/* =========================================================
   Joint Relief Journal — arthritis care blog
   style.css
   1. Design tokens
   2. Reset & base
   3. Layout helpers
   4. Header & navigation
   5. Hero
   6. Sections, cards, empty state
   7. Article / post components
   8. Forms & newsletter
   9. Footer
   10. Utilities & responsive
   ========================================================= */

/* ---------- 1. Design tokens ---------- */
:root{
  --teal-50:#eef8f6;
  --teal-100:#d3ece7;
  --teal-300:#7cc6b8;
  --teal-500:#2f8d7b;
  --teal-600:#25705f;
  --teal-700:#1b5346;
  --amber-100:#fdf1dc;
  --amber-400:#e5a03c;
  --amber-500:#c9812a;

  --ink-900:#152423;
  --ink-700:#2c3d3b;
  --ink-500:#546563;
  --ink-300:#8b9997;

  --bg:#fbfaf7;
  --surface:#ffffff;
  --surface-alt:var(--teal-50);
  --border:#e2e6e3;

  --text:var(--ink-900);
  --text-muted:var(--ink-500);
  --accent:var(--teal-500);
  --accent-strong:var(--teal-700);
  --accent-soft:var(--teal-100);

  --radius-sm:8px;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(21,36,35,.06), 0 2px 8px rgba(21,36,35,.05);
  --shadow-md:0 8px 28px rgba(21,36,35,.09);

  --wrap:1140px;
  --gap:1.5rem;

  --font-body:"Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display:"Fraunces", Georgia, "Times New Roman", serif;

  --header-h:72px;
  --transition:200ms ease;
}

[data-theme="dark"]{
  --bg:#101a19;
  --surface:#162322;
  --surface-alt:#132020;
  --border:#263836;

  --text:#eaf3f1;
  --text-muted:#9fb3b0;
  --accent:#5cbfab;
  --accent-strong:#8ad8c6;
  --accent-soft:#1d3331;

  --shadow-sm:0 1px 2px rgba(0,0,0,.4);
  --shadow-md:0 10px 30px rgba(0,0,0,.45);
}

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

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}

body{
  margin:0;
  font-family:var(--font-body);
  font-size:1rem;
  line-height:1.7;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  transition:background var(--transition), color var(--transition);
}

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

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.2;
  color:var(--text);
  margin:0 0 .6em;
  letter-spacing:-.01em;
}
h1{font-size:clamp(2.1rem,4.6vw,3.4rem);}
h2{font-size:clamp(1.6rem,3vw,2.3rem);}
h3{font-size:1.22rem;}
h4{font-size:1rem;font-family:var(--font-body);font-weight:600;letter-spacing:.02em;}

p{margin:0 0 1.1rem;}

a{color:var(--accent-strong);text-decoration:none;transition:color var(--transition);}
a:hover{color:var(--accent);text-decoration:underline;}

ul,ol{margin:0 0 1.1rem;padding-left:1.2rem;}
li{margin-bottom:.4rem;}

blockquote{
  margin:1.6rem 0;
  padding:1rem 1.4rem;
  border-left:4px solid var(--accent);
  background:var(--surface-alt);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  font-style:italic;
  color:var(--text-muted);
}

code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.9em;
  background:var(--surface-alt);
  padding:.15em .4em;
  border-radius:4px;
}

hr{border:0;border-top:1px solid var(--border);margin:2.5rem 0;}

:focus-visible{
  outline:3px solid var(--accent);
  outline-offset:2px;
  border-radius:4px;
}

/* ---------- 3. Layout helpers ---------- */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:1.25rem;}

.section{padding:clamp(3rem,7vw,5.5rem) 0;}
.section-alt{background:var(--surface-alt);}

.section-head{max-width:56ch;margin-bottom:2.5rem;}
.section-head p{color:var(--text-muted);margin:0;}

.eyebrow{
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom:.9rem;
}

.lede{font-size:1.1rem;color:var(--text-muted);max-width:56ch;}

.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;
}

.skip-link{
  position:absolute;left:1rem;top:-3rem;z-index:200;
  background:var(--accent-strong);color:#fff;
  padding:.6rem 1rem;border-radius:0 0 var(--radius-sm) var(--radius-sm);
  transition:top var(--transition);
}
.skip-link:focus{top:0;text-decoration:none;}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.45rem;
  font-family:var(--font-body);font-size:.95rem;font-weight:600;
  padding:.75rem 1.5rem;border-radius:999px;border:1.5px solid transparent;
  cursor:pointer;text-decoration:none;
  transition:transform var(--transition), background var(--transition),
             color var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.btn:hover{text-decoration:none;transform:translateY(-2px);}
.btn:active{transform:translateY(0);}

.btn-primary{background:var(--accent-strong);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--accent);color:#fff;box-shadow:var(--shadow-md);}

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

/* ---------- 4. Header & navigation ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow var(--transition), background var(--transition);
}
.site-header.is-stuck{box-shadow:var(--shadow-sm);}

.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  min-height:var(--header-h);
}

.brand{display:inline-flex;align-items:center;gap:.7rem;color:var(--text);}
.brand:hover{text-decoration:none;color:var(--text);}
.brand-mark{
  display:grid;place-items:center;width:40px;height:40px;flex:0 0 40px;
  border-radius:12px;background:var(--accent-soft);color:var(--accent-strong);
}
.brand-mark svg{width:24px;height:24px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-family:var(--font-display);font-size:1.08rem;}
.brand-text small{font-size:.72rem;color:var(--text-muted);letter-spacing:.03em;}

.primary-nav{display:flex;align-items:center;gap:1rem;}
.primary-nav ul{display:flex;align-items:center;gap:.25rem;list-style:none;margin:0;padding:0;}
.primary-nav li{margin:0;}
.primary-nav a{
  display:block;padding:.5rem .7rem;border-radius:999px;
  font-size:.92rem;font-weight:500;color:var(--text-muted);
}
.primary-nav a:hover{background:var(--surface-alt);color:var(--accent-strong);text-decoration:none;}
.primary-nav a[aria-current="page"]{color:var(--accent-strong);background:var(--accent-soft);font-weight:600;}

.theme-toggle{
  display:inline-flex;align-items:center;gap:.4rem;
  background:transparent;border:1.5px solid var(--border);color:var(--text-muted);
  font-family:var(--font-body);font-size:.82rem;font-weight:600;
  padding:.42rem .8rem;border-radius:999px;cursor:pointer;
  transition:border-color var(--transition), color var(--transition);
}
.theme-toggle:hover{border-color:var(--accent);color:var(--accent-strong);}
.theme-icon{font-size:.95rem;}

.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 10px;
  background:transparent;border:1.5px solid var(--border);border-radius:12px;cursor:pointer;
}
.nav-toggle-bar{display:block;height:2px;background:var(--text);border-radius:2px;transition:transform var(--transition), opacity var(--transition);}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.scroll-progress{
  position:absolute;left:0;bottom:-1px;height:3px;width:0;
  background:linear-gradient(90deg,var(--accent),var(--amber-400));
  transition:width 80ms linear;
}

/* ---------- 5. Hero ---------- */
.hero{
  padding:clamp(3rem,7vw,5.5rem) 0;
  background:
    radial-gradient(900px 420px at 12% -10%, var(--accent-soft), transparent 65%),
    radial-gradient(700px 380px at 92% 8%, var(--amber-100), transparent 60%);
}
[data-theme="dark"] .hero{
  background:
    radial-gradient(900px 420px at 12% -10%, #17332e, transparent 65%),
    radial-gradient(700px 380px at 92% 8%, #2a2418, transparent 60%);
}

.hero-inner{display:grid;grid-template-columns:1.35fr .95fr;gap:clamp(1.5rem,4vw,3rem);align-items:center;}
.hero-copy h1{margin-bottom:1rem;}
.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem;margin:1.6rem 0 2rem;}

.hero-stats{display:flex;flex-wrap:wrap;gap:1.75rem;list-style:none;margin:0;padding:0;}
.hero-stats li{display:flex;flex-direction:column;margin:0;}
.hero-stats strong{font-family:var(--font-display);font-size:1.7rem;color:var(--accent-strong);line-height:1;}
.hero-stats span{font-size:.8rem;color:var(--text-muted);letter-spacing:.04em;text-transform:uppercase;margin-top:.3rem;}

.hero-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:1.6rem;box-shadow:var(--shadow-md);
}
.hero-card h2{font-size:1.15rem;margin-bottom:1rem;}

.topic-list{list-style:none;margin:0;padding:0;}
.topic-list li{margin:0;border-top:1px solid var(--border);}
.topic-list li:first-child{border-top:0;}
.topic-list a{
  display:flex;flex-direction:column;gap:.15rem;
  padding:.8rem .2rem;color:var(--text);
}
.topic-list a:hover{text-decoration:none;color:var(--accent-strong);}
.topic-list span{font-weight:600;font-size:.98rem;}
.topic-list em{font-style:normal;font-size:.85rem;color:var(--text-muted);}

/* ---------- 6. Sections, cards, empty state ---------- */
.card-grid{
  display:grid;gap:var(--gap);
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
}

.topic-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:1.6rem;
  box-shadow:var(--shadow-sm);
  transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--accent);}
.topic-card h3{margin-bottom:.5rem;}
.topic-card h3 a{color:var(--text);}
.topic-card h3 a:hover{color:var(--accent-strong);text-decoration:none;}
.topic-card p{color:var(--text-muted);font-size:.94rem;margin-bottom:1rem;}

.topic-icon{
  display:grid;place-items:center;width:44px;height:44px;
  border-radius:12px;background:var(--accent-soft);
  font-size:1.25rem;margin-bottom:1rem;
}

.count-badge{
  display:inline-block;font-size:.75rem;font-weight:600;letter-spacing:.05em;
  text-transform:uppercase;color:var(--accent-strong);
  background:var(--accent-soft);padding:.28rem .7rem;border-radius:999px;
}

.empty-state{
  text-align:center;max-width:44rem;margin-inline:auto;
  background:var(--surface);border:1px dashed var(--border);
  border-radius:var(--radius-lg);padding:clamp(2rem,5vw,3.5rem) 1.5rem;
}
.empty-state h3{font-size:1.4rem;margin-bottom:.5rem;}
.empty-state p{color:var(--text-muted);max-width:44ch;margin-inline:auto;}
.empty-illustration{display:inline-grid;place-items:center;color:var(--accent);margin-bottom:1rem;}
.empty-illustration svg{width:64px;height:64px;}

/* Info / callout boxes used on topic pages */
.callout{
  display:flex;gap:1rem;align-items:flex-start;
  background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--accent);
  border-radius:var(--radius-sm);padding:1.1rem 1.25rem;margin:2rem 0;
}
.callout .callout-icon{font-size:1.3rem;line-height:1.4;}
.callout p:last-child{margin-bottom:0;}
.callout-warn{border-left-color:var(--amber-500);}

/* Simple two-column prose layout for topic pages */
.page-head{
  padding:clamp(2.5rem,6vw,4rem) 0 2rem;
  background:var(--surface-alt);
  border-bottom:1px solid var(--border);
}
.page-head .lede{margin-bottom:0;}

.breadcrumbs{font-size:.85rem;color:var(--text-muted);margin-bottom:1rem;}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:.4rem;list-style:none;margin:0;padding:0;}
.breadcrumbs li{margin:0;}
.breadcrumbs li+li::before{content:"/";margin-right:.4rem;color:var(--ink-300);}

.layout-split{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:clamp(1.5rem,4vw,3rem);align-items:start;}

.sidebar{position:sticky;top:calc(var(--header-h) + 1.5rem);display:grid;gap:1.25rem;}
.widget{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:1.25rem;box-shadow:var(--shadow-sm);
}
.widget h4{margin-bottom:.75rem;font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);}
.widget ul{list-style:none;margin:0;padding:0;}
.widget li{margin:0;border-top:1px solid var(--border);}
.widget li:first-child{border-top:0;}
.widget li a{display:block;padding:.55rem 0;font-size:.93rem;color:var(--text);}
.widget li a:hover{color:var(--accent-strong);text-decoration:none;}
.widget p{font-size:.9rem;color:var(--text-muted);margin-bottom:0;}

.tag-cloud{display:flex;flex-wrap:wrap;gap:.45rem;}
.tag-cloud a{
  font-size:.8rem;font-weight:500;color:var(--text-muted);
  border:1px solid var(--border);border-radius:999px;padding:.3rem .7rem;
}
.tag-cloud a:hover{border-color:var(--accent);color:var(--accent-strong);text-decoration:none;background:var(--accent-soft);}

/* ---------- 7. Article / post components ---------- */
.post-grid{
  display:grid;gap:var(--gap);
  grid-template-columns:repeat(auto-fill,minmax(290px,1fr));
}
.post-grid:empty{display:none;}

.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);box-shadow:var(--shadow-sm);
  transition:transform var(--transition), box-shadow var(--transition);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}

.post-thumb{position:relative;display:block;aspect-ratio:16/9;background:var(--surface-alt);overflow:hidden;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-tag{
  position:absolute;left:.75rem;top:.75rem;
  font-size:.72rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;
  background:var(--surface);color:var(--accent-strong);
  padding:.25rem .6rem;border-radius:999px;box-shadow:var(--shadow-sm);
}

.post-body{display:flex;flex-direction:column;flex:1;padding:1.25rem;}
.post-meta{font-size:.8rem;color:var(--text-muted);margin-bottom:.5rem;}
.post-body h3{font-size:1.12rem;margin-bottom:.5rem;}
.post-body h3 a{color:var(--text);}
.post-body h3 a:hover{color:var(--accent-strong);text-decoration:none;}
.post-excerpt{font-size:.93rem;color:var(--text-muted);flex:1;}
.read-more{font-size:.88rem;font-weight:600;display:inline-flex;gap:.3rem;align-items:center;}
.read-more:hover{text-decoration:none;gap:.55rem;}

/* Single article page */
.article{max-width:72ch;}
.article-header{margin-bottom:2rem;}
.article-meta{
  display:flex;flex-wrap:wrap;gap:.6rem;align-items:center;
  font-size:.86rem;color:var(--text-muted);margin-bottom:1rem;
}
.article-body h2{margin-top:2.4rem;}
.article-body h3{margin-top:1.8rem;}
.article-body figure{margin:2rem 0;}
.article-body figcaption{font-size:.85rem;color:var(--text-muted);margin-top:.5rem;text-align:center;}
.article-body img{border-radius:var(--radius);}

.author-box{
  display:flex;gap:1rem;align-items:center;
  background:var(--surface-alt);border-radius:var(--radius);
  padding:1.25rem;margin-top:2.5rem;
}
.author-avatar{
  width:56px;height:56px;flex:0 0 56px;border-radius:50%;
  background:var(--accent-soft);display:grid;place-items:center;
  font-family:var(--font-display);font-size:1.2rem;color:var(--accent-strong);
}
.author-box p{margin:0;font-size:.9rem;color:var(--text-muted);}
.author-box strong{color:var(--text);}

/* ---------- 8. Forms & newsletter ---------- */
.newsletter{background:var(--accent-soft);}
[data-theme="dark"] .newsletter{background:var(--surface-alt);}
.newsletter-inner{display:grid;grid-template-columns:1.1fr 1fr;gap:2rem;align-items:center;}
.newsletter h2{margin-bottom:.4rem;}
.newsletter p{color:var(--text-muted);margin:0;}

.subscribe-form{display:flex;flex-wrap:wrap;gap:.6rem;position:relative;}
.subscribe-form input{flex:1 1 220px;}

input[type="text"],input[type="email"],select,textarea{
  width:100%;font-family:var(--font-body);font-size:.95rem;color:var(--text);
  background:var(--surface);border:1.5px solid var(--border);
  border-radius:var(--radius-sm);padding:.75rem .9rem;
  transition:border-color var(--transition), box-shadow var(--transition);
}
input:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}
textarea{min-height:150px;resize:vertical;}

.form-grid{display:grid;gap:1.1rem;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));}
.field{display:flex;flex-direction:column;gap:.4rem;}
.field label{font-size:.88rem;font-weight:600;}
.field-full{grid-column:1/-1;}
.field-hint{font-size:.8rem;color:var(--text-muted);}
.field-error{font-size:.82rem;color:#c0392b;min-height:1.1rem;}
[data-theme="dark"] .field-error{color:#ff9b8f;}
input.invalid,textarea.invalid{border-color:#c0392b;}

.form-note{flex:1 1 100%;font-size:.85rem;margin:.2rem 0 0;color:var(--accent-strong);min-height:1.2rem;}
.form-note.error{color:#c0392b;}
[data-theme="dark"] .form-note.error{color:#ff9b8f;}

/* ---------- 9. Footer ---------- */
.site-footer{
  background:var(--surface);
  border-top:1px solid var(--border);
  padding-top:clamp(2.5rem,5vw,3.5rem);
  margin-top:0;
}
.footer-grid{
  display:grid;gap:2rem;
  grid-template-columns:1.4fr repeat(3,1fr);
  padding-bottom:2.5rem;
}
.footer-col h4{margin-bottom:.8rem;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);}
.footer-col p{font-size:.9rem;color:var(--text-muted);margin:0;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:.45rem;}
.footer-col a{font-size:.92rem;color:var(--text);}
.footer-col a:hover{color:var(--accent-strong);text-decoration:none;}
.footer-brand{font-family:var(--font-display);font-size:1.15rem;display:block;margin-bottom:.6rem;}
.disclaimer{font-size:.82rem !important;line-height:1.6;}

.footer-bottom{
  display:flex;flex-wrap:wrap;gap:1rem;align-items:center;justify-content:space-between;
  border-top:1px solid var(--border);padding-block:1.1rem;
}
.footer-bottom p{margin:0;font-size:.85rem;color:var(--text-muted);}
.to-top{
  background:transparent;border:1.5px solid var(--border);border-radius:999px;
  color:var(--text-muted);font-family:var(--font-body);font-size:.82rem;font-weight:600;
  padding:.4rem .9rem;cursor:pointer;transition:border-color var(--transition), color var(--transition);
}
.to-top:hover{border-color:var(--accent);color:var(--accent-strong);}

/* كونسول البطاقة المزدوجة (صورة + نص) */
.media-block {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin: 1.5rem 0;
  background-color: #f9f9f9;
  padding: 1rem;
  border-radius: 8px;
}

/* الشرح النصي على اليمين */
.media-block .media-text {
  flex: 1;
}

/* حاوية الصورة على اليسار */
.media-block figure {
  flex: 0 0 200px; /* عرض ثابت للصورة */
  order: 2; /* وضع الصورة على اليسار في الواجهات الإنجليزية LTR */
  margin: 0;
}

.media-block figure img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  display: block;
  object-fit: cover;
}

/* تجاوب الشاشة مع الهواتف المحمولة */
@media (max-width: 600px) {
  .media-block {
    flex-direction: column;
  }
  
  .media-block figure {
    flex: 1 1 100%;
    width: 100%;
    order: unset;
  }
}

* {box-sizing:border-box}

/* Slideshow container */
.slideshow-container {
  max-width: 500px;
  position: relative;
  margin: auto;
}

/* Hide the images by default */
.mySlides {
  display: none;
}

/* Next & previous buttons */
.prev, .next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  width: auto;
  margin-top: -22px;
  padding: 16px;
  color: white;
  font-weight: bold;
  font-size: 18px;
  transition: 0.6s ease;
  border-radius: 0 3px 3px 0;
  user-select: none;
}

/* Position the "next button" to the right */
.next {
  right: 0;
  border-radius: 3px 0 0 3px;
}

/* On hover, add a black background color with a little bit see-through */
.prev:hover, .next:hover {
  background-color: rgba(0,0,0,0.8);
}

/* Caption text */
.text {
  color: #f2f2f2;
  font-size: 15px;
  padding: 8px 12px;
  position: absolute;
  bottom: 8px;
  width: 100%;
  text-align: center;
}

/* Number text (1/3 etc) */
.numbertext {
  color: #f2f2f2;
  font-size: 12px;
  padding: 8px 12px;
  position: absolute;
  top: 0;
}

/* The dots/bullets/indicators */
.dot {
  cursor: pointer;
  height: 15px;
  width: 15px;
  margin: 0 2px;
  background-color: #bbb;
  border-radius: 50%;
  display: inline-block;
  transition: background-color 0.6s ease;
}

.active, .dot:hover {
  background-color: #717171;
}

/* Fading animation */
.fade {
  animation-name: fade;
  animation-duration: 1.5s;
}

@keyframes fade {
  from {opacity: .4}
  to {opacity: 1}
}

/* ---------- 10. Utilities & responsive ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity 600ms ease, transform 600ms ease;}
.reveal.is-visible{opacity:1;transform:none;}

@media (max-width:1024px){
  .layout-split{grid-template-columns:1fr;}
  .sidebar{position:static;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
}

@media (max-width:900px){
  .hero-inner{grid-template-columns:1fr;}
  .newsletter-inner{grid-template-columns:1fr;}
}

@media (max-width:820px){
  .nav-toggle{display:flex;}
  .primary-nav{
    position:fixed;inset:var(--header-h) 0 auto 0;
    flex-direction:column;align-items:stretch;gap:.5rem;
    background:var(--surface);border-bottom:1px solid var(--border);
    padding:1rem 1.25rem 1.5rem;box-shadow:var(--shadow-md);
    transform:translateY(-120%);opacity:0;pointer-events:none;
    transition:transform 260ms ease, opacity 260ms ease;
    max-height:calc(100vh - var(--header-h));overflow-y:auto;
  }
  .primary-nav.is-open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .primary-nav ul{flex-direction:column;align-items:stretch;gap:.15rem;}
  .primary-nav a{padding:.7rem .8rem;border-radius:var(--radius-sm);font-size:1rem;}
  .theme-toggle{align-self:flex-start;margin-top:.5rem;}
}

@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr;}
  .hero-stats{gap:1.25rem;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .subscribe-form{flex-direction:column;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

@media print{
  .site-header,.site-footer,.newsletter,.sidebar,.nav-toggle,.theme-toggle,.to-top{display:none !important;}
  body{background:#fff;color:#000;}
  .wrap{max-width:100%;}
}