/* BEVY Precision Metrology — site stylesheet */
:root{
  --ink:#0d1b2a;
  --ink-2:#25384d;
  --muted:#5d6f82;
  --line:#dde4ec;
  --bg:#ffffff;
  --alt:#f4f7fa;
  --accent:#c2410c;
  --accent-soft:#fff3ec;
  --max:1180px;
  --r:2px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.15;letter-spacing:-.02em;font-weight:650}
h1{font-size:clamp(2.1rem,4.4vw,3.5rem)}
h2{font-size:clamp(1.5rem,2.6vw,2.15rem)}
h3{font-size:1.12rem}
p{margin:0 0 1em}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums}
.eyebrow{
  font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--accent);font-weight:700;margin:0 0 14px
}
.lead{font-size:1.08rem;color:var(--ink-2);max-width:62ch}
.muted{color:var(--muted)}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

/* ---------- header ---------- */
.hdr{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hdr-in{display:flex;align-items:center;justify-content:space-between;height:66px;gap:20px}
.logo{display:flex;align-items:baseline;gap:9px;font-weight:800;letter-spacing:.02em;font-size:1.05rem}
.logo b{font-weight:800}
.logo span{font-size:.62rem;letter-spacing:.2em;color:var(--muted);font-weight:600;text-transform:uppercase}
.nav{display:flex;gap:26px;align-items:center}
.nav a{font-size:.9rem;color:var(--ink-2);font-weight:500;padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a.on{color:var(--accent);border-color:var(--accent)}
.nav .btn{color:#fff}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:var(--r);
  width:40px;height:36px;align-items:center;justify-content:center;cursor:pointer}
.burger span{display:block;width:16px;height:1.5px;background:var(--ink);position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--ink)}
.burger span::before{top:-5px}.burger span::after{top:5px}

/* ---------- buttons ---------- */
.btn{display:inline-block;background:var(--accent);color:#fff;padding:13px 24px;border-radius:var(--r);
  font-weight:650;font-size:.93rem;border:1px solid var(--accent);transition:.18s;white-space:nowrap}
.btn:hover{background:#9c3309;border-color:#9c3309}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--ink);background:#fff}
.btn.light{background:#fff;color:var(--ink);border-color:#fff}
.btn.light:hover{background:#eceae7}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}

/* ---------- hero ---------- */
.hero{border-bottom:1px solid var(--line);background:var(--alt)}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:64px 0 68px}
.hero h1{margin-bottom:18px}
.hero .lead{font-size:1.12rem}
.hero-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);background:#fff}
.hero-facts div{padding:22px 24px;border-right:1px solid var(--line)}
.hero-facts div:last-child{border-right:0}
.hero-facts b{display:block;font-size:1.5rem;font-weight:750;letter-spacing:-.02em}
.hero-facts small{color:var(--muted);font-size:.76rem;letter-spacing:.04em;text-transform:uppercase}

/* ---------- image placeholder ---------- */
.ph{position:relative;overflow:hidden;border-radius:var(--r);background:
  linear-gradient(135deg,#1b2c3f 0%,#2c435b 48%,#1b2c3f 100%);min-height:220px}
.ph::after{content:attr(data-label);position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.5);font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;text-align:center;padding:16px}
.ph img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .4s}
.ph img.loaded{opacity:1}
.ph.tall{aspect-ratio:4/3}
.ph.wide{aspect-ratio:16/9}

/* ---------- sections ---------- */
section{padding:76px 0}
section.tight{padding:56px 0}
.alt{background:var(--alt)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 24px}
.card h3{margin-bottom:8px}
.card p{margin:0;color:var(--muted);font-size:.94rem}
.card .num{font-size:.72rem;letter-spacing:.16em;color:var(--accent);font-weight:700;display:block;margin-bottom:12px}
.sec-head{max-width:70ch;margin-bottom:40px}

/* product cards */
.pcards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pcard{border:1px solid var(--line);background:#fff;border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column}
.pcard .ph{min-height:180px;border-radius:0}
.pcard-b{padding:20px 20px 22px;flex:1;display:flex;flex-direction:column}
.pcard-b h3{font-size:1rem;margin-bottom:6px}
.pcard-b p{font-size:.86rem;color:var(--muted);margin-bottom:14px}

/* clickable specification cards */
a.pcard{text-decoration:none;color:inherit;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}
a.pcard:hover{border-color:var(--accent);box-shadow:0 8px 22px rgba(15,23,42,.08);transform:translateY(-2px)}
a.pcard h3{color:var(--ink)}
a.pcard .mono{font-size:.74rem;color:var(--accent);font-family:ui-monospace,Menlo,monospace;letter-spacing:.02em}
.spec{display:flex;justify-content:space-between;gap:10px;font-size:.8rem;padding:7px 0;border-top:1px dashed var(--line);color:var(--ink-2)}
.spec span:last-child{color:var(--muted);font-family:ui-monospace,Menlo,monospace}

/* table */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:#fff}
table{width:100%;border-collapse:collapse;font-size:.86rem;min-width:760px}
th{background:var(--alt);text-align:left;padding:12px 14px;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:700;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:13px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:0}
tbody tr:hover{background:#fbfcfd}
td.mono{font-family:ui-monospace,Menlo,monospace;font-size:.8rem;color:var(--ink-2);white-space:nowrap}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:s}
.step{border-top:2px solid var(--accent);padding-top:18px}
.step b{display:block;font-size:.72rem;letter-spacing:.16em;color:var(--accent);margin-bottom:10px}
.step h3{font-size:1rem;margin-bottom:6px}
.step p{font-size:.88rem;color:var(--muted);margin:0}

/* checklist */
.checks{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.checks li{padding-left:26px;position:relative;font-size:.94rem;color:var(--ink-2)}
.checks li::before{content:"";position:absolute;left:0;top:.55em;width:12px;height:7px;
  border-left:1.6px solid var(--accent);border-bottom:1.6px solid var(--accent);transform:rotate(-45deg)}

/* form */
.form{display:grid;gap:14px;max-width:620px}
.form .row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:700;display:block;margin-bottom:6px}
input,select,textarea{width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:var(--r);
  font-family:inherit;font-size:.94rem;color:var(--ink);background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(194,65,12,.25);border-color:var(--accent)}
textarea{min-height:120px;resize:vertical}
.form note{font-size:.8rem;color:var(--muted)}
.form-status{font-size:.88rem;color:var(--accent)}

/* cta band */
.band{background:var(--ink);color:#fff;padding:58px 0}
.band h2{color:#fff}
.band p{color:rgba(255,255,255,.72);max-width:60ch}

/* footer */
.ftr{background:#0a1420;color:rgba(255,255,255,.62);padding:56px 0 28px;font-size:.86rem}
.ftr a{color:rgba(255,255,255,.82)}
.ftr a:hover{color:#fff}
.ftr-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12)}
.ftr h4{color:#fff;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;font-weight:700;margin-bottom:16px}
.ftr ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.ftr .logo{color:#fff}
.ftr .logo span{color:rgba(255,255,255,.5)}
.disc{padding-top:22px;font-size:.74rem;line-height:1.7;color:rgba(255,255,255,.42)}

/* provenance bar */
.prov{background:#fff;border-top:1px solid var(--line);padding:14px 0;font-size:.76rem;color:var(--muted);letter-spacing:.02em}
.prov b{color:var(--ink-2);font-weight:650}

@media (max-width:1200px){
  .nav{gap:14px}
  .nav a{font-size:.83rem;white-space:nowrap}
}

.form-status a{color:var(--accent);font-weight:650;text-decoration:underline}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .hero-in{grid-template-columns:1fr;gap:34px;padding:44px 0}
  .hero-facts{grid-template-columns:1fr 1fr}
  .hero-facts div:nth-child(2){border-right:0}
  .hero-facts div:nth-child(1),.hero-facts div:nth-child(2){border-bottom:1px solid var(--line)}
  .grid-3,.pcards,.steps{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr;gap:32px}
  .ftr-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .nav{display:none}
  .nav.open{display:flex;position:absolute;top:66px;left:0;right:0;background:#fff;
    flex-direction:column;align-items:flex-start;gap:0;padding:8px 24px 18px;border-bottom:1px solid var(--line)}
  .nav.open a{padding:12px 0;width:100%;border-bottom:1px solid var(--line)}
  .nav.open .btn{margin-top:12px;text-align:center;border-bottom:0}
  .burger{display:flex}
  .grid-3,.pcards,.steps{grid-template-columns:1fr}
  .hero-facts{grid-template-columns:1fr}
  .hero-facts div{border-right:0;border-bottom:1px solid var(--line)}
  section{padding:54px 0}
  .form .row2{grid-template-columns:1fr}
  .ftr-grid{grid-template-columns:1fr}
}

/* category chips + cross-reference filters */
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.chips a,.chip{display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border:1px solid var(--line);border-radius:999px;font-size:.84rem;color:var(--ink-2);background:#fff;cursor:pointer;font-family:inherit;transition:border-color .15s,background .15s,color .15s}
.chips a:hover,.chip:hover{border-color:var(--accent);color:var(--accent)}
.chip.on{background:var(--accent);border-color:var(--accent);color:#fff}
.chip.on .muted{color:rgba(255,255,255,.8)}
.chips .muted{font-size:.76rem}
.xref-tools{margin-top:24px}
.xref-tools input{width:100%;max-width:460px;padding:12px 16px;border:1px solid var(--line);border-radius:var(--r);font-size:.95rem;font-family:inherit;color:var(--ink);background:#fff}
.xref-tools input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
td.dash{color:#b6c2cf}
#xref tbody tr{scroll-margin-top:90px}
@media print{.chips,.xref-tools{display:none}}

/* Netlify form honeypot - hidden from humans */
.hp-field{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}