/* ============================================================
   TANDA — Drop-Stitch Membrane Structures
   Design system: "SIGNAL × BLUEPRINT"
   Signal orange as primary surface + monospace technical layer
   ============================================================ */

/* ---------- 1. Tokens ---------- */
:root{
  /* brand */
  --o:#FF4D00;
  --o-d:#D63F00;
  --o-l:#FF7A3D;
  --o-ink:#3A1A0A;          /* readable dark-brown on orange */

  /* neutrals */
  --ink:#0A0A0A;
  --ink-2:#12171C;
  --ink-3:#1A222A;
  --bone:#F7F4EF;
  --paper:#FFFFFF;
  --txt:#14181C;
  --mut:#5F6A73;
  --mut-d:#93A3B1;
  --line:#E3DED6;
  --line-d:#243039;

  /* technical accent — dark surfaces only */
  --data:#4FD1FF;

  /* type */
  --cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --f-display:"Archivo Black",var(--cn),system-ui,sans-serif;
  --f-sans:"Archivo",-apple-system,BlinkMacSystemFont,var(--cn),system-ui,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  /* layout */
  --wrap:1280px;
  --gut:clamp(18px,4vw,44px);
  --nav-h:68px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--txt);
  font-family:var(--f-sans);font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
picture{display:contents}
a{color:inherit;text-decoration:none}
button{font:inherit}
h1,h2,h3,h4,h5{margin:0;font-weight:400;letter-spacing:-.03em;line-height:1.08}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gut)}
/* Grid/flex children default to min-width:auto and refuse to shrink below their
   content, which lets a wide table burst the viewport instead of scrolling
   inside its own .tblwrap. Reset it. */
.grid > *,.split > *,.hero > *,.stats > *,.tiles > *,.approw > *{min-width:0}
.tblwrap{max-width:100%}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- 2. Type utilities ---------- */
.display{font-family:var(--f-display);text-transform:uppercase;letter-spacing:-.045em;line-height:.94}
.mono{font-family:var(--f-mono);font-weight:500;letter-spacing:.1em;text-transform:uppercase}
.kicker{
  font-family:var(--f-mono);font-size:11px;font-weight:600;
  letter-spacing:.22em;text-transform:uppercase;
}

/* ---------- 3. Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 26px;font-size:13.5px;font-weight:800;letter-spacing:.03em;
  border:2px solid transparent;cursor:pointer;transition:.16s ease;
  white-space:nowrap;
}
.btn-p{background:var(--o);color:#fff;border-color:var(--o)}
.btn-p:hover{background:var(--o-d);border-color:var(--o-d)}
.btn-ink{background:var(--ink);color:var(--o);border-color:var(--ink)}
.btn-ink:hover{background:#000}
.btn-out{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-out:hover{background:var(--ink);color:#fff}
.btn-out-l{background:transparent;color:#E8EDF1;border-color:#3B4854}
.btn-out-l:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-lg{padding:17px 34px;font-size:14.5px}

/* ---------- 4. Header ---------- */
.hdr{
  position:sticky;top:0;z-index:80;background:var(--ink);
  height:var(--nav-h);display:flex;align-items:center;
  border-bottom:1px solid #1E262E;
}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;width:100%;gap:20px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo .mk{
  width:26px;height:26px;background:var(--o);flex-shrink:0;
  clip-path:polygon(0 100%,50% 0,100% 100%);
}
.logo .wm{font-family:var(--f-display);font-size:19px;color:#fff;letter-spacing:.1em;line-height:1}
.logo .sub{
  font-family:var(--f-mono);font-size:8.5px;color:#7B8794;
  letter-spacing:.15em;display:block;margin-top:3px;text-transform:uppercase;
}
.nav{display:flex;align-items:center;gap:clamp(14px,2vw,28px)}
.nav a{
  font-size:13.5px;font-weight:600;color:#D5DDE3;padding:6px 0;
  border-bottom:2px solid transparent;transition:.15s;
}
.nav a:hover,.nav a[aria-current="page"]{color:var(--o-l);border-bottom-color:var(--o)}
.hdr-r{display:flex;align-items:center;gap:14px;flex-shrink:0}

/* language switcher */
.lang{position:relative}
.lang-btn{
  font-family:var(--f-mono);font-size:11px;font-weight:600;letter-spacing:.1em;
  background:transparent;color:#C7D1D9;border:1px solid #333F4A;
  padding:7px 12px;cursor:pointer;display:flex;align-items:center;gap:6px;
}
.lang-btn:hover{border-color:var(--o);color:var(--o-l)}
.lang-menu{
  position:absolute;inset-inline-end:0;top:calc(100% + 8px);min-width:172px;
  background:var(--ink-2);border:1px solid #2A353F;padding:5px;
  display:none;box-shadow:0 14px 40px rgba(0,0,0,.5);
}
.lang[data-open="1"] .lang-menu{display:block}
.lang-menu a{
  display:flex;justify-content:space-between;gap:12px;align-items:center;
  padding:9px 12px;font-size:13px;color:#D5DDE3;
}
.lang-menu a:hover{background:#212B34;color:var(--o-l)}
.lang-menu a span{font-family:var(--f-mono);font-size:10px;color:#6F7C88;letter-spacing:.1em}
.lang-menu a[aria-current="true"]{color:var(--o-l)}

.burger{display:none;background:none;border:0;padding:8px;cursor:pointer}
.nav-cta{display:none}
.burger i{display:block;width:22px;height:2px;background:#fff;margin:5px 0}

/* ---------- 5. Hero (split: orange panel + bleed image) ---------- */
.hero{background:var(--ink);display:grid;grid-template-columns:1.02fr .98fr;min-height:clamp(440px,58vw,560px)}
.hero-l{background:var(--o);padding:clamp(34px,4.4vw,60px) clamp(24px,3.6vw,52px);display:flex;flex-direction:column;justify-content:center}
.hero-l .kicker{color:var(--o-ink);opacity:.75;margin-bottom:20px}
.hero-l h1{font-family:var(--f-display);color:var(--ink);font-size:clamp(38px,5.1vw,62px);text-transform:uppercase;letter-spacing:-.045em;line-height:.93}
.hero-l h1 em{
  font-style:normal;display:block;text-transform:none;letter-spacing:-.02em;
  font-size:clamp(23px,2.9vw,36px);margin-top:14px;line-height:1.14;
}
.hero-l p{margin-top:22px;font-size:clamp(14px,1.15vw,15.5px);line-height:1.66;color:var(--o-ink);font-weight:500;max-width:48ch}
.hero-l .btns{margin-top:30px;display:flex;gap:12px;flex-wrap:wrap}
.hero-r{position:relative;overflow:hidden;min-height:260px}
.hero-r img{width:100%;height:100%;object-fit:cover}
.hero-r::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,10,10,.34),transparent 34%)}

/* ---------- 6. Spec strip (BLUEPRINT layer) ---------- */
.specstrip{background:var(--ink-2);border-block:1px solid var(--line-d);overflow:hidden}
.specstrip ul{display:flex;flex-wrap:wrap}
.specstrip li{
  flex:1 1 auto;padding:13px clamp(14px,1.7vw,24px);
  font-family:var(--f-mono);font-size:11.5px;letter-spacing:.09em;
  color:var(--mut-d);border-inline-start:1px solid var(--line-d);
  display:flex;align-items:center;gap:8px;white-space:nowrap;
}
.specstrip li:first-child{border-inline-start:0}
.specstrip li b{color:var(--data);font-weight:600}

/* ---------- 7. Stat bar ---------- */
.stats{background:var(--ink);display:grid;grid-template-columns:repeat(4,1fr)}
.stats > div{padding:clamp(22px,2.6vw,34px) clamp(16px,1.8vw,26px);border-inline-start:1px solid #1E262E}
.stats > div:first-child{border-inline-start:0}
.stats b{display:block;font-family:var(--f-display);font-size:clamp(26px,2.9vw,36px);color:var(--o);letter-spacing:-.035em;line-height:1}
.stats span{display:block;margin-top:10px;font-size:11.5px;line-height:1.5;color:#8B959E;font-weight:500}

/* ---------- 8. Sections ---------- */
.sec{padding:clamp(52px,6.4vw,92px) 0}
.sec-bone{background:var(--bone)}
.sec-paper{background:var(--paper)}
.sec-ink{background:var(--ink-2);color:#E9EEF2;position:relative}
.sec-ink .sec-h h2{color:#fff}
.sec-ink .sec-h p{color:var(--mut-d)}

/* blueprint grid texture for dark sections */
.bp::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(79,209,255,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(79,209,255,.055) 1px,transparent 1px);
  background-size:56px 56px;
}
.bp > *{position:relative}

.sec-h{margin-bottom:clamp(28px,3.4vw,44px);max-width:74ch;position:relative;border-top:2px solid var(--ink);padding-top:20px}
.sec-h::before{content:"";position:absolute;top:-2px;inset-inline-start:0;width:68px;height:2px;background:var(--o)}
.sec-ink .sec-h{border-top-color:#33414D}
.sec-h .kicker{color:var(--mut);display:block;margin-bottom:12px}
.sec-ink .sec-h .kicker{color:var(--mut-d)}
.sec-h h2{font-family:var(--f-display);font-size:clamp(30px,4.7vw,58px);text-transform:uppercase;letter-spacing:-.048em;line-height:.95}
.sec-h p{margin-top:16px;font-size:14.5px;line-height:1.72;color:var(--mut);max-width:62ch}

/* ---------- 9. Quick answer block (GEO) ---------- */
.qa{
  background:var(--paper);border:1px solid var(--line);border-inline-start:4px solid var(--o);
  padding:clamp(20px,2.4vw,28px) clamp(20px,2.6vw,32px);
  margin-bottom:clamp(30px,3.6vw,46px);
}
.qa p{font-size:16.5px;line-height:1.68;color:var(--txt)}
.qa p strong{font-weight:800}
.sec-ink .qa{background:#0D1318;border-inline-start-color:var(--o);box-shadow:none;border:1px solid var(--line-d);border-inline-start-width:5px}
.sec-ink .qa p{color:#DCE4EA}

/* ---------- 10. Cards ---------- */
.grid{display:grid;gap:clamp(16px,1.9vw,24px)}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

.card{background:var(--paper);border:1px solid var(--line);display:flex;flex-direction:column;transition:border-color .16s ease}
.card:hover{border-color:var(--ink)}
.card:hover .more{text-decoration:underline;text-underline-offset:3px}
.card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.card-b{padding:clamp(17px,1.7vw,22px);flex:1;display:flex;flex-direction:column}
.card .idx{font-family:var(--f-mono);font-size:10.5px;font-weight:600;letter-spacing:.16em;color:var(--mut);text-transform:uppercase}
.card h3{font-family:var(--f-display);font-size:19px;text-transform:uppercase;letter-spacing:-.03em;margin:12px 0 10px;line-height:1.02}
.card p{font-size:13px;line-height:1.62;color:var(--mut);flex:1}
.card .more{margin-top:15px;font-family:var(--f-mono);font-size:11px;font-weight:600;letter-spacing:.11em;color:var(--ink);text-transform:uppercase;display:inline-flex;gap:7px;align-items:center}
.card:hover .more{color:var(--o)}

/* dark variant */
.sec-ink .card{background:#0D1318;border-color:var(--line-d);border-top-color:var(--o)}
.sec-ink .card h3{color:#fff}
.sec-ink .card p{color:var(--mut-d)}
.sec-ink .card .more{color:#CBD5DD}

/* ---------- 11. Product card (spec list) ---------- */
.pcard{background:var(--paper);border:1px solid var(--line);display:flex;flex-direction:column;transition:border-color .16s ease}
.pcard:hover{border-color:var(--ink)}
.pcard img{width:100%;aspect-ratio:4/3;object-fit:contain;background:var(--bone);padding:14px;border-bottom:1px solid var(--line)}
.pcard-b{padding:20px;flex:1;display:flex;flex-direction:column}
.pcard .tagrow{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:11px}
.tag{font-family:var(--f-mono);font-size:9.5px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;padding:4px 8px;background:var(--bone);color:var(--mut);border:1px solid var(--line)}
.tag-o{background:var(--o);color:#fff;border-color:var(--o)}
.pcard h3{font-family:var(--f-display);font-size:20px;text-transform:uppercase;letter-spacing:-.03em;line-height:1.02}
.pcard .sname{font-family:var(--f-mono);font-size:11px;color:var(--o);letter-spacing:.12em;margin-top:6px;text-transform:uppercase}
.pcard .desc{font-size:13px;line-height:1.6;color:var(--mut);margin-top:11px;flex:1}
.speclist{margin-top:15px;border-top:1px solid var(--line)}
.speclist div{display:flex;justify-content:space-between;gap:14px;padding:8px 0;border-bottom:1px solid var(--line);font-size:12.5px}
.speclist dt,.speclist .k{color:var(--mut);font-weight:500}
.speclist dd,.speclist .v{margin:0;font-family:var(--f-mono);font-size:11.5px;color:var(--txt);text-align:end;font-weight:500}

/* ---------- 12. Application rows (scenario) ---------- */
.approw{display:grid;grid-template-columns:1.08fr .92fr;gap:0;background:var(--paper);border-top:1px solid var(--line);overflow:hidden}
.approw:last-of-type{border-bottom:1px solid var(--line)}
.approw:nth-child(even) .approw-img{order:2}
.approw-img{position:relative;min-height:290px}
.approw-img img{width:100%;height:100%;object-fit:cover}
.approw-img.fit{background:var(--bone)}
.approw-img.fit img{object-fit:contain;padding:26px}
.approw-b{padding:clamp(28px,3.4vw,52px) clamp(24px,2.9vw,44px);display:flex;flex-direction:column;justify-content:center}
.approw-b .idx{font-family:var(--f-mono);font-size:10.5px;font-weight:600;letter-spacing:.16em;color:var(--mut);text-transform:uppercase}
.approw-b h3{font-family:var(--f-display);font-size:clamp(22px,2.7vw,34px);text-transform:uppercase;letter-spacing:-.04em;margin:12px 0 14px;line-height:1}
.approw-b > p{font-size:14px;line-height:1.72;color:var(--mut)}
.bullets{margin-top:17px;display:flex;flex-direction:column;gap:9px}
.bullets li{font-size:13.5px;line-height:1.55;color:var(--txt);padding-inline-start:20px;position:relative}
.bullets li::before{content:"";position:absolute;inset-inline-start:0;top:.55em;width:8px;height:8px;background:var(--o);clip-path:polygon(0 0,100% 50%,0 100%)}

/* ---------- 13. Spec table ---------- */
.tblwrap{overflow-x:auto;border:1px solid var(--line);background:var(--paper)}
table.spec{width:100%;border-collapse:collapse;min-width:660px;font-size:13.5px}
table.spec th,table.spec td{padding:13px 16px;text-align:start;border-bottom:1px solid var(--line)}
table.spec thead th{background:var(--ink);color:#fff;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;font-weight:600;border-bottom:0}
table.spec tbody tr:nth-child(even){background:var(--bone)}
table.spec td.num{font-family:var(--f-mono);font-size:12px;white-space:nowrap}
table.spec td:first-child{font-weight:700}

/* ---------- 14. Layer diagram (membrane construction) ---------- */
.layers{display:flex;flex-direction:column;gap:3px;max-width:520px}
.layer{
  padding:13px 18px;font-family:var(--f-mono);font-size:11.5px;letter-spacing:.1em;
  display:flex;justify-content:space-between;gap:12px;align-items:center;text-transform:uppercase;
}
.l1{background:var(--ink-3);color:var(--data)}
.l2{background:#233039;color:#B9C7D2}
.l3{background:var(--o);color:#fff}
.l4{background:#233039;color:#B9C7D2}
.l5{background:var(--ink-3);color:var(--data)}
.layer small{opacity:.6;font-size:10px;letter-spacing:.06em}

/* ---------- 15. CTA band ---------- */
.cta{background:var(--o);padding:clamp(34px,4.2vw,58px) 0}
.cta .wrap{display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap}
.cta h2{font-family:var(--f-display);font-size:clamp(22px,2.7vw,34px);color:var(--ink);text-transform:uppercase;letter-spacing:-.035em;line-height:1.12}
.cta p{margin-top:11px;font-size:14.5px;color:var(--o-ink);font-weight:500;max-width:56ch}

/* ---------- 16. Footer ---------- */
.ftr{background:var(--ink);color:#96A1AB;padding:clamp(44px,5vw,70px) 0 0;font-size:13.5px}
.ftr-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:clamp(22px,3vw,44px);padding-bottom:38px}
.ftr h4{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:#fff;margin-bottom:15px;font-weight:600}
.ftr a:hover{color:var(--o-l)}
.ftr li{margin-bottom:9px}
.ftr .about{font-size:13.5px;line-height:1.75;max-width:42ch;margin-top:16px}
.ftr .ctc li{display:flex;gap:9px}
.ftr .ctc span{color:#66727C;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.1em;flex-shrink:0;width:52px;text-transform:uppercase;padding-top:2px}
.ftr-bot{border-top:1px solid #1E262E;padding:20px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:#6B7680}
.ftr-bot .mono{font-size:10.5px}

.notice{
  background:#0D1318;border:1px solid var(--line-d);border-inline-start:4px solid var(--o);
  padding:16px 20px;font-size:12.5px;line-height:1.65;color:var(--mut-d);margin-top:26px;
}
.notice b{color:#DCE4EA}

/* ---------- 17. Forms ---------- */
.form{display:grid;gap:16px;grid-template-columns:repeat(2,1fr)}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--mut);font-weight:600}
.field input,.field select,.field textarea{
  font-family:var(--f-sans);font-size:14.5px;padding:12px 14px;
  border:1px solid var(--line);background:var(--paper);color:var(--txt);width:100%;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--o);outline-offset:-2px;border-color:var(--o)}
.field textarea{min-height:130px;resize:vertical}
.field .err{font-size:12px;color:#C8300B;display:none}
.field.invalid .err{display:block}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:#C8300B}

/* ---------- 18. Misc ---------- */
.imgcap{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.1em;color:var(--mut);text-transform:uppercase;margin-top:9px}
.updated{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.12em;color:var(--mut);text-transform:uppercase}
.sec-ink .updated{color:#6F7C88}

.faq dt{font-family:var(--f-display);font-size:17px;text-transform:uppercase;letter-spacing:-.025em;margin-top:26px;padding-top:22px;border-top:1px solid var(--line)}
.faq dt:first-of-type{border-top:0;margin-top:0;padding-top:0}
.faq dd{margin:11px 0 0;font-size:14.5px;line-height:1.72;color:var(--mut)}
.faq dd strong{color:var(--txt);font-weight:700}

/* ---------- 19. RTL ---------- */
[dir="rtl"] .logo .wm,[dir="rtl"] .display{letter-spacing:0}
[dir="rtl"] .kicker,[dir="rtl"] .mono,[dir="rtl"] .tag{letter-spacing:0}
[dir="rtl"] .hero-r::after{background:linear-gradient(270deg,rgba(10,10,10,.34),transparent 34%)}
[dir="rtl"] .logo .mk{clip-path:polygon(0 100%,50% 0,100% 100%)}
[dir="rtl"] .bullets li::before{clip-path:polygon(100% 0,0 50%,100% 100%)}
[dir="rtl"] .card .more i,[dir="rtl"] .btn i{transform:scaleX(-1)}
[dir="rtl"] .speclist dd,[dir="rtl"] .speclist .v{text-align:start}

/* ---------- 20. Responsive ---------- */
@media(max-width:1080px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .ftr-top{grid-template-columns:1fr 1fr}
}
@media(max-width:900px){
  .hero{grid-template-columns:1fr}
  .hero-r{min-height:290px;order:-1}
  .hero-r::after{background:linear-gradient(0deg,rgba(10,10,10,.3),transparent 40%)}
  .g3,.g2{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stats > div:nth-child(3){border-inline-start:0}
  .stats > div:nth-child(n+3){border-top:1px solid #1E262E}
  .approw{grid-template-columns:1fr}
  .approw:nth-child(even) .approw-img{order:0}
  .approw-img{min-height:230px}
  .form{grid-template-columns:1fr}
  .nav{
    position:fixed;inset:var(--nav-h) 0 auto 0;background:var(--ink-2);
    flex-direction:column;align-items:stretch;gap:0;padding:8px 0 14px;
    border-bottom:1px solid #232D36;display:none;
  }
  .nav[data-open="1"]{display:flex}
  .nav a{padding:13px var(--gut);border-bottom:1px solid #1B242C}
  .nav a:hover,.nav a[aria-current="page"]{border-bottom-color:#1B242C;background:#1A222A}
  .burger{display:block}
  .specstrip li{flex:1 1 50%;border-inline-start:0;border-top:1px solid var(--line-d);white-space:normal}
  .nav .nav-cta{display:block;color:var(--o-l);font-weight:800}
}
@media(max-width:620px){
  /* 询价按钮在窄屏挤爆导航栏 —— 移到汉堡菜单里 */
  .hdr-r > .btn{display:none}
  .logo .sub{display:none}
  .hdr{--nav-h:60px}
}
@media(max-width:560px){
  .g4{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .stats > div{border-inline-start:0;border-top:1px solid #1E262E}
  .stats > div:first-child{border-top:0}
  .ftr-top{grid-template-columns:1fr}
  .cta .wrap{flex-direction:column;align-items:flex-start}
}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .card:hover{transform:none}
}

@media print{
  .hdr,.cta,.burger,.lang{display:none}
  body{background:#fff}
}

/* ============================================================
   21. Interior page furniture (added for sub-pages)
   ============================================================ */
.phero{position:relative;background:var(--ink);display:flex;align-items:flex-end;overflow:hidden;min-height:clamp(280px,32vw,400px)}
.phero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.62}
.phero .veil{position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,8,8,.95) 10%,rgba(8,8,8,.55) 62%,rgba(8,8,8,.22) 100%)}
.phero .wrap{position:relative;padding-block:clamp(30px,4.4vw,56px);width:100%}
.phero .kicker{color:var(--o-l)}
.phero h1{font-family:var(--f-display);color:#fff;font-size:clamp(27px,4.1vw,50px);text-transform:uppercase;letter-spacing:-.04em;margin-top:15px}
.phero > .wrap > p{color:#B7C4CE;margin-top:16px;max-width:64ch;font-size:15.5px;line-height:1.72}

.crumb{display:flex;gap:9px;flex-wrap:wrap;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:#7C8994;margin-bottom:6px}
.crumb a:hover{color:var(--o-l)}
.crumb span[aria-hidden]{opacity:.5}

/* anchored section jump bar */
.jump{background:var(--ink-2);border-bottom:1px solid var(--line-d);position:sticky;top:var(--nav-h);z-index:60}
.jump ul{display:flex;overflow-x:auto;scrollbar-width:none}
.jump ul::-webkit-scrollbar{display:none}
.jump a{
  display:block;padding:14px 20px;font-family:var(--f-mono);font-size:11px;
  letter-spacing:.11em;text-transform:uppercase;color:#94A3AF;white-space:nowrap;
  border-bottom:2px solid transparent;
}
.jump a:hover{color:var(--o-l);border-bottom-color:var(--o)}

/* two-column prose + aside */
.split{display:grid;grid-template-columns:1.35fr .65fr;gap:clamp(24px,3.4vw,52px);align-items:start}
.prose p{font-size:15.5px;line-height:1.78;color:var(--txt);margin-bottom:16px}
.prose p.lead{font-size:17px;line-height:1.72}
.prose h3{font-family:var(--f-display);font-size:19px;text-transform:uppercase;letter-spacing:-.03em;margin:32px 0 12px}
.prose h3:first-child{margin-top:0}
.aside{background:var(--bone);border:1px solid var(--line);padding:22px;position:relative}
.aside::before{content:"";position:absolute;top:-1px;inset-inline-start:-1px;width:52px;height:3px;background:var(--o)}
.aside h4{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.15em;text-transform:uppercase;color:var(--mut);margin-bottom:14px;font-weight:600}
.sec-ink .aside{background:#0D1318;border-color:var(--line-d)}
.sec-ink .aside h4{color:#8FA0AE}

/* scenario chips */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.chip{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;padding:6px 11px;border:1px solid var(--line);background:var(--paper);color:var(--mut)}
.sec-ink .chip{border-color:var(--line-d);background:#0D1318;color:#93A3B1}
.phero .chip{border-color:#37444F;background:rgba(255,255,255,.05);color:#C3D0DA}

/* metric tiles */
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--line)}
.tiles > div{background:var(--paper);padding:26px 22px}
.tiles b{display:block;font-family:var(--f-display);font-size:clamp(28px,3.4vw,40px);color:var(--ink);letter-spacing:-.04em;line-height:.98}
.sec-ink .tiles b{color:#fff}
.tiles span{display:block;margin-top:9px;font-size:12.5px;color:var(--mut);line-height:1.5}
.sec-ink .tiles{background:var(--line-d)}
.sec-ink .tiles > div{background:#0D1318}
.sec-ink .tiles span{color:var(--mut-d)}

/* callout */
.callout{border:1px solid var(--line);border-inline-start:5px solid var(--o);background:var(--bone);padding:20px 24px;margin:26px 0}
.callout p{font-size:14.5px;line-height:1.72;color:var(--txt)}
.callout b{font-weight:800}
.sec-ink .callout{background:#0D1318;border-color:var(--line-d);border-inline-start-color:var(--o)}
.sec-ink .callout p{color:#D3DDE5}

@media(max-width:900px){
  .split{grid-template-columns:1fr}
  .tiles{grid-template-columns:1fr}
  .jump{position:static}
}


/* ============================================================
   22. Editorial full-bleed band — breaks the card-grid rhythm
   (Nike: never two same-scale tiles in a row; a single bleed
   tile is what separates one grid from the next)
   ============================================================ */
.editorial{position:relative;display:flex;align-items:flex-end;overflow:hidden;background:var(--ink);min-height:clamp(360px,46vw,580px)}
.editorial img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.editorial .veil{position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,8,8,.92) 4%,rgba(8,8,8,.3) 56%,rgba(8,8,8,.12) 100%)}
.editorial .wrap{position:relative;width:100%;padding-block:clamp(32px,4.4vw,62px)}
.editorial .cap{font-family:var(--f-mono);font-size:11px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--o-l);margin-bottom:18px}
.editorial h2{font-family:var(--f-display);color:#fff;font-size:clamp(34px,6.6vw,88px);text-transform:uppercase;letter-spacing:-.05em;line-height:.9;max-width:15ch}
.editorial h2 em{font-style:normal;display:block;text-transform:none;letter-spacing:-.02em;font-size:clamp(19px,2.6vw,32px);margin-top:16px;line-height:1.16;color:#E4EBF0}
.editorial > .wrap > p{margin-top:20px;font-size:15px;line-height:1.7;color:#C3CFD8;max-width:52ch}
.editorial .foot{margin-top:28px;display:flex;gap:clamp(22px,4vw,58px);flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.2);padding-top:20px}
.editorial .foot div{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.13em;color:#93A3B1;text-transform:uppercase}
.editorial .foot b{display:block;font-family:var(--f-display);font-size:clamp(20px,2.5vw,30px);color:#fff;letter-spacing:-.035em;margin-top:8px;text-transform:none;line-height:1}
@media(max-width:640px){ .editorial h2{max-width:none} }