/* ============================================================
   Home — v3 (red/grey/black, slider hero)
   ============================================================ */

/* ============================================================
   HERO SLIDER
   ============================================================ */
.hero-slider {
  position: relative;
  padding: 140px 0 64px;
  min-height: 88vh;
  overflow: hidden;
}
.hero-slider .grid-bg { opacity: 0.8; }
.hero-slider .glow.g1 {
  width: 600px; height: 600px;
  top: -200px; left: -120px;
  background: radial-gradient(circle, var(--brand-tint), transparent 70%);
}
.hero-slider .glow.g2 {
  width: 500px; height: 500px;
  bottom: -200px; right: -120px;
  background: radial-gradient(circle, rgba(20,18,18,0.05), transparent 70%);
}

.hslider-frame {
  position: relative;
  z-index: 2;
}

.hslide {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  align-items: center;
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
  pointer-events: none;
}
.hslide.active {
  opacity: 1;
  transform: none;
  pointer-events: auto;
  position: relative;
}

.hslide-copy .tag { margin-bottom: 22px; }
.hslide-copy .eyebrow { margin-bottom: 18px; }
.hslide-copy h1 { margin-bottom: 22px; }
.hslide-copy .lede { margin-bottom: 36px; }
.hslide-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* Slide visuals: each slide gets a unique frame */
.hslide-viz {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 560px;
  margin-left: auto;
}

/* Universal device-card scaffolding */
.viz-card {
  background: var(--bg-1);
  border: 1px solid var(--border-md);
  border-radius: var(--r-lg);
  box-shadow: 0 30px 80px -30px rgba(20,18,18,0.18);
  overflow: hidden;
  position: absolute;
}
.viz-head {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-0);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-2);
}
.viz-head .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--fg-4); }
.viz-head .dot.r { background: #d6322aaa; }
.viz-head .dot.y { background: #b86b1eaa; }
.viz-head .dot.g { background: #2c8a55aa; }
.viz-head .viz-title { margin-left: 10px; }

/* Slide 1 — Enterprise systems topology */
.viz-topo {
  width: 100%;
  height: 100%;
  position: relative;
}
.viz-topo .ring {
  position: absolute;
  inset: 0;
  border: 1px solid var(--border);
  border-radius: 50%;
}
.viz-topo .ring.r2 { inset: 10%; }
.viz-topo .ring.r3 { inset: 22%; border-color: var(--border-md); }
.viz-topo .ring.r4 { inset: 36%; }
.viz-topo .core {
  position: absolute;
  inset: 42%;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--brand-hi), var(--brand) 55%, var(--brand-deep));
  box-shadow: 0 0 60px var(--brand-glow), inset 0 0 24px rgba(20,18,18,0.25);
  display: grid;
  place-items: center;
}
.viz-topo .core::after {
  content: "";
  position: absolute;
  inset: 14%;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.45);
}
.viz-topo .core .label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: #fff;
  text-transform: uppercase;
  z-index: 1;
}
.viz-topo .orbit {
  position: absolute;
  inset: 22%;
  animation: orbit 24s linear infinite;
}
.viz-topo .orbit.r2 { inset: 10%; animation-duration: 36s; animation-direction: reverse; }
.viz-topo .orbit.r3 { inset: 36%; animation-duration: 16s; }
@keyframes orbit { to { transform: rotate(360deg); } }
.viz-topo .node {
  position: absolute;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--fg-0);
  transform: translate(-50%, -50%);
}
.viz-topo .node.brand { background: var(--brand); box-shadow: 0 0 12px var(--brand-glow); }
.viz-topo .node.dim { background: var(--fg-3); width: 6px; height: 6px; }
.viz-topo .node.lg { width: 13px; height: 13px; }

/* Slide-card mini overlays */
.sys-card {
  position: absolute;
  background: var(--bg-1);
  border: 1px solid var(--border-md);
  border-radius: 12px;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  box-shadow: 0 10px 30px -10px rgba(20,18,18,0.18);
  min-width: 200px;
  z-index: 3;
}
.sys-card .title { font-size: 9.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-3); margin-bottom: 8px; }
.sys-card .row { display: flex; justify-content: space-between; gap: 16px; }
.sys-card .row + .row { margin-top: 6px; }
.sys-card .key { color: var(--fg-3); }
.sys-card .val { color: var(--fg-0); }
.sys-card .val.good { color: var(--positive); }
.sys-card .val.brand { color: var(--brand); }
.sys-card.tl { top: 4%; left: -4%; }
.sys-card.br { bottom: 6%; right: -2%; }
.sys-card.bl { bottom: 30%; left: -8%; }

/* Slide 2 — GPU cluster */
.viz-rack {
  width: 100%;
  height: 100%;
  background: var(--bg-1);
  border: 1px solid var(--border-md);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 30px 80px -30px rgba(20,18,18,0.18);
  display: flex;
  flex-direction: column;
}
.viz-rack .rack-grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 4px;
  padding: 14px;
  background: var(--bg-0);
}
.viz-rack .gpu {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 5px 4px 4px;
  font-family: var(--font-mono);
  font-size: 8.5px;
  position: relative;
  min-height: 30px;
}
.viz-rack .gpu .gid {
  display: block;
  color: var(--fg-2);
  margin-bottom: 3px;
}
.viz-rack .gpu .gbar { display: block; height: 3px; background: var(--bg-2); border-radius: 2px; overflow: hidden; }
.viz-rack .gpu .gbar span { display: block; height: 100%; }
.viz-rack .gpu.ok { border-color: rgba(44, 138, 85, 0.35); background: rgba(44, 138, 85, 0.04); }
.viz-rack .gpu.ok .gbar span { background: var(--positive); }
.viz-rack .gpu.ok .gid { color: var(--positive); }
.viz-rack .gpu.warn { border-color: rgba(214, 50, 42, 0.4); background: var(--brand-tint); }
.viz-rack .gpu.warn .gbar span { background: var(--brand); }
.viz-rack .gpu.warn .gid { color: var(--brand); }
.viz-rack .gpu.idle { opacity: 0.42; }
.viz-rack .gpu.idle .gbar span { width: 0 !important; }
.viz-rack .rack-foot {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border);
}
.viz-rack .rfrow {
  padding: 10px 12px;
  border-right: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 10.5px;
}
.viz-rack .rfrow:last-child { border-right: 0; }
.viz-rack .rfk { display: block; color: var(--fg-3); font-size: 9px; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 3px; }
.viz-rack .rfv { color: var(--fg-0); }

/* Slide 3 — ERP dashboard */
.viz-erp {
  width: 100%;
  height: 100%;
  background: var(--bg-1);
  border: 1px solid var(--border-md);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 30px 80px -30px rgba(20,18,18,0.18);
  display: flex;
  flex-direction: column;
}
.viz-erp .erp-cells {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1px;
  background: var(--border);
}
.viz-erp .ecell { background: var(--bg-1); padding: 16px; }
.viz-erp .ecell.wide { grid-column: span 3; padding: 14px 16px; background: var(--bg-0); }
.viz-erp .ek { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-3); margin-bottom: 8px; }
.viz-erp .ev { font-size: 24px; font-weight: 500; letter-spacing: -0.022em; color: var(--fg-0); line-height: 1; }
.viz-erp .et { font-family: var(--font-mono); font-size: 10.5px; margin-top: 6px; }
.viz-erp .et.up { color: var(--positive); }
.viz-erp .et.down { color: var(--brand); }
.viz-erp .spark { width: 100%; height: 54px; }

/* Slide 4 — Robotics arm diagram */
.viz-robot {
  width: 100%;
  height: 100%;
  background: var(--bg-1);
  border: 1px solid var(--border-md);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 30px 80px -30px rgba(20,18,18,0.18);
  display: flex;
  flex-direction: column;
}
.viz-robot .canvas {
  flex: 1;
  position: relative;
  background:
    radial-gradient(circle at 50% 100%, rgba(20,18,18,0.06), transparent 60%),
    var(--bg-0);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.viz-robot .canvas::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(20,18,18,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,18,18,0.05) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: radial-gradient(circle at center, #000 0%, transparent 70%);
}
.viz-robot .canvas svg { width: 85%; height: 85%; position: relative; z-index: 1; }
.viz-robot .stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border);
}
.viz-robot .st { padding: 10px 14px; border-right: 1px solid var(--border); font-family: var(--font-mono); font-size: 10.5px; }
.viz-robot .st:last-child { border-right: 0; }
.viz-robot .stk { display: block; color: var(--fg-3); font-size: 9.5px; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 3px; }
.viz-robot .stv { color: var(--fg-0); }

/* Slide 5 — SpaceTech orbital */
.viz-space {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, var(--bg-1), var(--bg-0));
  border: 1px solid var(--border-md);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 30px 80px -30px rgba(20,18,18,0.18);
  position: relative;
}
.viz-space .stars {
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(20,18,18,0.1) 1px, transparent 1px);
  background-size: 28px 28px;
  background-position: 4px 4px;
  opacity: 0.6;
}
.viz-space svg { width: 100%; height: 100%; position: relative; z-index: 1; }
.viz-space .telemetry {
  position: absolute;
  left: 16px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--fg-2);
  z-index: 3;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
}
.viz-space .telemetry .trow { display: flex; gap: 14px; }
.viz-space .telemetry .tk { color: var(--fg-3); }
.viz-space .telemetry .tv { color: var(--fg-0); }

/* Dots + progress + arrows */
.hslider-foot {
  margin-top: 36px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 24px;
  border-top: 1px solid var(--border);
  padding-top: 22px;
}
.hslider-foot .hdots {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.hdot {
  background: transparent;
  border: 0;
  padding: 6px 0;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: var(--fg-3);
  transition: color 0.2s;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.hdot .didx { color: var(--fg-3); }
.hdot .dlabel { color: var(--fg-3); }
.hdot:hover { color: var(--fg-1); }
.hdot:hover .didx, .hdot:hover .dlabel { color: var(--fg-1); }
.hdot.active .didx, .hdot.active .dlabel { color: var(--fg-0); }
.hdot.active { color: var(--fg-0); }

.hprogress {
  position: relative;
  flex: 1;
  height: 1px;
  background: var(--border-md);
  overflow: hidden;
  border-radius: 1px;
  margin-left: 0;
}
.hprogress span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--brand);
  transform-origin: left;
  animation: hprog 3s linear infinite;
}
@keyframes hprog {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.hctrls { display: flex; gap: 6px; }
.hctrl {
  width: 38px; height: 38px;
  border-radius: 999px;
  background: var(--bg-1);
  border: 1px solid var(--border-md);
  color: var(--fg-0);
  display: grid; place-items: center;
  transition: border-color 0.2s, background 0.2s;
}
.hctrl:hover { border-color: var(--brand); color: var(--brand); }
.hctrl svg { width: 14px; height: 14px; }

/* Hero "diverse but capable" floating tagline */
.diverse-tag {
  position: absolute;
  left: var(--pad-x);
  top: calc(50% - 130px);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  z-index: 3;
}
.diverse-tag::before {
  content: "";
  display: block;
  width: 30px; height: 1px;
  background: var(--brand);
  margin-bottom: 14px;
  transform: rotate(180deg);
}

@media (max-width: 1024px) {
  .hslide { grid-template-columns: 1fr; gap: 40px; position: relative !important; opacity: 1; transform: none; }
  .hslide:not(.active) { display: none; }
  .hslide-viz { max-width: 460px; margin: 0 auto; }
  .diverse-tag { display: none; }
}

/* ============================================================
   TRUST + DIVERSE strip
   ============================================================ */
.trust {
  padding: 28px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-1);
}
.trust-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.trust .label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-3);
  white-space: nowrap;
}
.trust .logos {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  align-items: center;
}
.trust .logo {
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--fg-1);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.trust .logo .glyph { width: 18px; height: 18px; color: var(--fg-1); }

/* ============================================================
   Capabilities grid
   ============================================================ */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.cap {
  background: var(--bg-1);
  padding: 32px 28px;
  position: relative;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  transition: background 0.3s;
}
.cap:hover { background: var(--bg-0); }
.cap .num { margin-bottom: 14px; display: block; }
.cap .ico {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border: 1px solid var(--border-md);
  border-radius: 8px;
  background: var(--brand-tint);
  color: var(--brand);
  margin-bottom: 22px;
}
.cap .ico svg { width: 18px; height: 18px; }
.cap h3 { margin-bottom: 10px; }
.cap p { color: var(--fg-2); font-size: 14px; margin: 0 0 22px; line-height: 1.55; }
.cap .meta { margin-top: auto; display: flex; gap: 8px; flex-wrap: wrap; }
.cap .chip {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--fg-1);
  padding: 4px 8px;
  background: var(--bg-0);
  border: 1px solid var(--border);
  border-radius: 4px;
}

@media (max-width: 1024px) {
  .cap-grid { grid-template-columns: 1fr; }
  .trust-inner { flex-direction: column; align-items: flex-start; }
}

/* ============================================================
   Platform spotlight
   ============================================================ */
.platform .spot {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 72px;
  align-items: center;
  padding: 64px 0;
  border-top: 1px solid var(--border);
}
.platform .spot.reverse { grid-template-columns: 1.05fr 1fr; }
.platform .spot.reverse .spot-meta { order: 2; }
.platform .spot.reverse .spot-viz { order: 1; }
.platform .spot:first-of-type { border-top: 0; padding-top: 0; }

.spot-meta .tag { margin-bottom: 22px; }
.spot-meta h3 { margin-bottom: 18px; max-width: 18ch; }
.spot-meta p { color: var(--fg-2); font-size: 16px; max-width: 52ch; margin: 0 0 28px; line-height: 1.6; }
.spot-list {
  list-style: none;
  padding: 0;
  margin: 0 0 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.spot-list li {
  display: grid;
  grid-template-columns: 16px 1fr;
  gap: 12px;
  align-items: start;
  font-size: 14.5px;
  color: var(--fg-1);
}
.spot-list strong { color: var(--fg-0); font-weight: 500; }
.spot-list .bullet {
  width: 8px; height: 8px;
  background: var(--brand);
  border-radius: 2px;
  margin-top: 7px;
}

.viz-frame {
  background: var(--bg-1);
  border: 1px solid var(--border-md);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 30px 80px -30px rgba(20,18,18,0.16);
}
.viz-body { padding: 24px; }
.viz-foot {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  font-size: 11.5px;
  color: var(--fg-2);
  background: var(--bg-0);
}

.eval-row {
  display: grid;
  grid-template-columns: 160px 1fr 56px;
  gap: 14px;
  align-items: center;
  padding: 9px 0;
  font-size: 12.5px;
}
.eval-row .lbl { color: var(--fg-2); font-family: var(--font-mono); font-size: 11.5px; }
.eval-row .bar { height: 6px; background: var(--bg-2); border-radius: 3px; overflow: hidden; }
.eval-row .bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--positive), #4eb986);
  border-radius: 3px;
}
.eval-row .val { font-family: var(--font-mono); font-size: 12px; color: var(--fg-0); text-align: right; }
.eval-divider { height: 1px; background: var(--border); margin: 14px 0 4px; }

@media (max-width: 1024px) {
  .platform .spot, .platform .spot.reverse { grid-template-columns: 1fr; gap: 48px; }
  .platform .spot.reverse .spot-meta { order: 1; }
  .platform .spot.reverse .spot-viz { order: 2; }
}

/* ============================================================
   Industries grid
   ============================================================ */
.ind-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.ind-card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: border-color 0.3s, transform 0.4s var(--ease-out), box-shadow 0.3s;
  display: flex;
  flex-direction: column;
}
.ind-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px -16px rgba(20,18,18,0.12);
}
.ind-img {
  height: 160px;
  position: relative;
  border-bottom: 1px solid var(--border);
  display: grid;
  place-items: center;
  overflow: hidden;
  background: var(--bg-2);
}
.ind-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(20,18,18,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,18,18,0.04) 1px, transparent 1px);
  background-size: 22px 22px;
  pointer-events: none;
}
.ind-art { width: 78%; height: 70%; position: relative; z-index: 1; }
.ind-meta { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.ind-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand);
}
.ind-meta h3 { font-size: 19px; font-weight: 500; color: var(--fg-0); letter-spacing: -0.012em; margin: 0; }
.ind-meta p { font-size: 13.5px; color: var(--fg-2); margin: 0; line-height: 1.55; flex: 1; }
.ind-link {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-1);
  margin-top: 12px;
  transition: color 0.2s, transform 0.2s;
}
.ind-card:hover .ind-link { color: var(--brand); transform: translateX(4px); }
@media (max-width: 1024px) { .ind-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px)  { .ind-grid { grid-template-columns: 1fr; } }

/* ============================================================
   Why / Process / Stats
   ============================================================ */
.why { background: linear-gradient(180deg, var(--bg-0), var(--bg-2) 60%, var(--bg-0)); }
.why-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.why-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.why-cell { background: var(--bg-1); padding: 26px; display: flex; flex-direction: column; gap: 8px; min-height: 180px; }
.why-cell .num { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-3); margin-bottom: 12px; }
.why-cell .big {
  font-size: 40px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--fg-0);
}
.why-cell .big .unit { font-family: var(--font-mono); font-size: 0.5em; color: var(--brand); }
.why-cell .why-h { font-size: 14px; color: var(--fg-0); font-weight: 500; }
.why-cell .why-d { font-size: 12.5px; color: var(--fg-2); line-height: 1.5; }

.process { background: var(--bg-0); }
.process-track {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  position: relative;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.process-track::before {
  content: "";
  position: absolute;
  top: 60px;
  left: 4%; right: 4%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--brand), var(--brand), transparent);
  opacity: 0.5;
}
.step {
  padding: 36px 28px;
  border-right: 1px solid var(--border);
  background: var(--bg-1);
}
.step:last-child { border-right: 0; }
.step .step-num { font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); letter-spacing: 0.1em; }
.step .step-dot {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--bg-1);
  border: 1.5px solid var(--brand);
  margin: 16px 0;
  position: relative;
  z-index: 1;
}
.step .step-dot::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--brand);
  border-radius: 50%;
}
.step h4 { font-size: 16px; font-weight: 500; color: var(--fg-0); margin: 0 0 8px; letter-spacing: -0.01em; }
.step p { font-size: 12.5px; color: var(--fg-2); margin: 0; line-height: 1.55; }
.step .step-meta { margin-top: 12px; font-family: var(--font-mono); font-size: 10.5px; color: var(--fg-3); letter-spacing: 0.06em; }

@media (max-width: 1024px) {
  .why-inner { grid-template-columns: 1fr; gap: 40px; }
  .process-track { grid-template-columns: 1fr; }
  .step { border-right: 0; border-bottom: 1px solid var(--border); }
  .step:last-child { border-bottom: 0; }
  .process-track::before { display: none; }
}
@media (max-width: 640px) { .why-cards { grid-template-columns: 1fr; } }

/* ============================================================
   Case study + stack + FAQ + CTA
   ============================================================ */
.case-frame {
  position: relative;
  border: 1px solid var(--border-md);
  border-radius: var(--r-xl);
  overflow: hidden;
  background:
    linear-gradient(135deg, var(--brand-tint), transparent 50%),
    var(--bg-1);
}
.case-bg { position: absolute; inset: 0; pointer-events: none; }
.case-bg::before {
  content: ""; position: absolute;
  width: 460px; height: 460px;
  background: radial-gradient(circle, var(--brand-tint), transparent 70%);
  top: -200px; right: -200px;
  filter: blur(40px);
}
.case-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; padding: 56px; position: relative; }
.case-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
}
.case-stat { background: var(--bg-1); padding: 22px; }
.cs-k { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-3); margin-bottom: 12px; }
.cs-v { font-size: 36px; font-weight: 500; letter-spacing: -0.025em; color: var(--fg-0); line-height: 1; }
.cs-v span { font-family: var(--font-mono); font-size: 0.5em; color: var(--brand); }
.cs-d { font-family: var(--font-mono); font-size: 11px; color: var(--fg-2); margin-top: 8px; }
.case-foot { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--border); background: var(--bg-0); }
.cf-bit { padding: 18px 24px; border-right: 1px solid var(--border); display: flex; flex-direction: column; gap: 4px; }
.cf-bit:last-child { border-right: 0; }
.cf-k { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-3); }
.cf-v { font-family: var(--font-mono); font-size: 12px; color: var(--fg-0); }

.stack-sec { background: var(--bg-2); }
.stack-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px 48px; }
.stack-col h6 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.big-chip {
  font-size: 13px;
  color: var(--fg-1);
  padding: 7px 12px;
  background: var(--bg-1);
  border: 1px solid var(--border-md);
  border-radius: 6px;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.big-chip:hover {
  border-color: var(--brand-dim);
  background: var(--brand-tint);
  color: var(--brand);
}

.faq-list { border-top: 1px solid var(--border); }
.faq { border-bottom: 1px solid var(--border); }
.faq summary {
  list-style: none;
  display: grid;
  grid-template-columns: 56px 1fr 28px;
  align-items: center;
  gap: 20px;
  padding: 26px 0;
  cursor: pointer;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .faq-num { font-family: var(--font-mono); font-size: 11.5px; color: var(--fg-3); letter-spacing: 0.08em; }
.faq summary .faq-q { font-size: 18px; color: var(--fg-0); font-weight: 500; letter-spacing: -0.012em; }
.faq summary .faq-plus {
  width: 28px; height: 28px;
  border: 1px solid var(--border-md);
  border-radius: 50%;
  display: grid; place-items: center;
  color: var(--fg-1);
  transition: transform 0.3s var(--ease-out), border-color 0.2s, background 0.2s;
  background: var(--bg-1);
}
.faq[open] summary .faq-plus { transform: rotate(45deg); border-color: var(--brand); background: var(--brand-tint); color: var(--brand); }
.faq .faq-a { padding: 0 84px 28px 76px; color: var(--fg-2); font-size: 15px; line-height: 1.7; max-width: 78ch; }
.faq .faq-a strong { color: var(--fg-0); font-weight: 500; }

.cta-final { position: relative; padding: 140px 0 160px; overflow: hidden; background: var(--bg-0); }
.cta-final .cta-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(20,18,18,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,18,18,0.05) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, #000 0%, transparent 70%);
  pointer-events: none;
}
.cta-final .glow {
  width: 800px; height: 800px;
  background: radial-gradient(circle, var(--brand-tint), transparent 70%);
  top: -200px; left: 50%; transform: translateX(-50%);
  filter: blur(80px);
}
.cta-inner { position: relative; text-align: center; max-width: 920px; margin: 0 auto; }
.cta-inner .tag { margin: 0 auto 28px; }
.cta-inner .h-display { margin-bottom: 24px; }
.cta-inner .lede { margin: 0 auto 40px; }
.cta-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.cta-tracks {
  margin-top: 80px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  text-align: left;
}
.cta-track { background: var(--bg-1); padding: 28px; }
.cta-track .tt-num { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-3); margin-bottom: 16px; display: block; }
.cta-track h4 { margin: 0 0 8px; font-size: 18px; font-weight: 500; letter-spacing: -0.012em; color: var(--fg-0); }
.cta-track p { font-size: 13.5px; color: var(--fg-2); margin: 0 0 18px; line-height: 1.55; }
.cta-track .tt-link { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--brand); display: inline-flex; align-items: center; gap: 6px; }

@media (max-width: 1024px) {
  .case-grid { grid-template-columns: 1fr; padding: 36px; }
  .case-foot { grid-template-columns: 1fr 1fr; }
  .cf-bit:nth-child(2n) { border-right: 0; }
  .cf-bit:nth-child(-n+2) { border-bottom: 1px solid var(--border); }
  .stack-grid { grid-template-columns: 1fr 1fr; }
  .cta-tracks { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .stack-grid { grid-template-columns: 1fr; }
  .case-stats { grid-template-columns: 1fr; }
  .case-foot { grid-template-columns: 1fr; }
  .cf-bit { border-right: 0; border-bottom: 1px solid var(--border); }
  .faq summary { grid-template-columns: 40px 1fr 28px; gap: 12px; }
  .faq .faq-a { padding: 0 0 24px 52px; }
}

/* ============================================================
   Diverse but capable strip
   ============================================================ */
.diverse-strip {
  position: relative;
  padding: 80px 0;
  background: var(--bg-3);
  color: var(--fg-on-dark);
  border-top: 1px solid var(--border);
  overflow: hidden;
}
.diverse-strip .container {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  align-items: center;
}
.diverse-strip h2 {
  font-size: clamp(28px, 3.4vw, 48px);
  letter-spacing: -0.024em;
  font-weight: 500;
  line-height: 1.05;
  margin: 0 0 0;
  color: var(--fg-on-dark);
}
.diverse-strip h2 .serif-i { color: var(--brand); }
.diverse-strip p {
  font-size: 14.5px;
  color: rgba(242, 240, 236, 0.65);
  max-width: 48ch;
  margin: 0;
  line-height: 1.6;
}
.diverse-domains {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}
.diverse-domains .dom {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: rgba(242, 240, 236, 0.78);
  padding: 6px 12px;
  border: 1px solid var(--border-dark);
  border-radius: 999px;
}
@media (max-width: 1024px) {
  .diverse-strip .container { grid-template-columns: 1fr; gap: 28px; }
}

/* ============================================================
   Mobile nav drawer
   ============================================================ */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--bg-1);
  z-index: 200;
  display: none;
  flex-direction: column;
  padding: 24px var(--pad-x);
  overflow-y: auto;
}
.mobile-nav.open { display: flex; }
.mnav-top { display: flex; align-items: center; justify-content: space-between; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.mnav-close { width: 38px; height: 38px; background: transparent; border: 1px solid var(--border-md); border-radius: 8px; color: var(--fg-0); display: grid; place-items: center; }
.mnav-list { display: flex; flex-direction: column; padding: 20px 0; }
.mnav-list a {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.012em;
  color: var(--fg-0);
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.mnav-list .h6-mnav {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-3);
  padding: 22px 0 8px;
  border-bottom: 0;
  font-weight: 500;
}
.mnav-list a.sub {
  font-size: 15px;
  font-weight: 400;
  color: var(--fg-1);
  padding: 8px 0;
  border-bottom: 0;
}
.mnav-cta { padding-top: 24px; display: flex; gap: 12px; }