/* ==========================================================================
   Route Plan — Base: reset, typography, layout primitives, utilities
   ========================================================================== */

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--body);
  font-size:var(--fs-body);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
  transition:background var(--t) ease,color var(--t) ease;
  background-image:
    radial-gradient(1100px 520px at 82% -6%,var(--glow-a),transparent 60%),
    radial-gradient(940px 520px at 6% 3%,var(--glow-b),transparent 58%),
    linear-gradient(var(--grid-line) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);
  background-size:auto,auto,58px 58px,58px 58px;
  background-attachment:fixed,fixed,fixed,fixed;
}

/* Fine film grain — hand-finished texture */
body::before{
  content:"";position:fixed;inset:0;z-index:1;pointer-events:none;
  opacity:var(--grain-opacity);mix-blend-mode:var(--grain-blend);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

::selection{background:rgba(242,107,33,.24);color:var(--ink)}
:focus-visible{outline:2px solid var(--route);outline-offset:3px;border-radius:3px}

a{color:inherit}
img,svg{display:block;max-width:100%}
button{font-family:inherit}

/* Typography ------------------------------------------------------------- */
h1,h2,h3,h4{font-family:var(--display);letter-spacing:-.03em;line-height:1.06}
h1{font-size:var(--fs-h1);font-weight:800}
h2{font-size:var(--fs-h2);font-weight:800}
h3{font-size:var(--fs-h3);font-weight:700;letter-spacing:-.02em}
.km{font-family:var(--khmer);line-height:1.7}
.mono{font-family:var(--data)}

.display{font-family:var(--display);font-weight:900;font-size:var(--fs-display);letter-spacing:-.035em;line-height:1.02}
.lede{color:var(--ink-60);font-size:var(--fs-lede);max-width:56ch;margin-top:14px}

.grad-route{background:linear-gradient(120deg,var(--route),#F79A5C);-webkit-background-clip:text;background-clip:text;color:transparent}
.grad-deliver{background:linear-gradient(120deg,var(--deliver),#4FA9C4);-webkit-background-clip:text;background-clip:text;color:transparent}

/* Layout primitives ------------------------------------------------------ */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter);position:relative;z-index:2}
.narrow{max-width:var(--maxw-narrow)}
.section{padding:var(--sp-7) 0;border-top:1px solid var(--line);position:relative}
.section.flush{border-top:0}
main{position:relative;z-index:2}

.eyebrow{
  font-family:var(--data);font-size:11px;font-weight:600;letter-spacing:.16em;
  text-transform:uppercase;color:var(--ink-60);display:inline-flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--route);flex:none}
.eyebrow.blue::before{background:var(--deliver)}
.eyebrow.green::before{background:var(--visited)}

.stack-sm > * + *{margin-top:12px}
.stack > * + *{margin-top:20px}
.center{text-align:center}
.center .eyebrow,.center .lede{margin-left:auto;margin-right:auto}
.center .lede{max-width:60ch}

/* Utility background panel */
.panel-grid{position:absolute;inset:0;pointer-events:none;opacity:.6;
  background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);
  background-size:44px 44px}

/* Scroll progress -------------------------------------------------------- */
.progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:200;pointer-events:none}
.progress i{display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--route),var(--highway) 55%,var(--deliver));
  box-shadow:0 0 12px rgba(242,107,33,.5)}

/* Scroll reveal (progressive enhancement — only hides when JS is present) - */
.js [data-reveal]{opacity:0;transform:translateY(22px);
  transition:opacity var(--t-slow) var(--ease),transform var(--t-slow) var(--ease);
  transition-delay:var(--d,0s)}
.js [data-reveal].in{opacity:1;transform:none}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .js [data-reveal]{opacity:1!important;transform:none!important}
}

/* Helpers */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.hide-mobile{}
@media(max-width:720px){.hide-mobile{display:none!important}}