/* =============================================
   RNEMS Modern Theme v2 — Clean & Refined
   ============================================= */

:root {
    --rn-bg:          #f8fafc;
    --rn-surface:     #ffffff;
    --rn-line:        #e2e8f0;
    --rn-line-strong: #cbd5e1;
    --rn-text:        #0f172a;
    --rn-muted:       #64748b;
    --rn-faint:       #94a3b8;

    --rn-primary:     #2563eb;
    --rn-primary-dk:  #1d4ed8;
    --rn-primary-lt:  #dbeafe;
    --rn-primary-bg:  #eff6ff;

    --rn-accent:      #0ea5e9;
    --rn-accent-bg:   #f0f9ff;

    --rn-success:     #10b981;
    --rn-success-bg:  #ecfdf5;
    --rn-warning:     #f59e0b;
    --rn-warning-bg:  #fffbeb;
    --rn-danger:      #ef4444;
    --rn-danger-bg:   #fef2f2;

    --rn-sd-xs:  0 1px 2px rgba(15,23,42,.05);
    --rn-sd-sm:  0 1px 3px rgba(15,23,42,.07), 0 1px 2px rgba(15,23,42,.04);
    --rn-sd:     0 4px 14px rgba(15,23,42,.08), 0 2px 6px rgba(15,23,42,.04);
    --rn-sd-lg:  0 16px 40px rgba(15,23,42,.10), 0 4px 12px rgba(15,23,42,.04);

    --rn-r-xl:   24px;
    --rn-r-lg:   16px;
    --rn-r-md:   12px;
    --rn-r-sm:   8px;
    --rn-r-xs:   6px;

    /* backward-compat aliases used by inline page styles */
    --rn-shadow:       var(--rn-sd);
    --rn-shadow-soft:  var(--rn-sd-sm);
    --rn-radius-xl:    var(--rn-r-xl);
    --rn-radius-lg:    var(--rn-r-lg);
    --rn-radius-md:    var(--rn-r-md);
    --rn-accent-soft:  var(--rn-accent-bg);
    --rn-surface-2:    rgba(255,255,255,.95);
}

html { scroll-behavior: smooth; }

body {
    background: var(--rn-bg);
    color: var(--rn-text);
    font-family: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
    min-height: 100vh;
    padding-top: 64px;
    -webkit-font-smoothing: antialiased;
}

main { position: relative; z-index: 1; }

a { color: var(--rn-primary); text-decoration: none; transition: color .15s; }
a:hover { color: var(--rn-primary-dk); }

/* ================================================
   NAVBAR
   ================================================ */

.navbar {
    position: fixed !important;
    top: 0; left: 0; right: 0;
    height: 64px;
    z-index: 1000;
    background: rgba(255,255,255,.97) !important;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--rn-line) !important;
    box-shadow: var(--rn-sd-xs) !important;
    padding: 0 !important;
}

/* flatten the old pill shell */
.rn-navbar-shell {
    background: transparent !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    padding: 0 !important;
    height: 100%;
}

.navbar-brand {
    font-weight: 800 !important;
    font-size: 15px !important;
    color: var(--rn-text) !important;
    letter-spacing: -.02em !important;
}
.navbar-brand:hover { color: var(--rn-primary) !important; }

.brand-lockup         { gap: 10px !important; }
.brand-lockup img     { max-width: 130px !important; max-height: 36px !important; }

.brand-lockup-text strong {
    font-size: 14px !important;
    font-weight: 800 !important;
    color: var(--rn-text) !important;
}
.brand-lockup-text span {
    font-size: 10px !important;
    font-weight: 600 !important;
    color: var(--rn-muted) !important;
    text-transform: uppercase !important;
    letter-spacing: .08em !important;
}

.navbar-nav.main-nav { gap: 2px !important; align-items: center; }

.navbar-nav.main-nav .nav-link {
    font-size: 13.5px !important;
    font-weight: 600 !important;
    color: var(--rn-muted) !important;
    padding: 7px 11px !important;
    border-radius: var(--rn-r-sm) !important;
    transition: background .15s, color .15s !important;
    white-space: nowrap;
}
.navbar-nav.main-nav .nav-link:hover,
.nav-item.active .nav-link,
.navbar-nav.main-nav .show > .nav-link {
    color: var(--rn-primary) !important;
    background: var(--rn-primary-bg) !important;
}

.dropdown-menu {
    border: 1px solid var(--rn-line) !important;
    border-radius: var(--rn-r-md) !important;
    padding: 6px !important;
    box-shadow: var(--rn-sd-lg) !important;
    background: white !important;
    min-width: 160px;
    margin-top: 4px !important;
}
.dropdown-item {
    font-size: 13.5px !important;
    font-weight: 600 !important;
    color: var(--rn-text) !important;
    border-radius: var(--rn-r-xs) !important;
    padding: 8px 12px !important;
    transition: all .15s !important;
}
.dropdown-item:hover {
    background: var(--rn-primary-bg) !important;
    color: var(--rn-primary) !important;
}

.navbar-toggler {
    border: 1px solid var(--rn-line) !important;
    border-radius: var(--rn-r-sm) !important;
    padding: 6px 10px !important;
    background: transparent !important;
    color: var(--rn-muted);
}
.navbar-toggler:focus { box-shadow: none !important; }

.badge.bg-danger {
    background: var(--rn-danger) !important;
    border-radius: 999px !important;
    font-size: 10px !important;
    padding: .28em .58em !important;
    font-weight: 700 !important;
    vertical-align: middle !important;
}

/* ================================================
   TYPOGRAPHY
   ================================================ */

h1,h2,h3,h4,h5,h6,
.display-1,.display-2,.display-3,.display-4,.display-5 {
    color: var(--rn-text);
    letter-spacing: -.03em;
    line-height: 1.2;
}

.text-gradient {
    background: linear-gradient(135deg, var(--rn-primary-dk) 0%, var(--rn-primary) 55%, var(--rn-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.lead, .text-muted, p { color: var(--rn-muted) !important; }

/* ================================================
   SECTIONS / SHELLS
   ================================================ */

section { position: relative; }

.section-shell,
.page-shell,
.page-hero,
.faq-container,
.accordion-item,
.table-responsive,
.table-shell {
    background: var(--rn-surface);
    border: 1px solid var(--rn-line) !important;
    border-radius: var(--rn-r-xl) !important;
    box-shadow: var(--rn-sd-sm) !important;
}

.section-shell.section-soft {
    background: linear-gradient(180deg, #fff 0%, var(--rn-bg) 100%);
}

/* ================================================
   CARDS
   ================================================ */

.card, .modal-content {
    border: 1px solid var(--rn-line) !important;
    border-radius: var(--rn-r-lg) !important;
    box-shadow: var(--rn-sd-sm) !important;
    background: var(--rn-surface) !important;
    transition: transform .2s ease, box-shadow .2s ease;
    overflow: hidden;
}
.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--rn-sd-lg) !important;
}
.card-body { padding: 1.25rem !important; }
.card-body.p-4 { padding: 1.25rem !important; }
.card-body.p-5 { padding: 1.75rem !important; }

/* ================================================
   ACCORDION
   ================================================ */

.accordion-item {
    margin-bottom: 8px !important;
    overflow: hidden;
}
.accordion-button {
    font-weight: 700;
    font-size: 14px;
    color: var(--rn-text);
    background: white;
    padding: 1rem 1.25rem;
    box-shadow: none !important;
}
.accordion-button:not(.collapsed) {
    color: var(--rn-primary);
    background: var(--rn-primary-bg);
    box-shadow: none !important;
}
.accordion-button:focus { box-shadow: none !important; }
.accordion-button::after { filter: none; }
.accordion-body { font-size: 14px; line-height: 1.7; color: var(--rn-muted); }

/* ================================================
   BUTTONS
   ================================================ */

.btn {
    border-radius: var(--rn-r-md) !important;
    font-weight: 700 !important;
    font-size: 14px;
    letter-spacing: -.01em;
    transition: all .15s ease;
    box-shadow: none !important;
}
.btn-lg { padding: .72rem 1.4rem !important; font-size: 15px !important; }

.btn-primary {
    background: var(--rn-primary) !important;
    border-color: var(--rn-primary) !important;
    color: white !important;
}
.btn-primary:hover {
    background: var(--rn-primary-dk) !important;
    border-color: var(--rn-primary-dk) !important;
}

.btn-outline-primary {
    background: transparent !important;
    border-color: var(--rn-primary) !important;
    color: var(--rn-primary) !important;
}
.btn-outline-primary:hover {
    background: var(--rn-primary) !important;
    color: white !important;
}

.btn-outline-secondary {
    border-color: var(--rn-line-strong) !important;
    color: var(--rn-text) !important;
    background: white !important;
}
.btn-outline-secondary:hover {
    background: var(--rn-bg) !important;
    border-color: var(--rn-text) !important;
}
.btn-outline-secondary:disabled, .btn-outline-secondary[disabled] {
    opacity: .45 !important;
    cursor: not-allowed;
}

.btn-outline-dark {
    border-color: #334155 !important;
    color: #334155 !important;
    background: transparent !important;
}
.btn-outline-dark:hover {
    background: #0f172a !important;
    border-color: #0f172a !important;
    color: white !important;
}

.btn-danger {
    background: var(--rn-danger) !important;
    border-color: var(--rn-danger) !important;
    color: white !important;
}
.btn-warning {
    background: var(--rn-warning) !important;
    border-color: var(--rn-warning) !important;
    color: white !important;
}

/* ================================================
   FORMS
   ================================================ */

.form-control, .form-select, textarea {
    border-radius: var(--rn-r-md) !important;
    border: 1px solid var(--rn-line) !important;
    background: white !important;
    min-height: 44px;
    font-size: 14px;
    color: var(--rn-text) !important;
    box-shadow: none !important;
    transition: border-color .15s, box-shadow .15s;
}
.form-control:focus, .form-select:focus {
    border-color: var(--rn-primary) !important;
    box-shadow: 0 0 0 3px rgba(37,99,235,.12) !important;
}
textarea.form-control { min-height: 120px; }
.form-label {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--rn-text);
    margin-bottom: 6px;
}

/* ================================================
   TABLES
   ================================================ */

.table {
    --bs-table-bg: transparent;
    --bs-table-border-color: var(--rn-line);
}
.table thead th {
    background: var(--rn-bg);
    color: var(--rn-muted);
    text-transform: uppercase;
    letter-spacing: .07em;
    font-size: 11px;
    font-weight: 800;
    border-bottom: 1px solid var(--rn-line);
    padding: .85rem 1rem;
}
.table td, .table th { padding: .9rem 1rem; vertical-align: middle; }
.table tbody tr:hover { background: rgba(37,99,235,.03); }

/* ================================================
   ALERTS / MODAL
   ================================================ */

.alert {
    border-radius: var(--rn-r-md) !important;
    font-size: 14px;
    font-weight: 600;
    border: 1px solid transparent !important;
}
.modal-content {
    border-radius: var(--rn-r-xl) !important;
    box-shadow: var(--rn-sd-lg);
    overflow: hidden;
}
.modal-header { border-bottom: 1px solid var(--rn-line); padding: 1.25rem 1.5rem; }
.modal-footer { border-top: 1px solid var(--rn-line); padding: 1rem 1.5rem; }

/* ================================================
   KICKER LABELS
   ================================================ */

.rn-section-kicker,
.comp-kicker,
.contact-kicker {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--rn-primary-bg);
    border: 1px solid rgba(37,99,235,.15);
    border-radius: 999px;
    color: var(--rn-primary);
    font-weight: 700;
    font-size: 11px;
    letter-spacing: .07em;
    text-transform: uppercase;
}

/* ================================================
   FEATURE ICON
   ================================================ */

.feature {
    width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 12px;
    background: var(--rn-primary-bg);
    color: var(--rn-primary);
    font-size: 18px;
    flex-shrink: 0;
}
.feature.bg-primary,
.feature.bg-gradient-primary-to-secondary {
    background: var(--rn-primary) !important;
    color: white !important;
}

/* ================================================
   HOMEPAGE-SPECIFIC
   ================================================ */

/* Hero */
.hero-section {
    padding: 72px 0 64px;
    background: var(--rn-surface);
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 999px;
    background: var(--rn-primary-bg);
    border: 1px solid rgba(37,99,235,.2);
    color: var(--rn-primary);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .04em;
    margin-bottom: 22px;
}
.hero-title {
    font-size: clamp(1.9rem, 4.5vw, 3rem);
    font-weight: 900;
    letter-spacing: -.04em;
    line-height: 1.1;
    color: var(--rn-text);
    margin-bottom: 16px;
}
.hero-sub {
    font-size: 16px;
    color: var(--rn-muted);
    line-height: 1.65;
    margin-bottom: 28px;
    max-width: 520px;
}
.hero-img {
    width: 100%;
    max-width: 480px;
    height: auto;
    display: block;
}

/* Feature cards */
.feat-card {
    background: var(--rn-surface);
    border: 1px solid var(--rn-line);
    border-radius: var(--rn-r-lg);
    padding: 24px;
    height: 100%;
    transition: transform .2s, box-shadow .2s;
}
.feat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--rn-sd);
}
.feat-icon {
    width: 40px; height: 40px;
    border-radius: 10px;
    background: var(--rn-primary-bg);
    color: var(--rn-primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 18px;
    margin-bottom: 14px;
    flex-shrink: 0;
}
.feat-card h5 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.feat-card p  { font-size: 13.5px; margin: 0; }

/* Event cards */
.event-card-new {
    height: 100%;
    border: 1px solid var(--rn-line);
    border-radius: var(--rn-r-lg);
    background: white;
    overflow: hidden;
    transition: transform .2s, box-shadow .2s;
    display: flex; flex-direction: column;
    box-shadow: var(--rn-sd-sm);
}
.event-card-new:hover {
    transform: translateY(-4px);
    box-shadow: var(--rn-sd-lg);
}
.event-img-wrap { position: relative; flex-shrink: 0; }
.event-img-wrap img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    background: var(--rn-bg);
}
.event-status-pill {
    position: absolute;
    top: 10px; left: 10px;
    font-size: 11px;
    font-weight: 700;
    border-radius: 6px;
    padding: .3em .65em;
}
.event-card-body {
    padding: 16px;
    display: flex; flex-direction: column; flex: 1;
}
.event-card-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--rn-text);
    margin-bottom: 10px;
    letter-spacing: -.01em;
    line-height: 1.3;
}
.event-meta {
    display: flex; flex-direction: column; gap: 6px;
    font-size: 13px;
    color: var(--rn-muted);
    flex: 1;
    margin-bottom: 14px;
}
.event-meta span { display: flex; align-items: flex-start; gap: 7px; }
.event-meta i { color: var(--rn-primary); font-size: 13px; flex-shrink: 0; margin-top: 1px; }

/* Social links */
.social-links {
    display: flex; align-items: center; justify-content: center;
    gap: 10px; flex-wrap: wrap;
}
.social-link {
    width: 52px; height: 52px;
    border-radius: 14px;
    border: 1px solid var(--rn-line);
    background: white;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    color: var(--rn-muted);
    transition: all .15s;
}
.social-link:hover {
    border-color: var(--rn-primary);
    color: var(--rn-primary);
    background: var(--rn-primary-bg);
    transform: translateY(-2px);
}

/* Section layout */
.section-block { padding: 80px 0; }
.section-block + .section-block { border-top: 1px solid var(--rn-line); }

/* Section headings */
.section-title {
    font-size: clamp(1.45rem, 3vw, 2rem);
    font-weight: 800;
    margin-bottom: 8px;
}
.section-sub {
    font-size: 15px;
    color: var(--rn-muted);
    margin-bottom: 0;
    max-width: 560px;
}

@media (max-width: 767.98px) {
    .section-block { padding: 48px 0; }
}

/* Map */
.map-frame {
    width: 100%;
    border-radius: var(--rn-r-lg);
    border: 0;
    display: block;
    aspect-ratio: 16/9;
}

/* Sponsors */
.sponsor-img {
    max-width: 100%;
    height: auto;
    border-radius: var(--rn-r-lg);
    border: 1px solid var(--rn-line);
    display: block;
    margin: 0 auto 16px;
    box-shadow: var(--rn-sd-sm);
}

/* Visitor pill */
.visitor-footer {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    background: var(--rn-primary-bg);
    border: 1px solid rgba(37,99,235,.15);
    color: var(--rn-primary);
    font-size: 13px;
    font-weight: 700;
}

/* ================================================
   FOOTER
   ================================================ */

.rn-footer {
    background: var(--rn-surface);
    border-top: 1px solid var(--rn-line);
    margin-top: 0;
}
.rn-footer::before { display: none !important; }

.rn-footer-shell {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    padding: 48px 0 32px;
    border-bottom: 1px solid var(--rn-line);
}
.rn-footer-brand { max-width: 380px; }

.rn-footer-kicker {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 10px;
    background: var(--rn-accent-bg);
    border-radius: 999px;
    color: #0284c7;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-bottom: 12px;
}
.rn-footer-title {
    font-size: 16px;
    font-weight: 800;
    color: var(--rn-text);
    margin-bottom: 8px;
    letter-spacing: -.02em;
}
.rn-footer-copy {
    font-size: 13.5px;
    color: var(--rn-muted);
    line-height: 1.65;
    margin: 0;
}

.rn-footer-links { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.rn-footer-links a {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--rn-muted);
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid var(--rn-line);
    background: white;
    transition: all .15s;
}
.rn-footer-links a:hover {
    color: var(--rn-primary);
    border-color: rgba(37,99,235,.25);
    background: var(--rn-primary-bg);
}

.rn-footer-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    padding: 20px 0;
}
.rn-footer-meta .small { color: var(--rn-muted); font-size: 12.5px; }

/* ================================================
   COMPETITION PAGE
   ================================================ */

.comp-hero {
    background: var(--rn-surface);
    border: 1px solid var(--rn-line);
    border-radius: var(--rn-r-xl);
    box-shadow: var(--rn-sd-sm);
    padding: 32px;
    margin-bottom: 28px;
    text-align: center;
}
.comp-section-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}
.comp-card,
.card.comp-card {
    border: 1px solid var(--rn-line) !important;
    box-shadow: var(--rn-sd-sm) !important;
    border-radius: var(--rn-r-lg) !important;
    background: white !important;
    transition: transform .2s, box-shadow .2s;
}
.comp-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--rn-sd-lg) !important;
}
.completed-wrap {
    background: white;
    border: 1px solid var(--rn-line);
    border-radius: var(--rn-r-xl);
    box-shadow: var(--rn-sd-sm);
}

/* ================================================
   CONTACT PAGE
   ================================================ */

.contact-hero {
    background: var(--rn-surface);
    border: 1px solid var(--rn-line);
    border-radius: var(--rn-r-xl);
    box-shadow: var(--rn-sd-sm);
    padding: 32px;
    margin-bottom: 28px;
    text-align: center;
}
.contact-card-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    margin-bottom: 32px;
}
.contact-card {
    background: white;
    border: 1px solid var(--rn-line);
    border-radius: var(--rn-r-lg);
    box-shadow: var(--rn-sd-sm);
    padding: 24px 20px;
    text-align: center;
    width: 180px;
    transition: transform .2s, box-shadow .2s;
    display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--rn-sd-lg); }
.contact-card-icon {
    width: 52px; height: 52px;
    border-radius: 14px;
    background: var(--rn-primary-bg);
    color: var(--rn-primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 24px;
    margin-bottom: 4px;
}
.contact-card h3 { font-size: 14px; font-weight: 700; margin: 0; color: var(--rn-text); }
.contact-card p  { font-size: 12.5px; color: var(--rn-muted); margin: 0; }
.contact-card a  {
    margin-top: 4px;
    display: inline-block;
    padding: 7px 14px;
    background: var(--rn-primary);
    color: white;
    border-radius: var(--rn-r-sm);
    font-size: 12.5px;
    font-weight: 700;
    transition: background .15s;
}
.contact-card a:hover { background: var(--rn-primary-dk); color: white; }
.mail-card {
    border: 1px solid var(--rn-line) !important;
    box-shadow: var(--rn-sd-sm) !important;
    border-radius: var(--rn-r-xl) !important;
}

/* ================================================
   RESPONSIVE
   ================================================ */

@media (max-width: 991.98px) {
    body { padding-top: 64px !important; }

    .rn-navbar-shell {
        border-radius: 0 !important;
        padding: 0 !important;
    }
    .navbar-collapse {
        border-top: 1px solid var(--rn-line);
        background: white;
        padding: 10px 16px 14px !important;
    }
    .navbar-nav.main-nav {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 2px !important;
        margin-top: 0 !important;
        padding-top: 0 !important;
        border-top: none !important;
    }
    .navbar-nav.main-nav .nav-link { width: 100%; }
}

@media (max-width: 767.98px) {
    body { padding-top: 64px !important; }

    .hero-section  { padding: 32px 0 24px; }
    .hero-title    { font-size: 1.75rem; }
    .hero-sub      { font-size: 15px; max-width: 100%; }
    .hero-img      { max-width: 300px; margin: 24px auto 0; }

    .event-img-wrap img { height: 180px; }
    .feat-card          { padding: 18px; }

    .section-shell, .comp-hero, .contact-hero {
        border-radius: var(--rn-r-lg) !important;
        padding: 20px 16px !important;
    }

    .rn-footer-shell, .rn-footer-meta {
        flex-direction: column !important;
        align-items: flex-start !important;
    }
    .rn-footer-links { width: 100%; }

    .contact-card       { width: 145px; padding: 18px 12px; }
    .contact-card-icon  { width: 42px; height: 42px; font-size: 20px; }
}