/* ==========================================================
   Component styles — editorial / industrial / premium
   ========================================================== */

/* ============== Header ============== */
.jc-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.86);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  transition: border-color 320ms, box-shadow 320ms;
  border-bottom: 1px solid transparent;
}
.jc-header.is-scrolled {
  border-bottom-color: var(--border-soft);
  background: rgba(255,255,255,0.94);
}
.jc-header-inner { display: flex; align-items: center; gap: 40px; height: 76px; }
.jc-header-brand { display: flex; align-items: center; gap: 14px; }
.jc-header-brand img { height: 24px; width: auto; }
.jc-header-brand .mono {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .14em;
  color: var(--fg-muted); text-transform: uppercase; padding-left: 14px;
  border-left: 1px solid var(--border);
}
.jc-header-nav { display: flex; gap: 32px; flex: 1; margin-left: 8px; }
.jc-header-nav a {
  font-family: var(--font-display); font-weight: 500; font-size: 13.5px;
  color: var(--jet-grey); position: relative; padding: 4px 0;
  transition: color 240ms;
}
.jc-header-nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 1px;
  background: var(--accent); transform: scaleX(0); transform-origin: left;
  transition: transform 320ms cubic-bezier(0.2,0.8,0.2,1);
}
.jc-header-nav a:hover::after { transform: scaleX(1); }
.jc-header-cta { padding: 11px 18px; font-size: 13px; }
@media (max-width: 880px) {
  .jc-header-nav, .jc-header-brand .mono { display: none; }
}

/* ============== Hero ============== */
.jc-hero {
  padding: 88px 0 0;
  position: relative; overflow: hidden;
  background: #fff;
}
.jc-hero::before {
  /* engineering grid */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(88,89,91,.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(88,89,91,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 70% 30%, #000 0%, transparent 70%);
}
.jc-hero-inner {
  position: relative;
  display: grid; grid-template-columns: 1.35fr 1fr;
  gap: 64px; align-items: end;
  padding-bottom: 96px;
}

.jc-hero-rail {
  position: absolute; top: 24px; left: 32px; right: 32px;
  display: flex; justify-content: space-between;
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--fg-muted);
  pointer-events: none;
}
.jc-hero-rail .rail-l { display: flex; gap: 18px; align-items: center; }
.jc-hero-rail .dot { width: 6px; height: 6px; background: var(--accent); border-radius: 50%; display: inline-block; }
.jc-hero-rail .rule { width: 32px; height: 1px; background: var(--border); display: inline-block; }

.jc-hero-copy { display: flex; flex-direction: column; gap: 36px; padding-top: 56px; }
.jc-hero-title { letter-spacing: -0.045em; }
.jc-hero-title .line { display: block; }
.jc-hero-title .em {
  font-family: 'Instrument Serif', serif; font-style: italic;
  font-weight: 400; color: var(--jet-grey);
  letter-spacing: -0.02em;
}
.jc-hero-title .accent-mark { color: var(--accent); }

.jc-hero-lead {
  display: grid; grid-template-columns: 24px 1fr; gap: 20px; max-width: 540px;
}
.jc-hero-lead .vrule { background: var(--accent); width: 2px; }
.jc-hero-lead p { font-size: 18px; line-height: 1.55; color: var(--jet-grey); }

.jc-hero-actions { display: flex; gap: 20px; flex-wrap: wrap; align-items: center; }

/* Figure column */
.jc-hero-figure { position: relative; padding-top: 56px; }
.jc-hero-figure-frame {
  position: relative;
  aspect-ratio: 4 / 5.2;
  will-change: transform;
}
.jc-hero-figure-frame .photo-plate { position: absolute; inset: 0; }
.jc-hero-figure-frame .photo-plate-inner {
  width: 100%; height: 100%;
  transform: translateY(var(--parallax-y, 0));
  transition: transform 80ms linear;
}
.jc-hero-stamp {
  position: absolute; right: -16px; bottom: -28px;
  background: var(--jet-grey); color: #fff;
  padding: 22px 24px;
  display: flex; flex-direction: column; gap: 6px;
  border-top: 3px solid var(--accent);
  min-width: 220px;
}
.jc-hero-stamp .num {
  font-family: var(--font-display); font-weight: 800;
  font-size: 56px; line-height: 0.92; letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}
.jc-hero-stamp .num small { font-size: 28px; font-weight: 700; color: var(--accent); }
.jc-hero-stamp .lbl {
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: .16em; text-transform: uppercase;
  color: rgba(255,255,255,.65); margin-top: 4px;
}

/* Hero meta-grid below */
.jc-hero-meta {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}
.jc-hero-meta-item {
  padding: 24px 24px 24px 0;
  border-right: 1px solid var(--border-soft);
  display: flex; flex-direction: column; gap: 8px;
}
.jc-hero-meta-item:last-child { border-right: 0; }
.jc-hero-meta-item:not(:first-child) { padding-left: 24px; }
.jc-hero-meta-item .k {
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: .16em; text-transform: uppercase; color: var(--accent);
}
.jc-hero-meta-item .v {
  font-family: var(--font-display); font-weight: 600; font-size: 15px;
  color: var(--jet-grey); line-height: 1.35;
}

/* Marquee — credentials infinite scroll */
.jc-marquee {
  background: #fff; overflow: hidden;
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  padding: 18px 0;
}
.jc-marquee-track {
  display: flex; gap: 56px; width: max-content;
  animation: jc-marquee 38s linear infinite;
}
.jc-marquee-track:hover { animation-play-state: paused; }
.jc-marquee-item {
  font-family: var(--font-mono); font-weight: 500;
  font-size: 13px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--jet-grey);
  display: inline-flex; align-items: center; gap: 24px;
  white-space: nowrap;
}
.jc-marquee-item::after { content: "/"; color: var(--accent); }
@keyframes jc-marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .jc-marquee-track { animation: none; }
}

/* ============== StatsBand ============== */
.jc-stats { padding: 160px 0; }
.jc-stats-head {
  display: grid; grid-template-columns: 1fr 1.4fr;
  gap: 64px; align-items: end; margin-bottom: 88px;
}
.jc-stats-head h2 { max-width: 18ch; }
.jc-stats-grid {
  list-style: none; display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 0; border-top: 1px solid var(--jet-grey);
}
.jc-stat {
  padding: 40px 36px 40px 0;
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 16px;
  position: relative;
}
.jc-stat::before {
  content: ""; position: absolute; top: -1px; left: 0; width: 48px; height: 3px;
  background: var(--accent);
}
.jc-stat:not(:first-child) { padding-left: 36px; }
.jc-stat:not(:first-child)::before { left: 36px; }
.jc-stat:last-child { border-right: 0; }

.jc-stat-idx {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: .18em; text-transform: uppercase; color: var(--fg-muted);
}
.jc-stat-num {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(72px, 9vw, 132px); line-height: 0.88;
  color: var(--jet-grey); letter-spacing: -0.05em;
  font-variant-numeric: tabular-nums;
}
.jc-stat-num small { font-size: .42em; color: var(--accent); font-weight: 700; }
.jc-stat-src {
  font-family: var(--font-display); font-weight: 500;
  font-size: 15px; line-height: 1.45;
  color: var(--jet-grey); max-width: 30ch;
}
.jc-stat-foot {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: .12em; text-transform: uppercase; color: var(--fg-muted);
  margin-top: auto; padding-top: 16px;
}

/* ============== Pillars ============== */
.jc-pillars { padding: 160px 0; background: var(--grey-50); }
.jc-pillars-head {
  display: grid; grid-template-columns: 1fr 1.4fr;
  gap: 64px; margin-bottom: 80px; align-items: end;
}
.jc-pillars-head h2 { max-width: 18ch; }
.jc-pillars-head .lead { color: var(--fg-strong); margin-top: 0; }
.jc-pillars-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
  border-top: 1px solid var(--jet-grey);
}
.jc-pillar {
  position: relative; padding: 44px 36px 44px 0;
  border-right: 1px solid var(--border-soft);
  display: flex; flex-direction: column; gap: 18px;
  transition: background 360ms cubic-bezier(0.2,0.8,0.2,1);
}
.jc-pillar:not(:first-child) { padding-left: 36px; }
.jc-pillar:last-child { border-right: 0; }
.jc-pillar:hover { background: #fff; }
.jc-pillar::before {
  content: attr(data-num);
  position: absolute; top: 44px; right: 36px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .18em;
  color: var(--fg-muted);
}
.jc-pillar:last-child::before { right: 0; }
.jc-pillar-icon { color: var(--accent); }
.jc-pillar-icon svg { width: 30px; height: 30px; }
.jc-pillar-icon svg path,
.jc-pillar-icon svg circle,
.jc-pillar-icon svg rect {
  stroke-dasharray: 200; stroke-dashoffset: 200;
  transition: stroke-dashoffset 1200ms cubic-bezier(0.65, 0, 0.35, 1);
}
.jc-pillar.is-in .jc-pillar-icon svg path,
.jc-pillar.is-in .jc-pillar-icon svg circle,
.jc-pillar.is-in .jc-pillar-icon svg rect {
  stroke-dashoffset: 0;
}
.jc-pillar h3 { max-width: 14ch; color: var(--jet-grey); }
.jc-pillar p { color: var(--fg-strong); font-size: 14.5px; line-height: 1.6; max-width: 32ch; }

/* ============== Arguments ============== */
.jc-args { padding: 160px 0; position: relative; }
.jc-args-head {
  display: grid; grid-template-columns: 1fr 1.4fr;
  gap: 64px; align-items: end; margin-bottom: 88px;
}
.jc-args-head h2 { max-width: 18ch; }
.jc-args-progress-rail {
  position: sticky; top: 96px; height: 0; pointer-events: none;
}
.jc-args-progress-bar {
  position: absolute; left: 0; top: 0; height: 1px;
  background: var(--accent); transform-origin: left;
  width: 100%; transform: scaleX(0);
  transition: transform 220ms linear;
}
.jc-args-list {
  display: flex; flex-direction: column; gap: 0;
  border-top: 1px solid var(--border);
}
.jc-arg {
  padding: 80px 0; border-bottom: 1px solid var(--border);
  position: relative;
}
.jc-arg-head {
  display: grid; grid-template-columns: 88px 1fr auto;
  align-items: baseline; gap: 24px; margin-bottom: 48px;
}
.jc-arg-idx {
  font-family: var(--font-mono); font-weight: 500; font-size: 13px;
  color: var(--accent); letter-spacing: .14em; text-transform: uppercase;
}
.jc-arg-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(36px, 4.6vw, 64px);
  line-height: 0.96; letter-spacing: -0.03em; color: var(--jet-grey);
}
.jc-arg-meta {
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: .18em; text-transform: uppercase; color: var(--fg-muted);
}
.jc-arg-grid {
  display: grid; grid-template-columns: 88px 1fr 1fr 1.25fr; gap: 28px;
}
.jc-arg-col { display: flex; flex-direction: column; gap: 12px; }
.jc-arg-col h4 { color: var(--jet-grey); }
.jc-arg-col p { font-size: 15px; line-height: 1.6; color: var(--jet-grey); max-width: 40ch; }
.jc-arg-quote {
  background: var(--jet-grey); color: #fff;
  padding: 32px 32px; border-left: 4px solid var(--accent);
  display: flex; flex-direction: column; gap: 14px;
  position: relative;
}
.jc-arg-quote .eyebrow { color: var(--accent); }
.jc-arg-quote blockquote {
  font-family: 'Instrument Serif', serif; font-style: italic;
  font-weight: 400; font-size: 22px; line-height: 1.35;
  color: #fff; margin: 0; letter-spacing: -0.005em;
}
.jc-arg-foot {
  display: grid; grid-template-columns: 88px 1fr;
  gap: 24px; margin-top: 40px; padding-top: 24px;
  border-top: 1px dashed var(--border);
  align-items: center;
}
.jc-arg-foot-mark {
  font-family: var(--font-mono); font-weight: 500; font-size: 11px;
  letter-spacing: .18em; text-transform: uppercase; color: var(--accent);
}
.jc-arg-dado {
  font-family: var(--font-display); font-weight: 600; font-size: 17px;
  color: var(--jet-grey); letter-spacing: -0.01em;
}

/* ============== Process ============== */
.jc-process { padding: 160px 0; background: #1A1A1A; color: #fff; position: relative; overflow: hidden; }
.jc-process::before {
  /* faint grid */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, transparent 0, #000 30%, #000 70%, transparent 100%);
}
.jc-process-head {
  display: grid; grid-template-columns: 1fr 1.4fr;
  gap: 64px; align-items: end; margin-bottom: 88px;
  position: relative;
}
.jc-process-head h2 { color: #fff; max-width: 22ch; }
.jc-process-rail { position: relative; }
.jc-process-line {
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: rgba(255,255,255,.18);
}
.jc-process-line-fill {
  position: absolute; top: 0; left: 0; height: 1px;
  background: var(--accent); width: 100%;
  transform: scaleX(0); transform-origin: left;
  transition: transform 1600ms cubic-bezier(0.22, 1, 0.36, 1);
}
.jc-process-rail.is-in .jc-process-line-fill { transform: scaleX(1); }
.jc-process-list {
  list-style: none; display: grid; grid-template-columns: repeat(5, 1fr); gap: 0;
}
.jc-process-step {
  padding: 36px 24px 0 0; position: relative;
  display: flex; flex-direction: column; gap: 12px;
  border-right: 1px solid rgba(255,255,255,.08);
}
.jc-process-step::before {
  content: ""; position: absolute; top: -5px; left: 0; width: 11px; height: 11px;
  background: #1A1A1A; border: 2px solid var(--accent); border-radius: 50%;
  transition: background 320ms;
}
.jc-process-step.is-in::before { background: var(--accent); }
.jc-process-step:not(:first-child) { padding-left: 24px; }
.jc-process-step:not(:first-child)::before { left: 24px; }
.jc-process-step:last-child { border-right: 0; }
.jc-process-num {
  font-family: var(--font-mono); font-weight: 500; font-size: 11px;
  color: var(--accent); letter-spacing: .18em; text-transform: uppercase;
}
.jc-process-title {
  font-family: var(--font-display); font-weight: 700; font-size: 22px;
  line-height: 1.15; color: #fff; letter-spacing: -0.015em; margin-top: 6px;
}
.jc-process-step p { font-size: 14px; color: rgba(255,255,255,.7); line-height: 1.55; }

/* ============== CTA ============== */
.jc-cta { background: #1A1A1A; color: #fff; padding: 144px 0; position: relative; overflow: hidden; }
.jc-cta::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px; background: var(--accent);
}
.jc-cta-inner {
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 96px; align-items: start;
}
.jc-cta-copy { display: flex; flex-direction: column; gap: 24px; }
.jc-cta-copy h2 { color: #fff; max-width: 14ch; }
.jc-cta-copy h2 .serif-em { color: var(--accent); }
.jc-cta-copy .lead { color: rgba(255,255,255,.78); }
.jc-cta-meta {
  list-style: none; display: flex; flex-direction: column; gap: 12px;
  margin-top: 16px; color: rgba(255,255,255,.78); font-size: 14.5px;
  padding-top: 24px; border-top: 1px solid rgba(255,255,255,.12);
}
.jc-cta-form {
  background: #fff; padding: 36px;
  display: flex; flex-direction: column; gap: 16px;
  color: var(--fg-strong); border-top: 4px solid var(--accent);
}
.jc-cta-form h3 { color: var(--jet-grey); margin-bottom: 4px; }
.jc-field { display: flex; flex-direction: column; gap: 6px; }
.jc-field label {
  font-family: var(--font-mono); font-weight: 500; font-size: 10.5px;
  letter-spacing: .14em; text-transform: uppercase; color: var(--fg-muted);
}
.jc-field input, .jc-field select {
  font-family: var(--font-body); font-size: 14.5px;
  padding: 12px 14px; border: 1px solid var(--border); border-radius: 0;
  background: #fff; color: var(--fg-strong); outline: none;
  transition: border-color 240ms, box-shadow 240ms;
}
.jc-field input:focus, .jc-field select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(232,78,15,0.15);
}
.jc-row { display: grid; grid-template-columns: 1fr 1.4fr; gap: 12px; }
.jc-cta-submit { margin-top: 8px; justify-content: center; }
.jc-cta-fineprint {
  font-family: var(--font-mono); font-size: 11px; color: var(--fg-muted);
  letter-spacing: .04em; margin-top: 4px;
}
.jc-cta-thanks { display: flex; flex-direction: column; gap: 12px; padding: 16px 0; }
.jc-cta-thanks h3 { color: var(--jet-grey); }
.jc-cta-thanks p { color: var(--fg-strong); }

/* ============== Footer ============== */
.jc-footer { background: #0F0F0F; color: rgba(255,255,255,.7); padding: 80px 0 28px; border-top: 1px solid var(--accent); }
.jc-footer-inner {
  display: grid; grid-template-columns: 1.1fr 2fr; gap: 80px;
  padding-bottom: 56px; border-bottom: 1px solid rgba(255,255,255,.08);
}
.jc-footer-brand img { height: 28px; width: auto; margin-bottom: 22px; }
.jc-footer-brand p { font-size: 13px; line-height: 1.6; max-width: 380px; color: rgba(255,255,255,.6); }
.jc-footer-brand .mono { margin-top: 24px; font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.4); }
.jc-footer-cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.jc-footer-col h5 {
  font-family: var(--font-mono); font-weight: 500; font-size: 11px;
  letter-spacing: .18em; text-transform: uppercase; color: var(--accent);
  margin-bottom: 16px;
}
.jc-footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.jc-footer-col a {
  font-size: 13.5px; color: rgba(255,255,255,.7);
  transition: color 240ms;
}
.jc-footer-col a:hover { color: #fff; }
.jc-footer-base {
  display: flex; justify-content: space-between; padding-top: 24px;
  font-family: var(--font-mono); font-size: 11px; color: rgba(255,255,255,.4);
  letter-spacing: .12em; text-transform: uppercase;
}

/* ============== Hero video media ============== */
.jc-hero-figure-frame { overflow: hidden; position: relative; }
.jc-hero-media {
  position: absolute; left: 0; right: 0; top: -6%; height: 112%;
  overflow: hidden; background: #1A1A1A;
  border: 1px solid var(--border-soft);
  transform: translateY(var(--parallax-y, 0));
  transition: transform 80ms linear; z-index: 0;
}
.jc-hero-video { width: 100%; height: 100%; object-fit: cover; display: block; position: absolute; inset: 0; z-index: 1; background: transparent; opacity: 0; transition: opacity 600ms ease; }
.jc-hero-video.is-ready { opacity: 1; }
.jc-hero-poster { width: 100%; height: 100%; object-fit: cover; display: block; position: absolute; inset: 0; z-index: 0; }
.jc-hero-figure-frame::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 2;
  background: linear-gradient(180deg, rgba(0,0,0,.30) 0%, transparent 24%, transparent 56%, rgba(0,0,0,.58) 100%);
}
.jc-hero-figure-frame .photo-meta {
  position: absolute; left: 18px; top: 16px; z-index: 3;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .2em;
  text-transform: uppercase; color: rgba(255,255,255,.9);
}
.jc-hero-figure-frame .photo-caption {
  position: absolute; left: 18px; right: 18px; bottom: 16px; z-index: 3;
  font-family: var(--font-mono); font-size: 11px; color: #fff;
  display: flex; justify-content: space-between; align-items: end; gap: 12px;
}

/* ============== Argument media + accordion ============== */
.jc-arg-head { cursor: pointer; }
.jc-arg-media {
  grid-column: 1 / -1; aspect-ratio: 16 / 5; overflow: hidden;
  border: 1px solid var(--border-soft); margin-bottom: 12px; background: var(--grey-100);
}
.jc-arg-media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 900ms cubic-bezier(0.2,0.8,0.2,1); transform: scale(1.02);
}
.jc-arg:hover .jc-arg-media img { transform: scale(1.06); }
.jc-arg-toggle { display: none; }

/* ============== WhatsApp direct (CTA) ============== */
.jc-cta-whats { display: inline-flex; align-items: center; gap: 14px; margin-top: 28px; color: #fff; align-self: flex-start; }
.jc-cta-whats-ic {
  width: 46px; height: 46px; border-radius: 50%; flex: none;
  background: rgba(255,255,255,.08); display: grid; place-items: center;
  color: #fff; transition: background 320ms;
}
.jc-cta-whats:hover .jc-cta-whats-ic { background: var(--accent); }
.jc-cta-whats-ic svg { width: 22px; height: 22px; }
.jc-cta-whats span:last-child { display: flex; flex-direction: column; gap: 2px; font-family: var(--font-mono); font-size: 13px; letter-spacing: .04em; color: rgba(255,255,255,.7); }
.jc-cta-whats strong { font-family: var(--font-display); font-size: 14.5px; letter-spacing: 0; color: #fff; }

/* ============== Mobile sticky CTA ============== */
.jc-mobile-cta { display: none; }
@media (max-width: 880px) {
  .jc-mobile-cta {
    display: flex; position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 60;
    justify-content: center; align-items: center; gap: 10px;
    background: var(--accent); color: #fff; padding: 15px 18px; border-radius: 2px;
    font-family: var(--font-display); font-weight: 600; font-size: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,.28);
  }
  .jc-mobile-cta .arrow { font-weight: 400; }
  .jc-footer { padding-bottom: 100px; }
}

/* ============== Network band (home: onde estamos + capacity) ============== */
.jc-net { padding: 160px 0; background: var(--grey-50); }
.jc-net-head {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 64px; align-items: end; margin-bottom: 72px;
}
.jc-net-head h2 { max-width: 14ch; }
.jc-net-grid {
  display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 64px;
  border-top: 1px solid var(--jet-grey); padding-top: 48px;
}
.jc-net-pracas .tag-mono { display: block; margin-bottom: 24px; }
.jc-net-pracas ul { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 24px; margin-bottom: 32px; }
.jc-net-pracas li { display: flex; align-items: center; gap: 12px; font-family: var(--font-display); font-weight: 500; font-size: 14.5px; color: var(--jet-grey); }
.jc-net-pin { width: 8px; height: 8px; background: var(--accent); border-radius: 50%; flex: none; }
.jc-net-cap-intro { font-size: 15px; line-height: 1.55; color: var(--jet-grey); max-width: 46ch; margin: 16px 0 36px; }
.jc-net-tiers { list-style: none; display: flex; flex-direction: column; gap: 30px; }
.jc-net-tier-top { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-bottom: 12px; }
.jc-net-tier-n { font-family: var(--font-display); font-weight: 800; font-size: 42px; letter-spacing: -.03em; color: var(--jet-grey); line-height: 1; font-variant-numeric: tabular-nums; }
.jc-net-tier-n small { font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--fg-muted); margin-left: 10px; }
.jc-net-tier-who { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .04em; color: var(--fg-muted); text-align: right; }
.jc-net-tier-bar { height: 4px; background: var(--border-soft); position: relative; overflow: hidden; }
.jc-net-tier-bar span { position: absolute; left: 0; top: 0; bottom: 0; background: var(--accent); }

/* ============== Responsive collapse ============== */
@media (max-width: 980px) {
  .jc-hero-inner { grid-template-columns: 1fr; gap: 48px; padding-bottom: 64px; }
  .jc-hero-meta { grid-template-columns: 1fr 1fr; }
  .jc-stats-head, .jc-pillars-head, .jc-args-head, .jc-process-head, .jc-cta-inner { grid-template-columns: 1fr; gap: 32px; }
  .jc-stats-grid, .jc-pillars-grid, .jc-process-list { grid-template-columns: 1fr; }
  .jc-stat, .jc-pillar, .jc-process-step { border-right: 0; border-bottom: 1px solid var(--border-soft); }
  .jc-process-step { border-bottom-color: rgba(255,255,255,.08); }
  .jc-arg-grid, .jc-arg-foot, .jc-arg-head { grid-template-columns: 1fr; }
  .jc-footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .jc-footer-cols { grid-template-columns: 1fr 1fr; gap: 24px; }

  /* network band */
  .jc-net-head, .jc-net-grid { grid-template-columns: 1fr; gap: 32px; }
  .jc-net-grid { padding-top: 36px; }

  /* arguments → accordion */
  .jc-arg { padding: 0; border-bottom: 1px solid var(--border); }
  .jc-arg-head {
    display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
    margin-bottom: 0; padding: 28px 0;
  }
  .jc-arg-head .jc-arg-title { font-size: clamp(26px, 8vw, 34px); flex: 1 1 auto; }
  .jc-arg-meta { display: none; }
  .jc-arg-toggle { display: block; position: relative; width: 22px; height: 22px; flex: none; }
  .jc-arg-toggle::before, .jc-arg-toggle::after { content: ""; position: absolute; background: var(--accent); }
  .jc-arg-toggle::before { left: 0; right: 0; top: 50%; height: 2px; transform: translateY(-50%); }
  .jc-arg-toggle::after { top: 0; bottom: 0; left: 50%; width: 2px; transform: translateX(-50%); transition: opacity 280ms; }
  .jc-arg.is-open .jc-arg-toggle::after { opacity: 0; }
  .jc-arg-body {
    max-height: 0; overflow: hidden; opacity: 0;
    transition: max-height 480ms cubic-bezier(0.2,0.8,0.2,1), opacity 360ms;
  }
  .jc-arg.is-open .jc-arg-body { max-height: 4000px; opacity: 1; padding-bottom: 40px; }
  .jc-arg-grid { gap: 20px; }
  .jc-arg-media { aspect-ratio: 16 / 9; }
}