/* ============================================================
   ReleaseGuard — Resources / Blog styles
   Base layer mirrors index.php so typography, colors, and
   resets match the main site exactly.
   ============================================================ */

/* ---------- Base / tokens (matches index.php) ---------- */
:root{
  --navy:#0b1b3a;--navy-2:#122a54;--blue:#1d4ed8;--blue-light:#3b82f6;
  --cyan:#06b6d4;--green:#10b981;--amber:#f59e0b;--red:#ef4444;
  --ink:#0f172a;--body:#475569;--muted:#94a3b8;--line:#e2e8f0;
  --bg:#f8fafc;--bg-2:#f1f5f9;--white:#fff;--radius:14px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.06),0 1px 3px rgba(15,23,42,.08);
  --shadow:0 4px 6px -1px rgba(15,23,42,.08),0 2px 4px -2px rgba(15,23,42,.06);
  --shadow-lg:0 18px 40px -12px rgba(11,27,58,.22),0 8px 16px -8px rgba(11,27,58,.12);
  --shadow-xl:0 32px 64px -24px rgba(11,27,58,.30);
  --ease:.28s cubic-bezier(.4,0,.2,1);
  --maxw:1200px;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  color:var(--body);
  background:var(--white);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:clip;
  font-size:1rem;
}
h1,h2,h3,h4{color:var(--ink);line-height:1.2;font-weight:700;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
ul{list-style:none}
button{font-family:inherit}

.container{width:min(var(--maxw),92%);margin-inline:auto}

/* ---------- Hero ---------- */
.res-hero{
  padding:88px 0 56px;text-align:center;
  background:
    radial-gradient(900px 460px at 50% -10%,rgba(6,182,212,.14),transparent 65%),
    radial-gradient(800px 420px at 15% 15%,rgba(29,78,216,.11),transparent 60%),
    linear-gradient(180deg,#f7faff 0%,#fff 85%);
  border-bottom:1px solid var(--line);
}
.res-hero__inner{max-width:760px;margin-inline:auto}
.res-hero .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.76rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--blue);background:rgba(29,78,216,.08);
  padding:6px 14px;border-radius:99px;margin-bottom:18px;
}
.res-hero h1{
  font-size:clamp(2rem,4vw,2.8rem);font-weight:800;color:var(--navy);
  letter-spacing:-.03em;margin-bottom:14px;line-height:1.15;
}
.res-hero p{font-size:1.06rem;color:var(--body);max-width:640px;margin:0 auto}

/* ---------- Hub grid ---------- */
.res-section{padding:72px 0}
.res-section--alt{background:var(--bg)}

.res-filters{
  display:flex;flex-wrap:wrap;gap:8px;justify-content:center;
  margin-bottom:44px;
}
.res-filters button{
  font-family:inherit;font-size:.82rem;font-weight:600;
  padding:8px 16px;border-radius:99px;border:1px solid var(--line);
  background:#fff;color:var(--body);cursor:pointer;
  transition:all var(--ease);
}
.res-filters button:hover{border-color:var(--blue);color:var(--blue)}
.res-filters button.is-active{background:var(--navy);color:#fff;border-color:var(--navy)}

.res-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:26px;
}
.res-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  display:flex;flex-direction:column;
}
.res-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(29,78,216,.22);
}
.res-card__cover{
  height:160px;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  position:relative;overflow:hidden;
  display:grid;place-items:center;
}
.res-card__cover::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:32px 32px;
}
.res-card__cover i{
  font-size:2.4rem;color:#fff;position:relative;z-index:1;
  filter:drop-shadow(0 4px 12px rgba(0,0,0,.15));
}
.res-card__body{padding:24px 26px 26px;display:flex;flex-direction:column;flex-grow:1}
.res-card__meta{
  display:flex;align-items:center;gap:14px;
  font-size:.74rem;font-weight:600;color:var(--muted);
  margin-bottom:12px;text-transform:uppercase;letter-spacing:.06em;
}
.res-card__meta span{display:inline-flex;align-items:center;gap:6px}
.res-card__meta i{color:var(--cyan);font-size:.78rem}
.res-card h3{
  font-size:1.08rem;font-weight:700;color:var(--ink);
  line-height:1.35;margin-bottom:10px;letter-spacing:-.01em;
}
.res-card p{font-size:.9rem;color:var(--body);line-height:1.6;flex-grow:1;margin-bottom:16px}
.res-card__more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.84rem;font-weight:600;color:var(--blue);
  transition:gap var(--ease);
}
.res-card:hover .res-card__more{gap:10px}

/* ---------- Article ---------- */
.article{padding:72px 0 88px}
.article__layout{
  display:grid;grid-template-columns:minmax(0,220px) minmax(0,1fr);
  gap:56px;align-items:start;
  max-width:1080px;margin-inline:auto;
}

.article__toc{
  position:sticky;top:100px;
  border-left:2px solid var(--line);padding-left:20px;
}
.article__toc h4{
  font-size:.72rem;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted);margin-bottom:14px;
}
.article__toc ol{list-style:none;padding:0;margin:0;counter-reset:toc}
.article__toc li{margin-bottom:8px;counter-increment:toc}
.article__toc a{
  display:flex;gap:8px;font-size:.86rem;color:var(--body);
  text-decoration:none;line-height:1.45;
  transition:color .2s;padding:2px 0;
}
.article__toc a::before{content:counter(toc);color:var(--muted);font-weight:600;font-size:.78rem;min-width:16px}
.article__toc a:hover{color:var(--blue)}
.article__toc a.is-active{color:var(--blue);font-weight:600}

.article__body{max-width:720px}
.article__body > p:first-of-type{
  font-size:1.15rem;color:#334155;line-height:1.7;
  font-weight:500;margin-bottom:28px;
}
.article__body h2{
  font-size:1.55rem;font-weight:800;color:var(--ink);
  margin:48px 0 18px;letter-spacing:-.02em;line-height:1.25;
  scroll-margin-top:110px;
}
.article__body h3{
  font-size:1.15rem;font-weight:700;color:var(--ink);
  margin:32px 0 12px;letter-spacing:-.01em;
  scroll-margin-top:110px;
}
.article__body p{margin-bottom:18px;color:var(--body);line-height:1.75;font-size:1rem}
.article__body strong{color:var(--ink);font-weight:600}
.article__body a{
  color:var(--blue);font-weight:500;
  border-bottom:1px solid rgba(29,78,216,.28);
  text-decoration:none;transition:border-color .2s;
}
.article__body a:hover{border-bottom-color:var(--blue)}
.article__body ul,.article__body ol{
  margin:0 0 20px 0;padding-left:0;list-style:none;
}
.article__body ol{counter-reset:item}
.article__body ol li{counter-increment:item;position:relative;padding-left:34px;margin-bottom:10px;color:var(--body);line-height:1.7}
.article__body ol li::before{
  content:counter(item);position:absolute;left:0;top:2px;
  width:22px;height:22px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(29,78,216,.09);color:var(--blue);
  font-size:.72rem;font-weight:800;
}
.article__body ul li{
  position:relative;padding-left:28px;margin-bottom:9px;
  color:var(--body);line-height:1.7;
}
.article__body ul li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:2px;color:var(--cyan);font-size:.78rem;
}
.article__body blockquote{
  margin:28px 0;padding:20px 26px;
  background:linear-gradient(135deg,rgba(29,78,216,.05),rgba(6,182,212,.05));
  border-left:4px solid var(--blue);border-radius:8px;
  font-size:1.02rem;color:#334155;font-style:italic;
}
.article__body blockquote p:last-child{margin-bottom:0}

.article__body table{
  width:100%;border-collapse:collapse;margin:26px 0;
  font-size:.92rem;border:1px solid var(--line);border-radius:10px;
  overflow:hidden;
}
.article__body thead th{
  background:var(--navy);color:#fff;text-align:left;
  padding:13px 16px;font-weight:600;font-size:.78rem;
  letter-spacing:.05em;text-transform:uppercase;
}
.article__body tbody td{
  padding:13px 16px;border-top:1px solid var(--line);color:var(--body);
  vertical-align:top;
}
.article__body tbody tr:nth-child(even){background:#fbfcfe}

/* ---------- FAQ ---------- */
.article-faq{margin-top:56px}
.article-faq h2{
  font-size:1.55rem;font-weight:800;color:var(--ink);
  margin-bottom:24px;letter-spacing:-.02em;
}
.article-faq details{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.article-faq details[open]{
  border-color:rgba(29,78,216,.3);
  box-shadow:var(--shadow);
}
.article-faq summary{
  display:flex;align-items:center;gap:14px;
  padding:18px 22px;cursor:pointer;list-style:none;
  font-size:.98rem;font-weight:600;color:var(--ink);
  transition:background var(--ease);user-select:none;
}
.article-faq summary::-webkit-details-marker{display:none}
.article-faq summary::marker{display:none}
.article-faq summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  margin-left:auto;color:var(--blue);font-size:.75rem;
  width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;flex-shrink:0;
  background:rgba(29,78,216,.08);
  transition:transform var(--ease),background var(--ease);
}
.article-faq details[open] summary::after{
  content:"\f068";transform:rotate(180deg);
  background:var(--navy);color:#fff;
}
.article-faq .faq-a{
  padding:0 22px 20px 22px;
  font-size:.94rem;color:var(--body);line-height:1.7;
}

/* ---------- Related posts ---------- */
.related{margin-top:72px;padding-top:56px;border-top:1px solid var(--line)}
.related h2{
  font-size:1.3rem;font-weight:800;color:var(--ink);
  margin-bottom:26px;letter-spacing:-.02em;
}
.related__grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.related__card{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:24px 26px;text-decoration:none;
  transition:all var(--ease);
}
.related__card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(29,78,216,.22);
}
.related__card span{
  font-size:.72rem;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--cyan);display:block;margin-bottom:8px;
}
.related__card strong{
  display:block;font-size:1rem;font-weight:700;color:var(--ink);
  line-height:1.4;margin-bottom:6px;
}
.related__card em{
  font-style:normal;font-size:.86rem;color:var(--muted);
}

/* ---------- CTA ---------- */
.res-cta{
  padding:80px 0;
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 100%);
  color:#cbd5e1;text-align:center;position:relative;overflow:hidden;
}
.res-cta::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 300px at 50% 0%,rgba(6,182,212,.18),transparent 65%);
  pointer-events:none;
}
.res-cta > .container{position:relative;z-index:1}
.res-cta h2{
  font-size:clamp(1.6rem,3.2vw,2.2rem);font-weight:800;color:#fff;
  margin-bottom:14px;letter-spacing:-.025em;
}
.res-cta p{
  font-size:1rem;color:#94a3b8;max-width:560px;margin:0 auto 30px;
}
.res-cta__actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.res-cta .btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:inherit;font-size:.94rem;font-weight:600;
  padding:12px 26px;border-radius:10px;border:1.5px solid transparent;
  cursor:pointer;text-decoration:none;transition:all var(--ease);
  white-space:nowrap;
}
.res-cta .btn--primary{
  background:linear-gradient(135deg,var(--blue),var(--blue-light));color:#fff;
  box-shadow:0 8px 20px -8px rgba(29,78,216,.65);
}
.res-cta .btn--primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px -10px rgba(29,78,216,.75)}
.res-cta .btn--ghost{
  background:transparent;color:#fff;border-color:rgba(255,255,255,.28);
}
.res-cta .btn--ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5)}

/* ---------- Responsive ---------- */
@media(max-width:1040px){
  .res-grid{grid-template-columns:repeat(2,1fr)}
  .article__layout{grid-template-columns:1fr;gap:36px}
  .article__toc{
    position:static;border-left:0;border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);padding:20px 0;
  }
  .article__toc ol{display:grid;grid-template-columns:1fr 1fr;gap:6px}
}
@media(max-width:640px){
  .res-grid{grid-template-columns:1fr}
  .related__grid{grid-template-columns:1fr}
  .res-hero{padding:64px 0 44px}
  .res-section{padding:52px 0}
  .article{padding:48px 0 64px}
  .article__toc ol{grid-template-columns:1fr}
}