/* ====== Design Tokens (edit these) ====== */
:root{
  --brand:#0a5c46;            /* primary brand green */
  --brand-ink:#08352a;        /* darker accent */
  --accent:#e3b341;           /* gold accent */
  --ink:#0f172a;              /* nearly-black text */
  --muted:#475569;            /* secondary text */
  --bg:#ffffff;               /* page background */
  --bg-soft:#f6f8fa;          /* soft section background */
  --card:#ffffff;             /* card background */
  --ring:rgba(10,92,70,0.25); /* focus ring */
  --radius:16px;
  --shadow:0 10px 30px rgba(2,6,23,0.06);
  --maxw:1100px;
  --logo-w:320px;             /* easy logo sizing */
}

/* ====== Base ====== */
html,body{height:100%}
body{
  margin:0;
  font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";
  color:var(--ink);
  background:var(--bg);
  line-height:1.55;
  text-rendering:optimizeLegibility;
}
.container{max-width:var(--maxw);margin:0 auto;padding:24px}
img{max-width:100%;height:auto}

/* ====== Layout Stability Additions ====== */
html{scrollbar-gutter:stable}
@supports not (scrollbar-gutter: stable){html{overflow-y:scroll}}
*{box-sizing:border-box}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.btn{
  display:inline-block;border:1px solid transparent;padding:12px 18px;border-radius:9999px;font-weight:600;
  box-shadow:var(--shadow)
}
.btn:focus{outline:none;box-shadow:0 0 0 4px var(--ring)}
.btn.brand{background:var(--brand);color:#fff}
.btn.light{background:#fff;color:var(--brand);border-color:var(--brand)}

/* ====== Header ====== */
header{
  position:sticky;top:0;background:rgba(255,255,255,0.85);backdrop-filter:blur(8px);
  border-bottom:1px solid #e5e7eb;z-index:10
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:14px;font-weight:800}
.brand img{width:var(--logo-w);height:auto;display:block} /* scalable logo */
.brand span{letter-spacing:0.3px}
.nav a{color:var(--muted);font-weight:600}
/* Prevent wrap-induced nudge in header */
.nav .brand{flex:0 0 auto}
.nav .navlinks{flex:0 0 auto;white-space:nowrap}


/* ====== Hero ====== */
.hero{background:linear-gradient(180deg,#fff,var(--bg-soft));border-bottom:1px solid #e5e7eb}
.hero-inner{
  display:grid;grid-template-columns:1.2fr 0.8fr;align-items:center;gap:32px;padding:40px 0
}
.kicker{color:var(--brand-ink);font-weight:700;text-transform:uppercase;letter-spacing:0.12em;font-size:12px}
h1{font-size:clamp(28px,5vw,44px);line-height:1.15;margin:10px 0 14px}
.lead{color:var(--muted);font-size:18px}
.cta{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap}

/* ====== Cards ====== */
.section{padding:40px 0}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.card{
  grid-column:span 6;background:var(--card);border:1px solid #e5e7eb;border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow)
}
.card h3{margin-top:0;margin-bottom:8px}
.sp{color:var(--muted);font-size:14px}
.list{margin:12px 0 0 0;padding-left:18px}
.section-title{font-size:24px;font-weight:800;margin:0 0 8px}
.subsection{margin-top:28px}
.subsection > h3{margin:0 0 6px}
.subblock{margin-top:18px}
.subhead{margin:0 0 8px;font-size:16px}
.note{opacity:.85}

/* ====== Logos / Badges ====== */
.badges{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:18px}
.badge{
  border:1px solid #e5e7eb;border-radius:9999px;padding:8px 12px;background:#fff;font-weight:700;color:var(--brand-ink)
}

/* ====== Footer ====== */
footer{border-top:1px solid #e5e7eb;background:#fff}
.foot{
  display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center;padding:26px 0;
  color:var(--muted);font-size:14px
}

/* ====== Responsive ====== */
/* Tablet & below */
@media (max-width:901px){
  .hero-inner{grid-template-columns:1fr}
  .card{grid-column:span 12}
  .foot{grid-template-columns:1fr;text-align:center}
  .nav{flex-wrap:wrap}
  #heavy-duty .subblock .card{grid-column:span 6}
}

/* Mobile phones */
@media (max-width:600px){
  /* Header breathing room */
  header .container{padding-top:16px;padding-bottom:16px}
  /* Stack contact line under logo so it doesn’t crowd */
  .nav .navlinks{width:100%;display:block;margin-top:8px}
  /* Hero spacing (extra top/bottom) */
  .hero{padding-top:16px}
  .hero-inner{padding-top:40px;padding-bottom:36px}
  /* Small top pad so sticky header never overlaps */
  main{padding-top:8px}
  /* Optional: slightly smaller headline for narrow phones */
  h1{font-size:clamp(26px,7vw,40px)}
  .section-title{font-size:22px}
  .subsection > h3{font-size:18px}
  .subhead{font-size:15px}
}


/* ====== Mobile Edge Padding & Safe-Area Fix ====== */
/* Ensures left/right padding on small screens and accounts for iOS notches */
:root{ --container-pad-min:16px; }

/* Default: keep containers padded even if other rules zero them out */
.container{ padding-left: var(--container-pad-min); padding-right: var(--container-pad-min); }

/* Prefer safe-area if available */
@supports (padding: max(0px)) {
  .container{
    padding-left: max(var(--container-pad-min), env(safe-area-inset-left));
    padding-right: max(var(--container-pad-min), env(safe-area-inset-right));
  }
}

/* Force padding on common sections for narrow viewports */
@media (max-width: 640px){
  header .container,
  .section .container,
  .hero .container,
  footer .container{
    padding-left: max(var(--container-pad-min), env(safe-area-inset-left)) !important;
    padding-right: max(var(--container-pad-min), env(safe-area-inset-right)) !important;
  }
}