/* ==========================================================
   Design tokens
   ========================================================== */
:root{
  --bg:#e5f7fa;
  --bg-alt:#dceef9;
  --text:#212529;
  --text-muted:#5b6b85;
  --border:#cfe8f5;
  --accent:#2f9cd9;
  --accent-dark:#2381b8;
  --card-bg:#ffffff;
  --footer-bg:rgba(0,174,205,.1);
  --social-bg:#019dfe;
  --radius:10px;
  --radius-sm:10px;
  --shadow-sm:0 3px 3px rgba(0,0,0,.15);
  --shadow-md:2px 2px 14px rgba(0,0,0,.4);
  --font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --max-width:680px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .5em;font-weight:800;letter-spacing:-.01em}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.wrap{max-width:var(--max-width);margin:0 auto;padding:0 20px}

/* ==========================================================
   Header
   ========================================================== */
.site-header{border-bottom:0;background:#fff;position:relative;z-index:999}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:0 15px;height:51px;gap:16px;max-width:var(--max-width);margin:0 auto}
.brand{display:flex;align-items:center;gap:8px;min-width:0;height:38.5px}
.brand-mark{color:var(--accent);flex-shrink:0;display:flex}
.brand-name{font-size:1.18rem;font-weight:800;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.brand-name-stack{display:flex;flex-direction:column;line-height:1.05;min-width:0}
.brand-name-top{font-size:.92rem;font-weight:800;color:var(--accent);letter-spacing:.02em;white-space:nowrap}
.brand-name-bottom{font-size:.92rem;font-weight:800;color:var(--text);letter-spacing:.02em;white-space:nowrap}
.brand-logo{max-height:34px}
.nav-right{display:flex;align-items:center;gap:10px}
.nav-toggle{display:flex;flex-direction:column;gap:4px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:22px;height:2px;background:var(--text)}
.nav-close{display:none}
.site-nav ul{list-style:none;display:flex;gap:4px;margin:0;padding:0;flex-direction:column}
.site-nav ul a{display:block;color:var(--text);font-weight:600;font-size:17px;padding:15px 13px;border-bottom:1px solid var(--border)}
.site-nav ul a:hover{color:var(--accent);text-decoration:none}
.nav-backdrop{display:none}

/* Off-canvas nav drawer (mobile-first; this site has no desktop breakpoint by design) */
.site-nav{
  position:fixed;top:0;right:0;bottom:0;
  width:82%;max-width:320px;
  background:#fff;
  flex-direction:column;align-items:stretch;
  padding:0;
  box-shadow:-14px 0 36px rgba(21,34,56,.18);
  transform:translateX(100%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
  z-index:200;
  overflow-y:auto;
  display:flex;
}
.site-nav.open{transform:translateX(0)}
.nav-drawer-header{display:flex;align-items:center;justify-content:space-between;background:var(--bg);padding:0 15px;height:51px;flex-shrink:0}
.nav-drawer-brand{font-weight:800;color:var(--accent);font-size:1rem}
.nav-close{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border:0;border-radius:50%;background:none;font-size:1.4rem;line-height:1;color:var(--accent);cursor:pointer}
.site-nav ul{padding:8px 15px}
.nav-backdrop{display:block;position:fixed;inset:0;background:rgba(10,20,40,.45);opacity:0;pointer-events:none;transition:opacity .3s ease;z-index:150}
.nav-backdrop.open{opacity:1;pointer-events:auto}

/* ==========================================================
   Lander (home / post)
   ========================================================== */
.lander{padding:28px 0 56px}
.lander-header{padding:0 20px 18px;max-width:var(--max-width);margin:0 auto;text-align:center}
.lander-header h1{font-size:1.7rem;margin-top:.4em}
.lander-sub{color:var(--text-muted);font-size:1rem;margin:.6em 0 0}

.chip{display:inline-flex;align-items:center;font-size:.78rem;font-weight:600;padding:6px 14px;border-radius:var(--radius)}
.chip-cat{background:var(--bg-alt);color:var(--accent);text-transform:uppercase;letter-spacing:.04em}
.chip-cat a{color:inherit}
.chip-gate{background:#fff;color:var(--accent-dark);border:1px solid var(--border);margin-left:6px}
.chip-tag{background:#fff;color:var(--accent);border:1px solid var(--accent)}
.chip-row{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;max-width:var(--max-width);margin:0 auto 18px;padding:0 20px}

.gate-box{
  max-width:var(--max-width);margin:0 auto 28px;padding:12px;
  background:#dceef9;border:1px solid var(--accent);border-radius:var(--radius);
  box-shadow:none;text-align:center;
}
.gate-headline{font-size:1.1rem;font-weight:700;color:var(--text);margin:0 0 .3em}
.gate-subtext{color:var(--text-muted);font-size:.92rem;margin:0 0 14px}
.gate-btn{
  display:inline-block;background:var(--accent);color:#fff;font-weight:500;
  padding:10px 20px;border-radius:var(--radius);font-size:1rem;
  box-shadow:var(--shadow-md);transition:background .15s ease;
}
.gate-btn:hover{background:var(--accent-dark);text-decoration:none}
.gate-btn-row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.gate-btn-sm{padding:10px 20px;font-size:.92rem}

.lander-body{max-width:var(--max-width);margin:0 auto;padding:0 20px;font-size:1.03rem;color:#243550}
.lander-body h2{font-size:1.28rem;margin-top:1.5em}
.lander-body h3{font-size:1.08rem;margin-top:1.2em}
.lander-body p{margin:0 0 1.2em}
.lander-body ul,.lander-body ol{padding-left:1.3em;margin-bottom:1.2em}
.lander-body li{margin-bottom:.4em}
.lander-body img{border-radius:var(--radius-sm);margin:1.4em 0}
.lander-body blockquote{border-left:3px solid var(--accent);margin:1.4em 0;padding:.1em 1.2em;color:var(--text-muted);font-style:italic}
.lander-body code{background:var(--bg-alt);padding:2px 6px;border-radius:4px;font-size:.9em}

/* ==========================================================
   Category / link list
   ========================================================== */
.category-body{padding:36px 0 56px}
.link-list{display:flex;flex-direction:column;gap:12px}
.link-card{display:block;background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px 18px;box-shadow:var(--shadow-sm)}
.link-card:hover{border-color:var(--accent);text-decoration:none}
.link-card-title{display:block;font-weight:700;color:var(--text);margin-bottom:4px}
.link-card-excerpt{display:block;color:var(--text-muted);font-size:.9rem}

/* ==========================================================
   Static pages
   ========================================================== */
.page-body{max-width:var(--max-width);margin:0 auto;padding:36px 20px 56px}
.page-body h1{font-size:1.5rem;margin-bottom:.6em}

.empty-state{text-align:center;padding:48px 20px;color:var(--text-muted)}

/* ==========================================================
   Footer
   ========================================================== */
.site-footer{border-top:0;background:var(--footer-bg);margin-top:20px}
.footer-inner{display:flex;flex-direction:column;gap:28px;padding:15px 20px 8px;max-width:var(--max-width);margin:0 auto}
.footer-col h4{margin:0 0 8px;font-size:19px;color:var(--text);font-weight:700;text-transform:none;letter-spacing:normal}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.footer-col ul a{color:var(--text-muted);font-size:.92rem}
.footer-col ul a:hover{color:var(--accent)}
.footer-col p{color:var(--text-muted);font-size:.9rem;margin:6px 0 0}
.social-links{display:flex;gap:10px;margin-top:10px}
.social-links a{
  display:flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:6px;
  background:var(--social-bg);color:#fff;font-size:.8rem;font-weight:700;
}
.social-links a:hover{text-decoration:none;opacity:.9}
.footer-bottom{border-top:1px solid var(--border);padding:16px 20px;text-align:center;max-width:var(--max-width);margin:0 auto}
.footer-bottom p{color:var(--text-muted);font-size:.82rem;margin:0}

/* ==========================================================
   Small-phone tightening
   ========================================================== */
@media (max-width:420px){
  .lander-header h1{font-size:1.45rem}
  .gate-headline{font-size:1.05rem}
}

/* ==========================================================
   Reward / interstitial click overlay
   ========================================================== */
.reward-overlay{
  display:none;position:fixed;inset:0;z-index:500;
  background:rgba(10,20,40,.6);
  align-items:center;justify-content:center;padding:16px;
}
.reward-overlay.open{display:flex}
.reward-box{
  width:100%;max-width:380px;background:#fff;border-radius:var(--radius);
  box-shadow:var(--shadow-md);overflow:hidden;text-align:center;
}
.reward-label{
  background:var(--bg);color:var(--text-muted);
  font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;
  padding:6px 0;
}
.reward-footer{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-top:1px solid var(--border)}
.reward-countdown{font-size:.85rem;color:var(--text-muted)}
.reward-continue{
  background:var(--accent);color:#fff;border:0;font-weight:600;
  padding:8px 18px;border-radius:var(--radius);font-size:.9rem;cursor:pointer;
}
.reward-continue:disabled{opacity:.5;cursor:not-allowed}
.reward-continue:not(:disabled):hover{background:var(--accent-dark)}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce){
  *{transition:none !important}
}