/* ============ DIRECTION A — ENGINEERING GRADE ============ */
.a-body { background:
   linear-gradient(var(--line-soft) 1px, transparent 1px) 0 0 / 100% 88px,
   var(--bg-base); }

/* header */
.hdr { position: sticky; top: 0; z-index: 50; background: rgba(8,9,11,.82);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); transition: padding .2s; }
.hdr.is-scrolled { background: rgba(8,9,11,.94); }
.hdr__bar { display: flex; align-items: center; gap: 28px; height: 72px; }
.brand { display: flex; align-items: baseline; gap: 9px; font-family: var(--font-display);
  font-weight: 800; font-size: 25px; letter-spacing: .02em; text-transform: uppercase; }
.brand b { color: var(--primary-color); }
.brand .mk { width: 10px; height: 10px; background: var(--primary-color); transform: translateY(-2px); }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a { font-family: var(--font-display); font-weight: 600; font-size: 14.5px; letter-spacing: .04em;
  text-transform: uppercase; color: var(--text-muted); padding: 8px 14px; transition: color .15s; }
.nav a:hover { color: var(--text); }
.hdr__tools { display: flex; align-items: center; gap: 14px; }
.lang { display: flex; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.lang button { font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; padding: 7px 10px;
  background: transparent; color: var(--text-dim); }
.lang button[aria-pressed="true"] { background: var(--primary-color); color: #fff; }
.navtog { display: none; background: transparent; border: 1px solid var(--line); border-radius: var(--radius);
  width: 42px; height: 38px; align-items: center; justify-content: center; }
.navtog svg { width: 20px; height: 20px; }

/* hero */
.hero { position: relative; padding: clamp(40px,7vw,90px) 0 0; overflow: hidden; }
.hero__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(24px,4vw,56px); align-items: end; }
.hero__id { font-family: var(--font-mono); font-size: 11px; letter-spacing: .2em; color: var(--text-dim);
  text-transform: uppercase; margin-bottom: 22px; display: flex; gap: 18px; flex-wrap: wrap; }
.hero__id span b { color: var(--primary-color); font-weight: 700; }
.hero h1 { font-family: var(--font-display); font-weight: 800; line-height: .92; text-transform: uppercase;
  font-size: clamp(48px, 8vw, 104px); letter-spacing: -.01em; margin-bottom: 24px; }
.hero h1 em { font-style: normal; color: var(--primary-color); }
.hero__lead { font-size: clamp(16px,1.5vw,19px); color: var(--text-muted); max-width: 46ch; margin-bottom: 30px; }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__vis { aspect-ratio: 4/3.6; border-radius: var(--radius); }
.hero__readout { display: grid; grid-template-columns: repeat(3,1fr); border: 1px solid var(--line);
  border-bottom: 0; margin-top: clamp(40px,6vw,76px); }
.ro { padding: 22px clamp(16px,2vw,28px); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.ro:last-child { border-right: 0; }
.ro .k { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--text-dim); }
.ro .v { font-family: var(--font-display); font-weight: 700; font-size: clamp(30px,3.5vw,46px); line-height: 1; margin-top: 8px; }
.ro .v small { font-size: .42em; color: var(--text-muted); font-weight: 500; }

/* section heading */
.sec { padding: clamp(56px,8vw,110px) 0; }
.sec__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px;
  border-bottom: 1px solid var(--line); padding-bottom: 22px; margin-bottom: 44px; }
.sec__head h2 { font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  font-size: clamp(28px,4vw,52px); line-height: 1; letter-spacing: -.005em; }
.sec__head p { color: var(--text-muted); max-width: 38ch; font-size: 15px; }

/* product grid */
.prods { display: grid; grid-template-columns: repeat(12,1fr); gap: 1px; background: var(--line);
  border: 1px solid var(--line); }
.prod { background: var(--bg-900); padding: 0; position: relative; display: flex; flex-direction: column;
  transition: background .2s; min-height: 300px; }
.prod:hover { background: var(--bg-800); }
.prod--lg { grid-column: span 6; }
.prod--sm { grid-column: span 3; }
.prod__img { aspect-ratio: 16/10; }
.prod--sm .prod__img { aspect-ratio: 4/3; }
.prod__body { padding: 22px 24px 26px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.prod__idx { font-family: var(--font-mono); font-size: 11px; color: var(--primary-color); letter-spacing: .14em; }
.prod__t { font-family: var(--font-display); font-weight: 700; text-transform: uppercase; font-size: 23px; line-height: 1.04; }
.prod--lg .prod__t { font-size: 30px; }
.prod__d { font-size: 14px; color: var(--text-muted); }
.prod__go { margin-top: auto; font-family: var(--font-display); font-weight: 600; text-transform: uppercase;
  font-size: 13.5px; letter-spacing: .05em; color: var(--text); display: inline-flex; align-items: center; gap: 8px; }
.prod__go svg { width: 15px; height: 15px; color: var(--primary-color); transition: transform .2s; }
.prod:hover .prod__go svg { transform: translateX(4px); }

/* featured spec */
.feat { background: var(--bg-900); border: 1px solid var(--line); border-radius: var(--radius);
  display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; }
.feat__media { position: relative; min-height: 420px; }
.feat__tag { position: absolute; top: 20px; left: 20px; z-index: 2; background: var(--primary-color);
  color: #fff; font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em; padding: 6px 12px; text-transform: uppercase; }
.feat__info { padding: clamp(28px,4vw,54px); }
.feat__info h3 { font-family: var(--font-display); font-weight: 800; text-transform: uppercase;
  font-size: clamp(30px,3.6vw,48px); line-height: .96; margin: 14px 0 16px; }
.feat__info > p { color: var(--text-muted); margin-bottom: 28px; max-width: 44ch; }
.spec { width: 100%; border-top: 1px solid var(--line); font-family: var(--font-mono); font-size: 13px; }
.spec div { display: flex; justify-content: space-between; padding: 13px 2px; border-bottom: 1px solid var(--line-soft); }
.spec div .k { color: var(--text-dim); letter-spacing: .08em; text-transform: uppercase; font-size: 11px; }
.spec div .v { color: var(--text); }
.spec div .v b { color: var(--primary-color); }

/* capability strip */
.cap { background: var(--bg-900); border-block: 1px solid var(--line); }
.cap__grid { display: grid; grid-template-columns: repeat(4,1fr); }
.cap__c { padding: clamp(34px,5vw,64px) clamp(16px,2vw,34px); border-right: 1px solid var(--line); }
.cap__c:last-child { border-right: 0; }
.cap__c .n { font-family: var(--font-display); font-weight: 800; font-size: clamp(40px,5vw,68px); line-height: 1; }
.cap__c .n em { font-style: normal; color: var(--primary-color); }
.cap__c .l { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--text-muted); margin-top: 12px; }

/* CTA band */
.ctaband { position: relative; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius);
  background: radial-gradient(120% 160% at 80% 0%, rgba(255,59,48,.16), transparent 55%), var(--bg-900);
  padding: clamp(40px,6vw,80px); display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap; }
.ctaband h2 { font-family: var(--font-display); font-weight: 800; text-transform: uppercase;
  font-size: clamp(30px,4.5vw,60px); line-height: .94; }
.ctaband p { color: var(--text-muted); margin-top: 12px; max-width: 40ch; }

/* footer */
.ft { border-top: 1px solid var(--line); padding: clamp(48px,6vw,80px) 0 32px; }
.ft__top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 44px; border-bottom: 1px solid var(--line-soft); }
.ft h4 { font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 16px; }
.ft li { margin-bottom: 9px; }
.ft a { color: var(--text-muted); font-size: 14.5px; }
.ft a:hover { color: var(--primary-color); }
.ft__about { max-width: 34ch; color: var(--text-muted); font-size: 14.5px; margin-top: 14px; }
.ft__bot { display: flex; justify-content: space-between; padding-top: 24px; font-family: var(--font-mono);
  font-size: 11.5px; letter-spacing: .08em; color: var(--text-dim); flex-wrap: wrap; gap: 12px; }

.has-js [data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease;}
.has-js [data-reveal].is-in{opacity:1;transform:none;}

@media (max-width: 980px){
  .nav{display:none;}
  .hero__grid,.feat{grid-template-columns:1fr;} .cap__grid{grid-template-columns:repeat(2,1fr);}
  .cap__c:nth-child(2){border-right:0;} .cap__c{border-bottom:1px solid var(--line);}
  .prod--lg,.prod--sm{grid-column:span 6;} .feat__media{min-height:320px;}
}
@media (max-width: 600px){
  .prod--lg,.prod--sm{grid-column:span 12;} .hero__readout{grid-template-columns:1fr;}
  .ro{border-right:0;} .cap__grid{grid-template-columns:1fr;} .cap__c{border-right:0;}
  .ft__top{grid-template-columns:1fr 1fr;}
}