/* DC-ON brand tokens — from dc-on-brand.md */
:root {
  /* Surfaces */
  --dc-void: #06080B;
  --dc-ink: #0B0F14;
  --dc-slate: #141A22;
  --dc-steel: #1C2430;
  --dc-panel: #263142;
  --dc-plate: #2E3032;

  /* Text */
  --dc-fog: #9AA6B5;
  --dc-mist: #D2D8E2;
  --dc-white: #F3F5F7;

  /* ON — primary accent */
  --dc-on: #00A8F0;
  --dc-on-bright: #4DC4F7;
  --dc-on-dim: #0077B0;
  --dc-on-glow: color-mix(in srgb, var(--dc-on) 40%, transparent);

  /* Signal */
  --dc-amber: #F5B942;
  --dc-alert: #FF4D55;

  /* Borders */
  --dc-line: color-mix(in srgb, var(--dc-mist) 12%, transparent);

  /* Layout */
  --dc-max: 1120px;
  --dc-gutter: clamp(1.25rem, 4vw, 2.5rem);
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Manrope", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--dc-mist);
  background: var(--dc-ink);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--dc-on);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--dc-on-bright);
}

h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--dc-white);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 0.75rem;
}

p {
  margin: 0 0 1rem;
}

p:last-child {
  margin-bottom: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ——— Chrome ——— */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  background: color-mix(in srgb, var(--dc-void) 78%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--dc-line);
}

.nav-inner {
  max-width: var(--dc-max);
  margin: 0 auto;
  padding: 0.75rem var(--dc-gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav-logo img {
  height: 36px;
  width: auto;
  border-radius: 4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--dc-fog);
  font-size: 0.9375rem;
  font-weight: 500;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--dc-white);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.15rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--dc-ink) !important;
  background: var(--dc-on);
  border: none;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.nav-cta:hover {
  background: var(--dc-on-bright);
  color: var(--dc-ink) !important;
  box-shadow: 0 0 24px var(--dc-on-glow);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--dc-line);
  color: var(--dc-mist);
  padding: 0.4rem 0.65rem;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  cursor: pointer;
  border-radius: 2px;
}

.nav-panel {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

@media (max-width: 768px) {
  .nav-logo img {
    height: 28px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-panel {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem var(--dc-gutter) 1.25rem;
    background: var(--dc-slate);
    border-bottom: 1px solid var(--dc-line);
  }

  .nav-panel.is-open {
    display: flex;
  }

  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
  }

  .nav-cta {
    width: 100%;
  }
}

/* ——— Buttons ——— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 2px;
  border: none;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
  color: var(--dc-ink);
  background: var(--dc-on);
}

.btn-primary:hover {
  background: var(--dc-on-bright);
  color: var(--dc-ink);
  box-shadow: 0 0 28px var(--dc-on-glow);
}

.btn-text {
  color: var(--dc-fog);
  background: transparent;
  padding: 0.85rem 0.25rem;
  font-weight: 500;
}

.btn-text:hover {
  color: var(--dc-white);
}

.btn-text::after {
  content: " →";
  color: var(--dc-on);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
}

/* ——— Sections ——— */
.section {
  padding: clamp(4rem, 10vw, 6.5rem) var(--dc-gutter);
}

.section-inner {
  max-width: var(--dc-max);
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dc-on);
  margin-bottom: 0.85rem;
}

.section h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  max-width: 18ch;
}

.section-lede {
  font-size: 1.0625rem;
  color: var(--dc-fog);
  max-width: 42ch;
  margin-top: 0.5rem;
}

/* Reveal motion */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.28s ease-out, transform 0.28s ease-out;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ——— Hero ——— */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: stretch;
  padding: 0;
  overflow: hidden;
}

.hero-stage {
  position: relative;
  z-index: 1;
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: stretch;
  width: 100%;
  max-width: none;
  min-height: 100vh;
  min-height: 100dvh;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    /* facility hall suggestion — vertical rack rhythm */
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 48px,
      color-mix(in srgb, var(--dc-on) 4%, transparent) 48px,
      color-mix(in srgb, var(--dc-on) 4%, transparent) 49px,
      transparent 49px,
      transparent 96px
    ),
    /* horizon steel */
    linear-gradient(
      165deg,
      var(--dc-void) 0%,
      #0e1520 32%,
      var(--dc-steel) 58%,
      var(--dc-ink) 100%
    );
}

.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      to top,
      var(--dc-ink) 0%,
      color-mix(in srgb, var(--dc-ink) 70%, transparent) 28%,
      color-mix(in srgb, var(--dc-ink) 25%, transparent) 62%,
      transparent 100%
    );
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
  pointer-events: none;
}

/* Light from the ON — rays + bloom (decorative) */
.hero-light {
  position: absolute;
  z-index: 0;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.light-core {
  position: absolute;
  left: clamp(6%, 12vw, 22%);
  top: clamp(18%, 28vh, 40%);
  width: min(180px, 32vw);
  height: min(180px, 32vw);
  border-radius: 50%;
  background: radial-gradient(
    circle,
    color-mix(in srgb, var(--dc-on-bright) 70%, white) 0%,
    var(--dc-on) 22%,
    color-mix(in srgb, var(--dc-on) 35%, transparent) 48%,
    transparent 72%
  );
  filter: blur(2px);
  animation: core-settle 2.4s ease-out 0.15s both, core-breathe 7s ease-in-out 2.8s infinite;
}

.light-bloom {
  position: absolute;
  left: -10%;
  top: -5%;
  width: 85%;
  height: 75%;
  background:
    radial-gradient(
      ellipse 45% 40% at 32% 38%,
      color-mix(in srgb, var(--dc-on) 38%, transparent) 0%,
      color-mix(in srgb, var(--dc-on) 14%, transparent) 35%,
      transparent 68%
    ),
    radial-gradient(
      ellipse 30% 25% at 55% 30%,
      color-mix(in srgb, var(--dc-on-bright) 18%, transparent),
      transparent 70%
    );
  animation: bloom-in 2.6s ease-out 0.1s both;
}

.light-rays {
  position: absolute;
  left: clamp(-5%, 2vw, 8%);
  top: clamp(-8%, 0vh, 6%);
  width: min(920px, 110vw);
  height: min(920px, 110vw);
  opacity: 0;
  animation: rays-in 2.8s ease-out 0.35s forwards, rays-shimmer 8s ease-in-out 3.2s infinite;
}

@keyframes core-settle {
  from {
    opacity: 0;
    transform: scale(0.45);
  }
  55% {
    opacity: 1;
    transform: scale(1.08);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes core-breathe {
  0%, 100% {
    opacity: 0.85;
    filter: blur(2px) brightness(1);
  }
  50% {
    opacity: 1;
    filter: blur(4px) brightness(1.2);
  }
}

@keyframes bloom-in {
  from {
    opacity: 0;
  }
  40% {
    opacity: 1;
  }
  to {
    opacity: 1;
  }
}

@keyframes rays-in {
  from {
    opacity: 0;
    transform: scale(0.88);
  }
  40% {
    opacity: 1;
    transform: scale(1.02);
  }
  to {
    opacity: 0.9;
    transform: scale(1);
  }
}

@keyframes rays-shimmer {
  0%, 100% {
    opacity: 0.78;
  }
  50% {
    opacity: 1;
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  width: 100%;
  max-width: 36rem;
  margin: 0;
  padding: 7rem var(--dc-gutter) clamp(3rem, 7vw, 4.75rem);
  justify-self: end;
}

.hero-visual {
  position: relative;
  z-index: 1;
  min-height: 100%;
  overflow: hidden;
  background: var(--dc-void);
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  filter: saturate(0.9) contrast(1.05);
}

.hero-visual-wash {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(
      90deg,
      var(--dc-ink) 0%,
      color-mix(in srgb, var(--dc-ink) 55%, transparent) 18%,
      transparent 42%
    ),
    linear-gradient(
      to top,
      color-mix(in srgb, var(--dc-ink) 55%, transparent) 0%,
      transparent 35%
    ),
    radial-gradient(
      ellipse 40% 35% at 70% 40%,
      color-mix(in srgb, var(--dc-on) 12%, transparent),
      transparent 70%
    );
}

@media (max-width: 900px) {
  .hero-stage {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(42vh, 52vh);
  }

  .hero-content {
    max-width: var(--dc-max);
    margin: 0 auto;
    justify-self: stretch;
    order: 1;
    padding-bottom: 2rem;
  }

  .hero-visual {
    order: 0;
    min-height: 42vh;
    /* Full-bleed under nav on mobile — sits above copy */
  }

  .hero-visual-wash {
    background:
      linear-gradient(
        to bottom,
        color-mix(in srgb, var(--dc-ink) 40%, transparent) 0%,
        transparent 30%
      ),
      linear-gradient(
        to top,
        var(--dc-ink) 0%,
        color-mix(in srgb, var(--dc-ink) 40%, transparent) 45%,
        transparent 70%
      );
  }
}

.hero-brand {
  margin-bottom: 0.85rem;
  position: relative;
}

.hero-brand::before {
  /* cyan wash behind lockup — light “from the O” */
  content: "";
  position: absolute;
  left: 15%;
  top: 18%;
  width: 42%;
  height: 55%;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    color-mix(in srgb, var(--dc-on) 55%, transparent) 0%,
    transparent 70%
  );
  filter: blur(18px);
  z-index: -1;
  animation: on-pulse 4.5s ease-out 0.25s 1 both, core-breathe 7s ease-in-out 4.8s infinite;
  pointer-events: none;
}

.hero-brand img {
  width: min(280px, 72vw);
  height: auto;
  border-radius: 6px;
  position: relative;
  /* ON pulse — longer hold, settles to sustained glow */
  animation: on-pulse 4.5s ease-out 0.25s 1 both;
  box-shadow: 0 0 72px color-mix(in srgb, var(--dc-on) 32%, transparent);
}

@keyframes on-pulse {
  0% {
    box-shadow: 0 0 0 0 transparent;
    filter: brightness(1);
  }
  18% {
    box-shadow: 0 0 80px 12px var(--dc-on-glow);
    filter: brightness(1.18);
  }
  55% {
    /* hold the bright ON light longer */
    box-shadow: 0 0 90px 14px color-mix(in srgb, var(--dc-on) 50%, transparent);
    filter: brightness(1.14);
  }
  100% {
    box-shadow: 0 0 72px color-mix(in srgb, var(--dc-on) 32%, transparent);
    filter: brightness(1.04);
  }
}

/* Light writes the tagline after the ON glow peaks */
.hero-write {
  display: inline-flex;
  align-items: center;
  gap: 0;
  min-height: 1.6em;
  margin: 0 0 1.35rem;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--dc-on-bright);
  text-shadow: 0 0 24px var(--dc-on-glow);
}

.hero-write-text {
  display: inline-block;
  max-width: 0;
  overflow: hidden;
  white-space: nowrap;
  vertical-align: bottom;
  /* ~22 characters in "Empowering Innovation" */
  animation: write-tagline 3.2s steps(22, end) 2.1s forwards;
}

.hero-write-caret {
  display: inline-block;
  width: 2px;
  height: 1.15em;
  margin-left: 2px;
  background: var(--dc-on);
  box-shadow: 0 0 10px var(--dc-on-glow);
  opacity: 0;
  animation:
    caret-show 0.01s linear 2.05s forwards,
    caret-blink 0.85s step-end 2.1s 8,
    caret-fade 0.6s ease 9s forwards;
}

@keyframes write-tagline {
  from {
    max-width: 0;
  }
  to {
    max-width: 22ch;
  }
}

@keyframes caret-show {
  to {
    opacity: 1;
  }
}

@keyframes caret-blink {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

@keyframes caret-fade {
  to {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-write-text {
    animation: none;
    max-width: 22ch;
  }

  .hero-write-caret {
    display: none;
  }

  .light-core,
  .light-bloom,
  .light-rays,
  .hero-brand img,
  .hero-brand::before {
    animation: none !important;
    opacity: 1;
  }
}

.hero-promise {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  font-weight: 500;
  color: var(--dc-white);
  letter-spacing: -0.015em;
  max-width: 28ch;
  margin: 0 0 1.75rem;
  line-height: 1.35;
}

.hero-pillars {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 0.85rem;
  margin: 2rem 0 0;
  padding-top: 1.35rem;
  border-top: 1px solid var(--dc-line);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dc-fog);
  max-width: 36rem;
}

.hero-pillars .sep {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--dc-on);
  box-shadow: 0 0 8px var(--dc-on-glow);
  flex-shrink: 0;
}

.hero-pillars span:not(.sep) {
  color: var(--dc-mist);
}

.hero h1 {
  font-size: clamp(2.75rem, 8vw, 4.75rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  margin-bottom: 1rem;
  max-width: 12ch;
}

.hero h1 .on {
  color: var(--dc-on);
  position: relative;
}

.hero h1 .on::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.08em;
  height: 2px;
  background: var(--dc-on);
  opacity: 0;
  animation: hairline-in 0.6s ease-out 0.9s 1 forwards;
}

@keyframes hairline-in {
  to {
    opacity: 0.85;
  }
}

.hero-sub {
  font-size: clamp(1.0625rem, 2.2vw, 1.25rem);
  color: var(--dc-fog);
  max-width: 36ch;
  margin-bottom: 0.85rem;
  line-height: 1.5;
}

/* ——— Services ——— */
.services {
  background: var(--dc-void);
  border-top: 1px solid var(--dc-line);
}

.service-lanes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 3rem;
  border-top: 1px solid var(--dc-line);
}

.service-lane {
  padding: 2rem 1.75rem 2rem 0;
  border-right: 1px solid var(--dc-line);
}

.service-lane:last-child {
  border-right: none;
  padding-right: 0;
}

.service-lane:first-child {
  padding-left: 0;
}

.service-lane h3 {
  font-size: 1.25rem;
  margin-bottom: 0.65rem;
}

.service-lane p {
  color: var(--dc-fog);
  font-size: 0.9875rem;
  margin-bottom: 1.25rem;
  max-width: 28ch;
}

.service-lane a {
  font-size: 0.875rem;
  font-weight: 560;
}

.services-secondary {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--dc-line);
  font-size: 0.9375rem;
  color: var(--dc-fog);
}

.services-secondary a {
  font-weight: 560;
}

@media (max-width: 768px) {
  .service-lanes {
    grid-template-columns: 1fr;
  }

  .service-lane {
    border-right: none;
    border-bottom: 1px solid var(--dc-line);
    padding: 1.75rem 0;
  }

  .service-lane:last-child {
    border-bottom: none;
  }
}

/* ——— Process strip (Place → Power → Connect → Operate) ——— */
.process {
  background: var(--dc-ink);
  border-top: 1px solid var(--dc-line);
  padding: clamp(3rem, 7vw, 4.5rem) var(--dc-gutter);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 2.5rem;
  list-style: none;
  padding: 0;
  margin-left: 0;
  margin-right: 0;
  margin-bottom: 0;
}

.process-step {
  padding: 0 1.5rem 0 0;
  position: relative;
}

.process-step:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: 0.35rem;
  top: 0.15rem;
  color: var(--dc-on);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  opacity: 0.7;
}

.process-step .step-num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dc-on);
  margin-bottom: 0.45rem;
  display: block;
}

.process-step h3 {
  font-size: 1.25rem;
  margin-bottom: 0.4rem;
}

.process-step p {
  font-size: 0.875rem;
  color: var(--dc-fog);
  max-width: 22ch;
  margin: 0;
}

.process-foot {
  margin-top: 2rem;
}

@media (max-width: 768px) {
  .process-steps {
    grid-template-columns: 1fr 1fr;
    gap: 1.75rem 1.25rem;
  }

  .process-step:not(:last-child)::after {
    display: none;
  }

  .process-step {
    padding-right: 0;
  }
}

@media (max-width: 480px) {
  .process-steps {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-video {
    display: none;
  }

  .hero-visual {
    background:
      radial-gradient(
        ellipse 60% 50% at 60% 40%,
        color-mix(in srgb, var(--dc-on) 18%, transparent),
        transparent 60%
      ),
      var(--dc-slate);
  }
}

/* ——— Ops proof ——— */
.ops-proof {
  background:
    linear-gradient(
      180deg,
      var(--dc-ink) 0%,
      var(--dc-slate) 100%
    );
  border-top: 1px solid var(--dc-line);
}

.ops-status {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--dc-fog);
  margin-bottom: 1.5rem;
  padding: 0.4rem 0.75rem 0.4rem 0.55rem;
  border: 1px solid var(--dc-line);
  border-radius: 2px;
  background: color-mix(in srgb, var(--dc-steel) 60%, transparent);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--dc-on);
  box-shadow: 0 0 8px var(--dc-on-glow);
  animation: status-breathe 2.8s ease-in-out infinite;
}

@keyframes status-breathe {
  0%, 100% {
    opacity: 1;
    box-shadow: 0 0 6px var(--dc-on-glow);
  }
  50% {
    opacity: 0.55;
    box-shadow: 0 0 14px var(--dc-on-glow);
  }
}

.ops-proof h2 {
  max-width: 16ch;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.proof-item {
  padding-top: 1.25rem;
  border-top: 1px solid var(--dc-line);
}

.proof-item .mono-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--dc-on);
  margin-bottom: 0.5rem;
}

.proof-item h3 {
  font-size: 1.125rem;
  margin-bottom: 0.4rem;
}

.proof-item p {
  font-size: 0.9375rem;
  color: var(--dc-fog);
  margin: 0;
}

.case-vignette {
  margin-top: 3rem;
  padding: 1.5rem 0 0;
  border-top: 1px solid var(--dc-line);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem 2rem;
  align-items: start;
}

.case-vignette .case-figure {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 500;
  color: var(--dc-on);
  letter-spacing: -0.02em;
  line-height: 1.1;
  white-space: nowrap;
}

.case-vignette .case-figure span {
  display: block;
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dc-fog);
  margin-top: 0.35rem;
  font-weight: 400;
}

.case-vignette h3 {
  font-size: 1.125rem;
  margin-bottom: 0.4rem;
}

.case-vignette p {
  font-size: 0.9375rem;
  color: var(--dc-fog);
  max-width: 48ch;
  margin: 0;
}

.case-vignette .placeholder-note {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--dc-fog);
  margin-top: 0.65rem;
  opacity: 0.8;
}

@media (max-width: 768px) {
  .proof-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .case-vignette {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

/* ——— Operate ——— */
.operate {
  background: var(--dc-ink);
  border-top: 1px solid var(--dc-line);
}

.operate .section-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: end;
}

.operate h2 {
  max-width: 14ch;
}

@media (max-width: 768px) {
  .operate .section-inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* ——— Contact close ——— */
.contact-close {
  background: var(--dc-steel);
  border-top: 1px solid var(--dc-line);
  position: relative;
  overflow: hidden;
}

.contact-close::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 60% 80% at 90% 50%,
    color-mix(in srgb, var(--dc-on) 12%, transparent),
    transparent 60%
  );
  pointer-events: none;
}

.contact-close .section-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
}

.contact-close h2 {
  max-width: 14ch;
}

.contact-meta {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  font-size: 0.9875rem;
}

.contact-meta a {
  color: var(--dc-mist);
  font-weight: 500;
}

.contact-meta a:hover {
  color: var(--dc-on);
}

.contact-meta .label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dc-fog);
  display: block;
  margin-bottom: 0.2rem;
}

@media (max-width: 768px) {
  .contact-close .section-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* ——— Page hero (stubs) ——— */
.page-hero {
  padding: 8rem var(--dc-gutter) 3.5rem;
  background:
    linear-gradient(
      160deg,
      var(--dc-void),
      var(--dc-slate) 50%,
      var(--dc-ink)
    );
  border-bottom: 1px solid var(--dc-line);
}

.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 0.75rem;
}

.page-hero p {
  color: var(--dc-fog);
  max-width: 42ch;
  margin: 0;
}

.page-body {
  padding: clamp(3rem, 6vw, 4.5rem) var(--dc-gutter);
}

.page-body .section-inner > * + * {
  margin-top: 2rem;
}

.stub-block h2 {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}

.stub-block p {
  color: var(--dc-fog);
  max-width: 52ch;
}

.stub-block + .stub-block {
  padding-top: 2rem;
  border-top: 1px solid var(--dc-line);
}

.stub-block ul {
  margin: 1rem 0 0;
  padding: 0 0 0 1.1rem;
  color: var(--dc-fog);
  max-width: 48ch;
  font-size: 0.9375rem;
}

.stub-block li + li {
  margin-top: 0.4rem;
}

.stub-block.secondary {
  margin-top: 2.5rem;
  padding: 2rem 0 0;
  border-top: 1px solid var(--dc-line);
}

.stub-block .mono-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dc-on);
  margin-bottom: 0.5rem;
  display: block;
}

/* ——— Ops triad (Humans · Process · Plant) ——— */
.ops-triad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 0.5rem;
  list-style: none;
  padding: 0;
}

.ops-triad-item {
  padding: 1.75rem 1.75rem 1.75rem 0;
  border-top: 1px solid var(--dc-line);
  border-right: 1px solid var(--dc-line);
}

.ops-triad-item:last-child {
  border-right: none;
  padding-right: 0;
}

.ops-triad-item .mono-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dc-on);
  margin-bottom: 0.55rem;
  display: block;
}

.ops-triad-item h2 {
  font-size: 1.35rem;
  margin-bottom: 0.55rem;
}

.ops-triad-item p {
  color: var(--dc-fog);
  font-size: 0.9375rem;
  max-width: 28ch;
  margin: 0;
}

@media (max-width: 768px) {
  .ops-triad {
    grid-template-columns: 1fr;
  }

  .ops-triad-item {
    border-right: none;
    padding: 1.75rem 0;
  }
}

.contact-form {
  display: grid;
  gap: 1.25rem;
  max-width: 420px;
  margin-top: 1.5rem;
}

.contact-form label {
  display: grid;
  gap: 0.4rem;
  font-size: 0.875rem;
  color: var(--dc-fog);
}

.contact-form input,
.contact-form textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.7rem 0.85rem;
  color: var(--dc-white);
  background: var(--dc-slate);
  border: 1px solid var(--dc-line);
  border-radius: 2px;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--dc-on);
}

.contact-form textarea {
  min-height: 120px;
  resize: vertical;
}

/* ——— Footer ——— */
.site-footer {
  background: var(--dc-void);
  border-top: 1px solid var(--dc-line);
  padding: 2.5rem var(--dc-gutter) 2rem;
}

.footer-inner {
  max-width: var(--dc-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.3fr 1fr 1.1fr;
  gap: 2rem;
  align-items: start;
}

.footer-brand img {
  height: 56px;
  width: auto;
  border-radius: 4px;
  margin-bottom: 0.85rem;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--dc-fog);
  max-width: 28ch;
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links a {
  color: var(--dc-fog);
  font-size: 0.875rem;
}

.footer-links a:hover {
  color: var(--dc-white);
}

.footer-contact .label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dc-fog);
  display: block;
  margin-bottom: 0.65rem;
}

.footer-contact a {
  display: block;
  color: var(--dc-mist);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
}

.footer-contact a:hover {
  color: var(--dc-on);
}

.footer-bottom {
  max-width: var(--dc-max);
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--dc-line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.75rem;
  color: var(--dc-fog);
  font-family: var(--font-mono);
}

@media (max-width: 768px) {
  .footer-inner {
    grid-template-columns: 1fr;
  }
}