/* Al Qudwa — control-room premium (not generic corporate) */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* overflow on html/body breaks ScrollTrigger pin (fixed containing block). */
html.lenis,
html.lenis body {
  height: auto;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--on-dark);
  background: var(--ground);
  -webkit-font-smoothing: antialiased;
}

img,
video,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--flow);
  outline-offset: 3px;
}

.wrap {
  width: min(var(--max), 100% - 2 * var(--gutter));
  margin-inline: auto;
}

/* ——— Noise overlay ——— */
body::after {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  opacity: 0.035;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' 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)'/%3E%3C/svg%3E");
}

/* ——— Preloader ——— */
.preload {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: var(--bg-deep);
  color: var(--on-dark);
  display: grid;
  place-items: center;
  transition: opacity var(--dur-ui) var(--ease-out-expo), visibility var(--dur-ui);
}

.preload.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preload__inner {
  text-align: center;
  width: min(280px, 70vw);
}

.preload__logo {
  width: 160px;
  height: auto;
  margin: 0 auto 1.25rem;
  filter: brightness(0) invert(1);
  opacity: 0.95;
}

.preload__bar {
  height: 2px;
  background: var(--on-dark-08);
  overflow: hidden;
}

.preload__bar > i {
  display: block;
  height: 100%;
  width: 0;
  background: var(--flow);
}

.preload__meta {
  margin-top: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted-on-dark);
}

/* ——— Header ——— always dark chrome so nav contrast never depends on section */
.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 80;
  mix-blend-mode: normal;
  background: var(--ground-86);
  backdrop-filter: blur(14px) saturate(1.15);
  border-bottom: 1px solid var(--hair);
  transition: background var(--dur-ui) var(--ease-ui), border-color var(--dur-ui), backdrop-filter var(--dur-ui);
}

.site-header.is-solid {
  background: var(--ground-92);
}

.site-header__inner {
  width: min(var(--max), 100% - 2 * var(--gutter));
  margin-inline: auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: var(--on-dark);
}

.brand img {
  height: 34px;
  width: auto;
  filter: brightness(0) invert(1);
}

.brand__meta {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1.25;
  opacity: 0.65;
  border-inline-start: 1px solid var(--on-dark-18);
  padding-inline-start: 0.85rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(0.9rem, 2vw, 1.6rem);
}

.nav a:not(.btn) {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--on-dark-78);
  position: relative;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0;
}

.nav a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  width: 100%;
  height: 1px;
  background: var(--flow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-ui) var(--ease-in-out-quart);
}

.nav a:not(.btn):hover {
  color: var(--on-dark);
}

.nav a:not(.btn):hover::after,
.nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.lang {
  display: flex;
  gap: 0.25rem;
}

.lang button {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  min-width: 44px;
  min-height: 44px;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--on-dark-18);
  color: var(--on-dark-55);
  border-radius: 2px;
}

.lang button[aria-pressed="true"] {
  color: var(--on-dark);
  border-color: var(--on-dark-45);
}

.lang button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.nav-toggle {
  display: none;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--on-dark);
  border: 1px solid var(--on-dark-25);
  padding: 0.5rem 0.7rem;
}

/* ——— Buttons ——— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 48px;
  padding: 0.8rem 1.35rem;
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 2px;
  border: 1px solid transparent;
  transition: transform var(--dur-hover) var(--ease-ui), background var(--dur-hover), color var(--dur-hover), border-color var(--dur-hover);
}

@media (min-width: 601px) {
  .btn[data-magnetic] {
    will-change: transform;
  }
}

.btn:active {
  transform: scale(0.97) !important;
}

.btn--solid {
  background: var(--on-dark);
  color: var(--bg-deep);
  border-color: var(--on-dark);
}

.btn--solid:hover {
  background: var(--flow);
  border-color: var(--flow);
  color: var(--on-dark);
}

.btn--line {
  background: transparent;
  color: var(--on-dark);
  border-color: var(--on-dark-40);
}

.btn--line:hover {
  border-color: var(--on-dark);
  background: var(--on-dark-06);
}

.btn--ink {
  background: var(--ink);
  color: var(--on-dark);
  border-color: var(--ink);
}

.btn--ink:hover {
  background: var(--flow);
  border-color: var(--flow);
}

.btn__arrow {
  font-family: var(--font-mono);
  transition: transform var(--dur-hover) var(--ease-ui);
}

.btn:hover .btn__arrow {
  transform: translateX(4px);
}

/* ——— HERO ——— */
.hero {
  position: relative;
  min-height: 100dvh;
  background: var(--bg-deep);
  color: var(--on-dark);
  overflow: clip;
  display: grid;
  align-items: end;
}

.hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.38;
  filter: saturate(0.75) contrast(1.08) brightness(0.85);
  transform: scale(1.04);
}

.hero__veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, var(--accent-12), transparent 55%),
    linear-gradient(180deg, var(--ground-35) 0%, var(--ground-20) 35%, var(--ground-92) 100%),
    linear-gradient(90deg, var(--ground-75) 0%, transparent 50%);
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--on-dark-03) 1px, transparent 1px),
    linear-gradient(90deg, var(--on-dark-03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, var(--ground) 20%, transparent 75%);
  pointer-events: none;
}

.hero__frame {
  position: absolute;
  inset: 18px;
  border: 1px solid var(--hair);
  pointer-events: none;
}

.hero__frame::before,
.hero__frame::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--on-dark-03);
}

.hero__frame::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.hero__frame::after {
  right: -1px;
  bottom: -1px;
  border-left: 0;
  border-top: 0;
}

.hero__content {
  position: relative;
  z-index: 2;
  width: min(var(--max), 100% - 2 * var(--gutter));
  margin: 0 auto;
  padding: 5.5rem 0 2.25rem;
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  gap: clamp(1rem, 3vw, 2.5rem);
  align-items: end;
}

.hero__rail {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.1rem;
  margin-bottom: 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-on-dark);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.pill i {
  width: 7px;
  height: 7px;
  border-radius: 1px;
  background: currentColor;
  box-shadow: 0 0 10px currentColor;
}

.pill--run {
  color: var(--run);
}
.pill--standby {
  color: var(--standby);
}
.pill--alarm {
  color: var(--alarm);
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--display);
  line-height: 0.88;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.hero h1 .line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.06em;
}

.hero h1 .line > span {
  display: block;
}

@media (min-width: 601px) {
  .hero h1 .line > span {
    will-change: transform;
  }
}

.hero h1 em {
  font-style: normal;
  color: transparent;
  -webkit-text-stroke: 1.25px var(--on-dark-88);
}

.hero__dek {
  max-width: 34rem;
  margin: 0 0 1.25rem;
  font-size: 1rem;
  color: var(--on-dark-72);
  text-wrap: pretty;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.hero__coords {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-on-dark);
  font-variant-numeric: tabular-nums;
}

/* Schematic panel */
.schematic {
  position: relative;
  background: color-mix(in srgb, var(--ground) 78%, transparent);
  border: 1px solid var(--accent-45);
  backdrop-filter: blur(12px) saturate(1.2);
  padding: 1rem 1rem 0.85rem;
  box-shadow:
    0 0 0 1px var(--accent-12),
    0 40px 100px var(--ground-72),
    0 0 60px var(--accent-08);
}

.schematic__chrome {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-on-dark);
}

.schematic__chrome strong {
  color: var(--on-dark);
  font-weight: 500;
}

.schematic svg {
  width: 100%;
  height: auto;
  max-height: min(340px, 42vh);
  color: var(--on-dark-12);
}

.sch-pipe {
  fill: none;
  stroke: var(--on-dark-28);
  stroke-width: 2;
  stroke-linecap: square;
}

.sch-pipe--flow {
  stroke: var(--flow);
  stroke-width: 2.25;
  stroke-dasharray: 5 9;
  filter: drop-shadow(0 0 4px var(--accent-55));
}

.sch-node {
  fill: var(--sch-fill);
  stroke: var(--on-dark-28);
  stroke-width: 1.25;
}

.sch-node--hi {
  stroke: var(--flow);
  fill: var(--sch-fill-hi);
}

.sch-title {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  fill: var(--on-dark);
  text-transform: uppercase;
}

.sch-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  fill: var(--on-dark-60);
}

.sch-dot {
  fill: var(--run);
  filter: drop-shadow(0 0 5px var(--run-80));
}

/* ——— CREDENTIALS STRIP (under hero) ——— */
.cred-strip {
  position: relative;
  z-index: 3;
  background: var(--ground);
  border-block: 1px solid var(--hair);
  color: var(--on-dark);
}

.cred-strip__inner {
  width: min(var(--max), 100% - 2 * var(--gutter));
  margin-inline: auto;
  padding: 0.85rem 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem 1.75rem;
}

.cred-strip__row {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-dark-72);
  line-height: 1.4;
}

.cred-strip__row--certs {
  color: var(--on-dark-55);
}

.cred-strip__row span:not(.cred-strip__dot) {
  white-space: nowrap;
}

.cred-strip__dot {
  opacity: 0.4;
  user-select: none;
}

@media (max-width: 720px) {
  .cred-strip__inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 0.95rem 0;
    gap: 0.5rem;
  }

  .cred-strip__row {
    font-size: 0.62rem;
    letter-spacing: 0.1em;
  }
}

/* ——— TRUST / LOGO WALL ——— */
.trust {
  position: relative;
  background: var(--bg-panel);
  color: var(--on-dark);
  padding: 3.5rem 0 2.75rem;
  overflow: clip;
  border-bottom: 1px solid var(--hair);
}

.trust::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 80% at 20% 50%, var(--accent-08), transparent 60%),
    linear-gradient(180deg, var(--on-dark-02), transparent);
  pointer-events: none;
}

.trust__top {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
  align-items: end;
}

.trust__top h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.trust__top p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-on-dark);
  max-width: 22rem;
  text-align: end;
}

.marquee {
  position: relative;
  mask-image: linear-gradient(90deg, transparent, var(--ground) 6%, var(--ground) 94%, transparent);
  overflow: hidden;
}

.marquee__track {
  display: flex;
  align-items: center;
  gap: 3.25rem;
  width: max-content;
  padding: 0.5rem 0 1rem;
  /* CSS-first marquee — does not depend on GSAP CDN */
  animation: aq-marquee 38s linear infinite;
  will-change: transform;
}

.marquee.is-locked .marquee__track {
  animation-duration: 120s; /* signature: almost freeze when in view */
}

.marquee:hover .marquee__track {
  animation-play-state: paused;
}

@keyframes aq-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .marquee__track {
    animation: none;
  }
}

.logo-cell {
  flex: 0 0 auto;
  height: 72px;
  min-width: 140px;
  display: grid;
  place-items: center;
  padding: 0.75rem 1.1rem;
  background: var(--on-dark-03);
  border: 1px solid var(--hair);
  transition: transform var(--dur-media) var(--ease-out-quint), border-color var(--dur-media), background var(--dur-media), box-shadow var(--dur-media);
}

.logo-cell img {
  max-height: 40px;
  width: auto;
  max-width: 130px;
  object-fit: contain;
  filter: grayscale(1) brightness(1.35) contrast(0.95);
  opacity: 0.78;
  transition: filter var(--dur-media) var(--ease-out-quint), opacity var(--dur-media);
}

.marquee.is-locked .logo-cell[data-key="dewa"],
.marquee.is-locked .logo-cell[data-key="emaar"],
.marquee.is-locked .logo-cell[data-key="tabreed"] {
  transform: translateY(-8px) scale(1.04);
  border-color: var(--accent-45);
  background: var(--accent-08);
  box-shadow: 0 12px 40px color-mix(in srgb, var(--ground) 35%, transparent);
}

.marquee.is-locked .logo-cell[data-key="dewa"] img,
.marquee.is-locked .logo-cell[data-key="emaar"] img,
.marquee.is-locked .logo-cell[data-key="tabreed"] img {
  filter: none;
  opacity: 1;
}

/* ——— Section shells ——— */
.section {
  position: relative;
  padding: clamp(4.5rem, 10vw, 7.5rem) 0;
}

.section--paper {
  background: var(--bg-panel);
  color: var(--on-dark);
}

.section--dark {
  background: var(--bg-deep);
  color: var(--on-dark);
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--flow-ink);
}

.section--dark .kicker,
.cta .kicker,
.page-hero .kicker,
.hero .kicker {
  color: var(--flow);
}

.kicker::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
}

.section__title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--h2);
  line-height: 0.92;
  letter-spacing: -0.01em;
  text-wrap: balance;
  max-width: 18ch;
  color: var(--on-dark);
}

.section__lead {
  margin: 0 0 2.5rem;
  max-width: 38rem;
  color: var(--muted-on-dark);
  font-size: 1.08rem;
  text-wrap: pretty;
}

.section--dark .section__lead {
  color: var(--muted-on-dark);
}

.section__head {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: end;
  margin-bottom: 2.5rem;
}

/* ——— SOLUTIONS: horizontal pin track ———
   Never put overflow:hidden/clip on ancestors of the pinned node —
   that is what made the SCADA→PLC track dead on desktop. */
.solutions {
  background: var(--ground);
  overflow: visible;
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.solutions__stage {
  position: relative;
  width: 100%;
  max-width: 100%;
  /* always horizontally scrollable — no GSAP required */
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
  overscroll-behavior-x: contain;
  cursor: grab;
  scrollbar-width: thin;
  scrollbar-color: var(--flow) var(--line-paper);
  padding-bottom: 0.5rem;
}

.solutions__stage:active,
.solutions__stage.is-dragging {
  cursor: grabbing;
}

.solutions__stage .sol {
  scroll-snap-align: start;
}

.solutions__nav {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  width: min(var(--max), 100% - 2 * var(--gutter));
  margin: 0.85rem auto 0;
}

.solutions__nav-btn {
  min-width: 44px;
  min-height: 44px;
  border: 1px solid var(--line-paper-strong);
  background: var(--surface);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 1rem;
  border-radius: 2px;
  cursor: pointer;
  transition: background var(--dur-hover) var(--ease-ui), border-color var(--dur-hover);
}

.solutions__nav-btn:hover {
  border-color: var(--flow);
  background: color-mix(in srgb, var(--flow) 10%, var(--surface));
}

.solutions__pin {
  display: flex;
  align-items: stretch;
  gap: 0;
  width: max-content;
  padding-inline: var(--gutter);
  padding-bottom: 0.25rem;
}

@media (min-width: 601px) {
  .solutions__stage.is-pinned .solutions__pin {
    will-change: transform;
  }
}

.sol {
  width: min(78vw, 380px);
  flex: 0 0 auto;
  min-height: 320px;
  margin-right: 1rem;
  padding: 1.75rem 1.5rem 1.5rem;
  background: var(--elev);
  border: 1px solid var(--hair);
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: 0 24px 60px var(--ground-35);
  transition: border-color var(--dur-hover) var(--ease-ui), transform var(--dur-media) var(--ease-out-quint);
}
@media (hover: hover) and (pointer: fine) {
  .sol:hover { border-color: var(--accent-45); transform: translateY(-4px); }
}

.sol:last-child {
  margin-right: var(--gutter);
}

.sol::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--flow);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform var(--dur-ui) var(--ease-out-expo);
}

.sol:hover::before,
.sol.is-focus::before {
  transform: scaleY(1);
}

.sol--scada {
  background: var(--bg-deep);
  color: var(--on-dark);
  border-color: var(--flow);
  box-shadow: 0 20px 60px var(--ground-20);
}

.sol__id {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mid);
  font-variant-numeric: tabular-nums;
  margin-bottom: 1.5rem;
}

.sol h3 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.2vw, 2.55rem);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  line-height: 0.98;
  color: var(--on-dark);
}

.sol p {
  margin: 0;
  color: var(--mid);
  flex: 1;
  font-size: 1rem;
}

.sol a {
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--flow-ink);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

/* after .sol p so dark-card text wins */
.sol--scada .sol__id,
.sol--scada p {
  color: var(--on-dark-72);
}

.sol--scada a {
  color: var(--accent-soft);
}

.hierarchy {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid);
  margin: 0 0 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  align-items: center;
}

.hierarchy b {
  color: var(--on-dark);
  font-weight: 500;
}

.hierarchy span {
  opacity: 0.45;
}

.hierarchy__hint {
  opacity: 0.55;
  font-size: 0.65rem;
}

/* ——— PIPELINE ——— */
.pipeline-wrap {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.pipeline-sticky {
  position: sticky;
  top: 6.5rem;
}

.pipeline-line {
  position: relative;
  padding-left: 1.5rem;
}

.pipeline-line::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--line);
}

.pipeline-line__fill {
  position: absolute;
  left: 5px;
  top: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, var(--flow), var(--run));
  box-shadow: 0 0 12px var(--accent-45);
  transform: scaleY(0);
  transform-origin: top center;
}

.pipe-item {
  position: relative;
  padding: 0 0 2rem 0.85rem;
}

.pipe-item::before {
  content: "";
  position: absolute;
  left: -1.5rem;
  top: 0.35rem;
  width: 12px;
  height: 12px;
  border-radius: 1px;
  background: var(--panel);
  border: 2px solid var(--line-bright);
  transform: translateX(0);
  z-index: 1;
  transition: border-color var(--dur-hover) var(--ease-ui), background var(--dur-hover), box-shadow var(--dur-hover);
}

.pipe-item.is-on::before {
  border-color: var(--run);
  background: var(--run);
  box-shadow: 0 0 0 4px var(--run-18);
}

.pipe-item__n {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-bottom: 0.35rem;
  font-variant-numeric: tabular-nums;
}

.pipe-item h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--on-dark);
}

.pipe-item p {
  margin: 0;
  color: var(--mid);
  font-size: 0.98rem;
  max-width: 34rem;
}

/* ——— ABOUT ——— */
.about {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: stretch;
}

.about__media {
  position: relative;
  min-height: 480px;
  overflow: clip;
  border: 1px solid var(--hair);
  box-shadow: 0 30px 80px var(--ground-35);
}

.about__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.04) saturate(0.9);
}

.about__media figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.85rem 1rem;
  background: linear-gradient(transparent, var(--ground-88));
  color: var(--on-dark);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.about__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0.5rem 0;
}

.stats {
  display: grid;
  grid-template-columns: 1.15fr 1fr 0.9fr;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
  margin-top: 2rem;
}

.stat {
  background: var(--elev);
  padding: 1.5rem 1.15rem;
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 4.5vw, 3.6rem);
  font-weight: 600;
  line-height: 0.92;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--on-dark);
}

.stat span {
  display: block;
  margin-top: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mid);
}

.confirm {
  display: inline-block;
  margin-top: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  color: var(--confirm-ink);
  background: var(--confirm-bg);
  padding: 0.2rem 0.45rem;
  border-radius: 2px;
}

/* ——— DIFF ——— */
.diff {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--hair);
}

.diff article {
  background: transparent;
  padding: 1.6rem 0;
  min-height: 0;
  border-bottom: 1px solid var(--hair);
  display: grid;
  grid-template-columns: minmax(10rem, 0.35fr) 1fr;
  gap: 1.25rem 2rem;
  align-items: baseline;
  transition: background var(--dur-hover) var(--ease-ui);
}

@media (hover: hover) and (pointer: fine) {
  .diff article:hover { background: var(--on-dark-03); }
}

.diff h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--on-dark);
}

.diff p {
  margin: 0;
  color: var(--mid);
  font-size: 1.02rem;
  max-width: 42rem;
}

/* ——— FILMSTRIP ——— */
.film {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 0.75rem;
}

.film figure {
  margin: 0;
  position: relative;
  overflow: clip;
  border: 1px solid var(--hair);
  min-height: 320px;
  box-shadow: 0 20px 50px var(--ground-35);
}

.film figure:first-child {
  min-height: 100%;
}

.film img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-media) var(--ease-out-quint);
}

.film figure:hover img {
  transform: scale(1.04);
}

.film figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 0.75rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--on-dark);
  background: linear-gradient(transparent, color-mix(in srgb, var(--ground) 75%, transparent));
  width: 100%;
}

/* ——— CHIPS ——— */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--hair);
  background: var(--elev);
  color: var(--on-dark-78);
  border-radius: 2px;
  transition: border-color var(--dur-hover) var(--ease-ui), color var(--dur-hover);
}
@media (hover: hover) and (pointer: fine) {
  .chip:hover { border-color: var(--accent-45); color: var(--on-dark); }
}

/* ——— CTA ——— */
.cta {
  position: relative;
  background: var(--bg-deep);
  color: var(--on-dark);
  padding: clamp(4.5rem, 10vw, 7rem) 0;
  overflow: clip;
}

.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 85% 50%, var(--accent-16), transparent 55%),
    linear-gradient(var(--on-dark-03) 1px, transparent 1px),
    linear-gradient(90deg, var(--on-dark-03) 1px, transparent 1px);
  background-size: auto, 48px 48px, 48px 48px;
  opacity: 0.9;
}

.cta .wrap {
  position: relative;
}

.cta h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.2rem);
  font-weight: 600;
  line-height: 0.9;
  letter-spacing: -0.015em;
  max-width: 12ch;
  text-wrap: balance;
}

.cta p {
  margin: 0 0 1.75rem;
  max-width: 34rem;
  color: var(--muted-on-dark);
}

/* ——— FOOTER ——— */
.site-footer {
  background: var(--ground);
  color: var(--on-dark-72);
  padding: 4rem 0 2rem;
  font-size: 0.95rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.site-footer h3 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-dark);
}

.site-footer a {
  color: var(--on-dark-72);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--on-dark);
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--hair);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-note {
  margin-top: 1rem;
  max-width: 40rem;
  font-size: 0.8rem;
  color: var(--on-dark-40);
}

/* ——— Inner pages ——— */
.page-hero {
  background: var(--bg-deep);
  color: var(--on-dark);
  padding: 9rem 0 4rem;
  position: relative;
  overflow: clip;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--on-dark-03) 1px, transparent 1px),
    linear-gradient(90deg, var(--on-dark-03) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.7;
}

.page-hero .wrap {
  position: relative;
}

.page-hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  font-weight: 600;
  line-height: 0.96;
  letter-spacing: 0.02em;
  max-width: 14ch;
}

.content-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  gap: 2.5rem;
  padding: 4rem 0;
}

.prose__img {
  width: 100%;
  border: 1px solid var(--line-paper);
  margin-bottom: 1.5rem;
}

.footer-logo {
  filter: brightness(0) invert(1);
  margin-bottom: 1.1rem;
}

.prose h2 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin: 2rem 0 0.75rem;
}

.prose p {
  color: var(--muted);
  max-width: 42rem;
}

.panel {
  border: 1px solid var(--hair);
  background: var(--elev);
  padding: 1.35rem;
  color: var(--on-dark);
}

.panel h3 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.panel dl {
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.panel dt {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.panel dd {
  margin: 0.2rem 0 0;
}

.form {
  display: grid;
  gap: 1rem;
  max-width: 36rem;
}

.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  border: 1px solid var(--hair);
  background: var(--panel);
  color: var(--on-dark);
  padding: 0.85rem 0.95rem;
  font: inherit;
  border-radius: 2px;
  min-height: 48px;
}

.field textarea {
  min-height: 150px;
  resize: vertical;
}

/* ——— Responsive ——— */
@media (max-width: 980px) {
  .hero {
    min-height: 100dvh;
    align-items: center;
  }

  .hero__content {
    grid-template-columns: 1fr;
    padding: 5.25rem 0 1.75rem;
  }

  .hero__content,
  .section__head,
  .pipeline-wrap,
  .about,
  .diff,
  .film,
  .footer-grid,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .pipeline-sticky {
    position: static;
  }

  .film figure:first-child {
    min-height: 320px;
  }

  .diff {
    grid-template-columns: 1fr 1fr;
  }

  .brand__meta {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--ground-96);
    backdrop-filter: blur(12px);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem var(--gutter) 1.25rem;
    gap: 0.85rem;
    border-bottom: 1px solid var(--hair);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--dur-ui) var(--ease-out-expo), opacity var(--dur-ui);
  }

  .nav.is-open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .trust__top p {
    text-align: start;
  }
}

@media (max-width: 560px) {
  .diff,
  .stats {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 100dvh;
  }

  .sol {
    width: 82vw;
    min-height: 240px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}


/* ——— craft: live instruments ——— */
.progress {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  block-size: 2px;
  z-index: 120;
  background: var(--flow);
  transform-origin: left center;
  transform: scaleX(0);
  pointer-events: none;
}
@supports (animation-timeline: scroll()) {
  @media (prefers-reduced-motion: no-preference) {
    .progress {
      animation: aq-progress linear both;
      animation-timeline: scroll(root block);
    }
    @keyframes aq-progress { to { transform: scaleX(1); } }
  }
}

.pill i {
  animation: aq-status-pulse 2.4s var(--ease-in-out-quart) infinite;
}
.pill--standby i { animation-delay: 0.4s; }
.pill--alarm i { animation-delay: 0.8s; animation-duration: 1.1s; }

@keyframes aq-status-pulse {
  0%, 100% { opacity: 0.45; transform: scale(0.92); }
  50% { opacity: 1; transform: scale(1); }
}

.sch-dot {
  animation: aq-status-pulse 1.8s var(--ease-in-out-quart) infinite;
}
.sch-pipe--flow {
  animation: aq-flow-dash 1.4s linear infinite;
}
@keyframes aq-flow-dash {
  to { stroke-dashoffset: -80; }
}

.cred-strip {
  background: linear-gradient(180deg, var(--panel), var(--ground));
  border-block: 1px solid var(--hair);
}
.cred-strip__row span:first-child {
  color: var(--on-dark);
}
.cred-strip__row--certs span:not(.cred-strip__dot) {
  color: var(--accent-soft);
}

.sol.is-focus {
  border-color: var(--accent-45);
  box-shadow: 0 0 0 1px var(--accent-16), 0 28px 70px var(--ground-35);
}

.solutions__nav-btn {
  background: var(--elev);
  color: var(--on-dark);
  border-color: var(--hair);
}

/* kickers always flow on dark */
.kicker { color: var(--flow); }
.section--paper .kicker,
.solutions .kicker { color: var(--flow); }

.prose p { color: var(--mid); }
.prose h2 { color: var(--on-dark); }

@media (max-width: 980px) {
  .diff article {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
  .schematic {
    display: block !important;
    margin-top: 1.25rem;
  }
  .schematic svg { max-height: 220px; }
}

@media (prefers-reduced-motion: reduce) {
  .pill i, .sch-dot, .sch-pipe--flow { animation: none !important; }
  .progress { display: none; }
}


/* craft mobile hero fit */
@media (max-width: 980px) {
  :root {
    --display: clamp(2.4rem, 11vw, 3.6rem);
    --h2: clamp(1.85rem, 6vw, 2.6rem);
  }
  .hero {
    min-height: 100dvh;
    min-height: 100svh;
  }
  .hero__content {
    padding: 5rem 0 1.25rem;
    gap: 1rem;
  }
  .hero__dek { font-size: 0.95rem; margin-bottom: 1rem; }
  .hero__actions { margin-bottom: 0.85rem; }
  .schematic {
    display: none !important; /* keep fold clean on short phones */
  }
  .hero__coords { font-size: 0.58rem; gap: 0.75rem; }
}

:focus-visible {
  outline: 2px solid var(--flow) !important;
  outline-offset: 3px;
}