:root {
    --fi-primary-50:   #eff6ff;
    --fi-primary-100:  #dbeafe;
    --fi-primary-200:  #bfdbfe;
    --fi-primary-300:  #93c5fd;
    --fi-primary-400:  #60a5fa;
    --fi-primary-500:  #3b82f6;
    --fi-primary-600:  #2563eb;
    --fi-primary-700:  #1d4ed8;
    --fi-primary-800:  #1e40af;
    --fi-primary-900:  #1e3a8a;
    --fi-gray-50:  #fafafa;
    --fi-gray-100: #f4f4f5;
    --fi-gray-200: #e4e4e7;
    --fi-gray-300: #d4d4d8;
    --fi-gray-400: #a1a1aa;
    --fi-gray-500: #71717a;
    --fi-gray-600: #52525b;
    --fi-gray-700: #3f3f46;
    --fi-gray-800: #27272a;
    --fi-gray-900: #18181b;
    --fi-gray-950: #09090b;
    --fi-bg-body:   #f8f8f8;
    --fi-bg-card:   #ffffff;
    --fi-bg-sidebar:#1c1917;
    --fi-text-primary:   var(--fi-gray-950);
    --fi-text-secondary: var(--fi-gray-500);
    --fi-text-muted:     var(--fi-gray-400);
    --fi-border: var(--fi-gray-200);
    --fi-ring: var(--fi-primary-500);
    --fi-sidebar-w: 280px;
}

.dark {
    --fi-bg-body: #0a0a0b;
    --fi-bg-card: #18181b;
    --fi-bg-sidebar: #09090b;
    --fi-text-primary: #f4f4f5;
    --fi-text-secondary: #a1a1aa;
    --fi-text-muted: #71717a;
    --fi-border: #27272a;
    --fi-gray-50:  #18181b;
    --fi-gray-100: #27272a;
    --fi-gray-200: #3f3f46;
    --fi-gray-300: #52525b;
    --fi-gray-400: #71717a;
    --fi-gray-500: #a1a1aa;
    --fi-gray-600: #d4d4d8;
    --fi-gray-700: #e4e4e7;
    --fi-gray-800: #f4f4f5;
    --fi-gray-900: #fafafa;
    --fi-gray-950: #fafafa;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', ui-sans-serif, system-ui, sans-serif;
    font-size: 0.875rem;
    background: var(--fi-bg-body);
    color: var(--fi-text-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ─── Top Bar ─── */
.topbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 50;
    height: 56px;
    background: var(--fi-bg-card);
    border-bottom: 1px solid var(--fi-border);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 1.5rem;
}
.topbar-brand {
    display: flex; align-items: center; gap: 0.625rem;
    text-decoration: none;
}
.topbar-logo {
    width: 30px; height: 30px;
    background: var(--fi-primary-500);
    border-radius: 6px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.topbar-logo svg { width: 16px; height: 16px; fill: #fff; }
.topbar-name {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--fi-gray-900);
    letter-spacing: -0.01em;
}
.topbar-nav {
    display: flex; align-items: center; gap: 0.25rem;
    list-style: none;
}
.topbar-nav a {
    display: inline-flex; align-items: center; gap: 0.375rem;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.8125rem; font-weight: 500;
    color: var(--fi-gray-600);
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
}
.topbar-nav a:hover {
    background: var(--fi-gray-100);
    color: var(--fi-gray-900);
}
.topbar-actions { display: flex; align-items: center; gap: 0.5rem; }

.dark .topbar { background: var(--fi-bg-card); border-bottom-color: var(--fi-border); }
.dark .topbar-name { color: var(--fi-gray-900); }
.dark .topbar-nav a { color: var(--fi-gray-500); }
.dark .topbar-nav a:hover { background: var(--fi-gray-100); color: var(--fi-gray-800); }

/* ─── Buttons ─── */
.fi-btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 0.8125rem; font-weight: 500;
    cursor: pointer; text-decoration: none;
    border: 1px solid transparent;
    transition: background 0.15s, border-color 0.15s, color 0.15s, box-shadow 0.15s;
    letter-spacing: 0;
}
.fi-btn-outlined {
    background: transparent;
    border-color: var(--fi-border);
    color: var(--fi-gray-700);
}
.fi-btn-outlined:hover { background: var(--fi-gray-50); border-color: var(--fi-gray-300); }
.fi-btn-primary {
    background: var(--fi-primary-600);
    border-color: var(--fi-primary-600);
    color: #fff;
}
.fi-btn-primary:hover { background: var(--fi-primary-700); border-color: var(--fi-primary-700); }
.fi-btn-ghost-white {
    background: rgba(255,255,255,.1);
    color: rgba(255,255,255,.88);
    border: 1px solid rgba(255,255,255,.25);
}
.fi-btn-ghost-white:hover { background: rgba(255,255,255,.18); }
.fi-btn-white {
    background: #fff;
    color: var(--fi-primary-700);
    border: 1px solid transparent;
    font-weight: 600;
}
.fi-btn-white:hover { background: var(--fi-gray-50); }

.dark .fi-btn-outlined { border-color: var(--fi-border); color: var(--fi-gray-600); }
.dark .fi-btn-outlined:hover { background: var(--fi-gray-100); border-color: var(--fi-gray-400); }

.fi-mobile-btn {
    display: none;
    background: none; border: none; cursor: pointer;
    padding: 6px; border-radius: 6px;
}
.fi-mobile-btn:hover { background: var(--fi-gray-100); }
.fi-mobile-btn svg { width: 20px; height: 20px; stroke: var(--fi-gray-600); }
.dark .fi-mobile-btn:hover { background: var(--fi-gray-100); }
.dark .fi-mobile-btn svg { stroke: var(--fi-gray-500); }

/* ─── Section ─── */
.section { padding: 5rem 1.5rem; }
.section-inner { max-width: 1100px; margin: 0 auto; }
.fi-section-label {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 0.6875rem; font-weight: 600;
    color: var(--fi-primary-600);
    letter-spacing: 0.1em; text-transform: uppercase;
    margin-bottom: 0.5rem;
}
.fi-section-label::before {
    content: '';
    display: block; width: 12px; height: 2px;
    background: var(--fi-primary-500); border-radius: 2px;
}
.section-title {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 700;
    color: var(--fi-gray-900);
    letter-spacing: -0.025em;
    line-height: 1.2;
}
.section-sub {
    font-size: 0.9375rem; font-weight: 400;
    color: var(--fi-text-secondary);
    max-width: 480px; margin-top: 0.625rem;
    line-height: 1.7;
}
.dark .section-title { color: var(--fi-gray-900); }
.dark .section-sub { color: var(--fi-text-secondary); }
.dark .fi-section-label { color: var(--fi-primary-400); }

/* ─── Filament Card ─── */
.fi-card {
    background: var(--fi-bg-card);
    border: 1px solid var(--fi-border);
    border-radius: 12px;
    padding: 1.5rem;
    position: relative; overflow: hidden;
    transition: box-shadow 0.2s, border-color 0.2s;
    text-decoration: none; color: inherit;
    display: block;
}
.fi-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,.06), 0 1px 4px rgba(0,0,0,.04);
    border-color: var(--fi-gray-300);
}
.fi-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--card-strip, var(--fi-primary-500));
}
.fi-card-icon {
    width: 40px; height: 40px; border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 1.125rem;
    background: var(--icon-bg, var(--fi-primary-50));
}
.fi-card-icon svg { width: 20px; height: 20px; }
.fi-card h3 {
    font-size: 0.9375rem; font-weight: 600;
    color: var(--fi-gray-900);
    margin-bottom: 0.375rem;
    letter-spacing: -0.01em;
}
.fi-card p {
    font-size: 0.8125rem; font-weight: 400;
    color: var(--fi-text-secondary);
    line-height: 1.65;
}
.fi-card-link {
    display: inline-flex; align-items: center; gap: 4px;
    margin-top: 1.125rem;
    font-size: 0.8125rem; font-weight: 500;
    color: var(--link-color, var(--fi-primary-600));
    text-decoration: none;
}
.fi-card-link svg { width: 13px; height: 13px; transition: transform 0.15s; }
.fi-card:hover .fi-card-link svg { transform: translateX(3px); }

.dark .fi-card { background: var(--fi-bg-card); border-color: var(--fi-border); }
.dark .fi-card:hover { border-color: var(--fi-gray-400); box-shadow: 0 4px 16px rgba(0,0,0,.3); }
.dark .fi-card h3 { color: var(--fi-gray-800); }
.dark .fi-card p { color: var(--fi-text-secondary); }
.dark .fi-card-link { color: var(--fi-primary-400); }

/* ─── Badge ─── */
.fi-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.5;
}
.fi-badge-success { background: #22c55e; color: #fff; }
.fi-badge-danger { background: #ef4444; color: #fff; }
.fi-badge-warning { background: #f59e0b; color: #fff; }
.fi-badge-info { background: #3b82f6; color: #fff; }
.fi-badge-gray { background: #e5e7eb; color: #374151; }

/* ─── Hero ─── */
.hero {
    background: var(--fi-bg-sidebar);
    padding: 7.5rem 1.5rem 5rem;
    display: flex; flex-direction: column;
    align-items: center; text-align: center;
    position: relative; overflow: hidden;
}
.hero-glow {
    position: absolute; inset: 0; pointer-events: none;
    background:
        radial-gradient(ellipse 70% 50% at 50% 0%, rgba(59,130,246,.15) 0%, transparent 65%),
        radial-gradient(ellipse 50% 40% at 80% 80%, rgba(59,130,246,.07) 0%, transparent 60%);
}
.fi-badge-hero {
    display: inline-flex; align-items: center; gap: 6px;
    background: rgba(249,115,22,0.12);
    border: 1px solid rgba(249,115,22,0.25);
    border-radius: 9999px;
    padding: 4px 12px;
    font-size: 0.75rem; font-weight: 500;
    color: var(--fi-primary-300);
    letter-spacing: 0.04em;
    margin-bottom: 1.75rem;
}
.fi-badge-dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--fi-primary-400);
}
.hero h1 {
    font-size: clamp(2rem, 5vw, 3.75rem);
    font-weight: 700;
    color: #fff;
    line-height: 1.1;
    letter-spacing: -0.03em;
    max-width: 780px;
}
.hero h1 .accent { color: var(--fi-primary-400); }
.hero-sub {
    margin-top: 1.25rem;
    font-size: 1rem; font-weight: 400;
    color: rgba(255,255,255,.5);
    max-width: 520px; line-height: 1.75;
}
.hero-actions {
    display: flex; align-items: center; gap: 0.75rem;
    margin-top: 2.5rem; flex-wrap: wrap; justify-content: center;
}
.hero-stats {
    display: flex; align-items: center; gap: 2.5rem;
    margin-top: 4rem; padding-top: 3rem;
    border-top: 1px solid rgba(255,255,255,.08);
    flex-wrap: wrap; justify-content: center;
}
.hero-stat { text-align: center; }
.hero-stat-num {
    font-size: 1.625rem; font-weight: 700;
    color: var(--fi-primary-400);
    letter-spacing: -0.02em;
}
.hero-stat-label {
    font-size: 0.6875rem; font-weight: 500;
    color: rgba(255,255,255,.35);
    letter-spacing: 0.06em; text-transform: uppercase;
    margin-top: 3px;
}
.hero-divider { width: 1px; height: 36px; background: rgba(255,255,255,.1); }

/* ─── Features ─── */
.features {
    background: var(--fi-bg-sidebar);
    padding: 5rem 1.5rem;
}
.features .fi-section-label { color: var(--fi-primary-400); }
.features .fi-section-label::before { background: var(--fi-primary-500); }
.features .section-title { color: #fff; }
.features .section-sub { color: rgba(255,255,255,.42); }
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.06);
    border-radius: 12px;
    overflow: hidden;
    margin-top: 2.5rem;
}
.feature-item {
    padding: 1.5rem;
    background: rgba(255,255,255,.025);
    transition: background 0.15s;
}
.feature-item:hover { background: rgba(255,255,255,.05); }
.feature-num {
    font-size: 0.6875rem; font-weight: 700;
    color: var(--fi-primary-500);
    letter-spacing: 0.08em;
    margin-bottom: 0.75rem;
    font-variant-numeric: tabular-nums;
}
.feature-item h4 {
    font-size: 0.875rem; font-weight: 600;
    color: rgba(255,255,255,.88);
    margin-bottom: 0.375rem;
    letter-spacing: -0.01em;
}
.feature-item p {
    font-size: 0.8125rem; font-weight: 400;
    color: rgba(255,255,255,.38);
    line-height: 1.65;
}

/* ─── Portals ─── */
.portals { background: var(--fi-bg-body); }
.portal-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 2.5rem;
}
.card-applicant { --card-strip: #3b82f6; --icon-bg: #eff6ff; --link-color: #2563eb; }
.card-applicant .fi-card-icon svg { stroke: #2563eb; }
.card-teaching  { --card-strip: #22c55e; --icon-bg: #f0fdf4; --link-color: #16a34a; }
.card-teaching .fi-card-icon svg  { stroke: #16a34a; }
.card-nonteach  { --card-strip: var(--fi-primary-500); --icon-bg: var(--fi-primary-50); --link-color: var(--fi-primary-600); }
.card-nonteach .fi-card-icon svg  { stroke: var(--fi-primary-700); }
.dark .portals { background: var(--fi-bg-body); }
.dark .card-applicant .fi-card-icon svg { stroke: #60a5fa; }
.dark .card-teaching .fi-card-icon svg { stroke: #4ade80; }
.dark .card-nonteach .fi-card-icon svg { stroke: var(--fi-primary-400); }

/* ─── Announcements ─── */
.announcements { background: var(--fi-bg-body); }
.announce-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 1.25rem;
    margin-top: 2.5rem;
    align-items: start;
}
.announce-list { display: flex; flex-direction: column; gap: 0.625rem; }
.announce-item {
    background: var(--fi-bg-card);
    border: 1px solid var(--fi-border);
    border-radius: 10px;
    padding: 1rem 1.125rem;
    display: flex; gap: 1rem; align-items: flex-start;
    transition: box-shadow 0.15s;
}
.announce-item:hover { box-shadow: 0 2px 8px rgba(0,0,0,.05); }
.announce-body h4 {
    font-size: 0.875rem; font-weight: 500;
    color: var(--fi-gray-900);
    margin-bottom: 2px;
}
.announce-body p {
    font-size: 0.8125rem;
    color: var(--fi-text-secondary);
}
.dark .announcements { background: var(--fi-bg-body); }
.dark .announce-item { background: var(--fi-bg-card); border-color: var(--fi-border); }
.dark .announce-item:hover { box-shadow: 0 2px 8px rgba(0,0,0,.3); }
.dark .announce-body h4 { color: var(--fi-gray-800); }
.dark .announce-body p { color: var(--fi-text-secondary); }

/* ─── Widget ─── */
.fi-widget {
    background: var(--fi-bg-card);
    border: 1px solid var(--fi-border);
    border-radius: 10px;
    overflow: hidden;
}
.fi-widget-header {
    padding: 0.875rem 1.125rem;
    border-bottom: 1px solid var(--fi-border);
    font-size: 0.8125rem; font-weight: 600;
    color: var(--fi-gray-700);
}
.fi-widget-body { padding: 0.5rem; }
.fi-nav-item {
    display: flex; align-items: center; gap: 0.625rem;
    padding: 8px 10px;
    border-radius: 7px;
    text-decoration: none;
    font-size: 0.8125rem; font-weight: 500;
    color: var(--fi-gray-700);
    transition: background 0.12s, color 0.12s;
}
.fi-nav-item:hover {
    background: var(--fi-gray-100);
    color: var(--fi-gray-900);
}
.fi-nav-icon {
    width: 28px; height: 28px; border-radius: 6px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.fi-nav-icon svg { width: 14px; height: 14px; }
.dark .fi-widget { background: var(--fi-bg-card); border-color: var(--fi-border); }
.dark .fi-widget-header { border-bottom-color: var(--fi-border); color: var(--fi-gray-700); }
.dark .fi-nav-item { color: var(--fi-gray-600); }
.dark .fi-nav-item:hover { background: var(--fi-gray-100); color: var(--fi-gray-800); }

/* ─── CTA Banner ─── */
.cta-wrap { padding: 0 1.5rem 5rem; }
.cta-banner {
    background: linear-gradient(135deg, var(--fi-primary-600) 0%, var(--fi-primary-700) 100%);
    border-radius: 16px;
    padding: 3rem 2.5rem;
    max-width: 1100px; margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
    gap: 2rem; flex-wrap: wrap;
    position: relative; overflow: hidden;
}
.cta-banner::after {
    content: '';
    position: absolute; right: -60px; top: -60px;
    width: 260px; height: 260px; border-radius: 50%;
    background: rgba(255,255,255,.07); pointer-events: none;
}
.cta-banner h2 {
    font-size: 1.5rem; font-weight: 700;
    color: #fff; letter-spacing: -0.02em;
    margin-bottom: 0.375rem;
}
.cta-banner p {
    font-size: 0.9375rem;
    color: rgba(255,255,255,.7);
    max-width: 440px; line-height: 1.65;
}

/* ─── Footer ─── */
footer {
    background: var(--fi-bg-sidebar);
    padding: 3rem 1.5rem 1.75rem;
    border-top: 1px solid rgba(255,255,255,.06);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2.5rem;
    max-width: 1100px; margin: 0 auto 2.5rem;
}
.footer-brand p {
    font-size: 0.8125rem; font-weight: 400;
    color: rgba(255,255,255,.38);
    line-height: 1.7; margin-top: 0.75rem;
    max-width: 240px;
}
.footer-col h4 {
    font-size: 0.6875rem; font-weight: 600;
    color: rgba(255,255,255,.6);
    letter-spacing: 0.09em; text-transform: uppercase;
    margin-bottom: 0.875rem;
}
.footer-col a {
    display: block; text-decoration: none;
    font-size: 0.8125rem; font-weight: 400;
    color: rgba(255,255,255,.35);
    padding: 3px 0;
    transition: color 0.15s;
}
.footer-col a:hover { color: rgba(255,255,255,.8); }
.footer-bottom {
    display: flex; align-items: center; justify-content: space-between;
    max-width: 1100px; margin: 0 auto;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,.06);
    font-size: 0.75rem;
    color: rgba(255,255,255,.25);
    flex-wrap: wrap; gap: 0.5rem;
}

.dark footer { background: var(--fi-bg-sidebar); }
.dark .footer-col a { color: rgba(255,255,255,.3); }
.dark .footer-col a:hover { color: rgba(255,255,255,.7); }
.dark .footer-brand p { color: rgba(255,255,255,.3); }
.dark .footer-bottom { border-top-color: rgba(255,255,255,.06); color: rgba(255,255,255,.2); }

/* ─── Animations ─── */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ─── Responsive ─── */
@media (max-width: 1024px) {
    .portal-grid    { grid-template-columns: 1fr 1fr; }
    .features-grid  { grid-template-columns: 1fr 1fr; }
    .announce-layout{ grid-template-columns: 1fr; }
    .footer-grid    { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .topbar-nav, .topbar-actions .fi-btn-outlined:not(.fi-btn-keep) { display: none; }
    .fi-mobile-btn { display: flex; }
    .portal-grid   { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; }
    .features-grid { grid-template-columns: 1fr; }
    .footer-grid   { grid-template-columns: 1fr; }
}
@media (max-width: 540px) {
    .hero-stats     { flex-direction: column; gap: 1.5rem; }
    .hero-divider   { display: none; }
    .cta-banner     { padding: 2rem 1.5rem; }
}