/* ==========================================================================
   FuGen Academy — design system
   Typography and colours follow a clean documentation style:
   Inter for text, JetBrains Mono for code, green primary (#16A34A).
   Plain CSS — no build step, safe for shared hosting.
   ========================================================================== */

/* Self-hosted fonts (no Google Fonts request needed) */
@font-face { font-family: "Inter"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/Inter-Regular.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/Inter-Medium.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 600; font-display: swap; src: url("../fonts/Inter-SemiBold.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 700; font-display: swap; src: url("../fonts/Inter-Bold.woff2") format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/JetBrainsMono-Regular.woff2") format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/JetBrainsMono-Medium.woff2") format("woff2"); }

:root {
  --fg-primary: #16a34a;
  --fg-primary-rgb: 22, 163, 74;
  --fg-primary-dark: #15803d;
  --fg-primary-light: #07c983;
  --fg-primary-soft: rgba(22, 163, 74, 0.1);
  --fg-primary-softer: rgba(22, 163, 74, 0.06);

  --fg-gray-50: #f3f7f5;
  --fg-gray-100: #eef2f0;
  --fg-gray-200: #dfe3e0;
  --fg-gray-300: #c4c9c6;
  --fg-gray-400: #9ca19e;
  --fg-gray-500: #707472;
  --fg-gray-600: #535754;
  --fg-gray-700: #3f4340;
  --fg-gray-800: #2a2e2b;
  --fg-gray-900: #171b19;
  --fg-dark: #0a0d1a;

  --fg-bg: #ffffff;
  --fg-surface: #ffffff;
  --fg-border: var(--fg-gray-100);
  --fg-border-strong: var(--fg-gray-200);
  --fg-text: var(--fg-gray-700);
  --fg-heading: var(--fg-gray-900);
  --fg-muted: var(--fg-gray-500);

  --fg-radius-sm: 8px;
  --fg-radius: 12px;
  --fg-radius-lg: 16px;
  --fg-radius-xl: 24px;
  --fg-shadow-sm: 0 1px 2px rgba(23, 27, 25, 0.04);
  --fg-shadow: 0 1px 3px rgba(23, 27, 25, 0.06), 0 8px 24px -12px rgba(23, 27, 25, 0.12);
  --fg-shadow-lg: 0 24px 48px -24px rgba(23, 27, 25, 0.25);

  --fg-navbar-h: 64px;
  --fg-font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --fg-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --code-bg: #0e1311;
  --code-header: #151b18;
  --code-border: #232a26;
  --code-text: #e6ede9;
  --code-muted: #7d8681;

  /* Bootstrap overrides */
  --bs-primary: var(--fg-primary);
  --bs-primary-rgb: var(--fg-primary-rgb);
  --bs-success: var(--fg-primary);
  --bs-success-rgb: var(--fg-primary-rgb);
  --bs-link-color: var(--fg-primary);
  --bs-link-color-rgb: var(--fg-primary-rgb);
  --bs-link-hover-color: var(--fg-primary-dark);
  --bs-link-hover-color-rgb: 21, 128, 61;
  --bs-body-font-family: var(--fg-font);
  --bs-body-color: var(--fg-text);
  --bs-body-bg: var(--fg-bg);
  --bs-border-color: var(--fg-border-strong);
  --bs-border-radius: var(--fg-radius-sm);
  --bs-border-radius-lg: var(--fg-radius);
  --bs-secondary-color: var(--fg-muted);
  --bs-heading-color: var(--fg-heading);
  --bs-font-monospace: var(--fg-mono);
  --bs-focus-ring-color: rgba(22, 163, 74, 0.25);
}

/* ---------- Base ---------- */
html { scroll-padding-top: calc(var(--fg-navbar-h) + 24px); }
body {
  font-family: var(--fg-font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--fg-text);
  background: var(--fg-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
  color: var(--fg-heading);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
}
a { color: var(--fg-primary); text-decoration: none; }
a:hover { color: var(--fg-primary-dark); }
::selection { background: rgba(22, 163, 74, 0.18); }
img { max-width: 100%; }
code, kbd, pre, samp { font-family: var(--fg-mono); }
:not(pre) > code {
  font-size: 0.875em;
  color: var(--fg-gray-900);
  background: var(--fg-gray-50);
  border: 1px solid var(--fg-gray-100);
  padding: 0.1em 0.4em;
  border-radius: 6px;
}
.text-muted, .text-secondary { color: var(--fg-muted) !important; }
.text-primary { color: var(--fg-primary) !important; }
.bg-primary { background-color: var(--fg-primary) !important; }
.bg-primary-soft { background: var(--fg-primary-soft) !important; }
.border-soft { border-color: var(--fg-border) !important; }
.fw-semibold { font-weight: 600 !important; }
.small-caps { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600; }

/* ---------- Buttons ---------- */
.btn { font-weight: 500; border-radius: 9999px; padding: 0.5rem 1.15rem; font-size: 0.9375rem; transition: all 0.15s ease; }
.btn-sm { padding: 0.35rem 0.85rem; font-size: 0.8125rem; }
.btn-lg { padding: 0.75rem 1.5rem; font-size: 1rem; }
.btn-primary, .btn-success {
  --bs-btn-bg: var(--fg-primary);
  --bs-btn-border-color: var(--fg-primary);
  --bs-btn-hover-bg: var(--fg-primary-dark);
  --bs-btn-hover-border-color: var(--fg-primary-dark);
  --bs-btn-active-bg: var(--fg-primary-dark);
  --bs-btn-active-border-color: var(--fg-primary-dark);
  --bs-btn-disabled-bg: var(--fg-primary);
  --bs-btn-disabled-border-color: var(--fg-primary);
  --bs-btn-color: #fff;
  --bs-btn-hover-color: #fff;
  box-shadow: 0 1px 2px rgba(21, 128, 61, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}
.btn-outline-primary {
  --bs-btn-color: var(--fg-primary-dark);
  --bs-btn-border-color: rgba(22, 163, 74, 0.35);
  --bs-btn-hover-bg: var(--fg-primary-soft);
  --bs-btn-hover-color: var(--fg-primary-dark);
  --bs-btn-hover-border-color: var(--fg-primary);
  --bs-btn-active-bg: var(--fg-primary-soft);
  --bs-btn-active-color: var(--fg-primary-dark);
  --bs-btn-active-border-color: var(--fg-primary);
}
.btn-light, .btn-outline-secondary {
  --bs-btn-color: var(--fg-gray-800);
  --bs-btn-bg: #fff;
  --bs-btn-border-color: var(--fg-gray-200);
  --bs-btn-hover-bg: var(--fg-gray-50);
  --bs-btn-hover-color: var(--fg-gray-900);
  --bs-btn-hover-border-color: var(--fg-gray-300);
  --bs-btn-active-bg: var(--fg-gray-100);
  --bs-btn-active-border-color: var(--fg-gray-300);
}
.btn-ghost { color: var(--fg-gray-600); background: transparent; border: 0; }
.btn-ghost:hover { color: var(--fg-gray-900); background: var(--fg-gray-50); }
.btn-icon { width: 36px; height: 36px; padding: 0; display: inline-flex; align-items: center; justify-content: center; border-radius: 10px; }

/* ---------- Forms ---------- */
.form-control, .form-select {
  border-radius: 10px;
  border-color: var(--fg-gray-200);
  padding: 0.55rem 0.85rem;
  font-size: 0.9375rem;
  color: var(--fg-gray-900);
}
.form-control:focus, .form-select:focus {
  border-color: var(--fg-primary);
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.15);
}
.form-label { font-weight: 500; font-size: 0.875rem; color: var(--fg-gray-800); margin-bottom: 0.35rem; }
.form-text { color: var(--fg-muted); font-size: 0.8125rem; }
.form-check-input:checked { background-color: var(--fg-primary); border-color: var(--fg-primary); }
.form-check-input:focus { box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.15); border-color: var(--fg-primary); }
.input-group-text { background: var(--fg-gray-50); border-color: var(--fg-gray-200); border-radius: 10px; color: var(--fg-muted); }

/* ---------- Badges ---------- */
.badge { font-weight: 500; border-radius: 9999px; padding: 0.35em 0.7em; }
.badge-soft { background: var(--fg-primary-soft); color: var(--fg-primary-dark); }
.badge-gray { background: var(--fg-gray-100); color: var(--fg-gray-700); }
.badge-warning-soft { background: #fef3c7; color: #92400e; }
.badge-danger-soft { background: #fee2e2; color: #991b1b; }
.badge-info-soft { background: #e0f2fe; color: #075985; }

/* ---------- Navbar ---------- */
.fg-topbar {
  background: var(--fg-gray-900);
  color: #e7ece9;
  font-size: 0.8125rem;
  text-align: center;
  padding: 0.45rem 1rem;
}
.fg-topbar a { color: var(--fg-primary-light); font-weight: 500; }
.fg-navbar {
  position: sticky;
  top: 0;
  z-index: 1030;
  min-height: var(--fg-navbar-h);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--fg-border);
}
.fg-navbar .navbar-brand { display: flex; align-items: center; gap: 0.55rem; font-weight: 600; color: var(--fg-gray-900); letter-spacing: -0.01em; }
.fg-navbar .navbar-brand img { width: auto; display: block; }
.fg-navbar .nav-link {
  color: var(--fg-gray-500);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.5rem 0.8rem !important;
  border-radius: 9999px;
}
.fg-navbar .nav-link:hover { color: var(--fg-gray-900); }
.fg-navbar .nav-link.active { color: var(--fg-primary); }
.fg-navbar .dropdown-menu {
  border: 1px solid var(--fg-border);
  border-radius: var(--fg-radius);
  box-shadow: var(--fg-shadow);
  padding: 0.4rem;
  font-size: 0.9rem;
}
.fg-navbar .dropdown-item { border-radius: 8px; padding: 0.45rem 0.75rem; color: var(--fg-gray-700); }
.fg-navbar .dropdown-item:hover, .fg-navbar .dropdown-item:focus { background: var(--fg-gray-50); color: var(--fg-gray-900); }
.fg-navbar .dropdown-item.active { background: var(--fg-primary-soft); color: var(--fg-primary-dark); }
.fg-search-trigger {
  display: inline-flex; align-items: center; gap: 0.5rem;
  border: 1px solid var(--fg-gray-200); background: #fff; color: var(--fg-gray-500);
  border-radius: 9999px; padding: 0.35rem 0.6rem 0.35rem 0.85rem; font-size: 0.875rem; min-width: 210px;
}
.fg-search-trigger:hover { border-color: var(--fg-gray-300); color: var(--fg-gray-700); }
.fg-search-trigger kbd { margin-left: auto; font-size: 0.7rem; background: var(--fg-gray-50); color: var(--fg-gray-500); border: 1px solid var(--fg-gray-200); border-radius: 6px; padding: 0.05rem 0.35rem; }
.navbar-toggler { border: 0; padding: 0.4rem; }
.navbar-toggler:focus { box-shadow: none; }
.fg-avatar { width: 34px; height: 34px; border-radius: 50%; object-fit: cover; border: 1px solid var(--fg-border); }
.fg-avatar-lg { width: 72px; height: 72px; }

/* ---------- Headings / page header ---------- */
.fg-eyebrow { color: var(--fg-primary); font-size: 0.875rem; font-weight: 600; margin-bottom: 0.5rem; display: inline-block; }
.fg-page-title { font-size: 1.875rem; font-weight: 600; letter-spacing: -0.025em; margin-bottom: 0.25rem; }
.fg-page-subtitle { font-size: 1.125rem; color: var(--fg-gray-600); margin-bottom: 0; }
.fg-section { padding: 5rem 0; }
.fg-section-sm { padding: 3rem 0; }
.fg-section-title { font-size: clamp(1.75rem, 3vw, 2.25rem); font-weight: 650; letter-spacing: -0.03em; }
.fg-section-lead { color: var(--fg-gray-600); font-size: 1.0625rem; max-width: 640px; }
.fg-breadcrumb { font-size: 0.875rem; color: var(--fg-muted); margin-bottom: 0.75rem; }
.fg-breadcrumb .breadcrumb { margin: 0; }
.fg-breadcrumb .breadcrumb-item a { color: var(--fg-muted); }
.fg-breadcrumb .breadcrumb-item a:hover { color: var(--fg-gray-900); }
.fg-breadcrumb .breadcrumb-item.active { color: var(--fg-gray-900); font-weight: 500; }
.fg-breadcrumb .breadcrumb-item + .breadcrumb-item::before { content: "›"; color: var(--fg-gray-400); }

/* ---------- Hero ---------- */
.fg-hero { position: relative; padding: 4.5rem 0 3.5rem; overflow: hidden; }
.fg-hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(60% 50% at 85% 0%, rgba(7, 201, 131, 0.14), transparent 70%),
    radial-gradient(40% 40% at 0% 20%, rgba(22, 163, 74, 0.08), transparent 70%);
}
.fg-hero-bg { background-size: cover; background-position: center; }
.fg-hero h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); font-weight: 700; letter-spacing: -0.035em; line-height: 1.08; color: var(--fg-gray-900); }
.fg-hero .lead { color: var(--fg-gray-600); font-size: 1.125rem; line-height: 1.7; max-width: 580px; }
.fg-hero-pill {
  display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.3rem 0.85rem 0.3rem 0.35rem;
  border-radius: 9999px; background: #fff; border: 1px solid var(--fg-border); font-size: 0.8125rem; color: var(--fg-gray-700);
  box-shadow: var(--fg-shadow-sm);
}
.fg-hero-pill span { background: var(--fg-primary-soft); color: var(--fg-primary-dark); border-radius: 9999px; padding: 0.1rem 0.55rem; font-weight: 600; }
.fg-media-card {
  border-radius: var(--fg-radius-lg);
  overflow: hidden;
  border: 1px solid var(--fg-border);
  background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 45%, #a7f3d0 100%);
  box-shadow: var(--fg-shadow);
}
.fg-media-card img { display: block; width: 100%; height: auto; }

/* ---------- Cards ---------- */
.fg-card {
  position: relative;
  display: block;
  background: var(--fg-surface);
  border: 1px solid var(--fg-border);
  border-radius: var(--fg-radius-lg);
  padding: 1.5rem;
  color: var(--fg-text);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
  height: 100%;
}
a.fg-card:hover, .fg-card.is-link:hover { border-color: rgba(22, 163, 74, 0.6); box-shadow: var(--fg-shadow); color: var(--fg-text); }
.fg-card-title { font-size: 1rem; font-weight: 600; color: var(--fg-gray-900); margin: 0.85rem 0 0.35rem; letter-spacing: -0.01em; }
.fg-card-text { font-size: 0.9375rem; color: var(--fg-gray-600); margin: 0; line-height: 1.6; }
.fg-icon {
  width: 40px; height: 40px; border-radius: 10px; display: inline-flex; align-items: center; justify-content: center;
  background: var(--fg-primary-soft); color: var(--fg-primary); font-size: 1.2rem;
}
.fg-icon-sm { width: 32px; height: 32px; font-size: 1rem; border-radius: 8px; }
.card { border-color: var(--fg-border); border-radius: var(--fg-radius-lg); box-shadow: none; }
.card-header { background: transparent; border-bottom-color: var(--fg-border); padding: 1rem 1.25rem; font-weight: 600; color: var(--fg-gray-900); }
.card-body { padding: 1.25rem; }
.card-footer { background: transparent; border-top-color: var(--fg-border); }

/* Course card */
.fg-course-card { display: flex; flex-direction: column; overflow: hidden; padding: 0; }
.fg-course-card .fg-course-media { aspect-ratio: 16 / 9; background: var(--fg-gray-50); overflow: hidden; border-bottom: 1px solid var(--fg-border); }
.fg-course-card .fg-course-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.fg-course-card:hover .fg-course-media img { transform: scale(1.03); }
.fg-course-card .fg-course-body { padding: 1.15rem 1.25rem 1.25rem; display: flex; flex-direction: column; flex: 1; }
.fg-course-card .fg-course-title { font-size: 1.0625rem; font-weight: 600; color: var(--fg-gray-900); margin: 0.35rem 0 0.4rem; letter-spacing: -0.015em; }
.fg-course-meta { display: flex; flex-wrap: wrap; gap: 0.85rem; font-size: 0.8125rem; color: var(--fg-muted); }
.fg-course-meta i { margin-right: 0.25rem; }
.fg-price { font-weight: 600; color: var(--fg-gray-900); }
.fg-price del { color: var(--fg-gray-400); font-weight: 400; margin-left: 0.35rem; font-size: 0.875rem; }

/* Progress */
.progress { height: 8px; border-radius: 9999px; background: var(--fg-gray-100); }
.progress-bar { background: linear-gradient(90deg, var(--fg-primary), var(--fg-primary-light)); border-radius: 9999px; transition: width 0.4s ease; }
.fg-progress-label { display: flex; justify-content: space-between; font-size: 0.8125rem; color: var(--fg-muted); margin-bottom: 0.35rem; }
.fg-progress-label strong { color: var(--fg-gray-900); font-weight: 600; }

/* Stats */
.fg-stat { padding: 1.5rem; border-radius: var(--fg-radius-lg); border: 1px solid var(--fg-border); background: #fff; }
.fg-stat-value { font-size: 2rem; font-weight: 700; color: var(--fg-gray-900); letter-spacing: -0.03em; line-height: 1.1; }
.fg-stat-label { color: var(--fg-muted); font-size: 0.875rem; margin-top: 0.25rem; }

/* ---------- Sections ---------- */
.fg-bg-soft { background: var(--fg-gray-50); }
.fg-bg-grid {
  background-image: linear-gradient(var(--fg-gray-100) 1px, transparent 1px), linear-gradient(90deg, var(--fg-gray-100) 1px, transparent 1px);
  background-size: 40px 40px;
}
.fg-cta {
  border-radius: var(--fg-radius-xl);
  padding: 3.5rem 2rem;
  background: radial-gradient(70% 120% at 100% 0%, rgba(7, 201, 131, 0.35), transparent 60%), var(--fg-gray-900);
  color: #dfe7e2;
  position: relative;
  overflow: hidden;
}
.fg-cta h2 { color: #fff; }
.fg-cta .btn-light { --bs-btn-bg: rgba(255, 255, 255, 0.08); --bs-btn-color: #fff; --bs-btn-border-color: rgba(255, 255, 255, 0.2); --bs-btn-hover-bg: rgba(255, 255, 255, 0.16); --bs-btn-hover-color: #fff; }
.fg-testimonial { font-size: 0.975rem; }
.fg-quote-mark { font-size: 2rem; line-height: 1; color: var(--fg-primary); }
.accordion { --bs-accordion-border-color: var(--fg-border); --bs-accordion-border-radius: var(--fg-radius); --bs-accordion-inner-border-radius: var(--fg-radius); --bs-accordion-active-bg: #fff; --bs-accordion-active-color: var(--fg-gray-900); --bs-accordion-btn-focus-box-shadow: none; }
.accordion-button { font-weight: 600; color: var(--fg-gray-900); }
.accordion-item { margin-bottom: 0.65rem; border: 1px solid var(--fg-border) !important; border-radius: var(--fg-radius) !important; overflow: hidden; }

/* ---------- Footer ---------- */
.fg-footer { border-top: 1px solid var(--fg-border); background: #fff; padding: 3.5rem 0 2rem; font-size: 0.9375rem; }
.fg-footer h6 { font-size: 0.8125rem; font-weight: 600; color: var(--fg-gray-900); margin-bottom: 0.9rem; letter-spacing: 0; }
.fg-footer ul { list-style: none; padding: 0; margin: 0; }
.fg-footer li { margin-bottom: 0.5rem; }
.fg-footer a { color: var(--fg-gray-500); }
.fg-footer a:hover { color: var(--fg-gray-900); }
.fg-social { display: inline-flex; width: 36px; height: 36px; border-radius: 10px; align-items: center; justify-content: center; border: 1px solid var(--fg-border); color: var(--fg-gray-500) !important; }
.fg-social:hover { color: var(--fg-primary) !important; border-color: rgba(22, 163, 74, 0.5); }
.fg-footer-bottom { border-top: 1px solid var(--fg-border); margin-top: 2.5rem; padding-top: 1.5rem; color: var(--fg-muted); font-size: 0.8125rem; }

/* ---------- Docs / learning layout ---------- */
.fg-docs { display: flex; align-items: flex-start; }
.fg-docs-sidebar { scrollbar-width: thin; }
.fg-docs-sidebar .offcanvas-body { padding: 1.75rem 1.25rem 3rem 1.5rem; display: block; }
@media (min-width: 992px) {
  .fg-docs-sidebar {
    position: sticky;
    top: var(--fg-navbar-h);
    width: 288px;
    flex: 0 0 288px;
    height: calc(100vh - var(--fg-navbar-h));
    overflow-y: auto;
    border-right: 1px solid var(--fg-border);
  }
}
@media (max-width: 991.98px) {
  .fg-docs-sidebar.offcanvas-lg { width: 300px; }
}
.fg-docs-main { flex: 1; min-width: 0; padding: 2.5rem 3rem 4rem; }
.fg-docs-content { max-width: 768px; margin: 0 auto; }
.fg-docs-toc {
  position: sticky; top: var(--fg-navbar-h); width: 240px; flex: 0 0 240px;
  height: calc(100vh - var(--fg-navbar-h)); overflow-y: auto; padding: 2.5rem 1.5rem; font-size: 0.8125rem;
}
.fg-docs-toc .toc-title { font-weight: 600; color: var(--fg-gray-900); display: flex; align-items: center; gap: 0.4rem; margin-bottom: 0.75rem; }
.fg-docs-toc a { display: block; color: var(--fg-gray-500); padding: 0.3rem 0 0.3rem 0.75rem; border-left: 1px solid var(--fg-gray-100); }
.fg-docs-toc a:hover { color: var(--fg-gray-900); }
.fg-docs-toc a.active { color: var(--fg-primary); border-left-color: var(--fg-primary); }
.fg-docs-toc a.toc-h3 { padding-left: 1.5rem; }

.fg-nav-group { margin-bottom: 1.5rem; }
.fg-nav-group-title { font-size: 0.8125rem; font-weight: 600; color: var(--fg-gray-900); padding: 0 0.75rem; margin-bottom: 0.5rem; display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; }
.fg-nav-group-title small { font-weight: 500; color: var(--fg-muted); }
.fg-nav-link {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.4rem 0.75rem; border-radius: var(--fg-radius);
  color: var(--fg-gray-500); font-size: 0.875rem; line-height: 1.4;
}
.fg-nav-link:hover { color: var(--fg-gray-900); background: var(--fg-gray-50); }
.fg-nav-link.active { color: var(--fg-primary); background: var(--fg-primary-soft); font-weight: 500; }
.fg-nav-link .bi { font-size: 1rem; flex: 0 0 auto; }
.fg-nav-link .fg-check { margin-left: auto; color: var(--fg-primary); }
.fg-nav-link.is-done { color: var(--fg-gray-700); }
.fg-course-switch { padding: 0.25rem 0.75rem 1.25rem; margin-bottom: 1.25rem; border-bottom: 1px solid var(--fg-border); }
.fg-course-switch .title { font-weight: 600; color: var(--fg-gray-900); font-size: 0.9375rem; line-height: 1.35; }

/* Lesson/Note content typography */
.fg-prose { color: var(--fg-gray-700); font-size: 1rem; line-height: 1.75; }
.fg-prose > *:first-child { margin-top: 0; }
.fg-prose h1 { font-size: 1.875rem; margin: 2rem 0 1rem; }
.fg-prose h2 { font-size: 1.5rem; margin: 2.5rem 0 0.9rem; }
.fg-prose h3 { font-size: 1.25rem; margin: 2rem 0 0.75rem; }
.fg-prose h4 { font-size: 1.0625rem; margin: 1.5rem 0 0.5rem; }
.fg-prose p { margin: 0 0 1.15rem; }
.fg-prose ul, .fg-prose ol { padding-left: 1.4rem; margin-bottom: 1.15rem; }
.fg-prose li { margin-bottom: 0.4rem; }
.fg-prose li::marker { color: var(--fg-gray-400); }
.fg-prose a { color: var(--fg-gray-900); font-weight: 500; text-decoration: underline; text-decoration-color: var(--fg-primary); text-underline-offset: 3px; text-decoration-thickness: 1px; }
.fg-prose a:hover { text-decoration-thickness: 2px; }
.fg-prose strong { color: var(--fg-gray-900); font-weight: 600; }
.fg-prose blockquote { border-left: 3px solid var(--fg-primary); background: var(--fg-primary-softer); padding: 0.85rem 1.1rem; border-radius: 0 var(--fg-radius) var(--fg-radius) 0; color: var(--fg-gray-800); margin: 1.5rem 0; }
.fg-prose blockquote p:last-child { margin-bottom: 0; }
.fg-prose img { border-radius: var(--fg-radius); border: 1px solid var(--fg-border); height: auto; }
.fg-prose table { width: 100%; font-size: 0.9375rem; margin: 1.5rem 0; border-collapse: separate; border-spacing: 0; border: 1px solid var(--fg-border); border-radius: var(--fg-radius); overflow: hidden; display: block; overflow-x: auto; }
.fg-prose table th { background: var(--fg-gray-50); color: var(--fg-gray-900); font-weight: 600; }
.fg-prose table th, .fg-prose table td { padding: 0.65rem 0.9rem; border-bottom: 1px solid var(--fg-border); text-align: left; vertical-align: top; }
.fg-prose table tr:last-child td { border-bottom: 0; }
.fg-prose iframe { width: 100%; aspect-ratio: 16 / 9; height: auto; border: 0; border-radius: var(--fg-radius); }
.fg-prose hr { border-color: var(--fg-border); opacity: 1; margin: 2rem 0; }

.fg-lesson-section { margin-top: 3rem; }
.fg-lesson-section > h2 { font-size: 1.375rem; margin-bottom: 1rem; display: flex; align-items: center; gap: 0.6rem; }
.fg-lesson-section > h2 .bi { color: var(--fg-primary); font-size: 1.15rem; }
.fg-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 3rem; }
.fg-pager a { display: block; border: 1px solid var(--fg-border); border-radius: var(--fg-radius-lg); padding: 1rem 1.25rem; color: var(--fg-gray-900); }
.fg-pager a:hover { border-color: rgba(22, 163, 74, 0.6); }
.fg-pager small { display: block; color: var(--fg-muted); font-size: 0.8125rem; }
.fg-pager .next { text-align: right; grid-column: 2; }
.fg-complete-bar {
  display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between;
  border: 1px solid var(--fg-border); border-radius: var(--fg-radius-lg); padding: 1rem 1.25rem; margin-top: 3rem; background: var(--fg-gray-50);
}
.btn-complete.is-complete { --bs-btn-bg: #fff; --bs-btn-color: var(--fg-primary-dark); --bs-btn-border-color: rgba(22, 163, 74, 0.45); --bs-btn-hover-bg: var(--fg-primary-soft); --bs-btn-hover-color: var(--fg-primary-dark); box-shadow: none; }

/* Curriculum list */
.fg-curriculum .accordion-button { font-size: 0.9375rem; padding: 1rem 1.25rem; }
.fg-curriculum .accordion-body { padding: 0.25rem 0.5rem 0.75rem; }
.fg-lesson-row {
  display: flex; align-items: center; gap: 0.75rem; padding: 0.6rem 0.75rem; border-radius: 10px; color: var(--fg-gray-700); font-size: 0.9375rem;
}
a.fg-lesson-row:hover { background: var(--fg-gray-50); color: var(--fg-gray-900); }
.fg-lesson-row.is-current { background: var(--fg-primary-soft); color: var(--fg-primary-dark); font-weight: 500; }
.fg-lesson-row .state { width: 22px; height: 22px; border-radius: 50%; border: 1.5px solid var(--fg-gray-300); display: inline-flex; align-items: center; justify-content: center; flex: 0 0 22px; font-size: 0.75rem; }
.fg-lesson-row.is-done .state { background: var(--fg-primary); border-color: var(--fg-primary); color: #fff; }
.fg-lesson-row .meta { margin-left: auto; font-size: 0.8125rem; color: var(--fg-muted); white-space: nowrap; }

/* Course banner (student course page) */
.fg-course-hero { border-radius: var(--fg-radius-xl); overflow: hidden; position: relative; border: 1px solid var(--fg-border); background: var(--fg-gray-900); }
.fg-course-hero img { width: 100%; height: 220px; object-fit: cover; opacity: 0.55; display: block; }
.fg-course-hero .overlay { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end; padding: 1.75rem; color: #e9f1ec; background: linear-gradient(0deg, rgba(10, 13, 12, 0.85), rgba(10, 13, 12, 0.1)); }
.fg-course-hero h1 { color: #fff; font-size: clamp(1.5rem, 3vw, 2.1rem); margin: 0.25rem 0 0.35rem; }

/* ---------- Code blocks ---------- */
.code-block {
  position: relative;
  margin: 1.5rem 0;
  border-radius: var(--fg-radius-lg);
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  overflow: hidden;
  box-shadow: 0 10px 30px -18px rgba(10, 13, 12, 0.6);
}
.code-block-header {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.55rem 0.6rem 0.55rem 1rem;
  background: var(--code-header);
  border-bottom: 1px solid var(--code-border);
  color: var(--code-muted);
  font-size: 0.8125rem;
  user-select: none;
}
.code-block-title { color: #cdd6d1; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.code-lang { display: inline-flex; align-items: center; gap: 0.4rem; font-family: var(--fg-mono); font-size: 0.75rem; color: var(--fg-primary-light); flex: 0 0 auto; }
.code-lang::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--fg-primary-light); box-shadow: 0 0 8px rgba(7, 201, 131, 0.7); }
.code-actions { margin-left: auto; display: flex; gap: 0.35rem; flex: 0 0 auto; }
.code-btn {
  display: inline-flex; align-items: center; gap: 0.35rem;
  border: 1px solid #2c3530; background: #1b221e; color: #cfd8d3;
  border-radius: 8px; padding: 0.3rem 0.65rem; font-size: 0.75rem; font-weight: 500; line-height: 1.2; cursor: pointer;
  transition: all 0.15s ease;
}
.code-btn:hover { background: #222b26; color: #fff; border-color: #3a4640; }
.code-btn.copied { color: #fff; background: var(--fg-primary); border-color: var(--fg-primary); }
.code-body { display: flex; overflow: hidden; }
.code-gutter {
  flex: 0 0 auto;
  padding: 1rem 0.75rem 1rem 1rem;
  text-align: right;
  color: #4f5953;
  font-family: var(--fg-mono);
  font-size: 0.8125rem;
  line-height: 1.7;
  user-select: none;
  -webkit-user-select: none;
  border-right: 1px solid var(--code-border);
  white-space: pre;
}
.code-scroll { flex: 1; min-width: 0; overflow-x: auto; scrollbar-width: thin; scrollbar-color: #39423d transparent; }
.code-block pre { margin: 0; padding: 1rem 1.25rem; background: transparent; color: var(--code-text); font-size: 0.8125rem; line-height: 1.7; overflow: visible; white-space: pre; tab-size: 4; }
.code-block pre code { font-family: var(--fg-mono); background: transparent !important; padding: 0 !important; color: inherit; font-size: inherit; white-space: pre; display: block; border: 0; }
.code-block-desc { font-size: 0.875rem; color: var(--fg-muted); margin: -0.75rem 0 1.5rem; }
.code-raw { display: none; }
/* Fullscreen */
.code-block.is-fullscreen {
  position: fixed; inset: 0; z-index: 2000; margin: 0; border-radius: 0; display: flex; flex-direction: column;
}
.code-block.is-fullscreen .code-body { flex: 1; overflow: auto; }
.code-block.is-fullscreen pre, .code-block.is-fullscreen .code-gutter { font-size: 0.9375rem; }
body.code-fullscreen-open { overflow: hidden; }

/* highlight.js tokens tuned for the green brand */
.hljs { color: var(--code-text); background: transparent; }
.hljs-keyword, .hljs-selector-tag, .hljs-literal, .hljs-built_in.hljs-keyword { color: #7ee2b0; }
.hljs-string, .hljs-attr-value, .hljs-template-variable { color: #f3c98b; }
.hljs-number, .hljs-symbol { color: #f59e8b; }
.hljs-comment, .hljs-quote { color: #6c7a72; font-style: italic; }
.hljs-title, .hljs-title.function_, .hljs-section { color: #8fc7ff; }
.hljs-built_in, .hljs-type, .hljs-class .hljs-title { color: #c4b5fd; }
.hljs-attr, .hljs-attribute, .hljs-variable, .hljs-params { color: #e6ede9; }
.hljs-meta, .hljs-meta .hljs-keyword { color: #94a3b8; }
.hljs-tag, .hljs-name { color: #7ee2b0; }
.hljs-operator, .hljs-punctuation { color: #b9c4be; }
.hljs-deletion { color: #fca5a5; }
.hljs-addition { color: #86efac; }

/* ---------- Video ---------- */
.fg-video { position: relative; border-radius: var(--fg-radius-lg); overflow: hidden; background: #000; border: 1px solid var(--fg-border); aspect-ratio: 16 / 9; }
.fg-video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.fg-video-thumb { position: relative; border-radius: var(--fg-radius); overflow: hidden; aspect-ratio: 16 / 9; background: var(--fg-gray-100); }
.fg-video-thumb img { width: 100%; height: 100%; object-fit: cover; }
.fg-video-thumb .play { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 2.5rem; background: linear-gradient(0deg, rgba(0, 0, 0, 0.35), rgba(0, 0, 0, 0.05)); }

/* Resources */
.fg-resource { display: flex; align-items: center; gap: 0.9rem; padding: 0.9rem 1rem; border: 1px solid var(--fg-border); border-radius: var(--fg-radius); background: #fff; color: var(--fg-gray-800); }
.fg-resource + .fg-resource { margin-top: 0.6rem; }
.fg-resource:hover { border-color: rgba(22, 163, 74, 0.5); color: var(--fg-gray-900); }
.fg-resource .bi-file-earmark-pdf { color: #dc2626; }
.fg-resource-icon { font-size: 1.5rem; color: var(--fg-primary); flex: 0 0 auto; }
.fg-resource-meta { font-size: 0.8125rem; color: var(--fg-muted); }

/* Announcements */
.fg-announcement { border-left: 3px solid var(--fg-primary); }
.fg-announcement.priority-urgent { border-left-color: #dc2626; }
.fg-announcement.priority-high { border-left-color: #f59e0b; }
.fg-announcement.priority-low { border-left-color: var(--fg-gray-300); }

/* Search modal */
.fg-search-modal .modal-content { border-radius: var(--fg-radius-lg); border: 1px solid var(--fg-border); box-shadow: var(--fg-shadow-lg); }
.fg-search-modal .form-control { border: 0; box-shadow: none; font-size: 1.0625rem; padding: 1rem 0; }
.fg-search-modal .search-head { display: flex; align-items: center; gap: 0.75rem; padding: 0 1.25rem; border-bottom: 1px solid var(--fg-border); }
.fg-search-results { max-height: 60vh; overflow-y: auto; padding: 0.5rem; }
.fg-search-item { display: flex; gap: 0.85rem; padding: 0.7rem 0.8rem; border-radius: var(--fg-radius); color: var(--fg-gray-800); }
.fg-search-item:hover, .fg-search-item.active { background: var(--fg-primary-softer); color: var(--fg-gray-900); }
.fg-search-item .bi { color: var(--fg-primary); font-size: 1.1rem; margin-top: 0.15rem; }
.fg-search-item small { color: var(--fg-muted); display: block; }
.fg-search-type { font-size: 0.6875rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--fg-primary-dark); font-weight: 600; }

/* Empty state */
.fg-empty { text-align: center; padding: 3rem 1rem; border: 1px dashed var(--fg-gray-200); border-radius: var(--fg-radius-lg); color: var(--fg-muted); }
.fg-empty .bi { font-size: 2rem; color: var(--fg-gray-300); display: block; margin-bottom: 0.5rem; }

/* Pagination */
.pagination { --bs-pagination-color: var(--fg-gray-700); --bs-pagination-border-color: var(--fg-border-strong); --bs-pagination-hover-bg: var(--fg-gray-50); --bs-pagination-hover-color: var(--fg-gray-900); --bs-pagination-active-bg: var(--fg-primary); --bs-pagination-active-border-color: var(--fg-primary); --bs-pagination-focus-box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.15); --bs-pagination-border-radius: 10px; gap: 0.25rem; }
.pagination .page-link { border-radius: 10px !important; font-size: 0.875rem; }

/* Toasts & alerts */
.fg-toast-container { position: fixed; top: calc(var(--fg-navbar-h) + 12px); right: 16px; z-index: 2100; }
.toast { border-radius: var(--fg-radius); border: 1px solid var(--fg-border); box-shadow: var(--fg-shadow-lg); font-size: 0.9rem; }
.toast .toast-body { display: flex; gap: 0.6rem; align-items: flex-start; }
.alert { border-radius: var(--fg-radius); font-size: 0.9375rem; }
.alert-success { background: var(--fg-primary-softer); border-color: rgba(22, 163, 74, 0.25); color: var(--fg-primary-dark); }

/* Auth pages */
.fg-auth { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.fg-auth-side {
  background: radial-gradient(80% 60% at 100% 0%, rgba(7, 201, 131, 0.35), transparent 60%), var(--fg-gray-900);
  color: #dfe7e2; padding: 3rem; display: flex; flex-direction: column; justify-content: space-between; position: relative; overflow: hidden;
}
.fg-auth-side h2 { color: #fff; font-size: 2rem; letter-spacing: -0.03em; }
.fg-auth-main { display: flex; align-items: center; justify-content: center; padding: 3rem 1.5rem; }
.fg-auth-card { width: 100%; max-width: 420px; }
.fg-auth-logo { background: #fff; border-radius: 12px; padding: 0.4rem 0.75rem; display: inline-block; }

/* WhatsApp floating button */
.fg-whatsapp { position: fixed; right: 18px; bottom: 18px; z-index: 1040; width: 52px; height: 52px; border-radius: 50%; background: #25d366; color: #fff !important; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; box-shadow: 0 10px 25px -8px rgba(37, 211, 102, 0.7); }
.fg-whatsapp:hover { transform: translateY(-2px); }

/* Utilities */
.object-cover { object-fit: cover; }
.min-w-0 { min-width: 0; }
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.hover-lift { transition: transform 0.15s ease; }
.hover-lift:hover { transform: translateY(-2px); }
.table { --bs-table-color: var(--fg-gray-700); --bs-table-border-color: var(--fg-border); font-size: 0.9rem; }
.table > thead th { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--fg-muted); font-weight: 600; background: var(--fg-gray-50); border-bottom: 1px solid var(--fg-border); white-space: nowrap; }
.table > :not(caption) > * > * { padding: 0.8rem 1rem; vertical-align: middle; }
.nav-tabs { border-bottom-color: var(--fg-border); gap: 0.25rem; }
.nav-tabs .nav-link { border: 0; border-bottom: 2px solid transparent; color: var(--fg-gray-500); font-weight: 500; font-size: 0.9375rem; padding: 0.65rem 0.9rem; }
.nav-tabs .nav-link:hover { color: var(--fg-gray-900); border-color: transparent; }
.nav-tabs .nav-link.active { color: var(--fg-primary); border-bottom-color: var(--fg-primary); background: transparent; }
.nav-pills .nav-link { border-radius: 9999px; color: var(--fg-gray-600); font-weight: 500; font-size: 0.875rem; }
.nav-pills .nav-link.active { background: var(--fg-primary-soft); color: var(--fg-primary-dark); }
.modal-content { border-radius: var(--fg-radius-lg); border: 1px solid var(--fg-border); }
.modal-header, .modal-footer { border-color: var(--fg-border); }
.dropdown-menu { border-color: var(--fg-border); border-radius: var(--fg-radius); box-shadow: var(--fg-shadow); font-size: 0.9rem; padding: 0.35rem; }
.dropdown-item { border-radius: 8px; padding: 0.45rem 0.75rem; }
.dropdown-item:active { background: var(--fg-primary); }
.list-group { --bs-list-group-border-color: var(--fg-border); }
.offcanvas { border-color: var(--fg-border) !important; }

/* ---------- Responsive ---------- */
@media (max-width: 1399.98px) {
  .fg-docs-toc { display: none; }
}
@media (max-width: 991.98px) {
  .fg-docs-main { padding: 1.5rem 1rem 3rem; }
  .fg-hero { padding: 3rem 0 2.5rem; }
  .fg-section { padding: 3.5rem 0; }
  .fg-auth { grid-template-columns: 1fr; }
  .fg-auth-side { display: none; }
  .fg-search-trigger { min-width: 0; }
}
@media (max-width: 575.98px) {
  .fg-pager { grid-template-columns: 1fr; }
  .fg-pager .next { grid-column: 1; }
  .code-block-title { display: none; }
  .fg-cta { padding: 2.5rem 1.25rem; }
  .fg-complete-bar { flex-direction: column; align-items: stretch; }
  .fg-complete-bar .btn { width: 100%; }
}
@media print {
  .fg-navbar, .fg-docs-sidebar, .fg-docs-toc, .fg-footer, .code-actions, .fg-whatsapp, .fg-complete-bar { display: none !important; }
}