/* ZP / DASEON — Die Casting Release Agent website template
   Shared stylesheet (light, industrial B2B) */

:root{
  --navy:#1f3a5f; --navy-dark:#16293f; --blue:#2e5e8c; --blue-light:#e8f0f8;
  --green:#3b6d11; --green-mid:#5a9e3d; --green-bg:#eef5e5;
  --amber-bg:#faeeda; --amber-border:#e3c98f; --amber-ink:#7a5205;
  --gray-bg:#f6f6f3; --border:#dcdcd6; --ink:#20221f; --muted:#6a6c68;
  --radius:10px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Segoe UI',-apple-system,'Helvetica Neue','Microsoft YaHei',Arial,sans-serif;
  color:var(--ink);line-height:1.6;background:#fff;font-size:15px}
img{max-width:100%}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1120px;margin:0 auto;padding:0 22px}

/* ---------- top bar ---------- */
.topbar{background:var(--navy-dark);color:#c8d4e2;font-size:12.5px;padding:7px 0}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}
.topbar a{color:#c8d4e2}
.lang a{font-weight:600}
.lang .on{color:#fff;text-decoration:underline}

/* ---------- header ---------- */
header.site{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:14px;padding-bottom:14px}
.brand{display:flex;align-items:baseline;gap:12px}
.brand .logo{font-size:20px;font-weight:700;color:var(--navy);letter-spacing:.5px}
.brand .sub{font-size:12.5px;color:var(--muted)}
nav.main{display:flex;gap:22px;flex-wrap:wrap;align-items:center}
nav.main a{font-size:14px;color:var(--ink);font-weight:500;padding:4px 0;border-bottom:2px solid transparent}
nav.main a:hover{border-bottom-color:var(--blue);text-decoration:none}
nav.main a.active{color:var(--navy);border-bottom-color:var(--navy)}
.btn{display:inline-block;background:var(--green-mid);color:#fff !important;padding:10px 20px;border-radius:7px;
  font-size:14px;font-weight:600;border:none;cursor:pointer}
.btn:hover{background:#4c8833;text-decoration:none}
.btn.ghost{background:#fff;color:var(--navy) !important;border:1.5px solid var(--navy)}
.btn.ghost:hover{background:var(--blue-light)}
.btn.small{padding:7px 14px;font-size:13px}

/* ---------- hero ---------- */
.hero{background:linear-gradient(160deg,#f7f9fc 0%,#eef3f9 100%);border-bottom:1px solid var(--border);padding:56px 0 48px}
.hero h1{font-size:34px;line-height:1.25;color:var(--navy);font-weight:700;max-width:820px}
.hero .lead{font-size:17px;color:#3c4653;margin-top:14px;max-width:720px}
.hero .cta{margin-top:26px;display:flex;gap:14px;flex-wrap:wrap}
.trust{display:flex;gap:26px;flex-wrap:wrap;margin-top:30px;padding-top:20px;border-top:1px solid var(--border);
  font-size:13.5px;color:var(--muted)}
.trust span{display:flex;align-items:center;gap:7px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--green-mid);display:inline-block}

/* ---------- sections ---------- */
section{padding:52px 0}
section.alt{background:var(--gray-bg)}
h2.sec{font-size:24px;color:var(--navy);font-weight:700;margin-bottom:8px}
p.secsub{color:var(--muted);font-size:15px;max-width:760px;margin-bottom:28px}
h3{font-size:17px;color:var(--navy);font-weight:600;margin-bottom:8px}

.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.g2,.g3,.g4{grid-template-columns:1fr}}

.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px}
.card.hi{background:var(--green-bg);border-color:#c2ddaa}
.card.warn{background:var(--amber-bg);border-color:var(--amber-border)}
.card p{font-size:14px;color:#454844}
.card .tag{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.4px;text-transform:uppercase;
  color:var(--blue);background:var(--blue-light);border-radius:5px;padding:3px 9px;margin-bottom:10px}
.card .tag.green{color:var(--green);background:var(--green-bg)}
.card .tag.amber{color:var(--amber-ink);background:var(--amber-bg)}
.card ul{margin:10px 0 0 18px;font-size:13.5px;color:#4a4d49}
.card li{margin-bottom:4px}

/* finder */
.finder{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;background:#fff;border:2px solid var(--navy);
  border-radius:14px;padding:26px;margin-top:-38px;position:relative;z-index:5;box-shadow:0 6px 18px rgba(31,58,95,.06)}
@media(max-width:820px){.finder{grid-template-columns:1fr}}
.finder h3{font-size:15px;margin-bottom:10px}
.finder label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.finder select{width:100%;padding:9px 10px;border:1px solid var(--border);border-radius:7px;font-size:14px;background:#fff}
.finder .result{margin-top:18px;padding:14px 16px;background:var(--green-bg);border:1px solid #c2ddaa;
  border-radius:8px;font-size:14px;color:#25400c;grid-column:1/-1}

/* tables */
table.spec{width:100%;border-collapse:collapse;font-size:14px;background:#fff;border-radius:8px;overflow:hidden}
table.spec th{background:var(--navy);color:#fff;text-align:left;padding:11px 13px;font-weight:600;font-size:13.5px}
table.spec td{padding:10px 13px;border-bottom:1px solid var(--border);vertical-align:top}
table.spec tr:last-child td{border-bottom:none}
table.spec tr:nth-child(even) td{background:#fbfbf9}

/* video / media placeholders */
.media{background:var(--navy);color:#fff;border-radius:var(--radius);padding:34px 22px;text-align:center;min-height:170px;
  display:flex;flex-direction:column;justify-content:center;gap:8px}
.media .play{width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.16);margin:0 auto;
  display:flex;align-items:center;justify-content:center;font-size:16px}
.media .cap{font-size:13.5px;opacity:.9}

/* callouts */
.callout{border-left:4px solid var(--blue);background:var(--blue-light);padding:16px 18px;border-radius:0 8px 8px 0;
  font-size:14px;color:#26364a;margin:20px 0}
.callout.warn{border-left-color:var(--amber-border);background:var(--amber-bg);color:var(--amber-ink)}
.callout.green{border-left-color:var(--green-mid);background:var(--green-bg);color:#28430f}

/* evidence badges */
.badge{display:inline-block;font-size:11.5px;font-weight:700;padding:3px 9px;border-radius:5px;margin-bottom:8px}
.badge.v{background:#e7f3e2;color:#2f5b12}
.badge.i{background:var(--amber-bg);color:var(--amber-ink)}
.badge.p{background:#eef0f2;color:#4a5560}

/* steps */
ol.steps{counter-reset:s;list-style:none;margin-top:8px}
ol.steps li{position:relative;padding-left:52px;margin-bottom:18px}
ol.steps li:before{counter-increment:s;content:counter(s);position:absolute;left:0;top:0;width:34px;height:34px;
  border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px}
ol.steps li strong{display:block;color:var(--navy);font-size:15.5px;margin-bottom:3px}
ol.steps li span{font-size:14px;color:#4a4d49}

/* forms */
form.triage{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:700px){form.triage{grid-template-columns:1fr}}
form.triage label{display:block;font-size:13px;font-weight:600;color:var(--navy);margin-bottom:5px}
form.triage .full{grid-column:1/-1}
form.triage input,form.triage select,form.triage textarea{width:100%;padding:10px 12px;border:1px solid var(--border);
  border-radius:7px;font-size:14px;font-family:inherit}
form.triage textarea{min-height:76px;resize:vertical}
form.triage .hintline{font-size:12.5px;color:var(--muted);grid-column:1/-1}

/* footer */
footer.site{background:var(--navy-dark);color:#b9c6d6;padding:44px 0 26px;font-size:13.5px;margin-top:20px}
footer.site .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:26px}
@media(max-width:820px){footer.site .cols{grid-template-columns:1fr 1fr}}
footer.site h4{color:#fff;font-size:14px;margin-bottom:10px}
footer.site a{color:#b9c6d6}
footer.site .legal{margin-top:26px;padding-top:16px;border-top:1px solid #2c405c;font-size:12px;color:#8b9cb0;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}

/* amber note strip (used by the CN build only) */
.review-note{background:var(--amber-bg);border:1px dashed var(--amber-border);color:var(--amber-ink);
  font-size:13px;padding:10px 14px;border-radius:8px;margin:14px 0}