/* =====================================================================
   ER Medics — design system
   Light + dark via [data-bs-theme]. Bootstrap 5.3 + custom tokens.
   ===================================================================== */

:root,
[data-bs-theme="light"] {
    --er-primary: #c1272d;
    --er-primary-600: #a01f25;
    --er-primary-50: #fdecee;
    --er-accent:  #1f3a8a;
    --er-accent-50: #eef2ff;
    --er-success: #16a34a;
    --er-warn:    #d97706;
    --er-danger:  #dc2626;
    --er-info:    #0284c7;

    --er-bg:        #f6f8fb;
    --er-surface:   #ffffff;
    --er-surface-2: #f1f3f7;
    --er-border:    #e6e9ef;
    --er-text:      #0f172a;
    --er-muted:     #6b7280;

    --er-shadow-sm: 0 1px 2px rgba(15, 23, 42, .04);
    --er-shadow:    0 4px 12px -2px rgba(15, 23, 42, .06), 0 2px 4px -2px rgba(15, 23, 42, .04);
    --er-shadow-lg: 0 20px 40px -12px rgba(15, 23, 42, .12);

    --er-radius:    14px;
    --er-radius-sm: 10px;
    --er-radius-lg: 18px;
}

[data-bs-theme="dark"] {
    --er-primary:    #ef4444;
    --er-primary-600:#dc2626;
    --er-primary-50: #2a1416;
    --er-accent:     #6366f1;
    --er-accent-50:  #1e1f3b;

    --er-bg:        #0b1220;
    --er-surface:   #111a2e;
    --er-surface-2: #16213a;
    --er-border:    #24304a;
    --er-text:      #e5e9f2;
    --er-muted:     #94a3b8;

    --er-shadow-sm: 0 1px 2px rgba(0, 0, 0, .35);
    --er-shadow:    0 6px 24px -4px rgba(0, 0, 0, .45);
    --er-shadow-lg: 0 24px 48px -16px rgba(0, 0, 0, .6);

    color-scheme: dark;
}

/* ---------- Global resets / typography -------------------------------- */
html, body {
    background-color: var(--er-bg);
    color: var(--er-text);
}
body {
    font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
    font-feature-settings: "cv11", "ss01";
    -webkit-font-smoothing: antialiased;
    letter-spacing: -.005em;
}
::selection { background: var(--er-primary-50); color: var(--er-primary-600); }
h1, h2, h3, h4, h5, h6 { letter-spacing: -.018em; }

/* ---------- Layout: shell, sidebar, topbar ---------------------------- */
.app-shell {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}
.app-shell.collapsed { grid-template-columns: 78px 1fr; }
@media (max-width: 992px) {
    .app-shell { grid-template-columns: 1fr; }
}

.sidebar {
    background: var(--er-surface);
    border-right: 1px solid var(--er-border);
    position: sticky; top: 0;
    height: 100vh; overflow-y: auto;
    z-index: 30;
    transition: all .2s ease;
}
.sidebar::-webkit-scrollbar { width: 6px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--er-border); border-radius: 999px; }

.sidebar .brand {
    display: block;
    padding: 16px 18px;
    border-bottom: 1px solid var(--er-border);
}
/* brand-mark and brand-text removed — logo image used instead */

.app-shell.collapsed .sidebar .nav-link span { display: none; }
.app-shell.collapsed .sidebar .nav-link { justify-content: center; padding: 12px 0; }

.sidebar .nav-header {
    font-size: .68rem;
    text-transform: uppercase;
    letter-spacing: .12em;
    color: var(--er-muted);
    padding: 16px 18px 6px;
    font-weight: 600;
}
.sidebar .nav-link {
    display: flex; align-items: center; gap: 12px;
    color: var(--er-text);
    padding: 10px 14px; margin: 2px 10px;
    border-radius: 10px; font-size: .92rem; font-weight: 500;
    transition: background .15s, color .15s;
}
.sidebar .nav-link i { font-size: 1.05rem; width: 22px; text-align: center; }
.sidebar .nav-link:hover {
    background: var(--er-surface-2);
    color: var(--er-primary);
}
.sidebar .nav-link.active {
    background: var(--er-primary-50);
    color: var(--er-primary-600);
    font-weight: 600;
}
[data-bs-theme="dark"] .sidebar .nav-link.active {
    background: rgba(239, 68, 68, .12);
    color: #fca5a5;
}

/* Topbar */
.topbar {
    position: sticky; top: 0; z-index: 20;
    background: var(--er-surface);
    border-bottom: 1px solid var(--er-border);
    padding: 12px 22px;
    display: flex; align-items: center; gap: 14px;
    backdrop-filter: blur(8px);
}
.topbar .btn-icon {
    width: 38px; height: 38px;
    border-radius: 10px;
    background: var(--er-surface-2);
    border: 1px solid var(--er-border);
    color: var(--er-text);
    display: grid; place-items: center;
    transition: background .15s, transform .1s;
}
.topbar .btn-icon:hover { background: var(--er-primary-50); color: var(--er-primary-600); }
.topbar .btn-icon:active { transform: scale(.95); }

.topbar .search {
    flex: 1; max-width: 480px;
    position: relative;
}
.topbar .search input {
    width: 100%; height: 38px;
    border: 1px solid var(--er-border);
    background: var(--er-surface-2);
    border-radius: 10px;
    padding: 0 12px 0 38px;
    color: var(--er-text);
    font-size: .92rem;
}
.topbar .search input:focus { outline: 2px solid var(--er-primary-50); border-color: var(--er-primary); }
.topbar .search .bi-search {
    position: absolute; left: 13px; top: 50%; transform: translateY(-50%);
    color: var(--er-muted);
}

.user-pill {
    display: flex; align-items: center; gap: 10px;
    padding: 4px 10px 4px 4px;
    border-radius: 999px;
    background: var(--er-surface-2);
    color: var(--er-text);
    border: 1px solid var(--er-border);
}
.user-pill:hover { background: var(--er-primary-50); color: var(--er-primary-600); }
.user-pill .avatar {
    width: 30px; height: 30px; border-radius: 999px;
    background: linear-gradient(135deg, var(--er-primary), var(--er-accent));
    color: #fff; display: grid; place-items: center;
    font-weight: 600; font-size: .78rem;
}

/* Main content area */
.app-main {
    background: var(--er-bg);
    min-height: 100vh;
    display: flex; flex-direction: column;
}
.page-body { padding: 24px; flex: 1; }
@media (max-width: 576px) { .page-body { padding: 16px; } }

/* Page header */
.page-header {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    margin-bottom: 18px; flex-wrap: wrap;
}
.page-header h1 {
    font-size: 1.5rem; font-weight: 700; margin: 0;
}
.page-header .subtitle { color: var(--er-muted); font-size: .9rem; margin-top: 2px; }

/* ---------- Cards ----------------------------------------------------- */
.card-er {
    background: var(--er-surface);
    border: 1px solid var(--er-border);
    border-radius: var(--er-radius);
    box-shadow: var(--er-shadow-sm);
}
.card-er + .card-er { margin-top: 14px; }
.card-er-pad { padding: 20px 22px; }
.card-er-head {
    padding: 16px 22px;
    border-bottom: 1px solid var(--er-border);
    display: flex; align-items: center; justify-content: space-between;
}
.card-er-head h2, .card-er-head h3 { font-size: 1rem; margin: 0; font-weight: 600; }

/* Stat cards */
.stat-card {
    background: var(--er-surface);
    border: 1px solid var(--er-border);
    border-radius: var(--er-radius);
    padding: 18px 20px;
    box-shadow: var(--er-shadow-sm);
    position: relative; overflow: hidden;
    transition: transform .15s ease, box-shadow .15s ease;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--er-shadow); }
.stat-card .stat-icon {
    width: 44px; height: 44px; border-radius: 12px;
    display: grid; place-items: center;
    background: var(--er-primary-50); color: var(--er-primary-600);
    font-size: 1.2rem;
}
.stat-card .stat-icon.accent { background: var(--er-accent-50); color: var(--er-accent); }
.stat-card .stat-icon.success { background: rgba(22, 163, 74, .12); color: var(--er-success); }
.stat-card .stat-icon.warn { background: rgba(217, 119, 6, .12); color: var(--er-warn); }
.stat-card .stat-label { color: var(--er-muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; font-weight: 600; }
.stat-card .stat-value { font-size: 1.9rem; font-weight: 700; line-height: 1.1; margin-top: 4px; }
.stat-card .stat-trend { font-size: .78rem; color: var(--er-muted); margin-top: 4px; }
.stat-card .stat-trend.up { color: var(--er-success); }
.stat-card .stat-trend.down { color: var(--er-danger); }

/* ---------- Tables ---------------------------------------------------- */
.table-er {
    --bs-table-bg: transparent;
    --bs-table-color: var(--er-text);
    --bs-table-border-color: var(--er-border);
    width: 100%; margin: 0;
}
.table-er thead th {
    font-size: .72rem; text-transform: uppercase; letter-spacing: .08em;
    color: var(--er-muted); font-weight: 600;
    border-bottom: 1px solid var(--er-border) !important;
    background: var(--er-surface-2);
    padding: 12px 18px;
    white-space: nowrap;
}
.table-er tbody td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--er-border);
    vertical-align: middle;
    color: var(--er-text);
}
.table-er tbody tr:hover td { background: var(--er-surface-2); }
.table-er tbody tr:last-child td { border-bottom: none; }
.table-er code {
    background: var(--er-surface-2);
    padding: 2px 6px; border-radius: 6px; font-size: .82em;
    color: var(--er-text);
}

.table-wrap {
    background: var(--er-surface);
    border: 1px solid var(--er-border);
    border-radius: var(--er-radius);
    box-shadow: var(--er-shadow-sm);
    overflow: hidden;
}

/* Avatar bubble for table rows */
.avatar-bubble {
    width: 36px; height: 36px; border-radius: 999px;
    background: linear-gradient(135deg, var(--er-primary), var(--er-accent));
    color: #fff; display: inline-grid; place-items: center;
    font-weight: 600; font-size: .78rem; flex-shrink: 0;
}

/* Badges */
.badge-soft { padding: 4px 10px; font-weight: 500; border-radius: 6px; font-size: .75rem; }
.badge-soft-success { background: rgba(22, 163, 74, .12); color: var(--er-success); }
.badge-soft-warn    { background: rgba(217, 119, 6, .12); color: var(--er-warn); }
.badge-soft-danger  { background: rgba(220, 38, 38, .12); color: var(--er-danger); }
.badge-soft-info    { background: rgba(2, 132, 199, .12); color: var(--er-info); }
.badge-soft-muted   { background: var(--er-surface-2); color: var(--er-muted); }
.badge-soft-primary { background: var(--er-primary-50); color: var(--er-primary-600); }

/* ---------- Buttons --------------------------------------------------- */
.btn { font-weight: 500; border-radius: 10px; padding: 8px 16px; transition: all .15s; }
.btn-primary {
    background: var(--er-primary);
    border-color: var(--er-primary);
}
.btn-primary:hover, .btn-primary:focus {
    background: var(--er-primary-600);
    border-color: var(--er-primary-600);
}
.btn-outline-primary {
    color: var(--er-primary); border-color: var(--er-primary);
}
.btn-outline-primary:hover {
    background: var(--er-primary); border-color: var(--er-primary); color: #fff;
}
.btn-soft {
    background: var(--er-surface-2);
    color: var(--er-text);
    border: 1px solid var(--er-border);
}
.btn-soft:hover { background: var(--er-primary-50); color: var(--er-primary-600); border-color: var(--er-primary-50); }
.btn-sm.btn-icon-only { width: 32px; height: 32px; padding: 0; display: inline-grid; place-items: center; }

/* ---------- Forms ----------------------------------------------------- */
.form-control, .form-select {
    background: var(--er-surface);
    border-color: var(--er-border);
    color: var(--er-text);
    border-radius: 10px;
    padding: 10px 14px;
    transition: border-color .15s, box-shadow .15s;
}
.form-control:focus, .form-select:focus {
    border-color: var(--er-primary);
    box-shadow: 0 0 0 4px var(--er-primary-50);
    background: var(--er-surface);
    color: var(--er-text);
}
.form-control::placeholder { color: var(--er-muted); }
.form-label { font-weight: 500; color: var(--er-text); margin-bottom: 6px; font-size: .88rem; }
.form-text { color: var(--er-muted); }
.invalid-feedback { font-size: .82rem; }
.form-check-input {
    border-color: var(--er-border);
    background-color: var(--er-surface);
}
.form-check-input:checked {
    background-color: var(--er-primary);
    border-color: var(--er-primary);
}

/* Floating labels */
.form-floating > label { color: var(--er-muted); }
.form-floating > .form-control,
.form-floating > .form-select { padding-top: 1.5rem; padding-bottom: .375rem; }

/* ---------- Alerts ---------------------------------------------------- */
.alert {
    border: 1px solid transparent;
    border-radius: 10px;
    padding: 12px 16px;
    font-size: .9rem;
}
.alert-success { background: rgba(22, 163, 74, .08); color: var(--er-success); border-color: rgba(22, 163, 74, .2); }
.alert-danger  { background: rgba(220, 38, 38, .08); color: var(--er-danger);  border-color: rgba(220, 38, 38, .2); }
.alert-warning { background: rgba(217, 119, 6, .08); color: var(--er-warn);    border-color: rgba(217, 119, 6, .2); }

/* ---------- Backward-compat aliases ----------------------------------- */
/* Older Blade views use .content-card — map it to the new card style. */
.content-card {
    background: var(--er-surface);
    border: 1px solid var(--er-border);
    border-radius: var(--er-radius);
    box-shadow: var(--er-shadow-sm);
    padding: 20px 22px;
}
.content-card + .content-card { margin-top: 14px; }

/* ---------- Misc utilities -------------------------------------------- */
.text-muted, .text-secondary { color: var(--er-muted) !important; }
hr { border-color: var(--er-border); opacity: 1; }

.divider { height: 1px; background: var(--er-border); margin: 14px 0; }

.empty-state {
    text-align: center; padding: 56px 20px; color: var(--er-muted);
}
.empty-state i { font-size: 2.4rem; opacity: .5; display: block; margin-bottom: 8px; }

/* Hero card (dashboard) */
.hero-card {
    background: linear-gradient(135deg, var(--er-primary) 0%, var(--er-primary-600) 100%);
    color: #fff;
    border-radius: var(--er-radius-lg);
    padding: 28px 30px;
    box-shadow: 0 16px 40px -16px rgba(193, 39, 45, .5);
    position: relative; overflow: hidden;
}
.hero-card::after {
    content: ""; position: absolute; right: -60px; top: -60px;
    width: 220px; height: 220px; border-radius: 999px;
    background: rgba(255, 255, 255, .08);
}
.hero-card::before {
    content: ""; position: absolute; right: 40px; bottom: -80px;
    width: 160px; height: 160px; border-radius: 999px;
    background: rgba(255, 255, 255, .06);
}
.hero-card h1 { font-size: 1.6rem; font-weight: 700; margin: 0; position: relative; z-index: 1; }
.hero-card p  { opacity: .9; margin: 6px 0 0; position: relative; z-index: 1; }

/* Quick action buttons (dashboard) */
.quick-action {
    display: flex; align-items: center; gap: 14px;
    padding: 14px 16px;
    background: var(--er-surface);
    border: 1px solid var(--er-border);
    border-radius: 12px;
    color: var(--er-text);
    transition: all .15s;
}
.quick-action:hover {
    border-color: var(--er-primary);
    transform: translateY(-1px);
    box-shadow: var(--er-shadow);
    color: var(--er-text);
}
.quick-action .icon {
    width: 40px; height: 40px; border-radius: 10px;
    background: var(--er-primary-50);
    color: var(--er-primary-600);
    display: grid; place-items: center;
    font-size: 1.1rem;
}
.quick-action .label { font-weight: 600; font-size: .92rem; }
.quick-action .desc  { font-size: .78rem; color: var(--er-muted); }

/* Pagination overrides */
.pagination .page-link {
    color: var(--er-text);
    background: var(--er-surface);
    border-color: var(--er-border);
    border-radius: 8px !important;
    margin: 0 2px;
    padding: 6px 12px;
    font-size: .88rem;
}
.pagination .page-link:hover {
    background: var(--er-surface-2);
    color: var(--er-primary);
}
.pagination .page-item.active .page-link {
    background: var(--er-primary);
    border-color: var(--er-primary);
    color: #fff;
}
.pagination .page-item.disabled .page-link { color: var(--er-muted); background: var(--er-surface-2); }

/* Modal */
.modal-content {
    background: var(--er-surface);
    color: var(--er-text);
    border: 1px solid var(--er-border);
    border-radius: var(--er-radius);
    box-shadow: var(--er-shadow-lg);
}
.modal-header, .modal-footer { border-color: var(--er-border); }

/* Dropdown */
.dropdown-menu {
    background: var(--er-surface);
    border: 1px solid var(--er-border);
    box-shadow: var(--er-shadow-lg);
    border-radius: var(--er-radius-sm);
    padding: 6px;
}
.dropdown-item { border-radius: 8px; padding: 8px 12px; color: var(--er-text); font-size: .9rem; }
.dropdown-item:hover, .dropdown-item:focus { background: var(--er-surface-2); color: var(--er-primary); }
.dropdown-divider { border-color: var(--er-border); }

/* Auth (guest) layout */
.auth-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr;
    align-items: center;
    justify-items: center;
    background:
        radial-gradient(900px 600px at 90% -10%, var(--er-primary-50) 0%, transparent 60%),
        radial-gradient(700px 500px at -10% 110%, var(--er-accent-50) 0%, transparent 60%),
        var(--er-bg);
    padding: 24px;
}
.auth-card {
    width: 100%; max-width: 440px;
    background: var(--er-surface);
    border: 1px solid var(--er-border);
    border-radius: var(--er-radius-lg);
    padding: 32px;
    box-shadow: var(--er-shadow-lg);
}
.auth-brand {
    display: block;
    text-align: center;
    margin-bottom: 22px;
}
.auth-brand .title { font-weight: 700; font-size: 1.2rem; }
.auth-brand .subtitle { font-size: .8rem; color: var(--er-muted); }

/* Verify result panels */
.verify-result {
    width: 100%; max-width: 540px;
    background: var(--er-surface);
    border: 1px solid var(--er-border);
    border-radius: var(--er-radius-lg);
    padding: 36px;
    box-shadow: var(--er-shadow-lg);
    text-align: center;
}
.verify-icon {
    width: 72px; height: 72px; border-radius: 999px;
    display: inline-grid; place-items: center;
    font-size: 2rem; margin-bottom: 14px;
}
.verify-icon.ok      { background: rgba(22, 163, 74, .12);  color: var(--er-success); }
.verify-icon.warn    { background: rgba(217, 119, 6, .12);  color: var(--er-warn); }
.verify-icon.danger  { background: rgba(220, 38, 38, .12);  color: var(--er-danger); }

/* Certificate PDF page-specific styles live in the PDF blade itself. */

/* ---------- Public site ----------------------------------------------- */
.public-nav {
    position: sticky; top: 0; z-index: 50;
    background: var(--er-surface);
    border-bottom: 1px solid var(--er-border);
}
.nav-link-public {
    color: var(--er-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: .92rem;
    padding: 6px 10px;
    border-radius: 8px;
    transition: color .15s, background .15s;
}
.nav-link-public:hover, .nav-link-public.active {
    color: var(--er-primary-600);
    background: var(--er-primary-50);
}

.cart-badge {
    position: absolute; top: -4px; right: -4px;
    background: var(--er-primary);
    color: #fff;
    border-radius: 999px;
    font-size: .68rem; font-weight: 700;
    min-width: 18px; height: 18px;
    display: inline-grid; place-items: center;
    padding: 0 5px;
    border: 2px solid var(--er-surface);
}

.public-hero {
    padding: 80px 0 60px;
    background:
        radial-gradient(800px 500px at 90% -20%, var(--er-primary-50) 0%, transparent 60%),
        radial-gradient(700px 500px at -10% 110%, var(--er-accent-50) 0%, transparent 60%);
}
.public-hero h1 { font-size: clamp(2rem, 4.5vw, 3.4rem); font-weight: 800; letter-spacing: -.02em; line-height: 1.1; }
.public-hero p  { color: var(--er-muted); font-size: 1.05rem; max-width: 640px; }

.section { padding: 64px 0; }
.section h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); font-weight: 700; letter-spacing: -.015em; }
.section .lede { color: var(--er-muted); font-size: 1rem; max-width: 720px; }

.service-card {
    background: var(--er-surface);
    border: 1px solid var(--er-border);
    border-radius: var(--er-radius);
    padding: 0;
    height: 100%;
    transition: transform .15s, box-shadow .15s, border-color .15s;
    display: flex; flex-direction: column;
    overflow: hidden;
}
.service-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--er-shadow);
    border-color: var(--er-primary-50);
}
.service-card-media {
    display: block;
    height: 280px;
    background: var(--er-surface-2);
    background-size: cover;
    background-position: center 20%;
    background-repeat: no-repeat;
    transition: transform .4s ease;
}
.service-card:hover .service-card-media { transform: scale(1.04); }
.service-card-body {
    flex-grow: 1;
    padding: 22px;
    display: flex; flex-direction: column;
}
.service-card-body .icon {
    width: 48px; height: 48px; border-radius: 12px;
    background: var(--er-primary-50); color: var(--er-primary-600);
    display: grid; place-items: center; font-size: 1.4rem;
    margin-bottom: 12px;
}

.course-card {
    background: var(--er-surface);
    border: 1px solid var(--er-border);
    border-radius: var(--er-radius);
    padding: 22px;
    height: 100%;
    transition: transform .15s, box-shadow .15s, border-color .15s;
    display: flex; flex-direction: column;
}
.course-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--er-shadow);
    border-color: var(--er-primary-50);
}
.course-card .icon {
    width: 48px; height: 48px; border-radius: 12px;
    background: var(--er-primary-50); color: var(--er-primary-600);
    display: grid; place-items: center; font-size: 1.4rem;
    margin-bottom: 12px;
}

.course-card .fee { font-weight: 700; color: var(--er-text); font-size: 1.05rem; }
.course-card .meta { color: var(--er-muted); font-size: .82rem; }
.course-card .cta { margin-top: auto; padding-top: 14px; display: flex; gap: 8px; }

.public-footer {
    background: var(--er-surface);
    border-top: 1px solid var(--er-border);
    margin-top: 60px;
}

/* Public categories filter pills */
.category-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.category-pill {
    padding: 6px 14px;
    border-radius: 999px;
    background: var(--er-surface);
    border: 1px solid var(--er-border);
    color: var(--er-text);
    font-size: .85rem; font-weight: 500;
    text-decoration: none;
}
.category-pill:hover { border-color: var(--er-primary); color: var(--er-primary-600); }
.category-pill.active {
    background: var(--er-primary); border-color: var(--er-primary); color: #fff;
}

/* Cart styling */
.cart-row {
    background: var(--er-surface);
    border: 1px solid var(--er-border);
    border-radius: var(--er-radius);
    padding: 16px 18px;
    display: flex; align-items: center; gap: 14px;
}
.cart-row + .cart-row { margin-top: 10px; }
.cart-row .thumb {
    width: 56px; height: 56px; border-radius: 10px;
    background: var(--er-primary-50); color: var(--er-primary-600);
    display: grid; place-items: center; font-size: 1.4rem; flex-shrink: 0;
}

/* Booking status badges */
.status-pending   { background: rgba(217, 119, 6, .12); color: var(--er-warn); }
.status-contacted { background: rgba(2, 132, 199, .12); color: var(--er-info); }
.status-confirmed { background: rgba(22, 163, 74, .12); color: var(--er-success); }
.status-cancelled { background: rgba(220, 38, 38, .12); color: var(--er-danger); }
.status-converted { background: rgba(99, 102, 241, .12); color: var(--er-accent); }

/* Timeline (booking activity) */
.timeline { position: relative; padding-left: 30px; }
.timeline::before {
    content: ""; position: absolute; left: 11px; top: 4px; bottom: 4px;
    width: 2px; background: var(--er-border);
}
.timeline-item { position: relative; padding-bottom: 18px; }
.timeline-item::before {
    content: ""; position: absolute; left: -23px; top: 6px;
    width: 12px; height: 12px; border-radius: 999px;
    background: var(--er-primary); border: 3px solid var(--er-surface);
    box-shadow: 0 0 0 2px var(--er-border);
}

/* ---------- Hero carousel (landing page) ------------------------------ */
.hero-carousel {
    position: relative;
    background: linear-gradient(135deg, var(--er-primary) 0%, var(--er-primary-600) 100%);
}
.hero-slide {
    min-height: 560px;
    background-size: cover;
    background-position: center;
    color: #fff;
    display: flex; align-items: center;
    position: relative;
}
.hero-slide::before {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, .55) 0%, rgba(15, 23, 42, .15) 60%, transparent 100%);
    pointer-events: none;
}
.hero-slide > .container { position: relative; z-index: 1; }

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, .14);
    backdrop-filter: blur(10px);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .25);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: .82rem;
    font-weight: 500;
    letter-spacing: .02em;
}
.hero-title {
    font-size: clamp(2rem, 5.2vw, 3.8rem);
    font-weight: 800;
    letter-spacing: -.025em;
    line-height: 1.05;
    color: #fff;
    text-shadow: 0 2px 8px rgba(0, 0, 0, .15);
}
.hero-subtitle {
    color: rgba(255, 255, 255, .9);
    font-size: clamp(1rem, 1.4vw, 1.15rem);
    line-height: 1.55;
    margin-top: 14px;
    max-width: 640px;
}
.hero-carousel .carousel-indicators { margin-bottom: 24px; }
.hero-carousel .carousel-indicators [data-bs-target] {
    width: 28px; height: 4px;
    background-color: rgba(255, 255, 255, .35);
    border-radius: 999px;
    border: none;
    transition: width .25s, background-color .25s;
}
.hero-carousel .carousel-indicators .active {
    width: 44px;
    background-color: #fff;
}
.hero-carousel .carousel-control-prev,
.hero-carousel .carousel-control-next { width: 6%; opacity: .55; }
.hero-carousel .carousel-control-prev:hover,
.hero-carousel .carousel-control-next:hover { opacity: 1; }

/* ---------- Animated stats strip -------------------------------------- */
.stats-strip {
    background: var(--er-surface);
    border-bottom: 1px solid var(--er-border);
    padding: 36px 0;
}
.stat-cell { text-align: center; }
.service-card { padding: 0; overflow: hidden; }
.service-card-media {
    display: block;
    height: 280px;
    background: var(--er-surface-2);
    background-size: cover;
    background-position: center 20%;
    background-repeat: no-repeat;
    transition: transform .4s ease;
}
.service-card:hover .service-card-media { transform: scale(1.04); }
.service-card-body { padding: 22px; display: flex; flex-direction: column; flex-grow: 1; }
.stat-icon-lg {
    width: 56px; height: 56px;
    border-radius: 14px;
    background: var(--er-primary-50);
    color: var(--er-primary-600);
    display: inline-grid; place-items: center;
    font-size: 1.5rem;
    margin-bottom: 8px;
}
.counter {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 800;
    line-height: 1.1;
    color: var(--er-text);
    letter-spacing: -.02em;
}
.stat-label-lg {
    color: var(--er-muted);
    font-size: .82rem;
    text-transform: uppercase;
    letter-spacing: .07em;
    font-weight: 600;
}

/* ---------- Misc landing components ----------------------------------- */
.check-pill {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--er-surface);
    border: 1px solid var(--er-border);
    color: var(--er-text);
    padding: 6px 12px;
    border-radius: 999px;
    font-size: .85rem;
}
.check-pill i { color: var(--er-success); }

.cta-strip { padding: 32px 0; }
.cta-strip-inner {
    background: linear-gradient(135deg, var(--er-primary) 0%, var(--er-primary-600) 100%);
    color: #fff;
    border-radius: var(--er-radius-lg);
    padding: 36px 40px;
    box-shadow: 0 16px 40px -16px rgba(193, 39, 45, .5);
    position: relative; overflow: hidden;
}
.cta-strip-inner::after {
    content: ""; position: absolute; right: -80px; top: -80px;
    width: 280px; height: 280px; border-radius: 999px;
    background: rgba(255, 255, 255, .08);
    pointer-events: none;
}
.cta-strip-inner h2 { color: #fff; font-weight: 700; }

/* Course card with media (image) */
.course-card { padding: 0; overflow: hidden; }
.course-card-media {
    display: block;
    height: 280px;
    background: var(--er-surface-2);
    background-size: cover;
    background-position: center 20%;
    background-repeat: no-repeat;
    color: var(--er-muted);
    text-align: center;
    transition: transform .4s ease;
    overflow: hidden;
}
.course-card:hover .course-card-media { transform: scale(1.04); }
.course-card-media.placeholder-media {
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--er-primary-50), var(--er-accent-50));
    color: var(--er-primary-600);
    font-size: 2.4rem;
}
.course-card-body { padding: 18px 20px 20px; display: flex; flex-direction: column; height: calc(100% - 280px); }
.course-card-body .cta { margin-top: auto; padding-top: 14px; display: flex; gap: 8px; justify-content: space-between; align-items: center; }
.course-card-body .fee { font-weight: 700; color: var(--er-text); font-size: 1.05rem; }
.course-card-body .meta { color: var(--er-muted); font-size: .82rem; }

/* ---------- Theme toggle (pill switch) -------------------------------- */
.theme-pill {
    width: 56px; height: 30px; border-radius: 999px;
    background: var(--er-surface-2);
    border: 1px solid var(--er-border);
    position: relative; cursor: pointer;
    padding: 0; transition: background .2s;
    display: inline-block;
}
.theme-pill:hover { background: var(--er-primary-50); }
.theme-pill .pill-knob {
    position: absolute; top: 50%; left: 3px;
    transform: translateY(-50%);
    width: 22px; height: 22px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--er-primary), var(--er-primary-600));
    color: #fff; display: grid; place-items: center;
    font-size: .8rem;
    transition: left .25s ease, background .25s;
    box-shadow: 0 2px 6px rgba(0, 0, 0, .15);
}
[data-bs-theme="dark"] .theme-pill .pill-knob {
    left: calc(100% - 25px);
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
}
.theme-pill .pill-icon-bg {
    position: absolute; top: 50%; transform: translateY(-50%);
    color: var(--er-muted); font-size: .72rem;
    transition: opacity .2s;
    pointer-events: none;
}
.theme-pill .pill-icon-bg.left  { left: 10px; }
.theme-pill .pill-icon-bg.right { right: 10px; }
[data-bs-theme="light"] .theme-pill .pill-icon-bg.left  { opacity: 0; }
[data-bs-theme="dark"]  .theme-pill .pill-icon-bg.right { opacity: 0; }

/* ---------- Fade-in for sections -------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
    .section, .stats-strip, .cta-strip { animation: er-fade-up .6s ease both; }
    .service-card { animation: er-fade-up .55s ease both; animation-delay: var(--delay, 0ms); }
}
@keyframes er-fade-up {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Mobile-only adjustments ----------------------------------- */
@media (max-width: 992px) {
    .topbar { padding: 10px 14px; }
    .topbar .search { max-width: none; }
    .page-header h1 { font-size: 1.25rem; }
    .hero-slide { min-height: 460px; }
    .cta-strip-inner { padding: 24px 22px; }
}
@media (max-width: 576px) {
    .hero-slide { min-height: 420px; }
    .hero-title { font-size: 2rem; }
    .hero-subtitle { font-size: .95rem; }
    .stats-strip { padding: 22px 0; }
    .stat-icon-lg { width: 44px; height: 44px; font-size: 1.15rem; }
    .section { padding: 40px 0; }
    .cta-strip-inner { padding: 22px 18px; }
    .course-card-media { height: 240px; }
    .service-card-media { height: 240px; }
}

/* When the mobile offcanvas sidebar opens, body lock looks better */
body.no-scroll { overflow: hidden; }