:root{
  --ink:#0c1820;
  --muted:#52636d;
  --line:#dce4e8;
  --paper:#f5f7f8;
  --white:#fff;
  --dark:#091116;
  --green:#6fae3b;
  --green-dark:#447920;
  --silver:#d6dde1;
  --shadow:0 18px 45px rgba(5,20,28,.13);
  --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:#fff;line-height:1.62}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{width:min(1180px,calc(100% - 40px));margin:auto}
.top{background:#071015;color:#dce5e9;font-size:.82rem}
.top .wrap{display:flex;justify-content:space-between;gap:24px;padding:9px 0}
.top a{text-decoration:none;color:#fff}
.nav{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;min-height:76px}
.brand img{width:64px;height:64px;object-fit:contain}
.links{display:flex;gap:25px;align-items:center}
.links a{text-decoration:none;font-weight:800;font-size:.91rem}
.links a:last-child{padding:10px 14px;background:var(--ink);color:#fff;border-radius:9px}
.hero{min-height:660px;background:
  radial-gradient(circle at 76% 44%,rgba(111,174,59,.20),transparent 29%),
  linear-gradient(120deg,#080f13 0%,#121d23 52%,#071015 100%);
  color:#fff;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center;min-height:660px}
.hero-copy{padding:74px 0}
.maker-logo{width:min(390px,82%);filter:brightness(0) invert(1);margin-bottom:28px}
.eyebrow{text-transform:uppercase;letter-spacing:.18em;font-weight:900;font-size:.75rem;color:#cbd8de}
.eyebrow.accent{color:var(--green-dark)}
.eyebrow.light{color:#b9dc9b}
h1,h2,h3,h4,p{margin-top:0}
h1{font-size:clamp(2.7rem,5.6vw,5.5rem);line-height:.98;letter-spacing:-.045em;margin:15px 0 25px}
.hero p{font-size:1.13rem;color:#d6e0e4;max-width:690px}
.actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-weight:900;border-radius:9px;padding:13px 18px}
.btn.primary{background:var(--green);color:#071015}
.btn.outline{border:1px solid rgba(255,255,255,.48);color:#fff}
.hero-art{position:relative;height:620px}
.hero-art img{position:absolute;object-fit:contain;filter:drop-shadow(0 28px 30px rgba(0,0,0,.4))}
.hero-art .resolution{width:74%;right:17%;top:24px;transform:rotate(-6deg)}
.hero-art .slh{width:69%;right:-4%;bottom:-42px;transform:rotate(8deg)}
section{padding:86px 0}
.section-head{max-width:850px;margin-bottom:34px}
.section-head h2,.custom-built h2,.download h2,.cta h2{font-size:clamp(2rem,4vw,3.45rem);line-height:1.05;letter-spacing:-.035em;margin:10px 0 17px}
.section-head p{font-size:1.08rem;color:var(--muted)}
.intro{background:var(--paper)}
.quote-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:24px}
.quote,.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.quote{position:relative;background:linear-gradient(145deg,#fff,#f6faf3)}
.quote-mark{font-size:5rem;line-height:.7;color:var(--green);position:absolute;right:25px;top:24px}
.quote h3,.panel h3{font-size:1.35rem;margin-bottom:12px}
.quote p,.panel p{color:var(--muted);margin:0}
.custom-built{background:#0a151b;color:#fff}
.custom-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.custom-grid p{color:#cdd9de;font-size:1.08rem}
.checks{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.checks li{padding:14px 16px 14px 47px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);border-radius:12px;position:relative}
.checks li:before{content:"✓";position:absolute;left:17px;color:#9ed36f;font-weight:900}
.family{background:#fff}
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.card{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow);display:grid;grid-template-columns:42% 58%;min-height:355px}
.card.wide{grid-column:1/-1;grid-template-columns:54% 46%}
.card-media{background:linear-gradient(145deg,#eff3f4,#fff);min-height:340px;display:flex;align-items:center;justify-content:center;padding:18px}
.card-media img{width:100%;height:100%;max-height:320px;object-fit:contain}
.card-media.contain img{max-height:285px}
.card-body{padding:30px}
.badge{display:inline-block;background:#edf5e7;color:var(--green-dark);font-weight:900;font-size:.73rem;text-transform:uppercase;letter-spacing:.08em;padding:7px 10px;border-radius:999px}
.card h3{font-size:2rem;line-height:1;margin:16px 0 8px}
.card h4{font-size:1.05rem;color:var(--green-dark);margin-bottom:13px}
.card p{color:var(--muted)}
.text-link{text-decoration:none;font-weight:900;color:var(--green-dark)}
.putter-pair{background:linear-gradient(145deg,#e9eef0,#fff);display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:6px;padding:15px}
.putter-pair img{width:100%;height:330px;object-fit:contain}
.comparison{background:var(--paper)}
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.three article{border-top:5px solid var(--green);background:#fff;border-radius:15px;padding:24px;box-shadow:var(--shadow)}
.three strong{display:block;font-size:1.2rem;margin-bottom:8px}
.three span{color:var(--muted)}
.download{background:#fff}
.download-grid{display:grid;grid-template-columns:1fr .78fr;gap:45px;align-items:center}
.download-card{display:flex;gap:18px;align-items:center;text-decoration:none;padding:25px;background:#0c1820;color:#fff;border-radius:18px;box-shadow:var(--shadow)}
.download-card .pdf{display:grid;place-items:center;width:64px;height:64px;border-radius:12px;background:var(--green);color:#071015;font-weight:900}
.download-card strong,.download-card small{display:block}
.download-card small{color:#bdcbd1;margin-top:3px}
.cta{text-align:center;background:linear-gradient(125deg,#dcecd0,#f7faf5)}
.cta .wrap{max-width:820px}
.cta p{font-size:1.1rem;color:var(--muted)}
.footer{background:#071015;color:#cbd6db;padding:25px 0}
.footer .wrap{display:flex;justify-content:space-between;gap:25px}
.footer a{color:#fff;text-decoration:none}

@media(max-width:900px){
  .links{display:none}
  .hero-grid,.quote-grid,.custom-grid,.download-grid{grid-template-columns:1fr}
  .hero,.hero-grid{min-height:auto}
  .hero-art{height:470px}
  .card,.card.wide{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr}
  .card.wide{grid-column:auto}
  .three{grid-template-columns:1fr}
}
@media(max-width:580px){
  .wrap{width:min(100% - 26px,1180px)}
  .top .wrap,.footer .wrap{display:block}
  .top span{display:block}
  .hero-copy{padding:55px 0 20px}
  .hero-art{height:360px}
  .maker-logo{width:92%}
  section{padding:64px 0}
  .card-body{padding:24px}
  .putter-pair img{height:220px}
}


/* Sprint 4D Revision 1 */
.maker-logo{
  filter:none;
  background:#000;
  padding:8px 12px;
  border-radius:10px;
  width:min(430px,90%);
}
.hero{
  background:
    linear-gradient(rgba(6,12,16,.18),rgba(6,12,16,.18)),
    radial-gradient(circle at 72% 42%,rgba(255,255,255,.12),transparent 34%),
    linear-gradient(120deg,#05090c 0%,#151b20 55%,#05090c 100%);
}
.hero-family{position:relative;height:620px}
.hero-family img{position:absolute;object-fit:contain;filter:drop-shadow(0 28px 28px rgba(0,0,0,.48))}
.hero-family .vertex{width:58%;left:22%;top:28px;z-index:3}
.hero-family .resolution{width:48%;left:-3%;bottom:2px;transform:rotate(-7deg);z-index:2}
.hero-family .slh{width:49%;right:-2%;bottom:-4px;transform:rotate(7deg);z-index:2}
.vertex-feature{
  background:linear-gradient(125deg,#0a1318,#172229);
  color:#fff;
}
.vertex-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.vertex-copy p{color:#d3dde1;font-size:1.06rem}
.vertex-copy blockquote{
  margin:24px 0;
  padding:20px 22px;
  border-left:5px solid var(--green);
  background:rgba(255,255,255,.07);
  color:#f2f6f8;
  font-style:italic;
}
.vertex-visual{
  background:#fff;
  border-radius:20px;
  padding:18px;
  box-shadow:var(--shadow);
}
.vertex-visual img{width:100%;border-radius:12px}
.featured-card{
  grid-column:1/-1;
  grid-template-columns:46% 54%;
  border:2px solid #8dbb63;
}
.featured-card .card-body{padding:38px}
.featured-card h3{font-size:2.35rem}
@media(max-width:900px){
  .vertex-grid{grid-template-columns:1fr}
  .featured-card{grid-column:auto;grid-template-columns:1fr}
  .hero-family{height:470px}
}

/* Final Pinhawk hero: exact user-supplied composite */
.hero-art.hero-family .hero-final-composite{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:contain;
  object-position:center;
  filter:drop-shadow(0 24px 32px rgba(0,0,0,.45));
}