/* ============================================================
   BOSHENG · YILONG — Manufacturing Site
   Palette: slate blue #16262F + burnt orange #DE7B24
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }

:root{
  --ink:      #16262F;
  --ink-2:    #35505E;
  --mute:     #7B8C96;
  --line:     #DCE4E8;
  --line-2:   #EDF2F4;
  --faint:    #F5F8F9;
  --acc:      #DE7B24;
  --acc-d:    #C1651A;
  --white:    #FFFFFF;

  --font-d: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-b: "Inter", "Helvetica Neue", Arial, sans-serif;

  --maxw: 1240px;
  --pad: 44px;
  --nav-h: 76px;
}

html{ scroll-behavior:smooth; scroll-padding-top:80px; -webkit-text-size-adjust:100%; }

body{
  margin:0;
  font-family: var(--font-b);
  font-size:16px;
  line-height:1.75;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; cursor:pointer; }

.container{ max-width:var(--maxw); margin:0 auto; padding:0 var(--pad); }

/* ---------- type ---------- */
.eyebrow{
  font-size:11px; letter-spacing:.22em; text-transform:uppercase;
  color:var(--acc); font-weight:700; display:block;
}
h1,h2,h3,h4{ font-family:var(--font-d); font-weight:700; letter-spacing:-.02em; margin:0; line-height:1.12; }
h1{ font-size:clamp(38px, 5.4vw, 74px); letter-spacing:-.035em; }
h2{ font-size:clamp(28px, 3.4vw, 46px); letter-spacing:-.028em; }
h3{ font-size:clamp(19px, 1.6vw, 23px); letter-spacing:-.015em; }
h4{ font-size:15px; letter-spacing:0; }
p{ margin:0 0 1.1em; }
.lead{ font-size:clamp(15px,1.15vw,18px); line-height:1.8; color:var(--ink-2); max-width:62ch; }
.sm{ font-size:13.5px; line-height:1.75; color:var(--ink-2); }
.xs{ font-size:12px; line-height:1.7; color:var(--mute); }
.mono{ font-variant-numeric:tabular-nums; font-feature-settings:"tnum"; }

/* ---------- nav ---------- */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:100; height:var(--nav-h);
  display:flex; align-items:center;
  background:rgba(22,38,47,0);
  transition:background .35s ease, box-shadow .35s ease, border-color .35s;
  border-bottom:1px solid transparent;
}
.nav.solid{ background:rgba(255,255,255,.96); backdrop-filter:blur(14px); border-bottom-color:var(--line-2); }
.nav .container{ display:flex; align-items:center; justify-content:space-between; width:100%; }

.brand{ display:flex; align-items:baseline; gap:10px; font-family:var(--font-d); }
.brand b{ font-size:16px; letter-spacing:.02em; font-weight:800; color:var(--white); transition:color .3s; }
.brand span{ font-size:9.5px; letter-spacing:.24em; text-transform:uppercase; color:rgba(255,255,255,.66); transition:color .3s; }
.nav.solid .brand b{ color:var(--ink); }
.nav.solid .brand span{ color:var(--mute); }

.menu{ display:flex; align-items:center; gap:30px; }
.menu a{
  font-size:13px; font-weight:500; letter-spacing:.01em; color:rgba(255,255,255,.82);
  padding:6px 0; position:relative; transition:color .25s;
}
.menu a::after{
  content:""; position:absolute; left:0; right:100%; bottom:0; height:1.5px;
  background:var(--acc); transition:right .3s ease;
}
.menu a:hover::after, .menu a.on::after{ right:0; }
.menu a:hover, .menu a.on{ color:var(--white); }
.nav.solid .menu a{ color:var(--ink-2); }
.nav.solid .menu a:hover, .nav.solid .menu a.on{ color:var(--ink); }

.nav-cta{
  font-size:12.5px; font-weight:600; padding:10px 18px; border:1px solid rgba(255,255,255,.34);
  color:var(--white); transition:all .25s; white-space:nowrap;
}
.nav-cta:hover{ background:var(--acc); border-color:var(--acc); }
.nav.solid .nav-cta{ border-color:var(--ink); color:var(--ink); }
.nav.solid .nav-cta:hover{ background:var(--ink); color:var(--white); }

.burger{ display:none; width:24px; height:16px; position:relative; background:none; border:0; padding:0; }
.burger i{ position:absolute; left:0; right:0; height:1.5px; background:var(--white); transition:.3s; }
.burger i:nth-child(1){ top:0; } .burger i:nth-child(2){ top:7px; } .burger i:nth-child(3){ top:14px; }
.nav.solid .burger i{ background:var(--ink); }

/* ---------- hero ---------- */
.hero{
  position:relative; min-height:clamp(620px, 92vh, 880px); display:flex; align-items:flex-end;
  padding-bottom:64px; overflow:hidden; background:var(--ink);
}
.hero-bg{ position:absolute; inset:0; }
.hero-bg img{ width:100%; height:100%; object-fit:cover; object-position:center 55%; }
.hero-bg::after{
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(90deg, rgba(9,19,26,.95) 0%, rgba(9,19,26,.86) 28%, rgba(9,19,26,.46) 56%, rgba(9,19,26,.30) 78%, rgba(9,19,26,.50) 100%),
    linear-gradient(180deg, rgba(9,19,26,.78) 0%, rgba(9,19,26,.10) 26%, rgba(9,19,26,.34) 58%, rgba(9,19,26,.88) 88%, rgba(9,19,26,.97) 100%);
}
.hero .container{ position:relative; z-index:2; width:100%; }
.hero h1{ color:var(--white); max-width:19ch; }
.hero h1 .o{ color:var(--acc); }
.hero .lead{ color:rgba(255,255,255,.78); margin-top:26px; max-width:52ch; }
.hero .eyebrow{ color:var(--acc); margin-bottom:22px; }
.hero-actions{ display:flex; gap:14px; margin-top:38px; flex-wrap:wrap; }

.hero-foot{
  position:relative; z-index:2; margin-top:64px; padding-top:22px;
  border-top:1px solid rgba(255,255,255,.22);
  display:grid; grid-template-columns:repeat(4,1fr); gap:24px;
}
.hero-foot div{ color:rgba(255,255,255,.74); font-size:12px; line-height:1.6; }
.hero-foot b em{ font-style:normal; font-size:.55em; color:rgba(255,255,255,.72); margin-left:3px; }
.hero-foot b{ display:block; font-family:var(--font-d); font-size:22px; color:var(--white); letter-spacing:-.02em; margin-bottom:3px; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding:15px 26px; font-size:13px; font-weight:600; letter-spacing:.02em;
  border:1px solid transparent; transition:all .25s ease;
}
.btn-acc{ background:var(--acc); color:var(--white); }
.btn-acc:hover{ background:var(--acc-d); }
.btn-ghost{ border-color:rgba(255,255,255,.34); color:var(--white); }
.btn-ghost:hover{ border-color:var(--white); background:rgba(255,255,255,.08); }
.btn-dark{ background:var(--ink); color:var(--white); }
.btn-dark:hover{ background:#0E1A21; }
.btn-line{ border-color:var(--ink); color:var(--ink); }
.btn-line:hover{ background:var(--ink); color:var(--white); }
.arrow{ transition:transform .25s; }
.btn:hover .arrow{ transform:translateX(4px); }

/* ---------- section ---------- */
.sec{ padding:clamp(64px,8vw,116px) 0; }
.sec.tight{ padding:clamp(48px,5.5vw,78px) 0; }
.sec.faint{ background:var(--faint); }
.sec-head{ display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:end; margin-bottom:clamp(38px,4vw,60px); }
.sec-head .lead{ margin:0; }
.sec-head h2{ max-width:16ch; }
.sec-head .eyebrow{ margin-bottom:16px; }

/* ---------- stats ---------- */
.stats{ display:grid; grid-template-columns:repeat(4,1fr); border-top:1px solid var(--line); }
.stats > div{ padding:30px 0 0; border-right:1px solid var(--line-2); }
.stats > div:last-child{ border-right:0; }
.stats .v{ font-family:var(--font-d); font-size:clamp(30px,3.2vw,44px); font-weight:700; letter-spacing:-.03em; line-height:1; }
.stats .v em{ font-style:normal; font-size:.4em; font-weight:600; color:var(--mute); margin-left:5px; letter-spacing:0; }
.stats .l{ font-size:12px; letter-spacing:.12em; text-transform:uppercase; color:var(--mute); margin-top:12px; }
.stats .d{ font-size:13px; color:var(--ink-2); margin-top:6px; max-width:22ch; }

/* ---------- cards ---------- */
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line); }
.grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.duo{ display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.cell{ background:var(--white); padding:32px 28px 34px; transition:background .3s; }
.cell:hover{ background:var(--faint); }
.cell .n{ font-family:var(--font-d); font-size:11px; font-weight:700; color:var(--acc); letter-spacing:.14em; }
.cell h3{ margin:14px 0 10px; }
.cell p{ font-size:13.5px; line-height:1.75; color:var(--ink-2); margin:0; }

/* ---------- product card ---------- */
.prods{ display:grid; grid-template-columns:repeat(2,1fr); gap:clamp(20px,2.4vw,34px); }
.prod{ position:relative; overflow:hidden; background:var(--faint); }
.prod-img{ aspect-ratio:4/3; overflow:hidden; }
.prod-img img{ width:100%; height:100%; object-fit:cover; transition:transform .8s cubic-bezier(.16,1,.3,1); }
.prod:hover .prod-img img{ transform:scale(1.04); }
.prod-body{ padding:26px 26px 30px; background:var(--white); border:1px solid var(--line); border-top:0; }
.prod-tag{ font-size:10.5px; letter-spacing:.2em; text-transform:uppercase; color:var(--acc); font-weight:700; }
.prod-body h3{ margin:10px 0 12px; }
.prod-body p{ font-size:13.5px; color:var(--ink-2); margin:0 0 16px; }
.spec-list{ display:flex; flex-wrap:wrap; gap:8px; }
.spec-list span{
  font-size:11.5px; padding:5px 10px; border:1px solid var(--line);
  color:var(--ink-2); background:var(--faint);
}

/* ---------- table ---------- */
.tbl{ width:100%; border-collapse:collapse; font-size:13.5px; table-layout:fixed; }
.tbl td, .tbl th{ overflow-wrap:break-word; word-break:normal; }

/* grid/flex children must be allowed to shrink below their content width */
.split > *, .prods > *, .grid-2 > *, .grid-3 > *, .grid-4 > *, .hero .container{ min-width:0; }
.hero-foot > div{ min-width:0; }
.tbl th{
  text-align:left; font-size:10.5px; letter-spacing:.16em; text-transform:uppercase;
  color:var(--mute); font-weight:600; padding:0 16px 12px 0; border-bottom:1px solid var(--ink);
}
.tbl td{ padding:15px 16px 15px 0; border-bottom:1px solid var(--line-2); color:var(--ink-2); vertical-align:top; }
.tbl td:first-child{ color:var(--ink); font-weight:600; }
.tbl tr:hover td{ background:var(--faint); }
.tbl .ok{ color:var(--acc); font-weight:700; }

/* ---------- split ---------- */
.split{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(32px,5vw,80px); align-items:center; }
.split-media{ position:relative; }
.split-media img{ width:100%; height:auto; }
.split-media .cap{ margin-top:14px; }
.cap{ font-size:12px; color:var(--mute); line-height:1.65; }
.cap b{ color:var(--ink); font-weight:600; }

/* ---------- band ---------- */
.band{ background:var(--ink); color:var(--white); padding:clamp(64px,7vw,104px) 0; }
.band h2{ color:var(--white); max-width:20ch; }
.band .lead{ color:rgba(255,255,255,.7); }
.band .eyebrow{ color:var(--acc); margin-bottom:18px; }
.band-actions{ display:flex; gap:14px; margin-top:34px; flex-wrap:wrap; }

/* ---------- footer ---------- */
.foot{ background:#0E1A21; color:rgba(255,255,255,.62); padding:72px 0 28px; font-size:13px; }
.foot-grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1.2fr; gap:44px; padding-bottom:56px; }
.foot h4{ color:var(--white); font-size:11px; letter-spacing:.18em; text-transform:uppercase; margin-bottom:18px; font-weight:600; }
.foot a{ color:rgba(255,255,255,.62); transition:color .2s; }
.foot a:hover{ color:var(--acc); }
.foot-links{ display:grid; gap:10px; }
.foot .brand b{ color:var(--white); }
.foot .brand span{ color:rgba(255,255,255,.42); }
.foot-desc{ margin-top:18px; max-width:30ch; line-height:1.7; }
.foot-bot{
  border-top:1px solid rgba(255,255,255,.1); padding-top:22px;
  display:flex; justify-content:space-between; gap:20px; flex-wrap:wrap; font-size:11.5px;
  color:rgba(255,255,255,.52);
}

/* ---------- page header ---------- */
.phead{ padding:calc(var(--nav-h) + 76px) 0 0; }
.phead .eyebrow{ margin-bottom:20px; }
.phead h1{ max-width:20ch; font-size:clamp(32px,4.4vw,62px); }
.phead .lead{ margin-top:26px; }
.phead-rule{ height:1px; background:var(--ink); margin:52px 0 0; }

/* ---------- language ---------- */
html[data-lang="zh"] .zh, html[data-lang="en"] .en{ }
[data-zh]{ }

/* ---------- reveal ---------- */
.rv{ opacity:0; transform:translateY(18px); transition:opacity .8s cubic-bezier(.16,1,.3,1), transform .8s cubic-bezier(.16,1,.3,1); }
.rv.in{ opacity:1; transform:none; }

/* ---------- form ---------- */
.form{ display:grid; gap:18px; }
.field{ display:grid; gap:4px; }
.field label{ font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--mute); font-weight:600; }
.field input, .field textarea, .field select{
  width:100%; padding:10px 0; border:0; border-bottom:1px solid var(--line);
  font:inherit; font-size:15px; color:var(--ink); background:transparent; outline:none;
  transition:border-color .25s; border-radius:0;
}
.field input:focus, .field textarea:focus, .field select:focus{ border-bottom-color:var(--acc); }
.field textarea{ resize:vertical; min-height:96px; }
.row-2{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }

/* ---------- responsive ---------- */
@media (max-width:1024px){
  :root{ --pad:32px; }
  .sec-head{ grid-template-columns:1fr; gap:24px; }
  .foot-grid{ grid-template-columns:1fr 1fr; gap:36px; }
  .grid-4{ grid-template-columns:1fr 1fr; }
  .hero-foot{ grid-template-columns:1fr 1fr; gap:20px; }
}
@media (max-width:820px){
  :root{ --pad:20px; --nav-h:64px; }
  .menu{ display:none; }
  .burger{ display:block; }
  .nav-cta{ display:none; }
  .grid-3, .grid-2, .grid-4, .duo{ grid-template-columns:1fr; }
  .prods{ grid-template-columns:1fr; }
  .split{ grid-template-columns:1fr; gap:32px; }
  .stats{ grid-template-columns:1fr 1fr; }
  .stats > div{ padding-top:24px; border-right:0; }
  .row-2{ grid-template-columns:1fr; }
  .foot-grid{ grid-template-columns:1fr; }
  .hero{ min-height:auto; padding:calc(var(--nav-h) + 90px) 0 48px; }
  .tbl{ font-size:12.5px; }
  .tbl th, .tbl td{ padding-right:10px; }
  .tbl td:first-child{ word-break:keep-all; }
  .phead h1{ max-width:none; }
}

/* mobile drawer */
.drawer{
  position:fixed; inset:0; z-index:99; background:var(--ink);
  display:flex; flex-direction:column; justify-content:center; padding:0 32px;
  transform:translateY(-100%); transition:transform .45s cubic-bezier(.16,1,.3,1);
}
.drawer.open{ transform:none; }
.drawer a{ color:var(--white); font-family:var(--font-d); font-size:26px; font-weight:700; padding:14px 0; border-bottom:1px solid rgba(255,255,255,.12); }
.drawer .close{ position:absolute; top:22px; right:26px; color:var(--white); font-size:28px; background:none; border:0; }

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .rv{ opacity:1 !important; transform:none !important; transition:none !important; }
  .prod-img img{ transition:none !important; }
}

/* ============================================================
   V2 — dual-line home, gallery, lightbox, process strip
   ============================================================ */

/* ---------- a11y ---------- */
.skip{ position:absolute; left:-9999px; top:0; }
.skip:focus{ left:16px; top:16px; z-index:400; background:var(--ink); color:#fff; padding:10px 16px; font-size:13px; }
:focus-visible{ outline:2px solid var(--acc); outline-offset:3px; }

/* ---------- dual hero ---------- */
.hero2{ background:var(--white); }
.hero2-panes{
  display:grid; grid-template-columns:1fr 1fr;
  height:clamp(340px,56vh,600px); background:var(--ink);
}
.pane{ position:relative; overflow:hidden; display:block; }
.pane img{ width:100%; height:100%; object-fit:cover; transition:transform 1.2s cubic-bezier(.16,1,.3,1); }
.pane::after{
  content:""; position:absolute; inset:0; pointer-events:none;
  background:linear-gradient(180deg, rgba(9,19,26,.40) 0%, rgba(9,19,26,.04) 38%, rgba(9,19,26,.82) 100%);
}
.pane:hover img{ transform:scale(1.045); }
.pane + .pane{ border-left:1px solid rgba(255,255,255,.16); }
.pane-label{ position:absolute; left:clamp(18px,3vw,42px); right:80px; bottom:clamp(16px,2.4vw,30px); z-index:2; color:#fff; text-shadow:0 1px 14px rgba(0,0,0,.55); }
.pane-label .no{
  font-family:var(--font-d); font-size:10.5px; letter-spacing:.24em; color:var(--acc);
  font-weight:700; display:block; margin-bottom:8px;
}
.pane-label h2{ font-size:clamp(19px,2.4vw,32px); color:#fff; letter-spacing:-.02em; }
.pane-label p{ font-size:12px; color:rgba(255,255,255,.74); margin:7px 0 0; max-width:30ch; line-height:1.6; }
.pane-go{
  position:absolute; right:clamp(16px,2.4vw,30px); bottom:clamp(16px,2.4vw,30px); z-index:2;
  width:38px; height:38px; border:1px solid rgba(255,255,255,.42); border-radius:50%;
  display:grid; place-items:center; color:#fff; font-size:13px; transition:.3s;
}
.pane:hover .pane-go{ background:var(--acc); border-color:var(--acc); transform:translateX(3px); }

.hero2-grid{
  display:grid; grid-template-columns:1.1fr .9fr; gap:clamp(26px,4vw,64px);
  padding:clamp(32px,4.2vw,54px) 0 clamp(26px,3vw,38px); align-items:start;
}
.hero2-grid h1{ font-size:clamp(30px,4.5vw,60px); max-width:22ch; }
.hero2-grid .eyebrow{ margin-bottom:15px; }
.hero2-grid .lead{ margin:0 0 26px; max-width:46ch; font-size:clamp(14px,1.05vw,16.5px); }
.hero-facts{
  display:grid; grid-template-columns:repeat(4,1fr); gap:18px 28px;
  margin:0; padding:22px 0 clamp(30px,3.6vw,44px); border-top:1px solid var(--line);
}
.hero-facts b{ display:block; font-family:var(--font-d); font-size:21px; letter-spacing:-.02em; line-height:1.15; white-space:nowrap; }
.hero-facts b em{ font-style:normal; font-size:.58em; color:var(--mute); margin-left:4px; letter-spacing:0; }
.hero-facts span{ font-size:11.5px; color:var(--mute); line-height:1.5; display:block; margin-top:3px; }

/* ---------- two lines ---------- */
.lines{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line); }
.line{ background:var(--white); padding:clamp(22px,2.8vw,36px); display:flex; flex-direction:column; }
.line-no{ font-family:var(--font-d); font-size:10.5px; letter-spacing:.2em; color:var(--acc); font-weight:700; }
.line h3{ font-size:clamp(20px,1.9vw,27px); margin:11px 0 12px; }
.line > p{ font-size:13.5px; color:var(--ink-2); margin:0 0 4px; }
.line-shot{ display:grid; grid-template-columns:1fr 1fr; gap:8px; margin:20px 0 18px; }
.line-shot img{ width:100%; height:auto; aspect-ratio:1/1; object-fit:cover; background:var(--line-2); }
.line-kv{ display:grid; margin-top:auto; }
.line-kv > div{ display:grid; grid-template-columns:92px 1fr; gap:12px; padding:9px 0; border-top:1px solid var(--line-2); }
.line-kv dt{ margin:0; color:var(--mute); font-size:10px; letter-spacing:.12em; text-transform:uppercase; padding-top:2px; }
.line-kv dd{ margin:0; color:var(--ink-2); font-size:12.5px; line-height:1.55; }
.line-more{
  margin-top:20px; align-self:flex-start; font-size:12.5px; font-weight:600; color:var(--ink);
  display:inline-flex; align-items:center; gap:8px; border-bottom:1px solid var(--acc); padding-bottom:3px;
}
.line-more span{ transition:transform .25s; }
.line-more:hover span{ transform:translateX(4px); }

/* ---------- gallery ---------- */
.chips{ display:flex; flex-wrap:wrap; gap:8px; margin-bottom:24px; }
.chip{ background:none; border:1px solid var(--line); padding:8px 15px; font-size:12px; color:var(--ink-2); transition:.25s; }
.chip:hover{ border-color:var(--ink); color:var(--ink); }
.chip.on{ background:var(--ink); border-color:var(--ink); color:#fff; }
.gal{ display:grid; grid-template-columns:repeat(4,1fr); gap:12px; }
.gal-item{ position:relative; overflow:hidden; aspect-ratio:1/1; background:var(--line-2); cursor:zoom-in; margin:0; }
.gal-item img{ width:100%; height:100%; object-fit:cover; transition:transform .9s cubic-bezier(.16,1,.3,1); }
.gal-item:hover img{ transform:scale(1.06); }
.gal-item figcaption{
  position:absolute; inset:auto 0 0 0; padding:26px 14px 12px; color:#fff;
  background:linear-gradient(0deg, rgba(9,19,26,.92), rgba(9,19,26,0));
  transform:translateY(8px); opacity:0; transition:.35s;
}
.gal-item:hover figcaption, .gal-item:focus-within figcaption{ transform:none; opacity:1; }
.gal-item figcaption b{ display:block; font-size:12px; font-weight:600; line-height:1.35; }
.gal-item figcaption span{ font-size:9.5px; letter-spacing:.16em; text-transform:uppercase; color:rgba(255,255,255,.62); }
.gal-item.hide{ display:none; }
.gal-foot{ display:flex; justify-content:space-between; align-items:center; gap:20px; margin-top:26px; flex-wrap:wrap; }

/* ---------- lightbox ---------- */
.lb{ position:fixed; inset:0; z-index:300; background:rgba(9,19,26,.95); display:none; align-items:center; justify-content:center; padding:5vw; }
.lb.open{ display:flex; }
.lb img{ max-width:100%; max-height:80vh; object-fit:contain; }
.lb .lb-cap{ position:absolute; left:0; right:0; bottom:24px; text-align:center; color:rgba(255,255,255,.74); font-size:12.5px; padding:0 8vw; }
.lb .lb-x{ position:absolute; top:16px; right:22px; background:none; border:0; color:#fff; font-size:32px; line-height:1; padding:8px; }

/* ---------- process strip ---------- */
.procstrip{ display:grid; grid-template-columns:repeat(4,1fr); gap:clamp(12px,1.6vw,20px); margin-bottom:clamp(32px,3.6vw,48px); }
.procstrip figure{ margin:0; }
.procstrip img{ width:100%; height:auto; aspect-ratio:4/3; object-fit:cover; background:var(--line-2); }
.procstrip figcaption{ margin-top:11px; font-size:12px; color:var(--ink-2); line-height:1.6; }
.procstrip b{ display:block; font-family:var(--font-d); font-size:10.5px; letter-spacing:.18em; color:var(--acc); margin-bottom:5px; }
.proclist{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.proclist > div{ background:var(--white); padding:24px 22px 26px; transition:background .3s; }
.proclist > div:hover{ background:var(--faint); }
.proclist .n{ font-family:var(--font-d); font-size:10.5px; font-weight:700; color:var(--acc); letter-spacing:.16em; }
.proclist h4{ margin:11px 0 8px; font-family:var(--font-d); font-size:15.5px; font-weight:700; }
.proclist p{ font-size:12.5px; line-height:1.7; color:var(--ink-2); margin:0; }

/* ---------- to top ---------- */
.totop{
  position:fixed; right:20px; bottom:20px; z-index:90; width:42px; height:42px;
  background:var(--ink); color:#fff; border:0; display:grid; place-items:center;
  opacity:0; pointer-events:none; transition:opacity .3s, transform .3s; transform:translateY(8px);
}
.totop.on{ opacity:1; pointer-events:auto; transform:none; }

/* ---------- whatsapp floating button ---------- */
.wa-fab{
  position:fixed; right:20px; bottom:74px; z-index:91;
  display:inline-flex; align-items:center; gap:9px;
  padding:10px 15px 10px 12px; background:#16262F; color:#fff;
  border-radius:2px; font-size:12.5px; font-weight:600; letter-spacing:.02em;
  box-shadow:0 8px 24px rgba(22,38,47,.22);
  transition:transform .22s, background .22s, box-shadow .22s;
}
.wa-fab:hover{ transform:translateY(-2px); background:#0E1A21; box-shadow:0 12px 28px rgba(22,38,47,.3); }
.wa-fab svg{ width:18px; height:18px; flex:0 0 18px; fill:#25D366; }
.wa-fab span{ display:none; }
@media (min-width:700px){ .wa-fab span{ display:inline; } }

/* inline form error */
.form .err{ border-color:#C0392B !important; background:#FDF6F5; }

@media (max-width:1024px){
  .hero2-grid{ grid-template-columns:1fr; gap:26px; }
  .lines{ grid-template-columns:1fr; }
  .gal{ grid-template-columns:repeat(3,1fr); }
  .procstrip{ grid-template-columns:repeat(2,1fr); }
  .proclist{ grid-template-columns:1fr 1fr; }
}
@media (max-width:820px){
  .hero2-panes{ height:236px; }
  .pane + .pane{ border-left:1px solid rgba(255,255,255,.2); }
  .pane-label{ left:14px; right:52px; bottom:13px; }
  .pane-label h2{ font-size:15px; }
  .pane-label p{ display:none; }
  .pane-label .no{ font-size:8.5px; letter-spacing:.18em; margin-bottom:4px; }
  .pane-go{ width:28px; height:28px; right:12px; bottom:12px; font-size:11px; }
  .gal{ grid-template-columns:repeat(2,1fr); gap:8px; }
  .proclist{ grid-template-columns:1fr; }
  .procstrip{ gap:10px; }
  .hero2-grid h1{ max-width:none; }
  .line-kv > div{ grid-template-columns:82px 1fr; }
  .hero-facts{ grid-template-columns:1fr 1fr; gap:16px 20px; }
  .hero-facts b{ font-size:18px; }
  .totop{ right:14px; bottom:14px; width:38px; height:38px; }
}

/* ---------- nav fits seven items ---------- */
@media (min-width:1100px){
  .menu{ gap:22px; }
  .menu a{ font-size:12.5px; }
  .brand span{ font-size:9px; letter-spacing:.2em; }
}
@media (min-width:821px) and (max-width:1100px){
  .menu{ gap:16px; }
  .menu a{ font-size:12px; }
}

/* ---------- faq + four-column process list ---------- */
.proclist.four{ grid-template-columns:repeat(4,1fr); }
.faq{ border-top:1px solid var(--ink); margin-top:8px; }
.faq details{ border-bottom:1px solid var(--line-2); }
.faq summary{
  cursor:pointer; padding:17px 0; font-family:var(--font-d); font-weight:700; font-size:16px;
  letter-spacing:-.01em; list-style:none; display:flex; justify-content:space-between;
  align-items:baseline; gap:24px; transition:color .2s;
}
.faq summary::-webkit-details-marker{ display:none; }
.faq summary:hover{ color:var(--acc); }
.faq summary::after{ content:"+"; color:var(--acc); font-size:19px; line-height:1; flex:none; }
.faq details[open] summary::after{ content:"–"; }
.faq .a{ padding:0 0 20px; font-size:13.5px; line-height:1.8; color:var(--ink-2); max-width:78ch; }
@media (max-width:1024px){
  .proclist.four{ grid-template-columns:1fr 1fr; }
}
@media (max-width:820px){
  .proclist.four{ grid-template-columns:1fr; }
}