/*
Theme Name: BF Forge
Theme URI: https://bynryfoundry.com
Author: Bynry Foundry
Description: Total redesign draft for bynryfoundry.com v2 — "Cast in daylight". Bone paper, ink type, the // mark cast in gold. Instrument Serif display, Hanken Grotesk body, JetBrains Mono spec labels. GSAP + Three.js motion.
Version: 0.1.0
Requires at least: 6.5
Requires PHP: 8.0
License: GNU General Public License v2 or later
Text Domain: bf-forge
*/

/* =========================================================================
   1. Tokens
   ========================================================================= */
:root {
  --bone: #f4f0e6;
  --bone-2: #ebe6d8;
  --bone-3: #e3ddcb;
  --ink: #161410;
  --ink-soft: #5a5547;
  --ink-faint: rgba(22, 20, 16, 0.45);
  --molten: #ffde0d;
  --gold: #a87b08;
  --line: rgba(22, 20, 16, 0.16);
  --line-soft: rgba(22, 20, 16, 0.09);
  --bone-on-ink: #f0ecdf;
  --line-on-ink: rgba(240, 236, 223, 0.18);

  --font-display: 'Besley', Georgia, 'Times New Roman', serif;
  --font-body: 'Hanken Grotesk', -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', Consolas, 'Courier New', monospace;
  --font-logo: 'Doto', 'JetBrains Mono', Consolas, monospace; /* brand wordmark only */

  --gutter: clamp(1.25rem, 4vw, 4rem);
  --section-gap: clamp(4.5rem, 10vw, 9rem);
  --max-w: 1360px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

/* =========================================================================
   2. Base
   ========================================================================= */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

/* Cross-document view transitions — header/footer hold still, content
   slips. Browsers without support simply navigate normally. */
@view-transition {
  navigation: auto;
}

@media (prefers-reduced-motion: no-preference) {
  .forge-header { view-transition-name: forge-header; }
  .forge-footer { view-transition-name: forge-footer; }

  ::view-transition-old(root) {
    animation: forge-vt-out 0.28s ease both;
  }
  ::view-transition-new(root) {
    animation: forge-vt-in 0.46s cubic-bezier(0.22, 1, 0.36, 1) both;
  }
}

@keyframes forge-vt-out {
  to { opacity: 0; transform: translateY(-12px); }
}
@keyframes forge-vt-in {
  from { opacity: 0; transform: translateY(16px); }
}

@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(*),
  ::view-transition-old(*),
  ::view-transition-new(*) {
    animation: none !important;
  }
}

body {
  margin: 0;
  background-color: var(--bone);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

/* Paper grain — one fixed layer of SVG turbulence at whisper opacity. */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 2147482000;
  pointer-events: none;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E");
}

img { max-width: 100%; height: auto; }

a { color: inherit; }

::selection { background: var(--molten); color: var(--ink); }

.forge-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 2147483000;
  padding: 0.6rem 1rem;
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}
.forge-skip:focus { left: 0.5rem; top: 0.5rem; }


/* =========================================================================
   3. Type system
   ========================================================================= */
.forge-display {
  font-family: var(--font-display);
  font-weight: 400;
  /* Besley runs wider and sturdier than a display serif — sizes trimmed ~8%
     and tracking tightened so headlines keep their measure. */
  font-size: clamp(1.95rem, 4.2vw, 3.4rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
}

.forge-display em {
  font-style: italic;
  /* Flat marker bar under the italic word — hard stops, no gradient ramp. */
  background-image: linear-gradient(to top, transparent 8%, var(--molten) 8%, var(--molten) 44%, transparent 44%);
  padding-inline: 0.04em;
}

.spec-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 1.1rem;
}

.spec-label__slash { color: var(--gold); margin-right: 0.35em; }

.spec-label--bone { color: var(--bone-on-ink); }
.spec-label a { text-decoration: none; }
.spec-label a:hover { color: var(--ink); }

/* =========================================================================
   4. Buttons
   ========================================================================= */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1;
  padding: 0.95em 1.7em;
  border-radius: 999px;
  text-decoration: none;
  border: 1.5px solid var(--ink);
  position: relative;
  overflow: hidden;
  z-index: 0;
  transition: color 0.18s linear;
}

.btn--ink { background: var(--ink); color: var(--bone); }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--lg { font-size: 1.05rem; padding: 1.05em 2em; }

/* Molten swipe fill on hover */
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--molten);
  transform: translateY(101%);
  transition: transform 0.26s var(--ease-out);
}
.btn:hover::before, .btn:focus-visible::before { transform: translateY(0); }
.btn:hover, .btn:focus-visible { color: var(--ink); }

/* =========================================================================
   5. Header
   ========================================================================= */
/* WP wraps template parts in a container exactly as tall as the header —
   sticky must live on the wrapper or it has no room to travel. */
header.wp-block-template-part {
  position: sticky;
  top: 0;
  z-index: 1000;
}
body.admin-bar header.wp-block-template-part { top: 32px; }

.forge-header {
  background: var(--bone);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s linear;
}
.forge-header.is-scrolled { border-bottom-color: var(--line); }

.forge-header__in {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1.05rem var(--gutter);
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.forge-brand {
  font-family: var(--font-logo);
  font-weight: 800; /* Doto needs heft to read at small sizes */
  font-size: 1.05rem;
  letter-spacing: 0.2em;
  text-decoration: none;
}
.forge-brand__sep { color: var(--gold); padding: 0 0.18em; }

.forge-nav {
  display: flex;
  gap: 1.9rem;
  margin-left: auto;
}
.forge-nav a {
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  position: relative;
}
.forge-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -4px;
  height: 2px;
  background: var(--molten);
  transition: right 0.22s var(--ease-out);
}
.forge-nav a:hover::after { right: 0; }

.forge-header__end { display: flex; align-items: center; gap: 1rem; }
.forge-header__cta { font-size: 0.85rem; padding: 0.8em 1.45em; }

.forge-menu-btn {
  display: none;
  width: 42px;
  height: 42px;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  position: relative;
}
.forge-menu-btn span {
  position: absolute;
  left: 11px;
  right: 11px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.22s var(--ease-out), top 0.22s var(--ease-out);
}
.forge-menu-btn span:nth-child(1) { top: 16px; }
.forge-menu-btn span:nth-child(2) { top: 24px; }
.forge-menu-btn[aria-expanded='true'] span:nth-child(1) { top: 20px; transform: rotate(45deg); }
.forge-menu-btn[aria-expanded='true'] span:nth-child(2) { top: 20px; transform: rotate(-45deg); }

.forge-drawer {
  display: none;
  border-top: 1px solid var(--line);
  padding: 1.4rem var(--gutter) 1.8rem;
}
.forge-drawer.is-open { display: block; }
.forge-drawer__nav { display: flex; flex-direction: column; gap: 0.35rem; margin-bottom: 1.2rem; }
.forge-drawer__nav a {
  font-family: var(--font-display);
  font-size: 2rem;
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
  padding: 0.45rem 0;
}

/* =========================================================================
   6. Layout shells
   ========================================================================= */
/* The traveling WebGL layer sits between the page background and the
   content: transparent regions of the page reveal it; cards, bands, and
   the ink sections paint over it (the sculpture passes behind them). */
.forge-gl-canvas {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.forge-main,
.forge-footer {
  position: relative;
  z-index: 2;
}

.forge-main { display: block; }

.forge-main > section,
.forge-main > .forge-svc-list,
.forge-main > .forge-cases-grid-wrap {
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
  padding: var(--section-gap) var(--gutter) 0;
}

.forge-main > section:last-child { padding-bottom: var(--section-gap); }

.forge-section-head { position: relative; margin-bottom: clamp(2rem, 4vw, 3.2rem); max-width: 880px; }
.forge-section-head__sub { color: var(--ink-soft); font-size: 1.1rem; max-width: 620px; margin: 1.1rem 0 0; }
.forge-section-head__hint {
  position: absolute;
  right: 0;
  top: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--ink-faint);
}
.forge-section-head__more {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}
.forge-section-head__more:hover { border-color: var(--ink); }

/* =========================================================================
   7. Hero
   ========================================================================= */
.forge-hero {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  min-height: min(86dvh, 56rem);
  padding-top: clamp(2rem, 5vw, 4rem) !important;
}

.forge-hero__title {
  font-size: clamp(2.9rem, 6.6vw, 5.9rem);
  line-height: 1.0;
  margin: 0 0 1.4rem;
}

.forge-hero__sub {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  color: var(--ink-soft);
  max-width: 30rem;
  margin: 0 0 2.1rem;
}

.forge-hero__ctas { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-bottom: 2.6rem; }

.forge-hero__proof {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: var(--ink-faint);
  margin: 0;
}

.forge-hero__stage { position: relative; }

.forge-stage {
  position: relative;
  aspect-ratio: 4 / 4.6;
  max-height: 74dvh;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 2px;
  background:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: center;
  overflow: hidden;
}
.forge-stage canvas { display: block; width: 100%; height: 100%; }

.forge-stage__plate {
  margin: 0.7rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
  text-align: right;
}

/* =========================================================================
   8. Ticker
   ========================================================================= */
.forge-ticker {
  margin-top: var(--section-gap);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  white-space: nowrap;
  padding: 0.85rem 0;
}
.forge-ticker__track {
  display: inline-block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--ink-soft);
  animation: forge-ticker 38s linear infinite;
}
.forge-ticker:hover .forge-ticker__track { animation-play-state: paused; }
@keyframes forge-ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* =========================================================================
   9. Statement
   ========================================================================= */
.forge-statement { max-width: var(--max-w); }
.forge-statement__line { font-size: clamp(2.3rem, 5.4vw, 4.7rem); max-width: 18ch; }
.forge-statement__sub {
  margin: 1.4rem 0 0;
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 46ch;
}

/* =========================================================================
   10. Featured work — draggable rail
   ========================================================================= */
.forge-work { overflow: visible; }

.forge-carousel {
  overflow: hidden;
  cursor: grab;
  margin-right: calc(var(--gutter) * -1);
}
.forge-carousel:active { cursor: grabbing; }

.forge-carousel__track {
  display: flex;
  gap: clamp(1rem, 2vw, 1.6rem);
  width: max-content;
  padding-right: var(--gutter);
}

.forge-case {
  width: clamp(300px, 30vw, 430px);
  flex: none;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--bone-2);
  padding: clamp(1.4rem, 2vw, 2rem);
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 380px;
  transition: border-color 0.16s linear, background-color 0.16s linear;
}
.forge-case:hover { border-color: var(--ink); background: var(--bone); }

.forge-case__num {
  position: absolute;
  top: 1.1rem;
  right: 1.3rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 2rem;
  color: var(--ink-faint);
  margin: 0;
}

.forge-case__client {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 2rem;
  margin: 0.4rem 0 0.8rem;
}

.forge-case__problem { color: var(--ink-soft); margin: 0 0 1.4rem; font-size: 0.98rem; }

.forge-case__metric {
  margin-top: auto;
  border-top: 1px solid var(--line-soft);
  padding-top: 1rem;
  font-size: 0.95rem;
  margin-bottom: 0;
}
.forge-case__metric span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.35rem;
}

.forge-case__link {
  margin-top: 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  align-self: flex-start;
  padding-bottom: 2px;
}
.forge-case__link:hover { border-color: var(--ink); }

/* =========================================================================
   11. Value chain (CK remap) — backend → frontend, left to right;
   consulting spans the whole chain beneath. Built by GSAP on scroll.
   ========================================================================= */
.forge-chain__axis {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  color: var(--ink-faint);
  margin: 0 0 0.7rem;
}

.forge-chain__stages {
  display: flex;
  align-items: stretch;
  gap: 0;
}

.forge-chain__stage {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: clamp(1.2rem, 2vw, 1.8rem);
  background: var(--bone-2);
  border: 1px solid var(--line);
  border-radius: 2px;
  text-decoration: none;
  position: relative;
  z-index: 0;
  transition: border-color 0.15s linear, background-color 0.15s linear;
}
.forge-chain__stage:hover { border-color: var(--ink); background: var(--bone); }

.forge-chain__num { font-family: var(--font-mono); font-size: 0.72rem; color: var(--gold); }
.forge-chain__name { font-family: var(--font-display); font-size: clamp(1.25rem, 1.9vw, 1.7rem); line-height: 1.12; }
.forge-chain__line { color: var(--ink-soft); font-size: 0.88rem; }

.forge-chain__link {
  flex: 0 0 clamp(2rem, 3.4vw, 3.4rem);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.forge-chain__wire {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1.5px;
  background: var(--gold);
  transform-origin: left center;
}
.forge-chain__tip {
  position: relative;
  font-size: 1.05rem;
  color: var(--gold);
  background: var(--bone);
  padding: 0 0.15em;
}

.forge-chain__span {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: 1.2rem;
  margin-top: clamp(0.9rem, 1.6vw, 1.4rem);
  padding: 1.05rem clamp(1.2rem, 2vw, 1.8rem);
  background: var(--ink);
  color: var(--bone-on-ink);
  border-radius: 2px;
  text-decoration: none;
  border: 1px solid var(--ink);
}
.forge-chain__span .forge-chain__num { color: var(--molten); }
.forge-chain__span .forge-chain__name { color: var(--bone-on-ink); font-size: clamp(1.15rem, 1.8vw, 1.55rem); }
.forge-chain__line--span { color: rgba(240, 236, 223, 0.6); text-align: right; }
.forge-chain__span:hover .forge-chain__name { text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; }

/* =========================================================================
   12. Engagements
   ========================================================================= */
.forge-engage__viewport { overflow: hidden; }

.forge-engage__track {
  display: flex;
  gap: clamp(1rem, 2vw, 1.6rem);
  width: max-content;
}

.forge-engage__card {
  width: clamp(280px, 26vw, 380px);
  flex: none;
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: clamp(1.4rem, 2vw, 2rem);
  background: var(--bone);
  min-height: 240px;
  display: flex;
  flex-direction: column;
}
.forge-engage__card:nth-child(even) { background: var(--bone-2); }

.forge-engage__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--gold);
  margin: 0 0 2.2rem;
}
.forge-engage__name { font-family: var(--font-display); font-weight: 400; font-size: 1.7rem; margin: 0 0 0.7rem; }
.forge-engage__line { color: var(--ink-soft); margin: 0; font-size: 0.97rem; }
.forge-engage__note {
  margin: 1.6rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

.forge-engage--static .forge-engage__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.6rem);
}
.forge-engage--static .forge-engage__card { width: auto; }

/* =========================================================================
   13. Labs
   ========================================================================= */
.forge-labs__chips { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 2.2rem; }

.forge-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.55em 1.05em;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-decoration: none;
  background: var(--bone);
  transition: border-color 0.15s linear, background-color 0.15s linear;
}
.forge-chip:hover { border-color: var(--ink); background: var(--bone-2); }

.forge-chip__dot { width: 7px; height: 7px; border-radius: 1px; background: var(--ink-faint); }
.forge-chip__dot--live { background: var(--molten); outline: 1px solid var(--gold); }

.forge-chip__status {
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.forge-labs__demos {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.6rem);
}

.forge-demo {
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--bone-2);
  padding: clamp(1.3rem, 2vw, 1.9rem);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  transition: border-color 0.15s linear, background-color 0.15s linear;
}
.forge-demo:hover { border-color: var(--ink); background: var(--bone); }
.forge-demo .spec-label { margin: 0; }
.forge-demo__desc { color: var(--ink-soft); font-size: 0.95rem; }
.forge-demo__action {
  font-family: var(--font-mono);
  font-size: 1.02rem;
  font-weight: 600;
  margin-top: 0.4rem;
}

/* Labs page grid */
.forge-labs-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.6rem);
}

.forge-lab {
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: clamp(1.2rem, 1.6vw, 1.7rem);
  background: var(--bone);
  display: flex;
  flex-direction: column;
}
.forge-lab:hover { border-color: var(--ink); }

.forge-lab__status {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.3em 0.7em;
  border-radius: 999px;
  border: 1px solid var(--line);
  margin: 0 0 1.1rem;
}
.forge-lab__status--live { background: var(--molten); border-color: var(--gold); }

.forge-lab__name { font-family: var(--font-display); font-weight: 400; font-size: 1.45rem; margin: 0 0 0.5rem; }
.forge-lab__desc { color: var(--ink-soft); font-size: 0.92rem; margin: 0 0 1rem; }
.forge-lab__tags {
  margin-top: auto;
  margin-bottom: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}

/* =========================================================================
   13b. Services accordion (CK: collapsible 01–04, one open at a time).
   CSS grid-rows transition so it works with or without GSAP/reduced motion.
   ========================================================================= */
.forge-acc-wrap { margin-top: var(--section-gap); padding-top: 0 !important; }

.forge-acc { border-top: 1px solid var(--line); }

.forge-acc__item { border-bottom: 1px solid var(--line); }

.forge-acc__heading { margin: 0; }

.forge-acc__btn {
  display: grid;
  grid-template-columns: 4rem 1fr 2.4rem;
  align-items: center;
  gap: 1rem;
  width: 100%;
  padding: 1.35rem 0.4rem;
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: inherit;
}
.forge-acc__btn:hover .forge-acc__name { text-decoration: underline; text-underline-offset: 5px; text-decoration-thickness: 1px; }

.forge-acc__num { font-family: var(--font-mono); font-size: 0.78rem; color: var(--gold); }
.forge-acc__name { font-family: var(--font-display); font-size: clamp(1.5rem, 2.8vw, 2.3rem); line-height: 1.1; }

.forge-acc__icon {
  position: relative;
  width: 22px;
  height: 22px;
  justify-self: end;
}
.forge-acc__icon::before,
.forge-acc__icon::after {
  content: '';
  position: absolute;
  background: var(--ink);
  transition: transform 0.28s var(--ease-out);
}
.forge-acc__icon::before { left: 0; right: 0; top: 10px; height: 1.5px; }
.forge-acc__icon::after { top: 0; bottom: 0; left: 10px; width: 1.5px; }
.forge-acc__item.is-open .forge-acc__icon::after { transform: scaleY(0); }

.forge-acc__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s var(--ease-out);
}
.forge-acc__item.is-open .forge-acc__panel { grid-template-rows: 1fr; }

.forge-acc__inner { overflow: hidden; min-height: 0; }

.forge-acc__part { padding: 0.4rem 0.4rem 2rem 5rem; }
.forge-acc__part + .forge-acc__part { border-top: 1px dashed var(--line-soft); padding-top: 1.6rem; }

.forge-acc__cols {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(1.2rem, 3vw, 3rem);
}

@media (prefers-reduced-motion: reduce) {
  .forge-acc__panel, .forge-acc__icon::before, .forge-acc__icon::after { transition: none; }
}

/* =========================================================================
   13c. Labs groups (descriptor-led building blocks)
   ========================================================================= */
.forge-labs-group { margin-bottom: clamp(1.6rem, 3vw, 2.6rem); }
.forge-labs-group__label { margin-bottom: 1rem; }

/* =========================================================================
   14. Proof — ink band
   ========================================================================= */
.forge-proof {
  max-width: none !important;
  background: var(--ink);
  color: var(--bone-on-ink);
  margin-top: var(--section-gap);
  padding: var(--section-gap) var(--gutter) !important;
}

.forge-proof__in { max-width: var(--max-w); margin: 0 auto; }

.forge-proof__head { color: var(--bone-on-ink); margin-bottom: clamp(2rem, 4vw, 3.4rem); }
.forge-proof__head em {
  background-image: linear-gradient(to top, transparent 8%, rgba(255, 222, 13, 0.28) 8%, rgba(255, 222, 13, 0.28) 44%, transparent 44%);
}

/* KPI proof-point cards (CK: replace testimonials). */
.forge-kpis {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2.4vw, 2.4rem);
}

.forge-kpi {
  border-top: 1px solid var(--line-on-ink);
  padding-top: 1.4rem;
}

.forge-kpi__value {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5vw, 4.4rem);
  line-height: 1;
  margin: 0 0 0.9rem;
  color: var(--molten);
}

.forge-kpi__line {
  font-size: 0.96rem;
  color: rgba(240, 236, 223, 0.82);
  margin: 0 0 1rem;
}

.forge-kpi__by {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(240, 236, 223, 0.55);
  margin: 0;
}
.forge-kpi__by span { color: var(--molten); }

/* =========================================================================
   15. Insights
   ========================================================================= */
.forge-insights__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.6rem);
}

.forge-post {
  border-top: 1px solid var(--line);
  padding: 1.4rem 0.2rem 1.6rem;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: background-color 0.15s linear;
}
.forge-post:hover { background: var(--bone-2); }

.forge-post__date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 0.9rem;
}
.forge-post__title { font-family: var(--font-display); font-weight: 400; font-size: 1.5rem; line-height: 1.15; margin: 0 0 0.7rem; }
.forge-post__title a { text-decoration: none; }
.forge-post__excerpt { color: var(--ink-soft); font-size: 0.94rem; margin: 0 0 1rem; }
.forge-post__more { margin-top: auto; font-size: 1.1rem; }

/* Insights index (query loop) */
.forge-insights-index .forge-insights__grid--index {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.6rem);
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.forge-insights-index .forge-query { padding-bottom: var(--section-gap); }
.forge-insights-index .forge-post__excerpt p { margin: 0; }

.forge-pagination {
  max-width: var(--max-w);
  margin: 2.5rem auto 0;
  padding: 0 var(--gutter);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  gap: 1rem;
}
.forge-pagination a { text-decoration: none; border-bottom: 1px solid var(--line); }

/* =========================================================================
   16. CTA
   ========================================================================= */
.forge-cta {
  text-align: left;
  border-top: 1px solid var(--line);
  padding-bottom: var(--section-gap) !important;
}
.forge-cta__head { font-size: clamp(2.5rem, 5.8vw, 5rem); margin-bottom: 1.6rem; }
.forge-cta__btns { display: flex; flex-wrap: wrap; gap: 0.9rem; margin: 0 0 1.4rem; }
.forge-cta__note { font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); margin: 0; }

/* =========================================================================
   17. Footer
   ========================================================================= */
.forge-footer {
  background: var(--ink);
  color: var(--bone-on-ink);
  padding: clamp(3rem, 6vw, 5rem) var(--gutter) 2rem;
}

.forge-footer__wordmark {
  /* Doto dot-matrix at mural scale — solid faint bone; stroke outlines
     would turn each dot into a ring, so opacity carries the quietness. */
  font-family: var(--font-logo);
  font-weight: 700;
  font-size: clamp(2.4rem, 9vw, 8.5rem);
  line-height: 0.95;
  letter-spacing: 0.04em;
  color: rgba(240, 236, 223, 0.42);
  text-align: center;
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
  user-select: none;
}
.forge-footer__wordmark span { color: var(--molten); }

a.forge-footer__wordmark {
  display: block;
  text-decoration: none;
  transition: color 0.18s linear;
}
a.forge-footer__wordmark:hover,
a.forge-footer__wordmark:focus-visible {
  color: rgba(240, 236, 223, 0.75);
}

.forge-footer__grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
  border-top: 1px solid var(--line-on-ink);
  padding-top: 2.4rem;
}

.forge-footer .spec-label { color: rgba(240, 236, 223, 0.55); }

.forge-footer__nav { display: flex; flex-direction: column; gap: 0.45rem; }
.forge-footer__nav a {
  text-decoration: none;
  font-size: 0.95rem;
  color: var(--bone-on-ink);
  opacity: 0.85;
}
.forge-footer__nav a:hover { opacity: 1; text-decoration: underline; text-underline-offset: 3px; }

.forge-footer__note { font-size: 0.85rem; color: rgba(240, 236, 223, 0.55); margin: 1rem 0 0; }

.forge-footer__base {
  max-width: var(--max-w);
  margin: 2.8rem auto 0;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line-on-ink);
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 2rem;
  justify-content: space-between;
  align-items: baseline;
}
.forge-footer__tag { font-family: var(--font-display); font-style: italic; font-size: 1.1rem; margin: 0; color: rgba(240, 236, 223, 0.75); }
.forge-footer__spec { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.16em; color: rgba(240, 236, 223, 0.45); margin: 0; }
.forge-footer__spec span { color: var(--molten); }

/* =========================================================================
   18. Inner pages
   ========================================================================= */
.forge-inner-hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 5.5rem) var(--gutter) 0;
}
.forge-inner-hero__title { font-size: clamp(2.5rem, 5.9vw, 5.2rem); }
.forge-inner-hero__intro {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  color: var(--ink-soft);
  max-width: 38rem;
  margin: 1.6rem 0 0;
}

/* Services blocks */
.forge-svc-list { border-top: 1px solid var(--line); margin-top: var(--section-gap); padding-top: 0 !important; }

.forge-svc {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  padding: clamp(2.5rem, 5vw, 4rem) 0;
  border-bottom: 1px solid var(--line);
}

.forge-svc__num { font-family: var(--font-mono); font-size: 0.8rem; color: var(--gold); margin: 0 0 1rem; }
.forge-svc__name { font-size: clamp(1.9rem, 3.4vw, 2.9rem); max-width: 14ch; }

.forge-svc__spec { margin: 0 0 1.8rem; }
.forge-svc__spec > div { margin-bottom: 1.1rem; }
.forge-svc__spec dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.3rem;
}
.forge-svc__spec dd { margin: 0; color: var(--ink); }

.forge-svc__caps ul {
  margin: 0.6rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem 1.2rem;
}
.forge-svc__caps li {
  font-size: 0.92rem;
  color: var(--ink-soft);
  padding-left: 1.1em;
  position: relative;
}
.forge-svc__caps li::before { content: '//'; position: absolute; left: 0; color: var(--gold); font-family: var(--font-mono); font-size: 0.75em; top: 0.25em; }

/* Work page grid */
.forge-cases-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.6rem);
}
.forge-cases-grid .forge-case { width: auto; min-height: 320px; }

/* About */
.forge-about-block { max-width: var(--max-w); }
.forge-about-block__lede { font-size: clamp(1.15rem, 2vw, 1.5rem); max-width: 50rem; margin: 0; }

.forge-about-list { margin: 0; padding: 0; list-style: none; max-width: 50rem; }
.forge-about-list li { border-top: 1px solid var(--line-soft); padding: 1.1rem 0.2rem; }
.forge-about-list li:last-child { border-bottom: 1px solid var(--line-soft); }

.forge-compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.6rem);
}
.forge-compare__col {
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: clamp(1.3rem, 2vw, 2rem);
}
.forge-compare__col--theatre { background: var(--bone-2); color: var(--ink-soft); }
.forge-compare__col--bynry { background: var(--ink); color: var(--bone-on-ink); }
.forge-compare__col--bynry .spec-label { color: var(--molten); }
.forge-compare__col ul { margin: 0; padding-left: 1.1em; }
.forge-compare__col li { margin-bottom: 0.6rem; }

.forge-founders {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.6rem);
}
.forge-founder {
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: clamp(1.4rem, 2.4vw, 2.2rem);
  background: var(--bone-2);
}
.forge-founder__mark {
  width: 74px;
  height: 74px;
  border-radius: 999px;
  border: 1.5px solid var(--ink);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.6rem;
  margin: 0 0 1.3rem;
  background: var(--molten);
}
.forge-founder__name { font-family: var(--font-display); font-weight: 400; font-size: 1.8rem; margin: 0 0 0.6rem; }
.forge-founder__bio { color: var(--ink-soft); margin: 0; }

/* Contact quest — Forge skin over the original six-question flow.
   The wrap stays a normal centered section (same margins as the header
   and hero); only the quest content itself narrows to a column. */
.forge-quest,
.forge-quest-skip {
  position: relative;
  max-width: 880px;
}

.forge-quest__bar {
  height: 2px;
  background: var(--line-soft);
  margin: 0.4rem 0 1.8rem;
}
.forge-quest__bar-fill {
  display: block;
  height: 100%;
  background: var(--gold);
  transition: width 0.4s var(--ease-out);
}

.forge-quest__q {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  line-height: 1.08;
  margin: 0 0 0.7rem;
}

.forge-quest__foreman { color: var(--ink-soft); margin: 0 0 1.8rem; max-width: 46rem; }

.forge-quest__choices {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}
.forge-quest__choices--prio { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 0.6rem; }

.forge-quest__choice {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  text-align: left;
  padding: 1rem 1.1rem;
  background: var(--bone-2);
  border: 1px solid var(--line);
  border-radius: 2px;
  cursor: pointer;
  font: inherit;
  color: inherit;
  transition: border-color 0.14s linear, background-color 0.14s linear;
}
.forge-quest__choice:hover { border-color: var(--ink); background: var(--bone); }
.forge-quest__choice.is-selected {
  border-color: var(--ink);
  background: var(--bone);
  box-shadow: inset 0 0 0 1.5px var(--ink), inset 4px 0 0 0 var(--molten);
}

.forge-quest__choice-label { font-weight: 600; font-size: 0.98rem; }
.forge-quest__choice-sub { color: var(--ink-soft); font-size: 0.85rem; }
.forge-quest__choice-hint { font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gold); margin-top: 0.25rem; }

.forge-quest__ta {
  width: 100%;
  box-sizing: border-box;
  background: var(--bone-2);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 1rem 1.1rem;
  font: inherit;
  color: inherit;
  resize: vertical;
  min-height: 9rem;
}
.forge-quest__ta:focus { outline: none; border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }

.forge-quest__count { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.06em; color: var(--ink-faint); margin: 0.5rem 0 1.2rem; }
.forge-quest__count.is-ready { color: var(--gold); }

.forge-quest__flag {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin: 0.4rem 0 1.2rem;
  cursor: pointer;
}
.forge-quest__flag input { margin-top: 0.25em; accent-color: var(--gold); }

.forge-quest__sublabel { margin-top: 1.4rem; }

.forge-quest__contact { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.9rem 1.2rem; }
.forge-quest__field { display: flex; flex-direction: column; gap: 0.35rem; }
.forge-quest__field-label { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft); }
.forge-quest__input {
  background: var(--bone-2);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 0.8rem 0.95rem;
  font: inherit;
  color: inherit;
}
.forge-quest__input:focus { outline: none; border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }

.forge-quest__contact .forge-quest__flag,
.forge-quest__contact .forge-quest__lookup-hint,
.forge-quest__contact .forge-quest__lookup { grid-column: 1 / -1; }
.forge-quest__lookup-hint { font-size: 0.8rem; color: var(--ink-faint); margin: -0.6rem 0 0; }

.forge-quest__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.forge-quest__lookup { border: 1px dashed var(--line); border-radius: 2px; padding: 0.9rem 1rem; min-height: 2.4rem; }
.forge-quest__lookup .spec-label { margin-bottom: 0.4rem; }
.forge-quest__lookup-text { margin: 0 0 0.4rem; font-size: 0.94rem; }
.forge-quest__lookup-note { margin: 0; font-size: 0.8rem; color: var(--ink-faint); }
.forge-quest__lookup-note.is-loading::after { content: ' ▮'; color: var(--gold); animation: forge-blink 1s steps(1) infinite; }
@keyframes forge-blink { 50% { opacity: 0; } }

.forge-quest__nav { display: flex; align-items: center; gap: 1.2rem; margin-top: 1.8rem; flex-wrap: wrap; }
.forge-quest__back {
  background: none;
  border: 0;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-soft);
  padding: 0.4rem 0;
}
.forge-quest__back:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.forge-quest__err { margin: 0; font-size: 0.85rem; color: #9c3915; flex-basis: 100%; min-height: 1.2em; }

.forge-quest__summary {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.7;
  background: var(--bone-2);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 1.4rem 1.5rem;
  white-space: pre-wrap;
  overflow-x: auto;
  margin: 0 0 1.6rem;
}

.forge-quest__actions { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.forge-quest__done .forge-quest__q { color: var(--ink); }

.forge-quest__hurry { margin: 1.4rem 0 0; }
.forge-quest__hurry-link {
  background: none;
  border: 0;
  padding: 0 0 2px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
}
.forge-quest__hurry-link:hover { color: var(--ink); border-color: var(--ink); }

.forge-quest-skip { margin-top: 1.8rem; }
.forge-quest-skip a {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}
.forge-quest-skip a:hover { border-color: var(--ink); }

@media (max-width: 767px) {
  .forge-quest__choices, .forge-quest__choices--prio, .forge-quest__contact { grid-template-columns: 1fr; }
}

/* Contact paths */
.forge-paths {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.6rem);
}
.forge-path {
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--bone-2);
  padding: clamp(1.6rem, 3vw, 2.6rem);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  min-height: 280px;
  transition: border-color 0.15s linear, background-color 0.15s linear;
}
.forge-path:hover { border-color: var(--ink); background: var(--bone); }
.forge-path__num { font-family: var(--font-mono); font-size: 0.78rem; color: var(--gold); margin: 0 0 2rem; }
.forge-path__title { font-family: var(--font-display); font-weight: 400; font-size: clamp(1.7rem, 2.6vw, 2.3rem); margin: 0 0 0.8rem; }
.forge-path__line { color: var(--ink-soft); margin: 0 0 1.6rem; }
.forge-path__action { margin-top: auto; font-family: var(--font-mono); font-size: 0.95rem; font-weight: 600; }

.forge-contact-note { padding-bottom: var(--section-gap) !important; }
.forge-contact-note__line { font-family: var(--font-display); font-style: italic; font-size: clamp(1.4rem, 2.6vw, 2rem); margin: 0; }

/* Prose page / single */
.forge-prose-page, .forge-single { padding: clamp(3rem, 7vw, 5rem) var(--gutter) var(--section-gap); max-width: 820px !important; margin: 0 auto; }
.forge-page-title { font-family: var(--font-display); font-weight: 400; font-size: clamp(2.4rem, 5vw, 4rem); line-height: 1.05; margin-bottom: 1rem; }
.forge-single__date { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 2.4rem; }
.forge-single__back { margin-bottom: 2rem; }

/* 404 */
.forge-404 { min-height: 55dvh; display: grid; place-items: center; padding: var(--section-gap) var(--gutter); }
.forge-404__in { text-align: center; }
.forge-404__title { font-size: clamp(2.6rem, 6vw, 5rem); margin-bottom: 1rem; }
.forge-404__sub { color: var(--ink-soft); margin: 0 0 2rem; }

/* =========================================================================
   18b. Casting intro — once-per-session overlay (built by forge-motion.js)
   ========================================================================= */
.forge-intro {
  position: fixed;
  inset: 0;
  z-index: 2147482500;
  background: var(--bone);
  display: grid;
  place-items: center;
}

.forge-intro__bars {
  display: flex;
  gap: clamp(10px, 1.1vw, 20px);
  height: 30vh;
  transform: skewX(-16deg);
}

.forge-intro__bar {
  width: clamp(26px, 3.2vw, 52px);
  background: var(--molten);
  border: 1.5px solid var(--ink);
  transform-origin: top center;
}

.forge-intro__cap {
  position: absolute;
  bottom: 11vh;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0;
  white-space: nowrap;
}

/* =========================================================================
   19. Motion-pending FOUC guards (forge-motion.js reveals; 2.5s failsafe)
   ========================================================================= */
html.forge-pending .forge-hero__copy > *,
html.forge-pending .forge-stage,
html.forge-pending .forge-inner-hero > * {
  visibility: hidden;
}

/* =========================================================================
   20. Responsive
   ========================================================================= */
@media (max-width: 1023px) {
  .forge-labs-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .forge-svc { grid-template-columns: 1fr; gap: 1.6rem; }
  .forge-acc__cols { grid-template-columns: 1fr; gap: 1.4rem; }
}

@media (max-width: 767px) {
  .forge-nav, .forge-header__cta { display: none; }
  .forge-menu-btn { display: block; margin-left: auto; }
  .forge-header__end { margin-left: auto; }
  .forge-header__in { gap: 1rem; }

  .forge-hero {
    grid-template-columns: 1fr;
    min-height: 0;
    gap: 2.4rem;
  }
  .forge-stage { aspect-ratio: 4 / 3.4; max-height: 52dvh; }

  .forge-insights__grid,
  .forge-insights-index .forge-insights__grid--index,
  .forge-labs__demos,
  .forge-cases-grid,
  .forge-compare,
  .forge-founders,
  .forge-paths,
  .forge-engage--static .forge-engage__grid,
  .forge-kpis,
  .forge-labs-grid { grid-template-columns: 1fr; }

  /* Value chain stacks vertically on mobile: backend at top, arrows down. */
  .forge-chain__axis { flex-direction: column; gap: 0.1rem; }
  .forge-chain__axis span:last-child { display: none; }
  .forge-chain__stages { flex-direction: column; }
  .forge-chain__link { flex-basis: 2.2rem; }
  .forge-chain__wire { left: 50%; right: auto; top: 0; bottom: 0; width: 1.5px; height: auto; transform-origin: center top; }
  .forge-chain__tip { transform: rotate(90deg); }
  .forge-chain__span { grid-template-columns: auto 1fr; }
  .forge-chain__line--span { display: none; }

  .forge-acc__btn { grid-template-columns: 2.6rem 1fr 1.8rem; padding: 1.1rem 0.2rem; }
  .forge-acc__part { padding-left: 0.2rem; }

  .forge-svc__caps ul { grid-template-columns: 1fr; }

  /* Horizontal rails become swipe rails on touch */
  .forge-carousel, .forge-engage__viewport { overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .forge-carousel::-webkit-scrollbar, .forge-engage__viewport::-webkit-scrollbar { display: none; }

  .forge-footer__grid { grid-template-columns: 1fr; gap: 1.8rem; }
  .forge-section-head__hint { display: none; }
}

/* =========================================================================
   21. Reduced motion
   ========================================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .forge-ticker__track { animation: none; }
  .btn::before { transition: none; }
  .forge-row::before { transition: none; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}