/* Shared electric editorial components */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: var(--z-nav);
  height: var(--nav-h);
  background: var(--paper);
  border-bottom: 2px solid var(--ink);
  transition: transform 0.28s ease;
}
.site-header.is-hidden { transform: translateY(-100%); }
.site-header__inner { height: 100%; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: clamp(1rem, 3vw, 3rem); }
.header-brand__logo { position: relative; z-index: 3; display: inline-flex; align-items: center; gap: .65rem; font: 400 1rem/1 var(--font-display); letter-spacing: -.035em; text-transform: uppercase; }
.header-brand__logo img { width: 32px; height: 32px; }
.header-brand__logo strong { color: var(--red); }
.site-nav__links { display: flex; align-items: center; justify-content: flex-end; gap: clamp(.75rem, 1.5vw, 1.6rem); }
.nav-link { position: relative; padding-block: .5rem; font-size: .7rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.nav-link::after { content: ""; position: absolute; inset: auto 0 0; height: 3px; background: var(--red); transform: scaleX(0); transform-origin: left; transition: transform .2s; }
.nav-link:hover::after, .nav-link.is-active::after { transform: scaleX(1); }
.nav-link.is-active { color: var(--red); }
.header-cta { white-space: nowrap; }

.nav-toggle { position: relative; z-index: 4; display: none; width: 44px; height: 44px; padding: 10px; border: 2px solid var(--ink); border-radius: 0; background: var(--acid); cursor: pointer; }
.nav-toggle span { display: block; width: 20px; height: 2px; margin: 4px auto; background: var(--ink); transition: transform .25s, opacity .2s; }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mobile-menu { position: fixed; inset: 0; z-index: calc(var(--z-nav) - 1); display: grid; grid-template-rows: auto 1fr auto; padding: calc(var(--nav-h) + 1.25rem) 1rem 1rem; overflow-y: auto; background: var(--cobalt); color: var(--white); transform: translateY(-105%); visibility: hidden; transition: transform .45s cubic-bezier(.76,0,.24,1), visibility .45s; }
.mobile-menu.is-open { transform: translateY(0); visibility: visible; }
.mobile-menu__masthead, .mobile-menu__footer { display: flex; justify-content: space-between; gap: 1rem; padding-block: .75rem; border-bottom: 1px solid rgba(255,255,255,.5); font-size: .62rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.mobile-menu__links { align-self: center; }
.mobile-menu__links a { display: grid; grid-template-columns: 2.25rem 1fr auto; align-items: baseline; padding: .45rem 0; border-bottom: 1px solid rgba(255,255,255,.45); font: 400 clamp(1.6rem, 7.5vw, 3rem)/.95 var(--font-display); letter-spacing: -.04em; text-transform: uppercase; }
.mobile-menu__links a::after { content: "↗"; font: 400 .55em/1 var(--font-body); }
.mobile-menu__links a span { color: var(--acid); font: 400 .42em/1 var(--font-editorial); letter-spacing: 0; }
.mobile-menu__links a:hover, .mobile-menu__links a.is-active { color: var(--acid); }
.mobile-menu__footer { align-self: end; border-top: 1px solid rgba(255,255,255,.5); border-bottom: 0; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  gap: .5rem;
  padding: .75rem 1.2rem;
  border: 2px solid var(--ink);
  border-radius: 0;
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s, background .15s, color .15s;
}
.btn::after { content: "↗"; font-size: 1rem; line-height: 1; }
.btn:hover { transform: translate(-3px,-3px); box-shadow: var(--shadow-small); }
.btn:active { transform: translate(0); box-shadow: none; }
.btn--primary { background: var(--red); color: var(--white); }
.btn--cta { background: var(--acid); color: var(--ink); }
.btn--ghost { background: var(--paper); color: var(--ink); }
.btn--sm { min-height: 40px; padding: .55rem 1rem; font-size: .68rem; }

.tag {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 25px;
  padding: .25rem .55rem;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .09em;
  line-height: 1;
  text-transform: uppercase;
}

.section-header { position: relative; max-width: 66rem; margin-bottom: clamp(2.5rem, 6vw, 5rem); }
.section-header::before {
  content: attr(data-number);
  display: block;
  margin-bottom: 1rem;
  font-family: var(--font-editorial);
  font-size: 1.5rem;
  color: var(--red);
}
.section-header--center { margin-inline: auto; text-align: center; }
.section-header--center .body-lg { margin: 1.2rem auto 0; }
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-bottom: .9rem;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.section-kicker::before { content: ""; width: 1.8rem; height: 3px; background: var(--red); }
.section-header .body-lg { margin-top: 1.25rem; }

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: 17rem;
  padding: clamp(1.4rem, 3vw, 2.25rem);
  overflow: hidden;
  border: 2px solid var(--ink);
  background: var(--surface);
  transition: transform .2s, box-shadow .2s, background .2s;
}
.card:nth-child(3n+2) { border-radius: var(--radius-soft) 0 var(--radius-soft) 0; }
.card:hover { transform: translate(-4px,-4px); box-shadow: var(--shadow-card); }
.card__icon { width: 42px; height: 42px; filter: brightness(0); }
.card__title { font-family: var(--font-display); font-size: clamp(1.25rem, 2.2vw, 2rem); line-height: .98; text-transform: uppercase; }
.card__list { display: grid; gap: .45rem; }
.card__list li { position: relative; padding-left: 1rem; font-size: .9rem; color: var(--muted); }
.card__list li::before { content: "•"; position: absolute; left: 0; color: var(--red); }
.card__link { margin-top: auto; width: fit-content; border-bottom: 2px solid; font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.card__link::after { content: " ↗"; }
.card__link:hover { color: var(--red); }

.faq-list { max-width: 64rem; border-top: 2px solid var(--ink); }
.faq-item { border-bottom: 2px solid var(--ink); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.35rem 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.5rem);
  line-height: 1;
  text-transform: uppercase;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font: 400 2rem/1 var(--font-editorial); color: var(--red); }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { max-width: 60ch; padding: 0 0 1.5rem; color: var(--muted); }

.form-group { display: grid; gap: .5rem; }
.form-group label { font-size: .7rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 1rem 0;
  border: 0;
  border-bottom: 2px solid var(--ink);
  border-radius: 0;
  outline: none;
  background: transparent;
  color: var(--ink);
  font-size: 1.05rem;
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--cobalt); box-shadow: 0 3px 0 var(--cobalt); }
.form-success { padding: 1.5rem; border: 2px solid var(--ink); background: var(--acid); box-shadow: var(--shadow-small); }
.form-success:focus { outline: 3px solid var(--cobalt); outline-offset: 4px; }
.form-success[hidden] { display: none !important; }
.form-success h3 { font-family: var(--font-display); font-size: 1.3rem; text-transform: uppercase; }
.form-success p { margin-top: .5rem; }

.page-hero {
  min-height: min(720px, 78vh);
  margin-top: var(--nav-h);
  display: flex;
  align-items: flex-end;
  padding-block: clamp(5rem, 10vw, 8rem) clamp(3rem, 7vw, 6rem);
  overflow: hidden;
  border-bottom: 2px solid var(--ink);
  background: var(--paper);
}
.page-hero::before {
  content: attr(data-page);
  position: absolute;
  right: -0.05em;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(17,16,14,.055);
  font: 400 clamp(8rem, 25vw, 26rem)/.7 var(--font-display);
  letter-spacing: -.08em;
  text-transform: uppercase;
  white-space: nowrap;
}
.page-hero .container { z-index: 2; }
.page-hero .display-lg { max-width: 11ch; }
.page-hero .body-lg { margin-top: 1.5rem; }
.page-hero__deco { position: absolute; inset: 0; pointer-events: none; }
.page-hero__deco img { position: absolute; opacity: .16 !important; filter: grayscale(1) contrast(2); mix-blend-mode: multiply; }
.page-hero__deco .deco-rings { width: min(28vw, 340px); right: 5%; top: 18%; opacity: .45 !important; filter: hue-rotate(150deg) saturate(3); }
.page-hero__deco .deco-blob { width: min(38vw, 500px); right: 10%; bottom: -20%; opacity: .3 !important; filter: hue-rotate(145deg) saturate(2); }

.site-footer { position: relative; overflow: hidden; padding-block: clamp(4rem, 8vw, 7rem) 2rem; border-top: 2px solid var(--paper); background: var(--ink); color: var(--paper); }
.site-footer::before { content: "NOISE"; position: absolute; right: -.03em; bottom: -.15em; color: rgba(242,235,221,.055); font: 400 clamp(9rem, 27vw, 28rem)/.7 var(--font-display); letter-spacing: -.08em; }
.site-footer__grid { position: relative; z-index: 1; display: grid; grid-template-columns: 2fr repeat(3,1fr); gap: clamp(2rem, 5vw, 5rem); }
.site-nav__logo { font: 400 clamp(1.8rem, 4vw, 3.4rem)/1 var(--font-display); text-transform: uppercase; }
.site-nav__logo span { color: var(--red); }
.site-footer__brand p { max-width: 32ch; margin-top: 1.25rem; color: #B9B09F; }
.site-footer__col h4 { margin-bottom: 1rem; color: var(--acid); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; }
.site-footer__col ul { display: grid; gap: .65rem; }
.site-footer__col a { font-size: .9rem; }
.site-footer__col a:hover { color: var(--red); text-decoration: underline; text-underline-offset: 4px; }
.site-footer__bottom { position: relative; z-index: 1; display: flex; justify-content: space-between; gap: 1rem; margin-top: 5rem; padding-top: 1.2rem; border-top: 1px solid rgba(242,235,221,.3); color: #B9B09F; font-size: .72rem; }

/* Shared editorial flywheel */
.flywheel { position: relative; overflow: hidden; border-block: 2px solid var(--ink); background: var(--cobalt); color: var(--white); }
.flywheel__pin { min-height: calc(100vh - var(--nav-h)); display: flex; align-items: center; padding-block: clamp(4rem,8vw,7rem); }
.flywheel__layout { display: grid; grid-template-columns: repeat(12,minmax(0,1fr)); gap: clamp(2rem,4vw,4rem); align-items: center; }
.flywheel__content { grid-column: 1 / span 7; }
.flywheel__visual { grid-column: 9 / -1; display: grid; justify-items: center; gap: 1rem; }
.flywheel .display-md, .flywheel__step-title { color: var(--white); }
.flywheel .body-lg, .flywheel__step-desc, .flywheel__hint { color: rgba(255,255,255,.72); }
.flywheel__header { margin-bottom: 2rem; }
.flywheel__progress { margin-bottom: 1.5rem; }
.flywheel__progress-track { height: 4px; background: rgba(255,255,255,.28); }
.flywheel__progress-fill { display: block; width: 0; height: 100%; background: var(--acid); }
.flywheel__dots { display: grid; grid-template-columns: repeat(auto-fit,minmax(2rem,1fr)); }
.flywheel__dot { padding-top: .55rem; border-top: 1px solid rgba(255,255,255,.35); color: rgba(255,255,255,.45); font: 400 .85rem/1 var(--font-editorial); }
.flywheel__dot.is-active, .flywheel__dot.is-done { color: var(--acid); border-color: var(--acid); }
.flywheel__panel { min-height: 12rem; margin-top: 1.5rem; }
.flywheel__step { padding: 1.4rem 0; border-top: 2px solid var(--white); }
.flywheel__step[hidden] { display: none; }
.flywheel__step-title { max-width: 15ch; margin-top: .75rem; font: 400 clamp(1.5rem,3vw,2.8rem)/.95 var(--font-display); text-transform: uppercase; }
.flywheel__step-desc { max-width: 40ch; margin-top: .75rem; }
.flywheel__diagram { position: relative; width: min(100%,430px); aspect-ratio: 1; display: grid; place-items: center; border: 2px solid var(--white); background: var(--acid); padding: 1.5rem; transform: rotate(3deg); box-shadow: 10px 10px 0 var(--ink); }
.flywheel__diagram::after { content: "SYSTEM / 01—05"; position: absolute; right: .7rem; bottom: .7rem; color: var(--ink); font-size: .58rem; font-weight: 700; letter-spacing: .1em; }
.flywheel__svg { width: 100%; filter: grayscale(1) contrast(2); }
.flywheel__outputs { display: flex; flex-wrap: wrap; justify-content: center; gap: .45rem; }
.flywheel__caption { max-width: 34ch; color: rgba(255,255,255,.68); font-size: .68rem; letter-spacing: .08em; text-align: center; text-transform: uppercase; }

@media (max-width: 1100px) {
  .site-header__inner { grid-template-columns: 1fr auto; }
  .site-nav__links, .header-cta { display: none; }
  .nav-toggle { display: block; }
}

@media (max-width: 900px) {
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
  .flywheel__layout { display: flex; flex-direction: column; }
  .flywheel__visual { order: -1; }
  .flywheel__pin { min-height: auto; }
  .flywheel__panel { display: grid; gap: .75rem; }
  .flywheel__step[hidden] { display: block; opacity: .5; }
  .flywheel__step.is-active { opacity: 1; }
  .flywheel__progress, .flywheel__hint { display: none; }
}

@media (max-width: 600px) {
  :root { --nav-h: 68px; --section-py: clamp(3.5rem, 14vw, 5rem); }
  .site-header__inner { gap: .75rem; }
  .header-brand__logo { gap: .45rem; font-size: .86rem; }
  .header-brand__logo img { width: 28px; height: 28px; }
  .nav-toggle { width: 48px; height: 48px; }
  .mobile-menu { padding: calc(var(--nav-h) + .85rem) 1rem max(1rem, env(safe-area-inset-bottom)); }
  .mobile-menu__links a { min-height: 48px; padding-block: .55rem; }
  .site-footer__grid { grid-template-columns: 1fr; gap: 2rem; }
  .site-footer__bottom, .mobile-menu__footer { flex-direction: column; }
  .site-footer__bottom { margin-top: 3rem; }
  .site-footer__col a { display: inline-flex; align-items: center; min-height: 44px; padding-block: .4rem; }
  .page-hero { min-height: 58svh; padding-block: 4rem 3rem; }
  .page-hero .display-lg { max-width: 12ch; }
  .card__link { display: inline-flex; align-items: center; min-height: 44px; padding-block: .4rem; }
  main a:not(.btn) {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding-block: .4rem;
  }
  .faq-item summary { min-height: 52px; padding-block: 1rem; }
  .form-group input, .form-group select, .form-group textarea { font-size: 16px; }
  .btn { min-height: 50px; }
}