/* ============================================================
   Shenjia Glassware — shenjiaglass.com
   Visual system: WTT navy + single teal accent, Inter / IBM Plex Mono
   ============================================================ */
:root{
  --navy:#071426; --midnight:#0B1F3A; --card:#101827;
  --teal:#14B8A6; --tealglow:#5EEAD4; --blue:#2563EB;
  --white:#F8FAFC; --bg:#FBFCFE; --cool:#EEF2F7; --panel:#F2F5F9;
  --charcoal:#111827; --ink:#1E293B; --caption:#6B7280; --slate:#94A3B8; --hair:#E6EBF1;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,'SFMono-Regular',Menlo,Consolas,monospace;
  --wrap:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--charcoal);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
.mono{font-family:var(--mono);text-transform:uppercase;letter-spacing:.16em;font-size:11px}
.kicker{font-family:var(--mono);text-transform:uppercase;letter-spacing:.16em;font-size:12px;color:var(--teal);font-weight:500;display:block;margin-bottom:14px}
.teal{color:var(--teal)}

/* ---------- nav ---------- */
header.nav{position:sticky;top:0;z-index:50;background:rgba(251,252,254,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--hair)}
.nav .row{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{font-weight:700;letter-spacing:.02em;font-size:16px;color:var(--charcoal)}
.brand .g{font-weight:400;color:var(--caption);letter-spacing:.18em;font-size:13px;margin-left:2px}
.brand .dot{color:var(--teal)}
.menu{display:flex;gap:30px;align-items:center}
.menu a{font-size:14px;color:var(--ink);font-weight:500}
.menu a:hover{color:var(--teal)}
.menu a.active{color:var(--teal)}
.nav .cta-sm{font-size:13px;font-weight:600;background:var(--teal);color:#04201d;padding:9px 16px;border-radius:8px}
.nav .cta-sm:hover{background:#10a596;color:#04201d}
.burger{display:none}

/* ---------- buttons ---------- */
.btn{display:inline-block;font-weight:600;font-size:15px;padding:14px 26px;border-radius:9px;transition:.15s;cursor:pointer;border:1px solid transparent}
.btn-primary{background:var(--teal);color:#04201d}
.btn-primary:hover{background:#10a596}
.btn-ghost{background:transparent;color:var(--charcoal);border-color:#cbd5e1}
.btn-ghost:hover{border-color:var(--charcoal)}
.btn-onnavy{background:var(--teal);color:#04201d}
.btn-onnavy:hover{background:var(--tealglow)}
.btn-lg{padding:16px 30px;font-size:16px}

/* ---------- section rhythm ---------- */
section{padding:78px 0}
.sec-tight{padding:54px 0}
h1{font-size:clamp(34px,5vw,52px);font-weight:700;letter-spacing:-.02em;line-height:1.06}
h2{font-size:clamp(26px,3.4vw,36px);font-weight:600;letter-spacing:-.015em;line-height:1.12}
h3{font-size:20px;font-weight:600;letter-spacing:-.01em}
.lead{font-size:19px;color:var(--ink);max-width:720px;line-height:1.6}
p.body{font-size:16.5px;color:var(--ink);max-width:680px}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

/* ---------- product figure (white-bg packshots on light) ---------- */
.figure{background:radial-gradient(120% 120% at 50% 35%, #ffffff 0%, #eef2f7 78%);border-radius:16px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.figure img{mix-blend-mode:multiply;filter:saturate(1.02) contrast(1.02)}
.figure.pad{padding:34px}

/* ---------- hero ---------- */
.hero{background:linear-gradient(180deg,#fff 0%, var(--bg) 100%);border-bottom:1px solid var(--hair)}
.hero .grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;min-height:76vh;padding:56px 0}
.hero h1{margin:6px 0 18px}
.hero .lead{margin-bottom:30px}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero .figure{aspect-ratio:1/1.02;max-height:560px}
.hero .figure img{max-height:500px;width:auto}

/* trust strip */
.trust{border-top:1px solid var(--hair);border-bottom:1px solid var(--hair);background:#fff}
.trust .row{display:flex;align-items:center;gap:28px;flex-wrap:wrap;padding:22px 0}
.trust .lab{font-family:var(--mono);text-transform:uppercase;letter-spacing:.14em;font-size:11px;color:var(--caption);white-space:nowrap}
.trust .names{display:flex;gap:26px;flex-wrap:wrap;color:var(--slate);font-weight:600;font-size:15px;letter-spacing:.02em}
.trust .names span{white-space:nowrap}

/* ---------- capability cards ---------- */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:40px}
.card{border:1px solid var(--hair);border-radius:16px;background:#fff;overflow:hidden;display:flex;flex-direction:column}
.card .thumb{aspect-ratio:16/10;background:radial-gradient(120% 120% at 50% 30%,#fff,#eef2f7)}
.card .thumb img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply;padding:22px}
.card .body{padding:22px 24px 26px}
.card .n{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--teal);text-transform:uppercase}
.card h3{margin:8px 0 8px}
.card p{font-size:15px;color:var(--ink)}
.card .lnk{display:inline-block;margin-top:14px;font-weight:600;font-size:14px;color:var(--charcoal)}
.card .lnk:after{content:" →";color:var(--teal)}

/* ---------- navy band ---------- */
.band{background:var(--navy);color:var(--white)}
.band .kicker{color:var(--tealglow)}
.band h2{color:#fff;max-width:900px}
.band .cols{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:38px}
.band .col h3{color:#fff;font-size:17px;margin-bottom:8px}
.band .col p{color:#c7d2e0;font-size:15px}
.band .col .num{font-family:var(--mono);color:var(--teal);font-size:12px;letter-spacing:.14em}

/* ---------- range gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:36px}
.gallery .figure{aspect-ratio:3/4}
.gallery .figure img{max-height:82%;width:auto}
@media(max-width:820px){.gallery{grid-template-columns:repeat(2,1fr)}}

/* ---------- cert strip ---------- */
.certs{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.chip{border:1px solid var(--hair);background:#fff;border-radius:999px;padding:10px 18px;font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--ink)}
.chip b{color:var(--teal);font-weight:600}

/* ---------- segments ---------- */
.segs{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:36px}
.seg{border:1px solid var(--hair);border-radius:14px;background:#fff;padding:22px 18px}
.seg .t{font-weight:600;font-size:16px;margin-bottom:6px}
.seg p{font-size:13.5px;color:var(--caption);line-height:1.45}
@media(max-width:900px){.segs{grid-template-columns:repeat(2,1fr)}}

/* ---------- steps (process) ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:36px;counter-reset:s}
.step{padding-top:20px;border-top:2px solid var(--teal)}
.step .n{font-family:var(--mono);font-size:12px;color:var(--teal);letter-spacing:.14em}
.step h3{font-size:17px;margin:8px 0 6px}
.step p{font-size:14.5px;color:var(--ink)}
@media(max-width:820px){.steps{grid-template-columns:repeat(2,1fr)}.band .cols{grid-template-columns:1fr}}

/* ---------- cta band ---------- */
.cta-band{background:var(--midnight);color:#fff;text-align:center}
.cta-band h2{color:#fff}
.cta-band p{color:#c7d2e0;max-width:620px;margin:14px auto 26px;font-size:17px}

/* ---------- forms ---------- */
.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:8px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-family:var(--mono);text-transform:uppercase;letter-spacing:.12em;font-size:11px;color:var(--caption)}
.field input,.field select,.field textarea{font-family:var(--sans);font-size:15px;padding:12px 14px;border:1px solid var(--hair);border-radius:9px;background:#fff;color:var(--charcoal)}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(20,184,166,.15)}
.form-note{font-size:13px;color:var(--caption);margin-top:14px}
#formMsg{display:none;margin-top:16px;padding:14px 16px;border-radius:9px;background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46;font-size:14px}

/* ---------- contact info ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.info .item{padding:16px 0;border-top:1px solid var(--hair)}
.info .item:first-child{border-top:none}
.info .k{font-family:var(--mono);text-transform:uppercase;letter-spacing:.12em;font-size:11px;color:var(--caption);margin-bottom:4px}
.info .v{font-size:16px;color:var(--charcoal);font-weight:500}
.info .v small{color:var(--caption);font-weight:400}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr}.formgrid{grid-template-columns:1fr}}

/* ---------- page hero (inner) ---------- */
.phero{background:var(--navy);color:#fff;padding:64px 0 58px}
.phero .kicker{color:var(--tealglow)}
.phero h1{color:#fff}
.phero p{color:#c7d2e0;max-width:640px;margin-top:16px;font-size:18px}

/* ---------- split rows (capabilities detail) ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;padding:56px 0;border-bottom:1px solid var(--hair)}
.split:nth-child(even) .fig-wrap{order:2}
.split .figure{aspect-ratio:4/3}
.split .figure img{max-height:78%;width:auto}
.split h2{margin:6px 0 14px}
.split ul{list-style:none;margin-top:16px}
.split li{position:relative;padding-left:20px;margin:9px 0;font-size:15.5px;color:var(--ink)}
.split li:before{content:"–";position:absolute;left:0;color:var(--teal);font-weight:700}
@media(max-width:820px){.split{grid-template-columns:1fr;gap:24px}.split:nth-child(even) .fig-wrap{order:0}.hero .grid{grid-template-columns:1fr;min-height:auto}.hero .fig-wrap{order:-1}.cards{grid-template-columns:1fr}.menu{display:none}}

/* ---------- footer ---------- */
footer{background:var(--navy);color:#c7d2e0;padding:56px 0 30px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.08)}
.foot-brand .b{color:#fff;font-weight:700;font-size:17px;letter-spacing:.02em}
.foot-brand .b .dot{color:var(--teal)}
.foot-brand p{font-size:14px;margin-top:12px;max-width:300px;color:#93a3b8}
.foot h4{color:#fff;font-size:12px;font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px}
.foot a{display:block;color:#c7d2e0;font-size:14px;margin:8px 0}
.foot a:hover{color:var(--teal)}
.foot .meta{font-size:13px;color:#93a3b8}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:22px;font-size:12.5px;color:#7f8ea3}
@media(max-width:820px){.foot-grid{grid-template-columns:1fr 1fr}}