html {
  font-size: 16px;
}

* { font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif; }

body {
  position: relative;
  min-height: 100%;
  margin-bottom: 60px;
  background: #fbfbfe;
  color: #1f2430;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

/* ===== Navbar ===== */
.navbar {
    box-shadow: 0 1px 0 rgba(17,24,39,.06);
    padding-top: .8rem;
    padding-bottom: .8rem;
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.25rem;
    color: #161a2b !important;
}

.navbar-brand i { color: #4f46e5; margin-right: .35rem; }

.navbar .nav-link {
    font-weight: 600;
    font-size: .87rem;
    color: #4b5563 !important;
    padding: .5rem .75rem !important;
    border-radius: 8px;
    transition: all .15s ease;
}

.navbar .nav-link:hover { color: #4f46e5 !important; background: #f3f4fd; }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, #0b1437 0%, #1e2a6e 55%, #4338ca 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(34,211,238,.18), transparent 45%),
              radial-gradient(circle at 85% 75%, rgba(99,102,241,.25), transparent 45%);
}

.hero > .container { position: relative; z-index: 1; }

.hero h1 { font-weight: 800; letter-spacing: -.5px; }
.hero .lead { opacity: .92; }

.hero .btn-light {
    font-weight: 700;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(0,0,0,.18);
}

.hero .btn-outline-light {
    font-weight: 700;
    border-radius: 10px;
    border-width: 1.5px;
}

/* ===== Cards / sections ===== */
.card.h-100.p-4, .card.p-4 {
    border-radius: 16px !important;
    transition: all .2s ease;
}

.card.h-100.p-4:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 32px rgba(17,24,39,.1) !important;
}

.card.border-0.shadow-sm { border-radius: 16px !important; }

h2, h3 { font-weight: 800; letter-spacing: -.4px; color: #161a2b; }

.list-group-item { border-color: #f0f1f7; }
.list-group-item-action:hover { background: #f5f6fe; }

.table thead th {
    background: #f8f9fc;
    font-weight: 700;
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: #6b7280;
}

.accordion-item { border-radius: 12px !important; overflow: hidden; margin-bottom: .5rem; border: 1px solid #eef0f7 !important; }
.accordion-button:not(.collapsed) { background: #eef0fe; color: #4338ca; }
.accordion-button:focus { box-shadow: none; }

.btn-primary {
    background: linear-gradient(135deg, #6366f1, #4338ca);
    border: none;
    border-radius: 10px;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(79,70,229,.28);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5558e0, #3730a3);
    transform: translateY(-1px);
}

.badge { font-weight: 600; border-radius: 7px; }

/* ===== Footer ===== */
.footer {
    background: #0b1437;
    color: rgba(255,255,255,.7);
    padding: 1.25rem 0;
}

.footer a { color: rgba(255,255,255,.85); text-decoration: none; }
.footer a:hover { color: #22d3ee; }