/* =========================================================================
   ARWAGREEN — Design System
   Display: Space Grotesk · Body: IBM Plex Sans · Data/Mono: IBM Plex Mono
   ========================================================================= */

:root{
  --ink:        #0B2119;
  --ink-2:      #12301F;
  --ink-3:      #1A3E27;
  --paper:      #F6F8F4;
  --paper-2:    #ECF1E9;
  --paper-3:    #FFFFFF;
  /* brand accent — mapped to the approved logo's leaf green (was "copper" in early draft) */
  --copper:     #2F7D32;
  --copper-deep:#1B5E20;
  --gold:       #C9A227;
  --green:      #2F7D32;
  --green-deep: #1B5E20;
  --green-soft: #E1F0E7;
  --ink-soft:   #445042;
  --ink-faint:  #7E8C7B;
  --line:       #DCE4D8;
  --line-dark:  #29452F;
  --red:        #B3452F;
  --saffron:    #E07A1F;

  --font-display: 'Space Grotesk', 'IBM Plex Sans', sans-serif;
  --font-body:    'IBM Plex Sans', -apple-system, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, monospace;

  --maxw: 1240px;
  --radius: 3px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ font-family:var(--font-display); margin:0 0 .5em; font-weight:600; letter-spacing:-0.01em; color:var(--ink); }
p{ margin:0 0 1em; }
ul{ margin:0; padding:0; }
.mono{ font-family:var(--font-mono); }
.container{ max-width:var(--maxw); margin:0 auto; padding:0 32px; }
section{ padding:96px 0; }
@media (max-width:900px){ section{ padding:64px 0; } .container{ padding:0 20px; } }

/* ---------- code-chip: signature recurring motif ---------- */
.code-chip{
  display:inline-flex; align-items:center; gap:.5em;
  font-family:var(--font-mono); font-size:12px; letter-spacing:.06em;
  text-transform:uppercase; color:var(--copper-deep);
  border:1px solid var(--copper); border-radius:2px;
  padding:4px 10px; background:rgba(169,102,46,.06);
}
.code-chip.green{ color:var(--green-deep); border-color:var(--green); background:rgba(31,122,92,.07); }
.code-chip.gold{ color:#7a5f10; border-color:var(--gold); background:rgba(201,162,39,.09); }
.code-chip.on-dark{ color:#E9C989; border-color:#8a6a2a; background:rgba(201,162,39,.12); }

/* ---------- eyebrow ---------- */
.eyebrow{
  font-family:var(--font-mono); font-size:12px; letter-spacing:.14em;
  text-transform:uppercase; color:var(--copper-deep); margin-bottom:14px;
  display:flex; align-items:center; gap:10px;
}
.eyebrow::before{ content:""; width:22px; height:1px; background:var(--copper); display:inline-block; }
.eyebrow.on-dark{ color:#E3B15A; }
.eyebrow.on-dark::before{ background:#E3B15A; }
.eyebrow.green{ color:var(--green-deep); }
.eyebrow.green::before{ background:var(--green); }

/* ---------- header / nav ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(245,247,245,.92); backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{ display:flex; align-items:center; justify-content:space-between; height:92px; }
.brand{ display:flex; align-items:center; gap:14px; }
.brand-mark{
  width:36px; height:36px; border-radius:2px;
  background:linear-gradient(135deg,var(--copper),var(--copper-deep));
  display:flex; align-items:center; justify-content:center;
  color:#F0E3C6; font-family:var(--font-display); font-weight:700; font-size:18px;
}
.brand-mark-img{ width:64px; height:auto; object-fit:contain; }
@media (max-width:640px){ .brand-mark-img{ width:50px; } .nav-wrap{ height:80px; } }

.page-crest{ width:76px; height:auto; margin-bottom:20px; filter:drop-shadow(0 6px 18px rgba(0,0,0,.35)); }
.hero-crest{ width:92px; height:auto; margin-bottom:22px; filter:drop-shadow(0 8px 22px rgba(0,0,0,.4)); }
.brand-text{ display:flex; flex-direction:column; line-height:1.15; }
.brand-text b{ font-family:var(--font-display); font-size:20px; letter-spacing:-.01em; }
.brand-text span{ font-family:var(--font-mono); font-size:11px; letter-spacing:.09em; color:var(--ink-faint); text-transform:uppercase; }

.nav-links{ display:flex; align-items:center; gap:28px; }
.nav-links a{
  font-size:14px; color:var(--ink-soft); font-weight:500; position:relative; padding:4px 0;
}
.nav-links a:hover, .nav-links a.active{ color:var(--ink); }
.nav-links a.active::after{ content:""; position:absolute; left:0; right:0; bottom:-3px; height:2px; background:var(--copper); }
.nav-cta{
  background:var(--ink); color:#fff !important; padding:10px 18px; border-radius:2px;
  font-size:13px; font-weight:600; letter-spacing:.02em;
}
.nav-cta:hover{ background:var(--green-deep); }
.nav-toggle{ display:none; background:none; border:none; cursor:pointer; padding:6px; }
.nav-toggle span{ display:block; width:22px; height:2px; background:var(--ink); margin:5px 0; }

@media (max-width:980px){
  .nav-links{
    position:fixed; inset:76px 0 0 0; background:var(--paper); flex-direction:column;
    align-items:flex-start; padding:28px 24px; gap:20px; transform:translateY(-8px);
    opacity:0; pointer-events:none; transition:.2s ease; overflow-y:auto;
  }
  .nav-links.open{ opacity:1; pointer-events:auto; transform:translateY(0); }
  .nav-toggle{ display:block; }
  .nav-cta{ margin-top:8px; }
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px; padding:13px 24px;
  border-radius:2px; font-size:14px; font-weight:600; letter-spacing:.01em;
  border:1px solid transparent; cursor:pointer; font-family:var(--font-body);
}
.btn-primary{ background:var(--copper); color:#fff; }
.btn-primary:hover{ background:var(--copper-deep); }
.btn-dark{ background:var(--ink); color:#fff; }
.btn-dark:hover{ background:var(--green-deep); }
.btn-outline{ background:transparent; border-color:var(--ink); color:var(--ink); }
.btn-outline:hover{ background:var(--ink); color:#fff; }
.btn-outline.on-dark{ border-color:#8FA6BE; color:#fff; }
.btn-outline.on-dark:hover{ background:#fff; color:var(--ink); }
.btn-green{ background:var(--green); color:#fff; }
.btn-green:hover{ background:var(--green-deep); }

/* ---------- hero ---------- */
.hero{
  position:relative; background:var(--ink); color:#fff; overflow:hidden;
  padding:104px 0 84px;
}
.hero-canvas{ position:absolute; inset:0; opacity:.55; }
.hero .container{ position:relative; z-index:2; }
.hero-grid{ display:grid; grid-template-columns:1.1fr .9fr; gap:56px; align-items:end; }
.hero h1{ color:#fff; font-size:clamp(34px,4.6vw,58px); line-height:1.06; margin-bottom:22px; max-width:16ch; }
.hero p.lead{ color:#C6D2E2; font-size:18px; max-width:52ch; margin-bottom:32px; }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:8px; }
.hero-stats{
  display:grid; grid-template-columns:repeat(2,1fr); gap:20px;
  border-top:1px solid #223A56; padding-top:24px; margin-top:44px;
}
.hero-stat b{ display:block; font-family:var(--font-mono); font-size:28px; color:#EFD289; }
.hero-stat span{ font-size:12.5px; color:#93A5BC; }
@media (max-width:900px){ .hero-grid{ grid-template-columns:1fr; } }

/* page (non-home) header banner */
.page-hero{ background:var(--ink); color:#fff; padding:72px 0 56px; position:relative; overflow:hidden; }
.page-hero h1{ color:#fff; font-size:clamp(28px,4vw,44px); max-width:22ch; }
.page-hero p{ color:#C6D2E2; max-width:60ch; font-size:16.5px; }
.page-hero .container{ position:relative; z-index:2; }

/* ---------- stat strip ---------- */
.stat-strip{ background:var(--paper-2); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.stat-strip .container{ display:grid; grid-template-columns:repeat(5,1fr); gap:0; }
.stat-cell{ padding:30px 20px; text-align:center; border-left:1px solid var(--line); }
.stat-cell:first-child{ border-left:none; }
.stat-cell b{ display:block; font-family:var(--font-mono); font-size:26px; color:var(--copper-deep); }
.stat-cell span{ font-size:12px; color:var(--ink-soft); }
@media (max-width:900px){ .stat-strip .container{ grid-template-columns:repeat(2,1fr); } .stat-cell{ border-left:none; border-top:1px solid var(--line); } .stat-cell:nth-child(odd){border-left:none;} }

/* ---------- cards ---------- */
.grid{ display:grid; gap:24px; }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-4{ grid-template-columns:repeat(4,1fr); }
.grid-2{ grid-template-columns:repeat(2,1fr); }
@media (max-width:980px){ .grid-3,.grid-4{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:640px){ .grid-3,.grid-4,.grid-2{ grid-template-columns:1fr; } }

.card{
  background:var(--paper-3); border:1px solid var(--line); border-radius:var(--radius);
  padding:28px; transition:.18s ease;
}
.card:hover{ border-color:var(--copper); transform:translateY(-2px); box-shadow:0 10px 24px rgba(10,26,47,.06); }
.card h3{ font-size:18px; margin-bottom:8px; }
.card p{ color:var(--ink-soft); font-size:14.5px; margin-bottom:0; }
.card .code-chip{ margin-bottom:14px; }

.card-dark{ background:var(--ink-2); border:1px solid var(--line-dark); color:#fff; }
.card-dark h3{ color:#fff; }
.card-dark p{ color:#B9C6D6; }

/* section headers */
.section-head{ max-width:760px; margin-bottom:48px; }
.section-head h2{ font-size:clamp(26px,3vw,36px); }
.section-head p{ color:var(--ink-soft); font-size:16.5px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

/* two-col */
.two-col{ display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:start; }
@media (max-width:900px){ .two-col{ grid-template-columns:1fr; } }

/* tables */
.table-wrap{ overflow-x:auto; border:1px solid var(--line); border-radius:var(--radius); }
table{ width:100%; border-collapse:collapse; font-size:14px; min-width:640px; }
th,td{ text-align:left; padding:13px 16px; border-bottom:1px solid var(--line); vertical-align:top; }
thead th{ background:var(--paper-2); font-family:var(--font-mono); font-size:11.5px; letter-spacing:.06em; text-transform:uppercase; color:var(--ink-soft); }
tbody tr:last-child td{ border-bottom:none; }
tbody tr:hover{ background:rgba(169,102,46,.035); }

/* tier badges */
.tier-badge{ display:inline-block; font-family:var(--font-mono); font-size:11px; padding:3px 8px; border-radius:2px; letter-spacing:.04em; }
.tier-1{ background:#FCEFDD; color:#8A5A12; }
.tier-2{ background:#E6EEF7; color:#2A4E7C; }
.tier-3{ background:#E9E4F5; color:#5B3C99; }
.tier-4{ background:#E1F0E7; color:#14513E; }

/* comparison table (green vs chemical) */
.compare-table td.good{ color:var(--green-deep); font-weight:600; }
.compare-table td.bad{ color:var(--red); }

/* pill list (sectors / policies) */
.pill-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(210px,1fr)); gap:14px; }
.pill{
  border:1px solid var(--line); border-radius:var(--radius); padding:16px 18px; background:var(--paper-3);
  display:flex; flex-direction:column; gap:6px;
}
.pill .num{ font-family:var(--font-mono); font-size:11px; color:var(--ink-faint); }
.pill b{ font-size:14.5px; }
.pill span{ font-size:12.5px; color:var(--ink-soft); }

/* timeline */
.timeline{ position:relative; padding-left:28px; border-left:2px solid var(--line); }
.timeline-item{ position:relative; padding-bottom:32px; }
.timeline-item::before{ content:""; position:absolute; left:-34px; top:4px; width:10px; height:10px; border-radius:50%; background:var(--copper); border:2px solid var(--paper); }
.timeline-item b{ font-family:var(--font-mono); color:var(--copper-deep); font-size:13px; }
.timeline-item p{ margin-top:4px; color:var(--ink-soft); font-size:14.5px; }

/* footer */
.site-footer{ background:var(--ink); color:#B9C6D6; padding:64px 0 28px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; margin-bottom:48px; }
.footer-grid h4{ color:#fff; font-size:13px; letter-spacing:.06em; text-transform:uppercase; font-family:var(--font-mono); margin-bottom:16px; }
.footer-grid ul li{ list-style:none; margin-bottom:10px; font-size:14px; }
.footer-grid ul li a:hover{ color:#fff; }
.footer-bottom{ border-top:1px solid #223A56; padding-top:24px; font-size:12.5px; color:#7F91A9; display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; }
@media (max-width:900px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:600px){ .footer-grid{ grid-template-columns:1fr; } }

/* badges row */
.badge-row{ display:flex; gap:12px; flex-wrap:wrap; margin-top:18px; }
.badge{
  display:flex; align-items:center; gap:8px; font-size:12.5px; font-weight:600;
  border:1px solid var(--line-dark); color:#DDE7F1; padding:8px 14px; border-radius:2px;
  background:rgba(255,255,255,.03);
}
.badge b{ color:var(--gold); font-family:var(--font-mono); font-weight:700; }

/* forms */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
@media (max-width:700px){ .form-grid{ grid-template-columns:1fr; } }
.field{ display:flex; flex-direction:column; gap:6px; }
.field.full{ grid-column:1/-1; }
.field label{ font-size:13px; font-weight:600; color:var(--ink); }
.field .hint{ font-size:12px; color:var(--ink-faint); font-weight:400; }
.field input, .field select, .field textarea{
  font-family:var(--font-body); font-size:14.5px; padding:12px 14px;
  border:1px solid var(--line); border-radius:2px; background:#fff; color:var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:2px solid var(--copper); outline-offset:1px; border-color:var(--copper);
}
.field textarea{ resize:vertical; min-height:110px; font-family:var(--font-body); }
.checkbox-row{ display:flex; align-items:flex-start; gap:10px; font-size:14px; color:var(--ink-soft); }
.checkbox-row input{ margin-top:3px; }
.form-note{
  background:var(--green-soft); border:1px solid #BFE0CD; border-radius:var(--radius);
  padding:16px 18px; font-size:13.5px; color:var(--green-deep); margin-bottom:24px;
}

/* CTA band */
.cta-band{ background:var(--green-deep); color:#fff; text-align:center; padding:72px 0; }
.cta-band h2{ color:#fff; font-size:clamp(24px,3vw,34px); max-width:26ch; margin:0 auto 14px; }
.cta-band p{ color:#CFE6DA; max-width:56ch; margin:0 auto 30px; }
.cta-actions{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* misc */
.divider{ height:1px; background:var(--line); margin:56px 0; border:none; }
.center{ text-align:center; }
.small{ font-size:13px; color:var(--ink-faint); }
.tag-row{ display:flex; gap:10px; flex-wrap:wrap; }
.skip-link{ position:absolute; left:-999px; top:0; background:#fff; padding:10px; z-index:100; }
.skip-link:focus{ left:10px; top:10px; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation:none !important; transition:none !important; }
}

/* ---------- data windows: Green Quantum News / Green Energy News / Download ---------- */
.window-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
@media (max-width:980px){ .window-grid{ grid-template-columns:1fr; } }

.data-window{
  background:var(--ink-2); border:1px solid var(--line-dark); border-radius:5px;
  overflow:hidden; display:flex; flex-direction:column; height:100%;
}
.window-titlebar{
  display:flex; align-items:center; gap:10px; padding:12px 14px;
  background:#0E2417; border-bottom:1px solid var(--line-dark);
}
.window-dots{ display:flex; gap:6px; }
.window-dots span{ width:9px; height:9px; border-radius:50%; display:inline-block; }
.window-dots span:nth-child(1){ background:#E0645A; }
.window-dots span:nth-child(2){ background:#E3B04B; }
.window-dots span:nth-child(3){ background:#4CAF7A; }
.window-title{ font-family:var(--font-mono); font-size:11.5px; letter-spacing:.05em; text-transform:uppercase; color:#CFE0D5; }
.window-live{
  margin-left:auto; font-family:var(--font-mono); font-size:9.5px; color:#8FBF9E;
  display:flex; align-items:center; gap:5px;
}
.window-live .dot{ width:6px; height:6px; border-radius:50%; background:#4CAF7A; display:inline-block; }
.window-body{ padding:16px 16px 18px; flex:1; display:flex; flex-direction:column; gap:12px; min-height:220px; }
.news-item{ padding-bottom:12px; border-bottom:1px solid var(--line-dark); }
.news-item:last-child{ border-bottom:none; padding-bottom:0; }
.news-item a{ font-size:13px; font-weight:600; color:#EAF1EC; line-height:1.4; display:block; margin-bottom:4px; }
.news-item a:hover{ color:var(--gold); }
.news-item .src{ font-family:var(--font-mono); font-size:10px; color:#7E9986; text-transform:uppercase; letter-spacing:.03em; }
.window-loading{ font-size:12.5px; color:#7E9986; font-style:italic; }
.download-item{
  display:flex; align-items:center; justify-content:space-between; gap:10px;
  padding:12px 14px; border:1px solid var(--line-dark); border-radius:3px; background:#0E2417;
}
.download-item .dl-name{ font-size:13px; font-weight:600; color:#EAF1EC; }
.download-item .dl-meta{ font-family:var(--font-mono); font-size:10px; color:#7E9986; margin-top:2px; }
.dl-btn{
  font-family:var(--font-mono); font-size:11px; font-weight:600; color:var(--ink);
  background:var(--gold); padding:7px 12px; border-radius:2px; white-space:nowrap;
}
.dl-btn:hover{ background:#E3B15A; }