:root {
  color-scheme: dark;
  --bg: #101110;
  --bg-raised: #171918;
  --line: #343633;
  --green: #7cff9e;
  --white: #f4f3ef;
  --text: #d4d3ce;
  --muted: #a6aaa3;
  --gutter: clamp(22px, 5.5vw, 88px);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 16px/1.55 var(--font-body); }
a { color: inherit; }
button { font: inherit; }
.v2-header { position: sticky; inset: 0 0 auto; z-index: 20; min-height: 82px; display: flex; align-items: center; justify-content: flex-start; gap: 28px; padding: 12px var(--gutter); background: rgba(16,17,16,.94); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.v2-brand { display: flex; align-items: center; min-width: 168px; }
.v2-brand img { display: block; width: 178px; height: auto; mix-blend-mode: screen; }
.v2-nav { display: flex; flex: 1 1 auto; align-items: center; justify-content: center; gap: clamp(24px,2vw,36px); min-width: 0; }
@media (min-width: 1201px) { .v2-header:has(.v2-nav-cta) .v2-nav { margin-right: clamp(140px,10vw,160px); } }
.v2-nav a { color: #F5F5F5; font: 600 15px/1.4 "Open Sans",sans-serif; letter-spacing: .06em; text-decoration: none; text-transform: uppercase; transition: color .2s ease; white-space: nowrap; }
.v2-nav a:hover, .v2-nav a:focus-visible, .v2-nav a[aria-current="page"] { color: var(--green); }
.v2-nav .v2-nav-cta { position: absolute; top: 0; right: var(--gutter); bottom: 0; height: max-content; margin-block: auto; padding: 10px 14px; border: 1px solid var(--green); color: var(--green); }
.v2-menu { display: none; width: 42px; height: 42px; align-items: center; justify-content: center; border: 1px solid #50524e; background: transparent; color: var(--white); cursor: pointer; }
.v2-menu svg { width: 20px; height: 20px; }
@media (max-width: 1200px) {
  .v2-menu { display: flex; flex: 0 0 42px; margin-left: auto; }
  .v2-nav { display: none; position: absolute; inset: 100% 0 auto; z-index: 21; margin: 0; padding: 8px 24px 18px; background: #101110; border-bottom: 1px solid var(--line); align-items: stretch; flex-direction: column; gap: 0; }
  .v2-nav.is-open { display: flex; }
  .v2-nav a { padding: 13px 0; border-bottom: 1px solid var(--line); }
  .v2-nav .v2-nav-cta { position: static; height: auto; align-self: flex-start; margin: 12px 0 0; padding: 10px 14px; border: 1px solid var(--green); }
  .v2-nav .language-switch { margin: 12px 0 4px; }
}
.materials-wrap { width: min(1280px, calc(100% - var(--gutter) - var(--gutter))); margin-inline: auto; }
.materials-hero { position: relative; overflow: hidden; padding: 24px 0 0; border-bottom: 1px solid var(--line); background: radial-gradient(ellipse at 78% 56%, rgba(124,255,158,.055), transparent 37%), #111211; }
.materials-hero::after { position: absolute; inset: 0 0 0 auto; width: min(48vw, 650px); pointer-events: none; content: ""; opacity: .16; background-image: linear-gradient(rgba(124,255,158,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(124,255,158,.12) 1px,transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(90deg,transparent,#000 35%,#000); }
.breadcrumbs { position: relative; z-index: 1; display: flex; align-items: center; gap: 10px; color: #858a83; font: 400 10px/1.4 var(--font-body); letter-spacing: .06em; text-transform: uppercase; }
.breadcrumbs a { text-decoration: none; transition: color .2s ease; }
.breadcrumbs a:hover { color: var(--green); }
.breadcrumbs [aria-current="page"] { color: #c8cbc5; }
.hero-copy { position: relative; z-index: 1; padding: clamp(40px,5vw,68px) 0 clamp(40px,4.5vw,62px); }
.eyebrow { margin: 0; color: var(--green); font: 500 10px/1.4 var(--font-body); letter-spacing: .16em; text-transform: uppercase; }
.signal-dot { display: inline-block; width: 7px; height: 7px; margin-right: 11px; border-radius: 50%; background: var(--green); vertical-align: 1px; }
.hero-copy h1 { margin: 19px 0 16px; color: var(--white); font: 700 clamp(56px,8vw,100px)/.92 var(--font-display); letter-spacing: -.045em; }
.hero-copy h1.materials-title { font-family: Arial, sans-serif !important; font-weight: 700; letter-spacing: .03em; }
.hero-description { max-width: 62ch; margin: 0; color: #c0c3bd; font-size: clamp(16px,1.5vw,19px); line-height: 1.6; }
.materials-content { padding: 28px 0 clamp(68px,8vw,104px); }
.editorial-rows { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); column-gap: clamp(28px,2.5vw,36px); row-gap: clamp(52px,4.4vw,64px); }
.material-card {
  min-width: 0;
  overflow: visible;
  border: 1px solid rgba(10,20,15,.08);
  border-radius: 11px;
  background: #fff;
  transition: border-color .2s ease;
}
.material-card:hover { border-color: rgba(10,20,15,.16); }
.material-card-link { display: block; color: inherit; text-decoration: none; }
.material-card-link:focus-visible { outline: 1px solid var(--green); outline-offset: 7px; }
.material-card-link:hover h2 { color: #176B38; }
.material-card-link h2 { transition: color .18s ease; }
.material-cover { position: relative; display: grid; aspect-ratio: 4 / 3; overflow: hidden; border-radius: 10px 10px 0 0; place-items: center; background: radial-gradient(ellipse at 50% 65%,rgba(124,255,158,.09),transparent 55%),#151715; }
.material-cover::after { position: absolute; inset: 0; border: 1px solid rgba(244,243,239,.06); pointer-events: none; content: ""; }
.material-cover img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; transition: transform .45s cubic-bezier(.2,.7,.2,1),filter .35s ease; }
.material-card:hover .material-cover img { transform: scale(1.015); filter: brightness(1.045); }
.cover-index { position: absolute; right: 12px; bottom: 11px; z-index: 1; padding: 6px 8px; background: rgba(13,15,13,.82); color: #c4c7c1; font: 500 8px/1 var(--font-body); letter-spacing: .12em; }
.material-card-copy { padding: 16px 18px 20px; }
.material-category { margin: 0 0 8px; color: #176B38; font: 500 9px/1.4 var(--font-body); letter-spacing: .12em; text-transform: uppercase; }
.material-category span { color: #687168; }
.material-card h2 { margin: 0 0 8px; color: #111311; font: 600 clamp(20px,1.65vw,25px)/1.16 var(--font-display); letter-spacing: -.018em; }
.material-description { margin: 0; color: #454945; font-size: 13px; line-height: 1.5; }
.material-status { margin: 13px 0 0; color: #687168; font: 400 8px/1.4 var(--font-body); letter-spacing: .07em; text-transform: uppercase; }
.empty-state[hidden] { display: none; }
.fpv-footer{width:100%;background:#f8f8f4;color:#202522;border-top:0;}
.fpv-footer *{box-sizing:border-box;}
.fpv-footer-inner{width:min(1320px,100%);margin-inline:auto;padding-left:clamp(22px,3.5vw,50px);padding-right:clamp(22px,4.2vw,60px);}
.fpv-footer-topline{height:1px;background:#dedfd9;margin-bottom:clamp(20px,1.8vw,24px);}
.fpv-footer-grid{display:grid;grid-template-columns:23fr 19fr 22fr 36fr;gap:clamp(22px,2.3vw,32px);align-items:start;}
.fpv-footer-legal{display:flex;flex-direction:column;align-items:flex-start;gap:3px;width:100%;margin-top:22px;padding-top:9px;border-top:1px solid #dedfd9;color:#5a5f5a;font-size:13px;line-height:1.4;}
.fpv-footer-legal p{margin:0;overflow-wrap:anywhere;}
.fpv-footer-legal-heading{margin:0 0 2px;color:#292d29;font:600 12px/1.4 var(--font-body);}
.fpv-footer-iban{direction:ltr;unicode-bidi:isolate;overflow-wrap:anywhere;word-break:normal;}
.fpv-footer-legal span{color:#292d29;font-weight:600;}
.fpv-footer-brand{position:relative;left:calc(-1 * clamp(22px,3.5vw,50px));}
.fpv-footer-brand-logo{display:block;width:min(100%,218px);height:auto;margin:0 0 14px;}
.fpv-footer-description{max-width:31ch;margin:0;color:#3b403b;font-size:16px;line-height:1.55;}
.fpv-footer-heading{margin:0 0 10px;color:#111311;font-family:var(--font-display);font-size:18px;font-weight:650;line-height:1.3;letter-spacing:-.015em;}
.fpv-footer-links,.fpv-footer-contact-list{display:flex;flex-direction:column;align-items:flex-start;gap:16px;margin:0;padding:0;list-style:none;}
.fpv-footer-links{gap:9px;}
.fpv-footer-contact-list{gap:8px;}
.fpv-footer a{color:#292d29;text-decoration:none;text-underline-offset:4px;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
.fpv-footer-links a,.fpv-footer-contact-list a{font-size:15.5px;line-height:1.4;}
.fpv-footer a:hover{color:#23894a;}
.fpv-footer a:focus-visible{outline:2px solid #258c4c;outline-offset:4px;border-radius:2px;}
.fpv-footer-contact-list li{display:flex;flex-wrap:wrap;column-gap:8px;row-gap:2px;color:#5a5f5a;font-size:13px;line-height:1.45;}
.fpv-footer-contact-list a{color:#292d29;overflow-wrap:anywhere;}
.fpv-footer-socials{display:flex;align-items:center;flex-wrap:wrap;gap:12px;}
.fpv-footer-socials a{display:inline-flex;width:48px;height:48px;align-items:center;justify-content:center;border:1px solid #c8ccc8;border-radius:50%;background:#fbfbf8;color:#292d29;}
.fpv-footer-socials a:hover{border-color:#42a963;color:#23894a;background:#fff;}
.fpv-footer-socials svg{display:block;width:19px;height:19px;fill:currentColor;}
.fpv-footer-bottom-rule{height:1px;margin-top:22px;background:#dedfd9;}
.fpv-footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:12px 0 12px;color:#4b504b;font-size:14px;line-height:1.45;}
.fpv-footer-bottom p{margin:0;}
.fpv-footer-bottom a{color:#4b504b;}
.fpv-footer-bottom a:hover{color:#111311;}
@media(min-width:961px){
  .fpv-footer-legal-heading,.fpv-footer-iban-row,.fpv-footer-payment-purpose{white-space:nowrap;}
}
@media(max-width:960px){
  .fpv-footer-legal-heading,.fpv-footer-iban-row,.fpv-footer-payment-purpose{white-space:normal;overflow-wrap:anywhere;}
}
@media(max-width:1080px){
  .fpv-footer-grid{grid-template-columns:1.15fr 1fr;column-gap:clamp(32px,7vw,80px);row-gap:20px;}
  .fpv-footer-topline{margin-bottom:22px;}
  .fpv-footer-bottom-rule{margin-top:22px;}
}
@media(max-width:620px){
  .fpv-footer-inner{padding-inline:22px;}
  .fpv-footer-topline{margin-bottom:22px;}
  .fpv-footer-grid{grid-template-columns:minmax(0,1fr);gap:16px;}
  .fpv-footer-brand{left:0;}
  .fpv-footer-legal{gap:3px;margin-top:22px;padding-top:9px;}
  .fpv-footer-brand-logo{width:194px;margin-bottom:12px;}
  .fpv-footer-description{font-size:15px;}
  .fpv-footer-heading{margin-bottom:9px;font-size:17px;}
  .fpv-footer-links{gap:9px;}
  .fpv-footer-contact-list{gap:12px;}
  .fpv-footer-links a,.fpv-footer-contact-list a{font-size:15px;}
  .fpv-footer-bottom-rule{margin-top:22px;}
  .fpv-footer-bottom{align-items:flex-start;flex-direction:column;gap:8px;padding:12px 0 14px;font-size:13px;}
}

@media (max-width: 980px) {
  .editorial-rows { grid-template-columns: repeat(2,minmax(0,1fr)); column-gap: 24px; row-gap: 44px; }
}
@media (max-width: 720px) {
  .tech-article h1,.tech-article h2,.tech-article h3 { overflow-wrap: anywhere; }
  html { scroll-padding-top: 72px; }
  .v2-header { min-height: 66px; padding: 10px 20px; }
  .v2-brand { min-width: 0; }
  .v2-brand img { width: 148px; }
  .v2-menu { display: flex; }
  .v2-nav { display: none; position: absolute; inset: 100% 0 auto; padding: 8px 20px 18px; background: #101110; border-bottom: 1px solid var(--line); align-items: stretch; flex-direction: column; gap: 0; }
  .v2-nav.is-open { display: flex; }
  .v2-nav a { padding: 13px 0; border-bottom: 1px solid var(--line); }
  .v2-nav .v2-nav-cta { align-self: flex-start; margin-top: 12px; padding: 10px 14px; border: 1px solid var(--green); }
  .materials-wrap { width: calc(100% - 40px); }
  .materials-hero { padding-top: 20px; }
  .materials-hero::after { width: 100%; opacity: .11; background-size: 32px 32px; }
  .hero-copy { padding: 46px 0 48px; }
  .hero-copy h1 { margin-top: 17px; font-size: clamp(54px,15vw,72px); }
  .hero-description { max-width: 37ch; font-size: 16px; }
  .materials-content { padding: 25px 0 74px; }
  .editorial-rows { grid-template-columns: minmax(0,1fr); row-gap: 34px; }
  .material-card-copy { padding-top: 14px; }
  .material-card h2 { font-size: 25px; }
  .material-description { font-size: 13px; }
}
@media (prefers-reduced-motion: reduce) {
  *,*::before,*::after { scroll-behavior: auto !important; transition-duration: .001ms !important; }
}

/* P5: grouped hub */
.materials-group + .materials-group { margin-top: clamp(48px,5vw,72px); }
.materials-group-title { margin: 0 0 22px; padding-bottom: 12px; border-bottom: 1px solid rgba(244,243,239,.18); color: #E9ECE6; font: 600 15px/1.3 var(--font-body); letter-spacing: .05em; text-transform: uppercase; }
.material-card-link:hover h3 { color: #176B38; }
.material-card-link h3 { transition: color .18s ease; }
.material-card h3 { margin: 0 0 8px; color: #111311; font: 600 clamp(20px,1.65vw,25px)/1.16 var(--font-display); letter-spacing: -.018em; }
.materials-group-link { margin: 26px 0 0; font-size: 15px; }
.materials-group-link a { color: #7CFF9E; text-underline-offset: 3px; }
.materials-category-nav { display:flex; flex-wrap:wrap; gap:10px; margin:0 0 28px; }
.materials-category-button,.materials-page-button { min-height:40px; padding:9px 14px; border:1px solid var(--line); border-radius:2px; background:transparent; color:var(--text); font:600 12px/1.35 var(--font-body); letter-spacing:.035em; cursor:pointer; transition:color .18s ease,border-color .18s ease,background-color .18s ease; }
.materials-category-button:hover,.materials-category-button:focus-visible,.materials-page-button:hover:not(:disabled),.materials-page-button:focus-visible { border-color:var(--green); color:var(--green); outline:none; }
.materials-category-button[aria-pressed="true"] { border-color:var(--green); background:rgba(124,255,158,.08); color:var(--green); }
.materials-category-button:focus-visible,.materials-page-button:focus-visible { outline:2px solid var(--green); outline-offset:3px; }
.materials-pagination { display:flex; align-items:center; justify-content:center; gap:16px; margin:30px 0 0; }
.materials-page-button { min-width:86px; }
.materials-page-button:disabled { border-color:rgba(244,243,239,.12); color:#747a73; cursor:not-allowed; }
.materials-page-status { min-width:52px; color:var(--muted); font:600 12px/1.3 var(--font-body); text-align:center; font-variant-numeric:tabular-nums; }
@media(max-width:720px) {
  .materials-category-nav { gap:8px; margin-bottom:24px; }
  .materials-category-button { flex:1 1 calc(50% - 8px); min-width:0; padding:10px 9px; font-size:11px; }
  .materials-category-button[data-material-filter="image"] { flex-basis:100%; }
  .materials-pagination { margin-top:24px; }
}
@media (max-width: 720px) {
  .material-card h3 { font-size: 25px; }
}