/* =====================================================================
   Proximal Socket — Global Stylesheet
   Palette: Navy / Green / Army (indigenous, trustworthy, research-led)
   ===================================================================== */

:root{
  --navy:#071a33;
  --navy2:#0a2342;
  --navy3:#0f2c53;
  --green:#0abb92;
  --green-d:#079b78;
  --army:#3d5a40;
  --bg:#f5f7fb;
  --card:#ffffff;
  --muted:#6b7280;
  --ink:#0f172a;
  --line:rgba(7,26,51,.08);
  --radius:16px;
  --radius-sm:10px;
  --shadow-sm:0 4px 12px rgba(7,26,51,.06);
  --shadow-md:0 10px 28px rgba(7,26,51,.08);
  --shadow-lg:0 22px 48px rgba(7,26,51,.12);
  --container:1180px;
  --ease:.25s cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Inter,Arial,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
.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;
}

/* ===================== HERO ===================== */
.hero{
  position:relative;
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(10,187,146,.18), transparent 60%),
    linear-gradient(135deg,var(--navy) 0%,var(--navy2) 55%,var(--navy3) 100%);
  color:#fff;
  padding:64px 20px 56px;
  text-align:center;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:auto -20% -40% -20%;height:60%;
  background:radial-gradient(closest-side, rgba(10,187,146,.10), transparent 70%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:1;max-width:900px;margin:0 auto}
.brand img{margin:0 auto 12px;filter:drop-shadow(0 8px 22px rgba(0,0,0,.35))}
.hero h1{
  font-size:clamp(1.7rem,3.4vw,2.5rem);
  font-weight:700;letter-spacing:-.02em;margin:0 0 6px;
}
.tagline{color:#cbd5e1;font-size:.95rem;margin:0}
.typing{
  margin:14px 0 4px;color:#a7f3d0;font-size:.85rem;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;min-height:1.2em;
}

/* Search */
.search-wrap{
  position:relative;display:flex;align-items:center;
  max-width:720px;margin:22px auto 0;
  background:#fff;border-radius:999px;
  box-shadow:var(--shadow-lg);
  padding:6px 6px 6px 20px;
}
.search-icon{color:var(--muted);margin-right:10px;font-size:.9rem}
.search-wrap input{
  flex:1;border:0;outline:0;padding:12px 0;font-size:.95rem;color:var(--ink);
  background:transparent;min-width:0;
}
.search-wrap button{
  border:0;background:var(--green);color:#fff;
  width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;transition:background var(--ease),transform var(--ease);
}
.search-wrap button:hover{background:var(--green-d);transform:translateX(2px)}

/* Suggest box */
.suggest-box{
  max-width:720px;margin:8px auto 0;background:#fff;color:var(--ink);
  border-radius:var(--radius-sm);overflow:hidden;
  box-shadow:var(--shadow-md);text-align:left;
}
.suggest-box .item{
  padding:10px 18px;font-size:.9rem;cursor:pointer;
  display:flex;align-items:center;gap:10px;
}
.suggest-box .item:hover,.suggest-box .item[aria-selected="true"]{background:#f1f5f9}
.suggest-box .item i{color:var(--green);font-size:.8rem}

/* Chips */
.chips{
  display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:22px;
}
.chips a{
  font-size:.78rem;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.08);color:#e2e8f0;
  border:1px solid rgba(255,255,255,.14);
  transition:background var(--ease),transform var(--ease);
}
.chips a:hover{background:rgba(10,187,146,.25);transform:translateY(-1px)}

/* ===================== SECTIONS ===================== */
.section{
  max-width:var(--container);margin:0 auto;padding:64px 20px;
}
.section-title{
  font-size:clamp(1.25rem,2.2vw,1.6rem);font-weight:700;color:var(--navy);
  text-align:center;margin:0 0 8px;letter-spacing:-.01em;
}
.section-sub{
  text-align:center;color:var(--muted);font-size:.92rem;
  max-width:640px;margin:0 auto 36px;
}

/* ===================== MODULES ===================== */
.modules{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:18px;
}
.module{
  background:var(--card);border-radius:var(--radius);
  padding:24px 18px;text-align:center;
  box-shadow:var(--shadow-sm);border:1px solid var(--line);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  display:flex;flex-direction:column;align-items:center;gap:6px;
}
.module:hover{
  transform:translateY(-6px);box-shadow:var(--shadow-lg);
  border-color:rgba(10,187,146,.35);
}
.module-icon{
  width:52px;height:52px;border-radius:14px;
  display:grid;place-items:center;margin-bottom:8px;
  background:linear-gradient(135deg,rgba(10,187,146,.12),rgba(61,90,64,.12));
  color:var(--green-d);font-size:1.3rem;
}
.module strong{color:var(--navy);font-size:1rem}
.module small{color:var(--muted);font-size:.78rem;line-height:1.35}

/* ===================== RESEARCH ===================== */
.research{
  background:
    linear-gradient(180deg,rgba(7,26,51,.02),rgba(10,187,146,.04));
  border-radius:calc(var(--radius) + 8px);
  margin-top:8px;margin-bottom:8px;
}
.research-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;
}
.research-card{
  background:#fff;border-radius:var(--radius);padding:24px;
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
  position:relative;overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease);
}
.research-card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:3px;
  background:linear-gradient(90deg,var(--green),var(--army));
}
.research-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.research-card .tag{
  display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.06em;
  text-transform:uppercase;color:var(--green-d);
  background:rgba(10,187,146,.10);padding:4px 10px;border-radius:999px;
  margin-bottom:12px;
}
.research-card h3{font-size:1.05rem;color:var(--navy);margin:0 0 8px}
.research-card p{color:var(--muted);font-size:.86rem;margin:0 0 16px}
.research-card .metric{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  color:var(--navy);font-weight:700;font-size:1.05rem;
}
.research-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:28px}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:999px;font-size:.88rem;font-weight:600;
  transition:transform var(--ease),background var(--ease),color var(--ease),box-shadow var(--ease);
  border:1px solid transparent;
}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy3);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-ghost{background:transparent;color:var(--navy);border-color:rgba(7,26,51,.2)}
.btn-ghost:hover{background:rgba(7,26,51,.05);transform:translateY(-2px)}

/* ===================== SHOWCASE ===================== */
.ad-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;
}
.ad{
  background:#fff;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);border:1px solid var(--line);
  display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease);
}
.ad:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.ad-icon{
  height:110px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--navy),var(--navy3));
  color:var(--green);font-size:2rem;
}
.ad-body{padding:18px;display:flex;flex-direction:column;gap:6px;flex:1}
.ad-body h4{color:var(--navy);margin:0;font-size:1rem}
.ad-body p{color:var(--muted);font-size:.82rem;margin:0;flex:1}
.ad-link{
  align-self:flex-start;margin-top:10px;
  font-size:.78rem;font-weight:600;color:var(--green-d);
  display:inline-flex;align-items:center;gap:6px;
  transition:gap var(--ease);
}
.ad-link:hover{gap:10px}

/* ===================== STATS ===================== */
.stats{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
  gap:16px;padding-top:0;
}
.stat{
  background:#fff;border-radius:var(--radius);padding:24px 18px;
  text-align:center;border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.stat strong{
  display:block;font-size:1.5rem;color:var(--navy);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}
.stat span{font-size:.78rem;color:var(--muted)}

/* ===================== FOOTER ===================== */
footer{
  background:var(--navy);color:#e2e8f0;padding:56px 20px 24px;margin-top:40px;
}
.footer-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));
  gap:28px;max-width:var(--container);margin:0 auto;
}
footer h4{color:#fff;margin:0 0 14px;font-size:.95rem;letter-spacing:.02em}
footer p,footer a,footer li{
  color:#94a3b8;font-size:.83rem;line-height:1.7;
}
footer ul{list-style:none;padding:0;margin:0}
footer a:hover{color:var(--green)}
.social a{
  display:inline-grid;place-items:center;width:36px;height:36px;
  border-radius:50%;background:rgba(255,255,255,.06);
  color:#fff;margin-right:8px;font-size:.95rem;
  transition:background var(--ease),transform var(--ease);
}
.social a:hover{background:var(--green);transform:translateY(-2px)}
.bottom{
  max-width:var(--container);margin:32px auto 0;padding-top:18px;
  border-top:1px solid rgba(255,255,255,.08);
  text-align:center;font-size:.78rem;color:#94a3b8;
}

/* ===================== RESPONSIVE ===================== */
@media (max-width:560px){
  .hero{padding:44px 16px 40px}
  .section{padding:48px 16px}
  .search-wrap{padding-left:16px}
  .search-wrap button{width:40px;height:40px}
  .research-cta .btn{width:100%;justify-content:center}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}