/* EcoMargins.com shared layout. All colors are tokens (SPEC section 3).
   Fonts: Figtree and IBM Plex Mono are self-hosted from static/fonts (OFL); the stacks keep system
   fallbacks. Declare @font-face only for files that exist in static/fonts. */
@font-face{font-family:'Figtree';font-style:normal;font-weight:300 900;font-display:swap;
  src:url(/static/fonts/Figtree%5Bwght%5D.ttf) format('truetype')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;
  src:url(/static/fonts/IBMPlexMono-Regular.ttf) format('truetype')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;
  src:url(/static/fonts/IBMPlexMono-Medium.ttf) format('truetype')}
:root{
  --bg:#FAFBF9; --surface:#FFFFFF; --surface2:#EBF1ED; --fg:#1F2733; --muted:#53606B; --line:#D5DDD8;
  --teal:#14633A; --teal-soft:#DCEDE2; --on-teal:#FFFFFF;
  --amber:#9A5200; --amber-soft:#FBE9CC;
  --panel:#12372A; --panel-fg:#F1F5F2; --panel-muted:#A9C2B5; --panel-line:#2C5645; --panel-teal:#5DBB7A; --panel-amber:#F2B04A;
  --show-l:block; --show-d:none;
  --display:'Figtree','Helvetica Neue',Arial,sans-serif;
  --body:'Figtree','Helvetica Neue',Arial,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0C1A15; --surface:#12261E; --surface2:#173026; --fg:#ECF1EE; --muted:#A3B8AD; --line:#26402F;
  --teal:#5DBB7A; --teal-soft:#17402B; --on-teal:#08170F;
  --amber:#F2B04A; --amber-soft:#3A2A10;
  --panel:#0F2A20; --panel-fg:#F1F5F2; --panel-muted:#A9C2B5; --panel-line:#2C5645; --panel-teal:#5DBB7A; --panel-amber:#F2B04A;
  --show-l:none; --show-d:block;
  color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0C1A15; --surface:#12261E; --surface2:#173026; --fg:#ECF1EE; --muted:#A3B8AD; --line:#26402F;
  --teal:#5DBB7A; --teal-soft:#17402B; --on-teal:#08170F;
  --amber:#F2B04A; --amber-soft:#3A2A10;
  --panel:#0F2A20; --panel-fg:#F1F5F2; --panel-muted:#A9C2B5; --panel-line:#2C5645; --panel-teal:#5DBB7A; --panel-amber:#F2B04A;
  --show-l:none; --show-d:block;
  color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--fg);font-family:var(--body);font-size:17px;line-height:1.55;margin:0;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.wrap{max-width:1120px;margin:0 auto;padding-block:40px}
h1,h2,h3{font-family:var(--display);line-height:1.12;letter-spacing:-.02em;margin:0;text-wrap:balance}
h1{font-size:clamp(2.2rem,5.4vw,3.9rem);font-weight:800}
p{margin:0}
a{color:inherit}
.mail{font-family:var(--mono);font-size:.92em}
:focus-visible{outline:3px solid var(--teal);outline-offset:3px;border-radius:4px}

/* skip link */
.skip{position:absolute;left:-9999px;top:8px;z-index:50;background:var(--teal);color:var(--on-teal);padding:10px 16px;border-radius:8px;font-weight:600}
.skip:focus{left:16px}

/* header */
.top{position:sticky;top:0;z-index:20;background:var(--bg);border-bottom:1px solid var(--line);
  margin-left:calc(-1*max(16px,env(safe-area-inset-left,0px)));margin-right:calc(-1*max(16px,env(safe-area-inset-right,0px)));
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.bar{max-width:1120px;margin:0 auto;display:flex;align-items:center;gap:20px;padding-block:14px}
.brand{display:flex;align-items:center;text-decoration:none}
.lg{height:36px;width:auto}
.lgl{display:var(--show-l)}
.lgd{display:var(--show-d)}
nav{display:flex;gap:4px;margin-left:auto;align-items:center;flex-wrap:wrap}
nav a.nl{text-decoration:none;font-size:.95rem;padding:8px 12px;border-radius:6px;color:var(--muted);font-weight:500}
nav a.nl:hover{color:var(--fg);background:var(--surface2)}
nav a.nl[aria-current="page"]{color:var(--fg);box-shadow:inset 0 -2px 0 var(--teal);border-radius:0}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--line);color:var(--fg);border-radius:8px;padding:8px 14px;font:inherit;font-weight:500;cursor:pointer}
.theme{display:inline-grid;place-items:center;padding:0;background:none;border:1px solid var(--line);color:var(--muted);border-radius:8px;width:38px;height:38px;cursor:pointer;margin-left:6px}
.btn{display:inline-flex;align-items:center;gap:8px;font:inherit;font-weight:600;font-size:1rem;text-decoration:none;border-radius:8px;padding:13px 22px;cursor:pointer;border:1.5px solid transparent;transition:transform .12s}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:var(--teal);color:var(--on-teal)}
.btn.small{padding:9px 16px;font-size:.92rem}

/* footer */
footer{border-top:1px solid var(--line);margin-left:calc(-1*max(16px,env(safe-area-inset-left,0px)));margin-right:calc(-1*max(16px,env(safe-area-inset-right,0px)));
  padding:28px max(16px,env(safe-area-inset-left,0px));color:var(--muted);font-size:.92rem}
.foot{max-width:1120px;margin:0 auto;display:flex;flex-wrap:wrap;gap:8px 28px;justify-content:space-between}
.foot .projects{flex-basis:100%;font-size:.88rem}

/* mobile bottom bar: hidden on wide screens */
.callbar{display:none}

@media (max-width:860px){
  .menu-btn{display:block}
  nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--bg);flex-direction:column;align-items:stretch;padding:12px max(16px,env(safe-area-inset-left,0px)) 16px;border-bottom:1px solid var(--line)}
  nav.open{display:flex}
  nav a.btn{justify-content:center}
  .theme{margin:6px 0 0}
  body{padding-bottom:76px}
  .callbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:25;align-items:center;justify-content:space-between;gap:12px;
    background:var(--bg);border-top:1px solid var(--line);padding:10px max(16px,env(safe-area-inset-left,0px)) max(10px,env(safe-area-inset-bottom,0px))}
  .cb-n{font-family:var(--mono);font-weight:500;user-select:text}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none !important;animation:none !important}
  .btn:hover{transform:none}
}