/* ==========================================================================
   APK4Game - Complete Hand-Written CSS (No Tailwind, No Build Tools)
   ==========================================================================
   Organised sections:
   1.  CSS Variables & Reset
   2.  Base Typography
   3.  Layout Utilities
   4.  Spacing Utilities
   5.  Flexbox & Grid
   6.  Sizing
   7.  Colors & Backgrounds
   8.  Borders & Radius
   9.  Typography Classes
   10. Shadow & Effects
   11. Visibility & Overflow
   12. Positioning
   13. Transitions & Animations
   14. Components: Navbar
   15. Components: Footer
   16. Components: Buttons
   17. Components: Cards
   18. Components: TOC
   19. Components: Prose (Markdown content)
   20. Components: FAQ Accordion
   21. Responsive Breakpoints
   ========================================================================== */

/* ── 1. CSS Variables & Reset ─────────────────────────────────────────────── */

:root {
  --primary-50: #eef2ff;
  --primary-100: #e0e7ff;
  --primary-200: #c7d2fe;
  --primary-300: #a5b4fc;
  --primary-400: #818cf8;
  --primary-500: #6366f1;
  --primary-600: #4f46e5;
  --primary-700: #4338ca;
  --primary-800: #3730a3;
  --primary-900: #312e81;

  --success-50: #f0fdf4;
  --success-400: #4ade80;
  --success-500: #22c55e;
  --success-600: #16a34a;
  --success-900: #14532d;

  --danger-50: #fef2f2;
  --danger-100: #fee2e2;
  --danger-500: #ef4444;
  --danger-600: #dc2626;

  --warning-50: #fffbeb;
  --warning-400: #fbbf24;
  --warning-500: #f59e0b;
  --warning-600: #d97706;

  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;

  --purple-50: #faf5ff;
  --purple-600: #9333ea;
  --purple-700: #7e22ce;

  --font-sans:
    ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, "Helvetica Neue", Arial, sans-serif;

  --radius-sm: 0.375rem; /* rounded-lg  */
  --radius-md: 0.75rem; /* rounded-xl  */
  --radius-lg: 1rem; /* rounded-2xl */
  --radius-full: 9999px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}
.scroll-smooth {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--slate-50);
  color: var(--slate-900);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  overflow-x: hidden;
}

::selection {
  background-color: var(--primary-500);
  color: white;
}

img,
svg {
  display: block;
  max-width: 100%;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font-family: inherit;
  background: transparent;
  border: none;
  cursor: pointer;
}

/* ── 2. Base Typography ───────────────────────────────────────────────────── */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--slate-900);
}
h1 {
  font-size: 2.25rem;
}
h2 {
  font-size: 1.5rem;
}
h3 {
  font-size: 1.25rem;
}
h4 {
  font-size: 1rem;
}
p {
  line-height: 1.75;
}

/* ── 3. Layout Utilities ─────────────────────────────────────────────────── */

.container {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
}
.mx-auto {
  margin-left: auto;
  margin-right: auto;
}
.max-w-sm {
  max-width: 24rem;
}
.max-w-md {
  max-width: 28rem;
}
.max-w-xl {
  max-width: 36rem;
}
.max-w-2xl {
  max-width: 42rem;
}
.max-w-4xl {
  max-width: 56rem;
}
.max-w-7xl {
  max-width: 80rem;
}
.max-w-none {
  max-width: none;
}
.max-w-\[80px\] {
  max-width: 80px;
}

.w-full {
  width: 100%;
}
.w-auto {
  width: auto;
}
.w-10 {
  width: 2.5rem;
}
.w-14 {
  width: 3.5rem;
}
.w-16 {
  width: 4rem;
}
.w-20 {
  width: 5rem;
}
.w-24 {
  width: 6rem;
}

.h-10 {
  height: 2.5rem;
}
.h-14 {
  height: 3.5rem;
}
.h-16 {
  height: 4rem;
}
.h-20 {
  height: 5rem;
}
.h-24 {
  height: 6rem;
}
.h-44 {
  height: 11rem;
}
.h-full {
  height: 100%;
}

.min-w-0 {
  min-width: 0;
}

/* ── 4. Spacing Utilities ────────────────────────────────────────────────── */

/* Padding */
.p-0 {
  padding: 0;
}
.p-1 {
  padding: 0.25rem;
}
.p-2 {
  padding: 0.5rem;
}
.p-3 {
  padding: 0.75rem;
}
.p-4 {
  padding: 1rem;
}
.p-5 {
  padding: 1.25rem;
}
.p-6 {
  padding: 1.5rem;
}
.p-8 {
  padding: 2rem;
}
.p-10 {
  padding: 2.5rem;
}
.p-12 {
  padding: 3rem;
}

.px-2 {
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}
.px-3 {
  padding-left: 0.75rem;
  padding-right: 0.75rem;
}
.px-4 {
  padding-left: 1rem;
  padding-right: 1rem;
}
.px-5 {
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}
.px-6 {
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}
.px-8 {
  padding-left: 2rem;
  padding-right: 2rem;
}

.py-0\.5 {
  padding-top: 0.125rem;
  padding-bottom: 0.125rem;
}
.py-1 {
  padding-top: 0.25rem;
  padding-bottom: 0.25rem;
}
.py-1\.5 {
  padding-top: 0.375rem;
  padding-bottom: 0.375rem;
}
.py-2 {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}
.py-3 {
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}
.py-3\.5 {
  padding-top: 0.875rem;
  padding-bottom: 0.875rem;
}
.py-4 {
  padding-top: 1rem;
  padding-bottom: 1rem;
}
.py-12 {
  padding-top: 3rem;
  padding-bottom: 3rem;
}
.py-16 {
  padding-top: 4rem;
  padding-bottom: 4rem;
}
.py-24 {
  padding-top: 6rem;
  padding-bottom: 6rem;
}

.pt-0 {
  padding-top: 0;
}
.pt-3 {
  padding-top: 0.75rem;
}
.pt-4 {
  padding-top: 1rem;
}
.pt-8 {
  padding-top: 2rem;
}
.pt-10 {
  padding-top: 2.5rem;
}

.pb-5 {
  padding-bottom: 1.25rem;
}
.pb-6 {
  padding-bottom: 1.5rem;
}
.pr-6 {
  padding-right: 1.5rem;
}

/* Margin */
.m-0 {
  margin: 0;
}
.mb-0\.5 {
  margin-bottom: 0.125rem;
}
.mb-1 {
  margin-bottom: 0.25rem;
}
.mb-2 {
  margin-bottom: 0.5rem;
}
.mb-3 {
  margin-bottom: 0.75rem;
}
.mb-4 {
  margin-bottom: 1rem;
}
.mb-6 {
  margin-bottom: 1.5rem;
}
.mb-8 {
  margin-bottom: 2rem;
}
.mb-10 {
  margin-bottom: 2.5rem;
}
.mb-12 {
  margin-bottom: 3rem;
}

.mt-0\.5 {
  margin-top: 0.125rem;
}
.mt-1 {
  margin-top: 0.25rem;
}
.mt-1\.5 {
  margin-top: 0.375rem;
}
.mt-2 {
  margin-top: 0.5rem;
}
.mt-4 {
  margin-top: 1rem;
}
.mt-8 {
  margin-top: 2rem;
}
.mt-12 {
  margin-top: 3rem;
}
.mt-16 {
  margin-top: 4rem;
}
.mt-20 {
  margin-top: 5rem;
}
.mt-auto {
  margin-top: auto;
}

.my-10 {
  margin-top: 2.5rem;
  margin-bottom: 2.5rem;
}

/* ── 5. Flexbox & Grid ───────────────────────────────────────────────────── */

.flex {
  display: flex;
}
.inline-flex {
  display: inline-flex;
}
.grid {
  display: grid;
}
.block {
  display: block;
}
.hidden {
  display: none;
}

.flex-col {
  flex-direction: column;
}
.flex-wrap {
  flex-wrap: wrap;
}
.flex-1 {
  flex: 1 1 0%;
}
.grow {
  flex-grow: 1;
}
.shrink-0 {
  flex-shrink: 0;
}

.items-center {
  align-items: center;
}
.items-start {
  align-items: flex-start;
}

.justify-center {
  justify-content: center;
}
.justify-between {
  justify-content: space-between;
}
.justify-start {
  justify-content: flex-start;
}

.gap-1 {
  gap: 0.25rem;
}
.gap-1\.5 {
  gap: 0.375rem;
}
.gap-2 {
  gap: 0.5rem;
}
.gap-3 {
  gap: 0.75rem;
}
.gap-3\.5 {
  gap: 0.875rem;
}
.gap-4 {
  gap: 1rem;
}
.gap-5 {
  gap: 1.25rem;
}
.gap-6 {
  gap: 1.5rem;
}
.gap-7 {
  gap: 1.75rem;
}
.gap-8 {
  gap: 2rem;
}

.space-y-1 > * + * {
  margin-top: 0.25rem;
}
.space-y-2 > * + * {
  margin-top: 0.5rem;
}
.space-y-3 > * + * {
  margin-top: 0.75rem;
}
.space-y-4 > * + * {
  margin-top: 1rem;
}
.space-y-5 > * + * {
  margin-top: 1.25rem;
}
.space-y-6 > * + * {
  margin-top: 1.5rem;
}
.space-y-8 > * + * {
  margin-top: 2rem;
}

.grid-cols-1 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}
.grid-cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.col-span-2 {
  grid-column: span 2 / span 2;
}
.col-span-3 {
  grid-column: span 3 / span 3;
}

.divide-y > * + * {
  border-top: 1px solid;
}
.divide-slate-100 > * + * {
  border-color: var(--slate-100, #f1f5f9);
}

/* ── 6. Typography Classes ───────────────────────────────────────────────── */

.text-xs {
  font-size: 0.75rem;
  line-height: 1rem;
}
.text-sm {
  font-size: 0.875rem;
  line-height: 1.25rem;
}
.text-base {
  font-size: 1rem;
  line-height: 1.5rem;
}
.text-lg {
  font-size: 1.125rem;
  line-height: 1.75rem;
}
.text-xl {
  font-size: 1.25rem;
  line-height: 1.75rem;
}
.text-2xl {
  font-size: 1.5rem;
  line-height: 2rem;
}
.text-3xl {
  font-size: 1.875rem;
  line-height: 2.25rem;
}
.text-4xl {
  font-size: 2.25rem;
  line-height: 2.5rem;
}
.text-\[10px\] {
  font-size: 10px;
}

.font-medium {
  font-weight: 500;
}
.font-semibold {
  font-weight: 600;
}
.font-bold {
  font-weight: 700;
}
.font-extrabold {
  font-weight: 800;
}
.font-black {
  font-weight: 900;
}
.font-mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.leading-relaxed {
  line-height: 1.625;
}
.leading-snug {
  line-height: 1.375;
}
.leading-tight {
  line-height: 1.25;
}

.tracking-wide {
  letter-spacing: 0.025em;
}
.tracking-widest {
  letter-spacing: 0.1em;
}
.tracking-tight {
  letter-spacing: -0.025em;
}

.uppercase {
  text-transform: uppercase;
}
.antialiased {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
.font-sans {
  font-family: var(--font-sans);
}

.text-center {
  text-align: center;
}
.text-left {
  text-align: left;
}
.text-right {
  text-align: right;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.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;
}

/* Colours */
.text-white {
  color: #ffffff !important;
}
.text-slate-300 {
  color: var(--slate-300);
}
.text-slate-400 {
  color: var(--slate-400);
}
.text-slate-500 {
  color: var(--slate-500);
}
.text-slate-600 {
  color: var(--slate-600);
}
.text-slate-700 {
  color: var(--slate-700);
}
.text-slate-900 {
  color: var(--slate-900);
}
.text-green-400 {
  color: #4ade80;
}
.text-green-600 {
  color: var(--success-600);
}
.text-amber-600 {
  color: #d97706;
}
.text-yellow-500 {
  color: var(--warning-500);
}
.text-yellow-700 {
  color: var(--warning-600);
}
.text-red-600 {
  color: var(--danger-600);
}
.text-purple-400 {
  color: #c084fc;
}
.text-purple-600 {
  color: #9333ea;
}
.text-purple-700 {
  color: #7e22ce;
}

.hover\:text-white:hover {
  color: #ffffff;
}
.hover\:text-primary-400:hover {
  color: var(--primary-400);
}
.hover\:text-purple-700:hover {
  color: #7e22ce;
}
.hover\:underline:hover {
  text-decoration: underline;
}
.hover\:underline {
  text-decoration: none;
}

/* ── 7. Backgrounds ──────────────────────────────────────────────────────── */

.bg-white {
  background-color: #ffffff;
}
.bg-slate-50 {
  background-color: var(--slate-50);
}
.bg-slate-100 {
  background-color: #f1f5f9;
}
.bg-slate-900 {
  background-color: var(--slate-900);
}
.bg-green-50 {
  background-color: var(--success-50);
}
.bg-amber-50 {
  background-color: var(--warning-50);
}
.bg-red-50 {
  background-color: var(--danger-50);
}
.bg-red-500 {
  background-color: var(--danger-500);
}
.bg-purple-50 {
  background-color: var(--purple-50);
}
.bg-yellow-50 {
  background-color: #fefce8;
}

/* ── 8. Borders ──────────────────────────────────────────────────────────── */

.border {
  border: 1px solid var(--slate-200);
}
.border-2 {
  border: 2px solid;
}
.border-b {
  border-bottom: 1px solid var(--slate-200);
}
.border-t {
  border-top: 1px solid var(--slate-200);
}
.border-white {
  border-color: #ffffff;
}
.border-slate-100 {
  border-color: #f1f5f9;
}
.border-slate-200 {
  border-color: var(--slate-200);
}
.border-slate-800 {
  border-color: var(--slate-800);
}
.border-purple-100 {
  border-color: #ede9fe;
}

.rounded-lg {
  border-radius: var(--radius-sm);
}
.rounded-xl {
  border-radius: var(--radius-md);
}
.rounded-2xl {
  border-radius: var(--radius-lg);
}
.rounded-full {
  border-radius: var(--radius-full);
}
.rounded-bl-xl {
  border-bottom-left-radius: var(--radius-md);
}

/* ── 9. Shadows ──────────────────────────────────────────────────────────── */

.shadow-sm {
  box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
}
.shadow-md {
  box-shadow:
    0 4px 6px -1px rgb(0 0 0 / 0.1),
    0 2px 4px -2px rgb(0 0 0 / 0.1);
}
.shadow-lg {
  box-shadow:
    0 10px 15px -3px rgb(0 0 0 / 0.1),
    0 4px 6px -4px rgb(0 0 0 / 0.1);
}
.shadow-2xl {
  box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.25);
}

/* ── 10. Positioning ─────────────────────────────────────────────────────── */

.relative {
  position: relative;
}
.absolute {
  position: absolute;
}
.fixed {
  position: fixed;
}
.sticky {
  position: sticky;
}
.inset-0 {
  inset: 0;
}
.inset-x-0 {
  left: 0;
  right: 0;
}
.top-0 {
  top: 0;
}
.top-16 {
  top: 4rem;
}
.left-0 {
  left: 0;
}
.right-0 {
  right: 0;
}
.-top-40 {
  top: -10rem;
}

.z-0 {
  z-index: 0;
}
.z-40 {
  z-index: 40;
}
.z-50 {
  z-index: 50;
}
.-z-0 {
  z-index: 0;
}

/* ── 11. Overflow ────────────────────────────────────────────────────────── */

.overflow-hidden {
  overflow: hidden;
}
.object-cover {
  object-fit: cover;
}

/* ── 12. Visibility ──────────────────────────────────────────────────────── */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ── 13. Transitions & Animations ────────────────────────────────────────── */

.transition-all {
  transition: all 0.2s ease;
}
.transition-colors {
  transition:
    color 0.2s ease,
    background-color 0.2s ease,
    border-color 0.2s ease;
}
.transition-transform {
  transition: transform 0.2s ease;
}
.duration-200 {
  transition-duration: 0.2s;
}
.duration-300 {
  transition-duration: 0.3s;
}

.blur-3xl {
  filter: blur(64px);
}
.backdrop-blur-md {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.backdrop-blur-sm {
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.brightness-110 {
  filter: brightness(1.1);
}

.cursor-pointer {
  cursor: pointer;
}
.list-none {
  list-style: none;
}

/* ── Group hover support ─────────────────────────────────────────────────── */
.group:hover .group-hover\:bg-purple-600 {
  background-color: #9333ea;
}
.group:hover .group-hover\:text-white {
  color: #ffffff;
}
.group:hover .group-hover\:text-purple-700 {
  color: #7e22ce;
}
.group:hover .group-hover\:scale-105 {
  transform: scale(1.05);
}
.group:hover .group-hover\:translate-x-1 {
  transform: translateX(0.25rem);
}
.group:hover .group-hover\:stroke-purple-500 {
  stroke: #a855f7;
}

/* ── Hover effects ───────────────────────────────────────────────────────── */
.hover\:-translate-y-0\.5:hover {
  transform: translateY(-2px);
}
.hover\:shadow-lg:hover {
  box-shadow:
    0 10px 15px -3px rgb(0 0 0 / 0.1),
    0 4px 6px -4px rgb(0 0 0 / 0.1);
}
.hover\:shadow-md:hover {
  box-shadow:
    0 4px 6px -1px rgb(0 0 0 / 0.1),
    0 2px 4px -2px rgb(0 0 0 / 0.1);
}
.hover\:border-purple-300:hover {
  border-color: #d8b4fe;
}
.hover\:bg-slate-50:hover {
  background-color: var(--slate-50);
}
.hover\:bg-slate-800:hover {
  background-color: var(--slate-800);
}
.hover\:scale-105:hover {
  transform: scale(1.05);
}

.active\:scale-95:active {
  transform: scale(0.95);
}

/* ── 14. Component: Navbar ───────────────────────────────────────────────── */

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--slate-300);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-link:hover {
  color: #ffffff;
}
.nav-link.active {
  color: var(--primary-400);
}

#mobile-menu {
  transition:
    opacity 0.25s ease,
    transform 0.25s ease;
}
#mobile-menu.hidden-menu {
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
}
#mobile-backdrop {
  transition: opacity 0.25s ease;
}
#mobile-backdrop.hidden-menu {
  opacity: 0;
  pointer-events: none;
}

.bg-slate-900\/95 {
  background-color: rgba(15, 23, 42, 0.95);
}
.bg-black\/40 {
  background-color: rgba(0, 0, 0, 0.4);
}

/* ── 15. Component: Buttons ──────────────────────────────────────────────── */

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  background-color: var(--primary-600);
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: white;
  box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  transition: all 0.2s;
  text-decoration: none;
  border: none;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary:hover {
  background-color: var(--primary-500);
  transform: translateY(-2px);
  color: white;
}
.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  background-color: #f1f5f9;
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--slate-900);
  transition: all 0.2s;
  text-decoration: none;
  border: none;
  cursor: pointer;
  white-space: nowrap;
}
.btn-secondary:hover {
  background-color: var(--slate-200);
  transform: translateY(-2px);
  color: var(--slate-900);
}
.btn-secondary:active {
  transform: translateY(0);
}

/* ── 16. Component: Cards (generic shared styles) ───────────────────────── */

/* App card */
.app-card-wrapper {
  text-decoration: none;
  display: block;
  height: 100%;
}
.app-card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: #ffffff;
  border: 1px solid var(--slate-200);
  transition:
    box-shadow 0.3s,
    transform 0.3s,
    border-color 0.3s;
  overflow: hidden;
}
.app-card:hover {
  box-shadow:
    0 10px 15px -3px rgb(0 0 0 / 0.1),
    0 4px 6px -4px rgb(0 0 0 / 0.1);
  transform: translateY(-2px);
  border-color: #d8b4fe;
}

/* ── 17. Component: Table of Contents ────────────────────────────────────── */

.toc-wrapper {
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
}
.toc-wrapper h4 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slate-500);
  margin: 0 0 0.75rem 0;
}
.toc-wrapper ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.toc-wrapper li a {
  font-size: 0.875rem;
  color: var(--slate-600);
  text-decoration: none;
  display: block;
  padding: 0.2rem 0;
  transition: color 0.15s;
}
.toc-wrapper li a:hover {
  color: var(--primary-600);
}
.toc-wrapper li.toc-h3 {
  padding-left: 1rem;
}
.toc-wrapper li.toc-h3 a {
  font-size: 0.8rem;
  color: var(--slate-500);
}
.not-prose {
  /* override prose inheritance on toc */
  max-width: none;
}

/* ── 18. Component: Anchor Offset (sticky nav) ───────────────────────────── */

.anchor-offset {
  display: block;
  position: relative;
  top: -80px;
  visibility: hidden;
  pointer-events: none;
}

/* ── 19. Component: Prose (Markdown Content) ─────────────────────────────── */

.prose {
  color: var(--slate-800);
  font-size: 1rem;
  line-height: 1.75;
  max-width: 65ch;
}
.prose.max-w-none {
  max-width: none;
}

.prose h1 {
  font-size: 2.25em;
  margin-top: 0;
  margin-bottom: 0.9em;
  line-height: 1.1;
  font-weight: 800;
  color: var(--slate-900);
}
.prose h2 {
  font-size: 1.5em;
  margin-top: 2em;
  margin-bottom: 1em;
  line-height: 1.35;
  font-weight: 700;
  color: var(--slate-900);
}
.prose h3 {
  font-size: 1.25em;
  margin-top: 1.6em;
  margin-bottom: 0.6em;
  line-height: 1.6;
  font-weight: 700;
  color: var(--slate-900);
}
.prose h4 {
  font-size: 1em;
  margin-top: 1.5em;
  margin-bottom: 0.5em;
  line-height: 1.5;
  font-weight: 600;
  color: var(--slate-900);
}

.prose p {
  margin-top: 1.25em;
  margin-bottom: 1.25em;
}
.prose strong {
  color: var(--slate-900);
  font-weight: 700;
}
.prose em {
  font-style: italic;
}

.prose a {
  color: var(--primary-600) !important;
  text-decoration: underline;
  font-weight: 500;
}
.prose a:hover {
  color: var(--primary-500) !important;
}

.prose ul {
  list-style-type: disc;
  margin: 1.25em 0;
  padding-left: 1.625em;
}
.prose ol {
  list-style-type: decimal;
  margin: 1.25em 0;
  padding-left: 1.625em;
}
.prose li {
  margin: 0.5em 0;
  padding-left: 0.375em;
}
.prose ul > li::marker {
  color: var(--primary-500);
}
.prose ol > li::marker {
  color: var(--slate-500);
  font-weight: 400;
}

.prose blockquote {
  font-weight: 500;
  font-style: italic;
  color: var(--slate-600);
  border-left: 4px solid var(--primary-500);
  margin: 1.6em 0;
  padding: 0.9rem 1.25rem;
  background: var(--slate-50);
  border-radius: 0 0.5rem 0.5rem 0;
}
.prose blockquote p {
  margin: 0;
  font-style: normal;
}

.prose code {
  color: var(--primary-600);
  font-weight: 600;
  font-size: 0.875em;
  background: var(--primary-50);
  padding: 0.15em 0.4em;
  border-radius: 0.25em;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}
.prose pre {
  color: #e2e8f0;
  background-color: var(--slate-800);
  overflow-x: auto;
  font-size: 0.875em;
  line-height: 1.7;
  margin: 1.7em 0;
  border-radius: var(--radius-md);
  padding: 1.14em 1.7em;
}
.prose pre code {
  background: none;
  color: inherit;
  font-size: inherit;
  padding: 0;
}

.prose hr {
  border: none;
  border-top: 1px solid var(--slate-200);
  margin: 3em 0;
}

.prose img {
  margin: 2em auto;
  border-radius: var(--radius-lg);
  max-width: 100%;
  height: auto;
  display: block;
}

/* prose-lg */
.prose-lg {
  font-size: 1.125rem;
  line-height: 1.78;
}
.prose-lg p {
  margin-top: 1.33em;
  margin-bottom: 1.33em;
}
.prose-lg h2 {
  font-size: 1.56em;
}
.prose-lg h3 {
  font-size: 1.33em;
}

/* prose modifier passthrough classes */
.prose-headings\:font-bold h1,
.prose-headings\:font-bold h2,
.prose-headings\:font-bold h3,
.prose-headings\:font-bold h4 {
  font-weight: 700;
}

.prose-headings\:tracking-tight h1,
.prose-headings\:tracking-tight h2,
.prose-headings\:tracking-tight h3,
.prose-headings\:tracking-tight h4 {
  letter-spacing: -0.025em;
}

.prose-img\:rounded-2xl img {
  border-radius: var(--radius-lg);
}
.prose-img\:shadow-sm img {
  box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
}
.prose-a\:text-purple-700 a {
  color: #7e22ce !important;
}

/* ── Prose tables ── */
.prose table {
  width: 100% !important;
  border-collapse: collapse !important;
  font-size: 0.875rem;
  margin: 1.25rem 0;
}
.prose table thead,
.prose table th {
  display: none !important;
}
.prose table tbody tr:nth-child(odd) td {
  background-color: #f4f4f4;
}
.prose table tbody tr:nth-child(even) td {
  background-color: #ffffff;
}
.prose table td {
  padding: 8px 10px;
  color: var(--slate-800);
  vertical-align: middle;
  line-height: 1.5;
  word-break: break-word;
  border: none;
}
.prose table td:first-child {
  font-weight: 700;
  width: 40%;
}
.prose table td:last-child {
  color: var(--slate-700);
}

/* ── Prose image limit on desktop ── */
@media (min-width: 768px) {
  .prose img {
    max-height: 480px;
    width: auto;
    object-fit: contain;
    margin-left: auto;
    margin-right: auto;
  }
}

/* ── 20. Component: FAQ Accordion ────────────────────────────────────────── */

details {
  border-radius: var(--radius-md);
  overflow: hidden;
}
details summary {
  list-style: none;
}
details summary::-webkit-details-marker {
  display: none;
}
details[open] summary span svg {
  transform: rotate(180deg);
}
details summary span svg {
  transition: transform 0.2s ease;
}

/* ── 21. Lead paragraph ──────────────────────────────────────────────────── */
.lead {
  font-size: 1.25rem;
  line-height: 1.75;
  color: var(--slate-600);
}

/* ── 22. Responsive Breakpoints ─────────────────────────────────────────── */

/* sm: 640px */
@media (min-width: 640px) {
  .sm\:flex {
    display: flex;
  }
  .sm\:flex-row {
    flex-direction: row;
  }
  .sm\:hidden {
    display: none;
  }
  .sm\:inline-flex {
    display: inline-flex;
  }
  .sm\:items-start {
    align-items: flex-start;
  }
  .sm\:justify-start {
    justify-content: flex-start;
  }
  .sm\:text-left {
    text-align: left;
  }
  .sm\:text-right {
    text-align: right;
  }
  .sm\:text-2xl {
    font-size: 1.5rem;
    line-height: 2rem;
  }
  .sm\:text-3xl {
    font-size: 1.875rem;
    line-height: 2.25rem;
  }
  .sm\:text-4xl {
    font-size: 2.25rem;
    line-height: 2.5rem;
  }
  .sm\:text-6xl {
    font-size: 3.75rem;
    line-height: 1;
  }
  .sm\:w-32 {
    width: 8rem;
  }
  .sm\:h-32 {
    height: 8rem;
  }
  .sm\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .sm\:grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .sm\:gap-12 {
    gap: 3rem;
  }
  .sm\:p-8 {
    padding: 2rem;
  }
  .sm\:p-10 {
    padding: 2.5rem;
  }
  .sm\:px-6 {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
  .sm\:py-16 {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }
  .sm\:py-20 {
    padding-top: 5rem;
    padding-bottom: 5rem;
  }
  .sm\:py-32 {
    padding-top: 8rem;
    padding-bottom: 8rem;
  }
  .sm\:-top-80 {
    top: -20rem;
  }
  .prose table td {
    padding: 10px 14px;
  }
  .prose table td:first-child {
    width: 30%;
    white-space: nowrap;
  }
  .prose table {
    font-size: 0.95rem;
  }
}

/* md: 768px */
@media (min-width: 768px) {
  .md\:flex {
    display: flex;
  }
  .md\:hidden {
    display: none;
  }
  .md\:block {
    display: block;
  }
  .md\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .md\:grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .md\:col-span-1 {
    grid-column: span 1 / span 1;
  }
  .md\:col-span-3 {
    grid-column: span 3 / span 3;
  }
  .md\:text-5xl {
    font-size: 3rem;
    line-height: 1;
  }
  .md\:bg-white {
    background-color: #ffffff;
  }
  .md\:border {
    border: 1px solid var(--slate-200);
  }
  .md\:border-slate-200 {
    border-color: var(--slate-200);
  }
  .md\:shadow-sm {
    box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  }
  .md\:p-10 {
    padding: 2.5rem;
  }
  .md\:px-6 {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

/* lg: 1024px */
@media (min-width: 1024px) {
  .lg\:block {
    display: block;
  }
  .lg\:grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .lg\:px-8 {
    padding-left: 2rem;
    padding-right: 2rem;
  }
  .lg\:text-7xl {
    font-size: 4.5rem;
    line-height: 1;
  }
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

/* ── Additions to match Next.js version ─────────────────────────────────── */

.glass {
  background-color: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(226, 232, 240, 0.5);
  box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  transition: all 0.2s;
}

.rounded-3xl {
  border-radius: 1.5rem;
}
.grid-cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.border-l {
  border-left: 1px solid var(--slate-200);
}
.border-r {
  border-right: 1px solid var(--slate-200);
}
.italic {
  font-style: italic;
}

.text-primary-400 {
  color: var(--primary-400);
}
.text-primary-500 {
  color: var(--primary-500);
}
.text-primary-600 {
  color: var(--primary-600);
}

.group:hover .group-hover\:text-primary-500 {
  color: var(--primary-500);
}

.prose-a\:text-primary-600 a {
  color: var(--primary-600) !important;
}

@media (min-width: 768px) {
  .md\:p-8 {
    padding: 2rem;
  }
}