/* ============================================================
   CSSB — Country Star Sdn Bhd
   Energy Savings Solutions — Shared Design System
   Aesthetic: dark, high-tech, green sustainability glow
   ============================================================ */

/* ---------- Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

/* ---------- Tokens ---------- */
:root{
  --bg:        #080c0a;
  --bg-2:      #0c120f;
  --surface:   #111914;
  --surface-2: #16201a;
  --line:      rgba(255,255,255,0.08);
  --line-2:    rgba(255,255,255,0.14);

  --green:     #3ee594;   /* primary glow */
  --green-2:   #7df0bd;   /* lighter */
  --green-deep:#1f7d53;
  --teal:      #2dd4bf;   /* secondary accent */
  --lime:      #b6f24a;   /* tertiary highlight, sparse */

  --ink:       #eaf3ee;
  --muted:     #93a79c;
  --muted-2:   #687a70;

  --glow: 0 0 0 1px rgba(62,229,148,.25), 0 8px 40px -12px rgba(62,229,148,.45);
  --radius: 14px;
  --radius-lg: 22px;
  --maxw: 1240px;

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

/* ---------- Reset ---------- */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:hidden}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
::selection{background:var(--green);color:#03110a}

/* ---------- Type ---------- */
h1,h2,h3,h4{font-family:var(--font-head);font-weight:600;line-height:1.05;letter-spacing:-0.02em}
h1{font-size:clamp(2.6rem,6vw,4.6rem)}
h2{font-size:clamp(2rem,4vw,3.1rem)}
h3{font-size:clamp(1.3rem,2vw,1.6rem)}
p{text-wrap:pretty}
.eyebrow{
  font-family:var(--font-mono);
  font-size:.78rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--green);
  display:inline-flex;align-items:center;gap:.6em;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--green);display:inline-block}
.lead{font-size:clamp(1.05rem,1.6vw,1.3rem);color:var(--muted);max-width:60ch}
.mono{font-family:var(--font-mono)}
.grad-text{
  background:linear-gradient(100deg,var(--green) 0%,var(--teal) 60%,var(--green-2) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ---------- Layout ---------- */
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(20px,5vw,48px)}
section{position:relative}
.section{padding-block:clamp(64px,9vw,128px)}
.divider{height:1px;background:var(--line);border:0}
.grid{display:grid;gap:24px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6em;
  font-family:var(--font-body);font-weight:600;font-size:.98rem;
  padding:.85em 1.5em;border-radius:100px;border:1px solid transparent;
  transition:transform .25s cubic-bezier(.2,.8,.2,1), box-shadow .25s, background .25s, color .25s;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--green);color:#03130b;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(62,229,148,.4),0 14px 50px -10px rgba(62,229,148,.7)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--green);color:var(--green);transform:translateY(-2px)}
.btn-arrow svg{transition:transform .25s}
.btn:hover .btn-arrow svg{transform:translateX(4px)}

/* ---------- Navigation ---------- */
.nav{
  position:sticky;top:0;z-index:100;
  backdrop-filter:blur(14px);
  background:color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;padding-block:10px}
.brand{display:flex;align-items:center;gap:.6em;font-family:var(--font-head);font-weight:700;font-size:1.35rem;letter-spacing:-.02em}
.brand .mark{
  width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(145deg,var(--green),var(--green-deep));
  box-shadow:var(--glow);color:#04140c;font-weight:700;font-size:.95rem;
}
.brand .mark-img{width:52px;height:52px;border-radius:0;background:none;box-shadow:none;object-fit:contain;margin-left:-6px}
.brand small{display:block;font-family:var(--font-mono);font-size:.5rem;letter-spacing:.18em;color:var(--muted);font-weight:400;margin-top:1px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-links a:not(.btn){
  padding:.5em .9em;border-radius:8px;color:var(--muted);font-size:.95rem;font-weight:500;
  transition:color .2s,background .2s;
}
.nav-links a:not(.btn):hover{color:var(--ink);background:var(--surface)}
.nav-links a.active{color:var(--ink)}
.nav-toggle{display:none;background:none;border:0;color:var(--ink);width:44px;height:44px;border-radius:10px}
.nav-toggle:hover{background:var(--surface)}

/* Dropdown */
.has-drop{position:relative}
.drop{
  position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(8px);
  background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:10px;
  width:520px;display:grid;grid-template-columns:1fr 1fr;gap:2px;
  opacity:0;visibility:hidden;transition:.2s;box-shadow:0 30px 80px -20px #000;
}
.has-drop:hover .drop{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.drop a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;color:var(--muted);font-size:.9rem}
.drop a:hover{background:var(--surface-2);color:var(--ink)}
.drop a .di{width:26px;height:26px;flex:none;display:grid;place-items:center;color:var(--green)}

/* mobile menu */
.mnav{display:none;position:absolute;top:100%;left:0;right:0;z-index:99;background:var(--bg);border-bottom:1px solid var(--line);padding:20px clamp(20px,5vw,48px) 28px;flex-direction:column;gap:6px;max-height:calc(100dvh - 100%);overflow:auto}
.mnav.open{display:flex}
.mnav a{padding:14px 16px;border-radius:12px;font-size:1.1rem;font-family:var(--font-head);border:1px solid var(--line)}
.mnav a:hover{border-color:var(--green);color:var(--green)}

/* ---------- Cards ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;transition:transform .3s cubic-bezier(.2,.8,.2,1),border-color .3s,background .3s;
  position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-2)}
.card-link:hover{border-color:rgba(62,229,148,.4)}
.icon-badge{
  width:52px;height:52px;border-radius:13px;display:grid;place-items:center;
  background:var(--surface-2);border:1px solid var(--line);color:var(--green);margin-bottom:18px;
  transition:.3s;
}
.card-link:hover .icon-badge{background:rgba(62,229,148,.12);border-color:rgba(62,229,148,.4)}

/* ---------- Placeholder imagery ---------- */
.ph{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background:
    repeating-linear-gradient(135deg, rgba(62,229,148,.05) 0 12px, transparent 12px 24px),
    var(--surface);
  border:1px solid var(--line);
  display:grid;place-items:center;min-height:200px;
}
.ph::after{
  content:attr(data-label);
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted-2);padding:6px 12px;border:1px dashed var(--line-2);border-radius:100px;
  background:color-mix(in srgb,var(--bg) 60%,transparent);
}

/* ---------- Stats ---------- */
.stat .num{font-family:var(--font-head);font-weight:600;font-size:clamp(2.2rem,4vw,3.4rem);line-height:1;color:var(--ink)}
.stat .num .unit{color:var(--green)}
.stat .label{color:var(--muted);font-size:.92rem;margin-top:8px}

/* ---------- Pills / tags ---------- */
.pill{display:inline-flex;align-items:center;gap:.5em;font-family:var(--font-mono);font-size:.74rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--muted);border:1px solid var(--line);border-radius:100px;padding:.4em .9em;background:var(--surface)}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green)}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--line);background:var(--bg-2);padding-block:64px 32px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer h4{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted-2);margin-bottom:18px;font-weight:500}
.footer a{display:block;color:var(--muted);font-size:.93rem;padding:5px 0;transition:color .2s}
.footer a:hover{color:var(--green)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;
  margin-top:48px;padding-top:24px;border-top:1px solid var(--line);color:var(--muted-2);font-size:.85rem}

/* ---------- Glow / decorative ---------- */
.glow-orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.4;pointer-events:none;z-index:0}
.bg-grid{
  position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 75%);
}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}
/* verification helper: instantly settle reveals (added by tooling only) */
html.snap .reveal{opacity:1!important;transform:none!important;transition:none!important}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- Utilities ---------- */
.center{text-align:center}
.mx-auto{margin-inline:auto}
.muted{color:var(--muted)}
.green{color:var(--green)}
.maxw-prose{max-width:64ch}
.flex{display:flex}
.items-center{align-items:center}
.gap-sm{gap:10px}
.gap{gap:18px}
.wrap-flex{flex-wrap:wrap}
.mt-1{margin-top:12px}.mt-2{margin-top:24px}.mt-3{margin-top:40px}.mt-4{margin-top:64px}
.hide-mob{display:initial}

/* ---------- Responsive ---------- */
/* Nav collapses to a hamburger before the desktop links can crowd */
@media(max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:grid;place-items:center}
}
@media(max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .hide-mob{display:none}
}
/* Two-column hero / feature splits stack */
@media(max-width:820px){
  .hero-grid{grid-template-columns:1fr!important}
  .section{padding-block:clamp(52px,9vw,96px)}
  .drop{width:min(440px,80vw)}
}
@media(max-width:560px){
  body{font-size:16px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;text-align:left}
  /* Any inline multi-column grid collapses to a single column on phones */
  [style*="grid-template-columns:repeat(2"],
  [style*="grid-template-columns:repeat(3"],
  [style*="grid-template-columns:repeat(4"],
  [style*="grid-template-columns:1fr 1fr"],
  [style*="grid-template-columns:1.1fr"],
  [style*="grid-template-columns:1.2fr"],
  [style*="grid-template-columns:1.4fr"]{
    grid-template-columns:1fr!important;
  }
  /* Remove now-redundant vertical dividers when cells stack */
  .pn[style*="border-right"]{border-right:0!important;border-bottom:1px solid var(--line)}
}
/* Full-width, tappable buttons in stacked CTA rows */
@media(max-width:480px){
  .wrap-flex > .btn,
  .flex.gap.center > .btn{flex:1 1 100%;justify-content:center}
  .btn{padding:.95em 1.4em}
}