/* dr-post-systems.css */

:root {
  --dr-sys-bg: #0b1622;
  --dr-sys-surface: #111f2d;
  --dr-sys-surface-soft: #17212a;

  --dr-sys-steel: #6b8ba4;
  --dr-sys-blue: #4682b4;
  --dr-sys-grid: rgba(140, 160, 180, 0.18);
  --dr-sys-grid-strong: rgba(140, 160, 180, 0.34);

  --dr-sys-gold: var(--dr-semantic-accent-2);

  --dr-sys-text: var(--dr-core-text);
  --dr-sys-text-muted: var(--dr-core-text-muted);

  --dr-sys-border: rgba(140, 160, 180, 0.22);

  --dr-sys-glow-blue: 0 0 0 1px rgba(70, 130, 180, 0.16), 0 0 34px rgba(70, 130, 180, 0.08);
  --dr-sys-glow-gold: var(--dr-glow-gold);

  --dr-sys-panel-overlay: rgba(12, 20, 30, 0.84);
  --dr-sys-card-overlay: rgba(17, 31, 45, 0.92);
}

.dr-post{
  --dr-bg:#0B0D12;
  --dr-bg-soft:#131821;
  --dr-panel:rgba(20,24,31,.78);
  --dr-panel-strong:rgba(20,24,31,.9);
  --dr-line:rgba(140,160,180,.22);
  --dr-line-strong:rgba(140,160,180,.38);
  --dr-text:#E7EDF3;
  --dr-soft:#B6C1CC;
  --dr-muted:#8796A4;
  --dr-bluegray:#6B8BA4;
  --dr-steel:#8CA0B4;
  --dr-gold:#C9A84C;
  --dr-link:#6B8BA4;
  --dr-link-hover:#9AB1C3;
  --dr-warning:#D4A84C;
  --dr-warning-bg:rgba(212,168,76,.11);
  --dr-warning-line:rgba(212,168,76,.3);
  --dr-shadow:0 24px 70px rgba(0,0,0,.34);
  --dr-radius:22px;
  --dr-max:900px;
  position:relative;
  width:min(calc(100% - 32px), 1200px);
  max-width:1200px;
  margin:clamp(28px,4vw,56px) auto;
  padding:clamp(20px,3vw,36px);
  color:var(--dr-text);
  isolation:isolate;
}

.dr-post::before{
  content:"";
  position:absolute;
  inset:0;
  border-radius:28px;
  background:
    radial-gradient(circle at top right, rgba(107,139,164,.10), transparent 34%),
    radial-gradient(circle at bottom left, rgba(201,168,76,.06), transparent 30%),
    linear-gradient(180deg, rgba(255,255,255,.012), rgba(255,255,255,0));
  pointer-events:none;
  z-index:-2;
}

.dr-post::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:28px;
  background-image:
    linear-gradient(rgba(140,160,180,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,160,180,.05) 1px, transparent 1px);
  background-size:32px 32px;
  opacity:.18;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.95), rgba(0,0,0,.5));
  pointer-events:none;
  z-index:-1;
}

.dr-post > *{ position:relative; }

.dr-post-header,
.dr-post-body,
.dr-post-footer{
  width:min(100%, var(--dr-max));
  margin-inline:auto;
}

.dr-post-header{
  position:relative;
  padding:clamp(26px,4vw,44px);
  margin-bottom:clamp(28px,4vw,40px);
  border:1px solid var(--dr-line);
  border-radius:var(--dr-radius);
  background:
    linear-gradient(180deg, rgba(140,160,180,.06), rgba(255,255,255,.015)),
    rgba(12,14,19,.84);
  box-shadow:var(--dr-shadow);
  overflow:hidden;
}

.dr-post-header::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:2px;
  background:linear-gradient(90deg, transparent, var(--dr-steel), transparent);
}

.dr-post-kicker{
  display:inline-flex;
  align-items:center;
  gap:.55rem;
  margin:0 0 16px;
  padding:8px 14px;
  border:1px solid rgba(140,160,180,.26);
  border-radius:999px;
  background:rgba(140,160,180,.08);
  color:var(--dr-soft);
  font:700 .78rem/1 Arial, sans-serif;
  letter-spacing:.14em;
  text-transform:uppercase;
}

.dr-post-title{
  margin:0;
  color:#F2F6FA;
  font-family:"Playfair Display", serif;
  font-size:clamp(2.2rem, 5vw, 4.4rem);
  line-height:1.03;
  letter-spacing:-.02em;
  text-wrap:balance;
}

.dr-post-intro{
  max-width:66ch;
  margin:18px 0 0;
  color:var(--dr-soft);
  font-size:clamp(1.05rem, 1.55vw, 1.28rem);
  line-height:1.82;
}

.dr-post-meta{
  display:flex;
  flex-wrap:wrap;
  gap:12px 18px;
  margin-top:22px;
  padding-top:18px;
  border-top:1px solid rgba(140,160,180,.16);
  color:var(--dr-muted);
  font-size:.94rem;
}

.dr-post-meta span{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
}

.dr-post-body{
  font-size:1.04rem;
  line-height:1.86;
}

.dr-post-body > * + *{
  margin-top:22px;
}

.dr-post-section{
  margin:0 0 clamp(28px,3vw,38px);
}

.dr-post-body h2,
.dr-post-body h3{
  color:#F1F5F8;
  font-family:"Playfair Display", serif;
  text-wrap:balance;
}

.dr-post-body h2{
  margin:0 0 14px;
  font-size:clamp(1.72rem, 3vw, 2.4rem);
  line-height:1.15;
}

.dr-post-body h3{
  margin:24px 0 12px;
  font-size:clamp(1.22rem, 2vw, 1.52rem);
  line-height:1.24;
}

.dr-post-body p{
  margin:0 0 18px;
  color:var(--dr-text);
}

.dr-post-body ul,
.dr-post-body ol{
  margin:0 0 22px 1.3rem;
  padding:0;
}

.dr-post-body li{
  margin:0 0 12px;
}

.dr-post-body ul li::marker,
.dr-post-body ol li::marker{
  color:var(--dr-steel);
}

.dr-post-body strong{ color:#F4F7FA; }
.dr-post-body em{ color:#CAD4DC; }

.dr-post-body a{
  color:var(--dr-link);
  text-decoration:none;
  border-bottom:1px solid rgba(107,139,164,.34);
  transition:color .2s ease, border-color .2s ease;
}

.dr-post-body a:hover,
.dr-post-body a:focus-visible{
  color:var(--dr-link-hover);
  border-color:rgba(154,177,195,.72);
  outline:none;
}

.dr-post-body hr{
  height:1px;
  border:0;
  margin:30px 0;
  background:linear-gradient(90deg, transparent, rgba(140,160,180,.34), transparent);
}

.dr-post-body code{
  padding:.16rem .42rem;
  border:1px solid rgba(140,160,180,.18);
  border-radius:8px;
  background:rgba(255,255,255,.04);
  color:#D2DCE5;
  font-family:"DM Mono", monospace;
  font-size:.92em;
}

.dr-post-body pre{
  overflow:auto;
  margin:0 0 24px;
  padding:18px 18px 20px;
  border:1px solid rgba(140,160,180,.18);
  border-radius:16px;
  background:
    linear-gradient(180deg, rgba(140,160,180,.05), rgba(255,255,255,.015)),
    #10151d;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
}

.dr-post-body pre code{
  padding:0;
  border:0;
  background:none;
}

.dr-takeaway,
.dr-counter,
.dr-why-matters,
.dr-source,
.dr-definition,
.dr-warning,
.dr-quote{
  position:relative;
  margin:26px 0;
  border-radius:18px;
  overflow:hidden;
}

.dr-takeaway,
.dr-counter,
.dr-why-matters,
.dr-source,
.dr-definition,
.dr-warning{
  padding:20px 22px;
  border:1px solid var(--dr-line);
  background:
    linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015)),
    var(--dr-panel);
  box-shadow:0 16px 40px rgba(0,0,0,.18);
}

.dr-takeaway{
  border-left:4px solid var(--dr-steel);
}

.dr-counter{
  border-left:4px solid var(--dr-bluegray);
  background:
    linear-gradient(180deg, rgba(107,139,164,.10), rgba(255,255,255,.015)),
    var(--dr-panel);
}

.dr-why-matters{
  background:
    linear-gradient(180deg, rgba(140,160,180,.06), rgba(255,255,255,.015)),
    var(--dr-panel);
}

.dr-source{
  background:
    linear-gradient(180deg, rgba(255,255,255,.025), rgba(255,255,255,.01)),
    rgba(20,24,31,.72);
}

.dr-definition{
  background:
    linear-gradient(180deg, rgba(201,168,76,.05), rgba(255,255,255,.012)),
    rgba(20,24,31,.72);
}

.dr-warning{
  border-color:var(--dr-warning-line);
  background:
    linear-gradient(180deg, rgba(212,168,76,.14), rgba(255,255,255,.012)),
    var(--dr-warning-bg);
}

.dr-takeaway strong,
.dr-counter strong,
.dr-definition strong,
.dr-warning strong{
  display:block;
  margin-bottom:8px;
  color:#F2F6F9;
  font-size:1rem;
  letter-spacing:.02em;
}

.dr-why-matters h3{
  margin:0 0 10px;
  color:#F2F6F9;
  font-family:"Playfair Display", serif;
  font-size:1.2rem;
}

.dr-source .dr-source-label{
  display:inline-block;
  margin-bottom:8px;
  color:var(--dr-gold);
  font:700 .78rem/1 Arial, sans-serif;
  letter-spacing:.14em;
  text-transform:uppercase;
}

.dr-source p,
.dr-definition p,
.dr-warning p,
.dr-why-matters p,
.dr-takeaway p,
.dr-counter p{
  margin:0;
  color:var(--dr-soft);
}

.dr-quote{
  margin:30px 0;
  padding:24px 24px 22px 28px;
  border:1px solid rgba(140,160,180,.22);
  border-left:4px solid var(--dr-steel);
  background:
    linear-gradient(180deg, rgba(140,160,180,.08), rgba(255,255,255,.012)),
    rgba(20,24,31,.74);
  box-shadow:0 18px 44px rgba(0,0,0,.18);
}

.dr-quote p{
  margin:0;
  color:#F2F6F9;
  font-family:"Playfair Display", serif;
  font-size:clamp(1.14rem, 2vw, 1.36rem);
  line-height:1.72;
}

.dr-quote cite{
  display:block;
  margin-top:12px;
  color:var(--dr-muted);
  font-style:normal;
  font-size:.95rem;
}

.dr-post-body figure,
.dr-post-body .dr-diagram,
.dr-post-body table{
  margin:28px 0;
  border:1px solid rgba(140,160,180,.18);
  border-radius:18px;
  background:
    linear-gradient(180deg, rgba(140,160,180,.05), rgba(255,255,255,.015)),
    rgba(20,24,31,.72);
  box-shadow:0 14px 34px rgba(0,0,0,.16);
}

.dr-post-body table{
  width:100%;
  border-collapse:collapse;
  overflow:hidden;
}

.dr-post-body th,
.dr-post-body td{
  padding:14px 16px;
  border-bottom:1px solid rgba(140,160,180,.14);
  text-align:left;
}

.dr-post-body th{
  color:#F1F5F8;
  background:rgba(140,160,180,.08);
}

.dr-post-footer{
  margin-top:clamp(34px,5vw,56px);
  padding-top:6px;
}

.dr-post-cta{
  position:relative;
  padding:24px 24px 22px;
  border:1px solid rgba(140,160,180,.22);
  border-radius:22px;
  background:
    radial-gradient(circle at top right, rgba(140,160,180,.12), transparent 34%),
    linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015)),
    rgba(12,14,19,.88);
  box-shadow:var(--dr-shadow);
}

.dr-post-cta strong{
  display:block;
  margin-bottom:10px;
  color:#F2F6F9;
  font-family:"Playfair Display", serif;
  font-size:clamp(1.28rem, 2vw, 1.66rem);
  line-height:1.2;
}

.dr-post-cta p{
  margin:0 0 16px;
  color:var(--dr-soft);
}

.dr-post-cta-btn,
.dr-post-cta a.dr-post-cta-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.55rem;
  min-height:46px;
  padding:0 18px;
  border:1px solid rgba(140,160,180,.34);
  border-radius:999px;
  background:linear-gradient(180deg, rgba(140,160,180,.14), rgba(107,139,164,.18));
  color:#EDF2F6;
  font-weight:700;
  text-decoration:none;
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.dr-post-cta-btn:hover,
.dr-post-cta-btn:focus-visible{
  transform:translateY(-1px);
  border-color:rgba(140,160,180,.62);
  box-shadow:0 12px 24px rgba(0,0,0,.22);
  outline:none;
}

.dr-post-nav{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:14px;
  margin-top:18px;
}

.dr-post-nav a{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:54px;
  padding:14px 16px;
  border:1px solid rgba(140,160,180,.15);
  border-radius:16px;
  background:rgba(20,24,31,.62);
  color:var(--dr-soft);
  text-align:center;
  text-decoration:none;
  transition:transform .2s ease, border-color .2s ease, background .2s ease, color .2s ease;
}

.dr-post-nav a:hover,
.dr-post-nav a:focus-visible{
  transform:translateY(-1px);
  border-color:rgba(140,160,180,.38);
  background:rgba(107,139,164,.16);
  color:#F2F6F9;
  outline:none;
}

@media (max-width:1080px){
  .dr-post{
    width:min(calc(100% - 24px), 100%);
    padding:20px;
  }
  .dr-post-header{ padding:24px 22px; }
  .dr-post-body{ font-size:1rem; }
}

@media (max-width:768px){
  .dr-post{
    margin:22px auto;
    padding:14px;
  }
  .dr-post-header{
    padding:20px 18px;
    margin-bottom:24px;
    border-radius:20px;
  }
  .dr-post-intro{
    font-size:1rem;
    line-height:1.74;
  }
  .dr-post-meta{
    gap:10px 14px;
    font-size:.9rem;
  }
  .dr-takeaway,
  .dr-counter,
  .dr-why-matters,
  .dr-source,
  .dr-definition,
  .dr-warning,
  .dr-quote,
  .dr-post-cta{
    padding:18px;
    border-radius:16px;
  }
  .dr-post-nav{ grid-template-columns:1fr; }
}

@media (max-width:480px){
  .dr-post{
    width:min(calc(100% - 14px), 100%);
    padding:8px;
  }
  .dr-post-header{ padding:18px 15px; }
  .dr-post-kicker{
    padding:7px 11px;
    font-size:.72rem;
    letter-spacing:.12em;
  }
  .dr-post-body{
    font-size:.98rem;
    line-height:1.78;
  }
  .dr-post-body h2{ font-size:1.55rem; }
  .dr-post-body h3{ font-size:1.15rem; }
  .dr-post-meta{
    flex-direction:column;
    align-items:flex-start;
  }
  .dr-takeaway,
  .dr-counter,
  .dr-why-matters,
  .dr-source,
  .dr-definition,
  .dr-warning,
  .dr-quote,
  .dr-post-cta{
    padding:16px;
  }
}

@media (prefers-reduced-motion:reduce){
  .dr-post *,
  .dr-post *::before,
  .dr-post *::after{
    animation:none !important;
    transition:none !important;
    scroll-behavior:auto !important;
  }
}

.dr-light .dr-post{
  --dr-panel:rgba(255,255,255,.84);
  --dr-panel-strong:rgba(255,255,255,.94);
  --dr-line:rgba(107,139,164,.16);
  --dr-line-strong:rgba(107,139,164,.28);
  --dr-text:#1C2731;
  --dr-soft:#556675;
  --dr-muted:#738392;
  --dr-shadow:0 18px 40px rgba(11,13,18,.08);
}

.dr-light .dr-post::before{
  background:
    radial-gradient(circle at top right, rgba(107,139,164,.12), transparent 34%),
    radial-gradient(circle at bottom left, rgba(201,168,76,.08), transparent 30%),
    linear-gradient(180deg, rgba(255,255,255,.45), rgba(255,255,255,0));
}

.dr-light .dr-post::after{
  opacity:.1;
}

.dr-light .dr-post-header,
.dr-light .dr-post-cta{
  background:
    linear-gradient(180deg, rgba(140,160,180,.08), rgba(255,255,255,.8)),
    rgba(255,255,255,.84);
}

.dr-light .dr-post-title,
.dr-light .dr-post-body h2,
.dr-light .dr-post-body h3,
.dr-light .dr-quote p,
.dr-light .dr-post-cta strong,
.dr-light .dr-takeaway strong,
.dr-light .dr-counter strong,
.dr-light .dr-definition strong,
.dr-light .dr-warning strong{
  color:#17212A;
}

.dr-light .dr-post-nav a{
  background:rgba(255,255,255,.8);
  color:#556675;
}

.dr-light .dr-post-nav a:hover,
.dr-light .dr-post-nav a:focus-visible{
  color:#17212A;
  background:rgba(107,139,164,.12);
}