/* =========================================================================
   Rajagames.ink — Main stylesheet
   Mobile-first. Dark default. Light theme via [data-theme="light"].
   No external dependencies.
   ========================================================================= */

/* -------------------------------------------------------------------------
   1. Tokens
   ------------------------------------------------------------------------- */
:root {
  --bg:            #0F1115;
  --bg-elev:       #12151A;
  --surface:       #181B21;
  --surface-2:     #1F2329;
  --surface-3:     #262B33;
  --border:        #2A2F38;
  --border-strong: #3A414D;

  --text:          #E8EAED;
  --text-muted:    #9AA1AC;
  --text-dim:      #6E7681;

  --primary:       #F5A524;
  --primary-hover: #FFC94A;
  --primary-soft:  rgba(245, 165, 36, 0.12);

  --success:       #3FB950;
  --warning:       #F0883E;
  --danger:        #F85149;
  --info:          #58A6FF;

  --link:          #FFC94A;
  --link-hover:    #FFD874;
  --focus:         #FFC94A;

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
               Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
               "Liberation Mono", monospace;

  --fs-xs:   0.8125rem;
  --fs-sm:   0.875rem;
  --fs-base: 1rem;
  --fs-md:   1.0625rem;
  --fs-lg:   1.125rem;
  --fs-xl:   1.25rem;
  --fs-2xl:  1.5rem;
  --fs-3xl:  1.875rem;
  --fs-4xl:  2.25rem;
  --fs-5xl:  2.75rem;
  --fs-6xl:  3.25rem;

  --lh-tight: 1.25;
  --lh-snug:  1.4;
  --lh-base:  1.65;
  --lh-loose: 1.8;

  --fw-regular: 400;
  --fw-medium:  500;
  --fw-semi:    600;
  --fw-bold:    700;

  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 20px;
  --s-6: 24px;
  --s-8: 32px;
  --s-10: 40px;
  --s-12: 48px;
  --s-16: 64px;
  --s-20: 80px;
  --s-24: 96px;

  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 20px;
  --r-full: 999px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.25);
  --shadow-md: 0 4px 14px rgba(0,0,0,0.30);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.40);

  --container-max: 1200px;
  --container-pad: 20px;
  --header-h: 64px;

  --t-fast: 120ms ease;
  --t-base: 200ms ease;
  --t-slow: 320ms ease;

  color-scheme: dark;
}

[data-theme="light"] {
  --bg:            #FFFFFF;
  --bg-elev:       #F7F8FA;
  --surface:       #FFFFFF;
  --surface-2:     #F3F4F6;
  --surface-3:     #E8EAED;
  --border:        #E1E4E8;
  --border-strong: #C9CED6;

  --text:          #1A1D21;
  --text-muted:    #57606A;
  --text-dim:      #808894;

  --primary:       #C97B0C;
  --primary-hover: #A8620A;
  --primary-soft:  rgba(201, 123, 12, 0.10);

  --link:          #A8620A;
  --link-hover:    #7C4906;
  --focus:         #A8620A;

  --shadow-sm: 0 1px 2px rgba(16,24,40,0.06);
  --shadow-md: 0 4px 14px rgba(16,24,40,0.08);
  --shadow-lg: 0 12px 32px rgba(16,24,40,0.12);

  color-scheme: light;
}

/* -------------------------------------------------------------------------
   2. Reset & base
   ------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  font-weight: var(--fw-regular);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.menu-open { overflow: hidden; }

img, svg, video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--link);
  text-decoration: none;
  transition: color var(--t-fast);
}
a:hover { color: var(--link-hover); text-decoration: underline; text-underline-offset: 3px; }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
  background: none;
  border: 0;
}

hr {
  border: 0;
  height: 1px;
  background: var(--border);
  margin: var(--s-8) 0;
}

::selection { background: var(--primary-soft); color: var(--text); }

/* -------------------------------------------------------------------------
   3. Typography
   ------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--s-4);
  color: var(--text);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: -0.015em;
  text-wrap: balance;
}

h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); margin-top: var(--s-10); }
h3 { font-size: var(--fs-xl);  margin-top: var(--s-8); }
h4 { font-size: var(--fs-lg);  margin-top: var(--s-6); }
h5 { font-size: var(--fs-md);  margin-top: var(--s-5); }
h6 { font-size: var(--fs-base); margin-top: var(--s-4); text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); }

p { margin: 0 0 var(--s-4); }
small { font-size: var(--fs-sm); color: var(--text-muted); }
strong, b { font-weight: var(--fw-semi); color: var(--text); }

code, kbd, samp {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--surface-2);
  padding: 2px 6px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
}

ul, ol { margin: 0 0 var(--s-4); padding-left: 1.35em; }
ul li, ol li { margin-bottom: var(--s-2); }
ul li::marker { color: var(--primary); }
ol li::marker { color: var(--primary); font-weight: var(--fw-semi); }

blockquote {
  margin: var(--s-6) 0;
  padding: var(--s-4) var(--s-5);
  border-left: 3px solid var(--primary);
  background: var(--surface-2);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  color: var(--text-muted);
  font-style: italic;
}

@media (min-width: 768px) {
  h1 { font-size: var(--fs-4xl); }
  h2 { font-size: var(--fs-3xl); }
  h3 { font-size: var(--fs-2xl); }
  body { font-size: var(--fs-md); }
}
@media (min-width: 1024px) {
  h1 { font-size: var(--fs-5xl); }
}

/* -------------------------------------------------------------------------
   4. Layout
   ------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.container-narrow { max-width: 780px; }
main { display: block; }
section { padding: var(--s-12) 0; }
@media (min-width: 768px) { section { padding: var(--s-16) 0; } }

.grid { display: grid; gap: var(--s-5); }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }

@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (min-width: 900px) {
  .grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .grid-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 12px;
  z-index: 1000;
  padding: 10px 14px;
  background: var(--primary);
  color: #0F1115;
  border-radius: var(--r-md);
  font-weight: var(--fw-semi);
}
.skip-link:focus { top: 12px; }

/* -------------------------------------------------------------------------
   5. Header
   ------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
}

.brand { display: inline-flex; align-items: center; }
.brand-logo { width: auto; height: 28px; }

.primary-nav { display: none; }
.primary-nav ul {
  display: flex;
  gap: var(--s-1);
  list-style: none;
  margin: 0;
  padding: 0;
}
.primary-nav a {
  display: inline-block;
  padding: 8px 12px;
  border-radius: var(--r-md);
  color: var(--text-muted);
  font-weight: var(--fw-medium);
  font-size: var(--fs-sm);
}
.primary-nav a:hover { color: var(--text); background: var(--surface-2); text-decoration: none; }
.primary-nav a.is-active { color: var(--text); background: var(--surface-2); }

.header-actions { display: flex; align-items: center; gap: var(--s-2); }

.theme-toggle,
.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: background var(--t-fast), border-color var(--t-fast);
}
.theme-toggle:hover,
.menu-toggle:hover { background: var(--surface-2); border-color: var(--border-strong); }

.theme-toggle-icon {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0 50%, transparent 50% 100%);
  box-shadow: inset -3px -3px 0 0 var(--bg);
}
[data-theme="light"] .theme-toggle-icon {
  background: linear-gradient(135deg, var(--primary) 0 100%);
  box-shadow: none;
}

.menu-toggle { display: inline-flex; flex-direction: column; gap: 4px; padding: 11px 10px; }
.menu-toggle span {
  display: block;
  width: 18px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--t-fast), opacity var(--t-fast);
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (min-width: 900px) {
  .primary-nav { display: block; }
  .menu-toggle { display: none; }
}

.mobile-menu {
  border-top: 1px solid var(--border);
  background: var(--bg-elev);
}
.mobile-menu nav { padding: var(--s-4) 0; }
.mobile-menu ul { list-style: none; margin: 0; padding: 0; }
.mobile-menu a {
  display: block;
  padding: 14px var(--container-pad);
  color: var(--text);
  font-weight: var(--fw-medium);
  border-bottom: 1px solid var(--border);
}
.mobile-menu a:hover { background: var(--surface-2); text-decoration: none; }
.mobile-menu li:last-child a { border-bottom: 0; }

/* -------------------------------------------------------------------------
   6. Breadcrumbs
   ------------------------------------------------------------------------- */
.breadcrumbs {
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
  padding: var(--s-3) 0;
  font-size: var(--fs-sm);
}
.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--text-muted);
}
.breadcrumbs li { display: inline-flex; align-items: center; gap: 6px; margin: 0; }
.breadcrumbs li + li::before { content: "/"; color: var(--text-dim); }
.breadcrumbs a { color: var(--text-muted); }
.breadcrumbs a:hover { color: var(--text); }
.breadcrumbs [aria-current="page"] { color: var(--text); font-weight: var(--fw-medium); }

/* -------------------------------------------------------------------------
   7. Hero
   ------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding: var(--s-12) 0 var(--s-12);
  background:
    radial-gradient(1000px 400px at 50% -50%, var(--primary-soft), transparent 70%),
    var(--bg-elev);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
@media (min-width: 768px) { .hero { padding: var(--s-20) 0; } }

.hero-eyebrow {
  display: inline-block;
  padding: 4px 10px;
  background: var(--primary-soft);
  color: var(--primary);
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--s-4);
}

.hero h1 {
  font-size: var(--fs-3xl);
  margin-bottom: var(--s-4);
  max-width: 22ch;
}
@media (min-width: 768px)  { .hero h1 { font-size: var(--fs-4xl); } }
@media (min-width: 1024px) { .hero h1 { font-size: var(--fs-5xl); } }

.hero-lead {
  font-size: var(--fs-lg);
  color: var(--text-muted);
  max-width: 60ch;
  margin-bottom: var(--s-8);
}
@media (min-width: 768px) { .hero-lead { font-size: var(--fs-xl); } }

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
  margin-bottom: var(--s-6);
}

.hero-note {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  max-width: 60ch;
  margin: 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-10);
  align-items: start;
}
@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: var(--s-16);
    align-items: center;
  }
}

.hero-copy { max-width: 60ch; }

.hero-links {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: var(--s-6);
  box-shadow: var(--shadow-md);
}
@media (min-width: 1024px) {
  .hero-links { padding: var(--s-8); }
}

.hero-links-title {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semi);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 0 0 var(--s-4);
}

.hero-links-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--s-2);
}
.hero-links-list li { margin: 0; }

.hero-links-list a {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--s-3) var(--s-4);
  border-radius: var(--r-md);
  border: 1px solid transparent;
  color: var(--text);
  text-decoration: none;
  transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}
.hero-links-list a:hover {
  background: var(--surface-2);
  border-color: var(--border-strong);
  text-decoration: none;
  transform: translateX(2px);
}
.hero-links-list a:hover .hero-links-label { color: var(--primary); }

.hero-links-label {
  font-size: var(--fs-base);
  font-weight: var(--fw-semi);
  color: var(--text);
  transition: color var(--t-fast);
}

.hero-links-desc {
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.hero-links-note {
  margin: var(--s-4) 0 0;
  padding-top: var(--s-4);
  border-top: 1px solid var(--border);
  font-size: var(--fs-xs);
  color: var(--text-dim);
}

/* -------------------------------------------------------------------------
   8. Buttons
   ------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--r-md);
  font-weight: var(--fw-semi);
  font-size: var(--fs-sm);
  line-height: 1;
  border: 1px solid transparent;
  transition: transform var(--t-fast), background var(--t-fast), border-color var(--t-fast), color var(--t-fast);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary { background: var(--primary); color: #0F1115; }
.btn-primary:hover { background: var(--primary-hover); color: #0F1115; }

.btn-secondary { background: var(--surface-2); color: var(--text); border-color: var(--border-strong); }
.btn-secondary:hover { background: var(--surface-3); color: var(--text); }

.btn-ghost { background: transparent; color: var(--text); border-color: var(--border-strong); }
.btn-ghost:hover { background: var(--surface-2); }

.btn-lg { padding: 14px 24px; font-size: var(--fs-base); }
.btn-block { width: 100%; }

/* -------------------------------------------------------------------------
   9. Cards
   ------------------------------------------------------------------------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--s-6);
  transition: border-color var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
}
.card:hover { border-color: var(--border-strong); }
.card a { color: inherit; }
.card a:hover { text-decoration: none; }

.card-link:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: var(--r-md);
  background: var(--primary-soft);
  color: var(--primary);
  margin-bottom: var(--s-4);
}

.card-title { margin: 0 0 var(--s-2); font-size: var(--fs-lg); font-weight: var(--fw-semi); }
.card-text  { margin: 0; color: var(--text-muted); font-size: var(--fs-sm); }
.card-meta  { margin-top: var(--s-4); font-size: var(--fs-xs); color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.06em; }

.step { position: relative; padding-left: 56px; }
.step-num {
  position: absolute;
  left: 0; top: 0;
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--r-full);
  background: var(--primary);
  color: #0F1115;
  font-weight: var(--fw-bold);
  font-size: var(--fs-base);
}

/* -------------------------------------------------------------------------
   10. Article body
   ------------------------------------------------------------------------- */
.article { padding: var(--s-10) 0 var(--s-16); }
.article-header { margin-bottom: var(--s-8); padding-bottom: var(--s-6); border-bottom: 1px solid var(--border); }
.article-header h1 { margin-bottom: var(--s-4); }
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2) var(--s-5);
  font-size: var(--fs-sm);
  color: var(--text-muted);
}
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }

.article-body {
  font-size: var(--fs-md);
  line-height: var(--lh-loose);
  color: var(--text);
}
.article-body > * + * { margin-top: var(--s-4); }
.article-body h2 { margin-top: var(--s-10); }
.article-body h3 { margin-top: var(--s-8); }
.article-body h2 + p, .article-body h3 + p { margin-top: var(--s-3); }
.article-body a { font-weight: var(--fw-medium); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.article-body ul, .article-body ol { padding-left: 1.4em; }
.article-body li + li { margin-top: 4px; }

.article-layout { display: grid; grid-template-columns: 1fr; gap: var(--s-10); }
@media (min-width: 1024px) {
  .article-layout.has-toc { grid-template-columns: 1fr 260px; }
}

.article-featured {
  margin: 0 0 var(--s-8);
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface-2);
}
.article-featured img { width: 100%; height: auto; display: block; }

.toc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--s-5);
  margin-bottom: var(--s-8);
}
.toc h2, .toc h3 {
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: 0 0 var(--s-3);
}
.toc ul { list-style: none; margin: 0; padding: 0; }
.toc li { margin: 0; }
.toc a {
  display: block;
  padding: 6px 0;
  color: var(--text-muted);
  font-size: var(--fs-sm);
  border-left: 2px solid transparent;
  padding-left: 10px;
}
.toc a:hover { color: var(--text); border-left-color: var(--primary); text-decoration: none; }

@media (min-width: 1024px) {
  .toc {
    position: sticky;
    top: calc(var(--header-h) + 16px);
    margin-bottom: 0;
    max-height: calc(100vh - var(--header-h) - 32px);
    overflow-y: auto;
  }
}

/* -------------------------------------------------------------------------
   11. FAQ / details
   ------------------------------------------------------------------------- */
.faq { display: grid; gap: var(--s-3); }

.faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: border-color var(--t-fast);
}
.faq details[open] { border-color: var(--border-strong); }

.faq summary {
  list-style: none;
  cursor: pointer;
  padding: var(--s-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  font-weight: var(--fw-semi);
  color: var(--text);
  font-size: var(--fs-base);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  width: 10px; height: 10px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
  transition: transform var(--t-fast);
  flex-shrink: 0;
  margin-right: 4px;
}
.faq details[open] summary::after { transform: rotate(-135deg); }

.faq .faq-answer {
  padding: 0 var(--s-5) var(--s-5);
  color: var(--text-muted);
  font-size: var(--fs-sm);
  line-height: var(--lh-base);
}
.faq .faq-answer p { margin: 0; }
.faq .faq-answer p + p { margin-top: var(--s-3); }

/* -------------------------------------------------------------------------
   12. Alerts / notices
   ------------------------------------------------------------------------- */
.alert {
  display: flex;
  gap: var(--s-3);
  padding: var(--s-4) var(--s-5);
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: var(--surface-2);
  font-size: var(--fs-sm);
  line-height: var(--lh-base);
  margin: var(--s-5) 0;
}
.alert strong { display: block; margin-bottom: 4px; }
.alert-info    { border-color: rgba(88,166,255,0.35);  background: rgba(88,166,255,0.08); }
.alert-warning { border-color: rgba(240,136,62,0.35);  background: rgba(240,136,62,0.08); }
.alert-danger  { border-color: rgba(248,81,73,0.35);   background: rgba(248,81,73,0.08); }
.alert-success { border-color: rgba(63,185,80,0.35);   background: rgba(63,185,80,0.08); }

/* -------------------------------------------------------------------------
   13. CTA band
   ------------------------------------------------------------------------- */
.cta-band {
  background: linear-gradient(135deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: var(--s-8) var(--s-6);
  text-align: center;
  margin: var(--s-10) 0;
}
.cta-band h2 { margin-top: 0; font-size: var(--fs-2xl); }
.cta-band p  { color: var(--text-muted); max-width: 55ch; margin: 0 auto var(--s-5); }

/* -------------------------------------------------------------------------
   14. Blog
   ------------------------------------------------------------------------- */
.blog-grid { display: grid; gap: var(--s-5); }
@media (min-width: 700px) { .blog-grid { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (min-width: 1000px){ .blog-grid { grid-template-columns: repeat(3, minmax(0,1fr)); } }

.post-card {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  transition: border-color var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
  height: 100%;
  overflow: hidden;
  color: inherit;
}
.post-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.post-card-image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
.post-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--t-slow);
}
.post-card:hover .post-card-image img { transform: scale(1.04); }

.post-card-body {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  padding: var(--s-6);
  flex: 1;
}

.post-card .post-cat {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  font-weight: var(--fw-semi);
}
.post-card h2,
.post-card h3 {
  margin: 0;
  font-size: var(--fs-lg);
  line-height: var(--lh-snug);
  color: var(--text);
}
.post-card p { color: var(--text-muted); font-size: var(--fs-sm); margin: 0; }
.post-card .post-meta { margin-top: auto; font-size: var(--fs-xs); color: var(--text-dim); }

/* -------------------------------------------------------------------------
   15. Related / next
   ------------------------------------------------------------------------- */
.related {
  margin-top: var(--s-12);
  padding-top: var(--s-8);
  border-top: 1px solid var(--border);
}
.related h2 { font-size: var(--fs-xl); margin-top: 0; }

/* -------------------------------------------------------------------------
   15.5 Floating buttons + install pill
   ------------------------------------------------------------------------- */
.floating-stack {
  position: fixed;
  right: 16px;
  bottom: 16px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
  z-index: 95;
  pointer-events: none;
}
.floating-stack > * { pointer-events: auto; }

.floating-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.floating-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  color: #0F1115;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
  text-decoration: none;
  position: relative;
  transition: transform 180ms ease, box-shadow 180ms ease;
}
.floating-btn::before {
  content: "";
  position: absolute;
  inset: 9px;
  background: rgba(255, 255, 255, 0.94);
  border-radius: 50%;
}
.floating-btn svg {
  display: block;
  position: relative;
  z-index: 1;
  color: #0F1115;
}
.floating-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.45);
  text-decoration: none;
  color: #0F1115;
}
.floating-btn:active { transform: translateY(0) scale(1); }

.floating-btn.is-pulse::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  box-shadow: 0 0 0 0 currentColor;
  animation: floating-pulse 2.4s ease-out infinite;
  opacity: 0.5;
  pointer-events: none;
}
@keyframes floating-pulse {
  0%   { box-shadow: 0 0 0 0 currentColor; }
  70%  { box-shadow: 0 0 0 14px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.install-pill {
  display: inline-flex;
  align-items: stretch;
  background: #E53935;
  color: #FFFFFF;
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(229, 57, 53, 0.35),
              0 2px 6px rgba(0, 0, 0, 0.20);
  overflow: hidden;
  transition: transform 180ms ease, box-shadow 180ms ease;
  animation: install-pill-in 320ms ease-out;
}
.install-pill[hidden] { display: none !important; }

.install-pill:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(229, 57, 53, 0.45),
              0 3px 8px rgba(0, 0, 0, 0.25);
}
@keyframes install-pill-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.install-pill-main {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px 10px 14px;
  background: transparent;
  border: 0;
  color: #FFFFFF;
  font: inherit;
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  white-space: nowrap;
}
.install-pill-main:hover { background: rgba(255, 255, 255, 0.08); }
.install-pill-main:active { background: rgba(255, 255, 255, 0.14); }
.install-pill-main:disabled { opacity: 0.65; cursor: progress; }

.install-pill-icon { display: block; flex-shrink: 0; }
.install-pill-text { display: inline-block; }

.install-pill-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  background: transparent;
  border: 0;
  border-left: 1px solid rgba(255, 255, 255, 0.22);
  color: rgba(255, 255, 255, 0.85);
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease;
}
.install-pill-close:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
}

body:has(.scroll-top:not([hidden])) .floating-stack { bottom: 72px; }

@supports not (selector(:has(*))) {
  @media (min-height: 500px) {
    .floating-stack { bottom: 72px; }
  }
}

@media (max-width: 380px) {
  .floating-btn { width: 46px; height: 46px; }
  .floating-btn::before { inset: 8px; }
  .install-pill-main { padding: 9px 14px 9px 12px; font-size: 14px; gap: 6px; }
  .install-pill-close { width: 32px; }
}

@media (prefers-reduced-motion: reduce) {
  .floating-btn,
  .floating-btn:hover {
    transition: none;
    transform: none;
  }
  .floating-btn.is-pulse::after { display: none; }
  .install-pill { animation: none; transition: none; }
  .install-pill:hover { transform: none; }
}

/* -------------------------------------------------------------------------
   15.55 Quick Install modal
   ------------------------------------------------------------------------- */
.qi-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.60);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--s-4);
}
.qi-overlay[hidden] { display: none !important; }

.qi-card {
  background: #FFFFFF;
  color: #1A1D21;
  border-radius: 20px;
  padding: 28px 24px 24px;
  width: 100%;
  max-width: 320px;
  position: relative;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  text-align: center;
  animation: qi-in 260ms cubic-bezier(0.34, 1.4, 0.64, 1);
}
@keyframes qi-in {
  from { opacity: 0; transform: translateY(12px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.qi-close {
  position: absolute;
  top: 8px;
  right: 10px;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  line-height: 1;
  color: #9AA1AC;
  background: transparent;
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease;
  z-index: 2;
}
.qi-close:hover {
  color: #1A1D21;
  background: #F3F4F6;
}

.qi-head {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 18px;
}

.qi-bolt {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #FFD84D;
  color: #1A1D21;
  flex-shrink: 0;
}
.qi-bolt svg { display: block; }

.qi-title {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  color: #1A1D21;
  letter-spacing: -0.01em;
}

.qi-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid #F4B740;
  background: #FFFAEB;
  color: #B47A00;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}
.qi-badge svg { display: block; flex-shrink: 0; }

.qi-card.is-progress .qi-badge { display: none; }
.qi-card.is-progress .qi-btn   { display: none; }

.qi-btn {
  display: block;
  width: 100%;
  padding: 14px 20px;
  border-radius: 12px;
  background: linear-gradient(180deg, #FFD84D 0%, #F4B740 100%);
  color: #1A1D21;
  font: inherit;
  font-size: 17px;
  font-weight: 700;
  border: 0;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(244, 183, 64, 0.35),
              inset 0 1px 0 rgba(255, 255, 255, 0.4);
  transition: transform 140ms ease, box-shadow 140ms ease;
}
.qi-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(244, 183, 64, 0.45),
              inset 0 1px 0 rgba(255, 255, 255, 0.4);
}
.qi-btn:active { transform: translateY(0); }
.qi-btn:disabled { opacity: 0.7; cursor: progress; }
.qi-btn[hidden] { display: none !important; }

.qi-progress {
  display: block;
  width: 100%;
  margin-top: 4px;
}
.qi-progress[hidden] { display: none !important; }

.qi-progress-track {
  position: relative;
  width: 100%;
  height: 44px;
  border-radius: 22px;
  background: #F3F4F6;
  overflow: hidden;
  border: 1px solid #E5E7EB;
}

.qi-progress-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #FFD84D 0%, #F4B740 100%);
  border-radius: 22px 0 0 22px;
  transition: width 400ms cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}
.qi-progress-fill::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    rgba(255,255,255,0) 0%,
    rgba(255,255,255,0.35) 50%,
    rgba(255,255,255,0) 100%);
  animation: qi-shine 1.6s linear infinite;
}
@keyframes qi-shine {
  from { transform: translateX(-100%); }
  to   { transform: translateX(100%); }
}

.qi-progress-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1A1D21;
  font-weight: 700;
  font-size: 15px;
  pointer-events: none;
  z-index: 2;
}

@media (max-width: 380px) {
  .qi-card { padding: 22px 18px 20px; max-width: 290px; }
  .qi-title { font-size: 20px; }
  .qi-btn { font-size: 16px; padding: 13px 18px; }
}

@media (prefers-reduced-motion: reduce) {
  .qi-card { animation: none; }
  .qi-progress-fill { transition: none; }
  .qi-progress-fill::after { animation: none; }
}

/* -------------------------------------------------------------------------
   15.6 iOS install instructions popup
   ------------------------------------------------------------------------- */
.pwa-ios-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 999;
  padding: var(--s-4);
}
.pwa-ios-overlay[hidden] { display: none !important; }

@media (min-width: 640px) {
  .pwa-ios-overlay { align-items: center; }
}

.pwa-ios-popup {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: var(--s-6);
  max-width: 420px;
  width: 100%;
  position: relative;
  box-shadow: var(--shadow-lg);
  color: var(--text);
}
@media (min-width: 640px) {
  .pwa-ios-popup { padding: var(--s-8); }
}

.pwa-ios-popup h2 {
  margin: 0 0 var(--s-4);
  font-size: var(--fs-xl);
  color: var(--text);
}

.pwa-ios-close {
  position: absolute;
  top: 8px;
  right: 12px;
  width: 36px;
  height: 36px;
  border-radius: var(--r-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  line-height: 1;
  color: var(--text-muted);
  background: transparent;
}
.pwa-ios-close:hover {
  color: var(--text);
  background: var(--surface-2);
}

.pwa-ios-steps {
  margin: 0 0 var(--s-4);
  padding-left: 1.4em;
  color: var(--text-muted);
  font-size: var(--fs-sm);
  line-height: var(--lh-base);
}
.pwa-ios-steps li { margin-bottom: var(--s-2); }
.pwa-ios-steps strong { color: var(--text); }

.pwa-ios-note {
  margin: 0 0 var(--s-5);
  font-size: var(--fs-xs);
  color: var(--text-dim);
}

/* -------------------------------------------------------------------------
   16. Footer
   ------------------------------------------------------------------------- */
.site-footer {
  background: var(--bg-elev);
  border-top: 1px solid var(--border);
  padding: var(--s-12) 0 var(--s-6);
  margin-top: var(--s-16);
  color: var(--text-muted);
  font-size: var(--fs-sm);
}

.footer-grid {
  display: grid;
  gap: var(--s-8);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 900px) { .footer-grid { grid-template-columns: 1.6fr 1fr 1fr 1fr; } }

.footer-col h3 {
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text);
  margin: 0 0 var(--s-4);
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: var(--s-2); }
.footer-col a { color: var(--text-muted); }
.footer-col a:hover { color: var(--text); }

.footer-note { color: var(--text-muted); margin-top: var(--s-4); max-width: 40ch; }
.brand-footer { display: inline-flex; }

.footer-bottom {
  margin-top: var(--s-8);
  padding-top: var(--s-5);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  font-size: var(--fs-xs);
  color: var(--text-dim);
}
.footer-bottom p { margin: 0; }
.footer-disclaimer { max-width: 90ch; }
@media (min-width: 768px) { .footer-bottom { flex-direction: row; justify-content: space-between; align-items: center; } }

.scroll-top {
  position: fixed;
  right: 16px; bottom: 16px;
  width: 42px; height: 42px;
  border-radius: var(--r-full);
  background: var(--primary);
  color: #0F1115;
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 90;
  transition: transform var(--t-fast), opacity var(--t-fast);
}
.scroll-top:hover { transform: translateY(-2px); }
.scroll-top[hidden] { display: none; }

/* -------------------------------------------------------------------------
   17. Reveal animation
   ------------------------------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(12px); transition: opacity var(--t-slow), transform var(--t-slow); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* -------------------------------------------------------------------------
   18. Utilities
   ------------------------------------------------------------------------- */
.text-center { text-align: center; }
.text-muted  { color: var(--text-muted); }
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--s-2); }
.mt-4 { margin-top: var(--s-4); }
.mt-6 { margin-top: var(--s-6); }
.mt-8 { margin-top: var(--s-8); }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--s-2); }
.mb-4 { margin-bottom: var(--s-4); }
.mb-6 { margin-bottom: var(--s-6); }
.mb-8 { margin-bottom: var(--s-8); }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.section-head { max-width: 68ch; margin-bottom: var(--s-8); }
.section-head .eyebrow {
  display: inline-block;
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: var(--fw-semi);
  color: var(--primary);
  margin-bottom: var(--s-3);
}
.section-head h2 { margin-top: 0; }
.section-head p { color: var(--text-muted); font-size: var(--fs-lg); margin: 0; }

/* -------------------------------------------------------------------------
   19. Print
   ------------------------------------------------------------------------- */
@media print {
  .site-header,
  .site-footer,
  .scroll-top,
  .mobile-menu,
  .breadcrumbs,
  .hero-cta,
  .btn,
  .floating-stack,
  .floating-buttons,
  .install-pill,
  .pwa-ios-overlay,
  .qi-overlay { display: none !important; }

  body { background: #fff; color: #000; }
  a { color: #000; text-decoration: underline; }
  .card, .faq details, .alert { border-color: #ccc; }
}