:root{--fe-paper:#f2f0ea;--fe-ink:#15191d;--fe-muted:#5f666b;--fe-line:rgba(21,25,29,.2);--fe-orange:#f14a24;--fe-cyan:#86bbc4;--fe-steel:#d9e0e2;--fe-dark:#0b1115;--fe-blue:#1c3038}.ftdi-signal-editorial{background:var(--fe-paper);color:var(--fe-ink)}.ftdi-signal-editorial .header{position:sticky;top:0;z-index:1000}.ftdi-signal-editorial .pcc-main{max-width:none;padding:0}.ftdi-signal-editorial .pcc-hero{position:relative;min-height:clamp(530px,54vw,690px);padding:0;overflow:hidden;background:#070b0e;color:#fff}.ftdi-signal-editorial .pcc-hero-grid{position:absolute;inset:0;display:block}.ftdi-signal-editorial .pcc-hero-media{position:absolute;inset:0;margin:0}.ftdi-signal-editorial .pcc-hero-media img{width:100%;height:100%;object-fit:cover;object-position:54% center;filter:brightness(.42) saturate(.72) contrast(1.08);transform:scale(1.01)}.ftdi-signal-editorial .pcc-hero-media:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,8,11,.98) 0%,rgba(4,8,11,.92) 31%,rgba(4,8,11,.64) 54%,rgba(4,8,11,.15) 80%,rgba(4,8,11,.28) 100%)}.ftdi-signal-editorial .pcc-breadcrumb{position:relative;z-index:2;width:min(1160px,calc(100% - 64px));margin:auto;padding-top:27px;color:rgba(255,255,255,.52)}.ftdi-signal-editorial .pcc-breadcrumb a{color:inherit}.ftdi-signal-editorial .pcc-hero-copy{position:relative;z-index:2;width:min(1160px,calc(100% - 64px));margin:auto;padding:96px 0 52px}.ftdi-signal-editorial .pcc-hero-copy>*{max-width:685px}.ftdi-signal-editorial .pcc-kicker{color:var(--fe-orange);font-size:12px;letter-spacing:.15em}.ftdi-signal-editorial .pcc-hero h1{font-size:clamp(52px,6.7vw,88px);line-height:.98;letter-spacing:-.047em;margin:22px 0 32px;text-wrap:balance}.ftdi-signal-editorial .pcc-copy-label{font-size:11px;letter-spacing:.15em;color:var(--fe-orange)}.ftdi-signal-editorial .pcc-hero #pcc-intro{font-size:18px;line-height:1.76;color:rgba(255,255,255,.78);text-indent:2em;margin-top:12px}.ftdi-signal-editorial .pcc-actions{margin-top:30px;display:flex;align-items:center;gap:26px}.ftdi-signal-editorial .pcc-back-link{color:#fff;border-bottom:1px solid rgba(255,255,255,.45);padding-bottom:7px}.fe-page{overflow:hidden}.fe-opening{width:min(1160px,calc(100% - 64px));margin:0 auto;padding:62px 0 48px;display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}.fe-opening-copy>span{display:block;color:var(--fe-orange);font-size:11px;letter-spacing:.16em;margin-bottom:12px}.fe-opening h2{font-size:clamp(39px,4.6vw,60px);line-height:1.02;letter-spacing:-.042em;margin:0 0 18px}.fe-opening p,.fe-story p,.fe-faq p,.fe-note p,.fe-release p{font-size:15px;line-height:1.82;color:var(--fe-muted);text-indent:2em;margin:0}.fe-opening .fe-lead{font-size:18px;color:#343b3f;margin-bottom:22px}.fe-opening h3{font-size:22px;line-height:1.3;margin:0 0 8px}.fe-opening dl{display:grid;grid-template-columns:repeat(3,1fr);margin:25px 0 0;border-top:1px solid var(--fe-line);padding-top:14px}.fe-opening dl div+div{border-left:1px solid var(--fe-line);padding-left:14px}.fe-opening dt{font-size:10px;color:var(--fe-orange);letter-spacing:.13em}.fe-opening dd{margin:6px 0 0;font-size:12px;color:#596166}.fe-photo{margin:0;overflow:hidden}.fe-photo img{display:block;width:100%;object-fit:cover;transition:transform .65s cubic-bezier(.2,.7,.2,1),filter .45s}.fe-photo figcaption{font-size:11px;line-height:1.5;color:#70777b;margin-top:8px}.fe-opening-photo{position:relative}.fe-opening-photo:before{content:"USB / UART";position:absolute;left:-28px;bottom:48px;padding:10px 13px;background:var(--fe-orange);color:#fff;font-size:10px;letter-spacing:.12em;z-index:2}.fe-opening-photo img{height:388px;filter:contrast(1.08) saturate(.73)}.fe-nav{width:min(1160px,calc(100% - 64px));margin:0 auto 10px;display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--fe-line);border-bottom:1px solid var(--fe-line)}.fe-nav a{display:flex;gap:10px;align-items:center;padding:16px 13px;color:var(--fe-ink);font-size:12px;transition:.25s}.fe-nav a+a{border-left:1px solid var(--fe-line)}.fe-nav b{font-size:10px;color:var(--fe-orange)}.fe-nav a:hover{background:#fff;transform:translateY(-2px)}.fe-section,.fe-faq{padding:56px max(32px,calc((100vw - 1160px)/2))}.fe-header{display:grid;grid-template-columns:52px 1fr;gap:21px;border-bottom:1px solid var(--fe-line);padding-bottom:17px;margin-bottom:30px;opacity:0;transform:translateY(10px);transition:.6s ease}.fe-header.is-visible{opacity:1;transform:none}.fe-header>span{font-size:11px;color:var(--fe-orange);padding-top:6px}.fe-header p{font-size:10px;color:var(--fe-orange);letter-spacing:.16em;margin:0 0 7px}.fe-header h2{font-size:clamp(31px,3.6vw,47px);letter-spacing:-.037em;line-height:1.07;margin:0;max-width:930px}.fe-story,.fe-note{opacity:0;transform:translateY(12px);transition:.65s ease}.fe-story.is-visible,.fe-note.is-visible{opacity:1;transform:none}.fe-story:hover .fe-photo img{transform:scale(1.018);filter:contrast(1.06)}.fe-copy h3{font-size:21px;line-height:1.27;margin:0 0 9px}.fe-core{background:#dfe5e5}.fe-core-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:46px}.fe-chip{display:grid;grid-template-columns:.86fr 1.14fr;gap:29px;align-items:center}.fe-chip .fe-photo img{height:290px;object-fit:contain;background:#fff}.fe-chip .fe-copy h3{font-size:27px}.fe-level{border-left:1px solid var(--fe-line);padding-left:40px}.fe-level .fe-photo img{height:205px;object-fit:contain;background:#f7f7f5}.fe-level .fe-copy{padding-top:17px}.fe-note{margin:28px 0 0 34%;border-top:1px solid var(--fe-line);padding-top:16px;display:grid;grid-template-columns:150px 1fr;gap:22px}.fe-note strong{font-size:10px;letter-spacing:.14em;color:var(--fe-orange)}.fe-map{background:#f5f3ed}.fe-map-grid{display:grid;grid-template-columns:.76fr 1.24fr;gap:0;align-items:start}.fe-map .fe-story{padding:0 36px}.fe-map .fe-story:first-child{padding-left:0}.fe-map .fe-story:last-child{padding-right:0;border-left:1px solid var(--fe-line)}.fe-pinout{display:grid;grid-template-columns:.82fr 1.18fr;gap:25px}.fe-pinout .fe-photo img{height:260px}.fe-endpoints{display:grid;grid-template-columns:1.05fr .95fr;gap:28px}.fe-endpoints .fe-photo img{height:260px}.fe-build{background:var(--fe-dark);color:#fff}.fe-build .fe-header{border-color:rgba(255,255,255,.18)}.fe-build .fe-header h2{color:#fff}.fe-build-grid{display:grid;grid-template-columns:1.13fr .87fr;grid-template-areas:"driver protection" "driver mechanics";gap:0}.fe-build .fe-story{padding:0 28px}.fe-driver{grid-area:driver;padding-left:0!important;display:grid;grid-template-columns:1.05fr .95fr;gap:28px}.fe-protection{grid-area:protection;border-left:1px solid rgba(255,255,255,.17);padding-right:0!important}.fe-mechanics{grid-area:mechanics;border-left:1px solid rgba(255,255,255,.17);border-top:1px solid rgba(255,255,255,.17);padding:27px 0 0 28px!important;margin-top:27px}.fe-driver .fe-photo img{height:390px}.fe-protection .fe-photo img,.fe-mechanics .fe-photo img{height:165px}.fe-build .fe-copy{padding-top:17px}.fe-build .fe-copy h3{color:#fff}.fe-build .fe-copy p,.fe-build figcaption{color:rgba(255,255,255,.62)}.fe-use{background:#d3e0e4}.fe-use-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:48px;align-items:start}.fe-applications{display:grid;grid-template-columns:1.05fr .95fr;gap:29px;align-items:center}.fe-applications .fe-photo img{height:330px}.fe-applications .fe-copy h3{font-size:27px}.fe-validation{border-left:1px solid var(--fe-line);padding-left:39px}.fe-validation .fe-photo img{height:215px}.fe-validation .fe-copy{padding-top:17px}.fe-release{background:#f2efe8}.fe-release-grid{display:grid;grid-template-columns:1.26fr .74fr;gap:50px}.fe-release-lead{font-size:17px!important;color:#333a3e!important;margin-bottom:21px!important}.fe-release ol{display:grid;grid-template-columns:1fr 1fr;list-style:none;margin:0;padding:0;border-top:1px solid var(--fe-line)}.fe-release li{display:flex;gap:13px;padding:14px 17px 13px 0;border-bottom:1px solid var(--fe-line);font-size:13px;line-height:1.54}.fe-release li:nth-child(even){border-left:1px solid var(--fe-line);padding-left:17px}.fe-release li b{font-size:10px;color:var(--fe-orange)}.fe-release aside{background:var(--fe-blue);color:#fff;padding:29px}.fe-release aside>span{font-size:10px;letter-spacing:.15em;color:var(--fe-orange)}.fe-release aside>p{color:rgba(255,255,255,.72);margin:14px 0 23px}.fe-proof{border-top:1px solid rgba(255,255,255,.18);display:grid;grid-template-columns:88px 1fr;padding-top:8px}.fe-proof b,.fe-proof em{padding:9px 0;border-bottom:1px solid rgba(255,255,255,.13);font-size:11px}.fe-proof em{font-style:normal;color:rgba(255,255,255,.62);line-height:1.5}.fe-faq{background:#e7e6e1}.fe-faq>div{display:grid;grid-template-columns:1fr 1fr;column-gap:43px}.fe-faq details{border-top:1px solid var(--fe-line);padding:16px 0}.fe-faq summary{cursor:pointer;font-weight:750;font-size:17px}.fe-faq details p{margin-top:9px}.fe-credits{width:min(1160px,calc(100% - 64px));margin:25px auto 54px;color:#656c70;font-size:12px}.fe-credits summary{cursor:pointer;font-weight:700}.fe-credits p{text-indent:2em}.fe-credits a{color:var(--fe-orange)}.ftdi-signal-editorial .pcc-closing{margin:0;background:#dce2e2}.fe-error{padding:80px 32px;text-align:center}
@media(max-width:920px){.fe-opening{gap:34px}.fe-core-grid,.fe-use-grid,.fe-release-grid{grid-template-columns:1fr}.fe-level,.fe-validation{border-left:0;border-top:1px solid var(--fe-line);padding:28px 0 0;margin-top:28px}.fe-note{margin-left:0}.fe-map-grid{grid-template-columns:1fr}.fe-map .fe-story{padding:0}.fe-map .fe-story:last-child{border-left:0;border-top:1px solid var(--fe-line);padding-top:28px;margin-top:28px}.fe-build-grid{grid-template-columns:1fr 1fr;grid-template-areas:"driver driver" "protection mechanics"}.fe-driver{padding-right:0!important;margin-bottom:28px}.fe-protection{border-left:0;padding-left:0!important}.fe-mechanics{border-top:0;margin-top:0;padding-top:0!important}}
@media(max-width:640px){.ftdi-signal-editorial .pcc-hero{min-height:670px}.ftdi-signal-editorial .pcc-breadcrumb{width:calc(100% - 40px);padding-top:20px}.ftdi-signal-editorial .pcc-hero-copy{width:calc(100% - 40px);padding:78px 0 42px}.ftdi-signal-editorial .pcc-hero-copy>*{max-width:none}.ftdi-signal-editorial .pcc-hero h1{font-size:clamp(44px,13vw,58px)}.ftdi-signal-editorial .pcc-hero #pcc-intro{font-size:16px;line-height:1.68}.ftdi-signal-editorial .pcc-hero-media img{object-position:58% center;filter:brightness(.32) saturate(.6)}.ftdi-signal-editorial .pcc-hero-media:after{background:linear-gradient(180deg,rgba(4,8,11,.64) 0%,rgba(4,8,11,.9) 50%,rgba(4,8,11,.86) 100%)}.fe-opening{grid-template-columns:1fr;width:100%;gap:26px;padding:45px 20px 0}.fe-opening h2{font-size:38px}.fe-opening dl{gap:8px}.fe-opening dl div+div{padding-left:9px}.fe-opening-photo{margin:0 -20px}.fe-opening-photo:before{display:none}.fe-opening-photo img{height:auto;aspect-ratio:16/9}.fe-nav{width:calc(100% - 40px);grid-template-columns:1fr 1fr;margin-top:27px}.fe-nav a:nth-child(odd){border-left:0}.fe-nav a:last-child{grid-column:1/-1;border-top:1px solid var(--fe-line)}.fe-section,.fe-faq{padding:43px 20px}.fe-header{grid-template-columns:34px 1fr;gap:12px;margin-bottom:24px}.fe-header h2{font-size:32px}.fe-core-grid,.fe-map-grid,.fe-build-grid,.fe-use-grid,.fe-release-grid,.fe-faq>div{grid-template-columns:1fr}.fe-chip,.fe-pinout,.fe-endpoints,.fe-driver,.fe-applications{grid-template-columns:1fr;gap:18px}.fe-chip .fe-photo img,.fe-level .fe-photo img,.fe-pinout .fe-photo img,.fe-endpoints .fe-photo img,.fe-driver .fe-photo img,.fe-protection .fe-photo img,.fe-mechanics .fe-photo img,.fe-applications .fe-photo img,.fe-validation .fe-photo img{height:auto;aspect-ratio:4/3}.fe-chip .fe-photo img,.fe-level .fe-photo img{object-fit:contain}.fe-note{grid-template-columns:1fr;gap:8px}.fe-build-grid{grid-template-areas:"driver" "protection" "mechanics"}.fe-driver{margin-bottom:0}.fe-build .fe-story,.fe-build .fe-driver,.fe-build .fe-protection,.fe-build .fe-mechanics{padding:0 0 25px!important}.fe-build .fe-story+.fe-story{border-left:0;border-top:1px solid rgba(255,255,255,.18);padding-top:25px!important}.fe-applications .fe-copy h3,.fe-chip .fe-copy h3{font-size:23px}.fe-release ol{grid-template-columns:1fr}.fe-release li:nth-child(even){border-left:0;padding-left:0}.fe-release aside{padding:24px}.fe-credits{width:calc(100% - 40px)}.ftdi-signal-editorial .pcc-actions{display:flex}.ftdi-signal-editorial .pcc-actions .btn,.ftdi-signal-editorial .pcc-back-link{font-size:13px;white-space:nowrap}}
.fe-header,.fe-story,.fe-note{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.fe-header,.fe-story,.fe-note{transition:none}.fe-nav a,.fe-photo img{transition:none}}
/* 2026-09 hero baseline: restore the left edge and reduce empty vertical field. */
.ftdi-signal-editorial .pcc-hero{min-height:clamp(520px,46vw,580px)}
.ftdi-signal-editorial .pcc-hero-copy{max-width:none;padding:84px 0 40px}
@media(max-width:640px){.ftdi-signal-editorial .pcc-hero{min-height:625px}.ftdi-signal-editorial .pcc-hero-copy{padding:70px 0 36px}}
@media(min-width:641px){html[lang=en] .ftdi-signal-editorial .pcc-hero{min-height:610px}html[lang=en] .ftdi-signal-editorial .pcc-hero h1{font-size:clamp(46px,5.5vw,72px);margin:16px 0 22px}}
@media(max-width:640px){.ftdi-signal-editorial .pcc-hero h1{margin:14px 0 20px}.ftdi-signal-editorial .pcc-copy-label{margin-top:20px}.ftdi-signal-editorial .pcc-actions{margin-top:20px}html[lang=en] .ftdi-signal-editorial .pcc-hero{min-height:655px}html[lang=en] .ftdi-signal-editorial .pcc-hero-copy{padding-top:54px}html[lang=en] .ftdi-signal-editorial .pcc-hero #pcc-intro{font-size:15px;line-height:1.58}}