/* =========================================================
   Superwing Service Pty Ltd — superwingservicetec.site
   Art direction: aviation / aerospace support services.
   Deep petrol brand + hi-vis marking accent, cool neutral
   ramp, mono type for data. Sharp shape language
   (3px radius, hairline rules, tight tracking).
   ========================================================= */

:root{
  /* --- brand --- */
  --primary:#143a44;
  --primary-deep:#0b2328;
  --primary-mid:#2c6474;
  --primary-tint:#e3ecee;
  --accent:#c8641e;
  --accent-ink:#8d440f;
  --accent-tint:#f8e8db;
  --accent-light:#eda76e;

  /* --- neutrals --- */
  --bg:#f6f8f8;
  --surface:#ffffff;
  --surface-alt:#edf1f1;
  --border:#d6dedf;
  --border-strong:#b7c3c5;
  --text:#111a1c;
  --muted:#53646a;
  --on-dark:#e9eff0;
  --on-dark-muted:#a8bbc0;

  /* --- translucent + effect tokens --- */
  --nav-bg:rgba(255,255,255,.82);
  --nav-bg-solid:#ffffff;
  --nav-border:rgba(17,26,28,.10);
  --hairline-dark:rgba(233,239,240,.16);
  --grid-line-dark:rgba(233,239,240,.07);
  --glow:rgba(44,100,116,.42);
  --glow-accent:rgba(200,100,30,.20);
  --panel-dark:rgba(233,239,240,.06);
  --panel-dark-2:rgba(233,239,240,.10);
  --focus-ring:rgba(44,100,116,.55);
  --art-dark:rgba(233,239,240,.55);
  --art-dark-faint:rgba(233,239,240,.20);

  /* --- shadows --- */
  --shadow-sm:0 1px 2px rgba(11,35,40,.05);
  --shadow-md:0 1px 2px rgba(11,35,40,.04), 0 8px 24px rgba(11,35,40,.07);
  --shadow-lg:0 20px 50px rgba(11,35,40,.16);

  /* --- spacing scale --- */
  --s1:.5rem;
  --s2:.75rem;
  --s3:1rem;
  --s4:1.5rem;
  --s5:2.5rem;
  --s6:4rem;
  --s7:6rem;

  /* --- geometry --- */
  --radius:3px;
  --radius-sm:2px;
  --container:1140px;
  --gutter:1.375rem;

  /* --- type --- */
  --font-body:-apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display:"Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono:ui-monospace, "SF Mono", "Cascadia Mono", Consolas, "Courier New", monospace;

  /* --- motion --- */
  --t-fast:150ms;
  --t:200ms;
}

/* ============ base ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:clamp(1rem,.97rem + .18vw,1.0625rem);
  line-height:1.65;
  overflow-x:hidden;
}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:700;
  letter-spacing:-.02em;
  line-height:1.12;
  margin:0 0 var(--s3);
  color:var(--text);
}
h1{font-size:clamp(2.25rem,5vw,4rem)}
h2{font-size:clamp(1.6rem,3vw,2.4rem)}
h3{font-size:clamp(1.05rem,1.4vw,1.25rem);line-height:1.25}
h4{font-size:1rem;line-height:1.3}
p{margin:0 0 var(--s3);max-width:68ch}
a{color:var(--accent-ink);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--accent)}
ul,ol{margin:0 0 var(--s3);padding-left:1.15rem}
li{margin-bottom:var(--s1)}
strong{font-weight:700}
em{font-style:italic}
:focus-visible{outline:2px solid var(--focus-ring);outline-offset:3px;border-radius:var(--radius-sm)}

.skip-link{
  position:absolute;left:var(--s3);top:-4rem;z-index:200;
  background:var(--primary-deep);color:var(--on-dark);
  padding:var(--s2) var(--s3);border-radius:var(--radius);
  font-size:.875rem;text-decoration:none;transition:top var(--t);
}
.skip-link:focus{top:var(--s2);color:var(--on-dark)}

.container{
  width:100%;max-width:var(--container);
  margin-inline:auto;padding-inline:var(--gutter);
}

/* ============ type helpers ============ */
.eyebrow{
  display:block;
  font-family:var(--font-mono);
  font-size:.78rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--accent-ink);
  margin:0 0 var(--s2);
  max-width:none;
}
.eyebrow-dark{color:var(--accent-light)}
.lead{
  font-size:clamp(1.05rem,.98rem + .5vw,1.25rem);
  line-height:1.6;
  color:var(--muted);
  max-width:62ch;
}
.section-head{max-width:62ch;margin-bottom:var(--s5)}
.measure{max-width:66ch}

/* ============ sections ============ */
.section{padding-block:clamp(3rem,7vw,var(--s7))}
.section-alt{background:var(--surface-alt);border-block:1px solid var(--border)}
.section-surface{background:var(--surface)}
.band-dark{
  position:relative;
  background:
    radial-gradient(90% 120% at 85% 0%, var(--glow) 0%, transparent 58%),
    linear-gradient(155deg, var(--primary-deep) 0%, var(--primary) 100%);
  color:var(--on-dark);
  padding-block:clamp(3rem,7vw,var(--s7));
  overflow:hidden;
}
.band-dark::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(90deg,var(--grid-line-dark) 0 1px,transparent 1px 72px),
    repeating-linear-gradient(0deg,var(--grid-line-dark) 0 1px,transparent 1px 72px);
}
.band-dark > *{position:relative}
.band-dark h2,.band-dark h3,.band-dark h4{color:var(--on-dark)}
.band-dark p,.band-dark .lead{color:var(--on-dark-muted)}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;gap:var(--s2);
  padding:.8rem 1.6rem;
  font-family:var(--font-body);
  font-size:.95rem;font-weight:700;letter-spacing:.01em;
  border-radius:var(--radius);
  border:1px solid transparent;
  text-decoration:none;cursor:pointer;
  transition:transform var(--t-fast) ease, background-color var(--t-fast) ease,
             color var(--t-fast) ease, border-color var(--t-fast) ease, box-shadow var(--t) ease;
}
.btn-primary{background:var(--primary);color:var(--surface);box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--primary-deep);color:var(--surface);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--border-strong)}
.btn-outline:hover{color:var(--primary-deep);border-color:var(--primary);transform:translateY(-1px);background:var(--surface)}
.btn-light{background:var(--surface);color:var(--primary-deep);box-shadow:var(--shadow-sm)}
.btn-light:hover{background:var(--primary-tint);color:var(--primary-deep);transform:translateY(-1px)}
.btn-ghost-dark{background:transparent;color:var(--on-dark);border-color:var(--hairline-dark)}
.btn-ghost-dark:hover{color:var(--on-dark);border-color:var(--on-dark-muted);transform:translateY(-1px)}
.btn-submit{border:0}
.btn-row{display:flex;flex-wrap:wrap;gap:var(--s2);margin:0;max-width:none}
.btn-row-spaced{margin-top:var(--s5)}

/* ============ navbar ============ */
.navbar{
  position:sticky;top:0;z-index:100;
  background:var(--nav-bg);
  -webkit-backdrop-filter:saturate(180%) blur(10px);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--nav-border);
}
@supports not (backdrop-filter:blur(4px)){
  .navbar{background:var(--nav-bg-solid)}
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:var(--s3);min-height:70px;
}
.brand{display:flex;align-items:center;gap:var(--s2);text-decoration:none;color:var(--text)}
.brand-mark{
  display:grid;place-items:center;
  width:38px;height:38px;flex:none;
  background:var(--primary);color:var(--surface);
  border-radius:var(--radius-sm);
  font-family:var(--font-mono);font-size:.9rem;font-weight:700;letter-spacing:.02em;
  box-shadow:inset 0 -2px 0 var(--accent);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-family:var(--font-display);font-weight:700;font-size:1.02rem;letter-spacing:-.02em}
.brand-sub{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}

.nav-menu{display:flex;align-items:center;gap:var(--s1)}
.nav-link{
  position:relative;
  padding:var(--s2);
  font-size:.94rem;font-weight:600;
  color:var(--text);text-decoration:none;
  border-radius:var(--radius-sm);
  transition:color var(--t-fast) ease;
}
.nav-link:hover{color:var(--accent-ink)}
.nav-link::after{
  content:"";position:absolute;left:var(--s2);right:var(--s2);bottom:2px;
  height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--t) ease;
}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary-deep)}
.nav-link.active::after{transform:scaleX(1)}
.nav-cta{margin-left:var(--s2);padding:.6rem 1.1rem;font-size:.88rem}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  background:transparent;border:1px solid var(--border);
  border-radius:var(--radius);cursor:pointer;
  padding:0;place-items:center;gap:5px;
}
.nav-toggle-bar{display:block;width:20px;height:2px;background:var(--text)}

/* ============ hero ============ */
.hero{
  position:relative;overflow:hidden;
  color:var(--on-dark);
  background:
    radial-gradient(110% 90% at 78% 6%, var(--glow) 0%, transparent 56%),
    radial-gradient(80% 80% at 4% 108%, var(--glow-accent) 0%, transparent 60%),
    linear-gradient(158deg, var(--primary-deep) 0%, var(--primary) 58%, var(--primary-mid) 132%);
  padding-block:clamp(3.5rem,8vw,var(--s7)) clamp(4.5rem,9vw,7.5rem);
  min-height:60vh;
  display:flex;align-items:center;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(90deg,var(--grid-line-dark) 0 1px,transparent 1px 68px),
    repeating-linear-gradient(0deg,var(--grid-line-dark) 0 1px,transparent 1px 68px);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;
  height:clamp(38px,5.5vw,84px);
  background:var(--bg);
  clip-path:polygon(0 100%,100% 0,100% 100%);
}
.hero-inner{position:relative;z-index:1;width:100%}
.hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;
  gap:clamp(var(--s5),5vw,var(--s6));align-items:center;
}
.hero-copy{min-width:0}
.hero-visual{min-width:0}
.hero-title{color:var(--on-dark);margin-bottom:var(--s4);max-width:16ch}
.hero-lead{color:var(--on-dark-muted);max-width:52ch;margin-bottom:var(--s5)}
.hero-note{
  font-family:var(--font-mono);font-size:.76rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--on-dark-muted);
  margin:var(--s4) 0 0;display:flex;flex-wrap:wrap;gap:var(--s1) var(--s3);
  max-width:none;
}
.hero-note span{display:inline-flex;align-items:center;gap:var(--s1)}
.hero-note span::before{content:"";width:6px;height:6px;background:var(--accent);flex:none}

/* hero visual anchor — CSS/SVG ops panel */
.panel{
  background:var(--panel-dark);
  border:1px solid var(--hairline-dark);
  border-radius:var(--radius);
  box-shadow:var(--shadow-lg);
  overflow:hidden;
}
.panel-head{
  display:flex;align-items:center;gap:var(--s2);
  padding:var(--s2) var(--s3);
  border-bottom:1px solid var(--hairline-dark);
  background:var(--panel-dark-2);
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--on-dark-muted);
}
.panel-dot{width:8px;height:8px;background:var(--accent);flex:none;border-radius:50%}
.panel-art{display:block;width:100%;height:auto;background:var(--panel-dark)}
.panel-body{padding:var(--s3)}
.spec-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:var(--s3);
  padding:var(--s2) 0;border-bottom:1px solid var(--hairline-dark);
  font-family:var(--font-mono);font-size:.78rem;
}
.spec-row:last-child{border-bottom:0}
.spec-key{color:var(--on-dark-muted);letter-spacing:.08em;text-transform:uppercase}
.spec-val{color:var(--on-dark);text-align:right}
.frame-card .spec-row{border-bottom-color:var(--border)}
.frame-card .spec-key{color:var(--muted)}
.frame-card .spec-val{color:var(--primary-deep)}
.contact-card .spec-row{border-bottom-color:var(--border)}
.contact-card .spec-key{color:var(--muted)}
.contact-card .spec-val{color:var(--primary-deep)}

/* ============ inline SVG line art ============ */
.art-line{fill:none;stroke:var(--primary-mid);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.art-accent{fill:none;stroke:var(--accent);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.art-faint{fill:none;stroke:var(--border-strong);stroke-width:1}
.art-onDark{fill:none;stroke:var(--art-dark);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.art-onDark-faint{fill:none;stroke:var(--art-dark-faint);stroke-width:1}

/* ============ compact page hero (inner pages) ============ */
.page-hero{
  position:relative;overflow:hidden;color:var(--on-dark);
  background:
    radial-gradient(100% 140% at 82% 0%, var(--glow) 0%, transparent 58%),
    radial-gradient(70% 90% at 2% 110%, var(--glow-accent) 0%, transparent 62%),
    linear-gradient(150deg, var(--primary-deep) 0%, var(--primary) 100%);
  padding-block:clamp(2.75rem,6vw,var(--s6)) clamp(3.5rem,7vw,5.5rem);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(90deg,var(--grid-line-dark) 0 1px,transparent 1px 68px),
    repeating-linear-gradient(0deg,var(--grid-line-dark) 0 1px,transparent 1px 68px);
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;
  height:clamp(28px,4vw,60px);background:var(--bg);
  clip-path:polygon(0 100%,100% 0,100% 100%);
}
.page-hero-inner{position:relative;z-index:1;max-width:66ch}
.page-title{color:var(--on-dark);font-size:clamp(1.9rem,4vw,3rem);margin-bottom:var(--s3)}
.page-hero-lead{color:var(--on-dark-muted)}

/* ============ value props ============ */
.valueprops{
  display:grid;grid-template-columns:repeat(3,1fr);
  border:1px solid var(--border);background:var(--surface);
  border-radius:var(--radius);overflow:hidden;
}
.vp{padding:var(--s5) var(--s4);border-right:1px solid var(--border);min-width:0}
.vp:last-child{border-right:0}
.vp h3{margin-bottom:var(--s2)}
.vp p{color:var(--muted);margin:0;font-size:.96rem}
.vp-mark{display:block;width:28px;height:2px;background:var(--accent);margin-bottom:var(--s3)}

/* ============ services ============ */
.services-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));
  gap:var(--s4);
}
.service-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:var(--s4);
  display:flex;flex-direction:column;min-width:0;
  transition:transform var(--t) ease, box-shadow var(--t) ease, border-color var(--t) ease;
}
.service-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--border-strong)}
.icon-tile{
  display:grid;place-items:center;
  width:44px;height:44px;flex:none;
  background:var(--accent-tint);color:var(--accent-ink);
  border-radius:var(--radius-sm);
  margin-bottom:var(--s3);
}
.icon-tile-cool{background:var(--primary-tint);color:var(--primary)}
.icon{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.service-title{margin-bottom:var(--s2)}
.service-text{color:var(--muted);font-size:.96rem;margin:0}
.service-list{margin:var(--s3) 0 0;padding-left:1.1rem;color:var(--muted);font-size:.92rem}
.service-tag{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);margin:var(--s3) 0 0;
}

/* ============ split bands (two-column) ============ */
.split{
  display:grid;grid-template-columns:1fr 1fr;
  gap:clamp(var(--s5),5vw,var(--s6));align-items:center;
}
.split-narrow{grid-template-columns:1.1fr .9fr}
.split-top{align-items:start}
.split-copy{min-width:0}
.split-visual{min-width:0}
.split-copy p{color:var(--muted)}
.band-dark .split-copy p{color:var(--on-dark-muted)}

.checklist{list-style:none;padding:0;margin:var(--s4) 0 0}
.checklist li{
  position:relative;padding-left:1.75rem;margin-bottom:var(--s2);
  color:var(--muted);font-size:.98rem;
}
.checklist li::before{
  content:"";position:absolute;left:0;top:.55em;
  width:9px;height:9px;background:var(--accent);
}
.band-dark .checklist li{color:var(--on-dark-muted)}

.frame-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:var(--s5) var(--s4);
  box-shadow:var(--shadow-md);
}
.frame-card h3{margin-bottom:var(--s3)}
.frame-art{display:block;width:100%;height:auto;margin-bottom:var(--s3)}

/* ============ steps ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s4);margin-top:var(--s5)}
.step{border-top:2px solid var(--hairline-dark);padding-top:var(--s3);min-width:0}
.step-num{
  display:block;font-family:var(--font-mono);font-size:.78rem;
  letter-spacing:.14em;color:var(--accent-light);margin-bottom:var(--s2);
}
.step h3{font-size:1.05rem;margin-bottom:var(--s2)}
.step p{font-size:.94rem;margin:0}

/* ============ credentials strip ============ */
.credentials{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--border);border-radius:var(--radius);
  background:var(--surface);overflow:hidden;
}
.cred-item{padding:var(--s4);border-right:1px solid var(--border);min-width:0}
.cred-item:last-child{border-right:0}
.cred-key{
  display:block;font-family:var(--font-mono);font-size:.7rem;
  letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:var(--s1);
}
.cred-val{
  display:block;font-family:var(--font-mono);font-size:1rem;
  font-weight:700;color:var(--primary-deep);letter-spacing:.01em;
}

/* ============ CTA strip ============ */
.cta-strip{
  background:var(--surface-alt);
  border-top:1px solid var(--border);
  padding-block:clamp(2.5rem,5vw,var(--s6));
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:var(--s5);flex-wrap:wrap;
  border-left:3px solid var(--accent);padding-left:var(--s4);
}
.cta-copy{min-width:0}
.cta-copy h2{margin-bottom:var(--s2)}
.cta-copy p{color:var(--muted);margin:0}

/* ============ contact ============ */
.contact-grid{
  display:grid;grid-template-columns:1.15fr .85fr;
  gap:clamp(var(--s5),5vw,var(--s6));align-items:start;
}
.form{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:var(--s5) var(--s4);box-shadow:var(--shadow-md);
  min-width:0;
}
.form h2{font-size:clamp(1.3rem,2vw,1.7rem)}
.field{display:block;margin:0 0 var(--s4);max-width:none}
.field-label{
  display:block;font-size:.82rem;font-weight:700;letter-spacing:.02em;
  text-transform:uppercase;font-family:var(--font-mono);color:var(--muted);
  margin-bottom:var(--s1);
}
.field input,.field textarea,.field select{
  width:100%;font-family:var(--font-body);font-size:1rem;color:var(--text);
  background:var(--bg);border:1px solid var(--border-strong);
  border-radius:var(--radius);padding:.7rem var(--s2);
  transition:border-color var(--t-fast) ease, box-shadow var(--t-fast) ease;
}
.field input:focus,.field textarea:focus,.field select:focus{
  border-color:var(--primary-mid);box-shadow:0 0 0 3px var(--focus-ring);outline:none;
}
.field textarea{min-height:150px;resize:vertical}
.form-note{font-size:.85rem;color:var(--muted);margin:var(--s3) 0 0}

.contact-cards{display:grid;gap:var(--s4);min-width:0}
.contact-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:var(--s4);
}
.contact-card h3{margin-bottom:var(--s2)}
.contact-card p{margin:0;color:var(--muted);font-size:.96rem}
.contact-link{font-family:var(--font-mono);font-size:.92rem;font-weight:700;word-break:break-word}
.contact-meta{
  font-family:var(--font-mono);font-size:.8rem;letter-spacing:.06em;
  color:var(--muted);margin:var(--s2) 0 0;
}

/* ============ legal pages ============ */
.legal-layout{
  display:grid;grid-template-columns:250px 1fr;
  gap:clamp(var(--s5),5vw,var(--s6));align-items:start;
}
.toc{position:sticky;top:96px;min-width:0}
.toc-title{
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted);margin-bottom:var(--s2);
}
.toc-list{list-style:none;margin:0;padding:0;border-left:1px solid var(--border)}
.toc-list li{margin:0}
.toc-list a{
  display:block;padding:.4rem var(--s2);font-size:.9rem;
  color:var(--muted);text-decoration:none;border-left:2px solid transparent;
  margin-left:-1px;transition:color var(--t-fast) ease,border-color var(--t-fast) ease;
}
.toc-list a:hover{color:var(--accent-ink);border-left-color:var(--accent)}
.legal-body{max-width:72ch;min-width:0}
.legal-body h2{
  font-size:clamp(1.25rem,2vw,1.6rem);
  margin-top:var(--s5);padding-top:var(--s4);border-top:1px solid var(--border);
}
.legal-body h2:first-of-type{margin-top:0;padding-top:0;border-top:0}
.legal-body h3{margin-top:var(--s4)}
.legal-body p,.legal-body li{color:var(--muted)}
.legal-body ul{padding-left:1.2rem}
.updated{
  font-family:var(--font-mono);font-size:.78rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--muted);margin-bottom:var(--s4);
}
.callout{
  background:var(--surface);border:1px solid var(--border);
  border-left:3px solid var(--accent);border-radius:var(--radius);
  padding:var(--s4);margin:var(--s4) 0;
}
.callout p{margin:0;color:var(--muted);font-size:.95rem}

/* ============ footer ============ */
.footer{
  background:var(--primary-deep);color:var(--on-dark);
  border-top:1px solid var(--hairline-dark);
  padding-top:clamp(2.5rem,5vw,var(--s6));
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:var(--s5);padding-bottom:clamp(2rem,4vw,var(--s5));
}
.footer-col{min-width:0}
.footer-brand{display:flex;align-items:center;gap:var(--s2);margin-bottom:var(--s3)}
.footer-brand .brand-name{color:var(--on-dark)}
.footer-blurb{color:var(--on-dark-muted);font-size:.94rem;max-width:38ch}
.footer-meta{
  font-family:var(--font-mono);font-size:.78rem;line-height:1.9;
  color:var(--on-dark-muted);margin:0;letter-spacing:.03em;
}
.footer-title{
  font-family:var(--font-mono);font-size:.74rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--accent-light);
  margin:0 0 var(--s3);font-weight:700;
}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:var(--s2)}
.footer-links a{
  color:var(--on-dark-muted);text-decoration:none;font-size:.94rem;
  word-break:break-word;
  transition:color var(--t-fast) ease;
}
.footer-links a:hover{color:var(--on-dark);text-decoration:underline}
.footer-bottom{border-top:1px solid var(--hairline-dark);padding-block:var(--s3)}
.footer-bottom-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:var(--s3);flex-wrap:wrap;
}
.footer-bottom p{
  margin:0;font-size:.85rem;color:var(--on-dark-muted);
  font-family:var(--font-mono);letter-spacing:.03em;
}
.footer-legal{list-style:none;display:flex;gap:var(--s4);margin:0;padding:0;flex-wrap:wrap}
.footer-legal li{margin:0}
.footer-legal a{color:var(--on-dark-muted);font-size:.85rem;text-decoration:none}
.footer-legal a:hover{color:var(--on-dark);text-decoration:underline}

/* ============ responsive ============ */
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .credentials{grid-template-columns:repeat(2,1fr)}
  .cred-item:nth-child(2){border-right:0}
  .legal-layout{grid-template-columns:1fr}
  .toc{position:static}
  .toc-list{display:flex;flex-wrap:wrap;border-left:0;border-top:1px solid var(--border);padding-top:var(--s2)}
}
@media (max-width:768px){
  .nav-toggle{display:grid}
  .nav-menu{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--nav-bg-solid);
    border-bottom:1px solid var(--border);
    box-shadow:var(--shadow-md);
    padding:var(--s2) var(--gutter) var(--s4);
  }
  .nav-menu.open{display:flex}
  .nav-inner{position:relative;flex-wrap:wrap}
  .nav-link{padding:var(--s2) 0;border-bottom:1px solid var(--border)}
  .nav-link::after{left:0;right:0;bottom:0}
  .nav-cta{margin:var(--s3) 0 0;justify-content:center}
  .hero{min-height:auto;padding-block:var(--s6) clamp(3.5rem,10vw,4.5rem)}
  .hero-grid{grid-template-columns:1fr;gap:var(--s5)}
  .hero-visual{display:none}
  .hero-title{max-width:none}
  .section{padding-block:clamp(3rem,9vw,var(--s6))}
  .valueprops{grid-template-columns:1fr}
  .vp{border-right:0;border-bottom:1px solid var(--border);padding:var(--s4)}
  .vp:last-child{border-bottom:0}
  .split,.split-narrow,.contact-grid{grid-template-columns:1fr;gap:var(--s5)}
  .steps{grid-template-columns:1fr}
  .credentials{grid-template-columns:1fr}
  .cred-item{border-right:0;border-bottom:1px solid var(--border)}
  .cred-item:last-child{border-bottom:0}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:var(--s4)}
  .footer-grid{grid-template-columns:1fr;gap:var(--s4)}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:400px){
  .brand-sub{display:none}
  .btn{padding:.75rem 1.2rem}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
  .btn:hover,.service-card:hover{transform:none}
}