/* =========================================================
   1. TOKENS
   ========================================================= */
:root {
  --ink:        #0A0A0B;
  --ink-2:      #1A1A1D;
  --ink-3:      #2A2A2E;
  --paper:      #FFFFFF;
  --paper-2:    #F4F4F2;
  --paper-3:    #E8E8E4;
  --bone:       #FAFAF8;
  --line:       rgba(10,10,11,0.14);
  --line-soft:  rgba(10,10,11,0.08);
  --line-dark:  rgba(244,239,230,0.14);
  --line-dark-2:rgba(244,239,230,0.08);
  --muted:      rgba(10,10,11,0.58);
  --muted-dark: rgba(244,239,230,0.62);
  --muted-dark-2: rgba(244,239,230,0.44);
  --blue:       #0655FF;
  --blue-2:     #0444CC;
  --blue-tint:  #DCE5FF;
  --blue-deep:  #03257A;
  --signal:     #B5FF3C;
  --rust:       #C2410C;
  --warn:       #F59E0B;
  --good:       #16A34A;

  --font-sans:    "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --font-serif:   "IBM Plex Serif", "Times New Roman", serif;

  --r-sm: 4px; --r: 8px; --r-lg: 14px; --r-xl: 22px;
  --container: 1320px;
  --gutter: 32px;
  --t1: cubic-bezier(.2,.7,.2,1);
  --t2: cubic-bezier(.7,0,.3,1);
}

/* =========================================================
   2. BASE / RESET
   ========================================================= */
*,*::before,*::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,*::before,*::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; animation-iteration-count: 1 !important; }
}
body {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 400; font-size: 17px; line-height: 1.5;
  color: var(--ink); background: var(--paper);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11";
}
img, svg { display: block; max-width: 100%; }
picture { display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
::selection { background: var(--ink); color: var(--paper); }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--ink); color: var(--paper); padding: 10px 14px; border-radius: var(--r); z-index: 9999; }
.skip:focus { left: 16px; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 3px; }
[hidden] { display: none !important; }

/* =========================================================
   3. TYPOGRAPHY
   ========================================================= */
.serif { font-family: var(--font-serif); font-weight: 400; }
.mono { font-family: var(--font-mono); font-feature-settings: "tnum"; }

.h-display {
  font-family: var(--font-sans); font-weight: 500;
  font-size: clamp(40px, 5.6vw, 76px);
  line-height: 1.0; letter-spacing: -0.035em;
  margin: 0; text-wrap: balance;
}
.h-display em {
  font-family: var(--font-serif); font-style: italic; font-weight: 400;
  letter-spacing: -0.02em; color: var(--blue);
}

.h-section {
  font-family: var(--font-sans); font-weight: 500;
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.04; letter-spacing: -0.030em;
  margin: 0 0 24px; text-wrap: balance;
}
.h-section em { font-family: var(--font-serif); font-style: italic; font-weight: 400; }
.h-section.on-ink em { color: var(--blue-tint); }

.h-sub {
  font-family: var(--font-sans); font-weight: 500;
  font-size: clamp(20px, 1.8vw, 26px);
  line-height: 1.22; letter-spacing: -0.015em;
  margin: 0 0 12px;
}

.lede {
  font-size: clamp(17px, 1.3vw, 20px);
  line-height: 1.55; color: var(--ink);
  max-width: 820px; margin: 0 0 32px;
  text-wrap: pretty;
}
.on-ink .lede, .on-blue .lede { color: var(--bone); }

p { margin: 0 0 16px; }
p.muted { color: var(--muted); }
.on-ink p, .on-blue p { color: rgba(244,239,230,0.85); }
.on-ink p.muted, .on-blue p.muted { color: var(--muted-dark); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11.5px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--muted);
  display: inline-flex; align-items: center; gap: 10px;
  margin: 0 0 22px;
}
.eyebrow .sq { width: 8px; height: 8px; background: var(--blue); flex-shrink: 0; }
.on-ink .eyebrow, .on-blue .eyebrow { color: var(--muted-dark); }
.on-blue .eyebrow .sq { background: var(--signal); }

.cap {
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--muted);
}
.on-ink .cap, .on-blue .cap { color: var(--muted-dark); }

/* =========================================================
   4. LAYOUT PRIMITIVES
   ========================================================= */
.wrap { max-width: var(--container); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }
.section { padding: 120px 0; position: relative; }
.section-tight { padding: 80px 0; }
@media (max-width: 768px) {
  .section { padding: 80px 0; }
  .section-tight { padding: 56px 0; }
}
.hr { height: 1px; background: var(--line); border: 0; margin: 0; }
.on-ink .hr { background: var(--line-dark); }

.on-ink { background: var(--ink); color: var(--bone); }
.on-ink a { color: var(--bone); }
.on-ink::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(244,239,230,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(244,239,230,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0) 75%);
          mask-image: linear-gradient(to bottom, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0) 75%);
}
.on-ink > * { position: relative; z-index: 1; }

.on-paper-2 { background: var(--paper-2); }

/* =========================================================
   5. BUTTONS
   ========================================================= */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; border-radius: 999px;
  font-family: var(--font-sans); font-weight: 500; font-size: 15px;
  letter-spacing: -0.005em;
  transition: background 0.3s var(--t1), color 0.3s var(--t1), border-color 0.3s var(--t1);
  white-space: nowrap;
  min-height: 44px;
}
.btn .arr { display: inline-block; transition: transform 0.3s var(--t1); }
.btn:hover .arr { transform: translateX(4px); }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-2); }
.btn-ink { background: var(--ink); color: #fff; }
.btn-ink:hover { background: var(--ink-2); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-ghost-light { background: transparent; color: var(--bone); border: 1px solid var(--line-dark); }
.btn-ghost-light:hover { background: rgba(244,239,230,0.08); }
.btn-signal { background: var(--signal); color: var(--ink); }
.btn-signal:hover { background: #C2FF54; }
.btn-text {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-sans); font-weight: 500; font-size: 15px;
  color: var(--ink); padding: 6px 0;
  border-bottom: 1px solid var(--line);
  transition: border-color 0.2s var(--t1);
}
.btn-text:hover { border-color: var(--ink); }
.btn-text .arr { display: inline-block; transition: transform 0.3s var(--t1); }
.btn-text:hover .arr { transform: translateX(4px); }
.on-ink .btn-text { color: var(--bone); border-bottom-color: var(--line-dark); }
.on-ink .btn-text:hover { border-bottom-color: var(--bone); }

/* =========================================================
   6. NAV
   ========================================================= */
.nav {
  position: sticky; top: 0; z-index: 80;
  background: rgba(255,255,255,0.78);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  border-bottom: 1px solid var(--line-soft);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 64px; }
.brand { display: inline-flex; align-items: center; }
.brand-logo { height: 28px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-link {
  padding: 8px 12px; border-radius: var(--r);
  font-size: 14.5px; color: var(--ink); font-weight: 400;
  transition: background 0.2s var(--t1);
}
.nav-link:hover { background: var(--paper-2); }
.nav-link .caret { font-size: 10px; margin-left: 4px; opacity: 0.55; }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-mono {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11.5px;
  color: var(--muted); letter-spacing: 0.04em;
}
.nav-mono .pulse {
  width: 7px; height: 7px; border-radius: 50%; background: var(--good);
  box-shadow: 0 0 0 0 rgba(22,163,74,0.6);
  animation: pulse 2.4s var(--t1) infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(22,163,74,0.55); }
  70% { box-shadow: 0 0 0 10px rgba(22,163,74,0); }
  100% { box-shadow: 0 0 0 0 rgba(22,163,74,0); }
}
.nav-burger { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; border-radius: var(--r); }
.nav-burger:hover { background: var(--paper-2); }
@media (max-width: 980px) {
  .nav-links, .nav-mono { display: none; }
  .nav-burger { display: inline-flex; }
  .nav-cta .btn { padding: 10px 16px; font-size: 14px; }
}
.mobile-menu {
  position: fixed; inset: 64px 0 0 0; z-index: 70;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(20px);
  padding: 32px var(--gutter);
  transform: translateY(-110%); transition: transform 0.35s var(--t2);
  border-bottom: 1px solid var(--line);
}
.mobile-menu.open { transform: translateY(0); }
.mobile-menu a {
  display: block; padding: 14px 0;
  font-size: 22px; font-weight: 500; letter-spacing: -0.015em;
  border-bottom: 1px solid var(--line-soft);
}

/* =========================================================
   7. HERO
   ========================================================= */
.hero { padding: 88px 0 100px; position: relative; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 64px; align-items: center; }
@media (max-width: 1100px) { .hero { padding: 72px 0 80px; } .hero-grid { grid-template-columns: 1fr; gap: 48px; } }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px;
  font-family: var(--font-mono); font-size: 11.5px;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--muted); margin-bottom: 28px;
}
.hero-eyebrow .live { width: 7px; height: 7px; border-radius: 50%; background: var(--signal); animation: pulseSignal 2.4s var(--t1) infinite; }
@keyframes pulseSignal {
  0% { box-shadow: 0 0 0 0 rgba(181,255,60,0.5); }
  70% { box-shadow: 0 0 0 10px rgba(181,255,60,0); }
  100% { box-shadow: 0 0 0 0 rgba(181,255,60,0); }
}
.hero h1.h-display { margin-bottom: 28px; }
.hero-sub {
  font-size: clamp(16.5px, 1.18vw, 18.5px);
  line-height: 1.6; color: var(--muted);
  max-width: 640px; margin-bottom: 36px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 56px; }

.hero-metrics {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.hero-metric { padding: 22px 24px 22px 0; border-right: 1px solid var(--line); }
.hero-metric:nth-child(3n) { border-right: 0; padding-right: 0; }
.hero-metric:nth-child(n+4) { padding-top: 22px; border-top: 1px solid var(--line); margin-top: -1px; }
.hero-metric .v {
  font-family: var(--font-serif); font-style: italic; font-weight: 400;
  font-size: clamp(26px, 2.6vw, 34px); line-height: 1.05;
  letter-spacing: -0.02em; color: var(--ink); margin-bottom: 6px;
}
.hero-metric .v .plus, .hero-metric .v .unit {
  font-family: var(--font-mono); font-style: normal; font-weight: 500;
  font-size: 0.6em; color: var(--blue); margin-left: 2px; letter-spacing: 0;
}
.hero-metric.is-mono .v {
  font-family: var(--font-mono); font-style: normal;
  font-size: clamp(16px, 1.5vw, 20px); letter-spacing: 0;
}
.hero-metric .l {
  font-family: var(--font-mono); font-size: 11.5px;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--muted); line-height: 1.35;
}
@media (max-width: 780px) {
  .hero-metrics { grid-template-columns: repeat(2, 1fr); }
  .hero-metric:nth-child(3n) { border-right: 1px solid var(--line); padding-right: 24px; }
  .hero-metric:nth-child(2n) { border-right: 0; padding-right: 0; }
}
@media (max-width: 480px) {
  .hero-metrics { grid-template-columns: 1fr; }
  .hero-metric { border-right: 0; padding-right: 0; }
  .hero-metric + .hero-metric { border-top: 1px solid var(--line); }
}

/* Hero visual — AI→PLC→actuator chain schematic (signature SVG) */
.hero-visual {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--r-lg);
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 18%, rgba(6,85,255,0.08) 0, transparent 50%),
    linear-gradient(180deg, var(--ink) 0%, #161618 100%);
  border: 1px solid var(--line-dark);
  isolation: isolate;
}
.hero-visual picture, .hero-visual img { width: 100%; height: 100%; }
.hero-visual img { object-fit: cover; opacity: 0; }
.hero-visual .image-placeholder {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
}
.hero-visual .ph-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(244,239,230,0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(244,239,230,0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: linear-gradient(135deg, rgba(0,0,0,0.7), rgba(0,0,0,0.2));
          mask-image: linear-gradient(135deg, rgba(0,0,0,0.7), rgba(0,0,0,0.2));
}
.hero-visual .chain-schema {
  position: absolute; inset: 0; padding: 36px;
  display: flex; align-items: center; justify-content: center;
}
.hero-visual .chain-schema svg { width: 100%; height: auto; max-height: 100%; }
.hero-visual .ph-cap {
  position: absolute; bottom: 22px; left: 22px; right: 22px;
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--muted-dark-2);
  display: flex; align-items: center; gap: 10px;
}
.hero-visual .ph-cap .sq { width: 8px; height: 8px; background: var(--signal); flex-shrink: 0; }
.hero-visual .hero-telemetry {
  position: absolute; top: 22px; left: 22px; right: 22px;
  display: flex; justify-content: space-between; align-items: flex-start; gap: 16px;
  font-family: var(--font-mono); font-size: 10.5px;
  color: rgba(244,239,230,0.7); letter-spacing: 0.05em;
}
.hero-telemetry .row { display: flex; flex-direction: column; gap: 4px; }
.hero-telemetry .row .k { color: var(--muted-dark-2); text-transform: uppercase; font-size: 9.5px; letter-spacing: 0.12em; }
.hero-telemetry .row .v { color: var(--bone); font-size: 12.5px; letter-spacing: 0; }
.hero-telemetry .row.right { text-align: right; align-items: flex-end; }
.hero-telemetry .live-dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--signal); display: inline-block;
  vertical-align: middle; margin-right: 6px;
  animation: pulseSignal 1.8s var(--t1) infinite;
}

/* =========================================================
   8. SECTION 2 — MISSING LINK (IT-OT bridge signature)
   ========================================================= */
.missing-link-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 56px; align-items: start;
  margin-top: 48px;
}
@media (max-width: 980px) { .missing-link-grid { grid-template-columns: 1fr; gap: 40px; } }
.missing-link-body p { font-size: 17px; line-height: 1.7; color: rgba(244,239,230,0.86); }
.missing-link-body p + p { margin-top: 18px; }

.bridge-schema {
  position: relative;
  background: rgba(244,239,230,0.03);
  border: 1px solid var(--line-dark);
  border-radius: var(--r-lg);
  padding: 32px 28px;
}
.bridge-schema-head {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  font-family: var(--font-mono); font-size: 10.5px;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--muted-dark-2);
  padding-bottom: 16px; margin-bottom: 12px;
  border-bottom: 1px solid var(--line-dark);
}
.bridge-schema-head .live-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--signal); margin-right: 8px; animation: pulseSignal 2.4s var(--t1) infinite; }
.bridge-schema svg { width: 100%; height: auto; display: block; }
.bridge-legend {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  gap: 14px; padding-top: 22px; margin-top: 18px;
  border-top: 1px solid var(--line-dark);
  font-family: var(--font-mono); font-size: 10.5px;
  text-transform: uppercase; letter-spacing: 0.08em;
}
@media (max-width: 540px) { .bridge-legend { grid-template-columns: 1fr; gap: 10px; } }
.bridge-legend .item { display: flex; align-items: center; gap: 8px; color: var(--muted-dark); }
.bridge-legend .item .sw { width: 14px; height: 6px; border-radius: 2px; flex-shrink: 0; }
.bridge-legend .item.it .sw { background: var(--blue-tint); }
.bridge-legend .item.bn .sw { background: var(--signal); }
.bridge-legend .item.ot .sw { background: #FFB46A; }

/* =========================================================
   9. SECTION 3 — SOLUTIONS (5 sub-blocks)
   ========================================================= */
.solutions-list {
  display: flex; flex-direction: column; gap: 0;
  margin-top: 48px;
  border-top: 1px solid var(--line);
}
.solution {
  display: grid; grid-template-columns: 200px 1fr;
  gap: 56px; align-items: start;
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}
@media (max-width: 980px) { .solution { grid-template-columns: 1fr; gap: 20px; padding: 44px 0; } }
.solution-meta {
  position: sticky; top: 88px;
  display: flex; flex-direction: column; gap: 10px;
}
@media (max-width: 980px) { .solution-meta { position: static; flex-direction: row; align-items: baseline; gap: 16px; } }
.solution-num {
  font-family: var(--font-mono); font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--blue);
}
.solution-kw {
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--muted); line-height: 1.5;
}
.solution-body h3 {
  font-family: var(--font-sans); font-weight: 500;
  font-size: clamp(24px, 2.4vw, 32px); line-height: 1.15;
  letter-spacing: -0.02em; margin: 0 0 18px;
}
.solution-body p { font-size: 16px; line-height: 1.65; color: var(--ink); }
.solution-body p + p { margin-top: 14px; }

/* =========================================================
   10. SECTION 4 — TECH STACK MATRIX (10 categories on ink)
   ========================================================= */
.tech-matrix {
  margin-top: 48px;
  border-top: 1px solid var(--line-dark);
}
.tech-row {
  display: grid; grid-template-columns: 64px 1fr 2.4fr;
  gap: 28px; align-items: baseline;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-dark);
  transition: background 0.2s var(--t1);
}
.tech-row:hover { background: rgba(244,239,230,0.025); }
@media (max-width: 820px) {
  .tech-row { grid-template-columns: 1fr; gap: 8px; padding: 22px 0; }
}
.tech-row .ix {
  font-family: var(--font-mono); font-size: 11.5px;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--blue-tint); padding-top: 6px;
}
.tech-row .cat {
  font-family: var(--font-sans); font-weight: 500;
  font-size: clamp(17px, 1.4vw, 21px); letter-spacing: -0.01em;
  color: var(--bone); line-height: 1.3;
}
.tech-row .techs {
  font-family: var(--font-mono); font-size: 13px; line-height: 1.7;
  color: rgba(244,239,230,0.82);
}
.tech-row .techs .accent { color: var(--signal); }

/* =========================================================
   11. SECTION 5 — INDUSTRIES (4 blocks)
   ========================================================= */
.industries-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 22px; margin-top: 48px;
}
@media (max-width: 820px) { .industries-grid { grid-template-columns: 1fr; } }
.industry-block {
  background: var(--bone); border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 32px 30px;
  position: relative;
}
.industry-block .ix {
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--blue);
  display: inline-flex; align-items: center; gap: 8px;
  margin-bottom: 14px;
}
.industry-block .ix .sq { width: 8px; height: 8px; background: var(--blue); flex-shrink: 0; }
.industry-block.strongest .ix .sq { background: var(--signal); }
.industry-block.strongest .ix { color: var(--rust); }
.industry-block h3 {
  font-family: var(--font-sans); font-weight: 500;
  font-size: clamp(22px, 2vw, 28px);
  letter-spacing: -0.015em; line-height: 1.2;
  margin: 0 0 16px;
}
.industry-block p {
  font-size: 15.5px; line-height: 1.65;
  color: var(--ink); margin: 0;
}

/* =========================================================
   12. SECTION 6 — CASE STUDIES (ink, 4 cards)
   ========================================================= */
.case-cards {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 18px; margin-top: 48px;
}
@media (max-width: 980px) { .case-cards { grid-template-columns: 1fr; } }
.case-card {
  background: var(--ink-2); border: 1px solid var(--ink-3);
  border-radius: var(--r-lg);
  padding: 30px 30px;
  display: flex; flex-direction: column; gap: 18px;
  position: relative;
}
.case-card::after {
  content: ""; position: absolute; bottom: 14px; right: 14px;
  width: 12px; height: 12px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}
.case-card .case-tag {
  font-family: var(--font-mono); font-size: 10.5px;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--signal);
  display: inline-flex; align-items: center; gap: 8px;
}
.case-card .case-tag .sq { width: 7px; height: 7px; background: var(--signal); }
.case-card h3 {
  font-family: var(--font-sans); font-weight: 500;
  font-size: clamp(20px, 1.8vw, 24px);
  letter-spacing: -0.01em; line-height: 1.22;
  margin: 0;
  color: var(--bone);
}
.case-card .case-body {
  font-size: 14.5px; line-height: 1.6;
  color: rgba(244,239,230,0.82);
}
.case-card .case-body strong {
  color: var(--bone); font-weight: 500;
}
.case-card .metrics-line {
  display: flex; flex-wrap: wrap; gap: 8px;
  padding: 12px 0; margin: 4px 0;
}
.case-card .metric-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  background: rgba(181,255,60,0.10);
  border: 1px solid rgba(181,255,60,0.32);
  border-radius: 999px;
  font-family: var(--font-mono); font-size: 12px;
  color: var(--signal); letter-spacing: 0.02em;
}
.case-card .metric-pill.alt {
  background: rgba(220,229,255,0.06);
  border-color: rgba(220,229,255,0.22);
  color: var(--blue-tint);
}
.case-card .stack-line {
  font-family: var(--font-mono); font-size: 12px; line-height: 1.5;
  color: var(--muted-dark);
  padding-top: 14px; border-top: 1px solid var(--ink-3);
}
.case-card .stack-line strong {
  display: block; font-family: var(--font-mono);
  font-size: 10.5px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--muted-dark-2); margin-bottom: 6px;
}

/* =========================================================
   13. SECTION 7 — DELIVERY METHODOLOGY (4 phases + ongoing)
   ========================================================= */
.delivery-flow {
  margin-top: 48px;
  position: relative;
}
.phase-row {
  display: grid; grid-template-columns: 240px 1fr;
  gap: 56px; align-items: start;
  padding: 36px 0;
  border-top: 1px solid var(--line);
  position: relative;
}
.phase-row:last-child { border-bottom: 1px solid var(--line); }
@media (max-width: 820px) { .phase-row { grid-template-columns: 1fr; gap: 14px; padding: 32px 0; } }
.phase-meta { position: sticky; top: 88px; }
@media (max-width: 820px) { .phase-meta { position: static; } }
.phase-meta .ix {
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--blue);
  margin-bottom: 8px;
  display: flex; align-items: center; gap: 10px;
}
.phase-meta .ix .num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px;
  background: var(--blue); color: #fff;
  border-radius: 50%;
  font-family: var(--font-mono); font-size: 11.5px; font-weight: 500;
}
.phase-meta.ongoing .ix .num {
  background: var(--signal); color: var(--ink);
}
.phase-meta.ongoing .ix { color: var(--rust); }
.phase-meta .weeks {
  font-family: var(--font-mono); font-size: 11.5px;
  color: var(--muted); letter-spacing: 0.05em;
  padding: 4px 0 0 38px;
}
.phase-body h3 {
  font-family: var(--font-sans); font-weight: 500;
  font-size: clamp(20px, 1.8vw, 26px);
  letter-spacing: -0.015em; line-height: 1.22;
  margin: 0 0 14px;
}
.phase-body p { font-size: 16px; line-height: 1.65; color: var(--ink); margin: 0; }

/* =========================================================
   14. SECTION 8 — WHY BN (paper-2, 4 blocks)
   ========================================================= */
.why-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 20px; margin-top: 48px;
}
@media (max-width: 820px) { .why-grid { grid-template-columns: 1fr; } }
.why-block {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 36px 32px;
  display: flex; flex-direction: column; gap: 16px;
}
.why-block .ix {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--blue);
}
.why-block .ix .sq { width: 8px; height: 8px; background: var(--blue); flex-shrink: 0; }
.why-block h3 {
  font-family: var(--font-sans); font-weight: 500;
  font-size: clamp(20px, 1.8vw, 24px);
  letter-spacing: -0.01em; line-height: 1.25;
  margin: 0;
}
.why-block p {
  font-size: 15.5px; line-height: 1.65;
  color: var(--ink); margin: 0;
}
.why-block p a { color: var(--blue); border-bottom: 1px solid currentColor; }
.why-block p a:hover { color: var(--blue-2); }

/* =========================================================
   15. SECTION 9 — COMPARISON TABLE (3 col, BN emphasis)
   ========================================================= */
.compare {
  margin-top: 48px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: #fff;
}
.compare-head, .compare-row {
  display: grid;
  grid-template-columns: 1.1fr 1.4fr 1.4fr 1.6fr;
  border-bottom: 1px solid var(--line);
}
.compare-row:last-child { border-bottom: 0; }
.compare-head {
  background: var(--bone);
  border-bottom: 1px solid var(--line);
}
.compare-cell {
  padding: 22px 22px;
  font-size: 14.5px; line-height: 1.5;
  border-right: 1px solid var(--line);
}
.compare-cell:last-child { border-right: 0; }
.compare-head .compare-cell {
  font-family: var(--font-mono); font-size: 11.5px;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--muted); padding: 18px 22px;
}
.compare-head .compare-cell.bn {
  color: var(--blue);
  background: rgba(6,85,255,0.04);
}
.compare-cell.factor {
  font-family: var(--font-mono); font-size: 11.5px;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--muted);
  display: flex; align-items: center;
}
.compare-cell.col-a, .compare-cell.col-b {
  color: var(--muted);
}
.compare-cell.bn {
  background: rgba(6,85,255,0.04);
  color: var(--ink);
  font-weight: 500;
  position: relative;
}
.compare-cell.bn::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: var(--blue);
}
.compare-row:last-child .compare-cell.bn { padding-bottom: 22px; }
@media (max-width: 980px) {
  .compare-head { display: none; }
  .compare-row {
    grid-template-columns: 1fr;
    padding: 8px 0; gap: 0;
  }
  .compare-cell {
    border-right: 0;
    border-bottom: 1px solid var(--line-soft);
    padding: 14px 22px;
  }
  .compare-cell:last-child { border-bottom: 0; }
  .compare-cell.factor {
    background: var(--bone);
    padding: 12px 22px;
  }
  .compare-cell::before {
    content: attr(data-col) " · ";
    display: block;
    font-family: var(--font-mono); font-size: 10.5px;
    text-transform: uppercase; letter-spacing: 0.1em;
    color: var(--muted); margin-bottom: 6px;
  }
  .compare-cell.factor::before { display: none; }
  .compare-cell.bn::before {
    content: attr(data-col) " · ";
    color: var(--blue);
    background: none; width: auto; position: static;
  }
  .compare-cell.bn { padding-left: 22px; }
}

/* =========================================================
   16. SECTION 10 — FAQ
   ========================================================= */
.faq-list { border-top: 1px solid var(--line); margin-top: 40px; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 32px;
  width: 100%; padding: 28px 0; text-align: left;
  font-family: var(--font-sans);
  font-size: clamp(18px, 1.6vw, 22px);
  font-weight: 500; letter-spacing: -0.015em;
  line-height: 1.35; color: var(--ink); cursor: pointer;
  transition: color 0.2s var(--t1);
}
.faq-q:hover { color: var(--blue); }
.faq-q .faq-num {
  font-family: var(--font-mono); font-size: 12px; font-weight: 500;
  color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em;
  flex-shrink: 0; padding-top: 7px; min-width: 36px;
}
.faq-q .faq-text { flex: 1; }
.faq-q .faq-toggle {
  flex-shrink: 0; width: 32px; height: 32px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 18px; line-height: 1;
  color: var(--ink); background: #fff;
  transition: transform 0.3s var(--t1), background 0.2s var(--t1);
}
.faq-q[aria-expanded="true"] .faq-toggle {
  background: var(--ink); color: #fff; transform: rotate(45deg);
}
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.4s var(--t1); }
.faq-q[aria-expanded="true"] + .faq-a { max-height: 1500px; }
.faq-a-inner {
  padding: 0 0 28px 48px;
  font-size: 16px; line-height: 1.65; color: var(--muted);
  max-width: 880px;
}
@media (max-width: 720px) {
  .faq-a-inner { padding-left: 0; }
  .faq-q { gap: 14px; }
  .faq-q .faq-num { min-width: 28px; }
}

/* =========================================================
   17. SECTION 11 — RELATED GRID
   ========================================================= */
.related-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 14px; margin-top: 40px;
}
@media (max-width: 980px) { .related-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .related-grid { grid-template-columns: 1fr; } }
.related-card {
  background: var(--bone); border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 26px 24px;
  display: flex; flex-direction: column; gap: 12px;
  transition: background 0.2s var(--t1), border-color 0.2s var(--t1);
}
.related-card:hover { background: #fff; border-color: var(--ink); }
.related-card .tag {
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--blue);
}
.related-card .tag.industry { color: var(--rust); }
.related-card h3 {
  font-family: var(--font-sans); font-weight: 500;
  font-size: 19px; letter-spacing: -0.01em;
  line-height: 1.25; margin: 0;
}
.related-card .desc {
  font-size: 14.5px; line-height: 1.55; color: var(--muted);
  margin: 0; flex: 1;
}
.related-card .link {
  font-family: var(--font-mono); font-size: 12px;
  color: var(--ink); padding-top: 8px;
  display: inline-flex; align-items: center; gap: 8px;
  border-top: 1px solid var(--line);
}
.related-card .link .arr { transition: transform 0.3s var(--t1); }
.related-card:hover .link .arr { transform: translateX(4px); }

/* =========================================================
   18. SECTION 12 — FINAL CTA (ink band)
   ========================================================= */
.final-cta-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 56px; align-items: start; margin-top: 40px;
}
@media (max-width: 980px) { .final-cta-grid { grid-template-columns: 1fr; gap: 36px; } }
.final-cta h2 { color: #fff; }
.final-cta h2 em { color: var(--signal); }
.final-cta .lede { color: rgba(244,239,230,0.85); max-width: 620px; }

.final-cta-card {
  background: var(--ink-2);
  border: 1px solid var(--ink-3);
  border-radius: var(--r-lg);
  padding: 36px 32px;
}
@media (max-width: 540px) { .final-cta-card { padding: 30px 24px; } }
.final-cta-card .ix {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--signal);
  margin-bottom: 20px;
}
.final-cta-card .ix .live {
  width: 7px; height: 7px; border-radius: 50%; background: var(--signal);
  animation: pulseSignal 2.4s var(--t1) infinite;
}
.final-cta-card h3 {
  font-family: var(--font-sans); font-weight: 500;
  font-size: 22px; letter-spacing: -0.015em;
  color: var(--bone); margin: 0 0 12px;
}
.final-cta-card p {
  font-size: 14.5px; line-height: 1.55;
  color: rgba(244,239,230,0.78); margin: 0 0 24px;
}
.final-cta-card .btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

.secondary-contacts {
  display: flex; flex-wrap: wrap; gap: 18px;
  padding-top: 28px; margin-top: 28px;
  border-top: 1px solid var(--ink-3);
  font-family: var(--font-mono); font-size: 12.5px;
  align-items: center;
}
.secondary-contacts .sep {
  width: 1px; height: 14px; background: var(--ink-3);
}
.secondary-contacts a {
  color: rgba(244,239,230,0.85);
  border-bottom: 1px solid rgba(244,239,230,0.18);
  padding-bottom: 2px;
  transition: color 0.2s var(--t1), border-color 0.2s var(--t1);
}
.secondary-contacts a:hover { color: #fff; border-bottom-color: var(--bone); }
.secondary-contacts .lbl {
  color: var(--muted-dark-2);
  text-transform: uppercase; letter-spacing: 0.08em;
  font-size: 10.5px;
}

/* =========================================================
   19. FADE-UP + STICKY CTA + BTT
   ========================================================= */
.fade-up {
  opacity: 0; transform: translateY(16px);
  transition: opacity 0.7s var(--t1), transform 0.7s var(--t1);
  will-change: opacity, transform;
}
.fade-up.in { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { .fade-up { opacity: 1; transform: none; } }

.sticky-cta {
  position: fixed; bottom: 24px; right: 24px; z-index: 60;
  display: none; align-items: center; gap: 8px;
  padding: 12px 18px; background: var(--ink); color: #fff;
  border-radius: 999px;
  font-family: var(--font-sans); font-weight: 500; font-size: 14px;
  box-shadow: 0 16px 40px -12px rgba(10,10,11,0.5);
  transition: background 0.2s var(--t1), transform 0.2s var(--t1);
}
.sticky-cta.show { display: inline-flex; }
.sticky-cta:hover { background: var(--ink-2); transform: translateY(-1px); }
.sticky-cta .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--signal); animation: pulseSignal 2s var(--t1) infinite; }
@media (max-width: 540px) { .sticky-cta { right: 16px; bottom: 16px; padding: 11px 14px; font-size: 13px; } }

.btt {
  position: fixed; bottom: 24px; left: 24px; z-index: 60;
  display: none; width: 44px; height: 44px;
  align-items: center; justify-content: center;
  background: rgba(10,10,11,0.85); color: #fff;
  border-radius: 50%;
  font-family: var(--font-mono); font-size: 18px;
  backdrop-filter: blur(8px);
  transition: background 0.2s var(--t1);
}
.btt.show { display: inline-flex; }
.btt:hover { background: var(--ink); }
@media (max-width: 540px) { .btt { left: 16px; bottom: 16px; } }

/* =========================================================
   20. FOOTER
   ========================================================= */
.footer { background: var(--ink); color: var(--bone); padding: 80px 0 32px; position: relative; }
.footer-top {
  display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 48px; padding-bottom: 48px;
  border-bottom: 1px solid var(--ink-3);
}
@media (max-width: 980px) { .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; } .footer-brand { grid-column: 1 / -1; } }
@media (max-width: 540px) { .footer-top { grid-template-columns: 1fr; gap: 28px; } }
.footer-brand .brand-logo { height: 32px; filter: brightness(0) invert(1); opacity: 0.95; }
.footer-brand .desc {
  font-size: 14.5px; line-height: 1.6; color: var(--muted-dark);
  margin: 18px 0 24px; max-width: 460px;
}
.footer-brand .social-row { display: flex; gap: 10px; }
.footer-brand .social-row a {
  width: 36px; height: 36px; border: 1px solid var(--ink-3); border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--bone);
  transition: background 0.2s var(--t1), border-color 0.2s var(--t1);
}
.footer-brand .social-row a:hover { background: var(--ink-2); border-color: var(--bone); }
.footer-brand .social-row img { width: 16px; height: 16px; filter: invert(1) brightness(1.15); }
.footer-col h4 {
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--muted-dark-2); margin: 0 0 18px; font-weight: 500;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 11px; }
.footer-col li a {
  font-size: 14.5px; color: rgba(244,239,230,0.85);
  transition: color 0.2s var(--t1);
}
.footer-col li a:hover { color: #fff; }
.footer-bot {
  padding-top: 28px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
  font-family: var(--font-mono); font-size: 11.5px;
  color: var(--muted-dark-2); letter-spacing: 0.04em;
}
.footer-bot .legal { display: flex; gap: 18px; }
.footer-bot a:hover { color: var(--bone); }