transition: transform .2s, box-shadow .2s;
}
.theme-card:hover { transform: translateY(-4px); box-shadow: 0 10px 24px rgba(16,31,50,.1); }
.theme-card .theme-num {
    width: 42px; height: 42px;
    border-radius: 50%;
    background: var(--navy);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700;
    margin-bottom: 1rem;
}
.theme-card h5 { color: var(--navy); font-weight: 700; }
.theme-card p { color: var(--muted); font-size: .94rem; margin-bottom: 0; }

/* Dates timeline/table */
.dates-table {
    background: #fff;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(16,31,50,.06);
}
.dates-table .row-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.1rem 1.5rem;
    border-bottom: 1px solid #eef1f5;
    flex-wrap: wrap;
}
.dates-table .row-item:last-child { border-bottom: none; }
.dates-table .row-item.highlight { background: #fff6ea; }
.dates-table .what { font-weight: 600; color: var(--ink); }
.dates-table .when {
    font-weight: 700;
    color: var(--navy);
    background: var(--paper);
    padding: .3rem .9rem;
    border-radius: 999px;
    font-size: .9rem;
    white-space: nowrap;
}
.dates-table .row-item.highlight .when { background: var(--orange); color: #fff; }
.dates-table .when-group { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.dates-table .when-old {
    font-weight: 600;
    color: #9aa3ad;
    font-size: .82rem;
    white-space: nowrap;
}
.dates-table .when-old del { text-decoration-color: #c0392b; }

/* Instructions / submission */
.info-card {
    background: #fff;
    border: 1px solid #e7ecf1;
    border-left: 4px solid var(--orange);
    border-radius: 10px;
    padding: 1.5rem;
    height: 100%;
}
.info-card h6 { color: var(--navy); font-weight: 700; }
.info-card p { color: var(--muted); font-size: .92rem; margin-bottom: 0; }

.cmt-banner {
    background: linear-gradient(135deg, var(--navy), var(--navy-dark));
    color: #fff;
    border-radius: 16px;
    padding: 2.2rem;
}
.cmt-banner h4 { font-weight: 800; }
.cmt-banner p { color: #d7deea; margin-bottom: 1.25rem; }

/* Committee */
.committee-group { margin-bottom: 2.5rem; }
.committee-group h4 {
    color: var(--navy);
    font-weight: 800;
    border-bottom: 2px solid var(--orange);
    padding-bottom: .5rem;
    display: inline-block;
    margin-bottom: 1.25rem;
}
.person-card {
    background: #fff;
    border: 1px solid #e7ecf1;
    border-radius: 12px;
    padding: 1.1rem 1.3rem;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 0.9rem;
}
.person-card .photo {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    border: 1px solid #e7ecf1;
    background: #f4f6f8;
}
.person-card .name { font-weight: 700; color: var(--ink); }
.person-card .role { color: var(--muted); font-size: .88rem; }

/* Downloads */
.download-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: #fff;
    border: 1px solid #e7ecf1;
    border-radius: 12px;
    padding: 1.1rem 1.3rem;
}
.download-card i { font-size: 1.8rem; color: var(--orange); }
.download-card .title { font-weight: 700; color: var(--ink); }
.download-card .meta { color: var(--muted); font-size: .82rem; }

/* Venue */
.venue-map {
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(16,31,50,.08);
}
.venue-info-card {
    background: #fff;
    border: 1px solid #e7ecf1;
    border-radius: 12px;
    padding: 1.4rem;
}
.venue-info-card i { color: var(--orange); width: 24px; }

/* Page hero (sub-pages) */
.page-hero {
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
    color: #fff;
    padding: 70px 0 50px;
}
.page-hero h1 { font-weight: 900; font-size: clamp(1.7rem, 3.5vw, 2.4rem); }
.page-hero p { color: #d7deea; max-width: 700px; }

/* ── Footer ─────────────────────────────────────────────────────────── */
.silsov-footer {
    background: var(--navy-dark);
    color: #cfd8e3;
    padding: 50px 0 20px;
}
.silsov-footer h5 { color: #fff; font-weight: 700; margin-bottom: .9rem; }
.silsov-footer a { color: #cfd8e3; }
.silsov-footer a:hover { color: var(--orange); }
.footer-links { display: flex; flex-direction: column; gap: .4rem; }

@media (max-width: 991px) {
    .silsov-navbar .navbar-nav { padding-top: .75rem; }
    .btn-cmt { margin-top: .5rem; }
}