/* ============================================================
   MALINYX · site.css — SHARED STRUCTURE ONLY
   Layout, statusbar, grid system, footer, reveal, type scale,
   section scaffold. This file DEFINES NO MODE COLORS — every
   color references a variable supplied by exactly one of:
     assets/css/mode-studio.css        (warm)
     assets/css/mode-investigation.css (cold)
   Load order per page:  site.css is loaded AFTER the mode file,
   OR the mode file first — order is irrelevant since site.css
   only consumes vars and the mode file only defines :root.
   Recommended in <head>:
     <link rel="stylesheet" href="assets/css/site.css">
     <link rel="stylesheet" href="assets/css/mode-studio.css">  (or mode-investigation)
   ============================================================ */

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}

body{
  background:var(--bg);
  color:var(--txt);
  font-family:var(--sans);
  font-weight:300;
  line-height:1.6;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
  /* mode-specific grid: --grid-line + --grid-size come from the mode file */
  background-image:
    linear-gradient(var(--grid-line) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);
  background-size:var(--grid-size) var(--grid-size);
}
a{color:inherit;text-decoration:none}

/* ---- grain overlay — sitewide atmosphere, opacity is mode-tuned ---- */
.grain{
  position:fixed;inset:0;pointer-events:none;z-index:999;
  opacity:var(--grain-opacity);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}

/* ---- site nav / status bar ---- */
.statusbar{
  border-bottom:1px solid var(--line);
  background:color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter:blur(8px);
  position:sticky;top:0;z-index:100;
}
.statusbar .wrap{
  display:flex;justify-content:space-between;align-items:center;
  height:54px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--txt-dim);
}
.brand{display:flex;align-items:baseline;gap:12px;color:var(--txt)}
.brand .name{font-weight:600;letter-spacing:.06em;font-size:13px;color:var(--txt)}
.brand .mark{color:var(--accent);font-weight:500;letter-spacing:.18em;font-size:11px}
.brand .mark::before{content:"·";margin-right:12px;color:var(--txt-faint)}
.nav{display:flex;gap:28px;align-items:center}
.nav a{color:var(--txt-dim);transition:color .2s;position:relative;padding:4px 0}
.nav a:hover,.nav a.active{color:var(--accent)}
.nav a:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
.nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--accent)}
.nav .live{color:var(--signal);display:flex;align-items:center;gap:7px}
.dot{width:6px;height:6px;border-radius:50%;background:var(--signal);
  box-shadow:0 0 8px var(--signal);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}

/* ---- section scaffold (shared) ---- */
section{padding:72px 0;border-bottom:1px solid var(--line)}
.sec-head{display:flex;align-items:baseline;gap:18px;margin-bottom:40px}
.sec-num{font-family:var(--mono);font-size:12px;color:var(--accent);
  letter-spacing:.1em;font-weight:600}
.sec-title{font-family:var(--mono);font-size:13px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--txt-dim);font-weight:500}
.sec-line{flex:1;height:1px;background:var(--line)}

.code-tag{font-family:var(--mono);font-size:12px;letter-spacing:.32em;
  color:var(--accent);text-transform:uppercase;margin-bottom:26px;
  display:flex;align-items:center;gap:14px}
.code-tag::after{content:"";flex:1;max-width:120px;height:1px;background:var(--accent-dim)}

/* ---- type scale (shared) ---- */
h1{font-family:var(--mono);font-weight:600;font-size:clamp(38px,6vw,68px);
  line-height:1.02;letter-spacing:-.015em;color:var(--txt)}
h1 .em{color:var(--accent)}
.lede{font-size:22px;font-weight:300;line-height:1.55;color:var(--txt);max-width:820px}
.lede .em{color:var(--accent);font-weight:400}

/* ---- generic content blocks (shared) ---- */
.premise{border-left:2px solid var(--accent);padding:22px 28px;
  background:linear-gradient(90deg,color-mix(in srgb,var(--accent) 6%,transparent),transparent);
  margin:36px 0;font-size:18px;font-weight:300;line-height:1.55;color:var(--txt)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);
  border:1px solid var(--line)}
.cell{background:var(--panel);padding:26px}
.cell h4{font-family:var(--mono);font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--accent);margin-bottom:12px;font-weight:600}
.cell p{font-size:14px;color:var(--txt-dim);line-height:1.55}

/* ---- footer (shared) ---- */
footer{padding:48px 0;font-family:var(--mono);font-size:11px;
  letter-spacing:.08em;text-transform:uppercase;color:var(--txt-faint)}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px}
footer a:hover{color:var(--accent)}

/* ---- reveal animation (shared) ---- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s,transform .7s}
.reveal.in{opacity:1;transform:none}

/* ---- responsive (shared) ---- */
@media(max-width:760px){
  .grid2{grid-template-columns:1fr}
  .nav{gap:16px}
  .nav .hide-sm{display:none}
  .wrap{padding:0 20px}
}


/* ---- mobile statusbar / nav — prevent crop on small screens ---- */
@media(max-width:560px){
  .statusbar .wrap{height:48px;gap:10px}
  .nav{gap:14px;font-size:10px;flex-wrap:nowrap;overflow-x:auto;
    -webkit-overflow-scrolling:touch;scrollbar-width:none}
  .nav::-webkit-scrollbar{display:none}
  .brand .name{font-size:12px}
  .brand .mark{font-size:10px}
  .nav .live{display:none}        /* drop the status pill first */
}
@media(max-width:420px){
  .nav a[href*="#contact"]{display:none}  /* Contact reachable from footer */
  .nav{gap:12px}
}

/* ---- accessibility: reduced motion ---- */
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
  .dot{animation:none}
}
