/* campskill site — shared base. Mobile-first. Locked guidelines applied:
   no periods in headings, balance/pretty wrapping, hide private numbers. */
:root{
  --ink:#0f1720; --navy:#131f33; --navy-2:#1b2b44; --steel:#33465f;
  /* cool neutrals (killed the warm cream/brown) */
  --paper:#eef2f7; --paper-2:#e0e7ef; --card:#ffffff;
  --accent:#1E5D87; --accent-d:#154a6b; --accent-soft:#bcd6e6;   /* ocean blue — primary */
  /* 8 "alive" accents — choose later; sections cycle through them */
  --a1:#1E5D87; --a2:#2f9fb0; --a3:#e2653f; --a4:#e0a63a;
  --a5:#6b57c9; --a6:#2f9e6b; --a7:#d94f7a; --a8:#3a6ea5;
  --brass:#c1893a; --line:#d5deea; --line-dk:#26344c;
  --dim:#5f6b7a; --dim-dk:#9fb2cc; --ok:#2f9e6b;
  --f-disp:clamp(36px,10vw,72px); --f-h2:clamp(24px,6vw,38px); --f-h3:18px; --f-body:16px; --f-cap:12px;
  --s1:8px; --s2:12px; --s3:16px; --s4:24px; --s5:32px; --s6:48px; --s7:64px;
  --r:16px; --r-sm:10px; --r-lg:22px;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,"SFMono-Regular","Menlo","Consolas",monospace;
  --maxw:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.5;
  overflow-x:hidden;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
svg{display:block}
a{color:inherit;text-decoration:none}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:5px}
/* no-orphan / balanced wrapping */
h1,h2,h3,.balance{text-wrap:balance}
p,li,.pretty{text-wrap:pretty}
.nowrap{white-space:nowrap}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.kicker{font-family:var(--mono);font-size:var(--f-cap);letter-spacing:.2em;text-transform:uppercase;color:var(--accent-d)}
.mono{font-family:var(--mono)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---- logo v2 (ring middle + raised top) ---- */
.logo{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:18px;letter-spacing:-.02em}
.logo b{color:var(--accent-d)}
.logo svg{flex:0 0 auto}

/* ---- nav ---- */
/* constant header — solid, does not change on scroll */
.site-nav{position:sticky;top:0;z-index:60;background:var(--paper);border-bottom:1px solid var(--line)}
.site-nav .bar{display:flex;align-items:center;justify-content:space-between;height:60px}
.site-nav nav{display:none;gap:var(--s4);font-size:14px;font-weight:600}
.site-nav nav a{color:var(--dim)}
.site-nav nav a:hover{color:var(--ink)}

/* ---- buttons (>=44px targets) ---- */
.btn{min-height:48px;border:0;font:inherit;font-weight:700;font-size:15px;padding:0 22px;border-radius:999px;
  cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:9px;transition:transform .15s,background .2s,color .2s}
.btn:active{transform:scale(.97)}
.btn-p{background:var(--accent);color:#fff}
.btn-p:hover{background:var(--accent-d)}
.btn-ink{background:var(--ink);color:var(--paper)}
.btn-ink:hover{background:var(--navy)}
.btn-ghost{background:transparent;border:1.5px solid var(--line)}
.btn svg{transition:transform .2s}
.btn-p:hover svg,.btn-ink:hover svg{transform:translateX(3px)}
.btn-sm{min-height:40px;font-size:13.5px;padding:0 15px}

/* ---- section ---- */
section{padding:var(--s7) 0}
.eyebrow{display:inline-flex;align-items:center;gap:7px}
h2{font-size:var(--f-h2);letter-spacing:-.035em;font-weight:800;line-height:1.05;margin-top:var(--s1)}
.lede{font-size:clamp(15px,4vw,18px);color:var(--dim);max-width:40ch;margin-top:var(--s2)}

/* ---- horizontal snap rail ---- */
.rail{display:flex;gap:var(--s3);overflow-x:auto;scroll-snap-type:x mandatory;padding:var(--s4) 20px;margin:0 -20px;
  scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.rail>*{scroll-snap-align:start;flex:0 0 76%;max-width:280px}

/* ---- category tile ---- */
.cat{position:relative;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:var(--card);
  transition:transform .18s,box-shadow .18s}
.cat:hover,.cat:focus-within{transform:translateY(-3px);box-shadow:0 18px 34px -24px rgba(16,23,37,.55)}
.cat .ph{aspect-ratio:16/11;overflow:hidden;background:var(--navy-2)}
.cat .ph img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.cat:hover .ph img{transform:scale(1.05)}
.cat .b{padding:var(--s3);display:flex;align-items:center;justify-content:space-between;gap:var(--s2)}
.cat .code{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--accent-d)}
.cat h3{font-size:16px;font-weight:700;letter-spacing:-.01em;margin-top:2px}
.cat .arw{color:var(--accent-d);flex:0 0 auto}
.stretch{position:absolute;inset:0}

/* ---- footer ---- */
.site-foot{background:var(--ink);color:var(--dim-dk);padding:var(--s6) 0 var(--s4)}
.site-foot .cols{display:grid;grid-template-columns:1fr 1fr;gap:var(--s4)}
.site-foot h4{color:#fff;font-size:13px;letter-spacing:.04em;margin-bottom:var(--s2)}
.site-foot a{display:block;color:var(--dim-dk);font-size:14px;padding:5px 0}
.site-foot a:hover{color:#fff}
.site-foot .base{display:flex;justify-content:space-between;gap:var(--s2);flex-wrap:wrap;
  border-top:1px solid var(--line-dk);margin-top:var(--s5);padding-top:var(--s3);font-size:12.5px}

/* ---- reveal-on-scroll + motion utils ---- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}
@keyframes floaty{50%{transform:translateY(-8px)}}
@keyframes drift{from{transform:translateX(-30px)}to{transform:translateX(30px)}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes sheen{from{background-position:-200% 0}to{background-position:200% 0}}
@keyframes pop{0%{transform:scale(.6);opacity:0}60%{transform:scale(1.08)}100%{transform:scale(1);opacity:1}}
.floaty{animation:floaty 4s ease-in-out infinite}
/* section tint: set --accent inline, -d/-soft derived */
.tint{--accent-d:color-mix(in srgb,var(--accent) 74%,#000);--accent-soft:color-mix(in srgb,var(--accent) 24%,#fff)}

/* ---- mobile bottom nav (item: clouda-style) ---- */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  background:color-mix(in srgb,var(--ink) 90%,transparent);backdrop-filter:blur(14px);
  border-top:1px solid var(--line-dk);padding:5px 6px calc(5px + env(safe-area-inset-bottom))}
.tabbar a,.tabbar button{flex:1;background:none;border:0;color:var(--dim-dk);font:inherit;font-size:10px;font-weight:600;
  letter-spacing:.02em;display:flex;flex-direction:column;align-items:center;gap:3px;padding:7px 0;min-height:52px;cursor:pointer;
  transition:color .2s,transform .12s}
.tabbar a:active,.tabbar button:active{transform:scale(.92)}
.tabbar .active,.tabbar a:hover,.tabbar button:hover{color:#fff}
.tabbar svg{width:22px;height:22px}
.tabbar .active svg{filter:drop-shadow(0 0 10px var(--accent))}

/* ---- full-screen grid menu ---- */
.gridmenu{position:fixed;inset:0;z-index:80;background:var(--ink);color:var(--paper);
  transform:translateY(100%);transition:transform .4s cubic-bezier(.4,0,.2,1);visibility:hidden;
  overflow-y:auto;padding:18px 16px calc(88px + env(safe-area-inset-bottom))}
.gridmenu.open{transform:none;visibility:visible}
.gridmenu .gh{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.gridmenu .gh .t{font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent-soft)}
.gridmenu .gh button{background:var(--navy-2);border:0;color:#fff;border-radius:50%;cursor:pointer;width:44px;height:44px;display:flex;align-items:center;justify-content:center}
.gmgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.gmgrid a{position:relative;border-radius:16px;overflow:hidden;aspect-ratio:1/1;border:1px solid var(--line-dk);opacity:0;animation:pop .4s ease forwards}
.gmgrid img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.gmgrid a:active img{transform:scale(1.06)}
.gmgrid a::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 42%,rgba(16,23,37,.8))}
.gmgrid .gt{position:absolute;left:0;right:0;bottom:0;padding:11px;z-index:2}
.gmgrid .gt .code{font-family:var(--mono);font-size:10px;color:var(--accent-soft);letter-spacing:.1em}
.gmgrid .gt h3{color:#fff;font-weight:700;font-size:14px}
@media(max-width:759px){
  body.has-tabbar{padding-bottom:62px}
  .tabbar{display:flex}
}

/* motion safety */
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* ---- desktop ---- */
@media(min-width:760px){
  .site-nav nav{display:flex}
  .rail>*{flex-basis:260px}
  .site-foot .cols{grid-template-columns:2fr 1fr 1fr 1fr}
}